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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.205 by root, Mon Feb 5 18:29:20 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 ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
53	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
54		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
		86
55	our %CFG;	87	our %CFG;
56		88
57	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	90	our $RUNTIME;
59		91
60	our %PLAYER; # all users	92	our %PLAYER; # all users
61	our %MAP; # all maps	93	our %MAP; # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";
64
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67		95
68	# 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 ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		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 $tick_start; # for load detecting purposes
		102
71	binmode STDOUT;	103	binmode STDOUT;
72	binmode STDERR;	104	binmode STDERR;
73		105
74	# read virtual server time, if available	106	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
76	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
77	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
78	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
79	}	111	}
80		112
81	mkdir cf::localdir;	113	mkdir $_
82	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
83	mkdir cf::localdir . "/" . cf::tmpdir;
84	mkdir cf::localdir . "/" . cf::uniquedir;
85	mkdir $RANDOM_MAPS;
86		115
87	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
88		117
89	sub cf::map::normalise;	118	sub cf::map::normalise;
90		119
…		…
101	=item $cf::RUNTIME	130	=item $cf::RUNTIME
102		131
103	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
104	every server tick.	133	every server tick.
105		134
106	=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
107		138
108	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
109	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.
110		143
111	=item $cf::NOW	144	=item $cf::NOW
112		145
113	The time of the last (current) server tick.	146	The time of the last (current) server tick.
114		147
115	=item $cf::TICK	148	=item $cf::TICK
116		149
117	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.
118		161
119	=item %cf::CFG	162	=item %cf::CFG
120		163
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
122	from wherever your confdir points to.	165	from wherever your confdir points to.
123		166
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		168
126	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
127	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
128	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.
129	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.
130		178
131	=back	179	=back
132		180
133	=cut	181	=cut
134		182
135	BEGIN {	183	BEGIN {
136	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
137	my $msg = join "", @_;	185	my $msg = join "", @_;
138	utf8::encode $msg;
139		186
140	$msg .= "\n"	187	$msg .= "\n"
141	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
142		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
143	LOG llevError, $msg;	193	LOG llevError, $msg;
144	};	194	};
145	}	195	}
146		196
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@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';
152	@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)
153		204
154	# 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
155	# within the Safe compartment.	206	# within the Safe compartment.
156	for my $pkg (qw(	207	for my $pkg (qw(
157	cf::global cf::attachable	208	cf::global cf::attachable
…		…
165	}	216	}
166		217
167	$Event::DIED = sub {	218	$Event::DIED = sub {
168	warn "error in event callback: @_";	219	warn "error in event callback: @_";
169	};	220	};
		221
		222	#############################################################################
170		223
171	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
172		225
173	=over 4	226	=over 4
174		227
…		…
193	$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;
194	$d	247	$d
195	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
196	}	249	}
197		250
198	use JSON::Syck (); # TODO# replace by JSON::PC once working
199
200	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
201		252
202	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
203		254
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
212		256
213	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
214		258
215	=cut	259	=cut
216		260
217	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
219	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
220	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
221		265
222	=item cf::lock_wait $string	266	=item cf::lock_wait $string
223		267
224	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
225		269
…		…
231	returned.	275	returned.
232		276
233	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
234	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
235		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
236	=cut	284	=cut
237		285
238	our %LOCK;	286	our %LOCK;
239		287
240	sub lock_wait($) {	288	sub lock_wait($) {
…		…
259	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
261	}	309	}
262	}	310	}
263		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
264	sub freeze_mainloop {	318	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
266		320
267	my $guard = Coro::guard {	321	my $guard = Coro::guard {
268	$TICK_WATCHER->start;	322	$TICK_WATCHER->start;
269	$WRITE_RUNTIME_WATCHER->start;
270	};	323	};
271	$WRITE_RUNTIME_WATCHER->stop;
272	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
273	$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;
274	}	382	}
275		383
276	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
277		385
278	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
…		…
283		391
284	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
285		393
286	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
287		395
288	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)
289	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
290	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.
291		400
292	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
293	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
294	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
295	fast or be very important.	404	fast or be very important.
…		…
298		407
299	sub sync_job(&) {	408	sub sync_job(&) {
300	my ($job) = @_;	409	my ($job) = @_;
301		410
302	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
303	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
305		416
306	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
307	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
318		429
319	while ($busy) {	430	while ($busy) {
320	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
321	}	432	}
322		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
323	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
324	} else {	442	} else {
325	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
326		444
327	$job->()	445	$job->()
…		…
346	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
347		465
348	$coro	466	$coro
349	}	467	}
350		468
351	sub write_runtime {	469	=item fork_call { }, $args
352	my $runtime = cf::localdir . "/runtime";
353		470
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	471	Executes the given code block with the given arguments in a seperate
355	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.
356		475
357	my $value = $cf::RUNTIME + 90 + 10;	476	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		477
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	478	sub fork_call(&@) {
362	and return;	479	my ($cb, @args) = @_;
363		480
364	# always fsync - this file is important	481	# we seemingly have to make a local copy of the whole thing,
365	aio_fsync $fh	482	# otherwise perl prematurely frees the stuff :/
366	and return;	483	# TODO: investigate and fix (liekly this will be rather laborious)
367		484
368	close $fh	485	my @res = Coro::Util::fork_eval {
369	or return;	486	reset_signals;
		487	&$cb
		488	}, @args;
370		489
371	aio_rename "$runtime~", $runtime	490	wantarray ? @res : $res[-1]
372	and return;	491	}
373		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	};
374	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 });
375	}	618	}
376		619
377	=back	620	=back
378		621
379	=cut	622	=cut
…		…
386	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")
387	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
388		631
389	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>
390	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
391	crossfire+).	634	Crossfire TRT).
