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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.174 by root, Sun Jan 14 19:55:37 2007 UTC vs.
Revision 1.372 by root, Sat Sep 15 13:25:33 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		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
27	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
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# 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?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$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
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	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(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
		88	our $DB_ENV;
53		89
54	our %CFG;	90	our %CFG;
55		91
56	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	93	our $RUNTIME;
58		94
59	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		98
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $tick_start; # for load detecting purposes
		105
70	binmode STDOUT;	106	binmode STDOUT;
71	binmode STDERR;	107	binmode STDERR;
72		108
73	# read virtual server time, if available	109	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
78	}	114	}
79		115
80	mkdir cf::localdir;	116	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		118
86	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
		120
		121	sub cf::map::normalise;
87		122
88	#############################################################################	123	#############################################################################
89		124
90	=head2 GLOBAL VARIABLES	125	=head2 GLOBAL VARIABLES
91		126
…		…
98	=item $cf::RUNTIME	133	=item $cf::RUNTIME
99		134
100	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
101	every server tick.	136	every server tick.
102		137
103	=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
104		141
105	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		146
108	=item $cf::NOW	147	=item $cf::NOW
109		148
110	The time of the last (current) server tick.	149	The time of the last (current) server tick.
111		150
112	=item $cf::TICK	151	=item $cf::TICK
113		152
114	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.
115		164
116	=item %cf::CFG	165	=item %cf::CFG
117		166
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	168	from wherever your confdir points to.
120		169
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		171
123	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
124	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
125	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.
126	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.
127		181
128	=back	182	=back
129		183
130	=cut	184	=cut
131		185
132	BEGIN {	186	BEGIN {
133	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	188	my $msg = join "", @_;
135	utf8::encode $msg;
136		189
137	$msg .= "\n"	190	$msg .= "\n"
138	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
139		194
140	LOG llevError, $msg;	195	LOG llevError, $msg;
141	};	196	};
142	}	197	}
143		198
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		206
151	# 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
152	# within the Safe compartment.	208	# within the Safe compartment.
153	for my $pkg (qw(	209	for my $pkg (qw(
154	cf::global cf::attachable	210	cf::global cf::attachable
…		…
162	}	218	}
163		219
164	$Event::DIED = sub {	220	$Event::DIED = sub {
165	warn "error in event callback: @_";	221	warn "error in event callback: @_";
166	};	222	};
		223
		224	#############################################################################
167		225
168	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
169		227
170	=over 4	228	=over 4
171		229
…		…
190	$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;
191	$d	249	$d
192	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
193	}	251	}
194		252
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
198		254
199	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
200		256
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
209		258
210	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
211		260
212	=cut	261	=cut
213		262
214	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
216	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
218		267
219	=item cf::lock_wait $string	268	=item cf::lock_wait $string
220		269
221	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
222		271
…		…
225	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
226	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,
227	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
228	returned.	277	returned.
229		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
230	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
231	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
232		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
233	=cut	289	=cut
234		290
235	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
236		293
237	sub lock_wait($) {	294	sub lock_wait($) {
238	my ($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#
239		301
240	# wait for lock, if any	302	# wait for lock, if any
241	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	305	Coro::schedule;
…		…
249		311
250	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
251	lock_wait $key;	313	lock_wait $key;
252		314
253	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
254		317
255	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
258	}	322	}
259	}	323	}
260		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
261	sub freeze_mainloop {	331	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
263		333
264	my $guard = Coro::guard {	334	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	336	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
270	$guard	338	$guard
		339	}
		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	my $signal = new Coro::Signal;
		360
		361	while () {
		362	next_job:
		363	my $avail = cf::till_tick;
		364	if ($avail > 0.01) {
		365	for (0 .. $#SLOT_QUEUE) {
		366	if ($SLOT_QUEUE[$_][0] < $avail) {
		367	my $job = splice @SLOT_QUEUE, $_, 1, ();
		368	$job->[2]->send;
		369	Coro::cede;
		370	goto next_job;
		371	}
		372	}
		373	}
		374
		375	if (@SLOT_QUEUE) {
		376	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		377	push @cf::WAIT_FOR_TICK, $signal;
		378	$signal->wait;
		379	} else {
		380	Coro::schedule;
		381	}
		382	}
		383	};
		384
		385	sub get_slot($;$$) {
		386	my ($time, $pri, $name) = @_;
		387
		388	$time = $TICK * .6 if $time > $TICK * .6;
		389	my $sig = new Coro::Signal;
		390
		391	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		392	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		393	$SLOT_QUEUE->ready;
		394	$sig->wait;
271	}	395	}
272		396
273	=item cf::async { BLOCK }	397	=item cf::async { BLOCK }
274		398
275	Currently the same as Coro::async_pool, meaning you cannot use	399	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		404
281	BEGIN { *async = \&Coro::async_pool }	405	BEGIN { *async = \&Coro::async_pool }
282		406
283	=item cf::sync_job { BLOCK }	407	=item cf::sync_job { BLOCK }
284		408
285	The design of crossfire+ requires that the main coro ($Coro::main) is	409	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	410	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		412	acceptable.
288		413
289	If it must be done, put the blocking parts into C<sync_job>. This will run	414	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	415	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	416	server will be frozen during this time, so the block should either finish
292	fast or be very important.	417	fast or be very important.
…		…
295		420
296	sub sync_job(&) {	421	sub sync_job(&) {
297	my ($job) = @_;	422	my ($job) = @_;
298		423
299	if ($Coro::current == $Coro::main) {	424	if ($Coro::current == $Coro::main) {
		425	my $time = Event::time;
		426
300	# this is the main coro, too bad, we have to block	427	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	428	# till the operation succeeds, freezing the server :/
302		429
303	# TODO: use suspend/resume instead	430	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	431	# (but this is cancel-safe)
…		…
315		442
316	while ($busy) {	443	while ($busy) {
317	Coro::cede or Event::one_event;	444	Coro::cede or Event::one_event;
318	}	445	}
319		446
		447	$time = Event::time - $time;
		448
		449	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		450	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		451
		452	$tick_start += $time; # do not account sync jobs to server load
		453
320	wantarray ? @res : $res[0]	454	wantarray ? @res : $res[0]
321	} else {	455	} else {
322	# we are in another coroutine, how wonderful, everything just works	456	# we are in another coroutine, how wonderful, everything just works
323		457
324	$job->()	458	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	477	$EXT_CORO{$coro+0} = $coro;
344		478
345	$coro	479	$coro
346	}	480	}
347		481
348	sub write_runtime {	482	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		483
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	484	Executes the given code block with the given arguments in a seperate
352	or return;	485	process, returning the results. Everything must be serialisable with
		486	Coro::Storable. May, of course, block. Note that the executed sub may
		487	never block itself or use any form of Event handling.
353		488
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	489	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		490
358	aio_fsync $fh	491	sub fork_call(&@) {
359	and return;	492	my ($cb, @args) = @_;
360		493
361	close $fh	494	# we seemingly have to make a local copy of the whole thing,
362	or return;	495	# otherwise perl prematurely frees the stuff :/
		496	# TODO: investigate and fix (likely this will be rather laborious)
363		497
364	aio_rename "$runtime~", $runtime	498	my @res = Coro::Util::fork_eval {
365	and return;	499	reset_signals;
		500	&$cb
		501	}, @args;
366		502
		503	wantarray ? @res : $res[-1]
		504	}
		505
		506	=item $value = cf::db_get $family => $key
		507
		508	Returns a single value from the environment database.
		509
		510	=item cf::db_put $family => $key => $value
		511
		512	Stores the given C<$value> in the family. It can currently store binary
		513	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		514
		515	=item $db = cf::db_table "name"
		516
		517	Create and/or open a new database table. The string must not be "db" and must be unique
		518	within each server.
		519
		520	=cut
		521
		522	sub db_table($) {
		523	my ($name) = @_;
		524	my $db = BDB::db_create $DB_ENV;
		525
		526	eval {
		527	$db->set_flags (BDB::CHKSUM);
		528
		529	utf8::encode $name;
		530	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		531	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		532	cf::cleanup "db_open(db): $!" if $!;
		533	};
		534	cf::cleanup "db_open(db): $@" if $@;
		535
		536	$db
		537	}
		538
		539	our $DB;
		540
		541	sub db_init {
		542	cf::sync_job {
		543	$DB ||= db_table "db";
		544	};
		545	}
		546
		547	sub db_get($$) {
		548	my $key = "$_[0]/$_[1]";
		549
		550	cf::sync_job {
		551	BDB::db_get $DB, undef, $key, my $data;
		552
		553	$! ? ()
		554	: $data
367	1	555	}
		556	}
		557
		558	sub db_put($$$) {
		559	BDB::dbreq_pri 4;
		560	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		561	}
		562
		563	=item cf::cache $id => [$paths...], $processversion => $process
		564
		565	Generic caching function that returns the value of the resource $id,
		566	caching and regenerating as required.
		567
		568	This function can block.
		569
		570	=cut
		571
		572	sub cache {
		573	my ($id, $src, $processversion, $process) = @_;
		574
		575	my $meta =
		576	join "\x00",
		577	$processversion,
		578	map {
		579	aio_stat $_
		580	and Carp::croak "$_: $!";
		581
		582	($_, (stat _)[7,9])
		583	} @$src;
		584
		585	my $dbmeta = db_get cache => "$id/meta";
		586	if ($dbmeta ne $meta) {
		587	# changed, we may need to process
		588
		589	my @data;
		590	my $md5;
		591
		592	for (0 .. $#$src) {
		593	0 <= aio_load $src->[$_], $data[$_]
		594	or Carp::croak "$src->[$_]: $!";
		595	}
		596
		597	# if processing is expensive, check
		598	# checksum first
		599	if (1) {
		600	$md5 =
		601	join "\x00",
		602	$processversion,
		603	map {
		604	cf::cede_to_tick;
		605	($src->[$_], Digest::MD5::md5_hex $data[$_])
		606	} 0.. $#$src;
		607
		608
		609	my $dbmd5 = db_get cache => "$id/md5";
		610	if ($dbmd5 eq $md5) {
		611	db_put cache => "$id/meta", $meta;
		612
		613	return db_get cache => "$id/data";
		614	}
		615	}
		616
		617	my $t1 = Time::HiRes::time;
		618	my $data = $process->(\@data);
		619	my $t2 = Time::HiRes::time;
		620
		621	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		622
		623	db_put cache => "$id/data", $data;
		624	db_put cache => "$id/md5" , $md5;
		625	db_put cache => "$id/meta", $meta;
		626
		627	return $data;
		628	}
		629
		630	db_get cache => "$id/data"
		631	}
		632
		633	=item cf::datalog type => key => value, ...
		634
		635	Log a datalog packet of the given type with the given key-value pairs.
		636
		637	=cut
		638
		639	sub datalog($@) {
		640	my ($type, %kv) = @_;
		641	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	642	}
369		643
370	=back	644	=back
371		645
372	=cut	646	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	653	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	654	to it. All such attachable objects support the following methods.
381		655
382	In the following description, CLASS can be any of C<global>, C<object>	656	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	657	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	658	Crossfire TRT).
