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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.199 by root, Mon Jan 29 14:46:01 2007 UTC vs.
Revision 1.332 by root, Sat Aug 18 17:33:53 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS 1.4 ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
53		86
54	our %CFG;	87	our %CFG;
55		88
56	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	90	our $RUNTIME;
58		91
59	our %PLAYER; # all users	92	our %PLAYER; # all users
60	our %MAP; # all maps	93	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		95
67	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
70	binmode STDOUT;	103	binmode STDOUT;
71	binmode STDERR;	104	binmode STDERR;
72		105
73	# read virtual server time, if available	106	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
78	}	111	}
79		112
80	mkdir cf::localdir;	113	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		115
86	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
87		117
88	sub cf::map::normalise;	118	sub cf::map::normalise;
89		119
…		…
100	=item $cf::RUNTIME	130	=item $cf::RUNTIME
101		131
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	133	every server tick.
104		134
105	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		138
107	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
109		143
110	=item $cf::NOW	144	=item $cf::NOW
111		145
112	The time of the last (current) server tick.	146	The time of the last (current) server tick.
113		147
114	=item $cf::TICK	148	=item $cf::TICK
115		149
116	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
117		161
118	=item %cf::CFG	162	=item %cf::CFG
119		163
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
121	from wherever your confdir points to.	165	from wherever your confdir points to.
122		166
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		168
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
127	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
129		178
130	=back	179	=back
131		180
132	=cut	181	=cut
133		182
134	BEGIN {	183	BEGIN {
135	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	185	my $msg = join "", @_;
137	utf8::encode $msg;
138		186
139	$msg .= "\n"	187	$msg .= "\n"
140	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
141		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
142	LOG llevError, $msg;	193	LOG llevError, $msg;
143	};	194	};
144	}	195	}
145		196
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		204
153	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	206	# within the Safe compartment.
155	for my $pkg (qw(	207	for my $pkg (qw(
156	cf::global cf::attachable	208	cf::global cf::attachable
…		…
164	}	216	}
165		217
166	$Event::DIED = sub {	218	$Event::DIED = sub {
167	warn "error in event callback: @_";	219	warn "error in event callback: @_";
168	};	220	};
		221
		222	#############################################################################
169		223
170	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
171		225
172	=over 4	226	=over 4
173		227
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	247	$d
194	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
195	}	249	}
196		250
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
200		252
201	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
202		254
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
211		256
212	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
213		258
214	=cut	259	=cut
215		260
216	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
218	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
219	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
220		265
221	=item cf::lock_wait $string	266	=item cf::lock_wait $string
222		267
223	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
224		269
…		…
230	returned.	275	returned.
231		276
232	Lock names should begin with a unique identifier (for example, cf::map::find	277	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
234		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
235	=cut	284	=cut
236		285
237	our %LOCK;	286	our %LOCK;
238		287
239	sub lock_wait($) {	288	sub lock_wait($) {
…		…
258	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
260	}	309	}
261	}	310	}
262		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
263	sub freeze_mainloop {	318	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
265		320
266	my $guard = Coro::guard {	321	my $guard = Coro::guard {
267	$TICK_WATCHER->start;	322	$TICK_WATCHER->start;
268	$WRITE_RUNTIME_WATCHER->start;
269	};	323	};
270	$WRITE_RUNTIME_WATCHER->stop;
271	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
272	$guard	325	$guard
		326	}
		327
		328	=item cf::get_slot $time[, $priority[, $name]]
		329
		330	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		331	This call blocks and returns only when you have at least C<$time> seconds
		332	of cpu time till the next tick. The slot is only valid till the next cede.
		333
		334	The optional C<$name> can be used to identify the job to run. It might be
		335	used for statistical purposes and should identify the same time-class.
		336
		337	Useful for short background jobs.
		338
		339	=cut
		340
		341	our @SLOT_QUEUE;
		342	our $SLOT_QUEUE;
		343
		344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		345	$SLOT_QUEUE = Coro::async {
		346	my $signal = new Coro::Signal;
		347
		348	while () {
		349	next_job:
		350	my $avail = cf::till_tick;
		351	if ($avail > 0.01) {
		352	for (0 .. $#SLOT_QUEUE) {
		353	if ($SLOT_QUEUE[$_][0] < $avail) {
		354	my $job = splice @SLOT_QUEUE, $_, 1, ();
		355	$job->[2]->send;
		356	Coro::cede;
		357	goto next_job;
		358	}
		359	}
		360	}
		361
		362	if (@SLOT_QUEUE) {
		363	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		364	push @cf::WAIT_FOR_TICK, $signal;
		365	$signal->wait;
		366	} else {
		367	Coro::schedule;
		368	}
		369	}
		370	};
		371
		372	sub get_slot($;$$) {
		373	my ($time, $pri, $name) = @_;
		374
		375	$time = $TICK * .6 if $time > $TICK * .6;
		376	my $sig = new Coro::Signal;
		377
		378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		380	$SLOT_QUEUE->ready;
		381	$sig->wait;
273	}	382	}
274		383
275	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
276		385
277	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		391
283	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
284		393
285	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
286		395
287	The design of crossfire+ requires that the main coro ($Coro::main) is	396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	397	is always able to handle events or runnable, as Crossfire TRT is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		399	acceptable.
290		400
291	If it must be done, put the blocking parts into C<sync_job>. This will run	401	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	402	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	403	server will be frozen during this time, so the block should either finish
294	fast or be very important.	404	fast or be very important.
…		…
297		407
298	sub sync_job(&) {	408	sub sync_job(&) {
299	my ($job) = @_;	409	my ($job) = @_;
300		410
301	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
302	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
304		416
305	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
317		429
318	while ($busy) {	430	while ($busy) {
319	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
320	}	432	}
321		433
		434	$time = Event::time - $time;
		435
		436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		438
		439	$tick_start += $time; # do not account sync jobs to server load
		440
322	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
323	} else {	442	} else {
324	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
325		444
326	$job->()	445	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
346		465
347	$coro	466	$coro
348	}	467	}
349		468
350	sub write_runtime {	469	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		470
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	471	Executes the given code block with the given arguments in a seperate
354	or return;	472	process, returning the results. Everything must be serialisable with
		473	Coro::Storable. May, of course, block. Note that the executed sub may
		474	never block itself or use any form of Event handling.
355		475
356	my $value = $cf::RUNTIME + 90 + 10;	476	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		477
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	478	sub fork_call(&@) {
361	and return;	479	my ($cb, @args) = @_;
362		480
363	aio_fsync $fh	481	# we seemingly have to make a local copy of the whole thing,
364	and return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
365		484
366	close $fh	485	my @res = Coro::Util::fork_eval {
367	or return;	486	reset_signals;
		487	&$cb
		488	}, @args;
368		489
369	aio_rename "$runtime~", $runtime	490	wantarray ? @res : $res[-1]
370	and return;	491	}
371		492
		493	=item $value = cf::db_get $family => $key
		494
		495	Returns a single value from the environment database.
		496
		497	=item cf::db_put $family => $key => $value
		498
		499	Stores the given C<$value> in the family. It can currently store binary
		500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		501
		502	=cut
		503
		504	our $DB;
		505
		506	sub db_init {
		507	unless ($DB) {
		508	$DB = BDB::db_create $DB_ENV;
		509
		510	cf::sync_job {
		511	eval {
		512	$DB->set_flags (BDB::CHKSUM);
		513
		514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		516	cf::cleanup "db_open(db): $!" if $!;
		517	};
		518	cf::cleanup "db_open(db): $@" if $@;
		519	};
372	1	520	}
		521	}
		522
		523	sub db_get($$) {
		524	my $key = "$_[0]/$_[1]";
		525
		526	cf::sync_job {
		527	BDB::db_get $DB, undef, $key, my $data;
		528
		529	$! ? ()
		530	: $data
		531	}
		532	}
		533
		534	sub db_put($$$) {
		535	BDB::dbreq_pri 4;
		536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		537	}
		538
		539	=item cf::cache $id => [$paths...], $processversion => $process
		540
		541	Generic caching function that returns the value of the resource $id,
		542	caching and regenerating as required.
		543
		544	This function can block.
		545
		546	=cut
		547
		548	sub cache {
		549	my ($id, $src, $processversion, $process) = @_;
		550
		551	my $meta =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	aio_stat $_
		556	and Carp::croak "$_: $!";
		557
		558	($_, (stat _)[7,9])
		559	} @$src;
		560
		561	my $dbmeta = db_get cache => "$id/meta";
		562	if ($dbmeta ne $meta) {
		563	# changed, we may need to process
		564
		565	my @data;
		566	my $md5;
		567
		568	for (0 .. $#$src) {
		569	0 <= aio_load $src->[$_], $data[$_]
		570	or Carp::croak "$src->[$_]: $!";
		571	}
		572
		573	# if processing is expensive, check
		574	# checksum first
		575	if (1) {
		576	$md5 =
		577	join "\x00",
		578	$processversion,
		579	map {
		580	Coro::cede;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
		607	}
		608
		609	=item cf::datalog type => key => value, ...
		610
		611	Log a datalog packet of the given type with the given key-value pairs.
		612
		613	=cut
		614
		615	sub datalog($@) {
		616	my ($type, %kv) = @_;
		617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	618	}
374		619
375	=back	620	=back
376		621
377	=cut	622	=cut
…		…
384	attach callbacks/event handlers (a collection of which is called an "attachment")	629	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
386		631
387	In the following description, CLASS can be any of C<global>, C<object>	632	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	633	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	634	Crossfire TRT).
