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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.207 by root, Sun Feb 11 22:42:09 2007 UTC vs.
Revision 1.371 by root, Thu Sep 13 16:16:01 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 Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.64 ();
		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 ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
24	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
27		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
28	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
29
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		44
32	# 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?
33	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
34		47
35	$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
36		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
37	our %COMMAND = ();	52	our %COMMAND = ();
38	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
39		54
40	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
44		60
		61	our $RELOAD; # number of reloads so far
45	our @EVENT;	62	our @EVENT;
46	our $LIBDIR = datadir . "/ext";
47		63
48	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(!)
49	our $TICK_WATCHER;	77	our $TICK_WATCHER;
50	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
51	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	our $NEXT_TICK;	80	our $NEXT_TICK;
53	our $NOW;	81	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		83
56	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
57	our $DB_ENV;	88	our $DB_ENV;
58		89
59	our %CFG;	90	our %CFG;
60		91
61	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;	93	our $RUNTIME;
63		94
64	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
65	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		98
73	# 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 ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		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 $tick_start; # for load detecting purposes
		105
76	binmode STDOUT;	106	binmode STDOUT;
77	binmode STDERR;	107	binmode STDERR;
78		108
79	# read virtual server time, if available	109	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
81	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
82	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
83	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
84	}	114	}
85		115
86	mkdir cf::localdir;	116	mkdir $_
87	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
88	mkdir cf::localdir . "/" . cf::tmpdir;
89	mkdir cf::localdir . "/" . cf::uniquedir;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		118
93	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
94		120
95	sub cf::map::normalise;	121	sub cf::map::normalise;
96		122
…		…
107	=item $cf::RUNTIME	133	=item $cf::RUNTIME
108		134
109	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
110	every server tick.	136	every server tick.
111		137
112	=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
113		141
114	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
115	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.
116		146
117	=item $cf::NOW	147	=item $cf::NOW
118		148
119	The time of the last (current) server tick.	149	The time of the last (current) server tick.
120		150
121	=item $cf::TICK	151	=item $cf::TICK
122		152
123	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.
124		164
125	=item %cf::CFG	165	=item %cf::CFG
126		166
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
128	from wherever your confdir points to.	168	from wherever your confdir points to.
129		169
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		171
132	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
133	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
134	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.
135	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.
136		181
137	=back	182	=back
138		183
139	=cut	184	=cut
140		185
141	BEGIN {	186	BEGIN {
142	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
143	my $msg = join "", @_;	188	my $msg = join "", @_;
144	utf8::encode $msg;
145		189
146	$msg .= "\n"	190	$msg .= "\n"
147	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
148		194
149	LOG llevError, $msg;	195	LOG llevError, $msg;
150	};	196	};
151	}	197	}
152		198
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@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';
158	@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)
159		206
160	# 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
161	# within the Safe compartment.	208	# within the Safe compartment.
162	for my $pkg (qw(	209	for my $pkg (qw(
163	cf::global cf::attachable	210	cf::global cf::attachable
…		…
171	}	218	}
172		219
173	$Event::DIED = sub {	220	$Event::DIED = sub {
174	warn "error in event callback: @_";	221	warn "error in event callback: @_";
175	};	222	};
		223
		224	#############################################################################
176		225
177	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
178		227
179	=over 4	228	=over 4
180		229
…		…
199	$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;
200	$d	249	$d
201	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
202	}	251	}
203		252
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
207		254
208	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
209		256
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
218		258
219	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
220		260
221	=cut	261	=cut
222		262
223	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
225	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
226	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
227		267
228	=item cf::lock_wait $string	268	=item cf::lock_wait $string
229		269
230	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
231		271
…		…
234	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
235	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,
236	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
237	returned.	277	returned.
238		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
239	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
240	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
241		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
242	=cut	289	=cut
243		290
244	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
245		293
246	sub lock_wait($) {	294	sub lock_wait($) {
247	my ($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#
248		301
249	# wait for lock, if any	302	# wait for lock, if any
250	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
251	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;	305	Coro::schedule;
…		…
258		311
259	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
260	lock_wait $key;	313	lock_wait $key;
261		314
262	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
263		317
264	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
265	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
267	}	322	}
268	}	323	}
269		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
270	sub freeze_mainloop {	331	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
272		333
273	my $guard = Coro::guard {	334	my $guard = Coro::guard {
274	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
275	$WRITE_RUNTIME_WATCHER->start;
276	};	336	};
277	$WRITE_RUNTIME_WATCHER->stop;
278	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
279	$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	my $signal = new Coro::Signal;
		360
		361	while () {
		362	next_job:
		363	my $avail = cf::till_tick;
		364	if ($avail > 0.01) {
		365	for (0 .. $#SLOT_QUEUE) {
		366	if ($SLOT_QUEUE[$_][0] < $avail) {
		367	my $job = splice @SLOT_QUEUE, $_, 1, ();
		368	$job->[2]->send;
		369	Coro::cede;
		370	goto next_job;
		371	}
		372	}
		373	}
		374
		375	if (@SLOT_QUEUE) {
		376	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		377	push @cf::WAIT_FOR_TICK, $signal;
		378	$signal->wait;
		379	} else {
		380	Coro::schedule;
		381	}
		382	}
		383	};
		384
		385	sub get_slot($;$$) {
		386	my ($time, $pri, $name) = @_;
		387
		388	$time = $TICK * .6 if $time > $TICK * .6;
		389	my $sig = new Coro::Signal;
		390
		391	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		392	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		393	$SLOT_QUEUE->ready;
		394	$sig->wait;
280	}	395	}
281		396
282	=item cf::async { BLOCK }	397	=item cf::async { BLOCK }
283		398
284	Currently the same as Coro::async_pool, meaning you cannot use	399	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		404
290	BEGIN { *async = \&Coro::async_pool }	405	BEGIN { *async = \&Coro::async_pool }
291		406
292	=item cf::sync_job { BLOCK }	407	=item cf::sync_job { BLOCK }
293		408
294	The design of crossfire+ requires that the main coro ($Coro::main) is	409	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	410	is always able to handle events or runnable, as Crossfire TRT is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		412	acceptable.
297		413
298	If it must be done, put the blocking parts into C<sync_job>. This will run	414	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	415	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	416	server will be frozen during this time, so the block should either finish
301	fast or be very important.	417	fast or be very important.
…		…
304		420
305	sub sync_job(&) {	421	sub sync_job(&) {
306	my ($job) = @_;	422	my ($job) = @_;
307		423
308	if ($Coro::current == $Coro::main) {	424	if ($Coro::current == $Coro::main) {
		425	my $time = Event::time;
		426
309	# this is the main coro, too bad, we have to block	427	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	428	# till the operation succeeds, freezing the server :/
311		429
312	# TODO: use suspend/resume instead	430	# TODO: use suspend/resume instead
313	# (but this is cancel-safe)	431	# (but this is cancel-safe)
…		…
324		442
325	while ($busy) {	443	while ($busy) {
326	Coro::cede or Event::one_event;	444	Coro::cede or Event::one_event;
327	}	445	}
328		446
		447	$time = Event::time - $time;
		448
		449	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		450	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		451
		452	$tick_start += $time; # do not account sync jobs to server load
		453
329	wantarray ? @res : $res[0]	454	wantarray ? @res : $res[0]
330	} else {	455	} else {
331	# we are in another coroutine, how wonderful, everything just works	456	# we are in another coroutine, how wonderful, everything just works
332		457
333	$job->()	458	$job->()
…		…
352	$EXT_CORO{$coro+0} = $coro;	477	$EXT_CORO{$coro+0} = $coro;
353		478
354	$coro	479	$coro
355	}	480	}
356		481
357	sub write_runtime {	482	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		483
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	484	Executes the given code block with the given arguments in a seperate
361	or return;	485	process, returning the results. Everything must be serialisable with
		486	Coro::Storable. May, of course, block. Note that the executed sub may
		487	never block itself or use any form of Event handling.
362		488
363	my $value = $cf::RUNTIME + 90 + 10;	489	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		490
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	491	sub fork_call(&@) {
368	and return;	492	my ($cb, @args) = @_;
369		493
370	# always fsync - this file is important	494	# we seemingly have to make a local copy of the whole thing,
371	aio_fsync $fh	495	# otherwise perl prematurely frees the stuff :/
372	and return;	496	# TODO: investigate and fix (likely this will be rather laborious)
373		497
374	close $fh	498	my @res = Coro::Util::fork_eval {
375	or return;	499	reset_signals;
		500	&$cb
		501	}, @args;
376		502
377	aio_rename "$runtime~", $runtime	503	wantarray ? @res : $res[-1]
378	and return;	504	}
379		505
		506	=item $value = cf::db_get $family => $key
		507
		508	Returns a single value from the environment database.
		509
		510	=item cf::db_put $family => $key => $value
		511
		512	Stores the given C<$value> in the family. It can currently store binary
		513	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		514
		515	=item $db = cf::db_table "name"
		516
		517	Create and/or open a new database table. The string must not be "db" and must be unique
		518	within each server.
		519
		520	=cut
		521
		522	sub db_table($) {
		523	my ($name) = @_;
		524	my $db = BDB::db_create $DB_ENV;
		525
		526	eval {
		527	$db->set_flags (BDB::CHKSUM);
		528
		529	utf8::encode $name;
		530	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		531	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		532	cf::cleanup "db_open(db): $!" if $!;
		533	};
		534	cf::cleanup "db_open(db): $@" if $@;
		535
		536	$db
		537	}
		538
		539	our $DB;
		540
		541	sub db_init {
		542	cf::sync_job {
		543	$DB ||= db_table "db";
		544	};
		545	}
		546
		547	sub db_get($$) {
		548	my $key = "$_[0]/$_[1]";
		549
		550	cf::sync_job {
		551	BDB::db_get $DB, undef, $key, my $data;
		552
		553	$! ? ()
		554	: $data
380	1	555	}
		556	}
		557
		558	sub db_put($$$) {
		559	BDB::dbreq_pri 4;
		560	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		561	}
		562
		563	=item cf::cache $id => [$paths...], $processversion => $process
		564
		565	Generic caching function that returns the value of the resource $id,
		566	caching and regenerating as required.
