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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.428 by root, Thu May 1 06:33:19 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV 3.2;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
12		35
13	use Coro 3.3 ();	36	use Coro 4.50 ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::EV;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
18	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
		45	use Coro::Storable;
		46	use Coro::Util ();
19		47
		48	use JSON::XS 2.01 ();
		49	use BDB ();
20	use Data::Dumper;	50	use Data::Dumper;
21	use Digest::MD5;	51	use Digest::MD5;
22	use Fcntl;	52	use Fcntl;
		53	use YAML ();
23	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
24	use YAML::Syck ();
25	use Time::HiRes;	55	use Time::HiRes;
		56	use Compress::LZF;
		57	use Digest::MD5 ();
26		58
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	59	# configure various modules to our taste
		60	#
		61	$Storable::canonical = 1; # reduce rsync transfers
		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
		64
		65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		66
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		68
36	our %COMMAND = ();	69	our %COMMAND = ();
37	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
38		71
39	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
43		77
		78	our $RELOAD; # number of reloads so far
44	our @EVENT;	79	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		80
47	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(!)
48	our $TICK_WATCHER;	95	our $AIO_POLL_WATCHER;
		96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	97	our $NEXT_TICK;
50	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;
51		105
52	our %CFG;	106	our %CFG;
53		107
54	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
56		111
57	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		115
65	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		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 $TICK_START; # for load detecting purposes
		123
68	binmode STDOUT;	124	binmode STDOUT;
69	binmode STDERR;	125	binmode STDERR;
70		126
71	# read virtual server time, if available	127	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
76	}	132	}
77		133
78	mkdir cf::localdir;	134	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		136
84	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
		138
		139	sub cf::map::normalise;
85		140
86	#############################################################################	141	#############################################################################
87		142
88	=head2 GLOBAL VARIABLES	143	=head2 GLOBAL VARIABLES
89		144
…		…
96	=item $cf::RUNTIME	151	=item $cf::RUNTIME
97		152
98	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
99	every server tick.	154	every server tick.
100		155
101	=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
102		159
103	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
104	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.
105		164
106	=item $cf::NOW	165	=item $cf::NOW
107		166
108	The time of the last (current) server tick.	167	The time of the last (current) server tick.
109		168
110	=item $cf::TICK	169	=item $cf::TICK
111		170
112	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
113		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
114	=item %cf::CFG	183	=item %cf::CFG
115		184
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
117	from wherever your confdir points to.	186	from wherever your confdir points to.
118		187
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		189
121	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
122	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	191	returns directly I<after> the tick processing (and consequently, can only wake one process
123	processing has been done. Call C<< ->wait >> on them to maximise the	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
124	window of cpu time available, or simply to synchronise to the server tick.	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.
125		199
126	=back	200	=back
127		201
128	=cut	202	=cut
129		203
130	BEGIN {	204	BEGIN {
131	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	206	my $msg = join "", @_;
133	utf8::encode $msg;
134		207
135	$msg .= "\n"	208	$msg .= "\n"
136	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
137		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
138	LOG llevError, $msg;	213	LOG llevError, $msg;
139	};	214	};
140	}	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#?
141		231
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@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';
147	@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)
148		239
149	# 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
150	# within the Safe compartment.	241	# within the Safe compartment.
151	for my $pkg (qw(	242	for my $pkg (qw(
152	cf::global cf::attachable	243	cf::global cf::attachable
…		…
157	)) {	248	)) {
158	no strict 'refs';	249	no strict 'refs';
159	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
160	}	251	}
161		252
162	$Event::DIED = sub {	253	$EV::DIED = sub {
163	warn "error in event callback: @_";	254	warn "error in event callback: @_";
164	};	255	};
		256
		257	#############################################################################
165		258
166	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
167		260
168	=over 4	261	=over 4
169		262
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	282	$d
190	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
191	}	284	}
192		285
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
196		287
197	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
198		289
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
207		291
208	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
209		293
210	=cut	294	=cut
211		295
212	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
214	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
215	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
216		300
217	=item cf::lock_wait $string	301	=item cf::lock_wait $string
218		302
219	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
220		304
…		…
223	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
224	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,
225	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
226	returned.	310	returned.
227		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
228	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
229	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
230		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
231	=cut	322	=cut
232		323
233	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
234		326
235	sub lock_wait($) {	327	sub lock_wait($) {
236	my ($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#
237		334
238	# wait for lock, if any	335	# wait for lock, if any
239	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;	338	Coro::schedule;
…		…
247		344
248	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
249	lock_wait $key;	346	lock_wait $key;
250		347
251	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
252		350
253	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
254	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
256	}	355	}
257	}	356	}
258		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
259	sub freeze_mainloop {	364	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
261		366
262	my $guard = Coro::guard { $TICK_WATCHER->start };	367	Coro::guard \&tick_inhibit_dec;
263	$TICK_WATCHER->stop;	368	}
264	$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	$sig->wait;
265	}	443	}
266		444
267	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
268		446
269	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		452
275	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
276		454
277	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
278		456
279	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
282		461
283	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
286	fast or be very important.	465	fast or be very important.
…		…
289		468
290	sub sync_job(&) {	469	sub sync_job(&) {
291	my ($job) = @_;	470	my ($job) = @_;
292		471
293	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
294	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
296		477
297	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	479
299	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
300		481
301	my $busy = 1;	482	my $busy = 1;
302	my @res;	483	my @res;
303		484
304	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	487	@res = eval { $job->() };
306	warn $@ if $@;	488	warn $@ if $@;
307	undef $busy;	489	undef $busy;
308	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
309		491
310	while ($busy) {	492	while ($busy) {
311	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
312	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
313		503
314	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
315	} else {	505	} else {
316	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
317		507
…		…
337	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
338		528
339	$coro	529	$coro
340	}	530	}
341		531
342	sub write_runtime {	532	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		533
345	my $runtime = cf::localdir . "/runtime";	534	Executes the given code block with the given arguments in a seperate
		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.
346		538
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	539	=cut
348	or return;
349		540
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	541	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	542	my ($cb, @args) = @_;
352	and return;
353		543
354	aio_fsync $fh	544	# we seemingly have to make a local copy of the whole thing,
355	and return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
356		547
357	close $fh	548	my @res = Coro::Util::fork_eval {
358	or return;	549	reset_signals;
		550	&$cb
		551	}, @args;
359		552
360	aio_rename "$runtime~", $runtime	553	wantarray ? @res : $res[-1]
361	and return;	554	}
362		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($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
363	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		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 });
364	}	719	}
365		720
366	=back	721	=back
367		722
368	=cut	723	=cut
…		…
375	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")
376	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
377		732
378	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>
379	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
380	crossfire+).	735	Deliantra).
381		736
382	=over 4	737	=over 4
383		738
384	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
385		740
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	854	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	855	our @CB_MAP = ();
501		856
502	my %attachment;	857	my %attachment;
503		858
		859	sub cf::attachable::thawer_merge {
		860	# simply override everything except _meta
		861	local $_[0]{_meta};
		862	%{$_[0]} = %{$_[1]};
		863	}
		864
504	sub _attach_cb($$$$) {	865	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	866	my ($registry, $event, $prio, $cb) = @_;
506		867
507	use sort 'stable';	868	use sort 'stable';
508		869
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
543		904
544	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		909
549	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	911	my $pkg = shift @arg;
551		912
552	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
582	}	943	}
583		944
584	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
585	} else {	946	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	948	}
588		949
589	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
590	}	951	}
591		952
…		…
593	if (ref $_[0]) {	954	if (ref $_[0]) {
594	_object_attach @_;	955	_object_attach @_;
595	} else {	956	} else {
596	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
597	}	958	}
		959	_recalc_want;
598	};	960	};
599		961
600	# all those should be optimised	962	# all those should be optimised
601	sub cf::attachable::detach {	963	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
606	reattach ($obj);	968	reattach ($obj);
607	} else {	969	} else {
608	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
609	}	971	}
		972	_recalc_want;
610	};	973	};
611		974
612	sub cf::attachable::attached {	975	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
614		977
…		…
629	";	992	";
630	die if $@;	993	die if $@;
631	}	994	}
632		995
633	our $override;	996	our $override;
634	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?
635		998
636	sub override {	999	sub override {
637	$override = 1;	1000	$override = 1;
638	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
639	}	1002	}
640		1003
641	sub do_invoke {	1004	sub do_invoke {
642	my $event = shift;	1005	my $event = shift;
643	my $callbacks = shift;	1006	my $callbacks = shift;
644		1007
645	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
646		1009
647	local $override;	1010	local $override;
648		1011
649	for (@$callbacks) {	1012	for (@$callbacks) {
650	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
659	}	1022	}
660		1023
661	0	1024	0
662	}	1025	}
663		1026
664	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
665		1028
666	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
667		1030
668	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
669		1032
670	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
671	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
672	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		1036
674	=back	1037	=back
675		1038
676	=cut	1039	=cut
677		1040
678	#############################################################################	1041	#############################################################################
679	# 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	}
680		1085
681	sub reattach {	1086	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	1088	my ($obj) = @_;
		1089
		1090	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		1091
685	my $registry = $obj->registry;	1092	my $registry = $obj->registry;
686		1093
687	@$registry = ();	1094	@$registry = ();
688		1095
…		…
703	cf::attachable->attach (	1110	cf::attachable->attach (
704	prio => -1000000,	1111	prio => -1000000,
705	on_instantiate => sub {	1112	on_instantiate => sub {
706	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
707		1114
708	$data = from_json $data;	1115	$data = decode_json $data;
709		1116
710	for (@$data) {	1117	for (@$data) {
711	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
712		1119
713	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
729	sub object_freezer_save {	1136	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
731		1138
732	sync_job {	1139	sync_job {
733	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
734	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
736		1144
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1148	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1149	aio_close $fh;
742		1150
743	if (@$objs) {	1151	if (@$objs) {
744	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) {
745	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1156	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1157	aio_close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
751	}	1159	}
752	} else {	1160	} else {
753	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
754	}	1162	}
…		…
759	}	1167	}
760	} else {	1168	} else {
761	aio_unlink $filename;	1169	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
763	}	1171	}
764	}	1172	};
765	}	1173	}
766		1174
767	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
769		1177
…		…
781	or return;	1189	or return;
782		1190
783	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
785	or return;	1193	or return;
		1194
786	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
787	}	1197	}
788		1198
		1199	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
791	return ($data, $av);	1203	($data, $av)
792	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
793		1211
794	#############################################################################	1212	#############################################################################
795	# command handling &c	1213	# command handling &c
796		1214
797	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1229	}
812		1230
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1232
815	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.
816		1238
817	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
818	called.	1240	called.
