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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.169 by root, Sun Jan 14 01:09:46 2007 UTC vs.
Revision 1.337 by root, Tue Aug 21 00:54:01 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS 1.4 ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
53		86
54	our %CFG;	87	our %CFG;
55		88
56	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	90	our $RUNTIME;
58		91
59	our %PLAYER; # all users	92	our %PLAYER; # all users
60	our %MAP; # all maps	93	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		95
67	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
70	binmode STDOUT;	103	binmode STDOUT;
71	binmode STDERR;	104	binmode STDERR;
72		105
73	# read virtual server time, if available	106	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
78	}	111	}
79		112
80	mkdir cf::localdir;	113	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		115
86	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
87		119
88	#############################################################################	120	#############################################################################
89		121
90	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
91		123
…		…
98	=item $cf::RUNTIME	130	=item $cf::RUNTIME
99		131
100	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
101	every server tick.	133	every server tick.
102		134
103	=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
104		138
105	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		143
108	=item $cf::NOW	144	=item $cf::NOW
109		145
110	The time of the last (current) server tick.	146	The time of the last (current) server tick.
111		147
112	=item $cf::TICK	148	=item $cf::TICK
113		149
114	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.
115		161
116	=item %cf::CFG	162	=item %cf::CFG
117		163
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	165	from wherever your confdir points to.
120		166
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		168
123	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
124	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
125	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.
126	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.
127		178
128	=back	179	=back
129		180
130	=cut	181	=cut
131		182
132	BEGIN {	183	BEGIN {
133	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	185	my $msg = join "", @_;
135	utf8::encode $msg;
136		186
137	$msg .= "\n"	187	$msg .= "\n"
138	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
139		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
140	LOG llevError, $msg;	193	LOG llevError, $msg;
141	};	194	};
142	}	195	}
143		196
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		204
151	# 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
152	# within the Safe compartment.	206	# within the Safe compartment.
153	for my $pkg (qw(	207	for my $pkg (qw(
154	cf::global cf::attachable	208	cf::global cf::attachable
…		…
162	}	216	}
163		217
164	$Event::DIED = sub {	218	$Event::DIED = sub {
165	warn "error in event callback: @_";	219	warn "error in event callback: @_";
166	};	220	};
		221
		222	#############################################################################
167		223
168	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
169		225
170	=over 4	226	=over 4
171		227
…		…
190	$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;
191	$d	247	$d
192	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
193	}	249	}
194		250
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
198		252
199	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
200		254
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
209		256
210	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
211		258
212	=cut	259	=cut
213		260
214	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
216	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
218		265
219	=item cf::lock_wait $string	266	=item cf::lock_wait $string
220		267
221	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
222		269
…		…
228	returned.	275	returned.
229		276
230	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
231	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
232		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
233	=cut	284	=cut
234		285
235	our %LOCK;	286	our %LOCK;
236		287
237	sub lock_wait($) {	288	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
258	}	309	}
259	}	310	}
260		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
261	sub freeze_mainloop {	318	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
263		320
264	my $guard = Coro::guard {	321	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	322	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	323	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
270	$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;
271	}	382	}
272		383
273	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
274		385
275	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		391
281	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
282		393
283	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
284		395
285	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)
286	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
287	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.
288		400
289	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
290	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
291	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
292	fast or be very important.	404	fast or be very important.
…		…
295		407
296	sub sync_job(&) {	408	sub sync_job(&) {
297	my ($job) = @_;	409	my ($job) = @_;
298		410
299	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
300	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
302		416
303	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
315		429
316	while ($busy) {	430	while ($busy) {
317	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
318	}	432	}
319		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
320	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
321	} else {	442	} else {
322	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
323		444
324	$job->()	445	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
344		465
345	$coro	466	$coro
346	}	467	}
347		468
348	sub write_runtime {	469	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		470
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	471	Executes the given code block with the given arguments in a seperate
352	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.
353		475
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	476	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		477
358	aio_fsync $fh	478	sub fork_call(&@) {
359	and return;	479	my ($cb, @args) = @_;
360		480
361	close $fh	481	# we seemingly have to make a local copy of the whole thing,
362	or return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
363		484
364	aio_rename "$runtime~", $runtime	485	my @res = Coro::Util::fork_eval {
365	and return;	486	reset_signals;
		487	&$cb
		488	}, @args;
366		489
		490	wantarray ? @res : $res[-1]
		491	}
		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	};
367	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 });
368	}	618	}
369		619
370	=back	620	=back
371		621
372	=cut	622	=cut
…		…
379	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")
380	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
381		631
382	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>
383	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
384	crossfire+).	634	Crossfire TRT).
385		635
386	=over 4	636	=over 4
387		637
388	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
389		639
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	753	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	754	our @CB_MAP = ();
505		755
506	my %attachment;	756	my %attachment;
507		757
		758	sub cf::attachable::thawer_merge {
		759	# simply override everything except _meta
		760	local $_[0]{_meta};
		761	%{$_[0]} = %{$_[1]};
		762	}
		763
508	sub _attach_cb($$$$) {	764	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	765	my ($registry, $event, $prio, $cb) = @_;
510		766
511	use sort 'stable';	767	use sort 'stable';
512		768
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
547		803
548	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		808
553	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	810	my $pkg = shift @arg;
555		811
556	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
586	}	842	}
587		843
588	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
589	} else {	845	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	847	}
592		848
593	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
594	}	850	}
595		851
…		…
597	if (ref $_[0]) {	853	if (ref $_[0]) {
598	_object_attach @_;	854	_object_attach @_;
599	} else {	855	} else {
600	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
601	}	857	}
		858	_recalc_want;
602	};	859	};
603		860
604	# all those should be optimised	861	# all those should be optimised
605	sub cf::attachable::detach {	862	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
610	reattach ($obj);	867	reattach ($obj);
611	} else {	868	} else {
612	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
613	}	870	}
		871	_recalc_want;
614	};	872	};
615		873
616	sub cf::attachable::attached {	874	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
618		876
…		…
633	";	891	";
634	die if $@;	892	die if $@;
635	}	893	}
636		894
637	our $override;	895	our $override;
638	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?
639		897
640	sub override {	898	sub override {
641	$override = 1;	899	$override = 1;
642	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
643	}	901	}
644		902
645	sub do_invoke {	903	sub do_invoke {
646	my $event = shift;	904	my $event = shift;
647	my $callbacks = shift;	905	my $callbacks = shift;
648		906
649	@invoke_results = ();	907	@INVOKE_RESULTS = ();
650		908
651	local $override;	909	local $override;
652		910
653	for (@$callbacks) {	911	for (@$callbacks) {
654	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
671		929
672	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
673		931
674	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
675	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
676	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		935
678	=back	936	=back
679		937
680	=cut	938	=cut
681		939
682	#############################################################################	940	#############################################################################
683	# 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	}
684		953
685	sub reattach {	954	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	956	my ($obj) = @_;
688		957
…		…
741	$filename, length $$rdata, scalar @$objs;	1010	$filename, length $$rdata, scalar @$objs;
742		1011
743	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
744	chmod SAVE_MODE, $fh;	1013	chmod SAVE_MODE, $fh;
745	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
746	aio_fsync $fh;	1015	aio_fsync $fh if $cf::USE_FSYNC;
747	close $fh;	1016	close $fh;
748		1017
749	if (@$objs) {	1018	if (@$objs) {
750	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
751	chmod SAVE_MODE, $fh;	1020	chmod SAVE_MODE, $fh;
752	my $data = Storable::nfreeze { version => 1, objs => $objs };	1021	my $data = Storable::nfreeze { version => 1, objs => $objs };
753	aio_write $fh, 0, (length $data), $data, 0;	1022	aio_write $fh, 0, (length $data), $data, 0;
754	aio_fsync $fh;	1023	aio_fsync $fh if $cf::USE_FSYNC;
755	close $fh;	1024	close $fh;
756	aio_rename "$filename.pst~", "$filename.pst";	1025	aio_rename "$filename.pst~", "$filename.pst";
757	}	1026	}
758	} else {	1027	} else {
759	aio_unlink "$filename.pst";	1028	aio_unlink "$filename.pst";
…		…
791	or return;	1060	or return;
792	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
793	}	1062	}
794		1063
795	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
796	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
797	return ($data, $av);	1066	return ($data, $av);
798	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
799		1074
800	#############################################################################	1075	#############################################################################
801	# command handling &c	1076	# command handling &c
802		1077
803	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
816	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
817	}	1092	}
818		1093
819	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
820		1095
821	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.
822		1101
823	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
824	called.	1103	called.
825		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
826	=cut	1116	=cut
827		1117
828	sub register_extcmd {	1118	sub register_extcmd {
829	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
830		1120
831	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
832	}	1128	}
833		1129
834	cf::player->attach (	1130	cf::player->attach (
835	on_command => sub {	1131	on_command => sub {
836	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
845	cf::override;	1141	cf::override;
846	},	1142	},
847	on_extcmd => sub {	1143	on_extcmd => sub {
848	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
849		1145
850	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
851		1147
852	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
853	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
854	if (my %reply = $cb->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
855	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
856	}	1158	if $reply;
857	}	1159	}
858	} else {	1160	} else {
859	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
860	}	1162	}
861		1163
862	cf::override;	1164	cf::override;
863	},	1165	},
864	);	1166	);
865		1167
866	sub load_extension {
867	my ($path) = @_;
868
869	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
870	my $base = $1;
871	my $pkg = $1;
872	$pkg =~ s/[^[:word:]]/_/g;
873	$pkg = "ext::$pkg";
874
875	warn "... loading '$path' into '$pkg'\n";
876
877	open my $fh, "<:utf8", $path
878	or die "$path: $!";
879
880	my $source =
881	"package $pkg; use strict; use utf8;\n"
882	. "#line 1 \"$path\"\n{\n"
883	. (do { local $/; <$fh> })
884	. "\n};\n1";
885
886	unless (eval $source) {
887	my $msg = $@ ? "$path: $@\n"
888	: "extension disabled.\n";
889	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
890	warn $@;
891	warn "mandatory extension failed to load, exiting.\n";
892	exit 1;
893	}
894	die $@;
895	}
896
897	push @EXTS, $pkg;
898	}
899
900	sub load_extensions {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
901	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
902	next unless -r $ext;	1173	next unless -r $path;
903	eval {	1174
904	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;
905	1	1232	}
906	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
907	}	1238	};
908	}	1239	}
909		1240
910	#############################################################################	1241	#############################################################################
911		1242
		1243	=back
		1244
912	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
913		1246
914	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
915		1248
916	=cut	1249	=cut
…		…
928	Returns the given player object, loading it if necessary (might block).	1261	Returns the given player object, loading it if necessary (might block).
