ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.202 by root, Mon Jan 29 20:16:28 2007 UTC vs.
Revision 1.338 by root, Tue Aug 21 01:07:47 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 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 1.4 ();
		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 $DB_ENV;
53		86
54	our %CFG;	87	our %CFG;
55		88
56	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	90	our $RUNTIME;
58		91
59	our %PLAYER; # all users	92	our %PLAYER; # all users
60	our %MAP; # all maps	93	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	94	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		95
67	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
70	binmode STDOUT;	103	binmode STDOUT;
71	binmode STDERR;	104	binmode STDERR;
72		105
73	# read virtual server time, if available	106	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
78	}	111	}
79		112
80	mkdir cf::localdir;	113	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		115
86	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
87		117
88	sub cf::map::normalise;	118	sub cf::map::normalise;
89		119
…		…
100	=item $cf::RUNTIME	130	=item $cf::RUNTIME
101		131
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	133	every server tick.
104		134
105	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		138
107	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
109		143
110	=item $cf::NOW	144	=item $cf::NOW
111		145
112	The time of the last (current) server tick.	146	The time of the last (current) server tick.
113		147
114	=item $cf::TICK	148	=item $cf::TICK
115		149
116	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
117		161
118	=item %cf::CFG	162	=item %cf::CFG
119		163
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
121	from wherever your confdir points to.	165	from wherever your confdir points to.
122		166
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		168
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
127	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
129		178
130	=back	179	=back
131		180
132	=cut	181	=cut
133		182
134	BEGIN {	183	BEGIN {
135	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	185	my $msg = join "", @_;
137	utf8::encode $msg;
138		186
139	$msg .= "\n"	187	$msg .= "\n"
140	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
141		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
142	LOG llevError, $msg;	193	LOG llevError, $msg;
143	};	194	};
144	}	195	}
145		196
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		204
153	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	206	# within the Safe compartment.
155	for my $pkg (qw(	207	for my $pkg (qw(
156	cf::global cf::attachable	208	cf::global cf::attachable
…		…
164	}	216	}
165		217
166	$Event::DIED = sub {	218	$Event::DIED = sub {
167	warn "error in event callback: @_";	219	warn "error in event callback: @_";
168	};	220	};
		221
		222	#############################################################################
169		223
170	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
171		225
172	=over 4	226	=over 4
173		227
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	247	$d
194	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
195	}	249	}
196		250
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
200		252
201	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
202		254
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
211		256
212	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
213		258
214	=cut	259	=cut
215		260
216	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
218	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
219	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
220		265
221	=item cf::lock_wait $string	266	=item cf::lock_wait $string
222		267
223	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
224		269
…		…
230	returned.	275	returned.
231		276
232	Lock names should begin with a unique identifier (for example, cf::map::find	277	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
234		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
235	=cut	284	=cut
236		285
237	our %LOCK;	286	our %LOCK;
238		287
239	sub lock_wait($) {	288	sub lock_wait($) {
…		…
258	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
260	}	309	}
261	}	310	}
262		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
263	sub freeze_mainloop {	318	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
265		320
266	my $guard = Coro::guard {	321	my $guard = Coro::guard {
267	$TICK_WATCHER->start;	322	$TICK_WATCHER->start;
268	$WRITE_RUNTIME_WATCHER->start;
269	};	323	};
270	$WRITE_RUNTIME_WATCHER->stop;
271	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
272	$guard	325	$guard
		326	}
		327
		328	=item cf::get_slot $time[, $priority[, $name]]
		329
		330	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		331	This call blocks and returns only when you have at least C<$time> seconds
		332	of cpu time till the next tick. The slot is only valid till the next cede.
		333
		334	The optional C<$name> can be used to identify the job to run. It might be
		335	used for statistical purposes and should identify the same time-class.
		336
		337	Useful for short background jobs.
		338
		339	=cut
		340
		341	our @SLOT_QUEUE;
		342	our $SLOT_QUEUE;
		343
		344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		345	$SLOT_QUEUE = Coro::async {
		346	my $signal = new Coro::Signal;
		347
		348	while () {
		349	next_job:
		350	my $avail = cf::till_tick;
		351	if ($avail > 0.01) {
		352	for (0 .. $#SLOT_QUEUE) {
		353	if ($SLOT_QUEUE[$_][0] < $avail) {
		354	my $job = splice @SLOT_QUEUE, $_, 1, ();
		355	$job->[2]->send;
		356	Coro::cede;
		357	goto next_job;
		358	}
		359	}
		360	}
		361
		362	if (@SLOT_QUEUE) {
		363	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		364	push @cf::WAIT_FOR_TICK, $signal;
		365	$signal->wait;
		366	} else {
		367	Coro::schedule;
		368	}
		369	}
		370	};
		371
		372	sub get_slot($;$$) {
		373	my ($time, $pri, $name) = @_;
		374
		375	$time = $TICK * .6 if $time > $TICK * .6;
		376	my $sig = new Coro::Signal;
		377
		378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		380	$SLOT_QUEUE->ready;
		381	$sig->wait;
273	}	382	}
274		383
275	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
276		385
277	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		391
283	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
284		393
285	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
286		395
287	The design of crossfire+ requires that the main coro ($Coro::main) is	396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	397	is always able to handle events or runnable, as Crossfire TRT is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		399	acceptable.
290		400
291	If it must be done, put the blocking parts into C<sync_job>. This will run	401	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	402	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	403	server will be frozen during this time, so the block should either finish
294	fast or be very important.	404	fast or be very important.
…		…
297		407
298	sub sync_job(&) {	408	sub sync_job(&) {
299	my ($job) = @_;	409	my ($job) = @_;
300		410
301	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
302	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
304		416
305	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
317		429
318	while ($busy) {	430	while ($busy) {
319	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
320	}	432	}
321		433
		434	$time = Event::time - $time;
		435
		436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		438
		439	$tick_start += $time; # do not account sync jobs to server load
		440
322	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
323	} else {	442	} else {
324	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
325		444
326	$job->()	445	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
346		465
347	$coro	466	$coro
348	}	467	}
349		468
350	sub write_runtime {	469	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		470
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	471	Executes the given code block with the given arguments in a seperate
354	or return;	472	process, returning the results. Everything must be serialisable with
		473	Coro::Storable. May, of course, block. Note that the executed sub may
		474	never block itself or use any form of Event handling.
355		475
356	my $value = $cf::RUNTIME + 90 + 10;	476	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		477
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	478	sub fork_call(&@) {
361	and return;	479	my ($cb, @args) = @_;
362		480
363	aio_fsync $fh	481	# we seemingly have to make a local copy of the whole thing,
364	and return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
365		484
366	close $fh	485	my @res = Coro::Util::fork_eval {
367	or return;	486	reset_signals;
		487	&$cb
		488	}, @args;
368		489
369	aio_rename "$runtime~", $runtime	490	wantarray ? @res : $res[-1]
370	and return;	491	}
371		492
		493	=item $value = cf::db_get $family => $key
		494
		495	Returns a single value from the environment database.
		496
		497	=item cf::db_put $family => $key => $value
		498
		499	Stores the given C<$value> in the family. It can currently store binary
		500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		501
		502	=cut
		503
		504	our $DB;
		505
		506	sub db_init {
		507	unless ($DB) {
		508	$DB = BDB::db_create $DB_ENV;
		509
		510	cf::sync_job {
		511	eval {
		512	$DB->set_flags (BDB::CHKSUM);
		513
		514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		516	cf::cleanup "db_open(db): $!" if $!;
		517	};
		518	cf::cleanup "db_open(db): $@" if $@;
		519	};
372	1	520	}
		521	}
		522
		523	sub db_get($$) {
		524	my $key = "$_[0]/$_[1]";
		525
		526	cf::sync_job {
		527	BDB::db_get $DB, undef, $key, my $data;
		528
		529	$! ? ()
		530	: $data
		531	}
		532	}
		533
		534	sub db_put($$$) {
		535	BDB::dbreq_pri 4;
		536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		537	}
		538
		539	=item cf::cache $id => [$paths...], $processversion => $process
		540
		541	Generic caching function that returns the value of the resource $id,
		542	caching and regenerating as required.
		543
		544	This function can block.
		545
		546	=cut
		547
		548	sub cache {
		549	my ($id, $src, $processversion, $process) = @_;
		550
		551	my $meta =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	aio_stat $_
		556	and Carp::croak "$_: $!";
		557
		558	($_, (stat _)[7,9])
		559	} @$src;
		560
		561	my $dbmeta = db_get cache => "$id/meta";
		562	if ($dbmeta ne $meta) {
		563	# changed, we may need to process
		564
		565	my @data;
		566	my $md5;
		567
		568	for (0 .. $#$src) {
		569	0 <= aio_load $src->[$_], $data[$_]
		570	or Carp::croak "$src->[$_]: $!";
		571	}
		572
		573	# if processing is expensive, check
		574	# checksum first
		575	if (1) {
		576	$md5 =
		577	join "\x00",
		578	$processversion,
		579	map {
		580	Coro::cede;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
		607	}
		608
		609	=item cf::datalog type => key => value, ...
		610
		611	Log a datalog packet of the given type with the given key-value pairs.
		612
		613	=cut
		614
		615	sub datalog($@) {
		616	my ($type, %kv) = @_;
		617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	618	}
374		619
375	=back	620	=back
376		621
377	=cut	622	=cut
…		…
384	attach callbacks/event handlers (a collection of which is called an "attachment")	629	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
386		631
387	In the following description, CLASS can be any of C<global>, C<object>	632	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	633	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	634	Crossfire TRT).
