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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.206 by root, Sun Feb 11 22:27:05 2007 UTC vs.
Revision 1.391 by root, Fri Oct 26 04:22:05 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::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;
		1126
820	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
821	}	1129	}
822		1130
		1131	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1133	$decname, length $data, scalar @{$av || []};
		1134
825	return ($data, $av);	1135	($data, $av)
826	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
827		1143
828	#############################################################################	1144	#############################################################################
829	# command handling &c	1145	# command handling &c
830		1146
831	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1161	}
846		1162
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1164
849	Register a callbackf ro execution when the client sends an extcmd packet.	1165	Register a callback for execution when the client sends an (synchronous)
		1166	extcmd packet. Ext commands will be processed in the order they are
		1167	received by the server, like other user commands. The first argument is
		1168	the logged-in player. Ext commands can only be processed after a player
		1169	has logged in successfully.
850		1170
851	If the callback returns something, it is sent back as if reply was being	1171	If the callback returns something, it is sent back as if reply was being
852	called.	1172	called.
853		1173
		1174	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1175
		1176	Register a callback for execution when the client sends an (asynchronous)
		1177	exticmd packet. Exti commands are processed by the server as soon as they
		1178	are received, i.e. out of order w.r.t. other commands. The first argument
		1179	is a client socket. Exti commands can be received anytime, even before
		1180	log-in.
		1181
		1182	If the callback returns something, it is sent back as if reply was being
		1183	called.
		1184
854	=cut	1185	=cut
855		1186
856	sub register_extcmd {	1187	sub register_extcmd {
857	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
858		1189
859	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
860	}	1197	}
861		1198
862	cf::player->attach (	1199	cf::player->attach (
863	on_command => sub {	1200	on_command => sub {
864	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
873	cf::override;	1210	cf::override;
874	},	1211	},
875	on_extcmd => sub {	1212	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
877		1214
878	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1216
880	if (ref $msg) {	1217	if (ref $msg) {
		1218	my ($type, $reply, @payload) =
		1219	"ARRAY" eq ref $msg
		1220	? @$msg
		1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1222
		1223	my @reply;
		1224
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
886	} else {	1232	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1234	}
889		1235
890	cf::override;	1236	cf::override;
891	},	1237	},
892	);	1238	);
893		1239
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 {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
929	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1245	next unless -r $path;
931	eval {	1246
932	load_extension $ext;	1247	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1248	my $base = $1;
		1249	my $pkg = $1;
		1250	$pkg =~ s/[^[:word:]]/_/g;
		1251	$pkg = "ext::$pkg";
		1252
		1253	open my $fh, "<:utf8", $path
		1254	or die "$path: $!";
		1255
		1256	my $source = do { local $/; <$fh> };
		1257
		1258	my %ext = (
		1259	path => $path,
		1260	base => $base,
		1261	pkg => $pkg,
		1262	);
		1263
		1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1266
		1267	$ext{source} =
		1268	"package $pkg; use strict; use utf8;\n"
		1269	. "#line 1 \"$path\"\n{\n"
		1270	. $source
		1271	. "\n};\n1";
		1272
		1273	$todo{$base} = \%ext;
		1274	}
		1275
		1276	my %done;
		1277	while (%todo) {
		1278	my $progress;
		1279
		1280	while (my ($k, $v) = each %todo) {
		1281	for (split /,\s*/, $v->{meta}{depends}) {
		1282	goto skip
		1283	unless exists $done{$_};
		1284	}
		1285
		1286	warn "... loading '$k' into '$v->{pkg}'\n";
		1287
		1288	unless (eval $v->{source}) {
		1289	my $msg = $@ ? "$v->{path}: $@\n"
		1290	: "$v->{base}: extension inactive.\n";
		1291
		1292	if (exists $v->{meta}{mandatory}) {
		1293	warn $msg;
		1294	warn "mandatory extension failed to load, exiting.\n";
		1295	exit 1;
		1296	}
		1297
		1298	warn $msg;
		1299	}
		1300
		1301	$done{$k} = delete $todo{$k};
		1302	push @EXTS, $v->{pkg};
		1303	$progress = 1;
933	1	1304	}
934	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
935	}	1310	};
936	}	1311	}
937		1312
938	#############################################################################	1313	#############################################################################
939		1314
		1315	=back
		1316
940	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
941		1318
942	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
943		1320
944	=cut	1321	=cut
…		…
949		1326
950	=head3 cf::player	1327	=head3 cf::player
951		1328
952	=over 4	1329	=over 4
953		1330
		1331	=item cf::player::num_playing
		1332
		1333	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1334
		1335	=cut
		1336
		1337	sub num_playing {
		1338	scalar grep
		1339	$_->ob->map
		1340	&& !$_->hidden
		1341	&& !$_->ob->flag (cf::FLAG_WIZ),
		1342	cf::player::list
		1343	}
		1344
954	=item cf::player::find $login	1345	=item cf::player::find $login
955		1346
956	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
957		1348
958	=cut	1349	=cut
959		1350
960	sub playerdir($) {	1351	sub playerdir($) {
961	cf::localdir	1352	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1353	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1354	}
967		1355
968	sub path($) {	1356	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1357	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1358
971	(playerdir $login) . "/$login.pl"	1359	(playerdir $login) . "/playerdata"
972	}	1360	}
973		1361
974	sub find_active($) {	1362	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1363	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1364	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1377	my $login = $_[0];
990		1378
991	my $guard = cf::lock_acquire "user_find:$login";	1379	my $guard = cf::lock_acquire "user_find:$login";
992		1380
993	$cf::PLAYER{$_[0]} || do {	1381	$cf::PLAYER{$_[0]} || do {
994	my $pl = load_pl path $login	1382	# rename old playerfiles to new ones
		1383	#TODO: remove when no longer required
		1384	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1385	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1386	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1387	aio_unlink +(playerdir $login) . "/$login.pl";
		1388
		1389	my $f = new_from_file cf::object::thawer path $login
995	or return;	1390	or return;
		1391
		1392	my $pl = cf::player::load_pl $f
		1393	or return;
		1394	local $cf::PLAYER_LOADING{$login} = $pl;
		1395	$f->resolve_delayed_derefs;
996	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
997	}	1397	}
998	}	1398	}
999	}	1399	}
1000		1400
…		…
1010		1410
1011	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
1013		1413
1014	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
1015	Coro::cede;	1415	cf::cede_to_tick;
1016	}	1416	}
1017		1417
1018	sub new($) {	1418	sub new($) {
1019	my ($login) = @_;	1419	my ($login) = @_;
1020		1420
…		…
1026	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1027		1427
1028	$self	1428	$self
1029	}	1429	}
1030		1430
		1431	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1432
		1433	=cut
		1434
		1435	sub send_msg {
		1436	my $ns = shift->ns
		1437	or return;
		1438	$ns->send_msg (@_);
		1439	}
		1440
1031	=item $pl->quit_character	1441	=item $pl->quit_character
1032		1442
1033	Nukes the player without looking back. If logged in, the connection will	1443	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1444	be destroyed. May block for a long time.
1035		1445
1036	=cut	1446	=cut
1037		1447
1038	sub quit_character {	1448	sub quit_character {
1039	my ($pl) = @_;	1449	my ($pl) = @_;
		1450
		1451	my $name = $pl->ob->name;
1040		1452
1041	$pl->{deny_save} = 1;	1453	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1454	$pl->password ("*"); # this should lock out the player until we nuked the dir
1043		1455
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1049	my $path = playerdir $pl;	1461	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1462	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1463	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1464	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1465	$pl->destroy;
		1466
		1467	my $prefix = qr<^~\Q$name\E/>;
		1468
		1469	# nuke player maps
		1470	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1471
1054	IO::AIO::aio_rmtree $temp;	1472	IO::AIO::aio_rmtree $temp;
		1473	}
		1474
		1475	=item $pl->kick
		1476
		1477	Kicks a player out of the game. This destroys the connection.
		1478
		1479	=cut
		1480
		1481	sub kick {
		1482	my ($pl, $kicker) = @_;
		1483
		1484	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1485	$pl->killer ("kicked");
		1486	$pl->ns->destroy;
1055	}	1487	}
1056		1488
1057	=item cf::player::list_logins	1489	=item cf::player::list_logins
1058		1490
1059	Returns am arrayref of all valid playernames in the system, can take a	1491	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1492	while and may block, so not sync_job-capable, ever.
