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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 1.391 by root, Fri Oct 26 04:22:05 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	(?:
		1558	\ (.*?)\ (?{ $group = $^N })
		1559	| < (??{$interior}) >
		1560	)
		1561	}x;
		1562
		1563	sub expand_cfpod {
		1564	my ($self, $pod) = @_;
		1565
		1566	my $xml;
		1567
		1568	while () {
		1569	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?=[^<]) )+ )/xgcs) {
		1570	$group = $1;
		1571
		1572	$group =~ s/&/&amp;/g;
		1573	$group =~ s/</&lt;/g;
		1574
		1575	$xml .= $group;
		1576	} elsif ($pod =~ m%\G
		1577	([BCGHITU])
		1578	<
		1579	(?:
		1580	([^<>]*) (?{ $group = $^N })
		1581	| < $interior >
		1582	)
		1583	>
		1584	%gcsx
		1585	) {
		1586	my ($code, $data) = ($1, $group);
		1587
		1588	if ($code eq "B") {
		1589	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1590	} elsif ($code eq "I") {
		1591	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1592	} elsif ($code eq "U") {
		1593	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1594	} elsif ($code eq "C") {
		1595	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1596	} elsif ($code eq "T") {
		1597	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1598	} elsif ($code eq "G") {
		1599	my ($male, $female) = split /\|/, $data;
		1600	$data = $self->gender ? $female : $male;
		1601	$xml .= expand_cfpod ($self, $data);
		1602	} elsif ($code eq "H") {
		1603	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1604	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1605	"")
		1606	[$self->{hintmode}];
		1607	} else {
		1608	$xml .= "error processing '$code($data)' directive";
		1609	}
		1610	} else {
		1611	if ($pod =~ /\G(.+)/) {
		1612	warn "parse error while expanding $pod (at $1)";
		1613	}
		1614	last;
		1615	}
		1616	}
		1617
		1618	for ($xml) {
		1619	# create single paragraphs (very hackish)
		1620	s/(?<=\S)\n(?=\w)/ /g;
		1621
		1622	# compress some whitespace
		1623	s/\s+\n/\n/g; # ws line-ends
		1624	s/\n\n+/\n/g; # double lines
		1625	s/^\n+//; # beginning lines
		1626	s/\n+$//; # ending lines
		1627	}
		1628
		1629	$xml
		1630	}
		1631
		1632	sub hintmode {
		1633	$_[0]{hintmode} = $_[1] if @_ > 1;
		1634	$_[0]{hintmode}
		1635	}
		1636
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1637	=item $player->ext_reply ($msgid, @msg)
1105		1638
1106	Sends an ext reply to the player.	1639	Sends an ext reply to the player.
1107		1640
1108	=cut	1641	=cut
1109		1642
1110	sub ext_reply($$$%) {	1643	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1644	my ($self, $id, @msg) = @_;
1112		1645
1113	$msg{msgid} = $id;	1646	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1647	}
1117		1648
1118	package cf;	1649	=item $player->ext_msg ($type, @msg)
		1650
		1651	Sends an ext event to the client.
		1652
		1653	=cut
		1654
		1655	sub ext_msg($$@) {
		1656	my ($self, $type, @msg) = @_;
		1657
		1658	$self->ns->ext_msg ($type, @msg);
		1659	}
		1660
		1661	=head3 cf::region
		1662
		1663	=over 4
		1664
		1665	=cut
		1666
		1667	package cf::region;
		1668
		1669	=item cf::region::find_by_path $path
		1670
		1671	Tries to decuce the likely region for a map knowing only its path.
		1672
		1673	=cut
		1674
		1675	sub find_by_path($) {
		1676	my ($path) = @_;
		1677
		1678	my ($match, $specificity);
		1679
		1680	for my $region (list) {
		1681	if ($region->{match} && $path =~ $region->{match}) {
		1682	($match, $specificity) = ($region, $region->specificity)
		1683	if $region->specificity > $specificity;
		1684	}
		1685	}
		1686
		1687	$match
		1688	}
1119		1689
1120	=back	1690	=back
1121
1122		1691
1123	=head3 cf::map	1692	=head3 cf::map
1124		1693
1125	=over 4	1694	=over 4
1126		1695
…		…
1181	my ($self, $merge) = @_;	1750	my ($self, $merge) = @_;
1182		1751
1183	# we have to keep some variables in memory intact	1752	# we have to keep some variables in memory intact
1184	local $self->{path};	1753	local $self->{path};
1185	local $self->{load_path};	1754	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1755
1189	$self->SUPER::thawer_merge ($merge);	1756	$self->SUPER::thawer_merge ($merge);
1190	}	1757	}
1191		1758
1192	sub normalise {	1759	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1240	return $self;	1807	return $self;
1241	}	1808	}
1242	}	1809	}
1243		1810
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1812	()
1246	}	1813	}
1247		1814
1248	sub init {	1815	sub init {
1249	my ($self) = @_;	1816	my ($self) = @_;
…		…
1264		1831
1265	# the original (read-only) location	1832	# the original (read-only) location
1266	sub load_path {	1833	sub load_path {
1267	my ($self) = @_;	1834	my ($self) = @_;
1268		1835
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1836	"$MAPDIR/$self->{path}.map"
1270	}	1837	}
1271		1838
1272	# the temporary/swap location	1839	# the temporary/swap location
1273	sub save_path {	1840	sub save_path {
1274	my ($self) = @_;	1841	my ($self) = @_;
1275		1842
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1844	"$TMPDIR/$path.map"
1278	}	1845	}
1279		1846
1280	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1281	sub uniq_path {	1848	sub uniq_path {
1282	my ($self) = @_;	1849	my ($self) = @_;
1283		1850
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1852	"$UNIQUEDIR/$path"
1286	}	1853	}
1287		1854
1288	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1289	# all maps in C++...	1856	# all maps in C++...
