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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC vs.
Revision 1.381 by root, Mon Oct 8 18:19:39 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 4.1 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
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;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
26	use Time::HiRes;	33	use Time::HiRes;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
37		47
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
40	our %COMMAND = ();	52	our %COMMAND = ();
41	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
42		54
43	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
47		60
		61	our $RELOAD; # number of reloads so far
48	our @EVENT;	62	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		63
51	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52	our $TICK_WATCHER;	77	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
54	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	80	our $NEXT_TICK;
56	our $NOW;	81	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		83
59	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	88	our $DB_ENV;
61		89
62	our %CFG;	90	our %CFG;
63		91
64	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	93	our $RUNTIME;
66		94
67	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		98
76	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
79	binmode STDOUT;	106	binmode STDOUT;
80	binmode STDERR;	107	binmode STDERR;
81		108
82	# read virtual server time, if available	109	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
87	}	114	}
88		115
89	mkdir cf::localdir;	116	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		118
96	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
97		120
98	sub cf::map::normalise;	121	sub cf::map::normalise;
99		122
…		…
110	=item $cf::RUNTIME	133	=item $cf::RUNTIME
111		134
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	136	every server tick.
114		137
115	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		141
117	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
119		146
120	=item $cf::NOW	147	=item $cf::NOW
121		148
122	The time of the last (current) server tick.	149	The time of the last (current) server tick.
123		150
124	=item $cf::TICK	151	=item $cf::TICK
125		152
126	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
127		164
128	=item %cf::CFG	165	=item %cf::CFG
129		166
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	168	from wherever your confdir points to.
132		169
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		171
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
139		181
140	=back	182	=back
141		183
142	=cut	184	=cut
143		185
144	BEGIN {	186	BEGIN {
145	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	188	my $msg = join "", @_;
147	utf8::encode $msg;
148		189
149	$msg .= "\n"	190	$msg .= "\n"
150	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
151		194
152	LOG llevError, $msg;	195	LOG llevError, $msg;
153	};	196	};
154	}	197	}
155		198
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		206
163	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	208	# within the Safe compartment.
165	for my $pkg (qw(	209	for my $pkg (qw(
166	cf::global cf::attachable	210	cf::global cf::attachable
…		…
174	}	218	}
175		219
176	$Event::DIED = sub {	220	$Event::DIED = sub {
177	warn "error in event callback: @_";	221	warn "error in event callback: @_";
178	};	222	};
		223
		224	#############################################################################
179		225
180	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
181		227
182	=over 4	228	=over 4
183		229
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	249	$d
204	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
205	}	251	}
206		252
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
210		254
211	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
212		256
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
221		258
222	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
223		260
224	=cut	261	=cut
225		262
226	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
228	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
230		267
231	=item cf::lock_wait $string	268	=item cf::lock_wait $string
232		269
233	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
234		271
…		…
237	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
240	returned.	277	returned.
241		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
242	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
244		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
245	=cut	289	=cut
246		290
247	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
248		293
249	sub lock_wait($) {	294	sub lock_wait($) {
250	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
251		301
252	# wait for lock, if any	302	# wait for lock, if any
253	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	305	Coro::schedule;
…		…
261		311
262	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
263	lock_wait $key;	313	lock_wait $key;
264		314
265	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
266		317
267	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
270	}	322	}
271	}	323	}
272		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
273	sub freeze_mainloop {	331	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
275		333
276	my $guard = Coro::guard {	334	my $guard = Coro::guard {
277	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
278	$WRITE_RUNTIME_WATCHER->start;
279	};	336	};
280	$WRITE_RUNTIME_WATCHER->stop;
281	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
282	$guard	338	$guard
		339	}
		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
283	}	397	}
284		398
285	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
286		400
287	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		406
293	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
294		408
295	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
296		410
297	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
300		415
301	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
304	fast or be very important.	419	fast or be very important.
…		…
307		422
308	sub sync_job(&) {	423	sub sync_job(&) {
309	my ($job) = @_;	424	my ($job) = @_;
310		425
311	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
312	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
314		431
		432	LOG llevError | logBacktrace, Carp::longmess "sync job";#d#
		433
315	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	435	# (but this is cancel-safe)
317	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
318		437
319	my $busy = 1;	438	my $busy = 1;
320	my @res;	439	my @res;
321		440
322	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	443	@res = eval { $job->() };
324	warn $@ if $@;	444	warn $@ if $@;
325	undef $busy;	445	undef $busy;
326	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
327		447
328	while ($busy) {	448	while ($busy) {
329	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
330	}	450	}
		451
		452	$time = Event::time - $time;
		453
		454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		456
		457	$tick_start += $time; # do not account sync jobs to server load
331		458
332	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
333	} else {	460	} else {
334	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
335		462
…		…
355	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
356		483
357	$coro	484	$coro
358	}	485	}
359		486
360	sub write_runtime {	487	=item fork_call { }, $args
361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362		488
363	my $runtime = cf::localdir . "/runtime";	489	Executes the given code block with the given arguments in a seperate
		490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
364		493
365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	494	=cut
366	or return;
367		495
368	my $value = $cf::RUNTIME + 90 + 10;	496	sub fork_call(&@) {
369	# 10 is the runtime save interval, for a monotonic clock	497	my ($cb, @args) = @_;
370	# 60 allows for the watchdog to kill the server.
371		498
372	(aio_write $fh, 0, (length $value), $value, 0) <= 0	499	# we seemingly have to make a local copy of the whole thing,
373	and return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
374		502
375	# always fsync - this file is important	503	my @res = Coro::Util::fork_eval {
376	aio_fsync $fh	504	reset_signals;
377	and return;	505	&$cb
		506	}, @args;
378		507
379	close $fh	508	wantarray ? @res : $res[-1]
380	or return;	509	}
381		510
382	aio_rename "$runtime~", $runtime	511	=item $value = cf::db_get $family => $key
383	and return;
384		512
		513	Returns a single value from the environment database.
		514
		515	=item cf::db_put $family => $key => $value
		516
		517	Stores the given C<$value> in the family. It can currently store binary
		518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		519
		520	=item $db = cf::db_table "name"
		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
385	1	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
		636	}
		637
		638	=item cf::datalog type => key => value, ...
		639
		640	Log a datalog packet of the given type with the given key-value pairs.
		641
		642	=cut
		643
		644	sub datalog($@) {
		645	my ($type, %kv) = @_;
		646	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
386	}	647	}
387		648
388	=back	649	=back
389		650
390	=cut	651	=cut
…		…
397	attach callbacks/event handlers (a collection of which is called an "attachment")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
398	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
399		660
400	In the following description, CLASS can be any of C<global>, C<object>	661	In the following description, CLASS can be any of C<global>, C<object>
401	C<player>, C<client> or C<map> (i.e. the attachable objects in	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
402	crossfire+).	663	Crossfire TRT).