390		635
391	=over 4	636	=over 4
392		637
393	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
394		639
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
558		803
559	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		808
564	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	810	my $pkg = shift @arg;
566		811
567	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
597	}	842	}
598		843
599	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
600	} else {	845	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	847	}
603		848
604	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
605	}	850	}
606		851
…		…
608	if (ref $_[0]) {	853	if (ref $_[0]) {
609	_object_attach @_;	854	_object_attach @_;
610	} else {	855	} else {
611	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
612	}	857	}
		858	_recalc_want;
613	};	859	};
614		860
615	# all those should be optimised	861	# all those should be optimised
616	sub cf::attachable::detach {	862	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
621	reattach ($obj);	867	reattach ($obj);
622	} else {	868	} else {
623	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
624	}	870	}
		871	_recalc_want;
625	};	872	};
626		873
627	sub cf::attachable::attached {	874	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
629		876
…		…
644	";	891	";
645	die if $@;	892	die if $@;
646	}	893	}
647		894
648	our $override;	895	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	896	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		897
651	sub override {	898	sub override {
652	$override = 1;	899	$override = 1;
653	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
654	}	901	}
655		902
656	sub do_invoke {	903	sub do_invoke {
657	my $event = shift;	904	my $event = shift;
658	my $callbacks = shift;	905	my $callbacks = shift;
659		906
660	@invoke_results = ();	907	@INVOKE_RESULTS = ();
661		908
662	local $override;	909	local $override;
663		910
664	for (@$callbacks) {	911	for (@$callbacks) {
665	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
682		929
683	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
684		931
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	932	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	933	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		935
689	=back	936	=back
690		937
691	=cut	938	=cut
692		939
693	#############################################################################	940	#############################################################################
694	# object support	941	# object support
		942	#
		943
		944	sub _can_merge {
		945	my ($ob1, $ob2) = @_;
		946
		947	local $Storable::canonical = 1;
		948	my $fob1 = Storable::freeze $ob1;
		949	my $fob2 = Storable::freeze $ob2;
		950
		951	$fob1 eq $fob2
		952	}
695		953
696	sub reattach {	954	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	956	my ($obj) = @_;
699		957
…		…
752	$filename, length $$rdata, scalar @$objs;	1010	$filename, length $$rdata, scalar @$objs;
753		1011
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1013	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1015	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1016	close $fh;
759		1017
760	if (@$objs) {	1018	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1020	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1021	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1022	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1023	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1024	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1025	aio_rename "$filename.pst~", "$filename.pst";
768	}	1026	}
769	} else {	1027	} else {
770	aio_unlink "$filename.pst";	1028	aio_unlink "$filename.pst";
…		…
802	or return;	1060	or return;
803	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
804	}	1062	}
805		1063
806	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
807	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
808	return ($data, $av);	1066	return ($data, $av);
809	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
810		1074
811	#############################################################################	1075	#############################################################################
812	# command handling &c	1076	# command handling &c
813		1077
814	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
827	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
828	}	1092	}
829		1093
830	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
831		1095
832	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.
833		1101
834	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
835	called.	1103	called.
836		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
837	=cut	1116	=cut
838		1117
839	sub register_extcmd {	1118	sub register_extcmd {
840	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
841		1120
842	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
843	}	1128	}
844		1129
845	cf::player->attach (	1130	cf::player->attach (
846	on_command => sub {	1131	on_command => sub {
847	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
856	cf::override;	1141	cf::override;
857	},	1142	},
858	on_extcmd => sub {	1143	on_extcmd => sub {
859	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
860		1145
861	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
862		1147
863	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
864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
865	if (my %reply = $cb->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
866	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
867	}	1158	if $reply;
868	}	1159	}
869	} else {	1160	} else {
870	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
871	}	1162	}
872		1163
873	cf::override;	1164	cf::override;
874	},	1165	},
875	);	1166	);
876		1167
877	sub load_extension {
878	my ($path) = @_;
879
880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
881	my $base = $1;
882	my $pkg = $1;
883	$pkg =~ s/[^[:word:]]/_/g;
884	$pkg = "ext::$pkg";
885
886	warn "... loading '$path' into '$pkg'\n";
887
888	open my $fh, "<:utf8", $path
889	or die "$path: $!";
890
891	my $source =
892	"package $pkg; use strict; use utf8;\n"
893	. "#line 1 \"$path\"\n{\n"
894	. (do { local $/; <$fh> })
895	. "\n};\n1";
896
897	unless (eval $source) {
898	my $msg = $@ ? "$path: $@\n"
899	: "extension disabled.\n";
900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
901	warn $@;
902	warn "mandatory extension failed to load, exiting.\n";
903	exit 1;
904	}
905	die $@;
906	}
907
908	push @EXTS, $pkg;
909	}
910
911	sub load_extensions {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
912	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
913	next unless -r $ext;	1173	next unless -r $path;
914	eval {	1174
915	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;
916	1	1232	}
917	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
918	}	1238	};
919	}	1239	}
920		1240
921	#############################################################################	1241	#############################################################################
922		1242
		1243	=back
		1244
923	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
924		1246
925	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
926		1248
927	=cut	1249	=cut
…		…
939	Returns the given player object, loading it if necessary (might block).	1261	Returns the given player object, loading it if necessary (might block).
940		1262
941	=cut	1263	=cut
942		1264
943	sub playerdir($) {	1265	sub playerdir($) {
944	cf::localdir	1266	"$PLAYERDIR/"
945	. "/"
946	. cf::playerdir
947	. "/"
948	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1267	. (ref $_[0] ? $_[0]->ob->name : $_[0])
949	}	1268	}
950		1269
951	sub path($) {	1270	sub path($) {
952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1271	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
953		1272
954	(playerdir $login) . "/$login.pl"	1273	(playerdir $login) . "/playerdata"
955	}	1274	}
956		1275
957	sub find_active($) {	1276	sub find_active($) {
958	$cf::PLAYER{$_[0]}	1277	$cf::PLAYER{$_[0]}
959	and $cf::PLAYER{$_[0]}->active	1278	and $cf::PLAYER{$_[0]}->active
…		…
972	my $login = $_[0];	1291	my $login = $_[0];
973		1292
974	my $guard = cf::lock_acquire "user_find:$login";	1293	my $guard = cf::lock_acquire "user_find:$login";
975		1294
976	$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
977	my $pl = load_pl path $login	1303	my $pl = load_pl path $login
978	or return;	1304	or return;
979	$cf::PLAYER{$login} = $pl	1305	$cf::PLAYER{$login} = $pl
980	}	1306	}
981	}	1307	}
…		…
1009	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
1010		1336
1011	$self	1337	$self
1012	}	1338	}
1013		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
1014	=item $pl->quit_character	1350	=item $pl->quit_character
1015		1351
1016	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
1017	be destroyed. May block for a long time.	1353	be destroyed. May block for a long time.
1018		1354
1019	=cut	1355	=cut
1020		1356
1021	sub quit_character {	1357	sub quit_character {
1022	my ($pl) = @_;	1358	my ($pl) = @_;
		1359
		1360	my $name = $pl->ob->name;
1023		1361
1024	$pl->{deny_save} = 1;	1362	$pl->{deny_save} = 1;
1025	$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
1026		1364
1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1032	my $path = playerdir $pl;	1370	my $path = playerdir $pl;
1033	my $temp = "$path~$cf::RUNTIME~deleting~";	1371	my $temp = "$path~$cf::RUNTIME~deleting~";
1034	aio_rename $path, $temp;	1372	aio_rename $path, $temp;
1035	delete $cf::PLAYER{$pl->ob->name};	1373	delete $cf::PLAYER{$pl->ob->name};
1036	$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
1037	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;
1038	}	1396	}
1039		1397
1040	=item cf::player::list_logins	1398	=item cf::player::list_logins
1041		1399
1042	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
1043	while and may block, so not sync_job-capable, ever.	1401	while and may block, so not sync_job-capable, ever.
