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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 1.379 by root, Thu Oct 4 23:59:07 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
		432	LOG llevError | logBacktrace, Carp::longmess "sync job";#d#
		433
315	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	435	# (but this is cancel-safe)
317	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
318		437
319	my $busy = 1;	438	my $busy = 1;
320	my @res;	439	my @res;
321		440
322	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	443	@res = eval { $job->() };
324	warn $@ if $@;	444	warn $@ if $@;
325	undef $busy;	445	undef $busy;
326	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
327		447
328	while ($busy) {	448	while ($busy) {
329	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
330	}	450	}
		451
		452	$time = Event::time - $time;
		453
		454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		456
		457	$tick_start += $time; # do not account sync jobs to server load
331		458
332	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
333	} else {	460	} else {
334	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
335		462
…		…
355	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
356		483
357	$coro	484	$coro
358	}	485	}
359		486
360	sub write_runtime {	487	=item fork_call { }, $args
361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362		488
363	my $runtime = cf::localdir . "/runtime";	489	Executes the given code block with the given arguments in a seperate
		490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
364		493
365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	494	=cut
366	or return;
367		495
368	my $value = $cf::RUNTIME + 90 + 10;	496	sub fork_call(&@) {
369	# 10 is the runtime save interval, for a monotonic clock	497	my ($cb, @args) = @_;
370	# 60 allows for the watchdog to kill the server.
371		498
372	(aio_write $fh, 0, (length $value), $value, 0) <= 0	499	# we seemingly have to make a local copy of the whole thing,
373	and return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
374		502
375	# always fsync - this file is important	503	my @res = Coro::Util::fork_eval {
376	aio_fsync $fh	504	reset_signals;
377	and return;	505	&$cb
		506	}, @args;
378		507
379	close $fh	508	wantarray ? @res : $res[-1]
380	or return;	509	}
381		510
382	aio_rename "$runtime~", $runtime	511	=item $value = cf::db_get $family => $key
383	and return;
384		512
		513	Returns a single value from the environment database.
		514
		515	=item cf::db_put $family => $key => $value
		516
		517	Stores the given C<$value> in the family. It can currently store binary
		518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		519
		520	=item $db = cf::db_table "name"
		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
385	1	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
		636	}
		637
		638	=item cf::datalog type => key => value, ...
		639
		640	Log a datalog packet of the given type with the given key-value pairs.
		641
		642	=cut
		643
		644	sub datalog($@) {
		645	my ($type, %kv) = @_;
		646	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
386	}	647	}
387		648
388	=back	649	=back
389		650
390	=cut	651	=cut
…		…
397	attach callbacks/event handlers (a collection of which is called an "attachment")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
398	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
399		660
400	In the following description, CLASS can be any of C<global>, C<object>	661	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	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
402	crossfire+).	663	Crossfire TRT).
403		664
404	=over 4	665	=over 4
405		666
406	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
407		668
…		…
570	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
571		832
572	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
573	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
574	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
575	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
576		837
577	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
578	my $pkg = shift @arg;	839	my $pkg = shift @arg;
579		840
580	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
609	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
610	}	871	}
611		872
612	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
613	} else {	874	} else {
614	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
615	}	876	}
616		877
617	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
618	}	879	}
619		880
…		…
621	if (ref $_[0]) {	882	if (ref $_[0]) {
622	_object_attach @_;	883	_object_attach @_;
623	} else {	884	} else {
624	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
625	}	886	}
		887	_recalc_want;
626	};	888	};
627		889
628	# all those should be optimised	890	# all those should be optimised
629	sub cf::attachable::detach {	891	sub cf::attachable::detach {
630	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
633	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
634	reattach ($obj);	896	reattach ($obj);
635	} else {	897	} else {
636	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
637	}	899	}
		900	_recalc_want;
638	};	901	};
639		902
640	sub cf::attachable::attached {	903	sub cf::attachable::attached {
641	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
642		905
…		…
657	";	920	";
658	die if $@;	921	die if $@;
659	}	922	}
660		923
661	our $override;	924	our $override;
662	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
663		926
664	sub override {	927	sub override {
665	$override = 1;	928	$override = 1;
666	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
667	}	930	}
668		931
669	sub do_invoke {	932	sub do_invoke {
670	my $event = shift;	933	my $event = shift;
671	my $callbacks = shift;	934	my $callbacks = shift;
672		935
673	@invoke_results = ();	936	@INVOKE_RESULTS = ();
674		937
675	local $override;	938	local $override;
676		939
677	for (@$callbacks) {	940	for (@$callbacks) {
678	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
695		958
696	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
697		960
698	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	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	962	removed in future versions), and there is no public API to access override
700	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
701		964
702	=back	965	=back
703		966
704	=cut	967	=cut
705		968
706	#############################################################################	969	#############################################################################
707	# object support	970	# object support
		971	#
		972
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	local $Storable::canonical = 1;
		977	my $fob1 = Storable::freeze $ob1;
		978	my $fob2 = Storable::freeze $ob2;
		979
		980	$fob1 eq $fob2
		981	}
708		982
709	sub reattach {	983	sub reattach {
710	# basically do the same as instantiate, without calling instantiate	984	# basically do the same as instantiate, without calling instantiate
711	my ($obj) = @_;	985	my ($obj) = @_;
712		986
…		…
759	sub object_freezer_save {	1033	sub object_freezer_save {
760	my ($filename, $rdata, $objs) = @_;	1034	my ($filename, $rdata, $objs) = @_;
761		1035
762	sync_job {	1036	sync_job {
763	if (length $$rdata) {	1037	if (length $$rdata) {
		1038	utf8::decode (my $decname = $filename);
764	warn sprintf "saving %s (%d,%d)\n",	1039	warn sprintf "saving %s (%d,%d)\n",
765	$filename, length $$rdata, scalar @$objs;	1040	$decname, length $$rdata, scalar @$objs;
766		1041
767	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
768	chmod SAVE_MODE, $fh;	1043	chmod SAVE_MODE, $fh;
769	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
770	aio_fsync $fh if $cf::USE_FSYNC;	1045	aio_fsync $fh if $cf::USE_FSYNC;
…		…
789	}	1064	}
790	} else {	1065	} else {
791	aio_unlink $filename;	1066	aio_unlink $filename;
792	aio_unlink "$filename.pst";	1067	aio_unlink "$filename.pst";
793	}	1068	}
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	}	1069	};
801	}	1070	}
802		1071
803	sub object_freezer_as_string {	1072	sub object_freezer_as_string {
804	my ($rdata, $objs) = @_;	1073	my ($rdata, $objs) = @_;
805		1074
…		…
810		1079
811	sub object_thawer_load {	1080	sub object_thawer_load {
812	my ($filename) = @_;	1081	my ($filename) = @_;
813		1082
814	my ($data, $av);	1083	my ($data, $av);
815
816	#d#TODO remove .map if file does not exist
817	aio_stat $filename and $filename =~ s/\.map$//;
818		1084
819	(aio_load $filename, $data) >= 0	1085	(aio_load $filename, $data) >= 0
820	or return;	1086	or return;
821		1087
822	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
823	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
824	or return;	1090	or return;
		1091
825	$av = eval { (Storable::thaw $av)->{objs} };	1092	$av = eval { (Storable::thaw $av)->{objs} };
826	}	1093	}
827		1094
		1095	utf8::decode (my $decname = $filename);
828	warn sprintf "loading %s (%d)\n",	1096	warn sprintf "loading %s (%d,%d)\n",
829	$filename, length $data, scalar @{$av || []};#d#	1097	$decname, length $data, scalar @{$av || []};
		1098
830	return ($data, $av);	1099	($data, $av)
831	}	1100	}
		1101
		1102	=head2 COMMAND CALLBACKS
		1103
		1104	=over 4
		1105
		1106	=cut
832		1107
833	#############################################################################	1108	#############################################################################
834	# command handling &c	1109	# command handling &c
835		1110
836	=item cf::register_command $name => \&callback($ob,$args);	1111	=item cf::register_command $name => \&callback($ob,$args);
…		…
849	push @{ $COMMAND{$name} }, [$caller, $cb];	1124	push @{ $COMMAND{$name} }, [$caller, $cb];
850	}	1125	}
851		1126
852	=item cf::register_extcmd $name => \&callback($pl,$packet);	1127	=item cf::register_extcmd $name => \&callback($pl,$packet);
853		1128
854	Register a callbackf ro execution when the client sends an extcmd packet.	1129	Register a callback for execution when the client sends an (synchronous)
		1130	extcmd packet. Ext commands will be processed in the order they are
		1131	received by the server, like other user commands. The first argument is
		1132	the logged-in player. Ext commands can only be processed after a player
		1133	has logged in successfully.
855		1134
856	If the callback returns something, it is sent back as if reply was being	1135	If the callback returns something, it is sent back as if reply was being
857	called.	1136	called.
858		1137
		1138	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1139
		1140	Register a callback for execution when the client sends an (asynchronous)
		1141	exticmd packet. Exti commands are processed by the server as soon as they
		1142	are received, i.e. out of order w.r.t. other commands. The first argument
		1143	is a client socket. Exti commands can be received anytime, even before
		1144	log-in.
		1145
		1146	If the callback returns something, it is sent back as if reply was being
		1147	called.