390		635
391	=over 4	636	=over 4
392		637
393	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
394		639
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
558		803
559	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		808
564	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	810	my $pkg = shift @arg;
566		811
567	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
597	}	842	}
598		843
599	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
600	} else {	845	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	847	}
603		848
604	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
605	}	850	}
606		851
…		…
608	if (ref $_[0]) {	853	if (ref $_[0]) {
609	_object_attach @_;	854	_object_attach @_;
610	} else {	855	} else {
611	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
612	}	857	}
		858	_recalc_want;
613	};	859	};
614		860
615	# all those should be optimised	861	# all those should be optimised
616	sub cf::attachable::detach {	862	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
621	reattach ($obj);	867	reattach ($obj);
622	} else {	868	} else {
623	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
624	}	870	}
		871	_recalc_want;
625	};	872	};
626		873
627	sub cf::attachable::attached {	874	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
629		876
…		…
644	";	891	";
645	die if $@;	892	die if $@;
646	}	893	}
647		894
648	our $override;	895	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	896	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		897
651	sub override {	898	sub override {
652	$override = 1;	899	$override = 1;
653	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
654	}	901	}
655		902
656	sub do_invoke {	903	sub do_invoke {
657	my $event = shift;	904	my $event = shift;
658	my $callbacks = shift;	905	my $callbacks = shift;
659		906
660	@invoke_results = ();	907	@INVOKE_RESULTS = ();
661		908
662	local $override;	909	local $override;
663		910
664	for (@$callbacks) {	911	for (@$callbacks) {
665	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
682		929
683	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
684		931
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	932	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	933	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		935
689	=back	936	=back
690		937
691	=cut	938	=cut
692		939
693	#############################################################################	940	#############################################################################
694	# object support	941	# object support
		942	#
		943
		944	sub _can_merge {
		945	my ($ob1, $ob2) = @_;
		946
		947	local $Storable::canonical = 1;
		948	my $fob1 = Storable::freeze $ob1;
		949	my $fob2 = Storable::freeze $ob2;
		950
		951	$fob1 eq $fob2
		952	}
695		953
696	sub reattach {	954	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	956	my ($obj) = @_;
699		957
…		…
752	$filename, length $$rdata, scalar @$objs;	1010	$filename, length $$rdata, scalar @$objs;
753		1011
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1013	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1015	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1016	close $fh;
759		1017
760	if (@$objs) {	1018	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1020	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1021	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1022	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1023	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1024	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1025	aio_rename "$filename.pst~", "$filename.pst";
768	}	1026	}
769	} else {	1027	} else {
770	aio_unlink "$filename.pst";	1028	aio_unlink "$filename.pst";
…		…
776	}	1034	}
777	} else {	1035	} else {
778	aio_unlink $filename;	1036	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1037	aio_unlink "$filename.pst";
780	}	1038	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1039	}
788	}	1040	}
789		1041
790	sub object_freezer_as_string {	1042	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1043	my ($rdata, $objs) = @_;
…		…
797		1049
798	sub object_thawer_load {	1050	sub object_thawer_load {
799	my ($filename) = @_;	1051	my ($filename) = @_;
800		1052
801	my ($data, $av);	1053	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1054
806	(aio_load $filename, $data) >= 0	1055	(aio_load $filename, $data) >= 0
807	or return;	1056	or return;
808		1057
809	unless (aio_stat "$filename.pst") {	1058	unless (aio_stat "$filename.pst") {
…		…
811	or return;	1060	or return;
812	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
813	}	1062	}
814		1063
815	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
817	return ($data, $av);	1066	return ($data, $av);
818	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
819		1074
820	#############################################################################	1075	#############################################################################
821	# command handling &c	1076	# command handling &c
822		1077
823	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1092	}
838		1093
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1095
841	Register a callbackf ro execution when the client sends an extcmd packet.	1096	Register a callback for execution when the client sends an (synchronous)
		1097	extcmd packet. Ext commands will be processed in the order they are
		1098	received by the server, like other user commands. The first argument is
		1099	the logged-in player. Ext commands can only be processed after a player
		1100	has logged in successfully.
842		1101
843	If the callback returns something, it is sent back as if reply was being	1102	If the callback returns something, it is sent back as if reply was being
844	called.	1103	called.
845		1104
		1105	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1106
		1107	Register a callback for execution when the client sends an (asynchronous)
		1108	exticmd packet. Exti commands are processed by the server as soon as they
		1109	are received, i.e. out of order w.r.t. other commands. The first argument
		1110	is a client socket. Exti commands can be received anytime, even before
		1111	log-in.
		1112
		1113	If the callback returns something, it is sent back as if reply was being
		1114	called.
		1115
846	=cut	1116	=cut
847		1117
848	sub register_extcmd {	1118	sub register_extcmd {
849	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
850		1120
851	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
852	}	1128	}
853		1129
854	cf::player->attach (	1130	cf::player->attach (
855	on_command => sub {	1131	on_command => sub {
856	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1141	cf::override;
866	},	1142	},
867	on_extcmd => sub {	1143	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
869		1145
870	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1147
872	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
		1154	my @reply;
		1155
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
878	} else {	1163	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1165	}
881		1166
882	cf::override;	1167	cf::override;
883	},	1168	},
884	);	1169	);
885		1170
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
921	for my $ext (<$LIBDIR/*.ext>) {	1175	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1176	next unless -r $path;
923	eval {	1177
924	load_extension $ext;	1178	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1179	my $base = $1;
		1180	my $pkg = $1;
		1181	$pkg =~ s/[^[:word:]]/_/g;
		1182	$pkg = "ext::$pkg";
		1183
		1184	open my $fh, "<:utf8", $path
		1185	or die "$path: $!";
		1186
		1187	my $source = do { local $/; <$fh> };
		1188
		1189	my %ext = (
		1190	path => $path,
		1191	base => $base,
		1192	pkg => $pkg,
		1193	);
		1194
		1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1197
		1198	$ext{source} =
		1199	"package $pkg; use strict; use utf8;\n"
		1200	. "#line 1 \"$path\"\n{\n"
		1201	. $source
		1202	. "\n};\n1";
		1203
		1204	$todo{$base} = \%ext;
		1205	}
		1206
		1207	my %done;
		1208	while (%todo) {
		1209	my $progress;
		1210
		1211	while (my ($k, $v) = each %todo) {
		1212	for (split /,\s*/, $v->{meta}{depends}) {
		1213	goto skip
		1214	unless exists $done{$_};
		1215	}
		1216
		1217	warn "... loading '$k' into '$v->{pkg}'\n";
		1218
		1219	unless (eval $v->{source}) {
		1220	my $msg = $@ ? "$v->{path}: $@\n"
		1221	: "$v->{base}: extension inactive.\n";
		1222
		1223	if (exists $v->{meta}{mandatory}) {
		1224	warn $msg;
		1225	warn "mandatory extension failed to load, exiting.\n";
		1226	exit 1;
		1227	}
		1228
		1229	warn $msg;
		1230	}
		1231
		1232	$done{$k} = delete $todo{$k};
		1233	push @EXTS, $v->{pkg};
		1234	$progress = 1;
925	1	1235	}
926	} or warn "$ext not loaded: $@";	1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
927	}	1241	};
928	}	1242	}
929		1243
930	#############################################################################	1244	#############################################################################
931		1245
		1246	=back
		1247
932	=head2 CORE EXTENSIONS	1248	=head2 CORE EXTENSIONS
933		1249
934	Functions and methods that extend core crossfire objects.	1250	Functions and methods that extend core crossfire objects.
935		1251
936	=cut	1252	=cut
…		…
948	Returns the given player object, loading it if necessary (might block).	1264	Returns the given player object, loading it if necessary (might block).
949		1265
950	=cut	1266	=cut
951		1267
952	sub playerdir($) {	1268	sub playerdir($) {
953	cf::localdir	1269	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1270	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1271	}
959		1272
960	sub path($) {	1273	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1274	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1275
963	(playerdir $login) . "/$login.pl"	1276	(playerdir $login) . "/playerdata"
964	}	1277	}
965		1278
966	sub find_active($) {	1279	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1280	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1281	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1294	my $login = $_[0];
982		1295
983	my $guard = cf::lock_acquire "user_find:$login";	1296	my $guard = cf::lock_acquire "user_find:$login";
984		1297
985	$cf::PLAYER{$_[0]} || do {	1298	$cf::PLAYER{$_[0]} || do {
		1299	# rename old playerfiles to new ones
		1300	#TODO: remove when no longer required
		1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1304	aio_unlink +(playerdir $login) . "/$login.pl";
		1305
986	my $pl = load_pl path $login	1306	my $pl = load_pl path $login
987	or return;	1307	or return;
988	$cf::PLAYER{$login} = $pl	1308	$cf::PLAYER{$login} = $pl
989	}	1309	}
990	}	1310	}
…		…
1018	$cf::PLAYER{$login} = $self;	1338	$cf::PLAYER{$login} = $self;
1019		1339
1020	$self	1340	$self
1021	}	1341	}
1022		1342
		1343	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1344
		1345	=cut
		1346
		1347	sub send_msg {
		1348	my $ns = shift->ns
		1349	or return;
		1350	$ns->send_msg (@_);
		1351	}
		1352
1023	=item $pl->quit_character	1353	=item $pl->quit_character
1024		1354
1025	Nukes the player without looking back. If logged in, the connection will	1355	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1356	be destroyed. May block for a long time.
1027		1357
1028	=cut	1358	=cut
1029		1359
1030	sub quit_character {	1360	sub quit_character {
1031	my ($pl) = @_;	1361	my ($pl) = @_;
		1362
		1363	my $name = $pl->ob->name;
1032		1364
1033	$pl->{deny_save} = 1;	1365	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1366	$pl->password ("*"); # this should lock out the player until we nuked the dir
1035		1367
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1373	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1374	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1375	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1376	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1377	$pl->destroy;
		1378
		1379	my $prefix = qr<^~\Q$name\E/>;
		1380
		1381	# nuke player maps
		1382	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1383
1046	IO::AIO::aio_rmtree $temp;	1384	IO::AIO::aio_rmtree $temp;
		1385	}
		1386
		1387	=item $pl->kick
		1388
		1389	Kicks a player out of the game. This destroys the connection.
		1390
		1391	=cut
		1392
		1393	sub kick {
		1394	my ($pl, $kicker) = @_;
		1395
		1396	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1397	$pl->killer ("kicked");
		1398	$pl->ns->destroy;
1047	}	1399	}
1048		1400
1049	=item cf::player::list_logins	1401	=item cf::player::list_logins
1050		1402
1051	Returns am arrayref of all valid playernames in the system, can take a	1403	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1404	while and may block, so not sync_job-capable, ever.