		567
		568	This function can block.
		569
		570	=cut
		571
		572	sub cache {
		573	my ($id, $src, $processversion, $process) = @_;
		574
		575	my $meta =
		576	join "\x00",
		577	$processversion,
		578	map {
		579	aio_stat $_
		580	and Carp::croak "$_: $!";
		581
		582	($_, (stat _)[7,9])
		583	} @$src;
		584
		585	my $dbmeta = db_get cache => "$id/meta";
		586	if ($dbmeta ne $meta) {
		587	# changed, we may need to process
		588
		589	my @data;
		590	my $md5;
		591
		592	for (0 .. $#$src) {
		593	0 <= aio_load $src->[$_], $data[$_]
		594	or Carp::croak "$src->[$_]: $!";
		595	}
		596
		597	# if processing is expensive, check
		598	# checksum first
		599	if (1) {
		600	$md5 =
		601	join "\x00",
		602	$processversion,
		603	map {
		604	cf::cede_to_tick;
		605	($src->[$_], Digest::MD5::md5_hex $data[$_])
		606	} 0.. $#$src;
		607
		608
		609	my $dbmd5 = db_get cache => "$id/md5";
		610	if ($dbmd5 eq $md5) {
		611	db_put cache => "$id/meta", $meta;
		612
		613	return db_get cache => "$id/data";
		614	}
		615	}
		616
		617	my $t1 = Time::HiRes::time;
		618	my $data = $process->(\@data);
		619	my $t2 = Time::HiRes::time;
		620
		621	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		622
		623	db_put cache => "$id/data", $data;
		624	db_put cache => "$id/md5" , $md5;
		625	db_put cache => "$id/meta", $meta;
		626
		627	return $data;
		628	}
		629
		630	db_get cache => "$id/data"
		631	}
		632
		633	=item cf::datalog type => key => value, ...
		634
		635	Log a datalog packet of the given type with the given key-value pairs.
		636
		637	=cut
		638
		639	sub datalog($@) {
		640	my ($type, %kv) = @_;
		641	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
381	}	642	}
382		643
383	=back	644	=back
384		645
385	=cut	646	=cut
…		…
392	attach callbacks/event handlers (a collection of which is called an "attachment")	653	attach callbacks/event handlers (a collection of which is called an "attachment")
393	to it. All such attachable objects support the following methods.	654	to it. All such attachable objects support the following methods.
394		655
395	In the following description, CLASS can be any of C<global>, C<object>	656	In the following description, CLASS can be any of C<global>, C<object>
396	C<player>, C<client> or C<map> (i.e. the attachable objects in	657	C<player>, C<client> or C<map> (i.e. the attachable objects in
397	crossfire+).	658	Crossfire TRT).
398		659
399	=over 4	660	=over 4
400		661
401	=item $attachable->attach ($attachment, key => $value...)	662	=item $attachable->attach ($attachment, key => $value...)
402		663
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	826	$registry = $CB_TYPE[$object_type] ||= [];
566		827
567	} elsif ($type eq "subtype") {	828	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	829	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	830	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	831	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		832
572	} elsif ($type eq "package") {	833	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	834	my $pkg = shift @arg;
574		835
575	while (my ($name, $id) = each %cb_id) {	836	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	865	_attach $registry, $klass, @attach;
605	}	866	}
606		867
607	$obj->{$name} = \%arg;	868	$obj->{$name} = \%arg;
608	} else {	869	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	870	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	871	}
611		872
612	$obj->{_attachment}{$name} = undef;	873	$obj->{_attachment}{$name} = undef;
613	}	874	}
614		875
…		…
616	if (ref $_[0]) {	877	if (ref $_[0]) {
617	_object_attach @_;	878	_object_attach @_;
618	} else {	879	} else {
619	_attach shift->_attach_registry, @_;	880	_attach shift->_attach_registry, @_;
620	}	881	}
		882	_recalc_want;
621	};	883	};
622		884
623	# all those should be optimised	885	# all those should be optimised
624	sub cf::attachable::detach {	886	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	887	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	890	delete $obj->{_attachment}{$name};
629	reattach ($obj);	891	reattach ($obj);
630	} else {	892	} else {
631	Carp::croak "cannot, currently, detach class attachments";	893	Carp::croak "cannot, currently, detach class attachments";
632	}	894	}
		895	_recalc_want;
633	};	896	};
634		897
635	sub cf::attachable::attached {	898	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	899	my ($obj, $name) = @_;
637		900
…		…
652	";	915	";
653	die if $@;	916	die if $@;
654	}	917	}
655		918
656	our $override;	919	our $override;
657	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	920	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
658		921
659	sub override {	922	sub override {
660	$override = 1;	923	$override = 1;
661	@invoke_results = ();	924	@INVOKE_RESULTS = (@_);
662	}	925	}
663		926
664	sub do_invoke {	927	sub do_invoke {
665	my $event = shift;	928	my $event = shift;
666	my $callbacks = shift;	929	my $callbacks = shift;
667		930
668	@invoke_results = ();	931	@INVOKE_RESULTS = ();
669		932
670	local $override;	933	local $override;
671		934
672	for (@$callbacks) {	935	for (@$callbacks) {
673	eval { &{$_->[1]} };	936	eval { &{$_->[1]} };
…		…
690		953
691	Generate an object-specific event with the given arguments.	954	Generate an object-specific event with the given arguments.
692		955
693	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	956	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
694	removed in future versions), and there is no public API to access override	957	removed in future versions), and there is no public API to access override
695	results (if you must, access C<@cf::invoke_results> directly).	958	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		959
697	=back	960	=back
698		961
699	=cut	962	=cut
700		963
701	#############################################################################	964	#############################################################################
702	# object support	965	# object support
		966	#
		967
		968	sub _can_merge {
		969	my ($ob1, $ob2) = @_;
		970
		971	local $Storable::canonical = 1;
		972	my $fob1 = Storable::freeze $ob1;
		973	my $fob2 = Storable::freeze $ob2;
		974
		975	$fob1 eq $fob2
		976	}
703		977
704	sub reattach {	978	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	979	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	980	my ($obj) = @_;
707		981
…		…
752	);	1026	);
753		1027
754	sub object_freezer_save {	1028	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1029	my ($filename, $rdata, $objs) = @_;
756		1030
		1031	my $guard = cf::lock_acquire "io";
		1032
757	sync_job {	1033	sync_job {
758	if (length $$rdata) {	1034	if (length $$rdata) {
		1035	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1036	warn sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1037	$decname, length $$rdata, scalar @$objs;
761		1038
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1039	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1040	chmod SAVE_MODE, $fh;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1041	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	aio_fsync $fh if $cf::USE_FSYNC;	1042	aio_fsync $fh if $cf::USE_FSYNC;
…		…
784	}	1061	}
785	} else {	1062	} else {
786	aio_unlink $filename;	1063	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1064	aio_unlink "$filename.pst";
788	}	1065	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1066	};
		1067
		1068	undef $guard;
796	}	1069	}
797		1070
798	sub object_freezer_as_string {	1071	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1072	my ($rdata, $objs) = @_;
800		1073
…		…
806	sub object_thawer_load {	1079	sub object_thawer_load {
807	my ($filename) = @_;	1080	my ($filename) = @_;
808		1081
809	my ($data, $av);	1082	my ($data, $av);
810		1083
811	#d#TODO remove .map if file does not exist	1084	my $guard = cf::lock_acquire "io";
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1085
814	(aio_load $filename, $data) >= 0	1086	(aio_load $filename, $data) >= 0
815	or return;	1087	or return;
816		1088
817	unless (aio_stat "$filename.pst") {	1089	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1090	(aio_load "$filename.pst", $av) >= 0
819	or return;	1091	or return;
		1092
		1093	undef $guard;
820	$av = eval { (Storable::thaw $av)->{objs} };	1094	$av = eval { (Storable::thaw $av)->{objs} };
821	}	1095	}
822		1096
		1097	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
825	return ($data, $av);	1101	($data, $av)
826	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
827		1109
828	#############################################################################	1110	#############################################################################
829	# command handling &c	1111	# command handling &c
830		1112
831	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1127	}
846		1128
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1130
849	Register a callbackf ro execution when the client sends an extcmd packet.	1131	Register a callback for execution when the client sends an (synchronous)
		1132	extcmd packet. Ext commands will be processed in the order they are
		1133	received by the server, like other user commands. The first argument is
		1134	the logged-in player. Ext commands can only be processed after a player
		1135	has logged in successfully.
850		1136
851	If the callback returns something, it is sent back as if reply was being	1137	If the callback returns something, it is sent back as if reply was being
852	called.	1138	called.
853		1139
		1140	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1141
		1142	Register a callback for execution when the client sends an (asynchronous)
		1143	exticmd packet. Exti commands are processed by the server as soon as they
		1144	are received, i.e. out of order w.r.t. other commands. The first argument
		1145	is a client socket. Exti commands can be received anytime, even before
		1146	log-in.
		1147
		1148	If the callback returns something, it is sent back as if reply was being
		1149	called.
