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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.207 by root, Sun Feb 11 22:42:09 2007 UTC vs.
Revision 1.333 by root, Sun Aug 19 09:14:50 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 ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
24	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
27		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
28	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
29
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		44
32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
33	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
34		47
35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
36		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
37	our %COMMAND = ();	52	our %COMMAND = ();
38	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
39		54
40	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
44		60
		61	our $RELOAD; # number of reloads so far
45	our @EVENT;	62	our @EVENT;
46	our $LIBDIR = datadir . "/ext";
47		63
48	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
49	our $TICK_WATCHER;	77	our $TICK_WATCHER;
50	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
51	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	our $NEXT_TICK;	80	our $NEXT_TICK;
53	our $NOW;	81	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		83
56	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
…		…
62	our $RUNTIME;	90	our $RUNTIME;
63		91
64	our %PLAYER; # all users	92	our %PLAYER; # all users
65	our %MAP; # all maps	93	our %MAP; # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		95
73	# 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 ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		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 $tick_start; # for load detecting purposes
		102
76	binmode STDOUT;	103	binmode STDOUT;
77	binmode STDERR;	104	binmode STDERR;
78		105
79	# read virtual server time, if available	106	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
81	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
82	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
83	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
84	}	111	}
85		112
86	mkdir cf::localdir;	113	mkdir $_
87	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
88	mkdir cf::localdir . "/" . cf::tmpdir;
89	mkdir cf::localdir . "/" . cf::uniquedir;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		115
93	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
94		117
95	sub cf::map::normalise;	118	sub cf::map::normalise;
96		119
…		…
107	=item $cf::RUNTIME	130	=item $cf::RUNTIME
108		131
109	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
110	every server tick.	133	every server tick.
111		134
112	=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
113		138
114	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
115	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.
116		143
117	=item $cf::NOW	144	=item $cf::NOW
118		145
119	The time of the last (current) server tick.	146	The time of the last (current) server tick.
120		147
121	=item $cf::TICK	148	=item $cf::TICK
122		149
123	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.
124		161
125	=item %cf::CFG	162	=item %cf::CFG
126		163
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
128	from wherever your confdir points to.	165	from wherever your confdir points to.
129		166
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		168
132	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
133	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
134	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.
135	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.
136		178
137	=back	179	=back
138		180
139	=cut	181	=cut
140		182
141	BEGIN {	183	BEGIN {
142	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
143	my $msg = join "", @_;	185	my $msg = join "", @_;
144	utf8::encode $msg;
145		186
146	$msg .= "\n"	187	$msg .= "\n"
147	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
148		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
149	LOG llevError, $msg;	193	LOG llevError, $msg;
150	};	194	};
151	}	195	}
152		196
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@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';
158	@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)
159		204
160	# 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
161	# within the Safe compartment.	206	# within the Safe compartment.
162	for my $pkg (qw(	207	for my $pkg (qw(
163	cf::global cf::attachable	208	cf::global cf::attachable
…		…
171	}	216	}
172		217
173	$Event::DIED = sub {	218	$Event::DIED = sub {
174	warn "error in event callback: @_";	219	warn "error in event callback: @_";
175	};	220	};
		221
		222	#############################################################################
176		223
177	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
178		225
179	=over 4	226	=over 4
180		227
…		…
199	$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;
200	$d	247	$d
201	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
202	}	249	}
203		250
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
207		252
208	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
209		254
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
218		256
219	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
220		258
221	=cut	259	=cut
222		260
223	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
225	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
226	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
227		265
228	=item cf::lock_wait $string	266	=item cf::lock_wait $string
229		267
230	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
231		269
…		…
237	returned.	275	returned.
238		276
239	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
240	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
241		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
242	=cut	284	=cut
243		285
244	our %LOCK;	286	our %LOCK;
245		287
246	sub lock_wait($) {	288	sub lock_wait($) {
…		…
265	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
267	}	309	}
268	}	310	}
269		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
270	sub freeze_mainloop {	318	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
272		320
273	my $guard = Coro::guard {	321	my $guard = Coro::guard {
274	$TICK_WATCHER->start;	322	$TICK_WATCHER->start;
275	$WRITE_RUNTIME_WATCHER->start;
276	};	323	};
277	$WRITE_RUNTIME_WATCHER->stop;
278	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
279	$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;
280	}	382	}
281		383
282	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
283		385
284	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		391
290	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
291		393
292	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
293		395
294	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)
295	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
296	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.
297		400
298	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
299	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
300	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
301	fast or be very important.	404	fast or be very important.
…		…
304		407
305	sub sync_job(&) {	408	sub sync_job(&) {
306	my ($job) = @_;	409	my ($job) = @_;
307		410
308	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
309	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
311		416
312	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
313	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
324		429
325	while ($busy) {	430	while ($busy) {
326	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
327	}	432	}
328		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
329	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
330	} else {	442	} else {
331	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
332		444
333	$job->()	445	$job->()
…		…
352	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
353		465
354	$coro	466	$coro
355	}	467	}
356		468
357	sub write_runtime {	469	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		470
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	471	Executes the given code block with the given arguments in a seperate
361	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.
362		475
363	my $value = $cf::RUNTIME + 90 + 10;	476	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		477
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	478	sub fork_call(&@) {
368	and return;	479	my ($cb, @args) = @_;
369		480
370	# always fsync - this file is important	481	# we seemingly have to make a local copy of the whole thing,
371	aio_fsync $fh	482	# otherwise perl prematurely frees the stuff :/
372	and return;	483	# TODO: investigate and fix (liekly this will be rather laborious)
373		484
374	close $fh	485	my @res = Coro::Util::fork_eval {
375	or return;	486	reset_signals;
		487	&$cb
		488	}, @args;
376		489
377	aio_rename "$runtime~", $runtime	490	wantarray ? @res : $res[-1]
378	and return;	491	}
379		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	};
380	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 });
381	}	618	}
382		619
383	=back	620	=back
384		621
385	=cut	622	=cut
…		…
392	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")
393	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
394		631
395	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>
396	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
397	crossfire+).	634	Crossfire TRT).
398		635
399	=over 4	636	=over 4
400		637
401	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
402		639
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
566		803
567	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		808
572	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	810	my $pkg = shift @arg;
574		811
575	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
605	}	842	}
606		843
607	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
608	} else {	845	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	847	}
611		848
612	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
613	}	850	}
614		851
…		…
616	if (ref $_[0]) {	853	if (ref $_[0]) {
617	_object_attach @_;	854	_object_attach @_;
618	} else {	855	} else {
619	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
620	}	857	}
		858	_recalc_want;
621	};	859	};
622		860
623	# all those should be optimised	861	# all those should be optimised
624	sub cf::attachable::detach {	862	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
629	reattach ($obj);	867	reattach ($obj);
630	} else {	868	} else {
631	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
632	}	870	}
		871	_recalc_want;
633	};	872	};
634		873
635	sub cf::attachable::attached {	874	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
637		876
…		…
652	";	891	";
653	die if $@;	892	die if $@;
654	}	893	}
655		894
656	our $override;	895	our $override;
657	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?