1044		1402
1045	=cut	1403	=cut
1046		1404
1047	sub list_logins {	1405	sub list_logins {
1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1406	my $dirs = aio_readdir $PLAYERDIR
1049	or return [];	1407	or return [];
1050		1408
1051	my @logins;	1409	my @logins;
1052		1410
1053	for my $login (@$dirs) {	1411	for my $login (@$dirs) {
…		…
1070	=cut	1428	=cut
1071		1429
1072	sub maps($) {	1430	sub maps($) {
1073	my ($pl) = @_;	1431	my ($pl) = @_;
1074		1432
		1433	$pl = ref $pl ? $pl->ob->name : $pl;
		1434
1075	my $files = aio_readdir playerdir $pl	1435	my $files = aio_readdir playerdir $pl
1076	or return;	1436	or return;
1077		1437
1078	my @paths;	1438	my @paths;
1079		1439
1080	for (@$files) {	1440	for (@$files) {
1081	utf8::decode $_;	1441	utf8::decode $_;
1082	next if /\.(?:pl|pst)$/;	1442	next if /\.(?:pl|pst)$/;
1083	next unless /^$PATH_SEP/o;	1443	next unless /^$PATH_SEP/o;
1084		1444
1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1445	push @paths, cf::map::normalise "~$pl/$_";
1086	}	1446	}
1087		1447
1088	\@paths	1448	\@paths
1089	}	1449	}
1090		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
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1092		1502
1093	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1094		1504
1095	=cut	1505	=cut
1096		1506
1097	sub ext_reply($$$%) {	1507	sub ext_reply($$@) {
1098	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1099		1509
1100	$msg{msgid} = $id;	1510	if ($self->ns->extcmd == 2) {
1101		1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1102	$self->send ("ext " . cf::to_json \%msg);	1512	} elsif ($self->ns->extcmd == 1) {
		1513	#TODO: version 1, remove
		1514	unshift @msg, msgtype => "reply", msgid => $id;
		1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1516	}
1103	}	1517	}
1104		1518
1105	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		1526	my ($self, $type, @msg) = @_;
		1527
		1528	$self->ns->ext_msg ($type, @msg);
		1529	}
		1530
		1531	=head3 cf::region
		1532
		1533	=over 4
		1534
		1535	=cut
		1536
		1537	package cf::region;
		1538
		1539	=item cf::region::find_by_path $path
		1540
		1541	Tries to decuce the likely region for a map knowing only its path.
		1542
		1543	=cut
		1544
		1545	sub find_by_path($) {
		1546	my ($path) = @_;
		1547
		1548	my ($match, $specificity);
		1549
		1550	for my $region (list) {
		1551	if ($region->{match} && $path =~ $region->{match}) {
		1552	($match, $specificity) = ($region, $region->specificity)
		1553	if $region->specificity > $specificity;
		1554	}
		1555	}
		1556
		1557	$match
		1558	}
1106		1559
1107	=back	1560	=back
1108
1109		1561
1110	=head3 cf::map	1562	=head3 cf::map
1111		1563
1112	=over 4	1564	=over 4
1113		1565
…		…
1168	my ($self, $merge) = @_;	1620	my ($self, $merge) = @_;
1169		1621
1170	# we have to keep some variables in memory intact	1622	# we have to keep some variables in memory intact
1171	local $self->{path};	1623	local $self->{path};
1172	local $self->{load_path};	1624	local $self->{load_path};
1173	local $self->{deny_save};
1174	local $self->{deny_reset};
1175		1625
1176	$self->SUPER::thawer_merge ($merge);	1626	$self->SUPER::thawer_merge ($merge);
1177	}	1627	}
1178		1628
1179	sub normalise {	1629	sub normalise {
…		…
1226	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1227	return $self;	1677	return $self;
1228	}	1678	}
1229	}	1679	}
1230		1680
1231	Carp::carp "unable to resolve path '$path' (base '$base').";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1232	()	1682	()
1233	}	1683	}
1234		1684
1235	sub init {	1685	sub init {
1236	my ($self) = @_;	1686	my ($self) = @_;
…		…
1251		1701
1252	# the original (read-only) location	1702	# the original (read-only) location
1253	sub load_path {	1703	sub load_path {
1254	my ($self) = @_;	1704	my ($self) = @_;
1255		1705
1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1706	"$MAPDIR/$self->{path}.map"
1257	}	1707	}
1258		1708
1259	# the temporary/swap location	1709	# the temporary/swap location
1260	sub save_path {	1710	sub save_path {
1261	my ($self) = @_;	1711	my ($self) = @_;
1262		1712
1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1714	"$TMPDIR/$path.map"
1265	}	1715	}
1266		1716
1267	# the unique path, undef == no special unique path	1717	# the unique path, undef == no special unique path
1268	sub uniq_path {	1718	sub uniq_path {
1269	my ($self) = @_;	1719	my ($self) = @_;
1270		1720
1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1722	"$UNIQUEDIR/$path"
1273	}	1723	}
1274		1724
1275	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1276	# all maps in C++...	1726	# all maps in C++...
1277	sub change_all_map_light {	1727	sub change_all_map_light {
…		…
1279		1729
1280	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1281	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
1282	}	1732	}
1283		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
		1740	}
		1741
1284	sub unlink_save {	1742	sub unlink_save {
1285	my ($self) = @_;	1743	my ($self) = @_;
1286		1744
1287	utf8::encode (my $save = $self->save_path);	1745	utf8::encode (my $save = $self->save_path);
1288	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1746	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1291		1749
1292	sub load_header_from($) {	1750	sub load_header_from($) {
1293	my ($self, $path) = @_;	1751	my ($self, $path) = @_;
1294		1752
1295	utf8::encode $path;	1753	utf8::encode $path;
1296	aio_open $path, O_RDONLY, 0	1754	#aio_open $path, O_RDONLY, 0
1297	or return;	1755	# or return;
1298		1756
1299	$self->_load_header ($path)	1757	$self->_load_header ($path)
1300	or return;	1758	or return;
1301		1759
1302	$self->{load_path} = $path;	1760	$self->{load_path} = $path;
…		…
1344	$self->load_header_orig	1802	$self->load_header_orig
1345	or return;	1803	or return;
1346	$self->prepare_orig;	1804	$self->prepare_orig;
1347	}	1805	}
1348		1806
		1807	$self->{deny_reset} = 1
		1808	if $self->no_reset;
		1809
		1810	$self->default_region (cf::region::find_by_path $self->{path})
		1811	unless $self->default_region;
		1812
1349	1	1813	1
1350	}	1814	}
1351		1815
1352	sub find;	1816	sub find;
1353	sub find {	1817	sub find {
…		…
1365	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1366		1830
1367	$map->load_header	1831	$map->load_header
1368	or return;	1832	or return;
1369		1833
1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1371	# doing this can freeze the server in a sync job, obviously	1835	# doing this can freeze the server in a sync job, obviously
1372	#$cf::WAIT_FOR_TICK->wait;	1836	#$cf::WAIT_FOR_TICK->wait;
1373	$map->reset;	1837	$map->reset;
1374	undef $guard;	1838	undef $guard;
1375	return find $path;	1839	return find $path;
…		…
1386	my ($self) = @_;	1850	my ($self) = @_;
1387		1851
1388	local $self->{deny_reset} = 1; # loading can take a long time	1852	local $self->{deny_reset} = 1; # loading can take a long time
1389		1853
1390	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
1391	my $guard = cf::lock_acquire "map_load:$path";	1857	my $guard = cf::lock_acquire "map_load:$path";
1392		1858
1393	return if $self->in_memory != cf::MAP_SWAPPED;	1859	return if $self->in_memory != cf::MAP_SWAPPED;
1394		1860
1395	$self->in_memory (cf::MAP_LOADING);	1861	$self->in_memory (cf::MAP_LOADING);
1396		1862
1397	$self->alloc;	1863	$self->alloc;
1398		1864
1399	$self->pre_load;	1865	$self->pre_load;
1400
1401	$self->_load_objects ($self->{load_path}, 1)
1402	or return;
1403
1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1405	if delete $self->{load_original};
1406
1407	if (my $uniq = $self->uniq_path) {
1408	utf8::encode $uniq;
1409	if (aio_open $uniq, O_RDONLY, 0) {
1410	$self->clear_unique_items;
1411	$self->_load_objects ($uniq, 0);
1412	}
1413	}
1414
1415	Coro::cede;
1416
1417	# now do the right thing for maps
1418	$self->link_multipart_objects;
1419
1420	unless ($self->{deny_activate}) {
1421	$self->decay_objects;
1422	$self->fix_auto_apply;
1423	$self->update_buttons;
1424	Coro::cede;	1866	Coro::cede;
1425	$self->set_darkness_map;	1867
		1868	$self->_load_objects ($self->{load_path}, 1)
		1869	or return;
		1870
		1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1872	if delete $self->{load_original};
		1873
		1874	if (my $uniq = $self->uniq_path) {
		1875	utf8::encode $uniq;
		1876	if (aio_open $uniq, O_RDONLY, 0) {
		1877	$self->clear_unique_items;
		1878	$self->_load_objects ($uniq, 0);
		1879	}
		1880	}
		1881
		1882	Coro::cede;
		1883	# now do the right thing for maps
		1884	$self->link_multipart_objects;