385		659
386	=over 4	660	=over 4
387		661
388	=item $attachable->attach ($attachment, key => $value...)	662	=item $attachable->attach ($attachment, key => $value...)
389		663
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	826	$registry = $CB_TYPE[$object_type] ||= [];
553		827
554	} elsif ($type eq "subtype") {	828	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	829	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	830	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	831	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		832
559	} elsif ($type eq "package") {	833	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	834	my $pkg = shift @arg;
561		835
562	while (my ($name, $id) = each %cb_id) {	836	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	865	_attach $registry, $klass, @attach;
592	}	866	}
593		867
594	$obj->{$name} = \%arg;	868	$obj->{$name} = \%arg;
595	} else {	869	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	870	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	871	}
598		872
599	$obj->{_attachment}{$name} = undef;	873	$obj->{_attachment}{$name} = undef;
600	}	874	}
601		875
…		…
603	if (ref $_[0]) {	877	if (ref $_[0]) {
604	_object_attach @_;	878	_object_attach @_;
605	} else {	879	} else {
606	_attach shift->_attach_registry, @_;	880	_attach shift->_attach_registry, @_;
607	}	881	}
		882	_recalc_want;
608	};	883	};
609		884
610	# all those should be optimised	885	# all those should be optimised
611	sub cf::attachable::detach {	886	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	887	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	890	delete $obj->{_attachment}{$name};
616	reattach ($obj);	891	reattach ($obj);
617	} else {	892	} else {
618	Carp::croak "cannot, currently, detach class attachments";	893	Carp::croak "cannot, currently, detach class attachments";
619	}	894	}
		895	_recalc_want;
620	};	896	};
621		897
622	sub cf::attachable::attached {	898	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	899	my ($obj, $name) = @_;
624		900
…		…
639	";	915	";
640	die if $@;	916	die if $@;
641	}	917	}
642		918
643	our $override;	919	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	920	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		921
646	sub override {	922	sub override {
647	$override = 1;	923	$override = 1;
648	@invoke_results = ();	924	@INVOKE_RESULTS = (@_);
649	}	925	}
650		926
651	sub do_invoke {	927	sub do_invoke {
652	my $event = shift;	928	my $event = shift;
653	my $callbacks = shift;	929	my $callbacks = shift;
654		930
655	@invoke_results = ();	931	@INVOKE_RESULTS = ();
656		932
657	local $override;	933	local $override;
658		934
659	for (@$callbacks) {	935	for (@$callbacks) {
660	eval { &{$_->[1]} };	936	eval { &{$_->[1]} };
…		…
677		953
678	Generate an object-specific event with the given arguments.	954	Generate an object-specific event with the given arguments.
679		955
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	956	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681	removed in future versions), and there is no public API to access override	957	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	958	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		959
684	=back	960	=back
685		961
686	=cut	962	=cut
687		963
688	#############################################################################	964	#############################################################################
689	# object support	965	# object support
		966	#
		967
		968	sub _can_merge {
		969	my ($ob1, $ob2) = @_;
		970
		971	local $Storable::canonical = 1;
		972	my $fob1 = Storable::freeze $ob1;
		973	my $fob2 = Storable::freeze $ob2;
		974
		975	$fob1 eq $fob2
		976	}
690		977
691	sub reattach {	978	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	979	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	980	my ($obj) = @_;
694		981
…		…
739	);	1026	);
740		1027
741	sub object_freezer_save {	1028	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1029	my ($filename, $rdata, $objs) = @_;
743		1030
		1031	my $guard = cf::lock_acquire "io";
		1032
744	sync_job {	1033	sync_job {
745	if (length $$rdata) {	1034	if (length $$rdata) {
		1035	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1036	warn sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1037	$decname, length $$rdata, scalar @$objs;
748		1038
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1039	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1040	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1041	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1042	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1043	close $fh;
754		1044
755	if (@$objs) {	1045	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1046	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1047	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1048	my $data = Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1049	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1050	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1051	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1052	aio_rename "$filename.pst~", "$filename.pst";
763	}	1053	}
764	} else {	1054	} else {
765	aio_unlink "$filename.pst";	1055	aio_unlink "$filename.pst";
…		…
771	}	1061	}
772	} else {	1062	} else {
773	aio_unlink $filename;	1063	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1064	aio_unlink "$filename.pst";
775	}	1065	}
776	}	1066	};
		1067
		1068	undef $guard;
777	}	1069	}
778		1070
779	sub object_freezer_as_string {	1071	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1072	my ($rdata, $objs) = @_;
781		1073
…		…
786		1078
787	sub object_thawer_load {	1079	sub object_thawer_load {
788	my ($filename) = @_;	1080	my ($filename) = @_;
789		1081
790	my ($data, $av);	1082	my ($data, $av);
		1083
		1084	my $guard = cf::lock_acquire "io";
791		1085
792	(aio_load $filename, $data) >= 0	1086	(aio_load $filename, $data) >= 0
793	or return;	1087	or return;
794		1088
795	unless (aio_stat "$filename.pst") {	1089	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1090	(aio_load "$filename.pst", $av) >= 0
797	or return;	1091	or return;
		1092
		1093	undef $guard;
798	$av = eval { (Storable::thaw $av)->{objs} };	1094	$av = eval { (Storable::thaw $av)->{objs} };
799	}	1095	}
800		1096
		1097	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
803	return ($data, $av);	1101	($data, $av)
804	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
805		1109
806	#############################################################################	1110	#############################################################################
807	# command handling &c	1111	# command handling &c
808		1112
809	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1127	}
824		1128
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1130
827	Register a callbackf ro execution when the client sends an extcmd packet.	1131	Register a callback for execution when the client sends an (synchronous)
		1132	extcmd packet. Ext commands will be processed in the order they are
		1133	received by the server, like other user commands. The first argument is
		1134	the logged-in player. Ext commands can only be processed after a player
		1135	has logged in successfully.
828		1136
829	If the callback returns something, it is sent back as if reply was being	1137	If the callback returns something, it is sent back as if reply was being
830	called.	1138	called.
831		1139
		1140	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1141
		1142	Register a callback for execution when the client sends an (asynchronous)
		1143	exticmd packet. Exti commands are processed by the server as soon as they
		1144	are received, i.e. out of order w.r.t. other commands. The first argument
		1145	is a client socket. Exti commands can be received anytime, even before
		1146	log-in.
		1147
		1148	If the callback returns something, it is sent back as if reply was being
		1149	called.
		1150
832	=cut	1151	=cut
833		1152
834	sub register_extcmd {	1153	sub register_extcmd {
835	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
836		1155
837	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
838	}	1163	}
839		1164
840	cf::player->attach (	1165	cf::player->attach (
841	on_command => sub {	1166	on_command => sub {
842	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1176	cf::override;
852	},	1177	},
853	on_extcmd => sub {	1178	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
855		1180
856	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1182
858	if (ref $msg) {	1183	if (ref $msg) {
		1184	my ($type, $reply, @payload) =
		1185	"ARRAY" eq ref $msg
		1186	? @$msg
		1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1188
		1189	my @reply;
		1190
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
864	} else {	1198	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1200	}
867		1201
868	cf::override;	1202	cf::override;
869	},	1203	},
870	);	1204	);
871		1205
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
907	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1211	next unless -r $path;
909	eval {	1212
910	load_extension $ext;	1213	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1214	my $base = $1;
		1215	my $pkg = $1;
		1216	$pkg =~ s/[^[:word:]]/_/g;
		1217	$pkg = "ext::$pkg";
		1218
		1219	open my $fh, "<:utf8", $path
		1220	or die "$path: $!";
		1221
		1222	my $source = do { local $/; <$fh> };
		1223
		1224	my %ext = (
		1225	path => $path,
		1226	base => $base,
		1227	pkg => $pkg,
		1228	);
		1229
		1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1232
		1233	$ext{source} =
		1234	"package $pkg; use strict; use utf8;\n"
		1235	. "#line 1 \"$path\"\n{\n"
		1236	. $source
		1237	. "\n};\n1";
		1238
		1239	$todo{$base} = \%ext;
		1240	}
		1241
		1242	my %done;
		1243	while (%todo) {
		1244	my $progress;
		1245
		1246	while (my ($k, $v) = each %todo) {
		1247	for (split /,\s*/, $v->{meta}{depends}) {
		1248	goto skip
		1249	unless exists $done{$_};
		1250	}
		1251
		1252	warn "... loading '$k' into '$v->{pkg}'\n";
		1253
		1254	unless (eval $v->{source}) {
		1255	my $msg = $@ ? "$v->{path}: $@\n"
		1256	: "$v->{base}: extension inactive.\n";
		1257
		1258	if (exists $v->{meta}{mandatory}) {
		1259	warn $msg;
		1260	warn "mandatory extension failed to load, exiting.\n";
		1261	exit 1;
		1262	}
		1263
		1264	warn $msg;
		1265	}
		1266
		1267	$done{$k} = delete $todo{$k};
		1268	push @EXTS, $v->{pkg};
		1269	$progress = 1;
911	1	1270	}
912	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
913	}	1276	};
914	}	1277	}
915		1278
916	#############################################################################	1279	#############################################################################
917		1280
		1281	=back
		1282
918	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
919		1284
920	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
921		1286
922	=cut	1287	=cut
…		…
927		1292
928	=head3 cf::player	1293	=head3 cf::player
929		1294
930	=over 4	1295	=over 4
931		1296
		1297	=item cf::player::num_playing
		1298
		1299	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1300
		1301	=cut
		1302
		1303	sub num_playing {
		1304	scalar grep
		1305	$_->ob->map
		1306	&& !$_->hidden
		1307	&& !$_->ob->flag (cf::FLAG_WIZ),
		1308	cf::player::list
		1309	}
		1310
932	=item cf::player::find $login	1311	=item cf::player::find $login
933		1312
934	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
935		1314
936	=cut	1315	=cut
937		1316
938	sub playerdir($) {	1317	sub playerdir($) {
939	cf::localdir	1318	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1319	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1320	}
945		1321
946	sub path($) {	1322	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1323	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1324
949	(playerdir $login) . "/$login.pl"	1325	(playerdir $login) . "/playerdata"
950	}	1326	}
951		1327
952	sub find_active($) {	1328	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1329	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1330	and $cf::PLAYER{$_[0]}->active
…		…
957		1333
958	sub exists($) {	1334	sub exists($) {
959	my ($login) = @_;	1335	my ($login) = @_;
960		1336
961	$cf::PLAYER{$login}	1337	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1338	or cf::sync_job { !aio_stat path $login }
963	}	1339	}
964		1340
965	sub find($) {	1341	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1342	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1343	my $login = $_[0];
968		1344
969	my $guard = cf::lock_acquire "user_find:$login";	1345	my $guard = cf::lock_acquire "user_find:$login";
970		1346
971	$cf::PLAYER{$_[0]} || do {	1347	$cf::PLAYER{$_[0]} || do {
972	my $pl = load_pl path $login	1348	# rename old playerfiles to new ones
		1349	#TODO: remove when no longer required
		1350	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1351	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1352	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1353	aio_unlink +(playerdir $login) . "/$login.pl";
		1354
		1355	my $f = new_from_file cf::object::thawer path $login
973	or return;	1356	or return;
		1357
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
974	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
975	}	1363	}
976	}	1364	}
977	}	1365	}
978		1366
…		…
988		1376
989	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
991		1379
992	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
993	Coro::cede;	1381	cf::cede_to_tick;
994	}	1382	}
995		1383
996	sub new($) {	1384	sub new($) {
997	my ($login) = @_;	1385	my ($login) = @_;
998		1386
…		…
1004	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1005		1393
1006	$self	1394	$self
1007	}	1395	}
1008		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
		1405	}
		1406
1009	=item $pl->quit_character	1407	=item $pl->quit_character
1010		1408
1011	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1410	be destroyed. May block for a long time.
