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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.232 by root, Wed Apr 4 02:07:19 2007 UTC vs.
Revision 1.426 by root, Thu Apr 24 04:40:31 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;
9	use Event;	30	use EV 3.2;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
13		35
14	use Coro 3.52 ();	36	use Coro 4.50 ();
15	use Coro::State;	37	use Coro::State;
		38	use Coro::Handle;
16	use Coro::Event;	39	use Coro::EV;
17	use Coro::Timer;	40	use Coro::Timer;
18	use Coro::Signal;	41	use Coro::Signal;
19	use Coro::Semaphore;	42	use Coro::Semaphore;
20	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
		45	use Coro::Storable;
		46	use Coro::Util ();
21		47
		48	use JSON::XS 2.01 ();
22	use BDB ();	49	use BDB ();
23	use Data::Dumper;	50	use Data::Dumper;
24	use Digest::MD5;	51	use Digest::MD5;
25	use Fcntl;	52	use Fcntl;
26	use YAML::Syck ();	53	use YAML ();
27	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
28	use Time::HiRes;	55	use Time::HiRes;
29	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
30		58
31	# configure various modules to our taste	59	# configure various modules to our taste
32	#	60	#
		61	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		64
36	$Event::Eval = 1; # no idea why this is required, but it is
37
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		66
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		68
45	our %COMMAND = ();	69	our %COMMAND = ();
46	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
47		71
48	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
52		77
53	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
54	our @EVENT;	79	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		80
57	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	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(!)
59	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	97	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		99
65	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	104	our $DB_ENV;
67		105
68	our %CFG;	106	our %CFG;
69		107
70	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
72		111
73	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		115
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $TICK_START; # for load detecting purposes
		123
85	binmode STDOUT;	124	binmode STDOUT;
86	binmode STDERR;	125	binmode STDERR;
87		126
88	# read virtual server time, if available	127	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
93	}	132	}
94		133
95	mkdir cf::localdir;	134	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		136
102	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
103		138
104	sub cf::map::normalise;	139	sub cf::map::normalise;
105		140
…		…
116	=item $cf::RUNTIME	151	=item $cf::RUNTIME
117		152
118	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
119	every server tick.	154	every server tick.
120		155
121	=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
122		159
123	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		164
126	=item $cf::NOW	165	=item $cf::NOW
127		166
128	The time of the last (current) server tick.	167	The time of the last (current) server tick.
129		168
130	=item $cf::TICK	169	=item $cf::TICK
131		170
132	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
133		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
134	=item %cf::CFG	183	=item %cf::CFG
135		184
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	186	from wherever your confdir points to.
138		187
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		189
141	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
142	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
143	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.
144	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.
145		199
146	=back	200	=back
147		201
148	=cut	202	=cut
149		203
150	BEGIN {	204	BEGIN {
151	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	206	my $msg = join "", @_;
153	utf8::encode $msg;
154		207
155	$msg .= "\n"	208	$msg .= "\n"
156	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
157		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
158	LOG llevError, $msg;	213	LOG llevError, $msg;
159	};	214	};
160	}	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#?
161		231
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		239
169	# 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
170	# within the Safe compartment.	241	# within the Safe compartment.
171	for my $pkg (qw(	242	for my $pkg (qw(
172	cf::global cf::attachable	243	cf::global cf::attachable
…		…
177	)) {	248	)) {
178	no strict 'refs';	249	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	251	}
181		252
182	$Event::DIED = sub {	253	$EV::DIED = sub {
183	warn "error in event callback: @_";	254	warn "error in event callback: @_";
184	};	255	};
		256
		257	#############################################################################
185		258
186	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
187		260
188	=over 4	261	=over 4
189		262
…		…
208	$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;
209	$d	282	$d
210	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
211	}	284	}
212		285
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
216		287
217	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
218		289
219	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
220		291
221	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
		293
		294	=cut
		295
		296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		297
		298	sub encode_json($) { $json_coder->encode ($_[0]) }
		299	sub decode_json($) { $json_coder->decode ($_[0]) }
222		300
223	=item cf::lock_wait $string	301	=item cf::lock_wait $string
224		302
225	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
226		304
…		…
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
232	returned.	310	returned.
233		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
234	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
235	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
236		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
237	=cut	322	=cut
238		323
239	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
240		326
241	sub lock_wait($) {	327	sub lock_wait($) {
242	my ($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#
243		334
244	# wait for lock, if any	335	# wait for lock, if any
245	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	338	Coro::schedule;
…		…
253		344
254	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
255	lock_wait $key;	346	lock_wait $key;
256		347
257	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
258		350
259	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
262	}	355	}
263	}	356	}
264		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
265	sub freeze_mainloop {	364	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
267		366
268	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
269	$TICK_WATCHER->start;	368	}
		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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
270	};	428	}
271	$TICK_WATCHER->stop;	429	};
272	$guard	430
		431	sub get_slot($;$$) {
		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	$sig->wait;
273	}	443	}
274		444
275	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
276		446
277	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		452
283	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
284		454
285	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
286		456
287	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
290		461
291	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
294	fast or be very important.	465	fast or be very important.
…		…
297		468
298	sub sync_job(&) {	469	sub sync_job(&) {
299	my ($job) = @_;	470	my ($job) = @_;
300		471
301	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
302	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
304		477
305	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	479
307	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
308		481
309	my $busy = 1;	482	my $busy = 1;
310	my @res;	483	my @res;
311		484
312	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	487	@res = eval { $job->() };
314	warn $@ if $@;	488	warn $@ if $@;
315	undef $busy;	489	undef $busy;
316	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
317		491
318	while ($busy) {	492	while ($busy) {
319	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
320	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
321		503
322	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
323	} else {	505	} else {
324	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
325		507
…		…
345	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
346		528
347	$coro	529	$coro
348	}	530	}
349		531
350	sub write_runtime {	532	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		533
353	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.
354		538
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	539	=cut
356	or return;
357		540
358	my $value = $cf::RUNTIME + 90 + 10;	541	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	542	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		543
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	# we seemingly have to make a local copy of the whole thing,
363	and return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
364		547
365	# always fsync - this file is important	548	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	549	reset_signals;
367	and return;	550	&$cb
		551	}, @args;
368		552
369	close $fh	553	wantarray ? @res : $res[-1]
370	or return;	554	}
371		555
372	aio_rename "$runtime~", $runtime	556	=item $coin = coin_from_name $name
373	and return;
374		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		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($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
375	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		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"
376	}	708	}
377		709
378	=item cf::datalog type => key => value, ...	710	=item cf::datalog type => key => value, ...
379		711
380	Log a datalog packet of the given type with the given key-value pairs.	712	Log a datalog packet of the given type with the given key-value pairs.
…		…
398	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")
399	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
400		732
401	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>
402	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
403	crossfire+).	735	Deliantra).
404		736
405	=over 4	737	=over 4
406		738
407	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
408		740
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
572		904
573	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		909
578	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	911	my $pkg = shift @arg;
580		912
581	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
611	}	943	}
612		944
613	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
614	} else {	946	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	948	}
617		949
618	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
619	}	951	}
620		952
…		…
622	if (ref $_[0]) {	954	if (ref $_[0]) {
623	_object_attach @_;	955	_object_attach @_;
624	} else {	956	} else {
625	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
626	}	958	}
		959	_recalc_want;
627	};	960	};
628		961
629	# all those should be optimised	962	# all those should be optimised
630	sub cf::attachable::detach {	963	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
635	reattach ($obj);	968	reattach ($obj);
636	} else {	969	} else {
637	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
638	}	971	}
		972	_recalc_want;
639	};	973	};
640		974
641	sub cf::attachable::attached {	975	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
643		977
…		…
658	";	992	";
659	die if $@;	993	die if $@;
660	}	994	}
661		995
662	our $override;	996	our $override;
663	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?
664		998
665	sub override {	999	sub override {
666	$override = 1;	1000	$override = 1;
667	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
668	}	1002	}
669		1003
670	sub do_invoke {	1004	sub do_invoke {
671	my $event = shift;	1005	my $event = shift;
672	my $callbacks = shift;	1006	my $callbacks = shift;
673		1007
674	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
675		1009
676	local $override;	1010	local $override;
677		1011
678	for (@$callbacks) {	1012	for (@$callbacks) {
679	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
688	}	1022	}
689		1023
690	0	1024	0
691	}	1025	}
692		1026
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1028
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1030
697	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
698		1032
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1036
703	=back	1037	=back
704		1038
705	=cut	1039	=cut
706		1040
707	#############################################################################	1041	#############################################################################
708	# 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, $ob2
		1084	}
709		1085
710	sub reattach {	1086	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1088	my ($obj) = @_;
713		1089
…		…
734	cf::attachable->attach (	1110	cf::attachable->attach (
735	prio => -1000000,	1111	prio => -1000000,
736	on_instantiate => sub {	1112	on_instantiate => sub {
737	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
738		1114
739	$data = from_json $data;	1115	$data = decode_json $data;
740		1116
741	for (@$data) {	1117	for (@$data) {
742	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
743		1119
744	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1136	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
762		1138
763	sync_job {	1139	sync_job {
764	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
767		1144
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1146	chmod SAVE_MODE, $fh;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1149	close $fh;
773		1150
774	if (@$objs) {	1151	if (@$objs) {
775	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) {
776	chmod SAVE_MODE, $fh;	1153	chmod SAVE_MODE, $fh;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1157	close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
782	}	1159	}
…		…
790	}	1167	}
791	} else {	1168	} else {
792	aio_unlink $filename;	1169	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
794	}	1171	}
795	}	1172	};
796	}	1173	}
797		1174
798	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
800		1177
…		…
812	or return;	1189	or return;
813		1190
814	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
816	or return;	1193	or return;
		1194
817	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
818	}	1197	}
819		1198
		1199	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
822	return ($data, $av);	1203	($data, $av)
823	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
824		1211
825	#############################################################################	1212	#############################################################################
826	# command handling &c	1213	# command handling &c
827		1214
828	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1229	}
843		1230
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1232
846	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.
847		1238
848	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
849	called.	1240	called.