1061		1493
1062	=cut	1494	=cut
1063		1495
1064	sub list_logins {	1496	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1497	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1498	or return [];
1067		1499
1068	my @logins;	1500	my @logins;
1069		1501
1070	for my $login (@$dirs) {	1502	for my $login (@$dirs) {
		1503	my $path = path $login;
		1504
		1505	# a .pst is a dead give-away for a valid player
		1506	unless (-e "$path.pst") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1074		1511
1075	utf8::decode $login;	1512	utf8::decode $login;
1076	push @logins, $login;	1513	push @logins, $login;
1077	}	1514	}
1078		1515
…		…
1105	}	1542	}
1106		1543
1107	\@paths	1544	\@paths
1108	}	1545	}
1109		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	use re 'eval';
		1554
		1555	my $group;
		1556	my $interior; $interior = qr{
		1557	(?:
		1558	\ (.*?)\ (?{ $group = $^N })
		1559	| < (??{$interior}) >
		1560	)
		1561	}x;
		1562
		1563	sub expand_cfpod {
		1564	my ($self, $pod) = @_;
		1565
		1566	my $xml;
		1567
		1568	while () {
		1569	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?=[^<]) )+ )/xgcs) {
		1570	$group = $1;
		1571
		1572	$group =~ s/&/&amp;/g;
		1573	$group =~ s/</&lt;/g;
		1574
		1575	$xml .= $group;
		1576	} elsif ($pod =~ m%\G
		1577	([BCGHITU])
		1578	<
		1579	(?:
		1580	([^<>]*) (?{ $group = $^N })
		1581	| < $interior >
		1582	)
		1583	>
		1584	%gcsx
		1585	) {
		1586	my ($code, $data) = ($1, $group);
		1587
		1588	if ($code eq "B") {
		1589	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1590	} elsif ($code eq "I") {
		1591	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1592	} elsif ($code eq "U") {
		1593	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1594	} elsif ($code eq "C") {
		1595	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1596	} elsif ($code eq "T") {
		1597	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1598	} elsif ($code eq "G") {
		1599	my ($male, $female) = split /\|/, $data;
		1600	$data = $self->gender ? $female : $male;
		1601	$xml .= expand_cfpod ($self, $data);
		1602	} elsif ($code eq "H") {
		1603	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1604	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1605	"")
		1606	[$self->{hintmode}];
		1607	} else {
		1608	$xml .= "error processing '$code($data)' directive";
		1609	}
		1610	} else {
		1611	if ($pod =~ /\G(.+)/) {
		1612	warn "parse error while expanding $pod (at $1)";
		1613	}
		1614	last;
		1615	}
		1616	}
		1617
		1618	for ($xml) {
		1619	# create single paragraphs (very hackish)
		1620	s/(?<=\S)\n(?=\w)/ /g;
		1621
		1622	# compress some whitespace
		1623	s/\s+\n/\n/g; # ws line-ends
		1624	s/\n\n+/\n/g; # double lines
		1625	s/^\n+//; # beginning lines
		1626	s/\n+$//; # ending lines
		1627	}
		1628
		1629	$xml
		1630	}
		1631
		1632	sub hintmode {
		1633	$_[0]{hintmode} = $_[1] if @_ > 1;
		1634	$_[0]{hintmode}
		1635	}
		1636
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1637	=item $player->ext_reply ($msgid, @msg)
1111		1638
1112	Sends an ext reply to the player.	1639	Sends an ext reply to the player.
1113		1640
1114	=cut	1641	=cut
1115		1642
1116	sub ext_reply($$$%) {	1643	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1644	my ($self, $id, @msg) = @_;
1118		1645
1119	$msg{msgid} = $id;	1646	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1647	}
1123		1648
1124	package cf;	1649	=item $player->ext_msg ($type, @msg)
		1650
		1651	Sends an ext event to the client.
		1652
		1653	=cut
		1654
		1655	sub ext_msg($$@) {
		1656	my ($self, $type, @msg) = @_;
		1657
		1658	$self->ns->ext_msg ($type, @msg);
		1659	}
		1660
		1661	=head3 cf::region
		1662
		1663	=over 4
		1664
		1665	=cut
		1666
		1667	package cf::region;
		1668
		1669	=item cf::region::find_by_path $path
		1670
		1671	Tries to decuce the likely region for a map knowing only its path.
		1672
		1673	=cut
		1674
		1675	sub find_by_path($) {
		1676	my ($path) = @_;
		1677
		1678	my ($match, $specificity);
		1679
		1680	for my $region (list) {
		1681	if ($region->{match} && $path =~ $region->{match}) {
		1682	($match, $specificity) = ($region, $region->specificity)
		1683	if $region->specificity > $specificity;
		1684	}
		1685	}
		1686
		1687	$match
		1688	}
1125		1689
1126	=back	1690	=back
1127
1128		1691
1129	=head3 cf::map	1692	=head3 cf::map
1130		1693
1131	=over 4	1694	=over 4
1132		1695
…		…
1187	my ($self, $merge) = @_;	1750	my ($self, $merge) = @_;
1188		1751
1189	# we have to keep some variables in memory intact	1752	# we have to keep some variables in memory intact
1190	local $self->{path};	1753	local $self->{path};
1191	local $self->{load_path};	1754	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1755
1195	$self->SUPER::thawer_merge ($merge);	1756	$self->SUPER::thawer_merge ($merge);
1196	}	1757	}
1197		1758
1198	sub normalise {	1759	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1246	return $self;	1807	return $self;
1247	}	1808	}
1248	}	1809	}
1249		1810
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1812	()
1252	}	1813	}
1253		1814
1254	sub init {	1815	sub init {
1255	my ($self) = @_;	1816	my ($self) = @_;
…		…
1270		1831
1271	# the original (read-only) location	1832	# the original (read-only) location
1272	sub load_path {	1833	sub load_path {
1273	my ($self) = @_;	1834	my ($self) = @_;
1274		1835
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1836	"$MAPDIR/$self->{path}.map"
1276	}	1837	}
1277		1838
1278	# the temporary/swap location	1839	# the temporary/swap location
1279	sub save_path {	1840	sub save_path {
1280	my ($self) = @_;	1841	my ($self) = @_;
1281		1842
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1844	"$TMPDIR/$path.map"
1284	}	1845	}
1285		1846
1286	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1287	sub uniq_path {	1848	sub uniq_path {
1288	my ($self) = @_;	1849	my ($self) = @_;
1289		1850
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1852	"$UNIQUEDIR/$path"
1292	}	1853	}
1293		1854
1294	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1295	# all maps in C++...	1856	# all maps in C++...