		1150
854	=cut	1151	=cut
855		1152
856	sub register_extcmd {	1153	sub register_extcmd {
857	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
858		1155
859	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
860	}	1163	}
861		1164
862	cf::player->attach (	1165	cf::player->attach (
863	on_command => sub {	1166	on_command => sub {
864	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
873	cf::override;	1176	cf::override;
874	},	1177	},
875	on_extcmd => sub {	1178	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
877		1180
878	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1182
880	if (ref $msg) {	1183	if (ref $msg) {
		1184	my ($type, $reply, @payload) =
		1185	"ARRAY" eq ref $msg
		1186	? @$msg
		1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1188
		1189	my @reply;
		1190
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
886	} else {	1198	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1200	}
889		1201
890	cf::override;	1202	cf::override;
891	},	1203	},
892	);	1204	);
893		1205
894	sub load_extension {
895	my ($path) = @_;
896
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
898	my $base = $1;
899	my $pkg = $1;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}
922	die $@;
923	}
924
925	push @EXTS, $pkg;
926	}
927
928	sub load_extensions {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
929	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1211	next unless -r $path;
931	eval {	1212
932	load_extension $ext;	1213	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1214	my $base = $1;
		1215	my $pkg = $1;
		1216	$pkg =~ s/[^[:word:]]/_/g;
		1217	$pkg = "ext::$pkg";
		1218
		1219	open my $fh, "<:utf8", $path
		1220	or die "$path: $!";
		1221
		1222	my $source = do { local $/; <$fh> };
		1223
		1224	my %ext = (
		1225	path => $path,
		1226	base => $base,
		1227	pkg => $pkg,
		1228	);
		1229
		1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1232
		1233	$ext{source} =
		1234	"package $pkg; use strict; use utf8;\n"
		1235	. "#line 1 \"$path\"\n{\n"
		1236	. $source
		1237	. "\n};\n1";
		1238
		1239	$todo{$base} = \%ext;
		1240	}
		1241
		1242	my %done;
		1243	while (%todo) {
		1244	my $progress;
		1245
		1246	while (my ($k, $v) = each %todo) {
		1247	for (split /,\s*/, $v->{meta}{depends}) {
		1248	goto skip
		1249	unless exists $done{$_};
		1250	}
		1251
		1252	warn "... loading '$k' into '$v->{pkg}'\n";
		1253
		1254	unless (eval $v->{source}) {
		1255	my $msg = $@ ? "$v->{path}: $@\n"
		1256	: "$v->{base}: extension inactive.\n";
		1257
		1258	if (exists $v->{meta}{mandatory}) {
		1259	warn $msg;
		1260	warn "mandatory extension failed to load, exiting.\n";
		1261	exit 1;
		1262	}
		1263
		1264	warn $msg;
		1265	}
		1266
		1267	$done{$k} = delete $todo{$k};
		1268	push @EXTS, $v->{pkg};
		1269	$progress = 1;
933	1	1270	}
934	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
935	}	1276	};
936	}	1277	}
937		1278
938	#############################################################################	1279	#############################################################################
939		1280
		1281	=back
		1282
940	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
941		1284
942	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
943		1286
944	=cut	1287	=cut
…		…
949		1292
950	=head3 cf::player	1293	=head3 cf::player
951		1294
952	=over 4	1295	=over 4
953		1296
		1297	=item cf::player::num_playing
		1298
		1299	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1300
		1301	=cut
		1302
		1303	sub num_playing {
		1304	scalar grep
		1305	$_->ob->map
		1306	&& !$_->hidden
		1307	&& !$_->ob->flag (cf::FLAG_WIZ),
		1308	cf::player::list
		1309	}
		1310
954	=item cf::player::find $login	1311	=item cf::player::find $login
955		1312
956	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
957		1314
958	=cut	1315	=cut
959		1316
960	sub playerdir($) {	1317	sub playerdir($) {
961	cf::localdir	1318	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1319	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1320	}
967		1321
968	sub path($) {	1322	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1323	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1324
971	(playerdir $login) . "/$login.pl"	1325	(playerdir $login) . "/playerdata"
972	}	1326	}
973		1327
974	sub find_active($) {	1328	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1329	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1330	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1343	my $login = $_[0];
990		1344
991	my $guard = cf::lock_acquire "user_find:$login";	1345	my $guard = cf::lock_acquire "user_find:$login";
992		1346
993	$cf::PLAYER{$_[0]} || do {	1347	$cf::PLAYER{$_[0]} || do {
994	my $pl = load_pl path $login	1348	# rename old playerfiles to new ones
		1349	#TODO: remove when no longer required
		1350	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1351	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1352	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1353	aio_unlink +(playerdir $login) . "/$login.pl";
		1354
		1355	my $f = new_from_file cf::object::thawer path $login
995	or return;	1356	or return;
		1357
		1358	$f->next;
		1359	my $pl = cf::player::load_pl $f
		1360	or return;
		1361	local $cf::PLAYER_LOADING{$login} = $pl;
		1362	$f->resolve_delayed_derefs;
996	$cf::PLAYER{$login} = $pl	1363	$cf::PLAYER{$login} = $pl
997	}	1364	}
998	}	1365	}
999	}	1366	}
1000		1367
…		…
1010		1377
1011	aio_mkdir playerdir $pl, 0770;	1378	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1379	$pl->{last_save} = $cf::RUNTIME;
1013		1380
1014	$pl->save_pl ($path);	1381	$pl->save_pl ($path);
1015	Coro::cede;	1382	cf::cede_to_tick;
1016	}	1383	}
1017		1384
1018	sub new($) {	1385	sub new($) {
1019	my ($login) = @_;	1386	my ($login) = @_;
1020		1387
…		…
1026	$cf::PLAYER{$login} = $self;	1393	$cf::PLAYER{$login} = $self;
1027		1394
1028	$self	1395	$self
1029	}	1396	}
1030		1397
		1398	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1399
		1400	=cut
		1401
		1402	sub send_msg {
		1403	my $ns = shift->ns
		1404	or return;
		1405	$ns->send_msg (@_);
		1406	}
		1407
1031	=item $pl->quit_character	1408	=item $pl->quit_character
1032		1409
1033	Nukes the player without looking back. If logged in, the connection will	1410	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1411	be destroyed. May block for a long time.
1035		1412
1036	=cut	1413	=cut
1037		1414
1038	sub quit_character {	1415	sub quit_character {
1039	my ($pl) = @_;	1416	my ($pl) = @_;
		1417
		1418	my $name = $pl->ob->name;
1040		1419
1041	$pl->{deny_save} = 1;	1420	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1421	$pl->password ("*"); # this should lock out the player until we nuked the dir
1043		1422
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1423	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1049	my $path = playerdir $pl;	1428	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1429	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1430	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1431	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1432	$pl->destroy;
		1433
		1434	my $prefix = qr<^~\Q$name\E/>;
		1435
		1436	# nuke player maps
		1437	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1438
1054	IO::AIO::aio_rmtree $temp;	1439	IO::AIO::aio_rmtree $temp;
		1440	}
		1441
		1442	=item $pl->kick
		1443
		1444	Kicks a player out of the game. This destroys the connection.
		1445
		1446	=cut
		1447
		1448	sub kick {
		1449	my ($pl, $kicker) = @_;
		1450
		1451	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1452	$pl->killer ("kicked");
		1453	$pl->ns->destroy;
1055	}	1454	}
1056		1455
1057	=item cf::player::list_logins	1456	=item cf::player::list_logins
1058		1457
1059	Returns am arrayref of all valid playernames in the system, can take a	1458	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1459	while and may block, so not sync_job-capable, ever.
1061		1460
1062	=cut	1461	=cut
1063		1462
1064	sub list_logins {	1463	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1464	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1465	or return [];
1067		1466
1068	my @logins;	1467	my @logins;
1069		1468
1070	for my $login (@$dirs) {	1469	for my $login (@$dirs) {
		1470	my $path = path $login;
		1471
		1472	# a .pst is a dead give-away for a valid player
		1473	unless (-e "$path.pst") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1474	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1475	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1476	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1477	}
1074		1478
1075	utf8::decode $login;	1479	utf8::decode $login;
1076	push @logins, $login;	1480	push @logins, $login;
1077	}	1481	}
1078		1482
…		…
1105	}	1509	}
1106		1510
1107	\@paths	1511	\@paths
1108	}	1512	}
1109		1513
		1514	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1515
		1516	Expand crossfire pod fragments into protocol xml.
		1517
		1518	=cut
		1519
		1520	sub expand_cfpod {
		1521	((my $self), (local $_)) = @_;
		1522
		1523	# escape & and <
		1524	s/&/&amp;/g;
		1525	s/(?<![BIUGHT])</&lt;/g;
		1526
		1527	# this is buggy, it needs to properly take care of nested <'s
		1528
		1529	1 while
		1530	# replace B<>, I<>, U<> etc.
		1531	s/B<([^\>]*)>/<b>$1<\/b>/
		1532	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1533	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1534	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1535	# replace G<male|female> tags
		1536	|| s{G<([^>|]*)\|([^>]*)>}{
		1537	$self->gender ? $2 : $1
		1538	}ge
		1539	# replace H<hint text>
		1540	|| s{H<([^\>]*)>}
		1541	{
		1542	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1543	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1544	"")
		1545	[$self->{hintmode}]
		1546	}ge;
		1547
		1548	# create single paragraphs (very hackish)
		1549	s/(?<=\S)\n(?=\w)/ /g;
		1550
		1551	# compress some whitespace
		1552	s/\s+\n/\n/g; # ws line-ends
		1553	s/\n\n+/\n/g; # double lines
		1554	s/^\n+//; # beginning lines
		1555	s/\n+$//; # ending lines
		1556
		1557	$_
		1558	}
		1559
		1560	sub hintmode {
		1561	$_[0]{hintmode} = $_[1] if @_ > 1;
		1562	$_[0]{hintmode}
		1563	}
		1564
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1565	=item $player->ext_reply ($msgid, @msg)
1111		1566
1112	Sends an ext reply to the player.	1567	Sends an ext reply to the player.
1113		1568
1114	=cut	1569	=cut
1115		1570
1116	sub ext_reply($$$%) {	1571	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1572	my ($self, $id, @msg) = @_;
1118		1573
1119	$msg{msgid} = $id;	1574	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1575	}
1123		1576
1124	package cf;	1577	=item $player->ext_msg ($type, @msg)
		1578
		1579	Sends an ext event to the client.
		1580
		1581	=cut
		1582
		1583	sub ext_msg($$@) {
		1584	my ($self, $type, @msg) = @_;
		1585
		1586	$self->ns->ext_msg ($type, @msg);
		1587	}
		1588
		1589	=head3 cf::region
		1590
		1591	=over 4
		1592
		1593	=cut
		1594
		1595	package cf::region;
		1596
		1597	=item cf::region::find_by_path $path
		1598
		1599	Tries to decuce the likely region for a map knowing only its path.
		1600
		1601	=cut
		1602
		1603	sub find_by_path($) {
		1604	my ($path) = @_;
		1605
		1606	my ($match, $specificity);
		1607
		1608	for my $region (list) {
		1609	if ($region->{match} && $path =~ $region->{match}) {
		1610	($match, $specificity) = ($region, $region->specificity)
		1611	if $region->specificity > $specificity;
		1612	}
		1613	}
		1614
		1615	$match
		1616	}
1125		1617
1126	=back	1618	=back
1127
1128		1619
1129	=head3 cf::map	1620	=head3 cf::map
1130		1621
1131	=over 4	1622	=over 4
1132		1623
…		…
1187	my ($self, $merge) = @_;	1678	my ($self, $merge) = @_;
1188		1679
1189	# we have to keep some variables in memory intact	1680	# we have to keep some variables in memory intact
1190	local $self->{path};	1681	local $self->{path};
1191	local $self->{load_path};	1682	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1683
1195	$self->SUPER::thawer_merge ($merge);	1684	$self->SUPER::thawer_merge ($merge);
1196	}	1685	}
1197		1686
1198	sub normalise {	1687	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1734	$self->init; # pass $1 etc.
