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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.207 by root, Sun Feb 11 22:42:09 2007 UTC vs.
Revision 1.387 by root, Mon Oct 15 23:49:10 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 Storable;	8	use Socket;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
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;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
27		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
28	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
29
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		44
32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
33	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
34		47
35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
36		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
37	our %COMMAND = ();	52	our %COMMAND = ();
38	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
39		54
40	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
44		60
		61	our $RELOAD; # number of reloads so far
45	our @EVENT;	62	our @EVENT;
46	our $LIBDIR = datadir . "/ext";
47		63
48	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
49	our $TICK_WATCHER;	77	our $TICK_WATCHER;
50	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
51	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	our $NEXT_TICK;	80	our $NEXT_TICK;
53	our $NOW;	81	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		83
56	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
57	our $DB_ENV;	88	our $DB_ENV;
58		89
59	our %CFG;	90	our %CFG;
60		91
61	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;	93	our $RUNTIME;
63		94
64	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
65	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		98
73	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
76	binmode STDOUT;	106	binmode STDOUT;
77	binmode STDERR;	107	binmode STDERR;
78		108
79	# read virtual server time, if available	109	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
81	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
82	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
83	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
84	}	114	}
85		115
86	mkdir cf::localdir;	116	mkdir $_
87	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
88	mkdir cf::localdir . "/" . cf::tmpdir;
89	mkdir cf::localdir . "/" . cf::uniquedir;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		118
93	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
94		120
95	sub cf::map::normalise;	121	sub cf::map::normalise;
96		122
…		…
107	=item $cf::RUNTIME	133	=item $cf::RUNTIME
108		134
109	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
110	every server tick.	136	every server tick.
111		137
112	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
113		141
114	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
115	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
116		146
117	=item $cf::NOW	147	=item $cf::NOW
118		148
119	The time of the last (current) server tick.	149	The time of the last (current) server tick.
120		150
121	=item $cf::TICK	151	=item $cf::TICK
122		152
123	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
124		164
125	=item %cf::CFG	165	=item %cf::CFG
126		166
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
128	from wherever your confdir points to.	168	from wherever your confdir points to.
129		169
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		171
132	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
133	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
134	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
135	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
136		181
137	=back	182	=back
138		183
139	=cut	184	=cut
140		185
141	BEGIN {	186	BEGIN {
142	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
143	my $msg = join "", @_;	188	my $msg = join "", @_;
144	utf8::encode $msg;
145		189
146	$msg .= "\n"	190	$msg .= "\n"
147	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
148		194
149	LOG llevError, $msg;	195	LOG llevError, $msg;
150	};	196	};
151	}	197	}
152		198
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
158	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
159		206
160	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
161	# within the Safe compartment.	208	# within the Safe compartment.
162	for my $pkg (qw(	209	for my $pkg (qw(
163	cf::global cf::attachable	210	cf::global cf::attachable
…		…
171	}	218	}
172		219
173	$Event::DIED = sub {	220	$Event::DIED = sub {
174	warn "error in event callback: @_";	221	warn "error in event callback: @_";
175	};	222	};
		223
		224	#############################################################################
176		225
177	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
178		227
179	=over 4	228	=over 4
180		229
…		…
199	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
200	$d	249	$d
201	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
202	}	251	}
203		252
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
207		254
208	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
209		256
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
218		258
219	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
220		260
221	=cut	261	=cut
222		262
223	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
225	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
226	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
227		267
228	=item cf::lock_wait $string	268	=item cf::lock_wait $string
229		269
230	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
231		271
…		…
234	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
235	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
236	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
237	returned.	277	returned.
238		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
239	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
240	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
241		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
242	=cut	289	=cut
243		290
244	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
245		293
246	sub lock_wait($) {	294	sub lock_wait($) {
247	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
248		301
249	# wait for lock, if any	302	# wait for lock, if any
250	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
251	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;	305	Coro::schedule;
…		…
258		311
259	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
260	lock_wait $key;	313	lock_wait $key;
261		314
262	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
263		317
264	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
265	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
267	}	322	}
268	}	323	}
269		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
270	sub freeze_mainloop {	331	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
272		333
273	my $guard = Coro::guard {	334	my $guard = Coro::guard {
274	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
275	$WRITE_RUNTIME_WATCHER->start;
276	};	336	};
277	$WRITE_RUNTIME_WATCHER->stop;
278	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
279	$guard	338	$guard
		339	}
		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$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;
280	}	397	}
281		398
282	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
283		400
284	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		406
290	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
291		408
292	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
293		410
294	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)
295	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
296	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.
297		415
298	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
299	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
300	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
301	fast or be very important.	419	fast or be very important.
…		…
304		422
305	sub sync_job(&) {	423	sub sync_job(&) {
306	my ($job) = @_;	424	my ($job) = @_;
307		425
308	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
309	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
311		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
312	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
313	# (but this is cancel-safe)	435	# (but this is cancel-safe)
314	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
315		437
316	my $busy = 1;	438	my $busy = 1;
317	my @res;	439	my @res;
318		440
319	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
320	@res = eval { $job->() };	443	@res = eval { $job->() };
321	warn $@ if $@;	444	warn $@ if $@;
322	undef $busy;	445	undef $busy;
323	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
324		447
325	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
326	Coro::cede or Event::one_event;	452	Event::one_event;
327	}	453	}
		454	}
		455
		456	$time = Event::time - $time;
		457
		458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		460
		461	$tick_start += $time; # do not account sync jobs to server load
328		462
329	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
330	} else {	464	} else {
331	# we are in another coroutine, how wonderful, everything just works	465	# we are in another coroutine, how wonderful, everything just works
332		466
…		…
352	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
353		487
354	$coro	488	$coro
355	}	489	}
356		490
357	sub write_runtime {	491	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		492
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	493	Executes the given code block with the given arguments in a seperate
361	or return;	494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
362		497
363	my $value = $cf::RUNTIME + 90 + 10;	498	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		499
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	500	sub fork_call(&@) {
368	and return;	501	my ($cb, @args) = @_;
369		502
370	# always fsync - this file is important	503	# we seemingly have to make a local copy of the whole thing,
371	aio_fsync $fh	504	# otherwise perl prematurely frees the stuff :/
372	and return;	505	# TODO: investigate and fix (likely this will be rather laborious)
373		506
374	close $fh	507	my @res = Coro::Util::fork_eval {
375	or return;	508	reset_signals;
		509	&$cb
		510	}, @args;
376		511
377	aio_rename "$runtime~", $runtime	512	wantarray ? @res : $res[-1]
378	and return;	513	}
379		514
		515	=item $value = cf::db_get $family => $key
		516
		517	Returns a single value from the environment database.
		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
380	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
		640	}
		641
		642	=item cf::datalog type => key => value, ...
		643
		644	Log a datalog packet of the given type with the given key-value pairs.
		645
		646	=cut
		647
		648	sub datalog($@) {
		649	my ($type, %kv) = @_;
		650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
381	}	651	}
382		652
383	=back	653	=back
384		654
385	=cut	655	=cut
…		…
392	attach callbacks/event handlers (a collection of which is called an "attachment")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
393	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
394		664
395	In the following description, CLASS can be any of C<global>, C<object>	665	In the following description, CLASS can be any of C<global>, C<object>
396	C<player>, C<client> or C<map> (i.e. the attachable objects in	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
397	crossfire+).	667	Crossfire TRT).
398		668
399	=over 4	669	=over 4
400		670
401	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
402		672
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
566		836
567	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		841
572	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	843	my $pkg = shift @arg;
574		844
575	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
605	}	875	}
606		876
607	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
608	} else {	878	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	880	}
611		881
612	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
613	}	883	}
614		884
…		…
616	if (ref $_[0]) {	886	if (ref $_[0]) {
617	_object_attach @_;	887	_object_attach @_;
618	} else {	888	} else {
619	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
620	}	890	}
		891	_recalc_want;
621	};	892	};
622		893
623	# all those should be optimised	894	# all those should be optimised
624	sub cf::attachable::detach {	895	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
629	reattach ($obj);	900	reattach ($obj);
630	} else {	901	} else {
631	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
632	}	903	}
		904	_recalc_want;
633	};	905	};
634		906
635	sub cf::attachable::attached {	907	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
637		909
…		…
652	";	924	";
653	die if $@;	925	die if $@;
654	}	926	}
655		927
656	our $override;	928	our $override;
657	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
658		930
659	sub override {	931	sub override {
660	$override = 1;	932	$override = 1;
661	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
662	}	934	}
663		935
664	sub do_invoke {	936	sub do_invoke {
665	my $event = shift;	937	my $event = shift;
666	my $callbacks = shift;	938	my $callbacks = shift;
667		939
668	@invoke_results = ();	940	@INVOKE_RESULTS = ();
669		941
670	local $override;	942	local $override;
671		943
672	for (@$callbacks) {	944	for (@$callbacks) {
673	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
690		962
691	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
692		964
693	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
694	removed in future versions), and there is no public API to access override	966	removed in future versions), and there is no public API to access override
695	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		968
697	=back	969	=back
698		970
699	=cut	971	=cut
700		972
701	#############################################################################	973	#############################################################################
702	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
703		1017
704	sub reattach {	1018	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	1020	my ($obj) = @_;
707		1021
…		…
754	sub object_freezer_save {	1068	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
756		1070
757	sync_job {	1071	sync_job {
758	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
761		1076
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	aio_fsync $fh if $cf::USE_FSYNC;	1080	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1081	close $fh;
767		1082
768	if (@$objs) {	1083	if (@$objs) {
769	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
770	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1088	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1089	close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
776	}	1091	}
…		…
784	}	1099	}
785	} else {	1100	} else {
786	aio_unlink $filename;	1101	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
788	}	1103	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1104	};
796	}	1105	}
797		1106
798	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
800		1109
…		…
805		1114
806	sub object_thawer_load {	1115	sub object_thawer_load {
807	my ($filename) = @_;	1116	my ($filename) = @_;
808		1117
809	my ($data, $av);	1118	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1119
814	(aio_load $filename, $data) >= 0	1120	(aio_load $filename, $data) >= 0
815	or return;	1121	or return;
816		1122
817	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
819	or return;	1125	or return;
820	$av = eval { (Storable::thaw $av)->{objs} };
821	}
822		1126
		1127	my $st = eval { Coro::Storable::thaw $av }
		1128	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1129	$av = $st->{objs};
		1130	}
		1131
		1132	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1133	warn sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1134	$decname, length $data, scalar @{$av || []};
		1135
825	return ($data, $av);	1136	($data, $av)
826	}	1137	}
		1138
		1139	=head2 COMMAND CALLBACKS
		1140
		1141	=over 4
		1142
		1143	=cut
827		1144
828	#############################################################################	1145	#############################################################################
829	# command handling &c	1146	# command handling &c
830		1147
831	=item cf::register_command $name => \&callback($ob,$args);	1148	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1161	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1162	}
846		1163
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1164	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1165
849	Register a callbackf ro execution when the client sends an extcmd packet.	1166	Register a callback for execution when the client sends an (synchronous)
		1167	extcmd packet. Ext commands will be processed in the order they are
		1168	received by the server, like other user commands. The first argument is
		1169	the logged-in player. Ext commands can only be processed after a player
		1170	has logged in successfully.