1053		1405
1054	=cut	1406	=cut
1055		1407
1056	sub list_logins {	1408	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1409	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1410	or return [];
1059		1411
1060	my @logins;	1412	my @logins;
1061		1413
1062	for my $login (@$dirs) {	1414	for my $login (@$dirs) {
…		…
1097	}	1449	}
1098		1450
1099	\@paths	1451	\@paths
1100	}	1452	}
1101		1453
		1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1455
		1456	Expand crossfire pod fragments into protocol xml.
		1457
		1458	=cut
		1459
		1460	sub expand_cfpod {
		1461	((my $self), (local $_)) = @_;
		1462
		1463	# escape & and <
		1464	s/&/&amp;/g;
		1465	s/(?<![BIUGH])</&lt;/g;
		1466
		1467	# this is buggy, it needs to properly take care of nested <'s
		1468
		1469	1 while
		1470	# replace B<>, I<>, U<> etc.
		1471	s/B<([^\>]*)>/<b>$1<\/b>/
		1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1474	# replace G<male|female> tags
		1475	|| s{G<([^>|]*)\|([^>]*)>}{
		1476	$self->gender ? $2 : $1
		1477	}ge
		1478	# replace H<hint text>
		1479	|| s{H<([^\>]*)>}
		1480	{
		1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1483	"")
		1484	[$self->{hintmode}]
		1485	}ge;
		1486
		1487	# create single paragraphs (very hackish)
		1488	s/(?<=\S)\n(?=\w)/ /g;
		1489
		1490	# compress some whitespace
		1491	s/\s+\n/\n/g; # ws line-ends
		1492	s/\n\n+/\n/g; # double lines
		1493	s/^\n+//; # beginning lines
		1494	s/\n+$//; # ending lines
		1495
		1496	$_
		1497	}
		1498
		1499	sub hintmode {
		1500	$_[0]{hintmode} = $_[1] if @_ > 1;
		1501	$_[0]{hintmode}
		1502	}
		1503
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1504	=item $player->ext_reply ($msgid, @msg)
1103		1505
1104	Sends an ext reply to the player.	1506	Sends an ext reply to the player.
1105		1507
1106	=cut	1508	=cut
1107		1509
1108	sub ext_reply($$$%) {	1510	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1511	my ($self, $id, @msg) = @_;
1110		1512
1111	$msg{msgid} = $id;	1513	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1514	}
1115		1515
1116	package cf;	1516	=item $player->ext_msg ($type, @msg)
		1517
		1518	Sends an ext event to the client.
		1519
		1520	=cut
		1521
		1522	sub ext_msg($$@) {
		1523	my ($self, $type, @msg) = @_;
		1524
		1525	$self->ns->ext_msg ($type, @msg);
		1526	}
		1527
		1528	=head3 cf::region
		1529
		1530	=over 4
		1531
		1532	=cut
		1533
		1534	package cf::region;
		1535
		1536	=item cf::region::find_by_path $path
		1537
		1538	Tries to decuce the likely region for a map knowing only its path.
		1539
		1540	=cut
		1541
		1542	sub find_by_path($) {
		1543	my ($path) = @_;
		1544
		1545	my ($match, $specificity);
		1546
		1547	for my $region (list) {
		1548	if ($region->{match} && $path =~ $region->{match}) {
		1549	($match, $specificity) = ($region, $region->specificity)
		1550	if $region->specificity > $specificity;
		1551	}
		1552	}
		1553
		1554	$match
		1555	}
1117		1556
1118	=back	1557	=back
1119
1120		1558
1121	=head3 cf::map	1559	=head3 cf::map
1122		1560
1123	=over 4	1561	=over 4
1124		1562
…		…
1179	my ($self, $merge) = @_;	1617	my ($self, $merge) = @_;
1180		1618
1181	# we have to keep some variables in memory intact	1619	# we have to keep some variables in memory intact
1182	local $self->{path};	1620	local $self->{path};
1183	local $self->{load_path};	1621	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1622
1187	$self->SUPER::thawer_merge ($merge);	1623	$self->SUPER::thawer_merge ($merge);
1188	}	1624	}
1189		1625
1190	sub normalise {	1626	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1673	$self->init; # pass $1 etc.
1238	return $self;	1674	return $self;
1239	}	1675	}
1240	}	1676	}
1241		1677
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1679	()
1244	}	1680	}
1245		1681
1246	sub init {	1682	sub init {
1247	my ($self) = @_;	1683	my ($self) = @_;
…		…
1262		1698
1263	# the original (read-only) location	1699	# the original (read-only) location
1264	sub load_path {	1700	sub load_path {
1265	my ($self) = @_;	1701	my ($self) = @_;
1266		1702
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1703	"$MAPDIR/$self->{path}.map"
1268	}	1704	}
1269		1705
1270	# the temporary/swap location	1706	# the temporary/swap location
1271	sub save_path {	1707	sub save_path {
1272	my ($self) = @_;	1708	my ($self) = @_;
1273		1709
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1711	"$TMPDIR/$path.map"
1276	}	1712	}
1277		1713
1278	# the unique path, undef == no special unique path	1714	# the unique path, undef == no special unique path
1279	sub uniq_path {	1715	sub uniq_path {
1280	my ($self) = @_;	1716	my ($self) = @_;
1281		1717
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1719	"$UNIQUEDIR/$path"
1284	}	1720	}
1285		1721
1286	# and all this just because we cannot iterate over	1722	# and all this just because we cannot iterate over
1287	# all maps in C++...	1723	# all maps in C++...
1288	sub change_all_map_light {	1724	sub change_all_map_light {
…		…
1290		1726
1291	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1292	for grep $_->outdoor, values %cf::MAP;	1728	for grep $_->outdoor, values %cf::MAP;
1293	}	1729	}
1294		1730
		1731	sub decay_objects {
		1732	my ($self) = @_;
		1733
		1734	return if $self->{deny_reset};
		1735
		1736	$self->do_decay_objects;
		1737	}
		1738
1295	sub unlink_save {	1739	sub unlink_save {
1296	my ($self) = @_;	1740	my ($self) = @_;
1297		1741
1298	utf8::encode (my $save = $self->save_path);	1742	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1743	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1744	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302	#d#TODO remove .map and also nuke
1303	$save =~ s/\.map// or return;#d#
1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306	}	1745	}
1307		1746
1308	sub load_header_from($) {	1747	sub load_header_from($) {
1309	my ($self, $path) = @_;	1748	my ($self, $path) = @_;
1310		1749
…		…
1360	$self->load_header_orig	1799	$self->load_header_orig
1361	or return;	1800	or return;
1362	$self->prepare_orig;	1801	$self->prepare_orig;
1363	}	1802	}
1364		1803
		1804	$self->{deny_reset} = 1
		1805	if $self->no_reset;
		1806
		1807	$self->default_region (cf::region::find_by_path $self->{path})
		1808	unless $self->default_region;
		1809
1365	1	1810	1
1366	}	1811	}
1367		1812
1368	sub find;	1813	sub find;
1369	sub find {	1814	sub find {
…		…
1381	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1382		1827
1383	$map->load_header	1828	$map->load_header
1384	or return;	1829	or return;
1385		1830
1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1387	# doing this can freeze the server in a sync job, obviously	1832	# doing this can freeze the server in a sync job, obviously
1388	#$cf::WAIT_FOR_TICK->wait;	1833	#$cf::WAIT_FOR_TICK->wait;
1389	$map->reset;	1834	$map->reset;
1390	undef $guard;	1835	undef $guard;
1391	return find $path;	1836	return find $path;
…		…
1402	my ($self) = @_;	1847	my ($self) = @_;
1403		1848
1404	local $self->{deny_reset} = 1; # loading can take a long time	1849	local $self->{deny_reset} = 1; # loading can take a long time
1405		1850
1406	my $path = $self->{path};	1851	my $path = $self->{path};
		1852
		1853	{
1407	my $guard = cf::lock_acquire "map_load:$path";	1854	my $guard = cf::lock_acquire "map_load:$path";
1408		1855
1409	return if $self->in_memory != cf::MAP_SWAPPED;	1856	return if $self->in_memory != cf::MAP_SWAPPED;
1410		1857
1411	$self->in_memory (cf::MAP_LOADING);	1858	$self->in_memory (cf::MAP_LOADING);
1412		1859
1413	$self->alloc;	1860	$self->alloc;
1414		1861
1415	$self->pre_load;	1862	$self->pre_load;
1416
1417	$self->_load_objects ($self->{load_path}, 1)
1418	or return;
1419
1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1421	if delete $self->{load_original};
1422
1423	if (my $uniq = $self->uniq_path) {
1424	utf8::encode $uniq;
1425	if (aio_open $uniq, O_RDONLY, 0) {
1426	$self->clear_unique_items;
1427	$self->_load_objects ($uniq, 0);
1428	}
1429	}
1430
1431	Coro::cede;
1432
1433	# now do the right thing for maps
1434	$self->link_multipart_objects;
1435
1436	unless ($self->{deny_activate}) {
1437	$self->decay_objects;
1438	$self->fix_auto_apply;
1439	$self->update_buttons;
1440	Coro::cede;	1863	Coro::cede;
1441	$self->set_darkness_map;	1864
		1865	$self->_load_objects ($self->{load_path}, 1)
		1866	or return;
		1867
		1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1869	if delete $self->{load_original};
		1870
		1871	if (my $uniq = $self->uniq_path) {
		1872	utf8::encode $uniq;
		1873	if (aio_open $uniq, O_RDONLY, 0) {
		1874	$self->clear_unique_items;
		1875	$self->_load_objects ($uniq, 0);
		1876	}
		1877	}
		1878
		1879	Coro::cede;
		1880	# now do the right thing for maps
		1881	$self->link_multipart_objects;
1442	$self->difficulty ($self->estimate_difficulty)	1882	$self->difficulty ($self->estimate_difficulty)
1443	unless $self->difficulty;	1883	unless $self->difficulty;
1444	Coro::cede;	1884	Coro::cede;
		1885
		1886	unless ($self->{deny_activate}) {
		1887	$self->decay_objects;
		1888	$self->fix_auto_apply;
		1889	$self->update_buttons;
		1890	Coro::cede;
		1891	$self->set_darkness_map;
		1892	Coro::cede;
1445	$self->activate;	1893	$self->activate;
		1894	}
		1895