1246	return $self;	1735	return $self;
1247	}	1736	}
1248	}	1737	}
1249		1738
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1739	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1740	()
1252	}	1741	}
1253		1742
1254	sub init {	1743	sub init {
1255	my ($self) = @_;	1744	my ($self) = @_;
…		…
1270		1759
1271	# the original (read-only) location	1760	# the original (read-only) location
1272	sub load_path {	1761	sub load_path {
1273	my ($self) = @_;	1762	my ($self) = @_;
1274		1763
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1764	"$MAPDIR/$self->{path}.map"
1276	}	1765	}
1277		1766
1278	# the temporary/swap location	1767	# the temporary/swap location
1279	sub save_path {	1768	sub save_path {
1280	my ($self) = @_;	1769	my ($self) = @_;
1281		1770
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1771	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1772	"$TMPDIR/$path.map"
1284	}	1773	}
1285		1774
1286	# the unique path, undef == no special unique path	1775	# the unique path, undef == no special unique path
1287	sub uniq_path {	1776	sub uniq_path {
1288	my ($self) = @_;	1777	my ($self) = @_;
1289		1778
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1779	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1780	"$UNIQUEDIR/$path"
1292	}	1781	}
1293		1782
1294	# and all this just because we cannot iterate over	1783	# and all this just because we cannot iterate over
1295	# all maps in C++...	1784	# all maps in C++...
1296	sub change_all_map_light {	1785	sub change_all_map_light {
…		…
1298		1787
1299	$_->change_map_light ($change)	1788	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1789	for grep $_->outdoor, values %cf::MAP;
1301	}	1790	}
1302		1791
		1792	sub decay_objects {
		1793	my ($self) = @_;
		1794
		1795	return if $self->{deny_reset};
		1796
		1797	$self->do_decay_objects;
		1798	}
		1799
1303	sub unlink_save {	1800	sub unlink_save {
1304	my ($self) = @_;	1801	my ($self) = @_;
1305		1802
1306	utf8::encode (my $save = $self->save_path);	1803	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1804	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1805	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	1806	}
1315		1807
1316	sub load_header_from($) {	1808	sub load_header_from($) {
1317	my ($self, $path) = @_;	1809	my ($self, $path) = @_;
1318		1810
1319	utf8::encode $path;	1811	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	1812	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	1813	or return;
		1814
		1815	$self->_load_header ($f)
		1816	or return;
		1817
		1818	local $MAP_LOADING{$self->{path}} = $self;
		1819	$f->resolve_delayed_derefs;
1325		1820
1326	$self->{load_path} = $path;	1821	$self->{load_path} = $path;
1327		1822
1328	1	1823	1
1329	}	1824	}
…		…
1368	$self->load_header_orig	1863	$self->load_header_orig
1369	or return;	1864	or return;
1370	$self->prepare_orig;	1865	$self->prepare_orig;
1371	}	1866	}
1372		1867
		1868	$self->{deny_reset} = 1
		1869	if $self->no_reset;
		1870
		1871	$self->default_region (cf::region::find_by_path $self->{path})
		1872	unless $self->default_region;
		1873
1373	1	1874	1
1374	}	1875	}
1375		1876
1376	sub find;	1877	sub find;
1377	sub find {	1878	sub find {
1378	my ($path, $origin) = @_;	1879	my ($path, $origin) = @_;
1379		1880
1380	$path = normalise $path, $origin && $origin->path;	1881	$path = normalise $path, $origin && $origin->path;
1381		1882
		1883	cf::lock_wait "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	1884	cf::lock_wait "map_find:$path";
1383		1885
1384	$cf::MAP{$path} || do {	1886	$cf::MAP{$path} || do {
1385	my $guard = cf::lock_acquire "map_find:$path";	1887	my $guard1 = cf::lock_acquire "map_find:$path";
		1888	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1889
1386	my $map = new_from_path cf::map $path	1890	my $map = new_from_path cf::map $path
1387	or return;	1891	or return;
1388		1892
1389	$map->{last_save} = $cf::RUNTIME;	1893	$map->{last_save} = $cf::RUNTIME;
1390		1894
1391	$map->load_header	1895	$map->load_header
1392	or return;	1896	or return;
1393		1897
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1898	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1899	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1900	#$cf::WAIT_FOR_TICK->wait;
		1901	undef $guard1;
		1902	undef $guard2;
1397	$map->reset;	1903	$map->reset;
1398	undef $guard;
1399	return find $path;	1904	return find $path;
1400	}	1905	}
1401		1906
1402	$cf::MAP{$path} = $map	1907	$cf::MAP{$path} = $map
1403	}	1908	}
…		…
1410	my ($self) = @_;	1915	my ($self) = @_;
1411		1916
1412	local $self->{deny_reset} = 1; # loading can take a long time	1917	local $self->{deny_reset} = 1; # loading can take a long time
1413		1918
1414	my $path = $self->{path};	1919	my $path = $self->{path};
		1920
		1921	{
1415	my $guard = cf::lock_acquire "map_load:$path";	1922	my $guard = cf::lock_acquire "map_data:$path";
1416		1923
		1924	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	1925	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		1926
1419	$self->in_memory (cf::MAP_LOADING);	1927	$self->in_memory (cf::MAP_LOADING);
1420		1928
1421	$self->alloc;	1929	$self->alloc;
1422		1930
1423	$self->pre_load;	1931	$self->pre_load;
		1932	cf::cede_to_tick;
1424		1933
1425	$self->_load_objects ($self->{load_path}, 1)	1934	my $f = new_from_file cf::object::thawer $self->{load_path};
		1935	$f->skip_block;
		1936	$self->_load_objects ($f)
1426	or return;	1937	or return;
1427		1938
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1939	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1429	if delete $self->{load_original};	1940	if delete $self->{load_original};
1430		1941
1431	if (my $uniq = $self->uniq_path) {	1942	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	1943	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	1944	unless (aio_stat $uniq) {
		1945	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	1946	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	1947	$self->_load_objects ($f);
		1948	$f->resolve_delayed_derefs;
		1949	}
1436	}	1950	}
1437	}	1951	}
1438		1952
1439	Coro::cede;	1953	$f->resolve_delayed_derefs;
1440		1954
		1955	cf::cede_to_tick;
1441	# now do the right thing for maps	1956	# now do the right thing for maps
1442	$self->link_multipart_objects;	1957	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;
1449	$self->set_darkness_map;
1450	$self->difficulty ($self->estimate_difficulty)	1958	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	1959	unless $self->difficulty;
1452	Coro::cede;	1960	cf::cede_to_tick;
		1961
		1962	unless ($self->{deny_activate}) {
		1963	$self->decay_objects;
		1964	$self->fix_auto_apply;
		1965	$self->update_buttons;
		1966	cf::cede_to_tick;
		1967	$self->set_darkness_map;
		1968	cf::cede_to_tick;
1453	$self->activate;	1969	$self->activate;
		1970	}
		1971
		1972	$self->{last_save} = $cf::RUNTIME;
		1973	$self->last_access ($cf::RUNTIME);
		1974
		1975	$self->in_memory (cf::MAP_IN_MEMORY);
1454	}	1976	}
1455		1977
1456	$self->post_load;	1978	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	1979	}
1460		1980
1461	sub customise_for {	1981	sub customise_for {
1462	my ($self, $ob) = @_;	1982	my ($self, $ob) = @_;
1463		1983
1464	return find "~" . $ob->name . "/" . $self->{path}	1984	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	1985	if $self->per_player;
1466		1986
		1987	# return find "?party/" . $ob->name . "/" . $self->{path}
		1988	# if $self->per_party;
		1989
1467	$self	1990	$self
1468	}	1991	}
1469		1992
1470	# find and load all maps in the 3x3 area around a map	1993	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	1994	sub load_neighbours {
1472	my ($map) = @_;	1995	my ($map) = @_;
1473		1996
1474	my @diag; # diagonal neighbours	1997	my @neigh; # diagonal neighbours
1475		1998
1476	for (0 .. 3) {	1999	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	2000	my $neigh = $map->tile_path ($_)
1478	or next;	2001	or next;
1479	$neigh = find $neigh, $map	2002	$neigh = find $neigh, $map
1480	or next;	2003	or next;
1481	$neigh->load;	2004	$neigh->load;
1482		2005
		2006	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2007	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2008	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2009	}
1486		2010
1487	for (@diag) {	2011	for (grep defined $_->[0], @neigh) {
		2012	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2013	my $neigh = find $path, $origin
1489	or next;	2014	or next;
1490	$neigh->load;	2015	$neigh->load;
1491	}	2016	}
1492	}	2017	}
1493		2018
…		…
1498	}	2023	}
1499		2024
1500	sub do_load_sync {	2025	sub do_load_sync {
1501	my ($map) = @_;	2026	my ($map) = @_;
1502		2027
		2028	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2029	if $Coro::current == $Coro::main;
		2030
1503	cf::sync_job { $map->load };	2031	cf::sync_job { $map->load };
1504	}	2032	}
1505		2033
1506	our %MAP_PREFETCH;	2034	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2035	our $MAP_PREFETCHER = undef;
1508		2036
1509	sub find_async {	2037	sub find_async {
1510	my ($path, $origin) = @_;	2038	my ($path, $origin, $load) = @_;
1511		2039
1512	$path = normalise $path, $origin && $origin->{path};	2040	$path = normalise $path, $origin && $origin->{path};
1513		2041
1514	if (my $map = $cf::MAP{$path}) {	2042	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2043	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1516	}	2044	}
1517		2045
1518	undef $MAP_PREFETCH{$path};	2046	$MAP_PREFETCH{$path} |= $load;
		2047
1519	$MAP_PREFETCHER ||= cf::async {	2048	$MAP_PREFETCHER ||= cf::async {
1520	while (%MAP_PREFETCH) {	2049	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2050	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2051	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2052	$map->load if $v;
		2053	}
1525		2054
1526	delete $MAP_PREFETCH{$path};	2055	delete $MAP_PREFETCH{$k};
1527	}	2056	}
1528	}	2057	}
1529	undef $MAP_PREFETCHER;	2058	undef $MAP_PREFETCHER;
1530	};	2059	};
1531	$MAP_PREFETCHER->prio (6);	2060	$MAP_PREFETCHER->prio (6);
…		…
1534	}	2063	}
1535		2064
1536	sub save {	2065	sub save {
1537	my ($self) = @_;	2066	my ($self) = @_;
1538		2067
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;	2068	my $lock = cf::lock_acquire "map_data:$self->{path}";
1540		2069
1541	$self->{last_save} = $cf::RUNTIME;	2070	$self->{last_save} = $cf::RUNTIME;
1542		2071
1543	return unless $self->dirty;	2072	return unless $self->dirty;
1544		2073
…		…
1567	my ($self) = @_;	2096	my ($self) = @_;
1568		2097
1569	# save first because save cedes	2098	# save first because save cedes
1570	$self->save;	2099	$self->save;
1571		2100
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2101	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2102
1574	return if $self->players;	2103	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;	2104	return if $self->in_memory != cf::MAP_IN_MEMORY;
1576	return if $self->{deny_save};	2105	return if $self->{deny_save};
1577		2106
		2107	$self->in_memory (cf::MAP_SWAPPED);
		2108
		2109	$self->deactivate;
		2110	$_->clear_links_to ($self) for values %cf::MAP;
1578	$self->clear;	2111	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2112	}
1581		2113
1582	sub reset_at {	2114	sub reset_at {
1583	my ($self) = @_;	2115	my ($self) = @_;
1584		2116
1585	# TODO: safety, remove and allow resettable per-player maps	2117	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2118	return 1e99 if $self->{deny_reset};
1588		2119
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2120	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2121	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2122
…		…
1602	my ($self) = @_;	2133	my ($self) = @_;
1603		2134
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2135	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2136
1606	return if $self->players;	2137	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2138
1609	warn "resetting map ", $self->path;#d#	2139	warn "resetting map ", $self->path;
		2140
		2141	$self->in_memory (cf::MAP_SWAPPED);
		2142
		2143	# need to save uniques path
		2144	unless ($self->{deny_save}) {
		2145	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2146
		2147	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2148	if $uniq;