403		664
404	=over 4	665	=over 4
405		666
406	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
407		668
…		…
570	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
571		832
572	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
573	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
574	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
575	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
576		837
577	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
578	my $pkg = shift @arg;	839	my $pkg = shift @arg;
579		840
580	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
609	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
610	}	871	}
611		872
612	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
613	} else {	874	} else {
614	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
615	}	876	}
616		877
617	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
618	}	879	}
619		880
…		…
621	if (ref $_[0]) {	882	if (ref $_[0]) {
622	_object_attach @_;	883	_object_attach @_;
623	} else {	884	} else {
624	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
625	}	886	}
		887	_recalc_want;
626	};	888	};
627		889
628	# all those should be optimised	890	# all those should be optimised
629	sub cf::attachable::detach {	891	sub cf::attachable::detach {
630	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
633	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
634	reattach ($obj);	896	reattach ($obj);
635	} else {	897	} else {
636	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
637	}	899	}
		900	_recalc_want;
638	};	901	};
639		902
640	sub cf::attachable::attached {	903	sub cf::attachable::attached {
641	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
642		905
…		…
657	";	920	";
658	die if $@;	921	die if $@;
659	}	922	}
660		923
661	our $override;	924	our $override;
662	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
663		926
664	sub override {	927	sub override {
665	$override = 1;	928	$override = 1;
666	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
667	}	930	}
668		931
669	sub do_invoke {	932	sub do_invoke {
670	my $event = shift;	933	my $event = shift;
671	my $callbacks = shift;	934	my $callbacks = shift;
672		935
673	@invoke_results = ();	936	@INVOKE_RESULTS = ();
674		937
675	local $override;	938	local $override;
676		939
677	for (@$callbacks) {	940	for (@$callbacks) {
678	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
695		958
696	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
697		960
698	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
699	removed in future versions), and there is no public API to access override	962	removed in future versions), and there is no public API to access override
700	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
701		964
702	=back	965	=back
703		966
704	=cut	967	=cut
705		968
706	#############################################################################	969	#############################################################################
707	# object support	970	# object support
		971	#
		972
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	local $Storable::canonical = 1;
		977	my $fob1 = Storable::freeze $ob1;
		978	my $fob2 = Storable::freeze $ob2;
		979
		980	$fob1 eq $fob2
		981	}
708		982
709	sub reattach {	983	sub reattach {
710	# basically do the same as instantiate, without calling instantiate	984	# basically do the same as instantiate, without calling instantiate
711	my ($obj) = @_;	985	my ($obj) = @_;
712		986
…		…
759	sub object_freezer_save {	1033	sub object_freezer_save {
760	my ($filename, $rdata, $objs) = @_;	1034	my ($filename, $rdata, $objs) = @_;
761		1035
762	sync_job {	1036	sync_job {
763	if (length $$rdata) {	1037	if (length $$rdata) {
		1038	utf8::decode (my $decname = $filename);
764	warn sprintf "saving %s (%d,%d)\n",	1039	warn sprintf "saving %s (%d,%d)\n",
765	$filename, length $$rdata, scalar @$objs;	1040	$decname, length $$rdata, scalar @$objs;
766		1041
767	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
768	chmod SAVE_MODE, $fh;	1043	chmod SAVE_MODE, $fh;
769	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
770	aio_fsync $fh if $cf::USE_FSYNC;	1045	aio_fsync $fh if $cf::USE_FSYNC;
771	close $fh;	1046	close $fh;
772		1047
773	if (@$objs) {	1048	if (@$objs) {
774	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
775	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
776	my $data = Storable::nfreeze { version => 1, objs => $objs };	1051	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
777	aio_write $fh, 0, (length $data), $data, 0;	1052	aio_write $fh, 0, (length $data), $data, 0;
778	aio_fsync $fh if $cf::USE_FSYNC;	1053	aio_fsync $fh if $cf::USE_FSYNC;
779	close $fh;	1054	close $fh;
780	aio_rename "$filename.pst~", "$filename.pst";	1055	aio_rename "$filename.pst~", "$filename.pst";
781	}	1056	}
…		…
789	}	1064	}
790	} else {	1065	} else {
791	aio_unlink $filename;	1066	aio_unlink $filename;
792	aio_unlink "$filename.pst";	1067	aio_unlink "$filename.pst";
793	}	1068	}
794
795	#d##TODO# nuke non .map-files if exist
796	if ($filename =~ s/\.map$//) {
797	aio_unlink $filename;
798	aio_unlink "$filename.pst";
799	}
800	}	1069	};
801	}	1070	}
802		1071
803	sub object_freezer_as_string {	1072	sub object_freezer_as_string {
804	my ($rdata, $objs) = @_;	1073	my ($rdata, $objs) = @_;
805		1074
…		…
810		1079
811	sub object_thawer_load {	1080	sub object_thawer_load {
812	my ($filename) = @_;	1081	my ($filename) = @_;
813		1082
814	my ($data, $av);	1083	my ($data, $av);
815
816	#d#TODO remove .map if file does not exist
817	aio_stat $filename and $filename =~ s/\.map$//;
818		1084
819	(aio_load $filename, $data) >= 0	1085	(aio_load $filename, $data) >= 0
820	or return;	1086	or return;
821		1087
822	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
823	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
824	or return;	1090	or return;
825	$av = eval { (Storable::thaw $av)->{objs} };
826	}
827		1091
		1092	my $st = eval { Coro::Storable::thaw $av }
		1093	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1094	$av = $st->{objs};
		1095	}
		1096
		1097	utf8::decode (my $decname = $filename);
828	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
829	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
830	return ($data, $av);	1101	($data, $av)
831	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
832		1109
833	#############################################################################	1110	#############################################################################
834	# command handling &c	1111	# command handling &c
835		1112
836	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
849	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
850	}	1127	}
851		1128
852	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
853		1130
854	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.
855		1136
856	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
857	called.	1138	called.
858		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
859	=cut	1151	=cut
860		1152
861	sub register_extcmd {	1153	sub register_extcmd {
862	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
863		1155
864	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
865	}	1163	}
866		1164
867	cf::player->attach (	1165	cf::player->attach (
868	on_command => sub {	1166	on_command => sub {
869	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
878	cf::override;	1176	cf::override;
879	},	1177	},
880	on_extcmd => sub {	1178	on_extcmd => sub {
881	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
882		1180
883	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
884		1182
885	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
886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
887	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
888	$pl->ext_reply ($msg->{msgid}, %reply);
889	}
890	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
891	} else {	1198	} else {
892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
893	}	1200	}
894		1201
895	cf::override;	1202	cf::override;
896	},	1203	},
897	);	1204	);
898		1205
899	sub load_extension {
900	my ($path) = @_;
901
902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
903	my $base = $1;
904	my $pkg = $1;
905	$pkg =~ s/[^[:word:]]/_/g;
906	$pkg = "ext::$pkg";
907
908	warn "... loading '$path' into '$pkg'\n";
909
910	open my $fh, "<:utf8", $path
911	or die "$path: $!";
912
913	my $source =
914	"package $pkg; use strict; use utf8;\n"
915	. "#line 1 \"$path\"\n{\n"
916	. (do { local $/; <$fh> })
917	. "\n};\n1";
918
919	unless (eval $source) {
920	my $msg = $@ ? "$path: $@\n"
921	: "extension disabled.\n";
922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
923	warn $@;
924	warn "mandatory extension failed to load, exiting.\n";
925	exit 1;
926	}
927	die $@;
928	}
929
930	push @EXTS, $pkg;
931	}
932
933	sub load_extensions {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
934	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
935	next unless -r $ext;	1211	next unless -r $path;
936	eval {	1212
937	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;
938	1	1270	}
939	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
940	}	1276	};
941	}	1277	}
942		1278
943	#############################################################################	1279	#############################################################################
944		1280
		1281	=back
		1282
945	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
946		1284
947	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
948		1286
949	=cut	1287	=cut
…		…
954		1292
955	=head3 cf::player	1293	=head3 cf::player
956		1294
957	=over 4	1295	=over 4
958		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
959	=item cf::player::find $login	1311	=item cf::player::find $login
960		1312
961	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
962		1314
963	=cut	1315	=cut
964		1316
965	sub playerdir($) {	1317	sub playerdir($) {
966	cf::localdir	1318	"$PLAYERDIR/"
967	. "/"
968	. cf::playerdir
969	. "/"
970	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1319	. (ref $_[0] ? $_[0]->ob->name : $_[0])
971	}	1320	}
972		1321
973	sub path($) {	1322	sub path($) {
974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1323	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975		1324
976	(playerdir $login) . "/$login.pl"	1325	(playerdir $login) . "/playerdata"
977	}	1326	}
978		1327
979	sub find_active($) {	1328	sub find_active($) {
980	$cf::PLAYER{$_[0]}	1329	$cf::PLAYER{$_[0]}
981	and $cf::PLAYER{$_[0]}->active	1330	and $cf::PLAYER{$_[0]}->active
…		…
994	my $login = $_[0];	1343	my $login = $_[0];
995		1344
996	my $guard = cf::lock_acquire "user_find:$login";	1345	my $guard = cf::lock_acquire "user_find:$login";
997		1346
998	$cf::PLAYER{$_[0]} || do {	1347	$cf::PLAYER{$_[0]} || do {
999	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
1000	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;
1001	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
1002	}	1363	}
1003	}	1364	}
1004	}	1365	}
1005		1366
…		…
1015		1376
1016	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1017	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1018		1379
1019	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1020	Coro::cede;	1381	cf::cede_to_tick;
1021	}	1382	}
1022		1383
1023	sub new($) {	1384	sub new($) {
1024	my ($login) = @_;	1385	my ($login) = @_;
1025		1386
…		…
1031	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1032		1393
1033	$self	1394	$self
1034	}	1395	}
1035		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
1036	=item $pl->quit_character	1407	=item $pl->quit_character
1037		1408
1038	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
1039	be destroyed. May block for a long time.	1410	be destroyed. May block for a long time.