658		897
659	sub override {	898	sub override {
660	$override = 1;	899	$override = 1;
661	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
662	}	901	}
663		902
664	sub do_invoke {	903	sub do_invoke {
665	my $event = shift;	904	my $event = shift;
666	my $callbacks = shift;	905	my $callbacks = shift;
667		906
668	@invoke_results = ();	907	@INVOKE_RESULTS = ();
669		908
670	local $override;	909	local $override;
671		910
672	for (@$callbacks) {	911	for (@$callbacks) {
673	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
690		929
691	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
692		931
693	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
694	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
695	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		935
697	=back	936	=back
698		937
699	=cut	938	=cut
700		939
701	#############################################################################	940	#############################################################################
702	# 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	}
703		953
704	sub reattach {	954	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	956	my ($obj) = @_;
707		957
…		…
784	}	1034	}
785	} else {	1035	} else {
786	aio_unlink $filename;	1036	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1037	aio_unlink "$filename.pst";
788	}	1038	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1039	}
796	}	1040	}
797		1041
798	sub object_freezer_as_string {	1042	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1043	my ($rdata, $objs) = @_;
…		…
805		1049
806	sub object_thawer_load {	1050	sub object_thawer_load {
807	my ($filename) = @_;	1051	my ($filename) = @_;
808		1052
809	my ($data, $av);	1053	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1054
814	(aio_load $filename, $data) >= 0	1055	(aio_load $filename, $data) >= 0
815	or return;	1056	or return;
816		1057
817	unless (aio_stat "$filename.pst") {	1058	unless (aio_stat "$filename.pst") {
…		…
819	or return;	1060	or return;
820	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
821	}	1062	}
822		1063
823	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
825	return ($data, $av);	1066	return ($data, $av);
826	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
827		1074
828	#############################################################################	1075	#############################################################################
829	# command handling &c	1076	# command handling &c
830		1077
831	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1092	}
846		1093
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1095
849	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.
850		1101
851	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
852	called.	1103	called.
853		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
854	=cut	1116	=cut
855		1117
856	sub register_extcmd {	1118	sub register_extcmd {
857	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
858		1120
859	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
860	}	1128	}
861		1129
862	cf::player->attach (	1130	cf::player->attach (
863	on_command => sub {	1131	on_command => sub {
864	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
873	cf::override;	1141	cf::override;
874	},	1142	},
875	on_extcmd => sub {	1143	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
877		1145
878	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1147
880	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
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
883	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
884	}	1158	if $reply;
885	}	1159	}
886	} else {	1160	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1162	}
889		1163
890	cf::override;	1164	cf::override;
891	},	1165	},
892	);	1166	);
893		1167
894	sub load_extension {
895	my ($path) = @_;
896
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
898	my $base = $1;
899	my $pkg = $1;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}
922	die $@;
923	}
924
925	push @EXTS, $pkg;
926	}
927
928	sub load_extensions {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
929	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1173	next unless -r $path;
931	eval {	1174
932	load_extension $ext;	1175	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1176	my $base = $1;
		1177	my $pkg = $1;
		1178	$pkg =~ s/[^[:word:]]/_/g;
		1179	$pkg = "ext::$pkg";
		1180
		1181	open my $fh, "<:utf8", $path
		1182	or die "$path: $!";
		1183
		1184	my $source = do { local $/; <$fh> };
		1185
		1186	my %ext = (
		1187	path => $path,
		1188	base => $base,
		1189	pkg => $pkg,
		1190	);
		1191
		1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1194
		1195	$ext{source} =
		1196	"package $pkg; use strict; use utf8;\n"
		1197	. "#line 1 \"$path\"\n{\n"
		1198	. $source
		1199	. "\n};\n1";
		1200
		1201	$todo{$base} = \%ext;
		1202	}
		1203
		1204	my %done;
		1205	while (%todo) {
		1206	my $progress;
		1207
		1208	while (my ($k, $v) = each %todo) {
		1209	for (split /,\s*/, $v->{meta}{depends}) {
		1210	goto skip
		1211	unless exists $done{$_};
		1212	}
		1213
		1214	warn "... loading '$k' into '$v->{pkg}'\n";
		1215
		1216	unless (eval $v->{source}) {
		1217	my $msg = $@ ? "$v->{path}: $@\n"
		1218	: "$v->{base}: extension inactive.\n";
		1219
		1220	if (exists $v->{meta}{mandatory}) {
		1221	warn $msg;
		1222	warn "mandatory extension failed to load, exiting.\n";
		1223	exit 1;
		1224	}
		1225
		1226	warn $msg;
		1227	}
		1228
		1229	$done{$k} = delete $todo{$k};
		1230	push @EXTS, $v->{pkg};
		1231	$progress = 1;
933	1	1232	}
934	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
935	}	1238	};
936	}	1239	}
937		1240
938	#############################################################################	1241	#############################################################################
939		1242
		1243	=back
		1244
940	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
941		1246
942	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
943		1248
944	=cut	1249	=cut
…		…
956	Returns the given player object, loading it if necessary (might block).	1261	Returns the given player object, loading it if necessary (might block).
957		1262
958	=cut	1263	=cut
959		1264
960	sub playerdir($) {	1265	sub playerdir($) {
961	cf::localdir	1266	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1267	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1268	}
967		1269
968	sub path($) {	1270	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1271	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1272
971	(playerdir $login) . "/$login.pl"	1273	(playerdir $login) . "/playerdata"
972	}	1274	}
973		1275
974	sub find_active($) {	1276	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1277	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1278	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1291	my $login = $_[0];
990		1292
991	my $guard = cf::lock_acquire "user_find:$login";	1293	my $guard = cf::lock_acquire "user_find:$login";
992		1294
993	$cf::PLAYER{$_[0]} || do {	1295	$cf::PLAYER{$_[0]} || do {
		1296	# rename old playerfiles to new ones
		1297	#TODO: remove when no longer required
		1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1301	aio_unlink +(playerdir $login) . "/$login.pl";
		1302
994	my $pl = load_pl path $login	1303	my $pl = load_pl path $login
995	or return;	1304	or return;
996	$cf::PLAYER{$login} = $pl	1305	$cf::PLAYER{$login} = $pl
997	}	1306	}
998	}	1307	}
…		…
1026	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
1027		1336
1028	$self	1337	$self
1029	}	1338	}
1030		1339
		1340	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1341
		1342	=cut
		1343
		1344	sub send_msg {
		1345	my $ns = shift->ns
		1346	or return;
		1347	$ns->send_msg (@_);
		1348	}
		1349
1031	=item $pl->quit_character	1350	=item $pl->quit_character
1032		1351
1033	Nukes the player without looking back. If logged in, the connection will	1352	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1353	be destroyed. May block for a long time.
1035		1354
1036	=cut	1355	=cut
1037		1356
1038	sub quit_character {	1357	sub quit_character {
1039	my ($pl) = @_;	1358	my ($pl) = @_;
		1359
		1360	my $name = $pl->ob->name;
1040		1361
1041	$pl->{deny_save} = 1;	1362	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1363	$pl->password ("*"); # this should lock out the player until we nuked the dir
1043		1364
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1049	my $path = playerdir $pl;	1370	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1371	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1372	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1373	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1374	$pl->destroy;
		1375
		1376	my $prefix = qr<^~\Q$name\E/>;
		1377
		1378	# nuke player maps
		1379	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1380
1054	IO::AIO::aio_rmtree $temp;	1381	IO::AIO::aio_rmtree $temp;
		1382	}
		1383
		1384	=item $pl->kick
		1385
		1386	Kicks a player out of the game. This destroys the connection.
		1387
		1388	=cut
		1389
		1390	sub kick {
		1391	my ($pl, $kicker) = @_;
		1392
		1393	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1394	$pl->killer ("kicked");
		1395	$pl->ns->destroy;
1055	}	1396	}
1056		1397
1057	=item cf::player::list_logins	1398	=item cf::player::list_logins
1058		1399
1059	Returns am arrayref of all valid playernames in the system, can take a	1400	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1401	while and may block, so not sync_job-capable, ever.