1290	sub change_all_map_light {	1857	sub change_all_map_light {
…		…
1292		1859
1293	$_->change_map_light ($change)	1860	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1861	for grep $_->outdoor, values %cf::MAP;
1295	}	1862	}
1296		1863
		1864	sub decay_objects {
		1865	my ($self) = @_;
		1866
		1867	return if $self->{deny_reset};
		1868
		1869	$self->do_decay_objects;
		1870	}
		1871
1297	sub unlink_save {	1872	sub unlink_save {
1298	my ($self) = @_;	1873	my ($self) = @_;
1299		1874
1300	utf8::encode (my $save = $self->save_path);	1875	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1876	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1877	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	}	1878	}
1309		1879
1310	sub load_header_from($) {	1880	sub load_header_from($) {
1311	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1312		1882
1313	utf8::encode $path;	1883	utf8::encode $path;
1314	#aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1315	# or return;
1316
1317	$self->_load_header ($path)
1318	or return;	1885	or return;
		1886
		1887	$self->_load_header ($f)
		1888	or return;
		1889
		1890	local $MAP_LOADING{$self->{path}} = $self;
		1891	$f->resolve_delayed_derefs;
1319		1892
1320	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1321		1894
1322	1	1895	1
1323	}	1896	}
…		…
1362	$self->load_header_orig	1935	$self->load_header_orig
1363	or return;	1936	or return;
1364	$self->prepare_orig;	1937	$self->prepare_orig;
1365	}	1938	}
1366		1939
		1940	$self->{deny_reset} = 1
		1941	if $self->no_reset;
		1942
		1943	$self->default_region (cf::region::find_by_path $self->{path})
		1944	unless $self->default_region;
		1945
1367	1	1946	1
1368	}	1947	}
1369		1948
1370	sub find;	1949	sub find;
1371	sub find {	1950	sub find {
1372	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1373		1952
1374	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1375		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1376	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1377		1957
1378	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
1379	my $guard = cf::lock_acquire "map_find:$path";	1959	my $guard1 = cf::lock_acquire "map_find:$path";
		1960	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1961
1380	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1381	or return;	1963	or return;
1382		1964
1383	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1384		1966
1385	$map->load_header	1967	$map->load_header
1386	or return;	1968	or return;
1387		1969
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard1;
		1974	undef $guard2;
1391	$map->reset;	1975	$map->reset;
1392	undef $guard;
1393	return find $path;	1976	return find $path;
1394	}	1977	}
1395		1978
1396	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1397	}	1980	}
…		…
1404	my ($self) = @_;	1987	my ($self) = @_;
1405		1988
1406	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1407		1990
1408	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1409	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1410		1995
		1996	return unless $self->valid;
1411	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1412		1998
1413	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1414		2000
1415	$self->alloc;	2001	$self->alloc;
1416		2002
1417	$self->pre_load;	2003	$self->pre_load;
		2004	cf::cede_to_tick;
1418		2005
1419	$self->_load_objects ($self->{load_path}, 1)	2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
		2008	$self->_load_objects ($f)
1420	or return;	2009	or return;
1421		2010
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	2012	if delete $self->{load_original};
1424		2013
1425	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	2015	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	2018	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1430	}	2022	}
1431	}	2023	}
1432		2024
1433	Coro::cede;	2025	$f->resolve_delayed_derefs;
1434		2026
		2027	cf::cede_to_tick;
1435	# now do the right thing for maps	2028	# now do the right thing for maps
1436	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1437
1438	unless ($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)	2030	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	2031	unless $self->difficulty;
1446	Coro::cede;	2032	cf::cede_to_tick;
		2033
		2034	unless ($self->{deny_activate}) {
		2035	$self->decay_objects;
		2036	$self->fix_auto_apply;
		2037	$self->update_buttons;
		2038	cf::cede_to_tick;
		2039	$self->set_darkness_map;
		2040	cf::cede_to_tick;
1447	$self->activate;	2041	$self->activate;
		2042	}
		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
		2047	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	2048	}
1449		2049
1450	$self->post_load;	2050	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	2051	}
1454		2052
1455	sub customise_for {	2053	sub customise_for {
1456	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1457		2055
1458	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	2057	if $self->per_player;
1460		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1461	$self	2062	$self
1462	}	2063	}
1463		2064
1464	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1465	sub load_diag {	2066	sub load_neighbours {
1466	my ($map) = @_;	2067	my ($map) = @_;
1467		2068
1468	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1469		2070
1470	for (0 .. 3) {	2071	for (0 .. 3) {
1471	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1472	or next;	2073	or next;
1473	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1474	or next;	2075	or next;
1475	$neigh->load;	2076	$neigh->load;
1476		2077
		2078	push @neigh,
1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1479	}	2081	}
1480		2082
1481	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1482	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1483	or next;	2086	or next;
1484	$neigh->load;	2087	$neigh->load;
1485	}	2088	}
1486	}	2089	}
1487		2090
…		…
1492	}	2095	}
1493		2096
1494	sub do_load_sync {	2097	sub do_load_sync {
1495	my ($map) = @_;	2098	my ($map) = @_;
1496		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1497	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1498	}	2104	}
1499		2105
1500	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1501	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1502		2108
1503	sub find_async {	2109	sub find_async {
1504	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1505		2111
1506	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1507		2113
1508	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1510	}	2116	}
1511		2117
1512	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1513	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1514	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1516	my $map = find $path	2125	if (my $map = find $k) {
1517	or next;
1518	$map->load;	2126	$map->load if $v;
		2127	}
1519		2128
1520	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1521	}	2130	}
1522	}	2131	}
1523	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1524	};	2133	};
1525	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1528	}	2137	}
1529		2138
1530	sub save {	2139	sub save {
1531	my ($self) = @_;	2140	my ($self) = @_;
1532		2141
1533	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1534		2143
1535	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1536		2145
1537	return unless $self->dirty;	2146	return unless $self->dirty;
1538		2147
…		…
1544	return if $self->{deny_save};	2153	return if $self->{deny_save};
1545		2154
1546	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1547		2156
1548	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1549	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1550	};	2160	};
1551		2161
1552	if ($uniq) {	2162	if ($uniq) {
1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1561	my ($self) = @_;	2171	my ($self) = @_;
1562		2172
1563	# save first because save cedes	2173	# save first because save cedes
1564	$self->save;	2174	$self->save;
1565		2175
1566	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
1567		2177
1568	return if $self->players;	2178	return if $self->players;
1569	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_IN_MEMORY;
1570	return if $self->{deny_save};	2180	return if $self->{deny_save};
1571		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
1572	$self->clear;	2186	$self->clear;
1573	$self->in_memory (cf::MAP_SWAPPED);
1574	}	2187	}
1575		2188
1576	sub reset_at {	2189	sub reset_at {
1577	my ($self) = @_;	2190	my ($self) = @_;
1578		2191
1579	# TODO: safety, remove and allow resettable per-player maps	2192	# 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};	2193	return 1e99 if $self->{deny_reset};
1582		2194
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2195	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2196	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		2197
…		…
1596	my ($self) = @_;	2208	my ($self) = @_;
1597		2209
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2211
1600	return if $self->players;	2212	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2213
1603	warn "resetting map ", $self->path;#d#	2214	warn "resetting map ", $self->path;
		2215
		2216	$self->in_memory (cf::MAP_SWAPPED);
		2217
		2218	# need to save uniques path
		2219	unless ($self->{deny_save}) {
		2220	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2221
		2222	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2223	if $uniq;
		2224	}
1604		2225
1605	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
1606		2227
1607	$self->in_memory (cf::MAP_SWAPPED);	2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2230	$self->clear;
1609
1610	$_->clear_links_to ($self) for values %cf::MAP;
1611		2231
1612	$self->unlink_save;	2232	$self->unlink_save;
1613	$self->destroy;	2233	$self->destroy;
1614	}	2234	}
1615		2235
1616	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
1617		2237
1618	sub nuke {	2238	sub nuke {
1619	my ($self) = @_;	2239	my ($self) = @_;
1620		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
1621	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1622		2245
1623	$self->unlink_save;	2246	$self->unlink_save;
1624		2247
1625	bless $self, "cf::map";	2248	bless $self, "cf::map";
1626	delete $self->{deny_reset};	2249	delete $self->{deny_reset};
1627	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
1628	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1630		2253
1631	$cf::MAP{$self->path} = $self;	2254	$cf::MAP{$self->path} = $self;
		2255	}
1632		2256
1633	$self->reset; # polite request, might not happen	2257	$self->reset; # polite request, might not happen
		2258	}
		2259
		2260	=item $maps = cf::map::tmp_maps
		2261
		2262	Returns an arrayref with all map paths of currently instantiated and saved
		2263	maps. May block.