1296	sub change_all_map_light {	1857	sub change_all_map_light {
…		…
1298		1859
1299	$_->change_map_light ($change)	1860	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1861	for grep $_->outdoor, values %cf::MAP;
1301	}	1862	}
1302		1863
		1864	sub decay_objects {
		1865	my ($self) = @_;
		1866
		1867	return if $self->{deny_reset};
		1868
		1869	$self->do_decay_objects;
		1870	}
		1871
1303	sub unlink_save {	1872	sub unlink_save {
1304	my ($self) = @_;	1873	my ($self) = @_;
1305		1874
1306	utf8::encode (my $save = $self->save_path);	1875	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1876	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1877	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	}	1878	}
1315		1879
1316	sub load_header_from($) {	1880	sub load_header_from($) {
1317	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1318		1882
1319	utf8::encode $path;	1883	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	1885	or return;
		1886
		1887	$self->_load_header ($f)
		1888	or return;
		1889
		1890	local $MAP_LOADING{$self->{path}} = $self;
		1891	$f->resolve_delayed_derefs;
1325		1892
1326	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1327		1894
1328	1	1895	1
1329	}	1896	}
…		…
1368	$self->load_header_orig	1935	$self->load_header_orig
1369	or return;	1936	or return;
1370	$self->prepare_orig;	1937	$self->prepare_orig;
1371	}	1938	}
1372		1939
		1940	$self->{deny_reset} = 1
		1941	if $self->no_reset;
		1942
		1943	$self->default_region (cf::region::find_by_path $self->{path})
		1944	unless $self->default_region;
		1945
1373	1	1946	1
1374	}	1947	}
1375		1948
1376	sub find;	1949	sub find;
1377	sub find {	1950	sub find {
1378	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1379		1952
1380	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1381		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1383		1957
1384	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
1385	my $guard = cf::lock_acquire "map_find:$path";	1959	my $guard1 = cf::lock_acquire "map_find:$path";
		1960	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1961
1386	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1387	or return;	1963	or return;
1388		1964
1389	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1390		1966
1391	$map->load_header	1967	$map->load_header
1392	or return;	1968	or return;
1393		1969
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard1;
		1974	undef $guard2;
1397	$map->reset;	1975	$map->reset;
1398	undef $guard;
1399	return find $path;	1976	return find $path;
1400	}	1977	}
1401		1978
1402	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1403	}	1980	}
…		…
1410	my ($self) = @_;	1987	my ($self) = @_;
1411		1988
1412	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1413		1990
1414	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1415	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1416		1995
		1996	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		1998
1419	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1420		2000
1421	$self->alloc;	2001	$self->alloc;
1422		2002
1423	$self->pre_load;	2003	$self->pre_load;
		2004	cf::cede_to_tick;
1424		2005
1425	$self->_load_objects ($self->{load_path}, 1)	2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
		2008	$self->_load_objects ($f)
1426	or return;	2009	or return;
1427		2010
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1429	if delete $self->{load_original};	2012	if delete $self->{load_original};
1430		2013
1431	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2015	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2018	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1436	}	2022	}
1437	}	2023	}
1438		2024
1439	Coro::cede;	2025	$f->resolve_delayed_derefs;
1440		2026
		2027	cf::cede_to_tick;
1441	# now do the right thing for maps	2028	# now do the right thing for maps
1442	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1443
1444	unless ($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)	2030	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2031	unless $self->difficulty;
1452	Coro::cede;	2032	cf::cede_to_tick;
		2033
		2034	unless ($self->{deny_activate}) {
		2035	$self->decay_objects;
		2036	$self->fix_auto_apply;
		2037	$self->update_buttons;
		2038	cf::cede_to_tick;
		2039	$self->set_darkness_map;
		2040	cf::cede_to_tick;
1453	$self->activate;	2041	$self->activate;
		2042	}
		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
		2047	$self->in_memory (cf::MAP_IN_MEMORY);
1454	}	2048	}
1455		2049
1456	$self->post_load;	2050	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	2051	}
1460		2052
1461	sub customise_for {	2053	sub customise_for {
1462	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1463		2055
1464	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2057	if $self->per_player;
1466		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1467	$self	2062	$self
1468	}	2063	}
1469		2064
1470	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	2066	sub load_neighbours {
1472	my ($map) = @_;	2067	my ($map) = @_;
1473		2068
1474	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1475		2070
1476	for (0 .. 3) {	2071	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1478	or next;	2073	or next;
1479	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1480	or next;	2075	or next;
1481	$neigh->load;	2076	$neigh->load;
1482		2077
		2078	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2081	}
1486		2082
1487	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1489	or next;	2086	or next;
1490	$neigh->load;	2087	$neigh->load;
1491	}	2088	}
1492	}	2089	}
1493		2090
…		…
1498	}	2095	}
1499		2096
1500	sub do_load_sync {	2097	sub do_load_sync {
1501	my ($map) = @_;	2098	my ($map) = @_;
1502		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1503	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1504	}	2104	}
1505		2105
1506	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1508		2108
1509	sub find_async {	2109	sub find_async {
1510	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1511		2111
1512	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1513		2113
1514	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1516	}	2116	}
1517		2117
1518	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1519	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1520	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2125	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2126	$map->load if $v;
		2127	}
1525		2128
1526	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1527	}	2130	}
1528	}	2131	}
1529	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1530	};	2133	};
1531	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1534	}	2137	}
1535		2138
1536	sub save {	2139	sub save {
1537	my ($self) = @_;	2140	my ($self) = @_;
1538		2141
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1540		2143
1541	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1542		2145
1543	return unless $self->dirty;	2146	return unless $self->dirty;
1544		2147
…		…
1550	return if $self->{deny_save};	2153	return if $self->{deny_save};
1551		2154
1552	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1553		2156
1554	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1556	};	2160	};
1557		2161
1558	if ($uniq) {	2162	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1567	my ($self) = @_;	2171	my ($self) = @_;
1568		2172
1569	# save first because save cedes	2173	# save first because save cedes
1570	$self->save;	2174	$self->save;
1571		2175
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2177
1574	return if $self->players;	2178	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_IN_MEMORY;
1576	return if $self->{deny_save};	2180	return if $self->{deny_save};
1577		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
1578	$self->clear;	2186	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2187	}
1581		2188
1582	sub reset_at {	2189	sub reset_at {
1583	my ($self) = @_;	2190	my ($self) = @_;
1584		2191
1585	# TODO: safety, remove and allow resettable per-player maps	2192	# 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};	2193	return 1e99 if $self->{deny_reset};
1588		2194
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2195	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2196	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2197
…		…
1602	my ($self) = @_;	2208	my ($self) = @_;
1603		2209
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2211
1606	return if $self->players;	2212	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2213
1609	warn "resetting map ", $self->path;#d#	2214	warn "resetting map ", $self->path;
		2215
		2216	$self->in_memory (cf::MAP_SWAPPED);
		2217
		2218	# need to save uniques path
		2219	unless ($self->{deny_save}) {
		2220	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2221
		2222	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2223	if $uniq;
		2224	}
1610		2225
1611	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
1612		2227
1613	$self->in_memory (cf::MAP_SWAPPED);	2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2230	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2231
1618	$self->unlink_save;	2232	$self->unlink_save;
1619	$self->destroy;	2233	$self->destroy;
1620	}	2234	}
1621		2235
1622	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
1623		2237
1624	sub nuke {	2238	sub nuke {
1625	my ($self) = @_;	2239	my ($self) = @_;
1626		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
1627	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1628		2245
1629	$self->unlink_save;	2246	$self->unlink_save;
1630		2247
1631	bless $self, "cf::map";	2248	bless $self, "cf::map";
1632	delete $self->{deny_reset};	2249	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2253
1637	$cf::MAP{$self->path} = $self;	2254	$cf::MAP{$self->path} = $self;
		2255	}
1638		2256
1639	$self->reset; # polite request, might not happen	2257	$self->reset; # polite request, might not happen
		2258	}
		2259
		2260	=item $maps = cf::map::tmp_maps
		2261
		2262	Returns an arrayref with all map paths of currently instantiated and saved
		2263	maps. May block.
		2264
		2265	=cut
		2266
		2267	sub tmp_maps() {
		2268	[
		2269	map {
		2270	utf8::decode $_;
		2271	/\.map$/
		2272	? normalise $_
		2273	: ()
		2274	} @{ aio_readdir $TMPDIR or [] }
		2275	]
		2276	}
		2277
		2278	=item $maps = cf::map::random_maps
		2279
		2280	Returns an arrayref with all map paths of currently instantiated and saved
		2281	random maps. May block.
