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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 1.419 by root, Sun Apr 13 01:34:09 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	my ($time, $pri, $name) = @_;
		433
		434	$time = $TICK * .6 if $time > $TICK * .6;
		435	my $sig = new Coro::Signal;
		436
		437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		439	$SLOT_QUEUE->ready;
		440	$sig->wait;
273	}	441	}
274		442
275	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
276		444
277	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		450
283	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
284		452
285	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
286		454
287	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
290		459
291	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
294	fast or be very important.	463	fast or be very important.
…		…
297		466
298	sub sync_job(&) {	467	sub sync_job(&) {
299	my ($job) = @_;	468	my ($job) = @_;
300		469
301	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
		471	my $time = EV::time;
		472
302	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
304		475
305	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	477
307	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
308		479
309	my $busy = 1;	480	my $busy = 1;
310	my @res;	481	my @res;
311		482
312	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	485	@res = eval { $job->() };
314	warn $@ if $@;	486	warn $@ if $@;
315	undef $busy;	487	undef $busy;
316	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
317		489
318	while ($busy) {	490	while ($busy) {
319	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
320	}	495	}
		496	}
		497
		498	my $time = EV::time - $time;
		499
		500	$TICK_START += $time; # do not account sync jobs to server load
321		501
322	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
323	} else {	503	} else {
324	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
325		505
…		…
345	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
346		526
347	$coro	527	$coro
348	}	528	}
349		529
350	sub write_runtime {	530	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		531
353	my $runtime = cf::localdir . "/runtime";	532	Executes the given code block with the given arguments in a seperate
		533	process, returning the results. Everything must be serialisable with
		534	Coro::Storable. May, of course, block. Note that the executed sub may
		535	never block itself or use any form of event handling.
354		536
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	=cut
356	or return;
357		538
358	my $value = $cf::RUNTIME + 90 + 10;	539	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	540	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		541
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	542	# we seemingly have to make a local copy of the whole thing,
363	and return;	543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
364		545
365	# always fsync - this file is important	546	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	547	reset_signals;
367	and return;	548	&$cb
		549	}, @args;
368		550
369	close $fh	551	wantarray ? @res : $res[-1]
370	or return;	552	}
371		553
372	aio_rename "$runtime~", $runtime	554	=item $coin = coin_from_name $name
373	and return;
374		555
		556	=cut
		557
		558	our %coin_alias = (
		559	"silver" => "silvercoin",
		560	"silvercoin" => "silvercoin",
		561	"silvercoins" => "silvercoin",
		562	"gold" => "goldcoin",
		563	"goldcoin" => "goldcoin",
		564	"goldcoins" => "goldcoin",
		565	"platinum" => "platinacoin",
		566	"platinumcoin" => "platinacoin",
		567	"platinumcoins" => "platinacoin",
		568	"platina" => "platinacoin",
		569	"platinacoin" => "platinacoin",
		570	"platinacoins" => "platinacoin",
		571	"royalty" => "royalty",
		572	"royalties" => "royalty",
		573	);
		574
		575	sub coin_from_name($) {
		576	$coin_alias{$_[0]}
		577	? cf::arch::find $coin_alias{$_[0]}
		578	: undef
		579	}
		580
		581	=item $value = cf::db_get $family => $key
		582
		583	Returns a single value from the environment database.
		584
		585	=item cf::db_put $family => $key => $value
		586
		587	Stores the given C<$value> in the family. It can currently store binary
		588	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		589
		590	=item $db = cf::db_table "name"
		591
		592	Create and/or open a new database table. The string must not be "db" and must be unique
		593	within each server.
		594
		595	=cut
		596
		597	sub db_table($) {
		598	my ($name) = @_;
		599	my $db = BDB::db_create $DB_ENV;
		600
		601	eval {
		602	$db->set_flags (BDB::CHKSUM);
		603
		604	utf8::encode $name;
		605	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		606	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		607	cf::cleanup "db_open(db): $!" if $!;
		608	};
		609	cf::cleanup "db_open(db): $@" if $@;
		610
		611	$db
		612	}
		613
		614	our $DB;
		615
		616	sub db_init {
		617	cf::sync_job {
		618	$DB ||= db_table "db";
		619	};
		620	}
		621
		622	sub db_get($$) {
		623	my $key = "$_[0]/$_[1]";
		624
		625	cf::sync_job {
		626	BDB::db_get $DB, undef, $key, my $data;
		627
		628	$! ? ()
		629	: $data
375	1	630	}
		631	}
		632
		633	sub db_put($$$) {
		634	BDB::dbreq_pri 4;
		635	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		636	}
		637
		638	=item cf::cache $id => [$paths...], $processversion => $process
		639
		640	Generic caching function that returns the value of the resource $id,
		641	caching and regenerating as required.
		642
		643	This function can block.
		644
		645	=cut
		646
		647	sub cache {
		648	my ($id, $src, $processversion, $process) = @_;
		649
		650	my $meta =
		651	join "\x00",
		652	$processversion,
		653	map {
		654	aio_stat $_
		655	and Carp::croak "$_: $!";
		656
		657	($_, (stat _)[7,9])
		658	} @$src;
		659
		660	my $dbmeta = db_get cache => "$id/meta";
		661	if ($dbmeta ne $meta) {
		662	# changed, we may need to process
		663
		664	my @data;
		665	my $md5;
		666
		667	for (0 .. $#$src) {
		668	0 <= aio_load $src->[$_], $data[$_]
		669	or Carp::croak "$src->[$_]: $!";
		670	}
		671
		672	# if processing is expensive, check
		673	# checksum first
		674	if (1) {
		675	$md5 =
		676	join "\x00",
		677	$processversion,
		678	map {
		679	cf::cede_to_tick;
		680	($src->[$_], Digest::MD5::md5_hex $data[$_])
		681	} 0.. $#$src;
		682
		683
		684	my $dbmd5 = db_get cache => "$id/md5";
		685	if ($dbmd5 eq $md5) {
		686	db_put cache => "$id/meta", $meta;
		687
		688	return db_get cache => "$id/data";
		689	}
		690	}
		691
		692	my $t1 = Time::HiRes::time;
		693	my $data = $process->(\@data);
		694	my $t2 = Time::HiRes::time;
		695
		696	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		697
		698	db_put cache => "$id/data", $data;
		699	db_put cache => "$id/md5" , $md5;
		700	db_put cache => "$id/meta", $meta;
		701
		702	return $data;
		703	}
		704
		705	db_get cache => "$id/data"
376	}	706	}
377		707
378	=item cf::datalog type => key => value, ...	708	=item cf::datalog type => key => value, ...
379		709
380	Log a datalog packet of the given type with the given key-value pairs.	710	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")	728	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
400		730
401	In the following description, CLASS can be any of C<global>, C<object>	731	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	732	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	733	Deliantra).
404		734
405	=over 4	735	=over 4
406		736
407	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
408		738
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	901	$registry = $CB_TYPE[$object_type] ||= [];
572		902
573	} elsif ($type eq "subtype") {	903	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	904	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	905	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	906	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		907
578	} elsif ($type eq "package") {	908	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	909	my $pkg = shift @arg;
580		910
581	while (my ($name, $id) = each %cb_id) {	911	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	940	_attach $registry, $klass, @attach;
611	}	941	}
612		942
613	$obj->{$name} = \%arg;	943	$obj->{$name} = \%arg;
614	} else {	944	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	945	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	946	}
617		947
618	$obj->{_attachment}{$name} = undef;	948	$obj->{_attachment}{$name} = undef;
619	}	949	}
620		950
…		…
622	if (ref $_[0]) {	952	if (ref $_[0]) {
623	_object_attach @_;	953	_object_attach @_;
624	} else {	954	} else {
625	_attach shift->_attach_registry, @_;	955	_attach shift->_attach_registry, @_;
626	}	956	}
		957	_recalc_want;
627	};	958	};
628		959
629	# all those should be optimised	960	# all those should be optimised
630	sub cf::attachable::detach {	961	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	962	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	965	delete $obj->{_attachment}{$name};
635	reattach ($obj);	966	reattach ($obj);
636	} else {	967	} else {
637	Carp::croak "cannot, currently, detach class attachments";	968	Carp::croak "cannot, currently, detach class attachments";
638	}	969	}
		970	_recalc_want;
639	};	971	};
640		972
641	sub cf::attachable::attached {	973	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	974	my ($obj, $name) = @_;
643		975
…		…
658	";	990	";
659	die if $@;	991	die if $@;
660	}	992	}
661		993
662	our $override;	994	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	995	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		996
665	sub override {	997	sub override {
666	$override = 1;	998	$override = 1;
667	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
668	}	1000	}
669		1001
670	sub do_invoke {	1002	sub do_invoke {
671	my $event = shift;	1003	my $event = shift;
672	my $callbacks = shift;	1004	my $callbacks = shift;
673		1005
674	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
675		1007
676	local $override;	1008	local $override;
677		1009
678	for (@$callbacks) {	1010	for (@$callbacks) {
679	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
688	}	1020	}
689		1021
690	0	1022	0
691	}	1023	}
692		1024
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1026
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1028
697	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
698		1030
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1031	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	1032	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1034
703	=back	1035	=back
704		1036
705	=cut	1037	=cut
706		1038
707	#############################################################################	1039	#############################################################################
708	# object support	1040	# object support
		1041
		1042	sub _object_equal($$);
		1043	sub _object_equal($$) {
		1044	my ($a, $b) = @_;
		1045
		1046	return 0 unless (ref $a) eq (ref $b);
		1047
		1048	if ("HASH" eq ref $a) {
		1049	my @ka = keys %$a;
		1050	my @kb = keys %$b;
		1051
		1052	return 0 if @ka != @kb;
		1053
		1054	for (0 .. $#ka) {
		1055	return 0 unless $ka[$_] eq $kb[$_];
		1056	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1057	}
		1058
		1059	} elsif ("ARRAY" eq ref $a) {
		1060
		1061	return 0 if @$a != @$b;
		1062
		1063	for (0 .. $#$a) {
		1064	return 0 unless _object_equal $a->[$_], $b->[$_];
		1065	}
		1066
		1067	} elsif ($a ne $b) {
		1068	return 0;
		1069	}
		1070
		1071	1
		1072	}
		1073
		1074	our $SLOW_MERGES;#d#
		1075	sub _can_merge {
		1076	my ($ob1, $ob2) = @_;
		1077
		1078	++$SLOW_MERGES;#d#
		1079
		1080	# we do the slow way here
		1081	return _object_equal $ob1, $ob2
		1082	}
709		1083
710	sub reattach {	1084	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1086	my ($obj) = @_;
713		1087
…		…
734	cf::attachable->attach (	1108	cf::attachable->attach (
735	prio => -1000000,	1109	prio => -1000000,
736	on_instantiate => sub {	1110	on_instantiate => sub {
737	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
738		1112
739	$data = from_json $data;	1113	$data = decode_json $data;
740		1114
741	for (@$data) {	1115	for (@$data) {
742	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
743		1117
744	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1134	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
762		1136
763	sync_job {	1137	sync_job {
764	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
767		1142
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1146	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1147	close $fh;
773		1148
774	if (@$objs) {	1149	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1150	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1155	close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
782	}	1157	}
…		…
790	}	1165	}
791	} else {	1166	} else {
792	aio_unlink $filename;	1167	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
794	}	1169	}
795	}	1170	};
796	}	1171	}
797		1172
798	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
800		1175
…		…
812	or return;	1187	or return;
813		1188
814	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
816	or return;	1191	or return;
		1192
817	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
818	}	1195	}
819		1196
		1197	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1199	$decname, length $data, scalar @{$av || []};
		1200
822	return ($data, $av);	1201	($data, $av)
823	}	1202	}
		1203
		1204	=head2 COMMAND CALLBACKS
		1205
		1206	=over 4
		1207
		1208	=cut
824		1209
825	#############################################################################	1210	#############################################################################
826	# command handling &c	1211	# command handling &c
827		1212
828	=item cf::register_command $name => \&callback($ob,$args);	1213	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1226	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1227	}
843		1228
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1229	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1230
846	Register a callbackf ro execution when the client sends an extcmd packet.	1231	Register a callback for execution when the client sends an (synchronous)
		1232	extcmd packet. Ext commands will be processed in the order they are
		1233	received by the server, like other user commands. The first argument is
		1234	the logged-in player. Ext commands can only be processed after a player
		1235	has logged in successfully.
