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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.212 by root, Tue Feb 13 19:25:44 2007 UTC vs.
Revision 1.372 by root, Sat Sep 15 13:25:33 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	my $signal = new Coro::Signal;
		360
		361	while () {
		362	next_job:
		363	my $avail = cf::till_tick;
		364	if ($avail > 0.01) {
		365	for (0 .. $#SLOT_QUEUE) {
		366	if ($SLOT_QUEUE[$_][0] < $avail) {
		367	my $job = splice @SLOT_QUEUE, $_, 1, ();
		368	$job->[2]->send;
		369	Coro::cede;
		370	goto next_job;
		371	}
		372	}
		373	}
		374
		375	if (@SLOT_QUEUE) {
		376	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		377	push @cf::WAIT_FOR_TICK, $signal;
		378	$signal->wait;
		379	} else {
		380	Coro::schedule;
		381	}
		382	}
		383	};
		384
		385	sub get_slot($;$$) {
		386	my ($time, $pri, $name) = @_;
		387
		388	$time = $TICK * .6 if $time > $TICK * .6;
		389	my $sig = new Coro::Signal;
		390
		391	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		392	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		393	$SLOT_QUEUE->ready;
		394	$sig->wait;
283	}	395	}
284		396
285	=item cf::async { BLOCK }	397	=item cf::async { BLOCK }
286		398
287	Currently the same as Coro::async_pool, meaning you cannot use	399	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		404
293	BEGIN { *async = \&Coro::async_pool }	405	BEGIN { *async = \&Coro::async_pool }
294		406
295	=item cf::sync_job { BLOCK }	407	=item cf::sync_job { BLOCK }
296		408
297	The design of crossfire+ requires that the main coro ($Coro::main) is	409	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	410	is always able to handle events or runnable, as Crossfire TRT is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		412	acceptable.
300		413
301	If it must be done, put the blocking parts into C<sync_job>. This will run	414	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	415	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	416	server will be frozen during this time, so the block should either finish
304	fast or be very important.	417	fast or be very important.
…		…
307		420
308	sub sync_job(&) {	421	sub sync_job(&) {
309	my ($job) = @_;	422	my ($job) = @_;
310		423
311	if ($Coro::current == $Coro::main) {	424	if ($Coro::current == $Coro::main) {
		425	my $time = Event::time;
		426
312	# this is the main coro, too bad, we have to block	427	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	428	# till the operation succeeds, freezing the server :/
314		429
315	# TODO: use suspend/resume instead	430	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	431	# (but this is cancel-safe)
…		…
327		442
328	while ($busy) {	443	while ($busy) {
329	Coro::cede or Event::one_event;	444	Coro::cede or Event::one_event;
330	}	445	}
331		446
		447	$time = Event::time - $time;
		448
		449	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		450	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		451
		452	$tick_start += $time; # do not account sync jobs to server load
		453
332	wantarray ? @res : $res[0]	454	wantarray ? @res : $res[0]
333	} else {	455	} else {
334	# we are in another coroutine, how wonderful, everything just works	456	# we are in another coroutine, how wonderful, everything just works
335		457
336	$job->()	458	$job->()
…		…
355	$EXT_CORO{$coro+0} = $coro;	477	$EXT_CORO{$coro+0} = $coro;
356		478
357	$coro	479	$coro
358	}	480	}
359		481
360	sub write_runtime {	482	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		483
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	484	Executes the given code block with the given arguments in a seperate
364	or return;	485	process, returning the results. Everything must be serialisable with
		486	Coro::Storable. May, of course, block. Note that the executed sub may
		487	never block itself or use any form of Event handling.
365		488
366	my $value = $cf::RUNTIME + 90 + 10;	489	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		490
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	491	sub fork_call(&@) {
371	and return;	492	my ($cb, @args) = @_;
372		493
373	# always fsync - this file is important	494	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	495	# otherwise perl prematurely frees the stuff :/
375	and return;	496	# TODO: investigate and fix (likely this will be rather laborious)
376		497
377	close $fh	498	my @res = Coro::Util::fork_eval {
378	or return;	499	reset_signals;
		500	&$cb
		501	}, @args;
379		502
380	aio_rename "$runtime~", $runtime	503	wantarray ? @res : $res[-1]
381	and return;	504	}
382		505
		506	=item $value = cf::db_get $family => $key
		507
		508	Returns a single value from the environment database.
		509
		510	=item cf::db_put $family => $key => $value
		511
		512	Stores the given C<$value> in the family. It can currently store binary
		513	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		514
		515	=item $db = cf::db_table "name"
		516
		517	Create and/or open a new database table. The string must not be "db" and must be unique
		518	within each server.
		519
		520	=cut
		521
		522	sub db_table($) {
		523	my ($name) = @_;
		524	my $db = BDB::db_create $DB_ENV;
		525
		526	eval {
		527	$db->set_flags (BDB::CHKSUM);
		528
		529	utf8::encode $name;
		530	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		531	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		532	cf::cleanup "db_open(db): $!" if $!;
		533	};
		534	cf::cleanup "db_open(db): $@" if $@;
		535
		536	$db
		537	}
		538
		539	our $DB;
		540
		541	sub db_init {
		542	cf::sync_job {
		543	$DB ||= db_table "db";
		544	};
		545	}
		546
		547	sub db_get($$) {
		548	my $key = "$_[0]/$_[1]";
		549
		550	cf::sync_job {
		551	BDB::db_get $DB, undef, $key, my $data;
		552
		553	$! ? ()
		554	: $data
383	1	555	}
		556	}
		557
		558	sub db_put($$$) {
		559	BDB::dbreq_pri 4;
		560	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		561	}
		562
		563	=item cf::cache $id => [$paths...], $processversion => $process
		564
		565	Generic caching function that returns the value of the resource $id,
		566	caching and regenerating as required.
		567
		568	This function can block.
		569
		570	=cut
		571
		572	sub cache {
		573	my ($id, $src, $processversion, $process) = @_;
		574
		575	my $meta =
		576	join "\x00",
		577	$processversion,
		578	map {
		579	aio_stat $_
		580	and Carp::croak "$_: $!";
		581
		582	($_, (stat _)[7,9])
		583	} @$src;
		584
		585	my $dbmeta = db_get cache => "$id/meta";
		586	if ($dbmeta ne $meta) {
		587	# changed, we may need to process
		588
		589	my @data;
		590	my $md5;
		591
		592	for (0 .. $#$src) {
		593	0 <= aio_load $src->[$_], $data[$_]
		594	or Carp::croak "$src->[$_]: $!";
		595	}
		596
		597	# if processing is expensive, check
		598	# checksum first
		599	if (1) {
		600	$md5 =
		601	join "\x00",
		602	$processversion,
		603	map {
		604	cf::cede_to_tick;
		605	($src->[$_], Digest::MD5::md5_hex $data[$_])
		606	} 0.. $#$src;
		607
		608
		609	my $dbmd5 = db_get cache => "$id/md5";
		610	if ($dbmd5 eq $md5) {
		611	db_put cache => "$id/meta", $meta;
		612
		613	return db_get cache => "$id/data";
		614	}
		615	}
		616
		617	my $t1 = Time::HiRes::time;
		618	my $data = $process->(\@data);
		619	my $t2 = Time::HiRes::time;
		620
		621	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		622
		623	db_put cache => "$id/data", $data;
		624	db_put cache => "$id/md5" , $md5;
		625	db_put cache => "$id/meta", $meta;
		626
		627	return $data;
		628	}
		629
		630	db_get cache => "$id/data"
		631	}
		632
		633	=item cf::datalog type => key => value, ...
		634
		635	Log a datalog packet of the given type with the given key-value pairs.
		636
		637	=cut
		638
		639	sub datalog($@) {
		640	my ($type, %kv) = @_;
		641	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	642	}
385		643
386	=back	644	=back
387		645
388	=cut	646	=cut
…		…
395	attach callbacks/event handlers (a collection of which is called an "attachment")	653	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	654	to it. All such attachable objects support the following methods.
397		655
398	In the following description, CLASS can be any of C<global>, C<object>	656	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	657	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	658	Crossfire TRT).
401		659
402	=over 4	660	=over 4
403		661
404	=item $attachable->attach ($attachment, key => $value...)	662	=item $attachable->attach ($attachment, key => $value...)