1040		1411
1041	=cut	1412	=cut
1042		1413
1043	sub quit_character {	1414	sub quit_character {
1044	my ($pl) = @_;	1415	my ($pl) = @_;
		1416
		1417	my $name = $pl->ob->name;
1045		1418
1046	$pl->{deny_save} = 1;	1419	$pl->{deny_save} = 1;
1047	$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
1048		1421
1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1054	my $path = playerdir $pl;	1427	my $path = playerdir $pl;
1055	my $temp = "$path~$cf::RUNTIME~deleting~";	1428	my $temp = "$path~$cf::RUNTIME~deleting~";
1056	aio_rename $path, $temp;	1429	aio_rename $path, $temp;
1057	delete $cf::PLAYER{$pl->ob->name};	1430	delete $cf::PLAYER{$pl->ob->name};
1058	$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
1059	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;
1060	}	1453	}
1061		1454
1062	=item cf::player::list_logins	1455	=item cf::player::list_logins
1063		1456
1064	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
1065	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1066		1459
1067	=cut	1460	=cut
1068		1461
1069	sub list_logins {	1462	sub list_logins {
1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1071	or return [];	1464	or return [];
1072		1465
1073	my @logins;	1466	my @logins;
1074		1467
1075	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") {
1076	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1077	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1078	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1079		1477
1080	utf8::decode $login;	1478	utf8::decode $login;
1081	push @logins, $login;	1479	push @logins, $login;
1082	}	1480	}
1083		1481
…		…
1110	}	1508	}
1111		1509
1112	\@paths	1510	\@paths
1113	}	1511	}
1114		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
1115	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1116		1565
1117	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1118		1567
1119	=cut	1568	=cut
1120		1569
1121	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1122	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1123		1572
1124	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1125
1126	$self->send ("ext " . cf::to_json \%msg);
1127	}	1574	}
1128		1575
1129	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		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	$match
		1615	}
1130		1616
1131	=back	1617	=back
1132
1133		1618
1134	=head3 cf::map	1619	=head3 cf::map
1135		1620
1136	=over 4	1621	=over 4
1137		1622
…		…
1192	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1193		1678
1194	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1195	local $self->{path};	1680	local $self->{path};
1196	local $self->{load_path};	1681	local $self->{load_path};
1197	local $self->{deny_save};
1198	local $self->{deny_reset};
1199		1682
1200	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1201	}	1684	}
1202		1685
1203	sub normalise {	1686	sub normalise {
…		…
1250	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1251	return $self;	1734	return $self;
1252	}	1735	}
1253	}	1736	}
1254		1737
1255	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1256	()	1739	()
1257	}	1740	}
1258		1741
1259	sub init {	1742	sub init {
1260	my ($self) = @_;	1743	my ($self) = @_;
…		…
1275		1758
1276	# the original (read-only) location	1759	# the original (read-only) location
1277	sub load_path {	1760	sub load_path {
1278	my ($self) = @_;	1761	my ($self) = @_;
1279		1762
1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1281	}	1764	}
1282		1765
1283	# the temporary/swap location	1766	# the temporary/swap location
1284	sub save_path {	1767	sub save_path {
1285	my ($self) = @_;	1768	my ($self) = @_;
1286		1769
1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1289	}	1772	}
1290		1773
1291	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1292	sub uniq_path {	1775	sub uniq_path {
1293	my ($self) = @_;	1776	my ($self) = @_;
1294		1777
1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1297	}	1780	}
1298		1781
1299	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1300	# all maps in C++...	1783	# all maps in C++...
1301	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1303		1786
1304	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1305	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1306	}	1789	}
1307		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1308	sub unlink_save {	1799	sub unlink_save {
1309	my ($self) = @_;	1800	my ($self) = @_;
1310		1801
1311	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1804	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315	#d#TODO remove .map and also nuke
1316	$save =~ s/\.map// or return;#d#
1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319	}	1805	}
1320		1806
1321	sub load_header_from($) {	1807	sub load_header_from($) {
1322	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1323		1809
1324	utf8::encode $path;	1810	utf8::encode $path;
1325	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1326	# or return;
1327
1328	$self->_load_header ($path)
1329	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;
1330		1819
1331	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1332		1821
1333	1	1822	1
1334	}	1823	}
…		…
1373	$self->load_header_orig	1862	$self->load_header_orig
1374	or return;	1863	or return;
1375	$self->prepare_orig;	1864	$self->prepare_orig;
1376	}	1865	}
1377		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 $self->default_region;
		1872
1378	1	1873	1
1379	}	1874	}
1380		1875
1381	sub find;	1876	sub find;
1382	sub find {	1877	sub find {
1383	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1384		1879
1385	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1386		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1387	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1388		1884
1389	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1390	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
1391	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1392	or return;	1890	or return;
1393		1891
1394	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1395		1893
1396	$map->load_header	1894	$map->load_header
1397	or return;	1895	or return;
1398		1896
1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1401	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1402	$map->reset;	1902	$map->reset;
1403	undef $guard;
1404	return find $path;	1903	return find $path;
1405	}	1904	}
1406		1905
1407	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1408	}	1907	}
…		…
1415	my ($self) = @_;	1914	my ($self) = @_;
1416		1915
1417	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1418		1917
1419	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1420	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1421		1922
		1923	return unless $self->valid;
1422	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1423		1925
1424	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1425		1927
1426	$self->alloc;	1928	$self->alloc;
1427		1929
1428	$self->pre_load;	1930	$self->pre_load;
		1931	cf::cede_to_tick;
1429		1932
1430	$self->_load_objects ($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)
1431	or return;	1936	or return;
1432		1937
1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1434	if delete $self->{load_original};	1939	if delete $self->{load_original};
1435		1940
1436	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1437	utf8::encode $uniq;	1942	utf8::encode $uniq;
1438	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1439	$self->clear_unique_items;	1945	$self->clear_unique_items;
1440	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1441	}	1949	}
1442	}	1950	}
1443		1951
1444	Coro::cede;	1952	$f->resolve_delayed_derefs;
1445		1953
		1954	cf::cede_to_tick;
1446	# now do the right thing for maps	1955	# now do the right thing for maps
1447	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1448
1449	unless ($self->{deny_activate}) {
1450	$self->decay_objects;
1451	$self->fix_auto_apply;
1452	$self->update_buttons;
1453	Coro::cede;
1454	$self->set_darkness_map;
1455	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1456	unless $self->difficulty;	1958	unless $self->difficulty;
1457	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($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;
1458	$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);
1459	}	1975	}
1460		1976
1461	$self->post_load;	1977	$self->post_load;
1462
1463	$self->in_memory (cf::MAP_IN_MEMORY);
1464	}	1978	}
1465		1979
1466	sub customise_for {	1980	sub customise_for {
1467	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1468		1982
1469	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1470	if $self->per_player;	1984	if $self->per_player;