392		635
393	=over 4	636	=over 4
394		637
395	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
396		639
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
560		803
561	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		808
566	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	810	my $pkg = shift @arg;
568		811
569	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
598	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
599	}	842	}
600		843
601	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
602	} else {	845	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
604	}	847	}
605		848
606	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
607	}	850	}
608		851
…		…
610	if (ref $_[0]) {	853	if (ref $_[0]) {
611	_object_attach @_;	854	_object_attach @_;
612	} else {	855	} else {
613	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
614	}	857	}
		858	_recalc_want;
615	};	859	};
616		860
617	# all those should be optimised	861	# all those should be optimised
618	sub cf::attachable::detach {	862	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
623	reattach ($obj);	867	reattach ($obj);
624	} else {	868	} else {
625	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
626	}	870	}
		871	_recalc_want;
627	};	872	};
628		873
629	sub cf::attachable::attached {	874	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
631		876
…		…
646	";	891	";
647	die if $@;	892	die if $@;
648	}	893	}
649		894
650	our $override;	895	our $override;
651	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?
652		897
653	sub override {	898	sub override {
654	$override = 1;	899	$override = 1;
655	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
656	}	901	}
657		902
658	sub do_invoke {	903	sub do_invoke {
659	my $event = shift;	904	my $event = shift;
660	my $callbacks = shift;	905	my $callbacks = shift;
661		906
662	@invoke_results = ();	907	@INVOKE_RESULTS = ();
663		908
664	local $override;	909	local $override;
665		910
666	for (@$callbacks) {	911	for (@$callbacks) {
667	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
684		929
685	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
686		931
687	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
688	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
689	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		935
691	=back	936	=back
692		937
693	=cut	938	=cut
694		939
695	#############################################################################	940	#############################################################################
696	# 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	}
697		953
698	sub reattach {	954	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	956	my ($obj) = @_;
701		957
…		…
778	}	1034	}
779	} else {	1035	} else {
780	aio_unlink $filename;	1036	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1037	aio_unlink "$filename.pst";
782	}	1038	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	1039	}
790	}	1040	}
791		1041
792	sub object_freezer_as_string {	1042	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1043	my ($rdata, $objs) = @_;
…		…
799		1049
800	sub object_thawer_load {	1050	sub object_thawer_load {
801	my ($filename) = @_;	1051	my ($filename) = @_;
802		1052
803	my ($data, $av);	1053	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1054
808	(aio_load $filename, $data) >= 0	1055	(aio_load $filename, $data) >= 0
809	or return;	1056	or return;
810		1057
811	unless (aio_stat "$filename.pst") {	1058	unless (aio_stat "$filename.pst") {
…		…
813	or return;	1060	or return;
814	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
815	}	1062	}
816		1063
817	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
819	return ($data, $av);	1066	return ($data, $av);
820	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
821		1074
822	#############################################################################	1075	#############################################################################
823	# command handling &c	1076	# command handling &c
824		1077
825	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1092	}
840		1093
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1095
843	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.
844		1101
845	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
846	called.	1103	called.
847		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
848	=cut	1116	=cut
849		1117
850	sub register_extcmd {	1118	sub register_extcmd {
851	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
852		1120
853	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
854	}	1128	}
855		1129
856	cf::player->attach (	1130	cf::player->attach (
857	on_command => sub {	1131	on_command => sub {
858	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1141	cf::override;
868	},	1142	},
869	on_extcmd => sub {	1143	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
871		1145
872	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1147
874	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
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
877	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
878	}	1158	if $reply;
879	}	1159	}
880	} else {	1160	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1162	}
883		1163
884	cf::override;	1164	cf::override;
885	},	1165	},
886	);	1166	);
887		1167
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
923	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1173	next unless -r $path;
925	eval {	1174
926	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;
927	1	1232	}
928	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
929	}	1238	};
930	}	1239	}
931		1240
932	#############################################################################	1241	#############################################################################
933		1242
		1243	=back
		1244
934	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
935		1246
936	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
937		1248
938	=cut	1249	=cut
…		…
950	Returns the given player object, loading it if necessary (might block).	1261	Returns the given player object, loading it if necessary (might block).
951		1262
952	=cut	1263	=cut
953		1264
954	sub playerdir($) {	1265	sub playerdir($) {
955	cf::localdir	1266	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1267	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1268	}
961		1269
962	sub path($) {	1270	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1271	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1272
965	(playerdir $login) . "/$login.pl"	1273	(playerdir $login) . "/playerdata"
966	}	1274	}
967		1275
968	sub find_active($) {	1276	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1277	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1278	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1291	my $login = $_[0];
984		1292
985	my $guard = cf::lock_acquire "user_find:$login";	1293	my $guard = cf::lock_acquire "user_find:$login";
986		1294
987	$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
988	my $pl = load_pl path $login	1303	my $pl = load_pl path $login
989	or return;	1304	or return;
990	$cf::PLAYER{$login} = $pl	1305	$cf::PLAYER{$login} = $pl
991	}	1306	}
992	}	1307	}
…		…
1020	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
1021		1336
1022	$self	1337	$self
1023	}	1338	}
1024		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
1025	=item $pl->quit_character	1350	=item $pl->quit_character
1026		1351
1027	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
1028	be destroyed. May block for a long time.	1353	be destroyed. May block for a long time.