1061		1402
1062	=cut	1403	=cut
1063		1404
1064	sub list_logins {	1405	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1406	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1407	or return [];
1067		1408
1068	my @logins;	1409	my @logins;
1069		1410
1070	for my $login (@$dirs) {	1411	for my $login (@$dirs) {
…		…
1105	}	1446	}
1106		1447
1107	\@paths	1448	\@paths
1108	}	1449	}
1109		1450
		1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1452
		1453	Expand crossfire pod fragments into protocol xml.
		1454
		1455	=cut
		1456
		1457	sub expand_cfpod {
		1458	((my $self), (local $_)) = @_;
		1459
		1460	# escape & and <
		1461	s/&/&amp;/g;
		1462	s/(?<![BIUGH])</&lt;/g;
		1463
		1464	# this is buggy, it needs to properly take care of nested <'s
		1465
		1466	1 while
		1467	# replace B<>, I<>, U<> etc.
		1468	s/B<([^\>]*)>/<b>$1<\/b>/
		1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1471	# replace G<male|female> tags
		1472	|| s{G<([^>|]*)\|([^>]*)>}{
		1473	$self->gender ? $2 : $1
		1474	}ge
		1475	# replace H<hint text>
		1476	|| s{H<([^\>]*)>}
		1477	{
		1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1480	"")
		1481	[$self->{hintmode}]
		1482	}ge;
		1483
		1484	# create single paragraphs (very hackish)
		1485	s/(?<=\S)\n(?=\w)/ /g;
		1486
		1487	# compress some whitespace
		1488	s/\s+\n/\n/g; # ws line-ends
		1489	s/\n\n+/\n/g; # double lines
		1490	s/^\n+//; # beginning lines
		1491	s/\n+$//; # ending lines
		1492
		1493	$_
		1494	}
		1495
		1496	sub hintmode {
		1497	$_[0]{hintmode} = $_[1] if @_ > 1;
		1498	$_[0]{hintmode}
		1499	}
		1500
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1111		1502
1112	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1113		1504
1114	=cut	1505	=cut
1115		1506
1116	sub ext_reply($$$%) {	1507	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1118		1509
1119	$msg{msgid} = $id;	1510	if ($self->ns->extcmd == 2) {
1120		1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1121	$self->send ("ext " . cf::to_json \%msg);	1512	} elsif ($self->ns->extcmd == 1) {
		1513	#TODO: version 1, remove
		1514	unshift @msg, msgtype => "reply", msgid => $id;
		1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1516	}
1122	}	1517	}
1123		1518
1124	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		1526	my ($self, $type, @msg) = @_;
		1527
		1528	$self->ns->ext_msg ($type, @msg);
		1529	}
		1530
		1531	=head3 cf::region
		1532
		1533	=over 4
		1534
		1535	=cut
		1536
		1537	package cf::region;
		1538
		1539	=item cf::region::find_by_path $path
		1540
		1541	Tries to decuce the likely region for a map knowing only its path.
		1542
		1543	=cut
		1544
		1545	sub find_by_path($) {
		1546	my ($path) = @_;
		1547
		1548	my ($match, $specificity);
		1549
		1550	for my $region (list) {
		1551	if ($region->{match} && $path =~ $region->{match}) {
		1552	($match, $specificity) = ($region, $region->specificity)
		1553	if $region->specificity > $specificity;
		1554	}
		1555	}
		1556
		1557	$match
		1558	}
1125		1559
1126	=back	1560	=back
1127
1128		1561
1129	=head3 cf::map	1562	=head3 cf::map
1130		1563
1131	=over 4	1564	=over 4
1132		1565
…		…
1187	my ($self, $merge) = @_;	1620	my ($self, $merge) = @_;
1188		1621
1189	# we have to keep some variables in memory intact	1622	# we have to keep some variables in memory intact
1190	local $self->{path};	1623	local $self->{path};
1191	local $self->{load_path};	1624	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1625
1195	$self->SUPER::thawer_merge ($merge);	1626	$self->SUPER::thawer_merge ($merge);
1196	}	1627	}
1197		1628
1198	sub normalise {	1629	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1246	return $self;	1677	return $self;
1247	}	1678	}
1248	}	1679	}
1249		1680
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1682	()
1252	}	1683	}
1253		1684
1254	sub init {	1685	sub init {
1255	my ($self) = @_;	1686	my ($self) = @_;
…		…
1270		1701
1271	# the original (read-only) location	1702	# the original (read-only) location
1272	sub load_path {	1703	sub load_path {
1273	my ($self) = @_;	1704	my ($self) = @_;
1274		1705
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1706	"$MAPDIR/$self->{path}.map"
1276	}	1707	}
1277		1708
1278	# the temporary/swap location	1709	# the temporary/swap location
1279	sub save_path {	1710	sub save_path {
1280	my ($self) = @_;	1711	my ($self) = @_;
1281		1712
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1714	"$TMPDIR/$path.map"
1284	}	1715	}
1285		1716
1286	# the unique path, undef == no special unique path	1717	# the unique path, undef == no special unique path
1287	sub uniq_path {	1718	sub uniq_path {
1288	my ($self) = @_;	1719	my ($self) = @_;
1289		1720
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1722	"$UNIQUEDIR/$path"
1292	}	1723	}
1293		1724
1294	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1295	# all maps in C++...	1726	# all maps in C++...
1296	sub change_all_map_light {	1727	sub change_all_map_light {
…		…
1298		1729
1299	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
1301	}	1732	}
1302		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
		1740	}
		1741
1303	sub unlink_save {	1742	sub unlink_save {
1304	my ($self) = @_;	1743	my ($self) = @_;
1305		1744
1306	utf8::encode (my $save = $self->save_path);	1745	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1746	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	1748	}
1315		1749
1316	sub load_header_from($) {	1750	sub load_header_from($) {
1317	my ($self, $path) = @_;	1751	my ($self, $path) = @_;
1318		1752
…		…
1368	$self->load_header_orig	1802	$self->load_header_orig
1369	or return;	1803	or return;
1370	$self->prepare_orig;	1804	$self->prepare_orig;
1371	}	1805	}
1372		1806
		1807	$self->{deny_reset} = 1
		1808	if $self->no_reset;
		1809
		1810	$self->default_region (cf::region::find_by_path $self->{path})
		1811	unless $self->default_region;
		1812
1373	1	1813	1
1374	}	1814	}
1375		1815
1376	sub find;	1816	sub find;
1377	sub find {	1817	sub find {
…		…
1389	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1390		1830
1391	$map->load_header	1831	$map->load_header
1392	or return;	1832	or return;
1393		1833
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1835	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1836	#$cf::WAIT_FOR_TICK->wait;
1397	$map->reset;	1837	$map->reset;
1398	undef $guard;	1838	undef $guard;
1399	return find $path;	1839	return find $path;
…		…
1410	my ($self) = @_;	1850	my ($self) = @_;
1411		1851
1412	local $self->{deny_reset} = 1; # loading can take a long time	1852	local $self->{deny_reset} = 1; # loading can take a long time
1413		1853
1414	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