847		1236
848	If the callback returns something, it is sent back as if reply was being	1237	If the callback returns something, it is sent back as if reply was being
849	called.	1238	called.
850		1239
		1240	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1241
		1242	Register a callback for execution when the client sends an (asynchronous)
		1243	exticmd packet. Exti commands are processed by the server as soon as they
		1244	are received, i.e. out of order w.r.t. other commands. The first argument
		1245	is a client socket. Exti commands can be received anytime, even before
		1246	log-in.
		1247
		1248	If the callback returns something, it is sent back as if reply was being
		1249	called.
		1250
851	=cut	1251	=cut
852		1252
853	sub register_extcmd {	1253	sub register_extcmd {
854	my ($name, $cb) = @_;	1254	my ($name, $cb) = @_;
855		1255
856	$EXTCMD{$name} = $cb;	1256	$EXTCMD{$name} = $cb;
		1257	}
		1258
		1259	sub register_exticmd {
		1260	my ($name, $cb) = @_;
		1261
		1262	$EXTICMD{$name} = $cb;
857	}	1263	}
858		1264
859	cf::player->attach (	1265	cf::player->attach (
860	on_command => sub {	1266	on_command => sub {
861	my ($pl, $name, $params) = @_;	1267	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1276	cf::override;
871	},	1277	},
872	on_extcmd => sub {	1278	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
874		1280
875	my $msg = eval { from_json $buf };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1282
877	if (ref $msg) {	1283	if (ref $msg) {
		1284	my ($type, $reply, @payload) =
		1285	"ARRAY" eq ref $msg
		1286	? @$msg
		1287	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1288
		1289	my @reply;
		1290
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
883	} else {	1298	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1300	}
886		1301
887	cf::override;	1302	cf::override;
888	},	1303	},
889	);	1304	);
890		1305
891	sub load_extension {
892	my ($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 {	1306	sub load_extensions {
		1307	cf::sync_job {
		1308	my %todo;
		1309
926	for my $ext (<$LIBDIR/*.ext>) {	1310	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1311	next unless -r $path;
928	eval {	1312
929	load_extension $ext;	1313	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1314	my $base = $1;
		1315	my $pkg = $1;
		1316	$pkg =~ s/[^[:word:]]/_/g;
		1317	$pkg = "ext::$pkg";
		1318
		1319	open my $fh, "<:utf8", $path
		1320	or die "$path: $!";
		1321
		1322	my $source = do { local $/; <$fh> };
		1323
		1324	my %ext = (
		1325	path => $path,
		1326	base => $base,
		1327	pkg => $pkg,
		1328	);
		1329
		1330	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1331	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1332
		1333	$ext{source} =
		1334	"package $pkg; use strict; use utf8;\n"
		1335	. "#line 1 \"$path\"\n{\n"
		1336	. $source
		1337	. "\n};\n1";
		1338
		1339	$todo{$base} = \%ext;
		1340	}
		1341
		1342	my %done;
		1343	while (%todo) {
		1344	my $progress;
		1345
		1346	while (my ($k, $v) = each %todo) {
		1347	for (split /,\s*/, $v->{meta}{depends}) {
		1348	goto skip
		1349	unless exists $done{$_};
		1350	}
		1351
		1352	warn "... loading '$k' into '$v->{pkg}'\n";
		1353
		1354	unless (eval $v->{source}) {
		1355	my $msg = $@ ? "$v->{path}: $@\n"
		1356	: "$v->{base}: extension inactive.\n";
		1357
		1358	if (exists $v->{meta}{mandatory}) {
		1359	warn $msg;
		1360	cf::cleanup "mandatory extension failed to load, exiting.";
		1361	}
		1362
		1363	warn $msg;
		1364	}
		1365
		1366	$done{$k} = delete $todo{$k};
		1367	push @EXTS, $v->{pkg};
		1368	$progress = 1;
930	1	1369	}
931	} or warn "$ext not loaded: $@";	1370
		1371	skip:
		1372	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1373	unless $progress;
		1374	}
932	}	1375	};
933	}	1376	}
934		1377
935	#############################################################################	1378	#############################################################################
936		1379
		1380	=back
		1381
937	=head2 CORE EXTENSIONS	1382	=head2 CORE EXTENSIONS
938		1383
939	Functions and methods that extend core crossfire objects.	1384	Functions and methods that extend core crossfire objects.
940		1385
941	=cut	1386	=cut
…		…
946		1391
947	=head3 cf::player	1392	=head3 cf::player
948		1393
949	=over 4	1394	=over 4
950		1395
		1396	=item cf::player::num_playing
		1397
		1398	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1399
		1400	=cut
		1401
		1402	sub num_playing {
		1403	scalar grep
		1404	$_->ob->map
		1405	&& !$_->hidden
		1406	&& !$_->ob->flag (cf::FLAG_WIZ),
		1407	cf::player::list
		1408	}
		1409
951	=item cf::player::find $login	1410	=item cf::player::find $login
952		1411
953	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
954		1413
955	=cut	1414	=cut
956		1415
957	sub playerdir($) {	1416	sub playerdir($) {
958	cf::localdir	1417	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1418	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1419	}
964		1420
965	sub path($) {	1421	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1422	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1423
968	(playerdir $login) . "/$login.pl"	1424	(playerdir $login) . "/playerdata"
969	}	1425	}
970		1426
971	sub find_active($) {	1427	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1428	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1429	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1442	my $login = $_[0];
987		1443
988	my $guard = cf::lock_acquire "user_find:$login";	1444	my $guard = cf::lock_acquire "user_find:$login";
989		1445
990	$cf::PLAYER{$_[0]} || do {	1446	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1447	# rename old playerfiles to new ones
		1448	#TODO: remove when no longer required
		1449	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1450	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1451	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1452	aio_unlink +(playerdir $login) . "/$login.pl";
		1453
		1454	my $f = new_from_file cf::object::thawer path $login
992	or return;	1455	or return;
		1456
		1457	my $pl = cf::player::load_pl $f
		1458	or return;
		1459	local $cf::PLAYER_LOADING{$login} = $pl;
		1460	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
994	}	1462	}
995	}	1463	}
996	}	1464	}
997		1465
…		…
1007		1475
1008	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
1010		1478
1011	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
1012	Coro::cede;	1480	cf::cede_to_tick;
1013	}	1481	}
1014		1482
1015	sub new($) {	1483	sub new($) {
1016	my ($login) = @_;	1484	my ($login) = @_;
1017		1485
…		…
1021	$self->{deny_save} = 1;	1489	$self->{deny_save} = 1;
1022		1490
1023	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1024		1492
1025	$self	1493	$self
		1494	}
		1495
		1496	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1497
		1498	=cut
		1499
		1500	sub send_msg {
		1501	my $ns = shift->ns
		1502	or return;
		1503	$ns->send_msg (@_);
1026	}	1504	}
1027		1505
1028	=item $pl->quit_character	1506	=item $pl->quit_character
1029		1507
1030	Nukes the player without looking back. If logged in, the connection will	1508	Nukes the player without looking back. If logged in, the connection will
…		…
1079	while and may block, so not sync_job-capable, ever.	1557	while and may block, so not sync_job-capable, ever.
1080		1558
1081	=cut	1559	=cut
1082		1560
1083	sub list_logins {	1561	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1562	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1563	or return [];
1086		1564
1087	my @logins;	1565	my @logins;
1088		1566
1089	for my $login (@$dirs) {	1567	for my $login (@$dirs) {
		1568	my $path = path $login;
		1569
		1570	# a .pst is a dead give-away for a valid player
		1571	unless (-e "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1093		1576
1094	utf8::decode $login;	1577	utf8::decode $login;
1095	push @logins, $login;	1578	push @logins, $login;
1096	}	1579	}
1097		1580
…		…
1124	}	1607	}
1125		1608
1126	\@paths	1609	\@paths
1127	}	1610	}
1128		1611
		1612	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1613
		1614	Expand crossfire pod fragments into protocol xml.
		1615
		1616	=cut
		1617
		1618	use re 'eval';
		1619
		1620	my $group;
		1621	my $interior; $interior = qr{
		1622	# match a pod interior sequence sans C<< >>
		1623	(?:
		1624	\ (.*?)\ (?{ $group = $^N })
		1625	| < (??{$interior}) >
		1626	)
		1627	}x;
		1628
		1629	sub expand_cfpod {
		1630	my ($self, $pod) = @_;
		1631
		1632	my $xml;
		1633
		1634	while () {
		1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1636	$group = $1;
		1637
		1638	$group =~ s/&/&amp;/g;
		1639	$group =~ s/</&lt;/g;
		1640
		1641	$xml .= $group;
		1642	} elsif ($pod =~ m%\G
		1643	([BCGHITU])
		1644	<
		1645	(?:
		1646	([^<>]*) (?{ $group = $^N })
		1647	| < $interior >
		1648	)
		1649	>
		1650	%gcsx
		1651	) {
		1652	my ($code, $data) = ($1, $group);
		1653
		1654	if ($code eq "B") {
		1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1656	} elsif ($code eq "I") {
		1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1658	} elsif ($code eq "U") {
		1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1660	} elsif ($code eq "C") {
		1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1662	} elsif ($code eq "T") {
		1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1664	} elsif ($code eq "G") {
		1665	my ($male, $female) = split /\|/, $data;
		1666	$data = $self->gender ? $female : $male;
		1667	$xml .= expand_cfpod ($self, $data);
		1668	} elsif ($code eq "H") {
		1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1671	"")
		1672	[$self->{hintmode}];
		1673	} else {
		1674	$xml .= "error processing '$code($data)' directive";
		1675	}
		1676	} else {
		1677	if ($pod =~ /\G(.+)/) {
		1678	warn "parse error while expanding $pod (at $1)";
		1679	}
		1680	last;
		1681	}
		1682	}
		1683
		1684	for ($xml) {
		1685	# create single paragraphs (very hackish)
		1686	s/(?<=\S)\n(?=\w)/ /g;
		1687
		1688	# compress some whitespace
		1689	s/\s+\n/\n/g; # ws line-ends
		1690	s/\n\n+/\n/g; # double lines
		1691	s/^\n+//; # beginning lines
		1692	s/\n+$//; # ending lines
		1693	}
		1694
		1695	$xml
		1696	}
		1697
		1698	no re 'eval';
		1699
		1700	sub hintmode {
		1701	$_[0]{hintmode} = $_[1] if @_ > 1;
		1702	$_[0]{hintmode}
		1703	}
		1704
1129	=item $player->ext_reply ($msgid, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1130		1706
1131	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1132		1708
1133	=cut	1709	=cut
1134		1710
1135	sub ext_reply($$%) {	1711	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1137		1713
1138	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1715	}
1142		1716
1143	=item $player->ext_event ($type, %msg)	1717	=item $player->ext_msg ($type, @msg)