850		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
851	=cut	1253	=cut
852		1254
853	sub register_extcmd {	1255	sub register_extcmd {
854	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
855		1257
856	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
857	}	1265	}
858		1266
859	cf::player->attach (	1267	cf::player->attach (
860	on_command => sub {	1268	on_command => sub {
861	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1278	cf::override;
871	},	1279	},
872	on_extcmd => sub {	1280	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
874		1282
875	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1284
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
883	} else {	1300	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1302	}
886		1303
887	cf::override;	1304	cf::override;
888	},	1305	},
889	);	1306	);
890		1307
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
926	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1313	next unless -r $path;
928	eval {	1314
929	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	$progress = 1;
930	1	1371	}
931	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
932	}	1377	};
933	}	1378	}
934		1379
935	#############################################################################	1380	#############################################################################
936		1381
		1382	=back
		1383
937	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
938		1385
939	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
940		1387
941	=cut	1388	=cut
…		…
946		1393
947	=head3 cf::player	1394	=head3 cf::player
948		1395
949	=over 4	1396	=over 4
950		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
951	=item cf::player::find $login	1412	=item cf::player::find $login
952		1413
953	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
954		1415
955	=cut	1416	=cut
956		1417
957	sub playerdir($) {	1418	sub playerdir($) {
958	cf::localdir	1419	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1421	}
964		1422
965	sub path($) {	1423	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1425
968	(playerdir $login) . "/$login.pl"	1426	(playerdir $login) . "/playerdata"
969	}	1427	}
970		1428
971	sub find_active($) {	1429	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1430	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1431	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1444	my $login = $_[0];
987		1445
988	my $guard = cf::lock_acquire "user_find:$login";	1446	my $guard = cf::lock_acquire "user_find:$login";
989		1447
990	$cf::PLAYER{$_[0]} || do {	1448	$cf::PLAYER{$_[0]} || do {
991	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
992	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461	local $cf::PLAYER_LOADING{$login} = $pl;
		1462	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1463	$cf::PLAYER{$login} = $pl
994	}	1464	}
995	}	1465	}
996	}	1466	}
997		1467
…		…
1006	return if $pl->{deny_save};	1476	return if $pl->{deny_save};
1007		1477
1008	aio_mkdir playerdir $pl, 0770;	1478	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1479	$pl->{last_save} = $cf::RUNTIME;
1010		1480
		1481	cf::get_slot 0.01;
		1482
1011	$pl->save_pl ($path);	1483	$pl->save_pl ($path);
1012	Coro::cede;	1484	cf::cede_to_tick;
1013	}	1485	}
1014		1486
1015	sub new($) {	1487	sub new($) {
1016	my ($login) = @_;	1488	my ($login) = @_;
1017		1489
…		…
1021	$self->{deny_save} = 1;	1493	$self->{deny_save} = 1;
1022		1494
1023	$cf::PLAYER{$login} = $self;	1495	$cf::PLAYER{$login} = $self;
1024		1496
1025	$self	1497	$self
		1498	}
		1499
		1500	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1501
		1502	=cut
		1503
		1504	sub send_msg {
		1505	my $ns = shift->ns
		1506	or return;
		1507	$ns->send_msg (@_);
1026	}	1508	}
1027		1509
1028	=item $pl->quit_character	1510	=item $pl->quit_character
1029		1511
1030	Nukes the player without looking back. If logged in, the connection will	1512	Nukes the player without looking back. If logged in, the connection will
…		…
1079	while and may block, so not sync_job-capable, ever.	1561	while and may block, so not sync_job-capable, ever.
1080		1562
1081	=cut	1563	=cut
1082		1564
1083	sub list_logins {	1565	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1566	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1567	or return [];
1086		1568
1087	my @logins;	1569	my @logins;
1088		1570
1089	for my $login (@$dirs) {	1571	for my $login (@$dirs) {
		1572	my $path = path $login;
		1573
		1574	# a .pst is a dead give-away for a valid player
		1575	unless (-e "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1577	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1578	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1579	}
1093		1580
1094	utf8::decode $login;	1581	utf8::decode $login;
1095	push @logins, $login;	1582	push @logins, $login;
1096	}	1583	}
1097		1584
…		…
1124	}	1611	}
1125		1612
1126	\@paths	1613	\@paths
1127	}	1614	}
1128		1615
		1616	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1617
		1618	Expand crossfire pod fragments into protocol xml.
		1619
		1620	=cut
		1621
		1622	use re 'eval';
		1623
		1624	my $group;
		1625	my $interior; $interior = qr{
		1626	# match a pod interior sequence sans C<< >>
		1627	(?:
		1628	\ (.*?)\ (?{ $group = $^N })
		1629	| < (??{$interior}) >
		1630	)
		1631	}x;
		1632
		1633	sub expand_cfpod {
		1634	my ($self, $pod) = @_;
		1635
		1636	my $xml;
		1637
		1638	while () {
		1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1640	$group = $1;
		1641
		1642	$group =~ s/&/&amp;/g;
		1643	$group =~ s/</&lt;/g;
		1644
		1645	$xml .= $group;
		1646	} elsif ($pod =~ m%\G
		1647	([BCGHITU])
		1648	<
		1649	(?:
		1650	([^<>]*) (?{ $group = $^N })
		1651	| < $interior >
		1652	)
		1653	>
		1654	%gcsx
		1655	) {
		1656	my ($code, $data) = ($1, $group);
		1657
		1658	if ($code eq "B") {
		1659	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1660	} elsif ($code eq "I") {
		1661	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1662	} elsif ($code eq "U") {
		1663	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1664	} elsif ($code eq "C") {
		1665	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1666	} elsif ($code eq "T") {
		1667	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1668	} elsif ($code eq "G") {
		1669	my ($male, $female) = split /\|/, $data;
		1670	$data = $self->gender ? $female : $male;
		1671	$xml .= expand_cfpod ($self, $data);
		1672	} elsif ($code eq "H") {
		1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1675	"")
		1676	[$self->{hintmode}];
		1677	} else {
		1678	$xml .= "error processing '$code($data)' directive";
		1679	}
		1680	} else {
		1681	if ($pod =~ /\G(.+)/) {
		1682	warn "parse error while expanding $pod (at $1)";
		1683	}
		1684	last;
		1685	}
		1686	}
		1687
		1688	for ($xml) {
		1689	# create single paragraphs (very hackish)
		1690	s/(?<=\S)\n(?=\w)/ /g;
		1691
		1692	# compress some whitespace
		1693	s/\s+\n/\n/g; # ws line-ends
		1694	s/\n\n+/\n/g; # double lines
		1695	s/^\n+//; # beginning lines
		1696	s/\n+$//; # ending lines
		1697	}
		1698
		1699	$xml
		1700	}
		1701
		1702	no re 'eval';
		1703
		1704	sub hintmode {
		1705	$_[0]{hintmode} = $_[1] if @_ > 1;
		1706	$_[0]{hintmode}
		1707	}
		1708
1129	=item $player->ext_reply ($msgid, %msg)	1709	=item $player->ext_reply ($msgid, @msg)
1130		1710
1131	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1132		1712
1133	=cut	1713	=cut
1134		1714
1135	sub ext_reply($$%) {	1715	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1716	my ($self, $id, @msg) = @_;
1137		1717
1138	$msg{msgid} = $id;	1718	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1719	}
1142		1720
1143	=item $player->ext_event ($type, %msg)	1721	=item $player->ext_msg ($type, @msg)
1144		1722
1145	Sends an ext event to the client.	1723	Sends an ext event to the client.
1146		1724
1147	=cut	1725	=cut
1148		1726
1149	sub ext_event($$%) {	1727	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1728	my ($self, $type, @msg) = @_;
1151		1729
1152	$self->ns->ext_event ($type, %msg);	1730	$self->ns->ext_msg ($type, @msg);
1153	}	1731	}
1154		1732
1155	package cf;	1733	=head3 cf::region
		1734
		1735	=over 4
		1736
		1737	=cut
		1738
		1739	package cf::region;
		1740
		1741	=item cf::region::find_by_path $path
		1742
		1743	Tries to decuce the likely region for a map knowing only its path.
		1744
		1745	=cut
		1746
		1747	sub find_by_path($) {
		1748	my ($path) = @_;
		1749
		1750	my ($match, $specificity);
		1751
		1752	for my $region (list) {
		1753	if ($region->{match} && $path =~ $region->{match}) {
		1754	($match, $specificity) = ($region, $region->specificity)
		1755	if $region->specificity > $specificity;
		1756	}
		1757	}
		1758
		1759	$match
		1760	}
1156		1761
1157	=back	1762	=back
1158
1159		1763
1160	=head3 cf::map	1764	=head3 cf::map
1161		1765
1162	=over 4	1766	=over 4
1163		1767
…		…
1175	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1176	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1177		1781
1178	sub generate_random_map {	1782	sub generate_random_map {
1179	my ($self, $rmp) = @_;	1783	my ($self, $rmp) = @_;
		1784
		1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1786
1180	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1181	$self->_create_random_map (	1788	$self->_create_random_map (
1182	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1183	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1184	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1218	my ($self, $merge) = @_;	1825	my ($self, $merge) = @_;
1219		1826
1220	# we have to keep some variables in memory intact	1827	# we have to keep some variables in memory intact
1221	local $self->{path};	1828	local $self->{path};
1222	local $self->{load_path};	1829	local $self->{load_path};
1223	local $self->{deny_save};
1224	local $self->{deny_reset};
1225		1830
1226	$self->SUPER::thawer_merge ($merge);	1831	$self->SUPER::thawer_merge ($merge);
1227	}	1832	}
1228		1833
1229	sub normalise {	1834	sub normalise {
…		…
1276	$self->init; # pass $1 etc.	1881	$self->init; # pass $1 etc.
1277	return $self;	1882	return $self;
1278	}	1883	}
1279	}	1884	}
1280		1885
1281	Carp::carp "unable to resolve path '$path' (base '$base').";	1886	Carp::cluck "unable to resolve path '$path' (base '$base').";
1282	()	1887	()
1283	}	1888	}
1284		1889
1285	sub init {	1890	sub init {
1286	my ($self) = @_;	1891	my ($self) = @_;
…		…
1301		1906
1302	# the original (read-only) location	1907	# the original (read-only) location
1303	sub load_path {	1908	sub load_path {
1304	my ($self) = @_;	1909	my ($self) = @_;
1305		1910
1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1911	"$MAPDIR/$self->{path}.map"
1307	}	1912	}
1308		1913
1309	# the temporary/swap location	1914	# the temporary/swap location
1310	sub save_path {	1915	sub save_path {
1311	my ($self) = @_;	1916	my ($self) = @_;
1312		1917
1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1919	"$TMPDIR/$path.map"
1315	}	1920	}
1316		1921
1317	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1318	sub uniq_path {	1923	sub uniq_path {
1319	my ($self) = @_;	1924	my ($self) = @_;
1320		1925
1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1927	"$UNIQUEDIR/$path"
1323	}	1928	}
1324		1929
1325	# and all this just because we cannot iterate over	1930	# and all this just because we cannot iterate over
1326	# all maps in C++...	1931	# all maps in C++...
