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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC vs.
Revision 1.374 by root, Wed Sep 19 22:07:16 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;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		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
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	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
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	# 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?
36	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
37		47
38	$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
39		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
40	our %COMMAND = ();	52	our %COMMAND = ();
41	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
42		54
43	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
47		60
		61	our $RELOAD; # number of reloads so far
48	our @EVENT;	62	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		63
51	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(!)
52	our $TICK_WATCHER;	77	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
54	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	80	our $NEXT_TICK;
56	our $NOW;	81	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		83
59	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	88	our $DB_ENV;
61		89
62	our %CFG;	90	our %CFG;
63		91
64	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	93	our $RUNTIME;
66		94
67	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		98
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $tick_start; # for load detecting purposes
		105
79	binmode STDOUT;	106	binmode STDOUT;
80	binmode STDERR;	107	binmode STDERR;
81		108
82	# read virtual server time, if available	109	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
87	}	114	}
88		115
89	mkdir cf::localdir;	116	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		118
96	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
97		120
98	sub cf::map::normalise;	121	sub cf::map::normalise;
99		122
…		…
110	=item $cf::RUNTIME	133	=item $cf::RUNTIME
111		134
112	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
113	every server tick.	136	every server tick.
114		137
115	=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
116		141
117	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		146
120	=item $cf::NOW	147	=item $cf::NOW
121		148
122	The time of the last (current) server tick.	149	The time of the last (current) server tick.
123		150
124	=item $cf::TICK	151	=item $cf::TICK
125		152
126	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.
127		164
128	=item %cf::CFG	165	=item %cf::CFG
129		166
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	168	from wherever your confdir points to.
132		169
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		171
135	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
136	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
137	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.
138	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.
139		181
140	=back	182	=back
141		183
142	=cut	184	=cut
143		185
144	BEGIN {	186	BEGIN {
145	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	188	my $msg = join "", @_;
147	utf8::encode $msg;
148		189
149	$msg .= "\n"	190	$msg .= "\n"
150	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
151		194
152	LOG llevError, $msg;	195	LOG llevError, $msg;
153	};	196	};
154	}	197	}
155		198
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		206
163	# 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
164	# within the Safe compartment.	208	# within the Safe compartment.
165	for my $pkg (qw(	209	for my $pkg (qw(
166	cf::global cf::attachable	210	cf::global cf::attachable
…		…
174	}	218	}
175		219
176	$Event::DIED = sub {	220	$Event::DIED = sub {
177	warn "error in event callback: @_";	221	warn "error in event callback: @_";
178	};	222	};
		223
		224	#############################################################################
179		225
180	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
181		227
182	=over 4	228	=over 4
183		229
…		…
202	$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;
203	$d	249	$d
204	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
205	}	251	}
206		252
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
210		254
211	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
212		256
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
221		258
222	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
223		260
224	=cut	261	=cut
225		262
226	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
228	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
230		267
231	=item cf::lock_wait $string	268	=item cf::lock_wait $string
232		269
233	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
234		271
…		…
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
240	returned.	277	returned.
241		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
242	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
243	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
244		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
245	=cut	289	=cut
246		290
247	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
248		293
249	sub lock_wait($) {	294	sub lock_wait($) {
250	my ($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#
251		301
252	# wait for lock, if any	302	# wait for lock, if any
253	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	305	Coro::schedule;
…		…
261		311
262	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
263	lock_wait $key;	313	lock_wait $key;
264		314
265	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
266		317
267	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
270	}	322	}
271	}	323	}
272		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
273	sub freeze_mainloop {	331	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
275		333
276	my $guard = Coro::guard {	334	my $guard = Coro::guard {
277	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
278	$WRITE_RUNTIME_WATCHER->start;
279	};	336	};
280	$WRITE_RUNTIME_WATCHER->stop;
281	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
282	$guard	338	$guard
		339	}
		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
283	}	397	}
284		398
285	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
286		400
287	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		406
293	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
294		408
295	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
296		410
297	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
300		415
301	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
304	fast or be very important.	419	fast or be very important.
…		…
307		422
308	sub sync_job(&) {	423	sub sync_job(&) {
309	my ($job) = @_;	424	my ($job) = @_;
310		425
311	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
312	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
314		431
315	# TODO: use suspend/resume instead	432	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	433	# (but this is cancel-safe)
…		…
318		435
319	my $busy = 1;	436	my $busy = 1;
320	my @res;	437	my @res;
321		438
322	(async {	439	(async {
		440	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	441	@res = eval { $job->() };
324	warn $@ if $@;	442	warn $@ if $@;
325	undef $busy;	443	undef $busy;
326	})->prio (Coro::PRIO_MAX);	444	})->prio (Coro::PRIO_MAX);
327		445
328	while ($busy) {	446	while ($busy) {
329	Coro::cede or Event::one_event;	447	Coro::cede or Event::one_event;
330	}	448	}
		449
		450	$time = Event::time - $time;
		451
		452	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		453	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		454
		455	$tick_start += $time; # do not account sync jobs to server load
331		456
332	wantarray ? @res : $res[0]	457	wantarray ? @res : $res[0]
333	} else {	458	} else {
334	# we are in another coroutine, how wonderful, everything just works	459	# we are in another coroutine, how wonderful, everything just works
335		460
…		…
355	$EXT_CORO{$coro+0} = $coro;	480	$EXT_CORO{$coro+0} = $coro;
356		481
357	$coro	482	$coro
358	}	483	}
359		484
360	sub write_runtime {	485	=item fork_call { }, $args
361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362		486
363	my $runtime = cf::localdir . "/runtime";	487	Executes the given code block with the given arguments in a seperate
		488	process, returning the results. Everything must be serialisable with
		489	Coro::Storable. May, of course, block. Note that the executed sub may
		490	never block itself or use any form of Event handling.
364		491
365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	492	=cut
366	or return;
367		493
368	my $value = $cf::RUNTIME + 90 + 10;	494	sub fork_call(&@) {
369	# 10 is the runtime save interval, for a monotonic clock	495	my ($cb, @args) = @_;
370	# 60 allows for the watchdog to kill the server.
371		496
372	(aio_write $fh, 0, (length $value), $value, 0) <= 0	497	# we seemingly have to make a local copy of the whole thing,
373	and return;	498	# otherwise perl prematurely frees the stuff :/
		499	# TODO: investigate and fix (likely this will be rather laborious)
374		500
375	# always fsync - this file is important	501	my @res = Coro::Util::fork_eval {
376	aio_fsync $fh	502	reset_signals;
377	and return;	503	&$cb
		504	}, @args;
378		505
379	close $fh	506	wantarray ? @res : $res[-1]
380	or return;	507	}
381		508
382	aio_rename "$runtime~", $runtime	509	=item $value = cf::db_get $family => $key
383	and return;
384		510
		511	Returns a single value from the environment database.
		512
		513	=item cf::db_put $family => $key => $value
		514
		515	Stores the given C<$value> in the family. It can currently store binary
		516	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		517
		518	=item $db = cf::db_table "name"
		519
		520	Create and/or open a new database table. The string must not be "db" and must be unique
		521	within each server.
		522
		523	=cut
		524
		525	sub db_table($) {
		526	my ($name) = @_;
		527	my $db = BDB::db_create $DB_ENV;
		528
		529	eval {
		530	$db->set_flags (BDB::CHKSUM);
		531
		532	utf8::encode $name;
		533	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		534	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		535	cf::cleanup "db_open(db): $!" if $!;
		536	};
		537	cf::cleanup "db_open(db): $@" if $@;
		538
		539	$db
		540	}
		541
		542	our $DB;
		543
		544	sub db_init {
		545	cf::sync_job {
		546	$DB ||= db_table "db";
		547	};
		548	}
		549
		550	sub db_get($$) {
		551	my $key = "$_[0]/$_[1]";
		552
		553	cf::sync_job {
		554	BDB::db_get $DB, undef, $key, my $data;
		555
		556	$! ? ()
		557	: $data
385	1	558	}
		559	}
		560
		561	sub db_put($$$) {
		562	BDB::dbreq_pri 4;
		563	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		564	}
		565
		566	=item cf::cache $id => [$paths...], $processversion => $process
		567
		568	Generic caching function that returns the value of the resource $id,
		569	caching and regenerating as required.
		570
		571	This function can block.
		572
		573	=cut
		574
		575	sub cache {
		576	my ($id, $src, $processversion, $process) = @_;
		577
		578	my $meta =
		579	join "\x00",
		580	$processversion,
		581	map {
		582	aio_stat $_
		583	and Carp::croak "$_: $!";
		584
		585	($_, (stat _)[7,9])
		586	} @$src;
		587
		588	my $dbmeta = db_get cache => "$id/meta";
		589	if ($dbmeta ne $meta) {
		590	# changed, we may need to process
		591
		592	my @data;
		593	my $md5;
		594
		595	for (0 .. $#$src) {
		596	0 <= aio_load $src->[$_], $data[$_]
		597	or Carp::croak "$src->[$_]: $!";
		598	}
		599
		600	# if processing is expensive, check
		601	# checksum first
		602	if (1) {
		603	$md5 =
		604	join "\x00",
		605	$processversion,
		606	map {
		607	cf::cede_to_tick;
		608	($src->[$_], Digest::MD5::md5_hex $data[$_])
		609	} 0.. $#$src;
		610
		611
		612	my $dbmd5 = db_get cache => "$id/md5";
		613	if ($dbmd5 eq $md5) {
		614	db_put cache => "$id/meta", $meta;
		615
		616	return db_get cache => "$id/data";
		617	}
		618	}
		619
		620	my $t1 = Time::HiRes::time;
		621	my $data = $process->(\@data);
		622	my $t2 = Time::HiRes::time;
		623
		624	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		625
		626	db_put cache => "$id/data", $data;
		627	db_put cache => "$id/md5" , $md5;
		628	db_put cache => "$id/meta", $meta;
		629
		630	return $data;
		631	}
		632
		633	db_get cache => "$id/data"
		634	}
		635
		636	=item cf::datalog type => key => value, ...
		637
		638	Log a datalog packet of the given type with the given key-value pairs.
		639
		640	=cut
		641
		642	sub datalog($@) {
		643	my ($type, %kv) = @_;
		644	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
386	}	645	}
387		646
388	=back	647	=back
389		648
390	=cut	649	=cut
…		…
397	attach callbacks/event handlers (a collection of which is called an "attachment")	656	attach callbacks/event handlers (a collection of which is called an "attachment")
398	to it. All such attachable objects support the following methods.	657	to it. All such attachable objects support the following methods.
399		658
400	In the following description, CLASS can be any of C<global>, C<object>	659	In the following description, CLASS can be any of C<global>, C<object>
401	C<player>, C<client> or C<map> (i.e. the attachable objects in	660	C<player>, C<client> or C<map> (i.e. the attachable objects in
402	crossfire+).	661	Crossfire TRT).
403		662
404	=over 4	663	=over 4
405		664
406	=item $attachable->attach ($attachment, key => $value...)	665	=item $attachable->attach ($attachment, key => $value...)
