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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.242 by root, Mon Apr 16 12:37:08 2007 UTC vs.
Revision 1.427 by root, Sat Apr 26 12:25:45 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
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;
21	use Coro::Storable;	45	use Coro::Storable;
		46	use Coro::Util ();
22		47
		48	use JSON::XS 2.01 ();
23	use BDB ();	49	use BDB ();
24	use Data::Dumper;	50	use Data::Dumper;
25	use Digest::MD5;	51	use Digest::MD5;
26	use Fcntl;	52	use Fcntl;
27	use YAML::Syck ();	53	use YAML ();
28	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
29	use Time::HiRes;	55	use Time::HiRes;
30	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
31		58
32	# configure various modules to our taste	59	# configure various modules to our taste
33	#	60	#
34	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
35	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
36	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
37		64
38	$Event::Eval = 1; # no idea why this is required, but it is
39
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$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
44		66
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		68
47	our %COMMAND = ();	69	our %COMMAND = ();
48	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
49		71
50	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
54		77
55	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
56	our @EVENT;	79	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		80
59	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
60	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(!)
61	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	97	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		99
67	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	104	our $DB_ENV;
69		105
70	our %CFG;	106	our %CFG;
71		107
72	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
74		111
75	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		115
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $TICK_START; # for load detecting purposes
		123
84	binmode STDOUT;	124	binmode STDOUT;
85	binmode STDERR;	125	binmode STDERR;
86		126
87	# read virtual server time, if available	127	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
89	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
90	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
91	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
92	}	132	}
93		133
94	mkdir cf::localdir;	134	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		136
101	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
102		138
103	sub cf::map::normalise;	139	sub cf::map::normalise;
104		140
…		…
115	=item $cf::RUNTIME	151	=item $cf::RUNTIME
116		152
117	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
118	every server tick.	154	every server tick.
119		155
120	=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
121		159
122	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
123	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.
124		164
125	=item $cf::NOW	165	=item $cf::NOW
126		166
127	The time of the last (current) server tick.	167	The time of the last (current) server tick.
128		168
129	=item $cf::TICK	169	=item $cf::TICK
130		170
131	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
132		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
133	=item %cf::CFG	183	=item %cf::CFG
134		184
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	186	from wherever your confdir points to.
137		187
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		189
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	191	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		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.
		199
144	=back	200	=back
145		201
146	=cut	202	=cut
147		203
148	BEGIN {	204	BEGIN {
149	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	206	my $msg = join "", @_;
151	utf8::encode $msg;
152		207
153	$msg .= "\n"	208	$msg .= "\n"
154	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
155		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
156	LOG llevError, $msg;	213	LOG llevError, $msg;
157	};	214	};
158	}	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#?
159		231
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@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';
165	@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)
166		239
167	# 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
168	# within the Safe compartment.	241	# within the Safe compartment.
169	for my $pkg (qw(	242	for my $pkg (qw(
170	cf::global cf::attachable	243	cf::global cf::attachable
…		…
175	)) {	248	)) {
176	no strict 'refs';	249	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	251	}
179		252
180	$Event::DIED = sub {	253	$EV::DIED = sub {
181	warn "error in event callback: @_";	254	warn "error in event callback: @_";
182	};	255	};
		256
		257	#############################################################################
183		258
184	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
185		260
186	=over 4	261	=over 4
187		262
…		…
206	$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;
207	$d	282	$d
208	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
209	}	284	}
210		285
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
214		287
215	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
216		289
217	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
218		291
219	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]) }
220		300
221	=item cf::lock_wait $string	301	=item cf::lock_wait $string
222		302
223	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
224		304
…		…
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
230	returned.	310	returned.
231		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
232	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
233	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
234		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
235	=cut	322	=cut
236		323
237	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
238		326
239	sub lock_wait($) {	327	sub lock_wait($) {
240	my ($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#
241		334
242	# wait for lock, if any	335	# wait for lock, if any
243	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	338	Coro::schedule;
…		…
251		344
252	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
253	lock_wait $key;	346	lock_wait $key;
254		347
255	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
256		350
257	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
260	}	355	}
261	}	356	}
262		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
263	sub freeze_mainloop {	364	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
265		366
266	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
267	$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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
268	};	428	}
269	$TICK_WATCHER->stop;	429	};
270	$guard	430
		431	sub get_slot($;$$) {
		432	return if tick_inhibit || $Coro::current == $Coro::main;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
271	}	443	}
272		444
273	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
274		446
275	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		452
281	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
282		454
283	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
284		456
285	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
288		461
289	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
292	fast or be very important.	465	fast or be very important.
…		…
295		468
296	sub sync_job(&) {	469	sub sync_job(&) {
297	my ($job) = @_;	470	my ($job) = @_;
298		471
299	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
300	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
302		477
303	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	479
305	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
306		481
307	my $busy = 1;	482	my $busy = 1;
308	my @res;	483	my @res;
309		484
310	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	487	@res = eval { $job->() };
312	warn $@ if $@;	488	warn $@ if $@;
313	undef $busy;	489	undef $busy;
314	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
315		491
316	while ($busy) {	492	while ($busy) {
317	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
318	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
319		503
320	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
321	} else {	505	} else {
322	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
323		507
…		…
343	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
344		528
345	$coro	529	$coro
346	}	530	}
347		531
348	sub write_runtime {	532	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		533
351	my $runtime = cf::localdir . "/runtime";	534	Executes the given code block with the given arguments in a seperate
		535	process, returning the results. Everything must be serialisable with
		536	Coro::Storable. May, of course, block. Note that the executed sub may
		537	never block itself or use any form of event handling.
352		538
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	539	=cut
354	or return;
355		540
356	my $value = $cf::RUNTIME + 90 + 10;	541	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	542	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		543
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	# we seemingly have to make a local copy of the whole thing,
361	and return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
362		547
363	# always fsync - this file is important	548	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	549	reset_signals;
365	and return;	550	&$cb
		551	}, @args;
366		552
367	close $fh	553	wantarray ? @res : $res[-1]
368	or return;	554	}
369		555
370	aio_rename "$runtime~", $runtime	556	=item $coin = coin_from_name $name
371	and return;
372		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
		581	}
		582
		583	=item $value = cf::db_get $family => $key
		584
		585	Returns a single value from the environment database.
		586
		587	=item cf::db_put $family => $key => $value
		588
		589	Stores the given C<$value> in the family. It can currently store binary
		590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
		597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
		610	};
		611	cf::cleanup "db_open(db): $@" if $@;
		612
		613	$db
		614	}
		615
		616	our $DB;
		617
		618	sub db_init {
		619	cf::sync_job {
		620	$DB ||= db_table "db";
		621	};
		622	}
		623
		624	sub db_get($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
373	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		636	BDB::dbreq_pri 4;
		637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		638	}
		639
		640	=item cf::cache $id => [$paths...], $processversion => $process
		641
		642	Generic caching function that returns the value of the resource $id,
		643	caching and regenerating as required.
		644
		645	This function can block.
		646
		647	=cut
		648
		649	sub cache {
		650	my ($id, $src, $processversion, $process) = @_;
		651
		652	my $meta =
		653	join "\x00",
		654	$processversion,
		655	map {
		656	aio_stat $_
		657	and Carp::croak "$_: $!";
		658
		659	($_, (stat _)[7,9])
		660	} @$src;
		661
		662	my $dbmeta = db_get cache => "$id/meta";
		663	if ($dbmeta ne $meta) {
		664	# changed, we may need to process
		665
		666	my @data;
		667	my $md5;
		668
		669	for (0 .. $#$src) {
		670	0 <= aio_load $src->[$_], $data[$_]
		671	or Carp::croak "$src->[$_]: $!";
		672	}
		673
		674	# if processing is expensive, check
		675	# checksum first
		676	if (1) {
		677	$md5 =
		678	join "\x00",
		679	$processversion,
		680	map {
		681	cf::cede_to_tick;
		682	($src->[$_], Digest::MD5::md5_hex $data[$_])
		683	} 0.. $#$src;
		684
		685
		686	my $dbmd5 = db_get cache => "$id/md5";
		687	if ($dbmd5 eq $md5) {
		688	db_put cache => "$id/meta", $meta;
		689
		690	return db_get cache => "$id/data";
		691	}
		692	}
		693
		694	my $t1 = Time::HiRes::time;
		695	my $data = $process->(\@data);
		696	my $t2 = Time::HiRes::time;
		697
		698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		699
		700	db_put cache => "$id/data", $data;
		701	db_put cache => "$id/md5" , $md5;
		702	db_put cache => "$id/meta", $meta;
		703
		704	return $data;
		705	}
		706
		707	db_get cache => "$id/data"
374	}	708	}
375		709
376	=item cf::datalog type => key => value, ...	710	=item cf::datalog type => key => value, ...
377		711
378	Log a datalog packet of the given type with the given key-value pairs.	712	Log a datalog packet of the given type with the given key-value pairs.
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
398		732
399	In the following description, CLASS can be any of C<global>, C<object>	733	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	735	Deliantra).