819		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
820	=cut	1253	=cut
821		1254
822	sub register_extcmd {	1255	sub register_extcmd {
823	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
824		1257
825	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
826	}	1265	}
827		1266
828	cf::player->attach (	1267	cf::player->attach (
829	on_command => sub {	1268	on_command => sub {
830	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1278	cf::override;
840	},	1279	},
841	on_extcmd => sub {	1280	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
843		1282
844	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1284
846	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
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
852	} else {	1300	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1302	}
855		1303
856	cf::override;	1304	cf::override;
857	},	1305	},
858	);	1306	);
859		1307
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
895	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1313	next unless -r $path;
897	eval {	1314
898	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;
899	1	1371	}
900	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
901	}	1377	};
902	}	1378	}
903		1379
904	#############################################################################	1380	#############################################################################
905	# load/save/clean perl data associated with a map
906		1381
907	*cf::mapsupport::on_clean = sub {	1382	=back
908	my ($map) = @_;
909
910	my $path = $map->tmpname;
911	defined $path or return;
912
913	unlink "$path.pst";
914	};
915
916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918	#############################################################################
919		1383
920	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
921		1385
922	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
923		1387
…		…
929		1393
930	=head3 cf::player	1394	=head3 cf::player
931		1395
932	=over 4	1396	=over 4
933		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
934	=item cf::player::find $login	1412	=item cf::player::find $login
935		1413
936	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
937		1415
938	=cut	1416	=cut
939		1417
940	sub playerdir($) {	1418	sub playerdir($) {
941	cf::localdir	1419	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1421	}
947		1422
948	sub path($) {	1423	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1425
951	(playerdir $login) . "/$login.pl"	1426	(playerdir $login) . "/playerdata"
952	}	1427	}
953		1428
954	sub find_active($) {	1429	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1430	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1431	and $cf::PLAYER{$_[0]}->active
…		…
959		1434
960	sub exists($) {	1435	sub exists($) {
961	my ($login) = @_;	1436	my ($login) = @_;
962		1437
963	$cf::PLAYER{$login}	1438	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1439	or cf::sync_job { !aio_stat path $login }
965	}	1440	}
966		1441
967	sub find($) {	1442	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1443	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1444	my $login = $_[0];
970		1445
971	my $guard = cf::lock_acquire "user_find:$login";	1446	my $guard = cf::lock_acquire "user_find:$login";
972		1447
973	$cf::PLAYER{$_[0]} || do {	1448	$cf::PLAYER{$_[0]} || do {
974	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
975	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;
976	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
977	}	1465	}
978	}	1466	}
979	}	1467	}
980		1468
…		…
989	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
990		1478
991	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
992	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
993		1481
		1482	cf::get_slot 0.01;
		1483
994	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
995	Coro::cede;	1485	cf::cede_to_tick;
996	}	1486	}
997		1487
998	sub new($) {	1488	sub new($) {
999	my ($login) = @_;	1489	my ($login) = @_;
1000		1490
…		…
1006	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1007		1497
1008	$self	1498	$self
1009	}	1499	}
1010		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
1011	=item $pl->quit_character	1511	=item $pl->quit_character
1012		1512
1013	Nukes the player without looking back. If logged in, the connection will	1513	Nukes the player without looking back. If logged in, the connection will
1014	be destroyed. May block for a long time.	1514	be destroyed. May block for a long time.
1015		1515
1016	=cut	1516	=cut
1017		1517
1018	sub quit_character {	1518	sub quit_character {
1019	my ($pl) = @_;	1519	my ($pl) = @_;
		1520
		1521	my $name = $pl->ob->name;
1020		1522
1021	$pl->{deny_save} = 1;	1523	$pl->{deny_save} = 1;
1022	$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
1023		1525
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1526	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1029	my $path = playerdir $pl;	1531	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1532	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1533	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1534	delete $cf::PLAYER{$pl->ob->name};
1033	$pl->destroy;	1535	$pl->destroy;
		1536
		1537	my $prefix = qr<^~\Q$name\E/>;
		1538
		1539	# nuke player maps
		1540	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1541
1034	IO::AIO::aio_rmtree $temp;	1542	IO::AIO::aio_rmtree $temp;
		1543	}
		1544
		1545	=item $pl->kick
		1546
		1547	Kicks a player out of the game. This destroys the connection.
		1548
		1549	=cut
		1550
		1551	sub kick {
		1552	my ($pl, $kicker) = @_;
		1553
		1554	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1555	$pl->killer ("kicked");
		1556	$pl->ns->destroy;
1035	}	1557	}
1036		1558
1037	=item cf::player::list_logins	1559	=item cf::player::list_logins
1038		1560
1039	Returns am arrayref of all valid playernames in the system, can take a	1561	Returns am arrayref of all valid playernames in the system, can take a
1040	while and may block, so not sync_job-capable, ever.	1562	while and may block, so not sync_job-capable, ever.
1041		1563
1042	=cut	1564	=cut
1043		1565
1044	sub list_logins {	1566	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1567	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1568	or return [];
1047		1569
1048	my @logins;	1570	my @logins;
1049		1571
1050	for my $login (@$dirs) {	1572	for my $login (@$dirs) {
		1573	my $path = path $login;
		1574
		1575	# a .pst is a dead give-away for a valid player
		1576	# if no pst file found, open and chekc for blocked users
		1577	if (aio_stat "$path.pst") {
1051	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1578	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1052	aio_read $fh, 0, 512, my $buf, 0 or next;	1579	aio_read $fh, 0, 512, my $buf, 0 or next;
1053	$buf !~ /^password -------------$/m or next; # official not-valid tag	1580	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1581	}
1054		1582
1055	utf8::decode $login;	1583	utf8::decode $login;
1056	push @logins, $login;	1584	push @logins, $login;
1057	}	1585	}
1058		1586
…		…
1066		1594
1067	=cut	1595	=cut
1068		1596
1069	sub maps($) {	1597	sub maps($) {
1070	my ($pl) = @_;	1598	my ($pl) = @_;
		1599
		1600	$pl = ref $pl ? $pl->ob->name : $pl;
1071		1601
1072	my $files = aio_readdir playerdir $pl	1602	my $files = aio_readdir playerdir $pl
1073	or return;	1603	or return;
1074		1604
1075	my @paths;	1605	my @paths;
…		…
1077	for (@$files) {	1607	for (@$files) {
1078	utf8::decode $_;	1608	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1609	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1610	next unless /^$PATH_SEP/o;
1081		1611
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1612	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1613	}
1084		1614
1085	\@paths	1615	\@paths
1086	}	1616	}
1087		1617
		1618	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1619
		1620	Expand crossfire pod fragments into protocol xml.
		1621
		1622	=cut
		1623
		1624	use re 'eval';
		1625
		1626	my $group;
		1627	my $interior; $interior = qr{
		1628	# match a pod interior sequence sans C<< >>
		1629	(?:
		1630	\ (.*?)\ (?{ $group = $^N })
		1631	| < (??{$interior}) >
		1632	)
		1633	}x;
		1634
		1635	sub expand_cfpod {
		1636	my ($self, $pod) = @_;
		1637
		1638	my $xml;
		1639
		1640	while () {
		1641	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1642	$group = $1;
		1643
		1644	$group =~ s/&/&amp;/g;
		1645	$group =~ s/</&lt;/g;
		1646
		1647	$xml .= $group;
		1648	} elsif ($pod =~ m%\G
		1649	([BCGHITU])
		1650	<
		1651	(?:
		1652	([^<>]*) (?{ $group = $^N })
		1653	| < $interior >
		1654	)
		1655	>
		1656	%gcsx
		1657	) {
		1658	my ($code, $data) = ($1, $group);
		1659
		1660	if ($code eq "B") {
		1661	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1662	} elsif ($code eq "I") {
		1663	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1664	} elsif ($code eq "U") {
		1665	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1666	} elsif ($code eq "C") {
		1667	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1668	} elsif ($code eq "T") {
		1669	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1670	} elsif ($code eq "G") {
		1671	my ($male, $female) = split /\|/, $data;
		1672	$data = $self->gender ? $female : $male;
		1673	$xml .= expand_cfpod ($self, $data);
		1674	} elsif ($code eq "H") {
		1675	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1676	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1677	"")
		1678	[$self->{hintmode}];
		1679	} else {
		1680	$xml .= "error processing '$code($data)' directive";
		1681	}
		1682	} else {
		1683	if ($pod =~ /\G(.+)/) {
		1684	warn "parse error while expanding $pod (at $1)";
		1685	}
		1686	last;
		1687	}
		1688	}
		1689
		1690	for ($xml) {
		1691	# create single paragraphs (very hackish)
		1692	s/(?<=\S)\n(?=\w)/ /g;
		1693
		1694	# compress some whitespace
		1695	s/\s+\n/\n/g; # ws line-ends
		1696	s/\n\n+/\n/g; # double lines
		1697	s/^\n+//; # beginning lines
		1698	s/\n+$//; # ending lines
		1699	}
		1700
		1701	$xml
		1702	}
		1703
		1704	no re 'eval';
		1705
		1706	sub hintmode {
		1707	$_[0]{hintmode} = $_[1] if @_ > 1;
		1708	$_[0]{hintmode}
		1709	}
		1710
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1711	=item $player->ext_reply ($msgid, @msg)
1089		1712
1090	Sends an ext reply to the player.	1713	Sends an ext reply to the player.
1091		1714
1092	=cut	1715	=cut
1093		1716
1094	sub ext_reply($$$%) {	1717	sub ext_reply($$@) {
1095	my ($self, $id, %msg) = @_;	1718	my ($self, $id, @msg) = @_;
1096		1719
1097	$msg{msgid} = $id;	1720	$self->ns->ext_reply ($id, @msg)
1098
1099	$self->send ("ext " . cf::to_json \%msg);
1100	}	1721	}
1101		1722
1102	package cf;	1723	=item $player->ext_msg ($type, @msg)
		1724
		1725	Sends an ext event to the client.
		1726
		1727	=cut
		1728
		1729	sub ext_msg($$@) {
		1730	my ($self, $type, @msg) = @_;
		1731
		1732	$self->ns->ext_msg ($type, @msg);
		1733	}
		1734
		1735	=head3 cf::region
		1736
		1737	=over 4
		1738
		1739	=cut
		1740
		1741	package cf::region;
		1742
		1743	=item cf::region::find_by_path $path
		1744
		1745	Tries to decuce the likely region for a map knowing only its path.
		1746
		1747	=cut
		1748
		1749	sub find_by_path($) {
		1750	my ($path) = @_;
		1751
		1752	my ($match, $specificity);
		1753
		1754	for my $region (list) {
		1755	if ($region->{match} && $path =~ $region->{match}) {
		1756	($match, $specificity) = ($region, $region->specificity)
		1757	if $region->specificity > $specificity;
		1758	}
		1759	}
		1760
		1761	$match
		1762	}
1103		1763
1104	=back	1764	=back
1105
1106		1765
1107	=head3 cf::map	1766	=head3 cf::map
1108		1767
1109	=over 4	1768	=over 4
1110		1769
…		…
1114		1773
1115	use Fcntl;	1774	use Fcntl;
1116	use Coro::AIO;	1775	use Coro::AIO;
1117		1776
1118	use overload	1777	use overload
1119	'""' => \&as_string;	1778	'""' => \&as_string,
		1779	fallback => 1;
1120		1780
1121	our $MAX_RESET = 3600;	1781	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1782	our $DEFAULT_RESET = 3000;
1123		1783
1124	sub generate_random_map {	1784	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1785	my ($self, $rmp) = @_;
		1786
		1787	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1126		1788
1127	# mit "rum" bekleckern, nicht	1789	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1790	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1800	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1801	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1802	)
1141	}	1803	}
1142		1804
		1805	=item cf::map->register ($regex, $prio)
		1806
		1807	Register a handler for the map path matching the given regex at the
		1808	givne priority (higher is better, built-in handlers have priority 0, the
		1809	default).