		1148
859	=cut	1149	=cut
860		1150
861	sub register_extcmd {	1151	sub register_extcmd {
862	my ($name, $cb) = @_;	1152	my ($name, $cb) = @_;
863		1153
864	$EXTCMD{$name} = $cb;	1154	$EXTCMD{$name} = $cb;
		1155	}
		1156
		1157	sub register_exticmd {
		1158	my ($name, $cb) = @_;
		1159
		1160	$EXTICMD{$name} = $cb;
865	}	1161	}
866		1162
867	cf::player->attach (	1163	cf::player->attach (
868	on_command => sub {	1164	on_command => sub {
869	my ($pl, $name, $params) = @_;	1165	my ($pl, $name, $params) = @_;
…		…
878	cf::override;	1174	cf::override;
879	},	1175	},
880	on_extcmd => sub {	1176	on_extcmd => sub {
881	my ($pl, $buf) = @_;	1177	my ($pl, $buf) = @_;
882		1178
883	my $msg = eval { from_json $buf };	1179	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
884		1180
885	if (ref $msg) {	1181	if (ref $msg) {
		1182	my ($type, $reply, @payload) =
		1183	"ARRAY" eq ref $msg
		1184	? @$msg
		1185	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1186
		1187	my @reply;
		1188
886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1189	if (my $cb = $EXTCMD{$type}) {
887	if (my %reply = $cb->($pl, $msg)) {	1190	@reply = $cb->($pl, @payload);
888	$pl->ext_reply ($msg->{msgid}, %reply);
889	}
890	}	1191	}
		1192
		1193	$pl->ext_reply ($reply, @reply)
		1194	if $reply;
		1195
891	} else {	1196	} else {
892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1197	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
893	}	1198	}
894		1199
895	cf::override;	1200	cf::override;
896	},	1201	},
897	);	1202	);
898		1203
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 {	1204	sub load_extensions {
		1205	cf::sync_job {
		1206	my %todo;
		1207
934	for my $ext (<$LIBDIR/*.ext>) {	1208	for my $path (<$LIBDIR/*.ext>) {
935	next unless -r $ext;	1209	next unless -r $path;
936	eval {	1210
937	load_extension $ext;	1211	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1212	my $base = $1;
		1213	my $pkg = $1;
		1214	$pkg =~ s/[^[:word:]]/_/g;
		1215	$pkg = "ext::$pkg";
		1216
		1217	open my $fh, "<:utf8", $path
		1218	or die "$path: $!";
		1219
		1220	my $source = do { local $/; <$fh> };
		1221
		1222	my %ext = (
		1223	path => $path,
		1224	base => $base,
		1225	pkg => $pkg,
		1226	);
		1227
		1228	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1229	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1230
		1231	$ext{source} =
		1232	"package $pkg; use strict; use utf8;\n"
		1233	. "#line 1 \"$path\"\n{\n"
		1234	. $source
		1235	. "\n};\n1";
		1236
		1237	$todo{$base} = \%ext;
		1238	}
		1239
		1240	my %done;
		1241	while (%todo) {
		1242	my $progress;
		1243
		1244	while (my ($k, $v) = each %todo) {
		1245	for (split /,\s*/, $v->{meta}{depends}) {
		1246	goto skip
		1247	unless exists $done{$_};
		1248	}
		1249
		1250	warn "... loading '$k' into '$v->{pkg}'\n";
		1251
		1252	unless (eval $v->{source}) {
		1253	my $msg = $@ ? "$v->{path}: $@\n"
		1254	: "$v->{base}: extension inactive.\n";
		1255
		1256	if (exists $v->{meta}{mandatory}) {
		1257	warn $msg;
		1258	warn "mandatory extension failed to load, exiting.\n";
		1259	exit 1;
		1260	}
		1261
		1262	warn $msg;
		1263	}
		1264
		1265	$done{$k} = delete $todo{$k};
		1266	push @EXTS, $v->{pkg};
		1267	$progress = 1;
938	1	1268	}
939	} or warn "$ext not loaded: $@";	1269
		1270	skip:
		1271	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1272	unless $progress;
		1273	}
940	}	1274	};
941	}	1275	}
942		1276
943	#############################################################################	1277	#############################################################################
944		1278
		1279	=back
		1280
945	=head2 CORE EXTENSIONS	1281	=head2 CORE EXTENSIONS
946		1282
947	Functions and methods that extend core crossfire objects.	1283	Functions and methods that extend core crossfire objects.
948		1284
949	=cut	1285	=cut
…		…
954		1290
955	=head3 cf::player	1291	=head3 cf::player
956		1292
957	=over 4	1293	=over 4
958		1294
		1295	=item cf::player::num_playing
		1296
		1297	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1298
		1299	=cut
		1300
		1301	sub num_playing {
		1302	scalar grep
		1303	$_->ob->map
		1304	&& !$_->hidden
		1305	&& !$_->ob->flag (cf::FLAG_WIZ),
		1306	cf::player::list
		1307	}
		1308
959	=item cf::player::find $login	1309	=item cf::player::find $login
960		1310
961	Returns the given player object, loading it if necessary (might block).	1311	Returns the given player object, loading it if necessary (might block).
962		1312
963	=cut	1313	=cut
964		1314
965	sub playerdir($) {	1315	sub playerdir($) {
966	cf::localdir	1316	"$PLAYERDIR/"
967	. "/"
968	. cf::playerdir
969	. "/"
970	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1317	. (ref $_[0] ? $_[0]->ob->name : $_[0])
971	}	1318	}
972		1319
973	sub path($) {	1320	sub path($) {
974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1321	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975		1322
976	(playerdir $login) . "/$login.pl"	1323	(playerdir $login) . "/playerdata"
977	}	1324	}
978		1325
979	sub find_active($) {	1326	sub find_active($) {
980	$cf::PLAYER{$_[0]}	1327	$cf::PLAYER{$_[0]}
981	and $cf::PLAYER{$_[0]}->active	1328	and $cf::PLAYER{$_[0]}->active
…		…
994	my $login = $_[0];	1341	my $login = $_[0];
995		1342
996	my $guard = cf::lock_acquire "user_find:$login";	1343	my $guard = cf::lock_acquire "user_find:$login";
997		1344
998	$cf::PLAYER{$_[0]} || do {	1345	$cf::PLAYER{$_[0]} || do {
999	my $pl = load_pl path $login	1346	# rename old playerfiles to new ones
		1347	#TODO: remove when no longer required
		1348	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1349	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1350	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1351	aio_unlink +(playerdir $login) . "/$login.pl";
		1352
		1353	my $f = new_from_file cf::object::thawer path $login
1000	or return;	1354	or return;
		1355
		1356	my $pl = cf::player::load_pl $f
		1357	or return;
		1358	local $cf::PLAYER_LOADING{$login} = $pl;
		1359	$f->resolve_delayed_derefs;
1001	$cf::PLAYER{$login} = $pl	1360	$cf::PLAYER{$login} = $pl
1002	}	1361	}
1003	}	1362	}
1004	}	1363	}
1005		1364
…		…
1015		1374
1016	aio_mkdir playerdir $pl, 0770;	1375	aio_mkdir playerdir $pl, 0770;
1017	$pl->{last_save} = $cf::RUNTIME;	1376	$pl->{last_save} = $cf::RUNTIME;
1018		1377
1019	$pl->save_pl ($path);	1378	$pl->save_pl ($path);
1020	Coro::cede;	1379	cf::cede_to_tick;
1021	}	1380	}
1022		1381
1023	sub new($) {	1382	sub new($) {
1024	my ($login) = @_;	1383	my ($login) = @_;
1025		1384
…		…
1031	$cf::PLAYER{$login} = $self;	1390	$cf::PLAYER{$login} = $self;
1032		1391
1033	$self	1392	$self
1034	}	1393	}
1035		1394
		1395	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1396
		1397	=cut
		1398
		1399	sub send_msg {
		1400	my $ns = shift->ns
		1401	or return;
		1402	$ns->send_msg (@_);
		1403	}
		1404
1036	=item $pl->quit_character	1405	=item $pl->quit_character
1037		1406
1038	Nukes the player without looking back. If logged in, the connection will	1407	Nukes the player without looking back. If logged in, the connection will
1039	be destroyed. May block for a long time.	1408	be destroyed. May block for a long time.
1040		1409
1041	=cut	1410	=cut
1042		1411
1043	sub quit_character {	1412	sub quit_character {
1044	my ($pl) = @_;	1413	my ($pl) = @_;
		1414
		1415	my $name = $pl->ob->name;
1045		1416
1046	$pl->{deny_save} = 1;	1417	$pl->{deny_save} = 1;
1047	$pl->password ("*"); # this should lock out the player until we nuked the dir	1418	$pl->password ("*"); # this should lock out the player until we nuked the dir
1048		1419
1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1420	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1054	my $path = playerdir $pl;	1425	my $path = playerdir $pl;
1055	my $temp = "$path~$cf::RUNTIME~deleting~";	1426	my $temp = "$path~$cf::RUNTIME~deleting~";
1056	aio_rename $path, $temp;	1427	aio_rename $path, $temp;
1057	delete $cf::PLAYER{$pl->ob->name};	1428	delete $cf::PLAYER{$pl->ob->name};
1058	$pl->destroy;	1429	$pl->destroy;
		1430
		1431	my $prefix = qr<^~\Q$name\E/>;
		1432
		1433	# nuke player maps
		1434	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1435
1059	IO::AIO::aio_rmtree $temp;	1436	IO::AIO::aio_rmtree $temp;
		1437	}
		1438
		1439	=item $pl->kick
		1440
		1441	Kicks a player out of the game. This destroys the connection.
		1442
		1443	=cut
		1444
		1445	sub kick {
		1446	my ($pl, $kicker) = @_;
		1447
		1448	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1449	$pl->killer ("kicked");
		1450	$pl->ns->destroy;
1060	}	1451	}
1061		1452
1062	=item cf::player::list_logins	1453	=item cf::player::list_logins
1063		1454
1064	Returns am arrayref of all valid playernames in the system, can take a	1455	Returns am arrayref of all valid playernames in the system, can take a
1065	while and may block, so not sync_job-capable, ever.	1456	while and may block, so not sync_job-capable, ever.
1066		1457
1067	=cut	1458	=cut
1068		1459
1069	sub list_logins {	1460	sub list_logins {
1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1461	my $dirs = aio_readdir $PLAYERDIR
1071	or return [];	1462	or return [];
1072		1463
1073	my @logins;	1464	my @logins;
1074		1465
1075	for my $login (@$dirs) {	1466	for my $login (@$dirs) {
		1467	my $path = path $login;
		1468
		1469	# a .pst is a dead give-away for a valid player
		1470	unless (-e "$path.pst") {
1076	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1471	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1077	aio_read $fh, 0, 512, my $buf, 0 or next;	1472	aio_read $fh, 0, 512, my $buf, 0 or next;
1078	$buf !~ /^password -------------$/m or next; # official not-valid tag	1473	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1474	}
1079		1475
1080	utf8::decode $login;	1476	utf8::decode $login;
1081	push @logins, $login;	1477	push @logins, $login;
1082	}	1478	}
1083		1479
…		…
1110	}	1506	}
1111		1507
1112	\@paths	1508	\@paths
1113	}	1509	}
1114		1510
		1511	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1512
		1513	Expand crossfire pod fragments into protocol xml.
		1514
		1515	=cut
		1516
		1517	sub expand_cfpod {
		1518	((my $self), (local $_)) = @_;
		1519
		1520	# escape & and <
		1521	s/&/&amp;/g;
		1522	s/(?<![BIUGHT])</&lt;/g;
		1523
		1524	# this is buggy, it needs to properly take care of nested <'s
		1525
		1526	1 while
		1527	# replace B<>, I<>, U<> etc.