1471		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1472	$self	1989	$self
1473	}	1990	}
1474		1991
1475	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1476	sub load_diag {	1993	sub load_neighbours {
1477	my ($map) = @_;	1994	my ($map) = @_;
1478		1995
1479	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1480		1997
1481	for (0 .. 3) {	1998	for (0 .. 3) {
1482	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1483	or next;	2000	or next;
1484	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1485	or next;	2002	or next;
1486	$neigh->load;	2003	$neigh->load;
1487		2004
		2005	push @neigh,
1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1490	}	2008	}
1491		2009
1492	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1493	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1494	or next;	2013	or next;
1495	$neigh->load;	2014	$neigh->load;
1496	}	2015	}
1497	}	2016	}
1498		2017
…		…
1503	}	2022	}
1504		2023
1505	sub do_load_sync {	2024	sub do_load_sync {
1506	my ($map) = @_;	2025	my ($map) = @_;
1507		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1508	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1509	}	2031	}
1510		2032
1511	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1512	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1513		2035
1514	sub find_async {	2036	sub find_async {
1515	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1516		2038
1517	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1518		2040
1519	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1521	}	2043	}
1522		2044
1523	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1524	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
		2048	$Coro::current->{desc} = "map prefetcher";
		2049
1525	while (%MAP_PREFETCH) {	2050	while (%MAP_PREFETCH) {
1526	for my $path (keys %MAP_PREFETCH) {	2051	while (my ($k, $v) = each %MAP_PREFETCH) {
1527	my $map = find $path	2052	if (my $map = find $k) {
1528	or next;
1529	$map->load;	2053	$map->load if $v;
		2054	}
1530		2055
1531	delete $MAP_PREFETCH{$path};	2056	delete $MAP_PREFETCH{$k};
1532	}	2057	}
1533	}	2058	}
1534	undef $MAP_PREFETCHER;	2059	undef $MAP_PREFETCHER;
1535	};	2060	};
1536	$MAP_PREFETCHER->prio (6);	2061	$MAP_PREFETCHER->prio (6);
…		…
1539	}	2064	}
1540		2065
1541	sub save {	2066	sub save {
1542	my ($self) = @_;	2067	my ($self) = @_;
1543		2068
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;	2069	my $lock = cf::lock_acquire "map_data:$self->{path}";
1545		2070
1546	$self->{last_save} = $cf::RUNTIME;	2071	$self->{last_save} = $cf::RUNTIME;
1547		2072
1548	return unless $self->dirty;	2073	return unless $self->dirty;
1549		2074
…		…
1555	return if $self->{deny_save};	2080	return if $self->{deny_save};
1556		2081
1557	local $self->{last_access} = $self->last_access;#d#	2082	local $self->{last_access} = $self->last_access;#d#
1558		2083
1559	cf::async {	2084	cf::async {
		2085	$Coro::current->{desc} = "map player save";
1560	$_->contr->save for $self->players;	2086	$_->contr->save for $self->players;
1561	};	2087	};
1562		2088
1563	if ($uniq) {	2089	if ($uniq) {
1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1572	my ($self) = @_;	2098	my ($self) = @_;
1573		2099
1574	# save first because save cedes	2100	# save first because save cedes
1575	$self->save;	2101	$self->save;
1576		2102
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2104
1579	return if $self->players;	2105	return if $self->players;
1580	return if $self->in_memory != cf::MAP_IN_MEMORY;	2106	return if $self->in_memory != cf::MAP_IN_MEMORY;
1581	return if $self->{deny_save};	2107	return if $self->{deny_save};
1582		2108
		2109	$self->in_memory (cf::MAP_SWAPPED);
		2110
		2111	$self->deactivate;
		2112	$_->clear_links_to ($self) for values %cf::MAP;
1583	$self->clear;	2113	$self->clear;
1584	$self->in_memory (cf::MAP_SWAPPED);
1585	}	2114	}
1586		2115
1587	sub reset_at {	2116	sub reset_at {
1588	my ($self) = @_;	2117	my ($self) = @_;
1589		2118
1590	# TODO: safety, remove and allow resettable per-player maps	2119	# TODO: safety, remove and allow resettable per-player maps
1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1592	return 1e99 if $self->{deny_reset};	2120	return 1e99 if $self->{deny_reset};
1593		2121
1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2122	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2123	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1596		2124
…		…
1607	my ($self) = @_;	2135	my ($self) = @_;
1608		2136
1609	my $lock = cf::lock_acquire "map_data:$self->{path}";	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1610		2138
1611	return if $self->players;	2139	return if $self->players;
1612	return if $self->isa ("ext::map_per_player");#d#
1613		2140
1614	warn "resetting map ", $self->path;#d#	2141	warn "resetting map ", $self->path;
1615		2142
1616	$self->in_memory (cf::MAP_SWAPPED);	2143	$self->in_memory (cf::MAP_SWAPPED);
1617		2144
1618	# need to save uniques path	2145	# need to save uniques path
1619	unless ($self->{deny_save}) {	2146	unless ($self->{deny_save}) {
…		…
1623	if $uniq;	2150	if $uniq;
1624	}	2151	}
1625		2152
1626	delete $cf::MAP{$self->path};	2153	delete $cf::MAP{$self->path};
1627		2154
		2155	$self->deactivate;
		2156	$_->clear_links_to ($self) for values %cf::MAP;
1628	$self->clear;	2157	$self->clear;
1629
1630	$_->clear_links_to ($self) for values %cf::MAP;
1631		2158
1632	$self->unlink_save;	2159	$self->unlink_save;
1633	$self->destroy;	2160	$self->destroy;
1634	}	2161	}
1635		2162
1636	my $nuke_counter = "aaaa";	2163	my $nuke_counter = "aaaa";
1637		2164
1638	sub nuke {	2165	sub nuke {
1639	my ($self) = @_;	2166	my ($self) = @_;
1640		2167
		2168	{
		2169	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2170
1641	delete $cf::MAP{$self->path};	2171	delete $cf::MAP{$self->path};
1642		2172
1643	$self->unlink_save;	2173	$self->unlink_save;
1644		2174
1645	bless $self, "cf::map";	2175	bless $self, "cf::map";
1646	delete $self->{deny_reset};	2176	delete $self->{deny_reset};
1647	$self->{deny_save} = 1;	2177	$self->{deny_save} = 1;
1648	$self->reset_timeout (1);	2178	$self->reset_timeout (1);
1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2179	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1650		2180
1651	$cf::MAP{$self->path} = $self;	2181	$cf::MAP{$self->path} = $self;
		2182	}
1652		2183
1653	$self->reset; # polite request, might not happen	2184	$self->reset; # polite request, might not happen
		2185	}
		2186
		2187	=item $maps = cf::map::tmp_maps
		2188
		2189	Returns an arrayref with all map paths of currently instantiated and saved
		2190	maps. May block.
		2191
		2192	=cut
		2193
		2194	sub tmp_maps() {
		2195	[
		2196	map {
		2197	utf8::decode $_;
		2198	/\.map$/
		2199	? normalise $_
		2200	: ()
		2201	} @{ aio_readdir $TMPDIR or [] }
		2202	]
		2203	}
		2204
		2205	=item $maps = cf::map::random_maps
		2206
		2207	Returns an arrayref with all map paths of currently instantiated and saved
		2208	random maps. May block.
		2209
		2210	=cut
		2211
		2212	sub random_maps() {
		2213	[
		2214	map {
		2215	utf8::decode $_;
		2216	/\.map$/
		2217	? normalise "?random/$_"
		2218	: ()
		2219	} @{ aio_readdir $RANDOMDIR or [] }
		2220	]
1654	}	2221	}
1655		2222
1656	=item cf::map::unique_maps	2223	=item cf::map::unique_maps
1657		2224
1658	Returns an arrayref of paths of all shared maps that have	2225	Returns an arrayref of paths of all shared maps that have
1659	instantiated unique items. May block.	2226	instantiated unique items. May block.
1660		2227
1661	=cut	2228	=cut
1662		2229
1663	sub unique_maps() {	2230	sub unique_maps() {
1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2231	[
1665	or return;	2232	map {
1666
1667	my @paths;
1668
1669	for (@$files) {
1670	utf8::decode $_;	2233	utf8::decode $_;
1671	next if /\.pst$/;	2234	/\.map$/
1672	next unless /^$PATH_SEP/o;	2235	? normalise $_
1673		2236	: ()
1674	push @paths, cf::map::normalise $_;	2237	} @{ aio_readdir $UNIQUEDIR or [] }
1675	}	2238	]
1676
1677	\@paths
1678	}	2239	}
1679		2240
1680	package cf;	2241	package cf;
1681		2242
1682	=back	2243	=back
…		…
1700	map { $_, inv_recursive_ $_->inv } @_	2261	map { $_, inv_recursive_ $_->inv } @_
1701	}	2262	}
1702		2263
1703	sub inv_recursive {	2264	sub inv_recursive {
1704	inv_recursive_ inv $_[0]	2265	inv_recursive_ inv $_[0]
		2266	}
		2267
		2268	=item $ref = $ob->ref
		2269
		2270	creates and returns a persistent reference to an objetc that can be stored as a string.
		2271
		2272	=item $ob = cf::object::deref ($refstring)
		2273
		2274	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2275	even if the object actually exists. May block.