929		1262
930	=cut	1263	=cut
931		1264
932	sub playerdir($) {	1265	sub playerdir($) {
933	cf::localdir	1266	"$PLAYERDIR/"
934	. "/"
935	. cf::playerdir
936	. "/"
937	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1267	. (ref $_[0] ? $_[0]->ob->name : $_[0])
938	}	1268	}
939		1269
940	sub path($) {	1270	sub path($) {
941	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1271	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
942		1272
943	(playerdir $login) . "/$login.pl"	1273	(playerdir $login) . "/playerdata"
944	}	1274	}
945		1275
946	sub find_active($) {	1276	sub find_active($) {
947	$cf::PLAYER{$_[0]}	1277	$cf::PLAYER{$_[0]}
948	and $cf::PLAYER{$_[0]}->active	1278	and $cf::PLAYER{$_[0]}->active
…		…
951		1281
952	sub exists($) {	1282	sub exists($) {
953	my ($login) = @_;	1283	my ($login) = @_;
954		1284
955	$cf::PLAYER{$login}	1285	$cf::PLAYER{$login}
956	or cf::sync_job { !aio_stat $login }	1286	or cf::sync_job { !aio_stat path $login }
957	}	1287	}
958		1288
959	sub find($) {	1289	sub find($) {
960	return $cf::PLAYER{$_[0]} || do {	1290	return $cf::PLAYER{$_[0]} || do {
961	my $login = $_[0];	1291	my $login = $_[0];
962		1292
963	my $guard = cf::lock_acquire "user_find:$login";	1293	my $guard = cf::lock_acquire "user_find:$login";
964		1294
965	$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
966	my $pl = load_pl path $login	1303	my $pl = load_pl path $login
967	or return;	1304	or return;
968	$cf::PLAYER{$login} = $pl	1305	$cf::PLAYER{$login} = $pl
969	}	1306	}
970	}	1307	}
…		…
998	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
999		1336
1000	$self	1337	$self
1001	}	1338	}
1002		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
1003	=item $pl->quit_character	1350	=item $pl->quit_character
1004		1351
1005	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
1006	be destroyed. May block for a long time.	1353	be destroyed. May block for a long time.
1007		1354
1008	=cut	1355	=cut
1009		1356
1010	sub quit_character {	1357	sub quit_character {
1011	my ($pl) = @_;	1358	my ($pl) = @_;
		1359
		1360	my $name = $pl->ob->name;
1012		1361
1013	$pl->{deny_save} = 1;	1362	$pl->{deny_save} = 1;
1014	$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
1015		1364
1016	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1021	my $path = playerdir $pl;	1370	my $path = playerdir $pl;
1022	my $temp = "$path~$cf::RUNTIME~deleting~";	1371	my $temp = "$path~$cf::RUNTIME~deleting~";
1023	aio_rename $path, $temp;	1372	aio_rename $path, $temp;
1024	delete $cf::PLAYER{$pl->ob->name};	1373	delete $cf::PLAYER{$pl->ob->name};
1025	$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
1026	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;
1027	}	1396	}
1028		1397
1029	=item cf::player::list_logins	1398	=item cf::player::list_logins
1030		1399
1031	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
1032	while and may block, so not sync_job-capable, ever.	1401	while and may block, so not sync_job-capable, ever.
1033		1402
1034	=cut	1403	=cut
1035		1404
1036	sub list_logins {	1405	sub list_logins {
1037	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1406	my $dirs = aio_readdir $PLAYERDIR
1038	or return [];	1407	or return [];
1039		1408
1040	my @logins;	1409	my @logins;
1041		1410
1042	for my $login (@$dirs) {	1411	for my $login (@$dirs) {
…		…
1059	=cut	1428	=cut
1060		1429
1061	sub maps($) {	1430	sub maps($) {
1062	my ($pl) = @_;	1431	my ($pl) = @_;
1063		1432
		1433	$pl = ref $pl ? $pl->ob->name : $pl;
		1434
1064	my $files = aio_readdir playerdir $pl	1435	my $files = aio_readdir playerdir $pl
1065	or return;	1436	or return;
1066		1437
1067	my @paths;	1438	my @paths;
1068		1439
1069	for (@$files) {	1440	for (@$files) {
1070	utf8::decode $_;	1441	utf8::decode $_;
1071	next if /\.(?:pl|pst)$/;	1442	next if /\.(?:pl|pst)$/;
1072	next unless /^$PATH_SEP/o;	1443	next unless /^$PATH_SEP/o;
1073		1444
1074	s/\.map$//;	1445	push @paths, cf::map::normalise "~$pl/$_";
1075	push @paths, "~" . $pl->ob->name . "/" . $_;
1076	}	1446	}
1077		1447
1078	\@paths	1448	\@paths
1079	}	1449	}
1080		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
1081	=item $player->ext_reply ($msgid, $msgtype, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1082		1502
1083	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1084		1504
1085	=cut	1505	=cut
1086		1506
1087	sub ext_reply($$$%) {	1507	sub ext_reply($$@) {
1088	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1089		1509
1090	$msg{msgid} = $id;	1510	$self->ns->ext_reply ($id, @msg)
1091
1092	$self->send ("ext " . cf::to_json \%msg);
1093	}	1511	}
1094		1512
1095	package cf;	1513	=item $player->ext_msg ($type, @msg)
		1514
		1515	Sends an ext event to the client.
		1516
		1517	=cut
		1518
		1519	sub ext_msg($$@) {
		1520	my ($self, $type, @msg) = @_;
		1521
		1522	$self->ns->ext_msg ($type, @msg);
		1523	}
		1524
		1525	=head3 cf::region
		1526
		1527	=over 4
		1528
		1529	=cut
		1530
		1531	package cf::region;
		1532
		1533	=item cf::region::find_by_path $path
		1534
		1535	Tries to decuce the likely region for a map knowing only its path.
		1536
		1537	=cut
		1538
		1539	sub find_by_path($) {
		1540	my ($path) = @_;
		1541
		1542	my ($match, $specificity);
		1543
		1544	for my $region (list) {
		1545	if ($region->{match} && $path =~ $region->{match}) {
		1546	($match, $specificity) = ($region, $region->specificity)
		1547	if $region->specificity > $specificity;
		1548	}
		1549	}
		1550
		1551	$match
		1552	}
1096		1553
1097	=back	1554	=back
1098
1099		1555
1100	=head3 cf::map	1556	=head3 cf::map
1101		1557
1102	=over 4	1558	=over 4
1103		1559
…		…
1107		1563
1108	use Fcntl;	1564	use Fcntl;
1109	use Coro::AIO;	1565	use Coro::AIO;
1110		1566
1111	use overload	1567	use overload
1112	'""' => \&as_string;	1568	'""' => \&as_string,
		1569	fallback => 1;
1113		1570
1114	our $MAX_RESET = 3600;	1571	our $MAX_RESET = 3600;
1115	our $DEFAULT_RESET = 3000;	1572	our $DEFAULT_RESET = 3000;
1116		1573
1117	sub generate_random_map {	1574	sub generate_random_map {
1118	my ($self, $rmp) = @_;	1575	my ($self, $rmp) = @_;
1119
1120	# mit "rum" bekleckern, nicht	1576	# mit "rum" bekleckern, nicht
1121	$self->_create_random_map (	1577	$self->_create_random_map (
1122	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1578	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1123	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1579	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1124	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1580	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1131	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1587	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1132	(cf::region::find $rmp->{region}), $rmp->{custom}	1588	(cf::region::find $rmp->{region}), $rmp->{custom}
1133	)	1589	)
1134	}	1590	}
1135		1591
		1592	=item cf::map->register ($regex, $prio)
		1593
		1594	Register a handler for the map path matching the given regex at the
		1595	givne priority (higher is better, built-in handlers have priority 0, the
		1596	default).
		1597
		1598	=cut
		1599
1136	sub register {	1600	sub register {
1137	my (undef, $regex) = @_;	1601	my (undef, $regex, $prio) = @_;
1138	my $pkg = caller;	1602	my $pkg = caller;
1139		1603
1140	no strict;	1604	no strict;
1141	push @{"$pkg\::ISA"}, __PACKAGE__;	1605	push @{"$pkg\::ISA"}, __PACKAGE__;
1142		1606
1143	$EXT_MAP{$pkg} = qr<$regex>;	1607	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1144	}	1608	}
1145		1609
1146	# also paths starting with '/'	1610	# also paths starting with '/'
1147	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1611	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1612
		1613	sub thawer_merge {
		1614	my ($self, $merge) = @_;
		1615
		1616	# we have to keep some variables in memory intact
		1617	local $self->{path};
		1618	local $self->{load_path};
		1619
		1620	$self->SUPER::thawer_merge ($merge);
		1621	}
1148		1622
1149	sub normalise {	1623	sub normalise {
1150	my ($path, $base) = @_;	1624	my ($path, $base) = @_;
		1625
		1626	$path = "$path"; # make sure its a string
		1627
		1628	$path =~ s/\.map$//;
1151		1629
1152	# map plan:	1630	# map plan:
1153	#	1631	#
1154	# /! non-realised random map exit (special hack!)	1632	# /! non-realised random map exit (special hack!)
1155	# {... are special paths that are not being touched	1633	# {... are special paths that are not being touched
…		…
1183		1661
1184	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1662	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1185		1663
1186	$path = normalise $path, $base;	1664	$path = normalise $path, $base;
1187		1665
1188	for my $pkg (keys %EXT_MAP) {	1666	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1189	if ($path =~ $EXT_MAP{$pkg}) {	1667	if ($path =~ $EXT_MAP{$pkg}[1]) {
1190	my $self = bless cf::map::new, $pkg;	1668	my $self = bless cf::map::new, $pkg;
1191	$self->{path} = $path; $self->path ($path);	1669	$self->{path} = $path; $self->path ($path);
1192	$self->init; # pass $1 etc.	1670	$self->init; # pass $1 etc.
1193	return $self;	1671	return $self;
1194	}	1672	}
1195	}	1673	}
1196		1674
1197	Carp::carp "unable to resolve path '$path'.";	1675	Carp::cluck "unable to resolve path '$path' (base '$base').";
1198	()	1676	()
1199	}	1677	}
1200		1678
1201	sub init {	1679	sub init {
1202	my ($self) = @_;	1680	my ($self) = @_;
…		…
1217		1695
1218	# the original (read-only) location	1696	# the original (read-only) location
1219	sub load_path {	1697	sub load_path {
1220	my ($self) = @_;	1698	my ($self) = @_;
1221		1699
1222	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1700	"$MAPDIR/$self->{path}.map"
1223	}	1701	}
1224		1702
1225	# the temporary/swap location	1703	# the temporary/swap location
1226	sub save_path {	1704	sub save_path {
1227	my ($self) = @_;	1705	my ($self) = @_;
1228		1706
1229	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1707	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1230	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1708	"$TMPDIR/$path.map"
1231	}	1709	}
1232		1710
1233	# the unique path, undef == no special unique path	1711	# the unique path, undef == no special unique path
1234	sub uniq_path {	1712	sub uniq_path {
1235	my ($self) = @_;	1713	my ($self) = @_;
1236		1714
1237	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1715	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1238	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1716	"$UNIQUEDIR/$path"
1239	}	1717	}
1240		1718
1241	# and all this just because we cannot iterate over	1719	# and all this just because we cannot iterate over
1242	# all maps in C++...	1720	# all maps in C++...