407		666
…		…
570	$registry = $CB_TYPE[$object_type] ||= [];	829	$registry = $CB_TYPE[$object_type] ||= [];
571		830
572	} elsif ($type eq "subtype") {	831	} elsif ($type eq "subtype") {
573	defined $object_type or Carp::croak "subtype specified without type";	832	defined $object_type or Carp::croak "subtype specified without type";
574	my $object_subtype = shift @arg;	833	my $object_subtype = shift @arg;
575	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	834	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
576		835
577	} elsif ($type eq "package") {	836	} elsif ($type eq "package") {
578	my $pkg = shift @arg;	837	my $pkg = shift @arg;
579		838
580	while (my ($name, $id) = each %cb_id) {	839	while (my ($name, $id) = each %cb_id) {
…		…
609	_attach $registry, $klass, @attach;	868	_attach $registry, $klass, @attach;
610	}	869	}
611		870
612	$obj->{$name} = \%arg;	871	$obj->{$name} = \%arg;
613	} else {	872	} else {
614	warn "object uses attachment '$name' that is not available, postponing.\n";	873	warn "object uses attachment '$name' which is not available, postponing.\n";
615	}	874	}
616		875
617	$obj->{_attachment}{$name} = undef;	876	$obj->{_attachment}{$name} = undef;
618	}	877	}
619		878
…		…
621	if (ref $_[0]) {	880	if (ref $_[0]) {
622	_object_attach @_;	881	_object_attach @_;
623	} else {	882	} else {
624	_attach shift->_attach_registry, @_;	883	_attach shift->_attach_registry, @_;
625	}	884	}
		885	_recalc_want;
626	};	886	};
627		887
628	# all those should be optimised	888	# all those should be optimised
629	sub cf::attachable::detach {	889	sub cf::attachable::detach {
630	my ($obj, $name) = @_;	890	my ($obj, $name) = @_;
…		…
633	delete $obj->{_attachment}{$name};	893	delete $obj->{_attachment}{$name};
634	reattach ($obj);	894	reattach ($obj);
635	} else {	895	} else {
636	Carp::croak "cannot, currently, detach class attachments";	896	Carp::croak "cannot, currently, detach class attachments";
637	}	897	}
		898	_recalc_want;
638	};	899	};
639		900
640	sub cf::attachable::attached {	901	sub cf::attachable::attached {
641	my ($obj, $name) = @_;	902	my ($obj, $name) = @_;
642		903
…		…
657	";	918	";
658	die if $@;	919	die if $@;
659	}	920	}
660		921
661	our $override;	922	our $override;
662	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	923	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
663		924
664	sub override {	925	sub override {
665	$override = 1;	926	$override = 1;
666	@invoke_results = ();	927	@INVOKE_RESULTS = (@_);
667	}	928	}
668		929
669	sub do_invoke {	930	sub do_invoke {
670	my $event = shift;	931	my $event = shift;
671	my $callbacks = shift;	932	my $callbacks = shift;
672		933
673	@invoke_results = ();	934	@INVOKE_RESULTS = ();
674		935
675	local $override;	936	local $override;
676		937
677	for (@$callbacks) {	938	for (@$callbacks) {
678	eval { &{$_->[1]} };	939	eval { &{$_->[1]} };
…		…
695		956
696	Generate an object-specific event with the given arguments.	957	Generate an object-specific event with the given arguments.
697		958
698	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	959	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
699	removed in future versions), and there is no public API to access override	960	removed in future versions), and there is no public API to access override
700	results (if you must, access C<@cf::invoke_results> directly).	961	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
701		962
702	=back	963	=back
703		964
704	=cut	965	=cut
705		966
706	#############################################################################	967	#############################################################################
707	# object support	968	# object support
		969	#
		970
		971	sub _can_merge {
		972	my ($ob1, $ob2) = @_;
		973
		974	local $Storable::canonical = 1;
		975	my $fob1 = Storable::freeze $ob1;
		976	my $fob2 = Storable::freeze $ob2;
		977
		978	$fob1 eq $fob2
		979	}
708		980
709	sub reattach {	981	sub reattach {
710	# basically do the same as instantiate, without calling instantiate	982	# basically do the same as instantiate, without calling instantiate
711	my ($obj) = @_;	983	my ($obj) = @_;
712		984
…		…
759	sub object_freezer_save {	1031	sub object_freezer_save {
760	my ($filename, $rdata, $objs) = @_;	1032	my ($filename, $rdata, $objs) = @_;
761		1033
762	sync_job {	1034	sync_job {
763	if (length $$rdata) {	1035	if (length $$rdata) {
		1036	utf8::decode (my $decname = $filename);
764	warn sprintf "saving %s (%d,%d)\n",	1037	warn sprintf "saving %s (%d,%d)\n",
765	$filename, length $$rdata, scalar @$objs;	1038	$decname, length $$rdata, scalar @$objs;
766		1039
767	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1040	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
768	chmod SAVE_MODE, $fh;	1041	chmod SAVE_MODE, $fh;
769	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1042	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
770	aio_fsync $fh if $cf::USE_FSYNC;	1043	aio_fsync $fh if $cf::USE_FSYNC;
…		…
789	}	1062	}
790	} else {	1063	} else {
791	aio_unlink $filename;	1064	aio_unlink $filename;
792	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
793	}	1066	}
794
795	#d##TODO# nuke non .map-files if exist
796	if ($filename =~ s/\.map$//) {
797	aio_unlink $filename;
798	aio_unlink "$filename.pst";
799	}
800	}	1067	};
801	}	1068	}
802		1069
803	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
804	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
805		1072
…		…
810		1077
811	sub object_thawer_load {	1078	sub object_thawer_load {
812	my ($filename) = @_;	1079	my ($filename) = @_;
813		1080
814	my ($data, $av);	1081	my ($data, $av);
815
816	#d#TODO remove .map if file does not exist
817	aio_stat $filename and $filename =~ s/\.map$//;
818		1082
819	(aio_load $filename, $data) >= 0	1083	(aio_load $filename, $data) >= 0
820	or return;	1084	or return;
821		1085
822	unless (aio_stat "$filename.pst") {	1086	unless (aio_stat "$filename.pst") {
823	(aio_load "$filename.pst", $av) >= 0	1087	(aio_load "$filename.pst", $av) >= 0
824	or return;	1088	or return;
		1089
825	$av = eval { (Storable::thaw $av)->{objs} };	1090	$av = eval { (Storable::thaw $av)->{objs} };
826	}	1091	}
827		1092
		1093	utf8::decode (my $decname = $filename);
828	warn sprintf "loading %s (%d)\n",	1094	warn sprintf "loading %s (%d,%d)\n",
829	$filename, length $data, scalar @{$av || []};#d#	1095	$decname, length $data, scalar @{$av || []};
		1096
830	return ($data, $av);	1097	($data, $av)
831	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
832		1105
833	#############################################################################	1106	#############################################################################
834	# command handling &c	1107	# command handling &c
835		1108
836	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
849	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
850	}	1123	}
851		1124
852	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
853		1126
854	Register a callbackf ro execution when the client sends an extcmd packet.	1127	Register a callback for execution when the client sends an (synchronous)
		1128	extcmd packet. Ext commands will be processed in the order they are
		1129	received by the server, like other user commands. The first argument is
		1130	the logged-in player. Ext commands can only be processed after a player
		1131	has logged in successfully.
855		1132
856	If the callback returns something, it is sent back as if reply was being	1133	If the callback returns something, it is sent back as if reply was being
857	called.	1134	called.
858		1135
		1136	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1137
		1138	Register a callback for execution when the client sends an (asynchronous)
		1139	exticmd packet. Exti commands are processed by the server as soon as they
		1140	are received, i.e. out of order w.r.t. other commands. The first argument
		1141	is a client socket. Exti commands can be received anytime, even before
		1142	log-in.
		1143
		1144	If the callback returns something, it is sent back as if reply was being
		1145	called.
		1146
859	=cut	1147	=cut
860		1148
861	sub register_extcmd {	1149	sub register_extcmd {
862	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
863		1151
864	$EXTCMD{$name} = $cb;	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
865	}	1159	}
866		1160
867	cf::player->attach (	1161	cf::player->attach (
868	on_command => sub {	1162	on_command => sub {
869	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
878	cf::override;	1172	cf::override;
879	},	1173	},
880	on_extcmd => sub {	1174	on_extcmd => sub {
881	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
882		1176
883	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
884		1178
885	if (ref $msg) {	1179	if (ref $msg) {
		1180	my ($type, $reply, @payload) =
		1181	"ARRAY" eq ref $msg
		1182	? @$msg
		1183	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1184
		1185	my @reply;
		1186
886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1187	if (my $cb = $EXTCMD{$type}) {
887	if (my %reply = $cb->($pl, $msg)) {	1188	@reply = $cb->($pl, @payload);
888	$pl->ext_reply ($msg->{msgid}, %reply);
889	}
890	}	1189	}
		1190
		1191	$pl->ext_reply ($reply, @reply)
		1192	if $reply;
		1193
891	} else {	1194	} else {
892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1195	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
893	}	1196	}
894		1197
895	cf::override;	1198	cf::override;
896	},	1199	},
897	);	1200	);
898		1201
899	sub load_extension {
900	my ($path) = @_;
901
902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
903	my $base = $1;
904	my $pkg = $1;
905	$pkg =~ s/[^[:word:]]/_/g;
906	$pkg = "ext::$pkg";
907
908	warn "... loading '$path' into '$pkg'\n";
909
910	open my $fh, "<:utf8", $path
911	or die "$path: $!";
912
913	my $source =
914	"package $pkg; use strict; use utf8;\n"
915	. "#line 1 \"$path\"\n{\n"
916	. (do { local $/; <$fh> })
917	. "\n};\n1";
918
919	unless (eval $source) {
920	my $msg = $@ ? "$path: $@\n"
921	: "extension disabled.\n";
922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
923	warn $@;
924	warn "mandatory extension failed to load, exiting.\n";
925	exit 1;
926	}
927	die $@;
928	}
929
930	push @EXTS, $pkg;
931	}
932
933	sub load_extensions {	1202	sub load_extensions {
		1203	cf::sync_job {
		1204	my %todo;
		1205
934	for my $ext (<$LIBDIR/*.ext>) {	1206	for my $path (<$LIBDIR/*.ext>) {
935	next unless -r $ext;	1207	next unless -r $path;
936	eval {	1208
937	load_extension $ext;	1209	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1210	my $base = $1;
		1211	my $pkg = $1;
		1212	$pkg =~ s/[^[:word:]]/_/g;
		1213	$pkg = "ext::$pkg";
		1214
		1215	open my $fh, "<:utf8", $path
		1216	or die "$path: $!";
		1217
		1218	my $source = do { local $/; <$fh> };
		1219
		1220	my %ext = (
		1221	path => $path,
		1222	base => $base,
		1223	pkg => $pkg,
		1224	);
		1225
		1226	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1227	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1228
		1229	$ext{source} =
		1230	"package $pkg; use strict; use utf8;\n"
		1231	. "#line 1 \"$path\"\n{\n"
		1232	. $source
		1233	. "\n};\n1";
		1234
		1235	$todo{$base} = \%ext;
		1236	}
		1237
		1238	my %done;
		1239	while (%todo) {
		1240	my $progress;
		1241
		1242	while (my ($k, $v) = each %todo) {
		1243	for (split /,\s*/, $v->{meta}{depends}) {
		1244	goto skip
		1245	unless exists $done{$_};
		1246	}
		1247
		1248	warn "... loading '$k' into '$v->{pkg}'\n";
		1249
		1250	unless (eval $v->{source}) {
		1251	my $msg = $@ ? "$v->{path}: $@\n"
		1252	: "$v->{base}: extension inactive.\n";
		1253
		1254	if (exists $v->{meta}{mandatory}) {
		1255	warn $msg;
		1256	warn "mandatory extension failed to load, exiting.\n";
		1257	exit 1;
		1258	}
		1259
		1260	warn $msg;
		1261	}
		1262
		1263	$done{$k} = delete $todo{$k};
		1264	push @EXTS, $v->{pkg};
		1265	$progress = 1;
938	1	1266	}
939	} or warn "$ext not loaded: $@";	1267
		1268	skip:
		1269	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1270	unless $progress;
		1271	}
940	}	1272	};
941	}	1273	}
942		1274
943	#############################################################################	1275	#############################################################################
944		1276
		1277	=back
		1278
945	=head2 CORE EXTENSIONS	1279	=head2 CORE EXTENSIONS
946		1280
947	Functions and methods that extend core crossfire objects.	1281	Functions and methods that extend core crossfire objects.