1415	my $guard = cf::lock_acquire "map_load:$path";	1857	my $guard = cf::lock_acquire "map_load:$path";
1416		1858
1417	return if $self->in_memory != cf::MAP_SWAPPED;	1859	return if $self->in_memory != cf::MAP_SWAPPED;
1418		1860
1419	$self->in_memory (cf::MAP_LOADING);	1861	$self->in_memory (cf::MAP_LOADING);
1420		1862
1421	$self->alloc;	1863	$self->alloc;
1422		1864
1423	$self->pre_load;	1865	$self->pre_load;
1424
1425	$self->_load_objects ($self->{load_path}, 1)
1426	or return;
1427
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1429	if delete $self->{load_original};
1430
1431	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {
1434	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);
1436	}
1437	}
1438
1439	Coro::cede;
1440
1441	# now do the right thing for maps
1442	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;	1866	Coro::cede;
1449	$self->set_darkness_map;	1867
		1868	$self->_load_objects ($self->{load_path}, 1)
		1869	or return;
		1870
		1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1872	if delete $self->{load_original};
		1873
		1874	if (my $uniq = $self->uniq_path) {
		1875	utf8::encode $uniq;
		1876	if (aio_open $uniq, O_RDONLY, 0) {
		1877	$self->clear_unique_items;
		1878	$self->_load_objects ($uniq, 0);
		1879	}
		1880	}
		1881
		1882	Coro::cede;
		1883	# now do the right thing for maps
		1884	$self->link_multipart_objects;
1450	$self->difficulty ($self->estimate_difficulty)	1885	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	1886	unless $self->difficulty;
1452	Coro::cede;	1887	Coro::cede;
		1888
		1889	unless ($self->{deny_activate}) {
		1890	$self->decay_objects;
		1891	$self->fix_auto_apply;
		1892	$self->update_buttons;
		1893	Coro::cede;
		1894	$self->set_darkness_map;
		1895	Coro::cede;
1453	$self->activate;	1896	$self->activate;
		1897	}
		1898
		1899	$self->{last_save} = $cf::RUNTIME;
		1900	$self->last_access ($cf::RUNTIME);
		1901
		1902	$self->in_memory (cf::MAP_IN_MEMORY);
1454	}	1903	}
1455		1904
1456	$self->post_load;	1905	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	1906	}
1460		1907
1461	sub customise_for {	1908	sub customise_for {
1462	my ($self, $ob) = @_;	1909	my ($self, $ob) = @_;
1463		1910
1464	return find "~" . $ob->name . "/" . $self->{path}	1911	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	1912	if $self->per_player;
1466		1913
		1914	# return find "?party/" . $ob->name . "/" . $self->{path}
		1915	# if $self->per_party;
		1916
1467	$self	1917	$self
1468	}	1918	}
1469		1919
1470	# find and load all maps in the 3x3 area around a map	1920	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	1921	sub load_neighbours {
1472	my ($map) = @_;	1922	my ($map) = @_;
1473		1923
1474	my @diag; # diagonal neighbours	1924	my @neigh; # diagonal neighbours
1475		1925
1476	for (0 .. 3) {	1926	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	1927	my $neigh = $map->tile_path ($_)
1478	or next;	1928	or next;
1479	$neigh = find $neigh, $map	1929	$neigh = find $neigh, $map
1480	or next;	1930	or next;
1481	$neigh->load;	1931	$neigh->load;
1482		1932
		1933	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1934	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1935	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	1936	}
1486		1937
1487	for (@diag) {	1938	for (grep defined $_->[0], @neigh) {
		1939	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	1940	my $neigh = find $path, $origin
1489	or next;	1941	or next;
1490	$neigh->load;	1942	$neigh->load;
1491	}	1943	}
1492	}	1944	}
1493		1945
…		…
1517		1969
1518	undef $MAP_PREFETCH{$path};	1970	undef $MAP_PREFETCH{$path};
1519	$MAP_PREFETCHER ||= cf::async {	1971	$MAP_PREFETCHER ||= cf::async {
1520	while (%MAP_PREFETCH) {	1972	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	1973	for my $path (keys %MAP_PREFETCH) {
1522	my $map = find $path	1974	if (my $map = find $path) {
1523	or next;
1524	$map->load;	1975	$map->load;
		1976	}
1525		1977
1526	delete $MAP_PREFETCH{$path};	1978	delete $MAP_PREFETCH{$path};
1527	}	1979	}
1528	}	1980	}
1529	undef $MAP_PREFETCHER;	1981	undef $MAP_PREFETCHER;
…		…
1581		2033
1582	sub reset_at {	2034	sub reset_at {
1583	my ($self) = @_;	2035	my ($self) = @_;
1584		2036
1585	# TODO: safety, remove and allow resettable per-player maps	2037	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2038	return 1e99 if $self->{deny_reset};
1588		2039
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2040	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2041	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2042
…		…
1602	my ($self) = @_;	2053	my ($self) = @_;
1603		2054
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2055	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2056
1606	return if $self->players;	2057	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2058
1609	warn "resetting map ", $self->path;#d#	2059	warn "resetting map ", $self->path;
		2060
		2061	$self->in_memory (cf::MAP_SWAPPED);
		2062
		2063	# need to save uniques path
		2064	unless ($self->{deny_save}) {
		2065	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2066
		2067	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2068	if $uniq;
		2069	}
1610		2070
1611	delete $cf::MAP{$self->path};	2071	delete $cf::MAP{$self->path};
1612		2072
1613	$self->in_memory (cf::MAP_SWAPPED);
1614	$self->clear;	2073	$self->clear;
1615		2074
1616	$_->clear_links_to ($self) for values %cf::MAP;	2075	$_->clear_links_to ($self) for values %cf::MAP;
1617		2076
1618	$self->unlink_save;	2077	$self->unlink_save;
…		…
1637	$cf::MAP{$self->path} = $self;	2096	$cf::MAP{$self->path} = $self;
1638		2097
1639	$self->reset; # polite request, might not happen	2098	$self->reset; # polite request, might not happen
1640	}	2099	}
1641		2100
		2101	=item $maps = cf::map::tmp_maps
		2102
		2103	Returns an arrayref with all map paths of currently instantiated and saved
		2104	maps. May block.
		2105
		2106	=cut
		2107
		2108	sub tmp_maps() {
		2109	[
		2110	map {
		2111	utf8::decode $_;
		2112	/\.map$/
		2113	? normalise $_
		2114	: ()
		2115	} @{ aio_readdir $TMPDIR or [] }
		2116	]
		2117	}
		2118
		2119	=item $maps = cf::map::random_maps
		2120
		2121	Returns an arrayref with all map paths of currently instantiated and saved
		2122	random maps. May block.
		2123
		2124	=cut
		2125
		2126	sub random_maps() {
		2127	[
		2128	map {
		2129	utf8::decode $_;
		2130	/\.map$/
		2131	? normalise "?random/$_"
		2132	: ()
		2133	} @{ aio_readdir $RANDOMDIR or [] }
		2134	]
		2135	}
		2136
1642	=item cf::map::unique_maps	2137	=item cf::map::unique_maps
1643		2138
1644	Returns an arrayref of paths of all shared maps that have	2139	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2140	instantiated unique items. May block.