405		663
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	826	$registry = $CB_TYPE[$object_type] ||= [];
569		827
570	} elsif ($type eq "subtype") {	828	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	829	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	830	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	831	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		832
575	} elsif ($type eq "package") {	833	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	834	my $pkg = shift @arg;
577		835
578	while (my ($name, $id) = each %cb_id) {	836	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	865	_attach $registry, $klass, @attach;
608	}	866	}
609		867
610	$obj->{$name} = \%arg;	868	$obj->{$name} = \%arg;
611	} else {	869	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	870	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	871	}
614		872
615	$obj->{_attachment}{$name} = undef;	873	$obj->{_attachment}{$name} = undef;
616	}	874	}
617		875
…		…
619	if (ref $_[0]) {	877	if (ref $_[0]) {
620	_object_attach @_;	878	_object_attach @_;
621	} else {	879	} else {
622	_attach shift->_attach_registry, @_;	880	_attach shift->_attach_registry, @_;
623	}	881	}
		882	_recalc_want;
624	};	883	};
625		884
626	# all those should be optimised	885	# all those should be optimised
627	sub cf::attachable::detach {	886	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	887	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	890	delete $obj->{_attachment}{$name};
632	reattach ($obj);	891	reattach ($obj);
633	} else {	892	} else {
634	Carp::croak "cannot, currently, detach class attachments";	893	Carp::croak "cannot, currently, detach class attachments";
635	}	894	}
		895	_recalc_want;
636	};	896	};
637		897
638	sub cf::attachable::attached {	898	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	899	my ($obj, $name) = @_;
640		900
…		…
655	";	915	";
656	die if $@;	916	die if $@;
657	}	917	}
658		918
659	our $override;	919	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	920	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		921
662	sub override {	922	sub override {
663	$override = 1;	923	$override = 1;
664	@invoke_results = ();	924	@INVOKE_RESULTS = (@_);
665	}	925	}
666		926
667	sub do_invoke {	927	sub do_invoke {
668	my $event = shift;	928	my $event = shift;
669	my $callbacks = shift;	929	my $callbacks = shift;
670		930
671	@invoke_results = ();	931	@INVOKE_RESULTS = ();
672		932
673	local $override;	933	local $override;
674		934
675	for (@$callbacks) {	935	for (@$callbacks) {
676	eval { &{$_->[1]} };	936	eval { &{$_->[1]} };
…		…
693		953
694	Generate an object-specific event with the given arguments.	954	Generate an object-specific event with the given arguments.
695		955
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	956	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	957	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	958	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		959
700	=back	960	=back
701		961
702	=cut	962	=cut
703		963
704	#############################################################################	964	#############################################################################
705	# object support	965	# object support
		966	#
		967
		968	sub _can_merge {
		969	my ($ob1, $ob2) = @_;
		970
		971	local $Storable::canonical = 1;
		972	my $fob1 = Storable::freeze $ob1;
		973	my $fob2 = Storable::freeze $ob2;
		974
		975	$fob1 eq $fob2
		976	}
706		977
707	sub reattach {	978	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	979	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	980	my ($obj) = @_;
710		981
…		…
755	);	1026	);
756		1027
757	sub object_freezer_save {	1028	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1029	my ($filename, $rdata, $objs) = @_;
759		1030
		1031	my $guard = cf::lock_acquire "io";
		1032
760	sync_job {	1033	sync_job {
761	if (length $$rdata) {	1034	if (length $$rdata) {
		1035	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1036	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1037	$decname, length $$rdata, scalar @$objs;
764		1038
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1039	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1040	chmod SAVE_MODE, $fh;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1041	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1042	aio_fsync $fh if $cf::USE_FSYNC;
…		…
787	}	1061	}
788	} else {	1062	} else {
789	aio_unlink $filename;	1063	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1064	aio_unlink "$filename.pst";
791	}	1065	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1066	};
		1067
		1068	undef $guard;
799	}	1069	}
800		1070
801	sub object_freezer_as_string {	1071	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1072	my ($rdata, $objs) = @_;
803		1073
…		…
809	sub object_thawer_load {	1079	sub object_thawer_load {
810	my ($filename) = @_;	1080	my ($filename) = @_;
811		1081
812	my ($data, $av);	1082	my ($data, $av);
813		1083
814	#d#TODO remove .map if file does not exist	1084	my $guard = cf::lock_acquire "io";
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1085
817	(aio_load $filename, $data) >= 0	1086	(aio_load $filename, $data) >= 0
818	or return;	1087	or return;
819		1088
820	unless (aio_stat "$filename.pst") {	1089	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1090	(aio_load "$filename.pst", $av) >= 0
822	or return;	1091	or return;
		1092
		1093	undef $guard;
823	$av = eval { (Storable::thaw $av)->{objs} };	1094	$av = eval { (Storable::thaw $av)->{objs} };
824	}	1095	}
825		1096
		1097	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
828	return ($data, $av);	1101	($data, $av)
829	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
830		1109
831	#############################################################################	1110	#############################################################################
832	# command handling &c	1111	# command handling &c
833		1112
834	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1127	}
849		1128
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1130
852	Register a callbackf ro execution when the client sends an extcmd packet.	1131	Register a callback for execution when the client sends an (synchronous)
		1132	extcmd packet. Ext commands will be processed in the order they are
		1133	received by the server, like other user commands. The first argument is
		1134	the logged-in player. Ext commands can only be processed after a player
		1135	has logged in successfully.
853		1136
854	If the callback returns something, it is sent back as if reply was being	1137	If the callback returns something, it is sent back as if reply was being
855	called.	1138	called.
856		1139
		1140	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1141
		1142	Register a callback for execution when the client sends an (asynchronous)
		1143	exticmd packet. Exti commands are processed by the server as soon as they
		1144	are received, i.e. out of order w.r.t. other commands. The first argument
		1145	is a client socket. Exti commands can be received anytime, even before
		1146	log-in.
		1147
		1148	If the callback returns something, it is sent back as if reply was being
		1149	called.
		1150
857	=cut	1151	=cut
858		1152
859	sub register_extcmd {	1153	sub register_extcmd {
860	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
861		1155
862	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
863	}	1163	}
864		1164
865	cf::player->attach (	1165	cf::player->attach (
866	on_command => sub {	1166	on_command => sub {
867	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
876	cf::override;	1176	cf::override;
877	},	1177	},
878	on_extcmd => sub {	1178	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
880		1180
881	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1182
883	if (ref $msg) {	1183	if (ref $msg) {
		1184	my ($type, $reply, @payload) =
		1185	"ARRAY" eq ref $msg
		1186	? @$msg
		1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1188
		1189	my @reply;
		1190
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
889	} else {	1198	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1200	}
892		1201
893	cf::override;	1202	cf::override;
894	},	1203	},
895	);	1204	);
896		1205
897	sub load_extension {
898	my ($path) = @_;
899
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
901	my $base = $1;
902	my $pkg = $1;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}
925	die $@;
926	}
927
928	push @EXTS, $pkg;
929	}
930
931	sub load_extensions {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
932	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1211	next unless -r $path;
934	eval {	1212
935	load_extension $ext;	1213	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1214	my $base = $1;
		1215	my $pkg = $1;
		1216	$pkg =~ s/[^[:word:]]/_/g;
		1217	$pkg = "ext::$pkg";
		1218
		1219	open my $fh, "<:utf8", $path
		1220	or die "$path: $!";
