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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.186 by root, Sat Jan 20 01:12:39 2007 UTC vs.
Revision 1.430 by root, Sun May 4 14:12:37 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV 3.2;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
12		35
13	use Coro 3.4 ();	36	use Coro 4.50 ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::EV;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
18	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
		45	use Coro::Storable;
		46	use Coro::Util ();
19		47
		48	use JSON::XS 2.01 ();
		49	use BDB ();
20	use Data::Dumper;	50	use Data::Dumper;
21	use Digest::MD5;	51	use Digest::MD5;
22	use Fcntl;	52	use Fcntl;
		53	use YAML ();
23	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
24	use YAML::Syck ();
25	use Time::HiRes;	55	use Time::HiRes;
		56	use Compress::LZF;
		57	use Digest::MD5 ();
26		58
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	59	# configure various modules to our taste
		60	#
		61	$Storable::canonical = 1; # reduce rsync transfers
		62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		64
		65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		66
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		68
36	our %COMMAND = ();	69	our %COMMAND = ();
37	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
38		71
39	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
43		77
		78	our $RELOAD; # number of reloads so far
44	our @EVENT;	79	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		80
47	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
48	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(!)
49	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	97	our $NEXT_TICK;
52	our $NOW;	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
		99
		100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
		104	our $DB_ENV;
53		105
54	our %CFG;	106	our %CFG;
55		107
56	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
58		111
59	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		115
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $TICK_START; # for load detecting purposes
		123
70	binmode STDOUT;	124	binmode STDOUT;
71	binmode STDERR;	125	binmode STDERR;
72		126
73	# read virtual server time, if available	127	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
78	}	132	}
79		133
80	mkdir cf::localdir;	134	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		136
86	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
		138
		139	sub cf::map::normalise;
87		140
88	#############################################################################	141	#############################################################################
89		142
90	=head2 GLOBAL VARIABLES	143	=head2 GLOBAL VARIABLES
91		144
…		…
98	=item $cf::RUNTIME	151	=item $cf::RUNTIME
99		152
100	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
101	every server tick.	154	every server tick.
102		155
103	=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
104		159
105	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		164
108	=item $cf::NOW	165	=item $cf::NOW
109		166
110	The time of the last (current) server tick.	167	The time of the last (current) server tick.
111		168
112	=item $cf::TICK	169	=item $cf::TICK
113		170
114	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
115		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
116	=item %cf::CFG	183	=item %cf::CFG
117		184
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	186	from wherever your confdir points to.
120		187
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		189
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	191	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
127		199
128	=back	200	=back
129		201
130	=cut	202	=cut
131		203
132	BEGIN {	204	BEGIN {
133	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	206	my $msg = join "", @_;
135	utf8::encode $msg;
136		207
137	$msg .= "\n"	208	$msg .= "\n"
138	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
139		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
140	LOG llevError, $msg;	213	LOG llevError, $msg;
141	};	214	};
142	}	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#?
143		231
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		239
151	# 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
152	# within the Safe compartment.	241	# within the Safe compartment.
153	for my $pkg (qw(	242	for my $pkg (qw(
154	cf::global cf::attachable	243	cf::global cf::attachable
…		…
159	)) {	248	)) {
160	no strict 'refs';	249	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	251	}
163		252
164	$Event::DIED = sub {	253	$EV::DIED = sub {
165	warn "error in event callback: @_";	254	warn "error in event callback: @_";
166	};	255	};
		256
		257	#############################################################################
167		258
168	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
169		260
170	=over 4	261	=over 4
171		262
…		…
190	$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;
191	$d	282	$d
192	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
193	}	284	}
194		285
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
198		287
199	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
200		289
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
209		291
210	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
211		293
212	=cut	294	=cut
213		295
214	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
216	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
218		300
219	=item cf::lock_wait $string	301	=item cf::lock_wait $string
220		302
221	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
222		304
…		…
225	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
226	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,
227	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
228	returned.	310	returned.