850		1171
851	If the callback returns something, it is sent back as if reply was being	1172	If the callback returns something, it is sent back as if reply was being
852	called.	1173	called.
853		1174
		1175	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1176
		1177	Register a callback for execution when the client sends an (asynchronous)
		1178	exticmd packet. Exti commands are processed by the server as soon as they
		1179	are received, i.e. out of order w.r.t. other commands. The first argument
		1180	is a client socket. Exti commands can be received anytime, even before
		1181	log-in.
		1182
		1183	If the callback returns something, it is sent back as if reply was being
		1184	called.
		1185
854	=cut	1186	=cut
855		1187
856	sub register_extcmd {	1188	sub register_extcmd {
857	my ($name, $cb) = @_;	1189	my ($name, $cb) = @_;
858		1190
859	$EXTCMD{$name} = $cb;	1191	$EXTCMD{$name} = $cb;
		1192	}
		1193
		1194	sub register_exticmd {
		1195	my ($name, $cb) = @_;
		1196
		1197	$EXTICMD{$name} = $cb;
860	}	1198	}
861		1199
862	cf::player->attach (	1200	cf::player->attach (
863	on_command => sub {	1201	on_command => sub {
864	my ($pl, $name, $params) = @_;	1202	my ($pl, $name, $params) = @_;
…		…
873	cf::override;	1211	cf::override;
874	},	1212	},
875	on_extcmd => sub {	1213	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1214	my ($pl, $buf) = @_;
877		1215
878	my $msg = eval { from_json $buf };	1216	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1217
880	if (ref $msg) {	1218	if (ref $msg) {
		1219	my ($type, $reply, @payload) =
		1220	"ARRAY" eq ref $msg
		1221	? @$msg
		1222	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1223
		1224	my @reply;
		1225
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1226	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1227	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1228	}
		1229
		1230	$pl->ext_reply ($reply, @reply)
		1231	if $reply;
		1232
886	} else {	1233	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1234	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1235	}
889		1236
890	cf::override;	1237	cf::override;
891	},	1238	},
892	);	1239	);
893		1240
894	sub load_extension {
895	my ($path) = @_;
896
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
898	my $base = $1;
899	my $pkg = $1;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}
922	die $@;
923	}
924
925	push @EXTS, $pkg;
926	}
927
928	sub load_extensions {	1241	sub load_extensions {
		1242	cf::sync_job {
		1243	my %todo;
		1244
929	for my $ext (<$LIBDIR/*.ext>) {	1245	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1246	next unless -r $path;
931	eval {	1247
932	load_extension $ext;	1248	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1249	my $base = $1;
		1250	my $pkg = $1;
		1251	$pkg =~ s/[^[:word:]]/_/g;
		1252	$pkg = "ext::$pkg";
		1253
		1254	open my $fh, "<:utf8", $path
		1255	or die "$path: $!";
		1256
		1257	my $source = do { local $/; <$fh> };
		1258
		1259	my %ext = (
		1260	path => $path,
		1261	base => $base,
		1262	pkg => $pkg,
		1263	);
		1264
		1265	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1266	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1267
		1268	$ext{source} =
		1269	"package $pkg; use strict; use utf8;\n"
		1270	. "#line 1 \"$path\"\n{\n"
		1271	. $source
		1272	. "\n};\n1";
		1273
		1274	$todo{$base} = \%ext;
		1275	}
		1276
		1277	my %done;
		1278	while (%todo) {
		1279	my $progress;
		1280
		1281	while (my ($k, $v) = each %todo) {
		1282	for (split /,\s*/, $v->{meta}{depends}) {
		1283	goto skip
		1284	unless exists $done{$_};
		1285	}
		1286
		1287	warn "... loading '$k' into '$v->{pkg}'\n";
		1288
		1289	unless (eval $v->{source}) {
		1290	my $msg = $@ ? "$v->{path}: $@\n"
		1291	: "$v->{base}: extension inactive.\n";
		1292
		1293	if (exists $v->{meta}{mandatory}) {
		1294	warn $msg;
		1295	warn "mandatory extension failed to load, exiting.\n";
		1296	exit 1;
		1297	}
		1298
		1299	warn $msg;
		1300	}
		1301
		1302	$done{$k} = delete $todo{$k};
		1303	push @EXTS, $v->{pkg};
		1304	$progress = 1;
933	1	1305	}
934	} or warn "$ext not loaded: $@";	1306
		1307	skip:
		1308	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1309	unless $progress;
		1310	}
935	}	1311	};
936	}	1312	}
937		1313
938	#############################################################################	1314	#############################################################################
939		1315
		1316	=back
		1317
940	=head2 CORE EXTENSIONS	1318	=head2 CORE EXTENSIONS
941		1319
942	Functions and methods that extend core crossfire objects.	1320	Functions and methods that extend core crossfire objects.
943		1321
944	=cut	1322	=cut
…		…
949		1327
950	=head3 cf::player	1328	=head3 cf::player
951		1329
952	=over 4	1330	=over 4
953		1331
		1332	=item cf::player::num_playing
		1333
		1334	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1335
		1336	=cut
		1337
		1338	sub num_playing {
		1339	scalar grep
		1340	$_->ob->map
		1341	&& !$_->hidden
		1342	&& !$_->ob->flag (cf::FLAG_WIZ),
		1343	cf::player::list
		1344	}
		1345
954	=item cf::player::find $login	1346	=item cf::player::find $login
955		1347
956	Returns the given player object, loading it if necessary (might block).	1348	Returns the given player object, loading it if necessary (might block).
957		1349
958	=cut	1350	=cut
959		1351
960	sub playerdir($) {	1352	sub playerdir($) {
961	cf::localdir	1353	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1354	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1355	}
967		1356
968	sub path($) {	1357	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1358	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1359
971	(playerdir $login) . "/$login.pl"	1360	(playerdir $login) . "/playerdata"
972	}	1361	}
973		1362
974	sub find_active($) {	1363	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1364	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1365	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1378	my $login = $_[0];
990		1379
991	my $guard = cf::lock_acquire "user_find:$login";	1380	my $guard = cf::lock_acquire "user_find:$login";
992		1381
993	$cf::PLAYER{$_[0]} || do {	1382	$cf::PLAYER{$_[0]} || do {
994	my $pl = load_pl path $login	1383	# rename old playerfiles to new ones
		1384	#TODO: remove when no longer required
		1385	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1386	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1387	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1388	aio_unlink +(playerdir $login) . "/$login.pl";
		1389
		1390	my $f = new_from_file cf::object::thawer path $login
995	or return;	1391	or return;
		1392
		1393	my $pl = cf::player::load_pl $f
		1394	or return;
		1395	local $cf::PLAYER_LOADING{$login} = $pl;
		1396	$f->resolve_delayed_derefs;
996	$cf::PLAYER{$login} = $pl	1397	$cf::PLAYER{$login} = $pl
997	}	1398	}
998	}	1399	}
999	}	1400	}
1000		1401
…		…
1010		1411
1011	aio_mkdir playerdir $pl, 0770;	1412	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1413	$pl->{last_save} = $cf::RUNTIME;
1013		1414
1014	$pl->save_pl ($path);	1415	$pl->save_pl ($path);
1015	Coro::cede;	1416	cf::cede_to_tick;
1016	}	1417	}
1017		1418
1018	sub new($) {	1419	sub new($) {
1019	my ($login) = @_;	1420	my ($login) = @_;
1020		1421
…		…
1026	$cf::PLAYER{$login} = $self;	1427	$cf::PLAYER{$login} = $self;
1027		1428
1028	$self	1429	$self
1029	}	1430	}
1030		1431
		1432	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1433
		1434	=cut
		1435
		1436	sub send_msg {
		1437	my $ns = shift->ns
		1438	or return;
		1439	$ns->send_msg (@_);
		1440	}
		1441
1031	=item $pl->quit_character	1442	=item $pl->quit_character
1032		1443
1033	Nukes the player without looking back. If logged in, the connection will	1444	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1445	be destroyed. May block for a long time.