		1528	s/B<([^\>]*)>/<b>$1<\/b>/
		1529	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1530	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1531	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1532	# replace G<male|female> tags
		1533	|| s{G<([^>|]*)\|([^>]*)>}{
		1534	$self->gender ? $2 : $1
		1535	}ge
		1536	# replace H<hint text>
		1537	|| s{H<([^\>]*)>}
		1538	{
		1539	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1540	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1541	"")
		1542	[$self->{hintmode}]
		1543	}ge;
		1544
		1545	# create single paragraphs (very hackish)
		1546	s/(?<=\S)\n(?=\w)/ /g;
		1547
		1548	# compress some whitespace
		1549	s/\s+\n/\n/g; # ws line-ends
		1550	s/\n\n+/\n/g; # double lines
		1551	s/^\n+//; # beginning lines
		1552	s/\n+$//; # ending lines
		1553
		1554	$_
		1555	}
		1556
		1557	sub hintmode {
		1558	$_[0]{hintmode} = $_[1] if @_ > 1;
		1559	$_[0]{hintmode}
		1560	}
		1561
1115	=item $player->ext_reply ($msgid, $msgtype, %msg)	1562	=item $player->ext_reply ($msgid, @msg)
1116		1563
1117	Sends an ext reply to the player.	1564	Sends an ext reply to the player.
1118		1565
1119	=cut	1566	=cut
1120		1567
1121	sub ext_reply($$$%) {	1568	sub ext_reply($$@) {
1122	my ($self, $id, %msg) = @_;	1569	my ($self, $id, @msg) = @_;
1123		1570
1124	$msg{msgid} = $id;	1571	$self->ns->ext_reply ($id, @msg)
1125
1126	$self->send ("ext " . cf::to_json \%msg);
1127	}	1572	}
1128		1573
1129	package cf;	1574	=item $player->ext_msg ($type, @msg)
		1575
		1576	Sends an ext event to the client.
		1577
		1578	=cut
		1579
		1580	sub ext_msg($$@) {
		1581	my ($self, $type, @msg) = @_;
		1582
		1583	$self->ns->ext_msg ($type, @msg);
		1584	}
		1585
		1586	=head3 cf::region
		1587
		1588	=over 4
		1589
		1590	=cut
		1591
		1592	package cf::region;
		1593
		1594	=item cf::region::find_by_path $path
		1595
		1596	Tries to decuce the likely region for a map knowing only its path.
		1597
		1598	=cut
		1599
		1600	sub find_by_path($) {
		1601	my ($path) = @_;
		1602
		1603	my ($match, $specificity);
		1604
		1605	for my $region (list) {
		1606	if ($region->{match} && $path =~ $region->{match}) {
		1607	($match, $specificity) = ($region, $region->specificity)
		1608	if $region->specificity > $specificity;
		1609	}
		1610	}
		1611
		1612	$match
		1613	}
1130		1614
1131	=back	1615	=back
1132
1133		1616
1134	=head3 cf::map	1617	=head3 cf::map
1135		1618
1136	=over 4	1619	=over 4
1137		1620
…		…
1192	my ($self, $merge) = @_;	1675	my ($self, $merge) = @_;
1193		1676
1194	# we have to keep some variables in memory intact	1677	# we have to keep some variables in memory intact
1195	local $self->{path};	1678	local $self->{path};
1196	local $self->{load_path};	1679	local $self->{load_path};
1197	local $self->{deny_save};
1198	local $self->{deny_reset};
1199		1680
1200	$self->SUPER::thawer_merge ($merge);	1681	$self->SUPER::thawer_merge ($merge);
1201	}	1682	}
1202		1683
1203	sub normalise {	1684	sub normalise {
…		…
1250	$self->init; # pass $1 etc.	1731	$self->init; # pass $1 etc.
1251	return $self;	1732	return $self;
1252	}	1733	}
1253	}	1734	}
1254		1735
1255	Carp::carp "unable to resolve path '$path' (base '$base').";	1736	Carp::cluck "unable to resolve path '$path' (base '$base').";
1256	()	1737	()
1257	}	1738	}
1258		1739
1259	sub init {	1740	sub init {
1260	my ($self) = @_;	1741	my ($self) = @_;
…		…
1275		1756
1276	# the original (read-only) location	1757	# the original (read-only) location
1277	sub load_path {	1758	sub load_path {
1278	my ($self) = @_;	1759	my ($self) = @_;
1279		1760
1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1761	"$MAPDIR/$self->{path}.map"
1281	}	1762	}
1282		1763
1283	# the temporary/swap location	1764	# the temporary/swap location
1284	sub save_path {	1765	sub save_path {
1285	my ($self) = @_;	1766	my ($self) = @_;
1286		1767
1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1768	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1769	"$TMPDIR/$path.map"
1289	}	1770	}
1290		1771
1291	# the unique path, undef == no special unique path	1772	# the unique path, undef == no special unique path
1292	sub uniq_path {	1773	sub uniq_path {
1293	my ($self) = @_;	1774	my ($self) = @_;
1294		1775
1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1776	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1777	"$UNIQUEDIR/$path"
1297	}	1778	}
1298		1779
1299	# and all this just because we cannot iterate over	1780	# and all this just because we cannot iterate over
1300	# all maps in C++...	1781	# all maps in C++...
1301	sub change_all_map_light {	1782	sub change_all_map_light {
…		…
1303		1784
1304	$_->change_map_light ($change)	1785	$_->change_map_light ($change)
1305	for grep $_->outdoor, values %cf::MAP;	1786	for grep $_->outdoor, values %cf::MAP;
1306	}	1787	}
1307		1788
		1789	sub decay_objects {
		1790	my ($self) = @_;
		1791
		1792	return if $self->{deny_reset};
		1793
		1794	$self->do_decay_objects;
		1795	}
		1796
1308	sub unlink_save {	1797	sub unlink_save {
1309	my ($self) = @_;	1798	my ($self) = @_;
1310		1799
1311	utf8::encode (my $save = $self->save_path);	1800	utf8::encode (my $save = $self->save_path);
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1801	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1802	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	}	1803	}
1320		1804
1321	sub load_header_from($) {	1805	sub load_header_from($) {
1322	my ($self, $path) = @_;	1806	my ($self, $path) = @_;
1323		1807
1324	utf8::encode $path;	1808	utf8::encode $path;
1325	#aio_open $path, O_RDONLY, 0	1809	my $f = new_from_file cf::object::thawer $path
1326	# or return;
1327
1328	$self->_load_header ($path)
1329	or return;	1810	or return;
		1811
		1812	$self->_load_header ($f)
		1813	or return;
		1814
		1815	local $MAP_LOADING{$self->{path}} = $self;
		1816	$f->resolve_delayed_derefs;
1330		1817
1331	$self->{load_path} = $path;	1818	$self->{load_path} = $path;
1332		1819
1333	1	1820	1
1334	}	1821	}
…		…
1373	$self->load_header_orig	1860	$self->load_header_orig
1374	or return;	1861	or return;
1375	$self->prepare_orig;	1862	$self->prepare_orig;
1376	}	1863	}
1377		1864
		1865	$self->{deny_reset} = 1
		1866	if $self->no_reset;
		1867
		1868	$self->default_region (cf::region::find_by_path $self->{path})
		1869	unless $self->default_region;
		1870
1378	1	1871	1
1379	}	1872	}
1380		1873
1381	sub find;	1874	sub find;
1382	sub find {	1875	sub find {
1383	my ($path, $origin) = @_;	1876	my ($path, $origin) = @_;
1384		1877
1385	$path = normalise $path, $origin && $origin->path;	1878	$path = normalise $path, $origin && $origin->path;
1386		1879
		1880	cf::lock_wait "map_data:$path";#d#remove
1387	cf::lock_wait "map_find:$path";	1881	cf::lock_wait "map_find:$path";
1388		1882
1389	$cf::MAP{$path} || do {	1883	$cf::MAP{$path} || do {
1390	my $guard = cf::lock_acquire "map_find:$path";	1884	my $guard1 = cf::lock_acquire "map_find:$path";
		1885	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1886
1391	my $map = new_from_path cf::map $path	1887	my $map = new_from_path cf::map $path
1392	or return;	1888	or return;
1393		1889
1394	$map->{last_save} = $cf::RUNTIME;	1890	$map->{last_save} = $cf::RUNTIME;
1395		1891
1396	$map->load_header	1892	$map->load_header
1397	or return;	1893	or return;
1398		1894
1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1895	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400	# doing this can freeze the server in a sync job, obviously	1896	# doing this can freeze the server in a sync job, obviously
1401	#$cf::WAIT_FOR_TICK->wait;	1897	#$cf::WAIT_FOR_TICK->wait;
		1898	undef $guard1;
		1899	undef $guard2;
1402	$map->reset;	1900	$map->reset;
1403	undef $guard;
1404	return find $path;	1901	return find $path;
1405	}	1902	}
1406		1903
1407	$cf::MAP{$path} = $map	1904	$cf::MAP{$path} = $map
1408	}	1905	}
…		…
1415	my ($self) = @_;	1912	my ($self) = @_;
1416		1913
1417	local $self->{deny_reset} = 1; # loading can take a long time	1914	local $self->{deny_reset} = 1; # loading can take a long time
1418		1915
1419	my $path = $self->{path};	1916	my $path = $self->{path};
		1917
		1918	{
1420	my $guard = cf::lock_acquire "map_load:$path";	1919	my $guard = cf::lock_acquire "map_data:$path";
1421		1920
		1921	return unless $self->valid;
1422	return if $self->in_memory != cf::MAP_SWAPPED;	1922	return unless $self->in_memory == cf::MAP_SWAPPED;
1423		1923
1424	$self->in_memory (cf::MAP_LOADING);	1924	$self->in_memory (cf::MAP_LOADING);
1425		1925
1426	$self->alloc;	1926	$self->alloc;
1427		1927
1428	$self->pre_load;	1928	$self->pre_load;
		1929	cf::cede_to_tick;
1429		1930
1430	$self->_load_objects ($self->{load_path}, 1)	1931	my $f = new_from_file cf::object::thawer $self->{load_path};
		1932	$f->skip_block;
		1933	$self->_load_objects ($f)
1431	or return;	1934	or return;
1432		1935
1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1936	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1434	if delete $self->{load_original};	1937	if delete $self->{load_original};