402		736
403	=over 4	737	=over 4
404		738
405	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
406		740
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
570		904
571	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		909
576	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	911	my $pkg = shift @arg;
578		912
579	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
609	}	943	}
610		944
611	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
612	} else {	946	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	948	}
615		949
616	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
617	}	951	}
618		952
…		…
620	if (ref $_[0]) {	954	if (ref $_[0]) {
621	_object_attach @_;	955	_object_attach @_;
622	} else {	956	} else {
623	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
624	}	958	}
		959	_recalc_want;
625	};	960	};
626		961
627	# all those should be optimised	962	# all those should be optimised
628	sub cf::attachable::detach {	963	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
633	reattach ($obj);	968	reattach ($obj);
634	} else {	969	} else {
635	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
636	}	971	}
		972	_recalc_want;
637	};	973	};
638		974
639	sub cf::attachable::attached {	975	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
641		977
…		…
656	";	992	";
657	die if $@;	993	die if $@;
658	}	994	}
659		995
660	our $override;	996	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	997	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		998
663	sub override {	999	sub override {
664	$override = 1;	1000	$override = 1;
665	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
666	}	1002	}
667		1003
668	sub do_invoke {	1004	sub do_invoke {
669	my $event = shift;	1005	my $event = shift;
670	my $callbacks = shift;	1006	my $callbacks = shift;
671		1007
672	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
673		1009
674	local $override;	1010	local $override;
675		1011
676	for (@$callbacks) {	1012	for (@$callbacks) {
677	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
686	}	1022	}
687		1023
688	0	1024	0
689	}	1025	}
690		1026
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1028
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1030
695	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
696		1032
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1033	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	1034	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1036
701	=back	1037	=back
702		1038
703	=cut	1039	=cut
704		1040
705	#############################################################################	1041	#############################################################################
706	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
707		1085
708	sub reattach {	1086	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1088	my ($obj) = @_;
711		1089
…		…
732	cf::attachable->attach (	1110	cf::attachable->attach (
733	prio => -1000000,	1111	prio => -1000000,
734	on_instantiate => sub {	1112	on_instantiate => sub {
735	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
736		1114
737	$data = from_json $data;	1115	$data = decode_json $data;
738		1116
739	for (@$data) {	1117	for (@$data) {
740	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
741		1119
742	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1136	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
760		1138
761	sync_job {	1139	sync_job {
762	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
765		1144
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1149	aio_close $fh;
771		1150
772	if (@$objs) {	1151	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1157	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
780	}	1159	}
781	} else {	1160	} else {
782	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
783	}	1162	}
…		…
788	}	1167	}
789	} else {	1168	} else {
790	aio_unlink $filename;	1169	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
792	}	1171	}
793	}	1172	};
794	}	1173	}
795		1174
796	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
798		1177
…		…
810	or return;	1189	or return;
811		1190
812	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
814	or return;	1193	or return;
		1194
815	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
816	}	1197	}
817		1198
		1199	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
820	return ($data, $av);	1203	($data, $av)
821	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
822		1211
823	#############################################################################	1212	#############################################################################
824	# command handling &c	1213	# command handling &c
825		1214
826	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1229	}
841		1230
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1232
844	Register a callbackf ro execution when the client sends an extcmd packet.	1233	Register a callback for execution when the client sends an (synchronous)
		1234	extcmd packet. Ext commands will be processed in the order they are
		1235	received by the server, like other user commands. The first argument is
		1236	the logged-in player. Ext commands can only be processed after a player
		1237	has logged in successfully.
845		1238
846	If the callback returns something, it is sent back as if reply was being	1239	If the callback returns something, it is sent back as if reply was being
847	called.	1240	called.
848		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
849	=cut	1253	=cut
850		1254
851	sub register_extcmd {	1255	sub register_extcmd {
852	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
853		1257
854	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
855	}	1265	}
856		1266
857	cf::player->attach (	1267	cf::player->attach (
858	on_command => sub {	1268	on_command => sub {
859	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1278	cf::override;
869	},	1279	},
870	on_extcmd => sub {	1280	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
872		1282
873	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1284
875	if (ref $msg) {	1285	if (ref $msg) {
		1286	my ($type, $reply, @payload) =
		1287	"ARRAY" eq ref $msg
		1288	? @$msg
		1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1290
		1291	my @reply;
		1292
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
881	} else {	1300	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1302	}
884		1303
885	cf::override;	1304	cf::override;
886	},	1305	},
887	);	1306	);
888		1307
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
924	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1313	next unless -r $path;
926	eval {	1314
927	load_extension $ext;	1315	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1316	my $base = $1;
		1317	my $pkg = $1;
		1318	$pkg =~ s/[^[:word:]]/_/g;
		1319	$pkg = "ext::$pkg";
		1320
		1321	open my $fh, "<:utf8", $path
		1322	or die "$path: $!";
		1323
		1324	my $source = do { local $/; <$fh> };
		1325
		1326	my %ext = (
		1327	path => $path,
		1328	base => $base,
		1329	pkg => $pkg,
		1330	);
		1331
		1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1334
		1335	$ext{source} =
		1336	"package $pkg; use strict; use utf8;\n"
		1337	. "#line 1 \"$path\"\n{\n"
		1338	. $source
		1339	. "\n};\n1";
		1340
		1341	$todo{$base} = \%ext;
		1342	}
		1343
		1344	my %done;
		1345	while (%todo) {
		1346	my $progress;
		1347
		1348	while (my ($k, $v) = each %todo) {
		1349	for (split /,\s*/, $v->{meta}{depends}) {
		1350	goto skip
		1351	unless exists $done{$_};
		1352	}
		1353
		1354	warn "... loading '$k' into '$v->{pkg}'\n";
		1355
		1356	unless (eval $v->{source}) {
		1357	my $msg = $@ ? "$v->{path}: $@\n"
		1358	: "$v->{base}: extension inactive.\n";
		1359
		1360	if (exists $v->{meta}{mandatory}) {
		1361	warn $msg;
		1362	cf::cleanup "mandatory extension failed to load, exiting.";
		1363	}
		1364
		1365	warn $msg;
		1366	}
		1367
		1368	$done{$k} = delete $todo{$k};
		1369	push @EXTS, $v->{pkg};
		1370	$progress = 1;
928	1	1371	}
929	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
930	}	1377	};
931	}	1378	}
932		1379
933	#############################################################################	1380	#############################################################################
934		1381
		1382	=back
		1383
935	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
936		1385
937	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
938		1387
939	=cut	1388	=cut
…		…
944		1393
945	=head3 cf::player	1394	=head3 cf::player
946		1395
947	=over 4	1396	=over 4
948		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
		1411
949	=item cf::player::find $login	1412	=item cf::player::find $login
950		1413
951	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
952		1415
953	=cut	1416	=cut
954		1417
955	sub playerdir($) {	1418	sub playerdir($) {
956	cf::localdir	1419	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1421	}
962		1422
963	sub path($) {	1423	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1454	aio_unlink +(playerdir $login) . "/$login.pl";
995		1455
996	my $pl = load_pl path $login	1456	my $f = new_from_file cf::object::thawer path $login
997	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461
		1462	local $cf::PLAYER_LOADING{$login} = $pl;
		1463	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
999	}	1465	}
1000	}	1466	}
1001	}	1467	}
1002		1468
…		…
1011	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
1012		1478
1013	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
1015		1481
		1482	cf::get_slot 0.01;
		1483
1016	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
1017	Coro::cede;	1485	cf::cede_to_tick;
1018	}	1486	}
1019		1487
1020	sub new($) {	1488	sub new($) {
1021	my ($login) = @_;	1489	my ($login) = @_;
1022		1490
…		…
1026	$self->{deny_save} = 1;	1494	$self->{deny_save} = 1;
1027		1495
1028	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1029		1497
1030	$self	1498	$self
		1499	}
		1500
		1501	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1502
		1503	=cut
		1504
		1505	sub send_msg {
		1506	my $ns = shift->ns
		1507	or return;
		1508	$ns->send_msg (@_);
1031	}	1509	}
1032		1510
1033	=item $pl->quit_character	1511	=item $pl->quit_character
1034		1512
1035	Nukes the player without looking back. If logged in, the connection will	1513	Nukes the player without looking back. If logged in, the connection will
…		…
1084	while and may block, so not sync_job-capable, ever.	1562	while and may block, so not sync_job-capable, ever.
1085		1563
1086	=cut	1564	=cut
1087		1565
1088	sub list_logins {	1566	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1567	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1568	or return [];
1091		1569
1092	my @logins;	1570	my @logins;
1093		1571
1094	for my $login (@$dirs) {	1572	for my $login (@$dirs) {
		1573	my $path = path $login;
		1574
		1575	# a .pst is a dead give-away for a valid player
		1576	# if no pst file found, open and chekc for blocked users
		1577	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1578	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1579	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1580	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1581	}
1098		1582
1099	utf8::decode $login;	1583	utf8::decode $login;
1100	push @logins, $login;	1584	push @logins, $login;
1101	}	1585	}
1102		1586
…		…
1129	}	1613	}
1130		1614
1131	\@paths	1615	\@paths
1132	}	1616	}
1133		1617
		1618	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1619
		1620	Expand crossfire pod fragments into protocol xml.
		1621
		1622	=cut
		1623
		1624	use re 'eval';
		1625
		1626	my $group;
		1627	my $interior; $interior = qr{
		1628	# match a pod interior sequence sans C<< >>
		1629	(?:
		1630	\ (.*?)\ (?{ $group = $^N })
		1631	| < (??{$interior}) >
		1632	)
		1633	}x;
		1634
		1635	sub expand_cfpod {
		1636	my ($self, $pod) = @_;
		1637
		1638	my $xml;
		1639
		1640	while () {
		1641	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1642	$group = $1;
		1643
		1644	$group =~ s/&/&amp;/g;
		1645	$group =~ s/</&lt;/g;
		1646
		1647	$xml .= $group;
		1648	} elsif ($pod =~ m%\G
		1649	([BCGHITU])
		1650	<
		1651	(?:
		1652	([^<>]*) (?{ $group = $^N })
		1653	| < $interior >
		1654	)
		1655	>
		1656	%gcsx
		1657	) {
		1658	my ($code, $data) = ($1, $group);
		1659
		1660	if ($code eq "B") {
		1661	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1662	} elsif ($code eq "I") {
		1663	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1664	} elsif ($code eq "U") {
		1665	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1666	} elsif ($code eq "C") {
		1667	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1668	} elsif ($code eq "T") {
		1669	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1670	} elsif ($code eq "G") {
		1671	my ($male, $female) = split /\|/, $data;
		1672	$data = $self->gender ? $female : $male;
		1673	$xml .= expand_cfpod ($self, $data);
		1674	} elsif ($code eq "H") {
		1675	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1676	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1677	"")
		1678	[$self->{hintmode}];
		1679	} else {
		1680	$xml .= "error processing '$code($data)' directive";
		1681	}
		1682	} else {
		1683	if ($pod =~ /\G(.+)/) {
		1684	warn "parse error while expanding $pod (at $1)";
		1685	}
		1686	last;
		1687	}
		1688	}
		1689
		1690	for ($xml) {
		1691	# create single paragraphs (very hackish)
		1692	s/(?<=\S)\n(?=\w)/ /g;
		1693
		1694	# compress some whitespace
		1695	s/\s+\n/\n/g; # ws line-ends
		1696	s/\n\n+/\n/g; # double lines
		1697	s/^\n+//; # beginning lines
		1698	s/\n+$//; # ending lines
		1699	}
		1700
		1701	$xml
		1702	}
		1703
		1704	no re 'eval';
		1705
		1706	sub hintmode {
		1707	$_[0]{hintmode} = $_[1] if @_ > 1;
		1708	$_[0]{hintmode}
		1709	}
		1710
1134	=item $player->ext_reply ($msgid, %msg)	1711	=item $player->ext_reply ($msgid, @msg)