		1810
		1811	=cut
		1812
1143	sub register {	1813	sub register {
1144	my (undef, $regex) = @_;	1814	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1815	my $pkg = caller;
1146		1816
1147	no strict;	1817	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1818	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1819
1150	$EXT_MAP{$pkg} = qr<$regex>;	1820	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1821	}
1152		1822
1153	# also paths starting with '/'	1823	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1824	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1825
		1826	sub thawer_merge {
		1827	my ($self, $merge) = @_;
		1828
		1829	# we have to keep some variables in memory intact
		1830	local $self->{path};
		1831	local $self->{load_path};
		1832
		1833	$self->SUPER::thawer_merge ($merge);
		1834	}
1155		1835
1156	sub normalise {	1836	sub normalise {
1157	my ($path, $base) = @_;	1837	my ($path, $base) = @_;
		1838
		1839	$path = "$path"; # make sure its a string
		1840
		1841	$path =~ s/\.map$//;
1158		1842
1159	# map plan:	1843	# map plan:
1160	#	1844	#
1161	# /! non-realised random map exit (special hack!)	1845	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1846	# {... are special paths that are not being touched
…		…
1190		1874
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1875	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1876
1193	$path = normalise $path, $base;	1877	$path = normalise $path, $base;
1194		1878
1195	for my $pkg (keys %EXT_MAP) {	1879	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1880	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1881	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1882	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1883	$self->init; # pass $1 etc.
1200	return $self;	1884	return $self;
1201	}	1885	}
1202	}	1886	}
1203		1887
1204	Carp::carp "unable to resolve path '$path'.";	1888	Carp::cluck "unable to resolve path '$path' (base '$base').";
1205	()	1889	()
1206	}	1890	}
1207		1891
1208	sub init {	1892	sub init {
1209	my ($self) = @_;	1893	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1904	# the displayed name, this is a one way mapping
1221	sub visible_name {	1905	sub visible_name {
1222	&as_string	1906	&as_string
1223	}	1907	}
1224		1908
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1909	# the original (read-only) location
1233	sub load_path {	1910	sub load_path {
1234	my ($self) = @_;	1911	my ($self) = @_;
1235		1912
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1913	"$MAPDIR/$self->{path}.map"
1237	}	1914	}
1238		1915
1239	# the temporary/swap location	1916	# the temporary/swap location
1240	sub save_path {	1917	sub save_path {
1241	my ($self) = @_;	1918	my ($self) = @_;
1242		1919
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1920	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1921	"$TMPDIR/$path.map"
1244	}	1922	}
1245		1923
1246	# the unique path, undef == no special unique path	1924	# the unique path, undef == no special unique path
1247	sub uniq_path {	1925	sub uniq_path {
1248	my ($self) = @_;	1926	my ($self) = @_;
1249		1927
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1929	"$UNIQUEDIR/$path"
1251	}	1930	}
1252		1931
1253	# and all this just because we cannot iterate over	1932	# and all this just because we cannot iterate over
1254	# all maps in C++...	1933	# all maps in C++...
1255	sub change_all_map_light {	1934	sub change_all_map_light {
…		…
1257		1936
1258	$_->change_map_light ($change)	1937	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1938	for grep $_->outdoor, values %cf::MAP;
1260	}	1939	}
1261		1940
		1941	sub decay_objects {
		1942	my ($self) = @_;
		1943
		1944	return if $self->{deny_reset};
		1945
		1946	$self->do_decay_objects;
		1947	}
		1948
1262	sub unlink_save {	1949	sub unlink_save {
1263	my ($self) = @_;	1950	my ($self) = @_;
1264		1951
1265	utf8::encode (my $save = $self->save_path);	1952	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1953	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1954	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1955	}
1269		1956
1270	sub load_header_from($) {	1957	sub load_header_from($) {
1271	my ($self, $path) = @_;	1958	my ($self, $path) = @_;
1272		1959
1273	utf8::encode $path;	1960	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1961	my $f = new_from_file cf::object::thawer $path
1275	or return;	1962	or return;
1276		1963
1277	$self->_load_header ($path)	1964	$self->_load_header ($f)
1278	or return;	1965	or return;
1279		1966
		1967	local $MAP_LOADING{$self->{path}} = $self;
		1968	$f->resolve_delayed_derefs;
		1969
1280	$self->{load_path} = $path;	1970	$self->{load_path} = $path;
1281		1971
1282	1	1972	1
1283	}	1973	}
1284		1974
1285	sub load_orig {	1975	sub load_header_orig {
1286	my ($self) = @_;	1976	my ($self) = @_;
1287		1977
1288	$self->load_header_from ($self->load_path)	1978	$self->load_header_from ($self->load_path)
1289	}	1979	}
1290		1980
1291	sub load_temp {	1981	sub load_header_temp {
1292	my ($self) = @_;	1982	my ($self) = @_;
1293		1983
1294	$self->load_header_from ($self->save_path)	1984	$self->load_header_from ($self->save_path)
		1985	}
		1986
		1987	sub prepare_temp {
		1988	my ($self) = @_;
		1989
		1990	$self->last_access ((delete $self->{last_access})
		1991	|| $cf::RUNTIME); #d#
		1992	# safety
		1993	$self->{instantiate_time} = $cf::RUNTIME
		1994	if $self->{instantiate_time} > $cf::RUNTIME;
		1995	}
		1996
		1997	sub prepare_orig {
		1998	my ($self) = @_;
		1999
		2000	$self->{load_original} = 1;
		2001	$self->{instantiate_time} = $cf::RUNTIME;
		2002	$self->last_access ($cf::RUNTIME);
		2003	$self->instantiate;
1295	}	2004	}
1296		2005
1297	sub load_header {	2006	sub load_header {
1298	my ($self) = @_;	2007	my ($self) = @_;
1299		2008
1300	if ($self->load_temp) {	2009	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	2010	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	2011	} else {
1307	$self->load_orig	2012	$self->load_header_orig
1308	or return;	2013	or return;
1309		2014	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	2015	}
		2016
		2017	$self->{deny_reset} = 1
		2018	if $self->no_reset;
		2019
		2020	$self->default_region (cf::region::find_by_path $self->{path})
		2021	unless $self->default_region;
1315		2022
1316	1	2023	1
1317	}	2024	}
1318		2025
1319	sub find;	2026	sub find;
1320	sub find {	2027	sub find {
1321	my ($path, $origin) = @_;	2028	my ($path, $origin) = @_;
1322		2029
1323	$path = normalise $path, $origin && $origin->path;	2030	$path = normalise $path, $origin && $origin->path;
1324		2031
		2032	cf::lock_wait "map_data:$path";#d#remove
1325	cf::lock_wait "map_find:$path";	2033	cf::lock_wait "map_find:$path";
1326		2034
1327	$cf::MAP{$path} || do {	2035	$cf::MAP{$path} || do {
1328	my $guard = cf::lock_acquire "map_find:$path";	2036	my $guard1 = cf::lock_acquire "map_find:$path";
		2037	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2038
1329	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1330	or return;	2040	or return;
1331		2041
1332	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1333		2043
1334	$map->load_header	2044	$map->load_header
1335	or return;	2045	or return;
1336		2046
1337	if ($map->should_reset) {	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2048	# doing this can freeze the server in a sync job, obviously
		2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard1;
		2051	undef $guard2;
1338	$map->reset;	2052	$map->reset;
1339	undef $guard;
1340	$map = find $path	2053	return find $path;
1341	or return;
1342	}	2054	}
1343		2055
1344	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1345	}	2057	}
1346	}	2058	}
		2059
		2060	sub pre_load { }
		2061	sub post_load { }
1347		2062
1348	sub load {	2063	sub load {
1349	my ($self) = @_;	2064	my ($self) = @_;
1350		2065
		2066	local $self->{deny_reset} = 1; # loading can take a long time
		2067
1351	my $path = $self->{path};	2068	my $path = $self->{path};
		2069
		2070	{
1352	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1353		2072
		2073	return unless $self->valid;
1354	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1355		2075
1356	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1357		2077
1358	$self->alloc;	2078	$self->alloc;
1359	$self->_load_objects ($self->{load_path}, 1)	2079
		2080	$self->pre_load;
		2081	cf::cede_to_tick;
		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
		2085	$self->_load_objects ($f)
1360	or return;	2086	or return;
1361		2087
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1363	if delete $self->{load_original};	2089	if delete $self->{load_original};
1364		2090
1365	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;	2092	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1368	$self->clear_unique_items;	2095	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1370	}	2099	}
1371	}	2100	}
1372		2101
1373	Coro::cede;	2102	$f->resolve_delayed_derefs;
1374		2103
		2104	cf::cede_to_tick;
1375	# now do the right thing for maps	2105	# now do the right thing for maps
1376	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1377
1378	unless ($self->{deny_activate}) {
1379	$self->decay_objects;
1380	$self->fix_auto_apply;
1381	$self->update_buttons;
1382	Coro::cede;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	2108	unless $self->difficulty;
1386	Coro::cede;	2109	cf::cede_to_tick;
		2110
		2111	unless ($self->{deny_activate}) {
		2112	$self->decay_objects;
		2113	$self->fix_auto_apply;
		2114	$self->update_buttons;
		2115	cf::cede_to_tick;
		2116	$self->set_darkness_map;
		2117	cf::cede_to_tick;
1387	$self->activate;	2118	$self->activate;
1388	}	2119	}
1389		2120
		2121	$self->{last_save} = $cf::RUNTIME;
		2122	$self->last_access ($cf::RUNTIME);
		2123
1390	$self->in_memory (cf::MAP_IN_MEMORY);	2124	$self->in_memory (cf::MAP_ACTIVE);
		2125	}
		2126
		2127	$self->post_load;
1391	}	2128	}
1392		2129
1393	sub customise_for {	2130	sub customise_for {
1394	my ($self, $ob) = @_;	2131	my ($self, $ob) = @_;
1395		2132
1396	return find "~" . $ob->name . "/" . $self->{path}	2133	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	2134	if $self->per_player;
1398		2135
		2136	# return find "?party/" . $ob->name . "/" . $self->{path}
		2137	# if $self->per_party;
		2138
1399	$self	2139	$self
1400	}	2140	}
1401		2141
1402	# find and load all maps in the 3x3 area around a map	2142	# find and load all maps in the 3x3 area around a map