1035		1446
1036	=cut	1447	=cut
1037		1448
1038	sub quit_character {	1449	sub quit_character {
1039	my ($pl) = @_;	1450	my ($pl) = @_;
		1451
		1452	my $name = $pl->ob->name;
1040		1453
1041	$pl->{deny_save} = 1;	1454	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1455	$pl->password ("*"); # this should lock out the player until we nuked the dir
1043		1456
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1457	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1049	my $path = playerdir $pl;	1462	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1463	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1464	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1465	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1466	$pl->destroy;
		1467
		1468	my $prefix = qr<^~\Q$name\E/>;
		1469
		1470	# nuke player maps
		1471	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1472
1054	IO::AIO::aio_rmtree $temp;	1473	IO::AIO::aio_rmtree $temp;
		1474	}
		1475
		1476	=item $pl->kick
		1477
		1478	Kicks a player out of the game. This destroys the connection.
		1479
		1480	=cut
		1481
		1482	sub kick {
		1483	my ($pl, $kicker) = @_;
		1484
		1485	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1486	$pl->killer ("kicked");
		1487	$pl->ns->destroy;
1055	}	1488	}
1056		1489
1057	=item cf::player::list_logins	1490	=item cf::player::list_logins
1058		1491
1059	Returns am arrayref of all valid playernames in the system, can take a	1492	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1493	while and may block, so not sync_job-capable, ever.
1061		1494
1062	=cut	1495	=cut
1063		1496
1064	sub list_logins {	1497	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1498	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1499	or return [];
1067		1500
1068	my @logins;	1501	my @logins;
1069		1502
1070	for my $login (@$dirs) {	1503	for my $login (@$dirs) {
		1504	my $path = path $login;
		1505
		1506	# a .pst is a dead give-away for a valid player
		1507	unless (-e "$path.pst") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1508	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1509	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1510	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1511	}
1074		1512
1075	utf8::decode $login;	1513	utf8::decode $login;
1076	push @logins, $login;	1514	push @logins, $login;
1077	}	1515	}
1078		1516
…		…
1105	}	1543	}
1106		1544
1107	\@paths	1545	\@paths
1108	}	1546	}
1109		1547
		1548	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1549
		1550	Expand crossfire pod fragments into protocol xml.
		1551
		1552	=cut
		1553
		1554	sub expand_cfpod {
		1555	((my $self), (local $_)) = @_;
		1556
		1557	# escape & and <
		1558	s/&/&amp;/g;
		1559	s/(?<![BIUGHT])</&lt;/g;
		1560
		1561	# this is buggy, it needs to properly take care of nested <'s
		1562
		1563	1 while
		1564	# replace B<>, I<>, U<> etc.
		1565	s/B<([^\>]*)>/<b>$1<\/b>/
		1566	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1567	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1568	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1569	# replace G<male|female> tags
		1570	|| s{G<([^>|]*)\|([^>]*)>}{
		1571	$self->gender ? $2 : $1
		1572	}ge
		1573	# replace H<hint text>
		1574	|| s{H<([^\>]*)>}
		1575	{
		1576	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1577	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1578	"")
		1579	[$self->{hintmode}]
		1580	}ge;
		1581
		1582	# create single paragraphs (very hackish)
		1583	s/(?<=\S)\n(?=\w)/ /g;
		1584
		1585	# compress some whitespace
		1586	s/\s+\n/\n/g; # ws line-ends
		1587	s/\n\n+/\n/g; # double lines
		1588	s/^\n+//; # beginning lines
		1589	s/\n+$//; # ending lines
		1590
		1591	$_
		1592	}
		1593
		1594	sub hintmode {
		1595	$_[0]{hintmode} = $_[1] if @_ > 1;
		1596	$_[0]{hintmode}
		1597	}
		1598
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1599	=item $player->ext_reply ($msgid, @msg)
1111		1600
1112	Sends an ext reply to the player.	1601	Sends an ext reply to the player.
1113		1602
1114	=cut	1603	=cut
1115		1604
1116	sub ext_reply($$$%) {	1605	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1606	my ($self, $id, @msg) = @_;
1118		1607
1119	$msg{msgid} = $id;	1608	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1609	}
1123		1610
1124	package cf;	1611	=item $player->ext_msg ($type, @msg)
		1612
		1613	Sends an ext event to the client.
		1614
		1615	=cut
		1616
		1617	sub ext_msg($$@) {
		1618	my ($self, $type, @msg) = @_;
		1619
		1620	$self->ns->ext_msg ($type, @msg);
		1621	}
		1622
		1623	=head3 cf::region
		1624
		1625	=over 4
		1626
		1627	=cut
		1628
		1629	package cf::region;
		1630
		1631	=item cf::region::find_by_path $path
		1632
		1633	Tries to decuce the likely region for a map knowing only its path.
		1634
		1635	=cut
		1636
		1637	sub find_by_path($) {
		1638	my ($path) = @_;
		1639
		1640	my ($match, $specificity);
		1641
		1642	for my $region (list) {
		1643	if ($region->{match} && $path =~ $region->{match}) {
		1644	($match, $specificity) = ($region, $region->specificity)
		1645	if $region->specificity > $specificity;
		1646	}
		1647	}
		1648
		1649	$match
		1650	}
1125		1651
1126	=back	1652	=back
1127
1128		1653
1129	=head3 cf::map	1654	=head3 cf::map
1130		1655
1131	=over 4	1656	=over 4
1132		1657
…		…
1187	my ($self, $merge) = @_;	1712	my ($self, $merge) = @_;
1188		1713
1189	# we have to keep some variables in memory intact	1714	# we have to keep some variables in memory intact
1190	local $self->{path};	1715	local $self->{path};
1191	local $self->{load_path};	1716	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1717
1195	$self->SUPER::thawer_merge ($merge);	1718	$self->SUPER::thawer_merge ($merge);
1196	}	1719	}
1197		1720
1198	sub normalise {	1721	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1768	$self->init; # pass $1 etc.
1246	return $self;	1769	return $self;
1247	}	1770	}
1248	}	1771	}
1249		1772
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1773	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1774	()
1252	}	1775	}
1253		1776
1254	sub init {	1777	sub init {
1255	my ($self) = @_;	1778	my ($self) = @_;
…		…
1270		1793
1271	# the original (read-only) location	1794	# the original (read-only) location
1272	sub load_path {	1795	sub load_path {
1273	my ($self) = @_;	1796	my ($self) = @_;
1274		1797
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1798	"$MAPDIR/$self->{path}.map"
1276	}	1799	}
1277		1800
1278	# the temporary/swap location	1801	# the temporary/swap location
1279	sub save_path {	1802	sub save_path {
1280	my ($self) = @_;	1803	my ($self) = @_;
1281		1804
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1805	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1806	"$TMPDIR/$path.map"
1284	}	1807	}
1285		1808
1286	# the unique path, undef == no special unique path	1809	# the unique path, undef == no special unique path
1287	sub uniq_path {	1810	sub uniq_path {
1288	my ($self) = @_;	1811	my ($self) = @_;
1289		1812
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1813	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1814	"$UNIQUEDIR/$path"
1292	}	1815	}
1293		1816
1294	# and all this just because we cannot iterate over	1817	# and all this just because we cannot iterate over
1295	# all maps in C++...	1818	# all maps in C++...