		1221
		1222	my $source = do { local $/; <$fh> };
		1223
		1224	my %ext = (
		1225	path => $path,
		1226	base => $base,
		1227	pkg => $pkg,
		1228	);
		1229
		1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1232
		1233	$ext{source} =
		1234	"package $pkg; use strict; use utf8;\n"
		1235	. "#line 1 \"$path\"\n{\n"
		1236	. $source
		1237	. "\n};\n1";
		1238
		1239	$todo{$base} = \%ext;
		1240	}
		1241
		1242	my %done;
		1243	while (%todo) {
		1244	my $progress;
		1245
		1246	while (my ($k, $v) = each %todo) {
		1247	for (split /,\s*/, $v->{meta}{depends}) {
		1248	goto skip
		1249	unless exists $done{$_};
		1250	}
		1251
		1252	warn "... loading '$k' into '$v->{pkg}'\n";
		1253
		1254	unless (eval $v->{source}) {
		1255	my $msg = $@ ? "$v->{path}: $@\n"
		1256	: "$v->{base}: extension inactive.\n";
		1257
		1258	if (exists $v->{meta}{mandatory}) {
		1259	warn $msg;
		1260	warn "mandatory extension failed to load, exiting.\n";
		1261	exit 1;
		1262	}
		1263
		1264	warn $msg;
		1265	}
		1266
		1267	$done{$k} = delete $todo{$k};
		1268	push @EXTS, $v->{pkg};
		1269	$progress = 1;
936	1	1270	}
937	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
938	}	1276	};
939	}	1277	}
940		1278
941	#############################################################################	1279	#############################################################################
942		1280
		1281	=back
		1282
943	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
944		1284
945	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
946		1286
947	=cut	1287	=cut
…		…
952		1292
953	=head3 cf::player	1293	=head3 cf::player
954		1294
955	=over 4	1295	=over 4
956		1296
		1297	=item cf::player::num_playing
		1298
		1299	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1300
		1301	=cut
		1302
		1303	sub num_playing {
		1304	scalar grep
		1305	$_->ob->map
		1306	&& !$_->hidden
		1307	&& !$_->ob->flag (cf::FLAG_WIZ),
		1308	cf::player::list
		1309	}
		1310
957	=item cf::player::find $login	1311	=item cf::player::find $login
958		1312
959	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
960		1314
961	=cut	1315	=cut
962		1316
963	sub playerdir($) {	1317	sub playerdir($) {
964	cf::localdir	1318	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1319	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1320	}
970		1321
971	sub path($) {	1322	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1323	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1324
974	(playerdir $login) . "/$login.pl"	1325	(playerdir $login) . "/playerdata"
975	}	1326	}
976		1327
977	sub find_active($) {	1328	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1329	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1330	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1343	my $login = $_[0];
993		1344
994	my $guard = cf::lock_acquire "user_find:$login";	1345	my $guard = cf::lock_acquire "user_find:$login";
995		1346
996	$cf::PLAYER{$_[0]} || do {	1347	$cf::PLAYER{$_[0]} || do {
997	my $pl = load_pl path $login	1348	# rename old playerfiles to new ones
		1349	#TODO: remove when no longer required
		1350	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1351	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1352	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1353	aio_unlink +(playerdir $login) . "/$login.pl";
		1354
		1355	my $f = new_from_file cf::object::thawer path $login
998	or return;	1356	or return;
		1357
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
999	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
1000	}	1363	}
1001	}	1364	}
1002	}	1365	}
1003		1366
…		…
1013		1376
1014	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1016		1379
1017	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1018	Coro::cede;	1381	cf::cede_to_tick;
1019	}	1382	}
1020		1383
1021	sub new($) {	1384	sub new($) {
1022	my ($login) = @_;	1385	my ($login) = @_;
1023		1386
…		…
1029	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1030		1393
1031	$self	1394	$self
1032	}	1395	}
1033		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
		1405	}
		1406
1034	=item $pl->quit_character	1407	=item $pl->quit_character
1035		1408
1036	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1410	be destroyed. May block for a long time.
1038		1411
1039	=cut	1412	=cut
1040		1413
1041	sub quit_character {	1414	sub quit_character {
1042	my ($pl) = @_;	1415	my ($pl) = @_;
		1416
		1417	my $name = $pl->ob->name;
1043		1418
1044	$pl->{deny_save} = 1;	1419	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1420	$pl->password ("*"); # this should lock out the player until we nuked the dir
1046		1421
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1052	my $path = playerdir $pl;	1427	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1428	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1429	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1430	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1431	$pl->destroy;
		1432
		1433	my $prefix = qr<^~\Q$name\E/>;
		1434
		1435	# nuke player maps
		1436	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1437
1057	IO::AIO::aio_rmtree $temp;	1438	IO::AIO::aio_rmtree $temp;
		1439	}
		1440
		1441	=item $pl->kick
		1442
		1443	Kicks a player out of the game. This destroys the connection.
		1444
		1445	=cut
		1446
		1447	sub kick {
		1448	my ($pl, $kicker) = @_;
		1449
		1450	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1451	$pl->killer ("kicked");
		1452	$pl->ns->destroy;
1058	}	1453	}
1059		1454
1060	=item cf::player::list_logins	1455	=item cf::player::list_logins
1061		1456
1062	Returns am arrayref of all valid playernames in the system, can take a	1457	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1064		1459
1065	=cut	1460	=cut
1066		1461
1067	sub list_logins {	1462	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1464	or return [];
1070		1465
1071	my @logins;	1466	my @logins;
1072		1467
1073	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1077		1477
1078	utf8::decode $login;	1478	utf8::decode $login;
1079	push @logins, $login;	1479	push @logins, $login;
1080	}	1480	}
1081		1481
…		…
1108	}	1508	}
1109		1509
1110	\@paths	1510	\@paths
1111	}	1511	}
1112		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1114		1565
1115	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1116		1567
1117	=cut	1568	=cut
1118		1569
1119	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1121		1572
1122	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1574	}
1126		1575
1127	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		1583	my ($self, $type, @msg) = @_;
		1584
		1585	$self->ns->ext_msg ($type, @msg);
		1586	}
		1587
		1588	=head3 cf::region
		1589
		1590	=over 4
		1591
		1592	=cut
		1593
		1594	package cf::region;
		1595
		1596	=item cf::region::find_by_path $path
		1597
		1598	Tries to decuce the likely region for a map knowing only its path.
		1599
		1600	=cut
		1601
		1602	sub find_by_path($) {
		1603	my ($path) = @_;
		1604
		1605	my ($match, $specificity);
		1606
		1607	for my $region (list) {
		1608	if ($region->{match} && $path =~ $region->{match}) {
		1609	($match, $specificity) = ($region, $region->specificity)
		1610	if $region->specificity > $specificity;
		1611	}
		1612	}
		1613
		1614	$match
		1615	}
1128		1616
1129	=back	1617	=back
1130
1131		1618
1132	=head3 cf::map	1619	=head3 cf::map
1133		1620
1134	=over 4	1621	=over 4
1135		1622
…		…
1190	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1191		1678
1192	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1193	local $self->{path};	1680	local $self->{path};
1194	local $self->{load_path};	1681	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1682
1198	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1199	}	1684	}
1200		1685
1201	sub normalise {	1686	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1249	return $self;	1734	return $self;
1250	}	1735	}
1251	}	1736	}
1252		1737
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1739	()
1255	}	1740	}
1256		1741
1257	sub init {	1742	sub init {
1258	my ($self) = @_;	1743	my ($self) = @_;
…		…
1273		1758
1274	# the original (read-only) location	1759	# the original (read-only) location
1275	sub load_path {	1760	sub load_path {
1276	my ($self) = @_;	1761	my ($self) = @_;
1277		1762
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1279	}	1764	}
1280		1765
1281	# the temporary/swap location	1766	# the temporary/swap location
1282	sub save_path {	1767	sub save_path {
1283	my ($self) = @_;	1768	my ($self) = @_;
1284		1769
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1287	}	1772	}
1288		1773
1289	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1290	sub uniq_path {	1775	sub uniq_path {
1291	my ($self) = @_;	1776	my ($self) = @_;
1292		1777
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1295	}	1780	}
1296		1781
1297	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1298	# all maps in C++...	1783	# all maps in C++...