1327	sub change_all_map_light {	1932	sub change_all_map_light {
…		…
1329		1934
1330	$_->change_map_light ($change)	1935	$_->change_map_light ($change)
1331	for grep $_->outdoor, values %cf::MAP;	1936	for grep $_->outdoor, values %cf::MAP;
1332	}	1937	}
1333		1938
		1939	sub decay_objects {
		1940	my ($self) = @_;
		1941
		1942	return if $self->{deny_reset};
		1943
		1944	$self->do_decay_objects;
		1945	}
		1946
1334	sub unlink_save {	1947	sub unlink_save {
1335	my ($self) = @_;	1948	my ($self) = @_;
1336		1949
1337	utf8::encode (my $save = $self->save_path);	1950	utf8::encode (my $save = $self->save_path);
1338	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1951	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1341		1954
1342	sub load_header_from($) {	1955	sub load_header_from($) {
1343	my ($self, $path) = @_;	1956	my ($self, $path) = @_;
1344		1957
1345	utf8::encode $path;	1958	utf8::encode $path;
1346	#aio_open $path, O_RDONLY, 0	1959	my $f = new_from_file cf::object::thawer $path
1347	# or return;
1348
1349	$self->_load_header ($path)
1350	or return;	1960	or return;
		1961
		1962	$self->_load_header ($f)
		1963	or return;
		1964
		1965	local $MAP_LOADING{$self->{path}} = $self;
		1966	$f->resolve_delayed_derefs;
1351		1967
1352	$self->{load_path} = $path;	1968	$self->{load_path} = $path;
1353		1969
1354	1	1970	1
1355	}	1971	}
…		…
1394	$self->load_header_orig	2010	$self->load_header_orig
1395	or return;	2011	or return;
1396	$self->prepare_orig;	2012	$self->prepare_orig;
1397	}	2013	}
1398		2014
		2015	$self->{deny_reset} = 1
		2016	if $self->no_reset;
		2017
		2018	$self->default_region (cf::region::find_by_path $self->{path})
		2019	unless $self->default_region;
		2020
1399	1	2021	1
1400	}	2022	}
1401		2023
1402	sub find;	2024	sub find;
1403	sub find {	2025	sub find {
1404	my ($path, $origin) = @_;	2026	my ($path, $origin) = @_;
1405		2027
1406	$path = normalise $path, $origin && $origin->path;	2028	$path = normalise $path, $origin && $origin->path;
1407		2029
		2030	cf::lock_wait "map_data:$path";#d#remove
1408	cf::lock_wait "map_find:$path";	2031	cf::lock_wait "map_find:$path";
1409		2032
1410	$cf::MAP{$path} || do {	2033	$cf::MAP{$path} || do {
1411	my $guard = cf::lock_acquire "map_find:$path";	2034	my $guard1 = cf::lock_acquire "map_find:$path";
		2035	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2036
1412	my $map = new_from_path cf::map $path	2037	my $map = new_from_path cf::map $path
1413	or return;	2038	or return;
1414		2039
1415	$map->{last_save} = $cf::RUNTIME;	2040	$map->{last_save} = $cf::RUNTIME;
1416		2041
1417	$map->load_header	2042	$map->load_header
1418	or return;	2043	or return;
1419		2044
1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1421	# doing this can freeze the server in a sync job, obviously	2046	# doing this can freeze the server in a sync job, obviously
1422	#$cf::WAIT_FOR_TICK->wait;	2047	#$cf::WAIT_FOR_TICK->wait;
		2048	undef $guard1;
		2049	undef $guard2;
1423	$map->reset;	2050	$map->reset;
1424	undef $guard;
1425	return find $path;	2051	return find $path;
1426	}	2052	}
1427		2053
1428	$cf::MAP{$path} = $map	2054	$cf::MAP{$path} = $map
1429	}	2055	}
…		…
1436	my ($self) = @_;	2062	my ($self) = @_;
1437		2063
1438	local $self->{deny_reset} = 1; # loading can take a long time	2064	local $self->{deny_reset} = 1; # loading can take a long time
1439		2065
1440	my $path = $self->{path};	2066	my $path = $self->{path};
		2067
		2068	{
1441	my $guard = cf::lock_acquire "map_load:$path";	2069	my $guard = cf::lock_acquire "map_data:$path";
1442		2070
		2071	return unless $self->valid;
1443	return if $self->in_memory != cf::MAP_SWAPPED;	2072	return unless $self->in_memory == cf::MAP_SWAPPED;
1444		2073
1445	$self->in_memory (cf::MAP_LOADING);	2074	$self->in_memory (cf::MAP_LOADING);
1446		2075
1447	$self->alloc;	2076	$self->alloc;
1448		2077
1449	$self->pre_load;	2078	$self->pre_load;
		2079	cf::cede_to_tick;
1450		2080
1451	$self->_load_objects ($self->{load_path}, 1)	2081	my $f = new_from_file cf::object::thawer $self->{load_path};
		2082	$f->skip_block;
		2083	$self->_load_objects ($f)
1452	or return;	2084	or return;
1453		2085
1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1455	if delete $self->{load_original};	2087	if delete $self->{load_original};
1456		2088
1457	if (my $uniq = $self->uniq_path) {	2089	if (my $uniq = $self->uniq_path) {
1458	utf8::encode $uniq;	2090	utf8::encode $uniq;
1459	if (aio_open $uniq, O_RDONLY, 0) {	2091	unless (aio_stat $uniq) {
		2092	if (my $f = new_from_file cf::object::thawer $uniq) {
1460	$self->clear_unique_items;	2093	$self->clear_unique_items;
1461	$self->_load_objects ($uniq, 0);	2094	$self->_load_objects ($f);
		2095	$f->resolve_delayed_derefs;
		2096	}
1462	}	2097	}
1463	}	2098	}
1464		2099
1465	Coro::cede;	2100	$f->resolve_delayed_derefs;
1466		2101
		2102	cf::cede_to_tick;
1467	# now do the right thing for maps	2103	# now do the right thing for maps
1468	$self->link_multipart_objects;	2104	$self->link_multipart_objects;
1469
1470	unless ($self->{deny_activate}) {
1471	$self->decay_objects;
1472	$self->fix_auto_apply;
1473	$self->update_buttons;
1474	Coro::cede;
1475	$self->set_darkness_map;
1476	$self->difficulty ($self->estimate_difficulty)	2105	$self->difficulty ($self->estimate_difficulty)
1477	unless $self->difficulty;	2106	unless $self->difficulty;
1478	Coro::cede;	2107	cf::cede_to_tick;
		2108
		2109	unless ($self->{deny_activate}) {
		2110	$self->decay_objects;
		2111	$self->fix_auto_apply;
		2112	$self->update_buttons;
		2113	cf::cede_to_tick;
		2114	$self->set_darkness_map;
		2115	cf::cede_to_tick;
1479	$self->activate;	2116	$self->activate;
		2117	}
		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
		2122	$self->in_memory (cf::MAP_ACTIVE);
1480	}	2123	}
1481		2124
1482	$self->post_load;	2125	$self->post_load;
1483
1484	$self->in_memory (cf::MAP_IN_MEMORY);
1485	}	2126	}
1486		2127
1487	sub customise_for {	2128	sub customise_for {
1488	my ($self, $ob) = @_;	2129	my ($self, $ob) = @_;
1489		2130
1490	return find "~" . $ob->name . "/" . $self->{path}	2131	return find "~" . $ob->name . "/" . $self->{path}
1491	if $self->per_player;	2132	if $self->per_player;
1492		2133
		2134	# return find "?party/" . $ob->name . "/" . $self->{path}
		2135	# if $self->per_party;
		2136
1493	$self	2137	$self
1494	}	2138	}
1495		2139
1496	# find and load all maps in the 3x3 area around a map	2140	# find and load all maps in the 3x3 area around a map
1497	sub load_diag {	2141	sub load_neighbours {
1498	my ($map) = @_;	2142	my ($map) = @_;
1499		2143
1500	my @diag; # diagonal neighbours	2144	my @neigh; # diagonal neighbours
1501		2145
1502	for (0 .. 3) {	2146	for (0 .. 3) {
1503	my $neigh = $map->tile_path ($_)	2147	my $neigh = $map->tile_path ($_)
1504	or next;	2148	or next;
1505	$neigh = find $neigh, $map	2149	$neigh = find $neigh, $map
1506	or next;	2150	or next;
1507	$neigh->load;	2151	$neigh->load;
1508		2152
		2153	push @neigh,
1509	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2154	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1510	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2155	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1511	}	2156	}
1512		2157
1513	for (@diag) {	2158	for (grep defined $_->[0], @neigh) {
		2159	my ($path, $origin) = @$_;
1514	my $neigh = find @$_	2160	my $neigh = find $path, $origin
1515	or next;	2161	or next;
1516	$neigh->load;	2162	$neigh->load;
1517	}	2163	}
1518	}	2164	}
1519		2165
…		…
1524	}	2170	}
1525		2171
1526	sub do_load_sync {	2172	sub do_load_sync {
1527	my ($map) = @_;	2173	my ($map) = @_;
1528		2174
		2175	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2176	if $Coro::current == $Coro::main;
		2177
1529	cf::sync_job { $map->load };	2178	cf::sync_job { $map->load };
1530	}	2179	}
1531		2180
1532	our %MAP_PREFETCH;	2181	our %MAP_PREFETCH;
1533	our $MAP_PREFETCHER = undef;	2182	our $MAP_PREFETCHER = undef;
1534		2183
1535	sub find_async {	2184	sub find_async {
1536	my ($path, $origin) = @_;	2185	my ($path, $origin, $load) = @_;
1537		2186
1538	$path = normalise $path, $origin && $origin->{path};	2187	$path = normalise $path, $origin && $origin->{path};
1539		2188
1540	if (my $map = $cf::MAP{$path}) {	2189	if (my $map = $cf::MAP{$path}) {
1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2190	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1542	}	2191	}
1543		2192
1544	undef $MAP_PREFETCH{$path};	2193	$MAP_PREFETCH{$path} |= $load;
		2194
1545	$MAP_PREFETCHER ||= cf::async {	2195	$MAP_PREFETCHER ||= cf::async {
		2196	$Coro::current->{desc} = "map prefetcher";
		2197
1546	while (%MAP_PREFETCH) {	2198	while (%MAP_PREFETCH) {
1547	for my $path (keys %MAP_PREFETCH) {	2199	while (my ($k, $v) = each %MAP_PREFETCH) {
1548	my $map = find $path	2200	if (my $map = find $k) {
1549	or next;
1550	$map->load;	2201	$map->load if $v;
		2202	}
1551		2203
1552	delete $MAP_PREFETCH{$path};	2204	delete $MAP_PREFETCH{$k};
1553	}	2205	}
1554	}	2206	}
1555	undef $MAP_PREFETCHER;	2207	undef $MAP_PREFETCHER;
1556	};	2208	};
1557	$MAP_PREFETCHER->prio (6);	2209	$MAP_PREFETCHER->prio (6);
…		…
1560	}	2212	}
1561		2213
1562	sub save {	2214	sub save {
1563	my ($self) = @_;	2215	my ($self) = @_;
1564		2216
1565	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1566		2218
1567	$self->{last_save} = $cf::RUNTIME;	2219	$self->{last_save} = $cf::RUNTIME;
1568		2220
1569	return unless $self->dirty;	2221	return unless $self->dirty;
1570		2222
…		…
1576	return if $self->{deny_save};	2228	return if $self->{deny_save};
1577		2229
1578	local $self->{last_access} = $self->last_access;#d#	2230	local $self->{last_access} = $self->last_access;#d#
1579		2231
1580	cf::async {	2232	cf::async {
		2233	$Coro::current->{desc} = "map player save";
1581	$_->contr->save for $self->players;	2234	$_->contr->save for $self->players;
1582	};	2235	};
		2236
		2237	cf::get_slot 0.02;
1583		2238
1584	if ($uniq) {	2239	if ($uniq) {
1585	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2240	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1586	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2241	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1587	} else {	2242	} else {