1243	sub change_all_map_light {	1721	sub change_all_map_light {
…		…
1245		1723
1246	$_->change_map_light ($change)	1724	$_->change_map_light ($change)
1247	for grep $_->outdoor, values %cf::MAP;	1725	for grep $_->outdoor, values %cf::MAP;
1248	}	1726	}
1249		1727
		1728	sub decay_objects {
		1729	my ($self) = @_;
		1730
		1731	return if $self->{deny_reset};
		1732
		1733	$self->do_decay_objects;
		1734	}
		1735
1250	sub unlink_save {	1736	sub unlink_save {
1251	my ($self) = @_;	1737	my ($self) = @_;
1252		1738
1253	utf8::encode (my $save = $self->save_path);	1739	utf8::encode (my $save = $self->save_path);
1254	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1740	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1255	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1741	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1256	}	1742	}
1257		1743
1258	sub load_header_from($) {	1744	sub load_header_from($) {
1259	my ($self, $path) = @_;	1745	my ($self, $path) = @_;
1260		1746
1261	utf8::encode $path;	1747	utf8::encode $path;
1262	aio_open $path, O_RDONLY, 0	1748	#aio_open $path, O_RDONLY, 0
1263	or return;	1749	# or return;
1264		1750
1265	$self->_load_header ($path)	1751	$self->_load_header ($path)
1266	or return;	1752	or return;
1267		1753
1268	$self->{load_path} = $path;	1754	$self->{load_path} = $path;
1269		1755
1270	1	1756	1
1271	}	1757	}
1272		1758
1273	sub load_orig {	1759	sub load_header_orig {
1274	my ($self) = @_;	1760	my ($self) = @_;
1275		1761
1276	$self->load_header_from ($self->load_path)	1762	$self->load_header_from ($self->load_path)
1277	}	1763	}
1278		1764
1279	sub load_temp {	1765	sub load_header_temp {
1280	my ($self) = @_;	1766	my ($self) = @_;
1281		1767
1282	$self->load_header_from ($self->save_path)	1768	$self->load_header_from ($self->save_path)
		1769	}
		1770
		1771	sub prepare_temp {
		1772	my ($self) = @_;
		1773
		1774	$self->last_access ((delete $self->{last_access})
		1775	|| $cf::RUNTIME); #d#
		1776	# safety
		1777	$self->{instantiate_time} = $cf::RUNTIME
		1778	if $self->{instantiate_time} > $cf::RUNTIME;
		1779	}
		1780
		1781	sub prepare_orig {
		1782	my ($self) = @_;
		1783
		1784	$self->{load_original} = 1;
		1785	$self->{instantiate_time} = $cf::RUNTIME;
		1786	$self->last_access ($cf::RUNTIME);
		1787	$self->instantiate;
1283	}	1788	}
1284		1789
1285	sub load_header {	1790	sub load_header {
1286	my ($self) = @_;	1791	my ($self) = @_;
1287		1792
1288	if ($self->load_temp) {	1793	if ($self->load_header_temp) {
1289	$self->last_access ((delete $self->{last_access})	1794	$self->prepare_temp;
1290	|| $cf::RUNTIME); #d#
1291	# safety
1292	$self->{instantiate_time} = $cf::RUNTIME
1293	if $self->{instantiate_time} > $cf::RUNTIME;
1294	} else {	1795	} else {
1295	$self->load_orig	1796	$self->load_header_orig
1296	or return;	1797	or return;
1297		1798	$self->prepare_orig;
1298	$self->{load_original} = 1;
1299	$self->{instantiate_time} = $cf::RUNTIME;
1300	$self->last_access ($cf::RUNTIME);
1301	$self->instantiate;
1302	}	1799	}
		1800
		1801	$self->{deny_reset} = 1
		1802	if $self->no_reset;
		1803
		1804	$self->default_region (cf::region::find_by_path $self->{path})
		1805	unless $self->default_region;
1303		1806
1304	1	1807	1
1305	}	1808	}
1306		1809
1307	sub find;	1810	sub find;
…		…
1320	$map->{last_save} = $cf::RUNTIME;	1823	$map->{last_save} = $cf::RUNTIME;
1321		1824
1322	$map->load_header	1825	$map->load_header
1323	or return;	1826	or return;
1324		1827
1325	if ($map->should_reset) {	1828	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1829	# doing this can freeze the server in a sync job, obviously
		1830	#$cf::WAIT_FOR_TICK->wait;
1326	$map->reset;	1831	$map->reset;
1327	undef $guard;	1832	undef $guard;
1328	$map = find $path	1833	return find $path;
1329	or return;
1330	}	1834	}
1331		1835
1332	$cf::MAP{$path} = $map	1836	$cf::MAP{$path} = $map
1333	}	1837	}
1334	}	1838	}
		1839
		1840	sub pre_load { }
		1841	sub post_load { }
1335		1842
1336	sub load {	1843	sub load {
1337	my ($self) = @_;	1844	my ($self) = @_;
1338		1845
		1846	local $self->{deny_reset} = 1; # loading can take a long time
		1847
1339	my $path = $self->{path};	1848	my $path = $self->{path};
		1849
		1850	{
1340	my $guard = cf::lock_acquire "map_load:$path";	1851	my $guard = cf::lock_acquire "map_load:$path";
1341		1852
1342	return if $self->in_memory != cf::MAP_SWAPPED;	1853	return if $self->in_memory != cf::MAP_SWAPPED;
1343		1854
1344	$self->in_memory (cf::MAP_LOADING);	1855	$self->in_memory (cf::MAP_LOADING);
1345		1856
1346	$self->alloc;	1857	$self->alloc;
1347	$self->_load_objects ($self->{load_path}, 1)
1348	or return;
1349		1858
1350	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1859	$self->pre_load;
1351	if delete $self->{load_original};
1352
1353	if (my $uniq = $self->uniq_path) {
1354	utf8::encode $uniq;
1355	if (aio_open $uniq, O_RDONLY, 0) {
1356	$self->clear_unique_items;
1357	$self->_load_objects ($uniq, 0);
1358	}
1359	}
1360
1361	Coro::cede;
1362
1363	# now do the right thing for maps
1364	$self->link_multipart_objects;
1365
1366	unless ($self->{deny_activate}) {
1367	$self->decay_objects;
1368	$self->fix_auto_apply;
1369	$self->update_buttons;
1370	Coro::cede;	1860	Coro::cede;
1371	$self->set_darkness_map;	1861
		1862	$self->_load_objects ($self->{load_path}, 1)
		1863	or return;
		1864
		1865	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1866	if delete $self->{load_original};
		1867
		1868	if (my $uniq = $self->uniq_path) {
		1869	utf8::encode $uniq;
		1870	if (aio_open $uniq, O_RDONLY, 0) {
		1871	$self->clear_unique_items;
		1872	$self->_load_objects ($uniq, 0);
		1873	}
		1874	}
		1875
		1876	Coro::cede;
		1877	# now do the right thing for maps
		1878	$self->link_multipart_objects;
1372	$self->difficulty ($self->estimate_difficulty)	1879	$self->difficulty ($self->estimate_difficulty)
1373	unless $self->difficulty;	1880	unless $self->difficulty;
1374	Coro::cede;	1881	Coro::cede;
		1882
		1883	unless ($self->{deny_activate}) {
		1884	$self->decay_objects;
		1885	$self->fix_auto_apply;
		1886	$self->update_buttons;
		1887	Coro::cede;
		1888	$self->set_darkness_map;
		1889	Coro::cede;
1375	$self->activate;	1890	$self->activate;
1376	}	1891	}
1377		1892
		1893	$self->{last_save} = $cf::RUNTIME;
		1894	$self->last_access ($cf::RUNTIME);
		1895
1378	$self->in_memory (cf::MAP_IN_MEMORY);	1896	$self->in_memory (cf::MAP_IN_MEMORY);
		1897	}
		1898
		1899	$self->post_load;
1379	}	1900	}
1380		1901
1381	sub customise_for {	1902	sub customise_for {
1382	my ($self, $ob) = @_;	1903	my ($self, $ob) = @_;
1383		1904
1384	return find "~" . $ob->name . "/" . $self->{path}	1905	return find "~" . $ob->name . "/" . $self->{path}
1385	if $self->per_player;	1906	if $self->per_player;
1386		1907
		1908	# return find "?party/" . $ob->name . "/" . $self->{path}
		1909	# if $self->per_party;
		1910
1387	$self	1911	$self
1388	}	1912	}
1389		1913
1390	# find and load all maps in the 3x3 area around a map	1914	# find and load all maps in the 3x3 area around a map
1391	sub load_diag {	1915	sub load_neighbours {
1392	my ($map) = @_;	1916	my ($map) = @_;
1393		1917
1394	my @diag; # diagonal neighbours	1918	my @neigh; # diagonal neighbours
1395		1919
1396	for (0 .. 3) {	1920	for (0 .. 3) {
1397	my $neigh = $map->tile_path ($_)	1921	my $neigh = $map->tile_path ($_)
1398	or next;	1922	or next;
1399	$neigh = find $neigh, $map	1923	$neigh = find $neigh, $map
1400	or next;	1924	or next;
1401	$neigh->load;	1925	$neigh->load;
1402		1926
		1927	push @neigh,
1403	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1928	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1404	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1929	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1405	}	1930	}
1406		1931
1407	for (@diag) {	1932	for (grep defined $_->[0], @neigh) {
		1933	my ($path, $origin) = @$_;
1408	my $neigh = find @$_	1934	my $neigh = find $path, $origin
1409	or next;	1935	or next;
1410	$neigh->load;	1936	$neigh->load;
1411	}	1937	}
1412	}	1938	}
1413		1939
…		…
1422		1948
1423	cf::sync_job { $map->load };	1949	cf::sync_job { $map->load };
1424	}	1950	}
1425		1951
1426	our %MAP_PREFETCH;	1952	our %MAP_PREFETCH;
1427	our $MAP_PREFETCHER = Coro::async {	1953	our $MAP_PREFETCHER = undef;
1428	while () {
1429	for my $path (keys %MAP_PREFETCH) {
1430	my $map = find $path
1431	or next;
1432	$map->load;
1433
1434	delete $MAP_PREFETCH{$path};
1435	}
1436	Coro::schedule;
1437	}
1438	};
1439		1954
1440	sub find_async {	1955	sub find_async {
1441	my ($path, $origin) = @_;	1956	my ($path, $origin) = @_;
1442		1957
1443	$path = normalise $path, $origin && $origin->{path};	1958	$path = normalise $path, $origin && $origin->{path};
1444		1959
1445	if (my $map = $cf::MAP{$path}) {	1960	if (my $map = $cf::MAP{$path}) {
1446	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1961	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1447	}	1962	}
1448		1963