1013		1411
1014	=cut	1412	=cut
1015		1413
1016	sub quit_character {	1414	sub quit_character {
1017	my ($pl) = @_;	1415	my ($pl) = @_;
		1416
		1417	my $name = $pl->ob->name;
1018		1418
1019	$pl->{deny_save} = 1;	1419	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1420	$pl->password ("*"); # this should lock out the player until we nuked the dir
1021		1421
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1427	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1428	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1429	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1430	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1431	$pl->destroy;
		1432
		1433	my $prefix = qr<^~\Q$name\E/>;
		1434
		1435	# nuke player maps
		1436	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1437
1032	IO::AIO::aio_rmtree $temp;	1438	IO::AIO::aio_rmtree $temp;
		1439	}
		1440
		1441	=item $pl->kick
		1442
		1443	Kicks a player out of the game. This destroys the connection.
		1444
		1445	=cut
		1446
		1447	sub kick {
		1448	my ($pl, $kicker) = @_;
		1449
		1450	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1451	$pl->killer ("kicked");
		1452	$pl->ns->destroy;
1033	}	1453	}
1034		1454
1035	=item cf::player::list_logins	1455	=item cf::player::list_logins
1036		1456
1037	Returns am arrayref of all valid playernames in the system, can take a	1457	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1039		1459
1040	=cut	1460	=cut
1041		1461
1042	sub list_logins {	1462	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1464	or return [];
1045		1465
1046	my @logins;	1466	my @logins;
1047		1467
1048	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1052		1477
1053	utf8::decode $login;	1478	utf8::decode $login;
1054	push @logins, $login;	1479	push @logins, $login;
1055	}	1480	}
1056		1481
…		…
1064		1489
1065	=cut	1490	=cut
1066		1491
1067	sub maps($) {	1492	sub maps($) {
1068	my ($pl) = @_;	1493	my ($pl) = @_;
		1494
		1495	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1496
1070	my $files = aio_readdir playerdir $pl	1497	my $files = aio_readdir playerdir $pl
1071	or return;	1498	or return;
1072		1499
1073	my @paths;	1500	my @paths;
…		…
1075	for (@$files) {	1502	for (@$files) {
1076	utf8::decode $_;	1503	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1504	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1505	next unless /^$PATH_SEP/o;
1079		1506
1080	s/\.map$//;	1507	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1508	}
1083		1509
1084	\@paths	1510	\@paths
1085	}	1511	}
1086		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1088		1565
1089	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1090		1567
1091	=cut	1568	=cut
1092		1569
1093	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1095		1572
1096	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1574	}
1100		1575
1101	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		1583	my ($self, $type, @msg) = @_;
		1584
		1585	$self->ns->ext_msg ($type, @msg);
		1586	}
		1587
		1588	=head3 cf::region
		1589
		1590	=over 4
		1591
		1592	=cut
		1593
		1594	package cf::region;
		1595
		1596	=item cf::region::find_by_path $path
		1597
		1598	Tries to decuce the likely region for a map knowing only its path.
		1599
		1600	=cut
		1601
		1602	sub find_by_path($) {
		1603	my ($path) = @_;
		1604
		1605	my ($match, $specificity);
		1606
		1607	for my $region (list) {
		1608	if ($region->{match} && $path =~ $region->{match}) {
		1609	($match, $specificity) = ($region, $region->specificity)
		1610	if $region->specificity > $specificity;
		1611	}
		1612	}
		1613
		1614	$match
		1615	}
1102		1616
1103	=back	1617	=back
1104
1105		1618
1106	=head3 cf::map	1619	=head3 cf::map
1107		1620
1108	=over 4	1621	=over 4
1109		1622
…		…
1121	our $MAX_RESET = 3600;	1634	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1635	our $DEFAULT_RESET = 3000;
1123		1636
1124	sub generate_random_map {	1637	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1638	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1639	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1640	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1641	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1642	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1643	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1650	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1651	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1652	)
1141	}	1653	}
1142		1654
		1655	=item cf::map->register ($regex, $prio)
		1656
		1657	Register a handler for the map path matching the given regex at the
		1658	givne priority (higher is better, built-in handlers have priority 0, the
		1659	default).
		1660
		1661	=cut
		1662
1143	sub register {	1663	sub register {
1144	my (undef, $regex) = @_;	1664	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1665	my $pkg = caller;
1146		1666
1147	no strict;	1667	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1668	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1669
1150	$EXT_MAP{$pkg} = qr<$regex>;	1670	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1671	}
1152		1672
1153	# also paths starting with '/'	1673	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1674	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1155		1675
1156	sub thawer_merge {	1676	sub thawer_merge {
1157	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1158		1678
1159	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1160	local $self->{path};	1680	local $self->{path};
1161	local $self->{load_path};	1681	local $self->{load_path};
1162	local $self->{deny_save};
1163	local $self->{deny_reset};
1164		1682
1165	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1166	}	1684	}
1167		1685
1168	sub normalise {	1686	sub normalise {
1169	my ($path, $base) = @_;	1687	my ($path, $base) = @_;
		1688
		1689	$path = "$path"; # make sure its a string
		1690
		1691	$path =~ s/\.map$//;
1170		1692
1171	# map plan:	1693	# map plan:
1172	#	1694	#
1173	# /! non-realised random map exit (special hack!)	1695	# /! non-realised random map exit (special hack!)
1174	# {... are special paths that are not being touched	1696	# {... are special paths that are not being touched
…		…
1202		1724
1203	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1725	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1204		1726
1205	$path = normalise $path, $base;	1727	$path = normalise $path, $base;
1206		1728
1207	for my $pkg (keys %EXT_MAP) {	1729	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1208	if ($path =~ $EXT_MAP{$pkg}) {	1730	if ($path =~ $EXT_MAP{$pkg}[1]) {
1209	my $self = bless cf::map::new, $pkg;	1731	my $self = bless cf::map::new, $pkg;
1210	$self->{path} = $path; $self->path ($path);	1732	$self->{path} = $path; $self->path ($path);
1211	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1212	return $self;	1734	return $self;
1213	}	1735	}
1214	}	1736	}
1215		1737
1216	Carp::carp "unable to resolve path '$path'.";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1217	()	1739	()
1218	}	1740	}
1219		1741
1220	sub init {	1742	sub init {
1221	my ($self) = @_;	1743	my ($self) = @_;
…		…
1236		1758
1237	# the original (read-only) location	1759	# the original (read-only) location
1238	sub load_path {	1760	sub load_path {
1239	my ($self) = @_;	1761	my ($self) = @_;
1240		1762
1241	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1242	}	1764	}
1243		1765
1244	# the temporary/swap location	1766	# the temporary/swap location
1245	sub save_path {	1767	sub save_path {
1246	my ($self) = @_;	1768	my ($self) = @_;
1247		1769
1248	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1249	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1250	}	1772	}
1251		1773
1252	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1253	sub uniq_path {	1775	sub uniq_path {
1254	my ($self) = @_;	1776	my ($self) = @_;
1255		1777
1256	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1257	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1258	}	1780	}
1259		1781
1260	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1261	# all maps in C++...	1783	# all maps in C++...
1262	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1264		1786
1265	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1266	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1267	}	1789	}
1268		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1269	sub unlink_save {	1799	sub unlink_save {
1270	my ($self) = @_;	1800	my ($self) = @_;
1271		1801
1272	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1273	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1276		1806
1277	sub load_header_from($) {	1807	sub load_header_from($) {
1278	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1279		1809
1280	utf8::encode $path;	1810	utf8::encode $path;
1281	aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1282	or return;	1812	or return;
1283		1813
1284	$self->_load_header ($path)	1814	$self->_load_header ($f)
1285	or return;	1815	or return;
1286		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
		1819
1287	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1288		1821
1289	1	1822	1
1290	}	1823	}
1291		1824
1292	sub load_orig {	1825	sub load_header_orig {
1293	my ($self) = @_;	1826	my ($self) = @_;
1294		1827
1295	$self->load_header_from ($self->load_path)	1828	$self->load_header_from ($self->load_path)
1296	}	1829	}
1297		1830
1298	sub load_temp {	1831	sub load_header_temp {
1299	my ($self) = @_;	1832	my ($self) = @_;
1300		1833
1301	$self->load_header_from ($self->save_path)	1834	$self->load_header_from ($self->save_path)
		1835	}
		1836
		1837	sub prepare_temp {
		1838	my ($self) = @_;
		1839
		1840	$self->last_access ((delete $self->{last_access})
		1841	|| $cf::RUNTIME); #d#
		1842	# safety
		1843	$self->{instantiate_time} = $cf::RUNTIME
		1844	if $self->{instantiate_time} > $cf::RUNTIME;
		1845	}
		1846
		1847	sub prepare_orig {
		1848	my ($self) = @_;
		1849
		1850	$self->{load_original} = 1;
		1851	$self->{instantiate_time} = $cf::RUNTIME;
		1852	$self->last_access ($cf::RUNTIME);
		1853	$self->instantiate;
1302	}	1854	}
1303		1855
1304	sub load_header {	1856	sub load_header {
1305	my ($self) = @_;	1857	my ($self) = @_;
1306		1858
1307	if ($self->load_temp) {	1859	if ($self->load_header_temp) {
1308	$self->last_access ((delete $self->{last_access})	1860	$self->prepare_temp;
1309	|| $cf::RUNTIME); #d#
1310	# safety
1311	$self->{instantiate_time} = $cf::RUNTIME
1312	if $self->{instantiate_time} > $cf::RUNTIME;
1313	} else {	1861	} else {
1314	$self->load_orig	1862	$self->load_header_orig
1315	or return;	1863	or return;
1316		1864	$self->prepare_orig;
1317	$self->{load_original} = 1;
1318	$self->{instantiate_time} = $cf::RUNTIME;
1319	$self->last_access ($cf::RUNTIME);
1320	$self->instantiate;
1321	}	1865	}
		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
		1870	$self->default_region (cf::region::find_by_path $self->{path})
		1871	unless $self->default_region;
1322		1872
1323	1	1873	1
1324	}	1874	}
1325		1875
1326	sub find;	1876	sub find;
1327	sub find {	1877	sub find {
1328	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1329		1879
1330	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1331		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1332	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1333		1884
1334	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1335	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1336	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1337	or return;	1890	or return;
1338		1891
1339	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1340		1893
1341	$map->load_header	1894	$map->load_header
1342	or return;	1895	or return;
1343		1896
1344	if ($map->should_reset) {	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1898	# doing this can freeze the server in a sync job, obviously
1345	$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1346	$map->reset;	1902	$map->reset;
1347	undef $guard;
1348	$map = find $path	1903	return find $path;
1349	or return;
1350	}	1904	}
1351		1905
1352	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1353	}	1907	}
1354	}	1908	}
		1909
		1910	sub pre_load { }
		1911	sub post_load { }
1355		1912
1356	sub load {	1913	sub load {
1357	my ($self) = @_;	1914	my ($self) = @_;
1358		1915
		1916	local $self->{deny_reset} = 1; # loading can take a long time
		1917
1359	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1360	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1361		1922
		1923	return unless $self->valid;
1362	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1363		1925