229		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
230	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
231	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
232		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
233	=cut	322	=cut
234		323
235	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
236		326
237	sub lock_wait($) {	327	sub lock_wait($) {
238	my ($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#
239		334
240	# wait for lock, if any	335	# wait for lock, if any
241	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	338	Coro::schedule;
…		…
249		344
250	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
251	lock_wait $key;	346	lock_wait $key;
252		347
253	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
254		350
255	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
258	}	355	}
259	}	356	}
260		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
261	sub freeze_mainloop {	364	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
263		366
264	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
265	$TICK_WATCHER->start;	368	}
266	$WRITE_RUNTIME_WATCHER->start;	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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
267	};	428	}
268	$WRITE_RUNTIME_WATCHER->stop;	429	};
269	$TICK_WATCHER->stop;	430
270	$guard	431	sub get_slot($;$$) {
		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 $runtime = cf::localdir . "/runtime";
350		533
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	534	Executes the given code block with the given arguments in a seperate
352	or return;	535	process, returning the results. Everything must be serialisable with
		536	Coro::Storable. May, of course, block. Note that the executed sub may
		537	never block itself or use any form of event handling.
353		538
354	my $value = $cf::RUNTIME + 90 + 10;	539	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		540
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	541	sub fork_call(&@) {
359	and return;	542	my ($cb, @args) = @_;
360		543
361	aio_fsync $fh	544	# we seemingly have to make a local copy of the whole thing,
362	and return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
363		547
364	close $fh	548	my @res = Coro::Util::fork_eval {
365	or return;	549	reset_signals;
		550	&$cb
		551	}, @args;
366		552
367	aio_rename "$runtime~", $runtime	553	wantarray ? @res : $res[-1]
368	and return;	554	}
369		555
		556	=item $coin = coin_from_name $name
		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
		581	}
		582
		583	=item $value = cf::db_get $family => $key
		584
		585	Returns a single value from the environment database.
		586
		587	=item cf::db_put $family => $key => $value
		588
		589	Stores the given C<$value> in the family. It can currently store binary
		590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
		597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
		610	};
		611	cf::cleanup "db_open(db): $@" if $@;
		612
		613	$db
		614	}
		615
		616	our $DB;
		617
		618	sub db_init {
		619	cf::sync_job {
		620	$DB ||= db_table "db";
		621	};
		622	}
		623
		624	sub db_get($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
370	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		636	BDB::dbreq_pri 4;
		637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		638	}
		639
		640	=item cf::cache $id => [$paths...], $processversion => $process
		641
		642	Generic caching function that returns the value of the resource $id,
		643	caching and regenerating as required.
		644
		645	This function can block.
		646
		647	=cut
		648
		649	sub cache {
		650	my ($id, $src, $processversion, $process) = @_;
		651
		652	my $meta =
		653	join "\x00",
		654	$processversion,
		655	map {
		656	aio_stat $_
		657	and Carp::croak "$_: $!";
		658
		659	($_, (stat _)[7,9])
		660	} @$src;
		661
		662	my $dbmeta = db_get cache => "$id/meta";
		663	if ($dbmeta ne $meta) {
		664	# changed, we may need to process
		665
		666	my @data;
		667	my $md5;
		668
		669	for (0 .. $#$src) {
		670	0 <= aio_load $src->[$_], $data[$_]
		671	or Carp::croak "$src->[$_]: $!";
		672	}
		673
		674	# if processing is expensive, check
		675	# checksum first
		676	if (1) {
		677	$md5 =
		678	join "\x00",
		679	$processversion,
		680	map {
		681	cf::cede_to_tick;
		682	($src->[$_], Digest::MD5::md5_hex $data[$_])
		683	} 0.. $#$src;
		684
		685
		686	my $dbmd5 = db_get cache => "$id/md5";
		687	if ($dbmd5 eq $md5) {
		688	db_put cache => "$id/meta", $meta;
		689
		690	return db_get cache => "$id/data";
		691	}
		692	}
		693
		694	my $t1 = Time::HiRes::time;
		695	my $data = $process->(\@data);
		696	my $t2 = Time::HiRes::time;
		697
		698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		699
		700	db_put cache => "$id/data", $data;
		701	db_put cache => "$id/md5" , $md5;
		702	db_put cache => "$id/meta", $meta;
		703
		704	return $data;
		705	}
		706
		707	db_get cache => "$id/data"
		708	}
		709
		710	=item cf::datalog type => key => value, ...