1144		1718
1145	Sends an ext event to the client.	1719	Sends an ext event to the client.
1146		1720
1147	=cut	1721	=cut
1148		1722
1149	sub ext_event($$%) {	1723	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1724	my ($self, $type, @msg) = @_;
1151		1725
1152	$self->ns->ext_event ($type, %msg);	1726	$self->ns->ext_msg ($type, @msg);
1153	}	1727	}
1154		1728
1155	package cf;	1729	=head3 cf::region
		1730
		1731	=over 4
		1732
		1733	=cut
		1734
		1735	package cf::region;
		1736
		1737	=item cf::region::find_by_path $path
		1738
		1739	Tries to decuce the likely region for a map knowing only its path.
		1740
		1741	=cut
		1742
		1743	sub find_by_path($) {
		1744	my ($path) = @_;
		1745
		1746	my ($match, $specificity);
		1747
		1748	for my $region (list) {
		1749	if ($region->{match} && $path =~ $region->{match}) {
		1750	($match, $specificity) = ($region, $region->specificity)
		1751	if $region->specificity > $specificity;
		1752	}
		1753	}
		1754
		1755	$match
		1756	}
1156		1757
1157	=back	1758	=back
1158
1159		1759
1160	=head3 cf::map	1760	=head3 cf::map
1161		1761
1162	=over 4	1762	=over 4
1163		1763
…		…
1175	our $MAX_RESET = 3600;	1775	our $MAX_RESET = 3600;
1176	our $DEFAULT_RESET = 3000;	1776	our $DEFAULT_RESET = 3000;
1177		1777
1178	sub generate_random_map {	1778	sub generate_random_map {
1179	my ($self, $rmp) = @_;	1779	my ($self, $rmp) = @_;
		1780
		1781	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1782
1180	# mit "rum" bekleckern, nicht	1783	# mit "rum" bekleckern, nicht
1181	$self->_create_random_map (	1784	$self->_create_random_map (
1182	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1183	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1184	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1218	my ($self, $merge) = @_;	1821	my ($self, $merge) = @_;
1219		1822
1220	# we have to keep some variables in memory intact	1823	# we have to keep some variables in memory intact
1221	local $self->{path};	1824	local $self->{path};
1222	local $self->{load_path};	1825	local $self->{load_path};
1223	local $self->{deny_save};
1224	local $self->{deny_reset};
1225		1826
1226	$self->SUPER::thawer_merge ($merge);	1827	$self->SUPER::thawer_merge ($merge);
1227	}	1828	}
1228		1829
1229	sub normalise {	1830	sub normalise {
…		…
1276	$self->init; # pass $1 etc.	1877	$self->init; # pass $1 etc.
1277	return $self;	1878	return $self;
1278	}	1879	}
1279	}	1880	}
1280		1881
1281	Carp::carp "unable to resolve path '$path' (base '$base').";	1882	Carp::cluck "unable to resolve path '$path' (base '$base').";
1282	()	1883	()
1283	}	1884	}
1284		1885
1285	sub init {	1886	sub init {
1286	my ($self) = @_;	1887	my ($self) = @_;
…		…
1301		1902
1302	# the original (read-only) location	1903	# the original (read-only) location
1303	sub load_path {	1904	sub load_path {
1304	my ($self) = @_;	1905	my ($self) = @_;
1305		1906
1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1907	"$MAPDIR/$self->{path}.map"
1307	}	1908	}
1308		1909
1309	# the temporary/swap location	1910	# the temporary/swap location
1310	sub save_path {	1911	sub save_path {
1311	my ($self) = @_;	1912	my ($self) = @_;
1312		1913
1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1914	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1915	"$TMPDIR/$path.map"
1315	}	1916	}
1316		1917
1317	# the unique path, undef == no special unique path	1918	# the unique path, undef == no special unique path
1318	sub uniq_path {	1919	sub uniq_path {
1319	my ($self) = @_;	1920	my ($self) = @_;
1320		1921
1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1923	"$UNIQUEDIR/$path"
1323	}	1924	}
1324		1925
1325	# and all this just because we cannot iterate over	1926	# and all this just because we cannot iterate over
1326	# all maps in C++...	1927	# all maps in C++...
1327	sub change_all_map_light {	1928	sub change_all_map_light {
…		…
1329		1930
1330	$_->change_map_light ($change)	1931	$_->change_map_light ($change)
1331	for grep $_->outdoor, values %cf::MAP;	1932	for grep $_->outdoor, values %cf::MAP;
1332	}	1933	}
1333		1934
		1935	sub decay_objects {
		1936	my ($self) = @_;
		1937
		1938	return if $self->{deny_reset};
		1939
		1940	$self->do_decay_objects;
		1941	}
		1942
1334	sub unlink_save {	1943	sub unlink_save {
1335	my ($self) = @_;	1944	my ($self) = @_;
1336		1945
1337	utf8::encode (my $save = $self->save_path);	1946	utf8::encode (my $save = $self->save_path);
1338	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1947	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1341		1950
1342	sub load_header_from($) {	1951	sub load_header_from($) {
1343	my ($self, $path) = @_;	1952	my ($self, $path) = @_;
1344		1953
1345	utf8::encode $path;	1954	utf8::encode $path;
1346	#aio_open $path, O_RDONLY, 0	1955	my $f = new_from_file cf::object::thawer $path
1347	# or return;
1348
1349	$self->_load_header ($path)
1350	or return;	1956	or return;
		1957
		1958	$self->_load_header ($f)
		1959	or return;
		1960
		1961	local $MAP_LOADING{$self->{path}} = $self;
		1962	$f->resolve_delayed_derefs;
1351		1963
1352	$self->{load_path} = $path;	1964	$self->{load_path} = $path;
1353		1965
1354	1	1966	1
1355	}	1967	}
…		…
1394	$self->load_header_orig	2006	$self->load_header_orig
1395	or return;	2007	or return;
1396	$self->prepare_orig;	2008	$self->prepare_orig;
1397	}	2009	}
1398		2010
		2011	$self->{deny_reset} = 1
		2012	if $self->no_reset;
		2013
		2014	$self->default_region (cf::region::find_by_path $self->{path})
		2015	unless $self->default_region;
		2016
1399	1	2017	1
1400	}	2018	}
1401		2019
1402	sub find;	2020	sub find;
1403	sub find {	2021	sub find {
1404	my ($path, $origin) = @_;	2022	my ($path, $origin) = @_;
1405		2023
1406	$path = normalise $path, $origin && $origin->path;	2024	$path = normalise $path, $origin && $origin->path;
1407		2025
		2026	cf::lock_wait "map_data:$path";#d#remove
1408	cf::lock_wait "map_find:$path";	2027	cf::lock_wait "map_find:$path";
1409		2028
1410	$cf::MAP{$path} || do {	2029	$cf::MAP{$path} || do {
1411	my $guard = cf::lock_acquire "map_find:$path";	2030	my $guard1 = cf::lock_acquire "map_find:$path";
		2031	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2032
1412	my $map = new_from_path cf::map $path	2033	my $map = new_from_path cf::map $path
1413	or return;	2034	or return;
1414		2035
1415	$map->{last_save} = $cf::RUNTIME;	2036	$map->{last_save} = $cf::RUNTIME;
1416		2037
1417	$map->load_header	2038	$map->load_header
1418	or return;	2039	or return;
1419		2040
1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1421	# doing this can freeze the server in a sync job, obviously	2042	# doing this can freeze the server in a sync job, obviously
1422	#$cf::WAIT_FOR_TICK->wait;	2043	#$cf::WAIT_FOR_TICK->wait;
		2044	undef $guard1;
		2045	undef $guard2;
1423	$map->reset;	2046	$map->reset;
1424	undef $guard;
1425	return find $path;	2047	return find $path;
1426	}	2048	}
1427		2049
1428	$cf::MAP{$path} = $map	2050	$cf::MAP{$path} = $map
1429	}	2051	}
…		…
1436	my ($self) = @_;	2058	my ($self) = @_;
1437		2059
1438	local $self->{deny_reset} = 1; # loading can take a long time	2060	local $self->{deny_reset} = 1; # loading can take a long time
1439		2061
1440	my $path = $self->{path};	2062	my $path = $self->{path};
		2063
		2064	{
1441	my $guard = cf::lock_acquire "map_load:$path";	2065	my $guard = cf::lock_acquire "map_data:$path";
1442		2066
		2067	return unless $self->valid;
1443	return if $self->in_memory != cf::MAP_SWAPPED;	2068	return unless $self->in_memory == cf::MAP_SWAPPED;
1444		2069
1445	$self->in_memory (cf::MAP_LOADING);	2070	$self->in_memory (cf::MAP_LOADING);
1446		2071
1447	$self->alloc;	2072	$self->alloc;
1448		2073
1449	$self->pre_load;	2074	$self->pre_load;
		2075	cf::cede_to_tick;
1450		2076
1451	$self->_load_objects ($self->{load_path}, 1)	2077	my $f = new_from_file cf::object::thawer $self->{load_path};
		2078	$f->skip_block;
		2079	$self->_load_objects ($f)
1452	or return;	2080	or return;
1453		2081
1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1455	if delete $self->{load_original};	2083	if delete $self->{load_original};
1456		2084
1457	if (my $uniq = $self->uniq_path) {	2085	if (my $uniq = $self->uniq_path) {
1458	utf8::encode $uniq;	2086	utf8::encode $uniq;
1459	if (aio_open $uniq, O_RDONLY, 0) {	2087	unless (aio_stat $uniq) {
		2088	if (my $f = new_from_file cf::object::thawer $uniq) {
1460	$self->clear_unique_items;	2089	$self->clear_unique_items;
1461	$self->_load_objects ($uniq, 0);	2090	$self->_load_objects ($f);
		2091	$f->resolve_delayed_derefs;
		2092	}
1462	}	2093	}
1463	}	2094	}
1464		2095
1465	Coro::cede;	2096	$f->resolve_delayed_derefs;
1466		2097
		2098	cf::cede_to_tick;
1467	# now do the right thing for maps	2099	# now do the right thing for maps
1468	$self->link_multipart_objects;	2100	$self->link_multipart_objects;
1469
1470	unless ($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)	2101	$self->difficulty ($self->estimate_difficulty)
1477	unless $self->difficulty;	2102	unless $self->difficulty;
1478	Coro::cede;	2103	cf::cede_to_tick;
		2104
		2105	unless ($self->{deny_activate}) {
		2106	$self->decay_objects;
		2107	$self->fix_auto_apply;
		2108	$self->update_buttons;
		2109	cf::cede_to_tick;
		2110	$self->set_darkness_map;
		2111	cf::cede_to_tick;
1479	$self->activate;	2112	$self->activate;
		2113	}
		2114
		2115	$self->{last_save} = $cf::RUNTIME;
		2116	$self->last_access ($cf::RUNTIME);
		2117
		2118	$self->in_memory (cf::MAP_IN_MEMORY);
1480	}	2119	}
1481		2120
1482	$self->post_load;	2121	$self->post_load;