		2276
		2277	=cut
		2278
		2279	sub deref {
		2280	my ($ref) = @_;
		2281
		2282	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2283	my ($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	}
1705	}	2294	}
1706		2295
1707	package cf;	2296	package cf;
1708		2297
1709	=back	2298	=back
…		…
1728		2317
1729	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730		2319
1731	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1732	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1733	} 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 {
1734	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1735	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1736	}	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 (@_);
1737	}	2345	}
1738		2346
1739	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1740		2348
1741	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1788	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1789		2397
1790	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1791		2399
1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1794		2402
1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1796	}	2404	}
1797		2405
1798	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1799	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1800		2410
1801	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1802		2412
1803	unless ($map) {	2413	unless ($map) {
1804	# restore original map position	2414	# restore original map position
…		…
1818	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1819	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1820	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1821		2431
1822	$map->load;	2432	$map->load;
1823	$map->load_diag;	2433	$map->load_neighbours;
1824		2434
1825	return unless $self->contr->active;	2435	return unless $self->contr->active;
1826	$self->activate_recursive;	2436	$self->activate_recursive;
		2437
		2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1828	}	2440	}
1829		2441
1830	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2443
1834	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1838	};	2448	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2449
1844	# try to abort aborted map switching on player login :)
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	# we need this sleep as the login has a concurrent enter_exit running
1850	# and this sleep increases chances of the player not ending up in scorn
1851	$pl->ob->reply (undef,
1852	"There was an internal problem at your last logout, "
1853	. "the server will try to bring you to your intended destination in a second.",
1854	cf::NDI_RED);
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1865		2453
1866	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1867	my ($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;
1868		2459
1869	$self->enter_link;	2460	$self->enter_link;
1870		2461
1871	(async {	2462	(async {
		2463	$Coro::current->{desc} = "player::goto $path $x $y";
		2464
		2465	# *tag paths override both path and x|y
		2466	if ($path =~ /^\*(.*)$/) {
		2467	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2468	my $ob = $obs[rand @obs];
		2469
		2470	# see if we actually can go there
		2471	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2472	$ob = $obs[rand @obs];
		2473	} else {
		2474	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2475	}
		2476	# else put us there anyways for now #d#
		2477
		2478	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2479	} else {
		2480	($path, $x, $y) = (undef, undef, undef);
		2481	}
		2482	}
		2483
1872	my $map = eval {	2484	my $map = eval {
1873	my $map = cf::map::find $path;	2485	my $map = defined $path ? cf::map::find $path : undef;
		2486
		2487	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2488	$map = $map->customise_for ($self);
		2489	$map = $check->($map) if $check && $map;
		2490	} else {
		2491	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2492	}
		2493
1875	$map	2494	$map
		2495	};
		2496
		2497	if ($@) {
		2498	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2499	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2500	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2501
		2502	if ($gen == $self->{_goto_generation}) {
		2503	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2504	$self->leave_link ($map, $x, $y);
		2505	}
		2506
		2507	$done->() if $done;
1880	})->prio (1);	2508	})->prio (1);
1881	}	2509	}
1882		2510
1883	=item $player_object->enter_exit ($exit_object)	2511	=item $player_object->enter_exit ($exit_object)
1884		2512
…		…
1923		2551
1924	$rmp->{random_seed} ||= $exit->random_seed;	2552	$rmp->{random_seed} ||= $exit->random_seed;
1925		2553
1926	my $data = cf::to_json $rmp;	2554	my $data = cf::to_json $rmp;
1927	my $md5 = Digest::MD5::md5_hex $data;	2555	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2556	my $meta = "$RANDOMDIR/$md5.meta";
1929		2557
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2558	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2559	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2560	undef $fh;
1933	aio_rename "$meta~", $meta;	2561	aio_rename "$meta~", $meta;
…		…
1942		2570
1943	return unless $self->type == cf::PLAYER;	2571	return unless $self->type == cf::PLAYER;
1944		2572
1945	if ($exit->slaying eq "/!") {	2573	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job	2574	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2575	# the problem is that $exit might not survive long enough
		2576	# so it needs to be done right now, right here
1947	cf::sync_job { prepare_random_map $exit };	2577	cf::sync_job { prepare_random_map $exit };
1948	}	2578	}
1949		2579
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2580	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;	2581	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;	2582	my $sp = $exit->stats->sp;
1953		2583
1954	$self->enter_link;	2584	$self->enter_link;
1955		2585
		2586	# if exit is damned, update players death & WoR home-position
		2587	$self->contr->savebed ($slaying, $hp, $sp)
		2588	if $exit->flag (FLAG_DAMNED);
		2589
1956	(async {	2590	(async {
		2591	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2592
1957	$self->deactivate_recursive; # just to be sure	2593	$self->deactivate_recursive; # just to be sure
1958	unless (eval {	2594	unless (eval {
1959	$self->goto ($slaying, $hp, $sp);	2595	$self->goto ($slaying, $hp, $sp);
1960		2596
1961	1;	2597	1;
1962	}) {	2598	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2599	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "I'll try to bring you back to the map you were before. "	2600	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2601	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2602	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2603
1968	warn "ERROR in enter_exit: $@";	2604	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2605	$self->leave_link;
1970	}	2606	}
1971	})->prio (1);	2607	})->prio (1);
…		…
1984		2620
1985	sub cf::client::send_drawinfo {	2621	sub cf::client::send_drawinfo {
1986	my ($self, $text, $flags) = @_;	2622	my ($self, $text, $flags) = @_;
1987		2623
1988	utf8::encode $text;	2624	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2625	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2626	}
1991		2627
		2628	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2629
		2630	Send a drawinfo or msg packet to the client, formatting the msg for the
		2631	client if neccessary. C<$type> should be a string identifying the type of
		2632	the message, with C<log> being the default. If C<$color> is negative, suppress
		2633	the message unless the client supports the msg packet.
		2634
		2635	=cut
		2636
		2637	our %CHANNEL = (
		2638	"c/identify" => {
		2639	id => "infobox",
		2640	title => "Identify",
		2641	reply => undef,
		2642	tooltip => "Items recently identified",
		2643	},
		2644	"c/examine" => {
		2645	id => "infobox",
		2646	title => "Examine",
		2647	reply => undef,
		2648	tooltip => "Signs and other items you examined",
		2649	},
		2650	"c/lookat" => {
		2651	id => "infobox",
		2652	title => "Look",
		2653	reply => undef,
		2654	tooltip => "What you saw there",
		2655	},
		2656	);
		2657
		2658	sub cf::client::send_msg {
		2659	my ($self, $channel, $msg, $color, @extra) = @_;
		2660
		2661	$msg = $self->pl->expand_cfpod ($msg);
		2662
		2663	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2664
		2665	# check predefined channels, for the benefit of C
		2666	if ($CHANNEL{$channel}) {
		2667	$channel = $CHANNEL{$channel};
		2668
		2669	$self->ext_msg (channel_info => $channel)
		2670	if $self->can_msg;
		2671
		2672	$channel = $channel->{id};
		2673
		2674	} elsif (ref $channel) {
		2675	# send meta info to client, if not yet sent
		2676	unless (exists $self->{channel}{$channel->{id}}) {
		2677	$self->{channel}{$channel->{id}} = $channel;
		2678	$self->ext_msg (channel_info => $channel)
		2679	if $self->can_msg;
		2680	}
		2681
		2682	$channel = $channel->{id};
		2683	}
		2684
		2685	return unless @extra || length $msg;
		2686
		2687	if ($self->can_msg) {
		2688	# default colour, mask it out
		2689	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2690	if $color & cf::NDI_DEF;
		2691
		2692	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2693	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2694	} else {
		2695	if ($color >= 0) {
		2696	# replace some tags by gcfclient-compatible ones
		2697	for ($msg) {
		2698	1 while
		2699	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2700	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2701	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2702	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2703	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2704	}
		2705
		2706	$color &= cf::NDI_COLOR_MASK;
		2707
		2708	utf8::encode $msg;
		2709
		2710	if (0 && $msg =~ /\[/) {
		2711	# COMMAND/INFO
		2712	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2713	} else {
		2714	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2715	$self->send_packet ("drawinfo $color $msg")
		2716	}
		2717	}
		2718	}
		2719	}
		2720
		2721	=item $client->ext_msg ($type, @msg)
		2722
		2723	Sends an ext event to the client.
		2724
		2725	=cut
		2726
		2727	sub cf::client::ext_msg($$@) {
		2728	my ($self, $type, @msg) = @_;
		2729
		2730	if ($self->extcmd == 2) {
		2731	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2732	} elsif ($self->extcmd == 1) { # TODO: remove
		2733	push @msg, msgtype => "event_$type";
		2734	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2735	}
		2736	}
		2737
		2738	=item $client->ext_reply ($msgid, @msg)
		2739
		2740	Sends an ext reply to the client.
		2741
		2742	=cut
		2743
		2744	sub cf::client::ext_reply($$@) {
		2745	my ($self, $id, @msg) = @_;
		2746
		2747	if ($self->extcmd == 2) {
		2748	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2749	} elsif ($self->extcmd == 1) {
		2750	#TODO: version 1, remove
		2751	unshift @msg, msgtype => "reply", msgid => $id;
		2752	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2753	}
		2754	}
1992		2755
1993	=item $success = $client->query ($flags, "text", \&cb)	2756	=item $success = $client->query ($flags, "text", \&cb)
1994		2757
1995	Queues a query to the client, calling the given callback with	2758	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2759	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2760	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2761
1999	Queries can fail, so check the return code. Or don't, as queries will become	2762	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2763	become reliable at some point in the future.