		2264
		2265	=cut
		2266
		2267	sub tmp_maps() {
		2268	[
		2269	map {
		2270	utf8::decode $_;
		2271	/\.map$/
		2272	? normalise $_
		2273	: ()
		2274	} @{ aio_readdir $TMPDIR or [] }
		2275	]
		2276	}
		2277
		2278	=item $maps = cf::map::random_maps
		2279
		2280	Returns an arrayref with all map paths of currently instantiated and saved
		2281	random maps. May block.
		2282
		2283	=cut
		2284
		2285	sub random_maps() {
		2286	[
		2287	map {
		2288	utf8::decode $_;
		2289	/\.map$/
		2290	? normalise "?random/$_"
		2291	: ()
		2292	} @{ aio_readdir $RANDOMDIR or [] }
		2293	]
1634	}	2294	}
1635		2295
1636	=item cf::map::unique_maps	2296	=item cf::map::unique_maps
1637		2297
1638	Returns an arrayref of paths of all shared maps that have	2298	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2299	instantiated unique items. May block.
1640		2300
1641	=cut	2301	=cut
1642		2302
1643	sub unique_maps() {	2303	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2304	[
1645	or return;	2305	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2306	utf8::decode $_;
1651	next if /\.pst$/;	2307	/\.map$/
1652	next unless /^$PATH_SEP/o;	2308	? normalise $_
1653		2309	: ()
1654	push @paths, cf::map::normalise $_;	2310	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2311	]
1656
1657	\@paths
1658	}	2312	}
1659		2313
1660	package cf;	2314	package cf;
1661		2315
1662	=back	2316	=back
…		…
1680	map { $_, inv_recursive_ $_->inv } @_	2334	map { $_, inv_recursive_ $_->inv } @_
1681	}	2335	}
1682		2336
1683	sub inv_recursive {	2337	sub inv_recursive {
1684	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
		2339	}
		2340
		2341	=item $ref = $ob->ref
		2342
		2343	creates and returns a persistent reference to an objetc that can be stored as a string.
		2344
		2345	=item $ob = cf::object::deref ($refstring)
		2346
		2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2348	even if the object actually exists. May block.
		2349
		2350	=cut
		2351
		2352	sub deref {
		2353	my ($ref) = @_;
		2354
		2355	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2356	my ($uuid, $name) = ($1, $2);
		2357	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2358	or return;
		2359	$pl->ob->uuid eq $uuid
		2360	or return;
		2361
		2362	$pl->ob
		2363	} else {
		2364	warn "$ref: cannot resolve object reference\n";
		2365	undef
		2366	}
1685	}	2367	}
1686		2368
1687	package cf;	2369	package cf;
1688		2370
1689	=back	2371	=back
…		…
1708		2390
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2391	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2392
1711	if ($self->{record_replies}) {	2393	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2394	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2395
1713	} else {	2396	} else {
		2397	my $pl = $self->contr;
		2398
		2399	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2400	my $dialog = $pl->{npc_dialog};
		2401	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2402
		2403	} else {
1714	$msg = $npc->name . " says: $msg" if $npc;	2404	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2405	$self->message ($msg, $flags);
		2406	}
1716	}	2407	}
		2408	}
		2409
		2410	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2411
		2412	=cut
		2413
		2414	sub cf::object::send_msg {
		2415	my $pl = shift->contr
		2416	or return;
		2417	$pl->send_msg (@_);
1717	}	2418	}
1718		2419
1719	=item $player_object->may ("access")	2420	=item $player_object->may ("access")
1720		2421
1721	Returns wether the given player is authorized to access resource "access"	2422	Returns wether the given player is authorized to access resource "access"
…		…
1768	$self->deactivate_recursive;	2469	$self->deactivate_recursive;
1769		2470
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2471	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2472
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2473	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2474	if $self->map && $self->map->{path} ne "{link}";
1774		2475
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2476	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	2477	}
1777		2478
1778	sub cf::object::player::leave_link {	2479	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2480	my ($self, $map, $x, $y) = @_;
		2481
		2482	return unless $self->contr->active;
1780		2483
1781	my $link_pos = delete $self->{_link_pos};	2484	my $link_pos = delete $self->{_link_pos};
1782		2485
1783	unless ($map) {	2486	unless ($map) {
1784	# restore original map position	2487	# restore original map position
…		…
1798	# use -1 or undef as default coordinates, not 0, 0	2501	# use -1 or undef as default coordinates, not 0, 0
1799	($x, $y) = ($map->enter_x, $map->enter_y)	2502	($x, $y) = ($map->enter_x, $map->enter_y)
1800	if $x <=0 && $y <= 0;	2503	if $x <=0 && $y <= 0;
1801		2504
1802	$map->load;	2505	$map->load;
1803	$map->load_diag;	2506	$map->load_neighbours;
1804		2507
1805	return unless $self->contr->active;	2508	return unless $self->contr->active;
1806	$self->activate_recursive;	2509	$self->activate_recursive;
		2510
		2511	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	2512	$self->enter_map ($map, $x, $y);
1808	}	2513	}
1809		2514
1810	cf::player->attach (	2515	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1811	on_logout => sub {
1812	my ($pl) = @_;
1813		2516
1814	# abort map switching before logout	2517	Moves the player to the given map-path and coordinates by first freezing
1815	if ($pl->ob->{_link_pos}) {	2518	her, loading and preparing them map, calling the provided $check callback
1816	cf::sync_job {	2519	that has to return the map if sucecssful, and then unfreezes the player on
1817	$pl->ob->leave_link	2520	the new (success) or old (failed) map position. In either case, $done will
1818	};	2521	be called at the end of this process.