1449	$MAP_PREFETCH{$path} = 0;	1964	undef $MAP_PREFETCH{$path};
		1965	$MAP_PREFETCHER ||= cf::async {
		1966	while (%MAP_PREFETCH) {
		1967	for my $path (keys %MAP_PREFETCH) {
		1968	if (my $map = find $path) {
		1969	$map->load;
		1970	}
		1971
		1972	delete $MAP_PREFETCH{$path};
		1973	}
		1974	}
		1975	undef $MAP_PREFETCHER;
		1976	};
1450	$MAP_PREFETCHER->ready;	1977	$MAP_PREFETCHER->prio (6);
1451		1978
1452	()	1979	()
1453	}	1980	}
1454		1981
1455	sub save {	1982	sub save {
…		…
1500		2027
1501	sub reset_at {	2028	sub reset_at {
1502	my ($self) = @_;	2029	my ($self) = @_;
1503		2030
1504	# TODO: safety, remove and allow resettable per-player maps	2031	# TODO: safety, remove and allow resettable per-player maps
1505	return 1e99 if $self->isa ("ext::map_per_player");#d#
1506	return 1e99 if $self->{deny_reset};	2032	return 1e99 if $self->{deny_reset};
1507		2033
1508	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2034	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1509	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2035	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1510		2036
…		…
1515	my ($self) = @_;	2041	my ($self) = @_;
1516		2042
1517	$self->reset_at <= $cf::RUNTIME	2043	$self->reset_at <= $cf::RUNTIME
1518	}	2044	}
1519		2045
1520	sub rename {
1521	my ($self, $new_path) = @_;
1522
1523	normalise $new_path;
1524
1525	$self->unlink_save;
1526
1527	delete $cf::MAP{$self->path};
1528	$self->{path} = $new_path; $self->path ($self->{path});
1529	$cf::MAP{$self->path} = $self;
1530
1531	$self->save;
1532	}
1533
1534	sub reset {	2046	sub reset {
1535	my ($self) = @_;	2047	my ($self) = @_;
1536		2048
1537	my $lock = cf::lock_acquire "map_data:$self->{path}";	2049	my $lock = cf::lock_acquire "map_data:$self->{path}";
1538		2050
1539	return if $self->players;	2051	return if $self->players;
1540	return if $self->isa ("ext::map_per_player");#d#
1541		2052
1542	warn "resetting map ", $self->path;#d#	2053	warn "resetting map ", $self->path;
		2054
		2055	$self->in_memory (cf::MAP_SWAPPED);
		2056
		2057	# need to save uniques path
		2058	unless ($self->{deny_save}) {
		2059	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2060
		2061	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2062	if $uniq;
		2063	}
1543		2064
1544	delete $cf::MAP{$self->path};	2065	delete $cf::MAP{$self->path};
1545		2066
1546	$self->in_memory (cf::MAP_SWAPPED);
1547	$self->clear;	2067	$self->clear;
1548		2068
1549	$_->clear_links_to ($self) for values %cf::MAP;	2069	$_->clear_links_to ($self) for values %cf::MAP;
1550		2070
1551	$self->unlink_save;	2071	$self->unlink_save;
…		…
1555	my $nuke_counter = "aaaa";	2075	my $nuke_counter = "aaaa";
1556		2076
1557	sub nuke {	2077	sub nuke {
1558	my ($self) = @_;	2078	my ($self) = @_;
1559		2079
		2080	delete $cf::MAP{$self->path};
		2081
		2082	$self->unlink_save;
		2083
		2084	bless $self, "cf::map";
		2085	delete $self->{deny_reset};
1560	$self->{deny_save} = 1;	2086	$self->{deny_save} = 1;
1561	$self->reset_timeout (1);	2087	$self->reset_timeout (1);
1562	$self->rename ("{nuke}/" . ($nuke_counter++));	2088	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2089
		2090	$cf::MAP{$self->path} = $self;
		2091
1563	$self->reset; # polite request, might not happen	2092	$self->reset; # polite request, might not happen
		2093	}
		2094
		2095	=item $maps = cf::map::tmp_maps
		2096
		2097	Returns an arrayref with all map paths of currently instantiated and saved
		2098	maps. May block.
		2099
		2100	=cut
		2101
		2102	sub tmp_maps() {
		2103	[
		2104	map {
		2105	utf8::decode $_;
		2106	/\.map$/
		2107	? normalise $_
		2108	: ()
		2109	} @{ aio_readdir $TMPDIR or [] }
		2110	]
		2111	}
		2112
		2113	=item $maps = cf::map::random_maps
		2114
		2115	Returns an arrayref with all map paths of currently instantiated and saved
		2116	random maps. May block.
		2117
		2118	=cut
		2119
		2120	sub random_maps() {
		2121	[
		2122	map {
		2123	utf8::decode $_;
		2124	/\.map$/
		2125	? normalise "?random/$_"
		2126	: ()
		2127	} @{ aio_readdir $RANDOMDIR or [] }
		2128	]
1564	}	2129	}
1565		2130
1566	=item cf::map::unique_maps	2131	=item cf::map::unique_maps
1567		2132
1568	Returns an arrayref of paths of all shared maps that have	2133	Returns an arrayref of paths of all shared maps that have
1569	instantiated unique items. May block.	2134	instantiated unique items. May block.
1570		2135
1571	=cut	2136	=cut
1572		2137
1573	sub unique_maps() {	2138	sub unique_maps() {
1574	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2139	[
1575	or return;	2140	map {
1576
1577	my @paths;
1578
1579	for (@$files) {
1580	utf8::decode $_;	2141	utf8::decode $_;
1581	next if /\.pst$/;
1582	next unless /^$PATH_SEP/o;
1583
1584	s/\.map$//;	2142	/\.map$/
1585	push @paths, $_;	2143	? normalise $_
		2144	: ()
		2145	} @{ aio_readdir $UNIQUEDIR or [] }
1586	}	2146	]
1587
1588	\@paths
1589	}	2147	}
1590		2148
1591	package cf;	2149	package cf;
1592		2150
1593	=back	2151	=back
…		…
1639		2197
1640	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2198	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1641		2199
1642	if ($self->{record_replies}) {	2200	if ($self->{record_replies}) {
1643	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2201	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2202
1644	} else {	2203	} else {
		2204	my $pl = $self->contr;
		2205
		2206	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2207	my $dialog = $pl->{npc_dialog};
		2208	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2209
		2210	} else {
1645	$msg = $npc->name . " says: $msg" if $npc;	2211	$msg = $npc->name . " says: $msg" if $npc;
1646	$self->message ($msg, $flags);	2212	$self->message ($msg, $flags);
		2213	}
1647	}	2214	}
		2215	}
		2216
		2217	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2218
		2219	=cut
		2220
		2221	sub cf::object::send_msg {
		2222	my $pl = shift->contr
		2223	or return;
		2224	$pl->send_msg (@_);
1648	}	2225	}
1649		2226
1650	=item $player_object->may ("access")	2227	=item $player_object->may ("access")
1651		2228
1652	Returns wether the given player is authorized to access resource "access"	2229	Returns wether the given player is authorized to access resource "access"
…		…
1684	=cut	2261	=cut
1685		2262
1686	sub link_map {	2263	sub link_map {
1687	unless ($LINK_MAP) {	2264	unless ($LINK_MAP) {
1688	$LINK_MAP = cf::map::find "{link}"	2265	$LINK_MAP = cf::map::find "{link}"
1689	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2266	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1690	$LINK_MAP->load;	2267	$LINK_MAP->load;
1691	}	2268	}
1692		2269
1693	$LINK_MAP	2270	$LINK_MAP
1694	}	2271	}
…		…
1699	$self->deactivate_recursive;	2276	$self->deactivate_recursive;
1700		2277
1701	return if UNIVERSAL::isa $self->map, "ext::map_link";	2278	return if UNIVERSAL::isa $self->map, "ext::map_link";
1702		2279
1703	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2280	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1704	if $self->map;	2281	if $self->map && $self->map->{path} ne "{link}";
1705		2282
1706	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2283	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1707	}	2284	}
1708		2285
1709	sub cf::object::player::leave_link {	2286	sub cf::object::player::leave_link {
1710	my ($self, $map, $x, $y) = @_;	2287	my ($self, $map, $x, $y) = @_;
		2288
		2289	return unless $self->contr->active;
1711		2290
1712	my $link_pos = delete $self->{_link_pos};	2291	my $link_pos = delete $self->{_link_pos};
1713		2292
1714	unless ($map) {	2293	unless ($map) {
1715	# restore original map position	2294	# restore original map position
…		…
1729	# use -1 or undef as default coordinates, not 0, 0	2308	# use -1 or undef as default coordinates, not 0, 0
1730	($x, $y) = ($map->enter_x, $map->enter_y)	2309	($x, $y) = ($map->enter_x, $map->enter_y)
1731	if $x <=0 && $y <= 0;	2310	if $x <=0 && $y <= 0;
1732		2311
1733	$map->load;	2312	$map->load;
1734	$map->load_diag;	2313	$map->load_neighbours;
1735		2314
1736	return unless $self->contr->active;	2315	return unless $self->contr->active;
1737	$self->activate_recursive;	2316	$self->activate_recursive;
		2317
		2318	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1738	$self->enter_map ($map, $x, $y);	2319	$self->enter_map ($map, $x, $y);
1739	}	2320	}
1740		2321
1741	cf::player->attach (	2322	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1742	on_logout => sub {
1743	my ($pl) = @_;
1744		2323
1745	# abort map switching before logout	2324	Moves the player to the given map-path and coordinates by first freezing
1746	if ($pl->ob->{_link_pos}) {	2325	her, loading and preparing them map, calling the provided $check callback
1747	cf::sync_job {	2326	that has to return the map if sucecssful, and then unfreezes the player on
1748	$pl->ob->leave_link	2327	the new (success) or old (failed) map position. In either case, $done will
1749	};	2328	be called at the end of this process.
