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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.205 by root, Mon Feb 5 18:29:20 2007 UTC vs.
Revision 1.393 by root, Fri Oct 26 04:47:00 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.5 ();	15	use Coro 4.1 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
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 ();
		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
		37	# configure various modules to our taste
		38	#
		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
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
53	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
54		83
		84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
		88	our $DB_ENV;
		89
55	our %CFG;	90	our %CFG;
56		91
57	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	93	our $RUNTIME;
59		94
60	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
61	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";
64
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67		98
68	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
71	binmode STDOUT;	106	binmode STDOUT;
72	binmode STDERR;	107	binmode STDERR;
73		108
74	# read virtual server time, if available	109	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
76	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
77	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
78	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
79	}	114	}
80		115
81	mkdir cf::localdir;	116	mkdir $_
82	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
83	mkdir cf::localdir . "/" . cf::tmpdir;
84	mkdir cf::localdir . "/" . cf::uniquedir;
85	mkdir $RANDOM_MAPS;
86		118
87	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
88		120
89	sub cf::map::normalise;	121	sub cf::map::normalise;
90		122
…		…
101	=item $cf::RUNTIME	133	=item $cf::RUNTIME
102		134
103	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
104	every server tick.	136	every server tick.
105		137
106	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
107		141
108	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
109	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
110		146
111	=item $cf::NOW	147	=item $cf::NOW
112		148
113	The time of the last (current) server tick.	149	The time of the last (current) server tick.
114		150
115	=item $cf::TICK	151	=item $cf::TICK
116		152
117	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
118		164
119	=item %cf::CFG	165	=item %cf::CFG
120		166
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
122	from wherever your confdir points to.	168	from wherever your confdir points to.
123		169
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		171
126	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
127	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
128	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
129	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
130		181
131	=back	182	=back
132		183
133	=cut	184	=cut
134		185
135	BEGIN {	186	BEGIN {
136	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
137	my $msg = join "", @_;	188	my $msg = join "", @_;
138	utf8::encode $msg;
139		189
140	$msg .= "\n"	190	$msg .= "\n"
141	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
142		194
143	LOG llevError, $msg;	195	LOG llevError, $msg;
144	};	196	};
145	}	197	}
146		198
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
152	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
153		206
154	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
155	# within the Safe compartment.	208	# within the Safe compartment.
156	for my $pkg (qw(	209	for my $pkg (qw(
157	cf::global cf::attachable	210	cf::global cf::attachable
…		…
165	}	218	}
166		219
167	$Event::DIED = sub {	220	$Event::DIED = sub {
168	warn "error in event callback: @_";	221	warn "error in event callback: @_";
169	};	222	};
		223
		224	#############################################################################
170		225
171	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
172		227
173	=over 4	228	=over 4
174		229
…		…
193	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
194	$d	249	$d
195	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
196	}	251	}
197		252
198	use JSON::Syck (); # TODO# replace by JSON::PC once working
199
200	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
201		254
202	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
203		256
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
212		258
213	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
214		260
215	=cut	261	=cut
216		262
217	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
219	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
220	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
221		267
222	=item cf::lock_wait $string	268	=item cf::lock_wait $string
223		269
224	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
225		271
…		…
228	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
229	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
230	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
231	returned.	277	returned.
232		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
233	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
234	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
235		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
236	=cut	289	=cut
237		290
238	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
239		293
240	sub lock_wait($) {	294	sub lock_wait($) {
241	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
242		301
243	# wait for lock, if any	302	# wait for lock, if any
244	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
245	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
246	Coro::schedule;	305	Coro::schedule;
…		…
252		311
253	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
254	lock_wait $key;	313	lock_wait $key;
255		314
256	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
257		317
258	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
259	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
261	}	322	}
262	}	323	}
263		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
264	sub freeze_mainloop {	331	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
266		333
267	my $guard = Coro::guard {	334	my $guard = Coro::guard {
268	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
269	$WRITE_RUNTIME_WATCHER->start;
270	};	336	};
271	$WRITE_RUNTIME_WATCHER->stop;
272	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
273	$guard	338	$guard
		339	}
		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
274	}	397	}
275		398
276	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
277		400
278	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
283		406
284	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
285		408
286	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
287		410
288	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
289	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
290	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
291		415
292	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
293	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
294	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
295	fast or be very important.	419	fast or be very important.
…		…
298		422
299	sub sync_job(&) {	423	sub sync_job(&) {
300	my ($job) = @_;	424	my ($job) = @_;
301		425
302	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
303	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
305		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
306	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
307	# (but this is cancel-safe)	435	# (but this is cancel-safe)
308	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
309		437
310	my $busy = 1;	438	my $busy = 1;
311	my @res;	439	my @res;
312		440
313	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
314	@res = eval { $job->() };	443	@res = eval { $job->() };
315	warn $@ if $@;	444	warn $@ if $@;
316	undef $busy;	445	undef $busy;
317	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
318		447
319	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
320	Coro::cede or Event::one_event;	452	Event::one_event;
321	}	453	}
		454	}
		455
		456	$time = Event::time - $time;
		457
		458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		460
		461	$tick_start += $time; # do not account sync jobs to server load
322		462
323	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
324	} else {	464	} else {
325	# we are in another coroutine, how wonderful, everything just works	465	# we are in another coroutine, how wonderful, everything just works
326		466
…		…
346	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
347		487
348	$coro	488	$coro
349	}	489	}
350		490
351	sub write_runtime {	491	=item fork_call { }, $args
352	my $runtime = cf::localdir . "/runtime";
353		492
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	493	Executes the given code block with the given arguments in a seperate
355	or return;	494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
356		497
357	my $value = $cf::RUNTIME + 90 + 10;	498	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		499
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	500	sub fork_call(&@) {
362	and return;	501	my ($cb, @args) = @_;
363		502
364	# always fsync - this file is important	503	# we seemingly have to make a local copy of the whole thing,
365	aio_fsync $fh	504	# otherwise perl prematurely frees the stuff :/
366	and return;	505	# TODO: investigate and fix (likely this will be rather laborious)
367		506
368	close $fh	507	my @res = Coro::Util::fork_eval {
369	or return;	508	reset_signals;
		509	&$cb
		510	}, @args;
370		511
371	aio_rename "$runtime~", $runtime	512	wantarray ? @res : $res[-1]
372	and return;	513	}
373		514
		515	=item $value = cf::db_get $family => $key
		516
		517	Returns a single value from the environment database.
		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
374	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
		640	}
		641
		642	=item cf::datalog type => key => value, ...
		643
		644	Log a datalog packet of the given type with the given key-value pairs.
		645
		646	=cut
		647
		648	sub datalog($@) {
		649	my ($type, %kv) = @_;
		650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
375	}	651	}
376		652
377	=back	653	=back
378		654
379	=cut	655	=cut
…		…
386	attach callbacks/event handlers (a collection of which is called an "attachment")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
387	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
388		664
389	In the following description, CLASS can be any of C<global>, C<object>	665	In the following description, CLASS can be any of C<global>, C<object>
390	C<player>, C<client> or C<map> (i.e. the attachable objects in	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
391	crossfire+).	667	Crossfire TRT).
392		668
393	=over 4	669	=over 4
394		670
395	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
396		672
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
560		836
561	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		841
566	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	843	my $pkg = shift @arg;
568		844
569	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
598	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
599	}	875	}
600		876
601	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
602	} else {	878	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
604	}	880	}
605		881
606	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
607	}	883	}
608		884
…		…
610	if (ref $_[0]) {	886	if (ref $_[0]) {
611	_object_attach @_;	887	_object_attach @_;
612	} else {	888	} else {
613	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
614	}	890	}
		891	_recalc_want;
615	};	892	};
616		893
617	# all those should be optimised	894	# all those should be optimised
618	sub cf::attachable::detach {	895	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
623	reattach ($obj);	900	reattach ($obj);
624	} else {	901	} else {
625	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
626	}	903	}
		904	_recalc_want;
627	};	905	};
628		906
629	sub cf::attachable::attached {	907	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
631		909
…		…
646	";	924	";
647	die if $@;	925	die if $@;
648	}	926	}
649		927
650	our $override;	928	our $override;
651	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
652		930
653	sub override {	931	sub override {
654	$override = 1;	932	$override = 1;
655	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
656	}	934	}
657		935
658	sub do_invoke {	936	sub do_invoke {
659	my $event = shift;	937	my $event = shift;
660	my $callbacks = shift;	938	my $callbacks = shift;
661		939
662	@invoke_results = ();	940	@INVOKE_RESULTS = ();
663		941
664	local $override;	942	local $override;
665		943
666	for (@$callbacks) {	944	for (@$callbacks) {
667	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
684		962
685	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
686		964
687	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
688	removed in future versions), and there is no public API to access override	966	removed in future versions), and there is no public API to access override
689	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		968
691	=back	969	=back
692		970
693	=cut	971	=cut
694		972
695	#############################################################################	973	#############################################################################
696	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
697		1017
698	sub reattach {	1018	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	1020	my ($obj) = @_;
701		1021
…		…
748	sub object_freezer_save {	1068	sub object_freezer_save {
749	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
750		1070
751	sync_job {	1071	sync_job {
752	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
753	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
754	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
755		1076
756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
759	aio_fsync $fh if $cf::USE_FSYNC;	1080	aio_fsync $fh if $cf::USE_FSYNC;
760	close $fh;	1081	close $fh;
761		1082
762	if (@$objs) {	1083	if (@$objs) {
763	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
765	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
766	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
767	aio_fsync $fh if $cf::USE_FSYNC;	1088	aio_fsync $fh if $cf::USE_FSYNC;
768	close $fh;	1089	close $fh;
769	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
770	}	1091	}
…		…
778	}	1099	}
779	} else {	1100	} else {
780	aio_unlink $filename;	1101	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
782	}	1103	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	1104	};
790	}	1105	}
791		1106
792	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
794		1109
…		…
799		1114
800	sub object_thawer_load {	1115	sub object_thawer_load {
801	my ($filename) = @_;	1116	my ($filename) = @_;
802		1117
803	my ($data, $av);	1118	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1119
808	(aio_load $filename, $data) >= 0	1120	(aio_load $filename, $data) >= 0
809	or return;	1121	or return;
810		1122
811	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
813	or return;	1125	or return;
		1126
814	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
815	}	1129	}
816		1130
		1131	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1133	$decname, length $data, scalar @{$av || []};
		1134
819	return ($data, $av);	1135	($data, $av)
820	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
821		1143
822	#############################################################################	1144	#############################################################################
823	# command handling &c	1145	# command handling &c
824		1146
825	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1161	}
840		1162
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1164
843	Register a callbackf ro execution when the client sends an extcmd packet.	1165	Register a callback for execution when the client sends an (synchronous)
		1166	extcmd packet. Ext commands will be processed in the order they are
		1167	received by the server, like other user commands. The first argument is
		1168	the logged-in player. Ext commands can only be processed after a player
		1169	has logged in successfully.
844		1170
845	If the callback returns something, it is sent back as if reply was being	1171	If the callback returns something, it is sent back as if reply was being
846	called.	1172	called.
847		1173
		1174	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1175
		1176	Register a callback for execution when the client sends an (asynchronous)
		1177	exticmd packet. Exti commands are processed by the server as soon as they
		1178	are received, i.e. out of order w.r.t. other commands. The first argument
		1179	is a client socket. Exti commands can be received anytime, even before
		1180	log-in.
		1181
		1182	If the callback returns something, it is sent back as if reply was being
		1183	called.
		1184
848	=cut	1185	=cut
849		1186
850	sub register_extcmd {	1187	sub register_extcmd {
851	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
852		1189
853	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
854	}	1197	}
855		1198
856	cf::player->attach (	1199	cf::player->attach (
857	on_command => sub {	1200	on_command => sub {
858	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1210	cf::override;
868	},	1211	},
869	on_extcmd => sub {	1212	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
871		1214
872	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1216
874	if (ref $msg) {	1217	if (ref $msg) {
		1218	my ($type, $reply, @payload) =
		1219	"ARRAY" eq ref $msg
		1220	? @$msg
		1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1222
		1223	my @reply;
		1224
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
880	} else {	1232	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1234	}
883		1235
884	cf::override;	1236	cf::override;
885	},	1237	},
886	);	1238	);
887		1239
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
923	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1245	next unless -r $path;
925	eval {	1246
926	load_extension $ext;	1247	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1248	my $base = $1;
		1249	my $pkg = $1;
		1250	$pkg =~ s/[^[:word:]]/_/g;
		1251	$pkg = "ext::$pkg";
		1252
		1253	open my $fh, "<:utf8", $path
		1254	or die "$path: $!";
		1255
		1256	my $source = do { local $/; <$fh> };
		1257
		1258	my %ext = (
		1259	path => $path,
		1260	base => $base,
		1261	pkg => $pkg,
		1262	);
		1263
		1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1266
		1267	$ext{source} =
		1268	"package $pkg; use strict; use utf8;\n"
		1269	. "#line 1 \"$path\"\n{\n"
		1270	. $source
		1271	. "\n};\n1";
		1272
		1273	$todo{$base} = \%ext;
		1274	}
		1275
		1276	my %done;
		1277	while (%todo) {
		1278	my $progress;
		1279
		1280	while (my ($k, $v) = each %todo) {
		1281	for (split /,\s*/, $v->{meta}{depends}) {
		1282	goto skip
		1283	unless exists $done{$_};
		1284	}
		1285
		1286	warn "... loading '$k' into '$v->{pkg}'\n";
		1287
		1288	unless (eval $v->{source}) {
		1289	my $msg = $@ ? "$v->{path}: $@\n"
		1290	: "$v->{base}: extension inactive.\n";
		1291
		1292	if (exists $v->{meta}{mandatory}) {
		1293	warn $msg;
		1294	warn "mandatory extension failed to load, exiting.\n";
		1295	exit 1;
		1296	}
		1297
		1298	warn $msg;
		1299	}
		1300
		1301	$done{$k} = delete $todo{$k};
		1302	push @EXTS, $v->{pkg};
		1303	$progress = 1;
927	1	1304	}
928	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
929	}	1310	};
930	}	1311	}
931		1312
932	#############################################################################	1313	#############################################################################
933		1314
		1315	=back
		1316
934	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
935		1318
936	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
937		1320
938	=cut	1321	=cut
…		…
943		1326
944	=head3 cf::player	1327	=head3 cf::player
945		1328
946	=over 4	1329	=over 4
947		1330
		1331	=item cf::player::num_playing
		1332
		1333	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1334
		1335	=cut
		1336
		1337	sub num_playing {
		1338	scalar grep
		1339	$_->ob->map
		1340	&& !$_->hidden
		1341	&& !$_->ob->flag (cf::FLAG_WIZ),
		1342	cf::player::list
		1343	}
		1344
948	=item cf::player::find $login	1345	=item cf::player::find $login
949		1346
950	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
951		1348
952	=cut	1349	=cut
953		1350
954	sub playerdir($) {	1351	sub playerdir($) {
955	cf::localdir	1352	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1353	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1354	}
961		1355
962	sub path($) {	1356	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1357	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1358
965	(playerdir $login) . "/$login.pl"	1359	(playerdir $login) . "/playerdata"
966	}	1360	}
967		1361
968	sub find_active($) {	1362	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1363	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1364	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1377	my $login = $_[0];
984		1378
985	my $guard = cf::lock_acquire "user_find:$login";	1379	my $guard = cf::lock_acquire "user_find:$login";
986		1380
987	$cf::PLAYER{$_[0]} || do {	1381	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1382	# rename old playerfiles to new ones
		1383	#TODO: remove when no longer required
		1384	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1385	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1386	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1387	aio_unlink +(playerdir $login) . "/$login.pl";
		1388
		1389	my $f = new_from_file cf::object::thawer path $login
989	or return;	1390	or return;
		1391
		1392	my $pl = cf::player::load_pl $f
		1393	or return;
		1394	local $cf::PLAYER_LOADING{$login} = $pl;
		1395	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
991	}	1397	}
992	}	1398	}
993	}	1399	}
994		1400
…		…
1004		1410
1005	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
1007		1413
1008	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
1009	Coro::cede;	1415	cf::cede_to_tick;
1010	}	1416	}
1011		1417
1012	sub new($) {	1418	sub new($) {
1013	my ($login) = @_;	1419	my ($login) = @_;
1014		1420
…		…
1020	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1021		1427
1022	$self	1428	$self
1023	}	1429	}
1024		1430
		1431	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1432
		1433	=cut
		1434
		1435	sub send_msg {
		1436	my $ns = shift->ns
		1437	or return;
		1438	$ns->send_msg (@_);
		1439	}
		1440
1025	=item $pl->quit_character	1441	=item $pl->quit_character
1026		1442
1027	Nukes the player without looking back. If logged in, the connection will	1443	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1444	be destroyed. May block for a long time.
1029		1445
1030	=cut	1446	=cut
1031		1447
1032	sub quit_character {	1448	sub quit_character {
1033	my ($pl) = @_;	1449	my ($pl) = @_;
		1450
		1451	my $name = $pl->ob->name;
1034		1452
1035	$pl->{deny_save} = 1;	1453	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1454	$pl->password ("*"); # this should lock out the player until we nuked the dir
1037		1455
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1461	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1462	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1463	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1464	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1465	$pl->destroy;
		1466
		1467	my $prefix = qr<^~\Q$name\E/>;
		1468
		1469	# nuke player maps
		1470	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1471
1048	IO::AIO::aio_rmtree $temp;	1472	IO::AIO::aio_rmtree $temp;
		1473	}
		1474
		1475	=item $pl->kick
		1476
		1477	Kicks a player out of the game. This destroys the connection.
		1478
		1479	=cut
		1480
		1481	sub kick {
		1482	my ($pl, $kicker) = @_;
		1483
		1484	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1485	$pl->killer ("kicked");
		1486	$pl->ns->destroy;
1049	}	1487	}
1050		1488
1051	=item cf::player::list_logins	1489	=item cf::player::list_logins
1052		1490
1053	Returns am arrayref of all valid playernames in the system, can take a	1491	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1492	while and may block, so not sync_job-capable, ever.
1055		1493
1056	=cut	1494	=cut
1057		1495
1058	sub list_logins {	1496	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1497	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1498	or return [];
1061		1499
1062	my @logins;	1500	my @logins;
1063		1501
1064	for my $login (@$dirs) {	1502	for my $login (@$dirs) {
		1503	my $path = path $login;
		1504
		1505	# a .pst is a dead give-away for a valid player
		1506	unless (-e "$path.pst") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1068		1511
1069	utf8::decode $login;	1512	utf8::decode $login;
1070	push @logins, $login;	1513	push @logins, $login;
1071	}	1514	}
1072		1515
…		…
1099	}	1542	}
1100		1543
1101	\@paths	1544	\@paths
1102	}	1545	}
1103		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	use re 'eval';
		1554
		1555	my $group;
		1556	my $interior; $interior = qr{
		1557	# match a pod interior sequence sans C<< >>
		1558	(?:
		1559	\ (.*?)\ (?{ $group = $^N })
		1560	| < (??{$interior}) >
		1561	)
		1562	}x;
		1563
		1564	sub expand_cfpod {
		1565	my ($self, $pod) = @_;
		1566
		1567	my $xml;
		1568
		1569	while () {
		1570	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1571	$group = $1;
		1572
		1573	$group =~ s/&/&amp;/g;
		1574	$group =~ s/</&lt;/g;
		1575
		1576	$xml .= $group;
		1577	} elsif ($pod =~ m%\G
		1578	([BCGHITU])
		1579	<
		1580	(?:
		1581	([^<>]*) (?{ $group = $^N })
		1582	| < $interior >
		1583	)
		1584	>
		1585	%gcsx
		1586	) {
		1587	my ($code, $data) = ($1, $group);
		1588
		1589	if ($code eq "B") {
		1590	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1591	} elsif ($code eq "I") {
		1592	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1593	} elsif ($code eq "U") {
		1594	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1595	} elsif ($code eq "C") {
		1596	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1597	} elsif ($code eq "T") {
		1598	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1599	} elsif ($code eq "G") {
		1600	my ($male, $female) = split /\|/, $data;
		1601	$data = $self->gender ? $female : $male;
		1602	$xml .= expand_cfpod ($self, $data);
		1603	} elsif ($code eq "H") {
		1604	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1605	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1606	"")
		1607	[$self->{hintmode}];
		1608	} else {
		1609	$xml .= "error processing '$code($data)' directive";
		1610	}
		1611	} else {
		1612	if ($pod =~ /\G(.+)/) {
		1613	warn "parse error while expanding $pod (at $1)";
		1614	}
		1615	last;
		1616	}
		1617	}
		1618
		1619	for ($xml) {
		1620	# create single paragraphs (very hackish)
		1621	s/(?<=\S)\n(?=\w)/ /g;
		1622
		1623	# compress some whitespace
		1624	s/\s+\n/\n/g; # ws line-ends
		1625	s/\n\n+/\n/g; # double lines
		1626	s/^\n+//; # beginning lines
		1627	s/\n+$//; # ending lines
		1628	}
		1629
		1630	$xml
		1631	}
		1632
		1633	no re 'eval';
		1634
		1635	sub hintmode {
		1636	$_[0]{hintmode} = $_[1] if @_ > 1;
		1637	$_[0]{hintmode}
		1638	}
		1639
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1640	=item $player->ext_reply ($msgid, @msg)
1105		1641
1106	Sends an ext reply to the player.	1642	Sends an ext reply to the player.
1107		1643
1108	=cut	1644	=cut
1109		1645
1110	sub ext_reply($$$%) {	1646	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1647	my ($self, $id, @msg) = @_;
1112		1648
1113	$msg{msgid} = $id;	1649	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1650	}
1117		1651
1118	package cf;	1652	=item $player->ext_msg ($type, @msg)
		1653
		1654	Sends an ext event to the client.
		1655
		1656	=cut
		1657
		1658	sub ext_msg($$@) {
		1659	my ($self, $type, @msg) = @_;
		1660
		1661	$self->ns->ext_msg ($type, @msg);
		1662	}
		1663
		1664	=head3 cf::region
		1665
		1666	=over 4
		1667
		1668	=cut
		1669
		1670	package cf::region;
		1671
		1672	=item cf::region::find_by_path $path
		1673
		1674	Tries to decuce the likely region for a map knowing only its path.
		1675
		1676	=cut
		1677
		1678	sub find_by_path($) {
		1679	my ($path) = @_;
		1680
		1681	my ($match, $specificity);
		1682
		1683	for my $region (list) {
		1684	if ($region->{match} && $path =~ $region->{match}) {
		1685	($match, $specificity) = ($region, $region->specificity)
		1686	if $region->specificity > $specificity;
		1687	}
		1688	}
		1689
		1690	$match
		1691	}
1119		1692
1120	=back	1693	=back
1121
1122		1694
1123	=head3 cf::map	1695	=head3 cf::map
1124		1696
1125	=over 4	1697	=over 4
1126		1698
…		…
1181	my ($self, $merge) = @_;	1753	my ($self, $merge) = @_;
1182		1754
1183	# we have to keep some variables in memory intact	1755	# we have to keep some variables in memory intact
1184	local $self->{path};	1756	local $self->{path};
1185	local $self->{load_path};	1757	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1758
1189	$self->SUPER::thawer_merge ($merge);	1759	$self->SUPER::thawer_merge ($merge);
1190	}	1760	}
1191		1761
1192	sub normalise {	1762	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1809	$self->init; # pass $1 etc.
1240	return $self;	1810	return $self;
1241	}	1811	}
1242	}	1812	}
1243		1813
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1814	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1815	()
1246	}	1816	}
1247		1817
1248	sub init {	1818	sub init {
1249	my ($self) = @_;	1819	my ($self) = @_;
…		…
1264		1834
1265	# the original (read-only) location	1835	# the original (read-only) location
1266	sub load_path {	1836	sub load_path {
1267	my ($self) = @_;	1837	my ($self) = @_;
1268		1838
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1839	"$MAPDIR/$self->{path}.map"
1270	}	1840	}
1271		1841
1272	# the temporary/swap location	1842	# the temporary/swap location
1273	sub save_path {	1843	sub save_path {
1274	my ($self) = @_;	1844	my ($self) = @_;
1275		1845
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1846	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1847	"$TMPDIR/$path.map"
1278	}	1848	}
1279		1849
1280	# the unique path, undef == no special unique path	1850	# the unique path, undef == no special unique path
1281	sub uniq_path {	1851	sub uniq_path {
1282	my ($self) = @_;	1852	my ($self) = @_;
1283		1853
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1854	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1855	"$UNIQUEDIR/$path"
1286	}	1856	}
1287		1857
1288	# and all this just because we cannot iterate over	1858	# and all this just because we cannot iterate over
1289	# all maps in C++...	1859	# all maps in C++...
1290	sub change_all_map_light {	1860	sub change_all_map_light {
…		…
1292		1862
1293	$_->change_map_light ($change)	1863	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1864	for grep $_->outdoor, values %cf::MAP;
1295	}	1865	}
1296		1866
		1867	sub decay_objects {
		1868	my ($self) = @_;
		1869
		1870	return if $self->{deny_reset};
		1871
		1872	$self->do_decay_objects;
		1873	}
		1874
1297	sub unlink_save {	1875	sub unlink_save {
1298	my ($self) = @_;	1876	my ($self) = @_;
1299		1877
1300	utf8::encode (my $save = $self->save_path);	1878	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1879	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1880	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304	#d#TODO remove .map and also nuke
1305	$save =~ s/\.map// or return;#d#
1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308	}	1881	}
1309		1882
1310	sub load_header_from($) {	1883	sub load_header_from($) {
1311	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1312		1885
1313	utf8::encode $path;	1886	utf8::encode $path;
1314	#aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1315	# or return;
1316
1317	$self->_load_header ($path)
1318	or return;	1888	or return;
		1889
		1890	$self->_load_header ($f)
		1891	or return;
		1892
		1893	local $MAP_LOADING{$self->{path}} = $self;
		1894	$f->resolve_delayed_derefs;
1319		1895
1320	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1321		1897
1322	1	1898	1
1323	}	1899	}
…		…
1362	$self->load_header_orig	1938	$self->load_header_orig
1363	or return;	1939	or return;
1364	$self->prepare_orig;	1940	$self->prepare_orig;
1365	}	1941	}
1366		1942
		1943	$self->{deny_reset} = 1
		1944	if $self->no_reset;
		1945
		1946	$self->default_region (cf::region::find_by_path $self->{path})
		1947	unless $self->default_region;
		1948
1367	1	1949	1
1368	}	1950	}
1369		1951
1370	sub find;	1952	sub find;
1371	sub find {	1953	sub find {
1372	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1373		1955
1374	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1375		1957
		1958	cf::lock_wait "map_data:$path";#d#remove
1376	cf::lock_wait "map_find:$path";	1959	cf::lock_wait "map_find:$path";
1377		1960
1378	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1379	my $guard = cf::lock_acquire "map_find:$path";	1962	my $guard1 = cf::lock_acquire "map_find:$path";
		1963	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1964
1380	my $map = new_from_path cf::map $path	1965	my $map = new_from_path cf::map $path
1381	or return;	1966	or return;
1382		1967
1383	$map->{last_save} = $cf::RUNTIME;	1968	$map->{last_save} = $cf::RUNTIME;
1384		1969
1385	$map->load_header	1970	$map->load_header
1386	or return;	1971	or return;
1387		1972
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1973	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	1974	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	1975	#$cf::WAIT_FOR_TICK->wait;
		1976	undef $guard1;
		1977	undef $guard2;
1391	$map->reset;	1978	$map->reset;
1392	undef $guard;
1393	return find $path;	1979	return find $path;
1394	}	1980	}
1395		1981
1396	$cf::MAP{$path} = $map	1982	$cf::MAP{$path} = $map
1397	}	1983	}
…		…
1404	my ($self) = @_;	1990	my ($self) = @_;
1405		1991
1406	local $self->{deny_reset} = 1; # loading can take a long time	1992	local $self->{deny_reset} = 1; # loading can take a long time
1407		1993
1408	my $path = $self->{path};	1994	my $path = $self->{path};
		1995
		1996	{
1409	my $guard = cf::lock_acquire "map_load:$path";	1997	my $guard = cf::lock_acquire "map_data:$path";
1410		1998
		1999	return unless $self->valid;
1411	return if $self->in_memory != cf::MAP_SWAPPED;	2000	return unless $self->in_memory == cf::MAP_SWAPPED;
1412		2001
1413	$self->in_memory (cf::MAP_LOADING);	2002	$self->in_memory (cf::MAP_LOADING);
1414		2003
1415	$self->alloc;	2004	$self->alloc;
1416		2005
1417	$self->pre_load;	2006	$self->pre_load;
		2007	cf::cede_to_tick;
1418		2008
1419	$self->_load_objects ($self->{load_path}, 1)	2009	my $f = new_from_file cf::object::thawer $self->{load_path};
		2010	$f->skip_block;
		2011	$self->_load_objects ($f)
1420	or return;	2012	or return;
1421		2013
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2014	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	2015	if delete $self->{load_original};
1424		2016
1425	if (my $uniq = $self->uniq_path) {	2017	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	2018	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	2019	unless (aio_stat $uniq) {
		2020	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	2021	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);	2022	$self->_load_objects ($f);
		2023	$f->resolve_delayed_derefs;
		2024	}
1430	}	2025	}
1431	}	2026	}
1432		2027
1433	Coro::cede;	2028	$f->resolve_delayed_derefs;
1434		2029
		2030	cf::cede_to_tick;
1435	# now do the right thing for maps	2031	# now do the right thing for maps
1436	$self->link_multipart_objects;	2032	$self->link_multipart_objects;
1437
1438	unless ($self->{deny_activate}) {
1439	$self->decay_objects;
1440	$self->fix_auto_apply;
1441	$self->update_buttons;
1442	Coro::cede;
1443	$self->set_darkness_map;
1444	$self->difficulty ($self->estimate_difficulty)	2033	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	2034	unless $self->difficulty;
1446	Coro::cede;	2035	cf::cede_to_tick;
		2036
		2037	unless ($self->{deny_activate}) {
		2038	$self->decay_objects;
		2039	$self->fix_auto_apply;
		2040	$self->update_buttons;
		2041	cf::cede_to_tick;
		2042	$self->set_darkness_map;
		2043	cf::cede_to_tick;
1447	$self->activate;	2044	$self->activate;
		2045	}
		2046
		2047	$self->{last_save} = $cf::RUNTIME;
		2048	$self->last_access ($cf::RUNTIME);
		2049
		2050	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	2051	}
1449		2052
1450	$self->post_load;	2053	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	2054	}
1454		2055
1455	sub customise_for {	2056	sub customise_for {
1456	my ($self, $ob) = @_;	2057	my ($self, $ob) = @_;
1457		2058
1458	return find "~" . $ob->name . "/" . $self->{path}	2059	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	2060	if $self->per_player;
1460		2061
		2062	# return find "?party/" . $ob->name . "/" . $self->{path}
		2063	# if $self->per_party;
		2064
1461	$self	2065	$self
1462	}	2066	}
1463		2067
1464	# find and load all maps in the 3x3 area around a map	2068	# find and load all maps in the 3x3 area around a map
1465	sub load_diag {	2069	sub load_neighbours {
1466	my ($map) = @_;	2070	my ($map) = @_;
1467		2071
1468	my @diag; # diagonal neighbours	2072	my @neigh; # diagonal neighbours
1469		2073
1470	for (0 .. 3) {	2074	for (0 .. 3) {
1471	my $neigh = $map->tile_path ($_)	2075	my $neigh = $map->tile_path ($_)
1472	or next;	2076	or next;
1473	$neigh = find $neigh, $map	2077	$neigh = find $neigh, $map
1474	or next;	2078	or next;
1475	$neigh->load;	2079	$neigh->load;
1476		2080
		2081	push @neigh,
1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2082	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2083	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1479	}	2084	}
1480		2085
1481	for (@diag) {	2086	for (grep defined $_->[0], @neigh) {
		2087	my ($path, $origin) = @$_;
1482	my $neigh = find @$_	2088	my $neigh = find $path, $origin
1483	or next;	2089	or next;
1484	$neigh->load;	2090	$neigh->load;
1485	}	2091	}
1486	}	2092	}
1487		2093
…		…
1492	}	2098	}
1493		2099
1494	sub do_load_sync {	2100	sub do_load_sync {
1495	my ($map) = @_;	2101	my ($map) = @_;
1496		2102
		2103	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2104	if $Coro::current == $Coro::main;
		2105
1497	cf::sync_job { $map->load };	2106	cf::sync_job { $map->load };
1498	}	2107	}
1499		2108
1500	our %MAP_PREFETCH;	2109	our %MAP_PREFETCH;
1501	our $MAP_PREFETCHER = undef;	2110	our $MAP_PREFETCHER = undef;
1502		2111
1503	sub find_async {	2112	sub find_async {
1504	my ($path, $origin) = @_;	2113	my ($path, $origin, $load) = @_;
1505		2114
1506	$path = normalise $path, $origin && $origin->{path};	2115	$path = normalise $path, $origin && $origin->{path};
1507		2116
1508	if (my $map = $cf::MAP{$path}) {	2117	if (my $map = $cf::MAP{$path}) {
1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2118	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1510	}	2119	}
1511		2120
1512	undef $MAP_PREFETCH{$path};	2121	$MAP_PREFETCH{$path} |= $load;
		2122
1513	$MAP_PREFETCHER ||= cf::async {	2123	$MAP_PREFETCHER ||= cf::async {
		2124	$Coro::current->{desc} = "map prefetcher";
		2125
1514	while (%MAP_PREFETCH) {	2126	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	2127	while (my ($k, $v) = each %MAP_PREFETCH) {
1516	my $map = find $path	2128	if (my $map = find $k) {
1517	or next;
1518	$map->load;	2129	$map->load if $v;
		2130	}
1519		2131
1520	delete $MAP_PREFETCH{$path};	2132	delete $MAP_PREFETCH{$k};
1521	}	2133	}
1522	}	2134	}
1523	undef $MAP_PREFETCHER;	2135	undef $MAP_PREFETCHER;
1524	};	2136	};
1525	$MAP_PREFETCHER->prio (6);	2137	$MAP_PREFETCHER->prio (6);
…		…
1528	}	2140	}
1529		2141
1530	sub save {	2142	sub save {
1531	my ($self) = @_;	2143	my ($self) = @_;
1532		2144
1533	my $lock = cf::lock_acquire "map_data:" . $self->path;	2145	my $lock = cf::lock_acquire "map_data:$self->{path}";
1534		2146
1535	$self->{last_save} = $cf::RUNTIME;	2147	$self->{last_save} = $cf::RUNTIME;
1536		2148
1537	return unless $self->dirty;	2149	return unless $self->dirty;
1538		2150
…		…
1544	return if $self->{deny_save};	2156	return if $self->{deny_save};
1545		2157
1546	local $self->{last_access} = $self->last_access;#d#	2158	local $self->{last_access} = $self->last_access;#d#
1547		2159
1548	cf::async {	2160	cf::async {
		2161	$Coro::current->{desc} = "map player save";
1549	$_->contr->save for $self->players;	2162	$_->contr->save for $self->players;
1550	};	2163	};
1551		2164
1552	if ($uniq) {	2165	if ($uniq) {
1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1561	my ($self) = @_;	2174	my ($self) = @_;
1562		2175
1563	# save first because save cedes	2176	# save first because save cedes
1564	$self->save;	2177	$self->save;
1565		2178
1566	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1567		2180
1568	return if $self->players;	2181	return if $self->players;
1569	return if $self->in_memory != cf::MAP_IN_MEMORY;	2182	return if $self->in_memory != cf::MAP_IN_MEMORY;
1570	return if $self->{deny_save};	2183	return if $self->{deny_save};
1571		2184
		2185	$self->in_memory (cf::MAP_SWAPPED);
		2186
		2187	$self->deactivate;
		2188	$_->clear_links_to ($self) for values %cf::MAP;
1572	$self->clear;	2189	$self->clear;
1573	$self->in_memory (cf::MAP_SWAPPED);
1574	}	2190	}
1575		2191
1576	sub reset_at {	2192	sub reset_at {
1577	my ($self) = @_;	2193	my ($self) = @_;
1578		2194
1579	# TODO: safety, remove and allow resettable per-player maps	2195	# TODO: safety, remove and allow resettable per-player maps
1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1581	return 1e99 if $self->{deny_reset};	2196	return 1e99 if $self->{deny_reset};
1582		2197
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2198	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2199	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		2200
…		…
1596	my ($self) = @_;	2211	my ($self) = @_;
1597		2212
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2214
1600	return if $self->players;	2215	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2216
1603	warn "resetting map ", $self->path;#d#	2217	warn "resetting map ", $self->path;
		2218
		2219	$self->in_memory (cf::MAP_SWAPPED);
		2220
		2221	# need to save uniques path
		2222	unless ($self->{deny_save}) {
		2223	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2224
		2225	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2226	if $uniq;
		2227	}
1604		2228
1605	delete $cf::MAP{$self->path};	2229	delete $cf::MAP{$self->path};
1606		2230
1607	$self->in_memory (cf::MAP_SWAPPED);	2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2233	$self->clear;
1609
1610	$_->clear_links_to ($self) for values %cf::MAP;
1611		2234
1612	$self->unlink_save;	2235	$self->unlink_save;
1613	$self->destroy;	2236	$self->destroy;
1614	}	2237	}
1615		2238
1616	my $nuke_counter = "aaaa";	2239	my $nuke_counter = "aaaa";
1617		2240
1618	sub nuke {	2241	sub nuke {
1619	my ($self) = @_;	2242	my ($self) = @_;
1620		2243
		2244	{
		2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2246
1621	delete $cf::MAP{$self->path};	2247	delete $cf::MAP{$self->path};
1622		2248
1623	$self->unlink_save;	2249	$self->unlink_save;
1624		2250
1625	bless $self, "cf::map";	2251	bless $self, "cf::map";
1626	delete $self->{deny_reset};	2252	delete $self->{deny_reset};
1627	$self->{deny_save} = 1;	2253	$self->{deny_save} = 1;
1628	$self->reset_timeout (1);	2254	$self->reset_timeout (1);
1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2255	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1630		2256
1631	$cf::MAP{$self->path} = $self;	2257	$cf::MAP{$self->path} = $self;
		2258	}
1632		2259
1633	$self->reset; # polite request, might not happen	2260	$self->reset; # polite request, might not happen
		2261	}
		2262
		2263	=item $maps = cf::map::tmp_maps
		2264
		2265	Returns an arrayref with all map paths of currently instantiated and saved
		2266	maps. May block.
		2267
		2268	=cut
		2269
		2270	sub tmp_maps() {
		2271	[
		2272	map {
		2273	utf8::decode $_;
		2274	/\.map$/
		2275	? normalise $_
		2276	: ()
		2277	} @{ aio_readdir $TMPDIR or [] }
		2278	]
		2279	}
		2280
		2281	=item $maps = cf::map::random_maps
		2282
		2283	Returns an arrayref with all map paths of currently instantiated and saved
		2284	random maps. May block.
		2285
		2286	=cut
		2287
		2288	sub random_maps() {
		2289	[
		2290	map {
		2291	utf8::decode $_;
		2292	/\.map$/
		2293	? normalise "?random/$_"
		2294	: ()
		2295	} @{ aio_readdir $RANDOMDIR or [] }
		2296	]
1634	}	2297	}
1635		2298
1636	=item cf::map::unique_maps	2299	=item cf::map::unique_maps
1637		2300
1638	Returns an arrayref of paths of all shared maps that have	2301	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2302	instantiated unique items. May block.
1640		2303
1641	=cut	2304	=cut
1642		2305
1643	sub unique_maps() {	2306	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2307	[
1645	or return;	2308	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2309	utf8::decode $_;
1651	next if /\.pst$/;	2310	/\.map$/
1652	next unless /^$PATH_SEP/o;	2311	? normalise $_
1653		2312	: ()
1654	push @paths, cf::map::normalise $_;	2313	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2314	]
1656
1657	\@paths
1658	}	2315	}
1659		2316
1660	package cf;	2317	package cf;
1661		2318
1662	=back	2319	=back
…		…
1680	map { $_, inv_recursive_ $_->inv } @_	2337	map { $_, inv_recursive_ $_->inv } @_
1681	}	2338	}
1682		2339
1683	sub inv_recursive {	2340	sub inv_recursive {
1684	inv_recursive_ inv $_[0]	2341	inv_recursive_ inv $_[0]
		2342	}
		2343
		2344	=item $ref = $ob->ref
		2345
		2346	creates and returns a persistent reference to an objetc that can be stored as a string.
		2347
		2348	=item $ob = cf::object::deref ($refstring)
		2349
		2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2351	even if the object actually exists. May block.
		2352
		2353	=cut
		2354
		2355	sub deref {
		2356	my ($ref) = @_;
		2357
		2358	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2359	my ($uuid, $name) = ($1, $2);
		2360	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2361	or return;
		2362	$pl->ob->uuid eq $uuid
		2363	or return;
		2364
		2365	$pl->ob
		2366	} else {
		2367	warn "$ref: cannot resolve object reference\n";
		2368	undef
		2369	}
1685	}	2370	}
1686		2371
1687	package cf;	2372	package cf;
1688		2373
1689	=back	2374	=back
…		…
1708		2393
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2394	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2395
1711	if ($self->{record_replies}) {	2396	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2397	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2398
1713	} else {	2399	} else {
		2400	my $pl = $self->contr;
		2401
		2402	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2403	my $dialog = $pl->{npc_dialog};
		2404	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2405
		2406	} else {
1714	$msg = $npc->name . " says: $msg" if $npc;	2407	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2408	$self->message ($msg, $flags);
		2409	}
1716	}	2410	}
		2411	}
		2412
		2413	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2414
		2415	=cut
		2416
		2417	sub cf::object::send_msg {
		2418	my $pl = shift->contr
		2419	or return;
		2420	$pl->send_msg (@_);
1717	}	2421	}
1718		2422
1719	=item $player_object->may ("access")	2423	=item $player_object->may ("access")
1720		2424
1721	Returns wether the given player is authorized to access resource "access"	2425	Returns wether the given player is authorized to access resource "access"
…		…
1768	$self->deactivate_recursive;	2472	$self->deactivate_recursive;
1769		2473
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2474	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2475
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2476	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2477	if $self->map && $self->map->{path} ne "{link}";
1774		2478
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2479	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	2480	}
1777		2481
1778	sub cf::object::player::leave_link {	2482	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2483	my ($self, $map, $x, $y) = @_;
		2484
		2485	return unless $self->contr->active;
1780		2486
1781	my $link_pos = delete $self->{_link_pos};	2487	my $link_pos = delete $self->{_link_pos};
1782		2488
1783	unless ($map) {	2489	unless ($map) {
1784	# restore original map position	2490	# restore original map position
…		…
1798	# use -1 or undef as default coordinates, not 0, 0	2504	# use -1 or undef as default coordinates, not 0, 0
1799	($x, $y) = ($map->enter_x, $map->enter_y)	2505	($x, $y) = ($map->enter_x, $map->enter_y)
1800	if $x <=0 && $y <= 0;	2506	if $x <=0 && $y <= 0;
1801		2507
1802	$map->load;	2508	$map->load;
1803	$map->load_diag;	2509	$map->load_neighbours;
1804		2510
1805	return unless $self->contr->active;	2511	return unless $self->contr->active;
1806	$self->activate_recursive;	2512	$self->activate_recursive;
		2513
		2514	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	2515	$self->enter_map ($map, $x, $y);
1808	}	2516	}
1809		2517
1810	cf::player->attach (	2518	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1811	on_logout => sub {
1812	my ($pl) = @_;
1813		2519
1814	# abort map switching before logout	2520	Moves the player to the given map-path and coordinates by first freezing
1815	if ($pl->ob->{_link_pos}) {	2521	her, loading and preparing them map, calling the provided $check callback
1816	cf::sync_job {	2522	that has to return the map if sucecssful, and then unfreezes the player on
1817	$pl->ob->leave_link	2523	the new (success) or old (failed) map position. In either case, $done will
1818	};	2524	be called at the end of this process.
1819	}
1820	},
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2525
1824	# try to abort aborted map switching on player login :)
1825	# should happen only on crashes
1826	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;
1828	(async {
1829	# we need this sleep as the login has a concurrent enter_exit running
1830	# and this sleep increases chances of the player not ending up in scorn
1831	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);
1835	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;
1837	})->prio (2);
1838	}
1839	},
1840	);
1841
1842	=item $player_object->goto ($path, $x, $y)
1843
1844	=cut	2526	=cut
		2527
		2528	our $GOTOGEN;
1845		2529
1846	sub cf::object::player::goto {	2530	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	2531	my ($self, $path, $x, $y, $check, $done) = @_;
		2532
		2533	# do generation counting so two concurrent goto's will be executed in-order
		2534	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		2535
1849	$self->enter_link;	2536	$self->enter_link;
1850		2537
1851	(async {	2538	(async {
		2539	$Coro::current->{desc} = "player::goto $path $x $y";
		2540
		2541	# *tag paths override both path and x|y
		2542	if ($path =~ /^\*(.*)$/) {
		2543	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2544	my $ob = $obs[rand @obs];
		2545
		2546	# see if we actually can go there
		2547	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2548	$ob = $obs[rand @obs];
		2549	} else {
		2550	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2551	}
		2552	# else put us there anyways for now #d#
		2553
		2554	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2555	} else {
		2556	($path, $x, $y) = (undef, undef, undef);
		2557	}
		2558	}
		2559
1852	my $map = eval {	2560	my $map = eval {
1853	my $map = cf::map::find $path;	2561	my $map = defined $path ? cf::map::find $path : undef;
		2562
		2563	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	2564	$map = $map->customise_for ($self);
		2565	$map = $check->($map) if $check && $map;
		2566	} else {
		2567	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569
1855	$map	2570	$map
		2571	};
		2572
		2573	if ($@) {
		2574	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2575	LOG llevError | logBacktrace, Carp::longmess $@;
1856	} or	2576	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2577
		2578	if ($gen == $self->{_goto_generation}) {
		2579	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2580	$self->leave_link ($map, $x, $y);
		2581	}
		2582
		2583	$done->() if $done;
1860	})->prio (1);	2584	})->prio (1);
1861	}	2585	}
1862		2586
1863	=item $player_object->enter_exit ($exit_object)	2587	=item $player_object->enter_exit ($exit_object)
1864		2588
…		…
1903		2627
1904	$rmp->{random_seed} ||= $exit->random_seed;	2628	$rmp->{random_seed} ||= $exit->random_seed;
1905		2629
1906	my $data = cf::to_json $rmp;	2630	my $data = cf::to_json $rmp;
1907	my $md5 = Digest::MD5::md5_hex $data;	2631	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2632	my $meta = "$RANDOMDIR/$md5.meta";
1909		2633
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2634	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2635	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2636	undef $fh;
1913	aio_rename "$meta~", $meta;	2637	aio_rename "$meta~", $meta;
…		…
1922		2646
1923	return unless $self->type == cf::PLAYER;	2647	return unless $self->type == cf::PLAYER;
1924		2648
1925	if ($exit->slaying eq "/!") {	2649	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job	2650	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2651	# the problem is that $exit might not survive long enough
		2652	# so it needs to be done right now, right here
1927	cf::sync_job { prepare_random_map $exit };	2653	cf::sync_job { prepare_random_map $exit };
1928	}	2654	}
1929		2655
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2656	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;	2657	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;	2658	my $sp = $exit->stats->sp;
1933		2659
1934	$self->enter_link;	2660	$self->enter_link;
1935		2661
		2662	# if exit is damned, update players death & WoR home-position
		2663	$self->contr->savebed ($slaying, $hp, $sp)
		2664	if $exit->flag (FLAG_DAMNED);
		2665
1936	(async {	2666	(async {
		2667	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2668
1937	$self->deactivate_recursive; # just to be sure	2669	$self->deactivate_recursive; # just to be sure
1938	unless (eval {	2670	unless (eval {
1939	$self->goto ($slaying, $hp, $sp);	2671	$self->goto ($slaying, $hp, $sp);
1940		2672
1941	1;	2673	1;
1942	}) {	2674	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2675	$self->message ("Something went wrong deep within the crossfire server. "
1944	. "I'll try to bring you back to the map you were before. "	2676	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2677	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2678	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2679
1948	warn "ERROR in enter_exit: $@";	2680	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2681	$self->leave_link;
1950	}	2682	}
1951	})->prio (1);	2683	})->prio (1);
…		…
1964		2696
1965	sub cf::client::send_drawinfo {	2697	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2698	my ($self, $text, $flags) = @_;
1967		2699
1968	utf8::encode $text;	2700	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2701	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2702	}
1971		2703
		2704	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2705
		2706	Send a drawinfo or msg packet to the client, formatting the msg for the
		2707	client if neccessary. C<$type> should be a string identifying the type of
		2708	the message, with C<log> being the default. If C<$color> is negative, suppress
		2709	the message unless the client supports the msg packet.
		2710
		2711	=cut
		2712
		2713	# non-persistent channels (usually the info channel)
		2714	our %CHANNEL = (
		2715	"c/identify" => {
		2716	id => "infobox",
		2717	title => "Identify",
		2718	reply => undef,
		2719	tooltip => "Items recently identified",
		2720	},
		2721	"c/examine" => {
		2722	id => "infobox",
		2723	title => "Examine",
		2724	reply => undef,
		2725	tooltip => "Signs and other items you examined",
		2726	},
		2727	"c/book" => {
		2728	id => "infobox",
		2729	title => "Book",
		2730	reply => undef,
		2731	tooltip => "The contents of a note or book",
		2732	},
		2733	"c/lookat" => {
		2734	id => "infobox",
		2735	title => "Look",
		2736	reply => undef,
		2737	tooltip => "What you saw there",
		2738	},
		2739	"c/who" => {
		2740	id => "infobox",
		2741	title => "Players",
		2742	reply => undef,
		2743	tooltip => "Shows players who are currently online",
		2744	},
		2745	"c/body" => {
		2746	id => "infobox",
		2747	title => "Body Parts",
		2748	reply => undef,
		2749	tooltip => "Shows which body parts you posess and are available",
		2750	},
		2751	"c/uptime" => {
		2752	id => "infobox",
		2753	title => "Uptime",
		2754	reply => undef,
		2755	tooltip => "How long the server has been running since last restart",
		2756	},
		2757	"c/mapinfo" => {
		2758	id => "infobox",
		2759	title => "Map Info",
		2760	reply => undef,
		2761	tooltip => "Information related to the maps",
		2762	},
		2763	);
		2764
		2765	sub cf::client::send_msg {
		2766	my ($self, $channel, $msg, $color, @extra) = @_;
		2767
		2768	$msg = $self->pl->expand_cfpod ($msg);
		2769
		2770	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2771
		2772	# check predefined channels, for the benefit of C
		2773	if ($CHANNEL{$channel}) {
		2774	$channel = $CHANNEL{$channel};
		2775
		2776	$self->ext_msg (channel_info => $channel)
		2777	if $self->can_msg;
		2778
		2779	$channel = $channel->{id};
		2780
		2781	} elsif (ref $channel) {
		2782	# send meta info to client, if not yet sent
		2783	unless (exists $self->{channel}{$channel->{id}}) {
		2784	$self->{channel}{$channel->{id}} = $channel;
		2785	$self->ext_msg (channel_info => $channel)
		2786	if $self->can_msg;
		2787	}
		2788
		2789	$channel = $channel->{id};
		2790	}
		2791
		2792	return unless @extra || length $msg;
		2793
		2794	if ($self->can_msg) {
		2795	# default colour, mask it out
		2796	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2797	if $color & cf::NDI_DEF;
		2798
		2799	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2800	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2801	} else {
		2802	if ($color >= 0) {
		2803	# replace some tags by gcfclient-compatible ones
		2804	for ($msg) {
		2805	1 while
		2806	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2807	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2808	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2809	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2810	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2811	}
		2812
		2813	$color &= cf::NDI_COLOR_MASK;
		2814
		2815	utf8::encode $msg;
		2816
		2817	if (0 && $msg =~ /\[/) {
		2818	# COMMAND/INFO
		2819	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2820	} else {
		2821	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2822	$self->send_packet ("drawinfo $color $msg")
		2823	}
		2824	}
		2825	}
		2826	}
		2827
		2828	=item $client->ext_msg ($type, @msg)
		2829
		2830	Sends an ext event to the client.
		2831
		2832	=cut
		2833
		2834	sub cf::client::ext_msg($$@) {
		2835	my ($self, $type, @msg) = @_;
		2836
		2837	if ($self->extcmd == 2) {
		2838	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2839	} elsif ($self->extcmd == 1) { # TODO: remove
		2840	push @msg, msgtype => "event_$type";
		2841	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2842	}
		2843	}
		2844
		2845	=item $client->ext_reply ($msgid, @msg)
		2846
		2847	Sends an ext reply to the client.
		2848
		2849	=cut
		2850
		2851	sub cf::client::ext_reply($$@) {
		2852	my ($self, $id, @msg) = @_;
		2853
		2854	if ($self->extcmd == 2) {
		2855	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2856	} elsif ($self->extcmd == 1) {
		2857	#TODO: version 1, remove
		2858	unshift @msg, msgtype => "reply", msgid => $id;
		2859	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2860	}
		2861	}
1972		2862
1973	=item $success = $client->query ($flags, "text", \&cb)	2863	=item $success = $client->query ($flags, "text", \&cb)
1974		2864
1975	Queues a query to the client, calling the given callback with	2865	Queues a query to the client, calling the given callback with
1976	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2866	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1977	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2867	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1978		2868
1979	Queries can fail, so check the return code. Or don't, as queries will become	2869	Queries can fail, so check the return code. Or don't, as queries will
1980	reliable at some point in the future.	2870	become reliable at some point in the future.
1981		2871
1982	=cut	2872	=cut
1983		2873
1984	sub cf::client::query {	2874	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	2875	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	2883	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2884	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		2885
1996	$self->send_packet ($self->{query_queue}[0][0])	2886	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	2887	if @{ $self->{query_queue} } == 1;
		2888
		2889	1
1998	}	2890	}
1999		2891
2000	cf::client->attach (	2892	cf::client->attach (
		2893	on_connect => sub {
		2894	my ($ns) = @_;
		2895
		2896	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2897	},
2001	on_reply => sub {	2898	on_reply => sub {
2002	my ($ns, $msg) = @_;	2899	my ($ns, $msg) = @_;
2003		2900
2004	# this weird shuffling is so that direct followup queries	2901	# this weird shuffling is so that direct followup queries
2005	# get handled first	2902	# get handled first
…		…
2017	} else {	2914	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2915	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	2916	}
2020	}	2917	}
2021	},	2918	},
		2919	on_exticmd => sub {
		2920	my ($ns, $buf) = @_;
		2921
		2922	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2923
		2924	if (ref $msg) {
		2925	my ($type, $reply, @payload) =
		2926	"ARRAY" eq ref $msg
		2927	? @$msg
		2928	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2929
		2930	my @reply;
		2931
		2932	if (my $cb = $EXTICMD{$type}) {
		2933	@reply = $cb->($ns, @payload);
		2934	}
		2935
		2936	$ns->ext_reply ($reply, @reply)
		2937	if $reply;
		2938
		2939	} else {
		2940	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2941	}
		2942
		2943	cf::override;
		2944	},
2022	);	2945	);
2023		2946
2024	=item $client->async (\&cb)	2947	=item $client->async (\&cb)
2025		2948
2026	Create a new coroutine, running the specified callback. The coroutine will	2949	Create a new coroutine, running the specified callback. The coroutine will
…		…
2067	our $safe = new Safe "safe";	2990	our $safe = new Safe "safe";
2068	our $safe_hole = new Safe::Hole;	2991	our $safe_hole = new Safe::Hole;
2069		2992
2070	$SIG{FPE} = 'IGNORE';	2993	$SIG{FPE} = 'IGNORE';
2071		2994
2072	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2995	$safe->permit_only (Opcode::opset qw(
		2996	:base_core :base_mem :base_orig :base_math
		2997	grepstart grepwhile mapstart mapwhile
		2998	sort time
		2999	));
2073		3000
2074	# here we export the classes and methods available to script code	3001	# here we export the classes and methods available to script code
2075		3002
2076	=pod	3003	=pod
2077		3004
2078	The following fucntions and emthods are available within a safe environment:	3005	The following functions and methods are available within a safe environment:
2079		3006
2080	cf::object contr pay_amount pay_player map	3007	cf::object
		3008	contr pay_amount pay_player map x y force_find force_add destroy
		3009	insert remove name archname title slaying race decrease_ob_nr
		3010
2081	cf::object::player player	3011	cf::object::player
2082	cf::player peaceful	3012	player
2083	cf::map trigger	3013
		3014	cf::player
		3015	peaceful
		3016
		3017	cf::map
		3018	trigger
2084		3019
2085	=cut	3020	=cut
2086		3021
2087	for (	3022	for (
2088	["cf::object" => qw(contr pay_amount pay_player map)],	3023	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3024	insert remove inv name archname title slaying race
		3025	decrease_ob_nr destroy)],
2089	["cf::object::player" => qw(player)],	3026	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	3027	["cf::player" => qw(peaceful)],
2091	["cf::map" => qw(trigger)],	3028	["cf::map" => qw(trigger)],
2092	) {	3029	) {
2093	no strict 'refs';	3030	no strict 'refs';
…		…
2164	=back	3101	=back
2165		3102
2166	=cut	3103	=cut
2167		3104
2168	#############################################################################	3105	#############################################################################
2169
2170	=head2 EXTENSION DATABASE SUPPORT
2171
2172	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which
2174	excludes objects.
2175
2176	The parameter C<$family> should best start with the name of the extension
2177	using it, it should be unique.
2178
2179	=over 4
2180
2181	=item $hashref = cf::db_get $family
2182
2183	Return a hashref for use by the extension C<$family>, which can be
2184	modified. After modifications, you have to call C<cf::db_dirty> or
2185	C<cf::db_sync>.
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database
2190
2191	=item cf::db_put $family => $hashref
2192
2193	Stores the given family hashref into the database. Updates are delayed, if
2194	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_put $family => $key => $value
2197
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you
2199	want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201	=item cf::db_dirty
2202
2203	Marks the database as dirty, to be updated at a later time.
2204
2205	=item cf::db_sync
2206
2207	Immediately write the database to disk I<if it is dirty>.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	{
2214	my $path = cf::localdir . "/database.pst";
2215
2216	sub db_load() {
2217	$DB = stat $path ? Storable::retrieve $path : { };
2218	}
2219
2220	my $pid;
2221
2222	sub db_save() {
2223	waitpid $pid, 0 if $pid;
2224	if (0 == ($pid = fork)) {
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}
2230	}
2231
2232	my $dirty;
2233
2234	sub db_sync() {
2235	db_save if $dirty;
2236	undef $dirty;
2237	}
2238
2239	my $idle = Event->idle (
2240	reentrant => 0,
2241	min => 10,
2242	max => 20,
2243	repeat => 0,
2244	data => WF_AUTOCANCEL,
2245	cb => \&db_sync,
2246	);
2247
2248	sub db_dirty() {
2249	$dirty = 1;
2250	$idle->start;
2251	}
2252
2253	sub db_get($;$) {
2254	@_ >= 2
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} ||= { })
2257	}
2258
2259	sub db_put($$;$) {
2260	if (@_ >= 3) {
2261	$DB->{$_[0]}{$_[1]} = $_[2];
2262	} else {
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},
2273	);
2274	}
2275
2276	#############################################################################
2277	# the server's init and main functions	3106	# the server's init and main functions
2278		3107
2279	sub load_resources {	3108	sub load_facedata($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3109	my ($path) = @_;
		3110
		3111	# HACK to clear player env face cache, we need some signal framework
		3112	# for this (global event?)
		3113	%ext::player_env::MUSIC_FACE_CACHE = ();
		3114
		3115	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3116
		3117	warn "loading facedata from $path\n";
		3118
		3119	my $facedata;
		3120	0 < aio_load $path, $facedata
		3121	or die "$path: $!";
		3122
		3123	$facedata = Coro::Storable::thaw $facedata;
		3124
		3125	$facedata->{version} == 2
		3126	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3127
		3128	# patch in the exptable
		3129	$facedata->{resource}{"res/exp_table"} = {
		3130	type => FT_RSRC,
		3131	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3132	};
		3133	cf::cede_to_tick;
		3134
		3135	{
		3136	my $faces = $facedata->{faceinfo};
		3137
		3138	while (my ($face, $info) = each %$faces) {
		3139	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3140	cf::face::set_visibility $idx, $info->{visibility};
		3141	cf::face::set_magicmap $idx, $info->{magicmap};
		3142	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3143	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3144
		3145	cf::cede_to_tick;
		3146	}
		3147
		3148	while (my ($face, $info) = each %$faces) {
		3149	next unless $info->{smooth};
		3150	my $idx = cf::face::find $face
		3151	or next;
		3152	if (my $smooth = cf::face::find $info->{smooth}) {
		3153	cf::face::set_smooth $idx, $smooth;
		3154	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3155	} else {
		3156	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3157	}
		3158
		3159	cf::cede_to_tick;
		3160	}
		3161	}
		3162
		3163	{
		3164	my $anims = $facedata->{animinfo};
		3165
		3166	while (my ($anim, $info) = each %$anims) {
		3167	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3168	cf::cede_to_tick;
		3169	}
		3170
		3171	cf::anim::invalidate_all; # d'oh
		3172	}
		3173
		3174	{
		3175	# TODO: for gcfclient pleasure, we should give resources
		3176	# that gcfclient doesn't grok a >10000 face index.
		3177	my $res = $facedata->{resource};
		3178
		3179	my $soundconf = delete $res->{"res/sound.conf"};
		3180
		3181	while (my ($name, $info) = each %$res) {
		3182	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3183	my $data;
		3184
		3185	if ($info->{type} & 1) {
		3186	# prepend meta info
		3187
		3188	my $meta = $enc->encode ({
		3189	name => $name,
		3190	%{ $info->{meta} || {} },
		3191	});
		3192
		3193	$data = pack "(w/a*)*", $meta, $info->{data};
		3194	} else {
		3195	$data = $info->{data};
		3196	}
		3197
		3198	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3199	cf::face::set_type $idx, $info->{type};
		3200
		3201	cf::cede_to_tick;
		3202	}
		3203
		3204	if ($soundconf) {
		3205	$soundconf = $enc->decode (delete $soundconf->{data});
		3206
		3207	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3208	my $sound = $soundconf->{compat}[$_]
		3209	or next;
		3210
		3211	my $face = cf::face::find "sound/$sound->[1]";
		3212	cf::sound::set $sound->[0] => $face;
		3213	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3214	}
		3215
		3216	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3217	my $face = cf::face::find "sound/$v";
		3218	cf::sound::set $k => $face;
		3219	}
		3220	}
		3221	}
		3222
		3223	1
		3224	}
		3225
		3226	register_exticmd fx_want => sub {
		3227	my ($ns, $want) = @_;
		3228
		3229	while (my ($k, $v) = each %$want) {
		3230	$ns->fx_want ($k, $v);
		3231	}
		3232	};
		3233
		3234	sub reload_regions {
		3235	# HACK to clear player env face cache, we need some signal framework
		3236	# for this (global event?)
		3237	%ext::player_env::MUSIC_FACE_CACHE = ();
		3238
		3239	load_resource_file "$MAPDIR/regions"
2281	or die "unable to load regions file\n";#d#	3240	or die "unable to load regions file\n";
2282	}
2283		3241
2284	sub cfg_load {	3242	for (cf::region::list) {
		3243	$_->{match} = qr/$_->{match}/
		3244	if exists $_->{match};
		3245	}
		3246	}
		3247
		3248	sub reload_facedata {
		3249	load_facedata "$DATADIR/facedata"
		3250	or die "unable to load facedata\n";
		3251	}
		3252
		3253	sub reload_archetypes {
		3254	load_resource_file "$DATADIR/archetypes"
		3255	or die "unable to load archetypes\n";
		3256	#d# NEED to laod twice to resolve forward references
		3257	# this really needs to be done in an extra post-pass
		3258	# (which needs to be synchronous, so solve it differently)
		3259	load_resource_file "$DATADIR/archetypes"
		3260	or die "unable to load archetypes\n";
		3261	}
		3262
		3263	sub reload_treasures {
		3264	load_resource_file "$DATADIR/treasures"
		3265	or die "unable to load treasurelists\n";
		3266	}
		3267
		3268	sub reload_resources {
		3269	warn "reloading resource files...\n";
		3270
		3271	reload_regions;
		3272	reload_facedata;
		3273	#reload_archetypes;#d#
		3274	reload_archetypes;
		3275	reload_treasures;
		3276
		3277	warn "finished reloading resource files\n";
		3278	}
		3279
		3280	sub init {
		3281	reload_resources;
		3282	}
		3283
		3284	sub reload_config {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	3285	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	3286	or return;
2287		3287
2288	local $/;	3288	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	3289	*CFG = YAML::Syck::Load <$fh>;
2290		3290
…		…
2300	};	3300	};
2301	warn $@ if $@;	3301	warn $@ if $@;
2302	}	3302	}
2303	}	3303	}
2304		3304
2305	sub init {
2306	load_resources;
2307	}
2308
2309	sub main {	3305	sub main {
2310	# we must not ever block the main coroutine	3306	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	3307	local $Coro::idle = sub {
2312	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3308	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2313	(async {	3309	(async {
		3310	$Coro::current->{desc} = "IDLE BUG HANDLER";
2314	Event::one_event;	3311	Event::one_event;
2315	})->prio (Coro::PRIO_MAX);	3312	})->prio (Coro::PRIO_MAX);
2316	};	3313	};
2317		3314
2318	cfg_load;	3315	reload_config;
2319	db_load;	3316	db_init;
2320	load_extensions;	3317	load_extensions;
2321		3318
2322	$TICK_WATCHER->start;	3319	$TICK_WATCHER->start;
2323	Event::loop;	3320	Event::loop;
2324	}	3321	}
…		…
2339	},	3336	},
2340	);	3337	);
2341	}	3338	}
2342	}	3339	}
2343		3340
		3341	sub write_runtime {
		3342	my $runtime = "$LOCALDIR/runtime";
		3343
		3344	# first touch the runtime file to show we are still running:
		3345	# the fsync below can take a very very long time.
		3346
		3347	IO::AIO::aio_utime $runtime, undef, undef;
		3348
		3349	my $guard = cf::lock_acquire "write_runtime";
		3350
		3351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3352	or return;
		3353
		3354	my $value = $cf::RUNTIME + 90 + 10;
		3355	# 10 is the runtime save interval, for a monotonic clock
		3356	# 60 allows for the watchdog to kill the server.
		3357
		3358	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3359	and return;
		3360
		3361	# always fsync - this file is important
		3362	aio_fsync $fh
		3363	and return;
		3364
		3365	# touch it again to show we are up-to-date
		3366	aio_utime $fh, undef, undef;
		3367
		3368	close $fh
		3369	or return;
		3370
		3371	aio_rename "$runtime~", $runtime
		3372	and return;
		3373
		3374	warn "runtime file written.\n";
		3375
		3376	1
		3377	}
		3378
2344	sub emergency_save() {	3379	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	3380	my $freeze_guard = cf::freeze_mainloop;
2346		3381
2347	warn "enter emergency perl save\n";	3382	warn "enter emergency perl save\n";
2348		3383
…		…
2352	# and maps saved/destroyed asynchronously.	3387	# and maps saved/destroyed asynchronously.
2353	warn "begin emergency player save\n";	3388	warn "begin emergency player save\n";
2354	for my $login (keys %cf::PLAYER) {	3389	for my $login (keys %cf::PLAYER) {
2355	my $pl = $cf::PLAYER{$login} or next;	3390	my $pl = $cf::PLAYER{$login} or next;
2356	$pl->valid or next;	3391	$pl->valid or next;
		3392	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2357	$pl->save;	3393	$pl->save;
2358	}	3394	}
2359	warn "end emergency player save\n";	3395	warn "end emergency player save\n";
2360		3396
2361	warn "begin emergency map save\n";	3397	warn "begin emergency map save\n";
…		…
2363	my $map = $cf::MAP{$path} or next;	3399	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	3400	$map->valid or next;
2365	$map->save;	3401	$map->save;
2366	}	3402	}
2367	warn "end emergency map save\n";	3403	warn "end emergency map save\n";
		3404
		3405	warn "begin emergency database checkpoint\n";
		3406	BDB::db_env_txn_checkpoint $DB_ENV;
		3407	warn "end emergency database checkpoint\n";
2368	};	3408	};
2369		3409
2370	warn "leave emergency perl save\n";	3410	warn "leave emergency perl save\n";
2371	}	3411	}
2372		3412
		3413	sub post_cleanup {
		3414	my ($make_core) = @_;
		3415
		3416	warn Carp::longmess "post_cleanup backtrace"
		3417	if $make_core;
		3418	}
		3419
2373	sub reload() {	3420	sub do_reload_perl() {
2374	# can/must only be called in main	3421	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	3422	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	3423	warn "can only reload from main coroutine";
2377	return;	3424	return;
2378	}	3425	}
2379		3426
2380	warn "reloading...";	3427	warn "reloading...";
2381		3428
2382	warn "cancelling server ticker";	3429	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		3430
		3431	cf::sync_job {
		3432	cf::write_runtime; # external watchdog should not bark
2385	cf::emergency_save;	3433	cf::emergency_save;
		3434	cf::write_runtime; # external watchdog should not bark
2386		3435
2387	eval {	3436	warn "syncing database to disk";
		3437	BDB::db_env_txn_checkpoint $DB_ENV;
		3438
2388	# if anything goes wrong in here, we should simply crash as we already saved	3439	# if anything goes wrong in here, we should simply crash as we already saved
2389
2390	warn "syncing database to disk";
2391	cf::db_sync;
2392		3440
2393	warn "cancelling all WF_AUTOCANCEL watchers";	3441	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {	3442	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;	3443	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}	3444	}
2397		3445
2398	warn "flushing outstanding aio requests";	3446	warn "flushing outstanding aio requests";
2399	for (;;) {	3447	for (;;) {
		3448	BDB::flush;
2400	IO::AIO::flush;	3449	IO::AIO::flush;
2401	Coro::cede;	3450	Coro::cede_notself;
2402	last unless IO::AIO::nreqs;	3451	last unless IO::AIO::nreqs || BDB::nreqs;
2403	warn "iterate...";	3452	warn "iterate...";
2404	}	3453	}
		3454
		3455	++$RELOAD;
2405		3456
2406	warn "cancelling all extension coros";	3457	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	3458	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	3459	%EXT_CORO = ();
2409		3460
2410	warn "removing commands";	3461	warn "removing commands";
2411	%COMMAND = ();	3462	%COMMAND = ();
2412		3463
2413	warn "removing ext commands";	3464	warn "removing ext/exti commands";
2414	%EXTCMD = ();	3465	%EXTCMD = ();
		3466	%EXTICMD = ();
2415		3467
2416	warn "unloading/nuking all extensions";	3468	warn "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {	3469	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";	3470	warn "... unloading $pkg";
2419		3471
…		…
2449	Symbol::delete_package "safe::$_"	3501	Symbol::delete_package "safe::$_"
2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3502	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451		3503
2452	warn "unloading cf.pm \"a bit\"";	3504	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3505	delete $INC{"cf.pm"};
		3506	delete $INC{"cf/pod.pm"};
2454		3507
2455	# don't, removes xs symbols, too,	3508	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3509	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3510	#Symbol::delete_package __PACKAGE__;
2458		3511
…		…
2461	warn "reloading cf.pm";	3514	warn "reloading cf.pm";
2462	require cf;	3515	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3516	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		3517
2465	warn "loading config and database again";	3518	warn "loading config and database again";
2466	cf::cfg_load;	3519	cf::reload_config;
2467	cf::db_load;
2468		3520
2469	warn "loading extensions";	3521	warn "loading extensions";
2470	cf::load_extensions;	3522	cf::load_extensions;
2471		3523
2472	warn "reattaching attachments to objects/players";	3524	warn "reattaching attachments to objects/players";
2473	_global_reattach;	3525	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3526	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3527	reattach $_ for values %MAP;
		3528	warn "reattaching attachments to players";
		3529	reattach $_ for values %PLAYER;
2476		3530
2477	warn "loading reloadable resources";	3531	warn "leaving sync_job";
2478	load_resources;
2479		3532
2480	warn "restarting server ticker";	3533	1
2481		3534	} or do {
2482	$TICK_WATCHER->start;
2483	};
2484
2485	if ($@) {
2486	warn $@;	3535	warn $@;
2487	warn "error while reloading, exiting.";	3536	warn "error while reloading, exiting.";
2488	exit 1;	3537	exit 1;
2489	}	3538	};
2490		3539
2491	warn "reloaded";	3540	warn "reloaded";
2492	};	3541	};
2493		3542
2494	our $RELOAD_WATCHER; # used only during reload	3543	our $RELOAD_WATCHER; # used only during reload
2495		3544
		3545	sub reload_perl() {
		3546	# doing reload synchronously and two reloads happen back-to-back,
		3547	# coro crashes during coro_state_free->destroy here.
		3548
		3549	$RELOAD_WATCHER ||= Event->timer (
		3550	reentrant => 0,
		3551	after => 0,
		3552	data => WF_AUTOCANCEL,
		3553	cb => sub {
		3554	do_reload_perl;
		3555	undef $RELOAD_WATCHER;
		3556	},
		3557	);
		3558	}
		3559
2496	register_command "reload" => sub {	3560	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3561	my ($who, $arg) = @_;
2498		3562
2499	if ($who->flag (FLAG_WIZ)) {	3563	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3564	$who->message ("reloading server.");
2501		3565	async {
2502	# doing reload synchronously and two reloads happen back-to-back,	3566	$Coro::current->{desc} = "perl_reload";
2503	# coro crashes during coro_state_free->destroy here.
2504
2505	$RELOAD_WATCHER ||= Event->timer (
2506	reentrant => 0,
2507	after => 0,
2508	data => WF_AUTOCANCEL,
2509	cb => sub {
2510	reload;	3567	reload_perl;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);	3568	};
2514	}	3569	}
2515	};	3570	};
2516		3571
2517	unshift @INC, $LIBDIR;	3572	unshift @INC, $LIBDIR;
2518		3573
2519	my $bug_warning = 0;	3574	my $bug_warning = 0;
		3575
		3576	our @WAIT_FOR_TICK;
		3577	our @WAIT_FOR_TICK_BEGIN;
		3578
		3579	sub wait_for_tick {
		3580	return unless $TICK_WATCHER->is_active;
		3581	return if $Coro::current == $Coro::main;
		3582
		3583	my $signal = new Coro::Signal;
		3584	push @WAIT_FOR_TICK, $signal;
		3585	$signal->wait;
		3586	}
		3587
		3588	sub wait_for_tick_begin {
		3589	return unless $TICK_WATCHER->is_active;
		3590	return if $Coro::current == $Coro::main;
		3591
		3592	my $signal = new Coro::Signal;
		3593	push @WAIT_FOR_TICK_BEGIN, $signal;
		3594	$signal->wait;
		3595	}
2520		3596
2521	$TICK_WATCHER = Event->timer (	3597	$TICK_WATCHER = Event->timer (
2522	reentrant => 0,	3598	reentrant => 0,
2523	parked => 1,	3599	parked => 1,
2524	prio => 0,	3600	prio => 0,
…		…
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3605	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	3606	unless ++$bug_warning > 10;
2531	return;	3607	return;
2532	}	3608	}
2533		3609
2534	$NOW = Event::time;	3610	$NOW = $tick_start = Event::time;
2535		3611
2536	cf::server_tick; # one server iteration	3612	cf::server_tick; # one server iteration
		3613
2537	$RUNTIME += $TICK;	3614	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;	3615	$NEXT_TICK += $TICK;
2539		3616
2540	$WAIT_FOR_TICK->broadcast;	3617	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3618	$NEXT_RUNTIME_WRITE = $NOW + 10;
2542		3619	Coro::async_pool {
2543	Event::sweep;	3620	$Coro::current->{desc} = "runtime saver";
2544	Coro::cede_notself;	3621	write_runtime
		3622	or warn "ERROR: unable to write runtime file: $!";
		3623	};
2545		3624	}
2546	# my $AFTER = Event::time;	3625
2547	# warn $AFTER - $NOW;#d#	3626	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3627	$sig->send;
		3628	}
		3629	while (my $sig = shift @WAIT_FOR_TICK) {
		3630	$sig->send;
		3631	}
		3632
		3633	$NOW = Event::time;
2548		3634
2549	# if we are delayed by four ticks or more, skip them all	3635	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3636	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2551		3637
2552	$TICK_WATCHER->at ($NEXT_TICK);	3638	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;	3639	$TICK_WATCHER->start;
		3640
		3641	$LOAD = ($NOW - $tick_start) / $TICK;
		3642	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3643
		3644	_post_tick;
2554	},	3645	},
2555	);	3646	);
2556		3647
		3648	{
		3649	BDB::min_parallel 8;
		3650	BDB::max_poll_time $TICK * 0.1;
		3651	$BDB_POLL_WATCHER = Event->io (
		3652	reentrant => 0,
		3653	fd => BDB::poll_fileno,
		3654	poll => 'r',
		3655	prio => 0,
		3656	data => WF_AUTOCANCEL,
		3657	cb => \&BDB::poll_cb,
		3658	);
		3659
		3660	BDB::set_sync_prepare {
		3661	my $status;
		3662	my $current = $Coro::current;
		3663	(
		3664	sub {
		3665	$status = $!;
		3666	$current->ready; undef $current;
		3667	},
		3668	sub {
		3669	Coro::schedule while defined $current;
		3670	$! = $status;
		3671	},
		3672	)
		3673	};
		3674
		3675	unless ($DB_ENV) {
		3676	$DB_ENV = BDB::db_env_create;
		3677	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3678	| BDB::LOG_AUTOREMOVE, 1);
		3679	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3680	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3681
		3682	cf::sync_job {
		3683	eval {
		3684	BDB::db_env_open
		3685	$DB_ENV,
		3686	$BDBDIR,
		3687	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3688	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3689	0666;
		3690
		3691	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3692	};
		3693
		3694	cf::cleanup "db_env_open(db): $@" if $@;
		3695	};
		3696	}
		3697
		3698	$BDB_DEADLOCK_WATCHER = Event->timer (
		3699	after => 3,
		3700	interval => 1,
		3701	hard => 1,
		3702	prio => 0,
		3703	data => WF_AUTOCANCEL,
		3704	cb => sub {
		3705	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3706	},
		3707	);
		3708	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3709	after => 11,
		3710	interval => 60,
		3711	hard => 1,
		3712	prio => 0,
		3713	data => WF_AUTOCANCEL,
		3714	cb => sub {
		3715	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3716	},
		3717	);
		3718	$BDB_TRICKLE_WATCHER = Event->timer (
		3719	after => 5,
		3720	interval => 10,
		3721	hard => 1,
		3722	prio => 0,
		3723	data => WF_AUTOCANCEL,
		3724	cb => sub {
		3725	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3726	},
		3727	);
		3728	}
		3729
		3730	{
		3731	IO::AIO::min_parallel 8;
		3732
		3733	undef $Coro::AIO::WATCHER;
2557	IO::AIO::max_poll_time $TICK * 0.1;	3734	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (	3735	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,	3736	reentrant => 0,
		3737	data => WF_AUTOCANCEL,
2562	fd => IO::AIO::poll_fileno,	3738	fd => IO::AIO::poll_fileno,
2563	poll => 'r',	3739	poll => 'r',
2564	prio => 6,	3740	prio => 0,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,	3741	cb => \&IO::AIO::poll_cb,
2567	);	3742	);
		3743	}
2568		3744
2569	$WRITE_RUNTIME_WATCHER = Event->timer (	3745	my $_log_backtrace;
2570	reentrant => 0,	3746
2571	data => WF_AUTOCANCEL,	3747	sub _log_backtrace {
2572	after => 1,	3748	my ($msg, @addr) = @_;
2573	interval => 10,	3749
2574	prio => 6, # keep it lowest so it acts like a watchdog	3750	$msg =~ s/\n//;
2575	cb => Coro::unblock_sub {	3751
2576	write_runtime	3752	# limit the # of concurrent backtraces
2577	or warn "ERROR: unable to write runtime file: $!";	3753	if ($_log_backtrace < 2) {
		3754	++$_log_backtrace;
		3755	async {
		3756	$Coro::current->{desc} = "abt $msg";
		3757
		3758	my @bt = fork_call {
		3759	@addr = map { sprintf "%x", $_ } @addr;
		3760	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3761	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3762	or die "addr2line: $!";
		3763
		3764	my @funcs;
		3765	my @res = <$fh>;
		3766	chomp for @res;
		3767	while (@res) {
		3768	my ($func, $line) = splice @res, 0, 2, ();
		3769	push @funcs, "[$func] $line";
		3770	}
		3771
		3772	@funcs
		3773	};
		3774
		3775	LOG llevInfo, "[ABT] $msg\n";
		3776	LOG llevInfo, "[ABT] $_\n" for @bt;
		3777	--$_log_backtrace;
		3778	};
		3779	} else {
		3780	LOG llevInfo, "[ABT] $msg\n";
		3781	LOG llevInfo, "[ABT] [suppressed]\n";
2578	},	3782	}
2579	);	3783	}
		3784
		3785	# load additional modules
		3786	use cf::pod;
2580		3787
2581	END { cf::emergency_save }	3788	END { cf::emergency_save }
2582		3789
2583	1	3790	1
2584		3791

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