		1896	$self->{last_save} = $cf::RUNTIME;
		1897	$self->last_access ($cf::RUNTIME);
		1898
		1899	$self->in_memory (cf::MAP_IN_MEMORY);
1446	}	1900	}
1447		1901
1448	$self->post_load;	1902	$self->post_load;
1449
1450	$self->in_memory (cf::MAP_IN_MEMORY);
1451	}	1903	}
1452		1904
1453	sub customise_for {	1905	sub customise_for {
1454	my ($self, $ob) = @_;	1906	my ($self, $ob) = @_;
1455		1907
1456	return find "~" . $ob->name . "/" . $self->{path}	1908	return find "~" . $ob->name . "/" . $self->{path}
1457	if $self->per_player;	1909	if $self->per_player;
1458		1910
		1911	# return find "?party/" . $ob->name . "/" . $self->{path}
		1912	# if $self->per_party;
		1913
1459	$self	1914	$self
1460	}	1915	}
1461		1916
1462	# find and load all maps in the 3x3 area around a map	1917	# find and load all maps in the 3x3 area around a map
1463	sub load_diag {	1918	sub load_neighbours {
1464	my ($map) = @_;	1919	my ($map) = @_;
1465		1920
1466	my @diag; # diagonal neighbours	1921	my @neigh; # diagonal neighbours
1467		1922
1468	for (0 .. 3) {	1923	for (0 .. 3) {
1469	my $neigh = $map->tile_path ($_)	1924	my $neigh = $map->tile_path ($_)
1470	or next;	1925	or next;
1471	$neigh = find $neigh, $map	1926	$neigh = find $neigh, $map
1472	or next;	1927	or next;
1473	$neigh->load;	1928	$neigh->load;
1474		1929
		1930	push @neigh,
1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1477	}	1933	}
1478		1934
1479	for (@diag) {	1935	for (grep defined $_->[0], @neigh) {
		1936	my ($path, $origin) = @$_;
1480	my $neigh = find @$_	1937	my $neigh = find $path, $origin
1481	or next;	1938	or next;
1482	$neigh->load;	1939	$neigh->load;
1483	}	1940	}
1484	}	1941	}
1485		1942
…		…
1509		1966
1510	undef $MAP_PREFETCH{$path};	1967	undef $MAP_PREFETCH{$path};
1511	$MAP_PREFETCHER ||= cf::async {	1968	$MAP_PREFETCHER ||= cf::async {
1512	while (%MAP_PREFETCH) {	1969	while (%MAP_PREFETCH) {
1513	for my $path (keys %MAP_PREFETCH) {	1970	for my $path (keys %MAP_PREFETCH) {
1514	my $map = find $path	1971	if (my $map = find $path) {
1515	or next;
1516	$map->load;	1972	$map->load;
		1973	}
1517		1974
1518	delete $MAP_PREFETCH{$path};	1975	delete $MAP_PREFETCH{$path};
1519	}	1976	}
1520	}	1977	}
1521	undef $MAP_PREFETCHER;	1978	undef $MAP_PREFETCHER;
…		…
1573		2030
1574	sub reset_at {	2031	sub reset_at {
1575	my ($self) = @_;	2032	my ($self) = @_;
1576		2033
1577	# TODO: safety, remove and allow resettable per-player maps	2034	# TODO: safety, remove and allow resettable per-player maps
1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1579	return 1e99 if $self->{deny_reset};	2035	return 1e99 if $self->{deny_reset};
1580		2036
1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2037	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2038	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1583		2039
…		…
1594	my ($self) = @_;	2050	my ($self) = @_;
1595		2051
1596	my $lock = cf::lock_acquire "map_data:$self->{path}";	2052	my $lock = cf::lock_acquire "map_data:$self->{path}";
1597		2053
1598	return if $self->players;	2054	return if $self->players;
1599	return if $self->isa ("ext::map_per_player");#d#
1600		2055
1601	warn "resetting map ", $self->path;#d#	2056	warn "resetting map ", $self->path;
		2057
		2058	$self->in_memory (cf::MAP_SWAPPED);
		2059
		2060	# need to save uniques path
		2061	unless ($self->{deny_save}) {
		2062	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2063
		2064	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2065	if $uniq;
		2066	}
1602		2067
1603	delete $cf::MAP{$self->path};	2068	delete $cf::MAP{$self->path};
1604		2069
1605	$self->in_memory (cf::MAP_SWAPPED);
1606	$self->clear;	2070	$self->clear;
1607		2071
1608	$_->clear_links_to ($self) for values %cf::MAP;	2072	$_->clear_links_to ($self) for values %cf::MAP;
1609		2073
1610	$self->unlink_save;	2074	$self->unlink_save;
…		…
1629	$cf::MAP{$self->path} = $self;	2093	$cf::MAP{$self->path} = $self;
1630		2094
1631	$self->reset; # polite request, might not happen	2095	$self->reset; # polite request, might not happen
1632	}	2096	}
1633		2097
		2098	=item $maps = cf::map::tmp_maps
		2099
		2100	Returns an arrayref with all map paths of currently instantiated and saved
		2101	maps. May block.
		2102
		2103	=cut
		2104
		2105	sub tmp_maps() {
		2106	[
		2107	map {
		2108	utf8::decode $_;
		2109	/\.map$/
		2110	? normalise $_
		2111	: ()
		2112	} @{ aio_readdir $TMPDIR or [] }
		2113	]
		2114	}
		2115
		2116	=item $maps = cf::map::random_maps
		2117
		2118	Returns an arrayref with all map paths of currently instantiated and saved
		2119	random maps. May block.
		2120
		2121	=cut
		2122
		2123	sub random_maps() {
		2124	[
		2125	map {
		2126	utf8::decode $_;
		2127	/\.map$/
		2128	? normalise "?random/$_"
		2129	: ()
		2130	} @{ aio_readdir $RANDOMDIR or [] }
		2131	]
		2132	}
		2133
1634	=item cf::map::unique_maps	2134	=item cf::map::unique_maps
1635		2135
1636	Returns an arrayref of paths of all shared maps that have	2136	Returns an arrayref of paths of all shared maps that have
1637	instantiated unique items. May block.	2137	instantiated unique items. May block.
1638		2138
1639	=cut	2139	=cut
1640		2140
1641	sub unique_maps() {	2141	sub unique_maps() {
1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2142	[
1643	or return;	2143	map {
1644
1645	my @paths;
1646
1647	for (@$files) {
1648	utf8::decode $_;	2144	utf8::decode $_;
1649	next if /\.pst$/;	2145	/\.map$/
1650	next unless /^$PATH_SEP/o;	2146	? normalise $_
1651		2147	: ()
1652	push @paths, cf::map::normalise $_;	2148	} @{ aio_readdir $UNIQUEDIR or [] }
1653	}	2149	]
1654
1655	\@paths
1656	}	2150	}
1657		2151
1658	package cf;	2152	package cf;
1659		2153
1660	=back	2154	=back
…		…
1706		2200
1707	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2201	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1708		2202
1709	if ($self->{record_replies}) {	2203	if ($self->{record_replies}) {
1710	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2204	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2205
1711	} else {	2206	} else {
		2207	my $pl = $self->contr;
		2208
		2209	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2210	my $dialog = $pl->{npc_dialog};
		2211	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2212
		2213	} else {
1712	$msg = $npc->name . " says: $msg" if $npc;	2214	$msg = $npc->name . " says: $msg" if $npc;
1713	$self->message ($msg, $flags);	2215	$self->message ($msg, $flags);
		2216	}
1714	}	2217	}
		2218	}
		2219
		2220	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2221
		2222	=cut
		2223
		2224	sub cf::object::send_msg {
		2225	my $pl = shift->contr
		2226	or return;
		2227	$pl->send_msg (@_);
1715	}	2228	}
1716		2229
1717	=item $player_object->may ("access")	2230	=item $player_object->may ("access")
1718		2231
1719	Returns wether the given player is authorized to access resource "access"	2232	Returns wether the given player is authorized to access resource "access"
…		…
1766	$self->deactivate_recursive;	2279	$self->deactivate_recursive;
1767		2280
1768	return if UNIVERSAL::isa $self->map, "ext::map_link";	2281	return if UNIVERSAL::isa $self->map, "ext::map_link";
1769		2282
1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2283	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771	if $self->map;	2284	if $self->map && $self->map->{path} ne "{link}";
1772		2285
1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2286	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1774	}	2287	}
1775		2288
1776	sub cf::object::player::leave_link {	2289	sub cf::object::player::leave_link {
1777	my ($self, $map, $x, $y) = @_;	2290	my ($self, $map, $x, $y) = @_;
		2291
		2292	return unless $self->contr->active;
1778		2293
1779	my $link_pos = delete $self->{_link_pos};	2294	my $link_pos = delete $self->{_link_pos};
1780		2295
1781	unless ($map) {	2296	unless ($map) {
1782	# restore original map position	2297	# restore original map position
…		…
1796	# use -1 or undef as default coordinates, not 0, 0	2311	# use -1 or undef as default coordinates, not 0, 0
1797	($x, $y) = ($map->enter_x, $map->enter_y)	2312	($x, $y) = ($map->enter_x, $map->enter_y)
1798	if $x <=0 && $y <= 0;	2313	if $x <=0 && $y <= 0;
1799		2314
1800	$map->load;	2315	$map->load;
1801	$map->load_diag;	2316	$map->load_neighbours;
1802		2317
1803	return unless $self->contr->active;	2318	return unless $self->contr->active;
1804	$self->activate_recursive;	2319	$self->activate_recursive;
		2320
		2321	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1805	$self->enter_map ($map, $x, $y);	2322	$self->enter_map ($map, $x, $y);
1806	}	2323	}
1807		2324
1808	cf::player->attach (	2325	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1809	on_logout => sub {
1810	my ($pl) = @_;
1811		2326
1812	# abort map switching before logout	2327	Moves the player to the given map-path and coordinates by first freezing
1813	if ($pl->ob->{_link_pos}) {	2328	her, loading and preparing them map, calling the provided $check callback
1814	cf::sync_job {	2329	that has to return the map if sucecssful, and then unfreezes the player on
1815	$pl->ob->leave_link	2330	the new (success) or old (failed) map position. In either case, $done will
1816	};	2331	be called at the end of this process.