1296	sub change_all_map_light {	1819	sub change_all_map_light {
…		…
1298		1821
1299	$_->change_map_light ($change)	1822	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1823	for grep $_->outdoor, values %cf::MAP;
1301	}	1824	}
1302		1825
		1826	sub decay_objects {
		1827	my ($self) = @_;
		1828
		1829	return if $self->{deny_reset};
		1830
		1831	$self->do_decay_objects;
		1832	}
		1833
1303	sub unlink_save {	1834	sub unlink_save {
1304	my ($self) = @_;	1835	my ($self) = @_;
1305		1836
1306	utf8::encode (my $save = $self->save_path);	1837	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1838	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1839	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	1840	}
1315		1841
1316	sub load_header_from($) {	1842	sub load_header_from($) {
1317	my ($self, $path) = @_;	1843	my ($self, $path) = @_;
1318		1844
1319	utf8::encode $path;	1845	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	1846	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	1847	or return;
		1848
		1849	$self->_load_header ($f)
		1850	or return;
		1851
		1852	local $MAP_LOADING{$self->{path}} = $self;
		1853	$f->resolve_delayed_derefs;
1325		1854
1326	$self->{load_path} = $path;	1855	$self->{load_path} = $path;
1327		1856
1328	1	1857	1
1329	}	1858	}
…		…
1368	$self->load_header_orig	1897	$self->load_header_orig
1369	or return;	1898	or return;
1370	$self->prepare_orig;	1899	$self->prepare_orig;
1371	}	1900	}
1372		1901
		1902	$self->{deny_reset} = 1
		1903	if $self->no_reset;
		1904
		1905	$self->default_region (cf::region::find_by_path $self->{path})
		1906	unless $self->default_region;
		1907
1373	1	1908	1
1374	}	1909	}
1375		1910
1376	sub find;	1911	sub find;
1377	sub find {	1912	sub find {
1378	my ($path, $origin) = @_;	1913	my ($path, $origin) = @_;
1379		1914
1380	$path = normalise $path, $origin && $origin->path;	1915	$path = normalise $path, $origin && $origin->path;
1381		1916
		1917	cf::lock_wait "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	1918	cf::lock_wait "map_find:$path";
1383		1919
1384	$cf::MAP{$path} || do {	1920	$cf::MAP{$path} || do {
1385	my $guard = cf::lock_acquire "map_find:$path";	1921	my $guard1 = cf::lock_acquire "map_find:$path";
		1922	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1923
1386	my $map = new_from_path cf::map $path	1924	my $map = new_from_path cf::map $path
1387	or return;	1925	or return;
1388		1926
1389	$map->{last_save} = $cf::RUNTIME;	1927	$map->{last_save} = $cf::RUNTIME;
1390		1928
1391	$map->load_header	1929	$map->load_header
1392	or return;	1930	or return;
1393		1931
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1932	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1933	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1934	#$cf::WAIT_FOR_TICK->wait;
		1935	undef $guard1;
		1936	undef $guard2;
1397	$map->reset;	1937	$map->reset;
1398	undef $guard;
1399	return find $path;	1938	return find $path;
1400	}	1939	}
1401		1940
1402	$cf::MAP{$path} = $map	1941	$cf::MAP{$path} = $map
1403	}	1942	}
…		…
1410	my ($self) = @_;	1949	my ($self) = @_;
1411		1950
1412	local $self->{deny_reset} = 1; # loading can take a long time	1951	local $self->{deny_reset} = 1; # loading can take a long time
1413		1952
1414	my $path = $self->{path};	1953	my $path = $self->{path};
		1954
		1955	{
1415	my $guard = cf::lock_acquire "map_load:$path";	1956	my $guard = cf::lock_acquire "map_data:$path";
1416		1957
		1958	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	1959	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		1960
1419	$self->in_memory (cf::MAP_LOADING);	1961	$self->in_memory (cf::MAP_LOADING);
1420		1962
1421	$self->alloc;	1963	$self->alloc;
1422		1964
1423	$self->pre_load;	1965	$self->pre_load;
		1966	cf::cede_to_tick;
1424		1967
1425	$self->_load_objects ($self->{load_path}, 1)	1968	my $f = new_from_file cf::object::thawer $self->{load_path};
		1969	$f->skip_block;
		1970	$self->_load_objects ($f)
1426	or return;	1971	or return;
1427		1972
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1973	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1429	if delete $self->{load_original};	1974	if delete $self->{load_original};
1430		1975
1431	if (my $uniq = $self->uniq_path) {	1976	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	1977	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	1978	unless (aio_stat $uniq) {
		1979	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	1980	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	1981	$self->_load_objects ($f);
		1982	$f->resolve_delayed_derefs;
		1983	}
1436	}	1984	}
1437	}	1985	}
1438		1986
1439	Coro::cede;	1987	$f->resolve_delayed_derefs;
1440		1988
		1989	cf::cede_to_tick;
1441	# now do the right thing for maps	1990	# now do the right thing for maps
1442	$self->link_multipart_objects;	1991	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;
1449	$self->set_darkness_map;
1450	$self->difficulty ($self->estimate_difficulty)	1992	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	1993	unless $self->difficulty;
1452	Coro::cede;	1994	cf::cede_to_tick;
		1995
		1996	unless ($self->{deny_activate}) {
		1997	$self->decay_objects;
		1998	$self->fix_auto_apply;
		1999	$self->update_buttons;
		2000	cf::cede_to_tick;
		2001	$self->set_darkness_map;
		2002	cf::cede_to_tick;
1453	$self->activate;	2003	$self->activate;
		2004	}
		2005
		2006	$self->{last_save} = $cf::RUNTIME;
		2007	$self->last_access ($cf::RUNTIME);
		2008
		2009	$self->in_memory (cf::MAP_IN_MEMORY);
1454	}	2010	}
1455		2011
1456	$self->post_load;	2012	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	2013	}
1460		2014
1461	sub customise_for {	2015	sub customise_for {
1462	my ($self, $ob) = @_;	2016	my ($self, $ob) = @_;
1463		2017
1464	return find "~" . $ob->name . "/" . $self->{path}	2018	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2019	if $self->per_player;
1466		2020
		2021	# return find "?party/" . $ob->name . "/" . $self->{path}
		2022	# if $self->per_party;
		2023
1467	$self	2024	$self
1468	}	2025	}
1469		2026
1470	# find and load all maps in the 3x3 area around a map	2027	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	2028	sub load_neighbours {
1472	my ($map) = @_;	2029	my ($map) = @_;
1473		2030
1474	my @diag; # diagonal neighbours	2031	my @neigh; # diagonal neighbours
1475		2032
1476	for (0 .. 3) {	2033	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	2034	my $neigh = $map->tile_path ($_)
1478	or next;	2035	or next;
1479	$neigh = find $neigh, $map	2036	$neigh = find $neigh, $map
1480	or next;	2037	or next;
1481	$neigh->load;	2038	$neigh->load;
1482		2039
		2040	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2041	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2042	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2043	}
1486		2044
1487	for (@diag) {	2045	for (grep defined $_->[0], @neigh) {
		2046	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2047	my $neigh = find $path, $origin
1489	or next;	2048	or next;
1490	$neigh->load;	2049	$neigh->load;
1491	}	2050	}
1492	}	2051	}
1493		2052
…		…
1498	}	2057	}
1499		2058
1500	sub do_load_sync {	2059	sub do_load_sync {
1501	my ($map) = @_;	2060	my ($map) = @_;
1502		2061
		2062	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2063	if $Coro::current == $Coro::main;
		2064
1503	cf::sync_job { $map->load };	2065	cf::sync_job { $map->load };
1504	}	2066	}
1505		2067
1506	our %MAP_PREFETCH;	2068	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2069	our $MAP_PREFETCHER = undef;
1508		2070
1509	sub find_async {	2071	sub find_async {
1510	my ($path, $origin) = @_;	2072	my ($path, $origin, $load) = @_;
1511		2073
1512	$path = normalise $path, $origin && $origin->{path};	2074	$path = normalise $path, $origin && $origin->{path};
1513		2075
1514	if (my $map = $cf::MAP{$path}) {	2076	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2077	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1516	}	2078	}
1517		2079
1518	undef $MAP_PREFETCH{$path};	2080	$MAP_PREFETCH{$path} |= $load;
		2081
1519	$MAP_PREFETCHER ||= cf::async {	2082	$MAP_PREFETCHER ||= cf::async {
		2083	$Coro::current->{desc} = "map prefetcher";
		2084
1520	while (%MAP_PREFETCH) {	2085	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2086	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2087	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2088	$map->load if $v;
		2089	}
1525		2090
1526	delete $MAP_PREFETCH{$path};	2091	delete $MAP_PREFETCH{$k};
1527	}	2092	}
1528	}	2093	}
1529	undef $MAP_PREFETCHER;	2094	undef $MAP_PREFETCHER;
1530	};	2095	};
1531	$MAP_PREFETCHER->prio (6);	2096	$MAP_PREFETCHER->prio (6);
…		…
1534	}	2099	}
1535		2100
1536	sub save {	2101	sub save {
1537	my ($self) = @_;	2102	my ($self) = @_;
1538		2103
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;	2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
1540		2105
1541	$self->{last_save} = $cf::RUNTIME;	2106	$self->{last_save} = $cf::RUNTIME;
1542		2107
1543	return unless $self->dirty;	2108	return unless $self->dirty;
1544		2109
…		…
1550	return if $self->{deny_save};	2115	return if $self->{deny_save};
1551		2116
1552	local $self->{last_access} = $self->last_access;#d#	2117	local $self->{last_access} = $self->last_access;#d#
1553		2118
1554	cf::async {	2119	cf::async {
		2120	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2121	$_->contr->save for $self->players;
1556	};	2122	};
1557		2123
1558	if ($uniq) {	2124	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2125	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1567	my ($self) = @_;	2133	my ($self) = @_;
1568		2134
1569	# save first because save cedes	2135	# save first because save cedes
1570	$self->save;	2136	$self->save;
1571		2137
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2138	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2139
1574	return if $self->players;	2140	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;	2141	return if $self->in_memory != cf::MAP_IN_MEMORY;
1576	return if $self->{deny_save};	2142	return if $self->{deny_save};
1577		2143
		2144	$self->in_memory (cf::MAP_SWAPPED);
		2145
		2146	$self->deactivate;
		2147	$_->clear_links_to ($self) for values %cf::MAP;
1578	$self->clear;	2148	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2149	}
1581		2150
1582	sub reset_at {	2151	sub reset_at {
1583	my ($self) = @_;	2152	my ($self) = @_;
1584		2153
1585	# TODO: safety, remove and allow resettable per-player maps	2154	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2155	return 1e99 if $self->{deny_reset};
1588		2156
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2157	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2158	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2159
…		…
1602	my ($self) = @_;	2170	my ($self) = @_;
1603		2171
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2173
1606	return if $self->players;	2174	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2175
1609	warn "resetting map ", $self->path;#d#	2176	warn "resetting map ", $self->path;
		2177
		2178	$self->in_memory (cf::MAP_SWAPPED);
		2179
		2180	# need to save uniques path
		2181	unless ($self->{deny_save}) {
		2182	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2183
		2184	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2185	if $uniq;
		2186	}
1610		2187
1611	delete $cf::MAP{$self->path};	2188	delete $cf::MAP{$self->path};
1612		2189
1613	$self->in_memory (cf::MAP_SWAPPED);	2190	$self->deactivate;
		2191	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2192	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2193
1618	$self->unlink_save;	2194	$self->unlink_save;
1619	$self->destroy;	2195	$self->destroy;
1620	}	2196	}
1621		2197
1622	my $nuke_counter = "aaaa";	2198	my $nuke_counter = "aaaa";
1623		2199
1624	sub nuke {	2200	sub nuke {
1625	my ($self) = @_;	2201	my ($self) = @_;
1626		2202
		2203	{
		2204	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2205
1627	delete $cf::MAP{$self->path};	2206	delete $cf::MAP{$self->path};
1628		2207
1629	$self->unlink_save;	2208	$self->unlink_save;
1630		2209
1631	bless $self, "cf::map";	2210	bless $self, "cf::map";
1632	delete $self->{deny_reset};	2211	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2212	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2213	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2214	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2215
1637	$cf::MAP{$self->path} = $self;	2216	$cf::MAP{$self->path} = $self;
		2217	}
1638		2218
1639	$self->reset; # polite request, might not happen	2219	$self->reset; # polite request, might not happen
		2220	}
		2221
		2222	=item $maps = cf::map::tmp_maps
		2223
		2224	Returns an arrayref with all map paths of currently instantiated and saved
		2225	maps. May block.