1483
1484	$self->in_memory (cf::MAP_IN_MEMORY);
1485	}	2122	}
1486		2123
1487	sub customise_for {	2124	sub customise_for {
1488	my ($self, $ob) = @_;	2125	my ($self, $ob) = @_;
1489		2126
1490	return find "~" . $ob->name . "/" . $self->{path}	2127	return find "~" . $ob->name . "/" . $self->{path}
1491	if $self->per_player;	2128	if $self->per_player;
1492		2129
		2130	# return find "?party/" . $ob->name . "/" . $self->{path}
		2131	# if $self->per_party;
		2132
1493	$self	2133	$self
1494	}	2134	}
1495		2135
1496	# find and load all maps in the 3x3 area around a map	2136	# find and load all maps in the 3x3 area around a map
1497	sub load_diag {	2137	sub load_neighbours {
1498	my ($map) = @_;	2138	my ($map) = @_;
1499		2139
1500	my @diag; # diagonal neighbours	2140	my @neigh; # diagonal neighbours
1501		2141
1502	for (0 .. 3) {	2142	for (0 .. 3) {
1503	my $neigh = $map->tile_path ($_)	2143	my $neigh = $map->tile_path ($_)
1504	or next;	2144	or next;
1505	$neigh = find $neigh, $map	2145	$neigh = find $neigh, $map
1506	or next;	2146	or next;
1507	$neigh->load;	2147	$neigh->load;
1508		2148
		2149	push @neigh,
1509	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2150	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1510	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2151	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1511	}	2152	}
1512		2153
1513	for (@diag) {	2154	for (grep defined $_->[0], @neigh) {
		2155	my ($path, $origin) = @$_;
1514	my $neigh = find @$_	2156	my $neigh = find $path, $origin
1515	or next;	2157	or next;
1516	$neigh->load;	2158	$neigh->load;
1517	}	2159	}
1518	}	2160	}
1519		2161
…		…
1524	}	2166	}
1525		2167
1526	sub do_load_sync {	2168	sub do_load_sync {
1527	my ($map) = @_;	2169	my ($map) = @_;
1528		2170
		2171	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2172	if $Coro::current == $Coro::main;
		2173
1529	cf::sync_job { $map->load };	2174	cf::sync_job { $map->load };
1530	}	2175	}
1531		2176
1532	our %MAP_PREFETCH;	2177	our %MAP_PREFETCH;
1533	our $MAP_PREFETCHER = undef;	2178	our $MAP_PREFETCHER = undef;
1534		2179
1535	sub find_async {	2180	sub find_async {
1536	my ($path, $origin) = @_;	2181	my ($path, $origin, $load) = @_;
1537		2182
1538	$path = normalise $path, $origin && $origin->{path};	2183	$path = normalise $path, $origin && $origin->{path};
1539		2184
1540	if (my $map = $cf::MAP{$path}) {	2185	if (my $map = $cf::MAP{$path}) {
1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2186	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1542	}	2187	}
1543		2188
1544	undef $MAP_PREFETCH{$path};	2189	$MAP_PREFETCH{$path} |= $load;
		2190
1545	$MAP_PREFETCHER ||= cf::async {	2191	$MAP_PREFETCHER ||= cf::async {
		2192	$Coro::current->{desc} = "map prefetcher";
		2193
1546	while (%MAP_PREFETCH) {	2194	while (%MAP_PREFETCH) {
1547	for my $path (keys %MAP_PREFETCH) {	2195	while (my ($k, $v) = each %MAP_PREFETCH) {
1548	my $map = find $path	2196	if (my $map = find $k) {
1549	or next;
1550	$map->load;	2197	$map->load if $v;
		2198	}
1551		2199
1552	delete $MAP_PREFETCH{$path};	2200	delete $MAP_PREFETCH{$k};
1553	}	2201	}
1554	}	2202	}
1555	undef $MAP_PREFETCHER;	2203	undef $MAP_PREFETCHER;
1556	};	2204	};
1557	$MAP_PREFETCHER->prio (6);	2205	$MAP_PREFETCHER->prio (6);
…		…
1560	}	2208	}
1561		2209
1562	sub save {	2210	sub save {
1563	my ($self) = @_;	2211	my ($self) = @_;
1564		2212
1565	my $lock = cf::lock_acquire "map_data:" . $self->path;	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1566		2214
1567	$self->{last_save} = $cf::RUNTIME;	2215	$self->{last_save} = $cf::RUNTIME;
1568		2216
1569	return unless $self->dirty;	2217	return unless $self->dirty;
1570		2218
…		…
1576	return if $self->{deny_save};	2224	return if $self->{deny_save};
1577		2225
1578	local $self->{last_access} = $self->last_access;#d#	2226	local $self->{last_access} = $self->last_access;#d#
1579		2227
1580	cf::async {	2228	cf::async {
		2229	$Coro::current->{desc} = "map player save";
1581	$_->contr->save for $self->players;	2230	$_->contr->save for $self->players;
1582	};	2231	};
1583		2232
1584	if ($uniq) {	2233	if ($uniq) {
1585	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1593	my ($self) = @_;	2242	my ($self) = @_;
1594		2243
1595	# save first because save cedes	2244	# save first because save cedes
1596	$self->save;	2245	$self->save;
1597		2246
1598	my $lock = cf::lock_acquire "map_data:" . $self->path;	2247	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2248
1600	return if $self->players;	2249	return if $self->players;
1601	return if $self->in_memory != cf::MAP_IN_MEMORY;	2250	return if $self->in_memory != cf::MAP_IN_MEMORY;
1602	return if $self->{deny_save};	2251	return if $self->{deny_save};
1603		2252
		2253	$self->in_memory (cf::MAP_SWAPPED);
		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2257	$self->clear;
1605	$self->in_memory (cf::MAP_SWAPPED);
1606	}	2258	}
1607		2259
1608	sub reset_at {	2260	sub reset_at {
1609	my ($self) = @_;	2261	my ($self) = @_;
1610		2262
1611	# TODO: safety, remove and allow resettable per-player maps	2263	# 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};	2264	return 1e99 if $self->{deny_reset};
1614		2265
1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2266	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2267	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1617		2268
…		…
1628	my ($self) = @_;	2279	my ($self) = @_;
1629		2280
1630	my $lock = cf::lock_acquire "map_data:$self->{path}";	2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
1631		2282
1632	return if $self->players;	2283	return if $self->players;
1633	return if $self->isa ("ext::map_per_player");#d#
1634		2284
1635	warn "resetting map ", $self->path;#d#	2285	warn "resetting map ", $self->path;
1636		2286
1637	$self->in_memory (cf::MAP_SWAPPED);	2287	$self->in_memory (cf::MAP_SWAPPED);
1638		2288
1639	# need to save uniques path	2289	# need to save uniques path
1640	unless ($self->{deny_save}) {	2290	unless ($self->{deny_save}) {
…		…
1644	if $uniq;	2294	if $uniq;
1645	}	2295	}
1646		2296
1647	delete $cf::MAP{$self->path};	2297	delete $cf::MAP{$self->path};
1648		2298
		2299	$self->deactivate;
		2300	$_->clear_links_to ($self) for values %cf::MAP;
1649	$self->clear;	2301	$self->clear;
1650
1651	$_->clear_links_to ($self) for values %cf::MAP;
1652		2302
1653	$self->unlink_save;	2303	$self->unlink_save;
1654	$self->destroy;	2304	$self->destroy;
1655	}	2305	}
1656		2306
1657	my $nuke_counter = "aaaa";	2307	my $nuke_counter = "aaaa";
1658		2308
1659	sub nuke {	2309	sub nuke {
1660	my ($self) = @_;	2310	my ($self) = @_;
1661		2311
		2312	{
		2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2314
1662	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
1663		2316
1664	$self->unlink_save;	2317	$self->unlink_save;
1665		2318
1666	bless $self, "cf::map";	2319	bless $self, "cf::map";
1667	delete $self->{deny_reset};	2320	delete $self->{deny_reset};
1668	$self->{deny_save} = 1;	2321	$self->{deny_save} = 1;
1669	$self->reset_timeout (1);	2322	$self->reset_timeout (1);
1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2323	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1671		2324
1672	$cf::MAP{$self->path} = $self;	2325	$cf::MAP{$self->path} = $self;
		2326	}
1673		2327
1674	$self->reset; # polite request, might not happen	2328	$self->reset; # polite request, might not happen
		2329	}
		2330
		2331	=item $maps = cf::map::tmp_maps
		2332
		2333	Returns an arrayref with all map paths of currently instantiated and saved
		2334	maps. May block.
		2335
		2336	=cut
		2337
		2338	sub tmp_maps() {
		2339	[
		2340	map {
		2341	utf8::decode $_;
		2342	/\.map$/
		2343	? normalise $_
		2344	: ()
		2345	} @{ aio_readdir $TMPDIR or [] }
		2346	]
		2347	}
		2348
		2349	=item $maps = cf::map::random_maps
		2350
		2351	Returns an arrayref with all map paths of currently instantiated and saved
		2352	random maps. May block.
		2353
		2354	=cut
		2355
		2356	sub random_maps() {
		2357	[
		2358	map {
		2359	utf8::decode $_;
		2360	/\.map$/
		2361	? normalise "?random/$_"
		2362	: ()
		2363	} @{ aio_readdir $RANDOMDIR or [] }
		2364	]
1675	}	2365	}
1676		2366
1677	=item cf::map::unique_maps	2367	=item cf::map::unique_maps
1678		2368
1679	Returns an arrayref of paths of all shared maps that have	2369	Returns an arrayref of paths of all shared maps that have
1680	instantiated unique items. May block.	2370	instantiated unique items. May block.
1681		2371
1682	=cut	2372	=cut
1683		2373
1684	sub unique_maps() {	2374	sub unique_maps() {
1685	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2375	[
1686	or return;	2376	map {
1687
1688	my @paths;
1689
1690	for (@$files) {
1691	utf8::decode $_;	2377	utf8::decode $_;
1692	next if /\.pst$/;	2378	s/\.map$//; # TODO future compatibility hack
1693	next unless /^$PATH_SEP/o;	2379	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1694		2380	? ()
1695	push @paths, cf::map::normalise $_;	2381	: normalise $_
		2382	} @{ aio_readdir $UNIQUEDIR or [] }
1696	}	2383	]
1697
1698	\@paths
1699	}	2384	}
1700
1701	package cf;
1702		2385
1703	=back	2386	=back
1704		2387
1705	=head3 cf::object	2388	=head3 cf::object
1706		2389
…		…
1710		2393
1711	=over 4	2394	=over 4
1712		2395
1713	=item $ob->inv_recursive	2396	=item $ob->inv_recursive
1714		2397
1715	Returns the inventory of the object _and_ their inventories, recursively.	2398	Returns the inventory of the object I<and> their inventories, recursively,
		2399	but I<not> the object itself.