1299	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1301		1786
1302	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1304	}	1789	}
1305		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1306	sub unlink_save {	1799	sub unlink_save {
1307	my ($self) = @_;	1800	my ($self) = @_;
1308		1801
1309	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1804	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1805	}
1318		1806
1319	sub load_header_from($) {	1807	sub load_header_from($) {
1320	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1321		1809
1322	utf8::encode $path;	1810	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1812	or return;
		1813
		1814	$self->_load_header ($f)
		1815	or return;
		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
1328		1819
1329	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1330		1821
1331	1	1822	1
1332	}	1823	}
…		…
1371	$self->load_header_orig	1862	$self->load_header_orig
1372	or return;	1863	or return;
1373	$self->prepare_orig;	1864	$self->prepare_orig;
1374	}	1865	}
1375		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
		1870	$self->default_region (cf::region::find_by_path $self->{path})
		1871	unless $self->default_region;
		1872
1376	1	1873	1
1377	}	1874	}
1378		1875
1379	sub find;	1876	sub find;
1380	sub find {	1877	sub find {
1381	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1382		1879
1383	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1384		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1386		1884
1387	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1389	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1390	or return;	1890	or return;
1391		1891
1392	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1393		1893
1394	$map->load_header	1894	$map->load_header
1395	or return;	1895	or return;
1396		1896
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1400	$map->reset;	1902	$map->reset;
1401	undef $guard;
1402	return find $path;	1903	return find $path;
1403	}	1904	}
1404		1905
1405	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1406	}	1907	}
…		…
1413	my ($self) = @_;	1914	my ($self) = @_;
1414		1915
1415	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1416		1917
1417	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1419		1922
		1923	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		1925
1422	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1423		1927
1424	$self->alloc;	1928	$self->alloc;
1425		1929
1426	$self->pre_load;	1930	$self->pre_load;
		1931	cf::cede_to_tick;
1427		1932
1428	$self->_load_objects ($self->{load_path}, 1)	1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
		1935	$self->_load_objects ($f)
1429	or return;	1936	or return;
1430		1937
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};	1939	if delete $self->{load_original};
1433		1940
1434	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	1942	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	1945	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1439	}	1949	}
1440	}	1950	}
1441		1951
1442	Coro::cede;	1952	$f->resolve_delayed_derefs;
1443		1953
		1954	cf::cede_to_tick;
1444	# now do the right thing for maps	1955	# now do the right thing for maps
1445	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1958	unless $self->difficulty;
1455	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($self->{deny_activate}) {
		1962	$self->decay_objects;
		1963	$self->fix_auto_apply;
		1964	$self->update_buttons;
		1965	cf::cede_to_tick;
		1966	$self->set_darkness_map;
		1967	cf::cede_to_tick;
1456	$self->activate;	1968	$self->activate;
		1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
		1973
		1974	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	1975	}
1458		1976
1459	$self->post_load;	1977	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	1978	}
1463		1979
1464	sub customise_for {	1980	sub customise_for {
1465	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1466		1982
1467	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	1984	if $self->per_player;
1469		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1470	$self	1989	$self
1471	}	1990	}
1472		1991
1473	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	1993	sub load_neighbours {
1475	my ($map) = @_;	1994	my ($map) = @_;
1476		1995
1477	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1478		1997
1479	for (0 .. 3) {	1998	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1481	or next;	2000	or next;
1482	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1483	or next;	2002	or next;
1484	$neigh->load;	2003	$neigh->load;
1485		2004
		2005	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2008	}
1489		2009
1490	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1492	or next;	2013	or next;
1493	$neigh->load;	2014	$neigh->load;
1494	}	2015	}
1495	}	2016	}
1496		2017
…		…
1501	}	2022	}
1502		2023
1503	sub do_load_sync {	2024	sub do_load_sync {
1504	my ($map) = @_;	2025	my ($map) = @_;
1505		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1506	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1507	}	2031	}
1508		2032
1509	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1511		2035
1512	sub find_async {	2036	sub find_async {
1513	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1514		2038
1515	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1516		2040
1517	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1519	}	2043	}
1520		2044
1521	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1522	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
1523	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2050	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2051	$map->load if $v;
		2052	}
1528		2053
1529	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1530	}	2055	}
1531	}	2056	}
1532	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1533	};	2058	};
1534	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2062	}
1538		2063
1539	sub save {	2064	sub save {
1540	my ($self) = @_;	2065	my ($self) = @_;
1541		2066
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2068
1544	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1545		2070
1546	return unless $self->dirty;	2071	return unless $self->dirty;
1547		2072
…		…
1570	my ($self) = @_;	2095	my ($self) = @_;
1571		2096
1572	# save first because save cedes	2097	# save first because save cedes
1573	$self->save;	2098	$self->save;
1574		2099
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2101
1577	return if $self->players;	2102	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};	2104	return if $self->{deny_save};
1580		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2110	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2111	}
1584		2112
1585	sub reset_at {	2113	sub reset_at {
1586	my ($self) = @_;	2114	my ($self) = @_;
1587		2115
1588	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1591		2118
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2121
…		…
1605	my ($self) = @_;	2132	my ($self) = @_;
1606		2133
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2135
1609	return if $self->players;	2136	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2137
1612	warn "resetting map ", $self->path;#d#	2138	warn "resetting map ", $self->path;
1613		2139
1614	$self->in_memory (cf::MAP_SWAPPED);	2140	$self->in_memory (cf::MAP_SWAPPED);
1615		2141
1616	# need to save uniques path	2142	# need to save uniques path
1617	unless ($self->{deny_save}) {	2143	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2147	if $uniq;
1622	}	2148	}
1623		2149
1624	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1625		2151
		2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2154	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2155
1630	$self->unlink_save;	2156	$self->unlink_save;
1631	$self->destroy;	2157	$self->destroy;
1632	}	2158	}
1633		2159
1634	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1635		2161
1636	sub nuke {	2162	sub nuke {
1637	my ($self) = @_;	2163	my ($self) = @_;
1638		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
1639	delete $cf::MAP{$self->path};	2168	delete $cf::MAP{$self->path};
1640		2169
1641	$self->unlink_save;	2170	$self->unlink_save;
1642		2171
1643	bless $self, "cf::map";	2172	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2173	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2177
1649	$cf::MAP{$self->path} = $self;	2178	$cf::MAP{$self->path} = $self;
		2179	}
1650		2180
1651	$self->reset; # polite request, might not happen	2181	$self->reset; # polite request, might not happen
		2182	}
		2183
		2184	=item $maps = cf::map::tmp_maps
		2185
		2186	Returns an arrayref with all map paths of currently instantiated and saved
		2187	maps. May block.
		2188
		2189	=cut
		2190
		2191	sub tmp_maps() {
		2192	[
		2193	map {
		2194	utf8::decode $_;
		2195	/\.map$/
		2196	? normalise $_
		2197	: ()
		2198	} @{ aio_readdir $TMPDIR or [] }
		2199	]
		2200	}
		2201
		2202	=item $maps = cf::map::random_maps
		2203
		2204	Returns an arrayref with all map paths of currently instantiated and saved
		2205	random maps. May block.
		2206
		2207	=cut
		2208
		2209	sub random_maps() {
		2210	[
		2211	map {
		2212	utf8::decode $_;
		2213	/\.map$/
		2214	? normalise "?random/$_"
		2215	: ()
		2216	} @{ aio_readdir $RANDOMDIR or [] }
		2217	]
1652	}	2218	}
1653		2219
1654	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1655		2221
1656	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2223	instantiated unique items. May block.
1658		2224
1659	=cut	2225	=cut
1660		2226
1661	sub unique_maps() {	2227	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2228	[
1663	or return;	2229	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2230	utf8::decode $_;
1669	next if /\.pst$/;	2231	/\.map$/
1670	next unless /^$PATH_SEP/o;	2232	? normalise $_
1671		2233	: ()
1672	push @paths, cf::map::normalise $_;	2234	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2235	]
1674
1675	\@paths
1676	}	2236	}
1677		2237
1678	package cf;	2238	package cf;
1679		2239
1680	=back	2240	=back
…		…
1698	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1699	}	2259	}
1700		2260
1701	sub inv_recursive {	2261	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2262	inv_recursive_ inv $_[0]
		2263	}
		2264
		2265	=item $ref = $ob->ref
		2266
		2267	creates and returns a persistent reference to an objetc that can be stored as a string.
		2268
		2269	=item $ob = cf::object::deref ($refstring)
		2270
		2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2272	even if the object actually exists. May block.
		2273
		2274	=cut
		2275
		2276	sub deref {
		2277	my ($ref) = @_;
		2278
		2279	# temporary compatibility#TODO#remove
		2280	$ref =~ s{^<}{player/<};
		2281
		2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1703	}	2294	}
1704		2295
1705	package cf;	2296	package cf;
1706		2297
1707	=back	2298	=back
…		…
1726		2317
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2319
1729	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1731	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1734	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1735	}	2345	}
1736		2346
1737	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1738		2348
1739	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1786	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1787		2397
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2399
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1792		2402
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2404	}
1795		2405
1796	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1798		2410
1799	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1800		2412
1801	unless ($map) {	2413	unless ($map) {
1802	# restore original map position	2414	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1819		2431
1820	$map->load;	2432	$map->load;
1821	$map->load_diag;	2433	$map->load_neighbours;
1822		2434
1823	return unless $self->contr->active;	2435	return unless $self->contr->active;
1824	$self->activate_recursive;	2436	$self->activate_recursive;
		2437
		2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1826	}	2440	}
1827		2441
1828	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829	on_logout => sub {
1830	my ($pl) = @_;
1831		2443
1832	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1833	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1834	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1835	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1836	};	2448	be called at the end of this process.
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2449
1842	# try to abort aborted map switching on player login :)
1843	# should happen only on crashes
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859
1860	=item $player_object->goto ($path, $x, $y)
1861
1862	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1863		2453
1864	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2459
1867	$self->enter_link;	2460	$self->enter_link;
1868		2461
1869	(async {	2462	(async {
		2463	# *tag paths override both path and x|y
		2464	if ($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
1870	my $map = eval {	2482	my $map = eval {
1871	my $map = cf::map::find $path;	2483	my $map = defined $path ? cf::map::find $path : undef;
		2484
		2485	if ($map) {
1872	$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
1873	$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 $@;
1874	} or	2498	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2499
		2500	if ($gen == $self->{_goto_generation}) {
		2501	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2502	$self->leave_link ($map, $x, $y);
		2503	}
		2504
		2505	$done->() if $done;
1878	})->prio (1);	2506	})->prio (1);
1879	}	2507	}
1880		2508
1881	=item $player_object->enter_exit ($exit_object)	2509	=item $player_object->enter_exit ($exit_object)
1882		2510
…		…
1921		2549
1922	$rmp->{random_seed} ||= $exit->random_seed;	2550	$rmp->{random_seed} ||= $exit->random_seed;
1923		2551
1924	my $data = cf::to_json $rmp;	2552	my $data = cf::to_json $rmp;
1925	my $md5 = Digest::MD5::md5_hex $data;	2553	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2554	my $meta = "$RANDOMDIR/$md5.meta";
1927		2555
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2556	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2557	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2558	undef $fh;
1931	aio_rename "$meta~", $meta;	2559	aio_rename "$meta~", $meta;
…		…
1940		2568
1941	return unless $self->type == cf::PLAYER;	2569	return unless $self->type == cf::PLAYER;
1942		2570
1943	if ($exit->slaying eq "/!") {	2571	if ($exit->slaying eq "/!") {
1944	#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
1945	cf::sync_job { prepare_random_map $exit };	2575	cf::sync_job { prepare_random_map $exit };
1946	}	2576	}
1947		2577
1948	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;
1949	my $hp = $exit->stats->hp;	2579	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;	2580	my $sp = $exit->stats->sp;
1951		2581
1952	$self->enter_link;	2582	$self->enter_link;
		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);
1953		2587
1954	(async {	2588	(async {
1955	$self->deactivate_recursive; # just to be sure	2589	$self->deactivate_recursive; # just to be sure
1956	unless (eval {	2590	unless (eval {
1957	$self->goto ($slaying, $hp, $sp);	2591	$self->goto ($slaying, $hp, $sp);
1958		2592
1959	1;	2593	1;
1960	}) {	2594	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2595	$self->message ("Something went wrong deep within the crossfire server. "
1962	. "I'll try to bring you back to the map you were before. "	2596	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2597	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2598	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2599
1966	warn "ERROR in enter_exit: $@";	2600	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2601	$self->leave_link;
1968	}	2602	}
1969	})->prio (1);	2603	})->prio (1);
…		…
1982		2616
1983	sub cf::client::send_drawinfo {	2617	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2618	my ($self, $text, $flags) = @_;
1985		2619
1986	utf8::encode $text;	2620	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2621	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2622	}
1989		2623
		2624	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2625
		2626	Send a drawinfo or msg packet to the client, formatting the msg for the
		2627	client if neccessary. C<$type> should be a string identifying the type of
		2628	the message, with C<log> being the default. If C<$color> is negative, suppress
		2629	the message unless the client supports the msg packet.
		2630
		2631	=cut
		2632
		2633	our %CHANNEL = (
		2634	"c/identify" => {
		2635	id => "identify",
		2636	title => "Identify",
		2637	reply => undef,
		2638	tooltip => "Items recently identified",
		2639	},
		2640	"c/examine" => {
		2641	id => "examine",
		2642	title => "Examine",
		2643	reply => undef,
		2644	tooltip => "Signs and other items you examined",
		2645	},
		2646	);
		2647
		2648	sub cf::client::send_msg {
		2649	my ($self, $channel, $msg, $color, @extra) = @_;
		2650
		2651	$msg = $self->pl->expand_cfpod ($msg);
		2652
		2653	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2654
		2655	# check predefined channels, for the benefit of C
		2656	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2657
		2658	if (ref $channel) {
		2659	# send meta info to client, if not yet sent
		2660	unless (exists $self->{channel}{$channel->{id}}) {
		2661	$self->{channel}{$channel->{id}} = $channel;
		2662	$self->ext_msg (channel_info => $channel)
		2663	if $self->can_msg;
		2664	}
		2665
		2666	$channel = $channel->{id};
		2667	}
		2668
		2669	return unless @extra || length $msg;
		2670
		2671	if ($self->can_msg) {
		2672	# default colour, mask it out
		2673	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2674	if $color & cf::NDI_DEF;
		2675
		2676	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2677	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2678	} else {
		2679	if ($color >= 0) {
		2680	# replace some tags by gcfclient-compatible ones
		2681	for ($msg) {
		2682	1 while
		2683	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2684	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2685	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2686	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2687	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2688	}
		2689
		2690	$color &= cf::NDI_COLOR_MASK;
		2691
		2692	utf8::encode $msg;
		2693
		2694	if (0 && $msg =~ /\[/) {
		2695	# COMMAND/INFO
		2696	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2697	} else {
		2698	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2699	$self->send_packet ("drawinfo $color $msg")
		2700	}
		2701	}
		2702	}
		2703	}
		2704
		2705	=item $client->ext_msg ($type, @msg)
		2706
		2707	Sends an ext event to the client.
		2708
		2709	=cut
		2710
		2711	sub cf::client::ext_msg($$@) {
		2712	my ($self, $type, @msg) = @_;
		2713
		2714	if ($self->extcmd == 2) {
		2715	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2716	} elsif ($self->extcmd == 1) { # TODO: remove
		2717	push @msg, msgtype => "event_$type";
		2718	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2719	}
		2720	}
		2721
		2722	=item $client->ext_reply ($msgid, @msg)
		2723
		2724	Sends an ext reply to the client.
		2725
		2726	=cut
		2727
		2728	sub cf::client::ext_reply($$@) {
		2729	my ($self, $id, @msg) = @_;
		2730
		2731	if ($self->extcmd == 2) {
		2732	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2733	} elsif ($self->extcmd == 1) {
		2734	#TODO: version 1, remove
		2735	unshift @msg, msgtype => "reply", msgid => $id;
		2736	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2737	}
		2738	}
1990		2739
1991	=item $success = $client->query ($flags, "text", \&cb)	2740	=item $success = $client->query ($flags, "text", \&cb)
1992		2741
1993	Queues a query to the client, calling the given callback with	2742	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2743	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2744	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		2745
1997	Queries can fail, so check the return code. Or don't, as queries will become	2746	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	2747	become reliable at some point in the future.
1999		2748
2000	=cut	2749	=cut
2001		2750
2002	sub cf::client::query {	2751	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	2752	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	2760	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2761	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		2762
2014	$self->send_packet ($self->{query_queue}[0][0])	2763	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	2764	if @{ $self->{query_queue} } == 1;
		2765
		2766	1
2016	}	2767	}
2017		2768
2018	cf::client->attach (	2769	cf::client->attach (
		2770	on_connect => sub {
		2771	my ($ns) = @_;
		2772
		2773	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2774	},
2019	on_reply => sub {	2775	on_reply => sub {
2020	my ($ns, $msg) = @_;	2776	my ($ns, $msg) = @_;
2021		2777
2022	# this weird shuffling is so that direct followup queries	2778	# this weird shuffling is so that direct followup queries
2023	# get handled first	2779	# get handled first
…		…
2035	} else {	2791	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2792	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	2793	}
2038	}	2794	}
2039	},	2795	},
		2796	on_exticmd => sub {
		2797	my ($ns, $buf) = @_;
		2798
		2799	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2800
		2801	if (ref $msg) {
		2802	my ($type, $reply, @payload) =
		2803	"ARRAY" eq ref $msg
		2804	? @$msg
		2805	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2806
		2807	my @reply;
		2808
		2809	if (my $cb = $EXTICMD{$type}) {
		2810	@reply = $cb->($ns, @payload);
		2811	}
		2812
		2813	$ns->ext_reply ($reply, @reply)
		2814	if $reply;
		2815
		2816	} else {
		2817	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2818	}
		2819
		2820	cf::override;
		2821	},
2040	);	2822	);
2041		2823
2042	=item $client->async (\&cb)	2824	=item $client->async (\&cb)
2043		2825
2044	Create a new coroutine, running the specified callback. The coroutine will	2826	Create a new coroutine, running the specified callback. The coroutine will
…		…
2085	our $safe = new Safe "safe";	2867	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	2868	our $safe_hole = new Safe::Hole;
2087		2869
2088	$SIG{FPE} = 'IGNORE';	2870	$SIG{FPE} = 'IGNORE';
2089		2871
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2872	$safe->permit_only (Opcode::opset qw(
		2873	:base_core :base_mem :base_orig :base_math
		2874	grepstart grepwhile mapstart mapwhile
		2875	sort time
		2876	));
2091		2877
2092	# here we export the classes and methods available to script code	2878	# here we export the classes and methods available to script code
2093		2879
2094	=pod	2880	=pod
2095		2881
2096	The following fucntions and emthods are available within a safe environment:	2882	The following functions and methods are available within a safe environment:
2097		2883
2098	cf::object contr pay_amount pay_player map	2884	cf::object
		2885	contr pay_amount pay_player map x y force_find force_add
		2886	insert remove name archname title slaying race decrease_ob_nr
		2887
2099	cf::object::player player	2888	cf::object::player
2100	cf::player peaceful	2889	player
2101	cf::map trigger	2890
		2891	cf::player
		2892	peaceful
		2893
		2894	cf::map
		2895	trigger
2102		2896
2103	=cut	2897	=cut
2104		2898
2105	for (	2899	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	2900	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2901	insert remove inv name archname title slaying race
		2902	decrease_ob_nr)],
2107	["cf::object::player" => qw(player)],	2903	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	2904	["cf::player" => qw(peaceful)],
2109	["cf::map" => qw(trigger)],	2905	["cf::map" => qw(trigger)],
2110	) {	2906	) {
2111	no strict 'refs';	2907	no strict 'refs';
…		…
2182	=back	2978	=back
2183		2979
2184	=cut	2980	=cut
2185		2981
2186	#############################################################################	2982	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257
2258	#############################################################################
2259	# the server's init and main functions	2983	# the server's init and main functions
2260		2984
2261	sub load_resources {	2985	sub load_facedata($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2986	my ($path) = @_;
		2987
		2988	# HACK to clear player env face cache, we need some signal framework
		2989	# for this (global event?)
		2990	%ext::player_env::MUSIC_FACE_CACHE = ();
		2991
		2992	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2993
		2994	warn "loading facedata from $path\n";
		2995
		2996	my $facedata;
		2997	0 < aio_load $path, $facedata
		2998	or die "$path: $!";
		2999
		3000	$facedata = Coro::Storable::thaw $facedata;
		3001
		3002	$facedata->{version} == 2
		3003	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3004
		3005	# patch in the exptable
		3006	$facedata->{resource}{"res/exp_table"} = {
		3007	type => FT_RSRC,
		3008	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3009	};
		3010	cf::cede_to_tick;
		3011
		3012	{
		3013	my $faces = $facedata->{faceinfo};
		3014
		3015	while (my ($face, $info) = each %$faces) {
		3016	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3017	cf::face::set_visibility $idx, $info->{visibility};
		3018	cf::face::set_magicmap $idx, $info->{magicmap};
		3019	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3020	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3021
		3022	cf::cede_to_tick;
		3023	}
		3024
		3025	while (my ($face, $info) = each %$faces) {
		3026	next unless $info->{smooth};
		3027	my $idx = cf::face::find $face
		3028	or next;
		3029	if (my $smooth = cf::face::find $info->{smooth}) {
		3030	cf::face::set_smooth $idx, $smooth;
		3031	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3032	} else {
		3033	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3034	}
		3035
		3036	cf::cede_to_tick;
		3037	}
		3038	}
		3039
		3040	{
		3041	my $anims = $facedata->{animinfo};
		3042
		3043	while (my ($anim, $info) = each %$anims) {
		3044	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3045	cf::cede_to_tick;
		3046	}
		3047
		3048	cf::anim::invalidate_all; # d'oh
		3049	}
		3050
		3051	{
		3052	# TODO: for gcfclient pleasure, we should give resources
		3053	# that gcfclient doesn't grok a >10000 face index.
		3054	my $res = $facedata->{resource};
		3055
		3056	my $soundconf = delete $res->{"res/sound.conf"};
		3057
		3058	while (my ($name, $info) = each %$res) {
		3059	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3060	my $data;
		3061
		3062	if ($info->{type} & 1) {
		3063	# prepend meta info
		3064
		3065	my $meta = $enc->encode ({
		3066	name => $name,
		3067	%{ $info->{meta} || {} },
		3068	});
		3069
		3070	$data = pack "(w/a*)*", $meta, $info->{data};
		3071	} else {
		3072	$data = $info->{data};
		3073	}
		3074
		3075	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3076	cf::face::set_type $idx, $info->{type};
		3077
		3078	cf::cede_to_tick;
		3079	}
		3080
		3081	if ($soundconf) {
		3082	$soundconf = $enc->decode (delete $soundconf->{data});
		3083
		3084	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3085	my $sound = $soundconf->{compat}[$_]
		3086	or next;
		3087
		3088	my $face = cf::face::find "sound/$sound->[1]";
		3089	cf::sound::set $sound->[0] => $face;
		3090	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3091	}
		3092
		3093	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3094	my $face = cf::face::find "sound/$v";
		3095	cf::sound::set $k => $face;
		3096	}
		3097	}
		3098	}
		3099
		3100	1
		3101	}
		3102
		3103	register_exticmd fx_want => sub {
		3104	my ($ns, $want) = @_;
		3105
		3106	while (my ($k, $v) = each %$want) {
		3107	$ns->fx_want ($k, $v);
		3108	}
		3109	};
		3110
		3111	sub reload_regions {
		3112	# HACK to clear player env face cache, we need some signal framework
		3113	# for this (global event?)
		3114	%ext::player_env::MUSIC_FACE_CACHE = ();
		3115
		3116	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3117	or die "unable to load regions file\n";
2264	}
2265		3118
2266	sub cfg_load {	3119	for (cf::region::list) {
		3120	$_->{match} = qr/$_->{match}/
		3121	if exists $_->{match};
		3122	}
		3123	}
		3124
		3125	sub reload_facedata {
		3126	load_facedata "$DATADIR/facedata"
		3127	or die "unable to load facedata\n";
		3128	}
		3129
		3130	sub reload_archetypes {
		3131	load_resource_file "$DATADIR/archetypes"
		3132	or die "unable to load archetypes\n";
		3133	#d# NEED to laod twice to resolve forward references
		3134	# this really needs to be done in an extra post-pass
		3135	# (which needs to be synchronous, so solve it differently)
		3136	load_resource_file "$DATADIR/archetypes"
		3137	or die "unable to load archetypes\n";
		3138	}
		3139
		3140	sub reload_treasures {
		3141	load_resource_file "$DATADIR/treasures"
		3142	or die "unable to load treasurelists\n";
		3143	}
		3144
		3145	sub reload_resources {
		3146	warn "reloading resource files...\n";
		3147
		3148	reload_regions;
		3149	reload_facedata;
		3150	#reload_archetypes;#d#
		3151	reload_archetypes;
		3152	reload_treasures;
		3153
		3154	warn "finished reloading resource files\n";
		3155	}
		3156
		3157	sub init {
		3158	reload_resources;
		3159	}
		3160
		3161	sub reload_config {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3162	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	3163	or return;
2269		3164
2270	local $/;	3165	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	3166	*CFG = YAML::Syck::Load <$fh>;
2272		3167
…		…
2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3175	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2281	and die "WARNING: m(un)lockall failed: $!\n";	3176	and die "WARNING: m(un)lockall failed: $!\n";
2282	};	3177	};
2283	warn $@ if $@;	3178	warn $@ if $@;
2284	}	3179	}
2285	}
2286
2287	sub init {
2288	load_resources;
2289	}	3180	}
2290		3181
2291	sub main {	3182	sub main {
2292	# we must not ever block the main coroutine	3183	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3184	local $Coro::idle = sub {
…		…
2295	(async {	3186	(async {
2296	Event::one_event;	3187	Event::one_event;
2297	})->prio (Coro::PRIO_MAX);	3188	})->prio (Coro::PRIO_MAX);
2298	};	3189	};
2299		3190
2300	cfg_load;	3191	reload_config;
2301	db_init;	3192	db_init;
2302	load_extensions;	3193	load_extensions;
2303		3194
2304	$TICK_WATCHER->start;	3195	$TICK_WATCHER->start;
2305	Event::loop;	3196	Event::loop;
…		…
2321	},	3212	},
2322	);	3213	);
2323	}	3214	}
2324	}	3215	}
2325		3216
		3217	sub write_runtime {
		3218	my $runtime = "$LOCALDIR/runtime";
		3219
		3220	# first touch the runtime file to show we are still running:
		3221	# the fsync below can take a very very long time.