1135		1712
1136	Sends an ext reply to the player.	1713	Sends an ext reply to the player.
1137		1714
1138	=cut	1715	=cut
1139		1716
1140	sub ext_reply($$%) {	1717	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1718	my ($self, $id, @msg) = @_;
1142		1719
1143	$msg{msgid} = $id;	1720	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1721	}
1147		1722
1148	=item $player->ext_event ($type, %msg)	1723	=item $player->ext_msg ($type, @msg)
1149		1724
1150	Sends an ext event to the client.	1725	Sends an ext event to the client.
1151		1726
1152	=cut	1727	=cut
1153		1728
1154	sub ext_event($$%) {	1729	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1730	my ($self, $type, @msg) = @_;
1156		1731
1157	$self->ns->ext_event ($type, %msg);	1732	$self->ns->ext_msg ($type, @msg);
1158	}	1733	}
1159		1734
1160	=head3 cf::region	1735	=head3 cf::region
1161		1736
1162	=over 4	1737	=over 4
…		…
1165		1740
1166	package cf::region;	1741	package cf::region;
1167		1742
1168	=item cf::region::find_by_path $path	1743	=item cf::region::find_by_path $path
1169		1744
1170	Tries to decuce the probable region for a map knowing only its path.	1745	Tries to decuce the likely region for a map knowing only its path.
1171		1746
1172	=cut	1747	=cut
1173		1748
1174	sub find_by_path($) {	1749	sub find_by_path($) {
1175	my ($path) = @_;	1750	my ($path) = @_;
1176		1751
1177	my ($match, $specificity);	1752	my ($match, $specificity);
1178		1753
1179	for my $region (list) {	1754	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1755	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1756	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1757	if $region->specificity > $specificity;
1183	}	1758	}
1184	}	1759	}
1185		1760
…		…
1206	our $MAX_RESET = 3600;	1781	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1782	our $DEFAULT_RESET = 3000;
1208		1783
1209	sub generate_random_map {	1784	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1785	my ($self, $rmp) = @_;
		1786
		1787	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1788
1211	# mit "rum" bekleckern, nicht	1789	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1790	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1793	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1249	my ($self, $merge) = @_;	1827	my ($self, $merge) = @_;
1250		1828
1251	# we have to keep some variables in memory intact	1829	# we have to keep some variables in memory intact
1252	local $self->{path};	1830	local $self->{path};
1253	local $self->{load_path};	1831	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1832
1257	$self->SUPER::thawer_merge ($merge);	1833	$self->SUPER::thawer_merge ($merge);
1258	}	1834	}
1259		1835
1260	sub normalise {	1836	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1883	$self->init; # pass $1 etc.
1308	return $self;	1884	return $self;
1309	}	1885	}
1310	}	1886	}
1311		1887
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1888	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1889	()
1314	}	1890	}
1315		1891
1316	sub init {	1892	sub init {
1317	my ($self) = @_;	1893	my ($self) = @_;
…		…
1332		1908
1333	# the original (read-only) location	1909	# the original (read-only) location
1334	sub load_path {	1910	sub load_path {
1335	my ($self) = @_;	1911	my ($self) = @_;
1336		1912
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1913	"$MAPDIR/$self->{path}.map"
1338	}	1914	}
1339		1915
1340	# the temporary/swap location	1916	# the temporary/swap location
1341	sub save_path {	1917	sub save_path {
1342	my ($self) = @_;	1918	my ($self) = @_;
1343		1919
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1920	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1921	"$TMPDIR/$path.map"
1346	}	1922	}
1347		1923
1348	# the unique path, undef == no special unique path	1924	# the unique path, undef == no special unique path
1349	sub uniq_path {	1925	sub uniq_path {
1350	my ($self) = @_;	1926	my ($self) = @_;
1351		1927
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1929	"$UNIQUEDIR/$path"
1354	}	1930	}
1355		1931
1356	# and all this just because we cannot iterate over	1932	# and all this just because we cannot iterate over
1357	# all maps in C++...	1933	# all maps in C++...
1358	sub change_all_map_light {	1934	sub change_all_map_light {
…		…
1360		1936
1361	$_->change_map_light ($change)	1937	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1938	for grep $_->outdoor, values %cf::MAP;
1363	}	1939	}
1364		1940
		1941	sub decay_objects {
		1942	my ($self) = @_;
		1943
		1944	return if $self->{deny_reset};
		1945
		1946	$self->do_decay_objects;
		1947	}
		1948
1365	sub unlink_save {	1949	sub unlink_save {
1366	my ($self) = @_;	1950	my ($self) = @_;
1367		1951
1368	utf8::encode (my $save = $self->save_path);	1952	utf8::encode (my $save = $self->save_path);
1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1953	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1372		1956
1373	sub load_header_from($) {	1957	sub load_header_from($) {
1374	my ($self, $path) = @_;	1958	my ($self, $path) = @_;
1375		1959
1376	utf8::encode $path;	1960	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1961	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1962	or return;
		1963
		1964	$self->_load_header ($f)
		1965	or return;
		1966
		1967	local $MAP_LOADING{$self->{path}} = $self;
		1968	$f->resolve_delayed_derefs;
1382		1969
1383	$self->{load_path} = $path;	1970	$self->{load_path} = $path;
1384		1971
1385	1	1972	1
1386	}	1973	}
…		…
1425	$self->load_header_orig	2012	$self->load_header_orig
1426	or return;	2013	or return;
1427	$self->prepare_orig;	2014	$self->prepare_orig;
1428	}	2015	}
1429		2016
		2017	$self->{deny_reset} = 1
		2018	if $self->no_reset;
		2019
1430	$self->default_region (cf::region::find_by_path $self->{path})	2020	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2021	unless $self->default_region;
1432		2022
1433	1	2023	1
1434	}	2024	}
…		…
1437	sub find {	2027	sub find {
1438	my ($path, $origin) = @_;	2028	my ($path, $origin) = @_;
1439		2029
1440	$path = normalise $path, $origin && $origin->path;	2030	$path = normalise $path, $origin && $origin->path;
1441		2031
		2032	cf::lock_wait "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2033	cf::lock_wait "map_find:$path";
1443		2034
1444	$cf::MAP{$path} || do {	2035	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";	2036	my $guard1 = cf::lock_acquire "map_find:$path";
		2037	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2038
1446	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1447	or return;	2040	or return;
1448		2041
1449	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1450		2043
1451	$map->load_header	2044	$map->load_header
1452	or return;	2045	or return;
1453		2046
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard1;
		2051	undef $guard2;
1457	$map->reset;	2052	$map->reset;
1458	undef $guard;
1459	return find $path;	2053	return find $path;
1460	}	2054	}
1461		2055
1462	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1463	}	2057	}
…		…
1470	my ($self) = @_;	2064	my ($self) = @_;
1471		2065
1472	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1473		2067
1474	my $path = $self->{path};	2068	my $path = $self->{path};
		2069
		2070	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1476		2072
		2073	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2075
1479	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1480		2077
1481	$self->alloc;	2078	$self->alloc;
1482		2079
1483	$self->pre_load;	2080	$self->pre_load;
1484	Coro::cede;	2081	cf::cede_to_tick;
1485		2082
1486	$self->_load_objects ($self->{load_path}, 1)	2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
		2085	$self->_load_objects ($f)
1487	or return;	2086	or return;
1488		2087
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490	if delete $self->{load_original};	2089	if delete $self->{load_original};
1491		2090
1492	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2092	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2095	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1497	}	2099	}
1498	}	2100	}
1499		2101
1500	Coro::cede;	2102	$f->resolve_delayed_derefs;
		2103
		2104	cf::cede_to_tick;
1501	# now do the right thing for maps	2105	# now do the right thing for maps
1502	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2108	unless $self->difficulty;
1513	Coro::cede;	2109	cf::cede_to_tick;
		2110
		2111	unless ($self->{deny_activate}) {
		2112	$self->decay_objects;
		2113	$self->fix_auto_apply;
		2114	$self->update_buttons;
		2115	cf::cede_to_tick;
		2116	$self->set_darkness_map;
		2117	cf::cede_to_tick;
1514	$self->activate;	2118	$self->activate;
1515	Coro::cede;	2119	}
		2120
		2121	$self->{last_save} = $cf::RUNTIME;
		2122	$self->last_access ($cf::RUNTIME);
		2123
		2124	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2125	}
1517		2126
1518	$self->post_load;	2127	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2128	}
1523		2129
1524	sub customise_for {	2130	sub customise_for {
1525	my ($self, $ob) = @_;	2131	my ($self, $ob) = @_;
1526		2132
1527	return find "~" . $ob->name . "/" . $self->{path}	2133	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2134	if $self->per_player;
1529		2135
		2136	# return find "?party/" . $ob->name . "/" . $self->{path}
		2137	# if $self->per_party;
		2138
1530	$self	2139	$self
1531	}	2140	}
1532		2141
1533	# find and load all maps in the 3x3 area around a map	2142	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2143	sub load_neighbours {
1535	my ($map) = @_;	2144	my ($map) = @_;
1536		2145
1537	my @diag; # diagonal neighbours	2146	my @neigh; # diagonal neighbours
1538		2147
1539	for (0 .. 3) {	2148	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2149	my $neigh = $map->tile_path ($_)
1541	or next;	2150	or next;
1542	$neigh = find $neigh, $map	2151	$neigh = find $neigh, $map
1543	or next;	2152	or next;
1544	$neigh->load;	2153	$neigh->load;
1545		2154
		2155	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2156	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2157	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2158	}
1549		2159
1550	for (@diag) {	2160	for (grep defined $_->[0], @neigh) {
		2161	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2162	my $neigh = find $path, $origin
1552	or next;	2163	or next;
1553	$neigh->load;	2164	$neigh->load;
1554	}	2165	}
1555	}	2166	}
1556		2167
…		…
1561	}	2172	}
1562		2173
1563	sub do_load_sync {	2174	sub do_load_sync {
1564	my ($map) = @_;	2175	my ($map) = @_;
1565		2176
		2177	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2178	if $Coro::current == $Coro::main;
		2179
1566	cf::sync_job { $map->load };	2180	cf::sync_job { $map->load };
1567	}	2181	}
1568		2182
1569	our %MAP_PREFETCH;	2183	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2184	our $MAP_PREFETCHER = undef;
1571		2185
1572	sub find_async {	2186	sub find_async {
1573	my ($path, $origin) = @_;	2187	my ($path, $origin, $load) = @_;
1574		2188
1575	$path = normalise $path, $origin && $origin->{path};	2189	$path = normalise $path, $origin && $origin->{path};
1576		2190
1577	if (my $map = $cf::MAP{$path}) {	2191	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2193	}
1580		2194
1581	undef $MAP_PREFETCH{$path};	2195	$MAP_PREFETCH{$path} |= $load;
		2196
1582	$MAP_PREFETCHER ||= cf::async {	2197	$MAP_PREFETCHER ||= cf::async {
		2198	$Coro::current->{desc} = "map prefetcher";
		2199
1583	while (%MAP_PREFETCH) {	2200	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2201	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2202	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2203	$map->load if $v;
		2204	}
1588		2205
1589	delete $MAP_PREFETCH{$path};	2206	delete $MAP_PREFETCH{$k};
1590	}	2207	}
1591	}	2208	}
1592	undef $MAP_PREFETCHER;	2209	undef $MAP_PREFETCHER;
1593	};	2210	};
1594	$MAP_PREFETCHER->prio (6);	2211	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2214	}
1598		2215
1599	sub save {	2216	sub save {
1600	my ($self) = @_;	2217	my ($self) = @_;
1601		2218
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2219	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2220
1604	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
1605		2222
1606	return unless $self->dirty;	2223	return unless $self->dirty;
1607		2224
…		…
1613	return if $self->{deny_save};	2230	return if $self->{deny_save};
1614		2231
1615	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
1616		2233
1617	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
1619	};	2237	};
		2238
		2239	cf::get_slot 0.02;
1620		2240
1621	if ($uniq) {	2241	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2244	} else {
…		…
1630	my ($self) = @_;	2250	my ($self) = @_;
1631		2251
1632	# save first because save cedes	2252	# save first because save cedes
1633	$self->save;	2253	$self->save;
1634		2254
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2256
1637	return if $self->players;	2257	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2258	return if $self->in_memory != cf::MAP_ACTIVE;
1639	return if $self->{deny_save};	2259	return if $self->{deny_save};
1640		2260
		2261	$self->in_memory (cf::MAP_SWAPPED);
		2262
		2263	$self->deactivate;
		2264	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2265	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2266	}
1644		2267
1645	sub reset_at {	2268	sub reset_at {
1646	my ($self) = @_;	2269	my ($self) = @_;
1647		2270
1648	# TODO: safety, remove and allow resettable per-player maps	2271	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2272	return 1e99 if $self->{deny_reset};
1651		2273
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2274	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2275	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2276
…		…
1665	my ($self) = @_;	2287	my ($self) = @_;
1666		2288
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2290
1669	return if $self->players;	2291	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2292
1672	warn "resetting map ", $self->path;#d#	2293	warn "resetting map ", $self->path;
1673		2294
1674	$self->in_memory (cf::MAP_SWAPPED);	2295	$self->in_memory (cf::MAP_SWAPPED);
1675		2296
1676	# need to save uniques path	2297	# need to save uniques path
1677	unless ($self->{deny_save}) {	2298	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2302	if $uniq;
1682	}	2303	}
1683		2304
1684	delete $cf::MAP{$self->path};	2305	delete $cf::MAP{$self->path};
1685		2306
		2307	$self->deactivate;
		2308	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2309	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2310
1690	$self->unlink_save;	2311	$self->unlink_save;
1691	$self->destroy;	2312	$self->destroy;
1692	}	2313	}
1693		2314
1694	my $nuke_counter = "aaaa";	2315	my $nuke_counter = "aaaa";
1695		2316
1696	sub nuke {	2317	sub nuke {
1697	my ($self) = @_;	2318	my ($self) = @_;
1698		2319
		2320	{
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
1699	delete $cf::MAP{$self->path};	2323	delete $cf::MAP{$self->path};
1700		2324
1701	$self->unlink_save;	2325	$self->unlink_save;
1702		2326
1703	bless $self, "cf::map";	2327	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2328	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2329	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2330	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2331	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2332
1709	$cf::MAP{$self->path} = $self;	2333	$cf::MAP{$self->path} = $self;
		2334	}
1710		2335
1711	$self->reset; # polite request, might not happen	2336	$self->reset; # polite request, might not happen
		2337	}
		2338
		2339	=item $maps = cf::map::tmp_maps
		2340
		2341	Returns an arrayref with all map paths of currently instantiated and saved
		2342	maps. May block.
		2343
		2344	=cut
		2345
		2346	sub tmp_maps() {
		2347	[
		2348	map {
		2349	utf8::decode $_;
		2350	/\.map$/
		2351	? normalise $_
		2352	: ()
		2353	} @{ aio_readdir $TMPDIR or [] }
		2354	]
		2355	}
		2356
		2357	=item $maps = cf::map::random_maps
		2358
		2359	Returns an arrayref with all map paths of currently instantiated and saved
		2360	random maps. May block.
		2361
		2362	=cut
		2363
		2364	sub random_maps() {
		2365	[
		2366	map {
		2367	utf8::decode $_;
		2368	/\.map$/
		2369	? normalise "?random/$_"
		2370	: ()
		2371	} @{ aio_readdir $RANDOMDIR or [] }
		2372	]
1712	}	2373	}
1713		2374
1714	=item cf::map::unique_maps	2375	=item cf::map::unique_maps
1715		2376
1716	Returns an arrayref of paths of all shared maps that have	2377	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2378	instantiated unique items. May block.
1718		2379
1719	=cut	2380	=cut
1720		2381
1721	sub unique_maps() {	2382	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2383	[
1723	or return;	2384	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2385	utf8::decode $_;
1729	next if /\.pst$/;	2386	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2387	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2388	? ()
1732	push @paths, cf::map::normalise $_;	2389	: normalise $_
		2390	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2391	]
1734
1735	\@paths
1736	}	2392	}
1737
1738	package cf;
1739		2393
1740	=back	2394	=back
1741		2395
1742	=head3 cf::object	2396	=head3 cf::object
1743		2397
…		…
1747		2401
1748	=over 4	2402	=over 4
1749		2403
1750	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
1751		2405
1752	Returns the inventory of the object _and_ their inventories, recursively.	2406	Returns the inventory of the object I<and> their inventories, recursively,
		2407	but I<not> the object itself.
1753		2408
1754	=cut	2409	=cut
1755		2410
1756	sub inv_recursive_;	2411	sub inv_recursive_;
1757	sub inv_recursive_ {	2412	sub inv_recursive_ {
1758	map { $_, inv_recursive_ $_->inv } @_	2413	map { $_, inv_recursive_ $_->inv } @_
1759	}	2414	}
1760		2415
1761	sub inv_recursive {	2416	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
		2418	}
		2419
		2420	=item $ref = $ob->ref
		2421
		2422	Creates and returns a persistent reference to an object that can be stored as a string.
		2423
		2424	=item $ob = cf::object::deref ($refstring)
		2425
		2426	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2427	even if the object actually exists. May block.