1029		1354
1030	=cut	1355	=cut
1031		1356
1032	sub quit_character {	1357	sub quit_character {
1033	my ($pl) = @_;	1358	my ($pl) = @_;
		1359
		1360	my $name = $pl->ob->name;
1034		1361
1035	$pl->{deny_save} = 1;	1362	$pl->{deny_save} = 1;
1036	$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
1037		1364
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1370	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1371	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1372	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1373	delete $cf::PLAYER{$pl->ob->name};
1047	$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
1048	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;
1049	}	1396	}
1050		1397
1051	=item cf::player::list_logins	1398	=item cf::player::list_logins
1052		1399
1053	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
1054	while and may block, so not sync_job-capable, ever.	1401	while and may block, so not sync_job-capable, ever.
1055		1402
1056	=cut	1403	=cut
1057		1404
1058	sub list_logins {	1405	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1406	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1407	or return [];
1061		1408
1062	my @logins;	1409	my @logins;
1063		1410
1064	for my $login (@$dirs) {	1411	for my $login (@$dirs) {
…		…
1099	}	1446	}
1100		1447
1101	\@paths	1448	\@paths
1102	}	1449	}
1103		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
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1105		1502
1106	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1107		1504
1108	=cut	1505	=cut
1109		1506
1110	sub ext_reply($$$%) {	1507	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1112		1509
1113	$msg{msgid} = $id;	1510	if ($self->ns->extcmd == 2) {
1114		1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1115	$self->send ("ext " . cf::to_json \%msg);	1512	} elsif ($self->ns->extcmd == 1) {
		1513	#TODO: version 1, remove
		1514	unshift @msg, msgtype => "reply", msgid => $id;
		1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1516	}
1116	}	1517	}
1117		1518
1118	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		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	$match
		1558	}
1119		1559
1120	=back	1560	=back
1121
1122		1561
1123	=head3 cf::map	1562	=head3 cf::map
1124		1563
1125	=over 4	1564	=over 4
1126		1565
…		…
1181	my ($self, $merge) = @_;	1620	my ($self, $merge) = @_;
1182		1621
1183	# we have to keep some variables in memory intact	1622	# we have to keep some variables in memory intact
1184	local $self->{path};	1623	local $self->{path};
1185	local $self->{load_path};	1624	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1625
1189	$self->SUPER::thawer_merge ($merge);	1626	$self->SUPER::thawer_merge ($merge);
1190	}	1627	}
1191		1628
1192	sub normalise {	1629	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1240	return $self;	1677	return $self;
1241	}	1678	}
1242	}	1679	}
1243		1680
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1682	()
1246	}	1683	}
1247		1684
1248	sub init {	1685	sub init {
1249	my ($self) = @_;	1686	my ($self) = @_;
…		…
1264		1701
1265	# the original (read-only) location	1702	# the original (read-only) location
1266	sub load_path {	1703	sub load_path {
1267	my ($self) = @_;	1704	my ($self) = @_;
1268		1705
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1706	"$MAPDIR/$self->{path}.map"
1270	}	1707	}
1271		1708
1272	# the temporary/swap location	1709	# the temporary/swap location
1273	sub save_path {	1710	sub save_path {
1274	my ($self) = @_;	1711	my ($self) = @_;
1275		1712
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1714	"$TMPDIR/$path.map"
1278	}	1715	}
1279		1716
1280	# the unique path, undef == no special unique path	1717	# the unique path, undef == no special unique path
1281	sub uniq_path {	1718	sub uniq_path {
1282	my ($self) = @_;	1719	my ($self) = @_;
1283		1720
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1722	"$UNIQUEDIR/$path"
1286	}	1723	}
1287		1724
1288	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1289	# all maps in C++...	1726	# all maps in C++...
1290	sub change_all_map_light {	1727	sub change_all_map_light {
…		…
1292		1729
1293	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
1295	}	1732	}
1296		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
		1740	}
		1741
1297	sub unlink_save {	1742	sub unlink_save {
1298	my ($self) = @_;	1743	my ($self) = @_;
1299		1744
1300	utf8::encode (my $save = $self->save_path);	1745	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1746	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304	#d#TODO remove .map and also nuke
1305	$save =~ s/\.map// or return;#d#
1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308	}	1748	}
1309		1749
1310	sub load_header_from($) {	1750	sub load_header_from($) {
1311	my ($self, $path) = @_;	1751	my ($self, $path) = @_;
1312		1752
…		…
1362	$self->load_header_orig	1802	$self->load_header_orig
1363	or return;	1803	or return;
1364	$self->prepare_orig;	1804	$self->prepare_orig;
1365	}	1805	}
1366		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
1367	1	1813	1
1368	}	1814	}
1369		1815
1370	sub find;	1816	sub find;
1371	sub find {	1817	sub find {
…		…
1383	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1384		1830
1385	$map->load_header	1831	$map->load_header
1386	or return;	1832	or return;
1387		1833
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	1835	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	1836	#$cf::WAIT_FOR_TICK->wait;
1391	$map->reset;	1837	$map->reset;