		2226
		2227	=cut
		2228
		2229	sub tmp_maps() {
		2230	[
		2231	map {
		2232	utf8::decode $_;
		2233	/\.map$/
		2234	? normalise $_
		2235	: ()
		2236	} @{ aio_readdir $TMPDIR or [] }
		2237	]
		2238	}
		2239
		2240	=item $maps = cf::map::random_maps
		2241
		2242	Returns an arrayref with all map paths of currently instantiated and saved
		2243	random maps. May block.
		2244
		2245	=cut
		2246
		2247	sub random_maps() {
		2248	[
		2249	map {
		2250	utf8::decode $_;
		2251	/\.map$/
		2252	? normalise "?random/$_"
		2253	: ()
		2254	} @{ aio_readdir $RANDOMDIR or [] }
		2255	]
1640	}	2256	}
1641		2257
1642	=item cf::map::unique_maps	2258	=item cf::map::unique_maps
1643		2259
1644	Returns an arrayref of paths of all shared maps that have	2260	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2261	instantiated unique items. May block.
1646		2262
1647	=cut	2263	=cut
1648		2264
1649	sub unique_maps() {	2265	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2266	[
1651	or return;	2267	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2268	utf8::decode $_;
1657	next if /\.pst$/;	2269	/\.map$/
1658	next unless /^$PATH_SEP/o;	2270	? normalise $_
1659		2271	: ()
1660	push @paths, cf::map::normalise $_;	2272	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2273	]
1662
1663	\@paths
1664	}	2274	}
1665		2275
1666	package cf;	2276	package cf;
1667		2277
1668	=back	2278	=back
…		…
1686	map { $_, inv_recursive_ $_->inv } @_	2296	map { $_, inv_recursive_ $_->inv } @_
1687	}	2297	}
1688		2298
1689	sub inv_recursive {	2299	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2300	inv_recursive_ inv $_[0]
		2301	}
		2302
		2303	=item $ref = $ob->ref
		2304
		2305	creates and returns a persistent reference to an objetc that can be stored as a string.
		2306
		2307	=item $ob = cf::object::deref ($refstring)
		2308
		2309	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2310	even if the object actually exists. May block.
		2311
		2312	=cut
		2313
		2314	sub deref {
		2315	my ($ref) = @_;
		2316
		2317	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2318	my ($uuid, $name) = ($1, $2);
		2319	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2320	or return;
		2321	$pl->ob->uuid eq $uuid
		2322	or return;
		2323
		2324	$pl->ob
		2325	} else {
		2326	warn "$ref: cannot resolve object reference\n";
		2327	undef
		2328	}
1691	}	2329	}
1692		2330
1693	package cf;	2331	package cf;
1694		2332
1695	=back	2333	=back
…		…
1714		2352
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2353	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2354
1717	if ($self->{record_replies}) {	2355	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2356	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2357
1719	} else {	2358	} else {
		2359	my $pl = $self->contr;
		2360
		2361	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2362	my $dialog = $pl->{npc_dialog};
		2363	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2364
		2365	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2366	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2367	$self->message ($msg, $flags);
		2368	}
1722	}	2369	}
		2370	}
		2371
		2372	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2373
		2374	=cut
		2375
		2376	sub cf::object::send_msg {
		2377	my $pl = shift->contr
		2378	or return;
		2379	$pl->send_msg (@_);
1723	}	2380	}
1724		2381
1725	=item $player_object->may ("access")	2382	=item $player_object->may ("access")
1726		2383
1727	Returns wether the given player is authorized to access resource "access"	2384	Returns wether the given player is authorized to access resource "access"
…		…
1774	$self->deactivate_recursive;	2431	$self->deactivate_recursive;
1775		2432
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2433	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2434
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2435	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2436	if $self->map && $self->map->{path} ne "{link}";
1780		2437
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2438	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2439	}
1783		2440
1784	sub cf::object::player::leave_link {	2441	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2442	my ($self, $map, $x, $y) = @_;
		2443
		2444	return unless $self->contr->active;
1786		2445
1787	my $link_pos = delete $self->{_link_pos};	2446	my $link_pos = delete $self->{_link_pos};
1788		2447
1789	unless ($map) {	2448	unless ($map) {
1790	# restore original map position	2449	# restore original map position
…		…
1804	# use -1 or undef as default coordinates, not 0, 0	2463	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2464	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2465	if $x <=0 && $y <= 0;
1807		2466
1808	$map->load;	2467	$map->load;
1809	$map->load_diag;	2468	$map->load_neighbours;
1810		2469
1811	return unless $self->contr->active;	2470	return unless $self->contr->active;
1812	$self->activate_recursive;	2471	$self->activate_recursive;
		2472
		2473	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2474	$self->enter_map ($map, $x, $y);
1814	}	2475	}
1815		2476
1816	cf::player->attach (	2477	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2478
1820	# abort map switching before logout	2479	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2480	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2481	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2482	the new (success) or old (failed) map position. In either case, $done will
1824	};	2483	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2484
1830	# try to abort aborted map switching on player login :)
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2485	=cut
		2486
		2487	our $GOTOGEN;
1851		2488
1852	sub cf::object::player::goto {	2489	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2490	my ($self, $path, $x, $y, $check, $done) = @_;
		2491
		2492	# do generation counting so two concurrent goto's will be executed in-order
		2493	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2494
1855	$self->enter_link;	2495	$self->enter_link;
1856		2496
1857	(async {	2497	(async {
		2498	$Coro::current->{desc} = "player::goto $path $x $y";
		2499
		2500	# *tag paths override both path and x|y
		2501	if ($path =~ /^\*(.*)$/) {
		2502	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2503	my $ob = $obs[rand @obs];
		2504
		2505	# see if we actually can go there
		2506	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2507	$ob = $obs[rand @obs];
		2508	} else {
		2509	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2510	}
		2511	# else put us there anyways for now #d#
		2512
		2513	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2514	} else {
		2515	($path, $x, $y) = (undef, undef, undef);
		2516	}
		2517	}
		2518
1858	my $map = eval {	2519	my $map = eval {
1859	my $map = cf::map::find $path;	2520	my $map = defined $path ? cf::map::find $path : undef;
		2521
		2522	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2523	$map = $map->customise_for ($self);
		2524	$map = $check->($map) if $check && $map;
		2525	} else {
		2526	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2527	}
		2528
1861	$map	2529	$map
		2530	};
		2531
		2532	if ($@) {
		2533	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2534	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2535	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2536
		2537	if ($gen == $self->{_goto_generation}) {
		2538	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2539	$self->leave_link ($map, $x, $y);
		2540	}
		2541
		2542	$done->() if $done;
1866	})->prio (1);	2543	})->prio (1);
1867	}	2544	}
1868		2545
1869	=item $player_object->enter_exit ($exit_object)	2546	=item $player_object->enter_exit ($exit_object)
1870		2547
…		…
1909		2586
1910	$rmp->{random_seed} ||= $exit->random_seed;	2587	$rmp->{random_seed} ||= $exit->random_seed;
1911		2588
1912	my $data = cf::to_json $rmp;	2589	my $data = cf::to_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2590	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2591	my $meta = "$RANDOMDIR/$md5.meta";
1915		2592
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2593	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2594	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2595	undef $fh;
1919	aio_rename "$meta~", $meta;	2596	aio_rename "$meta~", $meta;
…		…
1928		2605
1929	return unless $self->type == cf::PLAYER;	2606	return unless $self->type == cf::PLAYER;
1930		2607
1931	if ($exit->slaying eq "/!") {	2608	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job	2609	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2610	# the problem is that $exit might not survive long enough
		2611	# so it needs to be done right now, right here
1933	cf::sync_job { prepare_random_map $exit };	2612	cf::sync_job { prepare_random_map $exit };
1934	}	2613	}
1935		2614
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2615	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;	2616	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;	2617	my $sp = $exit->stats->sp;
1939		2618
1940	$self->enter_link;	2619	$self->enter_link;
1941		2620
		2621	# if exit is damned, update players death & WoR home-position
		2622	$self->contr->savebed ($slaying, $hp, $sp)
		2623	if $exit->flag (FLAG_DAMNED);
		2624
1942	(async {	2625	(async {
		2626	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2627
1943	$self->deactivate_recursive; # just to be sure	2628	$self->deactivate_recursive; # just to be sure
1944	unless (eval {	2629	unless (eval {
1945	$self->goto ($slaying, $hp, $sp);	2630	$self->goto ($slaying, $hp, $sp);
1946		2631
1947	1;	2632	1;
1948	}) {	2633	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2634	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2635	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2636	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2637	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2638
1954	warn "ERROR in enter_exit: $@";	2639	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2640	$self->leave_link;
1956	}	2641	}
1957	})->prio (1);	2642	})->prio (1);
…		…
1970		2655
1971	sub cf::client::send_drawinfo {	2656	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2657	my ($self, $text, $flags) = @_;
1973		2658
1974	utf8::encode $text;	2659	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2660	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2661	}
1977		2662
		2663	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2664
		2665	Send a drawinfo or msg packet to the client, formatting the msg for the
		2666	client if neccessary. C<$type> should be a string identifying the type of
		2667	the message, with C<log> being the default. If C<$color> is negative, suppress
		2668	the message unless the client supports the msg packet.