1403	sub load_diag {	2143	sub load_neighbours {
1404	my ($map) = @_;	2144	my ($map) = @_;
1405		2145
1406	my @diag; # diagonal neighbours	2146	my @neigh; # diagonal neighbours
1407		2147
1408	for (0 .. 3) {	2148	for (0 .. 3) {
1409	my $neigh = $map->tile_path ($_)	2149	my $neigh = $map->tile_path ($_)
1410	or next;	2150	or next;
1411	$neigh = find $neigh, $map	2151	$neigh = find $neigh, $map
1412	or next;	2152	or next;
1413	$neigh->load;	2153	$neigh->load;
1414		2154
		2155	push @neigh,
1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2156	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2157	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1417	}	2158	}
1418		2159
1419	for (@diag) {	2160	for (grep defined $_->[0], @neigh) {
		2161	my ($path, $origin) = @$_;
1420	my $neigh = find @$_	2162	my $neigh = find $path, $origin
1421	or next;	2163	or next;
1422	$neigh->load;	2164	$neigh->load;
1423	}	2165	}
1424	}	2166	}
1425		2167
…		…
1430	}	2172	}
1431		2173
1432	sub do_load_sync {	2174	sub do_load_sync {
1433	my ($map) = @_;	2175	my ($map) = @_;
1434		2176
		2177	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2178	if $Coro::current == $Coro::main;
		2179
1435	cf::sync_job { $map->load };	2180	cf::sync_job { $map->load };
1436	}	2181	}
1437		2182
1438	our %MAP_PREFETCH;	2183	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	2184	our $MAP_PREFETCHER = undef;
1440	while () {
1441	for my $path (keys %MAP_PREFETCH) {
1442	my $map = find $path
1443	or next;
1444	$map->load;
1445
1446	delete $MAP_PREFETCH{$path};
1447	}
1448	Coro::schedule;
1449	}
1450	};
1451		2185
1452	sub find_async {	2186	sub find_async {
1453	my ($path, $origin) = @_;	2187	my ($path, $origin, $load) = @_;
1454		2188
1455	$path = normalise $path, $origin && $origin->{path};	2189	$path = normalise $path, $origin && $origin->{path};
1456		2190
1457	if (my $map = $cf::MAP{$path}) {	2191	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2193	}
		2194
		2195	$MAP_PREFETCH{$path} |= $load;
		2196
		2197	$MAP_PREFETCHER ||= cf::async {
		2198	$Coro::current->{desc} = "map prefetcher";
		2199
		2200	while (%MAP_PREFETCH) {
		2201	while (my ($k, $v) = each %MAP_PREFETCH) {
		2202	if (my $map = find $k) {
		2203	$map->load if $v;
		2204	}
		2205
		2206	delete $MAP_PREFETCH{$k};
		2207	}
		2208	}
		2209	undef $MAP_PREFETCHER;
1459	}	2210	};
1460
1461	$MAP_PREFETCH{$path} = 0;
1462	$MAP_PREFETCHER->ready;	2211	$MAP_PREFETCHER->prio (6);
1463		2212
1464	()	2213	()
1465	}	2214	}
1466		2215
1467	sub save {	2216	sub save {
1468	my ($self) = @_;	2217	my ($self) = @_;
1469		2218
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	2219	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		2220
1472	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
1473		2222
1474	return unless $self->dirty;	2223	return unless $self->dirty;
1475		2224
…		…
1481	return if $self->{deny_save};	2230	return if $self->{deny_save};
1482		2231
1483	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
1484		2233
1485	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
1486	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
1487	};	2237	};
		2238
		2239	cf::get_slot 0.02;
1488		2240
1489	if ($uniq) {	2241	if ($uniq) {
1490	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1491	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1492	} else {	2244	} else {
…		…
1498	my ($self) = @_;	2250	my ($self) = @_;
1499		2251
1500	# save first because save cedes	2252	# save first because save cedes
1501	$self->save;	2253	$self->save;
1502		2254
1503	my $lock = cf::lock_acquire "map_data:" . $self->path;	2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
1504		2256
1505	return if $self->players;	2257	return if $self->players;
1506	return if $self->in_memory != cf::MAP_IN_MEMORY;	2258	return if $self->in_memory != cf::MAP_ACTIVE;
1507	return if $self->{deny_save};	2259	return if $self->{deny_save};
1508		2260
		2261	$self->in_memory (cf::MAP_SWAPPED);
		2262
		2263	$self->deactivate;
		2264	$_->clear_links_to ($self) for values %cf::MAP;
1509	$self->clear;	2265	$self->clear;
1510	$self->in_memory (cf::MAP_SWAPPED);
1511	}	2266	}
1512		2267
1513	sub reset_at {	2268	sub reset_at {
1514	my ($self) = @_;	2269	my ($self) = @_;
1515		2270
1516	# TODO: safety, remove and allow resettable per-player maps	2271	# TODO: safety, remove and allow resettable per-player maps
1517	return 1e99 if $self->isa ("ext::map_per_player");
1518	return 1e99 if $self->{deny_reset};	2272	return 1e99 if $self->{deny_reset};
1519		2273
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2274	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2275	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		2276
…		…
1527	my ($self) = @_;	2281	my ($self) = @_;
1528		2282
1529	$self->reset_at <= $cf::RUNTIME	2283	$self->reset_at <= $cf::RUNTIME
1530	}	2284	}
1531		2285
1532	sub rename {
1533	my ($self, $new_path) = @_;
1534
1535	normalise $new_path;
1536
1537	$self->unlink_save;
1538
1539	delete $cf::MAP{$self->path};
1540	$self->{path} = $new_path; $self->path ($self->{path});
1541	$cf::MAP{$self->path} = $self;
1542
1543	$self->save;
1544	}
1545
1546	sub reset {	2286	sub reset {
1547	my ($self) = @_;	2287	my ($self) = @_;
1548		2288
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		2290
1551	return if $self->players;	2291	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		2292
1554	warn "resetting map ", $self->path;#d#	2293	warn "resetting map ", $self->path;
		2294
		2295	$self->in_memory (cf::MAP_SWAPPED);
		2296
		2297	# need to save uniques path
		2298	unless ($self->{deny_save}) {
		2299	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2300
		2301	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2302	if $uniq;
		2303	}
1555		2304
1556	delete $cf::MAP{$self->path};	2305	delete $cf::MAP{$self->path};
1557		2306
		2307	$self->deactivate;
1558	$_->clear_links_to ($self) for values %cf::MAP;	2308	$_->clear_links_to ($self) for values %cf::MAP;
		2309	$self->clear;
1559		2310
1560	$self->unlink_save;	2311	$self->unlink_save;
1561	$self->destroy;	2312	$self->destroy;
1562	}	2313	}
1563		2314
1564	my $nuke_counter = "aaaa";	2315	my $nuke_counter = "aaaa";
1565		2316
1566	sub nuke {	2317	sub nuke {
1567	my ($self) = @_;	2318	my ($self) = @_;
1568		2319
		2320	{
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
		2323	delete $cf::MAP{$self->path};
		2324
		2325	$self->unlink_save;
		2326
		2327	bless $self, "cf::map";
		2328	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	2329	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2330	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2331	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2332
		2333	$cf::MAP{$self->path} = $self;
		2334	}
		2335
1572	$self->reset; # polite request, might not happen	2336	$self->reset; # polite request, might not happen
		2337	}
		2338
		2339	=item $maps = cf::map::tmp_maps
		2340
		2341	Returns an arrayref with all map paths of currently instantiated and saved
		2342	maps. May block.
		2343
		2344	=cut
		2345
		2346	sub tmp_maps() {
		2347	[
		2348	map {
		2349	utf8::decode $_;
		2350	/\.map$/
		2351	? normalise $_
		2352	: ()
		2353	} @{ aio_readdir $TMPDIR or [] }
		2354	]
		2355	}
		2356
		2357	=item $maps = cf::map::random_maps
		2358
		2359	Returns an arrayref with all map paths of currently instantiated and saved
		2360	random maps. May block.
		2361
		2362	=cut
		2363
		2364	sub random_maps() {
		2365	[
		2366	map {
		2367	utf8::decode $_;
		2368	/\.map$/
		2369	? normalise "?random/$_"
		2370	: ()
		2371	} @{ aio_readdir $RANDOMDIR or [] }
		2372	]
1573	}	2373	}
1574		2374
1575	=item cf::map::unique_maps	2375	=item cf::map::unique_maps
1576		2376
1577	Returns an arrayref of paths of all shared maps that have	2377	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2378	instantiated unique items. May block.
1579		2379
1580	=cut	2380	=cut
1581		2381
1582	sub unique_maps() {	2382	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2383	[
1584	or return;	2384	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2385	utf8::decode $_;
1590	next if /\.pst$/;	2386	s/\.map$//; # TODO future compatibility hack
1591	next unless /^$PATH_SEP/o;	2387	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1592		2388	? ()
1593	push @paths, $_;	2389	: normalise $_
		2390	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2391	]
1595
1596	\@paths
1597	}	2392	}
1598
1599	package cf;
1600		2393
1601	=back	2394	=back
1602		2395
1603	=head3 cf::object	2396	=head3 cf::object
1604		2397
…		…
1608		2401
1609	=over 4	2402	=over 4
1610		2403
1611	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
1612		2405
1613	Returns the inventory of the object _and_ their inventories, recursively.	2406	Returns the inventory of the object I<and> their inventories, recursively,
		2407	but I<not> the object itself.
1614		2408
1615	=cut	2409	=cut
1616		2410
1617	sub inv_recursive_;	2411	sub inv_recursive_;
1618	sub inv_recursive_ {	2412	sub inv_recursive_ {
…		…
1621		2415
1622	sub inv_recursive {	2416	sub inv_recursive {
1623	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
1624	}	2418	}
1625		2419
		2420	=item $ref = $ob->ref
		2421
		2422	Creates and returns a persistent reference to an object that can be stored as a string.
		2423
		2424	=item $ob = cf::object::deref ($refstring)
		2425
		2426	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2427	even if the object actually exists. May block.
		2428
		2429	=cut
		2430
		2431	sub deref {
		2432	my ($ref) = @_;
		2433
		2434	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2435	my ($uuid, $name) = ($1, $2);
		2436	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2437	or return;
		2438	$pl->ob->uuid eq $uuid
		2439	or return;
		2440
		2441	$pl->ob
		2442	} else {
		2443	warn "$ref: cannot resolve object reference\n";
		2444	undef
		2445	}
		2446	}
		2447
1626	package cf;	2448	package cf;
1627		2449
1628	=back	2450	=back
1629		2451
1630	=head3 cf::object::player	2452	=head3 cf::object::player
…		…
1636	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2458	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1637	can be C<undef>. Does the right thing when the player is currently in a	2459	can be C<undef>. Does the right thing when the player is currently in a
1638	dialogue with the given NPC character.	2460	dialogue with the given NPC character.