948		1282
949	=cut	1283	=cut
…		…
954		1288
955	=head3 cf::player	1289	=head3 cf::player
956		1290
957	=over 4	1291	=over 4
958		1292
		1293	=item cf::player::num_playing
		1294
		1295	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1296
		1297	=cut
		1298
		1299	sub num_playing {
		1300	scalar grep
		1301	$_->ob->map
		1302	&& !$_->hidden
		1303	&& !$_->ob->flag (cf::FLAG_WIZ),
		1304	cf::player::list
		1305	}
		1306
959	=item cf::player::find $login	1307	=item cf::player::find $login
960		1308
961	Returns the given player object, loading it if necessary (might block).	1309	Returns the given player object, loading it if necessary (might block).
962		1310
963	=cut	1311	=cut
964		1312
965	sub playerdir($) {	1313	sub playerdir($) {
966	cf::localdir	1314	"$PLAYERDIR/"
967	. "/"
968	. cf::playerdir
969	. "/"
970	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1315	. (ref $_[0] ? $_[0]->ob->name : $_[0])
971	}	1316	}
972		1317
973	sub path($) {	1318	sub path($) {
974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1319	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975		1320
976	(playerdir $login) . "/$login.pl"	1321	(playerdir $login) . "/playerdata"
977	}	1322	}
978		1323
979	sub find_active($) {	1324	sub find_active($) {
980	$cf::PLAYER{$_[0]}	1325	$cf::PLAYER{$_[0]}
981	and $cf::PLAYER{$_[0]}->active	1326	and $cf::PLAYER{$_[0]}->active
…		…
994	my $login = $_[0];	1339	my $login = $_[0];
995		1340
996	my $guard = cf::lock_acquire "user_find:$login";	1341	my $guard = cf::lock_acquire "user_find:$login";
997		1342
998	$cf::PLAYER{$_[0]} || do {	1343	$cf::PLAYER{$_[0]} || do {
999	my $pl = load_pl path $login	1344	# rename old playerfiles to new ones
		1345	#TODO: remove when no longer required
		1346	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1347	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1348	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1349	aio_unlink +(playerdir $login) . "/$login.pl";
		1350
		1351	my $f = new_from_file cf::object::thawer path $login
1000	or return;	1352	or return;
		1353
		1354	my $pl = cf::player::load_pl $f
		1355	or return;
		1356	local $cf::PLAYER_LOADING{$login} = $pl;
		1357	$f->resolve_delayed_derefs;
1001	$cf::PLAYER{$login} = $pl	1358	$cf::PLAYER{$login} = $pl
1002	}	1359	}
1003	}	1360	}
1004	}	1361	}
1005		1362
…		…
1015		1372
1016	aio_mkdir playerdir $pl, 0770;	1373	aio_mkdir playerdir $pl, 0770;
1017	$pl->{last_save} = $cf::RUNTIME;	1374	$pl->{last_save} = $cf::RUNTIME;
1018		1375
1019	$pl->save_pl ($path);	1376	$pl->save_pl ($path);
1020	Coro::cede;	1377	cf::cede_to_tick;
1021	}	1378	}
1022		1379
1023	sub new($) {	1380	sub new($) {
1024	my ($login) = @_;	1381	my ($login) = @_;
1025		1382
…		…
1031	$cf::PLAYER{$login} = $self;	1388	$cf::PLAYER{$login} = $self;
1032		1389
1033	$self	1390	$self
1034	}	1391	}
1035		1392
		1393	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1394
		1395	=cut
		1396
		1397	sub send_msg {
		1398	my $ns = shift->ns
		1399	or return;
		1400	$ns->send_msg (@_);
		1401	}
		1402
1036	=item $pl->quit_character	1403	=item $pl->quit_character
1037		1404
1038	Nukes the player without looking back. If logged in, the connection will	1405	Nukes the player without looking back. If logged in, the connection will
1039	be destroyed. May block for a long time.	1406	be destroyed. May block for a long time.
1040		1407
1041	=cut	1408	=cut
1042		1409
1043	sub quit_character {	1410	sub quit_character {
1044	my ($pl) = @_;	1411	my ($pl) = @_;
		1412
		1413	my $name = $pl->ob->name;
1045		1414
1046	$pl->{deny_save} = 1;	1415	$pl->{deny_save} = 1;
1047	$pl->password ("*"); # this should lock out the player until we nuked the dir	1416	$pl->password ("*"); # this should lock out the player until we nuked the dir
1048		1417
1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1418	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1054	my $path = playerdir $pl;	1423	my $path = playerdir $pl;
1055	my $temp = "$path~$cf::RUNTIME~deleting~";	1424	my $temp = "$path~$cf::RUNTIME~deleting~";
1056	aio_rename $path, $temp;	1425	aio_rename $path, $temp;
1057	delete $cf::PLAYER{$pl->ob->name};	1426	delete $cf::PLAYER{$pl->ob->name};
1058	$pl->destroy;	1427	$pl->destroy;
		1428
		1429	my $prefix = qr<^~\Q$name\E/>;
		1430
		1431	# nuke player maps
		1432	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1433
1059	IO::AIO::aio_rmtree $temp;	1434	IO::AIO::aio_rmtree $temp;
		1435	}
		1436
		1437	=item $pl->kick
		1438
		1439	Kicks a player out of the game. This destroys the connection.
		1440
		1441	=cut
		1442
		1443	sub kick {
		1444	my ($pl, $kicker) = @_;
		1445
		1446	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1447	$pl->killer ("kicked");
		1448	$pl->ns->destroy;
1060	}	1449	}
1061		1450
1062	=item cf::player::list_logins	1451	=item cf::player::list_logins
1063		1452
1064	Returns am arrayref of all valid playernames in the system, can take a	1453	Returns am arrayref of all valid playernames in the system, can take a
1065	while and may block, so not sync_job-capable, ever.	1454	while and may block, so not sync_job-capable, ever.
1066		1455
1067	=cut	1456	=cut
1068		1457
1069	sub list_logins {	1458	sub list_logins {
1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1459	my $dirs = aio_readdir $PLAYERDIR
1071	or return [];	1460	or return [];
1072		1461
1073	my @logins;	1462	my @logins;
1074		1463
1075	for my $login (@$dirs) {	1464	for my $login (@$dirs) {
		1465	my $path = path $login;
		1466
		1467	# a .pst is a dead give-away for a valid player
		1468	unless (-e "$path.pst") {
1076	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1469	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1077	aio_read $fh, 0, 512, my $buf, 0 or next;	1470	aio_read $fh, 0, 512, my $buf, 0 or next;
1078	$buf !~ /^password -------------$/m or next; # official not-valid tag	1471	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1472	}
1079		1473
1080	utf8::decode $login;	1474	utf8::decode $login;
1081	push @logins, $login;	1475	push @logins, $login;
1082	}	1476	}
1083		1477
…		…
1110	}	1504	}
1111		1505
1112	\@paths	1506	\@paths
1113	}	1507	}
1114		1508
		1509	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1510
		1511	Expand crossfire pod fragments into protocol xml.
		1512
		1513	=cut
		1514
		1515	sub expand_cfpod {
		1516	((my $self), (local $_)) = @_;
		1517
		1518	# escape & and <
		1519	s/&/&amp;/g;
		1520	s/(?<![BIUGHT])</&lt;/g;
		1521
		1522	# this is buggy, it needs to properly take care of nested <'s
		1523
		1524	1 while
		1525	# replace B<>, I<>, U<> etc.
		1526	s/B<([^\>]*)>/<b>$1<\/b>/
		1527	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1528	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1529	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1530	# replace G<male|female> tags
		1531	|| s{G<([^>|]*)\|([^>]*)>}{
		1532	$self->gender ? $2 : $1
		1533	}ge
		1534	# replace H<hint text>
		1535	|| s{H<([^\>]*)>}
		1536	{
		1537	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1538	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1539	"")
		1540	[$self->{hintmode}]
		1541	}ge;
		1542
		1543	# create single paragraphs (very hackish)
		1544	s/(?<=\S)\n(?=\w)/ /g;
		1545
		1546	# compress some whitespace
		1547	s/\s+\n/\n/g; # ws line-ends
		1548	s/\n\n+/\n/g; # double lines
		1549	s/^\n+//; # beginning lines
		1550	s/\n+$//; # ending lines
		1551
		1552	$_
		1553	}
		1554
		1555	sub hintmode {
		1556	$_[0]{hintmode} = $_[1] if @_ > 1;
		1557	$_[0]{hintmode}
		1558	}
		1559
1115	=item $player->ext_reply ($msgid, $msgtype, %msg)	1560	=item $player->ext_reply ($msgid, @msg)
1116		1561
1117	Sends an ext reply to the player.	1562	Sends an ext reply to the player.
1118		1563
1119	=cut	1564	=cut
1120		1565
1121	sub ext_reply($$$%) {	1566	sub ext_reply($$@) {
1122	my ($self, $id, %msg) = @_;	1567	my ($self, $id, @msg) = @_;
1123		1568
1124	$msg{msgid} = $id;	1569	$self->ns->ext_reply ($id, @msg)
1125
1126	$self->send ("ext " . cf::to_json \%msg);
1127	}	1570	}
1128		1571
1129	package cf;	1572	=item $player->ext_msg ($type, @msg)
		1573
		1574	Sends an ext event to the client.
		1575
		1576	=cut
		1577
		1578	sub ext_msg($$@) {
		1579	my ($self, $type, @msg) = @_;
		1580
		1581	$self->ns->ext_msg ($type, @msg);
		1582	}
		1583
		1584	=head3 cf::region
		1585
		1586	=over 4
		1587
		1588	=cut
		1589
		1590	package cf::region;
		1591
		1592	=item cf::region::find_by_path $path
		1593
		1594	Tries to decuce the likely region for a map knowing only its path.
		1595
		1596	=cut
		1597
		1598	sub find_by_path($) {
		1599	my ($path) = @_;
		1600
		1601	my ($match, $specificity);
		1602
		1603	for my $region (list) {
		1604	if ($region->{match} && $path =~ $region->{match}) {
		1605	($match, $specificity) = ($region, $region->specificity)
		1606	if $region->specificity > $specificity;
		1607	}
		1608	}
		1609
		1610	$match
		1611	}
1130		1612
1131	=back	1613	=back
1132
1133		1614
1134	=head3 cf::map	1615	=head3 cf::map
1135		1616
1136	=over 4	1617	=over 4
1137		1618
…		…
1192	my ($self, $merge) = @_;	1673	my ($self, $merge) = @_;
1193		1674
1194	# we have to keep some variables in memory intact	1675	# we have to keep some variables in memory intact
1195	local $self->{path};	1676	local $self->{path};
1196	local $self->{load_path};	1677	local $self->{load_path};
1197	local $self->{deny_save};
1198	local $self->{deny_reset};
1199		1678
1200	$self->SUPER::thawer_merge ($merge);	1679	$self->SUPER::thawer_merge ($merge);
1201	}	1680	}
1202		1681
1203	sub normalise {	1682	sub normalise {
…		…
1250	$self->init; # pass $1 etc.	1729	$self->init; # pass $1 etc.