1392	undef $guard;	1838	undef $guard;
1393	return find $path;	1839	return find $path;
…		…
1404	my ($self) = @_;	1850	my ($self) = @_;
1405		1851
1406	local $self->{deny_reset} = 1; # loading can take a long time	1852	local $self->{deny_reset} = 1; # loading can take a long time
1407		1853
1408	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
1409	my $guard = cf::lock_acquire "map_load:$path";	1857	my $guard = cf::lock_acquire "map_load:$path";
1410		1858
1411	return if $self->in_memory != cf::MAP_SWAPPED;	1859	return if $self->in_memory != cf::MAP_SWAPPED;
1412		1860
1413	$self->in_memory (cf::MAP_LOADING);	1861	$self->in_memory (cf::MAP_LOADING);
1414		1862
1415	$self->alloc;	1863	$self->alloc;
1416		1864
1417	$self->pre_load;	1865	$self->pre_load;
1418
1419	$self->_load_objects ($self->{load_path}, 1)
1420	or return;
1421
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};
1424
1425	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);
1430	}
1431	}
1432
1433	Coro::cede;
1434
1435	# now do the right thing for maps
1436	$self->link_multipart_objects;
1437
1438	unless ($self->{deny_activate}) {
1439	$self->decay_objects;
1440	$self->fix_auto_apply;
1441	$self->update_buttons;
1442	Coro::cede;	1866	Coro::cede;
1443	$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;
1444	$self->difficulty ($self->estimate_difficulty)	1885	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	1886	unless $self->difficulty;
1446	Coro::cede;	1887	Coro::cede;
		1888
		1889	unless ($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;
1447	$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);
1448	}	1903	}
1449		1904
1450	$self->post_load;	1905	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	1906	}
1454		1907
1455	sub customise_for {	1908	sub customise_for {
1456	my ($self, $ob) = @_;	1909	my ($self, $ob) = @_;
1457		1910
1458	return find "~" . $ob->name . "/" . $self->{path}	1911	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	1912	if $self->per_player;
1460		1913
		1914	# return find "?party/" . $ob->name . "/" . $self->{path}
		1915	# if $self->per_party;
		1916
1461	$self	1917	$self
1462	}	1918	}
1463		1919
1464	# find and load all maps in the 3x3 area around a map	1920	# find and load all maps in the 3x3 area around a map
1465	sub load_diag {	1921	sub load_neighbours {
1466	my ($map) = @_;	1922	my ($map) = @_;
1467		1923
1468	my @diag; # diagonal neighbours	1924	my @neigh; # diagonal neighbours
1469		1925
1470	for (0 .. 3) {	1926	for (0 .. 3) {
1471	my $neigh = $map->tile_path ($_)	1927	my $neigh = $map->tile_path ($_)
1472	or next;	1928	or next;
1473	$neigh = find $neigh, $map	1929	$neigh = find $neigh, $map
1474	or next;	1930	or next;
1475	$neigh->load;	1931	$neigh->load;
1476		1932
		1933	push @neigh,
1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1934	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1935	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1479	}	1936	}
1480		1937
1481	for (@diag) {	1938	for (grep defined $_->[0], @neigh) {
		1939	my ($path, $origin) = @$_;
1482	my $neigh = find @$_	1940	my $neigh = find $path, $origin
1483	or next;	1941	or next;
1484	$neigh->load;	1942	$neigh->load;
1485	}	1943	}
1486	}	1944	}
1487		1945
…		…
1511		1969
1512	undef $MAP_PREFETCH{$path};	1970	undef $MAP_PREFETCH{$path};
1513	$MAP_PREFETCHER ||= cf::async {	1971	$MAP_PREFETCHER ||= cf::async {
1514	while (%MAP_PREFETCH) {	1972	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	1973	for my $path (keys %MAP_PREFETCH) {
1516	my $map = find $path	1974	if (my $map = find $path) {
1517	or next;
1518	$map->load;	1975	$map->load;
		1976	}
1519		1977
1520	delete $MAP_PREFETCH{$path};	1978	delete $MAP_PREFETCH{$path};
1521	}	1979	}
1522	}	1980	}
1523	undef $MAP_PREFETCHER;	1981	undef $MAP_PREFETCHER;
…		…
1575		2033
1576	sub reset_at {	2034	sub reset_at {
1577	my ($self) = @_;	2035	my ($self) = @_;
1578		2036
1579	# TODO: safety, remove and allow resettable per-player maps	2037	# TODO: safety, remove and allow resettable per-player maps
1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1581	return 1e99 if $self->{deny_reset};	2038	return 1e99 if $self->{deny_reset};
1582		2039
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2040	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2041	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		2042
…		…
1596	my ($self) = @_;	2053	my ($self) = @_;
1597		2054
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	2055	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2056
1600	return if $self->players;	2057	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2058
1603	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	}
1604		2070
1605	delete $cf::MAP{$self->path};	2071	delete $cf::MAP{$self->path};
1606		2072
1607	$self->in_memory (cf::MAP_SWAPPED);
1608	$self->clear;	2073	$self->clear;
1609		2074
1610	$_->clear_links_to ($self) for values %cf::MAP;	2075	$_->clear_links_to ($self) for values %cf::MAP;
1611		2076
1612	$self->unlink_save;	2077	$self->unlink_save;
…		…
1631	$cf::MAP{$self->path} = $self;	2096	$cf::MAP{$self->path} = $self;
1632		2097
1633	$self->reset; # polite request, might not happen	2098	$self->reset; # polite request, might not happen
1634	}	2099	}
1635		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
1636	=item cf::map::unique_maps	2137	=item cf::map::unique_maps
1637		2138
1638	Returns an arrayref of paths of all shared maps that have	2139	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2140	instantiated unique items. May block.