		2282
		2283	=cut
		2284
		2285	sub random_maps() {
		2286	[
		2287	map {
		2288	utf8::decode $_;
		2289	/\.map$/
		2290	? normalise "?random/$_"
		2291	: ()
		2292	} @{ aio_readdir $RANDOMDIR or [] }
		2293	]
1640	}	2294	}
1641		2295
1642	=item cf::map::unique_maps	2296	=item cf::map::unique_maps
1643		2297
1644	Returns an arrayref of paths of all shared maps that have	2298	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2299	instantiated unique items. May block.
1646		2300
1647	=cut	2301	=cut
1648		2302
1649	sub unique_maps() {	2303	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2304	[
1651	or return;	2305	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2306	utf8::decode $_;
1657	next if /\.pst$/;	2307	/\.map$/
1658	next unless /^$PATH_SEP/o;	2308	? normalise $_
1659		2309	: ()
1660	push @paths, cf::map::normalise $_;	2310	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2311	]
1662
1663	\@paths
1664	}	2312	}
1665		2313
1666	package cf;	2314	package cf;
1667		2315
1668	=back	2316	=back
…		…
1686	map { $_, inv_recursive_ $_->inv } @_	2334	map { $_, inv_recursive_ $_->inv } @_
1687	}	2335	}
1688		2336
1689	sub inv_recursive {	2337	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
		2339	}
		2340
		2341	=item $ref = $ob->ref
		2342
		2343	creates and returns a persistent reference to an objetc that can be stored as a string.
		2344
		2345	=item $ob = cf::object::deref ($refstring)
		2346
		2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2348	even if the object actually exists. May block.
		2349
		2350	=cut
		2351
		2352	sub deref {
		2353	my ($ref) = @_;
		2354
		2355	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2356	my ($uuid, $name) = ($1, $2);
		2357	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2358	or return;
		2359	$pl->ob->uuid eq $uuid
		2360	or return;
		2361
		2362	$pl->ob
		2363	} else {
		2364	warn "$ref: cannot resolve object reference\n";
		2365	undef
		2366	}
1691	}	2367	}
1692		2368
1693	package cf;	2369	package cf;
1694		2370
1695	=back	2371	=back
…		…
1714		2390
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2391	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2392
1717	if ($self->{record_replies}) {	2393	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2394	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2395
1719	} else {	2396	} else {
		2397	my $pl = $self->contr;
		2398
		2399	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2400	my $dialog = $pl->{npc_dialog};
		2401	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2402
		2403	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2404	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2405	$self->message ($msg, $flags);
		2406	}
1722	}	2407	}
		2408	}
		2409
		2410	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2411
		2412	=cut
		2413
		2414	sub cf::object::send_msg {
		2415	my $pl = shift->contr
		2416	or return;
		2417	$pl->send_msg (@_);
1723	}	2418	}
1724		2419
1725	=item $player_object->may ("access")	2420	=item $player_object->may ("access")
1726		2421
1727	Returns wether the given player is authorized to access resource "access"	2422	Returns wether the given player is authorized to access resource "access"
…		…
1774	$self->deactivate_recursive;	2469	$self->deactivate_recursive;
1775		2470
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2471	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2472
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2473	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2474	if $self->map && $self->map->{path} ne "{link}";
1780		2475
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2476	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2477	}
1783		2478
1784	sub cf::object::player::leave_link {	2479	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2480	my ($self, $map, $x, $y) = @_;
		2481
		2482	return unless $self->contr->active;
1786		2483
1787	my $link_pos = delete $self->{_link_pos};	2484	my $link_pos = delete $self->{_link_pos};
1788		2485
1789	unless ($map) {	2486	unless ($map) {
1790	# restore original map position	2487	# restore original map position
…		…
1804	# use -1 or undef as default coordinates, not 0, 0	2501	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2502	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2503	if $x <=0 && $y <= 0;
1807		2504
1808	$map->load;	2505	$map->load;
1809	$map->load_diag;	2506	$map->load_neighbours;
1810		2507
1811	return unless $self->contr->active;	2508	return unless $self->contr->active;
1812	$self->activate_recursive;	2509	$self->activate_recursive;
		2510
		2511	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2512	$self->enter_map ($map, $x, $y);
1814	}	2513	}
1815		2514
1816	cf::player->attach (	2515	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2516
1820	# abort map switching before logout	2517	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2518	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2519	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2520	the new (success) or old (failed) map position. In either case, $done will
1824	};	2521	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2522
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	2523	=cut
		2524
		2525	our $GOTOGEN;
1851		2526
1852	sub cf::object::player::goto {	2527	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2528	my ($self, $path, $x, $y, $check, $done) = @_;
		2529
		2530	# do generation counting so two concurrent goto's will be executed in-order
		2531	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2532
1855	$self->enter_link;	2533	$self->enter_link;
1856		2534
1857	(async {	2535	(async {
		2536	$Coro::current->{desc} = "player::goto $path $x $y";
		2537
		2538	# *tag paths override both path and x|y
		2539	if ($path =~ /^\*(.*)$/) {
		2540	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2541	my $ob = $obs[rand @obs];
		2542
		2543	# see if we actually can go there
		2544	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2545	$ob = $obs[rand @obs];
		2546	} else {
		2547	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2548	}
		2549	# else put us there anyways for now #d#
		2550
		2551	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2552	} else {
		2553	($path, $x, $y) = (undef, undef, undef);
		2554	}
		2555	}
		2556
1858	my $map = eval {	2557	my $map = eval {
1859	my $map = cf::map::find $path;	2558	my $map = defined $path ? cf::map::find $path : undef;
		2559
		2560	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2561	$map = $map->customise_for ($self);
		2562	$map = $check->($map) if $check && $map;
		2563	} else {
		2564	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2565	}
		2566
1861	$map	2567	$map
		2568	};
		2569
		2570	if ($@) {
		2571	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2572	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2573	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2574
		2575	if ($gen == $self->{_goto_generation}) {
		2576	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2577	$self->leave_link ($map, $x, $y);
		2578	}
		2579
		2580	$done->() if $done;
1866	})->prio (1);	2581	})->prio (1);
1867	}	2582	}
1868		2583
1869	=item $player_object->enter_exit ($exit_object)	2584	=item $player_object->enter_exit ($exit_object)
1870		2585
…		…
1909		2624
1910	$rmp->{random_seed} ||= $exit->random_seed;	2625	$rmp->{random_seed} ||= $exit->random_seed;
1911		2626
1912	my $data = cf::to_json $rmp;	2627	my $data = cf::to_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2628	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2629	my $meta = "$RANDOMDIR/$md5.meta";
1915		2630
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2631	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2632	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2633	undef $fh;
1919	aio_rename "$meta~", $meta;	2634	aio_rename "$meta~", $meta;
…		…
1928		2643
1929	return unless $self->type == cf::PLAYER;	2644	return unless $self->type == cf::PLAYER;
1930		2645
1931	if ($exit->slaying eq "/!") {	2646	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job	2647	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2648	# the problem is that $exit might not survive long enough
		2649	# so it needs to be done right now, right here
1933	cf::sync_job { prepare_random_map $exit };	2650	cf::sync_job { prepare_random_map $exit };
1934	}	2651	}
1935		2652
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2653	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;	2654	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;	2655	my $sp = $exit->stats->sp;
1939		2656
1940	$self->enter_link;	2657	$self->enter_link;
1941		2658
		2659	# if exit is damned, update players death & WoR home-position
		2660	$self->contr->savebed ($slaying, $hp, $sp)
		2661	if $exit->flag (FLAG_DAMNED);
		2662
1942	(async {	2663	(async {
		2664	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2665
1943	$self->deactivate_recursive; # just to be sure	2666	$self->deactivate_recursive; # just to be sure
1944	unless (eval {	2667	unless (eval {
1945	$self->goto ($slaying, $hp, $sp);	2668	$self->goto ($slaying, $hp, $sp);
1946		2669
1947	1;	2670	1;
1948	}) {	2671	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2672	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2673	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2674	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2675	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2676
1954	warn "ERROR in enter_exit: $@";	2677	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2678	$self->leave_link;
1956	}	2679	}
1957	})->prio (1);	2680	})->prio (1);
…		…
1970		2693
1971	sub cf::client::send_drawinfo {	2694	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2695	my ($self, $text, $flags) = @_;
1973		2696
1974	utf8::encode $text;	2697	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2698	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2699	}
1977		2700
		2701	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2702
		2703	Send a drawinfo or msg packet to the client, formatting the msg for the
		2704	client if neccessary. C<$type> should be a string identifying the type of
		2705	the message, with C<log> being the default. If C<$color> is negative, suppress
		2706	the message unless the client supports the msg packet.
