[ViewVC] Diff of: cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.169 by root, Sun Jan 14 01:09:46 2007 UTC vs.
Revision 1.373 by root, Sat Sep 15 15:58:06 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
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	777	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	778	our @CB_MAP = ();
505		779
506	my %attachment;	780	my %attachment;
507		781
		782	sub cf::attachable::thawer_merge {
		783	# simply override everything except _meta
		784	local $_[0]{_meta};
		785	%{$_[0]} = %{$_[1]};
		786	}
		787
508	sub _attach_cb($$$$) {	788	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	789	my ($registry, $event, $prio, $cb) = @_;
510		790
511	use sort 'stable';	791	use sort 'stable';
512		792
…		…
546	$registry = $CB_TYPE[$object_type] \|\|= [];	826	$registry = $CB_TYPE[$object_type] \|\|= [];
547		827
548	} elsif ($type eq "subtype") {	828	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	829	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	830	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] \|\|= [];	831	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] \|\|= [];
552		832
553	} elsif ($type eq "package") {	833	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	834	my $pkg = shift @arg;
555		835
556	while (my ($name, $id) = each %cb_id) {	836	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	865	_attach $registry, $klass, @attach;
586	}	866	}
587		867
588	$obj->{$name} = \%arg;	868	$obj->{$name} = \%arg;
589	} else {	869	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	870	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	871	}
592		872
593	$obj->{_attachment}{$name} = undef;	873	$obj->{_attachment}{$name} = undef;
594	}	874	}
595		875
…		…
597	if (ref $_[0]) {	877	if (ref $_[0]) {
598	_object_attach @_;	878	_object_attach @_;
599	} else {	879	} else {
600	_attach shift->_attach_registry, @_;	880	_attach shift->_attach_registry, @_;
601	}	881	}
		882	_recalc_want;
602	};	883	};
603		884
604	# all those should be optimised	885	# all those should be optimised
605	sub cf::attachable::detach {	886	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	887	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	890	delete $obj->{_attachment}{$name};
610	reattach ($obj);	891	reattach ($obj);
611	} else {	892	} else {
612	Carp::croak "cannot, currently, detach class attachments";	893	Carp::croak "cannot, currently, detach class attachments";
613	}	894	}
		895	_recalc_want;
614	};	896	};
615		897
616	sub cf::attachable::attached {	898	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	899	my ($obj, $name) = @_;
618		900
…		…
633	";	915	";
634	die if $@;	916	die if $@;
635	}	917	}
636		918
637	our $override;	919	our $override;
638	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?
639		921
640	sub override {	922	sub override {
641	$override = 1;	923	$override = 1;
642	@invoke_results = ();	924	@INVOKE_RESULTS = (@_);
643	}	925	}
644		926
645	sub do_invoke {	927	sub do_invoke {
646	my $event = shift;	928	my $event = shift;
647	my $callbacks = shift;	929	my $callbacks = shift;
648		930
649	@invoke_results = ();	931	@INVOKE_RESULTS = ();
650		932
651	local $override;	933	local $override;
652		934
653	for (@$callbacks) {	935	for (@$callbacks) {
654	eval { &{$_->[1]} };	936	eval { &{$_->[1]} };
…		…
671		953
672	Generate an object-specific event with the given arguments.	954	Generate an object-specific event with the given arguments.
673		955
674	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
675	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
676	results (if you must, access C<@cf::invoke_results> directly).	958	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		959
678	=back	960	=back
679		961
680	=cut	962	=cut
681		963
682	#############################################################################	964	#############################################################################
683	# 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	}
684		977
685	sub reattach {	978	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	979	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	980	my ($obj) = @_;
688		981
…		…
735	sub object_freezer_save {	1028	sub object_freezer_save {
736	my ($filename, $rdata, $objs) = @_;	1029	my ($filename, $rdata, $objs) = @_;
737		1030
738	sync_job {	1031	sync_job {
739	if (length $$rdata) {	1032	if (length $$rdata) {
		1033	utf8::decode (my $decname = $filename);
740	warn sprintf "saving %s (%d,%d)\n",	1034	warn sprintf "saving %s (%d,%d)\n",
741	$filename, length $$rdata, scalar @$objs;	1035	$decname, length $$rdata, scalar @$objs;
742		1036
743	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {	1037	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {
744	chmod SAVE_MODE, $fh;	1038	chmod SAVE_MODE, $fh;
745	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1039	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
746	aio_fsync $fh;	1040	aio_fsync $fh if $cf::USE_FSYNC;
747	close $fh;	1041	close $fh;
748		1042
749	if (@$objs) {	1043	if (@$objs) {
750	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {	1044	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {
751	chmod SAVE_MODE, $fh;	1045	chmod SAVE_MODE, $fh;
752	my $data = Storable::nfreeze { version => 1, objs => $objs };	1046	my $data = Storable::nfreeze { version => 1, objs => $objs };
753	aio_write $fh, 0, (length $data), $data, 0;	1047	aio_write $fh, 0, (length $data), $data, 0;
754	aio_fsync $fh;	1048	aio_fsync $fh if $cf::USE_FSYNC;
755	close $fh;	1049	close $fh;
756	aio_rename "$filename.pst~", "$filename.pst";	1050	aio_rename "$filename.pst~", "$filename.pst";
757	}	1051	}
758	} else {	1052	} else {
759	aio_unlink "$filename.pst";	1053	aio_unlink "$filename.pst";
…		…
765	}	1059	}
766	} else {	1060	} else {
767	aio_unlink $filename;	1061	aio_unlink $filename;
768	aio_unlink "$filename.pst";	1062	aio_unlink "$filename.pst";
769	}	1063	}
770	}	1064	};
771	}	1065	}
772		1066
773	sub object_freezer_as_string {	1067	sub object_freezer_as_string {
774	my ($rdata, $objs) = @_;	1068	my ($rdata, $objs) = @_;
775		1069
…		…
787	or return;	1081	or return;
788		1082
789	unless (aio_stat "$filename.pst") {	1083	unless (aio_stat "$filename.pst") {
790	(aio_load "$filename.pst", $av) >= 0	1084	(aio_load "$filename.pst", $av) >= 0
791	or return;	1085	or return;
		1086
792	$av = eval { (Storable::thaw $av)->{objs} };	1087	$av = eval { (Storable::thaw $av)->{objs} };
793	}	1088	}
794		1089
		1090	utf8::decode (my $decname = $filename);
795	warn sprintf "loading %s (%d)\n",	1091	warn sprintf "loading %s (%d,%d)\n",
796	$filename, length $data, scalar @{$av \|\| []};#d#	1092	$decname, length $data, scalar @{$av \|\| []};
		1093
797	return ($data, $av);	1094	($data, $av)
798	}	1095	}
		1096
		1097	=head2 COMMAND CALLBACKS
		1098
		1099	=over 4
		1100
		1101	=cut
799		1102
800	#############################################################################	1103	#############################################################################
801	# command handling &c	1104	# command handling &c
802		1105
803	=item cf::register_command $name => \&callback($ob,$args);	1106	=item cf::register_command $name => \&callback($ob,$args);
…		…
816	push @{ $COMMAND{$name} }, [$caller, $cb];	1119	push @{ $COMMAND{$name} }, [$caller, $cb];
817	}	1120	}
818		1121
819	=item cf::register_extcmd $name => \&callback($pl,$packet);	1122	=item cf::register_extcmd $name => \&callback($pl,$packet);
820		1123
821	Register a callbackf ro execution when the client sends an extcmd packet.	1124	Register a callback for execution when the client sends an (synchronous)
		1125	extcmd packet. Ext commands will be processed in the order they are
		1126	received by the server, like other user commands. The first argument is
		1127	the logged-in player. Ext commands can only be processed after a player
		1128	has logged in successfully.
822		1129
823	If the callback returns something, it is sent back as if reply was being	1130	If the callback returns something, it is sent back as if reply was being
824	called.	1131	called.
825		1132
		1133	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1134
		1135	Register a callback for execution when the client sends an (asynchronous)
		1136	exticmd packet. Exti commands are processed by the server as soon as they
		1137	are received, i.e. out of order w.r.t. other commands. The first argument
		1138	is a client socket. Exti commands can be received anytime, even before
		1139	log-in.
		1140
		1141	If the callback returns something, it is sent back as if reply was being
		1142	called.
		1143
826	=cut	1144	=cut
827		1145
828	sub register_extcmd {	1146	sub register_extcmd {
829	my ($name, $cb) = @_;	1147	my ($name, $cb) = @_;
830		1148
831	$EXTCMD{$name} = $cb;	1149	$EXTCMD{$name} = $cb;
		1150	}
		1151
		1152	sub register_exticmd {
		1153	my ($name, $cb) = @_;
		1154
		1155	$EXTICMD{$name} = $cb;
832	}	1156	}
833		1157
834	cf::player->attach (	1158	cf::player->attach (
835	on_command => sub {	1159	on_command => sub {
836	my ($pl, $name, $params) = @_;	1160	my ($pl, $name, $params) = @_;
…		…
845	cf::override;	1169	cf::override;
846	},	1170	},
847	on_extcmd => sub {	1171	on_extcmd => sub {
848	my ($pl, $buf) = @_;	1172	my ($pl, $buf) = @_;
849		1173
850	my $msg = eval { from_json $buf };	1174	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
851		1175
852	if (ref $msg) {	1176	if (ref $msg) {
		1177	my ($type, $reply, @payload) =
		1178	"ARRAY" eq ref $msg
		1179	? @$msg
		1180	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1181
		1182	my @reply;
		1183
853	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1184	if (my $cb = $EXTCMD{$type}) {
854	if (my %reply = $cb->($pl, $msg)) {	1185	@reply = $cb->($pl, @payload);
855	$pl->ext_reply ($msg->{msgid}, %reply);
856	}
857	}	1186	}
		1187
		1188	$pl->ext_reply ($reply, @reply)
		1189	if $reply;
		1190
858	} else {	1191	} else {
859	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1192	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
860	}	1193	}
861		1194
862	cf::override;	1195	cf::override;
863	},	1196	},
864	);	1197	);
865		1198
866	sub load_extension {
867	my ($path) = @_;
868
869	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
870	my $base = $1;
871	my $pkg = $1;
872	$pkg =~ s/[^[:word:]]/_/g;
873	$pkg = "ext::$pkg";
874
875	warn "... loading '$path' into '$pkg'\n";
876
877	open my $fh, "<:utf8", $path
878	or die "$path: $!";
879
880	my $source =
881	"package $pkg; use strict; use utf8;\n"
882	. "#line 1 \"$path\"\n{\n"
883	. (do { local $/; <$fh> })
884	. "\n};\n1";
885
886	unless (eval $source) {
887	my $msg = $@ ? "$path: $@\n"
888	: "extension disabled.\n";
889	if ($source =~ /^#!.perl.#.*MANDATORY/m) { # ugly match
890	warn $@;
891	warn "mandatory extension failed to load, exiting.\n";
892	exit 1;
893	}
894	die $@;
895	}
896
897	push @EXTS, $pkg;
898	}
899
900	sub load_extensions {	1199	sub load_extensions {
		1200	cf::sync_job {
		1201	my %todo;
		1202
901	for my $ext (<$LIBDIR/*.ext>) {	1203	for my $path (<$LIBDIR/*.ext>) {
902	next unless -r $ext;	1204	next unless -r $path;
903	eval {	1205
904	load_extension $ext;	1206	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1207	my $base = $1;
		1208	my $pkg = $1;
		1209	$pkg =~ s/[^[:word:]]/_/g;
		1210	$pkg = "ext::$pkg";
		1211
		1212	open my $fh, "<:utf8", $path
		1213	or die "$path: $!";
		1214
		1215	my $source = do { local $/; <$fh> };
		1216
		1217	my %ext = (
		1218	path => $path,
		1219	base => $base,
		1220	pkg => $pkg,
		1221	);
		1222
		1223	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1224	if $source =~ /\A#!.?perl.?#\s(.)$/m;
		1225
		1226	$ext{source} =
		1227	"package $pkg; use strict; use utf8;\n"
		1228	. "#line 1 \"$path\"\n{\n"
		1229	. $source
		1230	. "\n};\n1";
		1231
		1232	$todo{$base} = \%ext;
		1233	}
		1234
		1235	my %done;
		1236	while (%todo) {
		1237	my $progress;
		1238
		1239	while (my ($k, $v) = each %todo) {
		1240	for (split /,\s*/, $v->{meta}{depends}) {
		1241	goto skip
		1242	unless exists $done{$_};
		1243	}
		1244
		1245	warn "... loading '$k' into '$v->{pkg}'\n";
		1246
		1247	unless (eval $v->{source}) {
		1248	my $msg = $@ ? "$v->{path}: $@\n"
		1249	: "$v->{base}: extension inactive.\n";
		1250
		1251	if (exists $v->{meta}{mandatory}) {
		1252	warn $msg;
		1253	warn "mandatory extension failed to load, exiting.\n";
		1254	exit 1;
		1255	}
		1256
		1257	warn $msg;
		1258	}
		1259
		1260	$done{$k} = delete $todo{$k};
		1261	push @EXTS, $v->{pkg};
		1262	$progress = 1;
905	1	1263	}
906	} or warn "$ext not loaded: $@";	1264
		1265	skip:
		1266	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1267	unless $progress;
		1268	}
907	}	1269	};
908	}	1270	}
909		1271
910	#############################################################################	1272	#############################################################################
911		1273
		1274	=back
		1275
912	=head2 CORE EXTENSIONS	1276	=head2 CORE EXTENSIONS
913		1277
914	Functions and methods that extend core crossfire objects.	1278	Functions and methods that extend core crossfire objects.