1716		2400
1717	=cut	2401	=cut
1718		2402
1719	sub inv_recursive_;	2403	sub inv_recursive_;
1720	sub inv_recursive_ {	2404	sub inv_recursive_ {
1721	map { $_, inv_recursive_ $_->inv } @_	2405	map { $_, inv_recursive_ $_->inv } @_
1722	}	2406	}
1723		2407
1724	sub inv_recursive {	2408	sub inv_recursive {
1725	inv_recursive_ inv $_[0]	2409	inv_recursive_ inv $_[0]
		2410	}
		2411
		2412	=item $ref = $ob->ref
		2413
		2414	Creates and returns a persistent reference to an object that can be stored as a string.
		2415
		2416	=item $ob = cf::object::deref ($refstring)
		2417
		2418	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2419	even if the object actually exists. May block.
		2420
		2421	=cut
		2422
		2423	sub deref {
		2424	my ($ref) = @_;
		2425
		2426	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2427	my ($uuid, $name) = ($1, $2);
		2428	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2429	or return;
		2430	$pl->ob->uuid eq $uuid
		2431	or return;
		2432
		2433	$pl->ob
		2434	} else {
		2435	warn "$ref: cannot resolve object reference\n";
		2436	undef
		2437	}
1726	}	2438	}
1727		2439
1728	package cf;	2440	package cf;
1729		2441
1730	=back	2442	=back
…		…
1749		2461
1750	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2462	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1751		2463
1752	if ($self->{record_replies}) {	2464	if ($self->{record_replies}) {
1753	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2465	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2466
1754	} else {	2467	} else {
		2468	my $pl = $self->contr;
		2469
		2470	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2471	my $dialog = $pl->{npc_dialog};
		2472	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2473
		2474	} else {
1755	$msg = $npc->name . " says: $msg" if $npc;	2475	$msg = $npc->name . " says: $msg" if $npc;
1756	$self->message ($msg, $flags);	2476	$self->message ($msg, $flags);
		2477	}
1757	}	2478	}
		2479	}
		2480
		2481	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2482
		2483	=cut
		2484
		2485	sub cf::object::send_msg {
		2486	my $pl = shift->contr
		2487	or return;
		2488	$pl->send_msg (@_);
1758	}	2489	}
1759		2490
1760	=item $player_object->may ("access")	2491	=item $player_object->may ("access")
1761		2492
1762	Returns wether the given player is authorized to access resource "access"	2493	Returns wether the given player is authorized to access resource "access"
…		…
1809	$self->deactivate_recursive;	2540	$self->deactivate_recursive;
1810		2541
1811	return if UNIVERSAL::isa $self->map, "ext::map_link";	2542	return if UNIVERSAL::isa $self->map, "ext::map_link";
1812		2543
1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2544	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1814	if $self->map;	2545	if $self->map && $self->map->{path} ne "{link}";
1815		2546
1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2547	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1817	}	2548	}
1818		2549
1819	sub cf::object::player::leave_link {	2550	sub cf::object::player::leave_link {
1820	my ($self, $map, $x, $y) = @_;	2551	my ($self, $map, $x, $y) = @_;
		2552
		2553	return unless $self->contr->active;
1821		2554
1822	my $link_pos = delete $self->{_link_pos};	2555	my $link_pos = delete $self->{_link_pos};
1823		2556
1824	unless ($map) {	2557	unless ($map) {
1825	# restore original map position	2558	# restore original map position
…		…
1839	# use -1 or undef as default coordinates, not 0, 0	2572	# use -1 or undef as default coordinates, not 0, 0
1840	($x, $y) = ($map->enter_x, $map->enter_y)	2573	($x, $y) = ($map->enter_x, $map->enter_y)
1841	if $x <=0 && $y <= 0;	2574	if $x <=0 && $y <= 0;
1842		2575
1843	$map->load;	2576	$map->load;
1844	$map->load_diag;	2577	$map->load_neighbours;
1845		2578
1846	return unless $self->contr->active;	2579	return unless $self->contr->active;
1847	$self->activate_recursive;	2580	$self->activate_recursive;
1848		2581
1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2582	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1850	$self->enter_map ($map, $x, $y);	2583	$self->enter_map ($map, $x, $y);
1851	}	2584	}
1852		2585
1853	cf::player->attach (	2586	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1854	on_logout => sub {
1855	my ($pl) = @_;
1856		2587
1857	# abort map switching before logout	2588	Moves the player to the given map-path and coordinates by first freezing
1858	if ($pl->ob->{_link_pos}) {	2589	her, loading and preparing them map, calling the provided $check callback
1859	cf::sync_job {	2590	that has to return the map if sucecssful, and then unfreezes the player on
1860	$pl->ob->leave_link	2591	the new (success) or old (failed) map position. In either case, $done will
1861	};	2592	be called at the end of this process.
1862	}
1863	},
1864	on_login => sub {
1865	my ($pl) = @_;
1866		2593
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	2594	=cut
		2595
		2596	our $GOTOGEN;
1888		2597
1889	sub cf::object::player::goto {	2598	sub cf::object::player::goto {
1890	my ($self, $path, $x, $y) = @_;	2599	my ($self, $path, $x, $y, $check, $done) = @_;
		2600
		2601	# do generation counting so two concurrent goto's will be executed in-order
		2602	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1891		2603
1892	$self->enter_link;	2604	$self->enter_link;
1893		2605
1894	(async {	2606	(async {
		2607	$Coro::current->{desc} = "player::goto $path $x $y";
		2608
		2609	# *tag paths override both path and x|y
		2610	if ($path =~ /^\*(.*)$/) {
		2611	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2612	my $ob = $obs[rand @obs];
		2613
		2614	# see if we actually can go there
		2615	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2616	$ob = $obs[rand @obs];
		2617	} else {
		2618	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2619	}
		2620	# else put us there anyways for now #d#
		2621
		2622	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2623	} else {
		2624	($path, $x, $y) = (undef, undef, undef);
		2625	}
		2626	}
		2627
1895	my $map = eval {	2628	my $map = eval {
1896	my $map = cf::map::find $path;	2629	my $map = defined $path ? cf::map::find $path : undef;
		2630
		2631	if ($map) {
1897	$map = $map->customise_for ($self) if $map;	2632	$map = $map->customise_for ($self);
		2633	$map = $check->($map) if $check && $map;
		2634	} else {
		2635	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2636	}
		2637
1898	$map	2638	$map
		2639	};
		2640
		2641	if ($@) {
		2642	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2643	LOG llevError | logBacktrace, Carp::longmess $@;
1899	} or	2644	}
1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1901		2645
		2646	if ($gen == $self->{_goto_generation}) {
		2647	delete $self->{_goto_generation};
1902	$self->leave_link ($map, $x, $y);	2648	$self->leave_link ($map, $x, $y);
		2649	}
		2650
		2651	$done->() if $done;
1903	})->prio (1);	2652	})->prio (1);
1904	}	2653	}
1905		2654
1906	=item $player_object->enter_exit ($exit_object)	2655	=item $player_object->enter_exit ($exit_object)
1907		2656
…		…
1944	$rmp->{origin_y} = $exit->y;	2693	$rmp->{origin_y} = $exit->y;
1945	}	2694	}
1946		2695
1947	$rmp->{random_seed} ||= $exit->random_seed;	2696	$rmp->{random_seed} ||= $exit->random_seed;
1948		2697
1949	my $data = cf::to_json $rmp;	2698	my $data = cf::encode_json $rmp;
1950	my $md5 = Digest::MD5::md5_hex $data;	2699	my $md5 = Digest::MD5::md5_hex $data;
1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2700	my $meta = "$RANDOMDIR/$md5.meta";
1952		2701
1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2702	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1954	aio_write $fh, 0, (length $data), $data, 0;	2703	aio_write $fh, 0, (length $data), $data, 0;
1955	undef $fh;	2704	undef $fh;
1956	aio_rename "$meta~", $meta;	2705	aio_rename "$meta~", $meta;
…		…
1965		2714
1966	return unless $self->type == cf::PLAYER;	2715	return unless $self->type == cf::PLAYER;
1967		2716
1968	if ($exit->slaying eq "/!") {	2717	if ($exit->slaying eq "/!") {
1969	#TODO: this should de-fi-ni-te-ly not be a sync-job	2718	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2719	# the problem is that $exit might not survive long enough
		2720	# so it needs to be done right now, right here
1970	cf::sync_job { prepare_random_map $exit };	2721	cf::sync_job { prepare_random_map $exit };
1971	}	2722	}
1972		2723
1973	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2724	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1974	my $hp = $exit->stats->hp;	2725	my $hp = $exit->stats->hp;
1975	my $sp = $exit->stats->sp;	2726	my $sp = $exit->stats->sp;
1976		2727
1977	$self->enter_link;	2728	$self->enter_link;
1978		2729
		2730	# if exit is damned, update players death & WoR home-position
		2731	$self->contr->savebed ($slaying, $hp, $sp)
		2732	if $exit->flag (FLAG_DAMNED);
		2733
1979	(async {	2734	(async {
		2735	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2736
1980	$self->deactivate_recursive; # just to be sure	2737	$self->deactivate_recursive; # just to be sure
1981	unless (eval {	2738	unless (eval {
1982	$self->goto ($slaying, $hp, $sp);	2739	$self->goto ($slaying, $hp, $sp);
1983		2740
1984	1;	2741	1;
1985	}) {	2742	}) {
1986	$self->message ("Something went wrong deep within the crossfire server. "	2743	$self->message ("Something went wrong deep within the crossfire server. "
1987	. "I'll try to bring you back to the map you were before. "	2744	. "I'll try to bring you back to the map you were before. "
1988	. "Please report this to the dungeon master!",	2745	. "Please report this to the dungeon master!",
1989	cf::NDI_UNIQUE | cf::NDI_RED);	2746	cf::NDI_UNIQUE | cf::NDI_RED);
1990		2747
1991	warn "ERROR in enter_exit: $@";	2748	warn "ERROR in enter_exit: $@";
1992	$self->leave_link;	2749	$self->leave_link;
1993	}	2750	}
1994	})->prio (1);	2751	})->prio (1);
…		…
2010		2767
2011	utf8::encode $text;	2768	utf8::encode $text;
2012	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2769	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2013	}	2770	}
2014		2771
		2772	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2773
		2774	Send a drawinfo or msg packet to the client, formatting the msg for the
		2775	client if neccessary. C<$type> should be a string identifying the type of
		2776	the message, with C<log> being the default. If C<$color> is negative, suppress
		2777	the message unless the client supports the msg packet.