…		…
1593	my ($self) = @_;	2248	my ($self) = @_;
1594		2249
1595	# save first because save cedes	2250	# save first because save cedes
1596	$self->save;	2251	$self->save;
1597		2252
1598	my $lock = cf::lock_acquire "map_data:" . $self->path;	2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2254
1600	return if $self->players;	2255	return if $self->players;
1601	return if $self->in_memory != cf::MAP_IN_MEMORY;	2256	return if $self->in_memory != cf::MAP_ACTIVE;
1602	return if $self->{deny_save};	2257	return if $self->{deny_save};
1603		2258
		2259	$self->in_memory (cf::MAP_SWAPPED);
		2260
		2261	$self->deactivate;
		2262	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2263	$self->clear;
1605	$self->in_memory (cf::MAP_SWAPPED);
1606	}	2264	}
1607		2265
1608	sub reset_at {	2266	sub reset_at {
1609	my ($self) = @_;	2267	my ($self) = @_;
1610		2268
1611	# TODO: safety, remove and allow resettable per-player maps	2269	# TODO: safety, remove and allow resettable per-player maps
1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1613	return 1e99 if $self->{deny_reset};	2270	return 1e99 if $self->{deny_reset};
1614		2271
1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2272	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2273	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1617		2274
…		…
1628	my ($self) = @_;	2285	my ($self) = @_;
1629		2286
1630	my $lock = cf::lock_acquire "map_data:$self->{path}";	2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
1631		2288
1632	return if $self->players;	2289	return if $self->players;
1633	return if $self->isa ("ext::map_per_player");#d#
1634		2290
1635	warn "resetting map ", $self->path;#d#	2291	warn "resetting map ", $self->path;
1636		2292
1637	$self->in_memory (cf::MAP_SWAPPED);	2293	$self->in_memory (cf::MAP_SWAPPED);
1638		2294
1639	# need to save uniques path	2295	# need to save uniques path
1640	unless ($self->{deny_save}) {	2296	unless ($self->{deny_save}) {
…		…
1644	if $uniq;	2300	if $uniq;
1645	}	2301	}
1646		2302
1647	delete $cf::MAP{$self->path};	2303	delete $cf::MAP{$self->path};
1648		2304
		2305	$self->deactivate;
		2306	$_->clear_links_to ($self) for values %cf::MAP;
1649	$self->clear;	2307	$self->clear;
1650
1651	$_->clear_links_to ($self) for values %cf::MAP;
1652		2308
1653	$self->unlink_save;	2309	$self->unlink_save;
1654	$self->destroy;	2310	$self->destroy;
1655	}	2311	}
1656		2312
1657	my $nuke_counter = "aaaa";	2313	my $nuke_counter = "aaaa";
1658		2314
1659	sub nuke {	2315	sub nuke {
1660	my ($self) = @_;	2316	my ($self) = @_;
1661		2317
		2318	{
		2319	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2320
1662	delete $cf::MAP{$self->path};	2321	delete $cf::MAP{$self->path};
1663		2322
1664	$self->unlink_save;	2323	$self->unlink_save;
1665		2324
1666	bless $self, "cf::map";	2325	bless $self, "cf::map";
1667	delete $self->{deny_reset};	2326	delete $self->{deny_reset};
1668	$self->{deny_save} = 1;	2327	$self->{deny_save} = 1;
1669	$self->reset_timeout (1);	2328	$self->reset_timeout (1);
1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2329	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1671		2330
1672	$cf::MAP{$self->path} = $self;	2331	$cf::MAP{$self->path} = $self;
		2332	}
1673		2333
1674	$self->reset; # polite request, might not happen	2334	$self->reset; # polite request, might not happen
		2335	}
		2336
		2337	=item $maps = cf::map::tmp_maps
		2338
		2339	Returns an arrayref with all map paths of currently instantiated and saved
		2340	maps. May block.
		2341
		2342	=cut
		2343
		2344	sub tmp_maps() {
		2345	[
		2346	map {
		2347	utf8::decode $_;
		2348	/\.map$/
		2349	? normalise $_
		2350	: ()
		2351	} @{ aio_readdir $TMPDIR or [] }
		2352	]
		2353	}
		2354
		2355	=item $maps = cf::map::random_maps
		2356
		2357	Returns an arrayref with all map paths of currently instantiated and saved
		2358	random maps. May block.
		2359
		2360	=cut
		2361
		2362	sub random_maps() {
		2363	[
		2364	map {
		2365	utf8::decode $_;
		2366	/\.map$/
		2367	? normalise "?random/$_"
		2368	: ()
		2369	} @{ aio_readdir $RANDOMDIR or [] }
		2370	]
1675	}	2371	}
1676		2372
1677	=item cf::map::unique_maps	2373	=item cf::map::unique_maps
1678		2374
1679	Returns an arrayref of paths of all shared maps that have	2375	Returns an arrayref of paths of all shared maps that have
1680	instantiated unique items. May block.	2376	instantiated unique items. May block.
1681		2377
1682	=cut	2378	=cut
1683		2379
1684	sub unique_maps() {	2380	sub unique_maps() {
1685	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2381	[
1686	or return;	2382	map {
1687
1688	my @paths;
1689
1690	for (@$files) {
1691	utf8::decode $_;	2383	utf8::decode $_;
1692	next if /\.pst$/;	2384	s/\.map$//; # TODO future compatibility hack
1693	next unless /^$PATH_SEP/o;	2385	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1694		2386	? ()
1695	push @paths, cf::map::normalise $_;	2387	: normalise $_
		2388	} @{ aio_readdir $UNIQUEDIR or [] }
1696	}	2389	]
1697
1698	\@paths
1699	}	2390	}
1700
1701	package cf;
1702		2391
1703	=back	2392	=back
1704		2393
1705	=head3 cf::object	2394	=head3 cf::object
1706		2395
…		…
1710		2399
1711	=over 4	2400	=over 4
1712		2401
1713	=item $ob->inv_recursive	2402	=item $ob->inv_recursive
1714		2403
1715	Returns the inventory of the object _and_ their inventories, recursively.	2404	Returns the inventory of the object I<and> their inventories, recursively,
		2405	but I<not> the object itself.
1716		2406
1717	=cut	2407	=cut
1718		2408
1719	sub inv_recursive_;	2409	sub inv_recursive_;
1720	sub inv_recursive_ {	2410	sub inv_recursive_ {
1721	map { $_, inv_recursive_ $_->inv } @_	2411	map { $_, inv_recursive_ $_->inv } @_
1722	}	2412	}
1723		2413
1724	sub inv_recursive {	2414	sub inv_recursive {
1725	inv_recursive_ inv $_[0]	2415	inv_recursive_ inv $_[0]
		2416	}
		2417
		2418	=item $ref = $ob->ref
		2419
		2420	Creates and returns a persistent reference to an object that can be stored as a string.
		2421
		2422	=item $ob = cf::object::deref ($refstring)
		2423
		2424	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2425	even if the object actually exists. May block.
		2426
		2427	=cut
		2428
		2429	sub deref {
		2430	my ($ref) = @_;
		2431
		2432	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2433	my ($uuid, $name) = ($1, $2);
		2434	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2435	or return;
		2436	$pl->ob->uuid eq $uuid
		2437	or return;
		2438
		2439	$pl->ob
		2440	} else {
		2441	warn "$ref: cannot resolve object reference\n";
		2442	undef
		2443	}
1726	}	2444	}
1727		2445
1728	package cf;	2446	package cf;
1729		2447
1730	=back	2448	=back
…		…
1749		2467
1750	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2468	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1751		2469
1752	if ($self->{record_replies}) {	2470	if ($self->{record_replies}) {
1753	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2471	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2472
1754	} else {	2473	} else {
		2474	my $pl = $self->contr;
		2475
		2476	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2477	my $dialog = $pl->{npc_dialog};
		2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2479
		2480	} else {
1755	$msg = $npc->name . " says: $msg" if $npc;	2481	$msg = $npc->name . " says: $msg" if $npc;
1756	$self->message ($msg, $flags);	2482	$self->message ($msg, $flags);
		2483	}
1757	}	2484	}
		2485	}
		2486
		2487	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2488
		2489	=cut
		2490
		2491	sub cf::object::send_msg {
		2492	my $pl = shift->contr
		2493	or return;
		2494	$pl->send_msg (@_);
1758	}	2495	}
1759		2496
1760	=item $player_object->may ("access")	2497	=item $player_object->may ("access")
1761		2498
1762	Returns wether the given player is authorized to access resource "access"	2499	Returns wether the given player is authorized to access resource "access"
…		…
1809	$self->deactivate_recursive;	2546	$self->deactivate_recursive;
1810		2547
1811	return if UNIVERSAL::isa $self->map, "ext::map_link";	2548	return if UNIVERSAL::isa $self->map, "ext::map_link";
1812		2549
1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2550	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1814	if $self->map;	2551	if $self->map && $self->map->{path} ne "{link}";
1815		2552
1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2553	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1817	}	2554	}
1818		2555
1819	sub cf::object::player::leave_link {	2556	sub cf::object::player::leave_link {
1820	my ($self, $map, $x, $y) = @_;	2557	my ($self, $map, $x, $y) = @_;
		2558
		2559	return unless $self->contr->active;
1821		2560
1822	my $link_pos = delete $self->{_link_pos};	2561	my $link_pos = delete $self->{_link_pos};
1823		2562
1824	unless ($map) {	2563	unless ($map) {
1825	# restore original map position	2564	# restore original map position
…		…
1839	# use -1 or undef as default coordinates, not 0, 0	2578	# use -1 or undef as default coordinates, not 0, 0
1840	($x, $y) = ($map->enter_x, $map->enter_y)	2579	($x, $y) = ($map->enter_x, $map->enter_y)
1841	if $x <=0 && $y <= 0;	2580	if $x <=0 && $y <= 0;
1842		2581
1843	$map->load;	2582	$map->load;
1844	$map->load_diag;	2583	$map->load_neighbours;
1845		2584
1846	return unless $self->contr->active;	2585	return unless $self->contr->active;
1847	$self->activate_recursive;	2586	$self->activate_recursive;
1848		2587
1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1850	$self->enter_map ($map, $x, $y);	2589	$self->enter_map ($map, $x, $y);
1851	}	2590	}
1852		2591
1853	cf::player->attach (	2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1854	on_logout => sub {
1855	my ($pl) = @_;
1856		2593
1857	# abort map switching before logout	2594	Moves the player to the given map-path and coordinates by first freezing
1858	if ($pl->ob->{_link_pos}) {	2595	her, loading and preparing them map, calling the provided $check callback
1859	cf::sync_job {	2596	that has to return the map if sucecssful, and then unfreezes the player on
1860	$pl->ob->leave_link	2597	the new (success) or old (failed) map position. In either case, $done will
1861	};	2598	be called at the end of this process.
1862	}
1863	},
1864	on_login => sub {
1865	my ($pl) = @_;
1866		2599
1867	# try to abort aborted map switching on player login :)
1868	# should happen only on crashes
1869	if ($pl->ob->{_link_pos}) {
1870	$pl->ob->enter_link;
1871	(async {
1872	$pl->ob->reply (undef,
1873	"There was an internal problem at your last logout, "
1874	. "the server will try to bring you to your intended destination in a second.",
1875	cf::NDI_RED);
1876	# we need this sleep as the login has a concurrent enter_exit running
1877	# and this sleep increases chances of the player not ending up in scorn
1878	Coro::Timer::sleep 1;
1879	$pl->ob->leave_link;
1880	})->prio (2);
1881	}
1882	},
1883	);
1884
1885	=item $player_object->goto ($path, $x, $y)
1886
1887	=cut	2600	=cut
		2601
		2602	our $GOTOGEN;
1888		2603
1889	sub cf::object::player::goto {	2604	sub cf::object::player::goto {
1890	my ($self, $path, $x, $y) = @_;	2605	my ($self, $path, $x, $y, $check, $done) = @_;
		2606
		2607	# do generation counting so two concurrent goto's will be executed in-order
		2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1891		2609
1892	$self->enter_link;	2610	$self->enter_link;
1893		2611
1894	(async {	2612	(async {
		2613	$Coro::current->{desc} = "player::goto $path $x $y";
		2614
		2615	# *tag paths override both path and x|y
		2616	if ($path =~ /^\*(.*)$/) {
		2617	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2618	my $ob = $obs[rand @obs];
		2619
		2620	# see if we actually can go there
		2621	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2622	$ob = $obs[rand @obs];
		2623	} else {
		2624	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2625	}
		2626	# else put us there anyways for now #d#
		2627
		2628	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2629	} else {
		2630	($path, $x, $y) = (undef, undef, undef);
		2631	}
		2632	}
		2633
1895	my $map = eval {	2634	my $map = eval {
1896	my $map = cf::map::find $path;	2635	my $map = defined $path ? cf::map::find $path : undef;
		2636
		2637	if ($map) {
1897	$map = $map->customise_for ($self) if $map;	2638	$map = $map->customise_for ($self);
		2639	$map = $check->($map) if $check && $map;
		2640	} else {
		2641	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2642	}
		2643
1898	$map	2644	$map
		2645	};
		2646
		2647	if ($@) {
		2648	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2649	LOG llevError | logBacktrace, Carp::longmess $@;
1899	} or	2650	}
1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1901		2651
		2652	if ($gen == $self->{_goto_generation}) {
		2653	delete $self->{_goto_generation};
1902	$self->leave_link ($map, $x, $y);	2654	$self->leave_link ($map, $x, $y);
		2655	}
		2656
		2657	$done->() if $done;
1903	})->prio (1);	2658	})->prio (1);
1904	}	2659	}
1905		2660
1906	=item $player_object->enter_exit ($exit_object)	2661	=item $player_object->enter_exit ($exit_object)
1907		2662
…		…
1944	$rmp->{origin_y} = $exit->y;	2699	$rmp->{origin_y} = $exit->y;
1945	}	2700	}
1946		2701
1947	$rmp->{random_seed} ||= $exit->random_seed;	2702	$rmp->{random_seed} ||= $exit->random_seed;
1948		2703
1949	my $data = cf::to_json $rmp;	2704	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1950	my $md5 = Digest::MD5::md5_hex $data;	2705	my $md5 = Digest::MD5::md5_hex $data;
1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2706	my $meta = "$RANDOMDIR/$md5.meta";
1952		2707
1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1954	aio_write $fh, 0, (length $data), $data, 0;	2709	aio_write $fh, 0, (length $data), $data, 0;
1955	undef $fh;	2710	undef $fh;
1956	aio_rename "$meta~", $meta;	2711	aio_rename "$meta~", $meta;
…		…
1965		2720
1966	return unless $self->type == cf::PLAYER;	2721	return unless $self->type == cf::PLAYER;
1967		2722
1968	if ($exit->slaying eq "/!") {	2723	if ($exit->slaying eq "/!") {
1969	#TODO: this should de-fi-ni-te-ly not be a sync-job	2724	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2725	# the problem is that $exit might not survive long enough
		2726	# so it needs to be done right now, right here
1970	cf::sync_job { prepare_random_map $exit };	2727	cf::sync_job { prepare_random_map $exit };
1971	}	2728	}
1972		2729
1973	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2730	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1974	my $hp = $exit->stats->hp;	2731	my $hp = $exit->stats->hp;
1975	my $sp = $exit->stats->sp;	2732	my $sp = $exit->stats->sp;
1976		2733
1977	$self->enter_link;	2734	$self->enter_link;
1978		2735
		2736	# if exit is damned, update players death & WoR home-position
		2737	$self->contr->savebed ($slaying, $hp, $sp)
		2738	if $exit->flag (FLAG_DAMNED);
		2739
1979	(async {	2740	(async {
		2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2742
1980	$self->deactivate_recursive; # just to be sure	2743	$self->deactivate_recursive; # just to be sure
1981	unless (eval {	2744	unless (eval {
1982	$self->goto ($slaying, $hp, $sp);	2745	$self->goto ($slaying, $hp, $sp);
1983		2746
1984	1;	2747	1;
1985	}) {	2748	}) {
1986	$self->message ("Something went wrong deep within the crossfire server. "	2749	$self->message ("Something went wrong deep within the crossfire server. "
1987	. "I'll try to bring you back to the map you were before. "	2750	. "I'll try to bring you back to the map you were before. "
1988	. "Please report this to the dungeon master!",	2751	. "Please report this to the dungeon master!",
1989	cf::NDI_UNIQUE | cf::NDI_RED);	2752	cf::NDI_UNIQUE | cf::NDI_RED);
1990		2753
1991	warn "ERROR in enter_exit: $@";	2754	warn "ERROR in enter_exit: $@";
1992	$self->leave_link;	2755	$self->leave_link;
1993	}	2756	}
1994	})->prio (1);	2757	})->prio (1);
…		…
2010		2773
2011	utf8::encode $text;	2774	utf8::encode $text;
2012	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2775	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2013	}	2776	}
2014		2777
		2778	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2779
		2780	Send a drawinfo or msg packet to the client, formatting the msg for the
		2781	client if neccessary. C<$type> should be a string identifying the type of
		2782	the message, with C<log> being the default. If C<$color> is negative, suppress
		2783	the message unless the client supports the msg packet.
		2784
		2785	=cut
		2786
		2787	# non-persistent channels (usually the info channel)
		2788	our %CHANNEL = (
		2789	"c/identify" => {
		2790	id => "infobox",
		2791	title => "Identify",
		2792	reply => undef,
		2793	tooltip => "Items recently identified",
		2794	},
		2795	"c/examine" => {
		2796	id => "infobox",
		2797	title => "Examine",
		2798	reply => undef,
		2799	tooltip => "Signs and other items you examined",
		2800	},
		2801	"c/book" => {
		2802	id => "infobox",
		2803	title => "Book",
		2804	reply => undef,
		2805	tooltip => "The contents of a note or book",
		2806	},
		2807	"c/lookat" => {
		2808	id => "infobox",
		2809	title => "Look",
		2810	reply => undef,
		2811	tooltip => "What you saw there",
		2812	},
		2813	"c/who" => {
		2814	id => "infobox",
		2815	title => "Players",
		2816	reply => undef,
		2817	tooltip => "Shows players who are currently online",
		2818	},
		2819	"c/body" => {
		2820	id => "infobox",
		2821	title => "Body Parts",
		2822	reply => undef,
		2823	tooltip => "Shows which body parts you posess and are available",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
		2837	"c/party" => {
		2838	id => "party",
		2839	title => "Party",
		2840	reply => "gsay ",
		2841	tooltip => "Messages and chat related to your party",
		2842	},
		2843	);
		2844
		2845	sub cf::client::send_msg {
		2846	my ($self, $channel, $msg, $color, @extra) = @_;
		2847
		2848	$msg = $self->pl->expand_cfpod ($msg);
		2849
		2850	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2851
		2852	# check predefined channels, for the benefit of C
		2853	if ($CHANNEL{$channel}) {
		2854	$channel = $CHANNEL{$channel};
		2855
		2856	$self->ext_msg (channel_info => $channel)
		2857	if $self->can_msg;
		2858
		2859	$channel = $channel->{id};
		2860
		2861	} elsif (ref $channel) {
		2862	# send meta info to client, if not yet sent
		2863	unless (exists $self->{channel}{$channel->{id}}) {
		2864	$self->{channel}{$channel->{id}} = $channel;
		2865	$self->ext_msg (channel_info => $channel)
		2866	if $self->can_msg;
		2867	}
		2868
		2869	$channel = $channel->{id};
		2870	}
		2871
		2872	return unless @extra || length $msg;
		2873
		2874	if ($self->can_msg) {
		2875	# default colour, mask it out
		2876	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2877	if $color & cf::NDI_DEF;
		2878
		2879	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2880	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2881	} else {
		2882	if ($color >= 0) {
		2883	# replace some tags by gcfclient-compatible ones
		2884	for ($msg) {
		2885	1 while
		2886	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2887	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2888	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2889	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2890	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2891	}
		2892
		2893	$color &= cf::NDI_COLOR_MASK;
		2894
		2895	utf8::encode $msg;
		2896
		2897	if (0 && $msg =~ /\[/) {
		2898	# COMMAND/INFO
		2899	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2900	} else {
		2901	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2902	$self->send_packet ("drawinfo $color $msg")
		2903	}
		2904	}
		2905	}
		2906	}
		2907
2015	=item $client->ext_event ($type, %msg)	2908	=item $client->ext_msg ($type, @msg)
2016		2909
2017	Sends an exti event to the client.	2910	Sends an ext event to the client.
2018		2911
2019	=cut	2912	=cut
2020		2913
2021	sub cf::client::ext_event($$%) {	2914	sub cf::client::ext_msg($$@) {
2022	my ($self, $type, %msg) = @_;	2915	my ($self, $type, @msg) = @_;
2023		2916
		2917	if ($self->extcmd == 2) {
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2919	} elsif ($self->extcmd == 1) { # TODO: remove
2024	$msg{msgtype} = "event_$type";	2920	push @msg, msgtype => "event_$type";
2025	$self->send_packet ("ext " . cf::to_json \%msg);	2921	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2922	}
		2923	}
		2924
		2925	=item $client->ext_reply ($msgid, @msg)
		2926
		2927	Sends an ext reply to the client.
		2928
		2929	=cut
		2930
		2931	sub cf::client::ext_reply($$@) {
		2932	my ($self, $id, @msg) = @_;
		2933
		2934	if ($self->extcmd == 2) {
		2935	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2936	} elsif ($self->extcmd == 1) {
		2937	#TODO: version 1, remove
		2938	unshift @msg, msgtype => "reply", msgid => $id;
		2939	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2940	}
2026	}	2941	}
2027		2942
2028	=item $success = $client->query ($flags, "text", \&cb)	2943	=item $success = $client->query ($flags, "text", \&cb)
2029		2944
2030	Queues a query to the client, calling the given callback with	2945	Queues a query to the client, calling the given callback with
2031	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2946	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2032	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2947	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2033		2948
2034	Queries can fail, so check the return code. Or don't, as queries will become	2949	Queries can fail, so check the return code. Or don't, as queries will
2035	reliable at some point in the future.	2950	become reliable at some point in the future.