1640		2141
1641	=cut	2142	=cut
1642		2143
1643	sub unique_maps() {	2144	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2145	[
1645	or return;	2146	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2147	utf8::decode $_;
1651	next if /\.pst$/;	2148	/\.map$/
1652	next unless /^$PATH_SEP/o;	2149	? normalise $_
1653		2150	: ()
1654	push @paths, cf::map::normalise $_;	2151	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2152	]
1656
1657	\@paths
1658	}	2153	}
1659		2154
1660	package cf;	2155	package cf;
1661		2156
1662	=back	2157	=back
…		…
1708		2203
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2204	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2205
1711	if ($self->{record_replies}) {	2206	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2207	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2208
1713	} 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 {
1714	$msg = $npc->name . " says: $msg" if $npc;	2217	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2218	$self->message ($msg, $flags);
		2219	}
1716	}	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 (@_);
1717	}	2231	}
1718		2232
1719	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
1720		2234
1721	Returns wether the given player is authorized to access resource "access"	2235	Returns wether the given player is authorized to access resource "access"
…		…
1768	$self->deactivate_recursive;	2282	$self->deactivate_recursive;
1769		2283
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2284	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2285
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2287	if $self->map && $self->map->{path} ne "{link}";
1774		2288
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	2290	}
1777		2291
1778	sub cf::object::player::leave_link {	2292	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2293	my ($self, $map, $x, $y) = @_;
		2294
		2295	return unless $self->contr->active;
1780		2296
1781	my $link_pos = delete $self->{_link_pos};	2297	my $link_pos = delete $self->{_link_pos};
1782		2298
1783	unless ($map) {	2299	unless ($map) {
1784	# restore original map position	2300	# restore original map position
…		…
1798	# use -1 or undef as default coordinates, not 0, 0	2314	# use -1 or undef as default coordinates, not 0, 0
1799	($x, $y) = ($map->enter_x, $map->enter_y)	2315	($x, $y) = ($map->enter_x, $map->enter_y)
1800	if $x <=0 && $y <= 0;	2316	if $x <=0 && $y <= 0;
1801		2317
1802	$map->load;	2318	$map->load;
1803	$map->load_diag;	2319	$map->load_neighbours;
1804		2320
1805	return unless $self->contr->active;	2321	return unless $self->contr->active;
1806	$self->activate_recursive;	2322	$self->activate_recursive;
		2323
		2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	2325	$self->enter_map ($map, $x, $y);
1808	}	2326	}
1809		2327
1810	cf::player->attach (	2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1811	on_logout => sub {
1812	my ($pl) = @_;
1813		2329
1814	# abort map switching before logout	2330	Moves the player to the given map-path and coordinates by first freezing
1815	if ($pl->ob->{_link_pos}) {	2331	her, loading and preparing them map, calling the provided $check callback
1816	cf::sync_job {	2332	that has to return the map if sucecssful, and then unfreezes the player on
1817	$pl->ob->leave_link	2333	the new (success) or old (failed) map position. In either case, $done will
1818	};	2334	be called at the end of this process.
1819	}
1820	},
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2335
1824	# try to abort aborted map switching on player login :)
1825	# should happen only on crashes
1826	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;
1828	(async {
1829	# we need this sleep as the login has a concurrent enter_exit running
1830	# and this sleep increases chances of the player not ending up in scorn
1831	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);
1835	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;
1837	})->prio (2);
1838	}
1839	},
1840	);
1841
1842	=item $player_object->goto ($path, $x, $y)
1843
1844	=cut	2336	=cut
		2337
		2338	our $GOTOGEN;
1845		2339
1846	sub cf::object::player::goto {	2340	sub cf::object::player::goto {
1847	my ($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;
1848		2345
1849	$self->enter_link;	2346	$self->enter_link;
1850		2347
1851	(async {	2348	(async {
1852	my $map = eval {	2349	my $map = eval {
1853	my $map = cf::map::find $path;	2350	my $map = cf::map::find $path;
		2351
		2352	if ($map) {
1854	$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
1855	$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 $@;
1856	} or	2365	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2366
		2367	if ($gen == $self->{_goto_generation}) {
		2368	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2369	$self->leave_link ($map, $x, $y);
		2370	}
		2371
		2372	$done->() if $done;
1860	})->prio (1);	2373	})->prio (1);
1861	}	2374	}
1862		2375
1863	=item $player_object->enter_exit ($exit_object)	2376	=item $player_object->enter_exit ($exit_object)
1864		2377
…		…
1903		2416
1904	$rmp->{random_seed} ||= $exit->random_seed;	2417	$rmp->{random_seed} ||= $exit->random_seed;
1905		2418
1906	my $data = cf::to_json $rmp;	2419	my $data = cf::to_json $rmp;
1907	my $md5 = Digest::MD5::md5_hex $data;	2420	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2421	my $meta = "$RANDOMDIR/$md5.meta";
1909		2422
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2424	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2425	undef $fh;
1913	aio_rename "$meta~", $meta;	2426	aio_rename "$meta~", $meta;
…		…
1922		2435
1923	return unless $self->type == cf::PLAYER;	2436	return unless $self->type == cf::PLAYER;
1924		2437
1925	if ($exit->slaying eq "/!") {	2438	if ($exit->slaying eq "/!") {
1926	#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
1927	cf::sync_job { prepare_random_map $exit };	2442	cf::sync_job { prepare_random_map $exit };
1928	}	2443	}
1929		2444
1930	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;
1931	my $hp = $exit->stats->hp;	2446	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;	2447	my $sp = $exit->stats->sp;
1933		2448
1934	$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);
1935		2454
1936	(async {	2455	(async {
1937	$self->deactivate_recursive; # just to be sure	2456	$self->deactivate_recursive; # just to be sure
1938	unless (eval {	2457	unless (eval {
1939	$self->goto ($slaying, $hp, $sp);	2458	$self->goto ($slaying, $hp, $sp);
1940		2459
1941	1;	2460	1;
1942	}) {	2461	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2462	$self->message ("Something went wrong deep within the crossfire server. "
1944	. "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. "
1945	. "Please report this to the dungeon master!",	2464	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2465	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2466
1948	warn "ERROR in enter_exit: $@";	2467	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2468	$self->leave_link;
1950	}	2469	}
1951	})->prio (1);	2470	})->prio (1);
…		…
1964		2483
1965	sub cf::client::send_drawinfo {	2484	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2485	my ($self, $text, $flags) = @_;
1967		2486
1968	utf8::encode $text;	2487	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2489	}
1971		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	}
1972		2571
1973	=item $success = $client->query ($flags, "text", \&cb)	2572	=item $success = $client->query ($flags, "text", \&cb)
1974		2573
1975	Queues a query to the client, calling the given callback with	2574	Queues a query to the client, calling the given callback with
1976	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>,
1977	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>.