		2778
		2779	=cut
		2780
		2781	# non-persistent channels (usually the info channel)
		2782	our %CHANNEL = (
		2783	"c/identify" => {
		2784	id => "infobox",
		2785	title => "Identify",
		2786	reply => undef,
		2787	tooltip => "Items recently identified",
		2788	},
		2789	"c/examine" => {
		2790	id => "infobox",
		2791	title => "Examine",
		2792	reply => undef,
		2793	tooltip => "Signs and other items you examined",
		2794	},
		2795	"c/book" => {
		2796	id => "infobox",
		2797	title => "Book",
		2798	reply => undef,
		2799	tooltip => "The contents of a note or book",
		2800	},
		2801	"c/lookat" => {
		2802	id => "infobox",
		2803	title => "Look",
		2804	reply => undef,
		2805	tooltip => "What you saw there",
		2806	},
		2807	"c/who" => {
		2808	id => "infobox",
		2809	title => "Players",
		2810	reply => undef,
		2811	tooltip => "Shows players who are currently online",
		2812	},
		2813	"c/body" => {
		2814	id => "infobox",
		2815	title => "Body Parts",
		2816	reply => undef,
		2817	tooltip => "Shows which body parts you posess and are available",
		2818	},
		2819	"c/uptime" => {
		2820	id => "infobox",
		2821	title => "Uptime",
		2822	reply => undef,
		2823	tooltip => "How long the server has been running since last restart",
		2824	},
		2825	"c/mapinfo" => {
		2826	id => "infobox",
		2827	title => "Map Info",
		2828	reply => undef,
		2829	tooltip => "Information related to the maps",
		2830	},
		2831	);
		2832
		2833	sub cf::client::send_msg {
		2834	my ($self, $channel, $msg, $color, @extra) = @_;
		2835
		2836	$msg = $self->pl->expand_cfpod ($msg);
		2837
		2838	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2839
		2840	# check predefined channels, for the benefit of C
		2841	if ($CHANNEL{$channel}) {
		2842	$channel = $CHANNEL{$channel};
		2843
		2844	$self->ext_msg (channel_info => $channel)
		2845	if $self->can_msg;
		2846
		2847	$channel = $channel->{id};
		2848
		2849	} elsif (ref $channel) {
		2850	# send meta info to client, if not yet sent
		2851	unless (exists $self->{channel}{$channel->{id}}) {
		2852	$self->{channel}{$channel->{id}} = $channel;
		2853	$self->ext_msg (channel_info => $channel)
		2854	if $self->can_msg;
		2855	}
		2856
		2857	$channel = $channel->{id};
		2858	}
		2859
		2860	return unless @extra || length $msg;
		2861
		2862	if ($self->can_msg) {
		2863	# default colour, mask it out
		2864	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2865	if $color & cf::NDI_DEF;
		2866
		2867	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2868	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2869	} else {
		2870	if ($color >= 0) {
		2871	# replace some tags by gcfclient-compatible ones
		2872	for ($msg) {
		2873	1 while
		2874	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2875	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2876	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2877	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2878	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2879	}
		2880
		2881	$color &= cf::NDI_COLOR_MASK;
		2882
		2883	utf8::encode $msg;
		2884
		2885	if (0 && $msg =~ /\[/) {
		2886	# COMMAND/INFO
		2887	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2888	} else {
		2889	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2890	$self->send_packet ("drawinfo $color $msg")
		2891	}
		2892	}
		2893	}
		2894	}
		2895
2015	=item $client->ext_event ($type, %msg)	2896	=item $client->ext_msg ($type, @msg)
2016		2897
2017	Sends an exti event to the client.	2898	Sends an ext event to the client.
2018		2899
2019	=cut	2900	=cut
2020		2901
2021	sub cf::client::ext_event($$%) {	2902	sub cf::client::ext_msg($$@) {
2022	my ($self, $type, %msg) = @_;	2903	my ($self, $type, @msg) = @_;
2023		2904
		2905	if ($self->extcmd == 2) {
		2906	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2907	} elsif ($self->extcmd == 1) { # TODO: remove
2024	$msg{msgtype} = "event_$type";	2908	push @msg, msgtype => "event_$type";
2025	$self->send_packet ("ext " . cf::to_json \%msg);	2909	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2910	}
		2911	}
		2912
		2913	=item $client->ext_reply ($msgid, @msg)
		2914
		2915	Sends an ext reply to the client.
		2916
		2917	=cut
		2918
		2919	sub cf::client::ext_reply($$@) {
		2920	my ($self, $id, @msg) = @_;
		2921
		2922	if ($self->extcmd == 2) {
		2923	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2924	} elsif ($self->extcmd == 1) {
		2925	#TODO: version 1, remove
		2926	unshift @msg, msgtype => "reply", msgid => $id;
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2928	}
2026	}	2929	}
2027		2930
2028	=item $success = $client->query ($flags, "text", \&cb)	2931	=item $success = $client->query ($flags, "text", \&cb)
2029		2932
2030	Queues a query to the client, calling the given callback with	2933	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>,	2934	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>.	2935	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2033		2936
2034	Queries can fail, so check the return code. Or don't, as queries will become	2937	Queries can fail, so check the return code. Or don't, as queries will
2035	reliable at some point in the future.	2938	become reliable at some point in the future.
2036		2939
2037	=cut	2940	=cut
2038		2941
2039	sub cf::client::query {	2942	sub cf::client::query {
2040	my ($self, $flags, $text, $cb) = @_;	2943	my ($self, $flags, $text, $cb) = @_;
…		…
2048	utf8::encode $text;	2951	utf8::encode $text;
2049	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2952	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2050		2953
2051	$self->send_packet ($self->{query_queue}[0][0])	2954	$self->send_packet ($self->{query_queue}[0][0])
2052	if @{ $self->{query_queue} } == 1;	2955	if @{ $self->{query_queue} } == 1;
		2956
		2957	1
2053	}	2958	}
2054		2959
2055	cf::client->attach (	2960	cf::client->attach (
		2961	on_connect => sub {
		2962	my ($ns) = @_;
		2963
		2964	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2965	},
2056	on_reply => sub {	2966	on_reply => sub {
2057	my ($ns, $msg) = @_;	2967	my ($ns, $msg) = @_;
2058		2968
2059	# this weird shuffling is so that direct followup queries	2969	# this weird shuffling is so that direct followup queries
2060	# get handled first	2970	# get handled first
…		…
2072	} else {	2982	} else {
2073	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2983	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2074	}	2984	}
2075	}	2985	}
2076	},	2986	},
		2987	on_exticmd => sub {
		2988	my ($ns, $buf) = @_;
		2989
		2990	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2991
		2992	if (ref $msg) {
		2993	my ($type, $reply, @payload) =
		2994	"ARRAY" eq ref $msg
		2995	? @$msg
		2996	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2997
		2998	my @reply;
		2999
		3000	if (my $cb = $EXTICMD{$type}) {
		3001	@reply = $cb->($ns, @payload);
		3002	}
		3003
		3004	$ns->ext_reply ($reply, @reply)
		3005	if $reply;
		3006
		3007	} else {
		3008	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3009	}
		3010
		3011	cf::override;
		3012	},
2077	);	3013	);
2078		3014
2079	=item $client->async (\&cb)	3015	=item $client->async (\&cb)
2080		3016
2081	Create a new coroutine, running the specified callback. The coroutine will	3017	Create a new coroutine, running the specified callback. The coroutine will
…		…
2122	our $safe = new Safe "safe";	3058	our $safe = new Safe "safe";
2123	our $safe_hole = new Safe::Hole;	3059	our $safe_hole = new Safe::Hole;
2124		3060
2125	$SIG{FPE} = 'IGNORE';	3061	$SIG{FPE} = 'IGNORE';
2126		3062
2127	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3063	$safe->permit_only (Opcode::opset qw(
		3064	:base_core :base_mem :base_orig :base_math
		3065	grepstart grepwhile mapstart mapwhile
		3066	sort time
		3067	));
2128		3068
2129	# here we export the classes and methods available to script code	3069	# here we export the classes and methods available to script code
2130		3070
2131	=pod	3071	=pod
2132		3072
2133	The following functions and methods are available within a safe environment:	3073	The following functions and methods are available within a safe environment:
2134		3074
2135	cf::object contr pay_amount pay_player map	3075	cf::object
		3076	contr pay_amount pay_player map x y force_find force_add destroy
		3077	insert remove name archname title slaying race decrease_ob_nr
		3078
2136	cf::object::player player	3079	cf::object::player
2137	cf::player peaceful	3080	player
2138	cf::map trigger	3081
		3082	cf::player
		3083	peaceful
		3084
		3085	cf::map
		3086	trigger
2139		3087
2140	=cut	3088	=cut
2141		3089
2142	for (	3090	for (
2143	["cf::object" => qw(contr pay_amount pay_player map)],	3091	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3092	insert remove inv name archname title slaying race
		3093	decrease_ob_nr destroy)],
2144	["cf::object::player" => qw(player)],	3094	["cf::object::player" => qw(player)],
2145	["cf::player" => qw(peaceful)],	3095	["cf::player" => qw(peaceful)],
2146	["cf::map" => qw(trigger)],	3096	["cf::map" => qw(trigger)],
2147	) {	3097	) {
2148	no strict 'refs';	3098	no strict 'refs';
…		…
2219	=back	3169	=back
2220		3170
2221	=cut	3171	=cut
2222		3172
2223	#############################################################################	3173	#############################################################################
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	3174	# the server's init and main functions
2297		3175
2298	sub load_facedata {	3176	sub load_facedata($) {
2299	my $path = sprintf "%s/facedata", cf::datadir;	3177	my ($path) = @_;
		3178
		3179	# HACK to clear player env face cache, we need some signal framework
		3180	# for this (global event?)
		3181	%ext::player_env::MUSIC_FACE_CACHE = ();
		3182
		3183	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2300		3184
2301	warn "loading facedata from $path\n";	3185	warn "loading facedata from $path\n";
2302		3186
2303	my $faces;	3187	my $facedata;
2304	0 < aio_load $path, $faces	3188	0 < aio_load $path, $facedata
2305	or die "$path: $!";	3189	or die "$path: $!";
2306		3190
2307	Coro::cede;
2308	$faces = Storable::thaw $faces;	3191	$facedata = Coro::Storable::thaw $facedata;
2309	Coro::cede;
2310		3192
2311	my $meta = delete $faces->{""};
2312	$meta->{version} == 1	3193	$facedata->{version} == 2
2313	or cf::cleanup "$path: version mismatch, cannot proceed.";	3194	or cf::cleanup "$path: version mismatch, cannot proceed.";
2314		3195
		3196	# patch in the exptable
		3197	$facedata->{resource}{"res/exp_table"} = {
		3198	type => FT_RSRC,
		3199	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3200	};
		3201	cf::cede_to_tick;
		3202
		3203	{
		3204	my $faces = $facedata->{faceinfo};
		3205
2315	while (my ($face, $info) = each %$faces) {	3206	while (my ($face, $info) = each %$faces) {
2316	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3207	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2317	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3208
		3209	cf::face::set_visibility $idx, $info->{visibility};
		3210	cf::face::set_magicmap $idx, $info->{magicmap};
2318	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3211	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2319	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3212	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2320	Coro::cede;
2321	}
2322		3213
		3214	cf::cede_to_tick;
		3215	}
		3216
2323	while (my ($face, $info) = each %$faces) {	3217	while (my ($face, $info) = each %$faces) {
2324	next unless $info->{smooth};	3218	next unless $info->{smooth};
		3219
2325	my $idx = cf::face::find $face	3220	my $idx = cf::face::find $face
2326	or next;	3221	or next;
		3222
2327	if (my $smooth = cf::face::find $info->{smooth}) {	3223	if (my $smooth = cf::face::find $info->{smooth}) {
2328	cf::face::set_smooth $idx, $smooth;	3224	cf::face::set_smooth $idx, $smooth;
		3225	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2329	} else {	3226	} else {
2330	warn "smooth face '$info->{smooth}' not found for face '$face'";	3227	warn "smooth face '$info->{smooth}' not found for face '$face'";
2331	}	3228	}
2332	Coro::cede;	3229
		3230	cf::cede_to_tick;
		3231	}
		3232	}
		3233
2333	}	3234	{
		3235	my $anims = $facedata->{animinfo};
		3236
		3237	while (my ($anim, $info) = each %$anims) {
		3238	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3239	cf::cede_to_tick;
		3240	}
		3241
		3242	cf::anim::invalidate_all; # d'oh
		3243	}
		3244
		3245	{
		3246	# TODO: for gcfclient pleasure, we should give resources
		3247	# that gcfclient doesn't grok a >10000 face index.