1819	}
1820	},
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2522
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	2523	=cut
		2524
		2525	our $GOTOGEN;
1845		2526
1846	sub cf::object::player::goto {	2527	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	2528	my ($self, $path, $x, $y, $check, $done) = @_;
		2529
		2530	# do generation counting so two concurrent goto's will be executed in-order
		2531	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		2532
1849	$self->enter_link;	2533	$self->enter_link;
1850		2534
1851	(async {	2535	(async {
		2536	$Coro::current->{desc} = "player::goto $path $x $y";
		2537
		2538	# *tag paths override both path and x|y
		2539	if ($path =~ /^\*(.*)$/) {
		2540	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2541	my $ob = $obs[rand @obs];
		2542
		2543	# see if we actually can go there
		2544	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2545	$ob = $obs[rand @obs];
		2546	} else {
		2547	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2548	}
		2549	# else put us there anyways for now #d#
		2550
		2551	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2552	} else {
		2553	($path, $x, $y) = (undef, undef, undef);
		2554	}
		2555	}
		2556
1852	my $map = eval {	2557	my $map = eval {
1853	my $map = cf::map::find $path;	2558	my $map = defined $path ? cf::map::find $path : undef;
		2559
		2560	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	2561	$map = $map->customise_for ($self);
		2562	$map = $check->($map) if $check && $map;
		2563	} else {
		2564	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2565	}
		2566
1855	$map	2567	$map
		2568	};
		2569
		2570	if ($@) {
		2571	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2572	LOG llevError | logBacktrace, Carp::longmess $@;
1856	} or	2573	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2574
		2575	if ($gen == $self->{_goto_generation}) {
		2576	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2577	$self->leave_link ($map, $x, $y);
		2578	}
		2579
		2580	$done->() if $done;
1860	})->prio (1);	2581	})->prio (1);
1861	}	2582	}
1862		2583
1863	=item $player_object->enter_exit ($exit_object)	2584	=item $player_object->enter_exit ($exit_object)
1864		2585
…		…
1903		2624
1904	$rmp->{random_seed} ||= $exit->random_seed;	2625	$rmp->{random_seed} ||= $exit->random_seed;
1905		2626
1906	my $data = cf::to_json $rmp;	2627	my $data = cf::to_json $rmp;
1907	my $md5 = Digest::MD5::md5_hex $data;	2628	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2629	my $meta = "$RANDOMDIR/$md5.meta";
1909		2630
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2631	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2632	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2633	undef $fh;
1913	aio_rename "$meta~", $meta;	2634	aio_rename "$meta~", $meta;
…		…
1922		2643
1923	return unless $self->type == cf::PLAYER;	2644	return unless $self->type == cf::PLAYER;
1924		2645
1925	if ($exit->slaying eq "/!") {	2646	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job	2647	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2648	# the problem is that $exit might not survive long enough
		2649	# so it needs to be done right now, right here
1927	cf::sync_job { prepare_random_map $exit };	2650	cf::sync_job { prepare_random_map $exit };
1928	}	2651	}
1929		2652
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2653	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;	2654	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;	2655	my $sp = $exit->stats->sp;
1933		2656
1934	$self->enter_link;	2657	$self->enter_link;
1935		2658
		2659	# if exit is damned, update players death & WoR home-position
		2660	$self->contr->savebed ($slaying, $hp, $sp)
		2661	if $exit->flag (FLAG_DAMNED);
		2662
1936	(async {	2663	(async {
		2664	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2665
1937	$self->deactivate_recursive; # just to be sure	2666	$self->deactivate_recursive; # just to be sure
1938	unless (eval {	2667	unless (eval {
1939	$self->goto ($slaying, $hp, $sp);	2668	$self->goto ($slaying, $hp, $sp);
1940		2669
1941	1;	2670	1;
1942	}) {	2671	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2672	$self->message ("Something went wrong deep within the crossfire server. "
1944	. "I'll try to bring you back to the map you were before. "	2673	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2674	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2675	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2676
1948	warn "ERROR in enter_exit: $@";	2677	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2678	$self->leave_link;
1950	}	2679	}
1951	})->prio (1);	2680	})->prio (1);
…		…
1964		2693
1965	sub cf::client::send_drawinfo {	2694	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2695	my ($self, $text, $flags) = @_;
1967		2696
1968	utf8::encode $text;	2697	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2698	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2699	}
1971		2700
		2701	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2702
		2703	Send a drawinfo or msg packet to the client, formatting the msg for the
		2704	client if neccessary. C<$type> should be a string identifying the type of
		2705	the message, with C<log> being the default. If C<$color> is negative, suppress
		2706	the message unless the client supports the msg packet.
		2707
		2708	=cut
		2709
		2710	# non-persistent channels (usually the info channel)
		2711	our %CHANNEL = (
		2712	"c/identify" => {
		2713	id => "infobox",
		2714	title => "Identify",
		2715	reply => undef,
		2716	tooltip => "Items recently identified",
		2717	},
		2718	"c/examine" => {
		2719	id => "infobox",
		2720	title => "Examine",
		2721	reply => undef,
		2722	tooltip => "Signs and other items you examined",
		2723	},
		2724	"c/book" => {
		2725	id => "infobox",
		2726	title => "Book",
		2727	reply => undef,
		2728	tooltip => "The contents of a note or book",
		2729	},
		2730	"c/lookat" => {
		2731	id => "infobox",
		2732	title => "Look",
		2733	reply => undef,
		2734	tooltip => "What you saw there",
		2735	},
		2736	"c/who" => {
		2737	id => "infobox",
		2738	title => "Players",
		2739	reply => undef,
		2740	tooltip => "Shows players who are currently online",
		2741	},
		2742	"c/body" => {
		2743	id => "infobox",
		2744	title => "Body Parts",
		2745	reply => undef,
		2746	tooltip => "Shows which body parts you posess and are available",
		2747	},
		2748	"c/uptime" => {
		2749	id => "infobox",
		2750	title => "Uptime",
		2751	reply => undef,
		2752	tooltip => "How long the server has been running since last restart",
		2753	},
		2754	"c/mapinfo" => {
		2755	id => "infobox",
		2756	title => "Map Info",
		2757	reply => undef,
		2758	tooltip => "Information related to the maps",
		2759	},
		2760	);
		2761
		2762	sub cf::client::send_msg {
		2763	my ($self, $channel, $msg, $color, @extra) = @_;
		2764
		2765	$msg = $self->pl->expand_cfpod ($msg);
		2766
		2767	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2768
		2769	# check predefined channels, for the benefit of C
		2770	if ($CHANNEL{$channel}) {
		2771	$channel = $CHANNEL{$channel};
		2772
		2773	$self->ext_msg (channel_info => $channel)
		2774	if $self->can_msg;
		2775
		2776	$channel = $channel->{id};
		2777
		2778	} elsif (ref $channel) {
		2779	# send meta info to client, if not yet sent
		2780	unless (exists $self->{channel}{$channel->{id}}) {
		2781	$self->{channel}{$channel->{id}} = $channel;
		2782	$self->ext_msg (channel_info => $channel)
		2783	if $self->can_msg;
		2784	}
		2785
		2786	$channel = $channel->{id};
		2787	}
		2788
		2789	return unless @extra || length $msg;
		2790
		2791	if ($self->can_msg) {
		2792	# default colour, mask it out
		2793	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2794	if $color & cf::NDI_DEF;
		2795
		2796	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2797	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2798	} else {
		2799	if ($color >= 0) {
		2800	# replace some tags by gcfclient-compatible ones
		2801	for ($msg) {
		2802	1 while
		2803	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2804	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2805	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2806	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2807	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2808	}
		2809
		2810	$color &= cf::NDI_COLOR_MASK;
		2811
		2812	utf8::encode $msg;
		2813
		2814	if (0 && $msg =~ /\[/) {
		2815	# COMMAND/INFO
		2816	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2817	} else {
		2818	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2819	$self->send_packet ("drawinfo $color $msg")
		2820	}
		2821	}
		2822	}
		2823	}
		2824
		2825	=item $client->ext_msg ($type, @msg)