1646		2141
1647	=cut	2142	=cut
1648		2143
1649	sub unique_maps() {	2144	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2145	[
1651	or return;	2146	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2147	utf8::decode $_;
1657	next if /\.pst$/;	2148	/\.map$/
1658	next unless /^$PATH_SEP/o;	2149	? normalise $_
1659		2150	: ()
1660	push @paths, cf::map::normalise $_;	2151	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2152	]
1662
1663	\@paths
1664	}	2153	}
1665		2154
1666	package cf;	2155	package cf;
1667		2156
1668	=back	2157	=back
…		…
1714		2203
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2204	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2205
1717	if ($self->{record_replies}) {	2206	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2207	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2208
1719	} else {	2209	} else {
		2210	my $pl = $self->contr;
		2211
		2212	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2213	my $dialog = $pl->{npc_dialog};
		2214	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2215
		2216	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2217	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2218	$self->message ($msg, $flags);
		2219	}
1722	}	2220	}
		2221	}
		2222
		2223	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2224
		2225	=cut
		2226
		2227	sub cf::object::send_msg {
		2228	my $pl = shift->contr
		2229	or return;
		2230	$pl->send_msg (@_);
1723	}	2231	}
1724		2232
1725	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
1726		2234
1727	Returns wether the given player is authorized to access resource "access"	2235	Returns wether the given player is authorized to access resource "access"
…		…
1774	$self->deactivate_recursive;	2282	$self->deactivate_recursive;
1775		2283
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2284	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2285
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2287	if $self->map && $self->map->{path} ne "{link}";
1780		2288
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2290	}
1783		2291
1784	sub cf::object::player::leave_link {	2292	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2293	my ($self, $map, $x, $y) = @_;
		2294
		2295	return unless $self->contr->active;
1786		2296
1787	my $link_pos = delete $self->{_link_pos};	2297	my $link_pos = delete $self->{_link_pos};
1788		2298
1789	unless ($map) {	2299	unless ($map) {
1790	# restore original map position	2300	# restore original map position
…		…
1804	# use -1 or undef as default coordinates, not 0, 0	2314	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2315	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2316	if $x <=0 && $y <= 0;
1807		2317
1808	$map->load;	2318	$map->load;
1809	$map->load_diag;	2319	$map->load_neighbours;
1810		2320
1811	return unless $self->contr->active;	2321	return unless $self->contr->active;
1812	$self->activate_recursive;	2322	$self->activate_recursive;
		2323
		2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2325	$self->enter_map ($map, $x, $y);
1814	}	2326	}
1815		2327
1816	cf::player->attach (	2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2329
1820	# abort map switching before logout	2330	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2331	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2332	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2333	the new (success) or old (failed) map position. In either case, $done will
1824	};	2334	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2335
1830	# try to abort aborted map switching on player login :)
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2336	=cut
		2337
		2338	our $GOTOGEN;
1851		2339
1852	sub cf::object::player::goto {	2340	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2341	my ($self, $path, $x, $y, $check, $done) = @_;
		2342
		2343	# do generation counting so two concurrent goto's will be executed in-order
		2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2345
1855	$self->enter_link;	2346	$self->enter_link;
1856		2347
1857	(async {	2348	(async {
1858	my $map = eval {	2349	my $map = eval {
1859	my $map = cf::map::find $path;	2350	my $map = cf::map::find $path;
		2351
		2352	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2353	$map = $map->customise_for ($self);
		2354	$map = $check->($map) if $check && $map;
		2355	} else {
		2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2357	}
		2358
1861	$map	2359	$map
		2360	};
		2361
		2362	if ($@) {
		2363	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2364	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2365	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2366
		2367	if ($gen == $self->{_goto_generation}) {
		2368	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2369	$self->leave_link ($map, $x, $y);
		2370	}
		2371
		2372	$done->() if $done;
1866	})->prio (1);	2373	})->prio (1);
1867	}	2374	}
1868		2375
1869	=item $player_object->enter_exit ($exit_object)	2376	=item $player_object->enter_exit ($exit_object)
1870		2377
…		…
1909		2416
1910	$rmp->{random_seed} ||= $exit->random_seed;	2417	$rmp->{random_seed} ||= $exit->random_seed;
1911		2418
1912	my $data = cf::to_json $rmp;	2419	my $data = cf::to_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2420	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2421	my $meta = "$RANDOMDIR/$md5.meta";
1915		2422
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2424	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2425	undef $fh;
1919	aio_rename "$meta~", $meta;	2426	aio_rename "$meta~", $meta;
…		…
1928		2435
1929	return unless $self->type == cf::PLAYER;	2436	return unless $self->type == cf::PLAYER;
1930		2437
1931	if ($exit->slaying eq "/!") {	2438	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job	2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2440	# the problem is that $exit might not survive long enough
		2441	# so it needs to be done right now, right here
1933	cf::sync_job { prepare_random_map $exit };	2442	cf::sync_job { prepare_random_map $exit };
1934	}	2443	}
1935		2444
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;	2446	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;	2447	my $sp = $exit->stats->sp;
1939		2448
1940	$self->enter_link;	2449	$self->enter_link;
		2450
		2451	# if exit is damned, update players death & WoR home-position
		2452	$self->contr->savebed ($slaying, $hp, $sp)
		2453	if $exit->flag (FLAG_DAMNED);
1941		2454
1942	(async {	2455	(async {
1943	$self->deactivate_recursive; # just to be sure	2456	$self->deactivate_recursive; # just to be sure
1944	unless (eval {	2457	unless (eval {
1945	$self->goto ($slaying, $hp, $sp);	2458	$self->goto ($slaying, $hp, $sp);
1946		2459
1947	1;	2460	1;
1948	}) {	2461	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2462	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2463	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2464	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2465	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2466
1954	warn "ERROR in enter_exit: $@";	2467	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2468	$self->leave_link;
1956	}	2469	}
1957	})->prio (1);	2470	})->prio (1);
…		…
1970		2483
1971	sub cf::client::send_drawinfo {	2484	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2485	my ($self, $text, $flags) = @_;
1973		2486
1974	utf8::encode $text;	2487	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2489	}
1977		2490
		2491	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2492
		2493	Send a drawinfo or msg packet to the client, formatting the msg for the
		2494	client if neccessary. C<$type> should be a string identifying the type of
		2495	the message, with C<log> being the default. If C<$color> is negative, suppress
		2496	the message unless the client supports the msg packet.
		2497
		2498	=cut
		2499
		2500	sub cf::client::send_msg {
		2501	my ($self, $channel, $msg, $color, @extra) = @_;
		2502
		2503	$msg = $self->pl->expand_cfpod ($msg);
		2504
		2505	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2506
		2507	if (ref $channel) {
		2508	# send meta info to client, if not yet sent
		2509	unless (exists $self->{channel}{$channel->{id}}) {
		2510	$self->{channel}{$channel->{id}} = $channel;
		2511	$self->ext_msg (channel_info => $channel);
		2512	}
		2513
		2514	$channel = $channel->{id};
		2515	}
		2516
		2517	return unless @extra || length $msg;
		2518
		2519	if ($self->can_msg) {
		2520	# default colour, mask it out
		2521	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2522	if $color & cf::NDI_DEF;
		2523
		2524	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2525	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2526	} else {
		2527	if ($color >= 0) {
		2528	# replace some tags by gcfclient-compatible ones
		2529	for ($msg) {
		2530	1 while
		2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2536	}
		2537
		2538	$color &= cf::NDI_COLOR_MASK;
		2539
		2540	utf8::encode $msg;
		2541
		2542	if (0 && $msg =~ /\[/) {
		2543	# COMMAND/INFO
		2544	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2545	} else {
		2546	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2547	$self->send_packet ("drawinfo $color $msg")
		2548	}
		2549	}
		2550	}
		2551	}
		2552
		2553	=item $client->ext_msg ($type, @msg)
		2554
		2555	Sends an ext event to the client.
		2556
		2557	=cut
		2558
		2559	sub cf::client::ext_msg($$@) {
		2560	my ($self, $type, @msg) = @_;
		2561
		2562	my $extcmd = $self->extcmd;
		2563
		2564	if ($extcmd == 2) {
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2566	} elsif ($extcmd == 1) { # TODO: remove
		2567	push @msg, msgtype => "event_$type";
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2569	}
		2570	}
1978		2571
1979	=item $success = $client->query ($flags, "text", \&cb)	2572	=item $success = $client->query ($flags, "text", \&cb)
1980		2573
1981	Queues a query to the client, calling the given callback with	2574	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2575	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2576	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2577
1985	Queries can fail, so check the return code. Or don't, as queries will become	2578	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2579	become reliable at some point in the future.