1426	$self->difficulty ($self->estimate_difficulty)	1885	$self->difficulty ($self->estimate_difficulty)
1427	unless $self->difficulty;	1886	unless $self->difficulty;
1428	Coro::cede;	1887	Coro::cede;
		1888
		1889	unless ($self->{deny_activate}) {
		1890	$self->decay_objects;
		1891	$self->fix_auto_apply;
		1892	$self->update_buttons;
		1893	Coro::cede;
		1894	$self->set_darkness_map;
		1895	Coro::cede;
1429	$self->activate;	1896	$self->activate;
		1897	}
		1898
		1899	$self->{last_save} = $cf::RUNTIME;
		1900	$self->last_access ($cf::RUNTIME);
		1901
		1902	$self->in_memory (cf::MAP_IN_MEMORY);
1430	}	1903	}
1431		1904
1432	$self->post_load;	1905	$self->post_load;
1433
1434	$self->in_memory (cf::MAP_IN_MEMORY);
1435	}	1906	}
1436		1907
1437	sub customise_for {	1908	sub customise_for {
1438	my ($self, $ob) = @_;	1909	my ($self, $ob) = @_;
1439		1910
1440	return find "~" . $ob->name . "/" . $self->{path}	1911	return find "~" . $ob->name . "/" . $self->{path}
1441	if $self->per_player;	1912	if $self->per_player;
		1913
		1914	# return find "?party/" . $ob->name . "/" . $self->{path}
		1915	# if $self->per_party;
1442		1916
1443	$self	1917	$self
1444	}	1918	}
1445		1919
1446	# find and load all maps in the 3x3 area around a map	1920	# find and load all maps in the 3x3 area around a map
…		…
1493		1967
1494	undef $MAP_PREFETCH{$path};	1968	undef $MAP_PREFETCH{$path};
1495	$MAP_PREFETCHER ||= cf::async {	1969	$MAP_PREFETCHER ||= cf::async {
1496	while (%MAP_PREFETCH) {	1970	while (%MAP_PREFETCH) {
1497	for my $path (keys %MAP_PREFETCH) {	1971	for my $path (keys %MAP_PREFETCH) {
1498	my $map = find $path	1972	if (my $map = find $path) {
1499	or next;
1500	$map->load;	1973	$map->load;
		1974	}
1501		1975
1502	delete $MAP_PREFETCH{$path};	1976	delete $MAP_PREFETCH{$path};
1503	}	1977	}
1504	}	1978	}
1505	undef $MAP_PREFETCHER;	1979	undef $MAP_PREFETCHER;
…		…
1557		2031
1558	sub reset_at {	2032	sub reset_at {
1559	my ($self) = @_;	2033	my ($self) = @_;
1560		2034
1561	# TODO: safety, remove and allow resettable per-player maps	2035	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	2036	return 1e99 if $self->{deny_reset};
1564		2037
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2038	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2039	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2040
…		…
1578	my ($self) = @_;	2051	my ($self) = @_;
1579		2052
1580	my $lock = cf::lock_acquire "map_data:$self->{path}";	2053	my $lock = cf::lock_acquire "map_data:$self->{path}";
1581		2054
1582	return if $self->players;	2055	return if $self->players;
1583	return if $self->isa ("ext::map_per_player");#d#
1584		2056
1585	warn "resetting map ", $self->path;#d#	2057	warn "resetting map ", $self->path;
		2058
		2059	$self->in_memory (cf::MAP_SWAPPED);
		2060
		2061	# need to save uniques path
		2062	unless ($self->{deny_save}) {
		2063	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2064
		2065	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2066	if $uniq;
		2067	}
1586		2068
1587	delete $cf::MAP{$self->path};	2069	delete $cf::MAP{$self->path};
1588		2070
1589	$self->in_memory (cf::MAP_SWAPPED);
1590	$self->clear;	2071	$self->clear;
1591		2072
1592	$_->clear_links_to ($self) for values %cf::MAP;	2073	$_->clear_links_to ($self) for values %cf::MAP;
1593		2074
1594	$self->unlink_save;	2075	$self->unlink_save;
…		…
1613	$cf::MAP{$self->path} = $self;	2094	$cf::MAP{$self->path} = $self;
1614		2095
1615	$self->reset; # polite request, might not happen	2096	$self->reset; # polite request, might not happen
1616	}	2097	}
1617		2098
		2099	=item $maps = cf::map::tmp_maps
		2100
		2101	Returns an arrayref with all map paths of currently instantiated and saved
		2102	maps. May block.
		2103
		2104	=cut
		2105
		2106	sub tmp_maps() {
		2107	[
		2108	map {
		2109	utf8::decode $_;
		2110	/\.map$/
		2111	? normalise $_
		2112	: ()
		2113	} @{ aio_readdir $TMPDIR or [] }
		2114	]
		2115	}
		2116
		2117	=item $maps = cf::map::random_maps
		2118
		2119	Returns an arrayref with all map paths of currently instantiated and saved
		2120	random maps. May block.
		2121
		2122	=cut
		2123
		2124	sub random_maps() {
		2125	[
		2126	map {
		2127	utf8::decode $_;
		2128	/\.map$/
		2129	? normalise "?random/$_"
		2130	: ()
		2131	} @{ aio_readdir $RANDOMDIR or [] }
		2132	]
		2133	}
		2134
1618	=item cf::map::unique_maps	2135	=item cf::map::unique_maps
1619		2136
1620	Returns an arrayref of paths of all shared maps that have	2137	Returns an arrayref of paths of all shared maps that have
1621	instantiated unique items. May block.	2138	instantiated unique items. May block.
1622		2139
1623	=cut	2140	=cut
1624		2141
1625	sub unique_maps() {	2142	sub unique_maps() {
1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2143	[
1627	or return;	2144	map {
1628
1629	my @paths;
1630
1631	for (@$files) {
1632	utf8::decode $_;	2145	utf8::decode $_;
1633	next if /\.pst$/;	2146	/\.map$/
1634	next unless /^$PATH_SEP/o;	2147	? normalise $_
1635		2148	: ()
1636	push @paths, cf::map::normalise $_;	2149	} @{ aio_readdir $UNIQUEDIR or [] }
1637	}	2150	]
1638
1639	\@paths
1640	}	2151	}
1641		2152
1642	package cf;	2153	package cf;
1643		2154
1644	=back	2155	=back
…		…
1690		2201
1691	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2202	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1692		2203
1693	if ($self->{record_replies}) {	2204	if ($self->{record_replies}) {
1694	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2205	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2206
1695	} else {	2207	} else {
		2208	my $pl = $self->contr;
		2209
		2210	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2211	my $dialog = $pl->{npc_dialog};
		2212	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2213
		2214	} else {
1696	$msg = $npc->name . " says: $msg" if $npc;	2215	$msg = $npc->name . " says: $msg" if $npc;
1697	$self->message ($msg, $flags);	2216	$self->message ($msg, $flags);
		2217	}
1698	}	2218	}
		2219	}
		2220
		2221	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2222
		2223	=cut
		2224
		2225	sub cf::object::send_msg {
		2226	my $pl = shift->contr
		2227	or return;
		2228	$pl->send_msg (@_);
1699	}	2229	}
1700		2230
1701	=item $player_object->may ("access")	2231	=item $player_object->may ("access")
1702		2232
1703	Returns wether the given player is authorized to access resource "access"	2233	Returns wether the given player is authorized to access resource "access"
…		…
1750	$self->deactivate_recursive;	2280	$self->deactivate_recursive;
1751		2281
1752	return if UNIVERSAL::isa $self->map, "ext::map_link";	2282	return if UNIVERSAL::isa $self->map, "ext::map_link";
1753		2283
1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2284	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1755	if $self->map;	2285	if $self->map && $self->map->{path} ne "{link}";
1756		2286
1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2287	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1758	}	2288	}
1759		2289
1760	sub cf::object::player::leave_link {	2290	sub cf::object::player::leave_link {
1761	my ($self, $map, $x, $y) = @_;	2291	my ($self, $map, $x, $y) = @_;
		2292
		2293	return unless $self->contr->active;
1762		2294
1763	my $link_pos = delete $self->{_link_pos};	2295	my $link_pos = delete $self->{_link_pos};
1764		2296
1765	unless ($map) {	2297	unless ($map) {
1766	# restore original map position	2298	# restore original map position
…		…
1784	$map->load;	2316	$map->load;
1785	$map->load_diag;	2317	$map->load_diag;
1786		2318
1787	return unless $self->contr->active;	2319	return unless $self->contr->active;
1788	$self->activate_recursive;	2320	$self->activate_recursive;
		2321
		2322	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1789	$self->enter_map ($map, $x, $y);	2323	$self->enter_map ($map, $x, $y);
1790	}	2324	}
1791		2325
1792	cf::player->attach (	2326	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1793	on_logout => sub {
1794	my ($pl) = @_;
1795		2327
1796	# abort map switching before logout	2328	Moves the player to the given map-path and coordinates by first freezing
1797	if ($pl->ob->{_link_pos}) {	2329	her, loading and preparing them map, calling the provided $check callback
1798	cf::sync_job {	2330	that has to return the map if sucecssful, and then unfreezes the player on
1799	$pl->ob->leave_link	2331	the new (success) or old (failed) map position. In either case, $done will
1800	};	2332	be called at the end of this process.
