ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.154 by root, Tue Jan 9 15:36:19 2007 UTC vs.
Revision 1.414 by root, Thu Apr 10 09:10:45 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV 3.2;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
12		35
13	use Coro 3.3 ();	36	use Coro 4.50 ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::EV;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
18	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
		45	use Coro::Storable;
		46	use Coro::Util ();
19		47
		48	use JSON::XS 2.01 ();
		49	use BDB ();
20	use Data::Dumper;	50	use Data::Dumper;
21	use Digest::MD5;	51	use Digest::MD5;
22	use Fcntl;	52	use Fcntl;
		53	use YAML ();
23	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
24	use YAML::Syck ();
25	use Time::HiRes;	55	use Time::HiRes;
		56	use Compress::LZF;
		57	use Digest::MD5 ();
26		58
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	59	# configure various modules to our taste
28		60	#
29	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	61	$Storable::canonical = 1; # reduce rsync transfers
30	$YAML::Syck::ImplicitUnicode = 1;	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
31		64
32	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
33		66
34	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		68
36	our %COMMAND = ();	69	our %COMMAND = ();
37	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
		71
		72	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
		75	our %EXT_CORO = (); # coroutines bound to extensions
		76	our %EXT_MAP = (); # pluggable maps
39		77
		78	our $RELOAD; # number of reloads so far
40	our @EVENT;	79	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		80
43	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
		82	our $DATADIR = datadir;
		83	our $LIBDIR = "$DATADIR/ext";
		84	our $PODDIR = "$DATADIR/pod";
		85	our $MAPDIR = "$DATADIR/" . mapdir;
		86	our $LOCALDIR = localdir;
		87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		90	our $RANDOMDIR = "$LOCALDIR/random";
		91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
		93
		94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
44	our $TICK_WATCHER;	95	our $AIO_POLL_WATCHER;
		96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	97	our $NEXT_TICK;
46	our $NOW;	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
		99
		100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
		104	our $DB_ENV;
47		105
48	our %CFG;	106	our %CFG;
49		107
50	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
52		111
53	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	114	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	115
57	our %EXT_CORO; # coroutines bound to extensions	116	# used to convert map paths into valid unix filenames by replacing / by ∕
		117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		118
		119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
		122	our $TICK_START; # for load detecting purposes
58		123
59	binmode STDOUT;	124	binmode STDOUT;
60	binmode STDERR;	125	binmode STDERR;
61		126
62	# read virtual server time, if available	127	# read virtual server time, if available
63	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
64	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
65	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
66	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
67	}	132	}
68		133
69	mkdir cf::localdir;	134	mkdir $_
70	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
71	mkdir cf::localdir . "/" . cf::tmpdir;
72	mkdir cf::localdir . "/" . cf::uniquedir;
73	mkdir $RANDOM_MAPS;
74		136
75	# a special map that is always available
76	our $LINK_MAP;
77	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
		138
		139	sub cf::map::normalise;
78		140
79	#############################################################################	141	#############################################################################
80		142
81	=head2 GLOBAL VARIABLES	143	=head2 GLOBAL VARIABLES
82		144
…		…
89	=item $cf::RUNTIME	151	=item $cf::RUNTIME
90		152
91	The time this server has run, starts at 0 and is increased by $cf::TICK on	153	The time this server has run, starts at 0 and is increased by $cf::TICK on
92	every server tick.	154	every server tick.
93		155
94	=item $cf::LIBDIR	156	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		157	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		158	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
95		159
96	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
97	be found. It will be added to C<@INC> automatically.	161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		162	unique-items directory, player file directory, random maps directory and
		163	database environment.
98		164
99	=item $cf::NOW	165	=item $cf::NOW
100		166
101	The time of the last (current) server tick.	167	The time of the last (current) server tick.
102		168
103	=item $cf::TICK	169	=item $cf::TICK
104		170
105	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
106		172
		173	=item $cf::LOADAVG
		174
		175	The current CPU load on the server (alpha-smoothed), as a value between 0
		176	(none) and 1 (overloaded), indicating how much time is spent on processing
		177	objects per tick. Healthy values are < 0.5.
		178
		179	=item $cf::LOAD
		180
		181	The raw value load value from the last tick.
		182
107	=item %cf::CFG	183	=item %cf::CFG
108		184
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
110	from wherever your confdir points to.	186	from wherever your confdir points to.
		187
		188	=item cf::wait_for_tick, cf::wait_for_tick_begin
		189
		190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		191	returns directly I<after> the tick processing (and consequently, can only wake one process
		192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
111		199
112	=back	200	=back
113		201
114	=cut	202	=cut
115		203
116	BEGIN {	204	BEGIN {
117	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	206	my $msg = join "", @_;
119	utf8::encode $msg;
120		207
121	$msg .= "\n"	208	$msg .= "\n"
122	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
123		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
124	LOG llevError, $msg;	213	LOG llevError, $msg;
125	};	214	};
126	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
127		231
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	236	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		237	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	238	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
134		239
135	# we bless all objects into (empty) derived classes to force a method lookup	240	# we bless all objects into (empty) derived classes to force a method lookup
136	# within the Safe compartment.	241	# within the Safe compartment.
137	for my $pkg (qw(	242	for my $pkg (qw(
138	cf::global cf::attachable	243	cf::global cf::attachable
…		…
143	)) {	248	)) {
144	no strict 'refs';	249	no strict 'refs';
145	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
146	}	251	}
147		252
148	$Event::DIED = sub {	253	$EV::DIED = sub {
149	warn "error in event callback: @_";	254	warn "error in event callback: @_";
150	};	255	};
151		256
152	my %ext_pkg;	257	#############################################################################
153	my @exts;
154	my @hook;
155		258
156	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
157		260
158	=over 4	261	=over 4
159		262
…		…
178	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
179	$d	282	$d
180	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
181	}	284	}
182		285
183	use JSON::Syck (); # TODO# replace by JSON::PC once working
184
185	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
186		287
187	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
188		289
189	=cut
190
191	sub from_json($) {
192	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
193	JSON::Syck::Load $_[0]
194	}
195
196	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
197		291
198	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
199		293
200	=cut	294	=cut
201		295
202	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
203	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
204	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
205	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
206		300
207	=item cf::lock_wait $string	301	=item cf::lock_wait $string
208		302
209	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
210		304
…		…
213	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
214	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
215	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
216	returned.	310	returned.
217		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
218	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
219	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
220		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
221	=cut	322	=cut
222		323
223	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
224		326
225	sub lock_wait($) {	327	sub lock_wait($) {
226	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
227		334
228	# wait for lock, if any	335	# wait for lock, if any
229	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
230	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
231	Coro::schedule;	338	Coro::schedule;
…		…
237		344
238	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
239	lock_wait $key;	346	lock_wait $key;
240		347
241	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
242		350
243	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
244	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
246	}	355	}
247	}	356	}
248		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
249	sub freeze_mainloop {	364	sub freeze_mainloop {
250	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
251		366
252	my $guard = Coro::guard { $TICK_WATCHER->start };	367	Coro::guard \&tick_inhibit_dec;
253	$TICK_WATCHER->stop;	368	}
254	$guard	369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
		428	}
		429	};
		430
		431	sub get_slot($;$$) {
		432	my ($time, $pri, $name) = @_;
		433
		434	$time = $TICK * .6 if $time > $TICK * .6;
		435	my $sig = new Coro::Signal;
		436
		437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		439	$SLOT_QUEUE->ready;
		440	$sig->wait;
255	}	441	}
256		442
257	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
258		444
259	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
264		450
265	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
266		452
267	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
268		454
269	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
270	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
271	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
272		459
273	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
274	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
275	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
276	fast or be very important.	463	fast or be very important.
…		…
279		466
280	sub sync_job(&) {	467	sub sync_job(&) {
281	my ($job) = @_;	468	my ($job) = @_;
282		469
283	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
		471	my $time = EV::time;
		472
284	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
285	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
286		475
287	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
288	# (but this is cancel-safe)	477
289	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
290		479
291	my $busy = 1;	480	my $busy = 1;
292	my @res;	481	my @res;
293		482
294	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
295	@res = eval { $job->() };	485	@res = eval { $job->() };
296	warn $@ if $@;	486	warn $@ if $@;
297	undef $busy;	487	undef $busy;
298	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
299		489
300	while ($busy) {	490	while ($busy) {
301	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
302	}	495	}
		496	}
		497
		498	my $time = EV::time - $time;
		499
		500	$TICK_START += $time; # do not account sync jobs to server load
303		501
304	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
305	} else {	503	} else {
306	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
307		505
…		…
309	}	507	}
310	}	508	}
311		509
312	=item $coro = cf::async_ext { BLOCK }	510	=item $coro = cf::async_ext { BLOCK }
313		511
314	Like async, but this coro is automcatially being canceled when the	512	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	513	extension calling this is being unloaded.
316		514
317	=cut	515	=cut
318		516
319	sub async_ext(&) {	517	sub async_ext(&) {
…		…
327	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
328		526
329	$coro	527	$coro
330	}	528	}
331		529
332	sub write_runtime {	530	=item fork_call { }, $args
333	my $runtime = cf::localdir . "/runtime";
334		531
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	532	Executes the given code block with the given arguments in a seperate
336	or return;	533	process, returning the results. Everything must be serialisable with
		534	Coro::Storable. May, of course, block. Note that the executed sub may
		535	never block itself or use any form of event handling.
337		536
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	537	=cut
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;
341		538
342	aio_fsync $fh	539	sub fork_call(&@) {
343	and return;	540	my ($cb, @args) = @_;
344		541
345	close $fh	542	# we seemingly have to make a local copy of the whole thing,
346	or return;	543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
347		545
348	aio_rename "$runtime~", $runtime	546	my @res = Coro::Util::fork_eval {
349	and return;	547	reset_signals;
		548	&$cb
		549	}, @args;
350		550
		551	wantarray ? @res : $res[-1]
		552	}
		553
		554	=item $value = cf::db_get $family => $key
		555
		556	Returns a single value from the environment database.
		557
		558	=item cf::db_put $family => $key => $value
		559
		560	Stores the given C<$value> in the family. It can currently store binary
		561	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		562
		563	=item $db = cf::db_table "name"
		564
		565	Create and/or open a new database table. The string must not be "db" and must be unique
		566	within each server.
		567
		568	=cut
		569
		570	sub db_table($) {
		571	my ($name) = @_;
		572	my $db = BDB::db_create $DB_ENV;
		573
		574	eval {
		575	$db->set_flags (BDB::CHKSUM);
		576
		577	utf8::encode $name;
		578	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		579	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		580	cf::cleanup "db_open(db): $!" if $!;
		581	};
		582	cf::cleanup "db_open(db): $@" if $@;
		583
		584	$db
		585	}
		586
		587	our $DB;
		588
		589	sub db_init {
		590	cf::sync_job {
		591	$DB ||= db_table "db";
		592	};
		593	}
		594
		595	sub db_get($$) {
		596	my $key = "$_[0]/$_[1]";
		597
		598	cf::sync_job {
		599	BDB::db_get $DB, undef, $key, my $data;
		600
		601	$! ? ()
		602	: $data
351	1	603	}
		604	}
		605
		606	sub db_put($$$) {
		607	BDB::dbreq_pri 4;
		608	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		609	}
		610
		611	=item cf::cache $id => [$paths...], $processversion => $process
		612
		613	Generic caching function that returns the value of the resource $id,
		614	caching and regenerating as required.
		615
		616	This function can block.
		617
		618	=cut
		619
		620	sub cache {
		621	my ($id, $src, $processversion, $process) = @_;
		622
		623	my $meta =
		624	join "\x00",
		625	$processversion,
		626	map {
		627	aio_stat $_
		628	and Carp::croak "$_: $!";
		629
		630	($_, (stat _)[7,9])
		631	} @$src;
		632
		633	my $dbmeta = db_get cache => "$id/meta";
		634	if ($dbmeta ne $meta) {
		635	# changed, we may need to process
		636
		637	my @data;
		638	my $md5;
		639
		640	for (0 .. $#$src) {
		641	0 <= aio_load $src->[$_], $data[$_]
		642	or Carp::croak "$src->[$_]: $!";
		643	}
		644
		645	# if processing is expensive, check
		646	# checksum first
		647	if (1) {
		648	$md5 =
		649	join "\x00",
		650	$processversion,
		651	map {
		652	cf::cede_to_tick;
		653	($src->[$_], Digest::MD5::md5_hex $data[$_])
		654	} 0.. $#$src;
		655
		656
		657	my $dbmd5 = db_get cache => "$id/md5";
		658	if ($dbmd5 eq $md5) {
		659	db_put cache => "$id/meta", $meta;
		660
		661	return db_get cache => "$id/data";
		662	}
		663	}
		664
		665	my $t1 = Time::HiRes::time;
		666	my $data = $process->(\@data);
		667	my $t2 = Time::HiRes::time;
		668
		669	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		670
		671	db_put cache => "$id/data", $data;
		672	db_put cache => "$id/md5" , $md5;
		673	db_put cache => "$id/meta", $meta;
		674
		675	return $data;
		676	}
		677
		678	db_get cache => "$id/data"
		679	}
		680
		681	=item cf::datalog type => key => value, ...