1750	}
1751	},
1752	on_login => sub {
1753	my ($pl) = @_;
1754		2329
1755	# try to abort aborted map switching on player login :)
1756	# should happen only on crashes
1757	if ($pl->ob->{_link_pos}) {
1758	$pl->ob->enter_link;
1759	(async {
1760	# we need this sleep as the login has a concurrent enter_exit running
1761	# and this sleep increases chances of the player not ending up in scorn
1762	$pl->ob->reply (undef,
1763	"There was an internal problem at your last logout, "
1764	. "the server will try to bring you to your intended destination in a second.",
1765	cf::NDI_RED);
1766	Coro::Timer::sleep 1;
1767	$pl->ob->leave_link;
1768	})->prio (2);
1769	}
1770	},
1771	);
1772
1773	=item $player_object->goto ($path, $x, $y)
1774
1775	=cut	2330	=cut
		2331
		2332	our $GOTOGEN;
1776		2333
1777	sub cf::object::player::goto {	2334	sub cf::object::player::goto {
1778	my ($self, $path, $x, $y) = @_;	2335	my ($self, $path, $x, $y, $check, $done) = @_;
		2336
		2337	# do generation counting so two concurrent goto's will be executed in-order
		2338	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1779		2339
1780	$self->enter_link;	2340	$self->enter_link;
1781		2341
1782	(async {	2342	(async {
		2343	my $map = eval {
1783	my $map = cf::map::find $path;	2344	my $map = cf::map::find $path;
		2345
		2346	if ($map) {
1784	$map = $map->customise_for ($self) if $map;	2347	$map = $map->customise_for ($self);
1785		2348	$map = $check->($map) if $check && $map;
1786	# warn "entering ", $map->path, " at ($x, $y)\n"	2349	} else {
1787	# if $map;
1788
1789	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2350	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2351	}
1790		2352
		2353	$map
		2354	};
		2355
		2356	if ($@) {
		2357	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2358	LOG llevError | logBacktrace, Carp::longmess $@;
		2359	}
		2360
		2361	if ($gen == $self->{_goto_generation}) {
		2362	delete $self->{_goto_generation};
1791	$self->leave_link ($map, $x, $y);	2363	$self->leave_link ($map, $x, $y);
		2364	}
		2365
		2366	$done->() if $done;
1792	})->prio (1);	2367	})->prio (1);
1793	}	2368	}
1794		2369
1795	=item $player_object->enter_exit ($exit_object)	2370	=item $player_object->enter_exit ($exit_object)
1796		2371
…		…
1798		2373
1799	sub parse_random_map_params {	2374	sub parse_random_map_params {
1800	my ($spec) = @_;	2375	my ($spec) = @_;
1801		2376
1802	my $rmp = { # defaults	2377	my $rmp = { # defaults
1803	xsize => 10,	2378	xsize => (cf::rndm 15, 40),
1804	ysize => 10,	2379	ysize => (cf::rndm 15, 40),
		2380	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2381	#layout => string,
1805	};	2382	};
1806		2383
1807	for (split /\n/, $spec) {	2384	for (split /\n/, $spec) {
1808	my ($k, $v) = split /\s+/, $_, 2;	2385	my ($k, $v) = split /\s+/, $_, 2;
1809		2386
…		…
1813	$rmp	2390	$rmp
1814	}	2391	}
1815		2392
1816	sub prepare_random_map {	2393	sub prepare_random_map {
1817	my ($exit) = @_;	2394	my ($exit) = @_;
		2395
		2396	my $guard = cf::lock_acquire "exit_prepare:$exit";
1818		2397
1819	# all this does is basically replace the /! path by	2398	# all this does is basically replace the /! path by
1820	# a new random map path (?random/...) with a seed	2399	# a new random map path (?random/...) with a seed
1821	# that depends on the exit object	2400	# that depends on the exit object
1822		2401
1823	my $rmp = parse_random_map_params $exit->msg;	2402	my $rmp = parse_random_map_params $exit->msg;
1824		2403
1825	if ($exit->map) {	2404	if ($exit->map) {
1826	$rmp->{region} = $exit->map->region_name;	2405	$rmp->{region} = $exit->region->name;
1827	$rmp->{origin_map} = $exit->map->path;	2406	$rmp->{origin_map} = $exit->map->path;
1828	$rmp->{origin_x} = $exit->x;	2407	$rmp->{origin_x} = $exit->x;
1829	$rmp->{origin_y} = $exit->y;	2408	$rmp->{origin_y} = $exit->y;
1830	}	2409	}
1831		2410
1832	$rmp->{random_seed} ||= $exit->random_seed;	2411	$rmp->{random_seed} ||= $exit->random_seed;
1833		2412
1834	my $data = cf::to_json $rmp;	2413	my $data = cf::to_json $rmp;
1835	my $md5 = Digest::MD5::md5_hex $data;	2414	my $md5 = Digest::MD5::md5_hex $data;
		2415	my $meta = "$RANDOMDIR/$md5.meta";
1836		2416
1837	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2417	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1838	aio_write $fh, 0, (length $data), $data, 0;	2418	aio_write $fh, 0, (length $data), $data, 0;
		2419	undef $fh;
		2420	aio_rename "$meta~", $meta;
1839		2421
1840	$exit->slaying ("?random/$md5");	2422	$exit->slaying ("?random/$md5");
1841	$exit->msg (undef);	2423	$exit->msg (undef);
1842	}	2424	}
1843	}	2425	}
…		…
1845	sub cf::object::player::enter_exit {	2427	sub cf::object::player::enter_exit {
1846	my ($self, $exit) = @_;	2428	my ($self, $exit) = @_;
1847		2429
1848	return unless $self->type == cf::PLAYER;	2430	return unless $self->type == cf::PLAYER;
1849		2431
		2432	if ($exit->slaying eq "/!") {
		2433	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2434	# the problem is that $exit might not survive long enough
		2435	# so it needs to be done right now, right here
		2436	cf::sync_job { prepare_random_map $exit };
		2437	}
		2438
		2439	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2440	my $hp = $exit->stats->hp;
		2441	my $sp = $exit->stats->sp;
		2442
1850	$self->enter_link;	2443	$self->enter_link;
		2444
		2445	# if exit is damned, update players death & WoR home-position
		2446	$self->contr->savebed ($slaying, $hp, $sp)
		2447	if $exit->flag (FLAG_DAMNED);
1851		2448
1852	(async {	2449	(async {
1853	$self->deactivate_recursive; # just to be sure	2450	$self->deactivate_recursive; # just to be sure
1854	unless (eval {	2451	unless (eval {
1855	prepare_random_map $exit	2452	$self->goto ($slaying, $hp, $sp);
1856	if $exit->slaying eq "/!";
1857
1858	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1859	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1860		2453
1861	1;	2454	1;
1862	}) {	2455	}) {
1863	$self->message ("Something went wrong deep within the crossfire server. "	2456	$self->message ("Something went wrong deep within the crossfire server. "
1864	. "I'll try to bring you back to the map you were before. "	2457	. "I'll try to bring you back to the map you were before. "
1865	. "Please report this to the dungeon master!",	2458	. "Please report this to the dungeon master!",
1866	cf::NDI_UNIQUE | cf::NDI_RED);	2459	cf::NDI_UNIQUE | cf::NDI_RED);
1867		2460
1868	warn "ERROR in enter_exit: $@";	2461	warn "ERROR in enter_exit: $@";
1869	$self->leave_link;	2462	$self->leave_link;
1870	}	2463	}
1871	})->prio (1);	2464	})->prio (1);
…		…
1884		2477
1885	sub cf::client::send_drawinfo {	2478	sub cf::client::send_drawinfo {
1886	my ($self, $text, $flags) = @_;	2479	my ($self, $text, $flags) = @_;
1887		2480
1888	utf8::encode $text;	2481	utf8::encode $text;
1889	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2482	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1890	}	2483	}
1891		2484
		2485	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2486
		2487	Send a drawinfo or msg packet to the client, formatting the msg for the
		2488	client if neccessary. C<$type> should be a string identifying the type of
		2489	the message, with C<log> being the default. If C<$color> is negative, suppress
		2490	the message unless the client supports the msg packet.
		2491
		2492	=cut
		2493
		2494	sub cf::client::send_msg {
		2495	my ($self, $channel, $msg, $color, @extra) = @_;
		2496
		2497	$msg = $self->pl->expand_cfpod ($msg);
		2498
		2499	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2500
		2501	if (ref $channel) {
		2502	# send meta info to client, if not yet sent
		2503	unless (exists $self->{channel}{$channel->{id}}) {
		2504	$self->{channel}{$channel->{id}} = $channel;
		2505	$self->ext_msg (channel_info => $channel);
		2506	}
		2507
		2508	$channel = $channel->{id};
		2509	}
		2510
		2511	return unless @extra || length $msg;
		2512
		2513	if ($self->can_msg) {
		2514	# default colour, mask it out
		2515	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2516	if $color & cf::NDI_DEF;
		2517
		2518	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2519	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2520	} else {
		2521	if ($color >= 0) {
		2522	# replace some tags by gcfclient-compatible ones
		2523	for ($msg) {
		2524	1 while
		2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2530	}
		2531
		2532	$color &= cf::NDI_COLOR_MASK;
		2533
		2534	utf8::encode $msg;
		2535
		2536	if (0 && $msg =~ /\[/) {
		2537	# COMMAND/INFO
		2538	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2539	} else {
		2540	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2541	$self->send_packet ("drawinfo $color $msg")
		2542	}
		2543	}
		2544	}
		2545	}
		2546
		2547	=item $client->ext_msg ($type, @msg)
		2548
		2549	Sends an ext event to the client.
		2550
		2551	=cut
		2552
		2553	sub cf::client::ext_msg($$@) {
		2554	my ($self, $type, @msg) = @_;
		2555
		2556	my $extcmd = $self->extcmd;
		2557
		2558	if ($extcmd == 2) {
		2559	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2560	} elsif ($extcmd == 1) { # TODO: remove
		2561	push @msg, msgtype => "event_$type";
		2562	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2563	}
		2564	}
		2565
		2566	=item $client->ext_reply ($msgid, @msg)
		2567
		2568	Sends an ext reply to the client.
		2569
		2570	=cut
		2571
		2572	sub cf::client::ext_reply($$@) {
		2573	my ($self, $id, @msg) = @_;
		2574
		2575	if ($self->extcmd == 2) {
		2576	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2577	} elsif ($self->ns->extcmd == 1) {
		2578	#TODO: version 1, remove
		2579	unshift @msg, msgtype => "reply", msgid => $id;
		2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2581	}
		2582	}
1892		2583
1893	=item $success = $client->query ($flags, "text", \&cb)	2584	=item $success = $client->query ($flags, "text", \&cb)
1894		2585
1895	Queues a query to the client, calling the given callback with	2586	Queues a query to the client, calling the given callback with
1896	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2587	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1897	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2588	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1898		2589
1899	Queries can fail, so check the return code. Or don't, as queries will become	2590	Queries can fail, so check the return code. Or don't, as queries will
1900	reliable at some point in the future.	2591	become reliable at some point in the future.