		711
		712	Log a datalog packet of the given type with the given key-value pairs.
		713
		714	=cut
		715
		716	sub datalog($@) {
		717	my ($type, %kv) = @_;
		718	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	719	}
372		720
373	=back	721	=back
374		722
375	=cut	723	=cut
…		…
382	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")
383	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
384		732
385	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>
386	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
387	crossfire+).	735	Deliantra).
388		736
389	=over 4	737	=over 4
390		738
391	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
392		740
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
556		904
557	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		909
562	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	911	my $pkg = shift @arg;
564		912
565	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
595	}	943	}
596		944
597	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
598	} else {	946	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	948	}
601		949
602	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
603	}	951	}
604		952
…		…
606	if (ref $_[0]) {	954	if (ref $_[0]) {
607	_object_attach @_;	955	_object_attach @_;
608	} else {	956	} else {
609	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
610	}	958	}
		959	_recalc_want;
611	};	960	};
612		961
613	# all those should be optimised	962	# all those should be optimised
614	sub cf::attachable::detach {	963	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
619	reattach ($obj);	968	reattach ($obj);
620	} else {	969	} else {
621	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
622	}	971	}
		972	_recalc_want;
623	};	973	};
624		974
625	sub cf::attachable::attached {	975	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
627		977
…		…
642	";	992	";
643	die if $@;	993	die if $@;
644	}	994	}
645		995
646	our $override;	996	our $override;
647	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?
648		998
649	sub override {	999	sub override {
650	$override = 1;	1000	$override = 1;
651	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
652	}	1002	}
653		1003
654	sub do_invoke {	1004	sub do_invoke {
655	my $event = shift;	1005	my $event = shift;
656	my $callbacks = shift;	1006	my $callbacks = shift;
657		1007
658	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
659		1009
660	local $override;	1010	local $override;
661		1011
662	for (@$callbacks) {	1012	for (@$callbacks) {
663	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
672	}	1022	}
673		1023
674	0	1024	0
675	}	1025	}
676		1026
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1028
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1030
681	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
682		1032
683	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
684	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
685	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1036
687	=back	1037	=back
688		1038
689	=cut	1039	=cut
690		1040
691	#############################################################################	1041	#############################################################################
692	# 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, $ob2
		1084	}
693		1085
694	sub reattach {	1086	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1088	my ($obj) = @_;
697		1089
…		…
718	cf::attachable->attach (	1110	cf::attachable->attach (
719	prio => -1000000,	1111	prio => -1000000,
720	on_instantiate => sub {	1112	on_instantiate => sub {
721	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
722		1114
723	$data = from_json $data;	1115	$data = decode_json $data;
724		1116
725	for (@$data) {	1117	for (@$data) {
726	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
727		1119
728	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1136	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
746		1138
747	sync_job {	1139	sync_job {
748	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
751		1144
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1148	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1149	aio_close $fh;
757		1150
758	if (@$objs) {	1151	if (@$objs) {
759	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) {
760	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1156	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1157	aio_close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
766	}	1159	}
767	} else {	1160	} else {
768	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
769	}	1162	}
…		…
774	}	1167	}
775	} else {	1168	} else {
776	aio_unlink $filename;	1169	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
778	}	1171	}
779	}	1172	};
780	}	1173	}
781		1174
782	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
784		1177
…		…
796	or return;	1189	or return;
797		1190
798	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
800	or return;	1193	or return;
		1194
801	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
802	}	1197	}
803		1198
		1199	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
806	return ($data, $av);	1203	($data, $av)
807	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
808		1211
809	#############################################################################	1212	#############################################################################
810	# command handling &c	1213	# command handling &c
811		1214
812	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1229	}
827		1230
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1232
830	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.
831		1238
832	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
833	called.	1240	called.