1435		1938
1436	if (my $uniq = $self->uniq_path) {	1939	if (my $uniq = $self->uniq_path) {
1437	utf8::encode $uniq;	1940	utf8::encode $uniq;
1438	if (aio_open $uniq, O_RDONLY, 0) {	1941	unless (aio_stat $uniq) {
		1942	if (my $f = new_from_file cf::object::thawer $uniq) {
1439	$self->clear_unique_items;	1943	$self->clear_unique_items;
1440	$self->_load_objects ($uniq, 0);	1944	$self->_load_objects ($f);
		1945	$f->resolve_delayed_derefs;
		1946	}
1441	}	1947	}
1442	}	1948	}
1443		1949
1444	Coro::cede;	1950	$f->resolve_delayed_derefs;
1445		1951
		1952	cf::cede_to_tick;
1446	# now do the right thing for maps	1953	# now do the right thing for maps
1447	$self->link_multipart_objects;	1954	$self->link_multipart_objects;
1448
1449	unless ($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)	1955	$self->difficulty ($self->estimate_difficulty)
1456	unless $self->difficulty;	1956	unless $self->difficulty;
1457	Coro::cede;	1957	cf::cede_to_tick;
		1958
		1959	unless ($self->{deny_activate}) {
		1960	$self->decay_objects;
		1961	$self->fix_auto_apply;
		1962	$self->update_buttons;
		1963	cf::cede_to_tick;
		1964	$self->set_darkness_map;
		1965	cf::cede_to_tick;
1458	$self->activate;	1966	$self->activate;
		1967	}
		1968
		1969	$self->{last_save} = $cf::RUNTIME;
		1970	$self->last_access ($cf::RUNTIME);
		1971
		1972	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	1973	}
1460		1974
1461	$self->post_load;	1975	$self->post_load;
1462
1463	$self->in_memory (cf::MAP_IN_MEMORY);
1464	}	1976	}
1465		1977
1466	sub customise_for {	1978	sub customise_for {
1467	my ($self, $ob) = @_;	1979	my ($self, $ob) = @_;
1468		1980
1469	return find "~" . $ob->name . "/" . $self->{path}	1981	return find "~" . $ob->name . "/" . $self->{path}
1470	if $self->per_player;	1982	if $self->per_player;
1471		1983
		1984	# return find "?party/" . $ob->name . "/" . $self->{path}
		1985	# if $self->per_party;
		1986
1472	$self	1987	$self
1473	}	1988	}
1474		1989
1475	# find and load all maps in the 3x3 area around a map	1990	# find and load all maps in the 3x3 area around a map
1476	sub load_diag {	1991	sub load_neighbours {
1477	my ($map) = @_;	1992	my ($map) = @_;
1478		1993
1479	my @diag; # diagonal neighbours	1994	my @neigh; # diagonal neighbours
1480		1995
1481	for (0 .. 3) {	1996	for (0 .. 3) {
1482	my $neigh = $map->tile_path ($_)	1997	my $neigh = $map->tile_path ($_)
1483	or next;	1998	or next;
1484	$neigh = find $neigh, $map	1999	$neigh = find $neigh, $map
1485	or next;	2000	or next;
1486	$neigh->load;	2001	$neigh->load;
1487		2002
		2003	push @neigh,
1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2004	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2005	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1490	}	2006	}
1491		2007
1492	for (@diag) {	2008	for (grep defined $_->[0], @neigh) {
		2009	my ($path, $origin) = @$_;
1493	my $neigh = find @$_	2010	my $neigh = find $path, $origin
1494	or next;	2011	or next;
1495	$neigh->load;	2012	$neigh->load;
1496	}	2013	}
1497	}	2014	}
1498		2015
…		…
1503	}	2020	}
1504		2021
1505	sub do_load_sync {	2022	sub do_load_sync {
1506	my ($map) = @_;	2023	my ($map) = @_;
1507		2024
		2025	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2026	if $Coro::current == $Coro::main;
		2027
1508	cf::sync_job { $map->load };	2028	cf::sync_job { $map->load };
1509	}	2029	}
1510		2030
1511	our %MAP_PREFETCH;	2031	our %MAP_PREFETCH;
1512	our $MAP_PREFETCHER = undef;	2032	our $MAP_PREFETCHER = undef;
1513		2033
1514	sub find_async {	2034	sub find_async {
1515	my ($path, $origin) = @_;	2035	my ($path, $origin, $load) = @_;
1516		2036
1517	$path = normalise $path, $origin && $origin->{path};	2037	$path = normalise $path, $origin && $origin->{path};
1518		2038
1519	if (my $map = $cf::MAP{$path}) {	2039	if (my $map = $cf::MAP{$path}) {
1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2040	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1521	}	2041	}
1522		2042
1523	undef $MAP_PREFETCH{$path};	2043	$MAP_PREFETCH{$path} |= $load;
		2044
1524	$MAP_PREFETCHER ||= cf::async {	2045	$MAP_PREFETCHER ||= cf::async {
		2046	$Coro::current->{desc} = "map prefetcher";
		2047
1525	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1526	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1527	my $map = find $path	2050	if (my $map = find $k) {
1528	or next;
1529	$map->load;	2051	$map->load if $v;
		2052	}
1530		2053
1531	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1532	}	2055	}
1533	}	2056	}
1534	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1535	};	2058	};
1536	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1539	}	2062	}
1540		2063
1541	sub save {	2064	sub save {
1542	my ($self) = @_;	2065	my ($self) = @_;
1543		2066
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1545		2068
1546	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1547		2070
1548	return unless $self->dirty;	2071	return unless $self->dirty;
1549		2072
…		…
1555	return if $self->{deny_save};	2078	return if $self->{deny_save};
1556		2079
1557	local $self->{last_access} = $self->last_access;#d#	2080	local $self->{last_access} = $self->last_access;#d#
1558		2081
1559	cf::async {	2082	cf::async {
		2083	$Coro::current->{desc} = "map player save";
1560	$_->contr->save for $self->players;	2084	$_->contr->save for $self->players;
1561	};	2085	};
1562		2086
1563	if ($uniq) {	2087	if ($uniq) {
1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2088	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1572	my ($self) = @_;	2096	my ($self) = @_;
1573		2097
1574	# save first because save cedes	2098	# save first because save cedes
1575	$self->save;	2099	$self->save;
1576		2100
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2101	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2102
1579	return if $self->players;	2103	return if $self->players;
1580	return if $self->in_memory != cf::MAP_IN_MEMORY;	2104	return if $self->in_memory != cf::MAP_IN_MEMORY;
1581	return if $self->{deny_save};	2105	return if $self->{deny_save};
1582		2106
		2107	$self->in_memory (cf::MAP_SWAPPED);
		2108
		2109	$self->deactivate;
		2110	$_->clear_links_to ($self) for values %cf::MAP;
1583	$self->clear;	2111	$self->clear;
1584	$self->in_memory (cf::MAP_SWAPPED);
1585	}	2112	}
1586		2113
1587	sub reset_at {	2114	sub reset_at {
1588	my ($self) = @_;	2115	my ($self) = @_;
1589		2116
1590	# TODO: safety, remove and allow resettable per-player maps	2117	# 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};	2118	return 1e99 if $self->{deny_reset};
1593		2119
1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2120	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2121	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1596		2122
…		…
1607	my ($self) = @_;	2133	my ($self) = @_;
1608		2134
1609	my $lock = cf::lock_acquire "map_data:$self->{path}";	2135	my $lock = cf::lock_acquire "map_data:$self->{path}";
1610		2136
1611	return if $self->players;	2137	return if $self->players;
1612	return if $self->isa ("ext::map_per_player");#d#
1613		2138
1614	warn "resetting map ", $self->path;#d#	2139	warn "resetting map ", $self->path;
1615		2140
1616	$self->in_memory (cf::MAP_SWAPPED);	2141	$self->in_memory (cf::MAP_SWAPPED);
1617		2142
1618	# need to save uniques path	2143	# need to save uniques path
1619	unless ($self->{deny_save}) {	2144	unless ($self->{deny_save}) {
…		…
1623	if $uniq;	2148	if $uniq;
1624	}	2149	}
1625		2150
1626	delete $cf::MAP{$self->path};	2151	delete $cf::MAP{$self->path};
1627		2152
		2153	$self->deactivate;
		2154	$_->clear_links_to ($self) for values %cf::MAP;
1628	$self->clear;	2155	$self->clear;
1629
1630	$_->clear_links_to ($self) for values %cf::MAP;
1631		2156
1632	$self->unlink_save;	2157	$self->unlink_save;
1633	$self->destroy;	2158	$self->destroy;
1634	}	2159	}
1635		2160
1636	my $nuke_counter = "aaaa";	2161	my $nuke_counter = "aaaa";
1637		2162
1638	sub nuke {	2163	sub nuke {
1639	my ($self) = @_;	2164	my ($self) = @_;
1640		2165
		2166	{
		2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2168
1641	delete $cf::MAP{$self->path};	2169	delete $cf::MAP{$self->path};
1642		2170
1643	$self->unlink_save;	2171	$self->unlink_save;
1644		2172
1645	bless $self, "cf::map";	2173	bless $self, "cf::map";
1646	delete $self->{deny_reset};	2174	delete $self->{deny_reset};
1647	$self->{deny_save} = 1;	2175	$self->{deny_save} = 1;
1648	$self->reset_timeout (1);	2176	$self->reset_timeout (1);
1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2177	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1650		2178
1651	$cf::MAP{$self->path} = $self;	2179	$cf::MAP{$self->path} = $self;
		2180	}
1652		2181
1653	$self->reset; # polite request, might not happen	2182	$self->reset; # polite request, might not happen
		2183	}
		2184
		2185	=item $maps = cf::map::tmp_maps
		2186
		2187	Returns an arrayref with all map paths of currently instantiated and saved
		2188	maps. May block.