1639		2461
1640	=cut	2462	=cut
		2463
		2464	our $SAY_CHANNEL = {
		2465	id => "say",
		2466	title => "Map",
		2467	reply => "say ",
		2468	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2469	};
		2470
		2471	our $CHAT_CHANNEL = {
		2472	id => "chat",
		2473	title => "Chat",
		2474	reply => "chat ",
		2475	tooltip => "Player chat and shouts, global to the server.",
		2476	};
1641		2477
1642	# rough implementation of a future "reply" method that works	2478	# rough implementation of a future "reply" method that works
1643	# with dialog boxes.	2479	# with dialog boxes.
1644	#TODO: the first argument must go, split into a $npc->reply_to ( method	2480	#TODO: the first argument must go, split into a $npc->reply_to ( method
1645	sub cf::object::player::reply($$$;$) {	2481	sub cf::object::player::reply($$$;$) {
…		…
1647		2483
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2484	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2485
1650	if ($self->{record_replies}) {	2486	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2487	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2488
1652	} else {	2489	} else {
		2490	my $pl = $self->contr;
		2491
		2492	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2493	my $dialog = $pl->{npc_dialog};
		2494	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2495
		2496	} else {
1653	$msg = $npc->name . " says: $msg" if $npc;	2497	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2498	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2499	}
1655	}	2500	}
		2501	}
		2502
		2503	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	=cut
		2506
		2507	sub cf::object::send_msg {
		2508	my $pl = shift->contr
		2509	or return;
		2510	$pl->send_msg (@_);
1656	}	2511	}
1657		2512
1658	=item $player_object->may ("access")	2513	=item $player_object->may ("access")
1659		2514
1660	Returns wether the given player is authorized to access resource "access"	2515	Returns wether the given player is authorized to access resource "access"
…		…
1692	=cut	2547	=cut
1693		2548
1694	sub link_map {	2549	sub link_map {
1695	unless ($LINK_MAP) {	2550	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2551	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2552	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2553	$LINK_MAP->load;
1699	}	2554	}
1700		2555
1701	$LINK_MAP	2556	$LINK_MAP
1702	}	2557	}
…		…
1707	$self->deactivate_recursive;	2562	$self->deactivate_recursive;
1708		2563
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2564	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2565
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2566	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2567	if $self->map && $self->map->{path} ne "{link}";
1713		2568
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2569	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2570	}
1716		2571
1717	sub cf::object::player::leave_link {	2572	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2573	my ($self, $map, $x, $y) = @_;
		2574
		2575	return unless $self->contr->active;
1719		2576
1720	my $link_pos = delete $self->{_link_pos};	2577	my $link_pos = delete $self->{_link_pos};
1721		2578
1722	unless ($map) {	2579	unless ($map) {
1723	# restore original map position	2580	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2594	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2595	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2596	if $x <=0 && $y <= 0;
1740		2597
1741	$map->load;	2598	$map->load;
1742	$map->load_diag;	2599	$map->load_neighbours;
1743		2600
1744	return unless $self->contr->active;	2601	return unless $self->contr->active;
1745	$self->activate_recursive;	2602	$self->activate_recursive;
		2603
		2604	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2605	$self->enter_map ($map, $x, $y);
1747	}	2606	}
1748		2607
1749	cf::player->attach (	2608	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2609
1753	# abort map switching before logout	2610	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2611	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2612	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2613	the new (success) or old (failed) map position. In either case, $done will
1757	};	2614	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2615
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2616	=cut
		2617
		2618	our $GOTOGEN;
1784		2619
1785	sub cf::object::player::goto {	2620	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2621	my ($self, $path, $x, $y, $check, $done) = @_;
		2622
		2623	# do generation counting so two concurrent goto's will be executed in-order
		2624	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2625
1788	$self->enter_link;	2626	$self->enter_link;
1789		2627
1790	(async {	2628	(async {
1791	my $map = cf::map::find $path;	2629	$Coro::current->{desc} = "player::goto $path $x $y";
		2630
		2631	# *tag paths override both path and x|y
		2632	if ($path =~ /^\*(.*)$/) {
		2633	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2634	my $ob = $obs[rand @obs];
		2635
		2636	# see if we actually can go there
		2637	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2638	$ob = $obs[rand @obs];
		2639	} else {
		2640	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2641	}
		2642	# else put us there anyways for now #d#
		2643
		2644	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2645	} else {
		2646	($path, $x, $y) = (undef, undef, undef);
		2647	}
		2648	}
		2649
		2650	my $map = eval {
		2651	my $map = defined $path ? cf::map::find $path : undef;
		2652
		2653	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2654	$map = $map->customise_for ($self);
1793		2655	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2656	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2657	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2658	}
1798		2659
		2660	$map
		2661	};
		2662
		2663	if ($@) {
		2664	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2665	LOG llevError | logBacktrace, Carp::longmess $@;
		2666	}
		2667
		2668	if ($gen == $self->{_goto_generation}) {
		2669	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2670	$self->leave_link ($map, $x, $y);
		2671	}
		2672
		2673	$done->() if $done;
1800	})->prio (1);	2674	})->prio (1);
1801	}	2675	}
1802		2676
1803	=item $player_object->enter_exit ($exit_object)	2677	=item $player_object->enter_exit ($exit_object)
1804		2678
…		…
1806		2680
1807	sub parse_random_map_params {	2681	sub parse_random_map_params {
1808	my ($spec) = @_;	2682	my ($spec) = @_;
1809		2683
1810	my $rmp = { # defaults	2684	my $rmp = { # defaults
1811	xsize => 10,	2685	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2686	ysize => (cf::rndm 15, 40),
		2687	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2688	#layout => string,
1813	};	2689	};
1814		2690
1815	for (split /\n/, $spec) {	2691	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2692	my ($k, $v) = split /\s+/, $_, 2;
1817		2693
…		…
1821	$rmp	2697	$rmp
1822	}	2698	}
1823		2699
1824	sub prepare_random_map {	2700	sub prepare_random_map {
1825	my ($exit) = @_;	2701	my ($exit) = @_;
		2702
		2703	my $guard = cf::lock_acquire "exit_prepare:$exit";
1826		2704
1827	# all this does is basically replace the /! path by	2705	# all this does is basically replace the /! path by
1828	# a new random map path (?random/...) with a seed	2706	# a new random map path (?random/...) with a seed
1829	# that depends on the exit object	2707	# that depends on the exit object
1830		2708
1831	my $rmp = parse_random_map_params $exit->msg;	2709	my $rmp = parse_random_map_params $exit->msg;
1832		2710
1833	if ($exit->map) {	2711	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2712	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2713	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2714	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2715	$rmp->{origin_y} = $exit->y;
1838	}	2716	}
1839		2717
1840	$rmp->{random_seed} ||= $exit->random_seed;	2718	$rmp->{random_seed} ||= $exit->random_seed;
1841		2719
1842	my $data = cf::to_json $rmp;	2720	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1843	my $md5 = Digest::MD5::md5_hex $data;	2721	my $md5 = Digest::MD5::md5_hex $data;
		2722	my $meta = "$RANDOMDIR/$md5.meta";
1844		2723
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2724	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2725	aio_write $fh, 0, (length $data), $data, 0;
		2726	undef $fh;
		2727	aio_rename "$meta~", $meta;
1847		2728
1848	$exit->slaying ("?random/$md5");	2729	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2730	$exit->msg (undef);
1850	}	2731	}
1851	}	2732	}
…		…
1853	sub cf::object::player::enter_exit {	2734	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2735	my ($self, $exit) = @_;
1855		2736
1856	return unless $self->type == cf::PLAYER;	2737	return unless $self->type == cf::PLAYER;
1857		2738
		2739	if ($exit->slaying eq "/!") {
		2740	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2741	# the problem is that $exit might not survive long enough
		2742	# so it needs to be done right now, right here
		2743	cf::sync_job { prepare_random_map $exit };
		2744	}
		2745
		2746	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2747	my $hp = $exit->stats->hp;
		2748	my $sp = $exit->stats->sp;
		2749
1858	$self->enter_link;	2750	$self->enter_link;
1859		2751
		2752	# if exit is damned, update players death & WoR home-position
		2753	$self->contr->savebed ($slaying, $hp, $sp)
		2754	if $exit->flag (FLAG_DAMNED);
		2755
1860	(async {	2756	(async {
		2757	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2758
1861	$self->deactivate_recursive; # just to be sure	2759	$self->deactivate_recursive; # just to be sure
1862	unless (eval {	2760	unless (eval {
1863	prepare_random_map $exit	2761	$self->goto ($slaying, $hp, $sp);
1864	if $exit->slaying eq "/!";
1865
1866	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1868		2762
1869	1;	2763	1;
1870	}) {	2764	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2765	$self->message ("Something went wrong deep within the crossfire server. "
1872	. "I'll try to bring you back to the map you were before. "	2766	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2767	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2768	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2769
1876	warn "ERROR in enter_exit: $@";	2770	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2771	$self->leave_link;
1878	}	2772	}
1879	})->prio (1);	2773	})->prio (1);
…		…
1892		2786
1893	sub cf::client::send_drawinfo {	2787	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2788	my ($self, $text, $flags) = @_;
1895		2789
1896	utf8::encode $text;	2790	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2791	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2792	}
1899		2793
		2794	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2795
		2796	Send a drawinfo or msg packet to the client, formatting the msg for the
		2797	client if neccessary. C<$type> should be a string identifying the type of
		2798	the message, with C<log> being the default. If C<$color> is negative, suppress
		2799	the message unless the client supports the msg packet.