1251	return $self;	1730	return $self;
1252	}	1731	}
1253	}	1732	}
1254		1733
1255	Carp::carp "unable to resolve path '$path' (base '$base').";	1734	Carp::cluck "unable to resolve path '$path' (base '$base').";
1256	()	1735	()
1257	}	1736	}
1258		1737
1259	sub init {	1738	sub init {
1260	my ($self) = @_;	1739	my ($self) = @_;
…		…
1275		1754
1276	# the original (read-only) location	1755	# the original (read-only) location
1277	sub load_path {	1756	sub load_path {
1278	my ($self) = @_;	1757	my ($self) = @_;
1279		1758
1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1759	"$MAPDIR/$self->{path}.map"
1281	}	1760	}
1282		1761
1283	# the temporary/swap location	1762	# the temporary/swap location
1284	sub save_path {	1763	sub save_path {
1285	my ($self) = @_;	1764	my ($self) = @_;
1286		1765
1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1766	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1767	"$TMPDIR/$path.map"
1289	}	1768	}
1290		1769
1291	# the unique path, undef == no special unique path	1770	# the unique path, undef == no special unique path
1292	sub uniq_path {	1771	sub uniq_path {
1293	my ($self) = @_;	1772	my ($self) = @_;
1294		1773
1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1774	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1775	"$UNIQUEDIR/$path"
1297	}	1776	}
1298		1777
1299	# and all this just because we cannot iterate over	1778	# and all this just because we cannot iterate over
1300	# all maps in C++...	1779	# all maps in C++...
1301	sub change_all_map_light {	1780	sub change_all_map_light {
…		…
1303		1782
1304	$_->change_map_light ($change)	1783	$_->change_map_light ($change)
1305	for grep $_->outdoor, values %cf::MAP;	1784	for grep $_->outdoor, values %cf::MAP;
1306	}	1785	}
1307		1786
		1787	sub decay_objects {
		1788	my ($self) = @_;
		1789
		1790	return if $self->{deny_reset};
		1791
		1792	$self->do_decay_objects;
		1793	}
		1794
1308	sub unlink_save {	1795	sub unlink_save {
1309	my ($self) = @_;	1796	my ($self) = @_;
1310		1797
1311	utf8::encode (my $save = $self->save_path);	1798	utf8::encode (my $save = $self->save_path);
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1799	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1800	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315	#d#TODO remove .map and also nuke
1316	$save =~ s/\.map// or return;#d#
1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319	}	1801	}
1320		1802
1321	sub load_header_from($) {	1803	sub load_header_from($) {
1322	my ($self, $path) = @_;	1804	my ($self, $path) = @_;
1323		1805
1324	utf8::encode $path;	1806	utf8::encode $path;
1325	#aio_open $path, O_RDONLY, 0	1807	my $f = new_from_file cf::object::thawer $path
1326	# or return;
1327
1328	$self->_load_header ($path)
1329	or return;	1808	or return;
		1809
		1810	$self->_load_header ($f)
		1811	or return;
		1812
		1813	local $MAP_LOADING{$self->{path}} = $self;
		1814	$f->resolve_delayed_derefs;
1330		1815
1331	$self->{load_path} = $path;	1816	$self->{load_path} = $path;
1332		1817
1333	1	1818	1
1334	}	1819	}
…		…
1373	$self->load_header_orig	1858	$self->load_header_orig
1374	or return;	1859	or return;
1375	$self->prepare_orig;	1860	$self->prepare_orig;
1376	}	1861	}
1377		1862
		1863	$self->{deny_reset} = 1
		1864	if $self->no_reset;
		1865
		1866	$self->default_region (cf::region::find_by_path $self->{path})
		1867	unless $self->default_region;
		1868
1378	1	1869	1
1379	}	1870	}
1380		1871
1381	sub find;	1872	sub find;
1382	sub find {	1873	sub find {
1383	my ($path, $origin) = @_;	1874	my ($path, $origin) = @_;
1384		1875
1385	$path = normalise $path, $origin && $origin->path;	1876	$path = normalise $path, $origin && $origin->path;
1386		1877
		1878	cf::lock_wait "map_data:$path";#d#remove
1387	cf::lock_wait "map_find:$path";	1879	cf::lock_wait "map_find:$path";
1388		1880
1389	$cf::MAP{$path} || do {	1881	$cf::MAP{$path} || do {
1390	my $guard = cf::lock_acquire "map_find:$path";	1882	my $guard1 = cf::lock_acquire "map_find:$path";
		1883	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1884
1391	my $map = new_from_path cf::map $path	1885	my $map = new_from_path cf::map $path
1392	or return;	1886	or return;
1393		1887
1394	$map->{last_save} = $cf::RUNTIME;	1888	$map->{last_save} = $cf::RUNTIME;
1395		1889
1396	$map->load_header	1890	$map->load_header
1397	or return;	1891	or return;
1398		1892
1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1893	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400	# doing this can freeze the server in a sync job, obviously	1894	# doing this can freeze the server in a sync job, obviously
1401	#$cf::WAIT_FOR_TICK->wait;	1895	#$cf::WAIT_FOR_TICK->wait;
		1896	undef $guard1;
		1897	undef $guard2;
1402	$map->reset;	1898	$map->reset;
1403	undef $guard;
1404	return find $path;	1899	return find $path;
1405	}	1900	}
1406		1901
1407	$cf::MAP{$path} = $map	1902	$cf::MAP{$path} = $map
1408	}	1903	}
…		…
1415	my ($self) = @_;	1910	my ($self) = @_;
1416		1911
1417	local $self->{deny_reset} = 1; # loading can take a long time	1912	local $self->{deny_reset} = 1; # loading can take a long time
1418		1913
1419	my $path = $self->{path};	1914	my $path = $self->{path};
		1915
		1916	{
1420	my $guard = cf::lock_acquire "map_load:$path";	1917	my $guard = cf::lock_acquire "map_data:$path";
1421		1918
		1919	return unless $self->valid;
1422	return if $self->in_memory != cf::MAP_SWAPPED;	1920	return unless $self->in_memory == cf::MAP_SWAPPED;
1423		1921
1424	$self->in_memory (cf::MAP_LOADING);	1922	$self->in_memory (cf::MAP_LOADING);
1425		1923
1426	$self->alloc;	1924	$self->alloc;
1427		1925
1428	$self->pre_load;	1926	$self->pre_load;
		1927	cf::cede_to_tick;
1429		1928
1430	$self->_load_objects ($self->{load_path}, 1)	1929	my $f = new_from_file cf::object::thawer $self->{load_path};
		1930	$f->skip_block;
		1931	$self->_load_objects ($f)
1431	or return;	1932	or return;
1432		1933
1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1934	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1434	if delete $self->{load_original};	1935	if delete $self->{load_original};
1435		1936
1436	if (my $uniq = $self->uniq_path) {	1937	if (my $uniq = $self->uniq_path) {
1437	utf8::encode $uniq;	1938	utf8::encode $uniq;
1438	if (aio_open $uniq, O_RDONLY, 0) {	1939	unless (aio_stat $uniq) {
		1940	if (my $f = new_from_file cf::object::thawer $uniq) {
1439	$self->clear_unique_items;	1941	$self->clear_unique_items;
1440	$self->_load_objects ($uniq, 0);	1942	$self->_load_objects ($f);
		1943	$f->resolve_delayed_derefs;
		1944	}
1441	}	1945	}
1442	}	1946	}
1443		1947
1444	Coro::cede;	1948	$f->resolve_delayed_derefs;
1445		1949
		1950	cf::cede_to_tick;
1446	# now do the right thing for maps	1951	# now do the right thing for maps
1447	$self->link_multipart_objects;	1952	$self->link_multipart_objects;
1448
1449	unless ($self->{deny_activate}) {
1450	$self->decay_objects;
1451	$self->fix_auto_apply;
1452	$self->update_buttons;
1453	Coro::cede;
1454	$self->set_darkness_map;
1455	$self->difficulty ($self->estimate_difficulty)	1953	$self->difficulty ($self->estimate_difficulty)
1456	unless $self->difficulty;	1954	unless $self->difficulty;
1457	Coro::cede;	1955	cf::cede_to_tick;
		1956
		1957	unless ($self->{deny_activate}) {
		1958	$self->decay_objects;
		1959	$self->fix_auto_apply;
		1960	$self->update_buttons;
		1961	cf::cede_to_tick;
		1962	$self->set_darkness_map;
		1963	cf::cede_to_tick;
1458	$self->activate;	1964	$self->activate;
		1965	}
		1966
		1967	$self->{last_save} = $cf::RUNTIME;
		1968	$self->last_access ($cf::RUNTIME);
		1969
		1970	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	1971	}
1460		1972
1461	$self->post_load;	1973	$self->post_load;
1462
1463	$self->in_memory (cf::MAP_IN_MEMORY);
1464	}	1974	}
1465		1975
1466	sub customise_for {	1976	sub customise_for {
1467	my ($self, $ob) = @_;	1977	my ($self, $ob) = @_;
1468		1978
1469	return find "~" . $ob->name . "/" . $self->{path}	1979	return find "~" . $ob->name . "/" . $self->{path}
1470	if $self->per_player;	1980	if $self->per_player;
1471		1981
		1982	# return find "?party/" . $ob->name . "/" . $self->{path}
		1983	# if $self->per_party;
		1984
1472	$self	1985	$self
1473	}	1986	}
1474		1987
1475	# find and load all maps in the 3x3 area around a map	1988	# find and load all maps in the 3x3 area around a map
1476	sub load_diag {	1989	sub load_neighbours {
1477	my ($map) = @_;	1990	my ($map) = @_;
1478		1991
1479	my @diag; # diagonal neighbours	1992	my @neigh; # diagonal neighbours
1480		1993
1481	for (0 .. 3) {	1994	for (0 .. 3) {
1482	my $neigh = $map->tile_path ($_)	1995	my $neigh = $map->tile_path ($_)
1483	or next;	1996	or next;
1484	$neigh = find $neigh, $map	1997	$neigh = find $neigh, $map