1978		2577
1979	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
1980	reliable at some point in the future.	2579	become reliable at some point in the future.
1981		2580
1982	=cut	2581	=cut
1983		2582
1984	sub cf::client::query {	2583	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	2584	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	2592	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2593	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		2594
1996	$self->send_packet ($self->{query_queue}[0][0])	2595	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	2596	if @{ $self->{query_queue} } == 1;
		2597
		2598	1
1998	}	2599	}
1999		2600
2000	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	},
2001	on_reply => sub {	2607	on_reply => sub {
2002	my ($ns, $msg) = @_;	2608	my ($ns, $msg) = @_;
2003		2609
2004	# this weird shuffling is so that direct followup queries	2610	# this weird shuffling is so that direct followup queries
2005	# get handled first	2611	# get handled first
…		…
2017	} else {	2623	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2624	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	2625	}
2020	}	2626	}
2021	},	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	},
2022	);	2651	);
2023		2652
2024	=item $client->async (\&cb)	2653	=item $client->async (\&cb)
2025		2654
2026	Create a new coroutine, running the specified callback. The coroutine will	2655	Create a new coroutine, running the specified callback. The coroutine will
…		…
2067	our $safe = new Safe "safe";	2696	our $safe = new Safe "safe";
2068	our $safe_hole = new Safe::Hole;	2697	our $safe_hole = new Safe::Hole;
2069		2698
2070	$SIG{FPE} = 'IGNORE';	2699	$SIG{FPE} = 'IGNORE';
2071		2700
2072	$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	));
2073		2706
2074	# here we export the classes and methods available to script code	2707	# here we export the classes and methods available to script code
2075		2708
2076	=pod	2709	=pod
2077		2710
2078	The following fucntions and emthods are available within a safe environment:	2711	The following functions and methods are available within a safe environment:
2079		2712
2080	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
2081	cf::object::player player	2717	cf::object::player
2082	cf::player peaceful	2718	player
2083	cf::map trigger	2719
		2720	cf::player
		2721	peaceful
		2722
		2723	cf::map
		2724	trigger
2084		2725
2085	=cut	2726	=cut
2086		2727
2087	for (	2728	for (
2088	["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)],
2089	["cf::object::player" => qw(player)],	2731	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	2732	["cf::player" => qw(peaceful)],
2091	["cf::map" => qw(trigger)],	2733	["cf::map" => qw(trigger)],
2092	) {	2734	) {
2093	no strict 'refs';	2735	no strict 'refs';
…		…
2164	=back	2806	=back
2165		2807
2166	=cut	2808	=cut
2167		2809
2168	#############################################################################	2810	#############################################################################
2169
2170	=head2 EXTENSION DATABASE SUPPORT
2171
2172	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which
2174	excludes objects.
2175
2176	The parameter C<$family> should best start with the name of the extension
2177	using it, it should be unique.
2178
2179	=over 4
2180
2181	=item $hashref = cf::db_get $family
2182
2183	Return a hashref for use by the extension C<$family>, which can be
2184	modified. After modifications, you have to call C<cf::db_dirty> or
2185	C<cf::db_sync>.
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database
2190
2191	=item cf::db_put $family => $hashref
2192
2193	Stores the given family hashref into the database. Updates are delayed, if
2194	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_put $family => $key => $value
2197
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you
2199	want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201	=item cf::db_dirty
2202
2203	Marks the database as dirty, to be updated at a later time.
2204
2205	=item cf::db_sync
2206
2207	Immediately write the database to disk I<if it is dirty>.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	{
2214	my $path = cf::localdir . "/database.pst";
2215
2216	sub db_load() {
2217	$DB = stat $path ? Storable::retrieve $path : { };
2218	}
2219
2220	my $pid;
2221
2222	sub db_save() {
2223	waitpid $pid, 0 if $pid;
2224	if (0 == ($pid = fork)) {
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}
2230	}
2231
2232	my $dirty;
2233
2234	sub db_sync() {
2235	db_save if $dirty;
2236	undef $dirty;
2237	}
2238
2239	my $idle = Event->idle (
2240	reentrant => 0,
2241	min => 10,
2242	max => 20,
2243	repeat => 0,
2244	data => WF_AUTOCANCEL,
2245	cb => \&db_sync,
2246	);
2247
2248	sub db_dirty() {
2249	$dirty = 1;
2250	$idle->start;
2251	}
2252
2253	sub db_get($;$) {
2254	@_ >= 2
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} ||= { })
2257	}
2258
2259	sub db_put($$;$) {
2260	if (@_ >= 3) {
2261	$DB->{$_[0]}{$_[1]} = $_[2];
2262	} else {
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},
2273	);
2274	}
2275
2276	#############################################################################
2277	# the server's init and main functions	2811	# the server's init and main functions
2278		2812
2279	sub load_resources {	2813	sub load_facedata($) {
2280	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"
2281	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;
2282	}	2972	}
2283		2973
2284	sub cfg_load {	2974	sub cfg_load {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	2975	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	2976	or return;
2287		2977
2288	local $/;	2978	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	2979	*CFG = YAML::Syck::Load <$fh>;
2290		2980
…		…
2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2988	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2299	and die "WARNING: m(un)lockall failed: $!\n";	2989	and die "WARNING: m(un)lockall failed: $!\n";
2300	};	2990	};
2301	warn $@ if $@;	2991	warn $@ if $@;
2302	}	2992	}
2303	}
2304
2305	sub init {
2306	load_resources;
2307	}	2993	}
2308		2994