1364	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1365		1927
1366	$self->alloc;	1928	$self->alloc;
1367	$self->_load_objects ($self->{load_path}, 1)	1929
		1930	$self->pre_load;
		1931	cf::cede_to_tick;
		1932
		1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
		1935	$self->_load_objects ($f)
1368	or return;	1936	or return;
1369		1937
1370	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1371	if delete $self->{load_original};	1939	if delete $self->{load_original};
1372		1940
1373	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1374	utf8::encode $uniq;	1942	utf8::encode $uniq;
1375	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1376	$self->clear_unique_items;	1945	$self->clear_unique_items;
1377	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1378	}	1949	}
1379	}	1950	}
1380		1951
1381	Coro::cede;	1952	$f->resolve_delayed_derefs;
1382		1953
		1954	cf::cede_to_tick;
1383	# now do the right thing for maps	1955	# now do the right thing for maps
1384	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1385
1386	unless ($self->{deny_activate}) {
1387	$self->decay_objects;
1388	$self->fix_auto_apply;
1389	$self->update_buttons;
1390	Coro::cede;
1391	$self->set_darkness_map;
1392	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1393	unless $self->difficulty;	1958	unless $self->difficulty;
1394	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($self->{deny_activate}) {
		1962	$self->decay_objects;
		1963	$self->fix_auto_apply;
		1964	$self->update_buttons;
		1965	cf::cede_to_tick;
		1966	$self->set_darkness_map;
		1967	cf::cede_to_tick;
1395	$self->activate;	1968	$self->activate;
1396	}	1969	}
1397		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
		1973
1398	$self->in_memory (cf::MAP_IN_MEMORY);	1974	$self->in_memory (cf::MAP_IN_MEMORY);
		1975	}
		1976
		1977	$self->post_load;
1399	}	1978	}
1400		1979
1401	sub customise_for {	1980	sub customise_for {
1402	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1403		1982
1404	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1405	if $self->per_player;	1984	if $self->per_player;
1406		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1407	$self	1989	$self
1408	}	1990	}
1409		1991
1410	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1411	sub load_diag {	1993	sub load_neighbours {
1412	my ($map) = @_;	1994	my ($map) = @_;
1413		1995
1414	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1415		1997
1416	for (0 .. 3) {	1998	for (0 .. 3) {
1417	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1418	or next;	2000	or next;
1419	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1420	or next;	2002	or next;
1421	$neigh->load;	2003	$neigh->load;
1422		2004
		2005	push @neigh,
1423	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1424	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1425	}	2008	}
1426		2009
1427	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1428	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1429	or next;	2013	or next;
1430	$neigh->load;	2014	$neigh->load;
1431	}	2015	}
1432	}	2016	}
1433		2017
…		…
1438	}	2022	}
1439		2023
1440	sub do_load_sync {	2024	sub do_load_sync {
1441	my ($map) = @_;	2025	my ($map) = @_;
1442		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1443	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1444	}	2031	}
1445		2032
1446	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1447	our $MAP_PREFETCHER = Coro::async {	2034	our $MAP_PREFETCHER = undef;
1448	while () {
1449	for my $path (keys %MAP_PREFETCH) {
1450	my $map = find $path
1451	or next;
1452	$map->load;
1453
1454	delete $MAP_PREFETCH{$path};
1455	}
1456	Coro::schedule;
1457	}
1458	};
1459		2035
1460	sub find_async {	2036	sub find_async {
1461	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1462		2038
1463	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1464		2040
1465	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2043	}
		2044
		2045	$MAP_PREFETCH{$path} |= $load;
		2046
		2047	$MAP_PREFETCHER ||= cf::async {
		2048	while (%MAP_PREFETCH) {
		2049	while (my ($k, $v) = each %MAP_PREFETCH) {
		2050	if (my $map = find $k) {
		2051	$map->load if $v;
		2052	}
		2053
		2054	delete $MAP_PREFETCH{$k};
		2055	}
		2056	}
		2057	undef $MAP_PREFETCHER;
1467	}	2058	};
1468
1469	$MAP_PREFETCH{$path} = 0;
1470	$MAP_PREFETCHER->ready;	2059	$MAP_PREFETCHER->prio (6);
1471		2060
1472	()	2061	()
1473	}	2062	}
1474		2063
1475	sub save {	2064	sub save {
1476	my ($self) = @_;	2065	my ($self) = @_;
1477		2066
1478	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1479		2068
1480	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1481		2070
1482	return unless $self->dirty;	2071	return unless $self->dirty;
1483		2072
…		…
1506	my ($self) = @_;	2095	my ($self) = @_;
1507		2096
1508	# save first because save cedes	2097	# save first because save cedes
1509	$self->save;	2098	$self->save;
1510		2099
1511	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1512		2101
1513	return if $self->players;	2102	return if $self->players;
1514	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1515	return if $self->{deny_save};	2104	return if $self->{deny_save};
1516		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1517	$self->clear;	2110	$self->clear;
1518	$self->in_memory (cf::MAP_SWAPPED);
1519	}	2111	}
1520		2112
1521	sub reset_at {	2113	sub reset_at {
1522	my ($self) = @_;	2114	my ($self) = @_;
1523		2115
1524	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1525	return 1e99 if $self->isa ("ext::map_per_player");#d#
1526	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1527		2118
1528	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1529	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1530		2121
…		…
1541	my ($self) = @_;	2132	my ($self) = @_;
1542		2133
1543	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		2135
1545	return if $self->players;	2136	return if $self->players;
1546	return if $self->isa ("ext::map_per_player");#d#
1547		2137
1548	warn "resetting map ", $self->path;#d#	2138	warn "resetting map ", $self->path;
		2139
		2140	$self->in_memory (cf::MAP_SWAPPED);
		2141
		2142	# need to save uniques path
		2143	unless ($self->{deny_save}) {
		2144	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2145
		2146	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2147	if $uniq;
		2148	}
1549		2149
1550	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1551		2151
1552	$self->in_memory (cf::MAP_SWAPPED);	2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1553	$self->clear;	2154	$self->clear;
1554
1555	$_->clear_links_to ($self) for values %cf::MAP;
1556		2155
1557	$self->unlink_save;	2156	$self->unlink_save;
1558	$self->destroy;	2157	$self->destroy;
1559	}	2158	}
1560		2159
1561	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1562		2161
1563	sub nuke {	2162	sub nuke {
1564	my ($self) = @_;	2163	my ($self) = @_;
1565		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
1566	delete $cf::MAP{$self->path};	2168	delete $cf::MAP{$self->path};
1567		2169
1568	$self->unlink_save;	2170	$self->unlink_save;
1569		2171
1570	bless $self, "cf::map";	2172	bless $self, "cf::map";
1571	delete $self->{deny_reset};	2173	delete $self->{deny_reset};
1572	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1573	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1574	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1575		2177
1576	$cf::MAP{$self->path} = $self;	2178	$cf::MAP{$self->path} = $self;
		2179	}
1577		2180
1578	$self->reset; # polite request, might not happen	2181	$self->reset; # polite request, might not happen
		2182	}
		2183
		2184	=item $maps = cf::map::tmp_maps
		2185
		2186	Returns an arrayref with all map paths of currently instantiated and saved
		2187	maps. May block.
		2188
		2189	=cut
		2190
		2191	sub tmp_maps() {
		2192	[
		2193	map {
		2194	utf8::decode $_;
		2195	/\.map$/
		2196	? normalise $_
		2197	: ()
		2198	} @{ aio_readdir $TMPDIR or [] }
		2199	]
		2200	}
		2201
		2202	=item $maps = cf::map::random_maps
		2203
		2204	Returns an arrayref with all map paths of currently instantiated and saved
		2205	random maps. May block.
		2206
		2207	=cut
		2208
		2209	sub random_maps() {
		2210	[
		2211	map {
		2212	utf8::decode $_;
		2213	/\.map$/
		2214	? normalise "?random/$_"
		2215	: ()
		2216	} @{ aio_readdir $RANDOMDIR or [] }
		2217	]
1579	}	2218	}
1580		2219
1581	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1582		2221
1583	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1584	instantiated unique items. May block.	2223	instantiated unique items. May block.
1585		2224
1586	=cut	2225	=cut
1587		2226
1588	sub unique_maps() {	2227	sub unique_maps() {
1589	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2228	[
1590	or return;	2229	map {
1591
1592	my @paths;
1593
1594	for (@$files) {
1595	utf8::decode $_;	2230	utf8::decode $_;
1596	next if /\.pst$/;
1597	next unless /^$PATH_SEP/o;
1598
1599	s/\.map$//;	2231	/\.map$/
1600	push @paths, $_;	2232	? normalise $_
		2233	: ()
		2234	} @{ aio_readdir $UNIQUEDIR or [] }
1601	}	2235	]
1602
1603	\@paths
1604	}	2236	}
1605		2237
1606	package cf;	2238	package cf;
1607		2239
1608	=back	2240	=back
…		…
1626	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1627	}	2259	}
1628		2260
1629	sub inv_recursive {	2261	sub inv_recursive {
1630	inv_recursive_ inv $_[0]	2262	inv_recursive_ inv $_[0]
		2263	}
		2264
		2265	=item $ref = $ob->ref
		2266
		2267	creates and returns a persistent reference to an objetc that can be stored as a string.
		2268
		2269	=item $ob = cf::object::deref ($refstring)
		2270
		2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2272	even if the object actually exists. May block.
		2273
		2274	=cut
		2275
		2276	sub deref {
		2277	my ($ref) = @_;
		2278
		2279	# temporary compatibility#TODO#remove
		2280	$ref =~ s{^<}{player/<};
		2281
		2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1631	}	2294	}
1632		2295
1633	package cf;	2296	package cf;
1634		2297
1635	=back	2298	=back
…		…
1654		2317
1655	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1656		2319
1657	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1658	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1659	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1660	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1661	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1662	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1663	}	2345	}
1664		2346
1665	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1666		2348
1667	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1699	=cut	2381	=cut
1700		2382
1701	sub link_map {	2383	sub link_map {
1702	unless ($LINK_MAP) {	2384	unless ($LINK_MAP) {
1703	$LINK_MAP = cf::map::find "{link}"	2385	$LINK_MAP = cf::map::find "{link}"
1704	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2386	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1705	$LINK_MAP->load;	2387	$LINK_MAP->load;
1706	}	2388	}
1707		2389
1708	$LINK_MAP	2390	$LINK_MAP
1709	}	2391	}
…		…
1714	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1715		2397
1716	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1717		2399
1718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1719	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1720		2402
1721	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1722	}	2404	}
1723		2405
1724	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1725	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1726		2410
1727	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1728		2412
1729	unless ($map) {	2413	unless ($map) {
1730	# restore original map position	2414	# restore original map position
…		…
1744	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1745	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1746	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1747		2431
1748	$map->load;	2432	$map->load;
1749	$map->load_diag;	2433	$map->load_neighbours;
1750		2434
1751	return unless $self->contr->active;	2435	return unless $self->contr->active;
1752	$self->activate_recursive;	2436	$self->activate_recursive;
		2437
		2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1753	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1754	}	2440	}
1755		2441
1756	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1757	on_logout => sub {
1758	my ($pl) = @_;
1759		2443
1760	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1761	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1762	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1763	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1764	};	2448	be called at the end of this process.