1485	or next;	1998	or next;
1486	$neigh->load;	1999	$neigh->load;
1487		2000
		2001	push @neigh,
1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2002	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2003	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1490	}	2004	}
1491		2005
1492	for (@diag) {	2006	for (grep defined $_->[0], @neigh) {
		2007	my ($path, $origin) = @$_;
1493	my $neigh = find @$_	2008	my $neigh = find $path, $origin
1494	or next;	2009	or next;
1495	$neigh->load;	2010	$neigh->load;
1496	}	2011	}
1497	}	2012	}
1498		2013
…		…
1503	}	2018	}
1504		2019
1505	sub do_load_sync {	2020	sub do_load_sync {
1506	my ($map) = @_;	2021	my ($map) = @_;
1507		2022
		2023	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2024	if $Coro::current == $Coro::main;
		2025
1508	cf::sync_job { $map->load };	2026	cf::sync_job { $map->load };
1509	}	2027	}
1510		2028
1511	our %MAP_PREFETCH;	2029	our %MAP_PREFETCH;
1512	our $MAP_PREFETCHER = undef;	2030	our $MAP_PREFETCHER = undef;
1513		2031
1514	sub find_async {	2032	sub find_async {
1515	my ($path, $origin) = @_;	2033	my ($path, $origin, $load) = @_;
1516		2034
1517	$path = normalise $path, $origin && $origin->{path};	2035	$path = normalise $path, $origin && $origin->{path};
1518		2036
1519	if (my $map = $cf::MAP{$path}) {	2037	if (my $map = $cf::MAP{$path}) {
1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2038	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1521	}	2039	}
1522		2040
1523	undef $MAP_PREFETCH{$path};	2041	$MAP_PREFETCH{$path} |= $load;
		2042
1524	$MAP_PREFETCHER ||= cf::async {	2043	$MAP_PREFETCHER ||= cf::async {
		2044	$Coro::current->{desc} = "map prefetcher";
		2045
1525	while (%MAP_PREFETCH) {	2046	while (%MAP_PREFETCH) {
1526	for my $path (keys %MAP_PREFETCH) {	2047	while (my ($k, $v) = each %MAP_PREFETCH) {
1527	my $map = find $path	2048	if (my $map = find $k) {
1528	or next;
1529	$map->load;	2049	$map->load if $v;
		2050	}
1530		2051
1531	delete $MAP_PREFETCH{$path};	2052	delete $MAP_PREFETCH{$k};
1532	}	2053	}
1533	}	2054	}
1534	undef $MAP_PREFETCHER;	2055	undef $MAP_PREFETCHER;
1535	};	2056	};
1536	$MAP_PREFETCHER->prio (6);	2057	$MAP_PREFETCHER->prio (6);
…		…
1539	}	2060	}
1540		2061
1541	sub save {	2062	sub save {
1542	my ($self) = @_;	2063	my ($self) = @_;
1543		2064
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;	2065	my $lock = cf::lock_acquire "map_data:$self->{path}";
1545		2066
1546	$self->{last_save} = $cf::RUNTIME;	2067	$self->{last_save} = $cf::RUNTIME;
1547		2068
1548	return unless $self->dirty;	2069	return unless $self->dirty;
1549		2070
…		…
1555	return if $self->{deny_save};	2076	return if $self->{deny_save};
1556		2077
1557	local $self->{last_access} = $self->last_access;#d#	2078	local $self->{last_access} = $self->last_access;#d#
1558		2079
1559	cf::async {	2080	cf::async {
		2081	$Coro::current->{desc} = "map player save";
1560	$_->contr->save for $self->players;	2082	$_->contr->save for $self->players;
1561	};	2083	};
1562		2084
1563	if ($uniq) {	2085	if ($uniq) {
1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2086	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1572	my ($self) = @_;	2094	my ($self) = @_;
1573		2095
1574	# save first because save cedes	2096	# save first because save cedes
1575	$self->save;	2097	$self->save;
1576		2098
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2099	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2100
1579	return if $self->players;	2101	return if $self->players;
1580	return if $self->in_memory != cf::MAP_IN_MEMORY;	2102	return if $self->in_memory != cf::MAP_IN_MEMORY;
1581	return if $self->{deny_save};	2103	return if $self->{deny_save};
1582		2104
		2105	$self->in_memory (cf::MAP_SWAPPED);
		2106
		2107	$self->deactivate;
		2108	$_->clear_links_to ($self) for values %cf::MAP;
1583	$self->clear;	2109	$self->clear;
1584	$self->in_memory (cf::MAP_SWAPPED);
1585	}	2110	}
1586		2111
1587	sub reset_at {	2112	sub reset_at {
1588	my ($self) = @_;	2113	my ($self) = @_;
1589		2114
1590	# TODO: safety, remove and allow resettable per-player maps	2115	# TODO: safety, remove and allow resettable per-player maps
1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1592	return 1e99 if $self->{deny_reset};	2116	return 1e99 if $self->{deny_reset};
1593		2117
1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2118	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2119	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1596		2120
…		…
1607	my ($self) = @_;	2131	my ($self) = @_;
1608		2132
1609	my $lock = cf::lock_acquire "map_data:$self->{path}";	2133	my $lock = cf::lock_acquire "map_data:$self->{path}";
1610		2134
1611	return if $self->players;	2135	return if $self->players;
1612	return if $self->isa ("ext::map_per_player");#d#
1613		2136
1614	warn "resetting map ", $self->path;#d#	2137	warn "resetting map ", $self->path;
1615		2138
1616	$self->in_memory (cf::MAP_SWAPPED);	2139	$self->in_memory (cf::MAP_SWAPPED);
1617		2140
1618	# need to save uniques path	2141	# need to save uniques path
1619	unless ($self->{deny_save}) {	2142	unless ($self->{deny_save}) {
…		…
1623	if $uniq;	2146	if $uniq;
1624	}	2147	}
1625		2148
1626	delete $cf::MAP{$self->path};	2149	delete $cf::MAP{$self->path};
1627		2150
		2151	$self->deactivate;
		2152	$_->clear_links_to ($self) for values %cf::MAP;
1628	$self->clear;	2153	$self->clear;
1629
1630	$_->clear_links_to ($self) for values %cf::MAP;
1631		2154
1632	$self->unlink_save;	2155	$self->unlink_save;
1633	$self->destroy;	2156	$self->destroy;
1634	}	2157	}
1635		2158
1636	my $nuke_counter = "aaaa";	2159	my $nuke_counter = "aaaa";
1637		2160
1638	sub nuke {	2161	sub nuke {
1639	my ($self) = @_;	2162	my ($self) = @_;
1640		2163
		2164	{
		2165	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2166
1641	delete $cf::MAP{$self->path};	2167	delete $cf::MAP{$self->path};
1642		2168
1643	$self->unlink_save;	2169	$self->unlink_save;
1644		2170
1645	bless $self, "cf::map";	2171	bless $self, "cf::map";
1646	delete $self->{deny_reset};	2172	delete $self->{deny_reset};
1647	$self->{deny_save} = 1;	2173	$self->{deny_save} = 1;
1648	$self->reset_timeout (1);	2174	$self->reset_timeout (1);
1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2175	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1650		2176
1651	$cf::MAP{$self->path} = $self;	2177	$cf::MAP{$self->path} = $self;
		2178	}
1652		2179
1653	$self->reset; # polite request, might not happen	2180	$self->reset; # polite request, might not happen
		2181	}
		2182
		2183	=item $maps = cf::map::tmp_maps
		2184
		2185	Returns an arrayref with all map paths of currently instantiated and saved
		2186	maps. May block.
		2187
		2188	=cut
		2189
		2190	sub tmp_maps() {
		2191	[
		2192	map {
		2193	utf8::decode $_;
		2194	/\.map$/
		2195	? normalise $_
		2196	: ()
		2197	} @{ aio_readdir $TMPDIR or [] }
		2198	]
		2199	}
		2200
		2201	=item $maps = cf::map::random_maps
		2202
		2203	Returns an arrayref with all map paths of currently instantiated and saved
		2204	random maps. May block.
		2205
		2206	=cut
		2207
		2208	sub random_maps() {
		2209	[
		2210	map {
		2211	utf8::decode $_;
		2212	/\.map$/
		2213	? normalise "?random/$_"
		2214	: ()
		2215	} @{ aio_readdir $RANDOMDIR or [] }
		2216	]
1654	}	2217	}
1655		2218
1656	=item cf::map::unique_maps	2219	=item cf::map::unique_maps
1657		2220
1658	Returns an arrayref of paths of all shared maps that have	2221	Returns an arrayref of paths of all shared maps that have
1659	instantiated unique items. May block.	2222	instantiated unique items. May block.
1660		2223
1661	=cut	2224	=cut
1662		2225
1663	sub unique_maps() {	2226	sub unique_maps() {
1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2227	[
1665	or return;	2228	map {
1666
1667	my @paths;
1668
1669	for (@$files) {
1670	utf8::decode $_;	2229	utf8::decode $_;
1671	next if /\.pst$/;	2230	/\.map$/
1672	next unless /^$PATH_SEP/o;	2231	? normalise $_
1673		2232	: ()
1674	push @paths, cf::map::normalise $_;	2233	} @{ aio_readdir $UNIQUEDIR or [] }
1675	}	2234	]
1676
1677	\@paths
1678	}	2235	}
1679		2236
1680	package cf;	2237	package cf;
1681		2238
1682	=back	2239	=back
…		…
1700	map { $_, inv_recursive_ $_->inv } @_	2257	map { $_, inv_recursive_ $_->inv } @_
1701	}	2258	}
1702		2259
1703	sub inv_recursive {	2260	sub inv_recursive {
1704	inv_recursive_ inv $_[0]	2261	inv_recursive_ inv $_[0]
		2262	}
		2263
		2264	=item $ref = $ob->ref
		2265
		2266	creates and returns a persistent reference to an objetc that can be stored as a string.
		2267
		2268	=item $ob = cf::object::deref ($refstring)
		2269
		2270	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2271	even if the object actually exists. May block.