		2826
		2827	Sends an ext event to the client.
		2828
		2829	=cut
		2830
		2831	sub cf::client::ext_msg($$@) {
		2832	my ($self, $type, @msg) = @_;
		2833
		2834	if ($self->extcmd == 2) {
		2835	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2836	} elsif ($self->extcmd == 1) { # TODO: remove
		2837	push @msg, msgtype => "event_$type";
		2838	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2839	}
		2840	}
		2841
		2842	=item $client->ext_reply ($msgid, @msg)
		2843
		2844	Sends an ext reply to the client.
		2845
		2846	=cut
		2847
		2848	sub cf::client::ext_reply($$@) {
		2849	my ($self, $id, @msg) = @_;
		2850
		2851	if ($self->extcmd == 2) {
		2852	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2853	} elsif ($self->extcmd == 1) {
		2854	#TODO: version 1, remove
		2855	unshift @msg, msgtype => "reply", msgid => $id;
		2856	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2857	}
		2858	}
1972		2859
1973	=item $success = $client->query ($flags, "text", \&cb)	2860	=item $success = $client->query ($flags, "text", \&cb)
1974		2861
1975	Queues a query to the client, calling the given callback with	2862	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>,	2863	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>.	2864	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1978		2865
1979	Queries can fail, so check the return code. Or don't, as queries will become	2866	Queries can fail, so check the return code. Or don't, as queries will
1980	reliable at some point in the future.	2867	become reliable at some point in the future.
1981		2868
1982	=cut	2869	=cut
1983		2870
1984	sub cf::client::query {	2871	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	2872	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	2880	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2881	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		2882
1996	$self->send_packet ($self->{query_queue}[0][0])	2883	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	2884	if @{ $self->{query_queue} } == 1;
		2885
		2886	1
1998	}	2887	}
1999		2888
2000	cf::client->attach (	2889	cf::client->attach (
		2890	on_connect => sub {
		2891	my ($ns) = @_;
		2892
		2893	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2894	},
2001	on_reply => sub {	2895	on_reply => sub {
2002	my ($ns, $msg) = @_;	2896	my ($ns, $msg) = @_;
2003		2897
2004	# this weird shuffling is so that direct followup queries	2898	# this weird shuffling is so that direct followup queries
2005	# get handled first	2899	# get handled first
…		…
2017	} else {	2911	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2912	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	2913	}
2020	}	2914	}
2021	},	2915	},
		2916	on_exticmd => sub {
		2917	my ($ns, $buf) = @_;
		2918
		2919	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2920
		2921	if (ref $msg) {
		2922	my ($type, $reply, @payload) =
		2923	"ARRAY" eq ref $msg
		2924	? @$msg
		2925	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2926
		2927	my @reply;
		2928
		2929	if (my $cb = $EXTICMD{$type}) {
		2930	@reply = $cb->($ns, @payload);
		2931	}
		2932
		2933	$ns->ext_reply ($reply, @reply)
		2934	if $reply;
		2935
		2936	} else {
		2937	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2938	}
		2939
		2940	cf::override;
		2941	},
2022	);	2942	);
2023		2943
2024	=item $client->async (\&cb)	2944	=item $client->async (\&cb)
2025		2945
2026	Create a new coroutine, running the specified callback. The coroutine will	2946	Create a new coroutine, running the specified callback. The coroutine will
…		…
2067	our $safe = new Safe "safe";	2987	our $safe = new Safe "safe";
2068	our $safe_hole = new Safe::Hole;	2988	our $safe_hole = new Safe::Hole;
2069		2989
2070	$SIG{FPE} = 'IGNORE';	2990	$SIG{FPE} = 'IGNORE';
2071		2991
2072	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2992	$safe->permit_only (Opcode::opset qw(
		2993	:base_core :base_mem :base_orig :base_math
		2994	grepstart grepwhile mapstart mapwhile
		2995	sort time
		2996	));
2073		2997
2074	# here we export the classes and methods available to script code	2998	# here we export the classes and methods available to script code
2075		2999
2076	=pod	3000	=pod
2077		3001
2078	The following fucntions and emthods are available within a safe environment:	3002	The following functions and methods are available within a safe environment:
2079		3003
2080	cf::object contr pay_amount pay_player map	3004	cf::object
		3005	contr pay_amount pay_player map x y force_find force_add destroy
		3006	insert remove name archname title slaying race decrease_ob_nr
		3007
2081	cf::object::player player	3008	cf::object::player
2082	cf::player peaceful	3009	player
2083	cf::map trigger	3010
		3011	cf::player
		3012	peaceful
		3013
		3014	cf::map
		3015	trigger
2084		3016
2085	=cut	3017	=cut
2086		3018
2087	for (	3019	for (
2088	["cf::object" => qw(contr pay_amount pay_player map)],	3020	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3021	insert remove inv name archname title slaying race
		3022	decrease_ob_nr destroy)],
2089	["cf::object::player" => qw(player)],	3023	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	3024	["cf::player" => qw(peaceful)],
2091	["cf::map" => qw(trigger)],	3025	["cf::map" => qw(trigger)],
2092	) {	3026	) {
2093	no strict 'refs';	3027	no strict 'refs';
…		…
2164	=back	3098	=back
2165		3099
2166	=cut	3100	=cut
2167		3101
2168	#############################################################################	3102	#############################################################################
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	3103	# the server's init and main functions
2278		3104
2279	sub load_resources {	3105	sub load_facedata($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3106	my ($path) = @_;
		3107
		3108	# HACK to clear player env face cache, we need some signal framework
		3109	# for this (global event?)
		3110	%ext::player_env::MUSIC_FACE_CACHE = ();
		3111
		3112	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3113
		3114	warn "loading facedata from $path\n";
		3115
		3116	my $facedata;
		3117	0 < aio_load $path, $facedata
		3118	or die "$path: $!";
		3119
		3120	$facedata = Coro::Storable::thaw $facedata;
		3121
		3122	$facedata->{version} == 2
		3123	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3124
		3125	# patch in the exptable
		3126	$facedata->{resource}{"res/exp_table"} = {
		3127	type => FT_RSRC,
		3128	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3129	};
		3130	cf::cede_to_tick;
		3131
		3132	{
		3133	my $faces = $facedata->{faceinfo};
		3134
		3135	while (my ($face, $info) = each %$faces) {
		3136	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3137	cf::face::set_visibility $idx, $info->{visibility};
		3138	cf::face::set_magicmap $idx, $info->{magicmap};
		3139	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3140	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3141
		3142	cf::cede_to_tick;
		3143	}
		3144
		3145	while (my ($face, $info) = each %$faces) {
		3146	next unless $info->{smooth};
		3147	my $idx = cf::face::find $face
		3148	or next;
		3149	if (my $smooth = cf::face::find $info->{smooth}) {
		3150	cf::face::set_smooth $idx, $smooth;
		3151	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3152	} else {
		3153	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3154	}
		3155
		3156	cf::cede_to_tick;
		3157	}
		3158	}
		3159
		3160	{
		3161	my $anims = $facedata->{animinfo};
		3162
		3163	while (my ($anim, $info) = each %$anims) {
		3164	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3165	cf::cede_to_tick;
		3166	}
		3167
		3168	cf::anim::invalidate_all; # d'oh
		3169	}
		3170
		3171	{
		3172	# TODO: for gcfclient pleasure, we should give resources
		3173	# that gcfclient doesn't grok a >10000 face index.