1765	}
1766	},
1767	on_login => sub {
1768	my ($pl) = @_;
1769		2449
1770	# try to abort aborted map switching on player login :)
1771	# should happen only on crashes
1772	if ($pl->ob->{_link_pos}) {
1773	$pl->ob->enter_link;
1774	(async {
1775	# we need this sleep as the login has a concurrent enter_exit running
1776	# and this sleep increases chances of the player not ending up in scorn
1777	$pl->ob->reply (undef,
1778	"There was an internal problem at your last logout, "
1779	. "the server will try to bring you to your intended destination in a second.",
1780	cf::NDI_RED);
1781	Coro::Timer::sleep 1;
1782	$pl->ob->leave_link;
1783	})->prio (2);
1784	}
1785	},
1786	);
1787
1788	=item $player_object->goto ($path, $x, $y)
1789
1790	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1791		2453
1792	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1793	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1794		2459
1795	$self->enter_link;	2460	$self->enter_link;
1796		2461
1797	(async {	2462	(async {
1798	my $map = cf::map::find $path;	2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
		2467
		2468	# see if we actually can go there
		2469	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2470	$ob = $obs[rand @obs];
		2471	} else {
		2472	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2473	}
		2474	# else put us there anyways for now #d#
		2475
		2476	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2477	} else {
		2478	($path, $x, $y) = (undef, undef, undef);
		2479	}
		2480	}
		2481
		2482	my $map = eval {
		2483	my $map = defined $path ? cf::map::find $path : undef;
		2484
		2485	if ($map) {
1799	$map = $map->customise_for ($self) if $map;	2486	$map = $map->customise_for ($self);
1800		2487	$map = $check->($map) if $check && $map;
1801	# warn "entering ", $map->path, " at ($x, $y)\n"	2488	} else {
1802	# if $map;
1803
1804	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2489	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2490	}
1805		2491
		2492	$map
		2493	};
		2494
		2495	if ($@) {
		2496	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2497	LOG llevError | logBacktrace, Carp::longmess $@;
		2498	}
		2499
		2500	if ($gen == $self->{_goto_generation}) {
		2501	delete $self->{_goto_generation};
1806	$self->leave_link ($map, $x, $y);	2502	$self->leave_link ($map, $x, $y);
		2503	}
		2504
		2505	$done->() if $done;
1807	})->prio (1);	2506	})->prio (1);
1808	}	2507	}
1809		2508
1810	=item $player_object->enter_exit ($exit_object)	2509	=item $player_object->enter_exit ($exit_object)
1811		2510
…		…
1813		2512
1814	sub parse_random_map_params {	2513	sub parse_random_map_params {
1815	my ($spec) = @_;	2514	my ($spec) = @_;
1816		2515
1817	my $rmp = { # defaults	2516	my $rmp = { # defaults
1818	xsize => 10,	2517	xsize => (cf::rndm 15, 40),
1819	ysize => 10,	2518	ysize => (cf::rndm 15, 40),
		2519	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2520	#layout => string,
1820	};	2521	};
1821		2522
1822	for (split /\n/, $spec) {	2523	for (split /\n/, $spec) {
1823	my ($k, $v) = split /\s+/, $_, 2;	2524	my ($k, $v) = split /\s+/, $_, 2;
1824		2525
…		…
1828	$rmp	2529	$rmp
1829	}	2530	}
1830		2531
1831	sub prepare_random_map {	2532	sub prepare_random_map {
1832	my ($exit) = @_;	2533	my ($exit) = @_;
		2534
		2535	my $guard = cf::lock_acquire "exit_prepare:$exit";
1833		2536
1834	# all this does is basically replace the /! path by	2537	# all this does is basically replace the /! path by
1835	# a new random map path (?random/...) with a seed	2538	# a new random map path (?random/...) with a seed
1836	# that depends on the exit object	2539	# that depends on the exit object
1837		2540
1838	my $rmp = parse_random_map_params $exit->msg;	2541	my $rmp = parse_random_map_params $exit->msg;
1839		2542
1840	if ($exit->map) {	2543	if ($exit->map) {
1841	$rmp->{region} = $exit->map->region_name;	2544	$rmp->{region} = $exit->region->name;
1842	$rmp->{origin_map} = $exit->map->path;	2545	$rmp->{origin_map} = $exit->map->path;
1843	$rmp->{origin_x} = $exit->x;	2546	$rmp->{origin_x} = $exit->x;
1844	$rmp->{origin_y} = $exit->y;	2547	$rmp->{origin_y} = $exit->y;
1845	}	2548	}
1846		2549
1847	$rmp->{random_seed} ||= $exit->random_seed;	2550	$rmp->{random_seed} ||= $exit->random_seed;
1848		2551
1849	my $data = cf::to_json $rmp;	2552	my $data = cf::to_json $rmp;
1850	my $md5 = Digest::MD5::md5_hex $data;	2553	my $md5 = Digest::MD5::md5_hex $data;
		2554	my $meta = "$RANDOMDIR/$md5.meta";
1851		2555
1852	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2556	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1853	aio_write $fh, 0, (length $data), $data, 0;	2557	aio_write $fh, 0, (length $data), $data, 0;
		2558	undef $fh;
		2559	aio_rename "$meta~", $meta;
1854		2560
1855	$exit->slaying ("?random/$md5");	2561	$exit->slaying ("?random/$md5");
1856	$exit->msg (undef);	2562	$exit->msg (undef);
1857	}	2563	}
1858	}	2564	}
…		…
1860	sub cf::object::player::enter_exit {	2566	sub cf::object::player::enter_exit {
1861	my ($self, $exit) = @_;	2567	my ($self, $exit) = @_;
1862		2568
1863	return unless $self->type == cf::PLAYER;	2569	return unless $self->type == cf::PLAYER;
1864		2570
		2571	if ($exit->slaying eq "/!") {
		2572	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2573	# the problem is that $exit might not survive long enough
		2574	# so it needs to be done right now, right here
		2575	cf::sync_job { prepare_random_map $exit };
		2576	}
		2577
		2578	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2579	my $hp = $exit->stats->hp;
		2580	my $sp = $exit->stats->sp;
		2581
1865	$self->enter_link;	2582	$self->enter_link;
		2583
		2584	# if exit is damned, update players death & WoR home-position
		2585	$self->contr->savebed ($slaying, $hp, $sp)
		2586	if $exit->flag (FLAG_DAMNED);
1866		2587
1867	(async {	2588	(async {
1868	$self->deactivate_recursive; # just to be sure	2589	$self->deactivate_recursive; # just to be sure
1869	unless (eval {	2590	unless (eval {
1870	prepare_random_map $exit	2591	$self->goto ($slaying, $hp, $sp);
1871	if $exit->slaying eq "/!";
1872
1873	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1874	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1875		2592
1876	1;	2593	1;
1877	}) {	2594	}) {
1878	$self->message ("Something went wrong deep within the crossfire server. "	2595	$self->message ("Something went wrong deep within the crossfire server. "
1879	. "I'll try to bring you back to the map you were before. "	2596	. "I'll try to bring you back to the map you were before. "
1880	. "Please report this to the dungeon master!",	2597	. "Please report this to the dungeon master!",
1881	cf::NDI_UNIQUE | cf::NDI_RED);	2598	cf::NDI_UNIQUE | cf::NDI_RED);
1882		2599
1883	warn "ERROR in enter_exit: $@";	2600	warn "ERROR in enter_exit: $@";
1884	$self->leave_link;	2601	$self->leave_link;
1885	}	2602	}
1886	})->prio (1);	2603	})->prio (1);
…		…
1899		2616
1900	sub cf::client::send_drawinfo {	2617	sub cf::client::send_drawinfo {
1901	my ($self, $text, $flags) = @_;	2618	my ($self, $text, $flags) = @_;
1902		2619
1903	utf8::encode $text;	2620	utf8::encode $text;
1904	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2621	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1905	}	2622	}
1906		2623
		2624	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2625
		2626	Send a drawinfo or msg packet to the client, formatting the msg for the
		2627	client if neccessary. C<$type> should be a string identifying the type of
		2628	the message, with C<log> being the default. If C<$color> is negative, suppress
		2629	the message unless the client supports the msg packet.
		2630
		2631	=cut
		2632
		2633	our %CHANNEL = (
		2634	"c/identify" => {
		2635	id => "identify",
		2636	title => "Identify",
		2637	reply => undef,
		2638	tooltip => "Items recently identified",
		2639	},
		2640	"c/examine" => {
		2641	id => "examine",
		2642	title => "Examine",
		2643	reply => undef,
		2644	tooltip => "Signs and other items you examined",
		2645	},
		2646	);
		2647
		2648	sub cf::client::send_msg {
		2649	my ($self, $channel, $msg, $color, @extra) = @_;
		2650
		2651	$msg = $self->pl->expand_cfpod ($msg);
		2652
		2653	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2654
		2655	# check predefined channels, for the benefit of C
		2656	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2657
		2658	if (ref $channel) {
		2659	# send meta info to client, if not yet sent
		2660	unless (exists $self->{channel}{$channel->{id}}) {
		2661	$self->{channel}{$channel->{id}} = $channel;
		2662	$self->ext_msg (channel_info => $channel)
		2663	if $self->can_msg;
		2664	}
		2665
		2666	$channel = $channel->{id};
		2667	}
		2668
		2669	return unless @extra || length $msg;
		2670
		2671	if ($self->can_msg) {
		2672	# default colour, mask it out
		2673	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2674	if $color & cf::NDI_DEF;
		2675
		2676	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2677	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2678	} else {
		2679	if ($color >= 0) {
		2680	# replace some tags by gcfclient-compatible ones
		2681	for ($msg) {
		2682	1 while
		2683	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2684	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2685	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2686	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2687	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2688	}
		2689
		2690	$color &= cf::NDI_COLOR_MASK;
		2691
		2692	utf8::encode $msg;
		2693
		2694	if (0 && $msg =~ /\[/) {
		2695	# COMMAND/INFO
		2696	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2697	} else {
		2698	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2699	$self->send_packet ("drawinfo $color $msg")
		2700	}
		2701	}
		2702	}
		2703	}
		2704
		2705	=item $client->ext_msg ($type, @msg)
		2706
		2707	Sends an ext event to the client.
		2708
		2709	=cut
		2710
		2711	sub cf::client::ext_msg($$@) {
		2712	my ($self, $type, @msg) = @_;
		2713
		2714	if ($self->extcmd == 2) {
		2715	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2716	} elsif ($self->extcmd == 1) { # TODO: remove
		2717	push @msg, msgtype => "event_$type";
		2718	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2719	}
		2720	}
		2721
		2722	=item $client->ext_reply ($msgid, @msg)
		2723
		2724	Sends an ext reply to the client.
		2725
		2726	=cut
		2727
		2728	sub cf::client::ext_reply($$@) {
		2729	my ($self, $id, @msg) = @_;
		2730
		2731	if ($self->extcmd == 2) {
		2732	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2733	} elsif ($self->extcmd == 1) {
		2734	#TODO: version 1, remove
		2735	unshift @msg, msgtype => "reply", msgid => $id;
		2736	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2737	}
		2738	}
1907		2739
1908	=item $success = $client->query ($flags, "text", \&cb)	2740	=item $success = $client->query ($flags, "text", \&cb)
1909		2741
1910	Queues a query to the client, calling the given callback with	2742	Queues a query to the client, calling the given callback with
1911	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2743	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1912	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2744	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1913		2745
1914	Queries can fail, so check the return code. Or don't, as queries will become	2746	Queries can fail, so check the return code. Or don't, as queries will
1915	reliable at some point in the future.	2747	become reliable at some point in the future.