834		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
835	=cut	1253	=cut
836		1254
837	sub register_extcmd {	1255	sub register_extcmd {
838	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
839		1257
840	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
841	}	1265	}
842		1266
843	cf::player->attach (	1267	cf::player->attach (
844	on_command => sub {	1268	on_command => sub {
845	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1278	cf::override;
855	},	1279	},
856	on_extcmd => sub {	1280	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
858		1282
859	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1284
861	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
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
867	} else {	1300	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1302	}
870		1303
871	cf::override;	1304	cf::override;
872	},	1305	},
873	);	1306	);
874		1307
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
910	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1313	next unless -r $path;
912	eval {	1314
913	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	$progress = 1;
914	1	1371	}
915	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
916	}	1377	};
917	}	1378	}
918		1379
919	#############################################################################	1380	#############################################################################
920		1381
		1382	=back
		1383
921	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
922		1385
923	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
924		1387
925	=cut	1388	=cut
…		…
930		1393
931	=head3 cf::player	1394	=head3 cf::player
932		1395
933	=over 4	1396	=over 4
934		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
935	=item cf::player::find $login	1412	=item cf::player::find $login
936		1413
937	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
938		1415
939	=cut	1416	=cut
940		1417
941	sub playerdir($) {	1418	sub playerdir($) {
942	cf::localdir	1419	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1421	}
948		1422
949	sub path($) {	1423	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1425
952	(playerdir $login) . "/$login.pl"	1426	(playerdir $login) . "/playerdata"
953	}	1427	}
954		1428
955	sub find_active($) {	1429	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1430	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1431	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1444	my $login = $_[0];
971		1445
972	my $guard = cf::lock_acquire "user_find:$login";	1446	my $guard = cf::lock_acquire "user_find:$login";
973		1447
974	$cf::PLAYER{$_[0]} || do {	1448	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1449	# rename old playerfiles to new ones
		1450	#TODO: remove when no longer required
		1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1454	aio_unlink +(playerdir $login) . "/$login.pl";
		1455
		1456	my $f = new_from_file cf::object::thawer path $login
976	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;
977	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
978	}	1465	}
979	}	1466	}
980	}	1467	}
981		1468
…		…
990	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
991		1478
992	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
994		1481
		1482	cf::get_slot 0.01;
		1483
995	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
996	Coro::cede;	1485	cf::cede_to_tick;
997	}	1486	}
998		1487
999	sub new($) {	1488	sub new($) {
1000	my ($login) = @_;	1489	my ($login) = @_;
1001		1490
…		…
1007	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1008		1497
1009	$self	1498	$self
1010	}	1499	}
1011		1500
		1501	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1502
		1503	=cut
		1504
		1505	sub send_msg {
		1506	my $ns = shift->ns
		1507	or return;
		1508	$ns->send_msg (@_);
		1509	}
		1510
1012	=item $pl->quit_character	1511	=item $pl->quit_character
1013		1512
1014	Nukes the player without looking back. If logged in, the connection will	1513	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1514	be destroyed. May block for a long time.
1016		1515
1017	=cut	1516	=cut
1018		1517
1019	sub quit_character {	1518	sub quit_character {
1020	my ($pl) = @_;	1519	my ($pl) = @_;
		1520
		1521	my $name = $pl->ob->name;
1021		1522
1022	$pl->{deny_save} = 1;	1523	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1524	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1525
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1526	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1531	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1532	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1533	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1534	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1535	$pl->destroy;
		1536
		1537	my $prefix = qr<^~\Q$name\E/>;
		1538
		1539	# nuke player maps
		1540	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1541
1035	IO::AIO::aio_rmtree $temp;	1542	IO::AIO::aio_rmtree $temp;
		1543	}
		1544
		1545	=item $pl->kick
		1546
		1547	Kicks a player out of the game. This destroys the connection.
		1548
		1549	=cut
		1550
		1551	sub kick {
		1552	my ($pl, $kicker) = @_;
		1553
		1554	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1555	$pl->killer ("kicked");
		1556	$pl->ns->destroy;
1036	}	1557	}
1037		1558
1038	=item cf::player::list_logins	1559	=item cf::player::list_logins
1039		1560
1040	Returns am arrayref of all valid playernames in the system, can take a	1561	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1562	while and may block, so not sync_job-capable, ever.