		2800
		2801	=cut
		2802
		2803	# non-persistent channels (usually the info channel)
		2804	our %CHANNEL = (
		2805	"c/identify" => {
		2806	id => "infobox",
		2807	title => "Identify",
		2808	reply => undef,
		2809	tooltip => "Items recently identified",
		2810	},
		2811	"c/examine" => {
		2812	id => "infobox",
		2813	title => "Examine",
		2814	reply => undef,
		2815	tooltip => "Signs and other items you examined",
		2816	},
		2817	"c/book" => {
		2818	id => "infobox",
		2819	title => "Book",
		2820	reply => undef,
		2821	tooltip => "The contents of a note or book",
		2822	},
		2823	"c/lookat" => {
		2824	id => "infobox",
		2825	title => "Look",
		2826	reply => undef,
		2827	tooltip => "What you saw there",
		2828	},
		2829	"c/who" => {
		2830	id => "infobox",
		2831	title => "Players",
		2832	reply => undef,
		2833	tooltip => "Shows players who are currently online",
		2834	},
		2835	"c/body" => {
		2836	id => "infobox",
		2837	title => "Body Parts",
		2838	reply => undef,
		2839	tooltip => "Shows which body parts you posess and are available",
		2840	},
		2841	"c/uptime" => {
		2842	id => "infobox",
		2843	title => "Uptime",
		2844	reply => undef,
		2845	tooltip => "How long the server has been running since last restart",
		2846	},
		2847	"c/mapinfo" => {
		2848	id => "infobox",
		2849	title => "Map Info",
		2850	reply => undef,
		2851	tooltip => "Information related to the maps",
		2852	},
		2853	"c/party" => {
		2854	id => "party",
		2855	title => "Party",
		2856	reply => "gsay ",
		2857	tooltip => "Messages and chat related to your party",
		2858	},
		2859	);
		2860
		2861	sub cf::client::send_msg {
		2862	my ($self, $channel, $msg, $color, @extra) = @_;
		2863
		2864	$msg = $self->pl->expand_cfpod ($msg);
		2865
		2866	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2867
		2868	# check predefined channels, for the benefit of C
		2869	if ($CHANNEL{$channel}) {
		2870	$channel = $CHANNEL{$channel};
		2871
		2872	$self->ext_msg (channel_info => $channel)
		2873	if $self->can_msg;
		2874
		2875	$channel = $channel->{id};
		2876
		2877	} elsif (ref $channel) {
		2878	# send meta info to client, if not yet sent
		2879	unless (exists $self->{channel}{$channel->{id}}) {
		2880	$self->{channel}{$channel->{id}} = $channel;
		2881	$self->ext_msg (channel_info => $channel)
		2882	if $self->can_msg;
		2883	}
		2884
		2885	$channel = $channel->{id};
		2886	}
		2887
		2888	return unless @extra || length $msg;
		2889
		2890	if ($self->can_msg) {
		2891	# default colour, mask it out
		2892	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2893	if $color & cf::NDI_DEF;
		2894
		2895	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2896	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2897	} else {
		2898	if ($color >= 0) {
		2899	# replace some tags by gcfclient-compatible ones
		2900	for ($msg) {
		2901	1 while
		2902	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2903	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2904	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2905	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2906	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2907	}
		2908
		2909	$color &= cf::NDI_COLOR_MASK;
		2910
		2911	utf8::encode $msg;
		2912
		2913	if (0 && $msg =~ /\[/) {
		2914	# COMMAND/INFO
		2915	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2916	} else {
		2917	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2918	$self->send_packet ("drawinfo $color $msg")
		2919	}
		2920	}
		2921	}
		2922	}
		2923
		2924	=item $client->ext_msg ($type, @msg)
		2925
		2926	Sends an ext event to the client.
		2927
		2928	=cut
		2929
		2930	sub cf::client::ext_msg($$@) {
		2931	my ($self, $type, @msg) = @_;
		2932
		2933	if ($self->extcmd == 2) {
		2934	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2935	} elsif ($self->extcmd == 1) { # TODO: remove
		2936	push @msg, msgtype => "event_$type";
		2937	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2938	}
		2939	}
		2940
		2941	=item $client->ext_reply ($msgid, @msg)
		2942
		2943	Sends an ext reply to the client.
		2944
		2945	=cut
		2946
		2947	sub cf::client::ext_reply($$@) {
		2948	my ($self, $id, @msg) = @_;
		2949
		2950	if ($self->extcmd == 2) {
		2951	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2952	} elsif ($self->extcmd == 1) {
		2953	#TODO: version 1, remove
		2954	unshift @msg, msgtype => "reply", msgid => $id;
		2955	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2956	}
		2957	}
1900		2958
1901	=item $success = $client->query ($flags, "text", \&cb)	2959	=item $success = $client->query ($flags, "text", \&cb)
1902		2960
1903	Queues a query to the client, calling the given callback with	2961	Queues a query to the client, calling the given callback with
1904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2962	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2963	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1906		2964
1907	Queries can fail, so check the return code. Or don't, as queries will become	2965	Queries can fail, so check the return code. Or don't, as queries will
1908	reliable at some point in the future.	2966	become reliable at some point in the future.
1909		2967
1910	=cut	2968	=cut
1911		2969
1912	sub cf::client::query {	2970	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	2971	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	2979	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2980	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		2981
1924	$self->send_packet ($self->{query_queue}[0][0])	2982	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	2983	if @{ $self->{query_queue} } == 1;
		2984
		2985	1
1926	}	2986	}
1927		2987
1928	cf::client->attach (	2988	cf::client->attach (
		2989	on_connect => sub {
		2990	my ($ns) = @_;
		2991
		2992	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2993	},
1929	on_reply => sub {	2994	on_reply => sub {
1930	my ($ns, $msg) = @_;	2995	my ($ns, $msg) = @_;
1931		2996
1932	# this weird shuffling is so that direct followup queries	2997	# this weird shuffling is so that direct followup queries
1933	# get handled first	2998	# get handled first
1934	my $queue = delete $ns->{query_queue}	2999	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	3000	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		3001
1937	(shift @$queue)->[1]->($msg);	3002	(shift @$queue)->[1]->($msg);
		3003	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		3004
1939	push @{ $ns->{query_queue} }, @$queue;	3005	push @{ $ns->{query_queue} }, @$queue;
1940		3006
1941	if (@{ $ns->{query_queue} } == @$queue) {	3007	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	3008	if (@$queue) {
…		…
1944	} else {	3010	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3011	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	3012	}
1947	}	3013	}
1948	},	3014	},
		3015	on_exticmd => sub {
		3016	my ($ns, $buf) = @_;
		3017
		3018	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3019
		3020	if (ref $msg) {
		3021	my ($type, $reply, @payload) =
		3022	"ARRAY" eq ref $msg
		3023	? @$msg
		3024	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3025
		3026	my @reply;
		3027
		3028	if (my $cb = $EXTICMD{$type}) {
		3029	@reply = $cb->($ns, @payload);
		3030	}
		3031
		3032	$ns->ext_reply ($reply, @reply)
		3033	if $reply;
		3034
		3035	} else {
		3036	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3037	}
		3038
		3039	cf::override;
		3040	},
1949	);	3041	);
1950		3042
1951	=item $client->async (\&cb)	3043	=item $client->async (\&cb)
1952		3044
1953	Create a new coroutine, running the specified callback. The coroutine will	3045	Create a new coroutine, running the specified callback. The coroutine will
…		…
1994	our $safe = new Safe "safe";	3086	our $safe = new Safe "safe";
1995	our $safe_hole = new Safe::Hole;	3087	our $safe_hole = new Safe::Hole;
1996		3088
1997	$SIG{FPE} = 'IGNORE';	3089	$SIG{FPE} = 'IGNORE';
1998		3090
1999	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3091	$safe->permit_only (Opcode::opset qw(
		3092	:base_core :base_mem :base_orig :base_math
		3093	grepstart grepwhile mapstart mapwhile
		3094	sort time
		3095	));
2000		3096
2001	# here we export the classes and methods available to script code	3097	# here we export the classes and methods available to script code
2002		3098
2003	=pod	3099	=pod
2004		3100
2005	The following fucntions and emthods are available within a safe environment:	3101	The following functions and methods are available within a safe environment:
2006		3102
2007	cf::object contr pay_amount pay_player map	3103	cf::object
		3104	contr pay_amount pay_player map x y force_find force_add destroy
		3105	insert remove name archname title slaying race decrease split
		3106
2008	cf::object::player player	3107	cf::object::player
2009	cf::player peaceful	3108	player
2010	cf::map trigger	3109
		3110	cf::player
		3111	peaceful
		3112
		3113	cf::map
		3114	trigger
2011		3115
2012	=cut	3116	=cut
2013		3117
2014	for (	3118	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	3119	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3120	insert remove inv name archname title slaying race
		3121	decrease split destroy)],
2016	["cf::object::player" => qw(player)],	3122	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	3123	["cf::player" => qw(peaceful)],
2018	["cf::map" => qw(trigger)],	3124	["cf::map" => qw(trigger)],
2019	) {	3125	) {
2020	no strict 'refs';	3126	no strict 'refs';
…		…
2091	=back	3197	=back
2092		3198
2093	=cut	3199	=cut
2094		3200
2095	#############################################################################	3201	#############################################################################
		3202	# the server's init and main functions
2096		3203
2097	=head2 EXTENSION DATABASE SUPPORT	3204	sub load_facedata($) {
		3205	my ($path) = @_;
2098		3206
2099	Crossfire maintains a very simple database for extension use. It can	3207	# HACK to clear player env face cache, we need some signal framework
2100	currently store anything that can be serialised using Storable, which	3208	# for this (global event?)
2101	excludes objects.	3209	%ext::player_env::MUSIC_FACE_CACHE = ();
2102		3210
2103	The parameter C<$family> should best start with the name of the extension	3211	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2104	using it, it should be unique.
2105		3212
2106	=over 4	3213	warn "loading facedata from $path\n";
2107		3214
2108	=item $hashref = cf::db_get $family	3215	my $facedata;
		3216	0 < aio_load $path, $facedata
		3217	or die "$path: $!";
2109		3218
2110	Return a hashref for use by the extension C<$family>, which can be	3219	$facedata = Coro::Storable::thaw $facedata;
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113		3220
2114	=item $value = cf::db_get $family => $key	3221	$facedata->{version} == 2
		3222	or cf::cleanup "$path: version mismatch, cannot proceed.";
2115		3223
2116	Returns a single value from the database	3224	# patch in the exptable
2117		3225	$facedata->{resource}{"res/exp_table"} = {
2118	=item cf::db_put $family => $hashref	3226	type => FT_RSRC,
2119		3227	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2120	Stores the given family hashref into the database. Updates are delayed, if
2121	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2122
2123	=item cf::db_put $family => $key => $value
2124
2125	Stores the given C<$value> in the family hash. Updates are delayed, if you
2126	want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128	=item cf::db_dirty