		3248	my $res = $facedata->{resource};
		3249
		3250	while (my ($name, $info) = each %$res) {
		3251	if (defined $info->{type}) {
		3252	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3253	my $data;
		3254
		3255	if ($info->{type} & 1) {
		3256	# prepend meta info
		3257
		3258	my $meta = $enc->encode ({
		3259	name => $name,
		3260	%{ $info->{meta} || {} },
		3261	});
		3262
		3263	$data = pack "(w/a*)*", $meta, $info->{data};
		3264	} else {
		3265	$data = $info->{data};
		3266	}
		3267
		3268	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3269	cf::face::set_type $idx, $info->{type};
		3270	} else {
		3271	$RESOURCE{$name} = $info;
		3272	}
		3273
		3274	cf::cede_to_tick;
		3275	}
		3276	}
		3277
		3278	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2334		3279
2335	1	3280	1
2336	}	3281	}
2337		3282
		3283	cf::global->attach (on_resource_update => sub {
		3284	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3285	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3286
		3287	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3288	my $sound = $soundconf->{compat}[$_]
		3289	or next;
		3290
		3291	my $face = cf::face::find "sound/$sound->[1]";
		3292	cf::sound::set $sound->[0] => $face;
		3293	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3294	}
		3295
		3296	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3297	my $face = cf::face::find "sound/$v";
		3298	cf::sound::set $k => $face;
		3299	}
		3300	}
		3301	});
		3302
		3303	register_exticmd fx_want => sub {
		3304	my ($ns, $want) = @_;
		3305
		3306	while (my ($k, $v) = each %$want) {
		3307	$ns->fx_want ($k, $v);
		3308	}
		3309	};
		3310
		3311	sub reload_regions {
		3312	# HACK to clear player env face cache, we need some signal framework
		3313	# for this (global event?)
		3314	%ext::player_env::MUSIC_FACE_CACHE = ();
		3315
		3316	load_resource_file "$MAPDIR/regions"
		3317	or die "unable to load regions file\n";
		3318
		3319	for (cf::region::list) {
		3320	$_->{match} = qr/$_->{match}/
		3321	if exists $_->{match};
		3322	}
		3323	}
		3324
		3325	sub reload_facedata {
		3326	load_facedata "$DATADIR/facedata"
		3327	or die "unable to load facedata\n";
		3328	}
		3329
		3330	sub reload_archetypes {
		3331	load_resource_file "$DATADIR/archetypes"
		3332	or die "unable to load archetypes\n";
		3333	#d# NEED to laod twice to resolve forward references
		3334	# this really needs to be done in an extra post-pass
		3335	# (which needs to be synchronous, so solve it differently)
		3336	load_resource_file "$DATADIR/archetypes"
		3337	or die "unable to load archetypes\n";
		3338	}
		3339
		3340	sub reload_treasures {
		3341	load_resource_file "$DATADIR/treasures"
		3342	or die "unable to load treasurelists\n";
		3343	}
		3344
2338	sub reload_resources {	3345	sub reload_resources {
2339	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3346	warn "reloading resource files...\n";
2340	or die "unable to load regions file\n";#d#	3347
		3348	reload_regions;
2341	load_facedata	3349	reload_facedata;
2342	or die "unable to load facedata\n";#d#	3350	#reload_archetypes;#d#
		3351	reload_archetypes;
		3352	reload_treasures;
		3353
		3354	warn "finished reloading resource files\n";
2343	}	3355	}
2344		3356
2345	sub init {	3357	sub init {
2346	reload_resources;	3358	reload_resources;
2347	}	3359	}
2348		3360
2349	sub cfg_load {	3361	sub reload_config {
2350	open my $fh, "<:utf8", cf::confdir . "/config"	3362	open my $fh, "<:utf8", "$CONFDIR/config"
2351	or return;	3363	or return;
2352		3364
2353	local $/;	3365	local $/;
2354	*CFG = YAML::Syck::Load <$fh>;	3366	*CFG = YAML::Load <$fh>;
2355		3367
2356	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3368	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2357		3369
2358	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3370	$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};	3371	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2370	sub main {	3382	sub main {
2371	# we must not ever block the main coroutine	3383	# we must not ever block the main coroutine
2372	local $Coro::idle = sub {	3384	local $Coro::idle = sub {
2373	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3385	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2374	(async {	3386	(async {
2375	Event::one_event;	3387	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3388	EV::loop EV::LOOP_ONESHOT;
2376	})->prio (Coro::PRIO_MAX);	3389	})->prio (Coro::PRIO_MAX);
2377	};	3390	};
2378		3391
2379	cfg_load;	3392	reload_config;
2380	db_init;	3393	db_init;
2381	load_extensions;	3394	load_extensions;
2382		3395
2383	$TICK_WATCHER->start;	3396	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3397	evthread_start IO::AIO::poll_fileno;
2384	Event::loop;	3398	EV::loop;
2385	}	3399	}
2386		3400
2387	#############################################################################	3401	#############################################################################
2388	# initialisation and cleanup	3402	# initialisation and cleanup
2389		3403
2390	# install some emergency cleanup handlers	3404	# install some emergency cleanup handlers
2391	BEGIN {	3405	BEGIN {
		3406	our %SIGWATCHER = ();
2392	for my $signal (qw(INT HUP TERM)) {	3407	for my $signal (qw(INT HUP TERM)) {
2393	Event->signal (	3408	$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";	3409	cf::cleanup "SIG$signal";
2400	},
2401	);	3410	};
		3411	}
		3412	}
		3413
		3414	sub write_runtime_sync {
		3415	my $runtime = "$LOCALDIR/runtime";
		3416
		3417	# first touch the runtime file to show we are still running:
		3418	# the fsync below can take a very very long time.
		3419
		3420	IO::AIO::aio_utime $runtime, undef, undef;
		3421
		3422	my $guard = cf::lock_acquire "write_runtime";
		3423
		3424	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3425	or return;
		3426
		3427	my $value = $cf::RUNTIME + 90 + 10;
		3428	# 10 is the runtime save interval, for a monotonic clock
		3429	# 60 allows for the watchdog to kill the server.
		3430
		3431	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3432	and return;
		3433
		3434	# always fsync - this file is important
		3435	aio_fsync $fh
		3436	and return;
		3437
		3438	# touch it again to show we are up-to-date
		3439	aio_utime $fh, undef, undef;
		3440
		3441	close $fh
		3442	or return;
		3443
		3444	aio_rename "$runtime~", $runtime
		3445	and return;
		3446
		3447	warn "runtime file written.\n";
		3448
2402	}	3449	1
		3450	}
		3451
		3452	our $uuid_lock;
		3453	our $uuid_skip;
		3454
		3455	sub write_uuid_sync($) {
		3456	$uuid_skip ||= $_[0];
		3457
		3458	return if $uuid_lock;
		3459	local $uuid_lock = 1;
		3460
		3461	my $uuid = "$LOCALDIR/uuid";
		3462
		3463	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3464	or return;
		3465
		3466	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3467	$uuid_skip = 0;
		3468
		3469	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3470	and return;
		3471
		3472	# always fsync - this file is important
		3473	aio_fsync $fh
		3474	and return;
		3475
		3476	close $fh
		3477	or return;
		3478
		3479	aio_rename "$uuid~", $uuid
		3480	and return;
		3481
		3482	warn "uuid file written ($value).\n";
		3483
		3484	1
		3485
		3486	}
		3487
		3488	sub write_uuid($$) {
		3489	my ($skip, $sync) = @_;
		3490
		3491	$sync ? write_uuid_sync $skip
		3492	: async { write_uuid_sync $skip };
2403	}	3493	}
2404		3494
2405	sub emergency_save() {	3495	sub emergency_save() {
2406	my $freeze_guard = cf::freeze_mainloop;	3496	my $freeze_guard = cf::freeze_mainloop;
2407		3497
…		…
2413	# and maps saved/destroyed asynchronously.	3503	# and maps saved/destroyed asynchronously.