2001		2764
2002	=cut	2765	=cut
2003		2766
2004	sub cf::client::query {	2767	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2768	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2776	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2777	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2778
2016	$self->send_packet ($self->{query_queue}[0][0])	2779	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2780	if @{ $self->{query_queue} } == 1;
		2781
		2782	1
2018	}	2783	}
2019		2784
2020	cf::client->attach (	2785	cf::client->attach (
		2786	on_connect => sub {
		2787	my ($ns) = @_;
		2788
		2789	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2790	},
2021	on_reply => sub {	2791	on_reply => sub {
2022	my ($ns, $msg) = @_;	2792	my ($ns, $msg) = @_;
2023		2793
2024	# this weird shuffling is so that direct followup queries	2794	# this weird shuffling is so that direct followup queries
2025	# get handled first	2795	# get handled first
…		…
2037	} else {	2807	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2808	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2809	}
2040	}	2810	}
2041	},	2811	},
		2812	on_exticmd => sub {
		2813	my ($ns, $buf) = @_;
		2814
		2815	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2816
		2817	if (ref $msg) {
		2818	my ($type, $reply, @payload) =
		2819	"ARRAY" eq ref $msg
		2820	? @$msg
		2821	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2822
		2823	my @reply;
		2824
		2825	if (my $cb = $EXTICMD{$type}) {
		2826	@reply = $cb->($ns, @payload);
		2827	}
		2828
		2829	$ns->ext_reply ($reply, @reply)
		2830	if $reply;
		2831
		2832	} else {
		2833	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2834	}
		2835
		2836	cf::override;
		2837	},
2042	);	2838	);
2043		2839
2044	=item $client->async (\&cb)	2840	=item $client->async (\&cb)
2045		2841
2046	Create a new coroutine, running the specified callback. The coroutine will	2842	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	2883	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	2884	our $safe_hole = new Safe::Hole;
2089		2885
2090	$SIG{FPE} = 'IGNORE';	2886	$SIG{FPE} = 'IGNORE';
2091		2887
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2888	$safe->permit_only (Opcode::opset qw(
		2889	:base_core :base_mem :base_orig :base_math
		2890	grepstart grepwhile mapstart mapwhile
		2891	sort time
		2892	));
2093		2893
2094	# here we export the classes and methods available to script code	2894	# here we export the classes and methods available to script code
2095		2895
2096	=pod	2896	=pod
2097		2897
2098	The following fucntions and emthods are available within a safe environment:	2898	The following functions and methods are available within a safe environment:
2099		2899
2100	cf::object contr pay_amount pay_player map	2900	cf::object
		2901	contr pay_amount pay_player map x y force_find force_add
		2902	insert remove name archname title slaying race decrease_ob_nr
		2903
2101	cf::object::player player	2904	cf::object::player
2102	cf::player peaceful	2905	player
2103	cf::map trigger	2906
		2907	cf::player
		2908	peaceful
		2909
		2910	cf::map
		2911	trigger
2104		2912
2105	=cut	2913	=cut
2106		2914
2107	for (	2915	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	2916	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2917	insert remove inv name archname title slaying race
		2918	decrease_ob_nr)],
2109	["cf::object::player" => qw(player)],	2919	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	2920	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	2921	["cf::map" => qw(trigger)],
2112	) {	2922	) {
2113	no strict 'refs';	2923	no strict 'refs';
…		…
2184	=back	2994	=back
2185		2995
2186	=cut	2996	=cut
2187		2997
2188	#############################################################################	2998	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	2999	# the server's init and main functions
2262		3000
2263	sub load_resources {	3001	sub load_facedata($) {
2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3002	my ($path) = @_;
		3003
		3004	# HACK to clear player env face cache, we need some signal framework
		3005	# for this (global event?)
		3006	%ext::player_env::MUSIC_FACE_CACHE = ();
		3007
		3008	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3009
		3010	warn "loading facedata from $path\n";
		3011
		3012	my $facedata;
		3013	0 < aio_load $path, $facedata
		3014	or die "$path: $!";
		3015
		3016	$facedata = Coro::Storable::thaw $facedata;
		3017
		3018	$facedata->{version} == 2
		3019	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3020
		3021	# patch in the exptable
		3022	$facedata->{resource}{"res/exp_table"} = {
		3023	type => FT_RSRC,
		3024	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3025	};
		3026	cf::cede_to_tick;
		3027
		3028	{
		3029	my $faces = $facedata->{faceinfo};
		3030
		3031	while (my ($face, $info) = each %$faces) {
		3032	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3033	cf::face::set_visibility $idx, $info->{visibility};
		3034	cf::face::set_magicmap $idx, $info->{magicmap};
		3035	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3036	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3037
		3038	cf::cede_to_tick;
		3039	}
		3040
		3041	while (my ($face, $info) = each %$faces) {
		3042	next unless $info->{smooth};
		3043	my $idx = cf::face::find $face
		3044	or next;
		3045	if (my $smooth = cf::face::find $info->{smooth}) {
		3046	cf::face::set_smooth $idx, $smooth;
		3047	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3048	} else {
		3049	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3050	}
		3051
		3052	cf::cede_to_tick;
		3053	}
		3054	}
		3055
		3056	{
		3057	my $anims = $facedata->{animinfo};
		3058
		3059	while (my ($anim, $info) = each %$anims) {
		3060	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3061	cf::cede_to_tick;
		3062	}
		3063
		3064	cf::anim::invalidate_all; # d'oh
		3065	}
		3066
		3067	{
		3068	# TODO: for gcfclient pleasure, we should give resources
		3069	# that gcfclient doesn't grok a >10000 face index.
		3070	my $res = $facedata->{resource};
		3071
		3072	my $soundconf = delete $res->{"res/sound.conf"};
		3073
		3074	while (my ($name, $info) = each %$res) {
		3075	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3076	my $data;
		3077
		3078	if ($info->{type} & 1) {
		3079	# prepend meta info
		3080
		3081	my $meta = $enc->encode ({
		3082	name => $name,
		3083	%{ $info->{meta} || {} },
		3084	});
		3085
		3086	$data = pack "(w/a*)*", $meta, $info->{data};
		3087	} else {
		3088	$data = $info->{data};
		3089	}
		3090
		3091	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3092	cf::face::set_type $idx, $info->{type};
		3093
		3094	cf::cede_to_tick;
		3095	}
		3096
		3097	if ($soundconf) {
		3098	$soundconf = $enc->decode (delete $soundconf->{data});
		3099
		3100	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3101	my $sound = $soundconf->{compat}[$_]
		3102	or next;
		3103
		3104	my $face = cf::face::find "sound/$sound->[1]";
		3105	cf::sound::set $sound->[0] => $face;
		3106	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3107	}
		3108
		3109	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3110	my $face = cf::face::find "sound/$v";
		3111	cf::sound::set $k => $face;
		3112	}
		3113	}
		3114	}
		3115
		3116	1
		3117	}
		3118
		3119	register_exticmd fx_want => sub {
		3120	my ($ns, $want) = @_;
		3121
		3122	while (my ($k, $v) = each %$want) {
		3123	$ns->fx_want ($k, $v);
		3124	}
		3125	};
		3126
		3127	sub reload_regions {
		3128	# HACK to clear player env face cache, we need some signal framework
		3129	# for this (global event?)
		3130	%ext::player_env::MUSIC_FACE_CACHE = ();
		3131
		3132	load_resource_file "$MAPDIR/regions"
2265	or die "unable to load regions file\n";#d#	3133	or die "unable to load regions file\n";
2266	}
2267		3134
2268	sub cfg_load {	3135	for (cf::region::list) {
		3136	$_->{match} = qr/$_->{match}/
		3137	if exists $_->{match};
		3138	}
		3139	}
		3140
		3141	sub reload_facedata {
		3142	load_facedata "$DATADIR/facedata"
		3143	or die "unable to load facedata\n";
		3144	}
		3145
		3146	sub reload_archetypes {
		3147	load_resource_file "$DATADIR/archetypes"
		3148	or die "unable to load archetypes\n";
		3149	#d# NEED to laod twice to resolve forward references
		3150	# this really needs to be done in an extra post-pass
		3151	# (which needs to be synchronous, so solve it differently)
		3152	load_resource_file "$DATADIR/archetypes"
		3153	or die "unable to load archetypes\n";
		3154	}
		3155
		3156	sub reload_treasures {
		3157	load_resource_file "$DATADIR/treasures"
		3158	or die "unable to load treasurelists\n";
		3159	}
		3160
		3161	sub reload_resources {
		3162	warn "reloading resource files...\n";
		3163
		3164	reload_regions;
		3165	reload_facedata;
		3166	#reload_archetypes;#d#
		3167	reload_archetypes;
		3168	reload_treasures;
		3169
		3170	warn "finished reloading resource files\n";
		3171	}
		3172
		3173	sub init {
		3174	reload_resources;
		3175	}
		3176
		3177	sub reload_config {
2269	open my $fh, "<:utf8", cf::confdir . "/config"	3178	open my $fh, "<:utf8", "$CONFDIR/config"
2270	or return;	3179	or return;
2271		3180
2272	local $/;	3181	local $/;
2273	*CFG = YAML::Syck::Load <$fh>;	3182	*CFG = YAML::Syck::Load <$fh>;
2274		3183
…		…
2284	};	3193	};
2285	warn $@ if $@;	3194	warn $@ if $@;
2286	}	3195	}
2287	}	3196	}
2288		3197
2289	sub init {
2290	load_resources;
2291	}
2292
2293	sub main {	3198	sub main {
2294	# we must not ever block the main coroutine	3199	# we must not ever block the main coroutine
2295	local $Coro::idle = sub {	3200	local $Coro::idle = sub {
2296	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2297	(async {	3202	(async {
		3203	$Coro::current->{desc} = "IDLE BUG HANDLER";
2298	Event::one_event;	3204	Event::one_event;
2299	})->prio (Coro::PRIO_MAX);	3205	})->prio (Coro::PRIO_MAX);
2300	};	3206	};
2301		3207
2302	cfg_load;	3208	reload_config;
2303	db_init;	3209	db_init;
2304	load_extensions;	3210	load_extensions;
2305		3211
2306	$TICK_WATCHER->start;	3212	$TICK_WATCHER->start;
2307	Event::loop;	3213	Event::loop;
…		…
2323	},	3229	},
2324	);	3230	);
2325	}	3231	}
2326	}	3232	}
2327		3233
		3234	sub write_runtime {
		3235	my $runtime = "$LOCALDIR/runtime";
		3236
		3237	# first touch the runtime file to show we are still running:
		3238	# the fsync below can take a very very long time.