1916		2748
1917	=cut	2749	=cut
1918		2750
1919	sub cf::client::query {	2751	sub cf::client::query {
1920	my ($self, $flags, $text, $cb) = @_;	2752	my ($self, $flags, $text, $cb) = @_;
…		…
1928	utf8::encode $text;	2760	utf8::encode $text;
1929	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2761	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1930		2762
1931	$self->send_packet ($self->{query_queue}[0][0])	2763	$self->send_packet ($self->{query_queue}[0][0])
1932	if @{ $self->{query_queue} } == 1;	2764	if @{ $self->{query_queue} } == 1;
		2765
		2766	1
1933	}	2767	}
1934		2768
1935	cf::client->attach (	2769	cf::client->attach (
		2770	on_connect => sub {
		2771	my ($ns) = @_;
		2772
		2773	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2774	},
1936	on_reply => sub {	2775	on_reply => sub {
1937	my ($ns, $msg) = @_;	2776	my ($ns, $msg) = @_;
1938		2777
1939	# this weird shuffling is so that direct followup queries	2778	# this weird shuffling is so that direct followup queries
1940	# get handled first	2779	# get handled first
1941	my $queue = delete $ns->{query_queue}	2780	my $queue = delete $ns->{query_queue}
1942	or return; # be conservative, not sure how that can happen, but we saw a crash here	2781	or return; # be conservative, not sure how that can happen, but we saw a crash here
1943		2782
1944	(shift @$queue)->[1]->($msg);	2783	(shift @$queue)->[1]->($msg);
		2784	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1945		2785
1946	push @{ $ns->{query_queue} }, @$queue;	2786	push @{ $ns->{query_queue} }, @$queue;
1947		2787
1948	if (@{ $ns->{query_queue} } == @$queue) {	2788	if (@{ $ns->{query_queue} } == @$queue) {
1949	if (@$queue) {	2789	if (@$queue) {
…		…
1951	} else {	2791	} else {
1952	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2792	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1953	}	2793	}
1954	}	2794	}
1955	},	2795	},
		2796	on_exticmd => sub {
		2797	my ($ns, $buf) = @_;
		2798
		2799	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2800
		2801	if (ref $msg) {
		2802	my ($type, $reply, @payload) =
		2803	"ARRAY" eq ref $msg
		2804	? @$msg
		2805	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2806
		2807	my @reply;
		2808
		2809	if (my $cb = $EXTICMD{$type}) {
		2810	@reply = $cb->($ns, @payload);
		2811	}
		2812
		2813	$ns->ext_reply ($reply, @reply)
		2814	if $reply;
		2815
		2816	} else {
		2817	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2818	}
		2819
		2820	cf::override;
		2821	},
1956	);	2822	);
1957		2823
1958	=item $client->async (\&cb)	2824	=item $client->async (\&cb)
1959		2825
1960	Create a new coroutine, running the specified callback. The coroutine will	2826	Create a new coroutine, running the specified callback. The coroutine will
…		…
2001	our $safe = new Safe "safe";	2867	our $safe = new Safe "safe";
2002	our $safe_hole = new Safe::Hole;	2868	our $safe_hole = new Safe::Hole;
2003		2869
2004	$SIG{FPE} = 'IGNORE';	2870	$SIG{FPE} = 'IGNORE';
2005		2871
2006	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2872	$safe->permit_only (Opcode::opset qw(
		2873	:base_core :base_mem :base_orig :base_math
		2874	grepstart grepwhile mapstart mapwhile
		2875	sort time
		2876	));
2007		2877
2008	# here we export the classes and methods available to script code	2878	# here we export the classes and methods available to script code
2009		2879
2010	=pod	2880	=pod
2011		2881
2012	The following fucntions and emthods are available within a safe environment:	2882	The following functions and methods are available within a safe environment:
2013		2883
2014	cf::object contr pay_amount pay_player map	2884	cf::object
		2885	contr pay_amount pay_player map x y force_find force_add
		2886	insert remove name archname title slaying race decrease_ob_nr
		2887
2015	cf::object::player player	2888	cf::object::player
2016	cf::player peaceful	2889	player
2017	cf::map trigger	2890
		2891	cf::player
		2892	peaceful
		2893
		2894	cf::map
		2895	trigger
2018		2896
2019	=cut	2897	=cut
2020		2898
2021	for (	2899	for (
2022	["cf::object" => qw(contr pay_amount pay_player map)],	2900	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2901	insert remove inv name archname title slaying race
		2902	decrease_ob_nr)],
2023	["cf::object::player" => qw(player)],	2903	["cf::object::player" => qw(player)],
2024	["cf::player" => qw(peaceful)],	2904	["cf::player" => qw(peaceful)],
2025	["cf::map" => qw(trigger)],	2905	["cf::map" => qw(trigger)],
2026	) {	2906	) {
2027	no strict 'refs';	2907	no strict 'refs';
…		…
2098	=back	2978	=back
2099		2979
2100	=cut	2980	=cut
2101		2981
2102	#############################################################################	2982	#############################################################################
		2983	# the server's init and main functions
2103		2984
2104	=head2 EXTENSION DATABASE SUPPORT	2985	sub load_facedata($) {
		2986	my ($path) = @_;
2105		2987
2106	Crossfire maintains a very simple database for extension use. It can	2988	# HACK to clear player env face cache, we need some signal framework
2107	currently store anything that can be serialised using Storable, which	2989	# for this (global event?)
2108	excludes objects.	2990	%ext::player_env::MUSIC_FACE_CACHE = ();
2109		2991
2110	The parameter C<$family> should best start with the name of the extension	2992	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2111	using it, it should be unique.
2112		2993
2113	=over 4	2994	warn "loading facedata from $path\n";
2114		2995
2115	=item $hashref = cf::db_get $family	2996	my $facedata;
		2997	0 < aio_load $path, $facedata
		2998	or die "$path: $!";
2116		2999
2117	Return a hashref for use by the extension C<$family>, which can be	3000	$facedata = Coro::Storable::thaw $facedata;
2118	modified. After modifications, you have to call C<cf::db_dirty> or
2119	C<cf::db_sync>.
2120		3001
2121	=item $value = cf::db_get $family => $key	3002	$facedata->{version} == 2
		3003	or cf::cleanup "$path: version mismatch, cannot proceed.";
2122		3004
2123	Returns a single value from the database	3005	# patch in the exptable
2124		3006	$facedata->{resource}{"res/exp_table"} = {
2125	=item cf::db_put $family => $hashref	3007	type => FT_RSRC,
2126		3008	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2127	Stores the given family hashref into the database. Updates are delayed, if
2128	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_put $family => $key => $value
2131
2132	Stores the given C<$value> in the family hash. Updates are delayed, if you
2133	want the data to be synced to disk immediately, use C<cf::db_sync>.
2134
2135	=item cf::db_dirty
2136
2137	Marks the database as dirty, to be updated at a later time.
2138
2139	=item cf::db_sync
2140
2141	Immediately write the database to disk I<if it is dirty>.
2142
2143	=cut
2144
2145	our $DB;
2146
2147	{
2148	my $path = cf::localdir . "/database.pst";
2149
2150	sub db_load() {
2151	$DB = stat $path ? Storable::retrieve $path : { };
2152	}
2153
2154	my $pid;
2155
2156	sub db_save() {
2157	waitpid $pid, 0 if $pid;
2158	if (0 == ($pid = fork)) {
2159	$DB->{_meta}{version} = 1;
2160	Storable::nstore $DB, "$path~";
2161	rename "$path~", $path;
2162	cf::_exit 0 if defined $pid;
2163	}
2164	}
2165
2166	my $dirty;
2167
2168	sub db_sync() {
2169	db_save if $dirty;
2170	undef $dirty;
2171	}
2172
2173	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2174	db_sync;
2175	});	3009	};
		3010	cf::cede_to_tick;
2176		3011
2177	sub db_dirty() {
2178	$dirty = 1;
2179	$idle->start;
2180	}	3012	{
		3013	my $faces = $facedata->{faceinfo};
2181		3014
2182	sub db_get($;$) {	3015	while (my ($face, $info) = each %$faces) {
2183	@_ >= 2	3016	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2184	? $DB->{$_[0]}{$_[1]}	3017	cf::face::set_visibility $idx, $info->{visibility};
2185	: ($DB->{$_[0]} ||= { })	3018	cf::face::set_magicmap $idx, $info->{magicmap};
2186	}	3019	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3020	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2187		3021
2188	sub db_put($$;$) {	3022	cf::cede_to_tick;
2189	if (@_ >= 3) {
2190	$DB->{$_[0]}{$_[1]} = $_[2];
2191	} else {
2192	$DB->{$_[0]} = $_[1];
2193	}
2194	db_dirty;
2195	}
2196
2197	cf::global->attach (
2198	prio => 10000,
2199	on_cleanup => sub {
2200	db_sync;
2201	},	3023	}
2202	);
2203	}
2204		3024
2205	#############################################################################	3025	while (my ($face, $info) = each %$faces) {
2206	# the server's main()	3026	next unless $info->{smooth};
		3027	my $idx = cf::face::find $face
		3028	or next;
		3029	if (my $smooth = cf::face::find $info->{smooth}) {
		3030	cf::face::set_smooth $idx, $smooth;
		3031	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3032	} else {
		3033	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3034	}
2207		3035
2208	sub cfg_load {	3036	cf::cede_to_tick;
		3037	}
		3038	}
		3039
		3040	{
		3041	my $anims = $facedata->{animinfo};
		3042
		3043	while (my ($anim, $info) = each %$anims) {
		3044	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3045	cf::cede_to_tick;
		3046	}
		3047
		3048	cf::anim::invalidate_all; # d'oh
		3049	}
		3050
		3051	{
		3052	# TODO: for gcfclient pleasure, we should give resources
		3053	# that gcfclient doesn't grok a >10000 face index.