1901		2592
1902	=cut	2593	=cut
1903		2594
1904	sub cf::client::query {	2595	sub cf::client::query {
1905	my ($self, $flags, $text, $cb) = @_;	2596	my ($self, $flags, $text, $cb) = @_;
…		…
1913	utf8::encode $text;	2604	utf8::encode $text;
1914	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2605	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1915		2606
1916	$self->send_packet ($self->{query_queue}[0][0])	2607	$self->send_packet ($self->{query_queue}[0][0])
1917	if @{ $self->{query_queue} } == 1;	2608	if @{ $self->{query_queue} } == 1;
		2609
		2610	1
1918	}	2611	}
1919		2612
1920	cf::client->attach (	2613	cf::client->attach (
		2614	on_connect => sub {
		2615	my ($ns) = @_;
		2616
		2617	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2618	},
1921	on_reply => sub {	2619	on_reply => sub {
1922	my ($ns, $msg) = @_;	2620	my ($ns, $msg) = @_;
1923		2621
1924	# this weird shuffling is so that direct followup queries	2622	# this weird shuffling is so that direct followup queries
1925	# get handled first	2623	# get handled first
1926	my $queue = delete $ns->{query_queue}	2624	my $queue = delete $ns->{query_queue}
1927	or return; # be conservative, not sure how that can happen, but we saw a crash here	2625	or return; # be conservative, not sure how that can happen, but we saw a crash here
1928		2626
1929	(shift @$queue)->[1]->($msg);	2627	(shift @$queue)->[1]->($msg);
		2628	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1930		2629
1931	push @{ $ns->{query_queue} }, @$queue;	2630	push @{ $ns->{query_queue} }, @$queue;
1932		2631
1933	if (@{ $ns->{query_queue} } == @$queue) {	2632	if (@{ $ns->{query_queue} } == @$queue) {
1934	if (@$queue) {	2633	if (@$queue) {
…		…
1936	} else {	2635	} else {
1937	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2636	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1938	}	2637	}
1939	}	2638	}
1940	},	2639	},
		2640	on_exticmd => sub {
		2641	my ($ns, $buf) = @_;
		2642
		2643	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2644
		2645	if (ref $msg) {
		2646	my ($type, $reply, @payload) =
		2647	"ARRAY" eq ref $msg
		2648	? @$msg
		2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2650
		2651	if (my $cb = $EXTICMD{$type}) {
		2652	my @reply = $cb->($ns, @payload);
		2653
		2654	$ns->ext_reply ($reply, @reply)
		2655	if $reply;
		2656	}
		2657	} else {
		2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2659	}
		2660
		2661	cf::override;
		2662	},
1941	);	2663	);
1942		2664
1943	=item $client->async (\&cb)	2665	=item $client->async (\&cb)
1944		2666
1945	Create a new coroutine, running the specified callback. The coroutine will	2667	Create a new coroutine, running the specified callback. The coroutine will
…		…
1986	our $safe = new Safe "safe";	2708	our $safe = new Safe "safe";
1987	our $safe_hole = new Safe::Hole;	2709	our $safe_hole = new Safe::Hole;
1988		2710
1989	$SIG{FPE} = 'IGNORE';	2711	$SIG{FPE} = 'IGNORE';
1990		2712
1991	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2713	$safe->permit_only (Opcode::opset qw(
		2714	:base_core :base_mem :base_orig :base_math
		2715	grepstart grepwhile mapstart mapwhile
		2716	sort time
		2717	));
1992		2718
1993	# here we export the classes and methods available to script code	2719	# here we export the classes and methods available to script code
1994		2720
1995	=pod	2721	=pod
1996		2722
1997	The following fucntions and emthods are available within a safe environment:	2723	The following functions and methods are available within a safe environment:
1998		2724
1999	cf::object contr pay_amount pay_player map	2725	cf::object
		2726	contr pay_amount pay_player map x y force_find force_add
		2727	insert remove name archname title slaying race
		2728
2000	cf::object::player player	2729	cf::object::player
2001	cf::player peaceful	2730	player
2002	cf::map trigger	2731
		2732	cf::player
		2733	peaceful
		2734
		2735	cf::map
		2736	trigger
2003		2737
2004	=cut	2738	=cut
2005		2739
2006	for (	2740	for (
2007	["cf::object" => qw(contr pay_amount pay_player map)],	2741	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2742	insert remove inv name archname title slaying race)],
2008	["cf::object::player" => qw(player)],	2743	["cf::object::player" => qw(player)],
2009	["cf::player" => qw(peaceful)],	2744	["cf::player" => qw(peaceful)],
2010	["cf::map" => qw(trigger)],	2745	["cf::map" => qw(trigger)],
2011	) {	2746	) {
2012	no strict 'refs';	2747	no strict 'refs';
…		…
2083	=back	2818	=back
2084		2819
2085	=cut	2820	=cut
2086		2821
2087	#############################################################################	2822	#############################################################################
		2823	# the server's init and main functions
2088		2824
2089	=head2 EXTENSION DATABASE SUPPORT	2825	sub load_facedata($) {
		2826	my ($path) = @_;
2090		2827
2091	Crossfire maintains a very simple database for extension use. It can	2828	my $enc = JSON::XS->new->utf8->canonical;
2092	currently store anything that can be serialised using Storable, which
2093	excludes objects.
2094		2829
2095	The parameter C<$family> should best start with the name of the extension	2830	warn "loading facedata from $path\n";
2096	using it, it should be unique.
2097		2831
2098	=over 4	2832	my $facedata;
		2833	0 < aio_load $path, $facedata
		2834	or die "$path: $!";
2099		2835
2100	=item $hashref = cf::db_get $family	2836	$facedata = Coro::Storable::thaw $facedata;
2101		2837
2102	Return a hashref for use by the extension C<$family>, which can be	2838	$facedata->{version} == 2
2103	modified. After modifications, you have to call C<cf::db_dirty> or	2839	or cf::cleanup "$path: version mismatch, cannot proceed.";
2104	C<cf::db_sync>.
2105		2840
2106	=item $value = cf::db_get $family => $key	2841	# patch in the exptable
2107		2842	$facedata->{resource}{"res/exp_table"} = {
2108	Returns a single value from the database	2843	type => FT_RSRC,
2109		2844	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2110	=item cf::db_put $family => $hashref
2111
2112	Stores the given family hashref into the database. Updates are delayed, if
2113	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2114
2115	=item cf::db_put $family => $key => $value
2116
2117	Stores the given C<$value> in the family hash. Updates are delayed, if you
2118	want the data to be synced to disk immediately, use C<cf::db_sync>.
2119
2120	=item cf::db_dirty
2121
2122	Marks the database as dirty, to be updated at a later time.
2123
2124	=item cf::db_sync
2125
2126	Immediately write the database to disk I<if it is dirty>.
2127
2128	=cut
2129
2130	our $DB;
2131
2132	{
2133	my $path = cf::localdir . "/database.pst";
2134
2135	sub db_load() {
2136	$DB = stat $path ? Storable::retrieve $path : { };
2137	}
2138
2139	my $pid;
2140
2141	sub db_save() {
2142	waitpid $pid, 0 if $pid;
2143	if (0 == ($pid = fork)) {
2144	$DB->{_meta}{version} = 1;
2145	Storable::nstore $DB, "$path~";
2146	rename "$path~", $path;
2147	cf::_exit 0 if defined $pid;
2148	}
2149	}
2150
2151	my $dirty;
2152
2153	sub db_sync() {
2154	db_save if $dirty;
2155	undef $dirty;
2156	}
2157
2158	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2159	db_sync;
2160	});	2845	};
		2846	cf::cede_to_tick;
2161		2847
2162	sub db_dirty() {
2163	$dirty = 1;
2164	$idle->start;
2165	}	2848	{
		2849	my $faces = $facedata->{faceinfo};
2166		2850
2167	sub db_get($;$) {	2851	while (my ($face, $info) = each %$faces) {
2168	@_ >= 2	2852	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2169	? $DB->{$_[0]}{$_[1]}	2853	cf::face::set_visibility $idx, $info->{visibility};
2170	: ($DB->{$_[0]} ||= { })	2854	cf::face::set_magicmap $idx, $info->{magicmap};
2171	}	2855	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2856	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2172		2857
2173	sub db_put($$;$) {	2858	cf::cede_to_tick;
2174	if (@_ >= 3) {
2175	$DB->{$_[0]}{$_[1]} = $_[2];
2176	} else {
2177	$DB->{$_[0]} = $_[1];
2178	}
2179	db_dirty;
2180	}
2181
2182	cf::global->attach (
2183	prio => 10000,
2184	on_cleanup => sub {
2185	db_sync;
2186	},	2859	}
2187	);
2188	}
2189		2860
2190	#############################################################################	2861	while (my ($face, $info) = each %$faces) {
2191	# the server's main()	2862	next unless $info->{smooth};
		2863	my $idx = cf::face::find $face
		2864	or next;
		2865	if (my $smooth = cf::face::find $info->{smooth}) {
		2866	cf::face::set_smooth $idx, $smooth;
		2867	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2868	} else {
		2869	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2870	}
		2871
		2872	cf::cede_to_tick;
		2873	}
		2874	}
		2875
		2876	{
		2877	my $anims = $facedata->{animinfo};
		2878
		2879	while (my ($anim, $info) = each %$anims) {
		2880	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2881	cf::cede_to_tick;
		2882	}
		2883
		2884	cf::anim::invalidate_all; # d'oh
		2885	}
		2886
		2887	{
		2888	# TODO: for gcfclient pleasure, we should give resources
		2889	# that gcfclient doesn't grok a >10000 face index.