1817	}
1818	},
1819	on_login => sub {
1820	my ($pl) = @_;
1821		2332
1822	# try to abort aborted map switching on player login :)
1823	# should happen only on crashes
1824	if ($pl->ob->{_link_pos}) {
1825	$pl->ob->enter_link;
1826	(async {
1827	# we need this sleep as the login has a concurrent enter_exit running
1828	# and this sleep increases chances of the player not ending up in scorn
1829	$pl->ob->reply (undef,
1830	"There was an internal problem at your last logout, "
1831	. "the server will try to bring you to your intended destination in a second.",
1832	cf::NDI_RED);
1833	Coro::Timer::sleep 1;
1834	$pl->ob->leave_link;
1835	})->prio (2);
1836	}
1837	},
1838	);
1839
1840	=item $player_object->goto ($path, $x, $y)
1841
1842	=cut	2333	=cut
		2334
		2335	our $GOTOGEN;
1843		2336
1844	sub cf::object::player::goto {	2337	sub cf::object::player::goto {
1845	my ($self, $path, $x, $y) = @_;	2338	my ($self, $path, $x, $y, $check, $done) = @_;
		2339
		2340	# do generation counting so two concurrent goto's will be executed in-order
		2341	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1846		2342
1847	$self->enter_link;	2343	$self->enter_link;
1848		2344
1849	(async {	2345	(async {
1850	my $map = eval {	2346	my $map = eval {
1851	my $map = cf::map::find $path;	2347	my $map = cf::map::find $path;
		2348
		2349	if ($map) {
1852	$map = $map->customise_for ($self) if $map;	2350	$map = $map->customise_for ($self);
		2351	$map = $check->($map) if $check && $map;
		2352	} else {
		2353	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2354	}
		2355
1853	$map	2356	$map
		2357	};
		2358
		2359	if ($@) {
		2360	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2361	LOG llevError | logBacktrace, Carp::longmess $@;
1854	} or	2362	}
1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1856		2363
		2364	if ($gen == $self->{_goto_generation}) {
		2365	delete $self->{_goto_generation};
1857	$self->leave_link ($map, $x, $y);	2366	$self->leave_link ($map, $x, $y);
		2367	}
		2368
		2369	$done->() if $done;
1858	})->prio (1);	2370	})->prio (1);
1859	}	2371	}
1860		2372
1861	=item $player_object->enter_exit ($exit_object)	2373	=item $player_object->enter_exit ($exit_object)
1862		2374
…		…
1901		2413
1902	$rmp->{random_seed} ||= $exit->random_seed;	2414	$rmp->{random_seed} ||= $exit->random_seed;
1903		2415
1904	my $data = cf::to_json $rmp;	2416	my $data = cf::to_json $rmp;
1905	my $md5 = Digest::MD5::md5_hex $data;	2417	my $md5 = Digest::MD5::md5_hex $data;
1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2418	my $meta = "$RANDOMDIR/$md5.meta";
1907		2419
1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2420	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909	aio_write $fh, 0, (length $data), $data, 0;	2421	aio_write $fh, 0, (length $data), $data, 0;
1910	undef $fh;	2422	undef $fh;
1911	aio_rename "$meta~", $meta;	2423	aio_rename "$meta~", $meta;
…		…
1920		2432
1921	return unless $self->type == cf::PLAYER;	2433	return unless $self->type == cf::PLAYER;
1922		2434
1923	if ($exit->slaying eq "/!") {	2435	if ($exit->slaying eq "/!") {
1924	#TODO: this should de-fi-ni-te-ly not be a sync-job	2436	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2437	# the problem is that $exit might not survive long enough
		2438	# so it needs to be done right now, right here
1925	cf::sync_job { prepare_random_map $exit };	2439	cf::sync_job { prepare_random_map $exit };
1926	}	2440	}
1927		2441
1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2442	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1929	my $hp = $exit->stats->hp;	2443	my $hp = $exit->stats->hp;
1930	my $sp = $exit->stats->sp;	2444	my $sp = $exit->stats->sp;
1931		2445
1932	$self->enter_link;	2446	$self->enter_link;
		2447
		2448	# if exit is damned, update players death & WoR home-position
		2449	$self->contr->savebed ($slaying, $hp, $sp)
		2450	if $exit->flag (FLAG_DAMNED);
1933		2451
1934	(async {	2452	(async {
1935	$self->deactivate_recursive; # just to be sure	2453	$self->deactivate_recursive; # just to be sure
1936	unless (eval {	2454	unless (eval {
1937	$self->goto ($slaying, $hp, $sp);	2455	$self->goto ($slaying, $hp, $sp);
1938		2456
1939	1;	2457	1;
1940	}) {	2458	}) {
1941	$self->message ("Something went wrong deep within the crossfire server. "	2459	$self->message ("Something went wrong deep within the crossfire server. "
1942	. "I'll try to bring you back to the map you were before. "	2460	. "I'll try to bring you back to the map you were before. "
1943	. "Please report this to the dungeon master!",	2461	. "Please report this to the dungeon master!",
1944	cf::NDI_UNIQUE | cf::NDI_RED);	2462	cf::NDI_UNIQUE | cf::NDI_RED);
1945		2463
1946	warn "ERROR in enter_exit: $@";	2464	warn "ERROR in enter_exit: $@";
1947	$self->leave_link;	2465	$self->leave_link;
1948	}	2466	}
1949	})->prio (1);	2467	})->prio (1);
…		…
1962		2480
1963	sub cf::client::send_drawinfo {	2481	sub cf::client::send_drawinfo {
1964	my ($self, $text, $flags) = @_;	2482	my ($self, $text, $flags) = @_;
1965		2483
1966	utf8::encode $text;	2484	utf8::encode $text;
1967	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2485	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1968	}	2486	}
1969		2487
		2488	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2489
		2490	Send a drawinfo or msg packet to the client, formatting the msg for the
		2491	client if neccessary. C<$type> should be a string identifying the type of
		2492	the message, with C<log> being the default. If C<$color> is negative, suppress
		2493	the message unless the client supports the msg packet.
		2494
		2495	=cut
		2496
		2497	sub cf::client::send_msg {
		2498	my ($self, $channel, $msg, $color, @extra) = @_;
		2499
		2500	$msg = $self->pl->expand_cfpod ($msg);
		2501
		2502	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2503
		2504	if (ref $channel) {
		2505	# send meta info to client, if not yet sent
		2506	unless (exists $self->{channel}{$channel->{id}}) {
		2507	$self->{channel}{$channel->{id}} = $channel;
		2508	$self->ext_msg (channel_info => $channel);
		2509	}
		2510
		2511	$channel = $channel->{id};
		2512	}
		2513
		2514	return unless @extra || length $msg;
		2515
		2516	if ($self->can_msg) {
		2517	# default colour, mask it out
		2518	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2519	if $color & cf::NDI_DEF;
		2520
		2521	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2522	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2523	} else {
		2524	if ($color >= 0) {
		2525	# replace some tags by gcfclient-compatible ones
		2526	for ($msg) {
		2527	1 while
		2528	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2529	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2530	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2531	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2532	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2533	}
		2534
		2535	$color &= cf::NDI_COLOR_MASK;
		2536
		2537	utf8::encode $msg;
		2538
		2539	if (0 && $msg =~ /\[/) {
		2540	# COMMAND/INFO
		2541	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2542	} else {
		2543	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2544	$self->send_packet ("drawinfo $color $msg")
		2545	}
		2546	}
		2547	}
		2548	}
		2549
		2550	=item $client->ext_msg ($type, @msg)
		2551
		2552	Sends an ext event to the client.
		2553
		2554	=cut
		2555
		2556	sub cf::client::ext_msg($$@) {
		2557	my ($self, $type, @msg) = @_;
		2558
		2559	my $extcmd = $self->extcmd;
		2560
		2561	if ($extcmd == 2) {
		2562	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2563	} elsif ($extcmd == 1) { # TODO: remove
		2564	push @msg, msgtype => "event_$type";
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2566	}
		2567	}
		2568
		2569	=item $client->ext_reply ($msgid, @msg)
		2570
		2571	Sends an ext reply to the client.
		2572
		2573	=cut
		2574
		2575	sub cf::client::ext_reply($$@) {
		2576	my ($self, $id, @msg) = @_;
		2577
		2578	if ($self->extcmd == 2) {
		2579	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2580	} elsif ($self->ns->extcmd == 1) {
		2581	#TODO: version 1, remove
		2582	unshift @msg, msgtype => "reply", msgid => $id;
		2583	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2584	}
		2585	}
1970		2586
1971	=item $success = $client->query ($flags, "text", \&cb)	2587	=item $success = $client->query ($flags, "text", \&cb)
1972		2588
1973	Queues a query to the client, calling the given callback with	2589	Queues a query to the client, calling the given callback with
1974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2590	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2591	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1976		2592
1977	Queries can fail, so check the return code. Or don't, as queries will become	2593	Queries can fail, so check the return code. Or don't, as queries will
1978	reliable at some point in the future.	2594	become reliable at some point in the future.