		3054	my $res = $facedata->{resource};
		3055
		3056	my $soundconf = delete $res->{"res/sound.conf"};
		3057
		3058	while (my ($name, $info) = each %$res) {
		3059	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3060	my $data;
		3061
		3062	if ($info->{type} & 1) {
		3063	# prepend meta info
		3064
		3065	my $meta = $enc->encode ({
		3066	name => $name,
		3067	%{ $info->{meta} || {} },
		3068	});
		3069
		3070	$data = pack "(w/a*)*", $meta, $info->{data};
		3071	} else {
		3072	$data = $info->{data};
		3073	}
		3074
		3075	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3076	cf::face::set_type $idx, $info->{type};
		3077
		3078	cf::cede_to_tick;
		3079	}
		3080
		3081	if ($soundconf) {
		3082	$soundconf = $enc->decode (delete $soundconf->{data});
		3083
		3084	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3085	my $sound = $soundconf->{compat}[$_]
		3086	or next;
		3087
		3088	my $face = cf::face::find "sound/$sound->[1]";
		3089	cf::sound::set $sound->[0] => $face;
		3090	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3091	}
		3092
		3093	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3094	my $face = cf::face::find "sound/$v";
		3095	cf::sound::set $k => $face;
		3096	}
		3097	}
		3098	}
		3099
		3100	1
		3101	}
		3102
		3103	register_exticmd fx_want => sub {
		3104	my ($ns, $want) = @_;
		3105
		3106	while (my ($k, $v) = each %$want) {
		3107	$ns->fx_want ($k, $v);
		3108	}
		3109	};
		3110
		3111	sub reload_regions {
		3112	# HACK to clear player env face cache, we need some signal framework
		3113	# for this (global event?)
		3114	%ext::player_env::MUSIC_FACE_CACHE = ();
		3115
		3116	load_resource_file "$MAPDIR/regions"
		3117	or die "unable to load regions file\n";
		3118
		3119	for (cf::region::list) {
		3120	$_->{match} = qr/$_->{match}/
		3121	if exists $_->{match};
		3122	}
		3123	}
		3124
		3125	sub reload_facedata {
		3126	load_facedata "$DATADIR/facedata"
		3127	or die "unable to load facedata\n";
		3128	}
		3129
		3130	sub reload_archetypes {
		3131	load_resource_file "$DATADIR/archetypes"
		3132	or die "unable to load archetypes\n";
		3133	#d# NEED to laod twice to resolve forward references
		3134	# this really needs to be done in an extra post-pass
		3135	# (which needs to be synchronous, so solve it differently)
		3136	load_resource_file "$DATADIR/archetypes"
		3137	or die "unable to load archetypes\n";
		3138	}
		3139
		3140	sub reload_treasures {
		3141	load_resource_file "$DATADIR/treasures"
		3142	or die "unable to load treasurelists\n";
		3143	}
		3144
		3145	sub reload_resources {
		3146	warn "reloading resource files...\n";
		3147
		3148	reload_regions;
		3149	reload_facedata;
		3150	#reload_archetypes;#d#
		3151	reload_archetypes;
		3152	reload_treasures;
		3153
		3154	warn "finished reloading resource files\n";
		3155	}
		3156
		3157	sub init {
		3158	reload_resources;
		3159	}
		3160
		3161	sub reload_config {
2209	open my $fh, "<:utf8", cf::confdir . "/config"	3162	open my $fh, "<:utf8", "$CONFDIR/config"
2210	or return;	3163	or return;
2211		3164
2212	local $/;	3165	local $/;
2213	*CFG = YAML::Syck::Load <$fh>;	3166	*CFG = YAML::Syck::Load <$fh>;
2214		3167
…		…
2228		3181
2229	sub main {	3182	sub main {
2230	# we must not ever block the main coroutine	3183	# we must not ever block the main coroutine
2231	local $Coro::idle = sub {	3184	local $Coro::idle = sub {
2232	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3185	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3186	(async {
2233	async { Event::one_event };	3187	Event::one_event;
		3188	})->prio (Coro::PRIO_MAX);
2234	};	3189	};
2235		3190
2236	cfg_load;	3191	reload_config;
2237	db_load;	3192	db_init;
2238	load_extensions;	3193	load_extensions;
		3194
		3195	$TICK_WATCHER->start;
2239	Event::loop;	3196	Event::loop;
2240	}	3197	}
2241		3198
2242	#############################################################################	3199	#############################################################################
2243	# initialisation and cleanup	3200	# initialisation and cleanup
2244		3201
2245	# install some emergency cleanup handlers	3202	# install some emergency cleanup handlers
2246	BEGIN {	3203	BEGIN {
2247	for my $signal (qw(INT HUP TERM)) {	3204	for my $signal (qw(INT HUP TERM)) {
2248	Event->signal (	3205	Event->signal (
		3206	reentrant => 0,
2249	data => WF_AUTOCANCEL,	3207	data => WF_AUTOCANCEL,
2250	signal => $signal,	3208	signal => $signal,
		3209	prio => 0,
2251	cb => sub {	3210	cb => sub {
2252	cf::cleanup "SIG$signal";	3211	cf::cleanup "SIG$signal";
2253	},	3212	},
2254	);	3213	);
2255	}	3214	}
		3215	}
		3216
		3217	sub write_runtime {
		3218	my $runtime = "$LOCALDIR/runtime";
		3219
		3220	# first touch the runtime file to show we are still running:
		3221	# the fsync below can take a very very long time.
		3222
		3223	IO::AIO::aio_utime $runtime, undef, undef;
		3224
		3225	my $guard = cf::lock_acquire "write_runtime";
		3226
		3227	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3228	or return;
		3229
		3230	my $value = $cf::RUNTIME + 90 + 10;
		3231	# 10 is the runtime save interval, for a monotonic clock
		3232	# 60 allows for the watchdog to kill the server.
		3233
		3234	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3235	and return;
		3236
		3237	# always fsync - this file is important
		3238	aio_fsync $fh
		3239	and return;
		3240
		3241	# touch it again to show we are up-to-date
		3242	aio_utime $fh, undef, undef;
		3243
		3244	close $fh
		3245	or return;
		3246
		3247	aio_rename "$runtime~", $runtime
		3248	and return;
		3249
		3250	warn "runtime file written.\n";
		3251
		3252	1
2256	}	3253	}
2257		3254
2258	sub emergency_save() {	3255	sub emergency_save() {
2259	my $freeze_guard = cf::freeze_mainloop;	3256	my $freeze_guard = cf::freeze_mainloop;
2260		3257
…		…
2277	my $map = $cf::MAP{$path} or next;	3274	my $map = $cf::MAP{$path} or next;
2278	$map->valid or next;	3275	$map->valid or next;
2279	$map->save;	3276	$map->save;
2280	}	3277	}
2281	warn "end emergency map save\n";	3278	warn "end emergency map save\n";
		3279
		3280	warn "begin emergency database checkpoint\n";
		3281	BDB::db_env_txn_checkpoint $DB_ENV;
		3282	warn "end emergency database checkpoint\n";
2282	};	3283	};
2283		3284
2284	warn "leave emergency perl save\n";	3285	warn "leave emergency perl save\n";
2285	}	3286	}
2286		3287
		3288	sub post_cleanup {
		3289	my ($make_core) = @_;
		3290
		3291	warn Carp::longmess "post_cleanup backtrace"
		3292	if $make_core;
		3293	}
		3294
2287	sub reload() {	3295	sub do_reload_perl() {
2288	# can/must only be called in main	3296	# can/must only be called in main
2289	if ($Coro::current != $Coro::main) {	3297	if ($Coro::current != $Coro::main) {
2290	warn "can only reload from main coroutine\n";	3298	warn "can only reload from main coroutine";
2291	return;	3299	return;
2292	}	3300	}
2293		3301
2294	warn "reloading...";	3302	warn "reloading...";
2295		3303
2296	warn "freezing server";	3304	warn "entering sync_job";
2297	my $guard = freeze_mainloop;	3305
		3306	cf::sync_job {
		3307	cf::write_runtime; # external watchdog should not bark
2298	cf::emergency_save;	3308	cf::emergency_save;
		3309	cf::write_runtime; # external watchdog should not bark
2299		3310
2300	warn "sync database to disk";	3311	warn "syncing database to disk";
2301	cf::db_sync;	3312	BDB::db_env_txn_checkpoint $DB_ENV;
2302	IO::AIO::flush;
2303		3313
2304	eval {
2305	# if anything goes wrong in here, we should simply crash as we already saved	3314	# if anything goes wrong in here, we should simply crash as we already saved
2306		3315
2307	warn "cancel all watchers";	3316	warn "cancelling all WF_AUTOCANCEL watchers";
2308	for (Event::all_watchers) {	3317	for (Event::all_watchers) {
2309	$_->cancel if $_->data & WF_AUTOCANCEL;	3318	$_->cancel if $_->data & WF_AUTOCANCEL;
2310	}	3319	}
2311		3320
		3321	warn "flushing outstanding aio requests";
		3322	for (;;) {
		3323	BDB::flush;
		3324	IO::AIO::flush;
		3325	Coro::cede;
		3326	last unless IO::AIO::nreqs || BDB::nreqs;
		3327	warn "iterate...";
		3328	}
		3329
		3330	++$RELOAD;
		3331
2312	warn "cancel all extension coros";	3332	warn "cancelling all extension coros";
2313	$_->cancel for values %EXT_CORO;	3333	$_->cancel for values %EXT_CORO;
2314	%EXT_CORO = ();	3334	%EXT_CORO = ();
2315		3335
2316	warn "remove commands";	3336	warn "removing commands";
2317	%COMMAND = ();	3337	%COMMAND = ();
2318		3338
2319	warn "remove ext commands";	3339	warn "removing ext/exti commands";
2320	%EXTCMD = ();	3340	%EXTCMD = ();
		3341	%EXTICMD = ();
2321		3342
2322	warn "unload/nuke all extensions";	3343	warn "unloading/nuking all extensions";
2323	for my $pkg (@EXTS) {	3344	for my $pkg (@EXTS) {
2324	warn "... unloading $pkg";	3345	warn "... unloading $pkg";
2325		3346
2326	if (my $cb = $pkg->can ("unload")) {	3347	if (my $cb = $pkg->can ("unload")) {
2327	eval {	3348	eval {
…		…
2332		3353
2333	warn "... nuking $pkg";	3354	warn "... nuking $pkg";
2334	Symbol::delete_package $pkg;	3355	Symbol::delete_package $pkg;
2335	}	3356	}
2336		3357
2337	warn "unload all perl modules loaded from $LIBDIR";	3358	warn "unloading all perl modules loaded from $LIBDIR";
2338	while (my ($k, $v) = each %INC) {	3359	while (my ($k, $v) = each %INC) {
2339	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2340		3361
2341	warn "removing <$k>";	3362	warn "... unloading $k";
2342	delete $INC{$k};	3363	delete $INC{$k};
2343		3364
2344	$k =~ s/\.pm$//;	3365	$k =~ s/\.pm$//;
2345	$k =~ s/\//::/g;	3366	$k =~ s/\//::/g;
2346		3367
…		…
2349	}	3370	}
2350		3371
2351	Symbol::delete_package $k;	3372	Symbol::delete_package $k;
2352	}	3373	}
2353		3374
2354	warn "get rid of safe::, as good as possible";	3375	warn "getting rid of safe::, as good as possible";
2355	Symbol::delete_package "safe::$_"	3376	Symbol::delete_package "safe::$_"
2356	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2357		3378
2358	warn "unload cf.pm \"a bit\"";	3379	warn "unloading cf.pm \"a bit\"";
2359	delete $INC{"cf.pm"};	3380	delete $INC{"cf.pm"};
		3381	delete $INC{"cf/pod.pm"};
2360		3382
2361	# don't, removes xs symbols, too,	3383	# don't, removes xs symbols, too,
2362	# and global variables created in xs	3384	# and global variables created in xs
2363	#Symbol::delete_package __PACKAGE__;	3385	#Symbol::delete_package __PACKAGE__;
2364		3386
		3387	warn "unload completed, starting to reload now";
		3388
2365	warn "reloading cf.pm";	3389	warn "reloading cf.pm";
2366	require cf;	3390	require cf;
2367	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2368		3392
2369	warn "load config and database again";	3393	warn "loading config and database again";
2370	cf::cfg_load;	3394	cf::reload_config;
2371	cf::db_load;
2372		3395
2373	warn "load extensions";	3396	warn "loading extensions";
2374	cf::load_extensions;	3397	cf::load_extensions;
2375		3398
2376	warn "reattach attachments to objects/players";	3399	warn "reattaching attachments to objects/players";
2377	_global_reattach;	3400	_global_reattach; # objects, sockets
2378	warn "reattach attachments to maps";	3401	warn "reattaching attachments to maps";
2379	reattach $_ for values %MAP;	3402	reattach $_ for values %MAP;
2380	};	3403	warn "reattaching attachments to players";
		3404	reattach $_ for values %PLAYER;
2381		3405
2382	if ($@) {	3406	warn "leaving sync_job";
		3407
		3408	1
		3409	} or do {
2383	warn $@;	3410	warn $@;
2384	warn "error while reloading, exiting.";	3411	warn "error while reloading, exiting.";
2385	exit 1;	3412	exit 1;
2386	}	3413	};
2387		3414
2388	warn "reloaded";	3415	warn "reloaded";
2389	};	3416	};
2390		3417
		3418	our $RELOAD_WATCHER; # used only during reload
		3419
		3420	sub reload_perl() {
		3421	# doing reload synchronously and two reloads happen back-to-back,
		3422	# coro crashes during coro_state_free->destroy here.