		2149	}
1610		2150
1611	delete $cf::MAP{$self->path};	2151	delete $cf::MAP{$self->path};
1612		2152
1613	$self->in_memory (cf::MAP_SWAPPED);	2153	$self->deactivate;
		2154	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2155	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2156
1618	$self->unlink_save;	2157	$self->unlink_save;
1619	$self->destroy;	2158	$self->destroy;
1620	}	2159	}
1621		2160
1622	my $nuke_counter = "aaaa";	2161	my $nuke_counter = "aaaa";
1623		2162
1624	sub nuke {	2163	sub nuke {
1625	my ($self) = @_;	2164	my ($self) = @_;
1626		2165
		2166	{
		2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2168
1627	delete $cf::MAP{$self->path};	2169	delete $cf::MAP{$self->path};
1628		2170
1629	$self->unlink_save;	2171	$self->unlink_save;
1630		2172
1631	bless $self, "cf::map";	2173	bless $self, "cf::map";
1632	delete $self->{deny_reset};	2174	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2175	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2176	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2177	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2178
1637	$cf::MAP{$self->path} = $self;	2179	$cf::MAP{$self->path} = $self;
		2180	}
1638		2181
1639	$self->reset; # polite request, might not happen	2182	$self->reset; # polite request, might not happen
		2183	}
		2184
		2185	=item $maps = cf::map::tmp_maps
		2186
		2187	Returns an arrayref with all map paths of currently instantiated and saved
		2188	maps. May block.
		2189
		2190	=cut
		2191
		2192	sub tmp_maps() {
		2193	[
		2194	map {
		2195	utf8::decode $_;
		2196	/\.map$/
		2197	? normalise $_
		2198	: ()
		2199	} @{ aio_readdir $TMPDIR or [] }
		2200	]
		2201	}
		2202
		2203	=item $maps = cf::map::random_maps
		2204
		2205	Returns an arrayref with all map paths of currently instantiated and saved
		2206	random maps. May block.
		2207
		2208	=cut
		2209
		2210	sub random_maps() {
		2211	[
		2212	map {
		2213	utf8::decode $_;
		2214	/\.map$/
		2215	? normalise "?random/$_"
		2216	: ()
		2217	} @{ aio_readdir $RANDOMDIR or [] }
		2218	]
1640	}	2219	}
1641		2220
1642	=item cf::map::unique_maps	2221	=item cf::map::unique_maps
1643		2222
1644	Returns an arrayref of paths of all shared maps that have	2223	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2224	instantiated unique items. May block.
1646		2225
1647	=cut	2226	=cut
1648		2227
1649	sub unique_maps() {	2228	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2229	[
1651	or return;	2230	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2231	utf8::decode $_;
1657	next if /\.pst$/;	2232	/\.map$/
1658	next unless /^$PATH_SEP/o;	2233	? normalise $_
1659		2234	: ()
1660	push @paths, cf::map::normalise $_;	2235	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2236	]
1662
1663	\@paths
1664	}	2237	}
1665		2238
1666	package cf;	2239	package cf;
1667		2240
1668	=back	2241	=back
…		…
1686	map { $_, inv_recursive_ $_->inv } @_	2259	map { $_, inv_recursive_ $_->inv } @_
1687	}	2260	}
1688		2261
1689	sub inv_recursive {	2262	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2263	inv_recursive_ inv $_[0]
		2264	}
		2265
		2266	=item $ref = $ob->ref
		2267
		2268	creates and returns a persistent reference to an objetc that can be stored as a string.
		2269
		2270	=item $ob = cf::object::deref ($refstring)
		2271
		2272	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2273	even if the object actually exists. May block.
		2274
		2275	=cut
		2276
		2277	sub deref {
		2278	my ($ref) = @_;
		2279
		2280	# temporary compatibility#TODO#remove
		2281	$ref =~ s{^<}{player/<};
		2282
		2283	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2284	my ($uuid, $name) = ($1, $2);
		2285	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2286	or return;
		2287	$pl->ob->uuid eq $uuid
		2288	or return;
		2289
		2290	$pl->ob
		2291	} else {
		2292	warn "$ref: cannot resolve object reference\n";
		2293	undef
		2294	}
1691	}	2295	}
1692		2296
1693	package cf;	2297	package cf;
1694		2298
1695	=back	2299	=back
…		…
1714		2318
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2319	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2320
1717	if ($self->{record_replies}) {	2321	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2322	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2323
1719	} else {	2324	} else {
		2325	my $pl = $self->contr;
		2326
		2327	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2328	my $dialog = $pl->{npc_dialog};
		2329	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2330
		2331	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2332	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2333	$self->message ($msg, $flags);
		2334	}
1722	}	2335	}
		2336	}
		2337
		2338	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2339
		2340	=cut
		2341
		2342	sub cf::object::send_msg {
		2343	my $pl = shift->contr
		2344	or return;
		2345	$pl->send_msg (@_);
1723	}	2346	}
1724		2347
1725	=item $player_object->may ("access")	2348	=item $player_object->may ("access")
1726		2349
1727	Returns wether the given player is authorized to access resource "access"	2350	Returns wether the given player is authorized to access resource "access"
…		…
1774	$self->deactivate_recursive;	2397	$self->deactivate_recursive;
1775		2398
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2399	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2400
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2401	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2402	if $self->map && $self->map->{path} ne "{link}";
1780		2403
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2404	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2405	}
1783		2406
1784	sub cf::object::player::leave_link {	2407	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2408	my ($self, $map, $x, $y) = @_;
		2409
		2410	return unless $self->contr->active;
1786		2411
1787	my $link_pos = delete $self->{_link_pos};	2412	my $link_pos = delete $self->{_link_pos};
1788		2413
1789	unless ($map) {	2414	unless ($map) {
1790	# restore original map position	2415	# restore original map position
…		…
1804	# use -1 or undef as default coordinates, not 0, 0	2429	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2430	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2431	if $x <=0 && $y <= 0;
1807		2432
1808	$map->load;	2433	$map->load;
1809	$map->load_diag;	2434	$map->load_neighbours;
1810		2435
1811	return unless $self->contr->active;	2436	return unless $self->contr->active;
1812	$self->activate_recursive;	2437	$self->activate_recursive;
		2438
		2439	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2440	$self->enter_map ($map, $x, $y);
1814	}	2441	}
1815		2442
1816	cf::player->attach (	2443	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2444
1820	# abort map switching before logout	2445	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2446	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2447	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2448	the new (success) or old (failed) map position. In either case, $done will
1824	};	2449	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2450
1830	# try to abort aborted map switching on player login :)
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2451	=cut
		2452
		2453	our $GOTOGEN;
1851		2454
1852	sub cf::object::player::goto {	2455	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2456	my ($self, $path, $x, $y, $check, $done) = @_;
		2457
		2458	# do generation counting so two concurrent goto's will be executed in-order
		2459	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2460
1855	$self->enter_link;	2461	$self->enter_link;
1856		2462
1857	(async {	2463	(async {
		2464	# *tag paths override both path and x|y
		2465	if ($path =~ /^\*(.*)$/) {
		2466	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2467	my $ob = $obs[rand @obs];
		2468
		2469	# see if we actually can go there
		2470	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2471	$ob = $obs[rand @obs];
		2472	} else {
		2473	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2474	}
		2475	# else put us there anyways for now #d#
		2476
		2477	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2478	} else {
		2479	($path, $x, $y) = (undef, undef, undef);
		2480	}
		2481	}
		2482
1858	my $map = eval {	2483	my $map = eval {
1859	my $map = cf::map::find $path;	2484	my $map = defined $path ? cf::map::find $path : undef;
		2485
		2486	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2487	$map = $map->customise_for ($self);
		2488	$map = $check->($map) if $check && $map;
		2489	} else {
		2490	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2491	}
		2492
1861	$map	2493	$map
		2494	};
		2495
		2496	if ($@) {
		2497	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2498	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2499	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2500
		2501	if ($gen == $self->{_goto_generation}) {
		2502	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2503	$self->leave_link ($map, $x, $y);
		2504	}
		2505
		2506	$done->() if $done;
1866	})->prio (1);	2507	})->prio (1);
1867	}	2508	}
1868		2509
1869	=item $player_object->enter_exit ($exit_object)	2510	=item $player_object->enter_exit ($exit_object)
1870		2511
…		…
1909		2550
1910	$rmp->{random_seed} ||= $exit->random_seed;	2551	$rmp->{random_seed} ||= $exit->random_seed;
1911		2552
1912	my $data = cf::to_json $rmp;	2553	my $data = cf::to_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2554	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2555	my $meta = "$RANDOMDIR/$md5.meta";
1915		2556
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2557	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2558	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2559	undef $fh;
1919	aio_rename "$meta~", $meta;	2560	aio_rename "$meta~", $meta;
…		…
1928		2569
1929	return unless $self->type == cf::PLAYER;	2570	return unless $self->type == cf::PLAYER;
1930		2571
1931	if ($exit->slaying eq "/!") {	2572	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job	2573	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2574	# the problem is that $exit might not survive long enough
		2575	# so it needs to be done right now, right here
1933	cf::sync_job { prepare_random_map $exit };	2576	cf::sync_job { prepare_random_map $exit };
1934	}	2577	}
1935		2578
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2579	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;	2580	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;	2581	my $sp = $exit->stats->sp;
1939		2582
1940	$self->enter_link;	2583	$self->enter_link;
		2584
		2585	# if exit is damned, update players death & WoR home-position
		2586	$self->contr->savebed ($slaying, $hp, $sp)
		2587	if $exit->flag (FLAG_DAMNED);
1941		2588
1942	(async {	2589	(async {
1943	$self->deactivate_recursive; # just to be sure	2590	$self->deactivate_recursive; # just to be sure
1944	unless (eval {	2591	unless (eval {
1945	$self->goto ($slaying, $hp, $sp);	2592	$self->goto ($slaying, $hp, $sp);
1946		2593
1947	1;	2594	1;
1948	}) {	2595	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2596	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2597	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2598	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2599	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2600
1954	warn "ERROR in enter_exit: $@";	2601	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2602	$self->leave_link;
1956	}	2603	}
1957	})->prio (1);	2604	})->prio (1);
…		…
1970		2617
1971	sub cf::client::send_drawinfo {	2618	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2619	my ($self, $text, $flags) = @_;
1973		2620
1974	utf8::encode $text;	2621	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2622	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2623	}
1977		2624
		2625	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2626
		2627	Send a drawinfo or msg packet to the client, formatting the msg for the
		2628	client if neccessary. C<$type> should be a string identifying the type of
		2629	the message, with C<log> being the default. If C<$color> is negative, suppress
		2630	the message unless the client supports the msg packet.
		2631
		2632	=cut
		2633
		2634	our %CHANNEL = (
		2635	"c/identify" => {
		2636	id => "identify",
		2637	title => "Identify",
		2638	reply => undef,
		2639	tooltip => "Items recently identified",
		2640	},
		2641	"c/examine" => {
		2642	id => "examine",
		2643	title => "Examine",
		2644	reply => undef,
		2645	tooltip => "Signs and other items you examined",
		2646	},
		2647	);
		2648
		2649	sub cf::client::send_msg {
		2650	my ($self, $channel, $msg, $color, @extra) = @_;
		2651
		2652	$msg = $self->pl->expand_cfpod ($msg);
		2653
		2654	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2655
		2656	# check predefined channels, for the benefit of C
		2657	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2658
		2659	if (ref $channel) {
		2660	# send meta info to client, if not yet sent
		2661	unless (exists $self->{channel}{$channel->{id}}) {
		2662	$self->{channel}{$channel->{id}} = $channel;
		2663	$self->ext_msg (channel_info => $channel)
		2664	if $self->can_msg;
		2665	}
		2666
		2667	$channel = $channel->{id};
		2668	}
		2669
		2670	return unless @extra || length $msg;
		2671
		2672	if ($self->can_msg) {
		2673	# default colour, mask it out
		2674	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2675	if $color & cf::NDI_DEF;
		2676
		2677	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2678	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2679	} else {
		2680	if ($color >= 0) {
		2681	# replace some tags by gcfclient-compatible ones
		2682	for ($msg) {
		2683	1 while
		2684	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2685	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2686	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2687	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2688	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2689	}
		2690
		2691	$color &= cf::NDI_COLOR_MASK;
		2692
		2693	utf8::encode $msg;
		2694
		2695	if (0 && $msg =~ /\[/) {
		2696	# COMMAND/INFO
		2697	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2698	} else {
		2699	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2700	$self->send_packet ("drawinfo $color $msg")
		2701	}
		2702	}
		2703	}
		2704	}
		2705
		2706	=item $client->ext_msg ($type, @msg)
		2707
		2708	Sends an ext event to the client.
		2709
		2710	=cut
		2711
		2712	sub cf::client::ext_msg($$@) {
		2713	my ($self, $type, @msg) = @_;
		2714
		2715	if ($self->extcmd == 2) {
		2716	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2717	} elsif ($self->extcmd == 1) { # TODO: remove
		2718	push @msg, msgtype => "event_$type";
		2719	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2720	}
		2721	}
		2722
		2723	=item $client->ext_reply ($msgid, @msg)
		2724
		2725	Sends an ext reply to the client.
		2726
		2727	=cut
		2728
		2729	sub cf::client::ext_reply($$@) {
		2730	my ($self, $id, @msg) = @_;
		2731
		2732	if ($self->extcmd == 2) {
		2733	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2734	} elsif ($self->extcmd == 1) {
		2735	#TODO: version 1, remove
		2736	unshift @msg, msgtype => "reply", msgid => $id;
		2737	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2738	}
		2739	}
1978		2740
1979	=item $success = $client->query ($flags, "text", \&cb)	2741	=item $success = $client->query ($flags, "text", \&cb)
1980		2742
1981	Queues a query to the client, calling the given callback with	2743	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2744	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2745	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2746
1985	Queries can fail, so check the return code. Or don't, as queries will become	2747	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2748	become reliable at some point in the future.
1987		2749
1988	=cut	2750	=cut
1989		2751
1990	sub cf::client::query {	2752	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2753	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2761	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2762	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2763
2002	$self->send_packet ($self->{query_queue}[0][0])	2764	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2765	if @{ $self->{query_queue} } == 1;
		2766
		2767	1
2004	}	2768	}
2005		2769
2006	cf::client->attach (	2770	cf::client->attach (
		2771	on_connect => sub {
		2772	my ($ns) = @_;
		2773
		2774	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2775	},
2007	on_reply => sub {	2776	on_reply => sub {
2008	my ($ns, $msg) = @_;	2777	my ($ns, $msg) = @_;
2009		2778
2010	# this weird shuffling is so that direct followup queries	2779	# this weird shuffling is so that direct followup queries
2011	# get handled first	2780	# get handled first
…		…
2023	} else {	2792	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2793	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2794	}
2026	}	2795	}
2027	},	2796	},
		2797	on_exticmd => sub {
		2798	my ($ns, $buf) = @_;
		2799
		2800	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2801
		2802	if (ref $msg) {
		2803	my ($type, $reply, @payload) =
		2804	"ARRAY" eq ref $msg
		2805	? @$msg
		2806	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2807
		2808	my @reply;
		2809
		2810	if (my $cb = $EXTICMD{$type}) {
		2811	@reply = $cb->($ns, @payload);
		2812	}
		2813
		2814	$ns->ext_reply ($reply, @reply)
		2815	if $reply;
		2816
		2817	} else {
		2818	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2819	}
		2820
		2821	cf::override;
		2822	},
2028	);	2823	);
2029		2824
2030	=item $client->async (\&cb)	2825	=item $client->async (\&cb)
2031		2826
2032	Create a new coroutine, running the specified callback. The coroutine will	2827	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	2868	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	2869	our $safe_hole = new Safe::Hole;
2075		2870
2076	$SIG{FPE} = 'IGNORE';	2871	$SIG{FPE} = 'IGNORE';
2077		2872
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2873	$safe->permit_only (Opcode::opset qw(
		2874	:base_core :base_mem :base_orig :base_math
		2875	grepstart grepwhile mapstart mapwhile
		2876	sort time
		2877	));
2079		2878
2080	# here we export the classes and methods available to script code	2879	# here we export the classes and methods available to script code
2081		2880
2082	=pod	2881	=pod
2083		2882
2084	The following fucntions and emthods are available within a safe environment:	2883	The following functions and methods are available within a safe environment:
2085		2884
2086	cf::object contr pay_amount pay_player map	2885	cf::object
		2886	contr pay_amount pay_player map x y force_find force_add
		2887	insert remove name archname title slaying race decrease_ob_nr
		2888
2087	cf::object::player player	2889	cf::object::player
2088	cf::player peaceful	2890	player
2089	cf::map trigger	2891
		2892	cf::player
		2893	peaceful
		2894
		2895	cf::map
		2896	trigger
2090		2897
2091	=cut	2898	=cut
2092		2899
2093	for (	2900	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	2901	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2902	insert remove inv name archname title slaying race
		2903	decrease_ob_nr)],
2095	["cf::object::player" => qw(player)],	2904	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	2905	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	2906	["cf::map" => qw(trigger)],
2098	) {	2907	) {
2099	no strict 'refs';	2908	no strict 'refs';
…		…
2170	=back	2979	=back
2171		2980
2172	=cut	2981	=cut
2173		2982
2174	#############################################################################	2983	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281
2282	#############################################################################
2283	# the server's init and main functions	2984	# the server's init and main functions
2284		2985
2285	sub load_resources {	2986	sub load_facedata($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2987	my ($path) = @_;
		2988
		2989	# HACK to clear player env face cache, we need some signal framework
		2990	# for this (global event?)