		2707
		2708	=cut
		2709
		2710	# non-persistent channels (usually the info channel)
		2711	our %CHANNEL = (
		2712	"c/identify" => {
		2713	id => "infobox",
		2714	title => "Identify",
		2715	reply => undef,
		2716	tooltip => "Items recently identified",
		2717	},
		2718	"c/examine" => {
		2719	id => "infobox",
		2720	title => "Examine",
		2721	reply => undef,
		2722	tooltip => "Signs and other items you examined",
		2723	},
		2724	"c/book" => {
		2725	id => "infobox",
		2726	title => "Book",
		2727	reply => undef,
		2728	tooltip => "The contents of a note or book",
		2729	},
		2730	"c/lookat" => {
		2731	id => "infobox",
		2732	title => "Look",
		2733	reply => undef,
		2734	tooltip => "What you saw there",
		2735	},
		2736	"c/who" => {
		2737	id => "infobox",
		2738	title => "Players",
		2739	reply => undef,
		2740	tooltip => "Shows players who are currently online",
		2741	},
		2742	"c/body" => {
		2743	id => "infobox",
		2744	title => "Body Parts",
		2745	reply => undef,
		2746	tooltip => "Shows which body parts you posess and are available",
		2747	},
		2748	"c/uptime" => {
		2749	id => "infobox",
		2750	title => "Uptime",
		2751	reply => undef,
		2752	tooltip => "How long the server has been running since last restart",
		2753	},
		2754	"c/mapinfo" => {
		2755	id => "infobox",
		2756	title => "Map Info",
		2757	reply => undef,
		2758	tooltip => "Information related to the maps",
		2759	},
		2760	);
		2761
		2762	sub cf::client::send_msg {
		2763	my ($self, $channel, $msg, $color, @extra) = @_;
		2764
		2765	$msg = $self->pl->expand_cfpod ($msg);
		2766
		2767	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2768
		2769	# check predefined channels, for the benefit of C
		2770	if ($CHANNEL{$channel}) {
		2771	$channel = $CHANNEL{$channel};
		2772
		2773	$self->ext_msg (channel_info => $channel)
		2774	if $self->can_msg;
		2775
		2776	$channel = $channel->{id};
		2777
		2778	} elsif (ref $channel) {
		2779	# send meta info to client, if not yet sent
		2780	unless (exists $self->{channel}{$channel->{id}}) {
		2781	$self->{channel}{$channel->{id}} = $channel;
		2782	$self->ext_msg (channel_info => $channel)
		2783	if $self->can_msg;
		2784	}
		2785
		2786	$channel = $channel->{id};
		2787	}
		2788
		2789	return unless @extra || length $msg;
		2790
		2791	if ($self->can_msg) {
		2792	# default colour, mask it out
		2793	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2794	if $color & cf::NDI_DEF;
		2795
		2796	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2797	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2798	} else {
		2799	if ($color >= 0) {
		2800	# replace some tags by gcfclient-compatible ones
		2801	for ($msg) {
		2802	1 while
		2803	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2804	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2805	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2806	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2807	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2808	}
		2809
		2810	$color &= cf::NDI_COLOR_MASK;
		2811
		2812	utf8::encode $msg;
		2813
		2814	if (0 && $msg =~ /\[/) {
		2815	# COMMAND/INFO
		2816	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2817	} else {
		2818	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2819	$self->send_packet ("drawinfo $color $msg")
		2820	}
		2821	}
		2822	}
		2823	}
		2824
		2825	=item $client->ext_msg ($type, @msg)
		2826
		2827	Sends an ext event to the client.
		2828
		2829	=cut
		2830
		2831	sub cf::client::ext_msg($$@) {
		2832	my ($self, $type, @msg) = @_;
		2833
		2834	if ($self->extcmd == 2) {
		2835	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2836	} elsif ($self->extcmd == 1) { # TODO: remove
		2837	push @msg, msgtype => "event_$type";
		2838	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2839	}
		2840	}
		2841
		2842	=item $client->ext_reply ($msgid, @msg)
		2843
		2844	Sends an ext reply to the client.
		2845
		2846	=cut
		2847
		2848	sub cf::client::ext_reply($$@) {
		2849	my ($self, $id, @msg) = @_;
		2850
		2851	if ($self->extcmd == 2) {
		2852	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2853	} elsif ($self->extcmd == 1) {
		2854	#TODO: version 1, remove
		2855	unshift @msg, msgtype => "reply", msgid => $id;
		2856	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2857	}
		2858	}
1978		2859
1979	=item $success = $client->query ($flags, "text", \&cb)	2860	=item $success = $client->query ($flags, "text", \&cb)
1980		2861
1981	Queues a query to the client, calling the given callback with	2862	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>,	2863	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>.	2864	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2865
1985	Queries can fail, so check the return code. Or don't, as queries will become	2866	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2867	become reliable at some point in the future.
1987		2868
1988	=cut	2869	=cut
1989		2870
1990	sub cf::client::query {	2871	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2872	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2880	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2881	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2882
2002	$self->send_packet ($self->{query_queue}[0][0])	2883	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2884	if @{ $self->{query_queue} } == 1;
		2885
		2886	1
2004	}	2887	}
2005		2888
2006	cf::client->attach (	2889	cf::client->attach (
		2890	on_connect => sub {
		2891	my ($ns) = @_;
		2892
		2893	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2894	},
2007	on_reply => sub {	2895	on_reply => sub {
2008	my ($ns, $msg) = @_;	2896	my ($ns, $msg) = @_;
2009		2897
2010	# this weird shuffling is so that direct followup queries	2898	# this weird shuffling is so that direct followup queries
2011	# get handled first	2899	# get handled first
…		…
2023	} else {	2911	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2912	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2913	}
2026	}	2914	}
2027	},	2915	},
		2916	on_exticmd => sub {
		2917	my ($ns, $buf) = @_;
		2918
		2919	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2920
		2921	if (ref $msg) {
		2922	my ($type, $reply, @payload) =
		2923	"ARRAY" eq ref $msg
		2924	? @$msg
		2925	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2926
		2927	my @reply;
		2928
		2929	if (my $cb = $EXTICMD{$type}) {
		2930	@reply = $cb->($ns, @payload);
		2931	}
		2932
		2933	$ns->ext_reply ($reply, @reply)
		2934	if $reply;
		2935
		2936	} else {
		2937	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2938	}
		2939
		2940	cf::override;
		2941	},
2028	);	2942	);
2029		2943
2030	=item $client->async (\&cb)	2944	=item $client->async (\&cb)
2031		2945
2032	Create a new coroutine, running the specified callback. The coroutine will	2946	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	2987	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	2988	our $safe_hole = new Safe::Hole;
2075		2989
2076	$SIG{FPE} = 'IGNORE';	2990	$SIG{FPE} = 'IGNORE';
2077		2991
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2992	$safe->permit_only (Opcode::opset qw(
		2993	:base_core :base_mem :base_orig :base_math
		2994	grepstart grepwhile mapstart mapwhile
		2995	sort time
		2996	));
2079		2997
2080	# here we export the classes and methods available to script code	2998	# here we export the classes and methods available to script code
2081		2999
2082	=pod	3000	=pod
2083		3001
2084	The following fucntions and emthods are available within a safe environment:	3002	The following functions and methods are available within a safe environment:
2085		3003
2086	cf::object contr pay_amount pay_player map	3004	cf::object
		3005	contr pay_amount pay_player map x y force_find force_add destroy
		3006	insert remove name archname title slaying race decrease_ob_nr
		3007
2087	cf::object::player player	3008	cf::object::player
2088	cf::player peaceful	3009	player
2089	cf::map trigger	3010
		3011	cf::player
		3012	peaceful
		3013
		3014	cf::map
		3015	trigger
2090		3016
2091	=cut	3017	=cut
2092		3018
2093	for (	3019	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3020	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3021	insert remove inv name archname title slaying race
		3022	decrease_ob_nr destroy)],
2095	["cf::object::player" => qw(player)],	3023	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3024	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	3025	["cf::map" => qw(trigger)],
2098	) {	3026	) {
2099	no strict 'refs';	3027	no strict 'refs';
…		…
2170	=back	3098	=back
2171		3099
2172	=cut	3100	=cut
2173		3101
2174	#############################################################################	3102	#############################################################################
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	3103	# the server's init and main functions
2284		3104
2285	sub load_resources {	3105	sub load_facedata($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3106	my ($path) = @_;
		3107
		3108	# HACK to clear player env face cache, we need some signal framework
		3109	# for this (global event?)