1801	}
1802	},
1803	on_login => sub {
1804	my ($pl) = @_;
1805		2333
1806	# try to abort aborted map switching on player login :)
1807	# should happen only on crashes
1808	if ($pl->ob->{_link_pos}) {
1809	$pl->ob->enter_link;
1810	(async {
1811	# we need this sleep as the login has a concurrent enter_exit running
1812	# and this sleep increases chances of the player not ending up in scorn
1813	$pl->ob->reply (undef,
1814	"There was an internal problem at your last logout, "
1815	. "the server will try to bring you to your intended destination in a second.",
1816	cf::NDI_RED);
1817	Coro::Timer::sleep 1;
1818	$pl->ob->leave_link;
1819	})->prio (2);
1820	}
1821	},
1822	);
1823
1824	=item $player_object->goto ($path, $x, $y)
1825
1826	=cut	2334	=cut
		2335
		2336	our $GOTOGEN;
1827		2337
1828	sub cf::object::player::goto {	2338	sub cf::object::player::goto {
1829	my ($self, $path, $x, $y) = @_;	2339	my ($self, $path, $x, $y, $check, $done) = @_;
		2340
		2341	# do generation counting so two concurrent goto's will be executed in-order
		2342	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1830		2343
1831	$self->enter_link;	2344	$self->enter_link;
1832		2345
1833	(async {	2346	(async {
1834	my $map = eval {	2347	my $map = eval {
1835	my $map = cf::map::find $path;	2348	my $map = cf::map::find $path;
		2349
		2350	if ($map) {
1836	$map = $map->customise_for ($self) if $map;	2351	$map = $map->customise_for ($self);
		2352	$map = $check->($map) if $check && $map;
		2353	} else {
		2354	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2355	}
		2356
1837	$map	2357	$map
		2358	};
		2359
		2360	if ($@) {
		2361	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2362	LOG llevError | logBacktrace, Carp::longmess $@;
1838	} or	2363	}
1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1840		2364
		2365	if ($gen == $self->{_goto_generation}) {
		2366	delete $self->{_goto_generation};
1841	$self->leave_link ($map, $x, $y);	2367	$self->leave_link ($map, $x, $y);
		2368	}
		2369
		2370	$done->() if $done;
1842	})->prio (1);	2371	})->prio (1);
1843	}	2372	}
1844		2373
1845	=item $player_object->enter_exit ($exit_object)	2374	=item $player_object->enter_exit ($exit_object)
1846		2375
…		…
1885		2414
1886	$rmp->{random_seed} ||= $exit->random_seed;	2415	$rmp->{random_seed} ||= $exit->random_seed;
1887		2416
1888	my $data = cf::to_json $rmp;	2417	my $data = cf::to_json $rmp;
1889	my $md5 = Digest::MD5::md5_hex $data;	2418	my $md5 = Digest::MD5::md5_hex $data;
1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2419	my $meta = "$RANDOMDIR/$md5.meta";
1891		2420
1892	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2421	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1893	aio_write $fh, 0, (length $data), $data, 0;	2422	aio_write $fh, 0, (length $data), $data, 0;
1894	undef $fh;	2423	undef $fh;
1895	aio_rename "$meta~", $meta;	2424	aio_rename "$meta~", $meta;
…		…
1904		2433
1905	return unless $self->type == cf::PLAYER;	2434	return unless $self->type == cf::PLAYER;
1906		2435
1907	if ($exit->slaying eq "/!") {	2436	if ($exit->slaying eq "/!") {
1908	#TODO: this should de-fi-ni-te-ly not be a sync-job	2437	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2438	# the problem is that $exit might not survive long enough
		2439	# so it needs to be done right now, right here
1909	cf::sync_job { prepare_random_map $exit };	2440	cf::sync_job { prepare_random_map $exit };
1910	}	2441	}
1911		2442
1912	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2443	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	my $hp = $exit->stats->hp;	2444	my $hp = $exit->stats->hp;
1914	my $sp = $exit->stats->sp;	2445	my $sp = $exit->stats->sp;
1915		2446
1916	$self->enter_link;	2447	$self->enter_link;
		2448
		2449	# if exit is damned, update players death & WoR home-position
		2450	$self->contr->savebed ($slaying, $hp, $sp)
		2451	if $exit->flag (FLAG_DAMNED);
1917		2452
1918	(async {	2453	(async {
1919	$self->deactivate_recursive; # just to be sure	2454	$self->deactivate_recursive; # just to be sure
1920	unless (eval {	2455	unless (eval {
1921	$self->goto ($slaying, $hp, $sp);	2456	$self->goto ($slaying, $hp, $sp);
1922		2457
1923	1;	2458	1;
1924	}) {	2459	}) {
1925	$self->message ("Something went wrong deep within the crossfire server. "	2460	$self->message ("Something went wrong deep within the crossfire server. "
1926	. "I'll try to bring you back to the map you were before. "	2461	. "I'll try to bring you back to the map you were before. "
1927	. "Please report this to the dungeon master!",	2462	. "Please report this to the dungeon master!",
1928	cf::NDI_UNIQUE | cf::NDI_RED);	2463	cf::NDI_UNIQUE | cf::NDI_RED);
1929		2464
1930	warn "ERROR in enter_exit: $@";	2465	warn "ERROR in enter_exit: $@";
1931	$self->leave_link;	2466	$self->leave_link;
1932	}	2467	}
1933	})->prio (1);	2468	})->prio (1);
…		…
1946		2481
1947	sub cf::client::send_drawinfo {	2482	sub cf::client::send_drawinfo {
1948	my ($self, $text, $flags) = @_;	2483	my ($self, $text, $flags) = @_;
1949		2484
1950	utf8::encode $text;	2485	utf8::encode $text;
1951	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2486	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1952	}	2487	}
1953		2488
		2489	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2490
		2491	Send a drawinfo or msg packet to the client, formatting the msg for the
		2492	client if neccessary. C<$type> should be a string identifying the type of
		2493	the message, with C<log> being the default. If C<$color> is negative, suppress
		2494	the message unless the client supports the msg packet.
		2495
		2496	=cut
		2497
		2498	sub cf::client::send_msg {
		2499	my ($self, $channel, $msg, $color, @extra) = @_;
		2500
		2501	$msg = $self->pl->expand_cfpod ($msg);
		2502
		2503	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2504
		2505	if (ref $channel) {
		2506	# send meta info to client, if not yet sent
		2507	unless (exists $self->{channel}{$channel->{id}}) {
		2508	$self->{channel}{$channel->{id}} = $channel;
		2509	$self->ext_msg (channel_info => $channel);
		2510	}
		2511
		2512	$channel = $channel->{id};
		2513	}
		2514
		2515	return unless @extra || length $msg;
		2516
		2517	if ($self->can_msg) {
		2518	# default colour, mask it out
		2519	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2520	if $color & cf::NDI_DEF;
		2521
		2522	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2523	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2524	} else {
		2525	if ($color >= 0) {
		2526	# replace some tags by gcfclient-compatible ones
		2527	for ($msg) {
		2528	1 while
		2529	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2530	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2531	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2532	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2533	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2534	}
		2535
		2536	$color &= cf::NDI_COLOR_MASK;
		2537
		2538	utf8::encode $msg;
		2539
		2540	if (0 && $msg =~ /\[/) {
		2541	# COMMAND/INFO
		2542	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2543	} else {
		2544	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2545	$self->send_packet ("drawinfo $color $msg")
		2546	}
		2547	}
		2548	}
		2549	}
		2550
		2551	=item $client->ext_msg ($type, @msg)
		2552
		2553	Sends an ext event to the client.
		2554
		2555	=cut
		2556
		2557	sub cf::client::ext_msg($$@) {
		2558	my ($self, $type, @msg) = @_;
		2559
		2560	my $extcmd = $self->extcmd;
		2561
		2562	if ($extcmd == 2) {
		2563	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2564	} elsif ($extcmd == 1) { # TODO: remove
		2565	push @msg, msgtype => "event_$type";
		2566	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2567	}
		2568	}
1954		2569
1955	=item $success = $client->query ($flags, "text", \&cb)	2570	=item $success = $client->query ($flags, "text", \&cb)
1956		2571
1957	Queues a query to the client, calling the given callback with	2572	Queues a query to the client, calling the given callback with
1958	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2573	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1959	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2574	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1960		2575
1961	Queries can fail, so check the return code. Or don't, as queries will become	2576	Queries can fail, so check the return code. Or don't, as queries will
1962	reliable at some point in the future.	2577	become reliable at some point in the future.