		2669
		2670	=cut
		2671
		2672	our %CHANNEL = (
		2673	"c/identify" => {
		2674	id => "infobox",
		2675	title => "Identify",
		2676	reply => undef,
		2677	tooltip => "Items recently identified",
		2678	},
		2679	"c/examine" => {
		2680	id => "infobox",
		2681	title => "Examine",
		2682	reply => undef,
		2683	tooltip => "Signs and other items you examined",
		2684	},
		2685	"c/lookat" => {
		2686	id => "infobox",
		2687	title => "Look",
		2688	reply => undef,
		2689	tooltip => "What you saw there",
		2690	},
		2691	);
		2692
		2693	sub cf::client::send_msg {
		2694	my ($self, $channel, $msg, $color, @extra) = @_;
		2695
		2696	$msg = $self->pl->expand_cfpod ($msg);
		2697
		2698	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2699
		2700	# check predefined channels, for the benefit of C
		2701	if ($CHANNEL{$channel}) {
		2702	$channel = $CHANNEL{$channel};
		2703
		2704	$self->ext_msg (channel_info => $channel)
		2705	if $self->can_msg;
		2706
		2707	$channel = $channel->{id};
		2708
		2709	} elsif (ref $channel) {
		2710	# send meta info to client, if not yet sent
		2711	unless (exists $self->{channel}{$channel->{id}}) {
		2712	$self->{channel}{$channel->{id}} = $channel;
		2713	$self->ext_msg (channel_info => $channel)
		2714	if $self->can_msg;
		2715	}
		2716
		2717	$channel = $channel->{id};
		2718	}
		2719
		2720	return unless @extra || length $msg;
		2721
		2722	if ($self->can_msg) {
		2723	# default colour, mask it out
		2724	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2725	if $color & cf::NDI_DEF;
		2726
		2727	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2728	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2729	} else {
		2730	if ($color >= 0) {
		2731	# replace some tags by gcfclient-compatible ones
		2732	for ($msg) {
		2733	1 while
		2734	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2735	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2736	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2737	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2738	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2739	}
		2740
		2741	$color &= cf::NDI_COLOR_MASK;
		2742
		2743	utf8::encode $msg;
		2744
		2745	if (0 && $msg =~ /\[/) {
		2746	# COMMAND/INFO
		2747	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2748	} else {
		2749	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2750	$self->send_packet ("drawinfo $color $msg")
		2751	}
		2752	}
		2753	}
		2754	}
		2755
		2756	=item $client->ext_msg ($type, @msg)
		2757
		2758	Sends an ext event to the client.
		2759
		2760	=cut
		2761
		2762	sub cf::client::ext_msg($$@) {
		2763	my ($self, $type, @msg) = @_;
		2764
		2765	if ($self->extcmd == 2) {
		2766	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2767	} elsif ($self->extcmd == 1) { # TODO: remove
		2768	push @msg, msgtype => "event_$type";
		2769	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2770	}
		2771	}
		2772
		2773	=item $client->ext_reply ($msgid, @msg)
		2774
		2775	Sends an ext reply to the client.
		2776
		2777	=cut
		2778
		2779	sub cf::client::ext_reply($$@) {
		2780	my ($self, $id, @msg) = @_;
		2781
		2782	if ($self->extcmd == 2) {
		2783	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2784	} elsif ($self->extcmd == 1) {
		2785	#TODO: version 1, remove
		2786	unshift @msg, msgtype => "reply", msgid => $id;
		2787	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2788	}
		2789	}
1978		2790
1979	=item $success = $client->query ($flags, "text", \&cb)	2791	=item $success = $client->query ($flags, "text", \&cb)
1980		2792
1981	Queues a query to the client, calling the given callback with	2793	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2794	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2795	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2796
1985	Queries can fail, so check the return code. Or don't, as queries will become	2797	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2798	become reliable at some point in the future.
1987		2799
1988	=cut	2800	=cut
1989		2801
1990	sub cf::client::query {	2802	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2803	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2811	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2812	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2813
2002	$self->send_packet ($self->{query_queue}[0][0])	2814	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2815	if @{ $self->{query_queue} } == 1;
		2816
		2817	1
2004	}	2818	}
2005		2819
2006	cf::client->attach (	2820	cf::client->attach (
		2821	on_connect => sub {
		2822	my ($ns) = @_;
		2823
		2824	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2825	},
2007	on_reply => sub {	2826	on_reply => sub {
2008	my ($ns, $msg) = @_;	2827	my ($ns, $msg) = @_;
2009		2828
2010	# this weird shuffling is so that direct followup queries	2829	# this weird shuffling is so that direct followup queries
2011	# get handled first	2830	# get handled first
…		…
2023	} else {	2842	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2843	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2844	}
2026	}	2845	}
2027	},	2846	},
		2847	on_exticmd => sub {
		2848	my ($ns, $buf) = @_;
		2849
		2850	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2851
		2852	if (ref $msg) {
		2853	my ($type, $reply, @payload) =
		2854	"ARRAY" eq ref $msg
		2855	? @$msg
		2856	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2857
		2858	my @reply;
		2859
		2860	if (my $cb = $EXTICMD{$type}) {
		2861	@reply = $cb->($ns, @payload);
		2862	}
		2863
		2864	$ns->ext_reply ($reply, @reply)
		2865	if $reply;
		2866
		2867	} else {
		2868	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2869	}
		2870
		2871	cf::override;
		2872	},
2028	);	2873	);
2029		2874
2030	=item $client->async (\&cb)	2875	=item $client->async (\&cb)
2031		2876
2032	Create a new coroutine, running the specified callback. The coroutine will	2877	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	2918	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	2919	our $safe_hole = new Safe::Hole;
2075		2920
2076	$SIG{FPE} = 'IGNORE';	2921	$SIG{FPE} = 'IGNORE';
2077		2922
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2923	$safe->permit_only (Opcode::opset qw(
		2924	:base_core :base_mem :base_orig :base_math
		2925	grepstart grepwhile mapstart mapwhile
		2926	sort time
		2927	));
2079		2928
2080	# here we export the classes and methods available to script code	2929	# here we export the classes and methods available to script code
2081		2930
2082	=pod	2931	=pod
2083		2932
2084	The following fucntions and emthods are available within a safe environment:	2933	The following functions and methods are available within a safe environment:
2085		2934
2086	cf::object contr pay_amount pay_player map	2935	cf::object
		2936	contr pay_amount pay_player map x y force_find force_add destroy
		2937	insert remove name archname title slaying race decrease_ob_nr
		2938
2087	cf::object::player player	2939	cf::object::player
2088	cf::player peaceful	2940	player
2089	cf::map trigger	2941
		2942	cf::player
		2943	peaceful
		2944
		2945	cf::map
		2946	trigger
2090		2947
2091	=cut	2948	=cut
2092		2949
2093	for (	2950	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	2951	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2952	insert remove inv name archname title slaying race
		2953	decrease_ob_nr destroy)],
2095	["cf::object::player" => qw(player)],	2954	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	2955	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	2956	["cf::map" => qw(trigger)],
2098	) {	2957	) {
2099	no strict 'refs';	2958	no strict 'refs';
…		…
2170	=back	3029	=back
2171		3030
2172	=cut	3031	=cut
2173		3032
2174	#############################################################################	3033	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281
2282	#############################################################################
2283	# the server's init and main functions	3034	# the server's init and main functions
2284		3035
2285	sub load_resources {	3036	sub load_facedata($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3037	my ($path) = @_;
		3038
		3039	# HACK to clear player env face cache, we need some signal framework
		3040	# for this (global event?)
		3041	%ext::player_env::MUSIC_FACE_CACHE = ();
		3042
		3043	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3044
		3045	warn "loading facedata from $path\n";
		3046
		3047	my $facedata;
		3048	0 < aio_load $path, $facedata
		3049	or die "$path: $!";
		3050
		3051	$facedata = Coro::Storable::thaw $facedata;
		3052
		3053	$facedata->{version} == 2
		3054	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3055
		3056	# patch in the exptable
		3057	$facedata->{resource}{"res/exp_table"} = {
		3058	type => FT_RSRC,
		3059	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3060	};
		3061	cf::cede_to_tick;
		3062
		3063	{
		3064	my $faces = $facedata->{faceinfo};
		3065
		3066	while (my ($face, $info) = each %$faces) {
		3067	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3068	cf::face::set_visibility $idx, $info->{visibility};
		3069	cf::face::set_magicmap $idx, $info->{magicmap};
		3070	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3071	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3072
		3073	cf::cede_to_tick;
		3074	}
		3075
		3076	while (my ($face, $info) = each %$faces) {
		3077	next unless $info->{smooth};
		3078	my $idx = cf::face::find $face
		3079	or next;
		3080	if (my $smooth = cf::face::find $info->{smooth}) {
		3081	cf::face::set_smooth $idx, $smooth;
		3082	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3083	} else {
		3084	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3085	}
		3086
		3087	cf::cede_to_tick;
		3088	}
		3089	}
		3090
		3091	{
		3092	my $anims = $facedata->{animinfo};
		3093
		3094	while (my ($anim, $info) = each %$anims) {
		3095	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3096	cf::cede_to_tick;
		3097	}
		3098
		3099	cf::anim::invalidate_all; # d'oh
		3100	}
		3101
		3102	{
		3103	# TODO: for gcfclient pleasure, we should give resources
		3104	# that gcfclient doesn't grok a >10000 face index.