		2189
		2190	=cut
		2191
		2192	sub tmp_maps() {
		2193	[
		2194	map {
		2195	utf8::decode $_;
		2196	/\.map$/
		2197	? normalise $_
		2198	: ()
		2199	} @{ aio_readdir $TMPDIR or [] }
		2200	]
		2201	}
		2202
		2203	=item $maps = cf::map::random_maps
		2204
		2205	Returns an arrayref with all map paths of currently instantiated and saved
		2206	random maps. May block.
		2207
		2208	=cut
		2209
		2210	sub random_maps() {
		2211	[
		2212	map {
		2213	utf8::decode $_;
		2214	/\.map$/
		2215	? normalise "?random/$_"
		2216	: ()
		2217	} @{ aio_readdir $RANDOMDIR or [] }
		2218	]
1654	}	2219	}
1655		2220
1656	=item cf::map::unique_maps	2221	=item cf::map::unique_maps
1657		2222
1658	Returns an arrayref of paths of all shared maps that have	2223	Returns an arrayref of paths of all shared maps that have
1659	instantiated unique items. May block.	2224	instantiated unique items. May block.
1660		2225
1661	=cut	2226	=cut
1662		2227
1663	sub unique_maps() {	2228	sub unique_maps() {
1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2229	[
1665	or return;	2230	map {
1666
1667	my @paths;
1668
1669	for (@$files) {
1670	utf8::decode $_;	2231	utf8::decode $_;
1671	next if /\.pst$/;	2232	/\.map$/
1672	next unless /^$PATH_SEP/o;	2233	? normalise $_
1673		2234	: ()
1674	push @paths, cf::map::normalise $_;	2235	} @{ aio_readdir $UNIQUEDIR or [] }
1675	}	2236	]
1676
1677	\@paths
1678	}	2237	}
1679		2238
1680	package cf;	2239	package cf;
1681		2240
1682	=back	2241	=back
…		…
1700	map { $_, inv_recursive_ $_->inv } @_	2259	map { $_, inv_recursive_ $_->inv } @_
1701	}	2260	}
1702		2261
1703	sub inv_recursive {	2262	sub inv_recursive {
1704	inv_recursive_ inv $_[0]	2263	inv_recursive_ inv $_[0]
		2264	}
		2265
		2266	=item $ref = $ob->ref
		2267
		2268	creates and returns a persistent reference to an objetc that can be stored as a string.
		2269
		2270	=item $ob = cf::object::deref ($refstring)
		2271
		2272	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2273	even if the object actually exists. May block.
		2274
		2275	=cut
		2276
		2277	sub deref {
		2278	my ($ref) = @_;
		2279
		2280	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2281	my ($uuid, $name) = ($1, $2);
		2282	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2283	or return;
		2284	$pl->ob->uuid eq $uuid
		2285	or return;
		2286
		2287	$pl->ob
		2288	} else {
		2289	warn "$ref: cannot resolve object reference\n";
		2290	undef
		2291	}
1705	}	2292	}
1706		2293
1707	package cf;	2294	package cf;
1708		2295
1709	=back	2296	=back
…		…
1728		2315
1729	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2316	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730		2317
1731	if ($self->{record_replies}) {	2318	if ($self->{record_replies}) {
1732	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2319	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2320
1733	} else {	2321	} else {
		2322	my $pl = $self->contr;
		2323
		2324	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2325	my $dialog = $pl->{npc_dialog};
		2326	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2327
		2328	} else {
1734	$msg = $npc->name . " says: $msg" if $npc;	2329	$msg = $npc->name . " says: $msg" if $npc;
1735	$self->message ($msg, $flags);	2330	$self->message ($msg, $flags);
		2331	}
1736	}	2332	}
		2333	}
		2334
		2335	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2336
		2337	=cut
		2338
		2339	sub cf::object::send_msg {
		2340	my $pl = shift->contr
		2341	or return;
		2342	$pl->send_msg (@_);
1737	}	2343	}
1738		2344
1739	=item $player_object->may ("access")	2345	=item $player_object->may ("access")
1740		2346
1741	Returns wether the given player is authorized to access resource "access"	2347	Returns wether the given player is authorized to access resource "access"
…		…
1788	$self->deactivate_recursive;	2394	$self->deactivate_recursive;
1789		2395
1790	return if UNIVERSAL::isa $self->map, "ext::map_link";	2396	return if UNIVERSAL::isa $self->map, "ext::map_link";
1791		2397
1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2398	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793	if $self->map;	2399	if $self->map && $self->map->{path} ne "{link}";
1794		2400
1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2401	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1796	}	2402	}
1797		2403
1798	sub cf::object::player::leave_link {	2404	sub cf::object::player::leave_link {
1799	my ($self, $map, $x, $y) = @_;	2405	my ($self, $map, $x, $y) = @_;
		2406
		2407	return unless $self->contr->active;
1800		2408
1801	my $link_pos = delete $self->{_link_pos};	2409	my $link_pos = delete $self->{_link_pos};
1802		2410
1803	unless ($map) {	2411	unless ($map) {
1804	# restore original map position	2412	# restore original map position
…		…
1818	# use -1 or undef as default coordinates, not 0, 0	2426	# use -1 or undef as default coordinates, not 0, 0
1819	($x, $y) = ($map->enter_x, $map->enter_y)	2427	($x, $y) = ($map->enter_x, $map->enter_y)
1820	if $x <=0 && $y <= 0;	2428	if $x <=0 && $y <= 0;
1821		2429
1822	$map->load;	2430	$map->load;
1823	$map->load_diag;	2431	$map->load_neighbours;
1824		2432
1825	return unless $self->contr->active;	2433	return unless $self->contr->active;
1826	$self->activate_recursive;	2434	$self->activate_recursive;
		2435
		2436	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2437	$self->enter_map ($map, $x, $y);
1828	}	2438	}
1829		2439
1830	cf::player->attach (	2440	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2441
1834	# abort map switching before logout	2442	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2443	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2444	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2445	the new (success) or old (failed) map position. In either case, $done will
1838	};	2446	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2447
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	2448	=cut
		2449
		2450	our $GOTOGEN;
1865		2451
1866	sub cf::object::player::goto {	2452	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2453	my ($self, $path, $x, $y, $check, $done) = @_;
		2454
		2455	# do generation counting so two concurrent goto's will be executed in-order
		2456	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2457
1869	$self->enter_link;	2458	$self->enter_link;
1870		2459
1871	(async {	2460	(async {
		2461	$Coro::current->{desc} = "player::goto $path $x $y";
		2462
		2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
		2467
		2468	# see if we actually can go there
		2469	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2470	$ob = $obs[rand @obs];
		2471	} else {
		2472	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2473	}
		2474	# else put us there anyways for now #d#
		2475
		2476	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2477	} else {
		2478	($path, $x, $y) = (undef, undef, undef);
		2479	}
		2480	}
		2481
1872	my $map = eval {	2482	my $map = eval {
1873	my $map = cf::map::find $path;	2483	my $map = defined $path ? cf::map::find $path : undef;
		2484
		2485	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2486	$map = $map->customise_for ($self);
		2487	$map = $check->($map) if $check && $map;
		2488	} else {
		2489	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2490	}
		2491
1875	$map	2492	$map
		2493	};
		2494
		2495	if ($@) {
		2496	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2497	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2498	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2499
		2500	if ($gen == $self->{_goto_generation}) {
		2501	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2502	$self->leave_link ($map, $x, $y);
		2503	}
		2504
		2505	$done->() if $done;
1880	})->prio (1);	2506	})->prio (1);
1881	}	2507	}
1882		2508
1883	=item $player_object->enter_exit ($exit_object)	2509	=item $player_object->enter_exit ($exit_object)
1884		2510
…		…
1923		2549
1924	$rmp->{random_seed} ||= $exit->random_seed;	2550	$rmp->{random_seed} ||= $exit->random_seed;
1925		2551
1926	my $data = cf::to_json $rmp;	2552	my $data = cf::to_json $rmp;
1927	my $md5 = Digest::MD5::md5_hex $data;	2553	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2554	my $meta = "$RANDOMDIR/$md5.meta";
1929		2555
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2556	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2557	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2558	undef $fh;
1933	aio_rename "$meta~", $meta;	2559	aio_rename "$meta~", $meta;
…		…
1942		2568
1943	return unless $self->type == cf::PLAYER;	2569	return unless $self->type == cf::PLAYER;
1944		2570
1945	if ($exit->slaying eq "/!") {	2571	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job	2572	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2573	# the problem is that $exit might not survive long enough
		2574	# so it needs to be done right now, right here
1947	cf::sync_job { prepare_random_map $exit };	2575	cf::sync_job { prepare_random_map $exit };
1948	}	2576	}
1949		2577
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2578	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;	2579	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;	2580	my $sp = $exit->stats->sp;
1953		2581
1954	$self->enter_link;	2582	$self->enter_link;
1955		2583
		2584	# if exit is damned, update players death & WoR home-position
		2585	$self->contr->savebed ($slaying, $hp, $sp)
		2586	if $exit->flag (FLAG_DAMNED);
		2587
1956	(async {	2588	(async {
		2589	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2590
1957	$self->deactivate_recursive; # just to be sure	2591	$self->deactivate_recursive; # just to be sure
1958	unless (eval {	2592	unless (eval {
1959	$self->goto ($slaying, $hp, $sp);	2593	$self->goto ($slaying, $hp, $sp);
1960		2594
1961	1;	2595	1;
1962	}) {	2596	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2597	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "I'll try to bring you back to the map you were before. "	2598	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2599	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2600	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2601
1968	warn "ERROR in enter_exit: $@";	2602	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2603	$self->leave_link;
1970	}	2604	}
1971	})->prio (1);	2605	})->prio (1);
…		…
1984		2618
1985	sub cf::client::send_drawinfo {	2619	sub cf::client::send_drawinfo {
1986	my ($self, $text, $flags) = @_;	2620	my ($self, $text, $flags) = @_;
1987		2621
1988	utf8::encode $text;	2622	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2623	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2624	}
1991		2625
		2626	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2627
		2628	Send a drawinfo or msg packet to the client, formatting the msg for the
		2629	client if neccessary. C<$type> should be a string identifying the type of
		2630	the message, with C<log> being the default. If C<$color> is negative, suppress
		2631	the message unless the client supports the msg packet.