2036		2951
2037	=cut	2952	=cut
2038		2953
2039	sub cf::client::query {	2954	sub cf::client::query {
2040	my ($self, $flags, $text, $cb) = @_;	2955	my ($self, $flags, $text, $cb) = @_;
…		…
2048	utf8::encode $text;	2963	utf8::encode $text;
2049	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2964	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2050		2965
2051	$self->send_packet ($self->{query_queue}[0][0])	2966	$self->send_packet ($self->{query_queue}[0][0])
2052	if @{ $self->{query_queue} } == 1;	2967	if @{ $self->{query_queue} } == 1;
		2968
		2969	1
2053	}	2970	}
2054		2971
2055	cf::client->attach (	2972	cf::client->attach (
		2973	on_connect => sub {
		2974	my ($ns) = @_;
		2975
		2976	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2977	},
2056	on_reply => sub {	2978	on_reply => sub {
2057	my ($ns, $msg) = @_;	2979	my ($ns, $msg) = @_;
2058		2980
2059	# this weird shuffling is so that direct followup queries	2981	# this weird shuffling is so that direct followup queries
2060	# get handled first	2982	# get handled first
…		…
2072	} else {	2994	} else {
2073	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2995	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2074	}	2996	}
2075	}	2997	}
2076	},	2998	},
		2999	on_exticmd => sub {
		3000	my ($ns, $buf) = @_;
		3001
		3002	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3003
		3004	if (ref $msg) {
		3005	my ($type, $reply, @payload) =
		3006	"ARRAY" eq ref $msg
		3007	? @$msg
		3008	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3009
		3010	my @reply;
		3011
		3012	if (my $cb = $EXTICMD{$type}) {
		3013	@reply = $cb->($ns, @payload);
		3014	}
		3015
		3016	$ns->ext_reply ($reply, @reply)
		3017	if $reply;
		3018
		3019	} else {
		3020	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3021	}
		3022
		3023	cf::override;
		3024	},
2077	);	3025	);
2078		3026
2079	=item $client->async (\&cb)	3027	=item $client->async (\&cb)
2080		3028
2081	Create a new coroutine, running the specified callback. The coroutine will	3029	Create a new coroutine, running the specified callback. The coroutine will
…		…
2122	our $safe = new Safe "safe";	3070	our $safe = new Safe "safe";
2123	our $safe_hole = new Safe::Hole;	3071	our $safe_hole = new Safe::Hole;
2124		3072
2125	$SIG{FPE} = 'IGNORE';	3073	$SIG{FPE} = 'IGNORE';
2126		3074
2127	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3075	$safe->permit_only (Opcode::opset qw(
		3076	:base_core :base_mem :base_orig :base_math
		3077	grepstart grepwhile mapstart mapwhile
		3078	sort time
		3079	));
2128		3080
2129	# here we export the classes and methods available to script code	3081	# here we export the classes and methods available to script code
2130		3082
2131	=pod	3083	=pod
2132		3084
2133	The following functions and methods are available within a safe environment:	3085	The following functions and methods are available within a safe environment:
2134		3086
2135	cf::object contr pay_amount pay_player map	3087	cf::object
		3088	contr pay_amount pay_player map x y force_find force_add destroy
		3089	insert remove name archname title slaying race decrease split
		3090
2136	cf::object::player player	3091	cf::object::player
2137	cf::player peaceful	3092	player
2138	cf::map trigger	3093
		3094	cf::player
		3095	peaceful
		3096
		3097	cf::map
		3098	trigger
2139		3099
2140	=cut	3100	=cut
2141		3101
2142	for (	3102	for (
2143	["cf::object" => qw(contr pay_amount pay_player map)],	3103	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3104	insert remove inv name archname title slaying race
		3105	decrease split destroy)],
2144	["cf::object::player" => qw(player)],	3106	["cf::object::player" => qw(player)],
2145	["cf::player" => qw(peaceful)],	3107	["cf::player" => qw(peaceful)],
2146	["cf::map" => qw(trigger)],	3108	["cf::map" => qw(trigger)],
2147	) {	3109	) {
2148	no strict 'refs';	3110	no strict 'refs';
…		…
2219	=back	3181	=back
2220		3182
2221	=cut	3183	=cut
2222		3184
2223	#############################################################################	3185	#############################################################################
2224
2225	=head2 EXTENSION DATABASE SUPPORT
2226
2227	Crossfire maintains a very simple database for extension use. It can
2228	currently store anything that can be serialised using Storable, which
2229	excludes objects.
2230
2231	The parameter C<$family> should best start with the name of the extension
2232	using it, it should be unique.
2233
2234	=over 4
2235
2236	=item $value = cf::db_get $family => $key
2237
2238	Returns a single value from the database.
2239
2240	=item cf::db_put $family => $key => $value
2241
2242	Stores the given C<$value> in the family.
2243
2244	=cut
2245
2246	our $DB;
2247
2248	sub db_init {
2249	unless ($DB) {
2250	$DB = BDB::db_create $DB_ENV;
2251
2252	cf::sync_job {
2253	eval {
2254	$DB->set_flags (BDB::CHKSUM);
2255
2256	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2257	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2258	cf::cleanup "db_open(db): $!" if $!;
2259	};
2260	cf::cleanup "db_open(db): $@" if $@;
2261	};
2262
2263	my $path = cf::localdir . "/database.pst";
2264	if (stat $path) {
2265	cf::sync_job {
2266	my $pst = Storable::retrieve $path;
2267
2268	cf::db_put (board => data => $pst->{board});
2269	cf::db_put (guildrules => data => $pst->{guildrules});
2270	cf::db_put (rent => balance => $pst->{rent}{balance});
2271	BDB::db_env_txn_checkpoint $DB_ENV;
2272
2273	unlink $path;
2274	};
2275	}
2276	}
2277	}
2278
2279	sub db_get($$) {
2280	my $key = "$_[0]/$_[1]";
2281
2282	cf::sync_job {
2283	BDB::db_get $DB, undef, $key, my $data;
2284
2285	$! ? ()
2286	: Compress::LZF::sthaw $data
2287	}
2288	}
2289
2290	sub db_put($$$) {
2291	BDB::dbreq_pri 4;
2292	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2293	}
2294
2295	#############################################################################
2296	# the server's init and main functions	3186	# the server's init and main functions
2297		3187
2298	sub load_facedata {	3188	sub load_facedata($) {
2299	my $path = sprintf "%s/facedata", cf::datadir;	3189	my ($path) = @_;
		3190
		3191	# HACK to clear player env face cache, we need some signal framework
		3192	# for this (global event?)
		3193	%ext::player_env::MUSIC_FACE_CACHE = ();
		3194
		3195	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2300		3196
2301	warn "loading facedata from $path\n";	3197	warn "loading facedata from $path\n";
2302		3198
2303	my $faces;	3199	my $facedata;
2304	0 < aio_load $path, $faces	3200	0 < aio_load $path, $facedata
2305	or die "$path: $!";	3201	or die "$path: $!";
2306		3202
2307	Coro::cede;
2308	$faces = Storable::thaw $faces;	3203	$facedata = Coro::Storable::thaw $facedata;
2309	Coro::cede;
2310		3204
2311	my $meta = delete $faces->{""};
2312	$meta->{version} == 1	3205	$facedata->{version} == 2
2313	or cf::cleanup "$path: version mismatch, cannot proceed.";	3206	or cf::cleanup "$path: version mismatch, cannot proceed.";
2314		3207
		3208	# patch in the exptable
		3209	$facedata->{resource}{"res/exp_table"} = {
		3210	type => FT_RSRC,
		3211	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3212	};
		3213	cf::cede_to_tick;
		3214
		3215	{
		3216	my $faces = $facedata->{faceinfo};
		3217
2315	while (my ($face, $info) = each %$faces) {	3218	while (my ($face, $info) = each %$faces) {
2316	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3219	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2317	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3220
		3221	cf::face::set_visibility $idx, $info->{visibility};
		3222	cf::face::set_magicmap $idx, $info->{magicmap};
2318	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3223	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2319	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3224	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2320	Coro::cede;
2321	}
2322		3225
		3226	cf::cede_to_tick;
		3227	}
		3228
2323	while (my ($face, $info) = each %$faces) {	3229	while (my ($face, $info) = each %$faces) {
2324	next unless $info->{smooth};	3230	next unless $info->{smooth};
		3231
2325	my $idx = cf::face::find $face	3232	my $idx = cf::face::find $face
2326	or next;	3233	or next;
		3234
2327	if (my $smooth = cf::face::find $info->{smooth}) {	3235	if (my $smooth = cf::face::find $info->{smooth}) {
2328	cf::face::set_smooth $idx, $smooth;	3236	cf::face::set_smooth $idx, $smooth;
		3237	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2329	} else {	3238	} else {
2330	warn "smooth face '$info->{smooth}' not found for face '$face'";	3239	warn "smooth face '$info->{smooth}' not found for face '$face'";
2331	}	3240	}
2332	Coro::cede;	3241
		3242	cf::cede_to_tick;
		3243	}
		3244	}
		3245
2333	}	3246	{
		3247	my $anims = $facedata->{animinfo};
		3248
		3249	while (my ($anim, $info) = each %$anims) {
		3250	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3251	cf::cede_to_tick;
		3252	}
		3253
		3254	cf::anim::invalidate_all; # d'oh
		3255	}
		3256
		3257	{
		3258	# TODO: for gcfclient pleasure, we should give resources
		3259	# that gcfclient doesn't grok a >10000 face index.
		3260	my $res = $facedata->{resource};
		3261
		3262	while (my ($name, $info) = each %$res) {
		3263	if (defined $info->{type}) {
		3264	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3265	my $data;
		3266
		3267	if ($info->{type} & 1) {
		3268	# prepend meta info
		3269
		3270	my $meta = $enc->encode ({
		3271	name => $name,
		3272	%{ $info->{meta} || {} },
		3273	});
		3274
		3275	$data = pack "(w/a*)*", $meta, $info->{data};
		3276	} else {
		3277	$data = $info->{data};
		3278	}
		3279
		3280	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3281	cf::face::set_type $idx, $info->{type};
		3282	} else {
		3283	$RESOURCE{$name} = $info;
		3284	}
		3285
		3286	cf::cede_to_tick;
		3287	}
		3288	}
		3289
		3290	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2334		3291
2335	1	3292	1
2336	}	3293	}
2337		3294
		3295	cf::global->attach (on_resource_update => sub {
		3296	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3297	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3298
		3299	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3300	my $sound = $soundconf->{compat}[$_]
		3301	or next;
		3302
		3303	my $face = cf::face::find "sound/$sound->[1]";
		3304	cf::sound::set $sound->[0] => $face;
		3305	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3306	}
		3307
		3308	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3309	my $face = cf::face::find "sound/$v";
		3310	cf::sound::set $k => $face;
		3311	}
		3312	}
		3313	});
		3314
		3315	register_exticmd fx_want => sub {
		3316	my ($ns, $want) = @_;
		3317
		3318	while (my ($k, $v) = each %$want) {
		3319	$ns->fx_want ($k, $v);
		3320	}
		3321	};
		3322
		3323	sub load_resource_file($) {
		3324	my $guard = lock_acquire "load_resource_file";
		3325
		3326	my $status = load_resource_file_ $_[0];
		3327	get_slot 0.1, 100;
		3328	cf::arch::commit_load;
		3329
		3330	$status
		3331	}
		3332
		3333	sub reload_regions {
		3334	# HACK to clear player env face cache, we need some signal framework
		3335	# for this (global event?)