915		1279
916	=cut	1280	=cut
…		…
921		1285
922	=head3 cf::player	1286	=head3 cf::player
923		1287
924	=over 4	1288	=over 4
925		1289
		1290	=item cf::player::num_playing
		1291
		1292	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1293
		1294	=cut
		1295
		1296	sub num_playing {
		1297	scalar grep
		1298	$_->ob->map
		1299	&& !$_->hidden
		1300	&& !$_->ob->flag (cf::FLAG_WIZ),
		1301	cf::player::list
		1302	}
		1303
926	=item cf::player::find $login	1304	=item cf::player::find $login
927		1305
928	Returns the given player object, loading it if necessary (might block).	1306	Returns the given player object, loading it if necessary (might block).
929		1307
930	=cut	1308	=cut
931		1309
932	sub playerdir($) {	1310	sub playerdir($) {
933	cf::localdir	1311	"$PLAYERDIR/"
934	. "/"
935	. cf::playerdir
936	. "/"
937	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1312	. (ref $_[0] ? $_[0]->ob->name : $_[0])
938	}	1313	}
939		1314
940	sub path($) {	1315	sub path($) {
941	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1316	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
942		1317
943	(playerdir $login) . "/$login.pl"	1318	(playerdir $login) . "/playerdata"
944	}	1319	}
945		1320
946	sub find_active($) {	1321	sub find_active($) {
947	$cf::PLAYER{$_[0]}	1322	$cf::PLAYER{$_[0]}
948	and $cf::PLAYER{$_[0]}->active	1323	and $cf::PLAYER{$_[0]}->active
…		…
951		1326
952	sub exists($) {	1327	sub exists($) {
953	my ($login) = @_;	1328	my ($login) = @_;
954		1329
955	$cf::PLAYER{$login}	1330	$cf::PLAYER{$login}
956	or cf::sync_job { !aio_stat $login }	1331	or cf::sync_job { !aio_stat path $login }
957	}	1332	}
958		1333
959	sub find($) {	1334	sub find($) {
960	return $cf::PLAYER{$_[0]} \|\| do {	1335	return $cf::PLAYER{$_[0]} \|\| do {
961	my $login = $_[0];	1336	my $login = $_[0];
962		1337
963	my $guard = cf::lock_acquire "user_find:$login";	1338	my $guard = cf::lock_acquire "user_find:$login";
964		1339
965	$cf::PLAYER{$_[0]} \|\| do {	1340	$cf::PLAYER{$_[0]} \|\| do {
966	my $pl = load_pl path $login	1341	# rename old playerfiles to new ones
		1342	#TODO: remove when no longer required
		1343	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1344	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1345	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1346	aio_unlink +(playerdir $login) . "/$login.pl";
		1347
		1348	my $f = new_from_file cf::object::thawer path $login
967	or return;	1349	or return;
		1350
		1351	my $pl = cf::player::load_pl $f
		1352	or return;
		1353	local $cf::PLAYER_LOADING{$login} = $pl;
		1354	$f->resolve_delayed_derefs;
968	$cf::PLAYER{$login} = $pl	1355	$cf::PLAYER{$login} = $pl
969	}	1356	}
970	}	1357	}
971	}	1358	}
972		1359
…		…
982		1369
983	aio_mkdir playerdir $pl, 0770;	1370	aio_mkdir playerdir $pl, 0770;
984	$pl->{last_save} = $cf::RUNTIME;	1371	$pl->{last_save} = $cf::RUNTIME;
985		1372
986	$pl->save_pl ($path);	1373	$pl->save_pl ($path);
987	Coro::cede;	1374	cf::cede_to_tick;
988	}	1375	}
989		1376
990	sub new($) {	1377	sub new($) {
991	my ($login) = @_;	1378	my ($login) = @_;
992		1379
…		…
998	$cf::PLAYER{$login} = $self;	1385	$cf::PLAYER{$login} = $self;
999		1386
1000	$self	1387	$self
1001	}	1388	}
1002		1389
		1390	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1391
		1392	=cut
		1393
		1394	sub send_msg {
		1395	my $ns = shift->ns
		1396	or return;
		1397	$ns->send_msg (@_);
		1398	}
		1399
1003	=item $pl->quit_character	1400	=item $pl->quit_character
1004		1401
1005	Nukes the player without looking back. If logged in, the connection will	1402	Nukes the player without looking back. If logged in, the connection will
1006	be destroyed. May block for a long time.	1403	be destroyed. May block for a long time.
1007		1404
1008	=cut	1405	=cut
1009		1406
1010	sub quit_character {	1407	sub quit_character {
1011	my ($pl) = @_;	1408	my ($pl) = @_;
		1409
		1410	my $name = $pl->ob->name;
1012		1411
1013	$pl->{deny_save} = 1;	1412	$pl->{deny_save} = 1;
1014	$pl->password ("*"); # this should lock out the player until we nuked the dir	1413	$pl->password ("*"); # this should lock out the player until we nuked the dir
1015		1414
1016	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1415	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1021	my $path = playerdir $pl;	1420	my $path = playerdir $pl;
1022	my $temp = "$path~$cf::RUNTIME~deleting~";	1421	my $temp = "$path~$cf::RUNTIME~deleting~";
1023	aio_rename $path, $temp;	1422	aio_rename $path, $temp;
1024	delete $cf::PLAYER{$pl->ob->name};	1423	delete $cf::PLAYER{$pl->ob->name};
1025	$pl->destroy;	1424	$pl->destroy;
		1425
		1426	my $prefix = qr<^~\Q$name\E/>;
		1427
		1428	# nuke player maps
		1429	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1430
1026	IO::AIO::aio_rmtree $temp;	1431	IO::AIO::aio_rmtree $temp;
		1432	}
		1433
		1434	=item $pl->kick
		1435
		1436	Kicks a player out of the game. This destroys the connection.
		1437
		1438	=cut
		1439
		1440	sub kick {
		1441	my ($pl, $kicker) = @_;
		1442
		1443	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1444	$pl->killer ("kicked");
		1445	$pl->ns->destroy;
1027	}	1446	}
1028		1447
1029	=item cf::player::list_logins	1448	=item cf::player::list_logins
1030		1449
1031	Returns am arrayref of all valid playernames in the system, can take a	1450	Returns am arrayref of all valid playernames in the system, can take a
1032	while and may block, so not sync_job-capable, ever.	1451	while and may block, so not sync_job-capable, ever.
1033		1452
1034	=cut	1453	=cut
1035		1454
1036	sub list_logins {	1455	sub list_logins {
1037	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1456	my $dirs = aio_readdir $PLAYERDIR
1038	or return [];	1457	or return [];
1039		1458
1040	my @logins;	1459	my @logins;
1041		1460
1042	for my $login (@$dirs) {	1461	for my $login (@$dirs) {
		1462	my $path = path $login;
		1463
		1464	# a .pst is a dead give-away for a valid player
		1465	unless (-e "$path.pst") {
1043	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1466	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1044	aio_read $fh, 0, 512, my $buf, 0 or next;	1467	aio_read $fh, 0, 512, my $buf, 0 or next;
1045	$buf !~ /^password -------------$/m or next; # official not-valid tag	1468	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1469	}
1046		1470
1047	utf8::decode $login;	1471	utf8::decode $login;
1048	push @logins, $login;	1472	push @logins, $login;
1049	}	1473	}
1050		1474
…		…
1058		1482
1059	=cut	1483	=cut
1060		1484
1061	sub maps($) {	1485	sub maps($) {
1062	my ($pl) = @_;	1486	my ($pl) = @_;
		1487
		1488	$pl = ref $pl ? $pl->ob->name : $pl;
1063		1489
1064	my $files = aio_readdir playerdir $pl	1490	my $files = aio_readdir playerdir $pl
1065	or return;	1491	or return;
1066		1492
1067	my @paths;	1493	my @paths;
…		…
1069	for (@$files) {	1495	for (@$files) {
1070	utf8::decode $_;	1496	utf8::decode $_;
1071	next if /\.(?:pl\|pst)$/;	1497	next if /\.(?:pl\|pst)$/;
1072	next unless /^$PATH_SEP/o;	1498	next unless /^$PATH_SEP/o;
1073		1499
1074	s/\.map$//;	1500	push @paths, cf::map::normalise "~$pl/$_";
1075	push @paths, "~" . $pl->ob->name . "/" . $_;
1076	}	1501	}
1077		1502
1078	\@paths	1503	\@paths
1079	}	1504	}
1080		1505
		1506	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1507
		1508	Expand crossfire pod fragments into protocol xml.
		1509
		1510	=cut
		1511
		1512	sub expand_cfpod {
		1513	((my $self), (local $_)) = @_;
		1514
		1515	# escape & and <
		1516	s/&/&/g;
		1517	s/(?<![BIUGHT])</</g;
		1518
		1519	# this is buggy, it needs to properly take care of nested <'s
		1520
		1521	1 while
		1522	# replace B<>, I<>, U<> etc.
		1523	s/B<([^\>]*)>/<b>$1<\/b>/
		1524	\|\| s/I<([^\>]*)>/<i>$1<\/i>/
		1525	\|\| s/U<([^\>]*)>/<u>$1<\/u>/
		1526	\|\| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1527	# replace G<male\|female> tags
		1528	\|\| s{G<([^>\|])\\|([^>])>}{
		1529	$self->gender ? $2 : $1
		1530	}ge
		1531	# replace H<hint text>
		1532	\|\| s{H<([^\>]*)>}
		1533	{
		1534	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1535	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1536	"")
		1537	[$self->{hintmode}]
		1538	}ge;
		1539
		1540	# create single paragraphs (very hackish)
		1541	s/(?<=\S)\n(?=\w)/ /g;
		1542
		1543	# compress some whitespace
		1544	s/\s+\n/\n/g; # ws line-ends
		1545	s/\n\n+/\n/g; # double lines
		1546	s/^\n+//; # beginning lines
		1547	s/\n+$//; # ending lines
		1548
		1549	$_
		1550	}
		1551
		1552	sub hintmode {
		1553	$_[0]{hintmode} = $_[1] if @_ > 1;
		1554	$_[0]{hintmode}
		1555	}
		1556
1081	=item $player->ext_reply ($msgid, $msgtype, %msg)	1557	=item $player->ext_reply ($msgid, @msg)
1082		1558
1083	Sends an ext reply to the player.	1559	Sends an ext reply to the player.
1084		1560
1085	=cut	1561	=cut
1086		1562
1087	sub ext_reply($$$%) {	1563	sub ext_reply($$@) {
1088	my ($self, $id, %msg) = @_;	1564	my ($self, $id, @msg) = @_;
1089		1565
1090	$msg{msgid} = $id;	1566	$self->ns->ext_reply ($id, @msg)
1091
1092	$self->send ("ext " . cf::to_json \%msg);
1093	}	1567	}
1094		1568
1095	package cf;	1569	=item $player->ext_msg ($type, @msg)
		1570
		1571	Sends an ext event to the client.
		1572
		1573	=cut
		1574
		1575	sub ext_msg($$@) {
		1576	my ($self, $type, @msg) = @_;
		1577
		1578	$self->ns->ext_msg ($type, @msg);
		1579	}
		1580
		1581	=head3 cf::region
		1582
		1583	=over 4
		1584
		1585	=cut
		1586
		1587	package cf::region;
		1588
		1589	=item cf::region::find_by_path $path
		1590
		1591	Tries to decuce the likely region for a map knowing only its path.
		1592
		1593	=cut
		1594
		1595	sub find_by_path($) {
		1596	my ($path) = @_;
		1597
		1598	my ($match, $specificity);
		1599
		1600	for my $region (list) {
		1601	if ($region->{match} && $path =~ $region->{match}) {
		1602	($match, $specificity) = ($region, $region->specificity)
		1603	if $region->specificity > $specificity;
		1604	}
		1605	}
		1606
		1607	$match
		1608	}
1096		1609
1097	=back	1610	=back
1098
1099		1611
1100	=head3 cf::map	1612	=head3 cf::map
1101		1613
1102	=over 4	1614	=over 4
1103		1615
…		…
1107		1619
1108	use Fcntl;	1620	use Fcntl;
1109	use Coro::AIO;	1621	use Coro::AIO;
1110		1622
1111	use overload	1623	use overload
1112	'""' => \&as_string;	1624	'""' => \&as_string,
		1625	fallback => 1;
1113		1626
1114	our $MAX_RESET = 3600;	1627	our $MAX_RESET = 3600;
1115	our $DEFAULT_RESET = 3000;	1628	our $DEFAULT_RESET = 3000;
1116		1629
1117	sub generate_random_map {	1630	sub generate_random_map {
1118	my ($self, $rmp) = @_;	1631	my ($self, $rmp) = @_;
1119
1120	# mit "rum" bekleckern, nicht	1632	# mit "rum" bekleckern, nicht
1121	$self->_create_random_map (	1633	$self->_create_random_map (
1122	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1634	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1123	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1635	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1124	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1636	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1131	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1643	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1132	(cf::region::find $rmp->{region}), $rmp->{custom}	1644	(cf::region::find $rmp->{region}), $rmp->{custom}
1133	)	1645	)
1134	}	1646	}
1135		1647
		1648	=item cf::map->register ($regex, $prio)
		1649
		1650	Register a handler for the map path matching the given regex at the
		1651	givne priority (higher is better, built-in handlers have priority 0, the
		1652	default).