2309	sub main {	2995	sub main {
2310	# we must not ever block the main coroutine	2996	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	2997	local $Coro::idle = sub {
…		…
2314	Event::one_event;	3000	Event::one_event;
2315	})->prio (Coro::PRIO_MAX);	3001	})->prio (Coro::PRIO_MAX);
2316	};	3002	};
2317		3003
2318	cfg_load;	3004	cfg_load;
2319	db_load;	3005	db_init;
2320	load_extensions;	3006	load_extensions;
2321		3007
2322	$TICK_WATCHER->start;	3008	$TICK_WATCHER->start;
2323	Event::loop;	3009	Event::loop;
2324	}	3010	}
…		…
2339	},	3025	},
2340	);	3026	);
2341	}	3027	}
2342	}	3028	}
2343		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
2344	sub emergency_save() {	3068	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	3069	my $freeze_guard = cf::freeze_mainloop;
2346		3070
2347	warn "enter emergency perl save\n";	3071	warn "enter emergency perl save\n";
2348		3072
…		…
2363	my $map = $cf::MAP{$path} or next;	3087	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	3088	$map->valid or next;
2365	$map->save;	3089	$map->save;
2366	}	3090	}
2367	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 $DB_ENV;
		3095	warn "end emergency database checkpoint\n";
2368	};	3096	};
2369		3097
2370	warn "leave emergency perl save\n";	3098	warn "leave emergency perl save\n";
2371	}	3099	}
2372		3100
		3101	sub post_cleanup {
		3102	my ($make_core) = @_;
		3103
		3104	warn Carp::longmess "post_cleanup backtrace"
		3105	if $make_core;
		3106	}
		3107
2373	sub reload() {	3108	sub do_reload_perl() {
2374	# can/must only be called in main	3109	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	3110	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	3111	warn "can only reload from main coroutine";
2377	return;	3112	return;
2378	}	3113	}
2379		3114
2380	warn "reloading...";	3115	warn "reloading...";
2381		3116
2382	warn "cancelling server ticker";	3117	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		3118
		3119	cf::sync_job {
		3120	cf::write_runtime; # external watchdog should not bark
2385	cf::emergency_save;	3121	cf::emergency_save;
		3122	cf::write_runtime; # external watchdog should not bark
2386		3123
2387	eval {	3124	warn "syncing database to disk";
		3125	BDB::db_env_txn_checkpoint $DB_ENV;
		3126
2388	# 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
2389
2390	warn "syncing database to disk";
2391	cf::db_sync;
2392		3128
2393	warn "cancelling all WF_AUTOCANCEL watchers";	3129	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {	3130	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;	3131	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}	3132	}
2397		3133
2398	warn "flushing outstanding aio requests";	3134	warn "flushing outstanding aio requests";
2399	for (;;) {	3135	for (;;) {
		3136	BDB::flush;
2400	IO::AIO::flush;	3137	IO::AIO::flush;
2401	Coro::cede;	3138	Coro::cede;
2402	last unless IO::AIO::nreqs;	3139	last unless IO::AIO::nreqs || BDB::nreqs;
2403	warn "iterate...";	3140	warn "iterate...";
2404	}	3141	}
		3142
		3143	++$RELOAD;
2405		3144
2406	warn "cancelling all extension coros";	3145	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	3146	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	3147	%EXT_CORO = ();
2409		3148
2410	warn "removing commands";	3149	warn "removing commands";
2411	%COMMAND = ();	3150	%COMMAND = ();
2412		3151
2413	warn "removing ext commands";	3152	warn "removing ext/exti commands";
2414	%EXTCMD = ();	3153	%EXTCMD = ();
		3154	%EXTICMD = ();
2415		3155
2416	warn "unloading/nuking all extensions";	3156	warn "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {	3157	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";	3158	warn "... unloading $pkg";
2419		3159
…		…
2449	Symbol::delete_package "safe::$_"	3189	Symbol::delete_package "safe::$_"
2450	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);
2451		3191
2452	warn "unloading cf.pm \"a bit\"";	3192	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3193	delete $INC{"cf.pm"};
		3194	delete $INC{"cf/pod.pm"};
2454		3195
2455	# don't, removes xs symbols, too,	3196	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3197	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3198	#Symbol::delete_package __PACKAGE__;
2458		3199
…		…
2462	require cf;	3203	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3204	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		3205
2465	warn "loading config and database again";	3206	warn "loading config and database again";
2466	cf::cfg_load;	3207	cf::cfg_load;
2467	cf::db_load;
2468		3208
2469	warn "loading extensions";	3209	warn "loading extensions";
2470	cf::load_extensions;	3210	cf::load_extensions;
2471		3211
2472	warn "reattaching attachments to objects/players";	3212	warn "reattaching attachments to objects/players";
2473	_global_reattach;	3213	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3214	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3215	reattach $_ for values %MAP;
		3216	warn "reattaching attachments to players";
		3217	reattach $_ for values %PLAYER;
2476		3218
2477	warn "loading reloadable resources";	3219	warn "leaving sync_job";
2478	load_resources;
2479		3220
2480	warn "restarting server ticker";	3221	1
2481		3222	} or do {
2482	$TICK_WATCHER->start;
2483	};
2484
2485	if ($@) {
2486	warn $@;	3223	warn $@;
2487	warn "error while reloading, exiting.";	3224	warn "error while reloading, exiting.";
2488	exit 1;	3225	exit 1;
2489	}	3226	};
2490		3227
2491	warn "reloaded";	3228	warn "reloaded";
2492	};	3229	};
2493		3230
2494	our $RELOAD_WATCHER; # used only during reload	3231	our $RELOAD_WATCHER; # used only during reload
2495		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 $RELOAD_WATCHER;
		3244	},
		3245	);
		3246	}
		3247
2496	register_command "reload" => sub {	3248	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3249	my ($who, $arg) = @_;
2498		3250
2499	if ($who->flag (FLAG_WIZ)) {	3251	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3252	$who->message ("reloading server.");
2501		3253	async { reload_perl };
2502	# doing reload synchronously and two reloads happen back-to-back,
2503	# coro crashes during coro_state_free->destroy here.