2129
2130	Marks the database as dirty, to be updated at a later time.
2131
2132	=item cf::db_sync
2133
2134	Immediately write the database to disk I<if it is dirty>.
2135
2136	=cut
2137
2138	our $DB;
2139
2140	{
2141	my $path = cf::localdir . "/database.pst";
2142
2143	sub db_load() {
2144	$DB = stat $path ? Storable::retrieve $path : { };
2145	}
2146
2147	my $pid;
2148
2149	sub db_save() {
2150	waitpid $pid, 0 if $pid;
2151	if (0 == ($pid = fork)) {
2152	$DB->{_meta}{version} = 1;
2153	Storable::nstore $DB, "$path~";
2154	rename "$path~", $path;
2155	cf::_exit 0 if defined $pid;
2156	}
2157	}
2158
2159	my $dirty;
2160
2161	sub db_sync() {
2162	db_save if $dirty;
2163	undef $dirty;
2164	}
2165
2166	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167	db_sync;
2168	});	3228	};
		3229	cf::cede_to_tick;
2169		3230
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}	3231	{
		3232	my $faces = $facedata->{faceinfo};
2174		3233
2175	sub db_get($;$) {	3234	while (my ($face, $info) = each %$faces) {
2176	@_ >= 2	3235	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	? $DB->{$_[0]}{$_[1]}
2178	: ($DB->{$_[0]} ||= { })
2179	}
2180		3236
2181	sub db_put($$;$) {	3237	cf::face::set_visibility $idx, $info->{visibility};
2182	if (@_ >= 3) {	3238	cf::face::set_magicmap $idx, $info->{magicmap};
2183	$DB->{$_[0]}{$_[1]} = $_[2];	3239	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2184	} else {	3240	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2185	$DB->{$_[0]} = $_[1];
2186	}
2187	db_dirty;
2188	}
2189		3241
2190	cf::global->attach (	3242	cf::cede_to_tick;
2191	prio => 10000,
2192	on_cleanup => sub {
2193	db_sync;
2194	},	3243	}
2195	);
2196	}
2197		3244
2198	#############################################################################	3245	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	3246	next unless $info->{smooth};
2200		3247
2201	sub cfg_load {	3248	my $idx = cf::face::find $face
		3249	or next;
		3250
		3251	if (my $smooth = cf::face::find $info->{smooth}) {
		3252	cf::face::set_smooth $idx, $smooth;
		3253	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3254	} else {
		3255	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3256	}
		3257
		3258	cf::cede_to_tick;
		3259	}
		3260	}
		3261
		3262	{
		3263	my $anims = $facedata->{animinfo};
		3264
		3265	while (my ($anim, $info) = each %$anims) {
		3266	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3267	cf::cede_to_tick;
		3268	}
		3269
		3270	cf::anim::invalidate_all; # d'oh
		3271	}
		3272
		3273	{
		3274	# TODO: for gcfclient pleasure, we should give resources
		3275	# that gcfclient doesn't grok a >10000 face index.
		3276	my $res = $facedata->{resource};
		3277
		3278	while (my ($name, $info) = each %$res) {
		3279	if (defined $info->{type}) {
		3280	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3281	my $data;
		3282
		3283	if ($info->{type} & 1) {
		3284	# prepend meta info
		3285
		3286	my $meta = $enc->encode ({
		3287	name => $name,
		3288	%{ $info->{meta} || {} },
		3289	});
		3290
		3291	$data = pack "(w/a*)*", $meta, $info->{data};
		3292	} else {
		3293	$data = $info->{data};
		3294	}
		3295
		3296	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3297	cf::face::set_type $idx, $info->{type};
		3298	} else {
		3299	$RESOURCE{$name} = $info;
		3300	}
		3301
		3302	cf::cede_to_tick;
		3303	}
		3304	}
		3305
		3306	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3307
		3308	1
		3309	}
		3310
		3311	cf::global->attach (on_resource_update => sub {
		3312	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3313	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3314
		3315	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3316	my $sound = $soundconf->{compat}[$_]
		3317	or next;
		3318
		3319	my $face = cf::face::find "sound/$sound->[1]";
		3320	cf::sound::set $sound->[0] => $face;
		3321	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3322	}
		3323
		3324	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3325	my $face = cf::face::find "sound/$v";
		3326	cf::sound::set $k => $face;
		3327	}
		3328	}
		3329	});
		3330
		3331	register_exticmd fx_want => sub {
		3332	my ($ns, $want) = @_;
		3333
		3334	while (my ($k, $v) = each %$want) {
		3335	$ns->fx_want ($k, $v);
		3336	}
		3337	};
		3338
		3339	sub load_resource_file($) {
		3340	my $guard = lock_acquire "load_resource_file";
		3341
		3342	my $status = load_resource_file_ $_[0];
		3343	get_slot 0.1, 100;
		3344	cf::arch::commit_load;
		3345
		3346	$status
		3347	}
		3348
		3349	sub reload_regions {
		3350	# HACK to clear player env face cache, we need some signal framework
		3351	# for this (global event?)
		3352	%ext::player_env::MUSIC_FACE_CACHE = ();
		3353
		3354	load_resource_file "$MAPDIR/regions"
		3355	or die "unable to load regions file\n";
		3356
		3357	for (cf::region::list) {
		3358	$_->{match} = qr/$_->{match}/
		3359	if exists $_->{match};
		3360	}
		3361	}
		3362
		3363	sub reload_facedata {
		3364	load_facedata "$DATADIR/facedata"
		3365	or die "unable to load facedata\n";
		3366	}
		3367
		3368	sub reload_archetypes {
		3369	load_resource_file "$DATADIR/archetypes"
		3370	or die "unable to load archetypes\n";
		3371	}
		3372
		3373	sub reload_treasures {
		3374	load_resource_file "$DATADIR/treasures"
		3375	or die "unable to load treasurelists\n";
		3376	}
		3377
		3378	sub reload_resources {
		3379	warn "reloading resource files...\n";
		3380
		3381	reload_facedata;
		3382	reload_archetypes;
		3383	reload_regions;
		3384	reload_treasures;
		3385
		3386	warn "finished reloading resource files\n";
		3387	}
		3388
		3389	sub init {
		3390	my $guard = freeze_mainloop;
		3391
		3392	reload_resources;
		3393	}
		3394
		3395	sub reload_config {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	3396	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	3397	or return;
2204		3398
2205	local $/;	3399	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	3400	*CFG = YAML::Load <$fh>;
2207		3401
2208	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3402	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2209		3403
2210	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3404	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2211	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3405	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2221		3415
2222	sub main {	3416	sub main {
2223	# we must not ever block the main coroutine	3417	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	3418	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3419	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2226	async { Event::one_event };	3420	(async {
		3421	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3422	EV::loop EV::LOOP_ONESHOT;
		3423	})->prio (Coro::PRIO_MAX);
2227	};	3424	};
2228		3425
2229	cfg_load;	3426	{
2230	db_load;	3427	my $guard = freeze_mainloop;
		3428	reload_config;
		3429	db_init;
2231	load_extensions;	3430	load_extensions;
		3431
		3432	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3433	evthread_start IO::AIO::poll_fileno;
		3434	}
		3435
2232	Event::loop;	3436	EV::loop;
2233	}	3437	}
2234		3438
2235	#############################################################################	3439	#############################################################################
2236	# initialisation and cleanup	3440	# initialisation and cleanup
2237		3441
2238	# install some emergency cleanup handlers	3442	# install some emergency cleanup handlers
2239	BEGIN {	3443	BEGIN {
		3444	our %SIGWATCHER = ();
2240	for my $signal (qw(INT HUP TERM)) {	3445	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	3446	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2242	data => WF_AUTOCANCEL,
2243	signal => $signal,
2244	cb => sub {
2245	cf::cleanup "SIG$signal";	3447	cf::cleanup "SIG$signal";
2246	},
2247	);	3448	};
		3449	}
		3450	}
		3451
		3452	sub write_runtime_sync {
		3453	my $runtime = "$LOCALDIR/runtime";
		3454
		3455	# first touch the runtime file to show we are still running:
		3456	# the fsync below can take a very very long time.
		3457
		3458	IO::AIO::aio_utime $runtime, undef, undef;
		3459
		3460	my $guard = cf::lock_acquire "write_runtime";
		3461
		3462	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3463	or return;
		3464
		3465	my $value = $cf::RUNTIME + 90 + 10;
		3466	# 10 is the runtime save interval, for a monotonic clock
		3467	# 60 allows for the watchdog to kill the server.
		3468
		3469	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3470	and return;
		3471
		3472	# always fsync - this file is important
		3473	aio_fsync $fh
		3474	and return;
		3475
		3476	# touch it again to show we are up-to-date
		3477	aio_utime $fh, undef, undef;
		3478
		3479	close $fh
		3480	or return;
		3481
		3482	aio_rename "$runtime~", $runtime
		3483	and return;
		3484
		3485	warn "runtime file written.\n";
		3486
2248	}	3487	1
		3488	}
		3489
		3490	our $uuid_lock;
		3491	our $uuid_skip;
		3492
		3493	sub write_uuid_sync($) {
		3494	$uuid_skip ||= $_[0];
		3495
		3496	return if $uuid_lock;
		3497	local $uuid_lock = 1;
		3498
		3499	my $uuid = "$LOCALDIR/uuid";
		3500
		3501	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3502	or return;
		3503
		3504	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3505	$uuid_skip = 0;
		3506
		3507	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3508	and return;
		3509
		3510	# always fsync - this file is important
		3511	aio_fsync $fh
		3512	and return;
		3513
		3514	close $fh
		3515	or return;
		3516
		3517	aio_rename "$uuid~", $uuid
		3518	and return;
		3519
		3520	warn "uuid file written ($value).\n";
		3521
		3522	1
		3523
		3524	}
		3525
		3526	sub write_uuid($$) {
		3527	my ($skip, $sync) = @_;
		3528
		3529	$sync ? write_uuid_sync $skip
		3530	: async { write_uuid_sync $skip };
2249	}	3531	}
2250		3532
2251	sub emergency_save() {	3533	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	3534	my $freeze_guard = cf::freeze_mainloop;
2253		3535
2254	warn "enter emergency perl save\n";	3536	warn "enter emergency perl save\n";
2255		3537
2256	cf::sync_job {	3538	cf::sync_job {
2257	# use a peculiar iteration method to avoid tripping on perl	3539	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	3540	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	3541	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	3542	warn "begin emergency player save\n";
2261	for my $login (keys %cf::PLAYER) {	3543	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	3544	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	3545	$pl->valid or next;
		3546	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2264	$pl->save;	3547	$pl->save;
2265	}	3548	}
2266	warn "end emergency player save\n";	3549	warn "end emergency player save\n";
2267		3550
2268	warn "begin emergency map save\n";	3551	warn "begin emergency map save\n";
…		…
2270	my $map = $cf::MAP{$path} or next;	3553	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	3554	$map->valid or next;
2272	$map->save;	3555	$map->save;
2273	}	3556	}
2274	warn "end emergency map save\n";	3557	warn "end emergency map save\n";
		3558