		1653
		1654	=cut
		1655
1136	sub register {	1656	sub register {
1137	my (undef, $regex) = @_;	1657	my (undef, $regex, $prio) = @_;
1138	my $pkg = caller;	1658	my $pkg = caller;
1139		1659
1140	no strict;	1660	no strict;
1141	push @{"$pkg\::ISA"}, __PACKAGE__;	1661	push @{"$pkg\::ISA"}, __PACKAGE__;
1142		1662
1143	$EXT_MAP{$pkg} = qr<$regex>;	1663	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1144	}	1664	}
1145		1665
1146	# also paths starting with '/'	1666	# also paths starting with '/'
1147	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1667	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1668
		1669	sub thawer_merge {
		1670	my ($self, $merge) = @_;
		1671
		1672	# we have to keep some variables in memory intact
		1673	local $self->{path};
		1674	local $self->{load_path};
		1675
		1676	$self->SUPER::thawer_merge ($merge);
		1677	}
1148		1678
1149	sub normalise {	1679	sub normalise {
1150	my ($path, $base) = @_;	1680	my ($path, $base) = @_;
		1681
		1682	$path = "$path"; # make sure its a string
		1683
		1684	$path =~ s/\.map$//;
1151		1685
1152	# map plan:	1686	# map plan:
1153	#	1687	#
1154	# /! non-realised random map exit (special hack!)	1688	# /! non-realised random map exit (special hack!)
1155	# {... are special paths that are not being touched	1689	# {... are special paths that are not being touched
…		…
1183		1717
1184	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1718	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1185		1719
1186	$path = normalise $path, $base;	1720	$path = normalise $path, $base;
1187		1721
1188	for my $pkg (keys %EXT_MAP) {	1722	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1189	if ($path =~ $EXT_MAP{$pkg}) {	1723	if ($path =~ $EXT_MAP{$pkg}[1]) {
1190	my $self = bless cf::map::new, $pkg;	1724	my $self = bless cf::map::new, $pkg;
1191	$self->{path} = $path; $self->path ($path);	1725	$self->{path} = $path; $self->path ($path);
1192	$self->init; # pass $1 etc.	1726	$self->init; # pass $1 etc.
1193	return $self;	1727	return $self;
1194	}	1728	}
1195	}	1729	}
1196		1730
1197	Carp::carp "unable to resolve path '$path'.";	1731	Carp::cluck "unable to resolve path '$path' (base '$base').";
1198	()	1732	()
1199	}	1733	}
1200		1734
1201	sub init {	1735	sub init {
1202	my ($self) = @_;	1736	my ($self) = @_;
…		…
1217		1751
1218	# the original (read-only) location	1752	# the original (read-only) location
1219	sub load_path {	1753	sub load_path {
1220	my ($self) = @_;	1754	my ($self) = @_;
1221		1755
1222	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1756	"$MAPDIR/$self->{path}.map"
1223	}	1757	}
1224		1758
1225	# the temporary/swap location	1759	# the temporary/swap location
1226	sub save_path {	1760	sub save_path {
1227	my ($self) = @_;	1761	my ($self) = @_;
1228		1762
1229	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1763	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1230	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1764	"$TMPDIR/$path.map"
1231	}	1765	}
1232		1766
1233	# the unique path, undef == no special unique path	1767	# the unique path, undef == no special unique path
1234	sub uniq_path {	1768	sub uniq_path {
1235	my ($self) = @_;	1769	my ($self) = @_;
1236		1770
1237	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1771	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1238	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1772	"$UNIQUEDIR/$path"
1239	}	1773	}
1240		1774
1241	# and all this just because we cannot iterate over	1775	# and all this just because we cannot iterate over
1242	# all maps in C++...	1776	# all maps in C++...
1243	sub change_all_map_light {	1777	sub change_all_map_light {
…		…
1245		1779
1246	$_->change_map_light ($change)	1780	$_->change_map_light ($change)
1247	for grep $_->outdoor, values %cf::MAP;	1781	for grep $_->outdoor, values %cf::MAP;
1248	}	1782	}
1249		1783
		1784	sub decay_objects {
		1785	my ($self) = @_;
		1786
		1787	return if $self->{deny_reset};
		1788
		1789	$self->do_decay_objects;
		1790	}
		1791
1250	sub unlink_save {	1792	sub unlink_save {
1251	my ($self) = @_;	1793	my ($self) = @_;
1252		1794
1253	utf8::encode (my $save = $self->save_path);	1795	utf8::encode (my $save = $self->save_path);
1254	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1796	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1255	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1797	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1256	}	1798	}
1257		1799
1258	sub load_header_from($) {	1800	sub load_header_from($) {
1259	my ($self, $path) = @_;	1801	my ($self, $path) = @_;
1260		1802
1261	utf8::encode $path;	1803	utf8::encode $path;
1262	aio_open $path, O_RDONLY, 0	1804	my $f = new_from_file cf::object::thawer $path
1263	or return;	1805	or return;
1264		1806
1265	$self->_load_header ($path)	1807	$self->_load_header ($f)
1266	or return;	1808	or return;
1267		1809
		1810	local $MAP_LOADING{$self->{path}} = $self;
		1811	$f->resolve_delayed_derefs;
		1812
1268	$self->{load_path} = $path;	1813	$self->{load_path} = $path;
1269		1814
1270	1	1815	1
1271	}	1816	}
1272		1817
1273	sub load_orig {	1818	sub load_header_orig {
1274	my ($self) = @_;	1819	my ($self) = @_;
1275		1820
1276	$self->load_header_from ($self->load_path)	1821	$self->load_header_from ($self->load_path)
1277	}	1822	}
1278		1823
1279	sub load_temp {	1824	sub load_header_temp {
1280	my ($self) = @_;	1825	my ($self) = @_;
1281		1826
1282	$self->load_header_from ($self->save_path)	1827	$self->load_header_from ($self->save_path)
		1828	}
		1829
		1830	sub prepare_temp {
		1831	my ($self) = @_;
		1832
		1833	$self->last_access ((delete $self->{last_access})
		1834	\|\| $cf::RUNTIME); #d#
		1835	# safety
		1836	$self->{instantiate_time} = $cf::RUNTIME
		1837	if $self->{instantiate_time} > $cf::RUNTIME;
		1838	}
		1839
		1840	sub prepare_orig {
		1841	my ($self) = @_;
		1842
		1843	$self->{load_original} = 1;
		1844	$self->{instantiate_time} = $cf::RUNTIME;
		1845	$self->last_access ($cf::RUNTIME);
		1846	$self->instantiate;
1283	}	1847	}
1284		1848
1285	sub load_header {	1849	sub load_header {
1286	my ($self) = @_;	1850	my ($self) = @_;
1287		1851
1288	if ($self->load_temp) {	1852	if ($self->load_header_temp) {
1289	$self->last_access ((delete $self->{last_access})	1853	$self->prepare_temp;
1290	\|\| $cf::RUNTIME); #d#
1291	# safety
1292	$self->{instantiate_time} = $cf::RUNTIME
1293	if $self->{instantiate_time} > $cf::RUNTIME;
1294	} else {	1854	} else {
1295	$self->load_orig	1855	$self->load_header_orig
1296	or return;	1856	or return;
1297		1857	$self->prepare_orig;
1298	$self->{load_original} = 1;
1299	$self->{instantiate_time} = $cf::RUNTIME;
1300	$self->last_access ($cf::RUNTIME);
1301	$self->instantiate;
1302	}	1858	}
		1859
		1860	$self->{deny_reset} = 1
		1861	if $self->no_reset;
		1862
		1863	$self->default_region (cf::region::find_by_path $self->{path})
		1864	unless $self->default_region;
1303		1865
1304	1	1866	1
1305	}	1867	}
1306		1868
1307	sub find;	1869	sub find;
1308	sub find {	1870	sub find {
1309	my ($path, $origin) = @_;	1871	my ($path, $origin) = @_;
1310		1872
1311	$path = normalise $path, $origin && $origin->path;	1873	$path = normalise $path, $origin && $origin->path;
1312		1874
		1875	cf::lock_wait "map_data:$path";#d#remove
1313	cf::lock_wait "map_find:$path";	1876	cf::lock_wait "map_find:$path";
1314		1877
1315	$cf::MAP{$path} \|\| do {	1878	$cf::MAP{$path} \|\| do {
1316	my $guard = cf::lock_acquire "map_find:$path";	1879	my $guard1 = cf::lock_acquire "map_find:$path";
		1880	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1881
1317	my $map = new_from_path cf::map $path	1882	my $map = new_from_path cf::map $path
1318	or return;	1883	or return;
1319		1884
1320	$map->{last_save} = $cf::RUNTIME;	1885	$map->{last_save} = $cf::RUNTIME;
1321		1886
1322	$map->load_header	1887	$map->load_header
1323	or return;	1888	or return;
1324		1889
1325	if ($map->should_reset) {	1890	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1891	# doing this can freeze the server in a sync job, obviously
		1892	#$cf::WAIT_FOR_TICK->wait;
		1893	undef $guard1;
		1894	undef $guard2;
1326	$map->reset;	1895	$map->reset;
1327	undef $guard;
1328	$map = find $path	1896	return find $path;
1329	or return;
1330	}	1897	}
1331		1898
1332	$cf::MAP{$path} = $map	1899	$cf::MAP{$path} = $map
1333	}	1900	}
1334	}	1901	}
		1902
		1903	sub pre_load { }
		1904	sub post_load { }
1335		1905
1336	sub load {	1906	sub load {
1337	my ($self) = @_;	1907	my ($self) = @_;
1338		1908
		1909	local $self->{deny_reset} = 1; # loading can take a long time
		1910
1339	my $path = $self->{path};	1911	my $path = $self->{path};
		1912
		1913	{
1340	my $guard = cf::lock_acquire "map_load:$path";	1914	my $guard = cf::lock_acquire "map_data:$path";
1341		1915
		1916	return unless $self->valid;
1342	return if $self->in_memory != cf::MAP_SWAPPED;	1917	return unless $self->in_memory == cf::MAP_SWAPPED;
1343		1918
1344	$self->in_memory (cf::MAP_LOADING);	1919	$self->in_memory (cf::MAP_LOADING);
1345		1920
1346	$self->alloc;	1921	$self->alloc;
1347	$self->_load_objects ($self->{load_path}, 1)	1922
		1923	$self->pre_load;
		1924	cf::cede_to_tick;
		1925
		1926	my $f = new_from_file cf::object::thawer $self->{load_path};
		1927	$f->skip_block;
		1928	$self->_load_objects ($f)
1348	or return;	1929	or return;
1349		1930
1350	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1931	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1351	if delete $self->{load_original};	1932	if delete $self->{load_original};
1352		1933
1353	if (my $uniq = $self->uniq_path) {	1934	if (my $uniq = $self->uniq_path) {
1354	utf8::encode $uniq;	1935	utf8::encode $uniq;
1355	if (aio_open $uniq, O_RDONLY, 0) {	1936	unless (aio_stat $uniq) {
		1937	if (my $f = new_from_file cf::object::thawer $uniq) {
1356	$self->clear_unique_items;	1938	$self->clear_unique_items;
1357	$self->_load_objects ($uniq, 0);	1939	$self->_load_objects ($f);
		1940	$f->resolve_delayed_derefs;
		1941	}
1358	}	1942	}
1359	}	1943	}
1360		1944
1361	Coro::cede;	1945	$f->resolve_delayed_derefs;
1362		1946
		1947	cf::cede_to_tick;
1363	# now do the right thing for maps	1948	# now do the right thing for maps
1364	$self->link_multipart_objects;	1949	$self->link_multipart_objects;