2504
2505	$RELOAD_WATCHER ||= Event->timer (
2506	reentrant => 0,
2507	after => 0,
2508	data => WF_AUTOCANCEL,
2509	cb => sub {
2510	reload;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);
2514	}	3254	}
2515	};	3255	};
2516		3256
2517	unshift @INC, $LIBDIR;	3257	unshift @INC, $LIBDIR;
2518		3258
2519	my $bug_warning = 0;	3259	my $bug_warning = 0;
2520		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;
2521	$TICK_WATCHER = Event->timer (	3284	$TICK_WATCHER = Event->timer (
2522	reentrant => 0,	3285	reentrant => 0,
2523	parked => 1,	3286	parked => 1,
2524	prio => 0,	3287	prio => 0,
2525	at => $NEXT_TICK || $TICK,	3288	at => $NEXT_TICK || $TICK,
…		…
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3292	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	3293	unless ++$bug_warning > 10;
2531	return;	3294	return;
2532	}	3295	}
2533		3296
2534	$NOW = Event::time;	3297	$NOW = $tick_start = Event::time;
2535		3298
2536	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
2537	$RUNTIME += $TICK;	3324	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;	3325	$NEXT_TICK += $TICK;
2539		3326
2540	$WAIT_FOR_TICK->broadcast;	3327	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3328	$NEXT_RUNTIME_WRITE = $NOW + 10;
2542		3329	Coro::async_pool {
2543	Event::sweep;	3330	write_runtime
2544	Coro::cede_notself;	3331	or warn "ERROR: unable to write runtime file: $!";
		3332	};
2545		3333	}
		3334
2546	# my $AFTER = Event::time;	3335	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#	3336	# warn $AFTER - $NOW;#d#
2548		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
2549	# 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
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3348	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2551		3349
2552	$TICK_WATCHER->at ($NEXT_TICK);	3350	$TICK_WATCHER->at ($NEXT_TICK);
2553	$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
2554	},	3359	},
2555	);	3360	);
2556		3361
		3362	{
		3363	BDB::max_poll_time $TICK * 0.1;
		3364	$BDB_POLL_WATCHER = Event->io (
		3365	reentrant => 0,
		3366	fd => BDB::poll_fileno,
		3367	poll => 'r',
		3368	prio => 0,
		3369	data => WF_AUTOCANCEL,
		3370	cb => \&BDB::poll_cb,
		3371	);
		3372	BDB::min_parallel 8;
		3373
		3374	BDB::set_sync_prepare {
		3375	my $status;
		3376	my $current = $Coro::current;
		3377	(
		3378	sub {
		3379	$status = $!;
		3380	$current->ready; undef $current;
		3381	},
		3382	sub {
		3383	Coro::schedule while defined $current;
		3384	$! = $status;
		3385	},
		3386	)
		3387	};
		3388
		3389	unless ($DB_ENV) {
		3390	$DB_ENV = BDB::db_env_create;
		3391
		3392	cf::sync_job {
		3393	eval {
		3394	BDB::db_env_open
		3395	$DB_ENV,
		3396	$BDBDIR,
		3397	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3398	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3399	0666;
		3400
		3401	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3402
		3403	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3404	$DB_ENV->set_lk_detect;
		3405	};
		3406
		3407	cf::cleanup "db_env_open(db): $@" if $@;
		3408	};
		3409	}
		3410	}
		3411
		3412	{
		3413	IO::AIO::min_parallel 8;
		3414
		3415	undef $Coro::AIO::WATCHER;
2557	IO::AIO::max_poll_time $TICK * 0.1;	3416	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (	3417	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,	3418	reentrant => 0,
		3419	data => WF_AUTOCANCEL,
2562	fd => IO::AIO::poll_fileno,	3420	fd => IO::AIO::poll_fileno,
2563	poll => 'r',	3421	poll => 'r',
2564	prio => 6,	3422	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,	3423	cb => \&IO::AIO::poll_cb,
2567	);	3424	);
		3425	}
2568		3426
2569	$WRITE_RUNTIME_WATCHER = Event->timer (	3427	my $_log_backtrace;
2570	reentrant => 0,	3428
2571	data => WF_AUTOCANCEL,	3429	sub _log_backtrace {
2572	after => 1,	3430	my ($msg, @addr) = @_;
2573	interval => 10,	3431
2574	prio => 6, # keep it lowest so it acts like a watchdog	3432	$msg =~ s/\n//;
2575	cb => Coro::unblock_sub {	3433
2576	write_runtime	3434	# limit the # of concurrent backtraces
2577	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";
2578	},	3462	}
2579	);	3463	}
		3464
		3465	# load additional modules
		3466	use cf::pod;
2580		3467
2581	END { cf::emergency_save }	3468	END { cf::emergency_save }
2582		3469
2583	1	3470	1
2584		3471

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