1963		2578
1964	=cut	2579	=cut
1965		2580
1966	sub cf::client::query {	2581	sub cf::client::query {
1967	my ($self, $flags, $text, $cb) = @_;	2582	my ($self, $flags, $text, $cb) = @_;
…		…
1975	utf8::encode $text;	2590	utf8::encode $text;
1976	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2591	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1977		2592
1978	$self->send_packet ($self->{query_queue}[0][0])	2593	$self->send_packet ($self->{query_queue}[0][0])
1979	if @{ $self->{query_queue} } == 1;	2594	if @{ $self->{query_queue} } == 1;
		2595
		2596	1
1980	}	2597	}
1981		2598
1982	cf::client->attach (	2599	cf::client->attach (
		2600	on_connect => sub {
		2601	my ($ns) = @_;
		2602
		2603	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2604	},
1983	on_reply => sub {	2605	on_reply => sub {
1984	my ($ns, $msg) = @_;	2606	my ($ns, $msg) = @_;
1985		2607
1986	# this weird shuffling is so that direct followup queries	2608	# this weird shuffling is so that direct followup queries
1987	# get handled first	2609	# get handled first
1988	my $queue = delete $ns->{query_queue}	2610	my $queue = delete $ns->{query_queue}
1989	or return; # be conservative, not sure how that can happen, but we saw a crash here	2611	or return; # be conservative, not sure how that can happen, but we saw a crash here
1990		2612
1991	(shift @$queue)->[1]->($msg);	2613	(shift @$queue)->[1]->($msg);
		2614	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1992		2615
1993	push @{ $ns->{query_queue} }, @$queue;	2616	push @{ $ns->{query_queue} }, @$queue;
1994		2617
1995	if (@{ $ns->{query_queue} } == @$queue) {	2618	if (@{ $ns->{query_queue} } == @$queue) {
1996	if (@$queue) {	2619	if (@$queue) {
…		…
1998	} else {	2621	} else {
1999	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2622	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2000	}	2623	}
2001	}	2624	}
2002	},	2625	},
		2626	on_exticmd => sub {
		2627	my ($ns, $buf) = @_;
		2628
		2629	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2630
		2631	if (ref $msg) {
		2632	my ($type, $reply, @payload) =
		2633	"ARRAY" eq ref $msg
		2634	? @$msg
		2635	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2636
		2637	if (my $cb = $EXTICMD{$type}) {
		2638	my @reply = $cb->($ns, @payload);
		2639
		2640	$ns->ext_reply ($reply, @reply)
		2641	if $reply;
		2642	}
		2643	} else {
		2644	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2645	}
		2646
		2647	cf::override;
		2648	},
2003	);	2649	);
2004		2650
2005	=item $client->async (\&cb)	2651	=item $client->async (\&cb)
2006		2652
2007	Create a new coroutine, running the specified callback. The coroutine will	2653	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048	our $safe = new Safe "safe";	2694	our $safe = new Safe "safe";
2049	our $safe_hole = new Safe::Hole;	2695	our $safe_hole = new Safe::Hole;
2050		2696
2051	$SIG{FPE} = 'IGNORE';	2697	$SIG{FPE} = 'IGNORE';
2052		2698
2053	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2699	$safe->permit_only (Opcode::opset qw(
		2700	:base_core :base_mem :base_orig :base_math
		2701	grepstart grepwhile mapstart mapwhile
		2702	sort time
		2703	));
2054		2704
2055	# here we export the classes and methods available to script code	2705	# here we export the classes and methods available to script code
2056		2706
2057	=pod	2707	=pod
2058		2708
2059	The following fucntions and emthods are available within a safe environment:	2709	The following functions and methods are available within a safe environment:
2060		2710
2061	cf::object contr pay_amount pay_player map	2711	cf::object
		2712	contr pay_amount pay_player map x y force_find force_add
		2713	insert remove name archname title slaying race
		2714
2062	cf::object::player player	2715	cf::object::player
2063	cf::player peaceful	2716	player
2064	cf::map trigger	2717
		2718	cf::player
		2719	peaceful
		2720
		2721	cf::map
		2722	trigger
2065		2723
2066	=cut	2724	=cut
2067		2725
2068	for (	2726	for (
2069	["cf::object" => qw(contr pay_amount pay_player map)],	2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2728	insert remove inv name archname title slaying race)],
2070	["cf::object::player" => qw(player)],	2729	["cf::object::player" => qw(player)],
2071	["cf::player" => qw(peaceful)],	2730	["cf::player" => qw(peaceful)],
2072	["cf::map" => qw(trigger)],	2731	["cf::map" => qw(trigger)],
2073	) {	2732	) {
2074	no strict 'refs';	2733	no strict 'refs';
…		…
2145	=back	2804	=back
2146		2805
2147	=cut	2806	=cut
2148		2807
2149	#############################################################################	2808	#############################################################################
		2809	# the server's init and main functions
2150		2810
2151	=head2 EXTENSION DATABASE SUPPORT	2811	sub load_facedata($) {
		2812	my ($path) = @_;
2152		2813
2153	Crossfire maintains a very simple database for extension use. It can	2814	warn "loading facedata from $path\n";
2154	currently store anything that can be serialised using Storable, which
2155	excludes objects.
2156		2815
2157	The parameter C<$family> should best start with the name of the extension	2816	my $facedata;
2158	using it, it should be unique.	2817	0 < aio_load $path, $facedata
		2818	or die "$path: $!";
2159		2819
2160	=over 4	2820	$facedata = Coro::Storable::thaw $facedata;
2161		2821
2162	=item $hashref = cf::db_get $family	2822	$facedata->{version} == 2
		2823	or cf::cleanup "$path: version mismatch, cannot proceed.";
2163		2824
2164	Return a hashref for use by the extension C<$family>, which can be
2165	modified. After modifications, you have to call C<cf::db_dirty> or
2166	C<cf::db_sync>.
2167
2168	=item $value = cf::db_get $family => $key
2169
2170	Returns a single value from the database
2171
2172	=item cf::db_put $family => $hashref
2173
2174	Stores the given family hashref into the database. Updates are delayed, if
2175	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2176
2177	=item cf::db_put $family => $key => $value
2178
2179	Stores the given C<$value> in the family hash. Updates are delayed, if you
2180	want the data to be synced to disk immediately, use C<cf::db_sync>.
2181
2182	=item cf::db_dirty
2183
2184	Marks the database as dirty, to be updated at a later time.
2185
2186	=item cf::db_sync
2187
2188	Immediately write the database to disk I<if it is dirty>.
2189
2190	=cut
2191
2192	our $DB;
2193
2194	{
2195	my $path = cf::localdir . "/database.pst";
2196
2197	sub db_load() {
2198	$DB = stat $path ? Storable::retrieve $path : { };
2199	}	2825	{
		2826	my $faces = $facedata->{faceinfo};
2200		2827
2201	my $pid;	2828	while (my ($face, $info) = each %$faces) {
		2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2830	cf::face::set_visibility $idx, $info->{visibility};
		2831	cf::face::set_magicmap $idx, $info->{magicmap};
		2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2202		2834
2203	sub db_save() {	2835	cf::cede_to_tick;
2204	waitpid $pid, 0 if $pid;
2205	if (0 == ($pid = fork)) {
2206	$DB->{_meta}{version} = 1;
2207	Storable::nstore $DB, "$path~";
2208	rename "$path~", $path;
2209	cf::_exit 0 if defined $pid;
2210	}
2211	}
2212
2213	my $dirty;
2214
2215	sub db_sync() {
2216	db_save if $dirty;
2217	undef $dirty;
2218	}
2219
2220	my $idle = Event->idle (
2221	reentrant => 0,
2222	min => 10,
2223	max => 20,
2224	repeat => 0,
2225	data => WF_AUTOCANCEL,
2226	cb => \&db_sync,
2227	);
2228
2229	sub db_dirty() {
2230	$dirty = 1;
2231	$idle->start;
2232	}
2233
2234	sub db_get($;$) {
2235	@_ >= 2
2236	? $DB->{$_[0]}{$_[1]}
2237	: ($DB->{$_[0]} ||= { })
2238	}
2239
2240	sub db_put($$;$) {
2241	if (@_ >= 3) {
2242	$DB->{$_[0]}{$_[1]} = $_[2];
2243	} else {
2244	$DB->{$_[0]} = $_[1];
2245	}
2246	db_dirty;
2247	}
2248
2249	cf::global->attach (
2250	prio => 10000,
2251	on_cleanup => sub {
2252	db_sync;
2253	},	2836	}
2254	);
2255	}
2256		2837
2257	#############################################################################	2838	while (my ($face, $info) = each %$faces) {
2258	# the server's main()	2839	next unless $info->{smooth};
		2840	my $idx = cf::face::find $face
		2841	or next;
		2842	if (my $smooth = cf::face::find $info->{smooth}) {
		2843	cf::face::set_smooth $idx, $smooth;
		2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2845	} else {
		2846	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2847	}
		2848
		2849	cf::cede_to_tick;
		2850	}
		2851	}
		2852
		2853	{
		2854	my $anims = $facedata->{animinfo};
		2855
		2856	while (my ($anim, $info) = each %$anims) {
		2857	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2858	cf::cede_to_tick;
		2859	}
		2860
		2861	cf::anim::invalidate_all; # d'oh
		2862	}
		2863
		2864	{
		2865	# TODO: for gcfclient pleasure, we should give resources
		2866	# that gcfclient doesn't grok a >10000 face index.
		2867	my $res = $facedata->{resource};
		2868	my $enc = JSON::XS->new->utf8->canonical;
		2869
		2870	my $soundconf = delete $res->{"res/sound.conf"};
		2871
		2872	while (my ($name, $info) = each %$res) {
		2873	my $meta = $enc->encode ({
		2874	name => $name,
		2875	%{ $info->{meta} || {} },
		2876	});
		2877
		2878	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2879
		2880	if ($info->{type} & 1) {
		2881	# prepend meta info
		2882
		2883	my $data = pack "(w/a*)*", $meta, $info->{data};
		2884	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2885
		2886	cf::face::set_data $idx, 0, $data, $chk;
		2887	} else {
		2888	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2889	}
		2890
		2891	cf::face::set_type $idx, $info->{type};
		2892
		2893	cf::cede_to_tick;
		2894	}
		2895
		2896	if ($soundconf) {
		2897	$soundconf = $enc->decode (delete $soundconf->{data});
		2898
		2899	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2900	my $sound = $soundconf->{compat}[$_]
		2901	or next;
		2902
		2903	my $face = cf::face::find "sound/$sound->[1]";
		2904	cf::sound::set $sound->[0] => $face;
		2905	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2906	}
		2907
		2908	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2909	my $face = cf::face::find "sound/$v";
		2910	cf::sound::set $k => $face;
		2911	}
		2912	}
		2913	}
		2914
		2915	1
		2916	}
		2917
		2918	register_exticmd fx_want => sub {
		2919	my ($ns, $want) = @_;
		2920
		2921	while (my ($k, $v) = each %$want) {
		2922	$ns->fx_want ($k, $v);
		2923	}
		2924	};
		2925
		2926	sub reload_regions {
		2927	load_resource_file "$MAPDIR/regions"
		2928	or die "unable to load regions file\n";
		2929
		2930	for (cf::region::list) {
		2931	$_->{match} = qr/$_->{match}/
		2932	if exists $_->{match};
		2933	}
		2934	}
		2935
		2936	sub reload_facedata {
		2937	load_facedata "$DATADIR/facedata"
		2938	or die "unable to load facedata\n";
		2939	}
		2940
		2941	sub reload_archetypes {
		2942	load_resource_file "$DATADIR/archetypes"
		2943	or die "unable to load archetypes\n";
		2944	#d# NEED to laod twice to resolve forward references
		2945	# this really needs to be done in an extra post-pass
		2946	# (which needs to be synchronous, so solve it differently)
		2947	load_resource_file "$DATADIR/archetypes"
		2948	or die "unable to load archetypes\n";
		2949	}
		2950
		2951	sub reload_treasures {
		2952	load_resource_file "$DATADIR/treasures"
		2953	or die "unable to load treasurelists\n";
		2954	}
		2955
		2956	sub reload_resources {
		2957	warn "reloading resource files...\n";
		2958
		2959	reload_regions;
		2960	reload_facedata;
		2961	#reload_archetypes;#d#
		2962	reload_archetypes;
		2963	reload_treasures;
		2964
		2965	warn "finished reloading resource files\n";
		2966	}
		2967
		2968	sub init {
		2969	reload_resources;
		2970	}
2259		2971
2260	sub cfg_load {	2972	sub cfg_load {
2261	open my $fh, "<:utf8", cf::confdir . "/config"	2973	open my $fh, "<:utf8", "$CONFDIR/config"
2262	or return;	2974	or return;
2263		2975
2264	local $/;	2976	local $/;
2265	*CFG = YAML::Syck::Load <$fh>;	2977	*CFG = YAML::Syck::Load <$fh>;
2266		2978
…		…
2286	Event::one_event;	2998	Event::one_event;
2287	})->prio (Coro::PRIO_MAX);	2999	})->prio (Coro::PRIO_MAX);
2288	};	3000	};
2289		3001
2290	cfg_load;	3002	cfg_load;
2291	db_load;	3003	db_init;
2292	load_extensions;	3004	load_extensions;
2293		3005
2294	$TICK_WATCHER->start;	3006	$TICK_WATCHER->start;
2295	Event::loop;	3007	Event::loop;
2296	}	3008	}
…		…
2311	},	3023	},
2312	);	3024	);
2313	}	3025	}
2314	}	3026	}
2315		3027
		3028	sub write_runtime {
		3029	my $runtime = "$LOCALDIR/runtime";
		3030
		3031	# first touch the runtime file to show we are still running:
		3032	# the fsync below can take a very very long time.