		3110	%ext::player_env::MUSIC_FACE_CACHE = ();
		3111
		3112	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3113
		3114	warn "loading facedata from $path\n";
		3115
		3116	my $facedata;
		3117	0 < aio_load $path, $facedata
		3118	or die "$path: $!";
		3119
		3120	$facedata = Coro::Storable::thaw $facedata;
		3121
		3122	$facedata->{version} == 2
		3123	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3124
		3125	# patch in the exptable
		3126	$facedata->{resource}{"res/exp_table"} = {
		3127	type => FT_RSRC,
		3128	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3129	};
		3130	cf::cede_to_tick;
		3131
		3132	{
		3133	my $faces = $facedata->{faceinfo};
		3134
		3135	while (my ($face, $info) = each %$faces) {
		3136	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3137	cf::face::set_visibility $idx, $info->{visibility};
		3138	cf::face::set_magicmap $idx, $info->{magicmap};
		3139	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3140	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3141
		3142	cf::cede_to_tick;
		3143	}
		3144
		3145	while (my ($face, $info) = each %$faces) {
		3146	next unless $info->{smooth};
		3147	my $idx = cf::face::find $face
		3148	or next;
		3149	if (my $smooth = cf::face::find $info->{smooth}) {
		3150	cf::face::set_smooth $idx, $smooth;
		3151	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3152	} else {
		3153	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3154	}
		3155
		3156	cf::cede_to_tick;
		3157	}
		3158	}
		3159
		3160	{
		3161	my $anims = $facedata->{animinfo};
		3162
		3163	while (my ($anim, $info) = each %$anims) {
		3164	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3165	cf::cede_to_tick;
		3166	}
		3167
		3168	cf::anim::invalidate_all; # d'oh
		3169	}
		3170
		3171	{
		3172	# TODO: for gcfclient pleasure, we should give resources
		3173	# that gcfclient doesn't grok a >10000 face index.
		3174	my $res = $facedata->{resource};
		3175
		3176	my $soundconf = delete $res->{"res/sound.conf"};
		3177
		3178	while (my ($name, $info) = each %$res) {
		3179	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3180	my $data;
		3181
		3182	if ($info->{type} & 1) {
		3183	# prepend meta info
		3184
		3185	my $meta = $enc->encode ({
		3186	name => $name,
		3187	%{ $info->{meta} || {} },
		3188	});
		3189
		3190	$data = pack "(w/a*)*", $meta, $info->{data};
		3191	} else {
		3192	$data = $info->{data};
		3193	}
		3194
		3195	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3196	cf::face::set_type $idx, $info->{type};
		3197
		3198	cf::cede_to_tick;
		3199	}
		3200
		3201	if ($soundconf) {
		3202	$soundconf = $enc->decode (delete $soundconf->{data});
		3203
		3204	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3205	my $sound = $soundconf->{compat}[$_]
		3206	or next;
		3207
		3208	my $face = cf::face::find "sound/$sound->[1]";
		3209	cf::sound::set $sound->[0] => $face;
		3210	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3211	}
		3212
		3213	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3214	my $face = cf::face::find "sound/$v";
		3215	cf::sound::set $k => $face;
		3216	}
		3217	}
		3218	}
		3219
		3220	1
		3221	}
		3222
		3223	register_exticmd fx_want => sub {
		3224	my ($ns, $want) = @_;
		3225
		3226	while (my ($k, $v) = each %$want) {
		3227	$ns->fx_want ($k, $v);
		3228	}
		3229	};
		3230
		3231	sub reload_regions {
		3232	# HACK to clear player env face cache, we need some signal framework
		3233	# for this (global event?)
		3234	%ext::player_env::MUSIC_FACE_CACHE = ();
		3235
		3236	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3237	or die "unable to load regions file\n";
2288	}
2289		3238
2290	sub cfg_load {	3239	for (cf::region::list) {
		3240	$_->{match} = qr/$_->{match}/
		3241	if exists $_->{match};
		3242	}
		3243	}
		3244
		3245	sub reload_facedata {
		3246	load_facedata "$DATADIR/facedata"
		3247	or die "unable to load facedata\n";
		3248	}
		3249
		3250	sub reload_archetypes {
		3251	load_resource_file "$DATADIR/archetypes"
		3252	or die "unable to load archetypes\n";
		3253	#d# NEED to laod twice to resolve forward references
		3254	# this really needs to be done in an extra post-pass
		3255	# (which needs to be synchronous, so solve it differently)
		3256	load_resource_file "$DATADIR/archetypes"
		3257	or die "unable to load archetypes\n";
		3258	}
		3259
		3260	sub reload_treasures {
		3261	load_resource_file "$DATADIR/treasures"
		3262	or die "unable to load treasurelists\n";
		3263	}
		3264
		3265	sub reload_resources {
		3266	warn "reloading resource files...\n";
		3267
		3268	reload_regions;
		3269	reload_facedata;
		3270	#reload_archetypes;#d#
		3271	reload_archetypes;
		3272	reload_treasures;
		3273
		3274	warn "finished reloading resource files\n";
		3275	}
		3276
		3277	sub init {
		3278	reload_resources;
		3279	}
		3280
		3281	sub reload_config {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3282	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	3283	or return;
2293		3284
2294	local $/;	3285	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	3286	*CFG = YAML::Syck::Load <$fh>;
2296		3287
…		…
2306	};	3297	};
2307	warn $@ if $@;	3298	warn $@ if $@;
2308	}	3299	}
2309	}	3300	}
2310		3301
2311	sub init {
2312	load_resources;
2313	}
2314
2315	sub main {	3302	sub main {
2316	# we must not ever block the main coroutine	3303	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3304	local $Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3305	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3306	(async {
		3307	$Coro::current->{desc} = "IDLE BUG HANDLER";
2320	Event::one_event;	3308	Event::one_event;
2321	})->prio (Coro::PRIO_MAX);	3309	})->prio (Coro::PRIO_MAX);
2322	};	3310	};
2323		3311
2324	cfg_load;	3312	reload_config;
2325	db_load;	3313	db_init;
2326	load_extensions;	3314	load_extensions;
2327		3315
2328	$TICK_WATCHER->start;	3316	$TICK_WATCHER->start;
2329	Event::loop;	3317	Event::loop;
2330	}	3318	}
…		…
2345	},	3333	},
2346	);	3334	);
2347	}	3335	}
2348	}	3336	}
2349		3337
		3338	sub write_runtime {
		3339	my $runtime = "$LOCALDIR/runtime";
		3340
		3341	# first touch the runtime file to show we are still running:
		3342	# the fsync below can take a very very long time.