1987		2580
1988	=cut	2581	=cut
1989		2582
1990	sub cf::client::query {	2583	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2584	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2592	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2593	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2594
2002	$self->send_packet ($self->{query_queue}[0][0])	2595	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2596	if @{ $self->{query_queue} } == 1;
		2597
		2598	1
2004	}	2599	}
2005		2600
2006	cf::client->attach (	2601	cf::client->attach (
		2602	on_connect => sub {
		2603	my ($ns) = @_;
		2604
		2605	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2606	},
2007	on_reply => sub {	2607	on_reply => sub {
2008	my ($ns, $msg) = @_;	2608	my ($ns, $msg) = @_;
2009		2609
2010	# this weird shuffling is so that direct followup queries	2610	# this weird shuffling is so that direct followup queries
2011	# get handled first	2611	# get handled first
…		…
2023	} else {	2623	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2624	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2625	}
2026	}	2626	}
2027	},	2627	},
		2628	on_exticmd => sub {
		2629	my ($ns, $buf) = @_;
		2630
		2631	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2632
		2633	if (ref $msg) {
		2634	my ($type, $reply, @payload) =
		2635	"ARRAY" eq ref $msg
		2636	? @$msg
		2637	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2638
		2639	if (my $cb = $EXTICMD{$type}) {
		2640	my @reply = $cb->($ns, @payload);
		2641
		2642	$ns->ext_reply ($reply, @reply)
		2643	if $reply;
		2644	}
		2645	} else {
		2646	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2647	}
		2648
		2649	cf::override;
		2650	},
2028	);	2651	);
2029		2652
2030	=item $client->async (\&cb)	2653	=item $client->async (\&cb)
2031		2654
2032	Create a new coroutine, running the specified callback. The coroutine will	2655	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	2696	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	2697	our $safe_hole = new Safe::Hole;
2075		2698
2076	$SIG{FPE} = 'IGNORE';	2699	$SIG{FPE} = 'IGNORE';
2077		2700
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2701	$safe->permit_only (Opcode::opset qw(
		2702	:base_core :base_mem :base_orig :base_math
		2703	grepstart grepwhile mapstart mapwhile
		2704	sort time
		2705	));
2079		2706
2080	# here we export the classes and methods available to script code	2707	# here we export the classes and methods available to script code
2081		2708
2082	=pod	2709	=pod
2083		2710
2084	The following fucntions and emthods are available within a safe environment:	2711	The following functions and methods are available within a safe environment:
2085		2712
2086	cf::object contr pay_amount pay_player map	2713	cf::object
		2714	contr pay_amount pay_player map x y force_find force_add
		2715	insert remove name archname title slaying race
		2716
2087	cf::object::player player	2717	cf::object::player
2088	cf::player peaceful	2718	player
2089	cf::map trigger	2719
		2720	cf::player
		2721	peaceful
		2722
		2723	cf::map
		2724	trigger
2090		2725
2091	=cut	2726	=cut
2092		2727
2093	for (	2728	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	2729	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2730	insert remove inv name archname title slaying race)],
2095	["cf::object::player" => qw(player)],	2731	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	2732	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	2733	["cf::map" => qw(trigger)],
2098	) {	2734	) {
2099	no strict 'refs';	2735	no strict 'refs';
…		…
2170	=back	2806	=back
2171		2807
2172	=cut	2808	=cut
2173		2809
2174	#############################################################################	2810	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281
2282	#############################################################################
2283	# the server's init and main functions	2811	# the server's init and main functions
2284		2812
2285	sub load_resources {	2813	sub load_facedata($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2814	my ($path) = @_;
		2815
		2816	warn "loading facedata from $path\n";
		2817
		2818	my $facedata;
		2819	0 < aio_load $path, $facedata
		2820	or die "$path: $!";
		2821
		2822	$facedata = Coro::Storable::thaw $facedata;
		2823
		2824	$facedata->{version} == 2
		2825	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2826
		2827	{
		2828	my $faces = $facedata->{faceinfo};
		2829
		2830	while (my ($face, $info) = each %$faces) {
		2831	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2832	cf::face::set_visibility $idx, $info->{visibility};
		2833	cf::face::set_magicmap $idx, $info->{magicmap};
		2834	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2835	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2836
		2837	cf::cede_to_tick;
		2838	}
		2839
		2840	while (my ($face, $info) = each %$faces) {
		2841	next unless $info->{smooth};
		2842	my $idx = cf::face::find $face
		2843	or next;
		2844	if (my $smooth = cf::face::find $info->{smooth}) {
		2845	cf::face::set_smooth $idx, $smooth;
		2846	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2847	} else {
		2848	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2849	}
		2850
		2851	cf::cede_to_tick;
		2852	}
		2853	}
		2854
		2855	{
		2856	my $anims = $facedata->{animinfo};
		2857
		2858	while (my ($anim, $info) = each %$anims) {
		2859	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2860	cf::cede_to_tick;
		2861	}
		2862
		2863	cf::anim::invalidate_all; # d'oh
		2864	}
		2865
		2866	{
		2867	# TODO: for gcfclient pleasure, we should give resources
		2868	# that gcfclient doesn't grok a >10000 face index.
		2869	my $res = $facedata->{resource};
		2870	my $enc = JSON::XS->new->utf8->canonical;
		2871
		2872	my $soundconf = delete $res->{"res/sound.conf"};
		2873
		2874	while (my ($name, $info) = each %$res) {
		2875	my $meta = $enc->encode ({
		2876	name => $name,
		2877	%{ $info->{meta} || {} },
		2878	});
		2879
		2880	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2881
		2882	if ($info->{type} & 1) {
		2883	# prepend meta info
		2884
		2885	my $data = pack "(w/a*)*", $meta, $info->{data};
		2886	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2887
		2888	cf::face::set_data $idx, 0, $data, $chk;
		2889	} else {
		2890	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2891	}
		2892
		2893	cf::face::set_type $idx, $info->{type};
		2894
		2895	cf::cede_to_tick;
		2896	}
		2897
		2898	if ($soundconf) {
		2899	$soundconf = $enc->decode (delete $soundconf->{data});
		2900
		2901	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2902	my $sound = $soundconf->{compat}[$_]
		2903	or next;
		2904
		2905	my $face = cf::face::find "sound/$sound->[1]";
		2906	cf::sound::set $sound->[0] => $face;
		2907	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2908	}
		2909
		2910	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2911	my $face = cf::face::find "sound/$v";
		2912	cf::sound::set $k => $face;
		2913	}
		2914	}
		2915	}
		2916
		2917	1
		2918	}
		2919
		2920	register_exticmd fx_want => sub {
		2921	my ($ns, $want) = @_;
		2922
		2923	while (my ($k, $v) = each %$want) {
		2924	$ns->fx_want ($k, $v);
		2925	}
		2926	};
		2927
		2928	sub reload_regions {
		2929	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	2930	or die "unable to load regions file\n";
		2931
		2932	for (cf::region::list) {
		2933	$_->{match} = qr/$_->{match}/
		2934	if exists $_->{match};
		2935	}
		2936	}
		2937
		2938	sub reload_facedata {
		2939	load_facedata "$DATADIR/facedata"
		2940	or die "unable to load facedata\n";
		2941	}
		2942
		2943	sub reload_archetypes {
		2944	load_resource_file "$DATADIR/archetypes"
		2945	or die "unable to load archetypes\n";
		2946	#d# NEED to laod twice to resolve forward references
		2947	# this really needs to be done in an extra post-pass
		2948	# (which needs to be synchronous, so solve it differently)
		2949	load_resource_file "$DATADIR/archetypes"
		2950	or die "unable to load archetypes\n";
		2951	}
		2952
		2953	sub reload_treasures {
		2954	load_resource_file "$DATADIR/treasures"
		2955	or die "unable to load treasurelists\n";
		2956	}
		2957
		2958	sub reload_resources {
		2959	warn "reloading resource files...\n";
		2960
		2961	reload_regions;
		2962	reload_facedata;
		2963	#reload_archetypes;#d#
		2964	reload_archetypes;
		2965	reload_treasures;
		2966
		2967	warn "finished reloading resource files\n";
		2968	}
		2969
		2970	sub init {
		2971	reload_resources;
2288	}	2972	}
2289		2973
2290	sub cfg_load {	2974	sub cfg_load {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	2975	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	2976	or return;
2293		2977
2294	local $/;	2978	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	2979	*CFG = YAML::Syck::Load <$fh>;
2296		2980
…		…
2304	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2988	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2305	and die "WARNING: m(un)lockall failed: $!\n";	2989	and die "WARNING: m(un)lockall failed: $!\n";
2306	};	2990	};
2307	warn $@ if $@;	2991	warn $@ if $@;
2308	}	2992	}
2309	}
2310
2311	sub init {
2312	load_resources;
2313	}	2993	}
2314		2994
2315	sub main {	2995	sub main {
2316	# we must not ever block the main coroutine	2996	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	2997	local $Coro::idle = sub {
…		…
2320	Event::one_event;	3000	Event::one_event;
2321	})->prio (Coro::PRIO_MAX);	3001	})->prio (Coro::PRIO_MAX);
2322	};	3002	};
2323		3003
2324	cfg_load;	3004	cfg_load;
2325	db_load;	3005	db_init;
2326	load_extensions;	3006	load_extensions;
2327		3007
2328	$TICK_WATCHER->start;	3008	$TICK_WATCHER->start;
2329	Event::loop;	3009	Event::loop;
2330	}	3010	}
…		…
2345	},	3025	},
2346	);	3026	);
2347	}	3027	}
2348	}	3028	}
2349		3029
		3030	sub write_runtime {
		3031	my $runtime = "$LOCALDIR/runtime";
		3032
		3033	# first touch the runtime file to show we are still running:
		3034	# the fsync below can take a very very long time.