		2632
		2633	=cut
		2634
		2635	our %CHANNEL = (
		2636	"c/identify" => {
		2637	id => "infobox",
		2638	title => "Identify",
		2639	reply => undef,
		2640	tooltip => "Items recently identified",
		2641	},
		2642	"c/examine" => {
		2643	id => "infobox",
		2644	title => "Examine",
		2645	reply => undef,
		2646	tooltip => "Signs and other items you examined",
		2647	},
		2648	"c/lookat" => {
		2649	id => "infobox",
		2650	title => "Look",
		2651	reply => undef,
		2652	tooltip => "What you saw there",
		2653	},
		2654	);
		2655
		2656	sub cf::client::send_msg {
		2657	my ($self, $channel, $msg, $color, @extra) = @_;
		2658
		2659	$msg = $self->pl->expand_cfpod ($msg);
		2660
		2661	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2662
		2663	# check predefined channels, for the benefit of C
		2664	if ($CHANNEL{$channel}) {
		2665	$channel = $CHANNEL{$channel};
		2666
		2667	$self->ext_msg (channel_info => $channel)
		2668	if $self->can_msg;
		2669
		2670	$channel = $channel->{id};
		2671
		2672	} elsif (ref $channel) {
		2673	# send meta info to client, if not yet sent
		2674	unless (exists $self->{channel}{$channel->{id}}) {
		2675	$self->{channel}{$channel->{id}} = $channel;
		2676	$self->ext_msg (channel_info => $channel)
		2677	if $self->can_msg;
		2678	}
		2679
		2680	$channel = $channel->{id};
		2681	}
		2682
		2683	return unless @extra || length $msg;
		2684
		2685	if ($self->can_msg) {
		2686	# default colour, mask it out
		2687	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2688	if $color & cf::NDI_DEF;
		2689
		2690	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2691	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2692	} else {
		2693	if ($color >= 0) {
		2694	# replace some tags by gcfclient-compatible ones
		2695	for ($msg) {
		2696	1 while
		2697	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2698	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2699	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2700	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2701	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2702	}
		2703
		2704	$color &= cf::NDI_COLOR_MASK;
		2705
		2706	utf8::encode $msg;
		2707
		2708	if (0 && $msg =~ /\[/) {
		2709	# COMMAND/INFO
		2710	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2711	} else {
		2712	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2713	$self->send_packet ("drawinfo $color $msg")
		2714	}
		2715	}
		2716	}
		2717	}
		2718
		2719	=item $client->ext_msg ($type, @msg)
		2720
		2721	Sends an ext event to the client.
		2722
		2723	=cut
		2724
		2725	sub cf::client::ext_msg($$@) {
		2726	my ($self, $type, @msg) = @_;
		2727
		2728	if ($self->extcmd == 2) {
		2729	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2730	} elsif ($self->extcmd == 1) { # TODO: remove
		2731	push @msg, msgtype => "event_$type";
		2732	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2733	}
		2734	}
		2735
		2736	=item $client->ext_reply ($msgid, @msg)
		2737
		2738	Sends an ext reply to the client.
		2739
		2740	=cut
		2741
		2742	sub cf::client::ext_reply($$@) {
		2743	my ($self, $id, @msg) = @_;
		2744
		2745	if ($self->extcmd == 2) {
		2746	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2747	} elsif ($self->extcmd == 1) {
		2748	#TODO: version 1, remove
		2749	unshift @msg, msgtype => "reply", msgid => $id;
		2750	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2751	}
		2752	}
1992		2753
1993	=item $success = $client->query ($flags, "text", \&cb)	2754	=item $success = $client->query ($flags, "text", \&cb)
1994		2755
1995	Queues a query to the client, calling the given callback with	2756	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>,	2757	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>.	2758	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2759
1999	Queries can fail, so check the return code. Or don't, as queries will become	2760	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2761	become reliable at some point in the future.
2001		2762
2002	=cut	2763	=cut
2003		2764
2004	sub cf::client::query {	2765	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2766	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2774	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2775	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2776
2016	$self->send_packet ($self->{query_queue}[0][0])	2777	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2778	if @{ $self->{query_queue} } == 1;
		2779
		2780	1
2018	}	2781	}
2019		2782
2020	cf::client->attach (	2783	cf::client->attach (
		2784	on_connect => sub {
		2785	my ($ns) = @_;
		2786
		2787	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2788	},
2021	on_reply => sub {	2789	on_reply => sub {
2022	my ($ns, $msg) = @_;	2790	my ($ns, $msg) = @_;
2023		2791
2024	# this weird shuffling is so that direct followup queries	2792	# this weird shuffling is so that direct followup queries
2025	# get handled first	2793	# get handled first
…		…
2037	} else {	2805	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2806	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2807	}
2040	}	2808	}
2041	},	2809	},
		2810	on_exticmd => sub {
		2811	my ($ns, $buf) = @_;
		2812
		2813	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2814
		2815	if (ref $msg) {
		2816	my ($type, $reply, @payload) =
		2817	"ARRAY" eq ref $msg
		2818	? @$msg
		2819	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2820
		2821	my @reply;
		2822
		2823	if (my $cb = $EXTICMD{$type}) {
		2824	@reply = $cb->($ns, @payload);
		2825	}
		2826
		2827	$ns->ext_reply ($reply, @reply)
		2828	if $reply;
		2829
		2830	} else {
		2831	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2832	}
		2833
		2834	cf::override;
		2835	},
2042	);	2836	);
2043		2837
2044	=item $client->async (\&cb)	2838	=item $client->async (\&cb)
2045		2839
2046	Create a new coroutine, running the specified callback. The coroutine will	2840	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	2881	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	2882	our $safe_hole = new Safe::Hole;
2089		2883
2090	$SIG{FPE} = 'IGNORE';	2884	$SIG{FPE} = 'IGNORE';
2091		2885
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2886	$safe->permit_only (Opcode::opset qw(
		2887	:base_core :base_mem :base_orig :base_math
		2888	grepstart grepwhile mapstart mapwhile
		2889	sort time
		2890	));
2093		2891
2094	# here we export the classes and methods available to script code	2892	# here we export the classes and methods available to script code
2095		2893
2096	=pod	2894	=pod
2097		2895
2098	The following fucntions and emthods are available within a safe environment:	2896	The following functions and methods are available within a safe environment:
2099		2897
2100	cf::object contr pay_amount pay_player map	2898	cf::object
		2899	contr pay_amount pay_player map x y force_find force_add
		2900	insert remove name archname title slaying race decrease_ob_nr
		2901
2101	cf::object::player player	2902	cf::object::player
2102	cf::player peaceful	2903	player
2103	cf::map trigger	2904
		2905	cf::player
		2906	peaceful
		2907
		2908	cf::map
		2909	trigger
2104		2910
2105	=cut	2911	=cut
2106		2912
2107	for (	2913	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	2914	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2915	insert remove inv name archname title slaying race
		2916	decrease_ob_nr)],
2109	["cf::object::player" => qw(player)],	2917	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	2918	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	2919	["cf::map" => qw(trigger)],
2112	) {	2920	) {
2113	no strict 'refs';	2921	no strict 'refs';
…		…
2184	=back	2992	=back
2185		2993
2186	=cut	2994	=cut
2187		2995
2188	#############################################################################	2996	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$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 $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	2997	# the server's init and main functions
2262		2998
2263	sub load_resources {	2999	sub load_facedata($) {
2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3000	my ($path) = @_;
		3001
		3002	# HACK to clear player env face cache, we need some signal framework
		3003	# for this (global event?)
		3004	%ext::player_env::MUSIC_FACE_CACHE = ();
		3005
		3006	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3007
		3008	warn "loading facedata from $path\n";
		3009
		3010	my $facedata;
		3011	0 < aio_load $path, $facedata
		3012	or die "$path: $!";
		3013
		3014	$facedata = Coro::Storable::thaw $facedata;
		3015
		3016	$facedata->{version} == 2
		3017	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3018
		3019	# patch in the exptable
		3020	$facedata->{resource}{"res/exp_table"} = {
		3021	type => FT_RSRC,
		3022	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3023	};
		3024	cf::cede_to_tick;
		3025
		3026	{
		3027	my $faces = $facedata->{faceinfo};
		3028
		3029	while (my ($face, $info) = each %$faces) {
		3030	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3031	cf::face::set_visibility $idx, $info->{visibility};
		3032	cf::face::set_magicmap $idx, $info->{magicmap};
		3033	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3034	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3035
		3036	cf::cede_to_tick;
		3037	}
		3038
		3039	while (my ($face, $info) = each %$faces) {
		3040	next unless $info->{smooth};
		3041	my $idx = cf::face::find $face
		3042	or next;
		3043	if (my $smooth = cf::face::find $info->{smooth}) {
		3044	cf::face::set_smooth $idx, $smooth;
		3045	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3046	} else {
		3047	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3048	}
		3049
		3050	cf::cede_to_tick;
		3051	}
		3052	}
		3053
		3054	{
		3055	my $anims = $facedata->{animinfo};
		3056
		3057	while (my ($anim, $info) = each %$anims) {
		3058	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3059	cf::cede_to_tick;
		3060	}
		3061
		3062	cf::anim::invalidate_all; # d'oh
		3063	}
		3064
		3065	{
		3066	# TODO: for gcfclient pleasure, we should give resources
		3067	# that gcfclient doesn't grok a >10000 face index.