		3222
		3223	IO::AIO::aio_utime $runtime, undef, undef;
		3224
		3225	my $guard = cf::lock_acquire "write_runtime";
		3226
		3227	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3228	or return;
		3229
		3230	my $value = $cf::RUNTIME + 90 + 10;
		3231	# 10 is the runtime save interval, for a monotonic clock
		3232	# 60 allows for the watchdog to kill the server.
		3233
		3234	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3235	and return;
		3236
		3237	# always fsync - this file is important
		3238	aio_fsync $fh
		3239	and return;
		3240
		3241	# touch it again to show we are up-to-date
		3242	aio_utime $fh, undef, undef;
		3243
		3244	close $fh
		3245	or return;
		3246
		3247	aio_rename "$runtime~", $runtime
		3248	and return;
		3249
		3250	warn "runtime file written.\n";
		3251
		3252	1
		3253	}
		3254
2326	sub emergency_save() {	3255	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	3256	my $freeze_guard = cf::freeze_mainloop;
2328		3257
2329	warn "enter emergency perl save\n";	3258	warn "enter emergency perl save\n";
2330		3259
…		…
2361		3290
2362	warn Carp::longmess "post_cleanup backtrace"	3291	warn Carp::longmess "post_cleanup backtrace"
2363	if $make_core;	3292	if $make_core;
2364	}	3293	}
2365		3294
2366	sub reload() {	3295	sub do_reload_perl() {
2367	# can/must only be called in main	3296	# can/must only be called in main
2368	if ($Coro::current != $Coro::main) {	3297	if ($Coro::current != $Coro::main) {
2369	warn "can only reload from main coroutine";	3298	warn "can only reload from main coroutine";
2370	return;	3299	return;
2371	}	3300	}
2372		3301
2373	warn "reloading...";	3302	warn "reloading...";
2374		3303
2375	warn "entering sync_job";	3304	warn "entering sync_job";
2376		3305
2377	sync_job {	3306	cf::sync_job {
2378	write_runtime;	3307	cf::write_runtime; # external watchdog should not bark
2379	cf::emergency_save;	3308	cf::emergency_save;
2380	write_runtime;	3309	cf::write_runtime; # external watchdog should not bark
2381		3310
2382	warn "syncing database to disk";	3311	warn "syncing database to disk";
2383	BDB::db_env_txn_checkpoint $DB_ENV;	3312	BDB::db_env_txn_checkpoint $DB_ENV;
2384		3313
2385	# if anything goes wrong in here, we should simply crash as we already saved	3314	# if anything goes wrong in here, we should simply crash as we already saved
…		…
2396	Coro::cede;	3325	Coro::cede;
2397	last unless IO::AIO::nreqs || BDB::nreqs;	3326	last unless IO::AIO::nreqs || BDB::nreqs;
2398	warn "iterate...";	3327	warn "iterate...";
2399	}	3328	}
2400		3329
		3330	++$RELOAD;
		3331
2401	warn "cancelling all extension coros";	3332	warn "cancelling all extension coros";
2402	$_->cancel for values %EXT_CORO;	3333	$_->cancel for values %EXT_CORO;
2403	%EXT_CORO = ();	3334	%EXT_CORO = ();
2404		3335
2405	warn "removing commands";	3336	warn "removing commands";
2406	%COMMAND = ();	3337	%COMMAND = ();
2407		3338
2408	warn "removing ext commands";	3339	warn "removing ext/exti commands";
2409	%EXTCMD = ();	3340	%EXTCMD = ();
		3341	%EXTICMD = ();
2410		3342
2411	warn "unloading/nuking all extensions";	3343	warn "unloading/nuking all extensions";
2412	for my $pkg (@EXTS) {	3344	for my $pkg (@EXTS) {
2413	warn "... unloading $pkg";	3345	warn "... unloading $pkg";
2414		3346
…		…
2444	Symbol::delete_package "safe::$_"	3376	Symbol::delete_package "safe::$_"
2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2446		3378
2447	warn "unloading cf.pm \"a bit\"";	3379	warn "unloading cf.pm \"a bit\"";
2448	delete $INC{"cf.pm"};	3380	delete $INC{"cf.pm"};
		3381	delete $INC{"cf/pod.pm"};
2449		3382
2450	# don't, removes xs symbols, too,	3383	# don't, removes xs symbols, too,
2451	# and global variables created in xs	3384	# and global variables created in xs
2452	#Symbol::delete_package __PACKAGE__;	3385	#Symbol::delete_package __PACKAGE__;
2453		3386
…		…
2456	warn "reloading cf.pm";	3389	warn "reloading cf.pm";
2457	require cf;	3390	require cf;
2458	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2459		3392
2460	warn "loading config and database again";	3393	warn "loading config and database again";
2461	cf::cfg_load;	3394	cf::reload_config;
2462		3395
2463	warn "loading extensions";	3396	warn "loading extensions";
2464	cf::load_extensions;	3397	cf::load_extensions;
2465		3398
2466	warn "reattaching attachments to objects/players";	3399	warn "reattaching attachments to objects/players";
2467	_global_reattach;	3400	_global_reattach; # objects, sockets
2468	warn "reattaching attachments to maps";	3401	warn "reattaching attachments to maps";
2469	reattach $_ for values %MAP;	3402	reattach $_ for values %MAP;
2470		3403	warn "reattaching attachments to players";
2471	warn "loading reloadable resources";	3404	reattach $_ for values %PLAYER;
2472	load_resources;
2473		3405
2474	warn "leaving sync_job";	3406	warn "leaving sync_job";
2475		3407
2476	1	3408	1
2477	} or do {	3409	} or do {
…		…
2483	warn "reloaded";	3415	warn "reloaded";
2484	};	3416	};
2485		3417
2486	our $RELOAD_WATCHER; # used only during reload	3418	our $RELOAD_WATCHER; # used only during reload
2487		3419
		3420	sub reload_perl() {
		3421	# doing reload synchronously and two reloads happen back-to-back,
		3422	# coro crashes during coro_state_free->destroy here.
		3423
		3424	$RELOAD_WATCHER ||= Event->timer (
		3425	reentrant => 0,
		3426	after => 0,
		3427	data => WF_AUTOCANCEL,
		3428	cb => sub {
		3429	do_reload_perl;
		3430	undef $RELOAD_WATCHER;
		3431	},
		3432	);
		3433	}
		3434
2488	register_command "reload" => sub {	3435	register_command "reload" => sub {
2489	my ($who, $arg) = @_;	3436	my ($who, $arg) = @_;
2490		3437
2491	if ($who->flag (FLAG_WIZ)) {	3438	if ($who->flag (FLAG_WIZ)) {
2492	$who->message ("reloading server.");	3439	$who->message ("reloading server.");
2493		3440	async { reload_perl };
2494	# doing reload synchronously and two reloads happen back-to-back,
2495	# coro crashes during coro_state_free->destroy here.