		3035
		3036	IO::AIO::aio_utime $runtime, undef, undef;
		3037
		3038	my $guard = cf::lock_acquire "write_runtime";
		3039
		3040	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3041	or return;
		3042
		3043	my $value = $cf::RUNTIME + 90 + 10;
		3044	# 10 is the runtime save interval, for a monotonic clock
		3045	# 60 allows for the watchdog to kill the server.
		3046
		3047	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3048	and return;
		3049
		3050	# always fsync - this file is important
		3051	aio_fsync $fh
		3052	and return;
		3053
		3054	# touch it again to show we are up-to-date
		3055	aio_utime $fh, undef, undef;
		3056
		3057	close $fh
		3058	or return;
		3059
		3060	aio_rename "$runtime~", $runtime
		3061	and return;
		3062
		3063	warn "runtime file written.\n";
		3064
		3065	1
		3066	}
		3067
2350	sub emergency_save() {	3068	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3069	my $freeze_guard = cf::freeze_mainloop;
2352		3070
2353	warn "enter emergency perl save\n";	3071	warn "enter emergency perl save\n";
2354		3072
…		…
2369	my $map = $cf::MAP{$path} or next;	3087	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3088	$map->valid or next;
2371	$map->save;	3089	$map->save;
2372	}	3090	}
2373	warn "end emergency map save\n";	3091	warn "end emergency map save\n";
		3092
		3093	warn "begin emergency database checkpoint\n";
		3094	BDB::db_env_txn_checkpoint $DB_ENV;
		3095	warn "end emergency database checkpoint\n";
2374	};	3096	};
2375		3097
2376	warn "leave emergency perl save\n";	3098	warn "leave emergency perl save\n";
2377	}	3099	}
2378		3100
		3101	sub post_cleanup {
		3102	my ($make_core) = @_;
		3103
		3104	warn Carp::longmess "post_cleanup backtrace"
		3105	if $make_core;
		3106	}
		3107
2379	sub reload() {	3108	sub do_reload_perl() {
2380	# can/must only be called in main	3109	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3110	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3111	warn "can only reload from main coroutine";
2383	return;	3112	return;
2384	}	3113	}
2385		3114
2386	warn "reloading...";	3115	warn "reloading...";
2387		3116
2388	warn "cancelling server ticker";	3117	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3118
		3119	cf::sync_job {
		3120	cf::write_runtime; # external watchdog should not bark
2391	cf::emergency_save;	3121	cf::emergency_save;
		3122	cf::write_runtime; # external watchdog should not bark
2392		3123
2393	eval {	3124	warn "syncing database to disk";
		3125	BDB::db_env_txn_checkpoint $DB_ENV;
		3126
2394	# if anything goes wrong in here, we should simply crash as we already saved	3127	# if anything goes wrong in here, we should simply crash as we already saved
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398		3128
2399	warn "cancelling all WF_AUTOCANCEL watchers";	3129	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {	3130	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;	3131	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}	3132	}
2403		3133
2404	warn "flushing outstanding aio requests";	3134	warn "flushing outstanding aio requests";
2405	for (;;) {	3135	for (;;) {
		3136	BDB::flush;
2406	IO::AIO::flush;	3137	IO::AIO::flush;
2407	Coro::cede;	3138	Coro::cede;
2408	last unless IO::AIO::nreqs;	3139	last unless IO::AIO::nreqs || BDB::nreqs;
2409	warn "iterate...";	3140	warn "iterate...";
2410	}	3141	}
		3142
		3143	++$RELOAD;
2411		3144
2412	warn "cancelling all extension coros";	3145	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3146	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3147	%EXT_CORO = ();
2415		3148
2416	warn "removing commands";	3149	warn "removing commands";
2417	%COMMAND = ();	3150	%COMMAND = ();
2418		3151
2419	warn "removing ext commands";	3152	warn "removing ext/exti commands";
2420	%EXTCMD = ();	3153	%EXTCMD = ();
		3154	%EXTICMD = ();
2421		3155
2422	warn "unloading/nuking all extensions";	3156	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3157	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3158	warn "... unloading $pkg";
2425		3159
…		…
2455	Symbol::delete_package "safe::$_"	3189	Symbol::delete_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3190	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3191
2458	warn "unloading cf.pm \"a bit\"";	3192	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3193	delete $INC{"cf.pm"};
		3194	delete $INC{"cf/pod.pm"};
2460		3195
2461	# don't, removes xs symbols, too,	3196	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3197	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3198	#Symbol::delete_package __PACKAGE__;
2464		3199
…		…
2468	require cf;	3203	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3204	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3205
2471	warn "loading config and database again";	3206	warn "loading config and database again";
2472	cf::cfg_load;	3207	cf::cfg_load;
2473	cf::db_load;
2474		3208
2475	warn "loading extensions";	3209	warn "loading extensions";
2476	cf::load_extensions;	3210	cf::load_extensions;
2477		3211
2478	warn "reattaching attachments to objects/players";	3212	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3213	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3214	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3215	reattach $_ for values %MAP;
		3216	warn "reattaching attachments to players";
		3217	reattach $_ for values %PLAYER;
2482		3218
2483	warn "loading reloadable resources";	3219	warn "leaving sync_job";
2484	load_resources;
2485		3220
2486	warn "restarting server ticker";	3221	1
2487		3222	} or do {
2488	$TICK_WATCHER->start;
2489	};
2490
2491	if ($@) {
2492	warn $@;	3223	warn $@;
2493	warn "error while reloading, exiting.";	3224	warn "error while reloading, exiting.";
2494	exit 1;	3225	exit 1;
2495	}	3226	};
2496		3227
2497	warn "reloaded";	3228	warn "reloaded";
2498	};	3229	};
2499		3230
2500	our $RELOAD_WATCHER; # used only during reload	3231	our $RELOAD_WATCHER; # used only during reload
2501		3232
		3233	sub reload_perl() {
		3234	# doing reload synchronously and two reloads happen back-to-back,
		3235	# coro crashes during coro_state_free->destroy here.