		3239
		3240	IO::AIO::aio_utime $runtime, undef, undef;
		3241
		3242	my $guard = cf::lock_acquire "write_runtime";
		3243
		3244	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3245	or return;
		3246
		3247	my $value = $cf::RUNTIME + 90 + 10;
		3248	# 10 is the runtime save interval, for a monotonic clock
		3249	# 60 allows for the watchdog to kill the server.
		3250
		3251	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3252	and return;
		3253
		3254	# always fsync - this file is important
		3255	aio_fsync $fh
		3256	and return;
		3257
		3258	# touch it again to show we are up-to-date
		3259	aio_utime $fh, undef, undef;
		3260
		3261	close $fh
		3262	or return;
		3263
		3264	aio_rename "$runtime~", $runtime
		3265	and return;
		3266
		3267	warn "runtime file written.\n";
		3268
		3269	1
		3270	}
		3271
2328	sub emergency_save() {	3272	sub emergency_save() {
2329	my $freeze_guard = cf::freeze_mainloop;	3273	my $freeze_guard = cf::freeze_mainloop;
2330		3274
2331	warn "enter emergency perl save\n";	3275	warn "enter emergency perl save\n";
2332		3276
…		…
2336	# and maps saved/destroyed asynchronously.	3280	# and maps saved/destroyed asynchronously.
2337	warn "begin emergency player save\n";	3281	warn "begin emergency player save\n";
2338	for my $login (keys %cf::PLAYER) {	3282	for my $login (keys %cf::PLAYER) {
2339	my $pl = $cf::PLAYER{$login} or next;	3283	my $pl = $cf::PLAYER{$login} or next;
2340	$pl->valid or next;	3284	$pl->valid or next;
		3285	delete $pl->{unclean_save};
2341	$pl->save;	3286	$pl->save;
2342	}	3287	}
2343	warn "end emergency player save\n";	3288	warn "end emergency player save\n";
2344		3289
2345	warn "begin emergency map save\n";	3290	warn "begin emergency map save\n";
…		…
2363		3308
2364	warn Carp::longmess "post_cleanup backtrace"	3309	warn Carp::longmess "post_cleanup backtrace"
2365	if $make_core;	3310	if $make_core;
2366	}	3311	}
2367		3312
2368	sub reload() {	3313	sub do_reload_perl() {
2369	# can/must only be called in main	3314	# can/must only be called in main
2370	if ($Coro::current != $Coro::main) {	3315	if ($Coro::current != $Coro::main) {
2371	warn "can only reload from main coroutine";	3316	warn "can only reload from main coroutine";
2372	return;	3317	return;
2373	}	3318	}
2374		3319
2375	warn "reloading...";	3320	warn "reloading...";
2376		3321
2377	warn "cancelling server ticker";	3322	warn "entering sync_job";
2378	$TICK_WATCHER->cancel;
2379		3323
		3324	cf::sync_job {
		3325	cf::write_runtime; # external watchdog should not bark
2380	cf::emergency_save;	3326	cf::emergency_save;
		3327	cf::write_runtime; # external watchdog should not bark
2381		3328
2382	eval {	3329	warn "syncing database to disk";
		3330	BDB::db_env_txn_checkpoint $DB_ENV;
		3331
2383	# if anything goes wrong in here, we should simply crash as we already saved	3332	# if anything goes wrong in here, we should simply crash as we already saved
2384		3333
2385	warn "cancelling all WF_AUTOCANCEL watchers";	3334	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {	3335	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;	3336	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}	3337	}
2389
2390	warn "syncing database to disk";
2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392		3338
2393	warn "flushing outstanding aio requests";	3339	warn "flushing outstanding aio requests";
2394	for (;;) {	3340	for (;;) {
2395	BDB::flush;	3341	BDB::flush;
2396	IO::AIO::flush;	3342	IO::AIO::flush;
2397	Coro::cede;	3343	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;	3344	last unless IO::AIO::nreqs || BDB::nreqs;
2399	warn "iterate...";	3345	warn "iterate...";
2400	}	3346	}
2401		3347
		3348	++$RELOAD;
		3349
2402	warn "cancelling all extension coros";	3350	warn "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;	3351	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();	3352	%EXT_CORO = ();
2405		3353
2406	warn "removing commands";	3354	warn "removing commands";
2407	%COMMAND = ();	3355	%COMMAND = ();
2408		3356
2409	warn "removing ext commands";	3357	warn "removing ext/exti commands";
2410	%EXTCMD = ();	3358	%EXTCMD = ();
		3359	%EXTICMD = ();
2411		3360
2412	warn "unloading/nuking all extensions";	3361	warn "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {	3362	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";	3363	warn "... unloading $pkg";
2415		3364
…		…
2445	Symbol::delete_package "safe::$_"	3394	Symbol::delete_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3395	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3396
2448	warn "unloading cf.pm \"a bit\"";	3397	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3398	delete $INC{"cf.pm"};
		3399	delete $INC{"cf/pod.pm"};
2450		3400
2451	# don't, removes xs symbols, too,	3401	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3402	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3403	#Symbol::delete_package __PACKAGE__;
2454		3404
…		…
2457	warn "reloading cf.pm";	3407	warn "reloading cf.pm";
2458	require cf;	3408	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3409	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2460		3410
2461	warn "loading config and database again";	3411	warn "loading config and database again";
2462	cf::cfg_load;	3412	cf::reload_config;
2463		3413
2464	warn "loading extensions";	3414	warn "loading extensions";
2465	cf::load_extensions;	3415	cf::load_extensions;
2466		3416
2467	warn "reattaching attachments to objects/players";	3417	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3418	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3419	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3420	reattach $_ for values %MAP;
		3421	warn "reattaching attachments to players";
		3422	reattach $_ for values %PLAYER;
2471		3423
2472	warn "loading reloadable resources";	3424	warn "leaving sync_job";
2473	load_resources;
2474		3425
2475	warn "restarting server ticker";	3426	1
2476		3427	} or do {
2477	$TICK_WATCHER->start;
2478	};
2479
2480	if ($@) {
2481	warn $@;	3428	warn $@;
2482	warn "error while reloading, exiting.";	3429	warn "error while reloading, exiting.";
2483	exit 1;	3430	exit 1;
2484	}	3431	};
2485		3432
2486	warn "reloaded";	3433	warn "reloaded";
2487	};	3434	};
2488		3435
2489	our $RELOAD_WATCHER; # used only during reload	3436	our $RELOAD_WATCHER; # used only during reload
2490		3437
		3438	sub reload_perl() {
		3439	# doing reload synchronously and two reloads happen back-to-back,
		3440	# coro crashes during coro_state_free->destroy here.
		3441
		3442	$RELOAD_WATCHER ||= Event->timer (
		3443	reentrant => 0,
		3444	after => 0,
		3445	data => WF_AUTOCANCEL,
		3446	cb => sub {
		3447	do_reload_perl;
		3448	undef $RELOAD_WATCHER;
		3449	},
		3450	);
		3451	}
		3452
2491	register_command "reload" => sub {	3453	register_command "reload" => sub {
2492	my ($who, $arg) = @_;	3454	my ($who, $arg) = @_;
2493		3455
2494	if ($who->flag (FLAG_WIZ)) {	3456	if ($who->flag (FLAG_WIZ)) {
2495	$who->message ("reloading server.");	3457	$who->message ("reloading server.");
2496		3458	async {
2497	# doing reload synchronously and two reloads happen back-to-back,	3459	$Coro::current->{desc} = "perl_reload";
2498	# coro crashes during coro_state_free->destroy here.