		3033
		3034	IO::AIO::aio_utime $runtime, undef, undef;
		3035
		3036	my $guard = cf::lock_acquire "write_runtime";
		3037
		3038	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3039	or return;
		3040
		3041	my $value = $cf::RUNTIME + 90 + 10;
		3042	# 10 is the runtime save interval, for a monotonic clock
		3043	# 60 allows for the watchdog to kill the server.
		3044
		3045	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3046	and return;
		3047
		3048	# always fsync - this file is important
		3049	aio_fsync $fh
		3050	and return;
		3051
		3052	# touch it again to show we are up-to-date
		3053	aio_utime $fh, undef, undef;
		3054
		3055	close $fh
		3056	or return;
		3057
		3058	aio_rename "$runtime~", $runtime
		3059	and return;
		3060
		3061	warn "runtime file written.\n";
		3062
		3063	1
		3064	}
		3065
2316	sub emergency_save() {	3066	sub emergency_save() {
2317	my $freeze_guard = cf::freeze_mainloop;	3067	my $freeze_guard = cf::freeze_mainloop;
2318		3068
2319	warn "enter emergency perl save\n";	3069	warn "enter emergency perl save\n";
2320		3070
…		…
2335	my $map = $cf::MAP{$path} or next;	3085	my $map = $cf::MAP{$path} or next;
2336	$map->valid or next;	3086	$map->valid or next;
2337	$map->save;	3087	$map->save;
2338	}	3088	}
2339	warn "end emergency map save\n";	3089	warn "end emergency map save\n";
		3090
		3091	warn "begin emergency database checkpoint\n";
		3092	BDB::db_env_txn_checkpoint $DB_ENV;
		3093	warn "end emergency database checkpoint\n";
2340	};	3094	};
2341		3095
2342	warn "leave emergency perl save\n";	3096	warn "leave emergency perl save\n";
2343	}	3097	}
2344		3098
		3099	sub post_cleanup {
		3100	my ($make_core) = @_;
		3101
		3102	warn Carp::longmess "post_cleanup backtrace"
		3103	if $make_core;
		3104	}
		3105
2345	sub reload() {	3106	sub do_reload_perl() {
2346	# can/must only be called in main	3107	# can/must only be called in main
2347	if ($Coro::current != $Coro::main) {	3108	if ($Coro::current != $Coro::main) {
2348	warn "can only reload from main coroutine";	3109	warn "can only reload from main coroutine";
2349	return;	3110	return;
2350	}	3111	}
2351		3112
2352	warn "reloading...";	3113	warn "reloading...";
2353		3114
2354	warn "cancelling server ticker";	3115	warn "entering sync_job";
2355	$TICK_WATCHER->cancel;
2356		3116
		3117	cf::sync_job {
		3118	cf::write_runtime; # external watchdog should not bark
2357	cf::emergency_save;	3119	cf::emergency_save;
		3120	cf::write_runtime; # external watchdog should not bark
2358		3121
2359	eval {	3122	warn "syncing database to disk";
		3123	BDB::db_env_txn_checkpoint $DB_ENV;
		3124
2360	# if anything goes wrong in here, we should simply crash as we already saved	3125	# if anything goes wrong in here, we should simply crash as we already saved
2361
2362	warn "syncing database to disk";
2363	cf::db_sync;
2364		3126
2365	warn "cancelling all WF_AUTOCANCEL watchers";	3127	warn "cancelling all WF_AUTOCANCEL watchers";
2366	for (Event::all_watchers) {	3128	for (Event::all_watchers) {
2367	$_->cancel if $_->data & WF_AUTOCANCEL;	3129	$_->cancel if $_->data & WF_AUTOCANCEL;
2368	}	3130	}
2369		3131
2370	warn "flushing outstanding aio requests";	3132	warn "flushing outstanding aio requests";
2371	for (;;) {	3133	for (;;) {
		3134	BDB::flush;
2372	IO::AIO::flush;	3135	IO::AIO::flush;
2373	Coro::cede;	3136	Coro::cede;
2374	last unless IO::AIO::nreqs;	3137	last unless IO::AIO::nreqs || BDB::nreqs;
2375	warn "iterate...";	3138	warn "iterate...";
2376	}	3139	}
		3140
		3141	++$RELOAD;
2377		3142
2378	warn "cancelling all extension coros";	3143	warn "cancelling all extension coros";
2379	$_->cancel for values %EXT_CORO;	3144	$_->cancel for values %EXT_CORO;
2380	%EXT_CORO = ();	3145	%EXT_CORO = ();
2381		3146
2382	warn "removing commands";	3147	warn "removing commands";
2383	%COMMAND = ();	3148	%COMMAND = ();
2384		3149
2385	warn "removing ext commands";	3150	warn "removing ext/exti commands";
2386	%EXTCMD = ();	3151	%EXTCMD = ();
		3152	%EXTICMD = ();
2387		3153
2388	warn "unloading/nuking all extensions";	3154	warn "unloading/nuking all extensions";
2389	for my $pkg (@EXTS) {	3155	for my $pkg (@EXTS) {
2390	warn "... unloading $pkg";	3156	warn "... unloading $pkg";
2391		3157
…		…
2421	Symbol::delete_package "safe::$_"	3187	Symbol::delete_package "safe::$_"
2422	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3188	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2423		3189
2424	warn "unloading cf.pm \"a bit\"";	3190	warn "unloading cf.pm \"a bit\"";
2425	delete $INC{"cf.pm"};	3191	delete $INC{"cf.pm"};
		3192	delete $INC{"cf/pod.pm"};
2426		3193
2427	# don't, removes xs symbols, too,	3194	# don't, removes xs symbols, too,
2428	# and global variables created in xs	3195	# and global variables created in xs
2429	#Symbol::delete_package __PACKAGE__;	3196	#Symbol::delete_package __PACKAGE__;
2430		3197
…		…
2434	require cf;	3201	require cf;
2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3202	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2436		3203
2437	warn "loading config and database again";	3204	warn "loading config and database again";
2438	cf::cfg_load;	3205	cf::cfg_load;
2439	cf::db_load;
2440		3206
2441	warn "loading extensions";	3207	warn "loading extensions";
2442	cf::load_extensions;	3208	cf::load_extensions;
2443		3209
2444	warn "reattaching attachments to objects/players";	3210	warn "reattaching attachments to objects/players";
2445	_global_reattach;	3211	_global_reattach; # objects, sockets
2446	warn "reattaching attachments to maps";	3212	warn "reattaching attachments to maps";
2447	reattach $_ for values %MAP;	3213	reattach $_ for values %MAP;
		3214	warn "reattaching attachments to players";
		3215	reattach $_ for values %PLAYER;
2448		3216
2449	warn "restarting server ticker";	3217	warn "leaving sync_job";
2450		3218
2451	$TICK_WATCHER->start;	3219	1
2452	};	3220	} or do {
2453
2454	if ($@) {
2455	warn $@;	3221	warn $@;
2456	warn "error while reloading, exiting.";	3222	warn "error while reloading, exiting.";
2457	exit 1;	3223	exit 1;
2458	}	3224	};
2459		3225
2460	warn "reloaded";	3226	warn "reloaded";
2461	};	3227	};
2462		3228
2463	our $RELOAD_WATCHER; # used only during reload	3229	our $RELOAD_WATCHER; # used only during reload
2464		3230
		3231	sub reload_perl() {
		3232	# doing reload synchronously and two reloads happen back-to-back,
		3233	# coro crashes during coro_state_free->destroy here.