1365
1366	unless ($self->{deny_activate}) {
1367	$self->decay_objects;
1368	$self->fix_auto_apply;
1369	$self->update_buttons;
1370	Coro::cede;
1371	$self->set_darkness_map;
1372	$self->difficulty ($self->estimate_difficulty)	1950	$self->difficulty ($self->estimate_difficulty)
1373	unless $self->difficulty;	1951	unless $self->difficulty;
1374	Coro::cede;	1952	cf::cede_to_tick;
		1953
		1954	unless ($self->{deny_activate}) {
		1955	$self->decay_objects;
		1956	$self->fix_auto_apply;
		1957	$self->update_buttons;
		1958	cf::cede_to_tick;
		1959	$self->set_darkness_map;
		1960	cf::cede_to_tick;
1375	$self->activate;	1961	$self->activate;
1376	}	1962	}
1377		1963
		1964	$self->{last_save} = $cf::RUNTIME;
		1965	$self->last_access ($cf::RUNTIME);
		1966
1378	$self->in_memory (cf::MAP_IN_MEMORY);	1967	$self->in_memory (cf::MAP_IN_MEMORY);
		1968	}
		1969
		1970	$self->post_load;
1379	}	1971	}
1380		1972
1381	sub customise_for {	1973	sub customise_for {
1382	my ($self, $ob) = @_;	1974	my ($self, $ob) = @_;
1383		1975
1384	return find "~" . $ob->name . "/" . $self->{path}	1976	return find "~" . $ob->name . "/" . $self->{path}
1385	if $self->per_player;	1977	if $self->per_player;
1386		1978
		1979	# return find "?party/" . $ob->name . "/" . $self->{path}
		1980	# if $self->per_party;
		1981
1387	$self	1982	$self
1388	}	1983	}
1389		1984
1390	# find and load all maps in the 3x3 area around a map	1985	# find and load all maps in the 3x3 area around a map
1391	sub load_diag {	1986	sub load_neighbours {
1392	my ($map) = @_;	1987	my ($map) = @_;
1393		1988
1394	my @diag; # diagonal neighbours	1989	my @neigh; # diagonal neighbours
1395		1990
1396	for (0 .. 3) {	1991	for (0 .. 3) {
1397	my $neigh = $map->tile_path ($_)	1992	my $neigh = $map->tile_path ($_)
1398	or next;	1993	or next;
1399	$neigh = find $neigh, $map	1994	$neigh = find $neigh, $map
1400	or next;	1995	or next;
1401	$neigh->load;	1996	$neigh->load;
1402		1997
		1998	push @neigh,
1403	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1999	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1404	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2000	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1405	}	2001	}
1406		2002
1407	for (@diag) {	2003	for (grep defined $_->[0], @neigh) {
		2004	my ($path, $origin) = @$_;
1408	my $neigh = find @$_	2005	my $neigh = find $path, $origin
1409	or next;	2006	or next;
1410	$neigh->load;	2007	$neigh->load;
1411	}	2008	}
1412	}	2009	}
1413		2010
…		…
1418	}	2015	}
1419		2016
1420	sub do_load_sync {	2017	sub do_load_sync {
1421	my ($map) = @_;	2018	my ($map) = @_;
1422		2019
		2020	cf::LOG cf::llevDebug \| cf::logBacktrace, "do_load_sync"
		2021	if $Coro::current == $Coro::main;
		2022
1423	cf::sync_job { $map->load };	2023	cf::sync_job { $map->load };
1424	}	2024	}
1425		2025
1426	our %MAP_PREFETCH;	2026	our %MAP_PREFETCH;
1427	our $MAP_PREFETCHER = Coro::async {	2027	our $MAP_PREFETCHER = undef;
1428	while () {
1429	for my $path (keys %MAP_PREFETCH) {
1430	my $map = find $path
1431	or next;
1432	$map->load;
1433
1434	delete $MAP_PREFETCH{$path};
1435	}
1436	Coro::schedule;
1437	}
1438	};
1439		2028
1440	sub find_async {	2029	sub find_async {
1441	my ($path, $origin) = @_;	2030	my ($path, $origin, $load) = @_;
1442		2031
1443	$path = normalise $path, $origin && $origin->{path};	2032	$path = normalise $path, $origin && $origin->{path};
1444		2033
1445	if (my $map = $cf::MAP{$path}) {	2034	if (my $map = $cf::MAP{$path}) {
1446	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2035	return $map if !$load \|\| $map->in_memory == cf::MAP_IN_MEMORY;
		2036	}
		2037
		2038	$MAP_PREFETCH{$path} \|= $load;
		2039
		2040	$MAP_PREFETCHER \|\|= cf::async {
		2041	while (%MAP_PREFETCH) {
		2042	while (my ($k, $v) = each %MAP_PREFETCH) {
		2043	if (my $map = find $k) {
		2044	$map->load if $v;
		2045	}
		2046
		2047	delete $MAP_PREFETCH{$k};
		2048	}
		2049	}
		2050	undef $MAP_PREFETCHER;
1447	}	2051	};
1448
1449	$MAP_PREFETCH{$path} = 0;
1450	$MAP_PREFETCHER->ready;	2052	$MAP_PREFETCHER->prio (6);
1451		2053
1452	()	2054	()
1453	}	2055	}
1454		2056
1455	sub save {	2057	sub save {
1456	my ($self) = @_;	2058	my ($self) = @_;
1457		2059
1458	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1459		2061
1460	$self->{last_save} = $cf::RUNTIME;	2062	$self->{last_save} = $cf::RUNTIME;
1461		2063
1462	return unless $self->dirty;	2064	return unless $self->dirty;
1463		2065
…		…
1486	my ($self) = @_;	2088	my ($self) = @_;
1487		2089
1488	# save first because save cedes	2090	# save first because save cedes
1489	$self->save;	2091	$self->save;
1490		2092
1491	my $lock = cf::lock_acquire "map_data:" . $self->path;	2093	my $lock = cf::lock_acquire "map_data:$self->{path}";
1492		2094
1493	return if $self->players;	2095	return if $self->players;
1494	return if $self->in_memory != cf::MAP_IN_MEMORY;	2096	return if $self->in_memory != cf::MAP_IN_MEMORY;
1495	return if $self->{deny_save};	2097	return if $self->{deny_save};
1496		2098
		2099	$self->in_memory (cf::MAP_SWAPPED);
		2100
		2101	$self->deactivate;
		2102	$_->clear_links_to ($self) for values %cf::MAP;
1497	$self->clear;	2103	$self->clear;
1498	$self->in_memory (cf::MAP_SWAPPED);
1499	}	2104	}
1500		2105
1501	sub reset_at {	2106	sub reset_at {
1502	my ($self) = @_;	2107	my ($self) = @_;
1503		2108
1504	# TODO: safety, remove and allow resettable per-player maps	2109	# TODO: safety, remove and allow resettable per-player maps
1505	return 1e99 if $self->isa ("ext::map_per_player");#d#
1506	return 1e99 if $self->{deny_reset};	2110	return 1e99 if $self->{deny_reset};
1507		2111
1508	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2112	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1509	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;	2113	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
1510		2114
…		…
1515	my ($self) = @_;	2119	my ($self) = @_;
1516		2120
1517	$self->reset_at <= $cf::RUNTIME	2121	$self->reset_at <= $cf::RUNTIME
1518	}	2122	}
1519		2123
1520	sub rename {
1521	my ($self, $new_path) = @_;
1522
1523	normalise $new_path;
1524
1525	$self->unlink_save;
1526
1527	delete $cf::MAP{$self->path};
1528	$self->{path} = $new_path; $self->path ($self->{path});
1529	$cf::MAP{$self->path} = $self;
1530
1531	$self->save;
1532	}
1533
1534	sub reset {	2124	sub reset {
1535	my ($self) = @_;	2125	my ($self) = @_;
1536		2126
1537	my $lock = cf::lock_acquire "map_data:$self->{path}";	2127	my $lock = cf::lock_acquire "map_data:$self->{path}";
1538		2128
1539	return if $self->players;	2129	return if $self->players;
1540	return if $self->isa ("ext::map_per_player");#d#
1541		2130
1542	warn "resetting map ", $self->path;#d#	2131	warn "resetting map ", $self->path;
		2132
		2133	$self->in_memory (cf::MAP_SWAPPED);
		2134
		2135	# need to save uniques path
		2136	unless ($self->{deny_save}) {
		2137	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2138
		2139	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2140	if $uniq;
		2141	}
1543		2142
1544	delete $cf::MAP{$self->path};	2143	delete $cf::MAP{$self->path};
1545		2144
1546	$self->in_memory (cf::MAP_SWAPPED);	2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1547	$self->clear;	2147	$self->clear;
1548
1549	$_->clear_links_to ($self) for values %cf::MAP;
1550		2148
1551	$self->unlink_save;	2149	$self->unlink_save;
1552	$self->destroy;	2150	$self->destroy;
1553	}	2151	}
1554		2152
1555	my $nuke_counter = "aaaa";	2153	my $nuke_counter = "aaaa";
1556		2154
1557	sub nuke {	2155	sub nuke {
1558	my ($self) = @_;	2156	my ($self) = @_;
1559		2157
		2158	{
		2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2160
		2161	delete $cf::MAP{$self->path};
		2162
		2163	$self->unlink_save;
		2164
		2165	bless $self, "cf::map";
		2166	delete $self->{deny_reset};
1560	$self->{deny_save} = 1;	2167	$self->{deny_save} = 1;
1561	$self->reset_timeout (1);	2168	$self->reset_timeout (1);
1562	$self->rename ("{nuke}/" . ($nuke_counter++));	2169	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2170
		2171	$cf::MAP{$self->path} = $self;
		2172	}
		2173
1563	$self->reset; # polite request, might not happen	2174	$self->reset; # polite request, might not happen
		2175	}
		2176
		2177	=item $maps = cf::map::tmp_maps
		2178
		2179	Returns an arrayref with all map paths of currently instantiated and saved
		2180	maps. May block.
		2181
		2182	=cut
		2183
		2184	sub tmp_maps() {
		2185	[
		2186	map {
		2187	utf8::decode $_;
		2188	/\.map$/
		2189	? normalise $_
		2190	: ()
		2191	} @{ aio_readdir $TMPDIR or [] }
		2192	]
		2193	}
		2194
		2195	=item $maps = cf::map::random_maps
		2196
		2197	Returns an arrayref with all map paths of currently instantiated and saved
		2198	random maps. May block.
		2199
		2200	=cut
		2201
		2202	sub random_maps() {
		2203	[
		2204	map {
		2205	utf8::decode $_;
		2206	/\.map$/
		2207	? normalise "?random/$_"
		2208	: ()
		2209	} @{ aio_readdir $RANDOMDIR or [] }
		2210	]
1564	}	2211	}
1565		2212
1566	=item cf::map::unique_maps	2213	=item cf::map::unique_maps
1567		2214
1568	Returns an arrayref of paths of all shared maps that have	2215	Returns an arrayref of paths of all shared maps that have
1569	instantiated unique items. May block.	2216	instantiated unique items. May block.
1570		2217
1571	=cut	2218	=cut
1572		2219
1573	sub unique_maps() {	2220	sub unique_maps() {
1574	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2221	[
1575	or return;	2222	map {
1576
1577	my @paths;
1578
1579	for (@$files) {
1580	utf8::decode $_;	2223	utf8::decode $_;
1581	next if /\.pst$/;
1582	next unless /^$PATH_SEP/o;
1583
1584	s/\.map$//;	2224	/\.map$/
1585	push @paths, $_;	2225	? normalise $_
		2226	: ()
		2227	} @{ aio_readdir $UNIQUEDIR or [] }
1586	}	2228	]
1587
1588	\@paths
1589	}	2229	}
1590		2230
1591	package cf;	2231	package cf;
1592		2232
1593	=back	2233	=back
…		…
1611	map { $_, inv_recursive_ $_->inv } @_	2251	map { $_, inv_recursive_ $_->inv } @_
1612	}	2252	}
1613		2253
1614	sub inv_recursive {	2254	sub inv_recursive {
1615	inv_recursive_ inv $_[0]	2255	inv_recursive_ inv $_[0]
		2256	}
		2257
		2258	=item $ref = $ob->ref
		2259
		2260	creates and returns a persistent reference to an objetc that can be stored as a string.
		2261
		2262	=item $ob = cf::object::deref ($refstring)
		2263
		2264	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2265	even if the object actually exists. May block.
		2266
		2267	=cut
		2268
		2269	sub deref {
		2270	my ($ref) = @_;
		2271
		2272	# temporary compatibility#TODO#remove
		2273	$ref =~ s{^<}{player/<};
		2274
		2275	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2276	my ($uuid, $name) = ($1, $2);
		2277	my $pl = $cf::PLAYER_LOADING{$name} \|\| cf::player::find $name
		2278	or return;
		2279	$pl->ob->uuid eq $uuid
		2280	or return;
		2281
		2282	$pl->ob
		2283	} else {
		2284	warn "$ref: cannot resolve object reference\n";
		2285	undef
		2286	}
1616	}	2287	}
1617		2288
1618	package cf;	2289	package cf;
1619		2290
1620	=back	2291	=back
…		…
1639		2310
1640	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;	2311	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;
1641		2312
1642	if ($self->{record_replies}) {	2313	if ($self->{record_replies}) {
1643	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2314	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2315
1644	} else {	2316	} else {
		2317	my $pl = $self->contr;
		2318
		2319	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2320	my $dialog = $pl->{npc_dialog};
		2321	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2322
		2323	} else {
1645	$msg = $npc->name . " says: $msg" if $npc;	2324	$msg = $npc->name . " says: $msg" if $npc;
1646	$self->message ($msg, $flags);	2325	$self->message ($msg, $flags);
		2326	}
1647	}	2327	}
		2328	}
		2329
		2330	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2331
		2332	=cut
		2333
		2334	sub cf::object::send_msg {
		2335	my $pl = shift->contr
		2336	or return;
		2337	$pl->send_msg (@_);
1648	}	2338	}
1649		2339
1650	=item $player_object->may ("access")	2340	=item $player_object->may ("access")
1651		2341
1652	Returns wether the given player is authorized to access resource "access"	2342	Returns wether the given player is authorized to access resource "access"
…		…
1684	=cut	2374	=cut
1685		2375
1686	sub link_map {	2376	sub link_map {
1687	unless ($LINK_MAP) {	2377	unless ($LINK_MAP) {
1688	$LINK_MAP = cf::map::find "{link}"	2378	$LINK_MAP = cf::map::find "{link}"
1689	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2379	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1690	$LINK_MAP->load;	2380	$LINK_MAP->load;
1691	}	2381	}
1692		2382
1693	$LINK_MAP	2383	$LINK_MAP
1694	}	2384	}
…		…
1699	$self->deactivate_recursive;	2389	$self->deactivate_recursive;
1700		2390
1701	return if UNIVERSAL::isa $self->map, "ext::map_link";	2391	return if UNIVERSAL::isa $self->map, "ext::map_link";
1702		2392
1703	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]	2393	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
1704	if $self->map;	2394	if $self->map && $self->map->{path} ne "{link}";
1705		2395
1706	$self->enter_map ($LINK_MAP \|\| link_map, 20, 20);	2396	$self->enter_map ($LINK_MAP \|\| link_map, 10, 10);
1707	}	2397	}
1708		2398
1709	sub cf::object::player::leave_link {	2399	sub cf::object::player::leave_link {
1710	my ($self, $map, $x, $y) = @_;	2400	my ($self, $map, $x, $y) = @_;
		2401
		2402	return unless $self->contr->active;
1711		2403
1712	my $link_pos = delete $self->{_link_pos};	2404	my $link_pos = delete $self->{_link_pos};
1713		2405
1714	unless ($map) {	2406	unless ($map) {
1715	# restore original map position	2407	# restore original map position
…		…
1729	# use -1 or undef as default coordinates, not 0, 0	2421	# use -1 or undef as default coordinates, not 0, 0
1730	($x, $y) = ($map->enter_x, $map->enter_y)	2422	($x, $y) = ($map->enter_x, $map->enter_y)
1731	if $x <=0 && $y <= 0;	2423	if $x <=0 && $y <= 0;
1732		2424
1733	$map->load;	2425	$map->load;
1734	$map->load_diag;	2426	$map->load_neighbours;
1735		2427
1736	return unless $self->contr->active;	2428	return unless $self->contr->active;
1737	$self->activate_recursive;	2429	$self->activate_recursive;
		2430
		2431	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1738	$self->enter_map ($map, $x, $y);	2432	$self->enter_map ($map, $x, $y);
1739	}	2433	}
1740		2434
1741	cf::player->attach (	2435	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1742	on_logout => sub {
1743	my ($pl) = @_;
1744		2436
1745	# abort map switching before logout	2437	Moves the player to the given map-path and coordinates by first freezing
1746	if ($pl->ob->{_link_pos}) {	2438	her, loading and preparing them map, calling the provided $check callback
1747	cf::sync_job {	2439	that has to return the map if sucecssful, and then unfreezes the player on
1748	$pl->ob->leave_link	2440	the new (success) or old (failed) map position. In either case, $done will
1749	};	2441	be called at the end of this process.
1750	}
1751	},
1752	on_login => sub {
1753	my ($pl) = @_;
1754		2442
1755	# try to abort aborted map switching on player login :)
1756	# should happen only on crashes
1757	if ($pl->ob->{_link_pos}) {
1758	$pl->ob->enter_link;
1759	(async {
1760	# we need this sleep as the login has a concurrent enter_exit running
1761	# and this sleep increases chances of the player not ending up in scorn
1762	$pl->ob->reply (undef,
1763	"There was an internal problem at your last logout, "
1764	. "the server will try to bring you to your intended destination in a second.",
1765	cf::NDI_RED);
1766	Coro::Timer::sleep 1;
1767	$pl->ob->leave_link;
1768	})->prio (2);
1769	}
1770	},
1771	);
1772
1773	=item $player_object->goto ($path, $x, $y)
1774
1775	=cut	2443	=cut
		2444
		2445	our $GOTOGEN;
1776		2446
1777	sub cf::object::player::goto {	2447	sub cf::object::player::goto {
1778	my ($self, $path, $x, $y) = @_;	2448	my ($self, $path, $x, $y, $check, $done) = @_;
		2449
		2450	# do generation counting so two concurrent goto's will be executed in-order
		2451	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1779		2452
1780	$self->enter_link;	2453	$self->enter_link;
1781		2454
1782	(async {	2455	(async {
1783	my $map = cf::map::find $path;	2456	# *tag paths override both path and x\|y
		2457	if ($path =~ /^\(.)$/) {
		2458	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2459	my $ob = $obs[rand @obs];
		2460
		2461	# see if we actually can go there
		2462	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2463	$ob = $obs[rand @obs];
		2464	} else {
		2465	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE \| cf::NDI_RED);
		2466	}
		2467	# else put us there anyways for now #d#
		2468
		2469	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2470	} else {
		2471	($path, $x, $y) = (undef, undef, undef);
		2472	}
		2473	}
		2474
		2475	my $map = eval {
		2476	my $map = defined $path ? cf::map::find $path : undef;
		2477
		2478	if ($map) {
1784	$map = $map->customise_for ($self) if $map;	2479	$map = $map->customise_for ($self);
1785		2480	$map = $check->($map) if $check && $map;
1786	# warn "entering ", $map->path, " at ($x, $y)\n"	2481	} else {
1787	# if $map;
1788
1789	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE \| cf::NDI_RED);	2482	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE \| cf::NDI_RED);
		2483	}
1790		2484
		2485	$map
		2486	};
		2487
		2488	if ($@) {
		2489	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE \| cf::NDI_RED);
		2490	LOG llevError \| logBacktrace, Carp::longmess $@;
		2491	}
		2492
		2493	if ($gen == $self->{_goto_generation}) {
		2494	delete $self->{_goto_generation};
1791	$self->leave_link ($map, $x, $y);	2495	$self->leave_link ($map, $x, $y);
		2496	}
		2497
		2498	$done->() if $done;
1792	})->prio (1);	2499	})->prio (1);
1793	}	2500	}
1794		2501
1795	=item $player_object->enter_exit ($exit_object)	2502	=item $player_object->enter_exit ($exit_object)
1796		2503
…		…
1798		2505
1799	sub parse_random_map_params {	2506	sub parse_random_map_params {
1800	my ($spec) = @_;	2507	my ($spec) = @_;
1801		2508
1802	my $rmp = { # defaults	2509	my $rmp = { # defaults
1803	xsize => 10,	2510	xsize => (cf::rndm 15, 40),
1804	ysize => 10,	2511	ysize => (cf::rndm 15, 40),
		2512	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2513	#layout => string,
1805	};	2514	};
1806		2515
1807	for (split /\n/, $spec) {	2516	for (split /\n/, $spec) {
1808	my ($k, $v) = split /\s+/, $_, 2;	2517	my ($k, $v) = split /\s+/, $_, 2;
1809		2518
…		…
1813	$rmp	2522	$rmp
1814	}	2523	}
1815		2524
1816	sub prepare_random_map {	2525	sub prepare_random_map {
1817	my ($exit) = @_;	2526	my ($exit) = @_;
		2527
		2528	my $guard = cf::lock_acquire "exit_prepare:$exit";
1818		2529
1819	# all this does is basically replace the /! path by	2530	# all this does is basically replace the /! path by
1820	# a new random map path (?random/...) with a seed	2531	# a new random map path (?random/...) with a seed
1821	# that depends on the exit object	2532	# that depends on the exit object
1822		2533
1823	my $rmp = parse_random_map_params $exit->msg;	2534	my $rmp = parse_random_map_params $exit->msg;
1824		2535
1825	if ($exit->map) {	2536	if ($exit->map) {
1826	$rmp->{region} = $exit->map->region_name;	2537	$rmp->{region} = $exit->region->name;
1827	$rmp->{origin_map} = $exit->map->path;	2538	$rmp->{origin_map} = $exit->map->path;
1828	$rmp->{origin_x} = $exit->x;	2539	$rmp->{origin_x} = $exit->x;
1829	$rmp->{origin_y} = $exit->y;	2540	$rmp->{origin_y} = $exit->y;
1830	}	2541	}
1831		2542
1832	$rmp->{random_seed} \|\|= $exit->random_seed;	2543	$rmp->{random_seed} \|\|= $exit->random_seed;
1833		2544
1834	my $data = cf::to_json $rmp;	2545	my $data = cf::to_json $rmp;
1835	my $md5 = Digest::MD5::md5_hex $data;	2546	my $md5 = Digest::MD5::md5_hex $data;
		2547	my $meta = "$RANDOMDIR/$md5.meta";
1836		2548
1837	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY \| O_CREAT, 0666) {	2549	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {
1838	aio_write $fh, 0, (length $data), $data, 0;	2550	aio_write $fh, 0, (length $data), $data, 0;
		2551	undef $fh;
		2552	aio_rename "$meta~", $meta;
1839		2553
1840	$exit->slaying ("?random/$md5");	2554	$exit->slaying ("?random/$md5");
1841	$exit->msg (undef);	2555	$exit->msg (undef);
1842	}	2556	}
1843	}	2557	}
…		…
1845	sub cf::object::player::enter_exit {	2559	sub cf::object::player::enter_exit {
1846	my ($self, $exit) = @_;	2560	my ($self, $exit) = @_;
1847		2561
1848	return unless $self->type == cf::PLAYER;	2562	return unless $self->type == cf::PLAYER;
1849		2563
		2564	if ($exit->slaying eq "/!") {
		2565	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2566	# the problem is that $exit might not survive long enough
		2567	# so it needs to be done right now, right here
		2568	cf::sync_job { prepare_random_map $exit };
		2569	}
		2570
		2571	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2572	my $hp = $exit->stats->hp;
		2573	my $sp = $exit->stats->sp;
		2574
1850	$self->enter_link;	2575	$self->enter_link;
		2576
		2577	# if exit is damned, update players death & WoR home-position
		2578	$self->contr->savebed ($slaying, $hp, $sp)
		2579	if $exit->flag (FLAG_DAMNED);
1851		2580
1852	(async {	2581	(async {
1853	$self->deactivate_recursive; # just to be sure	2582	$self->deactivate_recursive; # just to be sure
1854	unless (eval {	2583	unless (eval {
1855	prepare_random_map $exit	2584	$self->goto ($slaying, $hp, $sp);
1856	if $exit->slaying eq "/!";
1857
1858	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1859	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1860		2585
1861	1;	2586	1;
1862	}) {	2587	}) {
1863	$self->message ("Something went wrong deep within the crossfire server. "	2588	$self->message ("Something went wrong deep within the crossfire server. "
1864	. "I'll try to bring you back to the map you were before. "	2589	. "I'll try to bring you back to the map you were before. "
1865	. "Please report this to the dungeon master!",	2590	. "Please report this to the dungeon master!",
1866	cf::NDI_UNIQUE \| cf::NDI_RED);	2591	cf::NDI_UNIQUE \| cf::NDI_RED);
1867		2592
1868	warn "ERROR in enter_exit: $@";	2593	warn "ERROR in enter_exit: $@";
1869	$self->leave_link;	2594	$self->leave_link;
1870	}	2595	}
1871	})->prio (1);	2596	})->prio (1);
…		…
1884		2609
1885	sub cf::client::send_drawinfo {	2610	sub cf::client::send_drawinfo {
1886	my ($self, $text, $flags) = @_;	2611	my ($self, $text, $flags) = @_;
1887		2612
1888	utf8::encode $text;	2613	utf8::encode $text;
1889	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2614	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);
1890	}	2615	}
1891		2616
		2617	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2618
		2619	Send a drawinfo or msg packet to the client, formatting the msg for the
		2620	client if neccessary. C<$type> should be a string identifying the type of
		2621	the message, with C<log> being the default. If C<$color> is negative, suppress
		2622	the message unless the client supports the msg packet.
		2623
		2624	=cut
		2625
		2626	our %CHANNEL = (
		2627	"c/identify" => {
		2628	id => "identify",
		2629	title => "Identify",
		2630	reply => undef,
		2631	tooltip => "Items recently identified",
		2632	},
		2633	"c/examine" => {
		2634	id => "examine",
		2635	title => "Examine",
		2636	reply => undef,
		2637	tooltip => "Signs and other items you examined",
		2638	},
		2639	);
		2640
		2641	sub cf::client::send_msg {
		2642	my ($self, $channel, $msg, $color, @extra) = @_;
		2643
		2644	$msg = $self->pl->expand_cfpod ($msg);
		2645
		2646	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2647
		2648	# check predefined channels, for the benefit of C
		2649	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2650
		2651	if (ref $channel) {
		2652	# send meta info to client, if not yet sent
		2653	unless (exists $self->{channel}{$channel->{id}}) {
		2654	$self->{channel}{$channel->{id}} = $channel;
		2655	$self->ext_msg (channel_info => $channel)
		2656	if $self->can_msg;
		2657	}
		2658
		2659	$channel = $channel->{id};
		2660	}
		2661
		2662	return unless @extra \|\| length $msg;
		2663
		2664	if ($self->can_msg) {
		2665	# default colour, mask it out
		2666	$color &= ~(cf::NDI_COLOR_MASK \| cf::NDI_DEF)
		2667	if $color & cf::NDI_DEF;
		2668
		2669	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2670	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2671	} else {
		2672	if ($color >= 0) {
		2673	# replace some tags by gcfclient-compatible ones
		2674	for ($msg) {
		2675	1 while
		2676	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2677	\|\| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2678	\|\| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2679	\|\| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2680	\|\| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2681	}
		2682
		2683	$color &= cf::NDI_COLOR_MASK;
		2684
		2685	utf8::encode $msg;
		2686
		2687	if (0 && $msg =~ /\[/) {
		2688	# COMMAND/INFO
		2689	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2690	} else {
		2691	$msg =~ s/\[\/?(?:b\|i\|u\|fixed\|color)[^\]]*\]//g;
		2692	$self->send_packet ("drawinfo $color $msg")
		2693	}
		2694	}
		2695	}
		2696	}
		2697
		2698	=item $client->ext_msg ($type, @msg)
		2699
		2700	Sends an ext event to the client.
		2701
		2702	=cut
		2703
		2704	sub cf::client::ext_msg($$@) {
		2705	my ($self, $type, @msg) = @_;
		2706
		2707	if ($self->extcmd == 2) {
		2708	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2709	} elsif ($self->extcmd == 1) { # TODO: remove
		2710	push @msg, msgtype => "event_$type";
		2711	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2712	}
		2713	}
		2714
		2715	=item $client->ext_reply ($msgid, @msg)
		2716
		2717	Sends an ext reply to the client.
		2718
		2719	=cut
		2720
		2721	sub cf::client::ext_reply($$@) {
		2722	my ($self, $id, @msg) = @_;
		2723
		2724	if ($self->extcmd == 2) {
		2725	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2726	} elsif ($self->extcmd == 1) {
		2727	#TODO: version 1, remove
		2728	unshift @msg, msgtype => "reply", msgid => $id;
		2729	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2730	}
		2731	}
1892		2732
1893	=item $success = $client->query ($flags, "text", \&cb)	2733	=item $success = $client->query ($flags, "text", \&cb)
1894		2734
1895	Queues a query to the client, calling the given callback with	2735	Queues a query to the client, calling the given callback with
1896	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2736	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1897	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2737	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1898		2738
1899	Queries can fail, so check the return code. Or don't, as queries will become	2739	Queries can fail, so check the return code. Or don't, as queries will
1900	reliable at some point in the future.	2740	become reliable at some point in the future.
1901		2741
1902	=cut	2742	=cut
1903		2743
1904	sub cf::client::query {	2744	sub cf::client::query {
1905	my ($self, $flags, $text, $cb) = @_;	2745	my ($self, $flags, $text, $cb) = @_;
…		…
1913	utf8::encode $text;	2753	utf8::encode $text;
1914	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2754	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1915		2755
1916	$self->send_packet ($self->{query_queue}[0][0])	2756	$self->send_packet ($self->{query_queue}[0][0])
1917	if @{ $self->{query_queue} } == 1;	2757	if @{ $self->{query_queue} } == 1;
		2758
		2759	1
1918	}	2760	}
1919		2761
1920	cf::client->attach (	2762	cf::client->attach (
		2763	on_connect => sub {
		2764	my ($ns) = @_;
		2765
		2766	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2767	},
1921	on_reply => sub {	2768	on_reply => sub {
1922	my ($ns, $msg) = @_;	2769	my ($ns, $msg) = @_;
1923		2770
1924	# this weird shuffling is so that direct followup queries	2771	# this weird shuffling is so that direct followup queries
1925	# get handled first	2772	# get handled first
1926	my $queue = delete $ns->{query_queue}	2773	my $queue = delete $ns->{query_queue}
1927	or return; # be conservative, not sure how that can happen, but we saw a crash here	2774	or return; # be conservative, not sure how that can happen, but we saw a crash here
1928		2775
1929	(shift @$queue)->[1]->($msg);	2776	(shift @$queue)->[1]->($msg);
		2777	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1930		2778
1931	push @{ $ns->{query_queue} }, @$queue;	2779	push @{ $ns->{query_queue} }, @$queue;
1932		2780
1933	if (@{ $ns->{query_queue} } == @$queue) {	2781	if (@{ $ns->{query_queue} } == @$queue) {
1934	if (@$queue) {	2782	if (@$queue) {
…		…
1936	} else {	2784	} else {
1937	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2785	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1938	}	2786	}
1939	}	2787	}
1940	},	2788	},
		2789	on_exticmd => sub {
		2790	my ($ns, $buf) = @_;
		2791
		2792	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2793
		2794	if (ref $msg) {
		2795	my ($type, $reply, @payload) =
		2796	"ARRAY" eq ref $msg
		2797	? @$msg
		2798	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2799
		2800	my @reply;
		2801
		2802	if (my $cb = $EXTICMD{$type}) {
		2803	@reply = $cb->($ns, @payload);
		2804	}
		2805
		2806	$ns->ext_reply ($reply, @reply)
		2807	if $reply;
		2808
		2809	} else {
		2810	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2811	}
		2812
		2813	cf::override;
		2814	},
1941	);	2815	);
1942		2816
1943	=item $client->async (\&cb)	2817	=item $client->async (\&cb)
1944		2818
1945	Create a new coroutine, running the specified callback. The coroutine will	2819	Create a new coroutine, running the specified callback. The coroutine will
…		…
1986	our $safe = new Safe "safe";	2860	our $safe = new Safe "safe";
1987	our $safe_hole = new Safe::Hole;	2861	our $safe_hole = new Safe::Hole;
1988		2862
1989	$SIG{FPE} = 'IGNORE';	2863	$SIG{FPE} = 'IGNORE';
1990		2864
1991	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2865	$safe->permit_only (Opcode::opset qw(
		2866	:base_core :base_mem :base_orig :base_math
		2867	grepstart grepwhile mapstart mapwhile
		2868	sort time
		2869	));
1992		2870
1993	# here we export the classes and methods available to script code	2871	# here we export the classes and methods available to script code
1994		2872
1995	=pod	2873	=pod
1996		2874
1997	The following fucntions and emthods are available within a safe environment:	2875	The following functions and methods are available within a safe environment:
1998		2876
1999	cf::object contr pay_amount pay_player map	2877	cf::object
		2878	contr pay_amount pay_player map x y force_find force_add
		2879	insert remove name archname title slaying race decrease_ob_nr
		2880
2000	cf::object::player player	2881	cf::object::player
2001	cf::player peaceful	2882	player
2002	cf::map trigger	2883
		2884	cf::player
		2885	peaceful
		2886
		2887	cf::map
		2888	trigger
2003		2889
2004	=cut	2890	=cut
2005		2891
2006	for (	2892	for (
2007	["cf::object" => qw(contr pay_amount pay_player map)],	2893	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2894	insert remove inv name archname title slaying race
		2895	decrease_ob_nr)],
2008	["cf::object::player" => qw(player)],	2896	["cf::object::player" => qw(player)],
2009	["cf::player" => qw(peaceful)],	2897	["cf::player" => qw(peaceful)],
2010	["cf::map" => qw(trigger)],	2898	["cf::map" => qw(trigger)],
2011	) {	2899	) {
2012	no strict 'refs';	2900	no strict 'refs';
…		…
2083	=back	2971	=back
2084		2972
2085	=cut	2973	=cut
2086		2974
2087	#############################################################################	2975	#############################################################################
		2976	# the server's init and main functions
2088		2977
2089	=head2 EXTENSION DATABASE SUPPORT	2978	sub load_facedata($) {
		2979	my ($path) = @_;
2090		2980
2091	Crossfire maintains a very simple database for extension use. It can	2981	# HACK to clear player env face cache, we need some signal framework
2092	currently store anything that can be serialised using Storable, which	2982	# for this (global event?)
2093	excludes objects.	2983	%ext::player_env::MUSIC_FACE_CACHE = ();
2094		2984
2095	The parameter C<$family> should best start with the name of the extension	2985	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2096	using it, it should be unique.
2097		2986
2098	=over 4	2987	warn "loading facedata from $path\n";
2099		2988
2100	=item $hashref = cf::db_get $family	2989	my $facedata;
		2990	0 < aio_load $path, $facedata
		2991	or die "$path: $!";
2101		2992
2102	Return a hashref for use by the extension C<$family>, which can be	2993	$facedata = Coro::Storable::thaw $facedata;
2103	modified. After modifications, you have to call C<cf::db_dirty> or
2104	C<cf::db_sync>.
2105		2994
2106	=item $value = cf::db_get $family => $key	2995	$facedata->{version} == 2
		2996	or cf::cleanup "$path: version mismatch, cannot proceed.";
2107		2997
2108	Returns a single value from the database	2998	# patch in the exptable
2109		2999	$facedata->{resource}{"res/exp_table"} = {
2110	=item cf::db_put $family => $hashref	3000	type => FT_RSRC,
2111		3001	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2112	Stores the given family hashref into the database. Updates are delayed, if
2113	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2114
2115	=item cf::db_put $family => $key => $value
2116
2117	Stores the given C<$value> in the family hash. Updates are delayed, if you
2118	want the data to be synced to disk immediately, use C<cf::db_sync>.