2499
2500	$RELOAD_WATCHER ||= Event->timer (
2501	reentrant => 0,
2502	after => 0,
2503	data => WF_AUTOCANCEL,
2504	cb => sub {
2505	reload;	3460	reload_perl;
2506	undef $RELOAD_WATCHER;
2507	},
2508	);	3461	};
2509	}	3462	}
2510	};	3463	};
2511		3464
2512	unshift @INC, $LIBDIR;	3465	unshift @INC, $LIBDIR;
2513		3466
2514	my $bug_warning = 0;	3467	my $bug_warning = 0;
		3468
		3469	our @WAIT_FOR_TICK;
		3470	our @WAIT_FOR_TICK_BEGIN;
		3471
		3472	sub wait_for_tick {
		3473	return unless $TICK_WATCHER->is_active;
		3474	return if $Coro::current == $Coro::main;
		3475
		3476	my $signal = new Coro::Signal;
		3477	push @WAIT_FOR_TICK, $signal;
		3478	$signal->wait;
		3479	}
		3480
		3481	sub wait_for_tick_begin {
		3482	return unless $TICK_WATCHER->is_active;
		3483	return if $Coro::current == $Coro::main;
		3484
		3485	my $signal = new Coro::Signal;
		3486	push @WAIT_FOR_TICK_BEGIN, $signal;
		3487	$signal->wait;
		3488	}
2515		3489
2516	$TICK_WATCHER = Event->timer (	3490	$TICK_WATCHER = Event->timer (
2517	reentrant => 0,	3491	reentrant => 0,
2518	parked => 1,	3492	parked => 1,
2519	prio => 0,	3493	prio => 0,
…		…
2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525	unless ++$bug_warning > 10;	3499	unless ++$bug_warning > 10;
2526	return;	3500	return;
2527	}	3501	}
2528		3502
2529	$NOW = Event::time;	3503	$NOW = $tick_start = Event::time;
2530		3504
2531	cf::server_tick; # one server iteration	3505	cf::server_tick; # one server iteration
		3506
2532	$RUNTIME += $TICK;	3507	$RUNTIME += $TICK;
2533	$NEXT_TICK += $TICK;	3508	$NEXT_TICK += $TICK;
2534		3509
2535	$WAIT_FOR_TICK->broadcast;	3510	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3511	$NEXT_RUNTIME_WRITE = $NOW + 10;
2537		3512	Coro::async_pool {
2538	Event::sweep;	3513	$Coro::current->{desc} = "runtime saver";
2539	Coro::cede_notself;	3514	write_runtime
		3515	or warn "ERROR: unable to write runtime file: $!";
		3516	};
2540		3517	}
2541	# my $AFTER = Event::time;	3518
2542	# warn $AFTER - $NOW;#d#	3519	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3520	$sig->send;
		3521	}
		3522	while (my $sig = shift @WAIT_FOR_TICK) {
		3523	$sig->send;
		3524	}
		3525
		3526	$NOW = Event::time;
2543		3527
2544	# if we are delayed by four ticks or more, skip them all	3528	# if we are delayed by four ticks or more, skip them all
2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3529	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2546		3530
2547	$TICK_WATCHER->at ($NEXT_TICK);	3531	$TICK_WATCHER->at ($NEXT_TICK);
2548	$TICK_WATCHER->start;	3532	$TICK_WATCHER->start;
		3533
		3534	$LOAD = ($NOW - $tick_start) / $TICK;
		3535	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3536
		3537	_post_tick;
2549	},	3538	},
2550	);	3539	);
2551		3540
2552	{	3541	{
		3542	BDB::min_parallel 8;
2553	BDB::max_poll_time $TICK * 0.1;	3543	BDB::max_poll_time $TICK * 0.1;
2554	$BDB_POLL_WATCHER = Event->io (	3544	$BDB_POLL_WATCHER = Event->io (
2555	reentrant => 0,	3545	reentrant => 0,
2556	fd => BDB::poll_fileno,	3546	fd => BDB::poll_fileno,
2557	poll => 'r',	3547	poll => 'r',
2558	prio => 0,	3548	prio => 0,
2559	data => WF_AUTOCANCEL,	3549	data => WF_AUTOCANCEL,
2560	cb => \&BDB::poll_cb,	3550	cb => \&BDB::poll_cb,
2561	);	3551	);
2562	BDB::min_parallel 8;
2563		3552
2564	BDB::set_sync_prepare {	3553	BDB::set_sync_prepare {
2565	my $status;	3554	my $status;
2566	my $current = $Coro::current;	3555	my $current = $Coro::current;
2567	(	3556	(
…		…
2576	)	3565	)
2577	};	3566	};
2578		3567
2579	unless ($DB_ENV) {	3568	unless ($DB_ENV) {
2580	$DB_ENV = BDB::db_env_create;	3569	$DB_ENV = BDB::db_env_create;
		3570	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3571	| BDB::LOG_AUTOREMOVE, 1);
		3572	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3573	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2581		3574
2582	cf::sync_job {	3575	cf::sync_job {
2583	eval {	3576	eval {
2584	BDB::db_env_open	3577	BDB::db_env_open
2585	$DB_ENV,	3578	$DB_ENV,
2586	$BDB_ENV_DIR,	3579	$BDBDIR,
2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3580	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3581	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589	0666;	3582	0666;
2590		3583
2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3584	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2592
2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2594	$DB_ENV->set_lk_detect;
2595	};	3585	};
2596		3586
2597	cf::cleanup "db_env_open(db): $@" if $@;	3587	cf::cleanup "db_env_open(db): $@" if $@;
2598	};	3588	};
2599	}	3589	}
		3590
		3591	$BDB_DEADLOCK_WATCHER = Event->timer (
		3592	after => 3,
		3593	interval => 1,
		3594	hard => 1,
		3595	prio => 0,
		3596	data => WF_AUTOCANCEL,
		3597	cb => sub {
		3598	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3599	},
		3600	);
		3601	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3602	after => 11,
		3603	interval => 60,
		3604	hard => 1,
		3605	prio => 0,
		3606	data => WF_AUTOCANCEL,
		3607	cb => sub {
		3608	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3609	},
		3610	);
		3611	$BDB_TRICKLE_WATCHER = Event->timer (
		3612	after => 5,
		3613	interval => 10,
		3614	hard => 1,
		3615	prio => 0,
		3616	data => WF_AUTOCANCEL,
		3617	cb => sub {
		3618	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3619	},
		3620	);
2600	}	3621	}
2601		3622
2602	{	3623	{
2603	IO::AIO::min_parallel 8;	3624	IO::AIO::min_parallel 8;
2604		3625
2605	undef $Coro::AIO::WATCHER;	3626	undef $Coro::AIO::WATCHER;
2606	IO::AIO::max_poll_time $TICK * 0.1;	3627	IO::AIO::max_poll_time $TICK * 0.1;
2607	$AIO_POLL_WATCHER = Event->io (	3628	$AIO_POLL_WATCHER = Event->io (
2608	reentrant => 0,	3629	reentrant => 0,
		3630	data => WF_AUTOCANCEL,
2609	fd => IO::AIO::poll_fileno,	3631	fd => IO::AIO::poll_fileno,
2610	poll => 'r',	3632	poll => 'r',
2611	prio => 6,	3633	prio => 0,
2612	data => WF_AUTOCANCEL,
2613	cb => \&IO::AIO::poll_cb,	3634	cb => \&IO::AIO::poll_cb,
2614	);	3635	);
2615	}	3636	}
2616		3637
2617	$WRITE_RUNTIME_WATCHER = Event->timer (	3638	my $_log_backtrace;
2618	reentrant => 0,	3639
2619	data => WF_AUTOCANCEL,	3640	sub _log_backtrace {
2620	after => 1,	3641	my ($msg, @addr) = @_;
2621	interval => 10,	3642
2622	prio => 6, # keep it lowest so it acts like a watchdog	3643	$msg =~ s/\n//;
2623	cb => Coro::unblock_sub {	3644
2624	write_runtime	3645	# limit the # of concurrent backtraces
2625	or warn "ERROR: unable to write runtime file: $!";	3646	if ($_log_backtrace < 2) {
		3647	++$_log_backtrace;
		3648	async {
		3649	$Coro::current->{desc} = "abt $msg";
		3650
		3651	my @bt = fork_call {
		3652	@addr = map { sprintf "%x", $_ } @addr;
		3653	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3654	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3655	or die "addr2line: $!";
		3656
		3657	my @funcs;
		3658	my @res = <$fh>;
		3659	chomp for @res;
		3660	while (@res) {
		3661	my ($func, $line) = splice @res, 0, 2, ();
		3662	push @funcs, "[$func] $line";
		3663	}
		3664
		3665	@funcs
		3666	};
		3667
		3668	LOG llevInfo, "[ABT] $msg\n";
		3669	LOG llevInfo, "[ABT] $_\n" for @bt;
		3670	--$_log_backtrace;
		3671	};
		3672	} else {
		3673	LOG llevInfo, "[ABT] $msg\n";
		3674	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	3675	}
2627	);	3676	}
		3677
		3678	# load additional modules
		3679	use cf::pod;
2628		3680
2629	END { cf::emergency_save }	3681	END { cf::emergency_save }
2630		3682
2631	1	3683	1
2632		3684

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