		3343
		3344	IO::AIO::aio_utime $runtime, undef, undef;
		3345
		3346	my $guard = cf::lock_acquire "write_runtime";
		3347
		3348	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3349	or return;
		3350
		3351	my $value = $cf::RUNTIME + 90 + 10;
		3352	# 10 is the runtime save interval, for a monotonic clock
		3353	# 60 allows for the watchdog to kill the server.
		3354
		3355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3356	and return;
		3357
		3358	# always fsync - this file is important
		3359	aio_fsync $fh
		3360	and return;
		3361
		3362	# touch it again to show we are up-to-date
		3363	aio_utime $fh, undef, undef;
		3364
		3365	close $fh
		3366	or return;
		3367
		3368	aio_rename "$runtime~", $runtime
		3369	and return;
		3370
		3371	warn "runtime file written.\n";
		3372
		3373	1
		3374	}
		3375
2350	sub emergency_save() {	3376	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3377	my $freeze_guard = cf::freeze_mainloop;
2352		3378
2353	warn "enter emergency perl save\n";	3379	warn "enter emergency perl save\n";
2354		3380
…		…
2358	# and maps saved/destroyed asynchronously.	3384	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3385	warn "begin emergency player save\n";
2360	for my $login (keys %cf::PLAYER) {	3386	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3387	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3388	$pl->valid or next;
		3389	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3390	$pl->save;
2364	}	3391	}
2365	warn "end emergency player save\n";	3392	warn "end emergency player save\n";
2366		3393
2367	warn "begin emergency map save\n";	3394	warn "begin emergency map save\n";
…		…
2369	my $map = $cf::MAP{$path} or next;	3396	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3397	$map->valid or next;
2371	$map->save;	3398	$map->save;
2372	}	3399	}
2373	warn "end emergency map save\n";	3400	warn "end emergency map save\n";
		3401
		3402	warn "begin emergency database checkpoint\n";
		3403	BDB::db_env_txn_checkpoint $DB_ENV;
		3404	warn "end emergency database checkpoint\n";
2374	};	3405	};
2375		3406
2376	warn "leave emergency perl save\n";	3407	warn "leave emergency perl save\n";
2377	}	3408	}
2378		3409
		3410	sub post_cleanup {
		3411	my ($make_core) = @_;
		3412
		3413	warn Carp::longmess "post_cleanup backtrace"
		3414	if $make_core;
		3415	}
		3416
2379	sub reload() {	3417	sub do_reload_perl() {
2380	# can/must only be called in main	3418	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3419	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3420	warn "can only reload from main coroutine";
2383	return;	3421	return;
2384	}	3422	}
2385		3423
2386	warn "reloading...";	3424	warn "reloading...";
2387		3425
2388	warn "cancelling server ticker";	3426	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3427
		3428	cf::sync_job {
		3429	cf::write_runtime; # external watchdog should not bark
2391	cf::emergency_save;	3430	cf::emergency_save;
		3431	cf::write_runtime; # external watchdog should not bark
2392		3432
2393	eval {	3433	warn "syncing database to disk";
		3434	BDB::db_env_txn_checkpoint $DB_ENV;
		3435
2394	# if anything goes wrong in here, we should simply crash as we already saved	3436	# 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		3437
2399	warn "cancelling all WF_AUTOCANCEL watchers";	3438	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {	3439	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;	3440	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}	3441	}
2403		3442
2404	warn "flushing outstanding aio requests";	3443	warn "flushing outstanding aio requests";
2405	for (;;) {	3444	for (;;) {
		3445	BDB::flush;
2406	IO::AIO::flush;	3446	IO::AIO::flush;
2407	Coro::cede;	3447	Coro::cede_notself;
2408	last unless IO::AIO::nreqs;	3448	last unless IO::AIO::nreqs || BDB::nreqs;
2409	warn "iterate...";	3449	warn "iterate...";
2410	}	3450	}
		3451
		3452	++$RELOAD;
2411		3453
2412	warn "cancelling all extension coros";	3454	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3455	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3456	%EXT_CORO = ();
2415		3457
2416	warn "removing commands";	3458	warn "removing commands";
2417	%COMMAND = ();	3459	%COMMAND = ();
2418		3460
2419	warn "removing ext commands";	3461	warn "removing ext/exti commands";
2420	%EXTCMD = ();	3462	%EXTCMD = ();
		3463	%EXTICMD = ();
2421		3464
2422	warn "unloading/nuking all extensions";	3465	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3466	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3467	warn "... unloading $pkg";
2425		3468
…		…
2455	Symbol::delete_package "safe::$_"	3498	Symbol::delete_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3499	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3500
2458	warn "unloading cf.pm \"a bit\"";	3501	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3502	delete $INC{"cf.pm"};
		3503	delete $INC{"cf/pod.pm"};
2460		3504
2461	# don't, removes xs symbols, too,	3505	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3506	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3507	#Symbol::delete_package __PACKAGE__;
2464		3508
…		…
2467	warn "reloading cf.pm";	3511	warn "reloading cf.pm";
2468	require cf;	3512	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3513	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3514
2471	warn "loading config and database again";	3515	warn "loading config and database again";
2472	cf::cfg_load;	3516	cf::reload_config;
2473	cf::db_load;
2474		3517
2475	warn "loading extensions";	3518	warn "loading extensions";
2476	cf::load_extensions;	3519	cf::load_extensions;
2477		3520
2478	warn "reattaching attachments to objects/players";	3521	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3522	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3523	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3524	reattach $_ for values %MAP;
		3525	warn "reattaching attachments to players";
		3526	reattach $_ for values %PLAYER;
2482		3527
2483	warn "loading reloadable resources";	3528	warn "leaving sync_job";
2484	load_resources;
2485		3529
2486	warn "restarting server ticker";	3530	1
2487		3531	} or do {
2488	$TICK_WATCHER->start;
2489	};
2490
2491	if ($@) {
2492	warn $@;	3532	warn $@;
2493	warn "error while reloading, exiting.";	3533	warn "error while reloading, exiting.";
2494	exit 1;	3534	exit 1;
2495	}	3535	};
2496		3536
2497	warn "reloaded";	3537	warn "reloaded";
2498	};	3538	};
2499		3539
2500	our $RELOAD_WATCHER; # used only during reload	3540	our $RELOAD_WATCHER; # used only during reload
2501		3541
		3542	sub reload_perl() {
		3543	# doing reload synchronously and two reloads happen back-to-back,
		3544	# coro crashes during coro_state_free->destroy here.