1979		2595
1980	=cut	2596	=cut
1981		2597
1982	sub cf::client::query {	2598	sub cf::client::query {
1983	my ($self, $flags, $text, $cb) = @_;	2599	my ($self, $flags, $text, $cb) = @_;
…		…
1991	utf8::encode $text;	2607	utf8::encode $text;
1992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2608	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1993		2609
1994	$self->send_packet ($self->{query_queue}[0][0])	2610	$self->send_packet ($self->{query_queue}[0][0])
1995	if @{ $self->{query_queue} } == 1;	2611	if @{ $self->{query_queue} } == 1;
		2612
		2613	1
1996	}	2614	}
1997		2615
1998	cf::client->attach (	2616	cf::client->attach (
		2617	on_connect => sub {
		2618	my ($ns) = @_;
		2619
		2620	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2621	},
1999	on_reply => sub {	2622	on_reply => sub {
2000	my ($ns, $msg) = @_;	2623	my ($ns, $msg) = @_;
2001		2624
2002	# this weird shuffling is so that direct followup queries	2625	# this weird shuffling is so that direct followup queries
2003	# get handled first	2626	# get handled first
…		…
2015	} else {	2638	} else {
2016	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2639	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2017	}	2640	}
2018	}	2641	}
2019	},	2642	},
		2643	on_exticmd => sub {
		2644	my ($ns, $buf) = @_;
		2645
		2646	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2647
		2648	if (ref $msg) {
		2649	my ($type, $reply, @payload) =
		2650	"ARRAY" eq ref $msg
		2651	? @$msg
		2652	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2653
		2654	my @reply;
		2655
		2656	if (my $cb = $EXTICMD{$type}) {
		2657	@reply = $cb->($ns, @payload);
		2658	}
		2659
		2660	$ns->ext_reply ($reply, @reply)
		2661	if $reply;
		2662
		2663	} else {
		2664	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2665	}
		2666
		2667	cf::override;
		2668	},
2020	);	2669	);
2021		2670
2022	=item $client->async (\&cb)	2671	=item $client->async (\&cb)
2023		2672
2024	Create a new coroutine, running the specified callback. The coroutine will	2673	Create a new coroutine, running the specified callback. The coroutine will
…		…
2065	our $safe = new Safe "safe";	2714	our $safe = new Safe "safe";
2066	our $safe_hole = new Safe::Hole;	2715	our $safe_hole = new Safe::Hole;
2067		2716
2068	$SIG{FPE} = 'IGNORE';	2717	$SIG{FPE} = 'IGNORE';
2069		2718
2070	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2719	$safe->permit_only (Opcode::opset qw(
		2720	:base_core :base_mem :base_orig :base_math
		2721	grepstart grepwhile mapstart mapwhile
		2722	sort time
		2723	));
2071		2724
2072	# here we export the classes and methods available to script code	2725	# here we export the classes and methods available to script code
2073		2726
2074	=pod	2727	=pod
2075		2728
2076	The following fucntions and emthods are available within a safe environment:	2729	The following functions and methods are available within a safe environment:
2077		2730
2078	cf::object contr pay_amount pay_player map	2731	cf::object
		2732	contr pay_amount pay_player map x y force_find force_add
		2733	insert remove name archname title slaying race
		2734
2079	cf::object::player player	2735	cf::object::player
2080	cf::player peaceful	2736	player
2081	cf::map trigger	2737
		2738	cf::player
		2739	peaceful
		2740
		2741	cf::map
		2742	trigger
2082		2743
2083	=cut	2744	=cut
2084		2745
2085	for (	2746	for (
2086	["cf::object" => qw(contr pay_amount pay_player map)],	2747	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2748	insert remove inv name archname title slaying race)],
2087	["cf::object::player" => qw(player)],	2749	["cf::object::player" => qw(player)],
2088	["cf::player" => qw(peaceful)],	2750	["cf::player" => qw(peaceful)],
2089	["cf::map" => qw(trigger)],	2751	["cf::map" => qw(trigger)],
2090	) {	2752	) {
2091	no strict 'refs';	2753	no strict 'refs';
…		…
2162	=back	2824	=back
2163		2825
2164	=cut	2826	=cut
2165		2827
2166	#############################################################################	2828	#############################################################################
		2829	# the server's init and main functions
2167		2830
2168	=head2 EXTENSION DATABASE SUPPORT	2831	sub load_facedata($) {
		2832	my ($path) = @_;
2169		2833
2170	Crossfire maintains a very simple database for extension use. It can	2834	my $enc = JSON::XS->new->utf8->canonical;
2171	currently store anything that can be serialised using Storable, which
2172	excludes objects.
2173		2835
2174	The parameter C<$family> should best start with the name of the extension	2836	warn "loading facedata from $path\n";
2175	using it, it should be unique.
2176		2837
2177	=over 4	2838	my $facedata;
		2839	0 < aio_load $path, $facedata
		2840	or die "$path: $!";
2178		2841
2179	=item $hashref = cf::db_get $family	2842	$facedata = Coro::Storable::thaw $facedata;
2180		2843
2181	Return a hashref for use by the extension C<$family>, which can be	2844	$facedata->{version} == 2
2182	modified. After modifications, you have to call C<cf::db_dirty> or	2845	or cf::cleanup "$path: version mismatch, cannot proceed.";
2183	C<cf::db_sync>.
2184		2846
2185	=item $value = cf::db_get $family => $key	2847	# patch in the exptable
2186		2848	$facedata->{resource}{"res/exp_table"} = {
2187	Returns a single value from the database	2849	type => FT_RSRC,
2188		2850	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2189	=item cf::db_put $family => $hashref
2190
2191	Stores the given family hashref into the database. Updates are delayed, if
2192	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2193
2194	=item cf::db_put $family => $key => $value
2195
2196	Stores the given C<$value> in the family hash. Updates are delayed, if you
2197	want the data to be synced to disk immediately, use C<cf::db_sync>.
2198
2199	=item cf::db_dirty
2200
2201	Marks the database as dirty, to be updated at a later time.
2202
2203	=item cf::db_sync
2204
2205	Immediately write the database to disk I<if it is dirty>.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	{
2212	my $path = cf::localdir . "/database.pst";
2213
2214	sub db_load() {
2215	$DB = stat $path ? Storable::retrieve $path : { };
2216	}	2851	};
		2852	cf::cede_to_tick;
2217		2853
2218	my $pid;
2219
2220	sub db_save() {
2221	waitpid $pid, 0 if $pid;
2222	if (0 == ($pid = fork)) {
2223	$DB->{_meta}{version} = 1;
2224	Storable::nstore $DB, "$path~";
2225	rename "$path~", $path;
2226	cf::_exit 0 if defined $pid;
2227	}
2228	}	2854	{
		2855	my $faces = $facedata->{faceinfo};
2229		2856
2230	my $dirty;	2857	while (my ($face, $info) = each %$faces) {
		2858	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2859	cf::face::set_visibility $idx, $info->{visibility};
		2860	cf::face::set_magicmap $idx, $info->{magicmap};
		2861	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2862	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2231		2863
2232	sub db_sync() {	2864	cf::cede_to_tick;
2233	db_save if $dirty;
2234	undef $dirty;
2235	}
2236
2237	my $idle = Event->idle (
2238	reentrant => 0,
2239	min => 10,
2240	max => 20,
2241	repeat => 0,
2242	data => WF_AUTOCANCEL,
2243	cb => \&db_sync,
2244	);
2245
2246	sub db_dirty() {
2247	$dirty = 1;
2248	$idle->start;
2249	}
2250
2251	sub db_get($;$) {
2252	@_ >= 2
2253	? $DB->{$_[0]}{$_[1]}
2254	: ($DB->{$_[0]} ||= { })
2255	}
2256
2257	sub db_put($$;$) {
2258	if (@_ >= 3) {
2259	$DB->{$_[0]}{$_[1]} = $_[2];
2260	} else {
2261	$DB->{$_[0]} = $_[1];
2262	}
2263	db_dirty;
2264	}
2265
2266	cf::global->attach (
2267	prio => 10000,
2268	on_cleanup => sub {
2269	db_sync;
2270	},	2865	}
2271	);
2272	}
2273		2866
2274	#############################################################################	2867	while (my ($face, $info) = each %$faces) {
2275	# the server's main()	2868	next unless $info->{smooth};
		2869	my $idx = cf::face::find $face
		2870	or next;
		2871	if (my $smooth = cf::face::find $info->{smooth}) {
		2872	cf::face::set_smooth $idx, $smooth;
		2873	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2874	} else {
		2875	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2876	}
		2877
		2878	cf::cede_to_tick;
		2879	}
		2880	}
		2881
		2882	{
		2883	my $anims = $facedata->{animinfo};
		2884
		2885	while (my ($anim, $info) = each %$anims) {
		2886	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2887	cf::cede_to_tick;
		2888	}
		2889
		2890	cf::anim::invalidate_all; # d'oh
		2891	}
		2892
		2893	{
		2894	# TODO: for gcfclient pleasure, we should give resources
		2895	# that gcfclient doesn't grok a >10000 face index.