2496
2497	$RELOAD_WATCHER ||= Event->timer (
2498	reentrant => 0,
2499	after => 0,
2500	data => WF_AUTOCANCEL,
2501	cb => sub {
2502	reload;
2503	undef $RELOAD_WATCHER;
2504	},
2505	);
2506	}	3441	}
2507	};	3442	};
2508		3443
2509	unshift @INC, $LIBDIR;	3444	unshift @INC, $LIBDIR;
2510		3445
2511	my $bug_warning = 0;	3446	my $bug_warning = 0;
		3447
		3448	our @WAIT_FOR_TICK;
		3449	our @WAIT_FOR_TICK_BEGIN;
		3450
		3451	sub wait_for_tick {
		3452	return unless $TICK_WATCHER->is_active;
		3453	return if $Coro::current == $Coro::main;
		3454
		3455	my $signal = new Coro::Signal;
		3456	push @WAIT_FOR_TICK, $signal;
		3457	$signal->wait;
		3458	}
		3459
		3460	sub wait_for_tick_begin {
		3461	return unless $TICK_WATCHER->is_active;
		3462	return if $Coro::current == $Coro::main;
		3463
		3464	my $signal = new Coro::Signal;
		3465	push @WAIT_FOR_TICK_BEGIN, $signal;
		3466	$signal->wait;
		3467	}
2512		3468
2513	$TICK_WATCHER = Event->timer (	3469	$TICK_WATCHER = Event->timer (
2514	reentrant => 0,	3470	reentrant => 0,
2515	parked => 1,	3471	parked => 1,
2516	prio => 0,	3472	prio => 0,
…		…
2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3477	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2522	unless ++$bug_warning > 10;	3478	unless ++$bug_warning > 10;
2523	return;	3479	return;
2524	}	3480	}
2525		3481
2526	$NOW = Event::time;	3482	$NOW = $tick_start = Event::time;
2527		3483
2528	cf::server_tick; # one server iteration	3484	cf::server_tick; # one server iteration
		3485
2529	$RUNTIME += $TICK;	3486	$RUNTIME += $TICK;
2530	$NEXT_TICK += $TICK;	3487	$NEXT_TICK += $TICK;
2531		3488
2532	$WAIT_FOR_TICK->broadcast;	3489	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2533	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3490	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3491	Coro::async_pool {
		3492	write_runtime
		3493	or warn "ERROR: unable to write runtime file: $!";
		3494	};
		3495	}
2534		3496
2535	# my $AFTER = Event::time;	3497	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2536	# warn $AFTER - $NOW;#d#	3498	$sig->send;
		3499	}
		3500	while (my $sig = shift @WAIT_FOR_TICK) {
		3501	$sig->send;
		3502	}
		3503
		3504	$NOW = Event::time;
2537		3505
2538	# if we are delayed by four ticks or more, skip them all	3506	# if we are delayed by four ticks or more, skip them all
2539	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3507	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2540		3508
2541	$TICK_WATCHER->at ($NEXT_TICK);	3509	$TICK_WATCHER->at ($NEXT_TICK);
2542	$TICK_WATCHER->start;	3510	$TICK_WATCHER->start;
		3511
		3512	$LOAD = ($NOW - $tick_start) / $TICK;
		3513	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3514
		3515	_post_tick;
2543	},	3516	},
2544	);	3517	);
2545		3518
2546	{	3519	{
		3520	BDB::min_parallel 8;
2547	BDB::max_poll_time $TICK * 0.1;	3521	BDB::max_poll_time $TICK * 0.1;
2548	$BDB_POLL_WATCHER = Event->io (	3522	$BDB_POLL_WATCHER = Event->io (
2549	reentrant => 0,	3523	reentrant => 0,
2550	fd => BDB::poll_fileno,	3524	fd => BDB::poll_fileno,
2551	poll => 'r',	3525	poll => 'r',
2552	prio => 0,	3526	prio => 0,
2553	data => WF_AUTOCANCEL,	3527	data => WF_AUTOCANCEL,
2554	cb => \&BDB::poll_cb,	3528	cb => \&BDB::poll_cb,
2555	);	3529	);
2556	BDB::min_parallel 8;
2557		3530
2558	BDB::set_sync_prepare {	3531	BDB::set_sync_prepare {
2559	my $status;	3532	my $status;
2560	my $current = $Coro::current;	3533	my $current = $Coro::current;
2561	(	3534	(
…		…
2570	)	3543	)
2571	};	3544	};
2572		3545
2573	unless ($DB_ENV) {	3546	unless ($DB_ENV) {
2574	$DB_ENV = BDB::db_env_create;	3547	$DB_ENV = BDB::db_env_create;
		3548	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3549	| BDB::LOG_AUTOREMOVE, 1);
		3550	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3551	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2575		3552
2576	cf::sync_job {	3553	cf::sync_job {
2577	eval {	3554	eval {
2578	BDB::db_env_open	3555	BDB::db_env_open
2579	$DB_ENV,	3556	$DB_ENV,
2580	$BDB_ENV_DIR,	3557	$BDBDIR,
2581	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3558	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2582	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3559	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2583	0666;	3560	0666;
2584		3561
2585	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3562	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2586
2587	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2588	$DB_ENV->set_lk_detect;
2589	};	3563	};
2590		3564
2591	cf::cleanup "db_env_open(db): $@" if $@;	3565	cf::cleanup "db_env_open(db): $@" if $@;
2592	};	3566	};
2593	}	3567	}
		3568
		3569	$BDB_DEADLOCK_WATCHER = Event->timer (
		3570	after => 3,
		3571	interval => 1,
		3572	hard => 1,
		3573	prio => 0,
		3574	data => WF_AUTOCANCEL,
		3575	cb => sub {
		3576	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3577	},
		3578	);
		3579	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3580	after => 11,
		3581	interval => 60,
		3582	hard => 1,
		3583	prio => 0,
		3584	data => WF_AUTOCANCEL,
		3585	cb => sub {
		3586	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3587	},
		3588	);
		3589	$BDB_TRICKLE_WATCHER = Event->timer (
		3590	after => 5,
		3591	interval => 10,
		3592	hard => 1,
		3593	prio => 0,
		3594	data => WF_AUTOCANCEL,
		3595	cb => sub {
		3596	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3597	},
		3598	);
2594	}	3599	}
2595		3600
2596	{	3601	{
2597	IO::AIO::min_parallel 8;	3602	IO::AIO::min_parallel 8;
2598		3603
2599	undef $Coro::AIO::WATCHER;	3604	undef $Coro::AIO::WATCHER;
2600	IO::AIO::max_poll_time $TICK * 0.1;	3605	IO::AIO::max_poll_time $TICK * 0.1;
2601	$AIO_POLL_WATCHER = Event->io (	3606	$AIO_POLL_WATCHER = Event->io (
2602	reentrant => 0,	3607	reentrant => 0,
		3608	data => WF_AUTOCANCEL,
2603	fd => IO::AIO::poll_fileno,	3609	fd => IO::AIO::poll_fileno,
2604	poll => 'r',	3610	poll => 'r',
2605	prio => 6,	3611	prio => 6,
2606	data => WF_AUTOCANCEL,
2607	cb => \&IO::AIO::poll_cb,	3612	cb => \&IO::AIO::poll_cb,
2608	);	3613	);
2609	}	3614	}
2610		3615
2611	$WRITE_RUNTIME_WATCHER = Event->timer (	3616	my $_log_backtrace;
2612	reentrant => 0,
2613	data => WF_AUTOCANCEL,
2614	parked => 1,
2615	after => 1,
2616	interval => 10,
2617	prio => 6, # keep it lowest so it acts like a watchdog
2618	cb => sub {
2619	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
2620		3617
2621	Coro::async_pool {	3618	sub _log_backtrace {
2622	write_runtime	3619	my ($msg, @addr) = @_;
2623	or warn "ERROR: unable to write runtime file: $!";	3620
		3621	$msg =~ s/\n//;
		3622
		3623	# limit the # of concurrent backtraces
		3624	if ($_log_backtrace < 2) {
		3625	++$_log_backtrace;
		3626	async {
		3627	my @bt = fork_call {
		3628	@addr = map { sprintf "%x", $_ } @addr;
		3629	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3630	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3631	or die "addr2line: $!";
		3632
		3633	my @funcs;
		3634	my @res = <$fh>;
		3635	chomp for @res;
		3636	while (@res) {
		3637	my ($func, $line) = splice @res, 0, 2, ();
		3638	push @funcs, "[$func] $line";
		3639	}
		3640
		3641	@funcs
		3642	};
		3643
		3644	LOG llevInfo, "[ABT] $msg\n";
		3645	LOG llevInfo, "[ABT] $_\n" for @bt;
		3646	--$_log_backtrace;
2624	};	3647	};
		3648	} else {
		3649	LOG llevInfo, "[ABT] $msg\n";
		3650	LOG llevInfo, "[ABT] [suppressed]\n";
2625	},	3651	}
2626	);	3652	}
		3653
		3654	# load additional modules
		3655	use cf::pod;
2627		3656
2628	END { cf::emergency_save }	3657	END { cf::emergency_save }
2629		3658
2630	1	3659	1
2631		3660

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