2119
2120	=item cf::db_dirty
2121
2122	Marks the database as dirty, to be updated at a later time.
2123
2124	=item cf::db_sync
2125
2126	Immediately write the database to disk I<if it is dirty>.
2127
2128	=cut
2129
2130	our $DB;
2131
2132	{
2133	my $path = cf::localdir . "/database.pst";
2134
2135	sub db_load() {
2136	$DB = stat $path ? Storable::retrieve $path : { };
2137	}
2138
2139	my $pid;
2140
2141	sub db_save() {
2142	waitpid $pid, 0 if $pid;
2143	if (0 == ($pid = fork)) {
2144	$DB->{_meta}{version} = 1;
2145	Storable::nstore $DB, "$path~";
2146	rename "$path~", $path;
2147	cf::_exit 0 if defined $pid;
2148	}
2149	}
2150
2151	my $dirty;
2152
2153	sub db_sync() {
2154	db_save if $dirty;
2155	undef $dirty;
2156	}
2157
2158	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2159	db_sync;
2160	});	3002	};
		3003	cf::cede_to_tick;
2161		3004
2162	sub db_dirty() {
2163	$dirty = 1;
2164	$idle->start;
2165	}	3005	{
		3006	my $faces = $facedata->{faceinfo};
2166		3007
2167	sub db_get($;$) {	3008	while (my ($face, $info) = each %$faces) {
2168	@_ >= 2	3009	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;
2169	? $DB->{$_[0]}{$_[1]}	3010	cf::face::set_visibility $idx, $info->{visibility};
2170	: ($DB->{$_[0]} \|\|= { })	3011	cf::face::set_magicmap $idx, $info->{magicmap};
2171	}	3012	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3013	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2172		3014
2173	sub db_put($$;$) {	3015	cf::cede_to_tick;
2174	if (@_ >= 3) {
2175	$DB->{$_[0]}{$_[1]} = $_[2];
2176	} else {
2177	$DB->{$_[0]} = $_[1];
2178	}
2179	db_dirty;
2180	}
2181
2182	cf::global->attach (
2183	prio => 10000,
2184	on_cleanup => sub {
2185	db_sync;
2186	},	3016	}
2187	);
2188	}
2189		3017
2190	#############################################################################	3018	while (my ($face, $info) = each %$faces) {
2191	# the server's main()	3019	next unless $info->{smooth};
		3020	my $idx = cf::face::find $face
		3021	or next;
		3022	if (my $smooth = cf::face::find $info->{smooth}) {
		3023	cf::face::set_smooth $idx, $smooth;
		3024	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3025	} else {
		3026	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3027	}
2192		3028
2193	sub cfg_load {	3029	cf::cede_to_tick;
		3030	}
		3031	}
		3032
		3033	{
		3034	my $anims = $facedata->{animinfo};
		3035
		3036	while (my ($anim, $info) = each %$anims) {
		3037	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3038	cf::cede_to_tick;
		3039	}
		3040
		3041	cf::anim::invalidate_all; # d'oh
		3042	}
		3043
		3044	{
		3045	# TODO: for gcfclient pleasure, we should give resources
		3046	# that gcfclient doesn't grok a >10000 face index.
		3047	my $res = $facedata->{resource};
		3048
		3049	my $soundconf = delete $res->{"res/sound.conf"};
		3050
		3051	while (my ($name, $info) = each %$res) {
		3052	my $idx = (cf::face::find $name) \|\| cf::face::alloc $name;
		3053	my $data;
		3054
		3055	if ($info->{type} & 1) {
		3056	# prepend meta info
		3057
		3058	my $meta = $enc->encode ({
		3059	name => $name,
		3060	%{ $info->{meta} \|\| {} },
		3061	});
		3062
		3063	$data = pack "(w/a)", $meta, $info->{data};
		3064	} else {
		3065	$data = $info->{data};
		3066	}
		3067
		3068	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3069	cf::face::set_type $idx, $info->{type};
		3070
		3071	cf::cede_to_tick;
		3072	}
		3073
		3074	if ($soundconf) {
		3075	$soundconf = $enc->decode (delete $soundconf->{data});
		3076
		3077	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3078	my $sound = $soundconf->{compat}[$_]
		3079	or next;
		3080
		3081	my $face = cf::face::find "sound/$sound->[1]";
		3082	cf::sound::set $sound->[0] => $face;
		3083	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3084	}
		3085
		3086	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3087	my $face = cf::face::find "sound/$v";
		3088	cf::sound::set $k => $face;
		3089	}
		3090	}
		3091	}
		3092
		3093	1
		3094	}
		3095
		3096	register_exticmd fx_want => sub {
		3097	my ($ns, $want) = @_;
		3098
		3099	while (my ($k, $v) = each %$want) {
		3100	$ns->fx_want ($k, $v);
		3101	}
		3102	};
		3103
		3104	sub reload_regions {
		3105	# HACK to clear player env face cache, we need some signal framework
		3106	# for this (global event?)
		3107	%ext::player_env::MUSIC_FACE_CACHE = ();
		3108
		3109	load_resource_file "$MAPDIR/regions"
		3110	or die "unable to load regions file\n";
		3111
		3112	for (cf::region::list) {
		3113	$_->{match} = qr/$_->{match}/
		3114	if exists $_->{match};
		3115	}
		3116	}
		3117
		3118	sub reload_facedata {
		3119	load_facedata "$DATADIR/facedata"
		3120	or die "unable to load facedata\n";
		3121	}
		3122
		3123	sub reload_archetypes {
		3124	load_resource_file "$DATADIR/archetypes"
		3125	or die "unable to load archetypes\n";
		3126	#d# NEED to laod twice to resolve forward references
		3127	# this really needs to be done in an extra post-pass
		3128	# (which needs to be synchronous, so solve it differently)
		3129	load_resource_file "$DATADIR/archetypes"
		3130	or die "unable to load archetypes\n";
		3131	}
		3132
		3133	sub reload_treasures {
		3134	load_resource_file "$DATADIR/treasures"
		3135	or die "unable to load treasurelists\n";
		3136	}
		3137
		3138	sub reload_resources {
		3139	warn "reloading resource files...\n";
		3140
		3141	reload_regions;
		3142	reload_facedata;
		3143	#reload_archetypes;#d#
		3144	reload_archetypes;
		3145	reload_treasures;
		3146
		3147	warn "finished reloading resource files\n";
		3148	}
		3149
		3150	sub init {
		3151	reload_resources;
		3152	}
		3153
		3154	sub reload_config {
2194	open my $fh, "<:utf8", cf::confdir . "/config"	3155	open my $fh, "<:utf8", "$CONFDIR/config"
2195	or return;	3156	or return;
2196		3157
2197	local $/;	3158	local $/;
2198	*CFG = YAML::Syck::Load <$fh>;	3159	*CFG = YAML::Syck::Load <$fh>;
2199		3160
…		…
2213		3174
2214	sub main {	3175	sub main {
2215	# we must not ever block the main coroutine	3176	# we must not ever block the main coroutine
2216	local $Coro::idle = sub {	3177	local $Coro::idle = sub {
2217	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3178	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3179	(async {
2218	async { Event::one_event };	3180	Event::one_event;
		3181	})->prio (Coro::PRIO_MAX);
2219	};	3182	};
2220		3183
2221	cfg_load;	3184	reload_config;
2222	db_load;	3185	db_init;
2223	load_extensions;	3186	load_extensions;
		3187
		3188	$TICK_WATCHER->start;
2224	Event::loop;	3189	Event::loop;
2225	}	3190	}
2226		3191
2227	#############################################################################	3192	#############################################################################
2228	# initialisation and cleanup	3193	# initialisation and cleanup
2229		3194
2230	# install some emergency cleanup handlers	3195	# install some emergency cleanup handlers
2231	BEGIN {	3196	BEGIN {
2232	for my $signal (qw(INT HUP TERM)) {	3197	for my $signal (qw(INT HUP TERM)) {
2233	Event->signal (	3198	Event->signal (
		3199	reentrant => 0,
2234	data => WF_AUTOCANCEL,	3200	data => WF_AUTOCANCEL,
2235	signal => $signal,	3201	signal => $signal,
		3202	prio => 0,
2236	cb => sub {	3203	cb => sub {
2237	cf::cleanup "SIG$signal";	3204	cf::cleanup "SIG$signal";
2238	},	3205	},
2239	);	3206	);
2240	}	3207	}
		3208	}
		3209
		3210	sub write_runtime {
		3211	my $runtime = "$LOCALDIR/runtime";
		3212
		3213	# first touch the runtime file to show we are still running:
		3214	# the fsync below can take a very very long time.
		3215
		3216	IO::AIO::aio_utime $runtime, undef, undef;
		3217
		3218	my $guard = cf::lock_acquire "write_runtime";
		3219
		3220	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
		3221	or return;
		3222
		3223	my $value = $cf::RUNTIME + 90 + 10;
		3224	# 10 is the runtime save interval, for a monotonic clock
		3225	# 60 allows for the watchdog to kill the server.
		3226
		3227	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3228	and return;
		3229
		3230	# always fsync - this file is important
		3231	aio_fsync $fh
		3232	and return;
		3233
		3234	# touch it again to show we are up-to-date
		3235	aio_utime $fh, undef, undef;
		3236
		3237	close $fh
		3238	or return;
		3239
		3240	aio_rename "$runtime~", $runtime
		3241	and return;
		3242
		3243	warn "runtime file written.\n";
		3244
		3245	1
2241	}	3246	}
2242		3247
2243	sub emergency_save() {	3248	sub emergency_save() {
2244	my $freeze_guard = cf::freeze_mainloop;	3249	my $freeze_guard = cf::freeze_mainloop;
2245		3250
…		…
2262	my $map = $cf::MAP{$path} or next;	3267	my $map = $cf::MAP{$path} or next;
2263	$map->valid or next;	3268	$map->valid or next;
2264	$map->save;	3269	$map->save;
2265	}	3270	}
2266	warn "end emergency map save\n";	3271	warn "end emergency map save\n";
		3272
		3273	warn "begin emergency database checkpoint\n";
		3274	BDB::db_env_txn_checkpoint $DB_ENV;
		3275	warn "end emergency database checkpoint\n";
2267	};	3276	};
2268		3277
2269	warn "leave emergency perl save\n";	3278	warn "leave emergency perl save\n";
2270	}	3279	}
2271		3280
		3281	sub post_cleanup {
		3282	my ($make_core) = @_;
		3283
		3284	warn Carp::longmess "post_cleanup backtrace"
		3285	if $make_core;
		3286	}
		3287
2272	sub reload() {	3288	sub do_reload_perl() {
2273	# can/must only be called in main	3289	# can/must only be called in main
2274	if ($Coro::current != $Coro::main) {	3290	if ($Coro::current != $Coro::main) {
2275	warn "can only reload from main coroutine\n";	3291	warn "can only reload from main coroutine";
2276	return;	3292	return;
2277	}	3293	}
2278		3294
2279	warn "reloading...";	3295	warn "reloading...";
2280		3296
2281	warn "freezing server";	3297	warn "entering sync_job";
2282	my $guard = freeze_mainloop;	3298
		3299	cf::sync_job {
		3300	cf::write_runtime; # external watchdog should not bark
2283	cf::emergency_save;	3301	cf::emergency_save;
		3302	cf::write_runtime; # external watchdog should not bark
2284		3303
2285	warn "sync database to disk";	3304	warn "syncing database to disk";
2286	cf::db_sync;	3305	BDB::db_env_txn_checkpoint $DB_ENV;
2287	IO::AIO::flush;
2288		3306
2289	eval {
2290	# if anything goes wrong in here, we should simply crash as we already saved	3307	# if anything goes wrong in here, we should simply crash as we already saved
2291		3308
2292	warn "cancel all watchers";	3309	warn "cancelling all WF_AUTOCANCEL watchers";
2293	for (Event::all_watchers) {	3310	for (Event::all_watchers) {
2294	$_->cancel if $_->data & WF_AUTOCANCEL;	3311	$_->cancel if $_->data & WF_AUTOCANCEL;
2295	}	3312	}
2296		3313
		3314	warn "flushing outstanding aio requests";
		3315	for (;;) {
		3316	BDB::flush;
		3317	IO::AIO::flush;
		3318	Coro::cede;
		3319	last unless IO::AIO::nreqs \|\| BDB::nreqs;
		3320	warn "iterate...";
		3321	}
		3322
		3323	++$RELOAD;
		3324
2297	warn "cancel all extension coros";	3325	warn "cancelling all extension coros";
2298	$_->cancel for values %EXT_CORO;	3326	$_->cancel for values %EXT_CORO;
2299	%EXT_CORO = ();	3327	%EXT_CORO = ();
2300		3328
2301	warn "remove commands";	3329	warn "removing commands";
2302	%COMMAND = ();	3330	%COMMAND = ();
2303		3331
2304	warn "remove ext commands";	3332	warn "removing ext/exti commands";
2305	%EXTCMD = ();	3333	%EXTCMD = ();
		3334	%EXTICMD = ();
2306		3335
2307	warn "unload/nuke all extensions";	3336	warn "unloading/nuking all extensions";
2308	for my $pkg (@EXTS) {	3337	for my $pkg (@EXTS) {
2309	warn "... unloading $pkg";	3338	warn "... unloading $pkg";
2310		3339
2311	if (my $cb = $pkg->can ("unload")) {	3340	if (my $cb = $pkg->can ("unload")) {
2312	eval {	3341	eval {
…		…
2317		3346
2318	warn "... nuking $pkg";	3347	warn "... nuking $pkg";
2319	Symbol::delete_package $pkg;	3348	Symbol::delete_package $pkg;
2320	}	3349	}
2321		3350
2322	warn "unload all perl modules loaded from $LIBDIR";	3351	warn "unloading all perl modules loaded from $LIBDIR";
2323	while (my ($k, $v) = each %INC) {	3352	while (my ($k, $v) = each %INC) {
2324	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3353	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2325		3354
2326	warn "removing <$k>";	3355	warn "... unloading $k";
2327	delete $INC{$k};	3356	delete $INC{$k};
2328		3357
2329	$k =~ s/\.pm$//;	3358	$k =~ s/\.pm$//;
2330	$k =~ s/\//::/g;	3359	$k =~ s/\//::/g;
2331		3360
…		…
2334	}	3363	}
2335		3364
2336	Symbol::delete_package $k;	3365	Symbol::delete_package $k;
2337	}	3366	}
2338		3367
2339	warn "get rid of safe::, as good as possible";	3368	warn "getting rid of safe::, as good as possible";
2340	Symbol::delete_package "safe::$_"	3369	Symbol::delete_package "safe::$_"
2341	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3370	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2342		3371
2343	warn "unload cf.pm \"a bit\"";	3372	warn "unloading cf.pm \"a bit\"";
2344	delete $INC{"cf.pm"};	3373	delete $INC{"cf.pm"};
		3374	delete $INC{"cf/pod.pm"};
2345		3375
2346	# don't, removes xs symbols, too,	3376	# don't, removes xs symbols, too,
2347	# and global variables created in xs	3377	# and global variables created in xs
2348	#Symbol::delete_package __PACKAGE__;	3378	#Symbol::delete_package __PACKAGE__;
2349		3379
		3380	warn "unload completed, starting to reload now";
		3381
2350	warn "reloading cf.pm";	3382	warn "reloading cf.pm";
2351	require cf;	3383	require cf;
2352	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3384	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2353		3385
2354	warn "load config and database again";	3386	warn "loading config and database again";
2355	cf::cfg_load;	3387	cf::reload_config;
2356	cf::db_load;
2357		3388
2358	warn "load extensions";	3389	warn "loading extensions";
2359	cf::load_extensions;	3390	cf::load_extensions;
2360		3391
2361	warn "reattach attachments to objects/players";	3392	warn "reattaching attachments to objects/players";
2362	_global_reattach;	3393	_global_reattach; # objects, sockets
2363	warn "reattach attachments to maps";	3394	warn "reattaching attachments to maps";
2364	reattach $_ for values %MAP;	3395	reattach $_ for values %MAP;
2365	};	3396	warn "reattaching attachments to players";
		3397	reattach $_ for values %PLAYER;
2366		3398
2367	if ($@) {	3399	warn "leaving sync_job";
		3400
		3401	1
		3402	} or do {
2368	warn $@;	3403	warn $@;
2369	warn "error while reloading, exiting.";	3404	warn "error while reloading, exiting.";
2370	exit 1;	3405	exit 1;
2371	}	3406	};
2372		3407
2373	warn "reloaded";	3408	warn "reloaded";
2374	};	3409	};
2375		3410
		3411	our $RELOAD_WATCHER; # used only during reload
		3412
		3413	sub reload_perl() {
		3414	# doing reload synchronously and two reloads happen back-to-back,
		3415	# coro crashes during coro_state_free->destroy here.