		3105	my $res = $facedata->{resource};
		3106
		3107	my $soundconf = delete $res->{"res/sound.conf"};
		3108
		3109	while (my ($name, $info) = each %$res) {
		3110	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3111	my $data;
		3112
		3113	if ($info->{type} & 1) {
		3114	# prepend meta info
		3115
		3116	my $meta = $enc->encode ({
		3117	name => $name,
		3118	%{ $info->{meta} || {} },
		3119	});
		3120
		3121	$data = pack "(w/a*)*", $meta, $info->{data};
		3122	} else {
		3123	$data = $info->{data};
		3124	}
		3125
		3126	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3127	cf::face::set_type $idx, $info->{type};
		3128
		3129	cf::cede_to_tick;
		3130	}
		3131
		3132	if ($soundconf) {
		3133	$soundconf = $enc->decode (delete $soundconf->{data});
		3134
		3135	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3136	my $sound = $soundconf->{compat}[$_]
		3137	or next;
		3138
		3139	my $face = cf::face::find "sound/$sound->[1]";
		3140	cf::sound::set $sound->[0] => $face;
		3141	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3142	}
		3143
		3144	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3145	my $face = cf::face::find "sound/$v";
		3146	cf::sound::set $k => $face;
		3147	}
		3148	}
		3149	}
		3150
		3151	1
		3152	}
		3153
		3154	register_exticmd fx_want => sub {
		3155	my ($ns, $want) = @_;
		3156
		3157	while (my ($k, $v) = each %$want) {
		3158	$ns->fx_want ($k, $v);
		3159	}
		3160	};
		3161
		3162	sub reload_regions {
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3168	or die "unable to load regions file\n";
2288	}
2289		3169
2290	sub cfg_load {	3170	for (cf::region::list) {
		3171	$_->{match} = qr/$_->{match}/
		3172	if exists $_->{match};
		3173	}
		3174	}
		3175
		3176	sub reload_facedata {
		3177	load_facedata "$DATADIR/facedata"
		3178	or die "unable to load facedata\n";
		3179	}
		3180
		3181	sub reload_archetypes {
		3182	load_resource_file "$DATADIR/archetypes"
		3183	or die "unable to load archetypes\n";
		3184	#d# NEED to laod twice to resolve forward references
		3185	# this really needs to be done in an extra post-pass
		3186	# (which needs to be synchronous, so solve it differently)
		3187	load_resource_file "$DATADIR/archetypes"
		3188	or die "unable to load archetypes\n";
		3189	}
		3190
		3191	sub reload_treasures {
		3192	load_resource_file "$DATADIR/treasures"
		3193	or die "unable to load treasurelists\n";
		3194	}
		3195
		3196	sub reload_resources {
		3197	warn "reloading resource files...\n";
		3198
		3199	reload_regions;
		3200	reload_facedata;
		3201	#reload_archetypes;#d#
		3202	reload_archetypes;
		3203	reload_treasures;
		3204
		3205	warn "finished reloading resource files\n";
		3206	}
		3207
		3208	sub init {
		3209	reload_resources;
		3210	}
		3211
		3212	sub reload_config {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3213	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	3214	or return;
2293		3215
2294	local $/;	3216	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	3217	*CFG = YAML::Syck::Load <$fh>;
2296		3218
…		…
2306	};	3228	};
2307	warn $@ if $@;	3229	warn $@ if $@;
2308	}	3230	}
2309	}	3231	}
2310		3232
2311	sub init {
2312	load_resources;
2313	}
2314
2315	sub main {	3233	sub main {
2316	# we must not ever block the main coroutine	3234	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3235	local $Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3236	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3237	(async {
		3238	$Coro::current->{desc} = "IDLE BUG HANDLER";
2320	Event::one_event;	3239	Event::one_event;
2321	})->prio (Coro::PRIO_MAX);	3240	})->prio (Coro::PRIO_MAX);
2322	};	3241	};
2323		3242
2324	cfg_load;	3243	reload_config;
2325	db_load;	3244	db_init;
2326	load_extensions;	3245	load_extensions;
2327		3246
2328	$TICK_WATCHER->start;	3247	$TICK_WATCHER->start;
2329	Event::loop;	3248	Event::loop;
2330	}	3249	}
…		…
2345	},	3264	},
2346	);	3265	);
2347	}	3266	}
2348	}	3267	}
2349		3268
		3269	sub write_runtime {
		3270	my $runtime = "$LOCALDIR/runtime";
		3271
		3272	# first touch the runtime file to show we are still running:
		3273	# the fsync below can take a very very long time.
		3274
		3275	IO::AIO::aio_utime $runtime, undef, undef;
		3276
		3277	my $guard = cf::lock_acquire "write_runtime";
		3278
		3279	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3280	or return;
		3281
		3282	my $value = $cf::RUNTIME + 90 + 10;
		3283	# 10 is the runtime save interval, for a monotonic clock
		3284	# 60 allows for the watchdog to kill the server.
		3285
		3286	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3287	and return;
		3288
		3289	# always fsync - this file is important
		3290	aio_fsync $fh
		3291	and return;
		3292
		3293	# touch it again to show we are up-to-date
		3294	aio_utime $fh, undef, undef;
		3295
		3296	close $fh
		3297	or return;
		3298
		3299	aio_rename "$runtime~", $runtime
		3300	and return;
		3301
		3302	warn "runtime file written.\n";
		3303
		3304	1
		3305	}
		3306
2350	sub emergency_save() {	3307	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3308	my $freeze_guard = cf::freeze_mainloop;
2352		3309
2353	warn "enter emergency perl save\n";	3310	warn "enter emergency perl save\n";
2354		3311
…		…
2358	# and maps saved/destroyed asynchronously.	3315	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3316	warn "begin emergency player save\n";
2360	for my $login (keys %cf::PLAYER) {	3317	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3318	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3319	$pl->valid or next;
		3320	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3321	$pl->save;
2364	}	3322	}
2365	warn "end emergency player save\n";	3323	warn "end emergency player save\n";
2366		3324
2367	warn "begin emergency map save\n";	3325	warn "begin emergency map save\n";
…		…
2369	my $map = $cf::MAP{$path} or next;	3327	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3328	$map->valid or next;
2371	$map->save;	3329	$map->save;
2372	}	3330	}
2373	warn "end emergency map save\n";	3331	warn "end emergency map save\n";
		3332
		3333	warn "begin emergency database checkpoint\n";
		3334	BDB::db_env_txn_checkpoint $DB_ENV;
		3335	warn "end emergency database checkpoint\n";
2374	};	3336	};
2375		3337
2376	warn "leave emergency perl save\n";	3338	warn "leave emergency perl save\n";
2377	}	3339	}
2378		3340
		3341	sub post_cleanup {
		3342	my ($make_core) = @_;
		3343
		3344	warn Carp::longmess "post_cleanup backtrace"
		3345	if $make_core;
		3346	}
		3347
2379	sub reload() {	3348	sub do_reload_perl() {
2380	# can/must only be called in main	3349	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3350	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3351	warn "can only reload from main coroutine";
2383	return;	3352	return;
2384	}	3353	}
2385		3354
2386	warn "reloading...";	3355	warn "reloading...";
2387		3356
2388	warn "cancelling server ticker";	3357	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3358
		3359	cf::sync_job {
		3360	cf::write_runtime; # external watchdog should not bark
2391	cf::emergency_save;	3361	cf::emergency_save;
		3362	cf::write_runtime; # external watchdog should not bark
2392		3363
2393	eval {	3364	warn "syncing database to disk";
		3365	BDB::db_env_txn_checkpoint $DB_ENV;
		3366
2394	# if anything goes wrong in here, we should simply crash as we already saved	3367	# if anything goes wrong in here, we should simply crash as we already saved
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398		3368
2399	warn "cancelling all WF_AUTOCANCEL watchers";	3369	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {	3370	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;	3371	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}	3372	}
2403		3373
2404	warn "flushing outstanding aio requests";	3374	warn "flushing outstanding aio requests";
2405	for (;;) {	3375	for (;;) {
		3376	BDB::flush;
2406	IO::AIO::flush;	3377	IO::AIO::flush;
2407	Coro::cede;	3378	Coro::cede_notself;
2408	last unless IO::AIO::nreqs;	3379	last unless IO::AIO::nreqs || BDB::nreqs;
2409	warn "iterate...";	3380	warn "iterate...";
2410	}	3381	}
		3382
		3383	++$RELOAD;
2411		3384
2412	warn "cancelling all extension coros";	3385	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3386	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3387	%EXT_CORO = ();
2415		3388
2416	warn "removing commands";	3389	warn "removing commands";
2417	%COMMAND = ();	3390	%COMMAND = ();
2418		3391
2419	warn "removing ext commands";	3392	warn "removing ext/exti commands";
2420	%EXTCMD = ();	3393	%EXTCMD = ();
		3394	%EXTICMD = ();
2421		3395
2422	warn "unloading/nuking all extensions";	3396	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3397	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3398	warn "... unloading $pkg";
2425		3399
…		…
2455	Symbol::delete_package "safe::$_"	3429	Symbol::delete_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3430	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3431
2458	warn "unloading cf.pm \"a bit\"";	3432	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3433	delete $INC{"cf.pm"};
		3434	delete $INC{"cf/pod.pm"};
2460		3435
2461	# don't, removes xs symbols, too,	3436	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3437	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3438	#Symbol::delete_package __PACKAGE__;
2464		3439
…		…
2467	warn "reloading cf.pm";	3442	warn "reloading cf.pm";
2468	require cf;	3443	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3445
2471	warn "loading config and database again";	3446	warn "loading config and database again";
2472	cf::cfg_load;	3447	cf::reload_config;
2473	cf::db_load;
2474		3448
2475	warn "loading extensions";	3449	warn "loading extensions";
2476	cf::load_extensions;	3450	cf::load_extensions;
2477		3451
2478	warn "reattaching attachments to objects/players";	3452	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3453	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3454	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3455	reattach $_ for values %MAP;
		3456	warn "reattaching attachments to players";
		3457	reattach $_ for values %PLAYER;
2482		3458
2483	warn "loading reloadable resources";	3459	warn "leaving sync_job";
2484	load_resources;
2485		3460
2486	warn "restarting server ticker";	3461	1
2487		3462	} or do {
2488	$TICK_WATCHER->start;
2489	};
2490
2491	if ($@) {
2492	warn $@;	3463	warn $@;
2493	warn "error while reloading, exiting.";	3464	warn "error while reloading, exiting.";
2494	exit 1;	3465	exit 1;
2495	}	3466	};
2496		3467
2497	warn "reloaded";	3468	warn "reloaded";
2498	};	3469	};
2499		3470
2500	our $RELOAD_WATCHER; # used only during reload	3471	our $RELOAD_WATCHER; # used only during reload
2501		3472
		3473	sub reload_perl() {
		3474	# doing reload synchronously and two reloads happen back-to-back,
		3475	# coro crashes during coro_state_free->destroy here.