		2272
		2273	=cut
		2274
		2275	sub deref {
		2276	my ($ref) = @_;
		2277
		2278	# temporary compatibility#TODO#remove
		2279	$ref =~ s{^<}{player/<};
		2280
		2281	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2282	my ($uuid, $name) = ($1, $2);
		2283	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2284	or return;
		2285	$pl->ob->uuid eq $uuid
		2286	or return;
		2287
		2288	$pl->ob
		2289	} else {
		2290	warn "$ref: cannot resolve object reference\n";
		2291	undef
		2292	}
1705	}	2293	}
1706		2294
1707	package cf;	2295	package cf;
1708		2296
1709	=back	2297	=back
…		…
1728		2316
1729	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2317	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730		2318
1731	if ($self->{record_replies}) {	2319	if ($self->{record_replies}) {
1732	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2320	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2321
1733	} else {	2322	} else {
		2323	my $pl = $self->contr;
		2324
		2325	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2326	my $dialog = $pl->{npc_dialog};
		2327	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2328
		2329	} else {
1734	$msg = $npc->name . " says: $msg" if $npc;	2330	$msg = $npc->name . " says: $msg" if $npc;
1735	$self->message ($msg, $flags);	2331	$self->message ($msg, $flags);
		2332	}
1736	}	2333	}
		2334	}
		2335
		2336	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2337
		2338	=cut
		2339
		2340	sub cf::object::send_msg {
		2341	my $pl = shift->contr
		2342	or return;
		2343	$pl->send_msg (@_);
1737	}	2344	}
1738		2345
1739	=item $player_object->may ("access")	2346	=item $player_object->may ("access")
1740		2347
1741	Returns wether the given player is authorized to access resource "access"	2348	Returns wether the given player is authorized to access resource "access"
…		…
1788	$self->deactivate_recursive;	2395	$self->deactivate_recursive;
1789		2396
1790	return if UNIVERSAL::isa $self->map, "ext::map_link";	2397	return if UNIVERSAL::isa $self->map, "ext::map_link";
1791		2398
1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2399	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793	if $self->map;	2400	if $self->map && $self->map->{path} ne "{link}";
1794		2401
1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2402	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1796	}	2403	}
1797		2404
1798	sub cf::object::player::leave_link {	2405	sub cf::object::player::leave_link {
1799	my ($self, $map, $x, $y) = @_;	2406	my ($self, $map, $x, $y) = @_;
		2407
		2408	return unless $self->contr->active;
1800		2409
1801	my $link_pos = delete $self->{_link_pos};	2410	my $link_pos = delete $self->{_link_pos};
1802		2411
1803	unless ($map) {	2412	unless ($map) {
1804	# restore original map position	2413	# restore original map position
…		…
1818	# use -1 or undef as default coordinates, not 0, 0	2427	# use -1 or undef as default coordinates, not 0, 0
1819	($x, $y) = ($map->enter_x, $map->enter_y)	2428	($x, $y) = ($map->enter_x, $map->enter_y)
1820	if $x <=0 && $y <= 0;	2429	if $x <=0 && $y <= 0;
1821		2430
1822	$map->load;	2431	$map->load;
1823	$map->load_diag;	2432	$map->load_neighbours;
1824		2433
1825	return unless $self->contr->active;	2434	return unless $self->contr->active;
1826	$self->activate_recursive;	2435	$self->activate_recursive;
		2436
		2437	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2438	$self->enter_map ($map, $x, $y);
1828	}	2439	}
1829		2440
1830	cf::player->attach (	2441	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2442
1834	# abort map switching before logout	2443	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2444	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2445	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2446	the new (success) or old (failed) map position. In either case, $done will
1838	};	2447	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2448
1844	# try to abort aborted map switching on player login :)
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	# we need this sleep as the login has a concurrent enter_exit running
1850	# and this sleep increases chances of the player not ending up in scorn
1851	$pl->ob->reply (undef,
1852	"There was an internal problem at your last logout, "
1853	. "the server will try to bring you to your intended destination in a second.",
1854	cf::NDI_RED);
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2449	=cut
		2450
		2451	our $GOTOGEN;
1865		2452
1866	sub cf::object::player::goto {	2453	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2454	my ($self, $path, $x, $y, $check, $done) = @_;
		2455
		2456	# do generation counting so two concurrent goto's will be executed in-order
		2457	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2458
1869	$self->enter_link;	2459	$self->enter_link;
1870		2460
1871	(async {	2461	(async {
		2462	$Coro::current->{desc} = "player::goto $path $x $y";
		2463
		2464	# *tag paths override both path and x|y
		2465	if ($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
1872	my $map = eval {	2483	my $map = eval {
1873	my $map = cf::map::find $path;	2484	my $map = defined $path ? cf::map::find $path : undef;
		2485
		2486	if ($map) {
1874	$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
1875	$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 $@;
1876	} or	2499	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2500
		2501	if ($gen == $self->{_goto_generation}) {
		2502	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2503	$self->leave_link ($map, $x, $y);
		2504	}
		2505
		2506	$done->() if $done;
1880	})->prio (1);	2507	})->prio (1);
1881	}	2508	}
1882		2509
1883	=item $player_object->enter_exit ($exit_object)	2510	=item $player_object->enter_exit ($exit_object)
1884		2511
…		…
1923		2550
1924	$rmp->{random_seed} ||= $exit->random_seed;	2551	$rmp->{random_seed} ||= $exit->random_seed;
1925		2552
1926	my $data = cf::to_json $rmp;	2553	my $data = cf::to_json $rmp;
1927	my $md5 = Digest::MD5::md5_hex $data;	2554	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2555	my $meta = "$RANDOMDIR/$md5.meta";
1929		2556
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2557	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2558	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2559	undef $fh;
1933	aio_rename "$meta~", $meta;	2560	aio_rename "$meta~", $meta;
…		…
1942		2569
1943	return unless $self->type == cf::PLAYER;	2570	return unless $self->type == cf::PLAYER;
1944		2571
1945	if ($exit->slaying eq "/!") {	2572	if ($exit->slaying eq "/!") {
1946	#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
1947	cf::sync_job { prepare_random_map $exit };	2576	cf::sync_job { prepare_random_map $exit };
1948	}	2577	}
1949		2578
1950	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;
1951	my $hp = $exit->stats->hp;	2580	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;	2581	my $sp = $exit->stats->sp;
1953		2582
1954	$self->enter_link;	2583	$self->enter_link;
1955		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);
		2588
1956	(async {	2589	(async {
		2590	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2591
1957	$self->deactivate_recursive; # just to be sure	2592	$self->deactivate_recursive; # just to be sure
1958	unless (eval {	2593	unless (eval {
1959	$self->goto ($slaying, $hp, $sp);	2594	$self->goto ($slaying, $hp, $sp);
1960		2595
1961	1;	2596	1;
1962	}) {	2597	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2598	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "I'll try to bring you back to the map you were before. "	2599	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2600	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2601	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2602
1968	warn "ERROR in enter_exit: $@";	2603	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2604	$self->leave_link;
1970	}	2605	}
1971	})->prio (1);	2606	})->prio (1);
…		…
1984		2619
1985	sub cf::client::send_drawinfo {	2620	sub cf::client::send_drawinfo {
1986	my ($self, $text, $flags) = @_;	2621	my ($self, $text, $flags) = @_;
1987		2622
1988	utf8::encode $text;	2623	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2624	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2625	}
1991		2626
		2627	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2628
		2629	Send a drawinfo or msg packet to the client, formatting the msg for the
		2630	client if neccessary. C<$type> should be a string identifying the type of
		2631	the message, with C<log> being the default. If C<$color> is negative, suppress
		2632	the message unless the client supports the msg packet.
		2633
		2634	=cut
		2635
		2636	our %CHANNEL = (
		2637	"c/identify" => {
		2638	id => "identify",
		2639	title => "Identify",
		2640	reply => undef,
		2641	tooltip => "Items recently identified",
		2642	},
		2643	"c/examine" => {
		2644	id => "examine",
		2645	title => "Examine",
		2646	reply => undef,
		2647	tooltip => "Signs and other items you examined",
		2648	},
		2649	);
		2650
		2651	sub cf::client::send_msg {
		2652	my ($self, $channel, $msg, $color, @extra) = @_;
		2653
		2654	$msg = $self->pl->expand_cfpod ($msg);
		2655
		2656	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2657
		2658	# check predefined channels, for the benefit of C
		2659	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2660
		2661	if (ref $channel) {
		2662	# send meta info to client, if not yet sent
		2663	unless (exists $self->{channel}{$channel->{id}}) {
		2664	$self->{channel}{$channel->{id}} = $channel;
		2665	$self->ext_msg (channel_info => $channel)
		2666	if $self->can_msg;
		2667	}
		2668
		2669	$channel = $channel->{id};
		2670	}
		2671
		2672	return unless @extra || length $msg;
		2673
		2674	if ($self->can_msg) {
		2675	# default colour, mask it out
		2676	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2677	if $color & cf::NDI_DEF;
		2678
		2679	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2680	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2681	} else {
		2682	if ($color >= 0) {
		2683	# replace some tags by gcfclient-compatible ones
		2684	for ($msg) {
		2685	1 while
		2686	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2687	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2688	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2689	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2690	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2691	}
		2692
		2693	$color &= cf::NDI_COLOR_MASK;
		2694
		2695	utf8::encode $msg;
		2696
		2697	if (0 && $msg =~ /\[/) {
		2698	# COMMAND/INFO
		2699	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2700	} else {
		2701	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2702	$self->send_packet ("drawinfo $color $msg")
		2703	}
		2704	}
		2705	}
		2706	}
		2707
		2708	=item $client->ext_msg ($type, @msg)
		2709
		2710	Sends an ext event to the client.
		2711
		2712	=cut
		2713
		2714	sub cf::client::ext_msg($$@) {
		2715	my ($self, $type, @msg) = @_;
		2716
		2717	if ($self->extcmd == 2) {
		2718	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2719	} elsif ($self->extcmd == 1) { # TODO: remove
		2720	push @msg, msgtype => "event_$type";
		2721	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2722	}
		2723	}
		2724
		2725	=item $client->ext_reply ($msgid, @msg)
		2726
		2727	Sends an ext reply to the client.
		2728
		2729	=cut
		2730
		2731	sub cf::client::ext_reply($$@) {
		2732	my ($self, $id, @msg) = @_;
		2733
		2734	if ($self->extcmd == 2) {
		2735	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2736	} elsif ($self->extcmd == 1) {
		2737	#TODO: version 1, remove
		2738	unshift @msg, msgtype => "reply", msgid => $id;
		2739	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2740	}
		2741	}
1992		2742
1993	=item $success = $client->query ($flags, "text", \&cb)	2743	=item $success = $client->query ($flags, "text", \&cb)
1994		2744
1995	Queues a query to the client, calling the given callback with	2745	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2746	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2747	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2748
1999	Queries can fail, so check the return code. Or don't, as queries will become	2749	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2750	become reliable at some point in the future.
2001		2751
2002	=cut	2752	=cut
2003		2753
2004	sub cf::client::query {	2754	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2755	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2763	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2764	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2765
2016	$self->send_packet ($self->{query_queue}[0][0])	2766	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2767	if @{ $self->{query_queue} } == 1;
		2768
		2769	1
2018	}	2770	}
2019		2771
2020	cf::client->attach (	2772	cf::client->attach (
		2773	on_connect => sub {
		2774	my ($ns) = @_;
		2775
		2776	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2777	},
2021	on_reply => sub {	2778	on_reply => sub {
2022	my ($ns, $msg) = @_;	2779	my ($ns, $msg) = @_;
2023		2780
2024	# this weird shuffling is so that direct followup queries	2781	# this weird shuffling is so that direct followup queries
2025	# get handled first	2782	# get handled first
…		…
2037	} else {	2794	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2795	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2796	}
2040	}	2797	}
2041	},	2798	},
		2799	on_exticmd => sub {
		2800	my ($ns, $buf) = @_;
		2801
		2802	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2803
		2804	if (ref $msg) {
		2805	my ($type, $reply, @payload) =
		2806	"ARRAY" eq ref $msg
		2807	? @$msg
		2808	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2809
		2810	my @reply;
		2811
		2812	if (my $cb = $EXTICMD{$type}) {
		2813	@reply = $cb->($ns, @payload);
		2814	}
		2815
		2816	$ns->ext_reply ($reply, @reply)
		2817	if $reply;
		2818
		2819	} else {
		2820	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2821	}
		2822
		2823	cf::override;
		2824	},
2042	);	2825	);
2043		2826
2044	=item $client->async (\&cb)	2827	=item $client->async (\&cb)
2045		2828
2046	Create a new coroutine, running the specified callback. The coroutine will	2829	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	2870	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	2871	our $safe_hole = new Safe::Hole;
2089		2872
2090	$SIG{FPE} = 'IGNORE';	2873	$SIG{FPE} = 'IGNORE';
2091		2874
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2875	$safe->permit_only (Opcode::opset qw(
		2876	:base_core :base_mem :base_orig :base_math
		2877	grepstart grepwhile mapstart mapwhile
		2878	sort time
		2879	));
2093		2880
2094	# here we export the classes and methods available to script code	2881	# here we export the classes and methods available to script code
2095		2882
2096	=pod	2883	=pod
2097		2884
2098	The following fucntions and emthods are available within a safe environment:	2885	The following functions and methods are available within a safe environment:
2099		2886
2100	cf::object contr pay_amount pay_player map	2887	cf::object
		2888	contr pay_amount pay_player map x y force_find force_add
		2889	insert remove name archname title slaying race decrease_ob_nr
		2890
2101	cf::object::player player	2891	cf::object::player
2102	cf::player peaceful	2892	player
2103	cf::map trigger	2893
		2894	cf::player
		2895	peaceful
		2896
		2897	cf::map
		2898	trigger
2104		2899
2105	=cut	2900	=cut
2106		2901
2107	for (	2902	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	2903	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2904	insert remove inv name archname title slaying race
		2905	decrease_ob_nr)],
2109	["cf::object::player" => qw(player)],	2906	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	2907	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	2908	["cf::map" => qw(trigger)],
2112	) {	2909	) {
2113	no strict 'refs';	2910	no strict 'refs';
…		…
2184	=back	2981	=back
2185		2982
2186	=cut	2983	=cut
2187		2984
2188	#############################################################################	2985	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	2986	# the server's init and main functions
2262		2987
2263	sub load_resources {	2988	sub load_facedata($) {
2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2989	my ($path) = @_;
		2990
		2991	# HACK to clear player env face cache, we need some signal framework
		2992	# for this (global event?)