		682
		683	Log a datalog packet of the given type with the given key-value pairs.
		684
		685	=cut
		686
		687	sub datalog($@) {
		688	my ($type, %kv) = @_;
		689	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
352	}	690	}
353		691
354	=back	692	=back
355		693
356	=cut	694	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	# used to convert map paths into valid unix filenames by repalcing / by ∕
363	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
364
365	sub new {
366	my ($class, $path, $base) = @_;
367
368	$path = $path->as_string if ref $path;
369
370	my $self = bless { }, $class;
371
372	# {... are special paths that are not touched
373	# ?xxx/... are special absolute paths
374	# ?random/... random maps
375	# /! non-realised random map exit
376	# /... normal maps
377	# ~/... per-player maps without a specific player (DO NOT USE)
378	# ~user/... per-player map of a specific user
379
380	if ($path =~ /^{/) {
381	# fine as it is
382	} elsif ($path =~ s{^\?random/}{}) {
383	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
384	$self->{random} = cf::from_json $data;
385	} else {
386	if ($path =~ s{^~([^/]+)?}{}) {
387	$self->{user_rel} = 1;
388
389	if (defined $1) {
390	$self->{user} = $1;
391	} elsif ($base =~ m{^~([^/]+)/}) {
392	$self->{user} = $1;
393	} else {
394	warn "cannot resolve user-relative path without user <$path,$base>\n";
395	}
396	} elsif ($path =~ /^\//) {
397	# already absolute
398	} else {
399	$base =~ s{[^/]+/?$}{};
400	return $class->new ("$base/$path");
401	}
402
403	for ($path) {
404	redo if s{/\.?/}{/};
405	redo if s{/[^/]+/\.\./}{/};
406	}
407	}
408
409	$self->{path} = $path;
410
411	$self
412	}
413
414	# the name / primary key / in-game path
415	sub as_string {
416	my ($self) = @_;
417
418	$self->{user_rel} ? "~$self->{user}$self->{path}"
419	: $self->{random} ? "?random/$self->{path}"
420	: $self->{path}
421	}
422
423	# the displayed name, this is a one way mapping
424	sub visible_name {
425	my ($self) = @_;
426
427	# if (my $rmp = $self->{random}) {
428	# # todo: be more intelligent about this
429	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
430	# } else {
431	$self->as_string
432	# }
433	}
434
435	# escape the /'s in the path
436	sub _escaped_path {
437	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
438	$path
439	}
440
441	# the original (read-only) location
442	sub load_path {
443	my ($self) = @_;
444
445	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
446	}
447
448	# the temporary/swap location
449	sub save_path {
450	my ($self) = @_;
451
452	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
453	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
454	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
455	}
456
457	# the unique path, might be eq to save_path
458	sub uniq_path {
459	my ($self) = @_;
460
461	$self->{user_rel} || $self->{random}
462	? undef
463	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
464	}
465
466	# return random map parameters, or undef
467	sub random_map_params {
468	my ($self) = @_;
469
470	$self->{random}
471	}
472
473	# this is somewhat ugly, but style maps do need special treatment
474	sub is_style_map {
475	$_[0]{path} =~ m{^/styles/}
476	}
477
478	package cf;
479		695
480	#############################################################################	696	#############################################################################
481		697
482	=head2 ATTACHABLE OBJECTS	698	=head2 ATTACHABLE OBJECTS
483		699
…		…
485	attach callbacks/event handlers (a collection of which is called an "attachment")	701	attach callbacks/event handlers (a collection of which is called an "attachment")
486	to it. All such attachable objects support the following methods.	702	to it. All such attachable objects support the following methods.
487		703
488	In the following description, CLASS can be any of C<global>, C<object>	704	In the following description, CLASS can be any of C<global>, C<object>
489	C<player>, C<client> or C<map> (i.e. the attachable objects in	705	C<player>, C<client> or C<map> (i.e. the attachable objects in
490	crossfire+).	706	Deliantra).
491		707
492	=over 4	708	=over 4
493		709
494	=item $attachable->attach ($attachment, key => $value...)	710	=item $attachable->attach ($attachment, key => $value...)
495		711
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	825	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	826	our @CB_MAP = ();
611		827
612	my %attachment;	828	my %attachment;
613		829
		830	sub cf::attachable::thawer_merge {
		831	# simply override everything except _meta
		832	local $_[0]{_meta};
		833	%{$_[0]} = %{$_[1]};
		834	}
		835
614	sub _attach_cb($$$$) {	836	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	837	my ($registry, $event, $prio, $cb) = @_;
616		838
617	use sort 'stable';	839	use sort 'stable';
618		840
…		…
652	$registry = $CB_TYPE[$object_type] ||= [];	874	$registry = $CB_TYPE[$object_type] ||= [];
653		875
654	} elsif ($type eq "subtype") {	876	} elsif ($type eq "subtype") {
655	defined $object_type or Carp::croak "subtype specified without type";	877	defined $object_type or Carp::croak "subtype specified without type";
656	my $object_subtype = shift @arg;	878	my $object_subtype = shift @arg;
657	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	879	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
658		880
659	} elsif ($type eq "package") {	881	} elsif ($type eq "package") {
660	my $pkg = shift @arg;	882	my $pkg = shift @arg;
661		883
662	while (my ($name, $id) = each %cb_id) {	884	while (my ($name, $id) = each %cb_id) {
…		…
691	_attach $registry, $klass, @attach;	913	_attach $registry, $klass, @attach;
692	}	914	}
693		915
694	$obj->{$name} = \%arg;	916	$obj->{$name} = \%arg;
695	} else {	917	} else {
696	warn "object uses attachment '$name' that is not available, postponing.\n";	918	warn "object uses attachment '$name' which is not available, postponing.\n";
697	}	919	}
698		920
699	$obj->{_attachment}{$name} = undef;	921	$obj->{_attachment}{$name} = undef;
700	}	922	}
701		923
…		…
703	if (ref $_[0]) {	925	if (ref $_[0]) {
704	_object_attach @_;	926	_object_attach @_;
705	} else {	927	} else {
706	_attach shift->_attach_registry, @_;	928	_attach shift->_attach_registry, @_;
707	}	929	}
		930	_recalc_want;
708	};	931	};
709		932
710	# all those should be optimised	933	# all those should be optimised
711	sub cf::attachable::detach {	934	sub cf::attachable::detach {
712	my ($obj, $name) = @_;	935	my ($obj, $name) = @_;
…		…
715	delete $obj->{_attachment}{$name};	938	delete $obj->{_attachment}{$name};
716	reattach ($obj);	939	reattach ($obj);
717	} else {	940	} else {
718	Carp::croak "cannot, currently, detach class attachments";	941	Carp::croak "cannot, currently, detach class attachments";
719	}	942	}
		943	_recalc_want;
720	};	944	};
721		945
722	sub cf::attachable::attached {	946	sub cf::attachable::attached {
723	my ($obj, $name) = @_;	947	my ($obj, $name) = @_;
724		948
…		…
739	";	963	";
740	die if $@;	964	die if $@;
741	}	965	}
742		966
743	our $override;	967	our $override;
744	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	968	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
745		969
746	sub override {	970	sub override {
747	$override = 1;	971	$override = 1;
748	@invoke_results = ();	972	@INVOKE_RESULTS = (@_);
749	}	973	}
750		974
751	sub do_invoke {	975	sub do_invoke {
752	my $event = shift;	976	my $event = shift;
753	my $callbacks = shift;	977	my $callbacks = shift;
754		978
755	@invoke_results = ();	979	@INVOKE_RESULTS = ();
756		980
757	local $override;	981	local $override;
758		982
759	for (@$callbacks) {	983	for (@$callbacks) {
760	eval { &{$_->[1]} };	984	eval { &{$_->[1]} };
…		…
769	}	993	}
770		994
771	0	995	0
772	}	996	}
773		997
774	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	998	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
775		999
776	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1000	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
777		1001
778	Generate an object-specific event with the given arguments.	1002	Generate an object-specific event with the given arguments.
779		1003
780	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1004	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
781	removed in future versions), and there is no public API to access override	1005	removed in future versions), and there is no public API to access override
782	results (if you must, access C<@cf::invoke_results> directly).	1006	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
783		1007
784	=back	1008	=back
785		1009
786	=cut	1010	=cut
787		1011
788	#############################################################################	1012	#############################################################################
789	# object support	1013	# object support
		1014
		1015	sub _object_equal($$);
		1016	sub _object_equal($$) {
		1017	my ($a, $b) = @_;
		1018
		1019	return 0 unless (ref $a) eq (ref $b);
		1020
		1021	if ("HASH" eq ref $a) {
		1022	my @ka = keys %$a;
		1023	my @kb = keys %$b;
		1024
		1025	return 0 if @ka != @kb;
		1026
		1027	for (0 .. $#ka) {
		1028	return 0 unless $ka[$_] eq $kb[$_];
		1029	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1030	}
		1031
		1032	} elsif ("ARRAY" eq ref $a) {
		1033
		1034	return 0 if @$a != @$b;
		1035
		1036	for (0 .. $#$a) {
		1037	return 0 unless _object_equal $a->[$_], $b->[$_];
		1038	}
		1039
		1040	} elsif ($a ne $b) {
		1041	return 0;
		1042	}
		1043
		1044	1
		1045	}
		1046
		1047	our $SLOW_MERGES;#d#
		1048	sub _can_merge {
		1049	my ($ob1, $ob2) = @_;
		1050
		1051	++$SLOW_MERGES;#d#
		1052
		1053	# we do the slow way here
		1054	return _object_equal $ob1, $ob2
		1055	}
790		1056
791	sub reattach {	1057	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	1058	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	1059	my ($obj) = @_;
		1060
		1061	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		1062
795	my $registry = $obj->registry;	1063	my $registry = $obj->registry;
796		1064
797	@$registry = ();	1065	@$registry = ();
798		1066
…		…
813	cf::attachable->attach (	1081	cf::attachable->attach (
814	prio => -1000000,	1082	prio => -1000000,
815	on_instantiate => sub {	1083	on_instantiate => sub {
816	my ($obj, $data) = @_;	1084	my ($obj, $data) = @_;
817		1085
818	$data = from_json $data;	1086	$data = decode_json $data;
819		1087
820	for (@$data) {	1088	for (@$data) {
821	my ($name, $args) = @$_;	1089	my ($name, $args) = @$_;
822		1090
823	$obj->attach ($name, %{$args || {} });	1091	$obj->attach ($name, %{$args || {} });
…		…
839	sub object_freezer_save {	1107	sub object_freezer_save {
840	my ($filename, $rdata, $objs) = @_;	1108	my ($filename, $rdata, $objs) = @_;
841		1109
842	sync_job {	1110	sync_job {
843	if (length $$rdata) {	1111	if (length $$rdata) {
		1112	utf8::decode (my $decname = $filename);
844	warn sprintf "saving %s (%d,%d)\n",	1113	warn sprintf "saving %s (%d,%d)\n",
845	$filename, length $$rdata, scalar @$objs;	1114	$decname, length $$rdata, scalar @$objs;
846		1115
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1116	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	1117	chmod SAVE_MODE, $fh;
849	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1118	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
850	aio_fsync $fh;	1119	aio_fsync $fh if $cf::USE_FSYNC;
851	close $fh;	1120	close $fh;
852		1121
853	if (@$objs) {	1122	if (@$objs) {
854	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1123	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
855	chmod SAVE_MODE, $fh;	1124	chmod SAVE_MODE, $fh;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	1125	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
857	aio_write $fh, 0, (length $data), $data, 0;	1126	aio_write $fh, 0, (length $data), $data, 0;
858	aio_fsync $fh;	1127	aio_fsync $fh if $cf::USE_FSYNC;
859	close $fh;	1128	close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	1129	aio_rename "$filename.pst~", "$filename.pst";
861	}	1130	}
862	} else {	1131	} else {
863	aio_unlink "$filename.pst";	1132	aio_unlink "$filename.pst";
…		…
869	}	1138	}
870	} else {	1139	} else {
871	aio_unlink $filename;	1140	aio_unlink $filename;
872	aio_unlink "$filename.pst";	1141	aio_unlink "$filename.pst";
873	}	1142	}
874	}	1143	};
875	}	1144	}
876		1145
877	sub object_freezer_as_string {	1146	sub object_freezer_as_string {
878	my ($rdata, $objs) = @_;	1147	my ($rdata, $objs) = @_;
879		1148
…		…
891	or return;	1160	or return;
892		1161
893	unless (aio_stat "$filename.pst") {	1162	unless (aio_stat "$filename.pst") {
894	(aio_load "$filename.pst", $av) >= 0	1163	(aio_load "$filename.pst", $av) >= 0
895	or return;	1164	or return;
		1165
896	$av = eval { (Storable::thaw $av)->{objs} };	1166	my $st = eval { Coro::Storable::thaw $av };
		1167	$av = $st->{objs};
897	}	1168	}
898		1169
		1170	utf8::decode (my $decname = $filename);
899	warn sprintf "loading %s (%d)\n",	1171	warn sprintf "loading %s (%d,%d)\n",
900	$filename, length $data, scalar @{$av || []};#d#	1172	$decname, length $data, scalar @{$av || []};
		1173
901	return ($data, $av);	1174	($data, $av)
902	}	1175	}
		1176
		1177	=head2 COMMAND CALLBACKS
		1178
		1179	=over 4
		1180
		1181	=cut
903		1182
904	#############################################################################	1183	#############################################################################
905	# command handling &c	1184	# command handling &c
906		1185
907	=item cf::register_command $name => \&callback($ob,$args);	1186	=item cf::register_command $name => \&callback($ob,$args);
…		…
920	push @{ $COMMAND{$name} }, [$caller, $cb];	1199	push @{ $COMMAND{$name} }, [$caller, $cb];
921	}	1200	}
922		1201
923	=item cf::register_extcmd $name => \&callback($pl,$packet);	1202	=item cf::register_extcmd $name => \&callback($pl,$packet);
924		1203
925	Register a callbackf ro execution when the client sends an extcmd packet.	1204	Register a callback for execution when the client sends an (synchronous)
		1205	extcmd packet. Ext commands will be processed in the order they are
		1206	received by the server, like other user commands. The first argument is
		1207	the logged-in player. Ext commands can only be processed after a player
		1208	has logged in successfully.
926		1209
927	If the callback returns something, it is sent back as if reply was being	1210	If the callback returns something, it is sent back as if reply was being
928	called.	1211	called.
929		1212
		1213	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1214
		1215	Register a callback for execution when the client sends an (asynchronous)
		1216	exticmd packet. Exti commands are processed by the server as soon as they
		1217	are received, i.e. out of order w.r.t. other commands. The first argument
		1218	is a client socket. Exti commands can be received anytime, even before
		1219	log-in.
		1220
		1221	If the callback returns something, it is sent back as if reply was being
		1222	called.
		1223
930	=cut	1224	=cut
931		1225
932	sub register_extcmd {	1226	sub register_extcmd {
933	my ($name, $cb) = @_;	1227	my ($name, $cb) = @_;
934		1228
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	1229	$EXTCMD{$name} = $cb;
		1230	}
		1231
		1232	sub register_exticmd {
		1233	my ($name, $cb) = @_;
		1234
		1235	$EXTICMD{$name} = $cb;
939	}	1236	}
940		1237
941	cf::player->attach (	1238	cf::player->attach (
942	on_command => sub {	1239	on_command => sub {
943	my ($pl, $name, $params) = @_;	1240	my ($pl, $name, $params) = @_;
…		…
952	cf::override;	1249	cf::override;
953	},	1250	},
954	on_extcmd => sub {	1251	on_extcmd => sub {
955	my ($pl, $buf) = @_;	1252	my ($pl, $buf) = @_;
956		1253
957	my $msg = eval { from_json $buf };	1254	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
958		1255
959	if (ref $msg) {	1256	if (ref $msg) {
		1257	my ($type, $reply, @payload) =
		1258	"ARRAY" eq ref $msg
		1259	? @$msg
		1260	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1261
		1262	my @reply;
		1263
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1264	if (my $cb = $EXTCMD{$type}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	1265	@reply = $cb->($pl, @payload);
962	$pl->ext_reply ($msg->{msgid}, %reply);
963	}
964	}	1266	}
		1267
		1268	$pl->ext_reply ($reply, @reply)
		1269	if $reply;
		1270
965	} else {	1271	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1272	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
967	}	1273	}
968		1274
969	cf::override;	1275	cf::override;
970	},	1276	},
971	);	1277	);
972		1278
973	sub register {
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {
980	my ($path) = @_;
981
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
983	my $base = $1;
984	my $pkg = $1;
985	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";
987
988	warn "loading '$path' into '$pkg'\n";
989
990	open my $fh, "<:utf8", $path
991	or die "$path: $!";
992
993	my $source =
994	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })
997	. "\n};\n1";
998
999	eval $source
1000	or die $@ ? "$path: $@\n"
1001	: "extension disabled.\n";
1002
1003	push @exts, $pkg;
1004	$ext_pkg{$base} = $pkg;
1005
1006	# no strict 'refs';
1007	# @{"$pkg\::ISA"} = ext::;
1008
1009	register $base, $pkg;
1010	}
1011
1012	sub unload_extension {
1013	my ($pkg) = @_;
1014
1015	warn "removing extension $pkg\n";
1016
1017	# remove hooks
1018	#TODO
1019	# for my $idx (0 .. $#PLUGIN_EVENT) {
1020	# delete $hook[$idx]{$pkg};
1021	# }
1022
1023	# remove commands
1024	for my $name (keys %COMMAND) {
1025	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1026
1027	if (@cb) {
1028	$COMMAND{$name} = \@cb;
1029	} else {
1030	delete $COMMAND{$name};
1031	}
1032	}
1033
1034	# remove extcmds
1035	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1036	delete $EXTCMD{$name};
1037	}
1038
1039	if (my $cb = $pkg->can ("unload")) {
1040	eval {
1041	$cb->($pkg);
1042	1
1043	} or warn "$pkg unloaded, but with errors: $@";
1044	}
1045
1046	Symbol::delete_package $pkg;
1047	}
1048
1049	sub load_extensions {	1279	sub load_extensions {
		1280	cf::sync_job {
		1281	my %todo;
		1282
1050	for my $ext (<$LIBDIR/*.ext>) {	1283	for my $path (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	1284	next unless -r $path;
1052	eval {	1285
1053	load_extension $ext;	1286	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1287	my $base = $1;
		1288	my $pkg = $1;
		1289	$pkg =~ s/[^[:word:]]/_/g;
		1290	$pkg = "ext::$pkg";
		1291
		1292	open my $fh, "<:utf8", $path
		1293	or die "$path: $!";
		1294
		1295	my $source = do { local $/; <$fh> };
		1296
		1297	my %ext = (
		1298	path => $path,
		1299	base => $base,
		1300	pkg => $pkg,
		1301	);
		1302
		1303	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1304	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1305
		1306	$ext{source} =
		1307	"package $pkg; use strict; use utf8;\n"
		1308	. "#line 1 \"$path\"\n{\n"
		1309	. $source
		1310	. "\n};\n1";
		1311
		1312	$todo{$base} = \%ext;
		1313	}
		1314
		1315	my %done;
		1316	while (%todo) {
		1317	my $progress;
		1318
		1319	while (my ($k, $v) = each %todo) {
		1320	for (split /,\s*/, $v->{meta}{depends}) {
		1321	goto skip
		1322	unless exists $done{$_};
		1323	}
		1324
		1325	warn "... loading '$k' into '$v->{pkg}'\n";
		1326
		1327	unless (eval $v->{source}) {
		1328	my $msg = $@ ? "$v->{path}: $@\n"
		1329	: "$v->{base}: extension inactive.\n";
		1330
		1331	if (exists $v->{meta}{mandatory}) {
		1332	warn $msg;
		1333	cf::cleanup "mandatory extension failed to load, exiting.";
		1334	}
		1335
		1336	warn $msg;
		1337	}
		1338
		1339	$done{$k} = delete $todo{$k};
		1340	push @EXTS, $v->{pkg};
		1341	$progress = 1;
1054	1	1342	}
1055	} or warn "$ext not loaded: $@";	1343
		1344	skip:
		1345	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1346	unless $progress;
		1347	}
1056	}	1348	};
1057	}	1349	}
1058		1350
1059	#############################################################################	1351	#############################################################################
1060	# load/save/clean perl data associated with a map
1061		1352
1062	*cf::mapsupport::on_clean = sub {	1353	=back
1063	my ($map) = @_;
1064
1065	my $path = $map->tmpname;
1066	defined $path or return;
1067
1068	unlink "$path.pst";
1069	};
1070
1071	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1072
1073	#############################################################################
1074	# load/save perl data associated with player->ob objects
1075
1076	sub all_objects(@) {
1077	@_, map all_objects ($_->inv), @_
1078	}
1079
1080	# TODO: compatibility cruft, remove when no longer needed
1081	cf::player->attach (
1082	on_load => sub {
1083	my ($pl, $path) = @_;
1084
1085	for my $o (all_objects $pl->ob) {
1086	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1087	$o->set_ob_key_value ("_perl_data");
1088
1089	%$o = %{ Storable::thaw pack "H*", $value };
1090	}
1091	}
1092	},
1093	);
1094
1095	#############################################################################
1096		1354
1097	=head2 CORE EXTENSIONS	1355	=head2 CORE EXTENSIONS
1098		1356
1099	Functions and methods that extend core crossfire objects.	1357	Functions and methods that extend core crossfire objects.
1100		1358
…		…
1106		1364
1107	=head3 cf::player	1365	=head3 cf::player
1108		1366
1109	=over 4	1367	=over 4
1110		1368
		1369	=item cf::player::num_playing
		1370
		1371	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1372
		1373	=cut
		1374
		1375	sub num_playing {
		1376	scalar grep
		1377	$_->ob->map
		1378	&& !$_->hidden
		1379	&& !$_->ob->flag (cf::FLAG_WIZ),
		1380	cf::player::list
		1381	}
		1382
1111	=item cf::player::find $login	1383	=item cf::player::find $login
1112		1384
1113	Returns the given player object, loading it if necessary (might block).	1385	Returns the given player object, loading it if necessary (might block).
1114		1386
1115	=cut	1387	=cut
1116		1388
1117	sub playerdir($) {	1389	sub playerdir($) {
1118	cf::localdir	1390	"$PLAYERDIR/"
1119	. "/"
1120	. cf::playerdir
1121	. "/"
1122	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1391	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1123	}	1392	}
1124		1393
1125	sub path($) {	1394	sub path($) {
1126	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1395	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1127		1396
1128	(playerdir $login) . "/$login.pl"	1397	(playerdir $login) . "/playerdata"
1129	}	1398	}
1130		1399
1131	sub find_active($) {	1400	sub find_active($) {
1132	$cf::PLAYER{$_[0]}	1401	$cf::PLAYER{$_[0]}
1133	and $cf::PLAYER{$_[0]}->active	1402	and $cf::PLAYER{$_[0]}->active
…		…
1136		1405
1137	sub exists($) {	1406	sub exists($) {
1138	my ($login) = @_;	1407	my ($login) = @_;
1139		1408
1140	$cf::PLAYER{$login}	1409	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	1410	or cf::sync_job { !aio_stat path $login }
1142	}	1411	}
1143		1412
1144	sub find($) {	1413	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	1414	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	1415	my $login = $_[0];
1147		1416
1148	my $guard = cf::lock_acquire "user_find:$login";	1417	my $guard = cf::lock_acquire "user_find:$login";
1149		1418
1150	$cf::PLAYER{$_[0]} || do {	1419	$cf::PLAYER{$_[0]} || do {
1151	my $pl = load_pl path $login	1420	# rename old playerfiles to new ones
		1421	#TODO: remove when no longer required
		1422	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1423	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1424	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1425	aio_unlink +(playerdir $login) . "/$login.pl";
		1426
		1427	my $f = new_from_file cf::object::thawer path $login
1152	or return;	1428	or return;
		1429
		1430	my $pl = cf::player::load_pl $f
		1431	or return;
		1432	local $cf::PLAYER_LOADING{$login} = $pl;
		1433	$f->resolve_delayed_derefs;
1153	$cf::PLAYER{$login} = $pl	1434	$cf::PLAYER{$login} = $pl
1154	}	1435	}
1155	}	1436	}
1156	}	1437	}
1157		1438
…		…
1167		1448
1168	aio_mkdir playerdir $pl, 0770;	1449	aio_mkdir playerdir $pl, 0770;
1169	$pl->{last_save} = $cf::RUNTIME;	1450	$pl->{last_save} = $cf::RUNTIME;
1170		1451
1171	$pl->save_pl ($path);	1452	$pl->save_pl ($path);
1172	Coro::cede;	1453	cf::cede_to_tick;
1173	}	1454	}
1174		1455
1175	sub new($) {	1456	sub new($) {
1176	my ($login) = @_;	1457	my ($login) = @_;
1177		1458
…		…
1183	$cf::PLAYER{$login} = $self;	1464	$cf::PLAYER{$login} = $self;
1184		1465
1185	$self	1466	$self
1186	}	1467	}
1187		1468
		1469	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1470
		1471	=cut
		1472
		1473	sub send_msg {
		1474	my $ns = shift->ns
		1475	or return;
		1476	$ns->send_msg (@_);
		1477	}
		1478
1188	=item $pl->quit_character	1479	=item $pl->quit_character
1189		1480
1190	Nukes the player without looking back. If logged in, the connection will	1481	Nukes the player without looking back. If logged in, the connection will
1191	be destroyed. May block for a long time.	1482	be destroyed. May block for a long time.
1192		1483
1193	=cut	1484	=cut
1194		1485
1195	sub quit_character {	1486	sub quit_character {
1196	my ($pl) = @_;	1487	my ($pl) = @_;
		1488
		1489	my $name = $pl->ob->name;
1197		1490
1198	$pl->{deny_save} = 1;	1491	$pl->{deny_save} = 1;
1199	$pl->password ("*"); # this should lock out the player until we nuked the dir	1492	$pl->password ("*"); # this should lock out the player until we nuked the dir
1200		1493
1201	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1494	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1206	my $path = playerdir $pl;	1499	my $path = playerdir $pl;
1207	my $temp = "$path~$cf::RUNTIME~deleting~";	1500	my $temp = "$path~$cf::RUNTIME~deleting~";
1208	aio_rename $path, $temp;	1501	aio_rename $path, $temp;
1209	delete $cf::PLAYER{$pl->ob->name};	1502	delete $cf::PLAYER{$pl->ob->name};
1210	$pl->destroy;	1503	$pl->destroy;
		1504
		1505	my $prefix = qr<^~\Q$name\E/>;
		1506
		1507	# nuke player maps
		1508	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1509
1211	IO::AIO::aio_rmtree $temp;	1510	IO::AIO::aio_rmtree $temp;
		1511	}
		1512
		1513	=item $pl->kick
		1514
		1515	Kicks a player out of the game. This destroys the connection.
		1516
		1517	=cut
		1518
		1519	sub kick {
		1520	my ($pl, $kicker) = @_;
		1521
		1522	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1523	$pl->killer ("kicked");
		1524	$pl->ns->destroy;
1212	}	1525	}
1213		1526
1214	=item cf::player::list_logins	1527	=item cf::player::list_logins
1215		1528
1216	Returns am arrayref of all valid playernames in the system, can take a	1529	Returns am arrayref of all valid playernames in the system, can take a
1217	while and may block, so not sync_job-capable, ever.	1530	while and may block, so not sync_job-capable, ever.
1218		1531
1219	=cut	1532	=cut
1220		1533
1221	sub list_logins {	1534	sub list_logins {
1222	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1535	my $dirs = aio_readdir $PLAYERDIR
1223	or return [];	1536	or return [];
1224		1537
1225	my @logins;	1538	my @logins;
1226		1539
1227	for my $login (@$dirs) {	1540	for my $login (@$dirs) {
		1541	my $path = path $login;
		1542
		1543	# a .pst is a dead give-away for a valid player
		1544	unless (-e "$path.pst") {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1545	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1546	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1547	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1548	}
1231		1549
1232	utf8::decode $login;	1550	utf8::decode $login;
1233	push @logins, $login;	1551	push @logins, $login;
1234	}	1552	}
1235		1553
1236	\@logins	1554	\@logins
1237	}	1555	}
1238		1556
1239	=item $player->maps	1557	=item $player->maps
1240		1558
1241	Returns an arrayref of cf::path's of all maps that are private for this	1559	Returns an arrayref of map paths that are private for this
1242	player. May block.	1560	player. May block.
1243		1561
1244	=cut	1562	=cut
1245		1563
1246	sub maps($) {	1564	sub maps($) {
1247	my ($pl) = @_;	1565	my ($pl) = @_;
		1566
		1567	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1568
1249	my $files = aio_readdir playerdir $pl	1569	my $files = aio_readdir playerdir $pl
1250	or return;	1570	or return;
1251		1571
1252	my @paths;	1572	my @paths;
1253		1573
1254	for (@$files) {	1574	for (@$files) {
1255	utf8::decode $_;	1575	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1576	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1577	next unless /^$PATH_SEP/o;
1258		1578
1259	s/$PATH_SEP/\//g;	1579	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1580	}
1262		1581
1263	\@paths	1582	\@paths
1264	}	1583	}
1265		1584
		1585	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1586
		1587	Expand crossfire pod fragments into protocol xml.
		1588
		1589	=cut
		1590
		1591	use re 'eval';
		1592
		1593	my $group;
		1594	my $interior; $interior = qr{
		1595	# match a pod interior sequence sans C<< >>
		1596	(?:
		1597	\ (.*?)\ (?{ $group = $^N })
		1598	| < (??{$interior}) >
		1599	)
		1600	}x;
		1601
		1602	sub expand_cfpod {
		1603	my ($self, $pod) = @_;
		1604
		1605	my $xml;
		1606
		1607	while () {
		1608	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1609	$group = $1;
		1610
		1611	$group =~ s/&/&amp;/g;
		1612	$group =~ s/</&lt;/g;
		1613
		1614	$xml .= $group;
		1615	} elsif ($pod =~ m%\G
		1616	([BCGHITU])
		1617	<
		1618	(?:
		1619	([^<>]*) (?{ $group = $^N })
		1620	| < $interior >
		1621	)
		1622	>
		1623	%gcsx
		1624	) {
		1625	my ($code, $data) = ($1, $group);
		1626
		1627	if ($code eq "B") {
		1628	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1629	} elsif ($code eq "I") {
		1630	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1631	} elsif ($code eq "U") {
		1632	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1633	} elsif ($code eq "C") {
		1634	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1635	} elsif ($code eq "T") {
		1636	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1637	} elsif ($code eq "G") {
		1638	my ($male, $female) = split /\|/, $data;
		1639	$data = $self->gender ? $female : $male;
		1640	$xml .= expand_cfpod ($self, $data);
		1641	} elsif ($code eq "H") {
		1642	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1643	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1644	"")
		1645	[$self->{hintmode}];
		1646	} else {
		1647	$xml .= "error processing '$code($data)' directive";
		1648	}
		1649	} else {
		1650	if ($pod =~ /\G(.+)/) {
		1651	warn "parse error while expanding $pod (at $1)";
		1652	}
		1653	last;
		1654	}
		1655	}
		1656
		1657	for ($xml) {
		1658	# create single paragraphs (very hackish)
		1659	s/(?<=\S)\n(?=\w)/ /g;
		1660
		1661	# compress some whitespace
		1662	s/\s+\n/\n/g; # ws line-ends
		1663	s/\n\n+/\n/g; # double lines
		1664	s/^\n+//; # beginning lines
		1665	s/\n+$//; # ending lines
		1666	}
		1667
		1668	$xml
		1669	}
		1670
		1671	no re 'eval';
		1672
		1673	sub hintmode {
		1674	$_[0]{hintmode} = $_[1] if @_ > 1;
		1675	$_[0]{hintmode}
		1676	}
		1677
1266	=item $player->ext_reply ($msgid, $msgtype, %msg)	1678	=item $player->ext_reply ($msgid, @msg)
1267		1679
1268	Sends an ext reply to the player.	1680	Sends an ext reply to the player.
1269		1681
1270	=cut	1682	=cut
1271		1683
1272	sub ext_reply($$$%) {	1684	sub ext_reply($$@) {
1273	my ($self, $id, %msg) = @_;	1685	my ($self, $id, @msg) = @_;
1274		1686
1275	$msg{msgid} = $id;	1687	$self->ns->ext_reply ($id, @msg)
1276
1277	$self->send ("ext " . cf::to_json \%msg);
1278	}	1688	}
1279		1689
1280	package cf;	1690	=item $player->ext_msg ($type, @msg)
		1691
		1692	Sends an ext event to the client.
		1693
		1694	=cut
		1695
		1696	sub ext_msg($$@) {
		1697	my ($self, $type, @msg) = @_;
		1698
		1699	$self->ns->ext_msg ($type, @msg);
		1700	}
		1701
		1702	=head3 cf::region
		1703
		1704	=over 4
		1705
		1706	=cut
		1707
		1708	package cf::region;
		1709
		1710	=item cf::region::find_by_path $path
		1711
		1712	Tries to decuce the likely region for a map knowing only its path.
		1713
		1714	=cut
		1715
		1716	sub find_by_path($) {
		1717	my ($path) = @_;
		1718
		1719	my ($match, $specificity);
		1720
		1721	for my $region (list) {
		1722	if ($region->{match} && $path =~ $region->{match}) {
		1723	($match, $specificity) = ($region, $region->specificity)
		1724	if $region->specificity > $specificity;
		1725	}
		1726	}
		1727
		1728	$match
		1729	}
1281		1730
1282	=back	1731	=back
1283
1284		1732
1285	=head3 cf::map	1733	=head3 cf::map
1286		1734
1287	=over 4	1735	=over 4
1288		1736
…		…
1291	package cf::map;	1739	package cf::map;
1292		1740
1293	use Fcntl;	1741	use Fcntl;
1294	use Coro::AIO;	1742	use Coro::AIO;
1295		1743
		1744	use overload
		1745	'""' => \&as_string,
		1746	fallback => 1;
		1747
1296	our $MAX_RESET = 3600;	1748	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1749	our $DEFAULT_RESET = 3000;
1298		1750
1299	sub generate_random_map {	1751	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1752	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1753	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1754	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1755	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1756	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1757	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1758	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1759	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1760	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1761	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1762	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1763	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1764	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1765	(cf::region::find $rmp->{region}), $rmp->{custom}
		1766	)
		1767	}
		1768
		1769	=item cf::map->register ($regex, $prio)
		1770
		1771	Register a handler for the map path matching the given regex at the
		1772	givne priority (higher is better, built-in handlers have priority 0, the
		1773	default).
		1774
		1775	=cut
		1776
		1777	sub register {
		1778	my (undef, $regex, $prio) = @_;
		1779	my $pkg = caller;
		1780
		1781	no strict;
		1782	push @{"$pkg\::ISA"}, __PACKAGE__;
		1783
		1784	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1785	}
		1786
		1787	# also paths starting with '/'
		1788	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1789
		1790	sub thawer_merge {
		1791	my ($self, $merge) = @_;
		1792
		1793	# we have to keep some variables in memory intact
		1794	local $self->{path};
		1795	local $self->{load_path};
		1796
		1797	$self->SUPER::thawer_merge ($merge);
		1798	}
		1799
		1800	sub normalise {
		1801	my ($path, $base) = @_;
		1802
		1803	$path = "$path"; # make sure its a string
		1804
		1805	$path =~ s/\.map$//;
		1806
		1807	# map plan:
		1808	#
		1809	# /! non-realised random map exit (special hack!)
		1810	# {... are special paths that are not being touched
		1811	# ?xxx/... are special absolute paths
		1812	# ?random/... random maps
		1813	# /... normal maps
		1814	# ~user/... per-player map of a specific user
		1815
		1816	$path =~ s/$PATH_SEP/\//go;
		1817
		1818	# treat it as relative path if it starts with
		1819	# something that looks reasonable
		1820	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1821	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1822
		1823	$base =~ s{[^/]+/?$}{};
		1824	$path = "$base/$path";
		1825	}
		1826
		1827	for ($path) {
		1828	redo if s{//}{/};
		1829	redo if s{/\.?/}{/};
		1830	redo if s{/[^/]+/\.\./}{/};
		1831	}
		1832
		1833	$path
		1834	}
		1835
		1836	sub new_from_path {
		1837	my (undef, $path, $base) = @_;
		1838
		1839	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1840
		1841	$path = normalise $path, $base;
		1842
		1843	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1844	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1845	my $self = bless cf::map::new, $pkg;
		1846	$self->{path} = $path; $self->path ($path);
		1847	$self->init; # pass $1 etc.
		1848	return $self;
		1849	}
		1850	}
		1851
		1852	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1853	()
		1854	}
		1855
		1856	sub init {
		1857	my ($self) = @_;
		1858
		1859	$self
		1860	}
		1861
		1862	sub as_string {
		1863	my ($self) = @_;
		1864
		1865	"$self->{path}"
		1866	}
		1867
		1868	# the displayed name, this is a one way mapping
		1869	sub visible_name {
		1870	&as_string
		1871	}
		1872
		1873	# the original (read-only) location
		1874	sub load_path {
		1875	my ($self) = @_;
		1876
		1877	"$MAPDIR/$self->{path}.map"
		1878	}
		1879
		1880	# the temporary/swap location
		1881	sub save_path {
		1882	my ($self) = @_;
		1883
		1884	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1885	"$TMPDIR/$path.map"
		1886	}
		1887
		1888	# the unique path, undef == no special unique path
		1889	sub uniq_path {
		1890	my ($self) = @_;
		1891
		1892	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1893	"$UNIQUEDIR/$path"
1316	}	1894	}
1317		1895
1318	# and all this just because we cannot iterate over	1896	# and all this just because we cannot iterate over
1319	# all maps in C++...	1897	# all maps in C++...
1320	sub change_all_map_light {	1898	sub change_all_map_light {
…		…
1322		1900
1323	$_->change_map_light ($change)	1901	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1902	for grep $_->outdoor, values %cf::MAP;
1325	}	1903	}
1326		1904
		1905	sub decay_objects {
		1906	my ($self) = @_;
		1907
		1908	return if $self->{deny_reset};
		1909
		1910	$self->do_decay_objects;
		1911	}
		1912
		1913	sub unlink_save {
		1914	my ($self) = @_;
		1915
		1916	utf8::encode (my $save = $self->save_path);
		1917	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1918	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1919	}
		1920
1327	sub try_load_header($) {	1921	sub load_header_from($) {
1328	my ($path) = @_;	1922	my ($self, $path) = @_;
1329		1923
1330	utf8::encode $path;	1924	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1925	my $f = new_from_file cf::object::thawer $path
1332	or return;	1926	or return;
1333		1927
1334	my $map = cf::map::new	1928	$self->_load_header ($f)
1335	or return;	1929	or return;
1336		1930
1337	# for better error messages only, will be overwritten	1931	local $MAP_LOADING{$self->{path}} = $self;
1338	$map->path ($path);	1932	$f->resolve_delayed_derefs;
1339		1933
1340	$map->load_header ($path)	1934	$self->{load_path} = $path;
		1935
		1936	1
		1937	}
		1938
		1939	sub load_header_orig {
		1940	my ($self) = @_;
		1941
		1942	$self->load_header_from ($self->load_path)
		1943	}
		1944
		1945	sub load_header_temp {
		1946	my ($self) = @_;
		1947
		1948	$self->load_header_from ($self->save_path)
		1949	}
		1950
		1951	sub prepare_temp {
		1952	my ($self) = @_;
		1953
		1954	$self->last_access ((delete $self->{last_access})
		1955	|| $cf::RUNTIME); #d#
		1956	# safety
		1957	$self->{instantiate_time} = $cf::RUNTIME
		1958	if $self->{instantiate_time} > $cf::RUNTIME;
		1959	}
		1960
		1961	sub prepare_orig {
		1962	my ($self) = @_;
		1963
		1964	$self->{load_original} = 1;
		1965	$self->{instantiate_time} = $cf::RUNTIME;
		1966	$self->last_access ($cf::RUNTIME);
		1967	$self->instantiate;
		1968	}
		1969
		1970	sub load_header {
		1971	my ($self) = @_;
		1972
		1973	if ($self->load_header_temp) {
		1974	$self->prepare_temp;
		1975	} else {
		1976	$self->load_header_orig
1341	or return;	1977	or return;
		1978	$self->prepare_orig;
		1979	}
1342		1980
1343	$map->{load_path} = $path;	1981	$self->{deny_reset} = 1
		1982	if $self->no_reset;
1344		1983
1345	$map	1984	$self->default_region (cf::region::find_by_path $self->{path})
		1985	unless $self->default_region;
		1986
		1987	1
1346	}	1988	}
1347		1989
1348	sub find;	1990	sub find;
1349	sub find {	1991	sub find {
1350	my ($path, $origin) = @_;	1992	my ($path, $origin) = @_;
1351		1993
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1994	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1995
		1996	cf::lock_wait "map_data:$path";#d#remove
1357	cf::lock_wait "map_find:$key";	1997	cf::lock_wait "map_find:$path";
1358		1998
1359	$cf::MAP{$key} || do {	1999	$cf::MAP{$path} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	2000	my $guard1 = cf::lock_acquire "map_find:$path";
		2001	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1361		2002
1362	# do it the slow way	2003	my $map = new_from_path cf::map $path
1363	my $map = try_load_header $path->save_path;
1364
1365	Coro::cede;
1366
1367	if ($map) {
1368	$map->last_access ((delete $map->{last_access})
1369	|| $cf::RUNTIME); #d#
1370	# safety
1371	$map->{instantiate_time} = $cf::RUNTIME
1372	if $map->{instantiate_time} > $cf::RUNTIME;
1373	} else {
1374	if (my $rmp = $path->random_map_params) {
1375	$map = generate_random_map $key, $rmp;
1376	} else {
1377	$map = try_load_header $path->load_path;
1378	}
1379
1380	$map or return;	2004	or return;
1381		2005
1382	$map->{load_original} = 1;
1383	$map->{instantiate_time} = $cf::RUNTIME;
1384	$map->last_access ($cf::RUNTIME);
1385	$map->instantiate;
1386
1387	# per-player maps become, after loading, normal maps
1388	$map->per_player (0) if $path->{user_rel};
1389	}
1390
1391	$map->path ($key);
1392	$map->{path} = $path;
1393	$map->{last_save} = $cf::RUNTIME;	2006	$map->{last_save} = $cf::RUNTIME;
1394		2007
1395	Coro::cede;	2008	$map->load_header
		2009	or return;
1396		2010
1397	if ($map->should_reset) {	2011	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2012	# doing this can freeze the server in a sync job, obviously
		2013	#$cf::WAIT_FOR_TICK->wait;
		2014	undef $guard1;
		2015	undef $guard2;
1398	$map->reset;	2016	$map->reset;
1399	undef $guard;
1400	$map = find $path	2017	return find $path;
1401	or return;
1402	}	2018	}
1403		2019
1404	$cf::MAP{$key} = $map	2020	$cf::MAP{$path} = $map
1405	}	2021	}
1406	}	2022	}
		2023
		2024	sub pre_load { }
		2025	sub post_load { }
1407		2026
1408	sub load {	2027	sub load {
1409	my ($self) = @_;	2028	my ($self) = @_;
1410		2029
		2030	local $self->{deny_reset} = 1; # loading can take a long time
		2031
1411	my $path = $self->{path};	2032	my $path = $self->{path};
		2033
		2034	{
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2035	my $guard = cf::lock_acquire "map_data:$path";
1413		2036
		2037	return unless $self->valid;
1414	return if $self->in_memory != cf::MAP_SWAPPED;	2038	return unless $self->in_memory == cf::MAP_SWAPPED;
1415		2039
1416	$self->in_memory (cf::MAP_LOADING);	2040	$self->in_memory (cf::MAP_LOADING);
1417		2041
1418	$self->alloc;	2042	$self->alloc;
1419	$self->load_objects ($self->{load_path}, 1)	2043
		2044	$self->pre_load;
		2045	cf::cede_to_tick;
		2046
		2047	my $f = new_from_file cf::object::thawer $self->{load_path};
		2048	$f->skip_block;
		2049	$self->_load_objects ($f)
1420	or return;	2050	or return;
1421		2051
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2052	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	2053	if delete $self->{load_original};
1424		2054
1425	if (my $uniq = $path->uniq_path) {	2055	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	2056	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	2057	unless (aio_stat $uniq) {
		2058	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	2059	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	2060	$self->_load_objects ($f);
		2061	$f->resolve_delayed_derefs;
		2062	}
1430	}	2063	}
1431	}	2064	}
1432		2065
1433	Coro::cede;	2066	$f->resolve_delayed_derefs;
1434		2067
		2068	cf::cede_to_tick;
1435	# now do the right thing for maps	2069	# now do the right thing for maps
1436	$self->link_multipart_objects;	2070	$self->link_multipart_objects;
1437
1438	if ($self->{path}->is_style_map) {
1439	$self->{deny_save} = 1;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;
1445	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	2071	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	2072	unless $self->difficulty;
		2073	cf::cede_to_tick;
		2074
		2075	unless ($self->{deny_activate}) {
		2076	$self->decay_objects;
		2077	$self->fix_auto_apply;
		2078	$self->update_buttons;
		2079	cf::cede_to_tick;
		2080	$self->set_darkness_map;
		2081	cf::cede_to_tick;
1448	$self->activate;	2082	$self->activate;
1449	}	2083	}
1450		2084
1451	Coro::cede;	2085	$self->{last_save} = $cf::RUNTIME;
		2086	$self->last_access ($cf::RUNTIME);
1452		2087
1453	$self->in_memory (cf::MAP_IN_MEMORY);	2088	$self->in_memory (cf::MAP_IN_MEMORY);
		2089	}
		2090
		2091	$self->post_load;
		2092	}
		2093
		2094	sub customise_for {
		2095	my ($self, $ob) = @_;
		2096
		2097	return find "~" . $ob->name . "/" . $self->{path}
		2098	if $self->per_player;
		2099
		2100	# return find "?party/" . $ob->name . "/" . $self->{path}
		2101	# if $self->per_party;
		2102
		2103	$self
		2104	}
		2105
		2106	# find and load all maps in the 3x3 area around a map
		2107	sub load_neighbours {
		2108	my ($map) = @_;
		2109
		2110	my @neigh; # diagonal neighbours
		2111
		2112	for (0 .. 3) {
		2113	my $neigh = $map->tile_path ($_)
		2114	or next;
		2115	$neigh = find $neigh, $map
		2116	or next;
		2117	$neigh->load;
		2118
		2119	push @neigh,
		2120	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2121	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2122	}
		2123
		2124	for (grep defined $_->[0], @neigh) {
		2125	my ($path, $origin) = @$_;
		2126	my $neigh = find $path, $origin
		2127	or next;
		2128	$neigh->load;
		2129	}
1454	}	2130	}
1455		2131
1456	sub find_sync {	2132	sub find_sync {
1457	my ($path, $origin) = @_;	2133	my ($path, $origin) = @_;
1458		2134
1459	cf::sync_job { cf::map::find $path, $origin }	2135	cf::sync_job { find $path, $origin }
1460	}	2136	}
1461		2137
1462	sub do_load_sync {	2138	sub do_load_sync {
1463	my ($map) = @_;	2139	my ($map) = @_;
1464		2140
		2141	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2142	if $Coro::current == $Coro::main;
		2143
1465	cf::sync_job { $map->load };	2144	cf::sync_job { $map->load };
		2145	}
		2146
		2147	our %MAP_PREFETCH;
		2148	our $MAP_PREFETCHER = undef;
		2149
		2150	sub find_async {
		2151	my ($path, $origin, $load) = @_;
		2152
		2153	$path = normalise $path, $origin && $origin->{path};
		2154
		2155	if (my $map = $cf::MAP{$path}) {
		2156	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2157	}
		2158
		2159	$MAP_PREFETCH{$path} |= $load;
		2160
		2161	$MAP_PREFETCHER ||= cf::async {
		2162	$Coro::current->{desc} = "map prefetcher";
		2163
		2164	while (%MAP_PREFETCH) {
		2165	while (my ($k, $v) = each %MAP_PREFETCH) {
		2166	if (my $map = find $k) {
		2167	$map->load if $v;
		2168	}
		2169
		2170	delete $MAP_PREFETCH{$k};
		2171	}
		2172	}
		2173	undef $MAP_PREFETCHER;
		2174	};
		2175	$MAP_PREFETCHER->prio (6);
		2176
		2177	()
1466	}	2178	}
1467		2179
1468	sub save {	2180	sub save {
1469	my ($self) = @_;	2181	my ($self) = @_;
1470		2182
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	2183	my $lock = cf::lock_acquire "map_data:$self->{path}";
1472		2184
1473	$self->{last_save} = $cf::RUNTIME;	2185	$self->{last_save} = $cf::RUNTIME;
1474		2186
1475	return unless $self->dirty;	2187	return unless $self->dirty;
1476		2188
1477	my $save = $self->{path}->save_path; utf8::encode $save;	2189	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2190	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		2191
1480	$self->{load_path} = $save;	2192	$self->{load_path} = $save;
1481		2193
1482	return if $self->{deny_save};	2194	return if $self->{deny_save};
1483		2195
1484	local $self->{last_access} = $self->last_access;#d#	2196	local $self->{last_access} = $self->last_access;#d#
1485		2197
1486	cf::async {	2198	cf::async {
		2199	$Coro::current->{desc} = "map player save";
1487	$_->contr->save for $self->players;	2200	$_->contr->save for $self->players;
1488	};	2201	};
1489		2202
1490	if ($uniq) {	2203	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2204	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	2205	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	2206	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2207	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	2208	}
1496	}	2209	}
1497		2210
1498	sub swap_out {	2211	sub swap_out {
1499	my ($self) = @_;	2212	my ($self) = @_;
1500		2213
1501	# save first because save cedes	2214	# save first because save cedes
1502	$self->save;	2215	$self->save;
1503		2216
1504	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1505		2218
1506	return if $self->players;	2219	return if $self->players;
1507	return if $self->in_memory != cf::MAP_IN_MEMORY;	2220	return if $self->in_memory != cf::MAP_IN_MEMORY;
1508	return if $self->{deny_save};	2221	return if $self->{deny_save};
1509		2222
		2223	$self->in_memory (cf::MAP_SWAPPED);
		2224
		2225	$self->deactivate;
		2226	$_->clear_links_to ($self) for values %cf::MAP;
1510	$self->clear;	2227	$self->clear;
1511	$self->in_memory (cf::MAP_SWAPPED);
1512	}	2228	}
1513		2229
1514	sub reset_at {	2230	sub reset_at {
1515	my ($self) = @_;	2231	my ($self) = @_;
1516		2232
1517	# TODO: safety, remove and allow resettable per-player maps	2233	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};
1519	return 1e99 if $self->{deny_reset};	2234	return 1e99 if $self->{deny_reset};
1520		2235
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2236	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2237	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		2238
…		…
1528	my ($self) = @_;	2243	my ($self) = @_;
1529		2244
1530	$self->reset_at <= $cf::RUNTIME	2245	$self->reset_at <= $cf::RUNTIME
1531	}	2246	}
1532		2247
1533	sub unlink_save {
1534	my ($self) = @_;
1535
1536	utf8::encode (my $save = $self->{path}->save_path);
1537	aioreq_pri 3; IO::AIO::aio_unlink $save;
1538	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1539	}
1540
1541	sub rename {
1542	my ($self, $new_path) = @_;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = new cf::path $new_path;
1548	$self->path ($self->{path}->as_string);
1549	$cf::MAP{$self->path} = $self;
1550
1551	$self->save;
1552	}
1553
1554	sub reset {	2248	sub reset {
1555	my ($self) = @_;	2249	my ($self) = @_;
1556		2250
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	2251	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		2252
1559	return if $self->players;	2253	return if $self->players;
1560	return if $self->{path}{user_rel};#d#
1561		2254
1562	warn "resetting map ", $self->path;#d#	2255	warn "resetting map ", $self->path;
		2256
		2257	$self->in_memory (cf::MAP_SWAPPED);
		2258
		2259	# need to save uniques path
		2260	unless ($self->{deny_save}) {
		2261	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2262
		2263	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2264	if $uniq;
		2265	}
1563		2266
1564	delete $cf::MAP{$self->path};	2267	delete $cf::MAP{$self->path};
1565		2268
		2269	$self->deactivate;
1566	$_->clear_links_to ($self) for values %cf::MAP;	2270	$_->clear_links_to ($self) for values %cf::MAP;
		2271	$self->clear;
1567		2272
1568	$self->unlink_save;	2273	$self->unlink_save;
1569	$self->destroy;	2274	$self->destroy;
1570	}	2275	}
1571		2276
1572	my $nuke_counter = "aaaa";	2277	my $nuke_counter = "aaaa";
1573		2278
1574	sub nuke {	2279	sub nuke {
1575	my ($self) = @_;	2280	my ($self) = @_;
1576		2281
		2282	{
		2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2284
		2285	delete $cf::MAP{$self->path};
		2286
		2287	$self->unlink_save;
		2288
		2289	bless $self, "cf::map";
		2290	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	2291	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	2292	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	2293	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2294
		2295	$cf::MAP{$self->path} = $self;
		2296	}
		2297
1580	$self->reset; # polite request, might not happen	2298	$self->reset; # polite request, might not happen
1581	}	2299	}
1582		2300
1583	sub customise_for {	2301	=item $maps = cf::map::tmp_maps
1584	my ($map, $ob) = @_;
1585		2302
1586	if ($map->per_player) {	2303	Returns an arrayref with all map paths of currently instantiated and saved
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2304	maps. May block.
		2305
		2306	=cut
		2307
		2308	sub tmp_maps() {
1588	}	2309	[
1589		2310	map {
1590	$map	2311	utf8::decode $_;
		2312	/\.map$/
		2313	? normalise $_
		2314	: ()
		2315	} @{ aio_readdir $TMPDIR or [] }
		2316	]
1591	}	2317	}
1592		2318
1593	sub emergency_save {	2319	=item $maps = cf::map::random_maps
1594	my $freeze_guard = cf::freeze_mainloop;
1595		2320
1596	warn "enter emergency perl save\n";	2321	Returns an arrayref with all map paths of currently instantiated and saved
		2322	random maps. May block.
1597		2323
1598	cf::sync_job {	2324	=cut
1599	warn "begin emergency player save\n";
1600	$_->save for values %cf::PLAYER;
1601	warn "end emergency player save\n";
1602		2325
1603	warn "begin emergency map save\n";	2326	sub random_maps() {
1604	$_->save for values %cf::MAP;	2327	[
1605	warn "end emergency map save\n";	2328	map {
1606	};	2329	utf8::decode $_;
		2330	/\.map$/
		2331	? normalise "?random/$_"
		2332	: ()
		2333	} @{ aio_readdir $RANDOMDIR or [] }
		2334	]
		2335	}
1607		2336
1608	warn "leave emergency perl save\n";	2337	=item cf::map::unique_maps
		2338
		2339	Returns an arrayref of paths of all shared maps that have
		2340	instantiated unique items. May block.
		2341
		2342	=cut
		2343
		2344	sub unique_maps() {
		2345	[
		2346	map {
		2347	utf8::decode $_;
		2348	/\.map$/
		2349	? normalise $_
		2350	: ()
		2351	} @{ aio_readdir $UNIQUEDIR or [] }
		2352	]
1609	}	2353	}
1610		2354
1611	package cf;	2355	package cf;
1612		2356
1613	=back	2357	=back
1614		2358
		2359	=head3 cf::object
		2360
		2361	=cut
		2362
		2363	package cf::object;
		2364
		2365	=over 4
		2366
		2367	=item $ob->inv_recursive
		2368
		2369	Returns the inventory of the object _and_ their inventories, recursively.
		2370
		2371	=cut
		2372
		2373	sub inv_recursive_;
		2374	sub inv_recursive_ {
		2375	map { $_, inv_recursive_ $_->inv } @_
		2376	}
		2377
		2378	sub inv_recursive {
		2379	inv_recursive_ inv $_[0]
		2380	}
		2381
		2382	=item $ref = $ob->ref
		2383
		2384	creates and returns a persistent reference to an objetc that can be stored as a string.
		2385
		2386	=item $ob = cf::object::deref ($refstring)
		2387
		2388	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2389	even if the object actually exists. May block.
		2390
		2391	=cut
		2392
		2393	sub deref {
		2394	my ($ref) = @_;
		2395
		2396	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2397	my ($uuid, $name) = ($1, $2);
		2398	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2399	or return;
		2400	$pl->ob->uuid eq $uuid
		2401	or return;
		2402
		2403	$pl->ob
		2404	} else {
		2405	warn "$ref: cannot resolve object reference\n";
		2406	undef
		2407	}
		2408	}
		2409
		2410	package cf;
		2411
		2412	=back
1615		2413
1616	=head3 cf::object::player	2414	=head3 cf::object::player
1617		2415
1618	=over 4	2416	=over 4
1619		2417
…		…
1633		2431
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2432	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2433
1636	if ($self->{record_replies}) {	2434	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2435	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2436
1638	} else {	2437	} else {
		2438	my $pl = $self->contr;
		2439
		2440	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2441	my $dialog = $pl->{npc_dialog};
		2442	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2443
		2444	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2445	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2446	$self->message ($msg, $flags);
		2447	}
1641	}	2448	}
		2449	}
		2450
		2451	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2452
		2453	=cut
		2454
		2455	sub cf::object::send_msg {
		2456	my $pl = shift->contr
		2457	or return;
		2458	$pl->send_msg (@_);
1642	}	2459	}
1643		2460
1644	=item $player_object->may ("access")	2461	=item $player_object->may ("access")
1645		2462
1646	Returns wether the given player is authorized to access resource "access"	2463	Returns wether the given player is authorized to access resource "access"
…		…
1659		2476
1660	=item $player_object->enter_link	2477	=item $player_object->enter_link
1661		2478
1662	Freezes the player and moves him/her to a special map (C<{link}>).	2479	Freezes the player and moves him/her to a special map (C<{link}>).
1663		2480
1664	The player should be reaosnably safe there for short amounts of time. You	2481	The player should be reasonably safe there for short amounts of time. You
1665	I<MUST> call C<leave_link> as soon as possible, though.	2482	I<MUST> call C<leave_link> as soon as possible, though.
1666		2483
		2484	Will never block.
		2485
1667	=item $player_object->leave_link ($map, $x, $y)	2486	=item $player_object->leave_link ($map, $x, $y)
1668		2487
1669	Moves the player out of the specila link map onto the given map. If the	2488	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	2489	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	2490	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	2491	fails, to the emergency map position.
1673		2492
1674	Might block.	2493	Might block.
1675		2494
1676	=cut	2495	=cut
		2496
		2497	sub link_map {
		2498	unless ($LINK_MAP) {
		2499	$LINK_MAP = cf::map::find "{link}"
		2500	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2501	$LINK_MAP->load;
		2502	}
		2503
		2504	$LINK_MAP
		2505	}
1677		2506
1678	sub cf::object::player::enter_link {	2507	sub cf::object::player::enter_link {
1679	my ($self) = @_;	2508	my ($self) = @_;
1680		2509
1681	$self->deactivate_recursive;	2510	$self->deactivate_recursive;
1682		2511
1683	return if $self->map == $LINK_MAP;	2512	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		2513
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2514	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	2515	if $self->map && $self->map->{path} ne "{link}";
1687		2516
1688	$self->enter_map ($LINK_MAP, 20, 20);	2517	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	2518	}
1690		2519
1691	sub cf::object::player::leave_link {	2520	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	2521	my ($self, $map, $x, $y) = @_;
		2522
		2523	return unless $self->contr->active;
1693		2524
1694	my $link_pos = delete $self->{_link_pos};	2525	my $link_pos = delete $self->{_link_pos};
1695		2526
1696	unless ($map) {	2527	unless ($map) {
1697	# restore original map position	2528	# restore original map position
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	2542	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	2543	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	2544	if $x <=0 && $y <= 0;
1714		2545
1715	$map->load;	2546	$map->load;
		2547	$map->load_neighbours;
1716		2548
1717	return unless $self->contr->active;	2549	return unless $self->contr->active;
1718	$self->activate_recursive;	2550	$self->activate_recursive;
		2551
		2552	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1719	$self->enter_map ($map, $x, $y);	2553	$self->enter_map ($map, $x, $y);
1720	}	2554	}
1721		2555
1722	cf::player->attach (	2556	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1723	on_logout => sub {
1724	my ($pl) = @_;
1725		2557
1726	# abort map switching before logout	2558	Moves the player to the given map-path and coordinates by first freezing
1727	if ($pl->ob->{_link_pos}) {	2559	her, loading and preparing them map, calling the provided $check callback
1728	cf::sync_job {	2560	that has to return the map if sucecssful, and then unfreezes the player on
1729	$pl->ob->leave_link	2561	the new (success) or old (failed) map position. In either case, $done will
1730	};	2562	be called at the end of this process.
1731	}
1732	},
1733	on_login => sub {
1734	my ($pl) = @_;
1735		2563
1736	# try to abort aborted map switching on player login :)
1737	# should happen only on crashes
1738	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;
1740	(async {
1741	# we need this sleep as the login has a concurrent enter_exit running
1742	# and this sleep increases chances of the player not ending up in scorn
1743	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "
1745	. "the server will try to bring you to your intended destination in a second.",
1746	cf::NDI_RED);
1747	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;
1749	})->prio (2);
1750	}
1751	},
1752	);
1753
1754	=item $player_object->goto ($path, $x, $y)
1755
1756	=cut	2564	=cut
		2565
		2566	our $GOTOGEN;
1757		2567
1758	sub cf::object::player::goto {	2568	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	2569	my ($self, $path, $x, $y, $check, $done) = @_;
1760		2570
1761	$path = new cf::path $path;	2571	# do generation counting so two concurrent goto's will be executed in-order
1762	$path ne "/" or Carp::cluck ("oy");#d#	2572	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1763		2573
1764	$self->enter_link;	2574	$self->enter_link;
1765		2575
1766	(async {	2576	(async {
1767	my $map = cf::map::find $path->as_string;	2577	$Coro::current->{desc} = "player::goto $path $x $y";
		2578
		2579	# *tag paths override both path and x|y
		2580	if ($path =~ /^\*(.*)$/) {
		2581	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2582	my $ob = $obs[rand @obs];
		2583
		2584	# see if we actually can go there
		2585	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2586	$ob = $obs[rand @obs];
		2587	} else {
		2588	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2589	}
		2590	# else put us there anyways for now #d#
		2591
		2592	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2593	} else {
		2594	($path, $x, $y) = (undef, undef, undef);
		2595	}
		2596	}
		2597
		2598	my $map = eval {
		2599	my $map = defined $path ? cf::map::find $path : undef;
		2600
		2601	if ($map) {
1768	$map = $map->customise_for ($self) if $map;	2602	$map = $map->customise_for ($self);
1769		2603	$map = $check->($map) if $check && $map;
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	2604	} else {
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2605	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2606	}
1774		2607
		2608	$map
		2609	};
		2610
		2611	if ($@) {
		2612	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2613	LOG llevError | logBacktrace, Carp::longmess $@;
		2614	}
		2615
		2616	if ($gen == $self->{_goto_generation}) {
		2617	delete $self->{_goto_generation};
1775	$self->leave_link ($map, $x, $y);	2618	$self->leave_link ($map, $x, $y);
		2619	}
		2620
		2621	$done->() if $done;
1776	})->prio (1);	2622	})->prio (1);
1777	}	2623	}
1778		2624
1779	=item $player_object->enter_exit ($exit_object)	2625	=item $player_object->enter_exit ($exit_object)
1780		2626
…		…
1782		2628
1783	sub parse_random_map_params {	2629	sub parse_random_map_params {
1784	my ($spec) = @_;	2630	my ($spec) = @_;
1785		2631
1786	my $rmp = { # defaults	2632	my $rmp = { # defaults
1787	xsize => 10,	2633	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	2634	ysize => (cf::rndm 15, 40),
		2635	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2636	#layout => string,
1789	};	2637	};
1790		2638
1791	for (split /\n/, $spec) {	2639	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	2640	my ($k, $v) = split /\s+/, $_, 2;
1793		2641
…		…
1797	$rmp	2645	$rmp
1798	}	2646	}
1799		2647
1800	sub prepare_random_map {	2648	sub prepare_random_map {
1801	my ($exit) = @_;	2649	my ($exit) = @_;
		2650
		2651	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		2652
1803	# all this does is basically replace the /! path by	2653	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	2654	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	2655	# that depends on the exit object
1806		2656
1807	my $rmp = parse_random_map_params $exit->msg;	2657	my $rmp = parse_random_map_params $exit->msg;
1808		2658
1809	if ($exit->map) {	2659	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	2660	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	2661	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	2662	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	2663	$rmp->{origin_y} = $exit->y;
1814	}	2664	}
1815		2665
1816	$rmp->{random_seed} ||= $exit->random_seed;	2666	$rmp->{random_seed} ||= $exit->random_seed;
1817		2667
1818	my $data = cf::to_json $rmp;	2668	my $data = cf::encode_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	2669	my $md5 = Digest::MD5::md5_hex $data;
		2670	my $meta = "$RANDOMDIR/$md5.meta";
1820		2671
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2672	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	2673	aio_write $fh, 0, (length $data), $data, 0;
		2674	undef $fh;
		2675	aio_rename "$meta~", $meta;
1823		2676
1824	$exit->slaying ("?random/$md5");	2677	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	2678	$exit->msg (undef);
1826	}	2679	}
1827	}	2680	}
…		…
1829	sub cf::object::player::enter_exit {	2682	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	2683	my ($self, $exit) = @_;
1831		2684
1832	return unless $self->type == cf::PLAYER;	2685	return unless $self->type == cf::PLAYER;
1833		2686
		2687	if ($exit->slaying eq "/!") {
		2688	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2689	# the problem is that $exit might not survive long enough
		2690	# so it needs to be done right now, right here
		2691	cf::sync_job { prepare_random_map $exit };
		2692	}
		2693
		2694	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2695	my $hp = $exit->stats->hp;
		2696	my $sp = $exit->stats->sp;
		2697
1834	$self->enter_link;	2698	$self->enter_link;
1835		2699
		2700	# if exit is damned, update players death & WoR home-position
		2701	$self->contr->savebed ($slaying, $hp, $sp)
		2702	if $exit->flag (FLAG_DAMNED);
		2703
1836	(async {	2704	(async {
		2705	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2706
1837	$self->deactivate_recursive; # just to be sure	2707	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	2708	unless (eval {
1839	prepare_random_map $exit	2709	$self->goto ($slaying, $hp, $sp);
1840	if $exit->slaying eq "/!";
1841
1842	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1843	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1844		2710
1845	1;	2711	1;
1846	}) {	2712	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "I'll try to bring you back to the map you were before. "	2714	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	2715	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
1851		2717
1852	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	2719	$self->leave_link;
1854	}	2720	}
1855	})->prio (1);	2721	})->prio (1);
…		…
1868		2734
1869	sub cf::client::send_drawinfo {	2735	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	2736	my ($self, $text, $flags) = @_;
1871		2737
1872	utf8::encode $text;	2738	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	2740	}
1875		2741
		2742	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2743
		2744	Send a drawinfo or msg packet to the client, formatting the msg for the
		2745	client if neccessary. C<$type> should be a string identifying the type of
		2746	the message, with C<log> being the default. If C<$color> is negative, suppress
		2747	the message unless the client supports the msg packet.
		2748
		2749	=cut
		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/uptime" => {
		2790	id => "infobox",
		2791	title => "Uptime",
		2792	reply => undef,
		2793	tooltip => "How long the server has been running since last restart",
		2794	},
		2795	"c/mapinfo" => {
		2796	id => "infobox",
		2797	title => "Map Info",
		2798	reply => undef,
		2799	tooltip => "Information related to the maps",
		2800	},
		2801	);
		2802
		2803	sub cf::client::send_msg {
		2804	my ($self, $channel, $msg, $color, @extra) = @_;
		2805
		2806	$msg = $self->pl->expand_cfpod ($msg);
		2807
		2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816
		2817	$channel = $channel->{id};
		2818
		2819	} elsif (ref $channel) {
		2820	# send meta info to client, if not yet sent
		2821	unless (exists $self->{channel}{$channel->{id}}) {
		2822	$self->{channel}{$channel->{id}} = $channel;
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825	}
		2826
		2827	$channel = $channel->{id};
		2828	}
		2829
		2830	return unless @extra || length $msg;
		2831
		2832	if ($self->can_msg) {
		2833	# default colour, mask it out
		2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2835	if $color & cf::NDI_DEF;
		2836
		2837	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2838	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2839	} else {
		2840	if ($color >= 0) {
		2841	# replace some tags by gcfclient-compatible ones
		2842	for ($msg) {
		2843	1 while
		2844	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2845	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2846	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2847	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2848	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2849	}
		2850
		2851	$color &= cf::NDI_COLOR_MASK;
		2852
		2853	utf8::encode $msg;
		2854
		2855	if (0 && $msg =~ /\[/) {
		2856	# COMMAND/INFO
		2857	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2858	} else {
		2859	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2860	$self->send_packet ("drawinfo $color $msg")
		2861	}
		2862	}
		2863	}
		2864	}
		2865
		2866	=item $client->ext_msg ($type, @msg)
		2867
		2868	Sends an ext event to the client.
		2869
		2870	=cut
		2871
		2872	sub cf::client::ext_msg($$@) {
		2873	my ($self, $type, @msg) = @_;
		2874
		2875	if ($self->extcmd == 2) {
		2876	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2877	} elsif ($self->extcmd == 1) { # TODO: remove
		2878	push @msg, msgtype => "event_$type";
		2879	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2880	}
		2881	}
		2882
		2883	=item $client->ext_reply ($msgid, @msg)
		2884
		2885	Sends an ext reply to the client.
		2886
		2887	=cut
		2888
		2889	sub cf::client::ext_reply($$@) {
		2890	my ($self, $id, @msg) = @_;
		2891
		2892	if ($self->extcmd == 2) {
		2893	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2894	} elsif ($self->extcmd == 1) {
		2895	#TODO: version 1, remove
		2896	unshift @msg, msgtype => "reply", msgid => $id;
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2898	}
		2899	}
1876		2900
1877	=item $success = $client->query ($flags, "text", \&cb)	2901	=item $success = $client->query ($flags, "text", \&cb)
1878		2902
1879	Queues a query to the client, calling the given callback with	2903	Queues a query to the client, calling the given callback with
1880	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1881	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1882		2906
1883	Queries can fail, so check the return code. Or don't, as queries will become	2907	Queries can fail, so check the return code. Or don't, as queries will
1884	reliable at some point in the future.	2908	become reliable at some point in the future.
1885		2909
1886	=cut	2910	=cut
1887		2911
1888	sub cf::client::query {	2912	sub cf::client::query {
1889	my ($self, $flags, $text, $cb) = @_;	2913	my ($self, $flags, $text, $cb) = @_;
…		…
1897	utf8::encode $text;	2921	utf8::encode $text;
1898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1899		2923
1900	$self->send_packet ($self->{query_queue}[0][0])	2924	$self->send_packet ($self->{query_queue}[0][0])
1901	if @{ $self->{query_queue} } == 1;	2925	if @{ $self->{query_queue} } == 1;
		2926
		2927	1
1902	}	2928	}
1903		2929
1904	cf::client->attach (	2930	cf::client->attach (
		2931	on_connect => sub {
		2932	my ($ns) = @_;
		2933
		2934	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2935	},
1905	on_reply => sub {	2936	on_reply => sub {
1906	my ($ns, $msg) = @_;	2937	my ($ns, $msg) = @_;
1907		2938
1908	# this weird shuffling is so that direct followup queries	2939	# this weird shuffling is so that direct followup queries
1909	# get handled first	2940	# get handled first
1910	my $queue = delete $ns->{query_queue}	2941	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	2942	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		2943
1913	(shift @$queue)->[1]->($msg);	2944	(shift @$queue)->[1]->($msg);
		2945	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2946
1915	push @{ $ns->{query_queue} }, @$queue;	2947	push @{ $ns->{query_queue} }, @$queue;
1916		2948
1917	if (@{ $ns->{query_queue} } == @$queue) {	2949	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2950	if (@$queue) {
…		…
1920	} else {	2952	} else {
1921	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2953	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1922	}	2954	}
1923	}	2955	}
1924	},	2956	},
		2957	on_exticmd => sub {
		2958	my ($ns, $buf) = @_;
		2959
		2960	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2961
		2962	if (ref $msg) {
		2963	my ($type, $reply, @payload) =
		2964	"ARRAY" eq ref $msg
		2965	? @$msg
		2966	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2967
		2968	my @reply;
		2969
		2970	if (my $cb = $EXTICMD{$type}) {
		2971	@reply = $cb->($ns, @payload);
		2972	}
		2973
		2974	$ns->ext_reply ($reply, @reply)
		2975	if $reply;
		2976
		2977	} else {
		2978	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2979	}
		2980
		2981	cf::override;
		2982	},
1925	);	2983	);
1926		2984
1927	=item $client->async (\&cb)	2985	=item $client->async (\&cb)
1928		2986
1929	Create a new coroutine, running the specified callback. The coroutine will	2987	Create a new coroutine, running the specified callback. The coroutine will
…		…
1970	our $safe = new Safe "safe";	3028	our $safe = new Safe "safe";
1971	our $safe_hole = new Safe::Hole;	3029	our $safe_hole = new Safe::Hole;
1972		3030
1973	$SIG{FPE} = 'IGNORE';	3031	$SIG{FPE} = 'IGNORE';
1974		3032
1975	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3033	$safe->permit_only (Opcode::opset qw(
		3034	:base_core :base_mem :base_orig :base_math
		3035	grepstart grepwhile mapstart mapwhile
		3036	sort time
		3037	));
1976		3038
1977	# here we export the classes and methods available to script code	3039	# here we export the classes and methods available to script code
1978		3040
1979	=pod	3041	=pod
1980		3042
1981	The following fucntions and emthods are available within a safe environment:	3043	The following functions and methods are available within a safe environment:
1982		3044
1983	cf::object contr pay_amount pay_player map	3045	cf::object
		3046	contr pay_amount pay_player map x y force_find force_add destroy
		3047	insert remove name archname title slaying race decrease_ob_nr
		3048
1984	cf::object::player player	3049	cf::object::player
1985	cf::player peaceful	3050	player
1986	cf::map trigger	3051
		3052	cf::player
		3053	peaceful
		3054
		3055	cf::map
		3056	trigger
1987		3057
1988	=cut	3058	=cut
1989		3059
1990	for (	3060	for (
1991	["cf::object" => qw(contr pay_amount pay_player map)],	3061	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3062	insert remove inv name archname title slaying race
		3063	decrease_ob_nr destroy)],
1992	["cf::object::player" => qw(player)],	3064	["cf::object::player" => qw(player)],
1993	["cf::player" => qw(peaceful)],	3065	["cf::player" => qw(peaceful)],
1994	["cf::map" => qw(trigger)],	3066	["cf::map" => qw(trigger)],
1995	) {	3067	) {
1996	no strict 'refs';	3068	no strict 'refs';
…		…
2067	=back	3139	=back
2068		3140
2069	=cut	3141	=cut
2070		3142
2071	#############################################################################	3143	#############################################################################
		3144	# the server's init and main functions
2072		3145
2073	=head2 EXTENSION DATABASE SUPPORT	3146	sub load_facedata($) {
		3147	my ($path) = @_;
2074		3148
2075	Crossfire maintains a very simple database for extension use. It can	3149	# HACK to clear player env face cache, we need some signal framework
2076	currently store anything that can be serialised using Storable, which	3150	# for this (global event?)
2077	excludes objects.	3151	%ext::player_env::MUSIC_FACE_CACHE = ();
2078		3152
2079	The parameter C<$family> should best start with the name of the extension	3153	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2080	using it, it should be unique.
2081		3154
2082	=over 4	3155	warn "loading facedata from $path\n";
2083		3156
2084	=item $hashref = cf::db_get $family	3157	my $facedata;
		3158	0 < aio_load $path, $facedata
		3159	or die "$path: $!";
2085		3160
2086	Return a hashref for use by the extension C<$family>, which can be	3161	$facedata = Coro::Storable::thaw $facedata;
2087	modified. After modifications, you have to call C<cf::db_dirty> or
2088	C<cf::db_sync>.
2089		3162
2090	=item $value = cf::db_get $family => $key	3163	$facedata->{version} == 2
		3164	or cf::cleanup "$path: version mismatch, cannot proceed.";
2091		3165
2092	Returns a single value from the database	3166	# patch in the exptable
2093		3167	$facedata->{resource}{"res/exp_table"} = {
2094	=item cf::db_put $family => $hashref	3168	type => FT_RSRC,
2095		3169	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2096	Stores the given family hashref into the database. Updates are delayed, if
2097	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2098
2099	=item cf::db_put $family => $key => $value
2100
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you
2102	want the data to be synced to disk immediately, use C<cf::db_sync>.
2103
2104	=item cf::db_dirty
2105
2106	Marks the database as dirty, to be updated at a later time.
2107
2108	=item cf::db_sync
2109
2110	Immediately write the database to disk I<if it is dirty>.
2111
2112	=cut
2113
2114	our $DB;
2115
2116	{
2117	my $path = cf::localdir . "/database.pst";
2118
2119	sub db_load() {
2120	$DB = stat $path ? Storable::retrieve $path : { };
2121	}
2122
2123	my $pid;
2124
2125	sub db_save() {
2126	waitpid $pid, 0 if $pid;
2127	if (0 == ($pid = fork)) {
2128	$DB->{_meta}{version} = 1;
2129	Storable::nstore $DB, "$path~";
2130	rename "$path~", $path;
2131	cf::_exit 0 if defined $pid;
2132	}
2133	}
2134
2135	my $dirty;
2136
2137	sub db_sync() {
2138	db_save if $dirty;
2139	undef $dirty;
2140	}
2141
2142	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2143	db_sync;
2144	});	3170	};
		3171	cf::cede_to_tick;
2145		3172
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}	3173	{
		3174	my $faces = $facedata->{faceinfo};
2150		3175
2151	sub db_get($;$) {	3176	while (my ($face, $info) = each %$faces) {
2152	@_ >= 2	3177	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2153	? $DB->{$_[0]}{$_[1]}
2154	: ($DB->{$_[0]} ||= { })
2155	}
2156		3178
2157	sub db_put($$;$) {	3179	cf::face::set_visibility $idx, $info->{visibility};
2158	if (@_ >= 3) {	3180	cf::face::set_magicmap $idx, $info->{magicmap};
2159	$DB->{$_[0]}{$_[1]} = $_[2];	3181	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2160	} else {	3182	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2161	$DB->{$_[0]} = $_[1];
2162	}
2163	db_dirty;
2164	}
2165		3183
2166	cf::global->attach (	3184	cf::cede_to_tick;
2167	prio => 10000,
2168	on_cleanup => sub {
2169	db_sync;
2170	},	3185	}
2171	);
2172	}
2173		3186
2174	#############################################################################	3187	while (my ($face, $info) = each %$faces) {
2175	# the server's main()	3188	next unless $info->{smooth};
2176		3189
2177	sub cfg_load {	3190	my $idx = cf::face::find $face
		3191	or next;
		3192
		3193	if (my $smooth = cf::face::find $info->{smooth}) {
		3194	cf::face::set_smooth $idx, $smooth;
		3195	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3196	} else {
		3197	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3198	}
		3199
		3200	cf::cede_to_tick;
		3201	}
		3202	}
		3203
		3204	{
		3205	my $anims = $facedata->{animinfo};
		3206
		3207	while (my ($anim, $info) = each %$anims) {
		3208	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3209	cf::cede_to_tick;
		3210	}
		3211
		3212	cf::anim::invalidate_all; # d'oh
		3213	}
		3214
		3215	{
		3216	# TODO: for gcfclient pleasure, we should give resources
		3217	# that gcfclient doesn't grok a >10000 face index.
		3218	my $res = $facedata->{resource};
		3219
		3220	while (my ($name, $info) = each %$res) {
		3221	if (defined $info->{type}) {
		3222	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3223	my $data;
		3224
		3225	if ($info->{type} & 1) {
		3226	# prepend meta info
		3227
		3228	my $meta = $enc->encode ({
		3229	name => $name,
		3230	%{ $info->{meta} || {} },
		3231	});
		3232
		3233	$data = pack "(w/a*)*", $meta, $info->{data};
		3234	} else {
		3235	$data = $info->{data};
		3236	}
		3237
		3238	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3239	cf::face::set_type $idx, $info->{type};
		3240	} else {
		3241	$RESOURCE{$name} = $info;
		3242	}
		3243
		3244	cf::cede_to_tick;
		3245	}
		3246	}
		3247
		3248	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3249
		3250	1
		3251	}
		3252
		3253	cf::global->attach (on_resource_update => sub {
		3254	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3255	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3256
		3257	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3258	my $sound = $soundconf->{compat}[$_]
		3259	or next;
		3260
		3261	my $face = cf::face::find "sound/$sound->[1]";
		3262	cf::sound::set $sound->[0] => $face;
		3263	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3264	}
		3265
		3266	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3267	my $face = cf::face::find "sound/$v";
		3268	cf::sound::set $k => $face;
		3269	}
		3270	}
		3271	});
		3272
		3273	register_exticmd fx_want => sub {
		3274	my ($ns, $want) = @_;
		3275
		3276	while (my ($k, $v) = each %$want) {
		3277	$ns->fx_want ($k, $v);
		3278	}
		3279	};
		3280
		3281	sub reload_regions {
		3282	# HACK to clear player env face cache, we need some signal framework
		3283	# for this (global event?)
		3284	%ext::player_env::MUSIC_FACE_CACHE = ();
		3285
		3286	load_resource_file "$MAPDIR/regions"
		3287	or die "unable to load regions file\n";
		3288
		3289	for (cf::region::list) {
		3290	$_->{match} = qr/$_->{match}/
		3291	if exists $_->{match};
		3292	}
		3293	}
		3294
		3295	sub reload_facedata {
		3296	load_facedata "$DATADIR/facedata"
		3297	or die "unable to load facedata\n";
		3298	}
		3299
		3300	sub reload_archetypes {
		3301	load_resource_file "$DATADIR/archetypes"
		3302	or die "unable to load archetypes\n";
		3303	#d# NEED to laod twice to resolve forward references
		3304	# this really needs to be done in an extra post-pass
		3305	# (which needs to be synchronous, so solve it differently)
		3306	load_resource_file "$DATADIR/archetypes"
		3307	or die "unable to load archetypes\n";
		3308	}
		3309
		3310	sub reload_treasures {
		3311	load_resource_file "$DATADIR/treasures"
		3312	or die "unable to load treasurelists\n";
		3313	}
		3314
		3315	sub reload_resources {
		3316	warn "reloading resource files...\n";
		3317
		3318	reload_regions;
		3319	reload_facedata;
		3320	#reload_archetypes;#d#
		3321	reload_archetypes;
		3322	reload_treasures;
		3323
		3324	warn "finished reloading resource files\n";
		3325	}
		3326
		3327	sub init {
		3328	reload_resources;
		3329	}
		3330
		3331	sub reload_config {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	3332	open my $fh, "<:utf8", "$CONFDIR/config"
2179	or return;	3333	or return;
2180		3334
2181	local $/;	3335	local $/;
2182	*CFG = YAML::Syck::Load <$fh>;	3336	*CFG = YAML::Load <$fh>;
2183		3337
2184	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3338	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2185		3339
2186	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3340	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2187	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3341	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2197		3351
2198	sub main {	3352	sub main {
2199	# we must not ever block the main coroutine	3353	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	3354	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3355	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2202	async { Event::one_event };	3356	(async {
		3357	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3358	EV::loop EV::LOOP_ONESHOT;
		3359	})->prio (Coro::PRIO_MAX);
2203	};	3360	};
2204		3361
2205	cfg_load;	3362	reload_config;
2206	db_load;	3363	db_init;
2207	load_extensions;	3364	load_extensions;
		3365
		3366	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3367	evthread_start IO::AIO::poll_fileno;
2208	Event::loop;	3368	EV::loop;
2209	}	3369	}
2210		3370
2211	#############################################################################	3371	#############################################################################
2212	# initialisation	3372	# initialisation and cleanup
2213		3373
		3374	# install some emergency cleanup handlers
		3375	BEGIN {
		3376	our %SIGWATCHER = ();
		3377	for my $signal (qw(INT HUP TERM)) {
		3378	$SIGWATCHER{$signal} = EV::signal $signal, sub {
		3379	cf::cleanup "SIG$signal";
		3380	};
		3381	}
		3382	}
		3383
		3384	sub write_runtime {
		3385	my $runtime = "$LOCALDIR/runtime";
		3386
		3387	# first touch the runtime file to show we are still running:
		3388	# the fsync below can take a very very long time.
		3389
		3390	IO::AIO::aio_utime $runtime, undef, undef;
		3391
		3392	my $guard = cf::lock_acquire "write_runtime";
		3393
		3394	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3395	or return;
		3396
		3397	my $value = $cf::RUNTIME + 90 + 10;
		3398	# 10 is the runtime save interval, for a monotonic clock
		3399	# 60 allows for the watchdog to kill the server.
		3400
		3401	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3402	and return;
		3403
		3404	# always fsync - this file is important
		3405	aio_fsync $fh
		3406	and return;
		3407
		3408	# touch it again to show we are up-to-date
		3409	aio_utime $fh, undef, undef;
		3410
		3411	close $fh
		3412	or return;
		3413
		3414	aio_rename "$runtime~", $runtime
		3415	and return;
		3416
		3417	warn "runtime file written.\n";
		3418
		3419	1
		3420	}
		3421
		3422	sub emergency_save() {
		3423	my $freeze_guard = cf::freeze_mainloop;
		3424
		3425	warn "enter emergency perl save\n";
		3426
		3427	cf::sync_job {
		3428	# use a peculiar iteration method to avoid tripping on perl
		3429	# refcount bugs in for. also avoids problems with players
		3430	# and maps saved/destroyed asynchronously.
		3431	warn "begin emergency player save\n";
		3432	for my $login (keys %cf::PLAYER) {
		3433	my $pl = $cf::PLAYER{$login} or next;
		3434	$pl->valid or next;
		3435	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3436	$pl->save;
		3437	}
		3438	warn "end emergency player save\n";
		3439
		3440	warn "begin emergency map save\n";
		3441	for my $path (keys %cf::MAP) {
		3442	my $map = $cf::MAP{$path} or next;
		3443	$map->valid or next;
		3444	$map->save;
		3445	}
		3446	warn "end emergency map save\n";
		3447
		3448	warn "begin emergency database checkpoint\n";
		3449	BDB::db_env_txn_checkpoint $DB_ENV;
		3450	warn "end emergency database checkpoint\n";
		3451	};
		3452
		3453	warn "leave emergency perl save\n";
		3454	}
		3455
		3456	sub post_cleanup {
		3457	my ($make_core) = @_;
		3458
		3459	warn Carp::longmess "post_cleanup backtrace"
		3460	if $make_core;
		3461	}
		3462
2214	sub reload() {	3463	sub do_reload_perl() {
2215	# can/must only be called in main	3464	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	3465	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	3466	warn "can only reload from main coroutine";
2218	return;	3467	return;
2219	}	3468	}
2220		3469
2221	warn "reloading...";	3470	warn "reloading...";
2222		3471
2223	my $guard = freeze_mainloop;	3472	warn "entering sync_job";
		3473
		3474	cf::sync_job {
		3475	cf::write_runtime; # external watchdog should not bark
2224	cf::emergency_save;	3476	cf::emergency_save;
		3477	cf::write_runtime; # external watchdog should not bark
2225		3478
2226	eval {	3479	warn "syncing database to disk";
		3480	BDB::db_env_txn_checkpoint $DB_ENV;
		3481
2227	# if anything goes wrong in here, we should simply crash as we already saved	3482	# if anything goes wrong in here, we should simply crash as we already saved
2228		3483
2229	# cancel all watchers	3484	warn "flushing outstanding aio requests";
2230	for (Event::all_watchers) {	3485	for (;;) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	3486	BDB::flush;
		3487	IO::AIO::flush;
		3488	Coro::cede_notself;
		3489	last unless IO::AIO::nreqs || BDB::nreqs;
		3490	warn "iterate...";
2232	}	3491	}
2233		3492
		3493	++$RELOAD;
		3494
2234	# cancel all extension coros	3495	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	3496	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	3497	%EXT_CORO = ();
2237		3498
2238	# unload all extensions	3499	warn "removing commands";
2239	for (@exts) {	3500	%COMMAND = ();
		3501
		3502	warn "removing ext/exti commands";
		3503	%EXTCMD = ();
		3504	%EXTICMD = ();
		3505
		3506	warn "unloading/nuking all extensions";
		3507	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	3508	warn "... unloading $pkg";
2241	unload_extension $_;	3509
		3510	if (my $cb = $pkg->can ("unload")) {
		3511	eval {
		3512	$cb->($pkg);
		3513	1
		3514	} or warn "$pkg unloaded, but with errors: $@";
2242	}	3515	}
2243		3516
		3517	warn "... nuking $pkg";
		3518	Symbol::delete_package $pkg;
		3519	}
		3520
2244	# unload all modules loaded from $LIBDIR	3521	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	3522	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3523	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		3524
2248	warn "removing <$k>";	3525	warn "... unloading $k";
2249	delete $INC{$k};	3526	delete $INC{$k};
2250		3527
2251	$k =~ s/\.pm$//;	3528	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	3529	$k =~ s/\//::/g;
2253		3530
…		…
2256	}	3533	}
2257		3534
2258	Symbol::delete_package $k;	3535	Symbol::delete_package $k;
2259	}	3536	}
2260		3537
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	3538	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	3539	Symbol::delete_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3540	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		3541
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	3542	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	3543	delete $INC{"cf.pm"};
		3544	delete $INC{"cf/pod.pm"};
2274		3545
2275	# don't, removes xs symbols, too,	3546	# don't, removes xs symbols, too,
2276	# and global variables created in xs	3547	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	3548	#Symbol::delete_package __PACKAGE__;
2278		3549
2279	# reload cf.pm	3550	warn "unload completed, starting to reload now";
		3551
2280	warn "reloading cf.pm";	3552	warn "reloading cf.pm";
2281	require cf;	3553	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3554	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		3555
2284	# load config and database again	3556	warn "loading config and database again";
2285	cf::cfg_load;	3557	cf::reload_config;
2286	cf::db_load;
2287		3558
2288	# load extensions
2289	warn "load extensions";	3559	warn "loading extensions";
2290	cf::load_extensions;	3560	cf::load_extensions;
2291		3561
2292	# reattach attachments to objects	3562	warn "reattaching attachments to objects/players";
2293	warn "reattach";	3563	_global_reattach; # objects, sockets
2294	_global_reattach;	3564	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	3565	reattach $_ for values %MAP;
		3566	warn "reattaching attachments to players";
		3567	reattach $_ for values %PLAYER;
		3568
		3569	warn "leaving sync_job";
		3570
		3571	1
		3572	} or do {
		3573	warn $@;
		3574	cf::cleanup "error while reloading, exiting.";
2296	};	3575	};
2297		3576
2298	if ($@) {	3577	warn "reloaded";
2299	warn $@;
2300	warn "error while reloading, exiting.";
2301	exit 1;
2302	}
2303
2304	warn "reloaded successfully";
2305	};	3578	};
2306		3579
2307	#############################################################################	3580	our $RELOAD_WATCHER; # used only during reload
2308		3581
2309	unless ($LINK_MAP) {	3582	sub reload_perl() {
2310	$LINK_MAP = cf::map::new;	3583	# doing reload synchronously and two reloads happen back-to-back,
		3584	# coro crashes during coro_state_free->destroy here.
2311		3585
2312	$LINK_MAP->width (41);	3586	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2313	$LINK_MAP->height (41);	3587	do_reload_perl;
2314	$LINK_MAP->alloc;	3588	undef $RELOAD_WATCHER;
2315	$LINK_MAP->path ("{link}");	3589	};
2316	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2317	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2318
2319	# dirty hack because... archetypes are not yet loaded
2320	Event->timer (
2321	after => 10,
2322	cb => sub {
2323	$_[0]->w->cancel;
2324
2325	# provide some exits "home"
2326	my $exit = cf::object::new "exit";
2327
2328	$exit->slaying ($EMERGENCY_POSITION->[0]);
2329	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2330	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2331
2332	$LINK_MAP->insert ($exit->clone, 19, 19);
2333	$LINK_MAP->insert ($exit->clone, 19, 20);
2334	$LINK_MAP->insert ($exit->clone, 19, 21);
2335	$LINK_MAP->insert ($exit->clone, 20, 19);
2336	$LINK_MAP->insert ($exit->clone, 20, 21);
2337	$LINK_MAP->insert ($exit->clone, 21, 19);
2338	$LINK_MAP->insert ($exit->clone, 21, 20);
2339	$LINK_MAP->insert ($exit->clone, 21, 21);
2340
2341	$exit->destroy;
2342	});
2343
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}	3590	}
2349
2350	register "<global>", __PACKAGE__;
2351		3591
2352	register_command "reload" => sub {	3592	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	3593	my ($who, $arg) = @_;
2354		3594
2355	if ($who->flag (FLAG_WIZ)) {	3595	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");
2357	reload;
2358	$who->message ("end of reload.");	3596	$who->message ("reloading server.");
		3597	async {
		3598	$Coro::current->{desc} = "perl_reload";
		3599	reload_perl;
		3600	};
2359	}	3601	}
2360	};	3602	};
2361		3603
2362	unshift @INC, $LIBDIR;	3604	unshift @INC, $LIBDIR;
2363		3605
2364	$TICK_WATCHER = Event->timer (	3606	my $bug_warning = 0;
2365	reentrant => 0,	3607
2366	prio => 0,	3608	our @WAIT_FOR_TICK;
2367	at => $NEXT_TICK || $TICK,	3609	our @WAIT_FOR_TICK_BEGIN;
2368	data => WF_AUTOCANCEL,	3610
2369	cb => sub {	3611	sub wait_for_tick {
		3612	return if tick_inhibit;
		3613	return if $Coro::current == $Coro::main;
		3614
		3615	my $signal = new Coro::Signal;
		3616	push @WAIT_FOR_TICK, $signal;
		3617	$signal->wait;
		3618	}
		3619
		3620	sub wait_for_tick_begin {
		3621	return if tick_inhibit;
		3622	return if $Coro::current == $Coro::main;
		3623
		3624	my $signal = new Coro::Signal;
		3625	push @WAIT_FOR_TICK_BEGIN, $signal;
		3626	$signal->wait;
		3627	}
		3628
		3629	sub tick {
		3630	if ($Coro::current != $Coro::main) {
		3631	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3632	unless ++$bug_warning > 10;
		3633	return;
		3634	}
		3635
2370	cf::server_tick; # one server iteration	3636	cf::server_tick; # one server iteration
2371	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;
2373		3637
2374	# if we are delayed by four ticks or more, skip them all	3638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3639	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2376		3640	Coro::async_pool {
2377	$TICK_WATCHER->at ($NEXT_TICK);	3641	$Coro::current->{desc} = "runtime saver";
2378	$TICK_WATCHER->start;
2379	},
2380	);
2381
2382	IO::AIO::max_poll_time $TICK * 0.2;
2383
2384	Event->io (
2385	fd => IO::AIO::poll_fileno,
2386	poll => 'r',
2387	prio => 5,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,
2394	after => 0,
2395	interval => 10,
2396	cb => sub {
2397	(Coro::unblock_sub {
2398	write_runtime	3642	write_runtime
2399	or warn "ERROR: unable to write runtime file: $!";	3643	or warn "ERROR: unable to write runtime file: $!";
2400	})->();	3644	};
2401	},	3645	}
2402	);	3646
		3647	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3648	$sig->send;
		3649	}
		3650	while (my $sig = shift @WAIT_FOR_TICK) {
		3651	$sig->send;
		3652	}
		3653
		3654	$LOAD = ($NOW - $TICK_START) / $TICK;
		3655	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3656
		3657	if (0) {
		3658	if ($NEXT_TICK) {
		3659	my $jitter = $TICK_START - $NEXT_TICK;
		3660	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3661	warn "jitter $JITTER\n";#d#
		3662	}
		3663	}
		3664	}
		3665
		3666	{
		3667	# configure BDB
		3668
		3669	BDB::min_parallel 8;
		3670	BDB::max_poll_reqs $TICK * 0.1;
		3671	$Coro::BDB::WATCHER->priority (1);
		3672
		3673	unless ($DB_ENV) {
		3674	$DB_ENV = BDB::db_env_create;
		3675	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3676	| BDB::LOG_AUTOREMOVE, 1);
		3677	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3678	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3679
		3680	cf::sync_job {
		3681	eval {
		3682	BDB::db_env_open
		3683	$DB_ENV,
		3684	$BDBDIR,
		3685	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3686	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3687	0666;
		3688
		3689	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3690	};
		3691
		3692	cf::cleanup "db_env_open(db): $@" if $@;
		3693	};
		3694	}
		3695
		3696	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3697	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3698	};
		3699	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3700	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3701	};
		3702	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3703	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3704	};
		3705	}
		3706
		3707	{
		3708	# configure IO::AIO
		3709
		3710	IO::AIO::min_parallel 8;
		3711	IO::AIO::max_poll_time $TICK * 0.1;
		3712	$Coro::AIO::WATCHER->priority (1);
		3713	}
		3714
		3715	my $_log_backtrace;
		3716
		3717	sub _log_backtrace {
		3718	my ($msg, @addr) = @_;
		3719
		3720	$msg =~ s/\n//;
		3721
		3722	# limit the # of concurrent backtraces
		3723	if ($_log_backtrace < 2) {
		3724	++$_log_backtrace;
		3725	async {
		3726	$Coro::current->{desc} = "abt $msg";
		3727
		3728	my @bt = fork_call {
		3729	@addr = map { sprintf "%x", $_ } @addr;
		3730	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3731	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3732	or die "addr2line: $!";
		3733
		3734	my @funcs;
		3735	my @res = <$fh>;
		3736	chomp for @res;
		3737	while (@res) {
		3738	my ($func, $line) = splice @res, 0, 2, ();
		3739	push @funcs, "[$func] $line";
		3740	}
		3741
		3742	@funcs
		3743	};
		3744
		3745	LOG llevInfo, "[ABT] $msg\n";
		3746	LOG llevInfo, "[ABT] $_\n" for @bt;
		3747	--$_log_backtrace;
		3748	};
		3749	} else {
		3750	LOG llevInfo, "[ABT] $msg\n";
		3751	LOG llevInfo, "[ABT] [suppressed]\n";
		3752	}
		3753	}
		3754
		3755	# load additional modules
		3756	use cf::pod;
2403		3757
2404	END { cf::emergency_save }	3758	END { cf::emergency_save }
2405		3759
2406	1	3760	1
2407		3761

Diff Legend

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