		2896	my $res = $facedata->{resource};
		2897
		2898	my $soundconf = delete $res->{"res/sound.conf"};
		2899
		2900	while (my ($name, $info) = each %$res) {
		2901	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2902	my $data;
		2903
		2904	if ($info->{type} & 1) {
		2905	# prepend meta info
		2906
		2907	my $meta = $enc->encode ({
		2908	name => $name,
		2909	%{ $info->{meta} || {} },
		2910	});
		2911
		2912	$data = pack "(w/a*)*", $meta, $info->{data};
		2913	} else {
		2914	$data = $info->{data};
		2915	}
		2916
		2917	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2918	cf::face::set_type $idx, $info->{type};
		2919
		2920	cf::cede_to_tick;
		2921	}
		2922
		2923	if ($soundconf) {
		2924	$soundconf = $enc->decode (delete $soundconf->{data});
		2925
		2926	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2927	my $sound = $soundconf->{compat}[$_]
		2928	or next;
		2929
		2930	my $face = cf::face::find "sound/$sound->[1]";
		2931	cf::sound::set $sound->[0] => $face;
		2932	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2933	}
		2934
		2935	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2936	my $face = cf::face::find "sound/$v";
		2937	cf::sound::set $k => $face;
		2938	}
		2939	}
		2940	}
		2941
		2942	1
		2943	}
		2944
		2945	register_exticmd fx_want => sub {
		2946	my ($ns, $want) = @_;
		2947
		2948	while (my ($k, $v) = each %$want) {
		2949	$ns->fx_want ($k, $v);
		2950	}
		2951	};
		2952
		2953	sub reload_regions {
		2954	load_resource_file "$MAPDIR/regions"
		2955	or die "unable to load regions file\n";
		2956
		2957	for (cf::region::list) {
		2958	$_->{match} = qr/$_->{match}/
		2959	if exists $_->{match};
		2960	}
		2961	}
		2962
		2963	sub reload_facedata {
		2964	load_facedata "$DATADIR/facedata"
		2965	or die "unable to load facedata\n";
		2966	}
		2967
		2968	sub reload_archetypes {
		2969	load_resource_file "$DATADIR/archetypes"
		2970	or die "unable to load archetypes\n";
		2971	#d# NEED to laod twice to resolve forward references
		2972	# this really needs to be done in an extra post-pass
		2973	# (which needs to be synchronous, so solve it differently)
		2974	load_resource_file "$DATADIR/archetypes"
		2975	or die "unable to load archetypes\n";
		2976	}
		2977
		2978	sub reload_treasures {
		2979	load_resource_file "$DATADIR/treasures"
		2980	or die "unable to load treasurelists\n";
		2981	}
		2982
		2983	sub reload_resources {
		2984	warn "reloading resource files...\n";
		2985
		2986	reload_regions;
		2987	reload_facedata;
		2988	#reload_archetypes;#d#
		2989	reload_archetypes;
		2990	reload_treasures;
		2991
		2992	warn "finished reloading resource files\n";
		2993	}
		2994
		2995	sub init {
		2996	reload_resources;
		2997	}
2276		2998
2277	sub cfg_load {	2999	sub cfg_load {
2278	open my $fh, "<:utf8", cf::confdir . "/config"	3000	open my $fh, "<:utf8", "$CONFDIR/config"
2279	or return;	3001	or return;
2280		3002
2281	local $/;	3003	local $/;
2282	*CFG = YAML::Syck::Load <$fh>;	3004	*CFG = YAML::Syck::Load <$fh>;
2283		3005
…		…
2303	Event::one_event;	3025	Event::one_event;
2304	})->prio (Coro::PRIO_MAX);	3026	})->prio (Coro::PRIO_MAX);
2305	};	3027	};
2306		3028
2307	cfg_load;	3029	cfg_load;
2308	db_load;	3030	db_init;
2309	load_extensions;	3031	load_extensions;
2310		3032
2311	$TICK_WATCHER->start;	3033	$TICK_WATCHER->start;
2312	Event::loop;	3034	Event::loop;
2313	}	3035	}
…		…
2328	},	3050	},
2329	);	3051	);
2330	}	3052	}
2331	}	3053	}
2332		3054
		3055	sub write_runtime {
		3056	my $runtime = "$LOCALDIR/runtime";
		3057
		3058	# first touch the runtime file to show we are still running:
		3059	# the fsync below can take a very very long time.
		3060
		3061	IO::AIO::aio_utime $runtime, undef, undef;
		3062
		3063	my $guard = cf::lock_acquire "write_runtime";
		3064
		3065	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3066	or return;
		3067
		3068	my $value = $cf::RUNTIME + 90 + 10;
		3069	# 10 is the runtime save interval, for a monotonic clock
		3070	# 60 allows for the watchdog to kill the server.
		3071
		3072	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3073	and return;
		3074
		3075	# always fsync - this file is important
		3076	aio_fsync $fh
		3077	and return;
		3078
		3079	# touch it again to show we are up-to-date
		3080	aio_utime $fh, undef, undef;
		3081
		3082	close $fh
		3083	or return;
		3084
		3085	aio_rename "$runtime~", $runtime
		3086	and return;
		3087
		3088	warn "runtime file written.\n";
		3089
		3090	1
		3091	}
		3092
2333	sub emergency_save() {	3093	sub emergency_save() {
2334	my $freeze_guard = cf::freeze_mainloop;	3094	my $freeze_guard = cf::freeze_mainloop;
2335		3095
2336	warn "enter emergency perl save\n";	3096	warn "enter emergency perl save\n";
2337		3097
…		…
2352	my $map = $cf::MAP{$path} or next;	3112	my $map = $cf::MAP{$path} or next;
2353	$map->valid or next;	3113	$map->valid or next;
2354	$map->save;	3114	$map->save;
2355	}	3115	}
2356	warn "end emergency map save\n";	3116	warn "end emergency map save\n";
		3117
		3118	warn "begin emergency database checkpoint\n";
		3119	BDB::db_env_txn_checkpoint $DB_ENV;
		3120	warn "end emergency database checkpoint\n";
2357	};	3121	};
2358		3122
2359	warn "leave emergency perl save\n";	3123	warn "leave emergency perl save\n";
2360	}	3124	}
2361		3125
		3126	sub post_cleanup {
		3127	my ($make_core) = @_;
		3128
		3129	warn Carp::longmess "post_cleanup backtrace"
		3130	if $make_core;
		3131	}
		3132
2362	sub reload() {	3133	sub do_reload_perl() {
2363	# can/must only be called in main	3134	# can/must only be called in main
2364	if ($Coro::current != $Coro::main) {	3135	if ($Coro::current != $Coro::main) {
2365	warn "can only reload from main coroutine";	3136	warn "can only reload from main coroutine";
2366	return;	3137	return;
2367	}	3138	}
2368		3139
2369	warn "reloading...";	3140	warn "reloading...";
2370		3141
2371	warn "cancelling server ticker";	3142	warn "entering sync_job";
2372	$TICK_WATCHER->cancel;
2373		3143
		3144	cf::sync_job {
		3145	cf::write_runtime; # external watchdog should not bark
2374	cf::emergency_save;	3146	cf::emergency_save;
		3147	cf::write_runtime; # external watchdog should not bark
2375		3148
2376	eval {	3149	warn "syncing database to disk";
		3150	BDB::db_env_txn_checkpoint $DB_ENV;
		3151
2377	# if anything goes wrong in here, we should simply crash as we already saved	3152	# if anything goes wrong in here, we should simply crash as we already saved
2378
2379	warn "syncing database to disk";
2380	cf::db_sync;
2381		3153
2382	warn "cancelling all WF_AUTOCANCEL watchers";	3154	warn "cancelling all WF_AUTOCANCEL watchers";
2383	for (Event::all_watchers) {	3155	for (Event::all_watchers) {
2384	$_->cancel if $_->data & WF_AUTOCANCEL;	3156	$_->cancel if $_->data & WF_AUTOCANCEL;
2385	}	3157	}
2386		3158
2387	warn "flushing outstanding aio requests";	3159	warn "flushing outstanding aio requests";
2388	for (;;) {	3160	for (;;) {
		3161	BDB::flush;
2389	IO::AIO::flush;	3162	IO::AIO::flush;
2390	Coro::cede;	3163	Coro::cede;
2391	last unless IO::AIO::nreqs;	3164	last unless IO::AIO::nreqs || BDB::nreqs;
2392	warn "iterate...";	3165	warn "iterate...";
2393	}	3166	}
		3167
		3168	++$RELOAD;
2394		3169
2395	warn "cancelling all extension coros";	3170	warn "cancelling all extension coros";
2396	$_->cancel for values %EXT_CORO;	3171	$_->cancel for values %EXT_CORO;
2397	%EXT_CORO = ();	3172	%EXT_CORO = ();
2398		3173
2399	warn "removing commands";	3174	warn "removing commands";
2400	%COMMAND = ();	3175	%COMMAND = ();
2401		3176
2402	warn "removing ext commands";	3177	warn "removing ext/exti commands";
2403	%EXTCMD = ();	3178	%EXTCMD = ();
		3179	%EXTICMD = ();
2404		3180
2405	warn "unloading/nuking all extensions";	3181	warn "unloading/nuking all extensions";
2406	for my $pkg (@EXTS) {	3182	for my $pkg (@EXTS) {
2407	warn "... unloading $pkg";	3183	warn "... unloading $pkg";
2408		3184
…		…
2438	Symbol::delete_package "safe::$_"	3214	Symbol::delete_package "safe::$_"
2439	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3215	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2440		3216
2441	warn "unloading cf.pm \"a bit\"";	3217	warn "unloading cf.pm \"a bit\"";
2442	delete $INC{"cf.pm"};	3218	delete $INC{"cf.pm"};
		3219	delete $INC{"cf/pod.pm"};
2443		3220
2444	# don't, removes xs symbols, too,	3221	# don't, removes xs symbols, too,
2445	# and global variables created in xs	3222	# and global variables created in xs
2446	#Symbol::delete_package __PACKAGE__;	3223	#Symbol::delete_package __PACKAGE__;
2447		3224
…		…
2451	require cf;	3228	require cf;
2452	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3229	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2453		3230
2454	warn "loading config and database again";	3231	warn "loading config and database again";
2455	cf::cfg_load;	3232	cf::cfg_load;
2456	cf::db_load;
2457		3233
2458	warn "loading extensions";	3234	warn "loading extensions";
2459	cf::load_extensions;	3235	cf::load_extensions;
2460		3236
2461	warn "reattaching attachments to objects/players";	3237	warn "reattaching attachments to objects/players";
2462	_global_reattach;	3238	_global_reattach; # objects, sockets
2463	warn "reattaching attachments to maps";	3239	warn "reattaching attachments to maps";
2464	reattach $_ for values %MAP;	3240	reattach $_ for values %MAP;
		3241	warn "reattaching attachments to players";
		3242	reattach $_ for values %PLAYER;
2465		3243
2466	warn "restarting server ticker";	3244	warn "leaving sync_job";
2467		3245
2468	$TICK_WATCHER->start;	3246	1
2469	};	3247	} or do {
2470
2471	if ($@) {
2472	warn $@;	3248	warn $@;
2473	warn "error while reloading, exiting.";	3249	warn "error while reloading, exiting.";
2474	exit 1;	3250	exit 1;
2475	}	3251	};
2476		3252
2477	warn "reloaded";	3253	warn "reloaded";
2478	};	3254	};
2479		3255
2480	our $RELOAD_WATCHER; # used only during reload	3256	our $RELOAD_WATCHER; # used only during reload
2481		3257
		3258	sub reload_perl() {
		3259	# doing reload synchronously and two reloads happen back-to-back,
		3260	# coro crashes during coro_state_free->destroy here.