		3416
		3417	$RELOAD_WATCHER \|\|= Event->timer (
		3418	reentrant => 0,
		3419	after => 0,
		3420	data => WF_AUTOCANCEL,
		3421	cb => sub {
		3422	do_reload_perl;
		3423	undef $RELOAD_WATCHER;
		3424	},
		3425	);
		3426	}
		3427
2376	register_command "reload" => sub {	3428	register_command "reload" => sub {
2377	my ($who, $arg) = @_;	3429	my ($who, $arg) = @_;
2378		3430
2379	if ($who->flag (FLAG_WIZ)) {	3431	if ($who->flag (FLAG_WIZ)) {
2380	$who->message ("start of reload.");
2381	reload;
2382	$who->message ("end of reload.");	3432	$who->message ("reloading server.");
		3433	async { reload_perl };
2383	}	3434	}
2384	};	3435	};
2385		3436
2386	unshift @INC, $LIBDIR;	3437	unshift @INC, $LIBDIR;
		3438
		3439	my $bug_warning = 0;
		3440
		3441	our @WAIT_FOR_TICK;
		3442	our @WAIT_FOR_TICK_BEGIN;
		3443
		3444	sub wait_for_tick {
		3445	return unless $TICK_WATCHER->is_active;
		3446	return if $Coro::current == $Coro::main;
		3447
		3448	my $signal = new Coro::Signal;
		3449	push @WAIT_FOR_TICK, $signal;
		3450	$signal->wait;
		3451	}
		3452
		3453	sub wait_for_tick_begin {
		3454	return unless $TICK_WATCHER->is_active;
		3455	return if $Coro::current == $Coro::main;
		3456
		3457	my $signal = new Coro::Signal;
		3458	push @WAIT_FOR_TICK_BEGIN, $signal;
		3459	$signal->wait;
		3460	}
2387		3461
2388	$TICK_WATCHER = Event->timer (	3462	$TICK_WATCHER = Event->timer (
2389	reentrant => 0,	3463	reentrant => 0,
		3464	parked => 1,
2390	prio => 0,	3465	prio => 0,
2391	at => $NEXT_TICK \|\| $TICK,	3466	at => $NEXT_TICK \|\| $TICK,
2392	data => WF_AUTOCANCEL,	3467	data => WF_AUTOCANCEL,
2393	cb => sub {	3468	cb => sub {
		3469	if ($Coro::current != $Coro::main) {
		3470	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3471	unless ++$bug_warning > 10;
		3472	return;
		3473	}
		3474
2394	$NOW = Event::time;	3475	$NOW = $tick_start = Event::time;
2395		3476
2396	cf::server_tick; # one server iteration	3477	cf::server_tick; # one server iteration
		3478
2397	$RUNTIME += $TICK;	3479	$RUNTIME += $TICK;
2398	$NEXT_TICK += $TICK;	3480	$NEXT_TICK += $TICK;
2399		3481
2400	$WAIT_FOR_TICK->broadcast;	3482	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2401	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3483	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3484	Coro::async_pool {
		3485	write_runtime
		3486	or warn "ERROR: unable to write runtime file: $!";
		3487	};
		3488	}
		3489
		3490	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3491	$sig->send;
		3492	}
		3493	while (my $sig = shift @WAIT_FOR_TICK) {
		3494	$sig->send;
		3495	}
		3496
		3497	$NOW = Event::time;
2402		3498
2403	# if we are delayed by four ticks or more, skip them all	3499	# if we are delayed by four ticks or more, skip them all
2404	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3500	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2405		3501
2406	$TICK_WATCHER->at ($NEXT_TICK);	3502	$TICK_WATCHER->at ($NEXT_TICK);
2407	$TICK_WATCHER->start;	3503	$TICK_WATCHER->start;
		3504
		3505	$LOAD = ($NOW - $tick_start) / $TICK;
		3506	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3507
		3508	_post_tick;
2408	},	3509	},
2409	);	3510	);
2410		3511
		3512	{
		3513	BDB::min_parallel 8;
		3514	BDB::max_poll_time $TICK * 0.1;
		3515	$BDB_POLL_WATCHER = Event->io (
		3516	reentrant => 0,
		3517	fd => BDB::poll_fileno,
		3518	poll => 'r',
		3519	prio => 0,
		3520	data => WF_AUTOCANCEL,
		3521	cb => \&BDB::poll_cb,
		3522	);
		3523
		3524	BDB::set_sync_prepare {
		3525	my $status;
		3526	my $current = $Coro::current;
		3527	(
		3528	sub {
		3529	$status = $!;
		3530	$current->ready; undef $current;
		3531	},
		3532	sub {
		3533	Coro::schedule while defined $current;
		3534	$! = $status;
		3535	},
		3536	)
		3537	};
		3538
		3539	unless ($DB_ENV) {
		3540	$DB_ENV = BDB::db_env_create;
		3541	$DB_ENV->set_flags (BDB::AUTO_COMMIT \| BDB::REGION_INIT \| BDB::TXN_NOSYNC
		3542	\| BDB::LOG_AUTOREMOVE, 1);
		3543	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3544	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3545
		3546	cf::sync_job {
		3547	eval {
		3548	BDB::db_env_open
		3549	$DB_ENV,
		3550	$BDBDIR,
		3551	BDB::INIT_LOCK \| BDB::INIT_LOG \| BDB::INIT_MPOOL \| BDB::INIT_TXN
		3552	\| BDB::RECOVER \| BDB::REGISTER \| BDB::USE_ENVIRON \| BDB::CREATE,
		3553	0666;
		3554
		3555	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3556	};
		3557
		3558	cf::cleanup "db_env_open(db): $@" if $@;
		3559	};
		3560	}
		3561
		3562	$BDB_DEADLOCK_WATCHER = Event->timer (
		3563	after => 3,
		3564	interval => 1,
		3565	hard => 1,
		3566	prio => 0,
		3567	data => WF_AUTOCANCEL,
		3568	cb => sub {
		3569	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3570	},
		3571	);
		3572	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3573	after => 11,
		3574	interval => 60,
		3575	hard => 1,
		3576	prio => 0,
		3577	data => WF_AUTOCANCEL,
		3578	cb => sub {
		3579	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3580	},
		3581	);
		3582	$BDB_TRICKLE_WATCHER = Event->timer (
		3583	after => 5,
		3584	interval => 10,
		3585	hard => 1,
		3586	prio => 0,
		3587	data => WF_AUTOCANCEL,
		3588	cb => sub {
		3589	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3590	},
		3591	);
		3592	}
		3593
		3594	{
		3595	IO::AIO::min_parallel 8;
		3596
		3597	undef $Coro::AIO::WATCHER;
2411	IO::AIO::max_poll_time $TICK * 0.2;	3598	IO::AIO::max_poll_time $TICK * 0.1;
2412
2413	$AIO_POLL_WATCHER = Event->io (	3599	$AIO_POLL_WATCHER = Event->io (
2414	fd => IO::AIO::poll_fileno,	3600	reentrant => 0,
2415	poll => 'r',
2416	prio => 5,
2417	data => WF_AUTOCANCEL,
2418	cb => \&IO::AIO::poll_cb,
2419	);
2420
2421	$WRITE_RUNTIME_WATCHER = Event->timer (
2422	data => WF_AUTOCANCEL,	3601	data => WF_AUTOCANCEL,
2423	after => 0,	3602	fd => IO::AIO::poll_fileno,
2424	interval => 10,	3603	poll => 'r',
2425	cb => sub {	3604	prio => 6,
2426	(Coro::unblock_sub {	3605	cb => \&IO::AIO::poll_cb,
2427	write_runtime	3606	);
2428	or warn "ERROR: unable to write runtime file: $!";	3607	}
		3608
		3609	my $_log_backtrace;
		3610
		3611	sub _log_backtrace {
		3612	my ($msg, @addr) = @_;
		3613
		3614	$msg =~ s/\n//;
		3615
		3616	# limit the # of concurrent backtraces
		3617	if ($_log_backtrace < 2) {
		3618	++$_log_backtrace;
		3619	async {
		3620	my @bt = fork_call {
		3621	@addr = map { sprintf "%x", $_ } @addr;
		3622	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3623	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 \|"
		3624	or die "addr2line: $!";
		3625
		3626	my @funcs;
		3627	my @res = <$fh>;
		3628	chomp for @res;
		3629	while (@res) {
		3630	my ($func, $line) = splice @res, 0, 2, ();
		3631	push @funcs, "[$func] $line";
		3632	}
		3633
		3634	@funcs
		3635	};
		3636
		3637	LOG llevInfo, "[ABT] $msg\n";
		3638	LOG llevInfo, "[ABT] $_\n" for @bt;
		3639	--$_log_backtrace;
2429	})->();	3640	};
		3641	} else {
		3642	LOG llevInfo, "[ABT] $msg\n";
		3643	LOG llevInfo, "[ABT] [suppressed]\n";
2430	},	3644	}
2431	);	3645	}
		3646
		3647	# load additional modules
		3648	use cf::pod;
2432		3649
2433	END { cf::emergency_save }	3650	END { cf::emergency_save }
2434		3651
2435	1	3652	1
2436		3653

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+Removed lines
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+Changed lines
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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.169 by root, Sun Jan 14 01:09:46 2007 UTC vs. Revision 1.373 by root, Sat Sep 15 15:58:06 2007 UTC

Diff Legend

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.169 by root, Sun Jan 14 01:09:46 2007 UTC vs.
Revision 1.373 by root, Sat Sep 15 15:58:06 2007 UTC