		2993	%ext::player_env::MUSIC_FACE_CACHE = ();
		2994
		2995	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2996
		2997	warn "loading facedata from $path\n";
		2998
		2999	my $facedata;
		3000	0 < aio_load $path, $facedata
		3001	or die "$path: $!";
		3002
		3003	$facedata = Coro::Storable::thaw $facedata;
		3004
		3005	$facedata->{version} == 2
		3006	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3007
		3008	# patch in the exptable
		3009	$facedata->{resource}{"res/exp_table"} = {
		3010	type => FT_RSRC,
		3011	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3012	};
		3013	cf::cede_to_tick;
		3014
		3015	{
		3016	my $faces = $facedata->{faceinfo};
		3017
		3018	while (my ($face, $info) = each %$faces) {
		3019	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3020	cf::face::set_visibility $idx, $info->{visibility};
		3021	cf::face::set_magicmap $idx, $info->{magicmap};
		3022	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3023	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3024
		3025	cf::cede_to_tick;
		3026	}
		3027
		3028	while (my ($face, $info) = each %$faces) {
		3029	next unless $info->{smooth};
		3030	my $idx = cf::face::find $face
		3031	or next;
		3032	if (my $smooth = cf::face::find $info->{smooth}) {
		3033	cf::face::set_smooth $idx, $smooth;
		3034	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3035	} else {
		3036	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3037	}
		3038
		3039	cf::cede_to_tick;
		3040	}
		3041	}
		3042
		3043	{
		3044	my $anims = $facedata->{animinfo};
		3045
		3046	while (my ($anim, $info) = each %$anims) {
		3047	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3048	cf::cede_to_tick;
		3049	}
		3050
		3051	cf::anim::invalidate_all; # d'oh
		3052	}
		3053
		3054	{
		3055	# TODO: for gcfclient pleasure, we should give resources
		3056	# that gcfclient doesn't grok a >10000 face index.
		3057	my $res = $facedata->{resource};
		3058
		3059	my $soundconf = delete $res->{"res/sound.conf"};
		3060
		3061	while (my ($name, $info) = each %$res) {
		3062	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3063	my $data;
		3064
		3065	if ($info->{type} & 1) {
		3066	# prepend meta info
		3067
		3068	my $meta = $enc->encode ({
		3069	name => $name,
		3070	%{ $info->{meta} || {} },
		3071	});
		3072
		3073	$data = pack "(w/a*)*", $meta, $info->{data};
		3074	} else {
		3075	$data = $info->{data};
		3076	}
		3077
		3078	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3079	cf::face::set_type $idx, $info->{type};
		3080
		3081	cf::cede_to_tick;
		3082	}
		3083
		3084	if ($soundconf) {
		3085	$soundconf = $enc->decode (delete $soundconf->{data});
		3086
		3087	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3088	my $sound = $soundconf->{compat}[$_]
		3089	or next;
		3090
		3091	my $face = cf::face::find "sound/$sound->[1]";
		3092	cf::sound::set $sound->[0] => $face;
		3093	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3094	}
		3095
		3096	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3097	my $face = cf::face::find "sound/$v";
		3098	cf::sound::set $k => $face;
		3099	}
		3100	}
		3101	}
		3102
		3103	1
		3104	}
		3105
		3106	register_exticmd fx_want => sub {
		3107	my ($ns, $want) = @_;
		3108
		3109	while (my ($k, $v) = each %$want) {
		3110	$ns->fx_want ($k, $v);
		3111	}
		3112	};
		3113
		3114	sub reload_regions {
		3115	# HACK to clear player env face cache, we need some signal framework
		3116	# for this (global event?)
		3117	%ext::player_env::MUSIC_FACE_CACHE = ();
		3118
		3119	load_resource_file "$MAPDIR/regions"
2265	or die "unable to load regions file\n";#d#	3120	or die "unable to load regions file\n";
2266	}
2267		3121
2268	sub cfg_load {	3122	for (cf::region::list) {
		3123	$_->{match} = qr/$_->{match}/
		3124	if exists $_->{match};
		3125	}
		3126	}
		3127
		3128	sub reload_facedata {
		3129	load_facedata "$DATADIR/facedata"
		3130	or die "unable to load facedata\n";
		3131	}
		3132
		3133	sub reload_archetypes {
		3134	load_resource_file "$DATADIR/archetypes"
		3135	or die "unable to load archetypes\n";
		3136	#d# NEED to laod twice to resolve forward references
		3137	# this really needs to be done in an extra post-pass
		3138	# (which needs to be synchronous, so solve it differently)
		3139	load_resource_file "$DATADIR/archetypes"
		3140	or die "unable to load archetypes\n";
		3141	}
		3142
		3143	sub reload_treasures {
		3144	load_resource_file "$DATADIR/treasures"
		3145	or die "unable to load treasurelists\n";
		3146	}
		3147
		3148	sub reload_resources {
		3149	warn "reloading resource files...\n";
		3150
		3151	reload_regions;
		3152	reload_facedata;
		3153	#reload_archetypes;#d#
		3154	reload_archetypes;
		3155	reload_treasures;
		3156
		3157	warn "finished reloading resource files\n";
		3158	}
		3159
		3160	sub init {
		3161	reload_resources;
		3162	}
		3163
		3164	sub reload_config {
2269	open my $fh, "<:utf8", cf::confdir . "/config"	3165	open my $fh, "<:utf8", "$CONFDIR/config"
2270	or return;	3166	or return;
2271		3167
2272	local $/;	3168	local $/;
2273	*CFG = YAML::Syck::Load <$fh>;	3169	*CFG = YAML::Syck::Load <$fh>;
2274		3170
…		…
2284	};	3180	};
2285	warn $@ if $@;	3181	warn $@ if $@;
2286	}	3182	}
2287	}	3183	}
2288		3184
2289	sub init {
2290	load_resources;
2291	}
2292
2293	sub main {	3185	sub main {
2294	# we must not ever block the main coroutine	3186	# we must not ever block the main coroutine
2295	local $Coro::idle = sub {	3187	local $Coro::idle = sub {
2296	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3188	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2297	(async {	3189	(async {
		3190	$Coro::current->{desc} = "IDLE BUG HANDLER";
2298	Event::one_event;	3191	Event::one_event;
2299	})->prio (Coro::PRIO_MAX);	3192	})->prio (Coro::PRIO_MAX);
2300	};	3193	};
2301		3194
2302	cfg_load;	3195	reload_config;
2303	db_init;	3196	db_init;
2304	load_extensions;	3197	load_extensions;
2305		3198
2306	$TICK_WATCHER->start;	3199	$TICK_WATCHER->start;
2307	Event::loop;	3200	Event::loop;
…		…
2323	},	3216	},
2324	);	3217	);
2325	}	3218	}
2326	}	3219	}
2327		3220
		3221	sub write_runtime {
		3222	my $runtime = "$LOCALDIR/runtime";
		3223
		3224	# first touch the runtime file to show we are still running:
		3225	# the fsync below can take a very very long time.
		3226
		3227	IO::AIO::aio_utime $runtime, undef, undef;
		3228
		3229	my $guard = cf::lock_acquire "write_runtime";
		3230
		3231	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3232	or return;
		3233
		3234	my $value = $cf::RUNTIME + 90 + 10;
		3235	# 10 is the runtime save interval, for a monotonic clock
		3236	# 60 allows for the watchdog to kill the server.
		3237
		3238	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3239	and return;
		3240
		3241	# always fsync - this file is important
		3242	aio_fsync $fh
		3243	and return;
		3244
		3245	# touch it again to show we are up-to-date
		3246	aio_utime $fh, undef, undef;
		3247
		3248	close $fh
		3249	or return;
		3250
		3251	aio_rename "$runtime~", $runtime
		3252	and return;
		3253
		3254	warn "runtime file written.\n";
		3255
		3256	1
		3257	}
		3258
2328	sub emergency_save() {	3259	sub emergency_save() {
2329	my $freeze_guard = cf::freeze_mainloop;	3260	my $freeze_guard = cf::freeze_mainloop;
2330		3261
2331	warn "enter emergency perl save\n";	3262	warn "enter emergency perl save\n";
2332		3263
…		…
2363		3294
2364	warn Carp::longmess "post_cleanup backtrace"	3295	warn Carp::longmess "post_cleanup backtrace"
2365	if $make_core;	3296	if $make_core;
2366	}	3297	}
2367		3298
2368	sub reload() {	3299	sub do_reload_perl() {
2369	# can/must only be called in main	3300	# can/must only be called in main
2370	if ($Coro::current != $Coro::main) {	3301	if ($Coro::current != $Coro::main) {
2371	warn "can only reload from main coroutine";	3302	warn "can only reload from main coroutine";
2372	return;	3303	return;
2373	}	3304	}
2374		3305
2375	warn "reloading...";	3306	warn "reloading...";
2376		3307
2377	warn "cancelling server ticker";	3308	warn "entering sync_job";
2378	$TICK_WATCHER->cancel;
2379		3309
		3310	cf::sync_job {
		3311	cf::write_runtime; # external watchdog should not bark
2380	cf::emergency_save;	3312	cf::emergency_save;
		3313	cf::write_runtime; # external watchdog should not bark
2381		3314
2382	eval {	3315	warn "syncing database to disk";
		3316	BDB::db_env_txn_checkpoint $DB_ENV;
		3317
2383	# if anything goes wrong in here, we should simply crash as we already saved	3318	# if anything goes wrong in here, we should simply crash as we already saved
2384		3319
2385	warn "cancelling all WF_AUTOCANCEL watchers";	3320	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {	3321	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;	3322	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}	3323	}
2389
2390	warn "syncing database to disk";
2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392		3324
2393	warn "flushing outstanding aio requests";	3325	warn "flushing outstanding aio requests";
2394	for (;;) {	3326	for (;;) {
2395	BDB::flush;	3327	BDB::flush;
2396	IO::AIO::flush;	3328	IO::AIO::flush;
2397	Coro::cede;	3329	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;	3330	last unless IO::AIO::nreqs || BDB::nreqs;
2399	warn "iterate...";	3331	warn "iterate...";
2400	}	3332	}
2401		3333
		3334	++$RELOAD;
		3335
2402	warn "cancelling all extension coros";	3336	warn "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;	3337	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();	3338	%EXT_CORO = ();
2405		3339
2406	warn "removing commands";	3340	warn "removing commands";
2407	%COMMAND = ();	3341	%COMMAND = ();
2408		3342
2409	warn "removing ext commands";	3343	warn "removing ext/exti commands";
2410	%EXTCMD = ();	3344	%EXTCMD = ();
		3345	%EXTICMD = ();
2411		3346
2412	warn "unloading/nuking all extensions";	3347	warn "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {	3348	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";	3349	warn "... unloading $pkg";
2415		3350
…		…
2445	Symbol::delete_package "safe::$_"	3380	Symbol::delete_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3381	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3382
2448	warn "unloading cf.pm \"a bit\"";	3383	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3384	delete $INC{"cf.pm"};
		3385	delete $INC{"cf/pod.pm"};
2450		3386
2451	# don't, removes xs symbols, too,	3387	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3388	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3389	#Symbol::delete_package __PACKAGE__;
2454		3390
…		…
2457	warn "reloading cf.pm";	3393	warn "reloading cf.pm";
2458	require cf;	3394	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3395	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2460		3396
2461	warn "loading config and database again";	3397	warn "loading config and database again";
2462	cf::cfg_load;	3398	cf::reload_config;
2463		3399
2464	warn "loading extensions";	3400	warn "loading extensions";
2465	cf::load_extensions;	3401	cf::load_extensions;
2466		3402
2467	warn "reattaching attachments to objects/players";	3403	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3404	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3405	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3406	reattach $_ for values %MAP;
		3407	warn "reattaching attachments to players";
		3408	reattach $_ for values %PLAYER;
2471		3409
2472	warn "loading reloadable resources";	3410	warn "leaving sync_job";
2473	load_resources;
2474		3411
2475	warn "restarting server ticker";	3412	1
2476		3413	} or do {
2477	$TICK_WATCHER->start;
2478	};
2479
2480	if ($@) {
2481	warn $@;	3414	warn $@;
2482	warn "error while reloading, exiting.";	3415	warn "error while reloading, exiting.";
2483	exit 1;	3416	exit 1;
2484	}	3417	};
2485		3418
2486	warn "reloaded";	3419	warn "reloaded";
2487	};	3420	};
2488		3421
2489	our $RELOAD_WATCHER; # used only during reload	3422	our $RELOAD_WATCHER; # used only during reload
2490		3423
		3424	sub reload_perl() {
		3425	# doing reload synchronously and two reloads happen back-to-back,
		3426	# coro crashes during coro_state_free->destroy here.