		3174	my $res = $facedata->{resource};
		3175
		3176	my $soundconf = delete $res->{"res/sound.conf"};
		3177
		3178	while (my ($name, $info) = each %$res) {
		3179	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3180	my $data;
		3181
		3182	if ($info->{type} & 1) {
		3183	# prepend meta info
		3184
		3185	my $meta = $enc->encode ({
		3186	name => $name,
		3187	%{ $info->{meta} || {} },
		3188	});
		3189
		3190	$data = pack "(w/a*)*", $meta, $info->{data};
		3191	} else {
		3192	$data = $info->{data};
		3193	}
		3194
		3195	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3196	cf::face::set_type $idx, $info->{type};
		3197
		3198	cf::cede_to_tick;
		3199	}
		3200
		3201	if ($soundconf) {
		3202	$soundconf = $enc->decode (delete $soundconf->{data});
		3203
		3204	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3205	my $sound = $soundconf->{compat}[$_]
		3206	or next;
		3207
		3208	my $face = cf::face::find "sound/$sound->[1]";
		3209	cf::sound::set $sound->[0] => $face;
		3210	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3211	}
		3212
		3213	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3214	my $face = cf::face::find "sound/$v";
		3215	cf::sound::set $k => $face;
		3216	}
		3217	}
		3218	}
		3219
		3220	1
		3221	}
		3222
		3223	register_exticmd fx_want => sub {
		3224	my ($ns, $want) = @_;
		3225
		3226	while (my ($k, $v) = each %$want) {
		3227	$ns->fx_want ($k, $v);
		3228	}
		3229	};
		3230
		3231	sub reload_regions {
		3232	# HACK to clear player env face cache, we need some signal framework
		3233	# for this (global event?)
		3234	%ext::player_env::MUSIC_FACE_CACHE = ();
		3235
		3236	load_resource_file "$MAPDIR/regions"
2281	or die "unable to load regions file\n";#d#	3237	or die "unable to load regions file\n";
2282	}
2283		3238
2284	sub cfg_load {	3239	for (cf::region::list) {
		3240	$_->{match} = qr/$_->{match}/
		3241	if exists $_->{match};
		3242	}
		3243	}
		3244
		3245	sub reload_facedata {
		3246	load_facedata "$DATADIR/facedata"
		3247	or die "unable to load facedata\n";
		3248	}
		3249
		3250	sub reload_archetypes {
		3251	load_resource_file "$DATADIR/archetypes"
		3252	or die "unable to load archetypes\n";
		3253	#d# NEED to laod twice to resolve forward references
		3254	# this really needs to be done in an extra post-pass
		3255	# (which needs to be synchronous, so solve it differently)
		3256	load_resource_file "$DATADIR/archetypes"
		3257	or die "unable to load archetypes\n";
		3258	}
		3259
		3260	sub reload_treasures {
		3261	load_resource_file "$DATADIR/treasures"
		3262	or die "unable to load treasurelists\n";
		3263	}
		3264
		3265	sub reload_resources {
		3266	warn "reloading resource files...\n";
		3267
		3268	reload_regions;
		3269	reload_facedata;
		3270	#reload_archetypes;#d#
		3271	reload_archetypes;
		3272	reload_treasures;
		3273
		3274	warn "finished reloading resource files\n";
		3275	}
		3276
		3277	sub init {
		3278	reload_resources;
		3279	}
		3280
		3281	sub reload_config {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	3282	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	3283	or return;
2287		3284
2288	local $/;	3285	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	3286	*CFG = YAML::Syck::Load <$fh>;
2290		3287
…		…
2300	};	3297	};
2301	warn $@ if $@;	3298	warn $@ if $@;
2302	}	3299	}
2303	}	3300	}
2304		3301
2305	sub init {
2306	load_resources;
2307	}
2308
2309	sub main {	3302	sub main {
2310	# we must not ever block the main coroutine	3303	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	3304	local $Coro::idle = sub {
2312	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3305	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2313	(async {	3306	(async {
		3307	$Coro::current->{desc} = "IDLE BUG HANDLER";
2314	Event::one_event;	3308	Event::one_event;
2315	})->prio (Coro::PRIO_MAX);	3309	})->prio (Coro::PRIO_MAX);
2316	};	3310	};
2317		3311
2318	cfg_load;	3312	reload_config;
2319	db_load;	3313	db_init;
2320	load_extensions;	3314	load_extensions;
2321		3315
2322	$TICK_WATCHER->start;	3316	$TICK_WATCHER->start;
2323	Event::loop;	3317	Event::loop;
2324	}	3318	}
…		…
2339	},	3333	},
2340	);	3334	);
2341	}	3335	}
2342	}	3336	}
2343		3337
		3338	sub write_runtime {
		3339	my $runtime = "$LOCALDIR/runtime";
		3340
		3341	# first touch the runtime file to show we are still running:
		3342	# the fsync below can take a very very long time.
		3343
		3344	IO::AIO::aio_utime $runtime, undef, undef;
		3345
		3346	my $guard = cf::lock_acquire "write_runtime";
		3347
		3348	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3349	or return;
		3350
		3351	my $value = $cf::RUNTIME + 90 + 10;
		3352	# 10 is the runtime save interval, for a monotonic clock
		3353	# 60 allows for the watchdog to kill the server.
		3354
		3355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3356	and return;
		3357
		3358	# always fsync - this file is important
		3359	aio_fsync $fh
		3360	and return;
		3361
		3362	# touch it again to show we are up-to-date
		3363	aio_utime $fh, undef, undef;
		3364
		3365	close $fh
		3366	or return;
		3367
		3368	aio_rename "$runtime~", $runtime
		3369	and return;
		3370
		3371	warn "runtime file written.\n";
		3372
		3373	1
		3374	}
		3375
2344	sub emergency_save() {	3376	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	3377	my $freeze_guard = cf::freeze_mainloop;
2346		3378
2347	warn "enter emergency perl save\n";	3379	warn "enter emergency perl save\n";
2348		3380
…		…
2352	# and maps saved/destroyed asynchronously.	3384	# and maps saved/destroyed asynchronously.