		3068	my $res = $facedata->{resource};
		3069
		3070	my $soundconf = delete $res->{"res/sound.conf"};
		3071
		3072	while (my ($name, $info) = each %$res) {
		3073	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3074	my $data;
		3075
		3076	if ($info->{type} & 1) {
		3077	# prepend meta info
		3078
		3079	my $meta = $enc->encode ({
		3080	name => $name,
		3081	%{ $info->{meta} || {} },
		3082	});
		3083
		3084	$data = pack "(w/a*)*", $meta, $info->{data};
		3085	} else {
		3086	$data = $info->{data};
		3087	}
		3088
		3089	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3090	cf::face::set_type $idx, $info->{type};
		3091
		3092	cf::cede_to_tick;
		3093	}
		3094
		3095	if ($soundconf) {
		3096	$soundconf = $enc->decode (delete $soundconf->{data});
		3097
		3098	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3099	my $sound = $soundconf->{compat}[$_]
		3100	or next;
		3101
		3102	my $face = cf::face::find "sound/$sound->[1]";
		3103	cf::sound::set $sound->[0] => $face;
		3104	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3105	}
		3106
		3107	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3108	my $face = cf::face::find "sound/$v";
		3109	cf::sound::set $k => $face;
		3110	}
		3111	}
		3112	}
		3113
		3114	1
		3115	}
		3116
		3117	register_exticmd fx_want => sub {
		3118	my ($ns, $want) = @_;
		3119
		3120	while (my ($k, $v) = each %$want) {
		3121	$ns->fx_want ($k, $v);
		3122	}
		3123	};
		3124
		3125	sub reload_regions {
		3126	# HACK to clear player env face cache, we need some signal framework
		3127	# for this (global event?)
		3128	%ext::player_env::MUSIC_FACE_CACHE = ();
		3129
		3130	load_resource_file "$MAPDIR/regions"
2265	or die "unable to load regions file\n";#d#	3131	or die "unable to load regions file\n";
2266	}
2267		3132
2268	sub cfg_load {	3133	for (cf::region::list) {
		3134	$_->{match} = qr/$_->{match}/
		3135	if exists $_->{match};
		3136	}
		3137	}
		3138
		3139	sub reload_facedata {
		3140	load_facedata "$DATADIR/facedata"
		3141	or die "unable to load facedata\n";
		3142	}
		3143
		3144	sub reload_archetypes {
		3145	load_resource_file "$DATADIR/archetypes"
		3146	or die "unable to load archetypes\n";
		3147	#d# NEED to laod twice to resolve forward references
		3148	# this really needs to be done in an extra post-pass
		3149	# (which needs to be synchronous, so solve it differently)
		3150	load_resource_file "$DATADIR/archetypes"
		3151	or die "unable to load archetypes\n";
		3152	}
		3153
		3154	sub reload_treasures {
		3155	load_resource_file "$DATADIR/treasures"
		3156	or die "unable to load treasurelists\n";
		3157	}
		3158
		3159	sub reload_resources {
		3160	warn "reloading resource files...\n";
		3161
		3162	reload_regions;
		3163	reload_facedata;
		3164	#reload_archetypes;#d#
		3165	reload_archetypes;
		3166	reload_treasures;
		3167
		3168	warn "finished reloading resource files\n";
		3169	}
		3170
		3171	sub init {
		3172	reload_resources;
		3173	}
		3174
		3175	sub reload_config {
2269	open my $fh, "<:utf8", cf::confdir . "/config"	3176	open my $fh, "<:utf8", "$CONFDIR/config"
2270	or return;	3177	or return;
2271		3178
2272	local $/;	3179	local $/;
2273	*CFG = YAML::Syck::Load <$fh>;	3180	*CFG = YAML::Syck::Load <$fh>;
2274		3181
…		…
2284	};	3191	};
2285	warn $@ if $@;	3192	warn $@ if $@;
2286	}	3193	}
2287	}	3194	}
2288		3195
2289	sub init {
2290	load_resources;
2291	}
2292
2293	sub main {	3196	sub main {
2294	# we must not ever block the main coroutine	3197	# we must not ever block the main coroutine
2295	local $Coro::idle = sub {	3198	local $Coro::idle = sub {
2296	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3199	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2297	(async {	3200	(async {
		3201	$Coro::current->{desc} = "IDLE BUG HANDLER";
2298	Event::one_event;	3202	Event::one_event;
2299	})->prio (Coro::PRIO_MAX);	3203	})->prio (Coro::PRIO_MAX);
2300	};	3204	};
2301		3205
2302	cfg_load;	3206	reload_config;
2303	db_init;	3207	db_init;
2304	load_extensions;	3208	load_extensions;
2305		3209
2306	$TICK_WATCHER->start;	3210	$TICK_WATCHER->start;
2307	Event::loop;	3211	Event::loop;
…		…
2323	},	3227	},
2324	);	3228	);
2325	}	3229	}
2326	}	3230	}
2327		3231
		3232	sub write_runtime {
		3233	my $runtime = "$LOCALDIR/runtime";
		3234
		3235	# first touch the runtime file to show we are still running:
		3236	# the fsync below can take a very very long time.
		3237
		3238	IO::AIO::aio_utime $runtime, undef, undef;
		3239
		3240	my $guard = cf::lock_acquire "write_runtime";
		3241
		3242	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3243	or return;
		3244
		3245	my $value = $cf::RUNTIME + 90 + 10;
		3246	# 10 is the runtime save interval, for a monotonic clock
		3247	# 60 allows for the watchdog to kill the server.
		3248
		3249	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3250	and return;
		3251
		3252	# always fsync - this file is important
		3253	aio_fsync $fh
		3254	and return;
		3255
		3256	# touch it again to show we are up-to-date
		3257	aio_utime $fh, undef, undef;
		3258
		3259	close $fh
		3260	or return;
		3261
		3262	aio_rename "$runtime~", $runtime
		3263	and return;
		3264
		3265	warn "runtime file written.\n";
		3266
		3267	1
		3268	}
		3269
2328	sub emergency_save() {	3270	sub emergency_save() {
2329	my $freeze_guard = cf::freeze_mainloop;	3271	my $freeze_guard = cf::freeze_mainloop;
2330		3272
2331	warn "enter emergency perl save\n";	3273	warn "enter emergency perl save\n";
2332		3274
…		…
2363		3305
2364	warn Carp::longmess "post_cleanup backtrace"	3306	warn Carp::longmess "post_cleanup backtrace"
2365	if $make_core;	3307	if $make_core;
2366	}	3308	}
2367		3309
2368	sub reload() {	3310	sub do_reload_perl() {
2369	# can/must only be called in main	3311	# can/must only be called in main
2370	if ($Coro::current != $Coro::main) {	3312	if ($Coro::current != $Coro::main) {
2371	warn "can only reload from main coroutine";	3313	warn "can only reload from main coroutine";
2372	return;	3314	return;
2373	}	3315	}
2374		3316
2375	warn "reloading...";	3317	warn "reloading...";
2376		3318
2377	warn "cancelling server ticker";	3319	warn "entering sync_job";
2378	$TICK_WATCHER->cancel;
2379		3320
		3321	cf::sync_job {
		3322	cf::write_runtime; # external watchdog should not bark
2380	cf::emergency_save;	3323	cf::emergency_save;
		3324	cf::write_runtime; # external watchdog should not bark
2381		3325
2382	eval {	3326	warn "syncing database to disk";
		3327	BDB::db_env_txn_checkpoint $DB_ENV;
		3328
2383	# if anything goes wrong in here, we should simply crash as we already saved	3329	# if anything goes wrong in here, we should simply crash as we already saved
2384		3330
2385	warn "cancelling all WF_AUTOCANCEL watchers";	3331	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {	3332	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;	3333	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}	3334	}
2389
2390	warn "syncing database to disk";
2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392		3335
2393	warn "flushing outstanding aio requests";	3336	warn "flushing outstanding aio requests";
2394	for (;;) {	3337	for (;;) {
2395	BDB::flush;	3338	BDB::flush;
2396	IO::AIO::flush;	3339	IO::AIO::flush;
2397	Coro::cede;	3340	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;	3341	last unless IO::AIO::nreqs || BDB::nreqs;
2399	warn "iterate...";	3342	warn "iterate...";
2400	}	3343	}
2401		3344
		3345	++$RELOAD;
		3346
2402	warn "cancelling all extension coros";	3347	warn "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;	3348	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();	3349	%EXT_CORO = ();
2405		3350
2406	warn "removing commands";	3351	warn "removing commands";
2407	%COMMAND = ();	3352	%COMMAND = ();
2408		3353
2409	warn "removing ext commands";	3354	warn "removing ext/exti commands";
2410	%EXTCMD = ();	3355	%EXTCMD = ();
		3356	%EXTICMD = ();
2411		3357
2412	warn "unloading/nuking all extensions";	3358	warn "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {	3359	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";	3360	warn "... unloading $pkg";
2415		3361
…		…
2445	Symbol::delete_package "safe::$_"	3391	Symbol::delete_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3392	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3393
2448	warn "unloading cf.pm \"a bit\"";	3394	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3395	delete $INC{"cf.pm"};
		3396	delete $INC{"cf/pod.pm"};
2450		3397
2451	# don't, removes xs symbols, too,	3398	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3399	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3400	#Symbol::delete_package __PACKAGE__;
2454		3401
…		…
2457	warn "reloading cf.pm";	3404	warn "reloading cf.pm";
2458	require cf;	3405	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3406	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2460		3407
2461	warn "loading config and database again";	3408	warn "loading config and database again";
2462	cf::cfg_load;	3409	cf::reload_config;
2463		3410
2464	warn "loading extensions";	3411	warn "loading extensions";
2465	cf::load_extensions;	3412	cf::load_extensions;
2466		3413
2467	warn "reattaching attachments to objects/players";	3414	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3415	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3416	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3417	reattach $_ for values %MAP;
		3418	warn "reattaching attachments to players";
		3419	reattach $_ for values %PLAYER;
2471		3420
2472	warn "loading reloadable resources";	3421	warn "leaving sync_job";
2473	load_resources;
2474		3422
2475	warn "restarting server ticker";	3423	1
2476		3424	} or do {
2477	$TICK_WATCHER->start;
2478	};
2479
2480	if ($@) {
2481	warn $@;	3425	warn $@;
2482	warn "error while reloading, exiting.";	3426	warn "error while reloading, exiting.";
2483	exit 1;	3427	exit 1;
2484	}	3428	};
2485		3429
2486	warn "reloaded";	3430	warn "reloaded";
2487	};	3431	};
2488		3432
2489	our $RELOAD_WATCHER; # used only during reload	3433	our $RELOAD_WATCHER; # used only during reload
2490		3434
		3435	sub reload_perl() {
		3436	# doing reload synchronously and two reloads happen back-to-back,
		3437	# coro crashes during coro_state_free->destroy here.