		3427
		3428	$RELOAD_WATCHER ||= Event->timer (
		3429	reentrant => 0,
		3430	after => 0,
		3431	data => WF_AUTOCANCEL,
		3432	cb => sub {
		3433	do_reload_perl;
		3434	undef $RELOAD_WATCHER;
		3435	},
		3436	);
		3437	}
		3438
2491	register_command "reload" => sub {	3439	register_command "reload" => sub {
2492	my ($who, $arg) = @_;	3440	my ($who, $arg) = @_;
2493		3441
2494	if ($who->flag (FLAG_WIZ)) {	3442	if ($who->flag (FLAG_WIZ)) {
2495	$who->message ("reloading server.");	3443	$who->message ("reloading server.");
2496		3444	async {
2497	# doing reload synchronously and two reloads happen back-to-back,	3445	$Coro::current->{desc} = "perl_reload";
2498	# coro crashes during coro_state_free->destroy here.
2499
2500	$RELOAD_WATCHER ||= Event->timer (
2501	reentrant => 0,
2502	after => 0,
2503	data => WF_AUTOCANCEL,
2504	cb => sub {
2505	reload;	3446	reload_perl;
2506	undef $RELOAD_WATCHER;
2507	},
2508	);	3447	};
2509	}	3448	}
2510	};	3449	};
2511		3450
2512	unshift @INC, $LIBDIR;	3451	unshift @INC, $LIBDIR;
2513		3452
2514	my $bug_warning = 0;	3453	my $bug_warning = 0;
		3454
		3455	our @WAIT_FOR_TICK;
		3456	our @WAIT_FOR_TICK_BEGIN;
		3457
		3458	sub wait_for_tick {
		3459	return unless $TICK_WATCHER->is_active;
		3460	return if $Coro::current == $Coro::main;
		3461
		3462	my $signal = new Coro::Signal;
		3463	push @WAIT_FOR_TICK, $signal;
		3464	$signal->wait;
		3465	}
		3466
		3467	sub wait_for_tick_begin {
		3468	return unless $TICK_WATCHER->is_active;
		3469	return if $Coro::current == $Coro::main;
		3470
		3471	my $signal = new Coro::Signal;
		3472	push @WAIT_FOR_TICK_BEGIN, $signal;
		3473	$signal->wait;
		3474	}
2515		3475
2516	$TICK_WATCHER = Event->timer (	3476	$TICK_WATCHER = Event->timer (
2517	reentrant => 0,	3477	reentrant => 0,
2518	parked => 1,	3478	parked => 1,
2519	prio => 0,	3479	prio => 0,
…		…
2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3484	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525	unless ++$bug_warning > 10;	3485	unless ++$bug_warning > 10;
2526	return;	3486	return;
2527	}	3487	}
2528		3488
2529	$NOW = Event::time;	3489	$NOW = $tick_start = Event::time;
2530		3490
2531	cf::server_tick; # one server iteration	3491	cf::server_tick; # one server iteration
		3492
2532	$RUNTIME += $TICK;	3493	$RUNTIME += $TICK;
2533	$NEXT_TICK += $TICK;	3494	$NEXT_TICK += $TICK;
2534		3495
2535	$WAIT_FOR_TICK->broadcast;	3496	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3497	$NEXT_RUNTIME_WRITE = $NOW + 10;
2537		3498	Coro::async_pool {
2538	Event::sweep;	3499	$Coro::current->{desc} = "runtime saver";
2539	Coro::cede_notself;	3500	write_runtime
		3501	or warn "ERROR: unable to write runtime file: $!";
		3502	};
2540		3503	}
2541	# my $AFTER = Event::time;	3504
2542	# warn $AFTER - $NOW;#d#	3505	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3506	$sig->send;
		3507	}
		3508	while (my $sig = shift @WAIT_FOR_TICK) {
		3509	$sig->send;
		3510	}
		3511
		3512	$NOW = Event::time;
2543		3513
2544	# if we are delayed by four ticks or more, skip them all	3514	# if we are delayed by four ticks or more, skip them all
2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3515	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2546		3516
2547	$TICK_WATCHER->at ($NEXT_TICK);	3517	$TICK_WATCHER->at ($NEXT_TICK);
2548	$TICK_WATCHER->start;	3518	$TICK_WATCHER->start;
		3519
		3520	$LOAD = ($NOW - $tick_start) / $TICK;
		3521	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3522
		3523	_post_tick;
2549	},	3524	},
2550	);	3525	);
2551		3526
2552	{	3527	{
		3528	BDB::min_parallel 8;
2553	BDB::max_poll_time $TICK * 0.1;	3529	BDB::max_poll_time $TICK * 0.1;
2554	$BDB_POLL_WATCHER = Event->io (	3530	$BDB_POLL_WATCHER = Event->io (
2555	reentrant => 0,	3531	reentrant => 0,
2556	fd => BDB::poll_fileno,	3532	fd => BDB::poll_fileno,
2557	poll => 'r',	3533	poll => 'r',
2558	prio => 0,	3534	prio => 0,
2559	data => WF_AUTOCANCEL,	3535	data => WF_AUTOCANCEL,
2560	cb => \&BDB::poll_cb,	3536	cb => \&BDB::poll_cb,
2561	);	3537	);
2562	BDB::min_parallel 8;
2563		3538
2564	BDB::set_sync_prepare {	3539	BDB::set_sync_prepare {
2565	my $status;	3540	my $status;
2566	my $current = $Coro::current;	3541	my $current = $Coro::current;
2567	(	3542	(
…		…
2576	)	3551	)
2577	};	3552	};
2578		3553
2579	unless ($DB_ENV) {	3554	unless ($DB_ENV) {
2580	$DB_ENV = BDB::db_env_create;	3555	$DB_ENV = BDB::db_env_create;
		3556	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3557	| BDB::LOG_AUTOREMOVE, 1);
		3558	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3559	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2581		3560
2582	cf::sync_job {	3561	cf::sync_job {
2583	eval {	3562	eval {
2584	BDB::db_env_open	3563	BDB::db_env_open
2585	$DB_ENV,	3564	$DB_ENV,
2586	$BDB_ENV_DIR,	3565	$BDBDIR,
2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3566	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3567	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589	0666;	3568	0666;
2590		3569
2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3570	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2592
2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2594	$DB_ENV->set_lk_detect;
2595	};	3571	};
2596		3572
2597	cf::cleanup "db_env_open(db): $@" if $@;	3573	cf::cleanup "db_env_open(db): $@" if $@;
2598	};	3574	};
2599	}	3575	}
		3576
		3577	$BDB_DEADLOCK_WATCHER = Event->timer (
		3578	after => 3,
		3579	interval => 1,
		3580	hard => 1,
		3581	prio => 0,
		3582	data => WF_AUTOCANCEL,
		3583	cb => sub {
		3584	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3585	},
		3586	);
		3587	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3588	after => 11,
		3589	interval => 60,
		3590	hard => 1,
		3591	prio => 0,
		3592	data => WF_AUTOCANCEL,
		3593	cb => sub {
		3594	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3595	},
		3596	);
		3597	$BDB_TRICKLE_WATCHER = Event->timer (
		3598	after => 5,
		3599	interval => 10,
		3600	hard => 1,
		3601	prio => 0,
		3602	data => WF_AUTOCANCEL,
		3603	cb => sub {
		3604	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3605	},
		3606	);
2600	}	3607	}
2601		3608
2602	{	3609	{
2603	IO::AIO::min_parallel 8;	3610	IO::AIO::min_parallel 8;
2604		3611
2605	undef $Coro::AIO::WATCHER;	3612	undef $Coro::AIO::WATCHER;
2606	IO::AIO::max_poll_time $TICK * 0.1;	3613	IO::AIO::max_poll_time $TICK * 0.1;
2607	$AIO_POLL_WATCHER = Event->io (	3614	$AIO_POLL_WATCHER = Event->io (
2608	reentrant => 0,	3615	reentrant => 0,
		3616	data => WF_AUTOCANCEL,
2609	fd => IO::AIO::poll_fileno,	3617	fd => IO::AIO::poll_fileno,
2610	poll => 'r',	3618	poll => 'r',
2611	prio => 6,	3619	prio => 6,
2612	data => WF_AUTOCANCEL,
2613	cb => \&IO::AIO::poll_cb,	3620	cb => \&IO::AIO::poll_cb,
2614	);	3621	);
2615	}	3622	}
2616		3623
2617	$WRITE_RUNTIME_WATCHER = Event->timer (	3624	my $_log_backtrace;
2618	reentrant => 0,	3625
2619	data => WF_AUTOCANCEL,	3626	sub _log_backtrace {
2620	after => 1,	3627	my ($msg, @addr) = @_;
2621	interval => 10,	3628
2622	prio => 6, # keep it lowest so it acts like a watchdog	3629	$msg =~ s/\n//;
2623	cb => Coro::unblock_sub {	3630
2624	write_runtime	3631	# limit the # of concurrent backtraces
2625	or warn "ERROR: unable to write runtime file: $!";	3632	if ($_log_backtrace < 2) {
		3633	++$_log_backtrace;
		3634	async {
		3635	$Coro::current->{desc} = "abt $msg";
		3636
		3637	my @bt = fork_call {
		3638	@addr = map { sprintf "%x", $_ } @addr;
		3639	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3640	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3641	or die "addr2line: $!";
		3642
		3643	my @funcs;
		3644	my @res = <$fh>;
		3645	chomp for @res;
		3646	while (@res) {
		3647	my ($func, $line) = splice @res, 0, 2, ();
		3648	push @funcs, "[$func] $line";
		3649	}
		3650
		3651	@funcs
		3652	};
		3653
		3654	LOG llevInfo, "[ABT] $msg\n";
		3655	LOG llevInfo, "[ABT] $_\n" for @bt;
		3656	--$_log_backtrace;
		3657	};
		3658	} else {
		3659	LOG llevInfo, "[ABT] $msg\n";
		3660	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	3661	}
2627	);	3662	}
		3663
		3664	# load additional modules
		3665	use cf::pod;
2628		3666
2629	END { cf::emergency_save }	3667	END { cf::emergency_save }
2630		3668
2631	1	3669	1
2632		3670

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