		3336	%ext::player_env::MUSIC_FACE_CACHE = ();
		3337
		3338	load_resource_file "$MAPDIR/regions"
		3339	or die "unable to load regions file\n";
		3340
		3341	for (cf::region::list) {
		3342	$_->{match} = qr/$_->{match}/
		3343	if exists $_->{match};
		3344	}
		3345	}
		3346
		3347	sub reload_facedata {
		3348	load_facedata "$DATADIR/facedata"
		3349	or die "unable to load facedata\n";
		3350	}
		3351
		3352	sub reload_archetypes {
		3353	load_resource_file "$DATADIR/archetypes"
		3354	or die "unable to load archetypes\n";
		3355	}
		3356
		3357	sub reload_treasures {
		3358	load_resource_file "$DATADIR/treasures"
		3359	or die "unable to load treasurelists\n";
		3360	}
		3361
2338	sub reload_resources {	3362	sub reload_resources {
2339	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3363	warn "reloading resource files...\n";
2340	or die "unable to load regions file\n";#d#	3364
2341	load_facedata	3365	reload_facedata;
2342	or die "unable to load facedata\n";#d#	3366	reload_archetypes;
		3367	reload_regions;
		3368	reload_treasures;
		3369
		3370	warn "finished reloading resource files\n";
2343	}	3371	}
2344		3372
2345	sub init {	3373	sub init {
		3374	my $guard = freeze_mainloop;
		3375
2346	reload_resources;	3376	reload_resources;
2347	}	3377	}
2348		3378
2349	sub cfg_load {	3379	sub reload_config {
2350	open my $fh, "<:utf8", cf::confdir . "/config"	3380	open my $fh, "<:utf8", "$CONFDIR/config"
2351	or return;	3381	or return;
2352		3382
2353	local $/;	3383	local $/;
2354	*CFG = YAML::Syck::Load <$fh>;	3384	*CFG = YAML::Load <$fh>;
2355		3385
2356	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3386	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2357		3387
2358	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3388	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2359	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3389	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2370	sub main {	3400	sub main {
2371	# we must not ever block the main coroutine	3401	# we must not ever block the main coroutine
2372	local $Coro::idle = sub {	3402	local $Coro::idle = sub {
2373	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3403	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2374	(async {	3404	(async {
2375	Event::one_event;	3405	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3406	EV::loop EV::LOOP_ONESHOT;
2376	})->prio (Coro::PRIO_MAX);	3407	})->prio (Coro::PRIO_MAX);
2377	};	3408	};
2378		3409
2379	cfg_load;	3410	{
		3411	my $guard = freeze_mainloop;
		3412	reload_config;
2380	db_init;	3413	db_init;
2381	load_extensions;	3414	load_extensions;
2382		3415
2383	$TICK_WATCHER->start;	3416	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3417	evthread_start IO::AIO::poll_fileno;
		3418	}
		3419
2384	Event::loop;	3420	EV::loop;
2385	}	3421	}
2386		3422
2387	#############################################################################	3423	#############################################################################
2388	# initialisation and cleanup	3424	# initialisation and cleanup
2389		3425
2390	# install some emergency cleanup handlers	3426	# install some emergency cleanup handlers
2391	BEGIN {	3427	BEGIN {
		3428	our %SIGWATCHER = ();
2392	for my $signal (qw(INT HUP TERM)) {	3429	for my $signal (qw(INT HUP TERM)) {
2393	Event->signal (	3430	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2394	reentrant => 0,
2395	data => WF_AUTOCANCEL,
2396	signal => $signal,
2397	prio => 0,
2398	cb => sub {
2399	cf::cleanup "SIG$signal";	3431	cf::cleanup "SIG$signal";
2400	},
2401	);	3432	};
		3433	}
		3434	}
		3435
		3436	sub write_runtime_sync {
		3437	my $runtime = "$LOCALDIR/runtime";
		3438
		3439	# first touch the runtime file to show we are still running:
		3440	# the fsync below can take a very very long time.
		3441
		3442	IO::AIO::aio_utime $runtime, undef, undef;
		3443
		3444	my $guard = cf::lock_acquire "write_runtime";
		3445
		3446	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3447	or return;
		3448
		3449	my $value = $cf::RUNTIME + 90 + 10;
		3450	# 10 is the runtime save interval, for a monotonic clock
		3451	# 60 allows for the watchdog to kill the server.
		3452
		3453	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3454	and return;
		3455
		3456	# always fsync - this file is important
		3457	aio_fsync $fh
		3458	and return;
		3459
		3460	# touch it again to show we are up-to-date
		3461	aio_utime $fh, undef, undef;
		3462
		3463	close $fh
		3464	or return;
		3465
		3466	aio_rename "$runtime~", $runtime
		3467	and return;
		3468
		3469	warn "runtime file written.\n";
		3470
2402	}	3471	1
		3472	}
		3473
		3474	our $uuid_lock;
		3475	our $uuid_skip;
		3476
		3477	sub write_uuid_sync($) {
		3478	$uuid_skip ||= $_[0];
		3479
		3480	return if $uuid_lock;
		3481	local $uuid_lock = 1;
		3482
		3483	my $uuid = "$LOCALDIR/uuid";
		3484
		3485	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3486	or return;
		3487
		3488	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3489	$uuid_skip = 0;
		3490
		3491	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3492	and return;
		3493
		3494	# always fsync - this file is important
		3495	aio_fsync $fh
		3496	and return;
		3497
		3498	close $fh
		3499	or return;
		3500
		3501	aio_rename "$uuid~", $uuid
		3502	and return;
		3503
		3504	warn "uuid file written ($value).\n";
		3505
		3506	1
		3507
		3508	}
		3509
		3510	sub write_uuid($$) {
		3511	my ($skip, $sync) = @_;
		3512
		3513	$sync ? write_uuid_sync $skip
		3514	: async { write_uuid_sync $skip };
2403	}	3515	}
2404		3516
2405	sub emergency_save() {	3517	sub emergency_save() {
2406	my $freeze_guard = cf::freeze_mainloop;	3518	my $freeze_guard = cf::freeze_mainloop;
2407		3519
…		…
2413	# and maps saved/destroyed asynchronously.	3525	# and maps saved/destroyed asynchronously.
2414	warn "begin emergency player save\n";	3526	warn "begin emergency player save\n";
2415	for my $login (keys %cf::PLAYER) {	3527	for my $login (keys %cf::PLAYER) {
2416	my $pl = $cf::PLAYER{$login} or next;	3528	my $pl = $cf::PLAYER{$login} or next;
2417	$pl->valid or next;	3529	$pl->valid or next;
		3530	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2418	$pl->save;	3531	$pl->save;
2419	}	3532	}
2420	warn "end emergency player save\n";	3533	warn "end emergency player save\n";
2421		3534
2422	warn "begin emergency map save\n";	3535	warn "begin emergency map save\n";
…		…
2428	warn "end emergency map save\n";	3541	warn "end emergency map save\n";
2429		3542
2430	warn "begin emergency database checkpoint\n";	3543	warn "begin emergency database checkpoint\n";
2431	BDB::db_env_txn_checkpoint $DB_ENV;	3544	BDB::db_env_txn_checkpoint $DB_ENV;
2432	warn "end emergency database checkpoint\n";	3545	warn "end emergency database checkpoint\n";
		3546
		3547	warn "begin write uuid\n";
		3548	write_uuid_sync 1;
		3549	warn "end write uuid\n";
2433	};	3550	};
2434		3551
2435	warn "leave emergency perl save\n";	3552	warn "leave emergency perl save\n";
2436	}	3553	}
2437		3554
…		…
2440		3557
2441	warn Carp::longmess "post_cleanup backtrace"	3558	warn Carp::longmess "post_cleanup backtrace"
2442	if $make_core;	3559	if $make_core;
2443	}	3560	}
2444		3561
2445	sub reload() {	3562	sub do_reload_perl() {
2446	# can/must only be called in main	3563	# can/must only be called in main
2447	if ($Coro::current != $Coro::main) {	3564	if ($Coro::current != $Coro::main) {
2448	warn "can only reload from main coroutine";	3565	warn "can only reload from main coroutine";
2449	return;	3566	return;
2450	}	3567	}
…		…
2452	warn "reloading...";	3569	warn "reloading...";
2453		3570
2454	warn "entering sync_job";	3571	warn "entering sync_job";
2455		3572
2456	cf::sync_job {	3573	cf::sync_job {
2457	cf::write_runtime; # external watchdog should not bark	3574	cf::write_runtime_sync; # external watchdog should not bark
2458	cf::emergency_save;	3575	cf::emergency_save;
2459	cf::write_runtime; # external watchdog should not bark	3576	cf::write_runtime_sync; # external watchdog should not bark
2460		3577
2461	warn "syncing database to disk";	3578	warn "syncing database to disk";
2462	BDB::db_env_txn_checkpoint $DB_ENV;	3579	BDB::db_env_txn_checkpoint $DB_ENV;
2463		3580
2464	# if anything goes wrong in here, we should simply crash as we already saved	3581	# if anything goes wrong in here, we should simply crash as we already saved
2465
2466	warn "cancelling all WF_AUTOCANCEL watchers";
2467	for (Event::all_watchers) {
2468	$_->cancel if $_->data & WF_AUTOCANCEL;
2469	}
2470		3582
2471	warn "flushing outstanding aio requests";	3583	warn "flushing outstanding aio requests";
2472	for (;;) {	3584	for (;;) {
2473	BDB::flush;	3585	BDB::flush;
2474	IO::AIO::flush;	3586	IO::AIO::flush;
2475	Coro::cede;	3587	Coro::cede_notself;
2476	last unless IO::AIO::nreqs || BDB::nreqs;	3588	last unless IO::AIO::nreqs || BDB::nreqs;
2477	warn "iterate...";	3589	warn "iterate...";
2478	}	3590	}
2479		3591
2480	++$RELOAD;	3592	++$RELOAD;
…		…
2484	%EXT_CORO = ();	3596	%EXT_CORO = ();
2485		3597
2486	warn "removing commands";	3598	warn "removing commands";
2487	%COMMAND = ();	3599	%COMMAND = ();
2488		3600
2489	warn "removing ext commands";	3601	warn "removing ext/exti commands";
2490	%EXTCMD = ();	3602	%EXTCMD = ();
		3603	%EXTICMD = ();
2491		3604
2492	warn "unloading/nuking all extensions";	3605	warn "unloading/nuking all extensions";
2493	for my $pkg (@EXTS) {	3606	for my $pkg (@EXTS) {
2494	warn "... unloading $pkg";	3607	warn "... unloading $pkg";
2495		3608
…		…
2525	Symbol::delete_package "safe::$_"	3638	Symbol::delete_package "safe::$_"
2526	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3639	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2527		3640
2528	warn "unloading cf.pm \"a bit\"";	3641	warn "unloading cf.pm \"a bit\"";
2529	delete $INC{"cf.pm"};	3642	delete $INC{"cf.pm"};
		3643	delete $INC{"cf/pod.pm"};
2530		3644
2531	# don't, removes xs symbols, too,	3645	# don't, removes xs symbols, too,
2532	# and global variables created in xs	3646	# and global variables created in xs
2533	#Symbol::delete_package __PACKAGE__;	3647	#Symbol::delete_package __PACKAGE__;
2534		3648
…		…
2537	warn "reloading cf.pm";	3651	warn "reloading cf.pm";
2538	require cf;	3652	require cf;
2539	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3653	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2540		3654
2541	warn "loading config and database again";	3655	warn "loading config and database again";
2542	cf::cfg_load;	3656	cf::reload_config;
2543		3657
2544	warn "loading extensions";	3658	warn "loading extensions";
2545	cf::load_extensions;	3659	cf::load_extensions;
2546		3660
2547	warn "reattaching attachments to objects/players";	3661	warn "reattaching attachments to objects/players";
…		…
2549	warn "reattaching attachments to maps";	3663	warn "reattaching attachments to maps";
2550	reattach $_ for values %MAP;	3664	reattach $_ for values %MAP;
2551	warn "reattaching attachments to players";	3665	warn "reattaching attachments to players";
2552	reattach $_ for values %PLAYER;	3666	reattach $_ for values %PLAYER;
2553		3667
2554	warn "loading reloadable resources";
2555	reload_resources;
2556
2557	warn "leaving sync_job";	3668	warn "leaving sync_job";
2558		3669
2559	1	3670	1
2560	} or do {	3671	} or do {
2561	warn $@;	3672	warn $@;
2562	warn "error while reloading, exiting.";	3673	cf::cleanup "error while reloading, exiting.";
2563	exit 1;
2564	};	3674	};
2565		3675
2566	warn "reloaded";	3676	warn "reloaded";
2567	};	3677	};
2568		3678
2569	our $RELOAD_WATCHER; # used only during reload	3679	our $RELOAD_WATCHER; # used only during reload
2570		3680
		3681	sub reload_perl() {
		3682	# doing reload synchronously and two reloads happen back-to-back,
		3683	# coro crashes during coro_state_free->destroy here.