1042		1563
1043	=cut	1564	=cut
1044		1565
1045	sub list_logins {	1566	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1567	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1568	or return [];
1048		1569
1049	my @logins;	1570	my @logins;
1050		1571
1051	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") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1578	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1579	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1580	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1581	}
1055		1582
1056	utf8::decode $login;	1583	utf8::decode $login;
1057	push @logins, $login;	1584	push @logins, $login;
1058	}	1585	}
1059		1586
…		…
1067		1594
1068	=cut	1595	=cut
1069		1596
1070	sub maps($) {	1597	sub maps($) {
1071	my ($pl) = @_;	1598	my ($pl) = @_;
		1599
		1600	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1601
1073	my $files = aio_readdir playerdir $pl	1602	my $files = aio_readdir playerdir $pl
1074	or return;	1603	or return;
1075		1604
1076	my @paths;	1605	my @paths;
…		…
1078	for (@$files) {	1607	for (@$files) {
1079	utf8::decode $_;	1608	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1609	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1610	next unless /^$PATH_SEP/o;
1082		1611
1083	s/\.map$//;	1612	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1613	}
1086		1614
1087	\@paths	1615	\@paths
1088	}	1616	}
1089		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
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1711	=item $player->ext_reply ($msgid, @msg)
1091		1712
1092	Sends an ext reply to the player.	1713	Sends an ext reply to the player.
1093		1714
1094	=cut	1715	=cut
1095		1716
1096	sub ext_reply($$$%) {	1717	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1718	my ($self, $id, @msg) = @_;
1098		1719
1099	$msg{msgid} = $id;	1720	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1721	}
1103		1722
1104	package cf;	1723	=item $player->ext_msg ($type, @msg)
		1724
		1725	Sends an ext event to the client.
		1726
		1727	=cut
		1728
		1729	sub ext_msg($$@) {
		1730	my ($self, $type, @msg) = @_;
		1731
		1732	$self->ns->ext_msg ($type, @msg);
		1733	}
		1734
		1735	=head3 cf::region
		1736
		1737	=over 4
		1738
		1739	=cut
		1740
		1741	package cf::region;
		1742
		1743	=item cf::region::find_by_path $path
		1744
		1745	Tries to decuce the likely region for a map knowing only its path.
		1746
		1747	=cut
		1748
		1749	sub find_by_path($) {
		1750	my ($path) = @_;
		1751
		1752	my ($match, $specificity);
		1753
		1754	for my $region (list) {
		1755	if ($region->{match} && $path =~ $region->{match}) {
		1756	($match, $specificity) = ($region, $region->specificity)
		1757	if $region->specificity > $specificity;
		1758	}
		1759	}
		1760
		1761	$match
		1762	}
1105		1763
1106	=back	1764	=back
1107
1108		1765
1109	=head3 cf::map	1766	=head3 cf::map
1110		1767
1111	=over 4	1768	=over 4
1112		1769
…		…
1124	our $MAX_RESET = 3600;	1781	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1782	our $DEFAULT_RESET = 3000;
1126		1783
1127	sub generate_random_map {	1784	sub generate_random_map {
1128	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
1129	# mit "rum" bekleckern, nicht	1789	# mit "rum" bekleckern, nicht
1130	$self->_create_random_map (	1790	$self->_create_random_map (
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1793	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1800	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region}), $rmp->{custom}	1801	(cf::region::find $rmp->{region}), $rmp->{custom}
1142	)	1802	)
1143	}	1803	}
1144		1804
		1805	=item cf::map->register ($regex, $prio)
		1806
		1807	Register a handler for the map path matching the given regex at the
		1808	givne priority (higher is better, built-in handlers have priority 0, the
		1809	default).