		3438
		3439	$RELOAD_WATCHER ||= Event->timer (
		3440	reentrant => 0,
		3441	after => 0,
		3442	data => WF_AUTOCANCEL,
		3443	cb => sub {
		3444	do_reload_perl;
		3445	undef $RELOAD_WATCHER;
		3446	},
		3447	);
		3448	}
		3449
2491	register_command "reload" => sub {	3450	register_command "reload" => sub {
2492	my ($who, $arg) = @_;	3451	my ($who, $arg) = @_;
2493		3452
2494	if ($who->flag (FLAG_WIZ)) {	3453	if ($who->flag (FLAG_WIZ)) {
2495	$who->message ("reloading server.");	3454	$who->message ("reloading server.");
2496		3455	async {
2497	# doing reload synchronously and two reloads happen back-to-back,	3456	$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;	3457	reload_perl;
2506	undef $RELOAD_WATCHER;
2507	},
2508	);	3458	};
2509	}	3459	}
2510	};	3460	};
2511		3461
2512	unshift @INC, $LIBDIR;	3462	unshift @INC, $LIBDIR;
2513		3463
2514	my $bug_warning = 0;	3464	my $bug_warning = 0;
		3465
		3466	our @WAIT_FOR_TICK;
		3467	our @WAIT_FOR_TICK_BEGIN;
		3468
		3469	sub wait_for_tick {
		3470	return unless $TICK_WATCHER->is_active;
		3471	return if $Coro::current == $Coro::main;
		3472
		3473	my $signal = new Coro::Signal;
		3474	push @WAIT_FOR_TICK, $signal;
		3475	$signal->wait;
		3476	}
		3477
		3478	sub wait_for_tick_begin {
		3479	return unless $TICK_WATCHER->is_active;
		3480	return if $Coro::current == $Coro::main;
		3481
		3482	my $signal = new Coro::Signal;
		3483	push @WAIT_FOR_TICK_BEGIN, $signal;
		3484	$signal->wait;
		3485	}
2515		3486
2516	$TICK_WATCHER = Event->timer (	3487	$TICK_WATCHER = Event->timer (
2517	reentrant => 0,	3488	reentrant => 0,
2518	parked => 1,	3489	parked => 1,
2519	prio => 0,	3490	prio => 0,
…		…
2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3495	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525	unless ++$bug_warning > 10;	3496	unless ++$bug_warning > 10;
2526	return;	3497	return;
2527	}	3498	}
2528		3499
2529	$NOW = Event::time;	3500	$NOW = $tick_start = Event::time;
2530		3501
2531	cf::server_tick; # one server iteration	3502	cf::server_tick; # one server iteration
		3503
2532	$RUNTIME += $TICK;	3504	$RUNTIME += $TICK;
2533	$NEXT_TICK += $TICK;	3505	$NEXT_TICK += $TICK;
2534		3506
2535	$WAIT_FOR_TICK->broadcast;	3507	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3508	$NEXT_RUNTIME_WRITE = $NOW + 10;
2537		3509	Coro::async_pool {
2538	Event::sweep;	3510	$Coro::current->{desc} = "runtime saver";
2539	Coro::cede_notself;	3511	write_runtime
		3512	or warn "ERROR: unable to write runtime file: $!";
		3513	};
2540		3514	}
2541	# my $AFTER = Event::time;	3515
2542	# warn $AFTER - $NOW;#d#	3516	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3517	$sig->send;
		3518	}
		3519	while (my $sig = shift @WAIT_FOR_TICK) {
		3520	$sig->send;
		3521	}
		3522
		3523	$NOW = Event::time;
2543		3524
2544	# if we are delayed by four ticks or more, skip them all	3525	# if we are delayed by four ticks or more, skip them all
2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3526	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2546		3527
2547	$TICK_WATCHER->at ($NEXT_TICK);	3528	$TICK_WATCHER->at ($NEXT_TICK);
2548	$TICK_WATCHER->start;	3529	$TICK_WATCHER->start;
		3530
		3531	$LOAD = ($NOW - $tick_start) / $TICK;
		3532	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3533
		3534	_post_tick;
2549	},	3535	},
2550	);	3536	);
2551		3537
2552	{	3538	{
		3539	BDB::min_parallel 8;
2553	BDB::max_poll_time $TICK * 0.1;	3540	BDB::max_poll_time $TICK * 0.1;
2554	$BDB_POLL_WATCHER = Event->io (	3541	$BDB_POLL_WATCHER = Event->io (
2555	reentrant => 0,	3542	reentrant => 0,
2556	fd => BDB::poll_fileno,	3543	fd => BDB::poll_fileno,
2557	poll => 'r',	3544	poll => 'r',
2558	prio => 0,	3545	prio => 0,
2559	data => WF_AUTOCANCEL,	3546	data => WF_AUTOCANCEL,
2560	cb => \&BDB::poll_cb,	3547	cb => \&BDB::poll_cb,
2561	);	3548	);
2562	BDB::min_parallel 8;
2563		3549
2564	BDB::set_sync_prepare {	3550	BDB::set_sync_prepare {
2565	my $status;	3551	my $status;
2566	my $current = $Coro::current;	3552	my $current = $Coro::current;
2567	(	3553	(
…		…
2576	)	3562	)
2577	};	3563	};
2578		3564
2579	unless ($DB_ENV) {	3565	unless ($DB_ENV) {
2580	$DB_ENV = BDB::db_env_create;	3566	$DB_ENV = BDB::db_env_create;
		3567	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3568	| BDB::LOG_AUTOREMOVE, 1);
		3569	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3570	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2581		3571
2582	cf::sync_job {	3572	cf::sync_job {
2583	eval {	3573	eval {
2584	BDB::db_env_open	3574	BDB::db_env_open
2585	$DB_ENV,	3575	$DB_ENV,
2586	$BDB_ENV_DIR,	3576	$BDBDIR,
2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589	0666;	3579	0666;
2590		3580
2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3581	cf::cleanup "db_env_open($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	};	3582	};
2596		3583
2597	cf::cleanup "db_env_open(db): $@" if $@;	3584	cf::cleanup "db_env_open(db): $@" if $@;
2598	};	3585	};
2599	}	3586	}
		3587
		3588	$BDB_DEADLOCK_WATCHER = Event->timer (
		3589	after => 3,
		3590	interval => 1,
		3591	hard => 1,
		3592	prio => 0,
		3593	data => WF_AUTOCANCEL,
		3594	cb => sub {
		3595	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3596	},
		3597	);
		3598	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3599	after => 11,
		3600	interval => 60,
		3601	hard => 1,
		3602	prio => 0,
		3603	data => WF_AUTOCANCEL,
		3604	cb => sub {
		3605	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3606	},
		3607	);
		3608	$BDB_TRICKLE_WATCHER = Event->timer (
		3609	after => 5,
		3610	interval => 10,
		3611	hard => 1,
		3612	prio => 0,
		3613	data => WF_AUTOCANCEL,
		3614	cb => sub {
		3615	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3616	},
		3617	);
2600	}	3618	}
2601		3619
2602	{	3620	{
2603	IO::AIO::min_parallel 8;	3621	IO::AIO::min_parallel 8;
2604		3622
2605	undef $Coro::AIO::WATCHER;	3623	undef $Coro::AIO::WATCHER;
2606	IO::AIO::max_poll_time $TICK * 0.1;	3624	IO::AIO::max_poll_time $TICK * 0.1;
2607	$AIO_POLL_WATCHER = Event->io (	3625	$AIO_POLL_WATCHER = Event->io (
2608	reentrant => 0,	3626	reentrant => 0,
		3627	data => WF_AUTOCANCEL,
2609	fd => IO::AIO::poll_fileno,	3628	fd => IO::AIO::poll_fileno,
2610	poll => 'r',	3629	poll => 'r',
2611	prio => 6,	3630	prio => 0,
2612	data => WF_AUTOCANCEL,
2613	cb => \&IO::AIO::poll_cb,	3631	cb => \&IO::AIO::poll_cb,
2614	);	3632	);
2615	}	3633	}
2616		3634
2617	$WRITE_RUNTIME_WATCHER = Event->timer (	3635	my $_log_backtrace;
2618	reentrant => 0,	3636
2619	data => WF_AUTOCANCEL,	3637	sub _log_backtrace {
2620	after => 1,	3638	my ($msg, @addr) = @_;
2621	interval => 10,	3639
2622	prio => 6, # keep it lowest so it acts like a watchdog	3640	$msg =~ s/\n//;
2623	cb => Coro::unblock_sub {	3641
2624	write_runtime	3642	# limit the # of concurrent backtraces
2625	or warn "ERROR: unable to write runtime file: $!";	3643	if ($_log_backtrace < 2) {
		3644	++$_log_backtrace;
		3645	async {
		3646	$Coro::current->{desc} = "abt $msg";
		3647
		3648	my @bt = fork_call {
		3649	@addr = map { sprintf "%x", $_ } @addr;
		3650	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3651	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3652	or die "addr2line: $!";
		3653
		3654	my @funcs;
		3655	my @res = <$fh>;
		3656	chomp for @res;
		3657	while (@res) {
		3658	my ($func, $line) = splice @res, 0, 2, ();
		3659	push @funcs, "[$func] $line";
		3660	}
		3661
		3662	@funcs
		3663	};
		3664
		3665	LOG llevInfo, "[ABT] $msg\n";
		3666	LOG llevInfo, "[ABT] $_\n" for @bt;
		3667	--$_log_backtrace;
		3668	};
		3669	} else {
		3670	LOG llevInfo, "[ABT] $msg\n";
		3671	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	3672	}
2627	);	3673	}
		3674
		3675	# load additional modules
		3676	use cf::pod;
2628		3677
2629	END { cf::emergency_save }	3678	END { cf::emergency_save }
2630		3679
2631	1	3680	1
2632		3681

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