		3261
		3262	$RELOAD_WATCHER ||= Event->timer (
		3263	reentrant => 0,
		3264	after => 0,
		3265	data => WF_AUTOCANCEL,
		3266	cb => sub {
		3267	do_reload_perl;
		3268	undef $RELOAD_WATCHER;
		3269	},
		3270	);
		3271	}
		3272
2482	register_command "reload" => sub {	3273	register_command "reload" => sub {
2483	my ($who, $arg) = @_;	3274	my ($who, $arg) = @_;
2484		3275
2485	if ($who->flag (FLAG_WIZ)) {	3276	if ($who->flag (FLAG_WIZ)) {
2486	$who->message ("reloading server.");	3277	$who->message ("reloading server.");
2487		3278	async { reload_perl };
2488	# doing reload synchronously and two reloads happen back-to-back,
2489	# coro crashes during coro_state_free->destroy here.
2490
2491	$RELOAD_WATCHER ||= Event->timer (
2492	reentrant => 0,
2493	after => 0,
2494	data => WF_AUTOCANCEL,
2495	cb => sub {
2496	reload;
2497	undef $RELOAD_WATCHER;
2498	},
2499	);
2500	}	3279	}
2501	};	3280	};
2502		3281
2503	unshift @INC, $LIBDIR;	3282	unshift @INC, $LIBDIR;
2504		3283
2505	my $bug_warning = 0;	3284	my $bug_warning = 0;
2506		3285
		3286	our @WAIT_FOR_TICK;
		3287	our @WAIT_FOR_TICK_BEGIN;
		3288
		3289	sub wait_for_tick {
		3290	return unless $TICK_WATCHER->is_active;
		3291	return if $Coro::current == $Coro::main;
		3292
		3293	my $signal = new Coro::Signal;
		3294	push @WAIT_FOR_TICK, $signal;
		3295	$signal->wait;
		3296	}
		3297
		3298	sub wait_for_tick_begin {
		3299	return unless $TICK_WATCHER->is_active;
		3300	return if $Coro::current == $Coro::main;
		3301
		3302	my $signal = new Coro::Signal;
		3303	push @WAIT_FOR_TICK_BEGIN, $signal;
		3304	$signal->wait;
		3305	}
		3306
		3307	my $min = 1e6;#d#
		3308	my $avg = 10;
2507	$TICK_WATCHER = Event->timer (	3309	$TICK_WATCHER = Event->timer (
2508	reentrant => 0,	3310	reentrant => 0,
2509	parked => 1,	3311	parked => 1,
2510	prio => 0,	3312	prio => 0,
2511	at => $NEXT_TICK || $TICK,	3313	at => $NEXT_TICK || $TICK,
…		…
2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3317	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2516	unless ++$bug_warning > 10;	3318	unless ++$bug_warning > 10;
2517	return;	3319	return;
2518	}	3320	}
2519		3321
2520	$NOW = Event::time;	3322	$NOW = $tick_start = Event::time;
2521		3323
2522	cf::server_tick; # one server iteration	3324	cf::server_tick; # one server iteration
		3325
		3326	0 && sync_job {#d#
		3327	for(1..10) {
		3328	my $t = Event::time;
		3329	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3330	or die;
		3331
		3332	$map->width (50);
		3333	$map->height (50);
		3334	$map->alloc;
		3335	$map->_load_objects ("/tmp/x.map", 1);
		3336	my $t = Event::time - $t;
		3337
		3338	#next unless $t < 0.0013;#d#
		3339	if ($t < $min) {
		3340	$min = $t;
		3341	}
		3342	$avg = $avg * 0.99 + $t * 0.01;
		3343	}
		3344	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3345	exit 0;
		3346	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3347	};
		3348
2523	$RUNTIME += $TICK;	3349	$RUNTIME += $TICK;
2524	$NEXT_TICK += $TICK;	3350	$NEXT_TICK += $TICK;
2525		3351
2526	$WAIT_FOR_TICK->broadcast;	3352	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3353	$NEXT_RUNTIME_WRITE = $NOW + 10;
2528		3354	Coro::async_pool {
2529	Event::sweep;	3355	write_runtime
2530	Coro::cede_notself;	3356	or warn "ERROR: unable to write runtime file: $!";
		3357	};
2531		3358	}
		3359
2532	# my $AFTER = Event::time;	3360	# my $AFTER = Event::time;
2533	# warn $AFTER - $NOW;#d#	3361	# warn $AFTER - $NOW;#d#
2534		3362
		3363	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3364	$sig->send;
		3365	}
		3366	while (my $sig = shift @WAIT_FOR_TICK) {
		3367	$sig->send;
		3368	}
		3369
		3370	$NOW = Event::time;
		3371
2535	# if we are delayed by four ticks or more, skip them all	3372	# if we are delayed by four ticks or more, skip them all
2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3373	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2537		3374
2538	$TICK_WATCHER->at ($NEXT_TICK);	3375	$TICK_WATCHER->at ($NEXT_TICK);
2539	$TICK_WATCHER->start;	3376	$TICK_WATCHER->start;
		3377
		3378	$LOAD = ($NOW - $tick_start) / $TICK;
		3379	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3380
		3381	_post_tick;
		3382
		3383
2540	},	3384	},
2541	);	3385	);
2542		3386
		3387	{
		3388	BDB::max_poll_time $TICK * 0.1;
		3389	$BDB_POLL_WATCHER = Event->io (
		3390	reentrant => 0,
		3391	fd => BDB::poll_fileno,
		3392	poll => 'r',
		3393	prio => 0,
		3394	data => WF_AUTOCANCEL,
		3395	cb => \&BDB::poll_cb,
		3396	);
		3397	BDB::min_parallel 8;
		3398
		3399	BDB::set_sync_prepare {
		3400	my $status;
		3401	my $current = $Coro::current;
		3402	(
		3403	sub {
		3404	$status = $!;
		3405	$current->ready; undef $current;
		3406	},
		3407	sub {
		3408	Coro::schedule while defined $current;
		3409	$! = $status;
		3410	},
		3411	)
		3412	};
		3413
		3414	unless ($DB_ENV) {
		3415	$DB_ENV = BDB::db_env_create;
		3416
		3417	cf::sync_job {
		3418	eval {
		3419	BDB::db_env_open
		3420	$DB_ENV,
		3421	$BDBDIR,
		3422	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3423	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3424	0666;
		3425
		3426	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3427
		3428	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3429	$DB_ENV->set_lk_detect;
		3430	};
		3431
		3432	cf::cleanup "db_env_open(db): $@" if $@;
		3433	};
		3434	}
		3435	}
		3436
		3437	{
		3438	IO::AIO::min_parallel 8;
		3439
		3440	undef $Coro::AIO::WATCHER;
2543	IO::AIO::max_poll_time $TICK * 0.1;	3441	IO::AIO::max_poll_time $TICK * 0.1;
2544
2545	undef $Coro::AIO::WATCHER;
2546	$AIO_POLL_WATCHER = Event->io (	3442	$AIO_POLL_WATCHER = Event->io (
2547	reentrant => 0,	3443	reentrant => 0,
		3444	data => WF_AUTOCANCEL,
2548	fd => IO::AIO::poll_fileno,	3445	fd => IO::AIO::poll_fileno,
2549	poll => 'r',	3446	poll => 'r',
2550	prio => 6,	3447	prio => 6,
2551	data => WF_AUTOCANCEL,
2552	cb => \&IO::AIO::poll_cb,	3448	cb => \&IO::AIO::poll_cb,
2553	);	3449	);
		3450	}
2554		3451
2555	$WRITE_RUNTIME_WATCHER = Event->timer (	3452	my $_log_backtrace;
2556	reentrant => 0,	3453
2557	data => WF_AUTOCANCEL,	3454	sub _log_backtrace {
2558	after => 1,	3455	my ($msg, @addr) = @_;
2559	interval => 10,	3456
2560	prio => 6, # keep it lowest so it acts like a watchdog	3457	$msg =~ s/\n//;
2561	cb => Coro::unblock_sub {	3458
2562	write_runtime	3459	# limit the # of concurrent backtraces
2563	or warn "ERROR: unable to write runtime file: $!";	3460	if ($_log_backtrace < 2) {
		3461	++$_log_backtrace;
		3462	async {
		3463	my @bt = fork_call {
		3464	@addr = map { sprintf "%x", $_ } @addr;
		3465	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3466	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3467	or die "addr2line: $!";
		3468
		3469	my @funcs;
		3470	my @res = <$fh>;
		3471	chomp for @res;
		3472	while (@res) {
		3473	my ($func, $line) = splice @res, 0, 2, ();
		3474	push @funcs, "[$func] $line";
		3475	}
		3476
		3477	@funcs
		3478	};
		3479
		3480	LOG llevInfo, "[ABT] $msg\n";
		3481	LOG llevInfo, "[ABT] $_\n" for @bt;
		3482	--$_log_backtrace;
		3483	};
		3484	} else {
		3485	LOG llevInfo, "[ABT] $msg\n";
		3486	LOG llevInfo, "[ABT] [suppressed]\n";
2564	},	3487	}
2565	);	3488	}
		3489
		3490	# load additional modules
		3491	use cf::pod;
2566		3492
2567	END { cf::emergency_save }	3493	END { cf::emergency_save }
2568		3494
2569	1	3495	1
2570		3496

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines