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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.151 by root, Mon Jan 8 20:59:15 2007 UTC vs.
Revision 1.432 by root, Mon May 5 22:38:47 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 ();
		50	use Data::Dumper;
20	use Digest::MD5;	51	use Digest::MD5;
21	use Fcntl;	52	use Fcntl;
		53	use YAML ();
22	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
23	use YAML::Syck ();
24	use Time::HiRes;	55	use Time::HiRes;
		56	use Compress::LZF;
		57	use Digest::MD5 ();
25		58
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	59	# configure various modules to our taste
27		60	#
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	61	$Storable::canonical = 1; # reduce rsync transfers
29	$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
30		64
31	$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
32		66
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		68
35	our %COMMAND = ();	69	our %COMMAND = ();
36	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
		71
		72	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
		75	our %EXT_CORO = (); # coroutines bound to extensions
		76	our %EXT_MAP = (); # pluggable maps
38		77
		78	our $RELOAD; # number of reloads so far
39	our @EVENT;	79	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		80
42	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(!)
43	our $TICK_WATCHER;	95	our $AIO_POLL_WATCHER;
		96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	97	our $NEXT_TICK;
45	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;
46		105
47	our %CFG;	106	our %CFG;
48		107
49	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
51		111
52	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
53	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
54	our $LINK_MAP; # the special {link} map	114	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	115
56	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 $TICK_START; # for load detecting purposes
57		123
58	binmode STDOUT;	124	binmode STDOUT;
59	binmode STDERR;	125	binmode STDERR;
60		126
61	# read virtual server time, if available	127	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
63	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
64	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
65	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
66	}	132	}
67		133
68	mkdir cf::localdir;	134	mkdir $_
69	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		136
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
		138
		139	sub cf::map::normalise;
77		140
78	#############################################################################	141	#############################################################################
79		142
80	=head2 GLOBAL VARIABLES	143	=head2 GLOBAL VARIABLES
81		144
…		…
88	=item $cf::RUNTIME	151	=item $cf::RUNTIME
89		152
90	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
91	every server tick.	154	every server tick.
92		155
93	=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
94		159
95	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
96	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.
97		164
98	=item $cf::NOW	165	=item $cf::NOW
99		166
100	The time of the last (current) server tick.	167	The time of the last (current) server tick.
101		168
102	=item $cf::TICK	169	=item $cf::TICK
103		170
104	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
105		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
106	=item %cf::CFG	183	=item %cf::CFG
107		184
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
109	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.
110		199
111	=back	200	=back
112		201
113	=cut	202	=cut
114		203
115	BEGIN {	204	BEGIN {
116	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
117	my $msg = join "", @_;	206	my $msg = join "", @_;
118	utf8::encode $msg;
119		207
120	$msg .= "\n"	208	$msg .= "\n"
121	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
122		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
123	LOG llevError, $msg;	213	LOG llevError, $msg;
124	};	214	};
125	}	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#?
126		231
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131	@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';
132	@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)
133		239
134	# 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
135	# within the Safe compartment.	241	# within the Safe compartment.
136	for my $pkg (qw(	242	for my $pkg (qw(
137	cf::global cf::attachable	243	cf::global cf::attachable
…		…
142	)) {	248	)) {
143	no strict 'refs';	249	no strict 'refs';
144	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
145	}	251	}
146		252
147	$Event::DIED = sub {	253	$EV::DIED = sub {
148	warn "error in event callback: @_";	254	warn "error in event callback: @_";
149	};	255	};
150		256
151	my %ext_pkg;	257	#############################################################################
152	my @exts;
153	my @hook;
154		258
155	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
156		260
157	=over 4	261	=over 4
158		262
159	=cut	263	=item dumpval $ref
160		264
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	265	=cut
162		266
		267	sub dumpval {
		268	eval {
		269	local $SIG{__DIE__};
		270	my $d;
		271	if (1) {
		272	$d = new Data::Dumper([$_[0]], ["*var"]);
		273	$d->Terse(1);
		274	$d->Indent(2);
		275	$d->Quotekeys(0);
		276	$d->Useqq(1);
		277	#$d->Bless(...);
		278	$d->Seen($_[1]) if @_ > 1;
		279	$d = $d->Dump();
		280	}
		281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		282	$d
		283	} || "[unable to dump $_[0]: '$@']";
		284	}
		285
163	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
164		287
165	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
166		289
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
175		291
176	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
177		293
178	=cut	294	=cut
179		295
180	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
182	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
183	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
184		300
185	=item cf::lock_wait $string	301	=item cf::lock_wait $string
186		302
187	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
188		304
…		…
191	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
192	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,
193	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
194	returned.	310	returned.
195		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
196	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
197	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
198		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
199	=cut	322	=cut
200		323
201	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
202		326
203	sub lock_wait($) {	327	sub lock_wait($) {
204	my ($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#
205		334
206	# wait for lock, if any	335	# wait for lock, if any
207	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
208	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
209	Coro::schedule;	338	Coro::schedule;
…		…
215		344
216	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
217	lock_wait $key;	346	lock_wait $key;
218		347
219	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
220		350
221	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
222	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
223	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
224	}	355	}
225	}	356	}
226		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
227	sub freeze_mainloop {	364	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
229		366
230	my $guard = Coro::guard { $TICK_WATCHER->start };	367	Coro::guard \&tick_inhibit_dec;
231	$TICK_WATCHER->stop;	368	}
232	$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	return if tick_inhibit || $Coro::current == $Coro::main;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
233	}	443	}
234		444
235	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
236		446
237	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
242		452
243	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
244		454
245	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
246		456
247	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
248	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
250		461
251	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
252	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
253	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
254	fast or be very important.	465	fast or be very important.
…		…
257		468
258	sub sync_job(&) {	469	sub sync_job(&) {
259	my ($job) = @_;	470	my ($job) = @_;
260		471
261	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
262	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
263	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
264		477
265	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
266	# (but this is cancel-safe)	479
267	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
268		481
269	my $busy = 1;	482	my $busy = 1;
270	my @res;	483	my @res;
271		484
272	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
273	@res = eval { $job->() };	487	@res = eval { $job->() };
274	warn $@ if $@;	488	warn $@ if $@;
275	undef $busy;	489	undef $busy;
276	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
277		491
278	while ($busy) {	492	while ($busy) {
279	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
280	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
281		503
282	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
283	} else {	505	} else {
284	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
285		507
…		…
287	}	509	}
288	}	510	}
289		511
290	=item $coro = cf::async_ext { BLOCK }	512	=item $coro = cf::async_ext { BLOCK }
291		513
292	Like async, but this coro is automcatially being canceled when the	514	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	515	extension calling this is being unloaded.
294		516
295	=cut	517	=cut
296		518
297	sub async_ext(&) {	519	sub async_ext(&) {
…		…
305	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
306		528
307	$coro	529	$coro
308	}	530	}
309		531
310	sub write_runtime {	532	=item fork_call { }, $args
311	my $runtime = cf::localdir . "/runtime";
312		533
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	534	Executes the given code block with the given arguments in a seperate
314	or return;	535	process, returning the results. Everything must be serialisable with
		536	Coro::Storable. May, of course, block. Note that the executed sub may
		537	never block itself or use any form of event handling.
315		538
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	539	=cut
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;
319		540
320	aio_fsync $fh	541	sub fork_call(&@) {
321	and return;	542	my ($cb, @args) = @_;
322		543
323	close $fh	544	# we seemingly have to make a local copy of the whole thing,
324	or return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
325		547
326	aio_rename "$runtime~", $runtime	548	my @res = Coro::Util::fork_eval {
327	and return;	549	reset_signals;
		550	&$cb
		551	}, @args;
328		552
		553	wantarray ? @res : $res[-1]
		554	}
		555
		556	=item $coin = coin_from_name $name
		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
		581	}
		582
		583	=item $value = cf::db_get $family => $key
		584
		585	Returns a single value from the environment database.
		586
		587	=item cf::db_put $family => $key => $value
		588
		589	Stores the given C<$value> in the family. It can currently store binary
		590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
		597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
		610	};
		611	cf::cleanup "db_open(db): $@" if $@;
		612
		613	$db
		614	}
		615
		616	our $DB;
		617
		618	sub db_init {
		619	cf::sync_job {
		620	$DB ||= db_table "db";
		621	};
		622	}
		623
		624	sub db_get($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
329	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		636	BDB::dbreq_pri 4;
		637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		638	}
		639
		640	=item cf::cache $id => [$paths...], $processversion => $process
		641
		642	Generic caching function that returns the value of the resource $id,
		643	caching and regenerating as required.
		644
		645	This function can block.
		646
		647	=cut
		648
		649	sub cache {
		650	my ($id, $src, $processversion, $process) = @_;
		651
		652	my $meta =
		653	join "\x00",
		654	$processversion,
		655	map {
		656	aio_stat $_
		657	and Carp::croak "$_: $!";
		658
		659	($_, (stat _)[7,9])
		660	} @$src;
		661
		662	my $dbmeta = db_get cache => "$id/meta";
		663	if ($dbmeta ne $meta) {
		664	# changed, we may need to process
		665
		666	my @data;
		667	my $md5;
		668
		669	for (0 .. $#$src) {
		670	0 <= aio_load $src->[$_], $data[$_]
		671	or Carp::croak "$src->[$_]: $!";
		672	}
		673
		674	# if processing is expensive, check
		675	# checksum first
		676	if (1) {
		677	$md5 =
		678	join "\x00",
		679	$processversion,
		680	map {
		681	cf::cede_to_tick;
		682	($src->[$_], Digest::MD5::md5_hex $data[$_])
		683	} 0.. $#$src;
		684
		685
		686	my $dbmd5 = db_get cache => "$id/md5";
		687	if ($dbmd5 eq $md5) {
		688	db_put cache => "$id/meta", $meta;
		689
		690	return db_get cache => "$id/data";
		691	}
		692	}
		693
		694	my $t1 = Time::HiRes::time;
		695	my $data = $process->(\@data);
		696	my $t2 = Time::HiRes::time;
		697
		698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		699
		700	db_put cache => "$id/data", $data;
		701	db_put cache => "$id/md5" , $md5;
		702	db_put cache => "$id/meta", $meta;
		703
		704	return $data;
		705	}
		706
		707	db_get cache => "$id/data"
		708	}
		709
		710	=item cf::datalog type => key => value, ...
		711
		712	Log a datalog packet of the given type with the given key-value pairs.
		713
		714	=cut
		715
		716	sub datalog($@) {
		717	my ($type, %kv) = @_;
		718	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
330	}	719	}
331		720
332	=back	721	=back
333		722
334	=cut	723	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455		724
456	#############################################################################	725	#############################################################################
457		726
458	=head2 ATTACHABLE OBJECTS	727	=head2 ATTACHABLE OBJECTS
459		728
…		…
461	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
462	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
463		732
464	In the following description, CLASS can be any of C<global>, C<object>	733	In the following description, CLASS can be any of C<global>, C<object>
465	C<player>, C<client> or C<map> (i.e. the attachable objects in	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
466	crossfire+).	735	Deliantra).
467		736
468	=over 4	737	=over 4
469		738
470	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
471		740
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	854	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	855	our @CB_MAP = ();
587		856
588	my %attachment;	857	my %attachment;
589		858
		859	sub cf::attachable::thawer_merge {
		860	# simply override everything except _meta
		861	local $_[0]{_meta};
		862	%{$_[0]} = %{$_[1]};
		863	}
		864
590	sub _attach_cb($$$$) {	865	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	866	my ($registry, $event, $prio, $cb) = @_;
592		867
593	use sort 'stable';	868	use sort 'stable';
594		869
…		…
628	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
629		904
630	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
631	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
632	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
633	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634		909
635	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
636	my $pkg = shift @arg;	911	my $pkg = shift @arg;
637		912
638	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
667	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
668	}	943	}
669		944
670	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
671	} else {	946	} else {
672	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
673	}	948	}
674		949
675	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
676	}	951	}
677		952
…		…
679	if (ref $_[0]) {	954	if (ref $_[0]) {
680	_object_attach @_;	955	_object_attach @_;
681	} else {	956	} else {
682	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
683	}	958	}
		959	_recalc_want;
684	};	960	};
685		961
686	# all those should be optimised	962	# all those should be optimised
687	sub cf::attachable::detach {	963	sub cf::attachable::detach {
688	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
691	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
692	reattach ($obj);	968	reattach ($obj);
693	} else {	969	} else {
694	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
695	}	971	}
		972	_recalc_want;
696	};	973	};
697		974
698	sub cf::attachable::attached {	975	sub cf::attachable::attached {
699	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
700		977
…		…
715	";	992	";
716	die if $@;	993	die if $@;
717	}	994	}
718		995
719	our $override;	996	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	997	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		998
722	sub override {	999	sub override {
723	$override = 1;	1000	$override = 1;
724	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
725	}	1002	}
726		1003
727	sub do_invoke {	1004	sub do_invoke {
728	my $event = shift;	1005	my $event = shift;
729	my $callbacks = shift;	1006	my $callbacks = shift;
730		1007
731	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
732		1009
733	local $override;	1010	local $override;
734		1011
735	for (@$callbacks) {	1012	for (@$callbacks) {
736	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
745	}	1022	}
746		1023
747	0	1024	0
748	}	1025	}
749		1026
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1028
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1030
754	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
755		1032
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1033	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1034	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1036
760	=back	1037	=back
761		1038
762	=cut	1039	=cut
763		1040
764	#############################################################################	1041	#############################################################################
765	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
766		1085
767	sub reattach {	1086	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1088	my ($obj) = @_;
		1089
		1090	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		1091
771	my $registry = $obj->registry;	1092	my $registry = $obj->registry;
772		1093
773	@$registry = ();	1094	@$registry = ();
774		1095
…		…
789	cf::attachable->attach (	1110	cf::attachable->attach (
790	prio => -1000000,	1111	prio => -1000000,
791	on_instantiate => sub {	1112	on_instantiate => sub {
792	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
793		1114
794	$data = from_json $data;	1115	$data = decode_json $data;
795		1116
796	for (@$data) {	1117	for (@$data) {
797	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
798		1119
799	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
815	sub object_freezer_save {	1136	sub object_freezer_save {
816	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
817		1138
818	sync_job {	1139	sync_job {
819	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
820	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
821	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
822		1144
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	1148	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	1149	aio_close $fh;
828		1150
829	if (@$objs) {	1151	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	1156	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	1157	aio_close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
837	}	1159	}
838	} else {	1160	} else {
839	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
840	}	1162	}
…		…
845	}	1167	}
846	} else {	1168	} else {
847	aio_unlink $filename;	1169	aio_unlink $filename;
848	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
849	}	1171	}
850	}	1172	};
851	}	1173	}
852		1174
853	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
854	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
855		1177
…		…
867	or return;	1189	or return;
868		1190
869	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
870	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
871	or return;	1193	or return;
		1194
872	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
873	}	1197	}
874		1198
		1199	utf8::decode (my $decname = $filename);
875	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
876	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
877	return ($data, $av);	1203	($data, $av)
878	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
879		1211
880	#############################################################################	1212	#############################################################################
881	# command handling &c	1213	# command handling &c
882		1214
883	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
896	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
897	}	1229	}
898		1230
899	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
900		1232
901	Register a callbackf ro execution when the client sends an extcmd packet.	1233	Register a callback for execution when the client sends an (synchronous)
		1234	extcmd packet. Ext commands will be processed in the order they are
		1235	received by the server, like other user commands. The first argument is
		1236	the logged-in player. Ext commands can only be processed after a player
		1237	has logged in successfully.
902		1238
903	If the callback returns something, it is sent back as if reply was being	1239	If the callback returns something, it is sent back as if reply was being
904	called.	1240	called.
905		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
906	=cut	1253	=cut
907		1254
908	sub register_extcmd {	1255	sub register_extcmd {
909	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
910		1257
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
915	}	1265	}
916		1266
917	cf::player->attach (	1267	cf::player->attach (
918	on_command => sub {	1268	on_command => sub {
919	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1278	cf::override;
929	},	1279	},
930	on_extcmd => sub {	1280	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
932		1282
933	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1284
935	if (ref $msg) {	1285	if (ref $msg) {
		1286	my ($type, $reply, @payload) =
		1287	"ARRAY" eq ref $msg
		1288	? @$msg
		1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1290
		1291	my @reply;
		1292
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
941	} else {	1300	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1302	}
944		1303
945	cf::override;	1304	cf::override;
946	},	1305	},
947	);	1306	);
948		1307
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {
956	my ($path) = @_;
957
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;
960	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";
963
964	warn "loading '$path' into '$pkg'\n";
965
966	open my $fh, "<:utf8", $path
967	or die "$path: $!";
968
969	my $source =
970	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })
973	. "\n};\n1";
974
975	eval $source
976	or die $@ ? "$path: $@\n"
977	: "extension disabled.\n";
978
979	push @exts, $pkg;
980	$ext_pkg{$base} = $pkg;
981
982	# no strict 'refs';
983	# @{"$pkg\::ISA"} = ext::;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }
998
999	# remove commands
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}
1008	}
1009
1010	# remove extcmds
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}
1024
1025	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
1026	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	1313	next unless -r $path;
1028	eval {	1314
1029	load_extension $ext;	1315	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1316	my $base = $1;
		1317	my $pkg = $1;
		1318	$pkg =~ s/[^[:word:]]/_/g;
		1319	$pkg = "ext::$pkg";
		1320
		1321	open my $fh, "<:utf8", $path
		1322	or die "$path: $!";
		1323
		1324	my $source = do { local $/; <$fh> };
		1325
		1326	my %ext = (
		1327	path => $path,
		1328	base => $base,
		1329	pkg => $pkg,
		1330	);
		1331
		1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1334
		1335	$ext{source} =
		1336	"package $pkg; use strict; use utf8;\n"
		1337	. "#line 1 \"$path\"\n{\n"
		1338	. $source
		1339	. "\n};\n1";
		1340
		1341	$todo{$base} = \%ext;
		1342	}
		1343
		1344	my %done;
		1345	while (%todo) {
		1346	my $progress;
		1347
		1348	while (my ($k, $v) = each %todo) {
		1349	for (split /,\s*/, $v->{meta}{depends}) {
		1350	goto skip
		1351	unless exists $done{$_};
		1352	}
		1353
		1354	warn "... loading '$k' into '$v->{pkg}'\n";
		1355
		1356	unless (eval $v->{source}) {
		1357	my $msg = $@ ? "$v->{path}: $@\n"
		1358	: "$v->{base}: extension inactive.\n";
		1359
		1360	if (exists $v->{meta}{mandatory}) {
		1361	warn $msg;
		1362	cf::cleanup "mandatory extension failed to load, exiting.";
		1363	}
		1364
		1365	warn $msg;
		1366	}
		1367
		1368	$done{$k} = delete $todo{$k};
		1369	push @EXTS, $v->{pkg};
		1370	$progress = 1;
1030	1	1371	}
1031	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
1032	}	1377	};
1033	}	1378	}
1034		1379
1035	#############################################################################	1380	#############################################################################
1036	# load/save/clean perl data associated with a map
1037		1381
1038	*cf::mapsupport::on_clean = sub {	1382	=back
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		1383
1073	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
1074		1385
1075	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
1076		1387
1077	=cut	1388	=cut
1078		1389
1079	package cf::player;	1390	package cf::player;
1080		1391
		1392	use Coro::AIO;
		1393
1081	=head3 cf::player	1394	=head3 cf::player
1082		1395
1083	=over 4	1396	=over 4
1084		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
		1411
1085	=item cf::player::find $login	1412	=item cf::player::find $login
1086		1413
1087	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
1088		1415
1089	=cut	1416	=cut
1090		1417
1091	sub playerdir($) {	1418	sub playerdir($) {
1092	cf::localdir	1419	"$PLAYERDIR/"
1093	. "/"
1094	. cf::playerdir
1095	. "/"
1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1097	}	1421	}
1098		1422
1099	sub path($) {	1423	sub path($) {
1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101		1425
1102	(playerdir $login) . "/$login.pl"	1426	(playerdir $login) . "/playerdata"
1103	}	1427	}
1104		1428
1105	sub find_active($) {	1429	sub find_active($) {
1106	$cf::PLAYER{$_[0]}	1430	$cf::PLAYER{$_[0]}
1107	and $cf::PLAYER{$_[0]}->active	1431	and $cf::PLAYER{$_[0]}->active
…		…
1110		1434
1111	sub exists($) {	1435	sub exists($) {
1112	my ($login) = @_;	1436	my ($login) = @_;
1113		1437
1114	$cf::PLAYER{$login}	1438	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	1439	or cf::sync_job { !aio_stat path $login }
1116	}	1440	}
1117		1441
1118	sub find($) {	1442	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	1443	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	1444	my $login = $_[0];
1121		1445
1122	my $guard = cf::lock_acquire "user_find:$login";	1446	my $guard = cf::lock_acquire "user_find:$login";
1123		1447
1124	$cf::PLAYER{$_[0]} || do {	1448	$cf::PLAYER{$_[0]} || do {
1125	my $pl = load_pl path $login	1449	# rename old playerfiles to new ones
		1450	#TODO: remove when no longer required
		1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1454	aio_unlink +(playerdir $login) . "/$login.pl";
		1455
		1456	my $f = new_from_file cf::object::thawer path $login
1126	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461
		1462	local $cf::PLAYER_LOADING{$login} = $pl;
		1463	$f->resolve_delayed_derefs;
1127	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
1128	}	1465	}
1129	}	1466	}
1130	}	1467	}
1131		1468
…		…
1137	my $path = path $pl;	1474	my $path = path $pl;
1138	my $guard = cf::lock_acquire "user_save:$path";	1475	my $guard = cf::lock_acquire "user_save:$path";
1139		1476
1140	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
1141		1478
1142	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
1143	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
1144		1481
		1482	cf::get_slot 0.01;
		1483
1145	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
1146	Coro::cede;	1485	cf::cede_to_tick;
1147	}	1486	}
1148		1487
1149	sub new($) {	1488	sub new($) {
1150	my ($login) = @_;	1489	my ($login) = @_;
1151		1490
…		…
1157	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1158		1497
1159	$self	1498	$self
1160	}	1499	}
1161		1500
		1501	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1502
		1503	=cut
		1504
		1505	sub send_msg {
		1506	my $ns = shift->ns
		1507	or return;
		1508	$ns->send_msg (@_);
		1509	}
		1510
		1511	=item $pl->quit_character
		1512
		1513	Nukes the player without looking back. If logged in, the connection will
		1514	be destroyed. May block for a long time.
		1515
		1516	=cut
		1517
1162	sub quit_character {	1518	sub quit_character {
1163	my ($pl) = @_;	1519	my ($pl) = @_;
1164		1520
		1521	my $name = $pl->ob->name;
		1522
1165	$pl->{deny_save} = 1;	1523	$pl->{deny_save} = 1;
1166	$pl->password ("*"); # this should lock out the player until we nuked the dir	1524	$pl->password ("*"); # this should lock out the player until we nuked the dir
1167		1525
1168	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1526	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1169	$pl->deactivate;	1527	$pl->deactivate;
		1528	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1529	$pl->ob->check_score;
1170	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1530	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1171	$pl->ns->destroy if $pl->ns;	1531	$pl->ns->destroy if $pl->ns;
1172		1532
1173	my $path = playerdir $pl;	1533	my $path = playerdir $pl;
1174	my $temp = "$path~$cf::RUNTIME~deleting~";	1534	my $temp = "$path~$cf::RUNTIME~deleting~";
1175	Coro::AIO::aio_rename $path, $temp;	1535	aio_rename $path, $temp;
1176	delete $cf::PLAYER{$pl->ob->name};	1536	delete $cf::PLAYER{$pl->ob->name};
1177	$pl->destroy;	1537	$pl->destroy;
		1538
		1539	my $prefix = qr<^~\Q$name\E/>;
		1540
		1541	# nuke player maps
		1542	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1543
1178	IO::AIO::aio_rmtree $temp;	1544	IO::AIO::aio_rmtree $temp;
1179	}	1545	}
1180		1546
		1547	=item $pl->kick
		1548
		1549	Kicks a player out of the game. This destroys the connection.
		1550
		1551	=cut
		1552
		1553	sub kick {
		1554	my ($pl, $kicker) = @_;
		1555
		1556	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1557	$pl->killer ("kicked");
		1558	$pl->ns->destroy;
		1559	}
		1560
		1561	=item cf::player::list_logins
		1562
		1563	Returns am arrayref of all valid playernames in the system, can take a
		1564	while and may block, so not sync_job-capable, ever.
		1565
		1566	=cut
		1567
		1568	sub list_logins {
		1569	my $dirs = aio_readdir $PLAYERDIR
		1570	or return [];
		1571
		1572	my @logins;
		1573
		1574	for my $login (@$dirs) {
		1575	my $path = path $login;
		1576
		1577	# a .pst is a dead give-away for a valid player
		1578	# if no pst file found, open and chekc for blocked users
		1579	if (aio_stat "$path.pst") {
		1580	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1581	aio_read $fh, 0, 512, my $buf, 0 or next;
		1582	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1583	}
		1584
		1585	utf8::decode $login;
		1586	push @logins, $login;
		1587	}
		1588
		1589	\@logins
		1590	}
		1591
		1592	=item $player->maps
		1593
		1594	Returns an arrayref of map paths that are private for this
		1595	player. May block.
		1596
		1597	=cut
		1598
		1599	sub maps($) {
		1600	my ($pl) = @_;
		1601
		1602	$pl = ref $pl ? $pl->ob->name : $pl;
		1603
		1604	my $files = aio_readdir playerdir $pl
		1605	or return;
		1606
		1607	my @paths;
		1608
		1609	for (@$files) {
		1610	utf8::decode $_;
		1611	next if /\.(?:pl|pst)$/;
		1612	next unless /^$PATH_SEP/o;
		1613
		1614	push @paths, cf::map::normalise "~$pl/$_";
		1615	}
		1616
		1617	\@paths
		1618	}
		1619
		1620	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1621
		1622	Expand crossfire pod fragments into protocol xml.
		1623
		1624	=cut
		1625
		1626	use re 'eval';
		1627
		1628	my $group;
		1629	my $interior; $interior = qr{
		1630	# match a pod interior sequence sans C<< >>
		1631	(?:
		1632	\ (.*?)\ (?{ $group = $^N })
		1633	| < (??{$interior}) >
		1634	)
		1635	}x;
		1636
		1637	sub expand_cfpod {
		1638	my ($self, $pod) = @_;
		1639
		1640	my $xml;
		1641
		1642	while () {
		1643	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1644	$group = $1;
		1645
		1646	$group =~ s/&/&amp;/g;
		1647	$group =~ s/</&lt;/g;
		1648
		1649	$xml .= $group;
		1650	} elsif ($pod =~ m%\G
		1651	([BCGHITU])
		1652	<
		1653	(?:
		1654	([^<>]*) (?{ $group = $^N })
		1655	| < $interior >
		1656	)
		1657	>
		1658	%gcsx
		1659	) {
		1660	my ($code, $data) = ($1, $group);
		1661
		1662	if ($code eq "B") {
		1663	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1664	} elsif ($code eq "I") {
		1665	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1666	} elsif ($code eq "U") {
		1667	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1668	} elsif ($code eq "C") {
		1669	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1670	} elsif ($code eq "T") {
		1671	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1672	} elsif ($code eq "G") {
		1673	my ($male, $female) = split /\|/, $data;
		1674	$data = $self->gender ? $female : $male;
		1675	$xml .= expand_cfpod ($self, $data);
		1676	} elsif ($code eq "H") {
		1677	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1678	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1679	"")
		1680	[$self->{hintmode}];
		1681	} else {
		1682	$xml .= "error processing '$code($data)' directive";
		1683	}
		1684	} else {
		1685	if ($pod =~ /\G(.+)/) {
		1686	warn "parse error while expanding $pod (at $1)";
		1687	}
		1688	last;
		1689	}
		1690	}
		1691
		1692	for ($xml) {
		1693	# create single paragraphs (very hackish)
		1694	s/(?<=\S)\n(?=\w)/ /g;
		1695
		1696	# compress some whitespace
		1697	s/\s+\n/\n/g; # ws line-ends
		1698	s/\n\n+/\n/g; # double lines
		1699	s/^\n+//; # beginning lines
		1700	s/\n+$//; # ending lines
		1701	}
		1702
		1703	$xml
		1704	}
		1705
		1706	no re 'eval';
		1707
		1708	sub hintmode {
		1709	$_[0]{hintmode} = $_[1] if @_ > 1;
		1710	$_[0]{hintmode}
		1711	}
		1712
1181	=item $player->ext_reply ($msgid, $msgtype, %msg)	1713	=item $player->ext_reply ($msgid, @msg)
1182		1714
1183	Sends an ext reply to the player.	1715	Sends an ext reply to the player.
1184		1716
1185	=cut	1717	=cut
1186		1718
1187	sub ext_reply($$$%) {	1719	sub ext_reply($$@) {
1188	my ($self, $id, %msg) = @_;	1720	my ($self, $id, @msg) = @_;
1189		1721
1190	$msg{msgid} = $id;	1722	$self->ns->ext_reply ($id, @msg)
1191
1192	$self->send ("ext " . cf::to_json \%msg);
1193	}	1723	}
1194		1724
1195	package cf;	1725	=item $player->ext_msg ($type, @msg)
		1726
		1727	Sends an ext event to the client.
		1728
		1729	=cut
		1730
		1731	sub ext_msg($$@) {
		1732	my ($self, $type, @msg) = @_;
		1733
		1734	$self->ns->ext_msg ($type, @msg);
		1735	}
		1736
		1737	=head3 cf::region
		1738
		1739	=over 4
		1740
		1741	=cut
		1742
		1743	package cf::region;
		1744
		1745	=item cf::region::find_by_path $path
		1746
		1747	Tries to decuce the likely region for a map knowing only its path.
		1748
		1749	=cut
		1750
		1751	sub find_by_path($) {
		1752	my ($path) = @_;
		1753
		1754	my ($match, $specificity);
		1755
		1756	for my $region (list) {
		1757	if ($region->{match} && $path =~ $region->{match}) {
		1758	($match, $specificity) = ($region, $region->specificity)
		1759	if $region->specificity > $specificity;
		1760	}
		1761	}
		1762
		1763	$match
		1764	}
1196		1765
1197	=back	1766	=back
1198
1199		1767
1200	=head3 cf::map	1768	=head3 cf::map
1201		1769
1202	=over 4	1770	=over 4
1203		1771
…		…
1206	package cf::map;	1774	package cf::map;
1207		1775
1208	use Fcntl;	1776	use Fcntl;
1209	use Coro::AIO;	1777	use Coro::AIO;
1210		1778
		1779	use overload
		1780	'""' => \&as_string,
		1781	fallback => 1;
		1782
1211	our $MAX_RESET = 3600;	1783	our $MAX_RESET = 3600;
1212	our $DEFAULT_RESET = 3000;	1784	our $DEFAULT_RESET = 3000;
1213		1785
1214	sub generate_random_map {	1786	sub generate_random_map {
1215	my ($path, $rmp) = @_;	1787	my ($self, $rmp) = @_;
		1788
		1789	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1216		1790
1217	# mit "rum" bekleckern, nicht	1791	# mit "rum" bekleckern, nicht
1218	cf::map::_create_random_map	1792	$self->_create_random_map (
1219	$path,
1220	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1793	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1221	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1794	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1222	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1795	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1223	$rmp->{exit_on_final_map},	1796	$rmp->{exit_on_final_map},
1224	$rmp->{xsize}, $rmp->{ysize},	1797	$rmp->{xsize}, $rmp->{ysize},
1225	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1798	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1226	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1799	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1227	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1800	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1228	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1801	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1229	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1802	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1230	(cf::region::find $rmp->{region})	1803	(cf::region::find $rmp->{region}), $rmp->{custom}
		1804	)
		1805	}
		1806
		1807	=item cf::map->register ($regex, $prio)
		1808
		1809	Register a handler for the map path matching the given regex at the
		1810	givne priority (higher is better, built-in handlers have priority 0, the
		1811	default).
		1812
		1813	=cut
		1814
		1815	sub register {
		1816	my (undef, $regex, $prio) = @_;
		1817	my $pkg = caller;
		1818
		1819	no strict;
		1820	push @{"$pkg\::ISA"}, __PACKAGE__;
		1821
		1822	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1823	}
		1824
		1825	# also paths starting with '/'
		1826	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1827
		1828	sub thawer_merge {
		1829	my ($self, $merge) = @_;
		1830
		1831	# we have to keep some variables in memory intact
		1832	local $self->{path};
		1833	local $self->{load_path};
		1834
		1835	$self->SUPER::thawer_merge ($merge);
		1836	}
		1837
		1838	sub normalise {
		1839	my ($path, $base) = @_;
		1840
		1841	$path = "$path"; # make sure its a string
		1842
		1843	$path =~ s/\.map$//;
		1844
		1845	# map plan:
		1846	#
		1847	# /! non-realised random map exit (special hack!)
		1848	# {... are special paths that are not being touched
		1849	# ?xxx/... are special absolute paths
		1850	# ?random/... random maps
		1851	# /... normal maps
		1852	# ~user/... per-player map of a specific user
		1853
		1854	$path =~ s/$PATH_SEP/\//go;
		1855
		1856	# treat it as relative path if it starts with
		1857	# something that looks reasonable
		1858	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1859	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1860
		1861	$base =~ s{[^/]+/?$}{};
		1862	$path = "$base/$path";
		1863	}
		1864
		1865	for ($path) {
		1866	redo if s{//}{/};
		1867	redo if s{/\.?/}{/};
		1868	redo if s{/[^/]+/\.\./}{/};
		1869	}
		1870
		1871	$path
		1872	}
		1873
		1874	sub new_from_path {
		1875	my (undef, $path, $base) = @_;
		1876
		1877	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1878
		1879	$path = normalise $path, $base;
		1880
		1881	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1882	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1883	my $self = bless cf::map::new, $pkg;
		1884	$self->{path} = $path; $self->path ($path);
		1885	$self->init; # pass $1 etc.
		1886	return $self;
		1887	}
		1888	}
		1889
		1890	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1891	()
		1892	}
		1893
		1894	sub init {
		1895	my ($self) = @_;
		1896
		1897	$self
		1898	}
		1899
		1900	sub as_string {
		1901	my ($self) = @_;
		1902
		1903	"$self->{path}"
		1904	}
		1905
		1906	# the displayed name, this is a one way mapping
		1907	sub visible_name {
		1908	&as_string
		1909	}
		1910
		1911	# the original (read-only) location
		1912	sub load_path {
		1913	my ($self) = @_;
		1914
		1915	"$MAPDIR/$self->{path}.map"
		1916	}
		1917
		1918	# the temporary/swap location
		1919	sub save_path {
		1920	my ($self) = @_;
		1921
		1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1923	"$TMPDIR/$path.map"
		1924	}
		1925
		1926	# the unique path, undef == no special unique path
		1927	sub uniq_path {
		1928	my ($self) = @_;
		1929
		1930	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1931	"$UNIQUEDIR/$path"
1231	}	1932	}
1232		1933
1233	# and all this just because we cannot iterate over	1934	# and all this just because we cannot iterate over
1234	# all maps in C++...	1935	# all maps in C++...
1235	sub change_all_map_light {	1936	sub change_all_map_light {
…		…
1237		1938
1238	$_->change_map_light ($change)	1939	$_->change_map_light ($change)
1239	for grep $_->outdoor, values %cf::MAP;	1940	for grep $_->outdoor, values %cf::MAP;
1240	}	1941	}
1241		1942
		1943	sub decay_objects {
		1944	my ($self) = @_;
		1945
		1946	return if $self->{deny_reset};
		1947
		1948	$self->do_decay_objects;
		1949	}
		1950
		1951	sub unlink_save {
		1952	my ($self) = @_;
		1953
		1954	utf8::encode (my $save = $self->save_path);
		1955	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1956	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1957	}
		1958
1242	sub try_load_header($) {	1959	sub load_header_from($) {
1243	my ($path) = @_;	1960	my ($self, $path) = @_;
1244		1961
1245	utf8::encode $path;	1962	utf8::encode $path;
1246	aio_open $path, O_RDONLY, 0	1963	my $f = new_from_file cf::object::thawer $path
1247	or return;	1964	or return;
1248		1965
1249	my $map = cf::map::new	1966	$self->_load_header ($f)
1250	or return;	1967	or return;
1251		1968
1252	# for better error messages only, will be overwritten	1969	local $MAP_LOADING{$self->{path}} = $self;
1253	$map->path ($path);	1970	$f->resolve_delayed_derefs;
1254		1971
1255	$map->load_header ($path)	1972	$self->{load_path} = $path;
		1973
		1974	1
		1975	}
		1976
		1977	sub load_header_orig {
		1978	my ($self) = @_;
		1979
		1980	$self->load_header_from ($self->load_path)
		1981	}
		1982
		1983	sub load_header_temp {
		1984	my ($self) = @_;
		1985
		1986	$self->load_header_from ($self->save_path)
		1987	}
		1988
		1989	sub prepare_temp {
		1990	my ($self) = @_;
		1991
		1992	$self->last_access ((delete $self->{last_access})
		1993	|| $cf::RUNTIME); #d#
		1994	# safety
		1995	$self->{instantiate_time} = $cf::RUNTIME
		1996	if $self->{instantiate_time} > $cf::RUNTIME;
		1997	}
		1998
		1999	sub prepare_orig {
		2000	my ($self) = @_;
		2001
		2002	$self->{load_original} = 1;
		2003	$self->{instantiate_time} = $cf::RUNTIME;
		2004	$self->last_access ($cf::RUNTIME);
		2005	$self->instantiate;
		2006	}
		2007
		2008	sub load_header {
		2009	my ($self) = @_;
		2010
		2011	if ($self->load_header_temp) {
		2012	$self->prepare_temp;
		2013	} else {
		2014	$self->load_header_orig
1256	or return;	2015	or return;
		2016	$self->prepare_orig;
		2017	}
1257		2018
1258	$map->{load_path} = $path;	2019	$self->{deny_reset} = 1
		2020	if $self->no_reset;
1259		2021
1260	$map	2022	$self->default_region (cf::region::find_by_path $self->{path})
		2023	unless $self->default_region;
		2024
		2025	1
1261	}	2026	}
1262		2027
1263	sub find;	2028	sub find;
1264	sub find {	2029	sub find {
1265	my ($path, $origin) = @_;	2030	my ($path, $origin) = @_;
1266		2031
1267	#warn "find<$path,$origin>\n";#d#
1268
1269	$path = new cf::path $path, $origin && $origin->path;	2032	$path = normalise $path, $origin && $origin->path;
1270	my $key = $path->as_string;
1271		2033
		2034	cf::lock_wait "map_data:$path";#d#remove
1272	cf::lock_wait "map_find:$key";	2035	cf::lock_wait "map_find:$path";
1273		2036
1274	$cf::MAP{$key} || do {	2037	$cf::MAP{$path} || do {
		2038	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1275	my $guard = cf::lock_acquire "map_find:$key";	2039	my $guard2 = cf::lock_acquire "map_find:$path";
1276		2040
1277	# do it the slow way	2041	my $map = new_from_path cf::map $path
1278	my $map = try_load_header $path->save_path;
1279
1280	Coro::cede;
1281
1282	if ($map) {
1283	$map->last_access ((delete $map->{last_access})
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$map->{instantiate_time} = $cf::RUNTIME
1287	if $map->{instantiate_time} > $cf::RUNTIME;
1288	} else {
1289	if (my $rmp = $path->random_map_params) {
1290	$map = generate_random_map $key, $rmp;
1291	} else {
1292	$map = try_load_header $path->load_path;
1293	}
1294
1295	$map or return;	2042	or return;
1296		2043
1297	$map->{load_original} = 1;
1298	$map->{instantiate_time} = $cf::RUNTIME;
1299	$map->last_access ($cf::RUNTIME);
1300	$map->instantiate;
1301
1302	# per-player maps become, after loading, normal maps
1303	$map->per_player (0) if $path->{user_rel};
1304	}
1305
1306	$map->path ($key);
1307	$map->{path} = $path;
1308	$map->{last_save} = $cf::RUNTIME;	2044	$map->{last_save} = $cf::RUNTIME;
1309		2045
1310	Coro::cede;	2046	$map->load_header
		2047	or return;
1311		2048
1312	if ($map->should_reset) {	2049	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2050	# doing this can freeze the server in a sync job, obviously
		2051	#$cf::WAIT_FOR_TICK->wait;
		2052	undef $guard2;
		2053	undef $guard1;
1313	$map->reset;	2054	$map->reset;
1314	undef $guard;
1315	$map = find $path	2055	return find $path;
1316	or return;
1317	}	2056	}
1318		2057
1319	$cf::MAP{$key} = $map	2058	$cf::MAP{$path} = $map
1320	}	2059	}
1321	}	2060	}
		2061
		2062	sub pre_load { }
		2063	sub post_load { }
1322		2064
1323	sub load {	2065	sub load {
1324	my ($self) = @_;	2066	my ($self) = @_;
1325		2067
		2068	local $self->{deny_reset} = 1; # loading can take a long time
		2069
1326	my $path = $self->{path};	2070	my $path = $self->{path};
		2071
		2072	{
1327	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2073	my $guard = cf::lock_acquire "map_data:$path";
1328		2074
		2075	return unless $self->valid;
1329	return if $self->in_memory != cf::MAP_SWAPPED;	2076	return unless $self->in_memory == cf::MAP_SWAPPED;
1330		2077
1331	$self->in_memory (cf::MAP_LOADING);	2078	$self->in_memory (cf::MAP_LOADING);
1332		2079
1333	$self->alloc;	2080	$self->alloc;
1334	$self->load_objects ($self->{load_path}, 1)	2081
		2082	$self->pre_load;
		2083	cf::cede_to_tick;
		2084
		2085	my $f = new_from_file cf::object::thawer $self->{load_path};
		2086	$f->skip_block;
		2087	$self->_load_objects ($f)
1335	or return;	2088	or return;
1336		2089
1337	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2090	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1338	if delete $self->{load_original};	2091	if delete $self->{load_original};
1339		2092
1340	if (my $uniq = $path->uniq_path) {	2093	if (my $uniq = $self->uniq_path) {
1341	utf8::encode $uniq;	2094	utf8::encode $uniq;
1342	if (aio_open $uniq, O_RDONLY, 0) {	2095	unless (aio_stat $uniq) {
		2096	if (my $f = new_from_file cf::object::thawer $uniq) {
1343	$self->clear_unique_items;	2097	$self->clear_unique_items;
1344	$self->load_objects ($uniq, 0);	2098	$self->_load_objects ($f);
		2099	$f->resolve_delayed_derefs;
		2100	}
1345	}	2101	}
1346	}	2102	}
1347		2103
1348	Coro::cede;	2104	$f->resolve_delayed_derefs;
1349		2105
		2106	cf::cede_to_tick;
1350	# now do the right thing for maps	2107	# now do the right thing for maps
1351	$self->link_multipart_objects;	2108	$self->link_multipart_objects;
1352
1353	if ($self->{path}->is_style_map) {
1354	$self->{deny_save} = 1;
1355	$self->{deny_reset} = 1;
1356	} else {
1357	$self->fix_auto_apply;
1358	$self->decay_objects;
1359	$self->update_buttons;
1360	$self->set_darkness_map;
1361	$self->difficulty ($self->estimate_difficulty)	2109	$self->difficulty ($self->estimate_difficulty)
1362	unless $self->difficulty;	2110	unless $self->difficulty;
		2111	cf::cede_to_tick;
		2112
		2113	unless ($self->{deny_activate}) {
		2114	$self->decay_objects;
		2115	$self->fix_auto_apply;
		2116	$self->update_buttons;
		2117	cf::cede_to_tick;
		2118	$self->set_darkness_map;
		2119	cf::cede_to_tick;
1363	$self->activate;	2120	$self->activate;
1364	}	2121	}
1365		2122
1366	Coro::cede;	2123	$self->{last_save} = $cf::RUNTIME;
		2124	$self->last_access ($cf::RUNTIME);
1367		2125
1368	$self->in_memory (cf::MAP_IN_MEMORY);	2126	$self->in_memory (cf::MAP_ACTIVE);
		2127	}
		2128
		2129	$self->post_load;
		2130	}
		2131
		2132	sub customise_for {
		2133	my ($self, $ob) = @_;
		2134
		2135	return find "~" . $ob->name . "/" . $self->{path}
		2136	if $self->per_player;
		2137
		2138	# return find "?party/" . $ob->name . "/" . $self->{path}
		2139	# if $self->per_party;
		2140
		2141	$self
		2142	}
		2143
		2144	# find and load all maps in the 3x3 area around a map
		2145	sub load_neighbours {
		2146	my ($map) = @_;
		2147
		2148	my @neigh; # diagonal neighbours
		2149
		2150	for (0 .. 3) {
		2151	my $neigh = $map->tile_path ($_)
		2152	or next;
		2153	$neigh = find $neigh, $map
		2154	or next;
		2155	$neigh->load;
		2156
		2157	push @neigh,
		2158	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2159	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2160	}
		2161
		2162	for (grep defined $_->[0], @neigh) {
		2163	my ($path, $origin) = @$_;
		2164	my $neigh = find $path, $origin
		2165	or next;
		2166	$neigh->load;
		2167	}
1369	}	2168	}
1370		2169
1371	sub find_sync {	2170	sub find_sync {
1372	my ($path, $origin) = @_;	2171	my ($path, $origin) = @_;
1373		2172
1374	cf::sync_job { cf::map::find $path, $origin }	2173	cf::sync_job { find $path, $origin }
1375	}	2174	}
1376		2175
1377	sub do_load_sync {	2176	sub do_load_sync {
1378	my ($map) = @_;	2177	my ($map) = @_;
1379		2178
		2179	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2180	if $Coro::current == $Coro::main;
		2181
1380	cf::sync_job { $map->load };	2182	cf::sync_job { $map->load };
		2183	}
		2184
		2185	our %MAP_PREFETCH;
		2186	our $MAP_PREFETCHER = undef;
		2187
		2188	sub find_async {
		2189	my ($path, $origin, $load) = @_;
		2190
		2191	$path = normalise $path, $origin && $origin->{path};
		2192
		2193	if (my $map = $cf::MAP{$path}) {
		2194	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2195	}
		2196
		2197	$MAP_PREFETCH{$path} |= $load;
		2198
		2199	$MAP_PREFETCHER ||= cf::async {
		2200	$Coro::current->{desc} = "map prefetcher";
		2201
		2202	while (%MAP_PREFETCH) {
		2203	while (my ($k, $v) = each %MAP_PREFETCH) {
		2204	if (my $map = find $k) {
		2205	$map->load if $v;
		2206	}
		2207
		2208	delete $MAP_PREFETCH{$k};
		2209	}
		2210	}
		2211	undef $MAP_PREFETCHER;
		2212	};
		2213	$MAP_PREFETCHER->prio (6);
		2214
		2215	()
1381	}	2216	}
1382		2217
1383	sub save {	2218	sub save {
1384	my ($self) = @_;	2219	my ($self) = @_;
1385		2220
1386	my $lock = cf::lock_acquire "map_data:" . $self->path;	2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
1387		2222
1388	$self->{last_save} = $cf::RUNTIME;	2223	$self->{last_save} = $cf::RUNTIME;
1389		2224
1390	return unless $self->dirty;	2225	return unless $self->dirty;
1391		2226
1392	my $save = $self->{path}->save_path; utf8::encode $save;	2227	my $save = $self->save_path; utf8::encode $save;
1393	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2228	my $uniq = $self->uniq_path; utf8::encode $uniq;
1394		2229
1395	$self->{load_path} = $save;	2230	$self->{load_path} = $save;
1396		2231
1397	return if $self->{deny_save};	2232	return if $self->{deny_save};
1398		2233
1399	local $self->{last_access} = $self->last_access;#d#	2234	local $self->{last_access} = $self->last_access;#d#
1400		2235
1401	cf::async {	2236	cf::async {
		2237	$Coro::current->{desc} = "map player save";
1402	$_->contr->save for $self->players;	2238	$_->contr->save for $self->players;
1403	};	2239	};
1404		2240
		2241	cf::get_slot 0.02;
		2242
1405	if ($uniq) {	2243	if ($uniq) {
1406	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2244	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1407	$self->save_objects ($uniq, cf::IO_UNIQUES);	2245	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1408	} else {	2246	} else {
1409	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2247	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1410	}	2248	}
1411	}	2249	}
1412		2250
1413	sub swap_out {	2251	sub swap_out {
1414	my ($self) = @_;	2252	my ($self) = @_;
1415		2253
1416	# save first because save cedes	2254	# save first because save cedes
1417	$self->save;	2255	$self->save;
1418		2256
1419	my $lock = cf::lock_acquire "map_data:" . $self->path;	2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
1420		2258
1421	return if $self->players;	2259	return if $self->players;
1422	return if $self->in_memory != cf::MAP_IN_MEMORY;	2260	return if $self->in_memory != cf::MAP_ACTIVE;
1423	return if $self->{deny_save};	2261	return if $self->{deny_save};
1424		2262
		2263	$self->in_memory (cf::MAP_SWAPPED);
		2264
		2265	$self->deactivate;
		2266	$_->clear_links_to ($self) for values %cf::MAP;
1425	$self->clear;	2267	$self->clear;
1426	$self->in_memory (cf::MAP_SWAPPED);
1427	}	2268	}
1428		2269
1429	sub reset_at {	2270	sub reset_at {
1430	my ($self) = @_;	2271	my ($self) = @_;
1431		2272
1432	# TODO: safety, remove and allow resettable per-player maps	2273	# TODO: safety, remove and allow resettable per-player maps
1433	return 1e99 if $self->{path}{user_rel};
1434	return 1e99 if $self->{deny_reset};	2274	return 1e99 if $self->{deny_reset};
1435		2275
1436	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2276	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1437	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2277	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1438		2278
…		…
1443	my ($self) = @_;	2283	my ($self) = @_;
1444		2284
1445	$self->reset_at <= $cf::RUNTIME	2285	$self->reset_at <= $cf::RUNTIME
1446	}	2286	}
1447		2287
1448	sub unlink_save {
1449	my ($self) = @_;
1450
1451	utf8::encode (my $save = $self->{path}->save_path);
1452	aioreq_pri 3; IO::AIO::aio_unlink $save;
1453	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1454	}
1455
1456	sub rename {
1457	my ($self, $new_path) = @_;
1458
1459	$self->unlink_save;
1460
1461	delete $cf::MAP{$self->path};
1462	$self->{path} = new cf::path $new_path;
1463	$self->path ($self->{path}->as_string);
1464	$cf::MAP{$self->path} = $self;
1465
1466	$self->save;
1467	}
1468
1469	sub reset {	2288	sub reset {
1470	my ($self) = @_;	2289	my ($self) = @_;
1471		2290
1472	my $lock = cf::lock_acquire "map_data:" . $self->path;	2291	my $lock = cf::lock_acquire "map_data:$self->{path}";
1473		2292
1474	return if $self->players;	2293	return if $self->players;
1475	return if $self->{path}{user_rel};#d#
1476		2294
1477	warn "resetting map ", $self->path;#d#	2295	warn "resetting map ", $self->path;
		2296
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# need to save uniques path
		2300	unless ($self->{deny_save}) {
		2301	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2302
		2303	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2304	if $uniq;
		2305	}
1478		2306
1479	delete $cf::MAP{$self->path};	2307	delete $cf::MAP{$self->path};
1480		2308
		2309	$self->deactivate;
1481	$_->clear_links_to ($self) for values %cf::MAP;	2310	$_->clear_links_to ($self) for values %cf::MAP;
		2311	$self->clear;
1482		2312
1483	$self->unlink_save;	2313	$self->unlink_save;
1484	$self->destroy;	2314	$self->destroy;
1485	}	2315	}
1486		2316
1487	my $nuke_counter = "aaaa";	2317	my $nuke_counter = "aaaa";
1488		2318
1489	sub nuke {	2319	sub nuke {
1490	my ($self) = @_;	2320	my ($self) = @_;
1491		2321
		2322	{
		2323	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2324
		2325	delete $cf::MAP{$self->path};
		2326
		2327	$self->unlink_save;
		2328
		2329	bless $self, "cf::map";
		2330	delete $self->{deny_reset};
1492	$self->{deny_save} = 1;	2331	$self->{deny_save} = 1;
1493	$self->reset_timeout (1);	2332	$self->reset_timeout (1);
1494	$self->rename ("{nuke}/" . ($nuke_counter++));	2333	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2334
		2335	$cf::MAP{$self->path} = $self;
		2336	}
		2337
1495	$self->reset; # polite request, might not happen	2338	$self->reset; # polite request, might not happen
1496	}	2339	}
1497		2340
1498	sub customise_for {	2341	=item $maps = cf::map::tmp_maps
1499	my ($map, $ob) = @_;
1500		2342
1501	if ($map->per_player) {	2343	Returns an arrayref with all map paths of currently instantiated and saved
1502	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2344	maps. May block.
		2345
		2346	=cut
		2347
		2348	sub tmp_maps() {
1503	}	2349	[
1504		2350	map {
1505	$map	2351	utf8::decode $_;
		2352	/\.map$/
		2353	? normalise $_
		2354	: ()
		2355	} @{ aio_readdir $TMPDIR or [] }
		2356	]
1506	}	2357	}
1507		2358
1508	sub emergency_save {	2359	=item $maps = cf::map::random_maps
1509	my $freeze_guard = cf::freeze_mainloop;
1510		2360
1511	warn "enter emergency perl save\n";	2361	Returns an arrayref with all map paths of currently instantiated and saved
		2362	random maps. May block.
1512		2363
1513	cf::sync_job {	2364	=cut
1514	warn "begin emergency player save\n";
1515	$_->save for values %cf::PLAYER;
1516	warn "end emergency player save\n";
1517		2365
1518	warn "begin emergency map save\n";	2366	sub random_maps() {
1519	$_->save for values %cf::MAP;	2367	[
1520	warn "end emergency map save\n";	2368	map {
		2369	utf8::decode $_;
		2370	/\.map$/
		2371	? normalise "?random/$_"
		2372	: ()
		2373	} @{ aio_readdir $RANDOMDIR or [] }
		2374	]
		2375	}
		2376
		2377	=item cf::map::unique_maps
		2378
		2379	Returns an arrayref of paths of all shared maps that have
		2380	instantiated unique items. May block.
		2381
		2382	=cut
		2383
		2384	sub unique_maps() {
		2385	[
		2386	map {
		2387	utf8::decode $_;
		2388	s/\.map$//; # TODO future compatibility hack
		2389	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2390	? ()
		2391	: normalise $_
		2392	} @{ aio_readdir $UNIQUEDIR or [] }
		2393	]
		2394	}
		2395
		2396	=back
		2397
		2398	=head3 cf::object
		2399
		2400	=cut
		2401
		2402	package cf::object;
		2403
		2404	=over 4
		2405
		2406	=item $ob->inv_recursive
		2407
		2408	Returns the inventory of the object I<and> their inventories, recursively,
		2409	but I<not> the object itself.
		2410
		2411	=cut
		2412
		2413	sub inv_recursive_;
		2414	sub inv_recursive_ {
		2415	map { $_, inv_recursive_ $_->inv } @_
		2416	}
		2417
		2418	sub inv_recursive {
		2419	inv_recursive_ inv $_[0]
		2420	}
		2421
		2422	=item $ref = $ob->ref
		2423
		2424	Creates and returns a persistent reference to an object that can be stored as a string.
		2425
		2426	=item $ob = cf::object::deref ($refstring)
		2427
		2428	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2429	even if the object actually exists. May block.
		2430
		2431	=cut
		2432
		2433	sub deref {
		2434	my ($ref) = @_;
		2435
		2436	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2437	my ($uuid, $name) = ($1, $2);
		2438	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2439	or return;
		2440	$pl->ob->uuid eq $uuid
		2441	or return;
		2442
		2443	$pl->ob
		2444	} else {
		2445	warn "$ref: cannot resolve object reference\n";
		2446	undef
1521	};	2447	}
1522
1523	warn "leave emergency perl save\n";
1524	}	2448	}
1525		2449
1526	package cf;	2450	package cf;
1527		2451
1528	=back	2452	=back
1529
1530		2453
1531	=head3 cf::object::player	2454	=head3 cf::object::player
1532		2455
1533	=over 4	2456	=over 4
1534		2457
…		…
1537	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2460	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1538	can be C<undef>. Does the right thing when the player is currently in a	2461	can be C<undef>. Does the right thing when the player is currently in a
1539	dialogue with the given NPC character.	2462	dialogue with the given NPC character.
1540		2463
1541	=cut	2464	=cut
		2465
		2466	our $SAY_CHANNEL = {
		2467	id => "say",
		2468	title => "Map",
		2469	reply => "say ",
		2470	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2471	};
		2472
		2473	our $CHAT_CHANNEL = {
		2474	id => "chat",
		2475	title => "Chat",
		2476	reply => "chat ",
		2477	tooltip => "Player chat and shouts, global to the server.",
		2478	};
1542		2479
1543	# rough implementation of a future "reply" method that works	2480	# rough implementation of a future "reply" method that works
1544	# with dialog boxes.	2481	# with dialog boxes.
1545	#TODO: the first argument must go, split into a $npc->reply_to ( method	2482	#TODO: the first argument must go, split into a $npc->reply_to ( method
1546	sub cf::object::player::reply($$$;$) {	2483	sub cf::object::player::reply($$$;$) {
…		…
1548		2485
1549	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2486	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1550		2487
1551	if ($self->{record_replies}) {	2488	if ($self->{record_replies}) {
1552	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2489	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2490
1553	} else {	2491	} else {
		2492	my $pl = $self->contr;
		2493
		2494	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2495	my $dialog = $pl->{npc_dialog};
		2496	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2497
		2498	} else {
1554	$msg = $npc->name . " says: $msg" if $npc;	2499	$msg = $npc->name . " says: $msg" if $npc;
1555	$self->message ($msg, $flags);	2500	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2501	}
1556	}	2502	}
		2503	}
		2504
		2505	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2506
		2507	=cut
		2508
		2509	sub cf::object::send_msg {
		2510	my $pl = shift->contr
		2511	or return;
		2512	$pl->send_msg (@_);
1557	}	2513	}
1558		2514
1559	=item $player_object->may ("access")	2515	=item $player_object->may ("access")
1560		2516
1561	Returns wether the given player is authorized to access resource "access"	2517	Returns wether the given player is authorized to access resource "access"
…		…
1574		2530
1575	=item $player_object->enter_link	2531	=item $player_object->enter_link
1576		2532
1577	Freezes the player and moves him/her to a special map (C<{link}>).	2533	Freezes the player and moves him/her to a special map (C<{link}>).
1578		2534
1579	The player should be reaosnably safe there for short amounts of time. You	2535	The player should be reasonably safe there for short amounts of time. You
1580	I<MUST> call C<leave_link> as soon as possible, though.	2536	I<MUST> call C<leave_link> as soon as possible, though.
1581		2537
		2538	Will never block.
		2539
1582	=item $player_object->leave_link ($map, $x, $y)	2540	=item $player_object->leave_link ($map, $x, $y)
1583		2541
1584	Moves the player out of the specila link map onto the given map. If the	2542	Moves the player out of the special C<{link}> map onto the specified
1585	map is not valid (or omitted), the player will be moved back to the	2543	map. If the map is not valid (or omitted), the player will be moved back
1586	location he/she was before the call to C<enter_link>, or, if that fails,	2544	to the location he/she was before the call to C<enter_link>, or, if that
1587	to the emergency map position.	2545	fails, to the emergency map position.
1588		2546
1589	Might block.	2547	Might block.
1590		2548
1591	=cut	2549	=cut
		2550
		2551	sub link_map {
		2552	unless ($LINK_MAP) {
		2553	$LINK_MAP = cf::map::find "{link}"
		2554	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2555	$LINK_MAP->load;
		2556	}
		2557
		2558	$LINK_MAP
		2559	}
1592		2560
1593	sub cf::object::player::enter_link {	2561	sub cf::object::player::enter_link {
1594	my ($self) = @_;	2562	my ($self) = @_;
1595		2563
1596	$self->deactivate_recursive;	2564	$self->deactivate_recursive;
1597		2565
1598	return if $self->map == $LINK_MAP;	2566	return if UNIVERSAL::isa $self->map, "ext::map_link";
1599		2567
1600	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2568	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1601	if $self->map;	2569	if $self->map && $self->map->{path} ne "{link}";
1602		2570
1603	$self->enter_map ($LINK_MAP, 20, 20);	2571	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1604	}	2572	}
1605		2573
1606	sub cf::object::player::leave_link {	2574	sub cf::object::player::leave_link {
1607	my ($self, $map, $x, $y) = @_;	2575	my ($self, $map, $x, $y) = @_;
		2576
		2577	return unless $self->contr->active;
1608		2578
1609	my $link_pos = delete $self->{_link_pos};	2579	my $link_pos = delete $self->{_link_pos};
1610		2580
1611	unless ($map) {	2581	unless ($map) {
1612	# restore original map position	2582	# restore original map position
…		…
1626	# use -1 or undef as default coordinates, not 0, 0	2596	# use -1 or undef as default coordinates, not 0, 0
1627	($x, $y) = ($map->enter_x, $map->enter_y)	2597	($x, $y) = ($map->enter_x, $map->enter_y)
1628	if $x <=0 && $y <= 0;	2598	if $x <=0 && $y <= 0;
1629		2599
1630	$map->load;	2600	$map->load;
		2601	$map->load_neighbours;
1631		2602
1632	return unless $self->contr->active;	2603	return unless $self->contr->active;
1633	$self->activate_recursive;	2604	$self->activate_recursive;
		2605
		2606	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1634	$self->enter_map ($map, $x, $y);	2607	$self->enter_map ($map, $x, $y);
1635	}	2608	}
1636		2609
1637	cf::player->attach (	2610	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1638	on_logout => sub {
1639	my ($pl) = @_;
1640		2611
1641	# abort map switching before logout	2612	Moves the player to the given map-path and coordinates by first freezing
1642	if ($pl->ob->{_link_pos}) {	2613	her, loading and preparing them map, calling the provided $check callback
1643	cf::sync_job {	2614	that has to return the map if sucecssful, and then unfreezes the player on
1644	$pl->ob->leave_link	2615	the new (success) or old (failed) map position. In either case, $done will
1645	};	2616	be called at the end of this process.
1646	}
1647	},
1648	on_login => sub {
1649	my ($pl) = @_;
1650		2617
1651	# try to abort aborted map switching on player login :)
1652	# should happen only on crashes
1653	if ($pl->ob->{_link_pos}) {
1654	$pl->ob->enter_link;
1655	(async {
1656	# we need this sleep as the login has a concurrent enter_exit running
1657	# and this sleep increases chances of the player not ending up in scorn
1658	$pl->ob->reply (undef,
1659	"There was an internal problem at your last logout, "
1660	. "the server will try to bring you to your intended destination in a second.",
1661	cf::NDI_RED);
1662	Coro::Timer::sleep 1;
1663	$pl->ob->leave_link;
1664	})->prio (2);
1665	}
1666	},
1667	);
1668
1669	=item $player_object->goto ($path, $x, $y)
1670
1671	=cut	2618	=cut
		2619
		2620	our $GOTOGEN;
1672		2621
1673	sub cf::object::player::goto {	2622	sub cf::object::player::goto {
1674	my ($self, $path, $x, $y) = @_;	2623	my ($self, $path, $x, $y, $check, $done) = @_;
		2624
		2625	# do generation counting so two concurrent goto's will be executed in-order
		2626	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1675		2627
1676	$self->enter_link;	2628	$self->enter_link;
1677		2629
1678	(async {	2630	(async {
1679	$path = new cf::path $path;	2631	$Coro::current->{desc} = "player::goto $path $x $y";
1680		2632
1681	my $map = cf::map::find $path->as_string;	2633	# *tag paths override both path and x|y
		2634	if ($path =~ /^\*(.*)$/) {
		2635	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2636	my $ob = $obs[rand @obs];
		2637
		2638	# see if we actually can go there
		2639	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2640	$ob = $obs[rand @obs];
		2641	} else {
		2642	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2643	}
		2644	# else put us there anyways for now #d#
		2645
		2646	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2647	} else {
		2648	($path, $x, $y) = (undef, undef, undef);
		2649	}
		2650	}
		2651
		2652	my $map = eval {
		2653	my $map = defined $path ? cf::map::find $path : undef;
		2654
		2655	if ($map) {
1682	$map = $map->customise_for ($self) if $map;	2656	$map = $map->customise_for ($self);
1683		2657	$map = $check->($map) if $check && $map;
1684	# warn "entering ", $map->path, " at ($x, $y)\n"	2658	} else {
1685	# if $map;
1686
1687	$map or $map->cluck ("oy");#d#
1688	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2659	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2660	}
1689		2661
		2662	$map
		2663	};
		2664
		2665	if ($@) {
		2666	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2667	LOG llevError | logBacktrace, Carp::longmess $@;
		2668	}
		2669
		2670	if ($gen == $self->{_goto_generation}) {
		2671	delete $self->{_goto_generation};
1690	$self->leave_link ($map, $x, $y);	2672	$self->leave_link ($map, $x, $y);
		2673	}
		2674
		2675	$done->() if $done;
1691	})->prio (1);	2676	})->prio (1);
1692	}	2677	}
1693		2678
1694	=item $player_object->enter_exit ($exit_object)	2679	=item $player_object->enter_exit ($exit_object)
1695		2680
…		…
1697		2682
1698	sub parse_random_map_params {	2683	sub parse_random_map_params {
1699	my ($spec) = @_;	2684	my ($spec) = @_;
1700		2685
1701	my $rmp = { # defaults	2686	my $rmp = { # defaults
1702	xsize => 10,	2687	xsize => (cf::rndm 15, 40),
1703	ysize => 10,	2688	ysize => (cf::rndm 15, 40),
		2689	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2690	#layout => string,
1704	};	2691	};
1705		2692
1706	for (split /\n/, $spec) {	2693	for (split /\n/, $spec) {
1707	my ($k, $v) = split /\s+/, $_, 2;	2694	my ($k, $v) = split /\s+/, $_, 2;
1708		2695
…		…
1720	# that depends on the exit object	2707	# that depends on the exit object
1721		2708
1722	my $rmp = parse_random_map_params $exit->msg;	2709	my $rmp = parse_random_map_params $exit->msg;
1723		2710
1724	if ($exit->map) {	2711	if ($exit->map) {
1725	$rmp->{region} = $exit->map->region_name;	2712	$rmp->{region} = $exit->region->name;
1726	$rmp->{origin_map} = $exit->map->path;	2713	$rmp->{origin_map} = $exit->map->path;
1727	$rmp->{origin_x} = $exit->x;	2714	$rmp->{origin_x} = $exit->x;
1728	$rmp->{origin_y} = $exit->y;	2715	$rmp->{origin_y} = $exit->y;
		2716
		2717	$exit->map->touch;
1729	}	2718	}
1730		2719
1731	$rmp->{random_seed} ||= $exit->random_seed;	2720	$rmp->{random_seed} ||= $exit->random_seed;
1732		2721
1733	my $data = cf::to_json $rmp;	2722	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1734	my $md5 = Digest::MD5::md5_hex $data;	2723	my $md5 = Digest::MD5::md5_hex $data;
		2724	my $meta = "$RANDOMDIR/$md5.meta";
1735		2725
1736	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2726	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1737	aio_write $fh, 0, (length $data), $data, 0;	2727	aio_write $fh, 0, (length $data), $data, 0;
		2728	undef $fh;
		2729	aio_rename "$meta~", $meta;
1738		2730
		2731	my $slaying = "?random/$md5";
		2732
		2733	if ($exit->valid) {
1739	$exit->slaying ("?random/$md5");	2734	$exit->slaying ("?random/$md5");
1740	$exit->msg (undef);	2735	$exit->msg (undef);
		2736	}
1741	}	2737	}
1742	}	2738	}
1743		2739
1744	sub cf::object::player::enter_exit {	2740	sub cf::object::player::enter_exit {
1745	my ($self, $exit) = @_;	2741	my ($self, $exit) = @_;
…		…
1747	return unless $self->type == cf::PLAYER;	2743	return unless $self->type == cf::PLAYER;
1748		2744
1749	$self->enter_link;	2745	$self->enter_link;
1750		2746
1751	(async {	2747	(async {
1752	$self->deactivate_recursive; # just to be sure	2748	$Coro::current->{desc} = "enter_exit";
		2749
1753	unless (eval {	2750	unless (eval {
		2751	$self->deactivate_recursive; # just to be sure
		2752
		2753	# random map handling
		2754	{
		2755	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2756
1754	prepare_random_map $exit	2757	prepare_random_map $exit
1755	if $exit->slaying eq "/!";	2758	if $exit->slaying eq "/!";
		2759	}
1756		2760
1757	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2761	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1758	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2762	my $x = $exit->stats->hp;
		2763	my $y = $exit->stats->sp;
1759		2764
		2765	$self->goto ($map, $x, $y);
		2766
		2767	# if exit is damned, update players death & WoR home-position
		2768	$self->contr->savebed ($map, $x, $y)
		2769	if $exit->flag (cf::FLAG_DAMNED);
		2770
1760	1;	2771	1
1761	}) {	2772	}) {
1762	$self->message ("Something went wrong deep within the crossfire server. "	2773	$self->message ("Something went wrong deep within the crossfire server. "
1763	. "I'll try to bring you back to the map you were before. "	2774	. "I'll try to bring you back to the map you were before. "
1764	. "Please report this to the dungeon master",	2775	. "Please report this to the dungeon master!",
1765	cf::NDI_UNIQUE | cf::NDI_RED);	2776	cf::NDI_UNIQUE | cf::NDI_RED);
1766		2777
1767	warn "ERROR in enter_exit: $@";	2778	warn "ERROR in enter_exit: $@";
1768	$self->leave_link;	2779	$self->leave_link;
1769	}	2780	}
1770	})->prio (1);	2781	})->prio (1);
…		…
1783		2794
1784	sub cf::client::send_drawinfo {	2795	sub cf::client::send_drawinfo {
1785	my ($self, $text, $flags) = @_;	2796	my ($self, $text, $flags) = @_;
1786		2797
1787	utf8::encode $text;	2798	utf8::encode $text;
1788	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2799	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1789	}	2800	}
1790		2801
		2802	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2803
		2804	Send a drawinfo or msg packet to the client, formatting the msg for the
		2805	client if neccessary. C<$type> should be a string identifying the type of
		2806	the message, with C<log> being the default. If C<$color> is negative, suppress
		2807	the message unless the client supports the msg packet.
		2808
		2809	=cut
		2810
		2811	# non-persistent channels (usually the info channel)
		2812	our %CHANNEL = (
		2813	"c/identify" => {
		2814	id => "infobox",
		2815	title => "Identify",
		2816	reply => undef,
		2817	tooltip => "Items recently identified",
		2818	},
		2819	"c/examine" => {
		2820	id => "infobox",
		2821	title => "Examine",
		2822	reply => undef,
		2823	tooltip => "Signs and other items you examined",
		2824	},
		2825	"c/book" => {
		2826	id => "infobox",
		2827	title => "Book",
		2828	reply => undef,
		2829	tooltip => "The contents of a note or book",
		2830	},
		2831	"c/lookat" => {
		2832	id => "infobox",
		2833	title => "Look",
		2834	reply => undef,
		2835	tooltip => "What you saw there",
		2836	},
		2837	"c/who" => {
		2838	id => "infobox",
		2839	title => "Players",
		2840	reply => undef,
		2841	tooltip => "Shows players who are currently online",
		2842	},
		2843	"c/body" => {
		2844	id => "infobox",
		2845	title => "Body Parts",
		2846	reply => undef,
		2847	tooltip => "Shows which body parts you posess and are available",
		2848	},
		2849	"c/uptime" => {
		2850	id => "infobox",
		2851	title => "Uptime",
		2852	reply => undef,
		2853	tooltip => "How long the server has been running since last restart",
		2854	},
		2855	"c/mapinfo" => {
		2856	id => "infobox",
		2857	title => "Map Info",
		2858	reply => undef,
		2859	tooltip => "Information related to the maps",
		2860	},
		2861	"c/party" => {
		2862	id => "party",
		2863	title => "Party",
		2864	reply => "gsay ",
		2865	tooltip => "Messages and chat related to your party",
		2866	},
		2867	);
		2868
		2869	sub cf::client::send_msg {
		2870	my ($self, $channel, $msg, $color, @extra) = @_;
		2871
		2872	$msg = $self->pl->expand_cfpod ($msg);
		2873
		2874	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2875
		2876	# check predefined channels, for the benefit of C
		2877	if ($CHANNEL{$channel}) {
		2878	$channel = $CHANNEL{$channel};
		2879
		2880	$self->ext_msg (channel_info => $channel)
		2881	if $self->can_msg;
		2882
		2883	$channel = $channel->{id};
		2884
		2885	} elsif (ref $channel) {
		2886	# send meta info to client, if not yet sent
		2887	unless (exists $self->{channel}{$channel->{id}}) {
		2888	$self->{channel}{$channel->{id}} = $channel;
		2889	$self->ext_msg (channel_info => $channel)
		2890	if $self->can_msg;
		2891	}
		2892
		2893	$channel = $channel->{id};
		2894	}
		2895
		2896	return unless @extra || length $msg;
		2897
		2898	if ($self->can_msg) {
		2899	# default colour, mask it out
		2900	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2901	if $color & cf::NDI_DEF;
		2902
		2903	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2904	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2905	} else {
		2906	if ($color >= 0) {
		2907	# replace some tags by gcfclient-compatible ones
		2908	for ($msg) {
		2909	1 while
		2910	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2911	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2912	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2913	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2914	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2915	}
		2916
		2917	$color &= cf::NDI_COLOR_MASK;
		2918
		2919	utf8::encode $msg;
		2920
		2921	if (0 && $msg =~ /\[/) {
		2922	# COMMAND/INFO
		2923	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2924	} else {
		2925	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2926	$self->send_packet ("drawinfo $color $msg")
		2927	}
		2928	}
		2929	}
		2930	}
		2931
		2932	=item $client->ext_msg ($type, @msg)
		2933
		2934	Sends an ext event to the client.
		2935
		2936	=cut
		2937
		2938	sub cf::client::ext_msg($$@) {
		2939	my ($self, $type, @msg) = @_;
		2940
		2941	if ($self->extcmd == 2) {
		2942	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2943	} elsif ($self->extcmd == 1) { # TODO: remove
		2944	push @msg, msgtype => "event_$type";
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2946	}
		2947	}
		2948
		2949	=item $client->ext_reply ($msgid, @msg)
		2950
		2951	Sends an ext reply to the client.
		2952
		2953	=cut
		2954
		2955	sub cf::client::ext_reply($$@) {
		2956	my ($self, $id, @msg) = @_;
		2957
		2958	if ($self->extcmd == 2) {
		2959	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2960	} elsif ($self->extcmd == 1) {
		2961	#TODO: version 1, remove
		2962	unshift @msg, msgtype => "reply", msgid => $id;
		2963	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2964	}
		2965	}
1791		2966
1792	=item $success = $client->query ($flags, "text", \&cb)	2967	=item $success = $client->query ($flags, "text", \&cb)
1793		2968
1794	Queues a query to the client, calling the given callback with	2969	Queues a query to the client, calling the given callback with
1795	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2970	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1796	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2971	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1797		2972
1798	Queries can fail, so check the return code. Or don't, as queries will become	2973	Queries can fail, so check the return code. Or don't, as queries will
1799	reliable at some point in the future.	2974	become reliable at some point in the future.
1800		2975
1801	=cut	2976	=cut
1802		2977
1803	sub cf::client::query {	2978	sub cf::client::query {
1804	my ($self, $flags, $text, $cb) = @_;	2979	my ($self, $flags, $text, $cb) = @_;
…		…
1812	utf8::encode $text;	2987	utf8::encode $text;
1813	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2988	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1814		2989
1815	$self->send_packet ($self->{query_queue}[0][0])	2990	$self->send_packet ($self->{query_queue}[0][0])
1816	if @{ $self->{query_queue} } == 1;	2991	if @{ $self->{query_queue} } == 1;
		2992
		2993	1
1817	}	2994	}
1818		2995
1819	cf::client->attach (	2996	cf::client->attach (
		2997	on_connect => sub {
		2998	my ($ns) = @_;
		2999
		3000	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3001	},
1820	on_reply => sub {	3002	on_reply => sub {
1821	my ($ns, $msg) = @_;	3003	my ($ns, $msg) = @_;
1822		3004
1823	# this weird shuffling is so that direct followup queries	3005	# this weird shuffling is so that direct followup queries
1824	# get handled first	3006	# get handled first
1825	my $queue = delete $ns->{query_queue}	3007	my $queue = delete $ns->{query_queue}
1826	or return; # be conservative, not sure how that can happen, but we saw a crash here	3008	or return; # be conservative, not sure how that can happen, but we saw a crash here
1827		3009
1828	(shift @$queue)->[1]->($msg);	3010	(shift @$queue)->[1]->($msg);
		3011	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1829		3012
1830	push @{ $ns->{query_queue} }, @$queue;	3013	push @{ $ns->{query_queue} }, @$queue;
1831		3014
1832	if (@{ $ns->{query_queue} } == @$queue) {	3015	if (@{ $ns->{query_queue} } == @$queue) {
1833	if (@$queue) {	3016	if (@$queue) {
…		…
1835	} else {	3018	} else {
1836	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3019	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1837	}	3020	}
1838	}	3021	}
1839	},	3022	},
		3023	on_exticmd => sub {
		3024	my ($ns, $buf) = @_;
		3025
		3026	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3027
		3028	if (ref $msg) {
		3029	my ($type, $reply, @payload) =
		3030	"ARRAY" eq ref $msg
		3031	? @$msg
		3032	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3033
		3034	my @reply;
		3035
		3036	if (my $cb = $EXTICMD{$type}) {
		3037	@reply = $cb->($ns, @payload);
		3038	}
		3039
		3040	$ns->ext_reply ($reply, @reply)
		3041	if $reply;
		3042
		3043	} else {
		3044	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3045	}
		3046
		3047	cf::override;
		3048	},
1840	);	3049	);
1841		3050
1842	=item $client->async (\&cb)	3051	=item $client->async (\&cb)
1843		3052
1844	Create a new coroutine, running the specified callback. The coroutine will	3053	Create a new coroutine, running the specified callback. The coroutine will
…		…
1885	our $safe = new Safe "safe";	3094	our $safe = new Safe "safe";
1886	our $safe_hole = new Safe::Hole;	3095	our $safe_hole = new Safe::Hole;
1887		3096
1888	$SIG{FPE} = 'IGNORE';	3097	$SIG{FPE} = 'IGNORE';
1889		3098
1890	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3099	$safe->permit_only (Opcode::opset qw(
		3100	:base_core :base_mem :base_orig :base_math
		3101	grepstart grepwhile mapstart mapwhile
		3102	sort time
		3103	));
1891		3104
1892	# here we export the classes and methods available to script code	3105	# here we export the classes and methods available to script code
1893		3106
1894	=pod	3107	=pod
1895		3108
1896	The following fucntions and emthods are available within a safe environment:	3109	The following functions and methods are available within a safe environment:
1897		3110
1898	cf::object contr pay_amount pay_player map	3111	cf::object
		3112	contr pay_amount pay_player map x y force_find force_add destroy
		3113	insert remove name archname title slaying race decrease split
		3114
1899	cf::object::player player	3115	cf::object::player
1900	cf::player peaceful	3116	player
1901	cf::map trigger	3117
		3118	cf::player
		3119	peaceful
		3120
		3121	cf::map
		3122	trigger
1902		3123
1903	=cut	3124	=cut
1904		3125
1905	for (	3126	for (
1906	["cf::object" => qw(contr pay_amount pay_player map)],	3127	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3128	insert remove inv nrof name archname title slaying race
		3129	decrease split destroy)],
1907	["cf::object::player" => qw(player)],	3130	["cf::object::player" => qw(player)],
1908	["cf::player" => qw(peaceful)],	3131	["cf::player" => qw(peaceful)],
1909	["cf::map" => qw(trigger)],	3132	["cf::map" => qw(trigger)],
1910	) {	3133	) {
1911	no strict 'refs';	3134	no strict 'refs';
…		…
1982	=back	3205	=back
1983		3206
1984	=cut	3207	=cut
1985		3208
1986	#############################################################################	3209	#############################################################################
		3210	# the server's init and main functions
1987		3211
1988	=head2 EXTENSION DATABASE SUPPORT	3212	sub load_facedata($) {
		3213	my ($path) = @_;
1989		3214
1990	Crossfire maintains a very simple database for extension use. It can	3215	# HACK to clear player env face cache, we need some signal framework
1991	currently store anything that can be serialised using Storable, which	3216	# for this (global event?)
1992	excludes objects.	3217	%ext::player_env::MUSIC_FACE_CACHE = ();
1993		3218
1994	The parameter C<$family> should best start with the name of the extension	3219	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1995	using it, it should be unique.
1996		3220
1997	=over 4	3221	warn "loading facedata from $path\n";
1998		3222
1999	=item $hashref = cf::db_get $family	3223	my $facedata;
		3224	0 < aio_load $path, $facedata
		3225	or die "$path: $!";
2000		3226
2001	Return a hashref for use by the extension C<$family>, which can be	3227	$facedata = Coro::Storable::thaw $facedata;
2002	modified. After modifications, you have to call C<cf::db_dirty> or
2003	C<cf::db_sync>.
2004		3228
2005	=item $value = cf::db_get $family => $key	3229	$facedata->{version} == 2
		3230	or cf::cleanup "$path: version mismatch, cannot proceed.";
2006		3231
2007	Returns a single value from the database	3232	# patch in the exptable
2008		3233	$facedata->{resource}{"res/exp_table"} = {
2009	=item cf::db_put $family => $hashref	3234	type => FT_RSRC,
2010		3235	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2011	Stores the given family hashref into the database. Updates are delayed, if
2012	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2013
2014	=item cf::db_put $family => $key => $value
2015
2016	Stores the given C<$value> in the family hash. Updates are delayed, if you
2017	want the data to be synced to disk immediately, use C<cf::db_sync>.
2018
2019	=item cf::db_dirty
2020
2021	Marks the database as dirty, to be updated at a later time.
2022
2023	=item cf::db_sync
2024
2025	Immediately write the database to disk I<if it is dirty>.
2026
2027	=cut
2028
2029	our $DB;
2030
2031	{
2032	my $path = cf::localdir . "/database.pst";
2033
2034	sub db_load() {
2035	$DB = stat $path ? Storable::retrieve $path : { };
2036	}
2037
2038	my $pid;
2039
2040	sub db_save() {
2041	waitpid $pid, 0 if $pid;
2042	if (0 == ($pid = fork)) {
2043	$DB->{_meta}{version} = 1;
2044	Storable::nstore $DB, "$path~";
2045	rename "$path~", $path;
2046	cf::_exit 0 if defined $pid;
2047	}
2048	}
2049
2050	my $dirty;
2051
2052	sub db_sync() {
2053	db_save if $dirty;
2054	undef $dirty;
2055	}
2056
2057	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2058	db_sync;
2059	});	3236	};
		3237	cf::cede_to_tick;
2060		3238
2061	sub db_dirty() {
2062	$dirty = 1;
2063	$idle->start;
2064	}	3239	{
		3240	my $faces = $facedata->{faceinfo};
2065		3241
2066	sub db_get($;$) {	3242	while (my ($face, $info) = each %$faces) {
2067	@_ >= 2	3243	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2068	? $DB->{$_[0]}{$_[1]}
2069	: ($DB->{$_[0]} ||= { })
2070	}
2071		3244
2072	sub db_put($$;$) {	3245	cf::face::set_visibility $idx, $info->{visibility};
2073	if (@_ >= 3) {	3246	cf::face::set_magicmap $idx, $info->{magicmap};
2074	$DB->{$_[0]}{$_[1]} = $_[2];	3247	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2075	} else {	3248	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2076	$DB->{$_[0]} = $_[1];
2077	}
2078	db_dirty;
2079	}
2080		3249
2081	cf::global->attach (	3250	cf::cede_to_tick;
2082	prio => 10000,
2083	on_cleanup => sub {
2084	db_sync;
2085	},	3251	}
2086	);
2087	}
2088		3252
2089	#############################################################################	3253	while (my ($face, $info) = each %$faces) {
2090	# the server's main()	3254	next unless $info->{smooth};
2091		3255
2092	sub cfg_load {	3256	my $idx = cf::face::find $face
		3257	or next;
		3258
		3259	if (my $smooth = cf::face::find $info->{smooth}) {
		3260	cf::face::set_smooth $idx, $smooth;
		3261	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3262	} else {
		3263	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3264	}
		3265
		3266	cf::cede_to_tick;
		3267	}
		3268	}
		3269
		3270	{
		3271	my $anims = $facedata->{animinfo};
		3272
		3273	while (my ($anim, $info) = each %$anims) {
		3274	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3275	cf::cede_to_tick;
		3276	}
		3277
		3278	cf::anim::invalidate_all; # d'oh
		3279	}
		3280
		3281	{
		3282	# TODO: for gcfclient pleasure, we should give resources
		3283	# that gcfclient doesn't grok a >10000 face index.
		3284	my $res = $facedata->{resource};
		3285
		3286	while (my ($name, $info) = each %$res) {
		3287	if (defined $info->{type}) {
		3288	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3289	my $data;
		3290
		3291	if ($info->{type} & 1) {
		3292	# prepend meta info
		3293
		3294	my $meta = $enc->encode ({
		3295	name => $name,
		3296	%{ $info->{meta} || {} },
		3297	});
		3298
		3299	$data = pack "(w/a*)*", $meta, $info->{data};
		3300	} else {
		3301	$data = $info->{data};
		3302	}
		3303
		3304	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3305	cf::face::set_type $idx, $info->{type};
		3306	} else {
		3307	$RESOURCE{$name} = $info;
		3308	}
		3309
		3310	cf::cede_to_tick;
		3311	}
		3312	}
		3313
		3314	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3315
		3316	1
		3317	}
		3318
		3319	cf::global->attach (on_resource_update => sub {
		3320	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3321	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3322
		3323	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3324	my $sound = $soundconf->{compat}[$_]
		3325	or next;
		3326
		3327	my $face = cf::face::find "sound/$sound->[1]";
		3328	cf::sound::set $sound->[0] => $face;
		3329	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3330	}
		3331
		3332	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3333	my $face = cf::face::find "sound/$v";
		3334	cf::sound::set $k => $face;
		3335	}
		3336	}
		3337	});
		3338
		3339	register_exticmd fx_want => sub {
		3340	my ($ns, $want) = @_;
		3341
		3342	while (my ($k, $v) = each %$want) {
		3343	$ns->fx_want ($k, $v);
		3344	}
		3345	};
		3346
		3347	sub load_resource_file($) {
		3348	my $guard = lock_acquire "load_resource_file";
		3349
		3350	my $status = load_resource_file_ $_[0];
		3351	get_slot 0.1, 100;
		3352	cf::arch::commit_load;
		3353
		3354	$status
		3355	}
		3356
		3357	sub reload_regions {
		3358	# HACK to clear player env face cache, we need some signal framework
		3359	# for this (global event?)
		3360	%ext::player_env::MUSIC_FACE_CACHE = ();
		3361
		3362	load_resource_file "$MAPDIR/regions"
		3363	or die "unable to load regions file\n";
		3364
		3365	for (cf::region::list) {
		3366	$_->{match} = qr/$_->{match}/
		3367	if exists $_->{match};
		3368	}
		3369	}
		3370
		3371	sub reload_facedata {
		3372	load_facedata "$DATADIR/facedata"
		3373	or die "unable to load facedata\n";
		3374	}
		3375
		3376	sub reload_archetypes {
		3377	load_resource_file "$DATADIR/archetypes"
		3378	or die "unable to load archetypes\n";
		3379	}
		3380
		3381	sub reload_treasures {
		3382	load_resource_file "$DATADIR/treasures"
		3383	or die "unable to load treasurelists\n";
		3384	}
		3385
		3386	sub reload_resources {
		3387	warn "reloading resource files...\n";
		3388
		3389	reload_facedata;
		3390	reload_archetypes;
		3391	reload_regions;
		3392	reload_treasures;
		3393
		3394	warn "finished reloading resource files\n";
		3395	}
		3396
		3397	sub init {
		3398	my $guard = freeze_mainloop;
		3399
		3400	reload_resources;
		3401	}
		3402
		3403	sub reload_config {
2093	open my $fh, "<:utf8", cf::confdir . "/config"	3404	open my $fh, "<:utf8", "$CONFDIR/config"
2094	or return;	3405	or return;
2095		3406
2096	local $/;	3407	local $/;
2097	*CFG = YAML::Syck::Load <$fh>;	3408	*CFG = YAML::Load <$fh>;
2098		3409
2099	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3410	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2100		3411
2101	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3412	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2102	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3413	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2112		3423
2113	sub main {	3424	sub main {
2114	# we must not ever block the main coroutine	3425	# we must not ever block the main coroutine
2115	local $Coro::idle = sub {	3426	local $Coro::idle = sub {
2116	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3427	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2117	async { Event::one_event };	3428	(async {
		3429	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3430	EV::loop EV::LOOP_ONESHOT;
		3431	})->prio (Coro::PRIO_MAX);
2118	};	3432	};
2119		3433
2120	cfg_load;	3434	{
2121	db_load;	3435	my $guard = freeze_mainloop;
		3436	reload_config;
		3437	db_init;
2122	load_extensions;	3438	load_extensions;
		3439
		3440	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3441	evthread_start IO::AIO::poll_fileno;
		3442	}
		3443
2123	Event::loop;	3444	EV::loop;
2124	}	3445	}
2125		3446
2126	#############################################################################	3447	#############################################################################
2127	# initialisation	3448	# initialisation and cleanup
2128		3449
		3450	# install some emergency cleanup handlers
		3451	BEGIN {
		3452	our %SIGWATCHER = ();
		3453	for my $signal (qw(INT HUP TERM)) {
		3454	$SIGWATCHER{$signal} = EV::signal $signal, sub {
		3455	cf::cleanup "SIG$signal";
		3456	};
		3457	}
		3458	}
		3459
		3460	sub write_runtime_sync {
		3461	my $runtime = "$LOCALDIR/runtime";
		3462
		3463	# first touch the runtime file to show we are still running:
		3464	# the fsync below can take a very very long time.
		3465
		3466	IO::AIO::aio_utime $runtime, undef, undef;
		3467
		3468	my $guard = cf::lock_acquire "write_runtime";
		3469
		3470	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3471	or return;
		3472
		3473	my $value = $cf::RUNTIME + 90 + 10;
		3474	# 10 is the runtime save interval, for a monotonic clock
		3475	# 60 allows for the watchdog to kill the server.
		3476
		3477	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3478	and return;
		3479
		3480	# always fsync - this file is important
		3481	aio_fsync $fh
		3482	and return;
		3483
		3484	# touch it again to show we are up-to-date
		3485	aio_utime $fh, undef, undef;
		3486
		3487	close $fh
		3488	or return;
		3489
		3490	aio_rename "$runtime~", $runtime
		3491	and return;
		3492
		3493	warn "runtime file written.\n";
		3494
		3495	1
		3496	}
		3497
		3498	our $uuid_lock;
		3499	our $uuid_skip;
		3500
		3501	sub write_uuid_sync($) {
		3502	$uuid_skip ||= $_[0];
		3503
		3504	return if $uuid_lock;
		3505	local $uuid_lock = 1;
		3506
		3507	my $uuid = "$LOCALDIR/uuid";
		3508
		3509	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3510	or return;
		3511
		3512	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3513	$uuid_skip = 0;
		3514
		3515	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3516	and return;
		3517
		3518	# always fsync - this file is important
		3519	aio_fsync $fh
		3520	and return;
		3521
		3522	close $fh
		3523	or return;
		3524
		3525	aio_rename "$uuid~", $uuid
		3526	and return;
		3527
		3528	warn "uuid file written ($value).\n";
		3529
		3530	1
		3531
		3532	}
		3533
		3534	sub write_uuid($$) {
		3535	my ($skip, $sync) = @_;
		3536
		3537	$sync ? write_uuid_sync $skip
		3538	: async { write_uuid_sync $skip };
		3539	}
		3540
		3541	sub emergency_save() {
		3542	my $freeze_guard = cf::freeze_mainloop;
		3543
		3544	warn "enter emergency perl save\n";
		3545
		3546	cf::sync_job {
		3547	# use a peculiar iteration method to avoid tripping on perl
		3548	# refcount bugs in for. also avoids problems with players
		3549	# and maps saved/destroyed asynchronously.
		3550	warn "begin emergency player save\n";
		3551	for my $login (keys %cf::PLAYER) {
		3552	my $pl = $cf::PLAYER{$login} or next;
		3553	$pl->valid or next;
		3554	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3555	$pl->save;
		3556	}
		3557	warn "end emergency player save\n";
		3558
		3559	warn "begin emergency map save\n";
		3560	for my $path (keys %cf::MAP) {
		3561	my $map = $cf::MAP{$path} or next;
		3562	$map->valid or next;
		3563	$map->save;
		3564	}
		3565	warn "end emergency map save\n";
		3566
		3567	warn "begin emergency database checkpoint\n";
		3568	BDB::db_env_txn_checkpoint $DB_ENV;
		3569	warn "end emergency database checkpoint\n";
		3570
		3571	warn "begin write uuid\n";
		3572	write_uuid_sync 1;
		3573	warn "end write uuid\n";
		3574	};
		3575
		3576	warn "leave emergency perl save\n";
		3577	}
		3578
		3579	sub post_cleanup {
		3580	my ($make_core) = @_;
		3581
		3582	warn Carp::longmess "post_cleanup backtrace"
		3583	if $make_core;
		3584	}
		3585
2129	sub reload() {	3586	sub do_reload_perl() {
2130	# can/must only be called in main	3587	# can/must only be called in main
2131	if ($Coro::current != $Coro::main) {	3588	if ($Coro::current != $Coro::main) {
2132	warn "can only reload from main coroutine\n";	3589	warn "can only reload from main coroutine";
2133	return;	3590	return;
2134	}	3591	}
2135		3592
2136	warn "reloading...";	3593	warn "reloading...";
2137		3594
2138	my $guard = freeze_mainloop;	3595	warn "entering sync_job";
		3596
		3597	cf::sync_job {
		3598	cf::write_runtime_sync; # external watchdog should not bark
2139	cf::emergency_save;	3599	cf::emergency_save;
		3600	cf::write_runtime_sync; # external watchdog should not bark
2140		3601
2141	eval {	3602	warn "syncing database to disk";
		3603	BDB::db_env_txn_checkpoint $DB_ENV;
		3604
2142	# if anything goes wrong in here, we should simply crash as we already saved	3605	# if anything goes wrong in here, we should simply crash as we already saved
2143		3606
2144	# cancel all watchers	3607	warn "flushing outstanding aio requests";
2145	for (Event::all_watchers) {	3608	for (;;) {
2146	$_->cancel if $_->data & WF_AUTOCANCEL;	3609	BDB::flush;
		3610	IO::AIO::flush;
		3611	Coro::cede_notself;
		3612	last unless IO::AIO::nreqs || BDB::nreqs;
		3613	warn "iterate...";
2147	}	3614	}
2148		3615
		3616	++$RELOAD;
		3617
2149	# cancel all extension coros	3618	warn "cancelling all extension coros";
2150	$_->cancel for values %EXT_CORO;	3619	$_->cancel for values %EXT_CORO;
2151	%EXT_CORO = ();	3620	%EXT_CORO = ();
2152		3621
2153	# unload all extensions	3622	warn "removing commands";
2154	for (@exts) {	3623	%COMMAND = ();
		3624
		3625	warn "removing ext/exti commands";
		3626	%EXTCMD = ();
		3627	%EXTICMD = ();
		3628
		3629	warn "unloading/nuking all extensions";
		3630	for my $pkg (@EXTS) {
2155	warn "unloading <$_>";	3631	warn "... unloading $pkg";
2156	unload_extension $_;	3632
		3633	if (my $cb = $pkg->can ("unload")) {
		3634	eval {
		3635	$cb->($pkg);
		3636	1
		3637	} or warn "$pkg unloaded, but with errors: $@";
2157	}	3638	}
2158		3639
		3640	warn "... nuking $pkg";
		3641	Symbol::delete_package $pkg;
		3642	}
		3643
2159	# unload all modules loaded from $LIBDIR	3644	warn "unloading all perl modules loaded from $LIBDIR";
2160	while (my ($k, $v) = each %INC) {	3645	while (my ($k, $v) = each %INC) {
2161	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3646	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2162		3647
2163	warn "removing <$k>";	3648	warn "... unloading $k";
2164	delete $INC{$k};	3649	delete $INC{$k};
2165		3650
2166	$k =~ s/\.pm$//;	3651	$k =~ s/\.pm$//;
2167	$k =~ s/\//::/g;	3652	$k =~ s/\//::/g;
2168		3653
…		…
2171	}	3656	}
2172		3657
2173	Symbol::delete_package $k;	3658	Symbol::delete_package $k;
2174	}	3659	}
2175		3660
2176	# sync database to disk
2177	cf::db_sync;
2178	IO::AIO::flush;
2179
2180	# get rid of safe::, as good as possible	3661	warn "getting rid of safe::, as good as possible";
2181	Symbol::delete_package "safe::$_"	3662	Symbol::delete_package "safe::$_"
2182	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3663	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2183		3664
2184	# remove register_script_function callbacks
2185	# TODO
2186
2187	# unload cf.pm "a bit"	3665	warn "unloading cf.pm \"a bit\"";
2188	delete $INC{"cf.pm"};	3666	delete $INC{"cf.pm"};
		3667	delete $INC{"cf/pod.pm"};
2189		3668
2190	# don't, removes xs symbols, too,	3669	# don't, removes xs symbols, too,
2191	# and global variables created in xs	3670	# and global variables created in xs
2192	#Symbol::delete_package __PACKAGE__;	3671	#Symbol::delete_package __PACKAGE__;
2193		3672
2194	# reload cf.pm	3673	warn "unload completed, starting to reload now";
		3674
2195	warn "reloading cf.pm";	3675	warn "reloading cf.pm";
2196	require cf;	3676	require cf;
2197	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3677	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2198		3678
2199	# load config and database again	3679	warn "loading config and database again";
2200	cf::cfg_load;	3680	cf::reload_config;
2201	cf::db_load;
2202		3681
2203	# load extensions
2204	warn "load extensions";	3682	warn "loading extensions";
2205	cf::load_extensions;	3683	cf::load_extensions;
2206		3684
2207	# reattach attachments to objects	3685	warn "reattaching attachments to objects/players";
2208	warn "reattach";	3686	_global_reattach; # objects, sockets
2209	_global_reattach;	3687	warn "reattaching attachments to maps";
2210	reattach $_ for values %MAP;	3688	reattach $_ for values %MAP;
		3689	warn "reattaching attachments to players";
		3690	reattach $_ for values %PLAYER;
		3691
		3692	warn "leaving sync_job";
		3693
		3694	1
		3695	} or do {
		3696	warn $@;
		3697	cf::cleanup "error while reloading, exiting.";
2211	};	3698	};
2212		3699
2213	if ($@) {	3700	warn "reloaded";
2214	warn $@;
2215	warn "error while reloading, exiting.";
2216	exit 1;
2217	}
2218
2219	warn "reloaded successfully";
2220	};	3701	};
2221		3702
2222	#############################################################################	3703	our $RELOAD_WATCHER; # used only during reload
2223		3704
2224	unless ($LINK_MAP) {	3705	sub reload_perl() {
2225	$LINK_MAP = cf::map::new;	3706	# doing reload synchronously and two reloads happen back-to-back,
		3707	# coro crashes during coro_state_free->destroy here.
2226		3708
2227	$LINK_MAP->width (41);	3709	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2228	$LINK_MAP->height (41);	3710	do_reload_perl;
2229	$LINK_MAP->alloc;	3711	undef $RELOAD_WATCHER;
2230	$LINK_MAP->path ("{link}");	3712	};
2231	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2232	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2233
2234	# dirty hack because... archetypes are not yet loaded
2235	Event->timer (
2236	after => 10,
2237	cb => sub {
2238	$_[0]->w->cancel;
2239
2240	# provide some exits "home"
2241	my $exit = cf::object::new "exit";
2242
2243	$exit->slaying ($EMERGENCY_POSITION->[0]);
2244	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2245	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2246
2247	$LINK_MAP->insert ($exit->clone, 19, 19);
2248	$LINK_MAP->insert ($exit->clone, 19, 20);
2249	$LINK_MAP->insert ($exit->clone, 19, 21);
2250	$LINK_MAP->insert ($exit->clone, 20, 19);
2251	$LINK_MAP->insert ($exit->clone, 20, 21);
2252	$LINK_MAP->insert ($exit->clone, 21, 19);
2253	$LINK_MAP->insert ($exit->clone, 21, 20);
2254	$LINK_MAP->insert ($exit->clone, 21, 21);
2255
2256	$exit->destroy;
2257	});
2258
2259	$LINK_MAP->{deny_save} = 1;
2260	$LINK_MAP->{deny_reset} = 1;
2261
2262	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2263	}	3713	}
2264
2265	register "<global>", __PACKAGE__;
2266		3714
2267	register_command "reload" => sub {	3715	register_command "reload" => sub {
2268	my ($who, $arg) = @_;	3716	my ($who, $arg) = @_;
2269		3717
2270	if ($who->flag (FLAG_WIZ)) {	3718	if ($who->flag (FLAG_WIZ)) {
2271	$who->message ("start of reload.");
2272	reload;
2273	$who->message ("end of reload.");	3719	$who->message ("reloading server.");
		3720	async {
		3721	$Coro::current->{desc} = "perl_reload";
		3722	reload_perl;
		3723	};
2274	}	3724	}
2275	};	3725	};
2276		3726
2277	unshift @INC, $LIBDIR;	3727	unshift @INC, $LIBDIR;
2278		3728
2279	$TICK_WATCHER = Event->timer (	3729	my $bug_warning = 0;
2280	reentrant => 0,	3730
2281	prio => 0,	3731	our @WAIT_FOR_TICK;
2282	at => $NEXT_TICK || $TICK,	3732	our @WAIT_FOR_TICK_BEGIN;
2283	data => WF_AUTOCANCEL,	3733
2284	cb => sub {	3734	sub wait_for_tick {
		3735	return if tick_inhibit || $Coro::current == $Coro::main;
		3736
		3737	my $signal = new Coro::Signal;
		3738	push @WAIT_FOR_TICK, $signal;
		3739	$signal->wait;
		3740	}
		3741
		3742	sub wait_for_tick_begin {
		3743	return if tick_inhibit || $Coro::current == $Coro::main;
		3744
		3745	my $signal = new Coro::Signal;
		3746	push @WAIT_FOR_TICK_BEGIN, $signal;
		3747	$signal->wait;
		3748	}
		3749
		3750	sub tick {
		3751	if ($Coro::current != $Coro::main) {
		3752	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3753	unless ++$bug_warning > 10;
		3754	return;
		3755	}
		3756
2285	cf::server_tick; # one server iteration	3757	cf::server_tick; # one server iteration
2286	$RUNTIME += $TICK;
2287	$NEXT_TICK += $TICK;
2288		3758
2289	# if we are delayed by four ticks or more, skip them all	3759	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2290	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3760	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2291		3761	Coro::async_pool {
2292	$TICK_WATCHER->at ($NEXT_TICK);	3762	$Coro::current->{desc} = "runtime saver";
2293	$TICK_WATCHER->start;
2294	},
2295	);
2296
2297	IO::AIO::max_poll_time $TICK * 0.2;
2298
2299	Event->io (
2300	fd => IO::AIO::poll_fileno,
2301	poll => 'r',
2302	prio => 5,
2303	data => WF_AUTOCANCEL,
2304	cb => \&IO::AIO::poll_cb,
2305	);
2306
2307	Event->timer (
2308	data => WF_AUTOCANCEL,
2309	after => 0,
2310	interval => 10,
2311	cb => sub {
2312	(Coro::unblock_sub {
2313	write_runtime	3763	write_runtime_sync
2314	or warn "ERROR: unable to write runtime file: $!";	3764	or warn "ERROR: unable to write runtime file: $!";
2315	})->();	3765	};
2316	},	3766	}
2317	);	3767
		3768	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3769	$sig->send;
		3770	}
		3771	while (my $sig = shift @WAIT_FOR_TICK) {
		3772	$sig->send;
		3773	}
		3774
		3775	$LOAD = ($NOW - $TICK_START) / $TICK;
		3776	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3777
		3778	if (0) {
		3779	if ($NEXT_TICK) {
		3780	my $jitter = $TICK_START - $NEXT_TICK;
		3781	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3782	warn "jitter $JITTER\n";#d#
		3783	}
		3784	}
		3785	}
		3786
		3787	{
		3788	# configure BDB
		3789
		3790	BDB::min_parallel 8;
		3791	BDB::max_poll_reqs $TICK * 0.1;
		3792	$Coro::BDB::WATCHER->priority (1);
		3793
		3794	unless ($DB_ENV) {
		3795	$DB_ENV = BDB::db_env_create;
		3796	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3797	| BDB::LOG_AUTOREMOVE, 1);
		3798	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3799	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3800
		3801	cf::sync_job {
		3802	eval {
		3803	BDB::db_env_open
		3804	$DB_ENV,
		3805	$BDBDIR,
		3806	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3807	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3808	0666;
		3809
		3810	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3811	};
		3812
		3813	cf::cleanup "db_env_open(db): $@" if $@;
		3814	};
		3815	}
		3816
		3817	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3818	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3819	};
		3820	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3821	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3822	};
		3823	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3824	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3825	};
		3826	}
		3827
		3828	{
		3829	# configure IO::AIO
		3830
		3831	IO::AIO::min_parallel 8;
		3832	IO::AIO::max_poll_time $TICK * 0.1;
		3833	$Coro::AIO::WATCHER->priority (1);
		3834	}
		3835
		3836	my $_log_backtrace;
		3837
		3838	sub _log_backtrace {
		3839	my ($msg, @addr) = @_;
		3840
		3841	$msg =~ s/\n//;
		3842
		3843	# limit the # of concurrent backtraces
		3844	if ($_log_backtrace < 2) {
		3845	++$_log_backtrace;
		3846	async {
		3847	$Coro::current->{desc} = "abt $msg";
		3848
		3849	my @bt = fork_call {
		3850	@addr = map { sprintf "%x", $_ } @addr;
		3851	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3852	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3853	or die "addr2line: $!";
		3854
		3855	my @funcs;
		3856	my @res = <$fh>;
		3857	chomp for @res;
		3858	while (@res) {
		3859	my ($func, $line) = splice @res, 0, 2, ();
		3860	push @funcs, "[$func] $line";
		3861	}
		3862
		3863	@funcs
		3864	};
		3865
		3866	LOG llevInfo, "[ABT] $msg\n";
		3867	LOG llevInfo, "[ABT] $_\n" for @bt;
		3868	--$_log_backtrace;
		3869	};
		3870	} else {
		3871	LOG llevInfo, "[ABT] $msg\n";
		3872	LOG llevInfo, "[ABT] [suppressed]\n";
		3873	}
		3874	}
		3875
		3876	# load additional modules
		3877	use cf::pod;
2318		3878
2319	END { cf::emergency_save }	3879	END { cf::emergency_save }
2320		3880
2321	1	3881	1
2322		3882

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