		2890	my $res = $facedata->{resource};
		2891
		2892	my $soundconf = delete $res->{"res/sound.conf"};
		2893
		2894	while (my ($name, $info) = each %$res) {
		2895	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2896	my $data;
		2897
		2898	if ($info->{type} & 1) {
		2899	# prepend meta info
		2900
		2901	my $meta = $enc->encode ({
		2902	name => $name,
		2903	%{ $info->{meta} || {} },
		2904	});
		2905
		2906	$data = pack "(w/a*)*", $meta, $info->{data};
		2907	} else {
		2908	$data = $info->{data};
		2909	}
		2910
		2911	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2912	cf::face::set_type $idx, $info->{type};
		2913
		2914	cf::cede_to_tick;
		2915	}
		2916
		2917	if ($soundconf) {
		2918	$soundconf = $enc->decode (delete $soundconf->{data});
		2919
		2920	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2921	my $sound = $soundconf->{compat}[$_]
		2922	or next;
		2923
		2924	my $face = cf::face::find "sound/$sound->[1]";
		2925	cf::sound::set $sound->[0] => $face;
		2926	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2927	}
		2928
		2929	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2930	my $face = cf::face::find "sound/$v";
		2931	cf::sound::set $k => $face;
		2932	}
		2933	}
		2934	}
		2935
		2936	1
		2937	}
		2938
		2939	register_exticmd fx_want => sub {
		2940	my ($ns, $want) = @_;
		2941
		2942	while (my ($k, $v) = each %$want) {
		2943	$ns->fx_want ($k, $v);
		2944	}
		2945	};
		2946
		2947	sub reload_regions {
		2948	load_resource_file "$MAPDIR/regions"
		2949	or die "unable to load regions file\n";
		2950
		2951	for (cf::region::list) {
		2952	$_->{match} = qr/$_->{match}/
		2953	if exists $_->{match};
		2954	}
		2955	}
		2956
		2957	sub reload_facedata {
		2958	load_facedata "$DATADIR/facedata"
		2959	or die "unable to load facedata\n";
		2960	}
		2961
		2962	sub reload_archetypes {
		2963	load_resource_file "$DATADIR/archetypes"
		2964	or die "unable to load archetypes\n";
		2965	#d# NEED to laod twice to resolve forward references
		2966	# this really needs to be done in an extra post-pass
		2967	# (which needs to be synchronous, so solve it differently)
		2968	load_resource_file "$DATADIR/archetypes"
		2969	or die "unable to load archetypes\n";
		2970	}
		2971
		2972	sub reload_treasures {
		2973	load_resource_file "$DATADIR/treasures"
		2974	or die "unable to load treasurelists\n";
		2975	}
		2976
		2977	sub reload_resources {
		2978	warn "reloading resource files...\n";
		2979
		2980	reload_regions;
		2981	reload_facedata;
		2982	#reload_archetypes;#d#
		2983	reload_archetypes;
		2984	reload_treasures;
		2985
		2986	warn "finished reloading resource files\n";
		2987	}
		2988
		2989	sub init {
		2990	reload_resources;
		2991	}
2192		2992
2193	sub cfg_load {	2993	sub cfg_load {
2194	open my $fh, "<:utf8", cf::confdir . "/config"	2994	open my $fh, "<:utf8", "$CONFDIR/config"
2195	or return;	2995	or return;
2196		2996
2197	local $/;	2997	local $/;
2198	*CFG = YAML::Syck::Load <$fh>;	2998	*CFG = YAML::Syck::Load <$fh>;
2199		2999
…		…
2213		3013
2214	sub main {	3014	sub main {
2215	# we must not ever block the main coroutine	3015	# we must not ever block the main coroutine
2216	local $Coro::idle = sub {	3016	local $Coro::idle = sub {
2217	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3017	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3018	(async {
2218	async { Event::one_event };	3019	Event::one_event;
		3020	})->prio (Coro::PRIO_MAX);
2219	};	3021	};
2220		3022
2221	cfg_load;	3023	cfg_load;
2222	db_load;	3024	db_init;
2223	load_extensions;	3025	load_extensions;
		3026
		3027	$TICK_WATCHER->start;
2224	Event::loop;	3028	Event::loop;
2225	}	3029	}
2226		3030
2227	#############################################################################	3031	#############################################################################
2228	# initialisation and cleanup	3032	# initialisation and cleanup
2229		3033
2230	# install some emergency cleanup handlers	3034	# install some emergency cleanup handlers
2231	BEGIN {	3035	BEGIN {
2232	for my $signal (qw(INT HUP TERM)) {	3036	for my $signal (qw(INT HUP TERM)) {
2233	Event->signal (	3037	Event->signal (
		3038	reentrant => 0,
2234	data => WF_AUTOCANCEL,	3039	data => WF_AUTOCANCEL,
2235	signal => $signal,	3040	signal => $signal,
		3041	prio => 0,
2236	cb => sub {	3042	cb => sub {
2237	cf::cleanup "SIG$signal";	3043	cf::cleanup "SIG$signal";
2238	},	3044	},
2239	);	3045	);
2240	}	3046	}
		3047	}
		3048
		3049	sub write_runtime {
		3050	my $runtime = "$LOCALDIR/runtime";
		3051
		3052	# first touch the runtime file to show we are still running:
		3053	# the fsync below can take a very very long time.
		3054
		3055	IO::AIO::aio_utime $runtime, undef, undef;
		3056
		3057	my $guard = cf::lock_acquire "write_runtime";
		3058
		3059	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3060	or return;
		3061
		3062	my $value = $cf::RUNTIME + 90 + 10;
		3063	# 10 is the runtime save interval, for a monotonic clock
		3064	# 60 allows for the watchdog to kill the server.
		3065
		3066	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3067	and return;
		3068
		3069	# always fsync - this file is important
		3070	aio_fsync $fh
		3071	and return;
		3072
		3073	# touch it again to show we are up-to-date
		3074	aio_utime $fh, undef, undef;
		3075
		3076	close $fh
		3077	or return;
		3078
		3079	aio_rename "$runtime~", $runtime
		3080	and return;
		3081
		3082	warn "runtime file written.\n";
		3083
		3084	1
2241	}	3085	}
2242		3086
2243	sub emergency_save() {	3087	sub emergency_save() {
2244	my $freeze_guard = cf::freeze_mainloop;	3088	my $freeze_guard = cf::freeze_mainloop;
2245		3089
…		…
2262	my $map = $cf::MAP{$path} or next;	3106	my $map = $cf::MAP{$path} or next;
2263	$map->valid or next;	3107	$map->valid or next;
2264	$map->save;	3108	$map->save;
2265	}	3109	}
2266	warn "end emergency map save\n";	3110	warn "end emergency map save\n";
		3111
		3112	warn "begin emergency database checkpoint\n";
		3113	BDB::db_env_txn_checkpoint $DB_ENV;
		3114	warn "end emergency database checkpoint\n";
2267	};	3115	};
2268		3116
2269	warn "leave emergency perl save\n";	3117	warn "leave emergency perl save\n";
2270	}	3118	}
2271		3119
		3120	sub post_cleanup {
		3121	my ($make_core) = @_;
		3122
		3123	warn Carp::longmess "post_cleanup backtrace"
		3124	if $make_core;
		3125	}
		3126
2272	sub reload() {	3127	sub do_reload_perl() {
2273	# can/must only be called in main	3128	# can/must only be called in main
2274	if ($Coro::current != $Coro::main) {	3129	if ($Coro::current != $Coro::main) {
2275	warn "can only reload from main coroutine\n";	3130	warn "can only reload from main coroutine";
2276	return;	3131	return;
2277	}	3132	}
2278		3133
2279	warn "reloading...";	3134	warn "reloading...";
2280		3135
2281	warn "freezing server";	3136	warn "entering sync_job";
2282	my $guard = freeze_mainloop;	3137
		3138	cf::sync_job {
		3139	cf::write_runtime; # external watchdog should not bark
2283	cf::emergency_save;	3140	cf::emergency_save;
		3141	cf::write_runtime; # external watchdog should not bark
2284		3142
2285	warn "sync database to disk";	3143	warn "syncing database to disk";
2286	cf::db_sync;	3144	BDB::db_env_txn_checkpoint $DB_ENV;
2287	IO::AIO::flush;
2288		3145
2289	eval {
2290	# if anything goes wrong in here, we should simply crash as we already saved	3146	# if anything goes wrong in here, we should simply crash as we already saved
2291		3147
2292	warn "cancel all watchers";	3148	warn "cancelling all WF_AUTOCANCEL watchers";
2293	for (Event::all_watchers) {	3149	for (Event::all_watchers) {
2294	$_->cancel if $_->data & WF_AUTOCANCEL;	3150	$_->cancel if $_->data & WF_AUTOCANCEL;
2295	}	3151	}
2296		3152
		3153	warn "flushing outstanding aio requests";
		3154	for (;;) {
		3155	BDB::flush;
		3156	IO::AIO::flush;
		3157	Coro::cede;
		3158	last unless IO::AIO::nreqs || BDB::nreqs;
		3159	warn "iterate...";
		3160	}
		3161
		3162	++$RELOAD;
		3163
2297	warn "cancel all extension coros";	3164	warn "cancelling all extension coros";
2298	$_->cancel for values %EXT_CORO;	3165	$_->cancel for values %EXT_CORO;
2299	%EXT_CORO = ();	3166	%EXT_CORO = ();
2300		3167
2301	warn "remove commands";	3168	warn "removing commands";
2302	%COMMAND = ();	3169	%COMMAND = ();
2303		3170
2304	warn "remove ext commands";	3171	warn "removing ext/exti commands";
2305	%EXTCMD = ();	3172	%EXTCMD = ();
		3173	%EXTICMD = ();
2306		3174
2307	warn "unload/nuke all extensions";	3175	warn "unloading/nuking all extensions";
2308	for my $pkg (@EXTS) {	3176	for my $pkg (@EXTS) {
2309	warn "... unloading $pkg";	3177	warn "... unloading $pkg";
2310		3178
2311	if (my $cb = $pkg->can ("unload")) {	3179	if (my $cb = $pkg->can ("unload")) {
2312	eval {	3180	eval {
…		…
2317		3185
2318	warn "... nuking $pkg";	3186	warn "... nuking $pkg";
2319	Symbol::delete_package $pkg;	3187	Symbol::delete_package $pkg;
2320	}	3188	}
2321		3189
2322	warn "unload all perl modules loaded from $LIBDIR";	3190	warn "unloading all perl modules loaded from $LIBDIR";
2323	while (my ($k, $v) = each %INC) {	3191	while (my ($k, $v) = each %INC) {
2324	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3192	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2325		3193
2326	warn "removing <$k>";	3194	warn "... unloading $k";
2327	delete $INC{$k};	3195	delete $INC{$k};
2328		3196
2329	$k =~ s/\.pm$//;	3197	$k =~ s/\.pm$//;
2330	$k =~ s/\//::/g;	3198	$k =~ s/\//::/g;
2331		3199
…		…
2334	}	3202	}
2335		3203
2336	Symbol::delete_package $k;	3204	Symbol::delete_package $k;
2337	}	3205	}
2338		3206
2339	warn "get rid of safe::, as good as possible";	3207	warn "getting rid of safe::, as good as possible";
2340	Symbol::delete_package "safe::$_"	3208	Symbol::delete_package "safe::$_"
2341	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3209	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2342		3210
2343	warn "unload cf.pm \"a bit\"";	3211	warn "unloading cf.pm \"a bit\"";
2344	delete $INC{"cf.pm"};	3212	delete $INC{"cf.pm"};
		3213	delete $INC{"cf/pod.pm"};
2345		3214
2346	# don't, removes xs symbols, too,	3215	# don't, removes xs symbols, too,
2347	# and global variables created in xs	3216	# and global variables created in xs
2348	#Symbol::delete_package __PACKAGE__;	3217	#Symbol::delete_package __PACKAGE__;
2349		3218
		3219	warn "unload completed, starting to reload now";
		3220
2350	warn "reloading cf.pm";	3221	warn "reloading cf.pm";
2351	require cf;	3222	require cf;
2352	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3223	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2353		3224
2354	warn "load config and database again";	3225	warn "loading config and database again";
2355	cf::cfg_load;	3226	cf::cfg_load;
2356	cf::db_load;
2357		3227
2358	warn "load extensions";	3228	warn "loading extensions";
2359	cf::load_extensions;	3229	cf::load_extensions;
2360		3230
2361	warn "reattach attachments to objects/players";	3231	warn "reattaching attachments to objects/players";
2362	_global_reattach;	3232	_global_reattach; # objects, sockets
2363	warn "reattach attachments to maps";	3233	warn "reattaching attachments to maps";
2364	reattach $_ for values %MAP;	3234	reattach $_ for values %MAP;
2365	};	3235	warn "reattaching attachments to players";
		3236	reattach $_ for values %PLAYER;
2366		3237
2367	if ($@) {	3238	warn "leaving sync_job";
		3239
		3240	1
		3241	} or do {
2368	warn $@;	3242	warn $@;
2369	warn "error while reloading, exiting.";	3243	warn "error while reloading, exiting.";
2370	exit 1;	3244	exit 1;
2371	}	3245	};
2372		3246
2373	warn "reloaded";	3247	warn "reloaded";
2374	};	3248	};
2375		3249
		3250	our $RELOAD_WATCHER; # used only during reload
		3251
		3252	sub reload_perl() {
		3253	# doing reload synchronously and two reloads happen back-to-back,
		3254	# coro crashes during coro_state_free->destroy here.