		3545
		3546	$RELOAD_WATCHER ||= Event->timer (
		3547	reentrant => 0,
		3548	after => 0,
		3549	data => WF_AUTOCANCEL,
		3550	cb => sub {
		3551	do_reload_perl;
		3552	undef $RELOAD_WATCHER;
		3553	},
		3554	);
		3555	}
		3556
2502	register_command "reload" => sub {	3557	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3558	my ($who, $arg) = @_;
2504		3559
2505	if ($who->flag (FLAG_WIZ)) {	3560	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3561	$who->message ("reloading server.");
2507		3562	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	3563	$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;	3564	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	3565	};
2520	}	3566	}
2521	};	3567	};
2522		3568
2523	unshift @INC, $LIBDIR;	3569	unshift @INC, $LIBDIR;
2524		3570
2525	my $bug_warning = 0;	3571	my $bug_warning = 0;
		3572
		3573	our @WAIT_FOR_TICK;
		3574	our @WAIT_FOR_TICK_BEGIN;
		3575
		3576	sub wait_for_tick {
		3577	return unless $TICK_WATCHER->is_active;
		3578	return if $Coro::current == $Coro::main;
		3579
		3580	my $signal = new Coro::Signal;
		3581	push @WAIT_FOR_TICK, $signal;
		3582	$signal->wait;
		3583	}
		3584
		3585	sub wait_for_tick_begin {
		3586	return unless $TICK_WATCHER->is_active;
		3587	return if $Coro::current == $Coro::main;
		3588
		3589	my $signal = new Coro::Signal;
		3590	push @WAIT_FOR_TICK_BEGIN, $signal;
		3591	$signal->wait;
		3592	}
2526		3593
2527	$TICK_WATCHER = Event->timer (	3594	$TICK_WATCHER = Event->timer (
2528	reentrant => 0,	3595	reentrant => 0,
2529	parked => 1,	3596	parked => 1,
2530	prio => 0,	3597	prio => 0,
…		…
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3602	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3603	unless ++$bug_warning > 10;
2537	return;	3604	return;
2538	}	3605	}
2539		3606
2540	$NOW = Event::time;	3607	$NOW = $tick_start = Event::time;
2541		3608
2542	cf::server_tick; # one server iteration	3609	cf::server_tick; # one server iteration
		3610
2543	$RUNTIME += $TICK;	3611	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;	3612	$NEXT_TICK += $TICK;
2545		3613
2546	$WAIT_FOR_TICK->broadcast;	3614	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3615	$NEXT_RUNTIME_WRITE = $NOW + 10;
2548		3616	Coro::async_pool {
2549	Event::sweep;	3617	$Coro::current->{desc} = "runtime saver";
2550	Coro::cede_notself;	3618	write_runtime
		3619	or warn "ERROR: unable to write runtime file: $!";
		3620	};
2551		3621	}
2552	# my $AFTER = Event::time;	3622
2553	# warn $AFTER - $NOW;#d#	3623	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3624	$sig->send;
		3625	}
		3626	while (my $sig = shift @WAIT_FOR_TICK) {
		3627	$sig->send;
		3628	}
		3629
		3630	$NOW = Event::time;
2554		3631
2555	# if we are delayed by four ticks or more, skip them all	3632	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3633	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2557		3634
2558	$TICK_WATCHER->at ($NEXT_TICK);	3635	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;	3636	$TICK_WATCHER->start;
		3637
		3638	$LOAD = ($NOW - $tick_start) / $TICK;
		3639	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3640
		3641	_post_tick;
2560	},	3642	},
2561	);	3643	);
2562		3644
2563	{	3645	{
		3646	BDB::min_parallel 8;
2564	BDB::max_poll_time $TICK * 0.1;	3647	BDB::max_poll_time $TICK * 0.1;
2565	$BDB_POLL_WATCHER = Event->io (	3648	$BDB_POLL_WATCHER = Event->io (
2566	reentrant => 0,	3649	reentrant => 0,
2567	fd => BDB::poll_fileno,	3650	fd => BDB::poll_fileno,
2568	poll => 'r',	3651	poll => 'r',
2569	prio => 0,	3652	prio => 0,
2570	data => WF_AUTOCANCEL,	3653	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,	3654	cb => \&BDB::poll_cb,
2572	);	3655	);
2573	BDB::min_parallel 8;
2574		3656
2575	BDB::set_sync_prepare {	3657	BDB::set_sync_prepare {
2576	my $status;	3658	my $status;
2577	my $current = $Coro::current;	3659	my $current = $Coro::current;
2578	(	3660	(
…		…
2587	)	3669	)
2588	};	3670	};
2589		3671
2590	unless ($DB_ENV) {	3672	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3673	$DB_ENV = BDB::db_env_create;
		3674	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3675	| BDB::LOG_AUTOREMOVE, 1);
		3676	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3677	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		3678
2593	cf::sync_job {	3679	cf::sync_job {
		3680	eval {
2594	BDB::db_env_open	3681	BDB::db_env_open
2595	$DB_ENV,	3682	$DB_ENV,
2596	$BDB_ENV_DIR,	3683	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3684	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3685	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3686	0666;
2600		3687
2601	cf::cleanup "$!" if $!;	3688	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3689	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3690
		3691	cf::cleanup "db_env_open(db): $@" if $@;
2604	};	3692	};
2605	}	3693	}
		3694
		3695	$BDB_DEADLOCK_WATCHER = Event->timer (
		3696	after => 3,
		3697	interval => 1,
		3698	hard => 1,
		3699	prio => 0,
		3700	data => WF_AUTOCANCEL,
		3701	cb => sub {
		3702	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3703	},
		3704	);
		3705	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3706	after => 11,
		3707	interval => 60,
		3708	hard => 1,
		3709	prio => 0,
		3710	data => WF_AUTOCANCEL,
		3711	cb => sub {
		3712	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3713	},
		3714	);
		3715	$BDB_TRICKLE_WATCHER = Event->timer (
		3716	after => 5,
		3717	interval => 10,
		3718	hard => 1,
		3719	prio => 0,
		3720	data => WF_AUTOCANCEL,
		3721	cb => sub {
		3722	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3723	},
		3724	);
2606	}	3725	}
2607		3726
2608	{	3727	{
2609	IO::AIO::min_parallel 8;	3728	IO::AIO::min_parallel 8;
2610		3729
2611	undef $Coro::AIO::WATCHER;	3730	undef $Coro::AIO::WATCHER;
2612	IO::AIO::max_poll_time $TICK * 0.1;	3731	IO::AIO::max_poll_time $TICK * 0.1;
2613	$AIO_POLL_WATCHER = Event->io (	3732	$AIO_POLL_WATCHER = Event->io (
2614	reentrant => 0,	3733	reentrant => 0,
		3734	data => WF_AUTOCANCEL,
2615	fd => IO::AIO::poll_fileno,	3735	fd => IO::AIO::poll_fileno,
2616	poll => 'r',	3736	poll => 'r',
2617	prio => 6,	3737	prio => 0,
2618	data => WF_AUTOCANCEL,
2619	cb => \&IO::AIO::poll_cb,	3738	cb => \&IO::AIO::poll_cb,
2620	);	3739	);
2621	}	3740	}
2622		3741
2623	$WRITE_RUNTIME_WATCHER = Event->timer (	3742	my $_log_backtrace;
2624	reentrant => 0,	3743
2625	data => WF_AUTOCANCEL,	3744	sub _log_backtrace {
2626	after => 1,	3745	my ($msg, @addr) = @_;
2627	interval => 10,	3746
2628	prio => 6, # keep it lowest so it acts like a watchdog	3747	$msg =~ s/\n//;
2629	cb => Coro::unblock_sub {	3748
2630	write_runtime	3749	# limit the # of concurrent backtraces
2631	or warn "ERROR: unable to write runtime file: $!";	3750	if ($_log_backtrace < 2) {
		3751	++$_log_backtrace;
		3752	async {
		3753	$Coro::current->{desc} = "abt $msg";
		3754
		3755	my @bt = fork_call {
		3756	@addr = map { sprintf "%x", $_ } @addr;
		3757	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3758	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3759	or die "addr2line: $!";
		3760
		3761	my @funcs;
		3762	my @res = <$fh>;
		3763	chomp for @res;
		3764	while (@res) {
		3765	my ($func, $line) = splice @res, 0, 2, ();
		3766	push @funcs, "[$func] $line";
		3767	}
		3768
		3769	@funcs
		3770	};
		3771
		3772	LOG llevInfo, "[ABT] $msg\n";
		3773	LOG llevInfo, "[ABT] $_\n" for @bt;
		3774	--$_log_backtrace;
		3775	};
		3776	} else {
		3777	LOG llevInfo, "[ABT] $msg\n";
		3778	LOG llevInfo, "[ABT] [suppressed]\n";
2632	},	3779	}
2633	);	3780	}
		3781
		3782	# load additional modules
		3783	use cf::pod;
2634		3784
2635	END { cf::emergency_save }	3785	END { cf::emergency_save }
2636		3786
2637	1	3787	1
2638		3788

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