		2428
		2429	=cut
		2430
		2431	sub deref {
		2432	my ($ref) = @_;
		2433
		2434	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2435	my ($uuid, $name) = ($1, $2);
		2436	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2437	or return;
		2438	$pl->ob->uuid eq $uuid
		2439	or return;
		2440
		2441	$pl->ob
		2442	} else {
		2443	warn "$ref: cannot resolve object reference\n";
		2444	undef
		2445	}
1763	}	2446	}
1764		2447
1765	package cf;	2448	package cf;
1766		2449
1767	=back	2450	=back
…		…
1786		2469
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2470	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2471
1789	if ($self->{record_replies}) {	2472	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2473	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2474
1791	} else {	2475	} else {
		2476	my $pl = $self->contr;
		2477
		2478	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2479	my $dialog = $pl->{npc_dialog};
		2480	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2481
		2482	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2483	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2484	$self->message ($msg, $flags);
		2485	}
1794	}	2486	}
		2487	}
		2488
		2489	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2490
		2491	=cut
		2492
		2493	sub cf::object::send_msg {
		2494	my $pl = shift->contr
		2495	or return;
		2496	$pl->send_msg (@_);
1795	}	2497	}
1796		2498
1797	=item $player_object->may ("access")	2499	=item $player_object->may ("access")
1798		2500
1799	Returns wether the given player is authorized to access resource "access"	2501	Returns wether the given player is authorized to access resource "access"
…		…
1846	$self->deactivate_recursive;	2548	$self->deactivate_recursive;
1847		2549
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2550	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2551
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2552	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2553	if $self->map && $self->map->{path} ne "{link}";
1852		2554
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2555	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2556	}
1855		2557
1856	sub cf::object::player::leave_link {	2558	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2559	my ($self, $map, $x, $y) = @_;
		2560
		2561	return unless $self->contr->active;
1858		2562
1859	my $link_pos = delete $self->{_link_pos};	2563	my $link_pos = delete $self->{_link_pos};
1860		2564
1861	unless ($map) {	2565	unless ($map) {
1862	# restore original map position	2566	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2580	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2581	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2582	if $x <=0 && $y <= 0;
1879		2583
1880	$map->load;	2584	$map->load;
1881	$map->load_diag;	2585	$map->load_neighbours;
1882		2586
1883	return unless $self->contr->active;	2587	return unless $self->contr->active;
1884	$self->activate_recursive;	2588	$self->activate_recursive;
1885		2589
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2590	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2591	$self->enter_map ($map, $x, $y);
1888	}	2592	}
1889		2593
1890	cf::player->attach (	2594	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2595
1894	# abort map switching before logout	2596	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2597	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2598	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2599	the new (success) or old (failed) map position. In either case, $done will
1898	};	2600	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2601
1904	# try to abort aborted map switching on player login :)
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2602	=cut
		2603
		2604	our $GOTOGEN;
1925		2605
1926	sub cf::object::player::goto {	2606	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2607	my ($self, $path, $x, $y, $check, $done) = @_;
		2608
		2609	# do generation counting so two concurrent goto's will be executed in-order
		2610	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2611
1929	$self->enter_link;	2612	$self->enter_link;
1930		2613
1931	(async {	2614	(async {
		2615	$Coro::current->{desc} = "player::goto $path $x $y";
		2616
		2617	# *tag paths override both path and x|y
		2618	if ($path =~ /^\*(.*)$/) {
		2619	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2620	my $ob = $obs[rand @obs];
		2621
		2622	# see if we actually can go there
		2623	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2624	$ob = $obs[rand @obs];
		2625	} else {
		2626	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2627	}
		2628	# else put us there anyways for now #d#
		2629
		2630	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2631	} else {
		2632	($path, $x, $y) = (undef, undef, undef);
		2633	}
		2634	}
		2635
1932	my $map = eval {	2636	my $map = eval {
1933	my $map = cf::map::find $path;	2637	my $map = defined $path ? cf::map::find $path : undef;
		2638
		2639	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2640	$map = $map->customise_for ($self);
		2641	$map = $check->($map) if $check && $map;
		2642	} else {
		2643	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2644	}
		2645
1935	$map	2646	$map
		2647	};
		2648
		2649	if ($@) {
		2650	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2651	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2652	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2653
		2654	if ($gen == $self->{_goto_generation}) {
		2655	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2656	$self->leave_link ($map, $x, $y);
		2657	}
		2658
		2659	$done->() if $done;
1940	})->prio (1);	2660	})->prio (1);
1941	}	2661	}
1942		2662
1943	=item $player_object->enter_exit ($exit_object)	2663	=item $player_object->enter_exit ($exit_object)
1944		2664
…		…
1981	$rmp->{origin_y} = $exit->y;	2701	$rmp->{origin_y} = $exit->y;
1982	}	2702	}
1983		2703
1984	$rmp->{random_seed} ||= $exit->random_seed;	2704	$rmp->{random_seed} ||= $exit->random_seed;
1985		2705
1986	my $data = cf::to_json $rmp;	2706	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2707	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2708	my $meta = "$RANDOMDIR/$md5.meta";
1989		2709
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2710	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2711	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2712	undef $fh;
1993	aio_rename "$meta~", $meta;	2713	aio_rename "$meta~", $meta;
…		…
2013	my $hp = $exit->stats->hp;	2733	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;	2734	my $sp = $exit->stats->sp;
2015		2735
2016	$self->enter_link;	2736	$self->enter_link;
2017		2737
		2738	# if exit is damned, update players death & WoR home-position
		2739	$self->contr->savebed ($slaying, $hp, $sp)
		2740	if $exit->flag (FLAG_DAMNED);
		2741
2018	(async {	2742	(async {
		2743	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2744
2019	$self->deactivate_recursive; # just to be sure	2745	$self->deactivate_recursive; # just to be sure
2020	unless (eval {	2746	unless (eval {
2021	$self->goto ($slaying, $hp, $sp);	2747	$self->goto ($slaying, $hp, $sp);
2022		2748
2023	1;	2749	1;
…		…
2049		2775
2050	utf8::encode $text;	2776	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2777	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2778	}
2053		2779
		2780	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2781
		2782	Send a drawinfo or msg packet to the client, formatting the msg for the
		2783	client if neccessary. C<$type> should be a string identifying the type of
		2784	the message, with C<log> being the default. If C<$color> is negative, suppress
		2785	the message unless the client supports the msg packet.
		2786
		2787	=cut
		2788
		2789	# non-persistent channels (usually the info channel)
		2790	our %CHANNEL = (
		2791	"c/identify" => {
		2792	id => "infobox",
		2793	title => "Identify",
		2794	reply => undef,
		2795	tooltip => "Items recently identified",
		2796	},
		2797	"c/examine" => {
		2798	id => "infobox",
		2799	title => "Examine",
		2800	reply => undef,
		2801	tooltip => "Signs and other items you examined",
		2802	},
		2803	"c/book" => {
		2804	id => "infobox",
		2805	title => "Book",
		2806	reply => undef,
		2807	tooltip => "The contents of a note or book",
		2808	},
		2809	"c/lookat" => {
		2810	id => "infobox",
		2811	title => "Look",
		2812	reply => undef,
		2813	tooltip => "What you saw there",
		2814	},
		2815	"c/who" => {
		2816	id => "infobox",
		2817	title => "Players",
		2818	reply => undef,
		2819	tooltip => "Shows players who are currently online",
		2820	},
		2821	"c/body" => {
		2822	id => "infobox",
		2823	title => "Body Parts",
		2824	reply => undef,
		2825	tooltip => "Shows which body parts you posess and are available",
		2826	},
		2827	"c/uptime" => {
		2828	id => "infobox",
		2829	title => "Uptime",
		2830	reply => undef,
		2831	tooltip => "How long the server has been running since last restart",
		2832	},
		2833	"c/mapinfo" => {
		2834	id => "infobox",
		2835	title => "Map Info",
		2836	reply => undef,
		2837	tooltip => "Information related to the maps",
		2838	},
		2839	"c/party" => {
		2840	id => "party",
		2841	title => "Party",
		2842	reply => "gsay ",
		2843	tooltip => "Messages and chat related to your party",
		2844	},
		2845	);
		2846
		2847	sub cf::client::send_msg {
		2848	my ($self, $channel, $msg, $color, @extra) = @_;
		2849
		2850	$msg = $self->pl->expand_cfpod ($msg);
		2851
		2852	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2853
		2854	# check predefined channels, for the benefit of C
		2855	if ($CHANNEL{$channel}) {
		2856	$channel = $CHANNEL{$channel};
		2857
		2858	$self->ext_msg (channel_info => $channel)
		2859	if $self->can_msg;
		2860
		2861	$channel = $channel->{id};
		2862
		2863	} elsif (ref $channel) {
		2864	# send meta info to client, if not yet sent
		2865	unless (exists $self->{channel}{$channel->{id}}) {
		2866	$self->{channel}{$channel->{id}} = $channel;
		2867	$self->ext_msg (channel_info => $channel)
		2868	if $self->can_msg;
		2869	}
		2870
		2871	$channel = $channel->{id};
		2872	}
		2873
		2874	return unless @extra || length $msg;
		2875
		2876	if ($self->can_msg) {
		2877	# default colour, mask it out
		2878	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2879	if $color & cf::NDI_DEF;
		2880
		2881	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2882	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2883	} else {
		2884	if ($color >= 0) {
		2885	# replace some tags by gcfclient-compatible ones
		2886	for ($msg) {
		2887	1 while
		2888	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2889	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2890	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2891	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2892	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2893	}
		2894
		2895	$color &= cf::NDI_COLOR_MASK;
		2896
		2897	utf8::encode $msg;
		2898
		2899	if (0 && $msg =~ /\[/) {
		2900	# COMMAND/INFO
		2901	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2902	} else {
		2903	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2904	$self->send_packet ("drawinfo $color $msg")
		2905	}
		2906	}
		2907	}
		2908	}
		2909
2054	=item $client->ext_event ($type, %msg)	2910	=item $client->ext_msg ($type, @msg)
2055		2911
2056	Sends an exti event to the client.	2912	Sends an ext event to the client.
2057		2913
2058	=cut	2914	=cut
2059		2915
2060	sub cf::client::ext_event($$%) {	2916	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2917	my ($self, $type, @msg) = @_;
2062		2918
		2919	if ($self->extcmd == 2) {
		2920	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2921	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2922	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2923	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2924	}
		2925	}
		2926
		2927	=item $client->ext_reply ($msgid, @msg)
		2928
		2929	Sends an ext reply to the client.
		2930
		2931	=cut
		2932
		2933	sub cf::client::ext_reply($$@) {
		2934	my ($self, $id, @msg) = @_;
		2935
		2936	if ($self->extcmd == 2) {
		2937	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2938	} elsif ($self->extcmd == 1) {
		2939	#TODO: version 1, remove
		2940	unshift @msg, msgtype => "reply", msgid => $id;
		2941	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2942	}
2065	}	2943	}
2066		2944
2067	=item $success = $client->query ($flags, "text", \&cb)	2945	=item $success = $client->query ($flags, "text", \&cb)
2068		2946
2069	Queues a query to the client, calling the given callback with	2947	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2948	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2949	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2950
2073	Queries can fail, so check the return code. Or don't, as queries will become	2951	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2952	become reliable at some point in the future.
2075		2953
2076	=cut	2954	=cut
2077		2955
2078	sub cf::client::query {	2956	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2957	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2965	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2966	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2967
2090	$self->send_packet ($self->{query_queue}[0][0])	2968	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2969	if @{ $self->{query_queue} } == 1;
		2970
		2971	1
2092	}	2972	}
2093		2973
2094	cf::client->attach (	2974	cf::client->attach (
		2975	on_connect => sub {
		2976	my ($ns) = @_;
		2977
		2978	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2979	},
2095	on_reply => sub {	2980	on_reply => sub {
2096	my ($ns, $msg) = @_;	2981	my ($ns, $msg) = @_;
2097		2982
2098	# this weird shuffling is so that direct followup queries	2983	# this weird shuffling is so that direct followup queries
2099	# get handled first	2984	# get handled first
…		…
2111	} else {	2996	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2997	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2998	}
2114	}	2999	}
2115	},	3000	},
		3001	on_exticmd => sub {
		3002	my ($ns, $buf) = @_;
		3003
		3004	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3005
		3006	if (ref $msg) {
		3007	my ($type, $reply, @payload) =
		3008	"ARRAY" eq ref $msg
		3009	? @$msg
		3010	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3011
		3012	my @reply;
		3013
		3014	if (my $cb = $EXTICMD{$type}) {
		3015	@reply = $cb->($ns, @payload);
		3016	}
		3017
		3018	$ns->ext_reply ($reply, @reply)
		3019	if $reply;
		3020
		3021	} else {
		3022	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3023	}
		3024
		3025	cf::override;
		3026	},
2116	);	3027	);
2117		3028
2118	=item $client->async (\&cb)	3029	=item $client->async (\&cb)
2119		3030
2120	Create a new coroutine, running the specified callback. The coroutine will	3031	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	3072	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3073	our $safe_hole = new Safe::Hole;
2163		3074
2164	$SIG{FPE} = 'IGNORE';	3075	$SIG{FPE} = 'IGNORE';
2165		3076
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3077	$safe->permit_only (Opcode::opset qw(
		3078	:base_core :base_mem :base_orig :base_math
		3079	grepstart grepwhile mapstart mapwhile
		3080	sort time
		3081	));
2167		3082
2168	# here we export the classes and methods available to script code	3083	# here we export the classes and methods available to script code
2169		3084
2170	=pod	3085	=pod
2171		3086
2172	The following functions and methods are available within a safe environment:	3087	The following functions and methods are available within a safe environment:
2173		3088
2174	cf::object contr pay_amount pay_player map	3089	cf::object
		3090	contr pay_amount pay_player map x y force_find force_add destroy
		3091	insert remove name archname title slaying race decrease split
		3092
2175	cf::object::player player	3093	cf::object::player
2176	cf::player peaceful	3094	player
2177	cf::map trigger	3095
		3096	cf::player
		3097	peaceful
		3098
		3099	cf::map
		3100	trigger
2178		3101
2179	=cut	3102	=cut
2180		3103
2181	for (	3104	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3105	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3106	insert remove inv name archname title slaying race
		3107	decrease split destroy)],
2183	["cf::object::player" => qw(player)],	3108	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3109	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	3110	["cf::map" => qw(trigger)],
2186	) {	3111	) {
2187	no strict 'refs';	3112	no strict 'refs';
…		…
2258	=back	3183	=back
2259		3184
2260	=cut	3185	=cut
2261		3186
2262	#############################################################################	3187	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	3188	# the server's init and main functions
2336		3189
2337	sub load_facedata {	3190	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3191	my ($path) = @_;
		3192
		3193	# HACK to clear player env face cache, we need some signal framework
		3194	# for this (global event?)
		3195	%ext::player_env::MUSIC_FACE_CACHE = ();
		3196
		3197	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		3198
2340	warn "loading facedata from $path\n";	3199	warn "loading facedata from $path\n";
2341		3200
2342	my $facedata;	3201	my $facedata;
2343	0 < aio_load $path, $facedata	3202	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3205	$facedata = Coro::Storable::thaw $facedata;
2347		3206
2348	$facedata->{version} == 2	3207	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3208	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3209
		3210	# patch in the exptable
		3211	$facedata->{resource}{"res/exp_table"} = {
		3212	type => FT_RSRC,
		3213	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3214	};
		3215	cf::cede_to_tick;
		3216
2351	{	3217	{
2352	my $faces = $facedata->{faceinfo};	3218	my $faces = $facedata->{faceinfo};
2353		3219
2354	while (my ($face, $info) = each %$faces) {	3220	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3221	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3222
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3223	cf::face::set_visibility $idx, $info->{visibility};
		3224	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3225	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3226	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3227
		3228	cf::cede_to_tick;
2360	}	3229	}
2361		3230
2362	while (my ($face, $info) = each %$faces) {	3231	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3232	next unless $info->{smooth};
		3233
2364	my $idx = cf::face::find $face	3234	my $idx = cf::face::find $face
2365	or next;	3235	or next;
		3236
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3237	if (my $smooth = cf::face::find $info->{smooth}) {
		3238	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3239	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3240	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3241	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3242	}
2371	Coro::cede;	3243
		3244	cf::cede_to_tick;
2372	}	3245	}
2373	}	3246	}
2374		3247
2375	{	3248	{
2376	my $anims = $facedata->{animinfo};	3249	my $anims = $facedata->{animinfo};
2377		3250
2378	while (my ($anim, $info) = each %$anims) {	3251	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3252	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3253	cf::cede_to_tick;
2381	}	3254	}
2382		3255
2383	cf::anim::invalidate_all; # d'oh	3256	cf::anim::invalidate_all; # d'oh
2384	}	3257	}
2385		3258
		3259	{
		3260	# TODO: for gcfclient pleasure, we should give resources
		3261	# that gcfclient doesn't grok a >10000 face index.
		3262	my $res = $facedata->{resource};
		3263
		3264	while (my ($name, $info) = each %$res) {
		3265	if (defined $info->{type}) {
		3266	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3267	my $data;
		3268
		3269	if ($info->{type} & 1) {
		3270	# prepend meta info
		3271
		3272	my $meta = $enc->encode ({
		3273	name => $name,
		3274	%{ $info->{meta} || {} },
		3275	});
		3276
		3277	$data = pack "(w/a*)*", $meta, $info->{data};
		3278	} else {
		3279	$data = $info->{data};
		3280	}
		3281
		3282	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3283	cf::face::set_type $idx, $info->{type};
		3284	} else {
		3285	$RESOURCE{$name} = $info;
		3286	}
		3287
		3288	cf::cede_to_tick;
		3289	}
		3290	}
		3291
		3292	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3293
2386	1	3294	1
2387	}	3295	}
2388		3296
2389	our $archetypes_loaded;	3297	cf::global->attach (on_resource_update => sub {
		3298	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3299	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
2390		3300
		3301	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3302	my $sound = $soundconf->{compat}[$_]
		3303	or next;
		3304
		3305	my $face = cf::face::find "sound/$sound->[1]";
		3306	cf::sound::set $sound->[0] => $face;
		3307	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3308	}
		3309
		3310	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3311	my $face = cf::face::find "sound/$v";
		3312	cf::sound::set $k => $face;
		3313	}
		3314	}
		3315	});
		3316
		3317	register_exticmd fx_want => sub {
		3318	my ($ns, $want) = @_;
		3319
		3320	while (my ($k, $v) = each %$want) {
		3321	$ns->fx_want ($k, $v);
		3322	}
		3323	};
		3324
		3325	sub load_resource_file($) {
		3326	my $guard = lock_acquire "load_resource_file";
		3327
		3328	my $status = load_resource_file_ $_[0];
		3329	get_slot 0.1, 100;
		3330	cf::arch::commit_load;
		3331
		3332	$status
		3333	}
		3334
		3335	sub reload_regions {
		3336	# HACK to clear player env face cache, we need some signal framework
		3337	# for this (global event?)
		3338	%ext::player_env::MUSIC_FACE_CACHE = ();
		3339
		3340	load_resource_file "$MAPDIR/regions"
		3341	or die "unable to load regions file\n";
		3342
		3343	for (cf::region::list) {
		3344	$_->{match} = qr/$_->{match}/
		3345	if exists $_->{match};
		3346	}
		3347	}
		3348
		3349	sub reload_facedata {
		3350	load_facedata "$DATADIR/facedata"
		3351	or die "unable to load facedata\n";
		3352	}
		3353
2391	sub load_archetypes {	3354	sub reload_archetypes {
2392	return 1 if $archetypes_loaded++; # current can only load them once	3355	load_resource_file "$DATADIR/archetypes"
2393	# load_archetype_file sprintf "%s/archetypes", cf::datadir;	3356	or die "unable to load archetypes\n";
2394	load_archetype_file sprintf "%s/archetypes", cf::datadir
2395	}	3357	}
2396		3358
2397	sub load_treasures {	3359	sub reload_treasures {
2398	load_treasure_file sprintf "%s/treasures", cf::datadir	3360	load_resource_file "$DATADIR/treasures"
		3361	or die "unable to load treasurelists\n";
2399	}	3362	}
2400		3363
2401	sub reload_resources {	3364	sub reload_resources {
2402	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3365	warn "reloading resource files...\n";
2403	or die "unable to load regions file\n";	3366
2404	load_facedata	3367	reload_facedata;
2405	or die "unable to load facedata\n";
2406	load_archetypes	3368	reload_archetypes;
2407	or die "unable to load archetypes\n";	3369	reload_regions;
2408	load_treasures	3370	reload_treasures;
2409	or die "unable to load treasurelists\n";	3371
		3372	warn "finished reloading resource files\n";
2410	}	3373	}
2411		3374
2412	sub init {	3375	sub init {
		3376	my $guard = freeze_mainloop;
		3377
2413	reload_resources;	3378	reload_resources;
2414	}	3379	}
2415		3380
2416	sub cfg_load {	3381	sub reload_config {
2417	open my $fh, "<:utf8", cf::confdir . "/config"	3382	open my $fh, "<:utf8", "$CONFDIR/config"
2418	or return;	3383	or return;
2419		3384
2420	local $/;	3385	local $/;
2421	*CFG = YAML::Syck::Load <$fh>;	3386	*CFG = YAML::Load <$fh>;
2422		3387
2423	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3388	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2424		3389
2425	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3390	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2426	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3391	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2437	sub main {	3402	sub main {
2438	# we must not ever block the main coroutine	3403	# we must not ever block the main coroutine
2439	local $Coro::idle = sub {	3404	local $Coro::idle = sub {
2440	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3405	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2441	(async {	3406	(async {
2442	Event::one_event;	3407	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3408	EV::loop EV::LOOP_ONESHOT;
2443	})->prio (Coro::PRIO_MAX);	3409	})->prio (Coro::PRIO_MAX);
2444	};	3410	};
2445		3411
2446	cfg_load;	3412	{
		3413	my $guard = freeze_mainloop;
		3414	reload_config;
2447	db_init;	3415	db_init;
2448	load_extensions;	3416	load_extensions;
2449		3417
2450	$TICK_WATCHER->start;	3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419	evthread_start IO::AIO::poll_fileno;
		3420	}
		3421
2451	Event::loop;	3422	EV::loop;
2452	}	3423	}
2453		3424
2454	#############################################################################	3425	#############################################################################
2455	# initialisation and cleanup	3426	# initialisation and cleanup
2456		3427
2457	# install some emergency cleanup handlers	3428	# install some emergency cleanup handlers
2458	BEGIN {	3429	BEGIN {
		3430	our %SIGWATCHER = ();
2459	for my $signal (qw(INT HUP TERM)) {	3431	for my $signal (qw(INT HUP TERM)) {
2460	Event->signal (	3432	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2461	reentrant => 0,
2462	data => WF_AUTOCANCEL,
2463	signal => $signal,
2464	prio => 0,
2465	cb => sub {
2466	cf::cleanup "SIG$signal";	3433	cf::cleanup "SIG$signal";
2467	},
2468	);	3434	};
		3435	}
		3436	}
		3437
		3438	sub write_runtime_sync {
		3439	my $runtime = "$LOCALDIR/runtime";
		3440
		3441	# first touch the runtime file to show we are still running:
		3442	# the fsync below can take a very very long time.
		3443
		3444	IO::AIO::aio_utime $runtime, undef, undef;
		3445
		3446	my $guard = cf::lock_acquire "write_runtime";
		3447
		3448	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3449	or return;
		3450
		3451	my $value = $cf::RUNTIME + 90 + 10;
		3452	# 10 is the runtime save interval, for a monotonic clock
		3453	# 60 allows for the watchdog to kill the server.
		3454
		3455	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3456	and return;
		3457
		3458	# always fsync - this file is important
		3459	aio_fsync $fh
		3460	and return;
		3461
		3462	# touch it again to show we are up-to-date
		3463	aio_utime $fh, undef, undef;
		3464
		3465	close $fh
		3466	or return;
		3467
		3468	aio_rename "$runtime~", $runtime
		3469	and return;
		3470
		3471	warn "runtime file written.\n";
		3472
2469	}	3473	1
		3474	}
		3475
		3476	our $uuid_lock;
		3477	our $uuid_skip;
		3478
		3479	sub write_uuid_sync($) {
		3480	$uuid_skip ||= $_[0];
		3481
		3482	return if $uuid_lock;
		3483	local $uuid_lock = 1;
		3484
		3485	my $uuid = "$LOCALDIR/uuid";
		3486
		3487	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3488	or return;
		3489
		3490	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3491	$uuid_skip = 0;
		3492
		3493	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3494	and return;
		3495
		3496	# always fsync - this file is important
		3497	aio_fsync $fh
		3498	and return;
		3499
		3500	close $fh
		3501	or return;
		3502
		3503	aio_rename "$uuid~", $uuid
		3504	and return;
		3505
		3506	warn "uuid file written ($value).\n";
		3507
		3508	1
		3509
		3510	}
		3511
		3512	sub write_uuid($$) {
		3513	my ($skip, $sync) = @_;
		3514
		3515	$sync ? write_uuid_sync $skip
		3516	: async { write_uuid_sync $skip };
2470	}	3517	}
2471		3518
2472	sub emergency_save() {	3519	sub emergency_save() {
2473	my $freeze_guard = cf::freeze_mainloop;	3520	my $freeze_guard = cf::freeze_mainloop;
2474		3521
…		…
2480	# and maps saved/destroyed asynchronously.	3527	# and maps saved/destroyed asynchronously.
2481	warn "begin emergency player save\n";	3528	warn "begin emergency player save\n";
2482	for my $login (keys %cf::PLAYER) {	3529	for my $login (keys %cf::PLAYER) {
2483	my $pl = $cf::PLAYER{$login} or next;	3530	my $pl = $cf::PLAYER{$login} or next;
2484	$pl->valid or next;	3531	$pl->valid or next;
		3532	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2485	$pl->save;	3533	$pl->save;
2486	}	3534	}
2487	warn "end emergency player save\n";	3535	warn "end emergency player save\n";
2488		3536
2489	warn "begin emergency map save\n";	3537	warn "begin emergency map save\n";
…		…
2495	warn "end emergency map save\n";	3543	warn "end emergency map save\n";
2496		3544
2497	warn "begin emergency database checkpoint\n";	3545	warn "begin emergency database checkpoint\n";
2498	BDB::db_env_txn_checkpoint $DB_ENV;	3546	BDB::db_env_txn_checkpoint $DB_ENV;
2499	warn "end emergency database checkpoint\n";	3547	warn "end emergency database checkpoint\n";
		3548
		3549	warn "begin write uuid\n";
		3550	write_uuid_sync 1;
		3551	warn "end write uuid\n";
2500	};	3552	};
2501		3553
2502	warn "leave emergency perl save\n";	3554	warn "leave emergency perl save\n";
2503	}	3555	}
2504		3556
…		…
2507		3559
2508	warn Carp::longmess "post_cleanup backtrace"	3560	warn Carp::longmess "post_cleanup backtrace"
2509	if $make_core;	3561	if $make_core;
2510	}	3562	}
2511		3563
2512	sub reload() {	3564	sub do_reload_perl() {
2513	# can/must only be called in main	3565	# can/must only be called in main
2514	if ($Coro::current != $Coro::main) {	3566	if ($Coro::current != $Coro::main) {
2515	warn "can only reload from main coroutine";	3567	warn "can only reload from main coroutine";
2516	return;	3568	return;
2517	}	3569	}
…		…
2519	warn "reloading...";	3571	warn "reloading...";
2520		3572
2521	warn "entering sync_job";	3573	warn "entering sync_job";
2522		3574
2523	cf::sync_job {	3575	cf::sync_job {
2524	cf::write_runtime; # external watchdog should not bark	3576	cf::write_runtime_sync; # external watchdog should not bark
2525	cf::emergency_save;	3577	cf::emergency_save;
2526	cf::write_runtime; # external watchdog should not bark	3578	cf::write_runtime_sync; # external watchdog should not bark
2527		3579
2528	warn "syncing database to disk";	3580	warn "syncing database to disk";
2529	BDB::db_env_txn_checkpoint $DB_ENV;	3581	BDB::db_env_txn_checkpoint $DB_ENV;
2530		3582
2531	# if anything goes wrong in here, we should simply crash as we already saved	3583	# if anything goes wrong in here, we should simply crash as we already saved
2532
2533	warn "cancelling all WF_AUTOCANCEL watchers";
2534	for (Event::all_watchers) {
2535	$_->cancel if $_->data & WF_AUTOCANCEL;
2536	}
2537		3584
2538	warn "flushing outstanding aio requests";	3585	warn "flushing outstanding aio requests";
2539	for (;;) {	3586	for (;;) {
2540	BDB::flush;	3587	BDB::flush;
2541	IO::AIO::flush;	3588	IO::AIO::flush;
2542	Coro::cede;	3589	Coro::cede_notself;
2543	last unless IO::AIO::nreqs || BDB::nreqs;	3590	last unless IO::AIO::nreqs || BDB::nreqs;
2544	warn "iterate...";	3591	warn "iterate...";
2545	}	3592	}
2546		3593
2547	++$RELOAD;	3594	++$RELOAD;
…		…
2551	%EXT_CORO = ();	3598	%EXT_CORO = ();
2552		3599
2553	warn "removing commands";	3600	warn "removing commands";
2554	%COMMAND = ();	3601	%COMMAND = ();
2555		3602
2556	warn "removing ext commands";	3603	warn "removing ext/exti commands";
2557	%EXTCMD = ();	3604	%EXTCMD = ();
		3605	%EXTICMD = ();
2558		3606
2559	warn "unloading/nuking all extensions";	3607	warn "unloading/nuking all extensions";
2560	for my $pkg (@EXTS) {	3608	for my $pkg (@EXTS) {
2561	warn "... unloading $pkg";	3609	warn "... unloading $pkg";
2562		3610
…		…
2592	Symbol::delete_package "safe::$_"	3640	Symbol::delete_package "safe::$_"
2593	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3641	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2594		3642
2595	warn "unloading cf.pm \"a bit\"";	3643	warn "unloading cf.pm \"a bit\"";
2596	delete $INC{"cf.pm"};	3644	delete $INC{"cf.pm"};
		3645	delete $INC{"cf/pod.pm"};
2597		3646
2598	# don't, removes xs symbols, too,	3647	# don't, removes xs symbols, too,
2599	# and global variables created in xs	3648	# and global variables created in xs
2600	#Symbol::delete_package __PACKAGE__;	3649	#Symbol::delete_package __PACKAGE__;
2601		3650
…		…
2604	warn "reloading cf.pm";	3653	warn "reloading cf.pm";
2605	require cf;	3654	require cf;
2606	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3655	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2607		3656
2608	warn "loading config and database again";	3657	warn "loading config and database again";
2609	cf::cfg_load;	3658	cf::reload_config;
2610		3659
2611	warn "loading extensions";	3660	warn "loading extensions";
2612	cf::load_extensions;	3661	cf::load_extensions;
2613		3662
2614	warn "reattaching attachments to objects/players";	3663	warn "reattaching attachments to objects/players";
…		…
2616	warn "reattaching attachments to maps";	3665	warn "reattaching attachments to maps";
2617	reattach $_ for values %MAP;	3666	reattach $_ for values %MAP;
2618	warn "reattaching attachments to players";	3667	warn "reattaching attachments to players";
2619	reattach $_ for values %PLAYER;	3668	reattach $_ for values %PLAYER;
2620		3669
2621	warn "loading reloadable resources";
2622	reload_resources;
2623
2624	warn "leaving sync_job";	3670	warn "leaving sync_job";
2625		3671
2626	1	3672	1
2627	} or do {	3673	} or do {
2628	warn $@;	3674	warn $@;
2629	warn "error while reloading, exiting.";	3675	cf::cleanup "error while reloading, exiting.";
2630	exit 1;
2631	};	3676	};
2632		3677
2633	warn "reloaded";	3678	warn "reloaded";
2634	};	3679	};
2635		3680
2636	our $RELOAD_WATCHER; # used only during reload	3681	our $RELOAD_WATCHER; # used only during reload
2637		3682
		3683	sub reload_perl() {
		3684	# doing reload synchronously and two reloads happen back-to-back,
		3685	# coro crashes during coro_state_free->destroy here.