		3255
		3256	$RELOAD_WATCHER ||= Event->timer (
		3257	reentrant => 0,
		3258	after => 0,
		3259	data => WF_AUTOCANCEL,
		3260	cb => sub {
		3261	do_reload_perl;
		3262	undef $RELOAD_WATCHER;
		3263	},
		3264	);
		3265	}
		3266
2376	register_command "reload" => sub {	3267	register_command "reload" => sub {
2377	my ($who, $arg) = @_;	3268	my ($who, $arg) = @_;
2378		3269
2379	if ($who->flag (FLAG_WIZ)) {	3270	if ($who->flag (FLAG_WIZ)) {
2380	$who->message ("start of reload.");
2381	reload;
2382	$who->message ("end of reload.");	3271	$who->message ("reloading server.");
		3272	async { reload_perl };
2383	}	3273	}
2384	};	3274	};
2385		3275
2386	unshift @INC, $LIBDIR;	3276	unshift @INC, $LIBDIR;
2387		3277
		3278	my $bug_warning = 0;
		3279
		3280	our @WAIT_FOR_TICK;
		3281	our @WAIT_FOR_TICK_BEGIN;
		3282
		3283	sub wait_for_tick {
		3284	return unless $TICK_WATCHER->is_active;
		3285	return if $Coro::current == $Coro::main;
		3286
		3287	my $signal = new Coro::Signal;
		3288	push @WAIT_FOR_TICK, $signal;
		3289	$signal->wait;
		3290	}
		3291
		3292	sub wait_for_tick_begin {
		3293	return unless $TICK_WATCHER->is_active;
		3294	return if $Coro::current == $Coro::main;
		3295
		3296	my $signal = new Coro::Signal;
		3297	push @WAIT_FOR_TICK_BEGIN, $signal;
		3298	$signal->wait;
		3299	}
		3300
		3301	my $min = 1e6;#d#
		3302	my $avg = 10;
2388	$TICK_WATCHER = Event->timer (	3303	$TICK_WATCHER = Event->timer (
2389	reentrant => 0,	3304	reentrant => 0,
		3305	parked => 1,
2390	prio => 0,	3306	prio => 0,
2391	at => $NEXT_TICK || $TICK,	3307	at => $NEXT_TICK || $TICK,
2392	data => WF_AUTOCANCEL,	3308	data => WF_AUTOCANCEL,
2393	cb => sub {	3309	cb => sub {
		3310	if ($Coro::current != $Coro::main) {
		3311	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3312	unless ++$bug_warning > 10;
		3313	return;
		3314	}
		3315
2394	$NOW = Event::time;	3316	$NOW = $tick_start = Event::time;
2395		3317
2396	cf::server_tick; # one server iteration	3318	cf::server_tick; # one server iteration
		3319
		3320	0 && sync_job {#d#
		3321	for(1..10) {
		3322	my $t = Event::time;
		3323	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3324	or die;
		3325
		3326	$map->width (50);
		3327	$map->height (50);
		3328	$map->alloc;
		3329	$map->_load_objects ("/tmp/x.map", 1);
		3330	my $t = Event::time - $t;
		3331
		3332	#next unless $t < 0.0013;#d#
		3333	if ($t < $min) {
		3334	$min = $t;
		3335	}
		3336	$avg = $avg * 0.99 + $t * 0.01;
		3337	}
		3338	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3339	exit 0;
		3340	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3341	};
		3342
2397	$RUNTIME += $TICK;	3343	$RUNTIME += $TICK;
2398	$NEXT_TICK += $TICK;	3344	$NEXT_TICK += $TICK;
2399		3345
2400	$WAIT_FOR_TICK->broadcast;	3346	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2401	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3347	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3348	Coro::async_pool {
		3349	write_runtime
		3350	or warn "ERROR: unable to write runtime file: $!";
		3351	};
		3352	}
		3353
		3354	# my $AFTER = Event::time;
		3355	# warn $AFTER - $NOW;#d#
		3356
		3357	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3358	$sig->send;
		3359	}
		3360	while (my $sig = shift @WAIT_FOR_TICK) {
		3361	$sig->send;
		3362	}
		3363
		3364	$NOW = Event::time;
2402		3365
2403	# if we are delayed by four ticks or more, skip them all	3366	# if we are delayed by four ticks or more, skip them all
2404	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3367	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2405		3368
2406	$TICK_WATCHER->at ($NEXT_TICK);	3369	$TICK_WATCHER->at ($NEXT_TICK);
2407	$TICK_WATCHER->start;	3370	$TICK_WATCHER->start;
		3371
		3372	$LOAD = ($NOW - $tick_start) / $TICK;
		3373	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3374
		3375	_post_tick;
		3376
		3377
2408	},	3378	},
2409	);	3379	);
2410		3380
		3381	{
		3382	BDB::max_poll_time $TICK * 0.1;
		3383	$BDB_POLL_WATCHER = Event->io (
		3384	reentrant => 0,
		3385	fd => BDB::poll_fileno,
		3386	poll => 'r',
		3387	prio => 0,
		3388	data => WF_AUTOCANCEL,
		3389	cb => \&BDB::poll_cb,
		3390	);
		3391	BDB::min_parallel 8;
		3392
		3393	BDB::set_sync_prepare {
		3394	my $status;
		3395	my $current = $Coro::current;
		3396	(
		3397	sub {
		3398	$status = $!;
		3399	$current->ready; undef $current;
		3400	},
		3401	sub {
		3402	Coro::schedule while defined $current;
		3403	$! = $status;
		3404	},
		3405	)
		3406	};
		3407
		3408	unless ($DB_ENV) {
		3409	$DB_ENV = BDB::db_env_create;
		3410
		3411	cf::sync_job {
		3412	eval {
		3413	BDB::db_env_open
		3414	$DB_ENV,
		3415	$BDBDIR,
		3416	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3417	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3418	0666;
		3419
		3420	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3421
		3422	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3423	$DB_ENV->set_lk_detect;
		3424	};
		3425
		3426	cf::cleanup "db_env_open(db): $@" if $@;
		3427	};
		3428	}
		3429	}
		3430
		3431	{
		3432	IO::AIO::min_parallel 8;
		3433
		3434	undef $Coro::AIO::WATCHER;
2411	IO::AIO::max_poll_time $TICK * 0.2;	3435	IO::AIO::max_poll_time $TICK * 0.1;
2412
2413	$AIO_POLL_WATCHER = Event->io (	3436	$AIO_POLL_WATCHER = Event->io (
2414	fd => IO::AIO::poll_fileno,	3437	reentrant => 0,
2415	poll => 'r',
2416	prio => 5,
2417	data => WF_AUTOCANCEL,
2418	cb => \&IO::AIO::poll_cb,
2419	);
2420
2421	$WRITE_RUNTIME_WATCHER = Event->timer (
2422	data => WF_AUTOCANCEL,	3438	data => WF_AUTOCANCEL,
2423	after => 0,	3439	fd => IO::AIO::poll_fileno,
2424	interval => 10,	3440	poll => 'r',
2425	cb => sub {	3441	prio => 6,
2426	(Coro::unblock_sub {	3442	cb => \&IO::AIO::poll_cb,
2427	write_runtime	3443	);
2428	or warn "ERROR: unable to write runtime file: $!";	3444	}
		3445
		3446	my $_log_backtrace;
		3447
		3448	sub _log_backtrace {
		3449	my ($msg, @addr) = @_;
		3450
		3451	$msg =~ s/\n//;
		3452
		3453	# limit the # of concurrent backtraces
		3454	if ($_log_backtrace < 2) {
		3455	++$_log_backtrace;
		3456	async {
		3457	my @bt = fork_call {
		3458	@addr = map { sprintf "%x", $_ } @addr;
		3459	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3460	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3461	or die "addr2line: $!";
		3462
		3463	my @funcs;
		3464	my @res = <$fh>;
		3465	chomp for @res;
		3466	while (@res) {
		3467	my ($func, $line) = splice @res, 0, 2, ();
		3468	push @funcs, "[$func] $line";
		3469	}
		3470
		3471	@funcs
		3472	};
		3473
		3474	LOG llevInfo, "[ABT] $msg\n";
		3475	LOG llevInfo, "[ABT] $_\n" for @bt;
		3476	--$_log_backtrace;
2429	})->();	3477	};
		3478	} else {
		3479	LOG llevInfo, "[ABT] $msg\n";
		3480	LOG llevInfo, "[ABT] [suppressed]\n";
2430	},	3481	}
2431	);	3482	}
		3483
		3484	# load additional modules
		3485	use cf::pod;
2432		3486
2433	END { cf::emergency_save }	3487	END { cf::emergency_save }
2434		3488
2435	1	3489	1
2436		3490

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