		3476
		3477	$RELOAD_WATCHER ||= Event->timer (
		3478	reentrant => 0,
		3479	after => 0,
		3480	data => WF_AUTOCANCEL,
		3481	cb => sub {
		3482	do_reload_perl;
		3483	undef $RELOAD_WATCHER;
		3484	},
		3485	);
		3486	}
		3487
2502	register_command "reload" => sub {	3488	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3489	my ($who, $arg) = @_;
2504		3490
2505	if ($who->flag (FLAG_WIZ)) {	3491	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3492	$who->message ("reloading server.");
2507		3493	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	3494	$Coro::current->{desc} = "perl_reload";
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;	3495	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	3496	};
2520	}	3497	}
2521	};	3498	};
2522		3499
2523	unshift @INC, $LIBDIR;	3500	unshift @INC, $LIBDIR;
2524		3501
2525	my $bug_warning = 0;	3502	my $bug_warning = 0;
		3503
		3504	our @WAIT_FOR_TICK;
		3505	our @WAIT_FOR_TICK_BEGIN;
		3506
		3507	sub wait_for_tick {
		3508	return unless $TICK_WATCHER->is_active;
		3509	return if $Coro::current == $Coro::main;
		3510
		3511	my $signal = new Coro::Signal;
		3512	push @WAIT_FOR_TICK, $signal;
		3513	$signal->wait;
		3514	}
		3515
		3516	sub wait_for_tick_begin {
		3517	return unless $TICK_WATCHER->is_active;
		3518	return if $Coro::current == $Coro::main;
		3519
		3520	my $signal = new Coro::Signal;
		3521	push @WAIT_FOR_TICK_BEGIN, $signal;
		3522	$signal->wait;
		3523	}
2526		3524
2527	$TICK_WATCHER = Event->timer (	3525	$TICK_WATCHER = Event->timer (
2528	reentrant => 0,	3526	reentrant => 0,
2529	parked => 1,	3527	parked => 1,
2530	prio => 0,	3528	prio => 0,
…		…
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3534	unless ++$bug_warning > 10;
2537	return;	3535	return;
2538	}	3536	}
2539		3537
2540	$NOW = Event::time;	3538	$NOW = $tick_start = Event::time;
2541		3539
2542	cf::server_tick; # one server iteration	3540	cf::server_tick; # one server iteration
		3541
2543	$RUNTIME += $TICK;	3542	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;	3543	$NEXT_TICK += $TICK;
2545		3544
2546	$WAIT_FOR_TICK->broadcast;	3545	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3546	$NEXT_RUNTIME_WRITE = $NOW + 10;
2548		3547	Coro::async_pool {
2549	Event::sweep;	3548	$Coro::current->{desc} = "runtime saver";
2550	Coro::cede_notself;	3549	write_runtime
		3550	or warn "ERROR: unable to write runtime file: $!";
		3551	};
2551		3552	}
2552	# my $AFTER = Event::time;	3553
2553	# warn $AFTER - $NOW;#d#	3554	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3555	$sig->send;
		3556	}
		3557	while (my $sig = shift @WAIT_FOR_TICK) {
		3558	$sig->send;
		3559	}
		3560
		3561	$NOW = Event::time;
2554		3562
2555	# if we are delayed by four ticks or more, skip them all	3563	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3564	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2557		3565
2558	$TICK_WATCHER->at ($NEXT_TICK);	3566	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;	3567	$TICK_WATCHER->start;
		3568
		3569	$LOAD = ($NOW - $tick_start) / $TICK;
		3570	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3571
		3572	_post_tick;
2560	},	3573	},
2561	);	3574	);
2562		3575
2563	{	3576	{
		3577	BDB::min_parallel 8;
2564	BDB::max_poll_time $TICK * 0.1;	3578	BDB::max_poll_time $TICK * 0.1;
2565	$BDB_POLL_WATCHER = Event->io (	3579	$BDB_POLL_WATCHER = Event->io (
2566	reentrant => 0,	3580	reentrant => 0,
2567	fd => BDB::poll_fileno,	3581	fd => BDB::poll_fileno,
2568	poll => 'r',	3582	poll => 'r',
2569	prio => 0,	3583	prio => 0,
2570	data => WF_AUTOCANCEL,	3584	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,	3585	cb => \&BDB::poll_cb,
2572	);	3586	);
2573	BDB::min_parallel 8;
2574		3587
2575	BDB::set_sync_prepare {	3588	BDB::set_sync_prepare {
2576	my $status;	3589	my $status;
2577	my $current = $Coro::current;	3590	my $current = $Coro::current;
2578	(	3591	(
…		…
2587	)	3600	)
2588	};	3601	};
2589		3602
2590	unless ($DB_ENV) {	3603	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3604	$DB_ENV = BDB::db_env_create;
		3605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3606	| BDB::LOG_AUTOREMOVE, 1);
		3607	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3608	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		3609
2593	cf::sync_job {	3610	cf::sync_job {
		3611	eval {
2594	BDB::db_env_open	3612	BDB::db_env_open
2595	$DB_ENV,	3613	$DB_ENV,
2596	$BDB_ENV_DIR,	3614	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3615	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3616	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3617	0666;
2600		3618
2601	cf::cleanup "$!" if $!;	3619	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3620	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3621
2604	$DB_ENV->set_lk_detect;	3622	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	3623	};
2606	}	3624	}
		3625
		3626	$BDB_DEADLOCK_WATCHER = Event->timer (
		3627	after => 3,
		3628	interval => 1,
		3629	hard => 1,
		3630	prio => 0,
		3631	data => WF_AUTOCANCEL,
		3632	cb => sub {
		3633	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3634	},
		3635	);
		3636	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3637	after => 11,
		3638	interval => 60,
		3639	hard => 1,
		3640	prio => 0,
		3641	data => WF_AUTOCANCEL,
		3642	cb => sub {
		3643	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3644	},
		3645	);
		3646	$BDB_TRICKLE_WATCHER = Event->timer (
		3647	after => 5,
		3648	interval => 10,
		3649	hard => 1,
		3650	prio => 0,
		3651	data => WF_AUTOCANCEL,
		3652	cb => sub {
		3653	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3654	},
		3655	);
2607	}	3656	}
2608		3657
2609	{	3658	{
2610	IO::AIO::min_parallel 8;	3659	IO::AIO::min_parallel 8;
2611		3660
2612	undef $Coro::AIO::WATCHER;	3661	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	3662	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	3663	$AIO_POLL_WATCHER = Event->io (
2615	reentrant => 0,	3664	reentrant => 0,
		3665	data => WF_AUTOCANCEL,
2616	fd => IO::AIO::poll_fileno,	3666	fd => IO::AIO::poll_fileno,
2617	poll => 'r',	3667	poll => 'r',
2618	prio => 6,	3668	prio => 0,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,	3669	cb => \&IO::AIO::poll_cb,
2621	);	3670	);
2622	}	3671	}
2623		3672
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	3673	my $_log_backtrace;
2625	reentrant => 0,	3674
2626	data => WF_AUTOCANCEL,	3675	sub _log_backtrace {
2627	after => 1,	3676	my ($msg, @addr) = @_;
2628	interval => 10,	3677
2629	prio => 6, # keep it lowest so it acts like a watchdog	3678	$msg =~ s/\n//;
2630	cb => Coro::unblock_sub {	3679
2631	write_runtime	3680	# limit the # of concurrent backtraces
2632	or warn "ERROR: unable to write runtime file: $!";	3681	if ($_log_backtrace < 2) {
		3682	++$_log_backtrace;
		3683	async {
		3684	$Coro::current->{desc} = "abt $msg";
		3685
		3686	my @bt = fork_call {
		3687	@addr = map { sprintf "%x", $_ } @addr;
		3688	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3689	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3690	or die "addr2line: $!";
		3691
		3692	my @funcs;
		3693	my @res = <$fh>;
		3694	chomp for @res;
		3695	while (@res) {
		3696	my ($func, $line) = splice @res, 0, 2, ();
		3697	push @funcs, "[$func] $line";
		3698	}
		3699
		3700	@funcs
		3701	};
		3702
		3703	LOG llevInfo, "[ABT] $msg\n";
		3704	LOG llevInfo, "[ABT] $_\n" for @bt;
		3705	--$_log_backtrace;
		3706	};
		3707	} else {
		3708	LOG llevInfo, "[ABT] $msg\n";
		3709	LOG llevInfo, "[ABT] [suppressed]\n";
2633	},	3710	}
2634	);	3711	}
		3712
		3713	# load additional modules
		3714	use cf::pod;
2635		3715
2636	END { cf::emergency_save }	3716	END { cf::emergency_save }
2637		3717
2638	1	3718	1
2639		3719

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