2414	warn "begin emergency player save\n";	3504	warn "begin emergency player save\n";
2415	for my $login (keys %cf::PLAYER) {	3505	for my $login (keys %cf::PLAYER) {
2416	my $pl = $cf::PLAYER{$login} or next;	3506	my $pl = $cf::PLAYER{$login} or next;
2417	$pl->valid or next;	3507	$pl->valid or next;
		3508	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2418	$pl->save;	3509	$pl->save;
2419	}	3510	}
2420	warn "end emergency player save\n";	3511	warn "end emergency player save\n";
2421		3512
2422	warn "begin emergency map save\n";	3513	warn "begin emergency map save\n";
…		…
2428	warn "end emergency map save\n";	3519	warn "end emergency map save\n";
2429		3520
2430	warn "begin emergency database checkpoint\n";	3521	warn "begin emergency database checkpoint\n";
2431	BDB::db_env_txn_checkpoint $DB_ENV;	3522	BDB::db_env_txn_checkpoint $DB_ENV;
2432	warn "end emergency database checkpoint\n";	3523	warn "end emergency database checkpoint\n";
		3524
		3525	warn "begin write uuid\n";
		3526	write_uuid_sync 1;
		3527	warn "end write uuid\n";
2433	};	3528	};
2434		3529
2435	warn "leave emergency perl save\n";	3530	warn "leave emergency perl save\n";
2436	}	3531	}
2437		3532
…		…
2440		3535
2441	warn Carp::longmess "post_cleanup backtrace"	3536	warn Carp::longmess "post_cleanup backtrace"
2442	if $make_core;	3537	if $make_core;
2443	}	3538	}
2444		3539
2445	sub reload() {	3540	sub do_reload_perl() {
2446	# can/must only be called in main	3541	# can/must only be called in main
2447	if ($Coro::current != $Coro::main) {	3542	if ($Coro::current != $Coro::main) {
2448	warn "can only reload from main coroutine";	3543	warn "can only reload from main coroutine";
2449	return;	3544	return;
2450	}	3545	}
…		…
2452	warn "reloading...";	3547	warn "reloading...";
2453		3548
2454	warn "entering sync_job";	3549	warn "entering sync_job";
2455		3550
2456	cf::sync_job {	3551	cf::sync_job {
2457	cf::write_runtime; # external watchdog should not bark	3552	cf::write_runtime_sync; # external watchdog should not bark
2458	cf::emergency_save;	3553	cf::emergency_save;
2459	cf::write_runtime; # external watchdog should not bark	3554	cf::write_runtime_sync; # external watchdog should not bark
2460		3555
2461	warn "syncing database to disk";	3556	warn "syncing database to disk";
2462	BDB::db_env_txn_checkpoint $DB_ENV;	3557	BDB::db_env_txn_checkpoint $DB_ENV;
2463		3558
2464	# if anything goes wrong in here, we should simply crash as we already saved	3559	# 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 $_->data & WF_AUTOCANCEL;
2469	}
2470		3560
2471	warn "flushing outstanding aio requests";	3561	warn "flushing outstanding aio requests";
2472	for (;;) {	3562	for (;;) {
2473	BDB::flush;	3563	BDB::flush;
2474	IO::AIO::flush;	3564	IO::AIO::flush;
2475	Coro::cede;	3565	Coro::cede_notself;
2476	last unless IO::AIO::nreqs || BDB::nreqs;	3566	last unless IO::AIO::nreqs || BDB::nreqs;
2477	warn "iterate...";	3567	warn "iterate...";
2478	}	3568	}
2479		3569
2480	++$RELOAD;	3570	++$RELOAD;
…		…
2484	%EXT_CORO = ();	3574	%EXT_CORO = ();
2485		3575
2486	warn "removing commands";	3576	warn "removing commands";
2487	%COMMAND = ();	3577	%COMMAND = ();
2488		3578
2489	warn "removing ext commands";	3579	warn "removing ext/exti commands";
2490	%EXTCMD = ();	3580	%EXTCMD = ();
		3581	%EXTICMD = ();
2491		3582
2492	warn "unloading/nuking all extensions";	3583	warn "unloading/nuking all extensions";
2493	for my $pkg (@EXTS) {	3584	for my $pkg (@EXTS) {
2494	warn "... unloading $pkg";	3585	warn "... unloading $pkg";
2495		3586
…		…
2525	Symbol::delete_package "safe::$_"	3616	Symbol::delete_package "safe::$_"
2526	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3617	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2527		3618
2528	warn "unloading cf.pm \"a bit\"";	3619	warn "unloading cf.pm \"a bit\"";
2529	delete $INC{"cf.pm"};	3620	delete $INC{"cf.pm"};
		3621	delete $INC{"cf/pod.pm"};
2530		3622
2531	# don't, removes xs symbols, too,	3623	# don't, removes xs symbols, too,
2532	# and global variables created in xs	3624	# and global variables created in xs
2533	#Symbol::delete_package __PACKAGE__;	3625	#Symbol::delete_package __PACKAGE__;
2534		3626
…		…
2537	warn "reloading cf.pm";	3629	warn "reloading cf.pm";
2538	require cf;	3630	require cf;
2539	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3631	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2540		3632
2541	warn "loading config and database again";	3633	warn "loading config and database again";
2542	cf::cfg_load;	3634	cf::reload_config;
2543		3635
2544	warn "loading extensions";	3636	warn "loading extensions";
2545	cf::load_extensions;	3637	cf::load_extensions;
2546		3638
2547	warn "reattaching attachments to objects/players";	3639	warn "reattaching attachments to objects/players";
…		…
2549	warn "reattaching attachments to maps";	3641	warn "reattaching attachments to maps";
2550	reattach $_ for values %MAP;	3642	reattach $_ for values %MAP;
2551	warn "reattaching attachments to players";	3643	warn "reattaching attachments to players";
2552	reattach $_ for values %PLAYER;	3644	reattach $_ for values %PLAYER;
2553		3645
2554	warn "loading reloadable resources";
2555	reload_resources;
2556
2557	warn "leaving sync_job";	3646	warn "leaving sync_job";
2558		3647
2559	1	3648	1
2560	} or do {	3649	} or do {
2561	warn $@;	3650	warn $@;
2562	warn "error while reloading, exiting.";	3651	cf::cleanup "error while reloading, exiting.";
2563	exit 1;
2564	};	3652	};
2565		3653
2566	warn "reloaded";	3654	warn "reloaded";
2567	};	3655	};
2568		3656
2569	our $RELOAD_WATCHER; # used only during reload	3657	our $RELOAD_WATCHER; # used only during reload
2570		3658
		3659	sub reload_perl() {
		3660	# doing reload synchronously and two reloads happen back-to-back,
		3661	# coro crashes during coro_state_free->destroy here.
		3662
		3663	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3664	do_reload_perl;
		3665	undef $RELOAD_WATCHER;
		3666	};
		3667	}
		3668
2571	register_command "reload" => sub {	3669	register_command "reload" => sub {
2572	my ($who, $arg) = @_;	3670	my ($who, $arg) = @_;
2573		3671
2574	if ($who->flag (FLAG_WIZ)) {	3672	if ($who->flag (FLAG_WIZ)) {
2575	$who->message ("reloading server.");	3673	$who->message ("reloading server.");
2576		3674	async {
2577	# doing reload synchronously and two reloads happen back-to-back,	3675	$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;	3676	reload_perl;
2586	undef $RELOAD_WATCHER;
2587	},
2588	);	3677	};
2589	}	3678	}
2590	};	3679	};
2591		3680
2592	unshift @INC, $LIBDIR;	3681	unshift @INC, $LIBDIR;
2593		3682
2594	my $bug_warning = 0;	3683	my $bug_warning = 0;
2595		3684
2596	$TICK_WATCHER = Event->timer (	3685	our @WAIT_FOR_TICK;
2597	reentrant => 0,	3686	our @WAIT_FOR_TICK_BEGIN;
2598	parked => 1,	3687
2599	prio => 0,	3688	sub wait_for_tick {
2600	at => $NEXT_TICK || $TICK,	3689	return if tick_inhibit;
2601	data => WF_AUTOCANCEL,	3690	return if $Coro::current == $Coro::main;
2602	cb => sub {	3691
		3692	my $signal = new Coro::Signal;
		3693	push @WAIT_FOR_TICK, $signal;
		3694	$signal->wait;
		3695	}
		3696
		3697	sub wait_for_tick_begin {
		3698	return if tick_inhibit;
		3699	return if $Coro::current == $Coro::main;
		3700
		3701	my $signal = new Coro::Signal;
		3702	push @WAIT_FOR_TICK_BEGIN, $signal;
		3703	$signal->wait;
		3704	}
		3705
		3706	sub tick {
2603	if ($Coro::current != $Coro::main) {	3707	if ($Coro::current != $Coro::main) {
2604	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3708	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2605	unless ++$bug_warning > 10;	3709	unless ++$bug_warning > 10;
2606	return;	3710	return;
2607	}	3711	}
2608		3712
2609	$NOW = Event::time;
2610
2611	cf::server_tick; # one server iteration	3713	cf::server_tick; # one server iteration
2612	$RUNTIME += $TICK;
2613	$NEXT_TICK += $TICK;
2614		3714
2615	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3715	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2616	$NEXT_RUNTIME_WRITE = $NOW + 10;	3716	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2617	Coro::async_pool {	3717	Coro::async_pool {
		3718	$Coro::current->{desc} = "runtime saver";
2618	write_runtime	3719	write_runtime_sync
2619	or warn "ERROR: unable to write runtime file: $!";	3720	or warn "ERROR: unable to write runtime file: $!";
2620	};
2621	}	3721	};
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	},	3722	}
2635	);	3723
		3724	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3725	$sig->send;
		3726	}
		3727	while (my $sig = shift @WAIT_FOR_TICK) {
		3728	$sig->send;
		3729	}
		3730
		3731	$LOAD = ($NOW - $TICK_START) / $TICK;
		3732	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3733
		3734	if (0) {
		3735	if ($NEXT_TICK) {
		3736	my $jitter = $TICK_START - $NEXT_TICK;
		3737	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3738	warn "jitter $JITTER\n";#d#
		3739	}
		3740	}
		3741	}
2636		3742
2637	{	3743	{
2638	BDB::max_poll_time $TICK * 0.1;	3744	# configure BDB
2639	$BDB_POLL_WATCHER = Event->io (	3745
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;	3746	BDB::min_parallel 8;
2648		3747	BDB::max_poll_reqs $TICK * 0.1;
2649	BDB::set_sync_prepare {	3748	$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	$! = $status;
2660	},
2661	)
2662	};
2663		3749
2664	unless ($DB_ENV) {	3750	unless ($DB_ENV) {
2665	$DB_ENV = BDB::db_env_create;	3751	$DB_ENV = BDB::db_env_create;
		3752	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3753	| BDB::LOG_AUTOREMOVE, 1);
		3754	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3755	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2666		3756
2667	cf::sync_job {	3757	cf::sync_job {
2668	eval {	3758	eval {
2669	BDB::db_env_open	3759	BDB::db_env_open
2670	$DB_ENV,	3760	$DB_ENV,
2671	$BDB_ENV_DIR,	3761	$BDBDIR,
2672	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3762	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2673	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3763	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2674	0666;	3764	0666;
2675		3765
2676	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3766	cf::cleanup "db_env_open($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	};	3767	};
2681		3768
2682	cf::cleanup "db_env_open(db): $@" if $@;	3769	cf::cleanup "db_env_open(db): $@" if $@;
2683	};	3770	};
2684	}	3771	}
		3772
		3773	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3774	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3775	};
		3776	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3777	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3778	};
		3779	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3780	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3781	};
2685	}	3782	}
2686		3783
2687	{	3784	{
		3785	# configure IO::AIO
		3786
2688	IO::AIO::min_parallel 8;	3787	IO::AIO::min_parallel 8;
2689
2690	undef $Coro::AIO::WATCHER;
2691	IO::AIO::max_poll_time $TICK * 0.1;	3788	IO::AIO::max_poll_time $TICK * 0.1;
2692	$AIO_POLL_WATCHER = Event->io (	3789	$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	}	3790	}
		3791
		3792	my $_log_backtrace;
		3793
		3794	sub _log_backtrace {
		3795	my ($msg, @addr) = @_;
		3796
		3797	$msg =~ s/\n//;
		3798
		3799	# limit the # of concurrent backtraces
		3800	if ($_log_backtrace < 2) {
		3801	++$_log_backtrace;
		3802	async {
		3803	$Coro::current->{desc} = "abt $msg";
		3804
		3805	my @bt = fork_call {
		3806	@addr = map { sprintf "%x", $_ } @addr;
		3807	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3808	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3809	or die "addr2line: $!";
		3810
		3811	my @funcs;
		3812	my @res = <$fh>;
		3813	chomp for @res;
		3814	while (@res) {
		3815	my ($func, $line) = splice @res, 0, 2, ();
		3816	push @funcs, "[$func] $line";
		3817	}
		3818
		3819	@funcs
		3820	};
		3821
		3822	LOG llevInfo, "[ABT] $msg\n";
		3823	LOG llevInfo, "[ABT] $_\n" for @bt;
		3824	--$_log_backtrace;
		3825	};
		3826	} else {
		3827	LOG llevInfo, "[ABT] $msg\n";
		3828	LOG llevInfo, "[ABT] [suppressed]\n";
		3829	}
		3830	}
		3831
		3832	# load additional modules
		3833	use cf::pod;
2701		3834
2702	END { cf::emergency_save }	3835	END { cf::emergency_save }
2703		3836
2704	1	3837	1
2705		3838

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