		3234
		3235	$RELOAD_WATCHER ||= Event->timer (
		3236	reentrant => 0,
		3237	after => 0,
		3238	data => WF_AUTOCANCEL,
		3239	cb => sub {
		3240	do_reload_perl;
		3241	undef $RELOAD_WATCHER;
		3242	},
		3243	);
		3244	}
		3245
2465	register_command "reload" => sub {	3246	register_command "reload" => sub {
2466	my ($who, $arg) = @_;	3247	my ($who, $arg) = @_;
2467		3248
2468	if ($who->flag (FLAG_WIZ)) {	3249	if ($who->flag (FLAG_WIZ)) {
2469	$who->message ("reloading server.");	3250	$who->message ("reloading server.");
2470		3251	async { reload_perl };
2471	# doing reload synchronously and two reloads happen back-to-back,
2472	# coro crashes during coro_state_free->destroy here.
2473
2474	$RELOAD_WATCHER ||= Event->timer (
2475	reentrant => 0,
2476	after => 0,
2477	data => WF_AUTOCANCEL,
2478	cb => sub {
2479	reload;
2480	undef $RELOAD_WATCHER;
2481	},
2482	);
2483	}	3252	}
2484	};	3253	};
2485		3254
2486	unshift @INC, $LIBDIR;	3255	unshift @INC, $LIBDIR;
2487		3256
2488	my $bug_warning = 0;	3257	my $bug_warning = 0;
2489		3258
		3259	our @WAIT_FOR_TICK;
		3260	our @WAIT_FOR_TICK_BEGIN;
		3261
		3262	sub wait_for_tick {
		3263	return unless $TICK_WATCHER->is_active;
		3264	return if $Coro::current == $Coro::main;
		3265
		3266	my $signal = new Coro::Signal;
		3267	push @WAIT_FOR_TICK, $signal;
		3268	$signal->wait;
		3269	}
		3270
		3271	sub wait_for_tick_begin {
		3272	return unless $TICK_WATCHER->is_active;
		3273	return if $Coro::current == $Coro::main;
		3274
		3275	my $signal = new Coro::Signal;
		3276	push @WAIT_FOR_TICK_BEGIN, $signal;
		3277	$signal->wait;
		3278	}
		3279
		3280	my $min = 1e6;#d#
		3281	my $avg = 10;
2490	$TICK_WATCHER = Event->timer (	3282	$TICK_WATCHER = Event->timer (
2491	reentrant => 0,	3283	reentrant => 0,
2492	parked => 1,	3284	parked => 1,
2493	prio => 0,	3285	prio => 0,
2494	at => $NEXT_TICK || $TICK,	3286	at => $NEXT_TICK || $TICK,
…		…
2498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3290	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2499	unless ++$bug_warning > 10;	3291	unless ++$bug_warning > 10;
2500	return;	3292	return;
2501	}	3293	}
2502		3294
2503	$NOW = Event::time;	3295	$NOW = $tick_start = Event::time;
2504		3296
2505	cf::server_tick; # one server iteration	3297	cf::server_tick; # one server iteration
		3298
		3299	0 && sync_job {#d#
		3300	for(1..10) {
		3301	my $t = Event::time;
		3302	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3303	or die;
		3304
		3305	$map->width (50);
		3306	$map->height (50);
		3307	$map->alloc;
		3308	$map->_load_objects ("/tmp/x.map", 1);
		3309	my $t = Event::time - $t;
		3310
		3311	#next unless $t < 0.0013;#d#
		3312	if ($t < $min) {
		3313	$min = $t;
		3314	}
		3315	$avg = $avg * 0.99 + $t * 0.01;
		3316	}
		3317	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3318	exit 0;
		3319	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3320	};
		3321
2506	$RUNTIME += $TICK;	3322	$RUNTIME += $TICK;
2507	$NEXT_TICK += $TICK;	3323	$NEXT_TICK += $TICK;
2508		3324
2509	$WAIT_FOR_TICK->broadcast;	3325	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3326	$NEXT_RUNTIME_WRITE = $NOW + 10;
2511		3327	Coro::async_pool {
2512	Event::sweep;	3328	write_runtime
2513	Coro::cede_notself;	3329	or warn "ERROR: unable to write runtime file: $!";
		3330	};
2514		3331	}
		3332
2515	# my $AFTER = Event::time;	3333	# my $AFTER = Event::time;
2516	# warn $AFTER - $NOW;#d#	3334	# warn $AFTER - $NOW;#d#
2517		3335
		3336	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3337	$sig->send;
		3338	}
		3339	while (my $sig = shift @WAIT_FOR_TICK) {
		3340	$sig->send;
		3341	}
		3342
		3343	$NOW = Event::time;
		3344
2518	# if we are delayed by four ticks or more, skip them all	3345	# if we are delayed by four ticks or more, skip them all
2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3346	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2520		3347
2521	$TICK_WATCHER->at ($NEXT_TICK);	3348	$TICK_WATCHER->at ($NEXT_TICK);
2522	$TICK_WATCHER->start;	3349	$TICK_WATCHER->start;
		3350
		3351	$LOAD = ($NOW - $tick_start) / $TICK;
		3352	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3353
		3354	_post_tick;
		3355
		3356
2523	},	3357	},
2524	);	3358	);
2525		3359
		3360	{
		3361	BDB::max_poll_time $TICK * 0.1;
		3362	$BDB_POLL_WATCHER = Event->io (
		3363	reentrant => 0,
		3364	fd => BDB::poll_fileno,
		3365	poll => 'r',
		3366	prio => 0,
		3367	data => WF_AUTOCANCEL,
		3368	cb => \&BDB::poll_cb,
		3369	);
		3370	BDB::min_parallel 8;
		3371
		3372	BDB::set_sync_prepare {
		3373	my $status;
		3374	my $current = $Coro::current;
		3375	(
		3376	sub {
		3377	$status = $!;
		3378	$current->ready; undef $current;
		3379	},
		3380	sub {
		3381	Coro::schedule while defined $current;
		3382	$! = $status;
		3383	},
		3384	)
		3385	};
		3386
		3387	unless ($DB_ENV) {
		3388	$DB_ENV = BDB::db_env_create;
		3389
		3390	cf::sync_job {
		3391	eval {
		3392	BDB::db_env_open
		3393	$DB_ENV,
		3394	$BDBDIR,
		3395	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3396	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3397	0666;
		3398
		3399	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3400
		3401	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3402	$DB_ENV->set_lk_detect;
		3403	};
		3404
		3405	cf::cleanup "db_env_open(db): $@" if $@;
		3406	};
		3407	}
		3408	}
		3409
		3410	{
		3411	IO::AIO::min_parallel 8;
		3412
		3413	undef $Coro::AIO::WATCHER;
2526	IO::AIO::max_poll_time $TICK * 0.1;	3414	IO::AIO::max_poll_time $TICK * 0.1;
2527
2528	undef $Coro::AIO::WATCHER;
2529	$AIO_POLL_WATCHER = Event->io (	3415	$AIO_POLL_WATCHER = Event->io (
2530	reentrant => 0,	3416	reentrant => 0,
		3417	data => WF_AUTOCANCEL,
2531	fd => IO::AIO::poll_fileno,	3418	fd => IO::AIO::poll_fileno,
2532	poll => 'r',	3419	poll => 'r',
2533	prio => 6,	3420	prio => 6,
2534	data => WF_AUTOCANCEL,
2535	cb => \&IO::AIO::poll_cb,	3421	cb => \&IO::AIO::poll_cb,
2536	);	3422	);
		3423	}
2537		3424
2538	$WRITE_RUNTIME_WATCHER = Event->timer (	3425	my $_log_backtrace;
2539	reentrant => 0,	3426
2540	data => WF_AUTOCANCEL,	3427	sub _log_backtrace {
2541	after => 1,	3428	my ($msg, @addr) = @_;
2542	interval => 10,	3429
2543	prio => 6, # keep it lowest so it acts like a watchdog	3430	$msg =~ s/\n//;
2544	cb => Coro::unblock_sub {	3431
2545	write_runtime	3432	# limit the # of concurrent backtraces
2546	or warn "ERROR: unable to write runtime file: $!";	3433	if ($_log_backtrace < 2) {
		3434	++$_log_backtrace;
		3435	async {
		3436	my @bt = fork_call {
		3437	@addr = map { sprintf "%x", $_ } @addr;
		3438	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3439	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3440	or die "addr2line: $!";
		3441
		3442	my @funcs;
		3443	my @res = <$fh>;
		3444	chomp for @res;
		3445	while (@res) {
		3446	my ($func, $line) = splice @res, 0, 2, ();
		3447	push @funcs, "[$func] $line";
		3448	}
		3449
		3450	@funcs
		3451	};
		3452
		3453	LOG llevInfo, "[ABT] $msg\n";
		3454	LOG llevInfo, "[ABT] $_\n" for @bt;
		3455	--$_log_backtrace;
		3456	};
		3457	} else {
		3458	LOG llevInfo, "[ABT] $msg\n";
		3459	LOG llevInfo, "[ABT] [suppressed]\n";
2547	},	3460	}
2548	);	3461	}
		3462
		3463	# load additional modules
		3464	use cf::pod;
2549		3465
2550	END { cf::emergency_save }	3466	END { cf::emergency_save }
2551		3467
2552	1	3468	1
2553		3469

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