		3686
		3687	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3688	do_reload_perl;
		3689	undef $RELOAD_WATCHER;
		3690	};
		3691	}
		3692
2638	register_command "reload" => sub {	3693	register_command "reload" => sub {
2639	my ($who, $arg) = @_;	3694	my ($who, $arg) = @_;
2640		3695
2641	if ($who->flag (FLAG_WIZ)) {	3696	if ($who->flag (FLAG_WIZ)) {
2642	$who->message ("reloading server.");	3697	$who->message ("reloading server.");
2643		3698	async {
2644	# doing reload synchronously and two reloads happen back-to-back,	3699	$Coro::current->{desc} = "perl_reload";
2645	# coro crashes during coro_state_free->destroy here.
2646
2647	$RELOAD_WATCHER ||= Event->timer (
2648	reentrant => 0,
2649	after => 0,
2650	data => WF_AUTOCANCEL,
2651	cb => sub {
2652	reload;	3700	reload_perl;
2653	undef $RELOAD_WATCHER;
2654	},
2655	);	3701	};
2656	}	3702	}
2657	};	3703	};
2658		3704
2659	unshift @INC, $LIBDIR;	3705	unshift @INC, $LIBDIR;
2660		3706
…		…
2662		3708
2663	our @WAIT_FOR_TICK;	3709	our @WAIT_FOR_TICK;
2664	our @WAIT_FOR_TICK_BEGIN;	3710	our @WAIT_FOR_TICK_BEGIN;
2665		3711
2666	sub wait_for_tick {	3712	sub wait_for_tick {
2667	return unless $TICK_WATCHER->is_active;
2668	return if $Coro::current == $Coro::main;	3713	return if tick_inhibit || $Coro::current == $Coro::main;
2669		3714
2670	my $signal = new Coro::Signal;	3715	my $signal = new Coro::Signal;
2671	push @WAIT_FOR_TICK, $signal;	3716	push @WAIT_FOR_TICK, $signal;
2672	$signal->wait;	3717	$signal->wait;
2673	}	3718	}
2674		3719
2675	sub wait_for_tick_begin {	3720	sub wait_for_tick_begin {
2676	return unless $TICK_WATCHER->is_active;
2677	return if $Coro::current == $Coro::main;	3721	return if tick_inhibit || $Coro::current == $Coro::main;
2678		3722
2679	my $signal = new Coro::Signal;	3723	my $signal = new Coro::Signal;
2680	push @WAIT_FOR_TICK_BEGIN, $signal;	3724	push @WAIT_FOR_TICK_BEGIN, $signal;
2681	$signal->wait;	3725	$signal->wait;
2682	}	3726	}
2683		3727
2684	$TICK_WATCHER = Event->timer (	3728	sub tick {
2685	reentrant => 0,
2686	parked => 1,
2687	prio => 0,
2688	at => $NEXT_TICK || $TICK,
2689	data => WF_AUTOCANCEL,
2690	cb => sub {
2691	if ($Coro::current != $Coro::main) {	3729	if ($Coro::current != $Coro::main) {
2692	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3730	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2693	unless ++$bug_warning > 10;	3731	unless ++$bug_warning > 10;
2694	return;	3732	return;
2695	}	3733	}
2696		3734
2697	$NOW = Event::time;
2698
2699	cf::server_tick; # one server iteration	3735	cf::server_tick; # one server iteration
2700	$RUNTIME += $TICK;
2701	$NEXT_TICK += $TICK;
2702		3736
2703	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3737	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2704	$NEXT_RUNTIME_WRITE = $NOW + 10;	3738	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2705	Coro::async_pool {	3739	Coro::async_pool {
		3740	$Coro::current->{desc} = "runtime saver";
2706	write_runtime	3741	write_runtime_sync
2707	or warn "ERROR: unable to write runtime file: $!";	3742	or warn "ERROR: unable to write runtime file: $!";
2708	};
2709	}	3743	};
		3744	}
2710		3745
2711	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3746	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2712	$sig->send;	3747	$sig->send;
2713	}	3748	}
2714	while (my $sig = shift @WAIT_FOR_TICK) {	3749	while (my $sig = shift @WAIT_FOR_TICK) {
2715	$sig->send;	3750	$sig->send;
2716	}
2717
2718	# my $AFTER = Event::time;
2719	# warn $AFTER - $NOW;#d#
2720
2721	# if we are delayed by four ticks or more, skip them all
2722	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2723
2724	$TICK_WATCHER->at ($NEXT_TICK);
2725	$TICK_WATCHER->start;
2726	},	3751	}
2727	);	3752
		3753	$LOAD = ($NOW - $TICK_START) / $TICK;
		3754	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3755
		3756	if (0) {
		3757	if ($NEXT_TICK) {
		3758	my $jitter = $TICK_START - $NEXT_TICK;
		3759	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3760	warn "jitter $JITTER\n";#d#
		3761	}
		3762	}
		3763	}
2728		3764
2729	{	3765	{
2730	BDB::max_poll_time $TICK * 0.1;	3766	# configure BDB
2731	$BDB_POLL_WATCHER = Event->io (	3767
2732	reentrant => 0,
2733	fd => BDB::poll_fileno,
2734	poll => 'r',
2735	prio => 0,
2736	data => WF_AUTOCANCEL,
2737	cb => \&BDB::poll_cb,
2738	);
2739	BDB::min_parallel 8;	3768	BDB::min_parallel 8;
2740		3769	BDB::max_poll_reqs $TICK * 0.1;
2741	BDB::set_sync_prepare {	3770	$Coro::BDB::WATCHER->priority (1);
2742	my $status;
2743	my $current = $Coro::current;
2744	(
2745	sub {
2746	$status = $!;
2747	$current->ready; undef $current;
2748	},
2749	sub {
2750	Coro::schedule while defined $current;
2751	$! = $status;
2752	},
2753	)
2754	};
2755		3771
2756	unless ($DB_ENV) {	3772	unless ($DB_ENV) {
2757	$DB_ENV = BDB::db_env_create;	3773	$DB_ENV = BDB::db_env_create;
		3774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3775	| BDB::LOG_AUTOREMOVE, 1);
		3776	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3777	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2758		3778
2759	cf::sync_job {	3779	cf::sync_job {
2760	eval {	3780	eval {
2761	BDB::db_env_open	3781	BDB::db_env_open
2762	$DB_ENV,	3782	$DB_ENV,
2763	$BDB_ENV_DIR,	3783	$BDBDIR,
2764	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3784	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2765	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3785	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2766	0666;	3786	0666;
2767		3787
2768	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3788	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2769
2770	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2771	$DB_ENV->set_lk_detect;
2772	};	3789	};
2773		3790
2774	cf::cleanup "db_env_open(db): $@" if $@;	3791	cf::cleanup "db_env_open(db): $@" if $@;
2775	};	3792	};
2776	}	3793	}
		3794
		3795	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3796	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3797	};
		3798	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3799	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3800	};
		3801	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3802	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3803	};
2777	}	3804	}
2778		3805
2779	{	3806	{
		3807	# configure IO::AIO
		3808
2780	IO::AIO::min_parallel 8;	3809	IO::AIO::min_parallel 8;
2781
2782	undef $Coro::AIO::WATCHER;
2783	IO::AIO::max_poll_time $TICK * 0.1;	3810	IO::AIO::max_poll_time $TICK * 0.1;
2784	$AIO_POLL_WATCHER = Event->io (	3811	$Coro::AIO::WATCHER->priority (1);
2785	reentrant => 0,
2786	data => WF_AUTOCANCEL,
2787	fd => IO::AIO::poll_fileno,
2788	poll => 'r',
2789	prio => 6,
2790	cb => \&IO::AIO::poll_cb,
2791	);
2792	}	3812	}
		3813
		3814	my $_log_backtrace;
		3815
		3816	sub _log_backtrace {
		3817	my ($msg, @addr) = @_;
		3818
		3819	$msg =~ s/\n//;
		3820
		3821	# limit the # of concurrent backtraces
		3822	if ($_log_backtrace < 2) {
		3823	++$_log_backtrace;
		3824	async {
		3825	$Coro::current->{desc} = "abt $msg";
		3826
		3827	my @bt = fork_call {
		3828	@addr = map { sprintf "%x", $_ } @addr;
		3829	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3830	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3831	or die "addr2line: $!";
		3832
		3833	my @funcs;
		3834	my @res = <$fh>;
		3835	chomp for @res;
		3836	while (@res) {
		3837	my ($func, $line) = splice @res, 0, 2, ();
		3838	push @funcs, "[$func] $line";
		3839	}
		3840
		3841	@funcs
		3842	};
		3843
		3844	LOG llevInfo, "[ABT] $msg\n";
		3845	LOG llevInfo, "[ABT] $_\n" for @bt;
		3846	--$_log_backtrace;
		3847	};
		3848	} else {
		3849	LOG llevInfo, "[ABT] $msg\n";
		3850	LOG llevInfo, "[ABT] [suppressed]\n";
		3851	}
		3852	}
		3853
		3854	# load additional modules
		3855	use cf::pod;
2793		3856
2794	END { cf::emergency_save }	3857	END { cf::emergency_save }
2795		3858
2796	1	3859	1
2797		3860

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