		3684
		3685	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3686	do_reload_perl;
		3687	undef $RELOAD_WATCHER;
		3688	};
		3689	}
		3690
2571	register_command "reload" => sub {	3691	register_command "reload" => sub {
2572	my ($who, $arg) = @_;	3692	my ($who, $arg) = @_;
2573		3693
2574	if ($who->flag (FLAG_WIZ)) {	3694	if ($who->flag (FLAG_WIZ)) {
2575	$who->message ("reloading server.");	3695	$who->message ("reloading server.");
2576		3696	async {
2577	# doing reload synchronously and two reloads happen back-to-back,	3697	$Coro::current->{desc} = "perl_reload";
2578	# coro crashes during coro_state_free->destroy here.
2579
2580	$RELOAD_WATCHER ||= Event->timer (
2581	reentrant => 0,
2582	after => 0,
2583	data => WF_AUTOCANCEL,
2584	cb => sub {
2585	reload;	3698	reload_perl;
2586	undef $RELOAD_WATCHER;
2587	},
2588	);	3699	};
2589	}	3700	}
2590	};	3701	};
2591		3702
2592	unshift @INC, $LIBDIR;	3703	unshift @INC, $LIBDIR;
2593		3704
2594	my $bug_warning = 0;	3705	my $bug_warning = 0;
2595		3706
2596	$TICK_WATCHER = Event->timer (	3707	our @WAIT_FOR_TICK;
2597	reentrant => 0,	3708	our @WAIT_FOR_TICK_BEGIN;
2598	parked => 1,	3709
2599	prio => 0,	3710	sub wait_for_tick {
2600	at => $NEXT_TICK || $TICK,	3711	return if tick_inhibit || $Coro::current == $Coro::main;
2601	data => WF_AUTOCANCEL,	3712
2602	cb => sub {	3713	my $signal = new Coro::Signal;
		3714	push @WAIT_FOR_TICK, $signal;
		3715	$signal->wait;
		3716	}
		3717
		3718	sub wait_for_tick_begin {
		3719	return if tick_inhibit || $Coro::current == $Coro::main;
		3720
		3721	my $signal = new Coro::Signal;
		3722	push @WAIT_FOR_TICK_BEGIN, $signal;
		3723	$signal->wait;
		3724	}
		3725
		3726	sub tick {
2603	if ($Coro::current != $Coro::main) {	3727	if ($Coro::current != $Coro::main) {
2604	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3728	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2605	unless ++$bug_warning > 10;	3729	unless ++$bug_warning > 10;
2606	return;	3730	return;
2607	}	3731	}
2608		3732
2609	$NOW = Event::time;
2610
2611	cf::server_tick; # one server iteration	3733	cf::server_tick; # one server iteration
2612	$RUNTIME += $TICK;
2613	$NEXT_TICK += $TICK;
2614		3734
2615	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3735	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2616	$NEXT_RUNTIME_WRITE = $NOW + 10;	3736	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2617	Coro::async_pool {	3737	Coro::async_pool {
		3738	$Coro::current->{desc} = "runtime saver";
2618	write_runtime	3739	write_runtime_sync
2619	or warn "ERROR: unable to write runtime file: $!";	3740	or warn "ERROR: unable to write runtime file: $!";
2620	};
2621	}	3741	};
2622
2623	$WAIT_FOR_TICK->broadcast;
2624	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2625
2626	# my $AFTER = Event::time;
2627	# warn $AFTER - $NOW;#d#
2628
2629	# if we are delayed by four ticks or more, skip them all
2630	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2631
2632	$TICK_WATCHER->at ($NEXT_TICK);
2633	$TICK_WATCHER->start;
2634	},	3742	}
2635	);	3743
		3744	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3745	$sig->send;
		3746	}
		3747	while (my $sig = shift @WAIT_FOR_TICK) {
		3748	$sig->send;
		3749	}
		3750
		3751	$LOAD = ($NOW - $TICK_START) / $TICK;
		3752	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3753
		3754	if (0) {
		3755	if ($NEXT_TICK) {
		3756	my $jitter = $TICK_START - $NEXT_TICK;
		3757	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3758	warn "jitter $JITTER\n";#d#
		3759	}
		3760	}
		3761	}
2636		3762
2637	{	3763	{
2638	BDB::max_poll_time $TICK * 0.1;	3764	# configure BDB
2639	$BDB_POLL_WATCHER = Event->io (	3765
2640	reentrant => 0,
2641	fd => BDB::poll_fileno,
2642	poll => 'r',
2643	prio => 0,
2644	data => WF_AUTOCANCEL,
2645	cb => \&BDB::poll_cb,
2646	);
2647	BDB::min_parallel 8;	3766	BDB::min_parallel 8;
2648		3767	BDB::max_poll_reqs $TICK * 0.1;
2649	BDB::set_sync_prepare {	3768	$Coro::BDB::WATCHER->priority (1);
2650	my $status;
2651	my $current = $Coro::current;
2652	(
2653	sub {
2654	$status = $!;
2655	$current->ready; undef $current;
2656	},
2657	sub {
2658	Coro::schedule while defined $current;
2659	$! = $status;
2660	},
2661	)
2662	};
2663		3769
2664	unless ($DB_ENV) {	3770	unless ($DB_ENV) {
2665	$DB_ENV = BDB::db_env_create;	3771	$DB_ENV = BDB::db_env_create;
		3772	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3773	| BDB::LOG_AUTOREMOVE, 1);
		3774	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3775	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2666		3776
2667	cf::sync_job {	3777	cf::sync_job {
2668	eval {	3778	eval {
2669	BDB::db_env_open	3779	BDB::db_env_open
2670	$DB_ENV,	3780	$DB_ENV,
2671	$BDB_ENV_DIR,	3781	$BDBDIR,
2672	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3782	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2673	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3783	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2674	0666;	3784	0666;
2675		3785
2676	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3786	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2677
2678	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2679	$DB_ENV->set_lk_detect;
2680	};	3787	};
2681		3788
2682	cf::cleanup "db_env_open(db): $@" if $@;	3789	cf::cleanup "db_env_open(db): $@" if $@;
2683	};	3790	};
2684	}	3791	}
		3792
		3793	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3794	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3795	};
		3796	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3797	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3798	};
		3799	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3800	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3801	};
2685	}	3802	}
2686		3803
2687	{	3804	{
		3805	# configure IO::AIO
		3806
2688	IO::AIO::min_parallel 8;	3807	IO::AIO::min_parallel 8;
2689
2690	undef $Coro::AIO::WATCHER;
2691	IO::AIO::max_poll_time $TICK * 0.1;	3808	IO::AIO::max_poll_time $TICK * 0.1;
2692	$AIO_POLL_WATCHER = Event->io (	3809	$Coro::AIO::WATCHER->priority (1);
2693	reentrant => 0,
2694	data => WF_AUTOCANCEL,
2695	fd => IO::AIO::poll_fileno,
2696	poll => 'r',
2697	prio => 6,
2698	cb => \&IO::AIO::poll_cb,
2699	);
2700	}	3810	}
		3811
		3812	my $_log_backtrace;
		3813
		3814	sub _log_backtrace {
		3815	my ($msg, @addr) = @_;
		3816
		3817	$msg =~ s/\n//;
		3818
		3819	# limit the # of concurrent backtraces
		3820	if ($_log_backtrace < 2) {
		3821	++$_log_backtrace;
		3822	async {
		3823	$Coro::current->{desc} = "abt $msg";
		3824
		3825	my @bt = fork_call {
		3826	@addr = map { sprintf "%x", $_ } @addr;
		3827	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3828	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3829	or die "addr2line: $!";
		3830
		3831	my @funcs;
		3832	my @res = <$fh>;
		3833	chomp for @res;
		3834	while (@res) {
		3835	my ($func, $line) = splice @res, 0, 2, ();
		3836	push @funcs, "[$func] $line";
		3837	}
		3838
		3839	@funcs
		3840	};
		3841
		3842	LOG llevInfo, "[ABT] $msg\n";
		3843	LOG llevInfo, "[ABT] $_\n" for @bt;
		3844	--$_log_backtrace;
		3845	};
		3846	} else {
		3847	LOG llevInfo, "[ABT] $msg\n";
		3848	LOG llevInfo, "[ABT] [suppressed]\n";
		3849	}
		3850	}
		3851
		3852	# load additional modules
		3853	use cf::pod;
2701		3854
2702	END { cf::emergency_save }	3855	END { cf::emergency_save }
2703		3856
2704	1	3857	1
2705		3858

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