		2991	%ext::player_env::MUSIC_FACE_CACHE = ();
		2992
		2993	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2994
		2995	warn "loading facedata from $path\n";
		2996
		2997	my $facedata;
		2998	0 < aio_load $path, $facedata
		2999	or die "$path: $!";
		3000
		3001	$facedata = Coro::Storable::thaw $facedata;
		3002
		3003	$facedata->{version} == 2
		3004	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3005
		3006	# patch in the exptable
		3007	$facedata->{resource}{"res/exp_table"} = {
		3008	type => FT_RSRC,
		3009	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3010	};
		3011	cf::cede_to_tick;
		3012
		3013	{
		3014	my $faces = $facedata->{faceinfo};
		3015
		3016	while (my ($face, $info) = each %$faces) {
		3017	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3018	cf::face::set_visibility $idx, $info->{visibility};
		3019	cf::face::set_magicmap $idx, $info->{magicmap};
		3020	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3021	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3022
		3023	cf::cede_to_tick;
		3024	}
		3025
		3026	while (my ($face, $info) = each %$faces) {
		3027	next unless $info->{smooth};
		3028	my $idx = cf::face::find $face
		3029	or next;
		3030	if (my $smooth = cf::face::find $info->{smooth}) {
		3031	cf::face::set_smooth $idx, $smooth;
		3032	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3033	} else {
		3034	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3035	}
		3036
		3037	cf::cede_to_tick;
		3038	}
		3039	}
		3040
		3041	{
		3042	my $anims = $facedata->{animinfo};
		3043
		3044	while (my ($anim, $info) = each %$anims) {
		3045	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3046	cf::cede_to_tick;
		3047	}
		3048
		3049	cf::anim::invalidate_all; # d'oh
		3050	}
		3051
		3052	{
		3053	# TODO: for gcfclient pleasure, we should give resources
		3054	# that gcfclient doesn't grok a >10000 face index.
		3055	my $res = $facedata->{resource};
		3056
		3057	my $soundconf = delete $res->{"res/sound.conf"};
		3058
		3059	while (my ($name, $info) = each %$res) {
		3060	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3061	my $data;
		3062
		3063	if ($info->{type} & 1) {
		3064	# prepend meta info
		3065
		3066	my $meta = $enc->encode ({
		3067	name => $name,
		3068	%{ $info->{meta} || {} },
		3069	});
		3070
		3071	$data = pack "(w/a*)*", $meta, $info->{data};
		3072	} else {
		3073	$data = $info->{data};
		3074	}
		3075
		3076	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3077	cf::face::set_type $idx, $info->{type};
		3078
		3079	cf::cede_to_tick;
		3080	}
		3081
		3082	if ($soundconf) {
		3083	$soundconf = $enc->decode (delete $soundconf->{data});
		3084
		3085	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3086	my $sound = $soundconf->{compat}[$_]
		3087	or next;
		3088
		3089	my $face = cf::face::find "sound/$sound->[1]";
		3090	cf::sound::set $sound->[0] => $face;
		3091	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3092	}
		3093
		3094	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3095	my $face = cf::face::find "sound/$v";
		3096	cf::sound::set $k => $face;
		3097	}
		3098	}
		3099	}
		3100
		3101	1
		3102	}
		3103
		3104	register_exticmd fx_want => sub {
		3105	my ($ns, $want) = @_;
		3106
		3107	while (my ($k, $v) = each %$want) {
		3108	$ns->fx_want ($k, $v);
		3109	}
		3110	};
		3111
		3112	sub reload_regions {
		3113	# HACK to clear player env face cache, we need some signal framework
		3114	# for this (global event?)
		3115	%ext::player_env::MUSIC_FACE_CACHE = ();
		3116
		3117	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3118	or die "unable to load regions file\n";
2288	}
2289		3119
2290	sub cfg_load {	3120	for (cf::region::list) {
		3121	$_->{match} = qr/$_->{match}/
		3122	if exists $_->{match};
		3123	}
		3124	}
		3125
		3126	sub reload_facedata {
		3127	load_facedata "$DATADIR/facedata"
		3128	or die "unable to load facedata\n";
		3129	}
		3130
		3131	sub reload_archetypes {
		3132	load_resource_file "$DATADIR/archetypes"
		3133	or die "unable to load archetypes\n";
		3134	#d# NEED to laod twice to resolve forward references
		3135	# this really needs to be done in an extra post-pass
		3136	# (which needs to be synchronous, so solve it differently)
		3137	load_resource_file "$DATADIR/archetypes"
		3138	or die "unable to load archetypes\n";
		3139	}
		3140
		3141	sub reload_treasures {
		3142	load_resource_file "$DATADIR/treasures"
		3143	or die "unable to load treasurelists\n";
		3144	}
		3145
		3146	sub reload_resources {
		3147	warn "reloading resource files...\n";
		3148
		3149	reload_regions;
		3150	reload_facedata;
		3151	#reload_archetypes;#d#
		3152	reload_archetypes;
		3153	reload_treasures;
		3154
		3155	warn "finished reloading resource files\n";
		3156	}
		3157
		3158	sub init {
		3159	reload_resources;
		3160	}
		3161
		3162	sub reload_config {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3163	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	3164	or return;
2293		3165
2294	local $/;	3166	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	3167	*CFG = YAML::Syck::Load <$fh>;
2296		3168
…		…
2304	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3176	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2305	and die "WARNING: m(un)lockall failed: $!\n";	3177	and die "WARNING: m(un)lockall failed: $!\n";
2306	};	3178	};
2307	warn $@ if $@;	3179	warn $@ if $@;
2308	}	3180	}
2309	}
2310
2311	sub init {
2312	load_resources;
2313	}	3181	}
2314		3182
2315	sub main {	3183	sub main {
2316	# we must not ever block the main coroutine	3184	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3185	local $Coro::idle = sub {
…		…
2319	(async {	3187	(async {
2320	Event::one_event;	3188	Event::one_event;
2321	})->prio (Coro::PRIO_MAX);	3189	})->prio (Coro::PRIO_MAX);
2322	};	3190	};
2323		3191
2324	cfg_load;	3192	reload_config;
2325	db_load;	3193	db_init;
2326	load_extensions;	3194	load_extensions;
2327		3195
2328	$TICK_WATCHER->start;	3196	$TICK_WATCHER->start;
2329	Event::loop;	3197	Event::loop;
2330	}	3198	}
…		…
2345	},	3213	},
2346	);	3214	);
2347	}	3215	}
2348	}	3216	}
2349		3217
		3218	sub write_runtime {
		3219	my $runtime = "$LOCALDIR/runtime";
		3220
		3221	# first touch the runtime file to show we are still running:
		3222	# the fsync below can take a very very long time.
		3223
		3224	IO::AIO::aio_utime $runtime, undef, undef;
		3225
		3226	my $guard = cf::lock_acquire "write_runtime";
		3227
		3228	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3229	or return;
		3230
		3231	my $value = $cf::RUNTIME + 90 + 10;
		3232	# 10 is the runtime save interval, for a monotonic clock
		3233	# 60 allows for the watchdog to kill the server.
		3234
		3235	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3236	and return;
		3237
		3238	# always fsync - this file is important
		3239	aio_fsync $fh
		3240	and return;
		3241
		3242	# touch it again to show we are up-to-date
		3243	aio_utime $fh, undef, undef;
		3244
		3245	close $fh
		3246	or return;
		3247
		3248	aio_rename "$runtime~", $runtime
		3249	and return;
		3250
		3251	warn "runtime file written.\n";
		3252
		3253	1
		3254	}
		3255
2350	sub emergency_save() {	3256	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3257	my $freeze_guard = cf::freeze_mainloop;
2352		3258
2353	warn "enter emergency perl save\n";	3259	warn "enter emergency perl save\n";
2354		3260
…		…
2369	my $map = $cf::MAP{$path} or next;	3275	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3276	$map->valid or next;
2371	$map->save;	3277	$map->save;
2372	}	3278	}
2373	warn "end emergency map save\n";	3279	warn "end emergency map save\n";
		3280
		3281	warn "begin emergency database checkpoint\n";
		3282	BDB::db_env_txn_checkpoint $DB_ENV;
		3283	warn "end emergency database checkpoint\n";
2374	};	3284	};
2375		3285
2376	warn "leave emergency perl save\n";	3286	warn "leave emergency perl save\n";
2377	}	3287	}
2378		3288
		3289	sub post_cleanup {
		3290	my ($make_core) = @_;
		3291
		3292	warn Carp::longmess "post_cleanup backtrace"
		3293	if $make_core;
		3294	}
		3295
2379	sub reload() {	3296	sub do_reload_perl() {
2380	# can/must only be called in main	3297	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3298	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3299	warn "can only reload from main coroutine";
2383	return;	3300	return;
2384	}	3301	}
2385		3302
2386	warn "reloading...";	3303	warn "reloading...";
2387		3304
2388	warn "cancelling server ticker";	3305	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3306
		3307	cf::sync_job {
		3308	cf::write_runtime; # external watchdog should not bark
2391	cf::emergency_save;	3309	cf::emergency_save;
		3310	cf::write_runtime; # external watchdog should not bark
2392		3311
2393	eval {	3312	warn "syncing database to disk";
		3313	BDB::db_env_txn_checkpoint $DB_ENV;
		3314
2394	# if anything goes wrong in here, we should simply crash as we already saved	3315	# if anything goes wrong in here, we should simply crash as we already saved
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398		3316
2399	warn "cancelling all WF_AUTOCANCEL watchers";	3317	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {	3318	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;	3319	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}	3320	}
2403		3321
2404	warn "flushing outstanding aio requests";	3322	warn "flushing outstanding aio requests";
2405	for (;;) {	3323	for (;;) {
		3324	BDB::flush;
2406	IO::AIO::flush;	3325	IO::AIO::flush;
2407	Coro::cede;	3326	Coro::cede;
2408	last unless IO::AIO::nreqs;	3327	last unless IO::AIO::nreqs || BDB::nreqs;
2409	warn "iterate...";	3328	warn "iterate...";
2410	}	3329	}
		3330
		3331	++$RELOAD;
2411		3332
2412	warn "cancelling all extension coros";	3333	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3334	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3335	%EXT_CORO = ();
2415		3336
2416	warn "removing commands";	3337	warn "removing commands";
2417	%COMMAND = ();	3338	%COMMAND = ();
2418		3339
2419	warn "removing ext commands";	3340	warn "removing ext/exti commands";
2420	%EXTCMD = ();	3341	%EXTCMD = ();
		3342	%EXTICMD = ();
2421		3343
2422	warn "unloading/nuking all extensions";	3344	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3345	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3346	warn "... unloading $pkg";
2425		3347
…		…
2455	Symbol::delete_package "safe::$_"	3377	Symbol::delete_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3379
2458	warn "unloading cf.pm \"a bit\"";	3380	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3381	delete $INC{"cf.pm"};
		3382	delete $INC{"cf/pod.pm"};
2460		3383
2461	# don't, removes xs symbols, too,	3384	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3385	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3386	#Symbol::delete_package __PACKAGE__;
2464		3387
…		…
2467	warn "reloading cf.pm";	3390	warn "reloading cf.pm";
2468	require cf;	3391	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3392	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3393
2471	warn "loading config and database again";	3394	warn "loading config and database again";
2472	cf::cfg_load;	3395	cf::reload_config;
2473	cf::db_load;
2474		3396
2475	warn "loading extensions";	3397	warn "loading extensions";
2476	cf::load_extensions;	3398	cf::load_extensions;
2477		3399
2478	warn "reattaching attachments to objects/players";	3400	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3401	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3402	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3403	reattach $_ for values %MAP;
		3404	warn "reattaching attachments to players";
		3405	reattach $_ for values %PLAYER;
2482		3406
2483	warn "loading reloadable resources";	3407	warn "leaving sync_job";
2484	load_resources;
2485		3408
2486	warn "restarting server ticker";	3409	1
2487		3410	} or do {
2488	$TICK_WATCHER->start;
2489	};
2490
2491	if ($@) {
2492	warn $@;	3411	warn $@;
2493	warn "error while reloading, exiting.";	3412	warn "error while reloading, exiting.";
2494	exit 1;	3413	exit 1;
2495	}	3414	};
2496		3415
2497	warn "reloaded";	3416	warn "reloaded";
2498	};	3417	};
2499		3418
2500	our $RELOAD_WATCHER; # used only during reload	3419	our $RELOAD_WATCHER; # used only during reload
2501		3420
		3421	sub reload_perl() {
		3422	# doing reload synchronously and two reloads happen back-to-back,
		3423	# coro crashes during coro_state_free->destroy here.