		3559	warn "begin emergency database checkpoint\n";
		3560	BDB::db_env_txn_checkpoint $DB_ENV;
		3561	warn "end emergency database checkpoint\n";
		3562
		3563	warn "begin write uuid\n";
		3564	write_uuid_sync 1;
		3565	warn "end write uuid\n";
2275	};	3566	};
2276		3567
2277	warn "leave emergency perl save\n";	3568	warn "leave emergency perl save\n";
2278	}	3569	}
2279		3570
		3571	sub post_cleanup {
		3572	my ($make_core) = @_;
		3573
		3574	warn Carp::longmess "post_cleanup backtrace"
		3575	if $make_core;
		3576	}
		3577
2280	sub reload() {	3578	sub do_reload_perl() {
2281	# can/must only be called in main	3579	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	3580	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	3581	warn "can only reload from main coroutine";
2284	return;	3582	return;
2285	}	3583	}
2286		3584
2287	warn "reloading...";	3585	warn "reloading...";
2288		3586
2289	warn "freezing server";	3587	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	3588
		3589	cf::sync_job {
		3590	cf::write_runtime_sync; # external watchdog should not bark
2291	cf::emergency_save;	3591	cf::emergency_save;
		3592	cf::write_runtime_sync; # external watchdog should not bark
2292		3593
2293	warn "sync database to disk";	3594	warn "syncing database to disk";
2294	cf::db_sync;	3595	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		3596
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	3597	# if anything goes wrong in here, we should simply crash as we already saved
2299		3598
2300	warn "cancel all watchers";	3599	warn "flushing outstanding aio requests";
2301	for (Event::all_watchers) {	3600	for (;;) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	3601	BDB::flush;
		3602	IO::AIO::flush;
		3603	Coro::cede_notself;
		3604	last unless IO::AIO::nreqs || BDB::nreqs;
		3605	warn "iterate...";
2303	}	3606	}
2304		3607
		3608	++$RELOAD;
		3609
2305	warn "cancel all extension coros";	3610	warn "cancelling all extension coros";
2306	$_->cancel for values %EXT_CORO;	3611	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();	3612	%EXT_CORO = ();
2308		3613
2309	warn "remove commands";	3614	warn "removing commands";
2310	%COMMAND = ();	3615	%COMMAND = ();
2311		3616
2312	warn "remove ext commands";	3617	warn "removing ext/exti commands";
2313	%EXTCMD = ();	3618	%EXTCMD = ();
		3619	%EXTICMD = ();
2314		3620
2315	warn "unload/nuke all extensions";	3621	warn "unloading/nuking all extensions";
2316	for my $pkg (@EXTS) {	3622	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";	3623	warn "... unloading $pkg";
2318		3624
2319	if (my $cb = $pkg->can ("unload")) {	3625	if (my $cb = $pkg->can ("unload")) {
2320	eval {	3626	eval {
…		…
2325		3631
2326	warn "... nuking $pkg";	3632	warn "... nuking $pkg";
2327	Symbol::delete_package $pkg;	3633	Symbol::delete_package $pkg;
2328	}	3634	}
2329		3635
2330	warn "unload all perl modules loaded from $LIBDIR";	3636	warn "unloading all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {	3637	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3638	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333		3639
2334	warn "removing <$k>";	3640	warn "... unloading $k";
2335	delete $INC{$k};	3641	delete $INC{$k};
2336		3642
2337	$k =~ s/\.pm$//;	3643	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;	3644	$k =~ s/\//::/g;
2339		3645
…		…
2342	}	3648	}
2343		3649
2344	Symbol::delete_package $k;	3650	Symbol::delete_package $k;
2345	}	3651	}
2346		3652
2347	warn "get rid of safe::, as good as possible";	3653	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	3654	Symbol::delete_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3655	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		3656
2351	warn "unload cf.pm \"a bit\"";	3657	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	3658	delete $INC{"cf.pm"};
		3659	delete $INC{"cf/pod.pm"};
2353		3660
2354	# don't, removes xs symbols, too,	3661	# don't, removes xs symbols, too,
2355	# and global variables created in xs	3662	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	3663	#Symbol::delete_package __PACKAGE__;
2357		3664
		3665	warn "unload completed, starting to reload now";
		3666
2358	warn "reloading cf.pm";	3667	warn "reloading cf.pm";
2359	require cf;	3668	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		3670
2362	warn "load config and database again";	3671	warn "loading config and database again";
2363	cf::cfg_load;	3672	cf::reload_config;
2364	cf::db_load;
2365		3673
2366	warn "load extensions";	3674	warn "loading extensions";
2367	cf::load_extensions;	3675	cf::load_extensions;
2368		3676
2369	warn "reattach attachments to objects/players";	3677	warn "reattaching attachments to objects/players";
2370	_global_reattach;	3678	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	3679	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	3680	reattach $_ for values %MAP;
		3681	warn "reattaching attachments to players";
		3682	reattach $_ for values %PLAYER;
		3683
		3684	warn "leaving sync_job";
		3685
		3686	1
		3687	} or do {
		3688	warn $@;
		3689	cf::cleanup "error while reloading, exiting.";
2373	};	3690	};
2374
2375	if ($@) {
2376	warn $@;
2377	warn "error while reloading, exiting.";
2378	exit 1;
2379	}
2380		3691
2381	warn "reloaded";	3692	warn "reloaded";
2382	};	3693	};
2383		3694
		3695	our $RELOAD_WATCHER; # used only during reload
		3696
		3697	sub reload_perl() {
		3698	# doing reload synchronously and two reloads happen back-to-back,
		3699	# coro crashes during coro_state_free->destroy here.
		3700
		3701	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3702	do_reload_perl;
		3703	undef $RELOAD_WATCHER;
		3704	};
		3705	}
		3706
2384	register_command "reload" => sub {	3707	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	3708	my ($who, $arg) = @_;
2386		3709
2387	if ($who->flag (FLAG_WIZ)) {	3710	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	3711	$who->message ("reloading server.");
		3712	async {
		3713	$Coro::current->{desc} = "perl_reload";
		3714	reload_perl;
		3715	};
2391	}	3716	}
2392	};	3717	};
2393		3718
2394	unshift @INC, $LIBDIR;	3719	unshift @INC, $LIBDIR;
2395		3720
2396	$TICK_WATCHER = Event->timer (	3721	my $bug_warning = 0;
2397	reentrant => 0,
2398	prio => 0,
2399	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,
2401	cb => sub {
2402	$NOW = Event::time;
2403		3722
		3723	our @WAIT_FOR_TICK;
		3724	our @WAIT_FOR_TICK_BEGIN;
		3725
		3726	sub wait_for_tick {
		3727	return if tick_inhibit || $Coro::current == $Coro::main;
		3728
		3729	my $signal = new Coro::Signal;
		3730	push @WAIT_FOR_TICK, $signal;
		3731	$signal->wait;
		3732	}
		3733
		3734	sub wait_for_tick_begin {
		3735	return if tick_inhibit || $Coro::current == $Coro::main;
		3736
		3737	my $signal = new Coro::Signal;
		3738	push @WAIT_FOR_TICK_BEGIN, $signal;
		3739	$signal->wait;
		3740	}
		3741
		3742	sub tick {
		3743	if ($Coro::current != $Coro::main) {
		3744	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3745	unless ++$bug_warning > 10;
		3746	return;
		3747	}
		3748
2404	cf::server_tick; # one server iteration	3749	cf::server_tick; # one server iteration
2405	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;
2407		3750
2408	$WAIT_FOR_TICK->broadcast;	3751	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3752	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2410		3753	Coro::async_pool {
2411	# if we are delayed by four ticks or more, skip them all	3754	$Coro::current->{desc} = "runtime saver";
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2413
2414	$TICK_WATCHER->at ($NEXT_TICK);
2415	$TICK_WATCHER->start;
2416	},
2417	);
2418
2419	IO::AIO::max_poll_time $TICK * 0.2;
2420
2421	Event->io (
2422	fd => IO::AIO::poll_fileno,
2423	poll => 'r',
2424	prio => 5,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,
2431	after => 0,
2432	interval => 10,
2433	cb => sub {
2434	(Coro::unblock_sub {
2435	write_runtime	3755	write_runtime_sync
2436	or warn "ERROR: unable to write runtime file: $!";	3756	or warn "ERROR: unable to write runtime file: $!";
2437	})->();	3757	};
2438	},	3758	}
2439	);	3759
		3760	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3761	$sig->send;
		3762	}
		3763	while (my $sig = shift @WAIT_FOR_TICK) {
		3764	$sig->send;
		3765	}
		3766
		3767	$LOAD = ($NOW - $TICK_START) / $TICK;
		3768	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3769
		3770	if (0) {
		3771	if ($NEXT_TICK) {
		3772	my $jitter = $TICK_START - $NEXT_TICK;
		3773	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3774	warn "jitter $JITTER\n";#d#
		3775	}
		3776	}
		3777	}
		3778
		3779	{
		3780	# configure BDB
		3781
		3782	BDB::min_parallel 8;
		3783	BDB::max_poll_reqs $TICK * 0.1;
		3784	$Coro::BDB::WATCHER->priority (1);
		3785
		3786	unless ($DB_ENV) {
		3787	$DB_ENV = BDB::db_env_create;
		3788	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3789	| BDB::LOG_AUTOREMOVE, 1);
		3790	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3791	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3792
		3793	cf::sync_job {
		3794	eval {
		3795	BDB::db_env_open
		3796	$DB_ENV,
		3797	$BDBDIR,
		3798	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3799	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3800	0666;
		3801
		3802	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3803	};
		3804
		3805	cf::cleanup "db_env_open(db): $@" if $@;
		3806	};
		3807	}
		3808
		3809	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3810	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3811	};
		3812	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3813	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3814	};
		3815	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3816	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3817	};
		3818	}
		3819
		3820	{
		3821	# configure IO::AIO
		3822
		3823	IO::AIO::min_parallel 8;
		3824	IO::AIO::max_poll_time $TICK * 0.1;
		3825	$Coro::AIO::WATCHER->priority (1);
		3826	}
		3827
		3828	my $_log_backtrace;
		3829
		3830	sub _log_backtrace {
		3831	my ($msg, @addr) = @_;
		3832
		3833	$msg =~ s/\n//;
		3834
		3835	# limit the # of concurrent backtraces
		3836	if ($_log_backtrace < 2) {
		3837	++$_log_backtrace;
		3838	async {
		3839	$Coro::current->{desc} = "abt $msg";
		3840
		3841	my @bt = fork_call {
		3842	@addr = map { sprintf "%x", $_ } @addr;
		3843	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3844	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3845	or die "addr2line: $!";
		3846
		3847	my @funcs;
		3848	my @res = <$fh>;
		3849	chomp for @res;
		3850	while (@res) {
		3851	my ($func, $line) = splice @res, 0, 2, ();
		3852	push @funcs, "[$func] $line";
		3853	}
		3854
		3855	@funcs
		3856	};
		3857
		3858	LOG llevInfo, "[ABT] $msg\n";
		3859	LOG llevInfo, "[ABT] $_\n" for @bt;
		3860	--$_log_backtrace;
		3861	};
		3862	} else {
		3863	LOG llevInfo, "[ABT] $msg\n";
		3864	LOG llevInfo, "[ABT] [suppressed]\n";
		3865	}
		3866	}
		3867
		3868	# load additional modules
		3869	use cf::pod;
2440		3870
2441	END { cf::emergency_save }	3871	END { cf::emergency_save }
2442		3872
2443	1	3873	1
2444		3874

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