		3236
		3237	$RELOAD_WATCHER ||= Event->timer (
		3238	reentrant => 0,
		3239	after => 0,
		3240	data => WF_AUTOCANCEL,
		3241	cb => sub {
		3242	do_reload_perl;
		3243	undef $RELOAD_WATCHER;
		3244	},
		3245	);
		3246	}
		3247
2502	register_command "reload" => sub {	3248	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3249	my ($who, $arg) = @_;
2504		3250
2505	if ($who->flag (FLAG_WIZ)) {	3251	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3252	$who->message ("reloading server.");
2507		3253	async { reload_perl };
2508	# doing reload synchronously and two reloads happen back-to-back,
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);
2520	}	3254	}
2521	};	3255	};
2522		3256
2523	unshift @INC, $LIBDIR;	3257	unshift @INC, $LIBDIR;
2524		3258
2525	my $bug_warning = 0;	3259	my $bug_warning = 0;
2526		3260
		3261	our @WAIT_FOR_TICK;
		3262	our @WAIT_FOR_TICK_BEGIN;
		3263
		3264	sub wait_for_tick {
		3265	return unless $TICK_WATCHER->is_active;
		3266	return if $Coro::current == $Coro::main;
		3267
		3268	my $signal = new Coro::Signal;
		3269	push @WAIT_FOR_TICK, $signal;
		3270	$signal->wait;
		3271	}
		3272
		3273	sub wait_for_tick_begin {
		3274	return unless $TICK_WATCHER->is_active;
		3275	return if $Coro::current == $Coro::main;
		3276
		3277	my $signal = new Coro::Signal;
		3278	push @WAIT_FOR_TICK_BEGIN, $signal;
		3279	$signal->wait;
		3280	}
		3281
		3282	my $min = 1e6;#d#
		3283	my $avg = 10;
2527	$TICK_WATCHER = Event->timer (	3284	$TICK_WATCHER = Event->timer (
2528	reentrant => 0,	3285	reentrant => 0,
2529	parked => 1,	3286	parked => 1,
2530	prio => 0,	3287	prio => 0,
2531	at => $NEXT_TICK || $TICK,	3288	at => $NEXT_TICK || $TICK,
…		…
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3292	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3293	unless ++$bug_warning > 10;
2537	return;	3294	return;
2538	}	3295	}
2539		3296
2540	$NOW = Event::time;	3297	$NOW = $tick_start = Event::time;
2541		3298
2542	cf::server_tick; # one server iteration	3299	cf::server_tick; # one server iteration
		3300
		3301	0 && sync_job {#d#
		3302	for(1..10) {
		3303	my $t = Event::time;
		3304	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3305	or die;
		3306
		3307	$map->width (50);
		3308	$map->height (50);
		3309	$map->alloc;
		3310	$map->_load_objects ("/tmp/x.map", 1);
		3311	my $t = Event::time - $t;
		3312
		3313	#next unless $t < 0.0013;#d#
		3314	if ($t < $min) {
		3315	$min = $t;
		3316	}
		3317	$avg = $avg * 0.99 + $t * 0.01;
		3318	}
		3319	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3320	exit 0;
		3321	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3322	};
		3323
2543	$RUNTIME += $TICK;	3324	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;	3325	$NEXT_TICK += $TICK;
2545		3326
2546	$WAIT_FOR_TICK->broadcast;	3327	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3328	$NEXT_RUNTIME_WRITE = $NOW + 10;
2548		3329	Coro::async_pool {
2549	Event::sweep;	3330	write_runtime
2550	Coro::cede_notself;	3331	or warn "ERROR: unable to write runtime file: $!";
		3332	};
2551		3333	}
		3334
2552	# my $AFTER = Event::time;	3335	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#	3336	# warn $AFTER - $NOW;#d#
2554		3337
		3338	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3339	$sig->send;
		3340	}
		3341	while (my $sig = shift @WAIT_FOR_TICK) {
		3342	$sig->send;
		3343	}
		3344
		3345	$NOW = Event::time;
		3346
2555	# if we are delayed by four ticks or more, skip them all	3347	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3348	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2557		3349
2558	$TICK_WATCHER->at ($NEXT_TICK);	3350	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;	3351	$TICK_WATCHER->start;
		3352
		3353	$LOAD = ($NOW - $tick_start) / $TICK;
		3354	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3355
		3356	_post_tick;
		3357
		3358
2560	},	3359	},
2561	);	3360	);
2562		3361
2563	{	3362	{
2564	BDB::max_poll_time $TICK * 0.1;	3363	BDB::max_poll_time $TICK * 0.1;
…		…
2589		3388
2590	unless ($DB_ENV) {	3389	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3390	$DB_ENV = BDB::db_env_create;
2592		3391
2593	cf::sync_job {	3392	cf::sync_job {
		3393	eval {
2594	BDB::db_env_open	3394	BDB::db_env_open
2595	$DB_ENV,	3395	$DB_ENV,
2596	$BDB_ENV_DIR,	3396	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3397	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3398	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3399	0666;
2600		3400
2601	cf::cleanup "$!" if $!;	3401	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3402
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3403	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2604	$DB_ENV->set_lk_detect;	3404	$DB_ENV->set_lk_detect;
		3405	};
		3406
		3407	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	3408	};
2606	}	3409	}
2607	}	3410	}
2608		3411
2609	{	3412	{
…		…
2611		3414
2612	undef $Coro::AIO::WATCHER;	3415	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	3416	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	3417	$AIO_POLL_WATCHER = Event->io (
2615	reentrant => 0,	3418	reentrant => 0,
		3419	data => WF_AUTOCANCEL,
2616	fd => IO::AIO::poll_fileno,	3420	fd => IO::AIO::poll_fileno,
2617	poll => 'r',	3421	poll => 'r',
2618	prio => 6,	3422	prio => 6,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,	3423	cb => \&IO::AIO::poll_cb,
2621	);	3424	);
2622	}	3425	}
2623		3426
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	3427	my $_log_backtrace;
2625	reentrant => 0,	3428
2626	data => WF_AUTOCANCEL,	3429	sub _log_backtrace {
2627	after => 1,	3430	my ($msg, @addr) = @_;
2628	interval => 10,	3431
2629	prio => 6, # keep it lowest so it acts like a watchdog	3432	$msg =~ s/\n//;
2630	cb => Coro::unblock_sub {	3433
2631	write_runtime	3434	# limit the # of concurrent backtraces
2632	or warn "ERROR: unable to write runtime file: $!";	3435	if ($_log_backtrace < 2) {
		3436	++$_log_backtrace;
		3437	async {
		3438	my @bt = fork_call {
		3439	@addr = map { sprintf "%x", $_ } @addr;
		3440	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3441	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3442	or die "addr2line: $!";
		3443
		3444	my @funcs;
		3445	my @res = <$fh>;
		3446	chomp for @res;
		3447	while (@res) {
		3448	my ($func, $line) = splice @res, 0, 2, ();
		3449	push @funcs, "[$func] $line";
		3450	}
		3451
		3452	@funcs
		3453	};
		3454
		3455	LOG llevInfo, "[ABT] $msg\n";
		3456	LOG llevInfo, "[ABT] $_\n" for @bt;
		3457	--$_log_backtrace;
		3458	};
		3459	} else {
		3460	LOG llevInfo, "[ABT] $msg\n";
		3461	LOG llevInfo, "[ABT] [suppressed]\n";
2633	},	3462	}
2634	);	3463	}
		3464
		3465	# load additional modules
		3466	use cf::pod;
2635		3467
2636	END { cf::emergency_save }	3468	END { cf::emergency_save }
2637		3469
2638	1	3470	1
2639		3471

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