2353	warn "begin emergency player save\n";	3385	warn "begin emergency player save\n";
2354	for my $login (keys %cf::PLAYER) {	3386	for my $login (keys %cf::PLAYER) {
2355	my $pl = $cf::PLAYER{$login} or next;	3387	my $pl = $cf::PLAYER{$login} or next;
2356	$pl->valid or next;	3388	$pl->valid or next;
		3389	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2357	$pl->save;	3390	$pl->save;
2358	}	3391	}
2359	warn "end emergency player save\n";	3392	warn "end emergency player save\n";
2360		3393
2361	warn "begin emergency map save\n";	3394	warn "begin emergency map save\n";
…		…
2363	my $map = $cf::MAP{$path} or next;	3396	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	3397	$map->valid or next;
2365	$map->save;	3398	$map->save;
2366	}	3399	}
2367	warn "end emergency map save\n";	3400	warn "end emergency map save\n";
		3401
		3402	warn "begin emergency database checkpoint\n";
		3403	BDB::db_env_txn_checkpoint $DB_ENV;
		3404	warn "end emergency database checkpoint\n";
2368	};	3405	};
2369		3406
2370	warn "leave emergency perl save\n";	3407	warn "leave emergency perl save\n";
2371	}	3408	}
2372		3409
		3410	sub post_cleanup {
		3411	my ($make_core) = @_;
		3412
		3413	warn Carp::longmess "post_cleanup backtrace"
		3414	if $make_core;
		3415	}
		3416
2373	sub reload() {	3417	sub do_reload_perl() {
2374	# can/must only be called in main	3418	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	3419	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	3420	warn "can only reload from main coroutine";
2377	return;	3421	return;
2378	}	3422	}
2379		3423
2380	warn "reloading...";	3424	warn "reloading...";
2381		3425
2382	warn "cancelling server ticker";	3426	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		3427
		3428	cf::sync_job {
		3429	cf::write_runtime; # external watchdog should not bark
2385	cf::emergency_save;	3430	cf::emergency_save;
		3431	cf::write_runtime; # external watchdog should not bark
2386		3432
2387	eval {	3433	warn "syncing database to disk";
		3434	BDB::db_env_txn_checkpoint $DB_ENV;
		3435
2388	# if anything goes wrong in here, we should simply crash as we already saved	3436	# 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		3437
2393	warn "cancelling all WF_AUTOCANCEL watchers";	3438	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {	3439	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;	3440	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}	3441	}
2397		3442
2398	warn "flushing outstanding aio requests";	3443	warn "flushing outstanding aio requests";
2399	for (;;) {	3444	for (;;) {
		3445	BDB::flush;
2400	IO::AIO::flush;	3446	IO::AIO::flush;
2401	Coro::cede;	3447	Coro::cede_notself;
2402	last unless IO::AIO::nreqs;	3448	last unless IO::AIO::nreqs || BDB::nreqs;
2403	warn "iterate...";	3449	warn "iterate...";
2404	}	3450	}
		3451
		3452	++$RELOAD;
2405		3453
2406	warn "cancelling all extension coros";	3454	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	3455	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	3456	%EXT_CORO = ();
2409		3457
2410	warn "removing commands";	3458	warn "removing commands";
2411	%COMMAND = ();	3459	%COMMAND = ();
2412		3460
2413	warn "removing ext commands";	3461	warn "removing ext/exti commands";
2414	%EXTCMD = ();	3462	%EXTCMD = ();
		3463	%EXTICMD = ();
2415		3464
2416	warn "unloading/nuking all extensions";	3465	warn "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {	3466	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";	3467	warn "... unloading $pkg";
2419		3468
…		…
2449	Symbol::delete_package "safe::$_"	3498	Symbol::delete_package "safe::$_"
2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3499	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451		3500
2452	warn "unloading cf.pm \"a bit\"";	3501	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3502	delete $INC{"cf.pm"};
		3503	delete $INC{"cf/pod.pm"};
2454		3504
2455	# don't, removes xs symbols, too,	3505	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3506	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3507	#Symbol::delete_package __PACKAGE__;
2458		3508
…		…
2461	warn "reloading cf.pm";	3511	warn "reloading cf.pm";
2462	require cf;	3512	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3513	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		3514
2465	warn "loading config and database again";	3515	warn "loading config and database again";
2466	cf::cfg_load;	3516	cf::reload_config;
2467	cf::db_load;
2468		3517
2469	warn "loading extensions";	3518	warn "loading extensions";
2470	cf::load_extensions;	3519	cf::load_extensions;
2471		3520
2472	warn "reattaching attachments to objects/players";	3521	warn "reattaching attachments to objects/players";
2473	_global_reattach;	3522	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3523	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3524	reattach $_ for values %MAP;
		3525	warn "reattaching attachments to players";
		3526	reattach $_ for values %PLAYER;
2476		3527
2477	warn "loading reloadable resources";	3528	warn "leaving sync_job";
2478	load_resources;
2479		3529
2480	warn "restarting server ticker";	3530	1
2481		3531	} or do {
2482	$TICK_WATCHER->start;
2483	};
2484
2485	if ($@) {
2486	warn $@;	3532	warn $@;
2487	warn "error while reloading, exiting.";	3533	warn "error while reloading, exiting.";
2488	exit 1;	3534	exit 1;
2489	}	3535	};
2490		3536
2491	warn "reloaded";	3537	warn "reloaded";
2492	};	3538	};
2493		3539
2494	our $RELOAD_WATCHER; # used only during reload	3540	our $RELOAD_WATCHER; # used only during reload
2495		3541
		3542	sub reload_perl() {
		3543	# doing reload synchronously and two reloads happen back-to-back,
		3544	# coro crashes during coro_state_free->destroy here.
		3545
		3546	$RELOAD_WATCHER ||= Event->timer (
		3547	reentrant => 0,
		3548	after => 0,
		3549	data => WF_AUTOCANCEL,
		3550	cb => sub {
		3551	do_reload_perl;
		3552	undef $RELOAD_WATCHER;
		3553	},
		3554	);
		3555	}
		3556
2496	register_command "reload" => sub {	3557	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3558	my ($who, $arg) = @_;
2498		3559
2499	if ($who->flag (FLAG_WIZ)) {	3560	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3561	$who->message ("reloading server.");
2501		3562	async {
2502	# doing reload synchronously and two reloads happen back-to-back,	3563	$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;	3564	reload_perl;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);	3565	};
2514	}	3566	}
2515	};	3567	};
2516		3568
2517	unshift @INC, $LIBDIR;	3569	unshift @INC, $LIBDIR;
2518		3570
2519	my $bug_warning = 0;	3571	my $bug_warning = 0;
		3572
		3573	our @WAIT_FOR_TICK;
		3574	our @WAIT_FOR_TICK_BEGIN;
		3575
		3576	sub wait_for_tick {
		3577	return unless $TICK_WATCHER->is_active;
		3578	return if $Coro::current == $Coro::main;
		3579
		3580	my $signal = new Coro::Signal;
		3581	push @WAIT_FOR_TICK, $signal;
		3582	$signal->wait;
		3583	}
		3584
		3585	sub wait_for_tick_begin {
		3586	return unless $TICK_WATCHER->is_active;
		3587	return if $Coro::current == $Coro::main;
		3588
		3589	my $signal = new Coro::Signal;
		3590	push @WAIT_FOR_TICK_BEGIN, $signal;
		3591	$signal->wait;
		3592	}
2520		3593
2521	$TICK_WATCHER = Event->timer (	3594	$TICK_WATCHER = Event->timer (
2522	reentrant => 0,	3595	reentrant => 0,
2523	parked => 1,	3596	parked => 1,
2524	prio => 0,	3597	prio => 0,
…		…
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3602	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	3603	unless ++$bug_warning > 10;
2531	return;	3604	return;
2532	}	3605	}
2533		3606
2534	$NOW = Event::time;	3607	$NOW = $tick_start = Event::time;
2535		3608
2536	cf::server_tick; # one server iteration	3609	cf::server_tick; # one server iteration
		3610
2537	$RUNTIME += $TICK;	3611	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;	3612	$NEXT_TICK += $TICK;
2539		3613
2540	$WAIT_FOR_TICK->broadcast;	3614	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3615	$NEXT_RUNTIME_WRITE = $NOW + 10;
2542		3616	Coro::async_pool {
2543	Event::sweep;	3617	$Coro::current->{desc} = "runtime saver";
2544	Coro::cede_notself;	3618	write_runtime
		3619	or warn "ERROR: unable to write runtime file: $!";
		3620	};
2545		3621	}
2546	# my $AFTER = Event::time;	3622
2547	# warn $AFTER - $NOW;#d#	3623	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3624	$sig->send;
		3625	}
		3626	while (my $sig = shift @WAIT_FOR_TICK) {
		3627	$sig->send;
		3628	}
		3629
		3630	$NOW = Event::time;
2548		3631
2549	# if we are delayed by four ticks or more, skip them all	3632	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3633	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2551		3634
2552	$TICK_WATCHER->at ($NEXT_TICK);	3635	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;	3636	$TICK_WATCHER->start;
		3637
		3638	$LOAD = ($NOW - $tick_start) / $TICK;
		3639	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3640
		3641	_post_tick;
2554	},	3642	},
2555	);	3643	);
2556		3644
		3645	{
		3646	BDB::min_parallel 8;
		3647	BDB::max_poll_time $TICK * 0.1;
		3648	$BDB_POLL_WATCHER = Event->io (
		3649	reentrant => 0,
		3650	fd => BDB::poll_fileno,
		3651	poll => 'r',
		3652	prio => 0,
		3653	data => WF_AUTOCANCEL,
		3654	cb => \&BDB::poll_cb,
		3655	);
		3656
		3657	BDB::set_sync_prepare {
		3658	my $status;
		3659	my $current = $Coro::current;
		3660	(
		3661	sub {
		3662	$status = $!;
		3663	$current->ready; undef $current;
		3664	},
		3665	sub {
		3666	Coro::schedule while defined $current;
		3667	$! = $status;
		3668	},
		3669	)
		3670	};
		3671
		3672	unless ($DB_ENV) {
		3673	$DB_ENV = BDB::db_env_create;
		3674	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3675	| BDB::LOG_AUTOREMOVE, 1);
		3676	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3677	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3678
		3679	cf::sync_job {
		3680	eval {
		3681	BDB::db_env_open
		3682	$DB_ENV,
		3683	$BDBDIR,
		3684	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3685	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3686	0666;
		3687
		3688	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3689	};
		3690
		3691	cf::cleanup "db_env_open(db): $@" if $@;
		3692	};
		3693	}
		3694
		3695	$BDB_DEADLOCK_WATCHER = Event->timer (
		3696	after => 3,
		3697	interval => 1,
		3698	hard => 1,
		3699	prio => 0,
		3700	data => WF_AUTOCANCEL,
		3701	cb => sub {
		3702	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3703	},
		3704	);
		3705	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3706	after => 11,
		3707	interval => 60,
		3708	hard => 1,
		3709	prio => 0,
		3710	data => WF_AUTOCANCEL,
		3711	cb => sub {
		3712	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3713	},
		3714	);
		3715	$BDB_TRICKLE_WATCHER = Event->timer (
		3716	after => 5,
		3717	interval => 10,
		3718	hard => 1,
		3719	prio => 0,
		3720	data => WF_AUTOCANCEL,
		3721	cb => sub {
		3722	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3723	},
		3724	);
		3725	}
		3726
		3727	{
		3728	IO::AIO::min_parallel 8;
		3729
		3730	undef $Coro::AIO::WATCHER;
2557	IO::AIO::max_poll_time $TICK * 0.1;	3731	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (	3732	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,	3733	reentrant => 0,
		3734	data => WF_AUTOCANCEL,
2562	fd => IO::AIO::poll_fileno,	3735	fd => IO::AIO::poll_fileno,
2563	poll => 'r',	3736	poll => 'r',
2564	prio => 6,	3737	prio => 0,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,	3738	cb => \&IO::AIO::poll_cb,
2567	);	3739	);
		3740	}
2568		3741
2569	$WRITE_RUNTIME_WATCHER = Event->timer (	3742	my $_log_backtrace;
2570	reentrant => 0,	3743
2571	data => WF_AUTOCANCEL,	3744	sub _log_backtrace {
2572	after => 1,	3745	my ($msg, @addr) = @_;
2573	interval => 10,	3746
2574	prio => 6, # keep it lowest so it acts like a watchdog	3747	$msg =~ s/\n//;
2575	cb => Coro::unblock_sub {	3748
2576	write_runtime	3749	# limit the # of concurrent backtraces
2577	or warn "ERROR: unable to write runtime file: $!";	3750	if ($_log_backtrace < 2) {
		3751	++$_log_backtrace;
		3752	async {
		3753	$Coro::current->{desc} = "abt $msg";
		3754
		3755	my @bt = fork_call {
		3756	@addr = map { sprintf "%x", $_ } @addr;
		3757	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3758	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3759	or die "addr2line: $!";
		3760
		3761	my @funcs;
		3762	my @res = <$fh>;
		3763	chomp for @res;
		3764	while (@res) {
		3765	my ($func, $line) = splice @res, 0, 2, ();
		3766	push @funcs, "[$func] $line";
		3767	}
		3768
		3769	@funcs
		3770	};
		3771
		3772	LOG llevInfo, "[ABT] $msg\n";
		3773	LOG llevInfo, "[ABT] $_\n" for @bt;
		3774	--$_log_backtrace;
		3775	};
		3776	} else {
		3777	LOG llevInfo, "[ABT] $msg\n";
		3778	LOG llevInfo, "[ABT] [suppressed]\n";
2578	},	3779	}
2579	);	3780	}
		3781
		3782	# load additional modules
		3783	use cf::pod;
2580		3784
2581	END { cf::emergency_save }	3785	END { cf::emergency_save }
2582		3786
2583	1	3787	1
2584		3788

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