		3424
		3425	$RELOAD_WATCHER ||= Event->timer (
		3426	reentrant => 0,
		3427	after => 0,
		3428	data => WF_AUTOCANCEL,
		3429	cb => sub {
		3430	do_reload_perl;
		3431	undef $RELOAD_WATCHER;
		3432	},
		3433	);
		3434	}
		3435
2502	register_command "reload" => sub {	3436	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3437	my ($who, $arg) = @_;
2504		3438
2505	if ($who->flag (FLAG_WIZ)) {	3439	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3440	$who->message ("reloading server.");
2507		3441	async { reload_perl };
2508	# doing reload synchronously and two reloads happen back-to-back,
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);
2520	}	3442	}
2521	};	3443	};
2522		3444
2523	unshift @INC, $LIBDIR;	3445	unshift @INC, $LIBDIR;
2524		3446
2525	my $bug_warning = 0;	3447	my $bug_warning = 0;
		3448
		3449	our @WAIT_FOR_TICK;
		3450	our @WAIT_FOR_TICK_BEGIN;
		3451
		3452	sub wait_for_tick {
		3453	return unless $TICK_WATCHER->is_active;
		3454	return if $Coro::current == $Coro::main;
		3455
		3456	my $signal = new Coro::Signal;
		3457	push @WAIT_FOR_TICK, $signal;
		3458	$signal->wait;
		3459	}
		3460
		3461	sub wait_for_tick_begin {
		3462	return unless $TICK_WATCHER->is_active;
		3463	return if $Coro::current == $Coro::main;
		3464
		3465	my $signal = new Coro::Signal;
		3466	push @WAIT_FOR_TICK_BEGIN, $signal;
		3467	$signal->wait;
		3468	}
2526		3469
2527	$TICK_WATCHER = Event->timer (	3470	$TICK_WATCHER = Event->timer (
2528	reentrant => 0,	3471	reentrant => 0,
2529	parked => 1,	3472	parked => 1,
2530	prio => 0,	3473	prio => 0,
…		…
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3478	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3479	unless ++$bug_warning > 10;
2537	return;	3480	return;
2538	}	3481	}
2539		3482
2540	$NOW = Event::time;	3483	$NOW = $tick_start = Event::time;
2541		3484
2542	cf::server_tick; # one server iteration	3485	cf::server_tick; # one server iteration
		3486
2543	$RUNTIME += $TICK;	3487	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;	3488	$NEXT_TICK += $TICK;
2545		3489
2546	$WAIT_FOR_TICK->broadcast;	3490	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3491	$NEXT_RUNTIME_WRITE = $NOW + 10;
2548		3492	Coro::async_pool {
2549	Event::sweep;	3493	write_runtime
2550	Coro::cede_notself;	3494	or warn "ERROR: unable to write runtime file: $!";
		3495	};
2551		3496	}
2552	# my $AFTER = Event::time;	3497
2553	# warn $AFTER - $NOW;#d#	3498	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3499	$sig->send;
		3500	}
		3501	while (my $sig = shift @WAIT_FOR_TICK) {
		3502	$sig->send;
		3503	}
		3504
		3505	$NOW = Event::time;
2554		3506
2555	# if we are delayed by four ticks or more, skip them all	3507	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3508	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2557		3509
2558	$TICK_WATCHER->at ($NEXT_TICK);	3510	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;	3511	$TICK_WATCHER->start;
		3512
		3513	$LOAD = ($NOW - $tick_start) / $TICK;
		3514	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3515
		3516	_post_tick;
2560	},	3517	},
2561	);	3518	);
2562		3519
2563	{	3520	{
		3521	BDB::min_parallel 8;
2564	BDB::max_poll_time $TICK * 0.1;	3522	BDB::max_poll_time $TICK * 0.1;
2565	$BDB_POLL_WATCHER = Event->io (	3523	$BDB_POLL_WATCHER = Event->io (
2566	reentrant => 0,	3524	reentrant => 0,
2567	fd => BDB::poll_fileno,	3525	fd => BDB::poll_fileno,
2568	poll => 'r',	3526	poll => 'r',
2569	prio => 0,	3527	prio => 0,
2570	data => WF_AUTOCANCEL,	3528	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,	3529	cb => \&BDB::poll_cb,
2572	);	3530	);
2573	BDB::min_parallel 8;
2574		3531
2575	BDB::set_sync_prepare {	3532	BDB::set_sync_prepare {
2576	my $status;	3533	my $status;
2577	my $current = $Coro::current;	3534	my $current = $Coro::current;
2578	(	3535	(
…		…
2587	)	3544	)
2588	};	3545	};
2589		3546
2590	unless ($DB_ENV) {	3547	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3548	$DB_ENV = BDB::db_env_create;
		3549	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3550	| BDB::LOG_AUTOREMOVE, 1);
		3551	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3552	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		3553
2593	cf::sync_job {	3554	cf::sync_job {
		3555	eval {
2594	BDB::db_env_open	3556	BDB::db_env_open
2595	$DB_ENV,	3557	$DB_ENV,
2596	$BDB_ENV_DIR,	3558	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3559	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3560	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3561	0666;
2600		3562
2601	cf::cleanup "$!" if $!;	3563	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3564	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3565
2604	$DB_ENV->set_lk_detect;	3566	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	3567	};
2606	}	3568	}
		3569
		3570	$BDB_DEADLOCK_WATCHER = Event->timer (
		3571	after => 3,
		3572	interval => 1,
		3573	hard => 1,
		3574	prio => 0,
		3575	data => WF_AUTOCANCEL,
		3576	cb => sub {
		3577	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3578	},
		3579	);
		3580	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3581	after => 11,
		3582	interval => 60,
		3583	hard => 1,
		3584	prio => 0,
		3585	data => WF_AUTOCANCEL,
		3586	cb => sub {
		3587	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3588	},
		3589	);
		3590	$BDB_TRICKLE_WATCHER = Event->timer (
		3591	after => 5,
		3592	interval => 10,
		3593	hard => 1,
		3594	prio => 0,
		3595	data => WF_AUTOCANCEL,
		3596	cb => sub {
		3597	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3598	},
		3599	);
2607	}	3600	}
2608		3601
2609	{	3602	{
2610	IO::AIO::min_parallel 8;	3603	IO::AIO::min_parallel 8;
2611		3604
2612	undef $Coro::AIO::WATCHER;	3605	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	3606	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	3607	$AIO_POLL_WATCHER = Event->io (
2615	reentrant => 0,	3608	reentrant => 0,
		3609	data => WF_AUTOCANCEL,
2616	fd => IO::AIO::poll_fileno,	3610	fd => IO::AIO::poll_fileno,
2617	poll => 'r',	3611	poll => 'r',
2618	prio => 6,	3612	prio => 6,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,	3613	cb => \&IO::AIO::poll_cb,
2621	);	3614	);
2622	}	3615	}
2623		3616
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	3617	my $_log_backtrace;
2625	reentrant => 0,	3618
2626	data => WF_AUTOCANCEL,	3619	sub _log_backtrace {
2627	after => 1,	3620	my ($msg, @addr) = @_;
2628	interval => 10,	3621
2629	prio => 6, # keep it lowest so it acts like a watchdog	3622	$msg =~ s/\n//;
2630	cb => Coro::unblock_sub {	3623
2631	write_runtime	3624	# limit the # of concurrent backtraces
2632	or warn "ERROR: unable to write runtime file: $!";	3625	if ($_log_backtrace < 2) {
		3626	++$_log_backtrace;
		3627	async {
		3628	my @bt = fork_call {
		3629	@addr = map { sprintf "%x", $_ } @addr;
		3630	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3631	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3632	or die "addr2line: $!";
		3633
		3634	my @funcs;
		3635	my @res = <$fh>;
		3636	chomp for @res;
		3637	while (@res) {
		3638	my ($func, $line) = splice @res, 0, 2, ();
		3639	push @funcs, "[$func] $line";
		3640	}
		3641
		3642	@funcs
		3643	};
		3644
		3645	LOG llevInfo, "[ABT] $msg\n";
		3646	LOG llevInfo, "[ABT] $_\n" for @bt;
		3647	--$_log_backtrace;
		3648	};
		3649	} else {
		3650	LOG llevInfo, "[ABT] $msg\n";
		3651	LOG llevInfo, "[ABT] [suppressed]\n";
2633	},	3652	}
2634	);	3653	}
		3654
		3655	# load additional modules
		3656	use cf::pod;
2635		3657
2636	END { cf::emergency_save }	3658	END { cf::emergency_save }
2637		3659
2638	1	3660	1
2639		3661

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