		3423
		3424	$RELOAD_WATCHER ||= Event->timer (
		3425	reentrant => 0,
		3426	after => 0,
		3427	data => WF_AUTOCANCEL,
		3428	cb => sub {
		3429	do_reload_perl;
		3430	undef $RELOAD_WATCHER;
		3431	},
		3432	);
		3433	}
		3434
2391	register_command "reload" => sub {	3435	register_command "reload" => sub {
2392	my ($who, $arg) = @_;	3436	my ($who, $arg) = @_;
2393		3437
2394	if ($who->flag (FLAG_WIZ)) {	3438	if ($who->flag (FLAG_WIZ)) {
2395	$who->message ("start of reload.");
2396	reload;
2397	$who->message ("end of reload.");	3439	$who->message ("reloading server.");
		3440	async { reload_perl };
2398	}	3441	}
2399	};	3442	};
2400		3443
2401	unshift @INC, $LIBDIR;	3444	unshift @INC, $LIBDIR;
		3445
		3446	my $bug_warning = 0;
		3447
		3448	our @WAIT_FOR_TICK;
		3449	our @WAIT_FOR_TICK_BEGIN;
		3450
		3451	sub wait_for_tick {
		3452	return unless $TICK_WATCHER->is_active;
		3453	return if $Coro::current == $Coro::main;
		3454
		3455	my $signal = new Coro::Signal;
		3456	push @WAIT_FOR_TICK, $signal;
		3457	$signal->wait;
		3458	}
		3459
		3460	sub wait_for_tick_begin {
		3461	return unless $TICK_WATCHER->is_active;
		3462	return if $Coro::current == $Coro::main;
		3463
		3464	my $signal = new Coro::Signal;
		3465	push @WAIT_FOR_TICK_BEGIN, $signal;
		3466	$signal->wait;
		3467	}
2402		3468
2403	$TICK_WATCHER = Event->timer (	3469	$TICK_WATCHER = Event->timer (
2404	reentrant => 0,	3470	reentrant => 0,
		3471	parked => 1,
2405	prio => 0,	3472	prio => 0,
2406	at => $NEXT_TICK || $TICK,	3473	at => $NEXT_TICK || $TICK,
2407	data => WF_AUTOCANCEL,	3474	data => WF_AUTOCANCEL,
2408	cb => sub {	3475	cb => sub {
		3476	if ($Coro::current != $Coro::main) {
		3477	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3478	unless ++$bug_warning > 10;
		3479	return;
		3480	}
		3481
2409	$NOW = Event::time;	3482	$NOW = $tick_start = Event::time;
2410		3483
2411	cf::server_tick; # one server iteration	3484	cf::server_tick; # one server iteration
		3485
2412	$RUNTIME += $TICK;	3486	$RUNTIME += $TICK;
2413	$NEXT_TICK += $TICK;	3487	$NEXT_TICK += $TICK;
2414		3488
2415	$WAIT_FOR_TICK->broadcast;	3489	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2416	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3490	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3491	Coro::async_pool {
		3492	write_runtime
		3493	or warn "ERROR: unable to write runtime file: $!";
		3494	};
		3495	}
		3496
		3497	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3498	$sig->send;
		3499	}
		3500	while (my $sig = shift @WAIT_FOR_TICK) {
		3501	$sig->send;
		3502	}
		3503
		3504	$NOW = Event::time;
2417		3505
2418	# if we are delayed by four ticks or more, skip them all	3506	# if we are delayed by four ticks or more, skip them all
2419	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3507	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2420		3508
2421	$TICK_WATCHER->at ($NEXT_TICK);	3509	$TICK_WATCHER->at ($NEXT_TICK);
2422	$TICK_WATCHER->start;	3510	$TICK_WATCHER->start;
		3511
		3512	$LOAD = ($NOW - $tick_start) / $TICK;
		3513	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3514
		3515	_post_tick;
2423	},	3516	},
2424	);	3517	);
2425		3518
		3519	{
		3520	BDB::min_parallel 8;
		3521	BDB::max_poll_time $TICK * 0.1;
		3522	$BDB_POLL_WATCHER = Event->io (
		3523	reentrant => 0,
		3524	fd => BDB::poll_fileno,
		3525	poll => 'r',
		3526	prio => 0,
		3527	data => WF_AUTOCANCEL,
		3528	cb => \&BDB::poll_cb,
		3529	);
		3530
		3531	BDB::set_sync_prepare {
		3532	my $status;
		3533	my $current = $Coro::current;
		3534	(
		3535	sub {
		3536	$status = $!;
		3537	$current->ready; undef $current;
		3538	},
		3539	sub {
		3540	Coro::schedule while defined $current;
		3541	$! = $status;
		3542	},
		3543	)
		3544	};
		3545
		3546	unless ($DB_ENV) {
		3547	$DB_ENV = BDB::db_env_create;
		3548	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3549	| BDB::LOG_AUTOREMOVE, 1);
		3550	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3551	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3552
		3553	cf::sync_job {
		3554	eval {
		3555	BDB::db_env_open
		3556	$DB_ENV,
		3557	$BDBDIR,
		3558	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3559	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3560	0666;
		3561
		3562	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3563	};
		3564
		3565	cf::cleanup "db_env_open(db): $@" if $@;
		3566	};
		3567	}
		3568
		3569	$BDB_DEADLOCK_WATCHER = Event->timer (
		3570	after => 3,
		3571	interval => 1,
		3572	hard => 1,
		3573	prio => 0,
		3574	data => WF_AUTOCANCEL,
		3575	cb => sub {
		3576	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3577	},
		3578	);
		3579	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3580	after => 11,
		3581	interval => 60,
		3582	hard => 1,
		3583	prio => 0,
		3584	data => WF_AUTOCANCEL,
		3585	cb => sub {
		3586	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3587	},
		3588	);
		3589	$BDB_TRICKLE_WATCHER = Event->timer (
		3590	after => 5,
		3591	interval => 10,
		3592	hard => 1,
		3593	prio => 0,
		3594	data => WF_AUTOCANCEL,
		3595	cb => sub {
		3596	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3597	},
		3598	);
		3599	}
		3600
		3601	{
		3602	IO::AIO::min_parallel 8;
		3603
		3604	undef $Coro::AIO::WATCHER;
2426	IO::AIO::max_poll_time $TICK * 0.2;	3605	IO::AIO::max_poll_time $TICK * 0.1;
2427
2428	$AIO_POLL_WATCHER = Event->io (	3606	$AIO_POLL_WATCHER = Event->io (
2429	fd => IO::AIO::poll_fileno,	3607	reentrant => 0,
2430	poll => 'r',
2431	prio => 5,
2432	data => WF_AUTOCANCEL,
2433	cb => \&IO::AIO::poll_cb,
2434	);
2435
2436	$WRITE_RUNTIME_WATCHER = Event->timer (
2437	data => WF_AUTOCANCEL,	3608	data => WF_AUTOCANCEL,
2438	after => 0,	3609	fd => IO::AIO::poll_fileno,
2439	interval => 10,	3610	poll => 'r',
2440	cb => sub {	3611	prio => 6,
2441	(Coro::unblock_sub {	3612	cb => \&IO::AIO::poll_cb,
2442	write_runtime	3613	);
2443	or warn "ERROR: unable to write runtime file: $!";	3614	}
		3615
		3616	my $_log_backtrace;
		3617
		3618	sub _log_backtrace {
		3619	my ($msg, @addr) = @_;
		3620
		3621	$msg =~ s/\n//;
		3622
		3623	# limit the # of concurrent backtraces
		3624	if ($_log_backtrace < 2) {
		3625	++$_log_backtrace;
		3626	async {
		3627	my @bt = fork_call {
		3628	@addr = map { sprintf "%x", $_ } @addr;
		3629	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3630	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3631	or die "addr2line: $!";
		3632
		3633	my @funcs;
		3634	my @res = <$fh>;
		3635	chomp for @res;
		3636	while (@res) {
		3637	my ($func, $line) = splice @res, 0, 2, ();
		3638	push @funcs, "[$func] $line";
		3639	}
		3640
		3641	@funcs
		3642	};
		3643
		3644	LOG llevInfo, "[ABT] $msg\n";
		3645	LOG llevInfo, "[ABT] $_\n" for @bt;
		3646	--$_log_backtrace;
2444	})->();	3647	};
		3648	} else {
		3649	LOG llevInfo, "[ABT] $msg\n";
		3650	LOG llevInfo, "[ABT] [suppressed]\n";
2445	},	3651	}
2446	);	3652	}
		3653
		3654	# load additional modules
		3655	use cf::pod;
2447		3656
2448	END { cf::emergency_save }	3657	END { cf::emergency_save }
2449		3658
2450	1	3659	1
2451		3660

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