		1810
		1811	=cut
		1812
1145	sub register {	1813	sub register {
1146	my (undef, $regex) = @_;	1814	my (undef, $regex, $prio) = @_;
1147	my $pkg = caller;	1815	my $pkg = caller;
1148		1816
1149	no strict;	1817	no strict;
1150	push @{"$pkg\::ISA"}, __PACKAGE__;	1818	push @{"$pkg\::ISA"}, __PACKAGE__;
1151		1819
1152	$EXT_MAP{$pkg} = qr<$regex>;	1820	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1153	}	1821	}
1154		1822
1155	# also paths starting with '/'	1823	# also paths starting with '/'
1156	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1824	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1157		1825
1158	sub thawer_merge {	1826	sub thawer_merge {
1159	my ($self, $merge) = @_;	1827	my ($self, $merge) = @_;
1160		1828
1161	# we have to keep some variables in memory intact	1829	# we have to keep some variables in memory intact
1162	local $self->{path};	1830	local $self->{path};
1163	local $self->{load_path};	1831	local $self->{load_path};
1164	local $self->{deny_save};
1165	local $self->{deny_reset};
1166		1832
1167	$self->SUPER::thawer_merge ($merge);	1833	$self->SUPER::thawer_merge ($merge);
1168	}	1834	}
1169		1835
1170	sub normalise {	1836	sub normalise {
1171	my ($path, $base) = @_;	1837	my ($path, $base) = @_;
		1838
		1839	$path = "$path"; # make sure its a string
		1840
		1841	$path =~ s/\.map$//;
1172		1842
1173	# map plan:	1843	# map plan:
1174	#	1844	#
1175	# /! non-realised random map exit (special hack!)	1845	# /! non-realised random map exit (special hack!)
1176	# {... are special paths that are not being touched	1846	# {... are special paths that are not being touched
…		…
1204		1874
1205	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1875	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1206		1876
1207	$path = normalise $path, $base;	1877	$path = normalise $path, $base;
1208		1878
1209	for my $pkg (keys %EXT_MAP) {	1879	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1210	if ($path =~ $EXT_MAP{$pkg}) {	1880	if ($path =~ $EXT_MAP{$pkg}[1]) {
1211	my $self = bless cf::map::new, $pkg;	1881	my $self = bless cf::map::new, $pkg;
1212	$self->{path} = $path; $self->path ($path);	1882	$self->{path} = $path; $self->path ($path);
1213	$self->init; # pass $1 etc.	1883	$self->init; # pass $1 etc.
1214	return $self;	1884	return $self;
1215	}	1885	}
1216	}	1886	}
1217		1887
1218	Carp::carp "unable to resolve path '$path'.";	1888	Carp::cluck "unable to resolve path '$path' (base '$base').";
1219	()	1889	()
1220	}	1890	}
1221		1891
1222	sub init {	1892	sub init {
1223	my ($self) = @_;	1893	my ($self) = @_;
…		…
1238		1908
1239	# the original (read-only) location	1909	# the original (read-only) location
1240	sub load_path {	1910	sub load_path {
1241	my ($self) = @_;	1911	my ($self) = @_;
1242		1912
1243	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1913	"$MAPDIR/$self->{path}.map"
1244	}	1914	}
1245		1915
1246	# the temporary/swap location	1916	# the temporary/swap location
1247	sub save_path {	1917	sub save_path {
1248	my ($self) = @_;	1918	my ($self) = @_;
1249		1919
1250	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1920	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1251	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1921	"$TMPDIR/$path.map"
1252	}	1922	}
1253		1923
1254	# the unique path, undef == no special unique path	1924	# the unique path, undef == no special unique path
1255	sub uniq_path {	1925	sub uniq_path {
1256	my ($self) = @_;	1926	my ($self) = @_;
1257		1927
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1259	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1929	"$UNIQUEDIR/$path"
1260	}	1930	}
1261		1931
1262	# and all this just because we cannot iterate over	1932	# and all this just because we cannot iterate over
1263	# all maps in C++...	1933	# all maps in C++...
1264	sub change_all_map_light {	1934	sub change_all_map_light {
…		…
1266		1936
1267	$_->change_map_light ($change)	1937	$_->change_map_light ($change)
1268	for grep $_->outdoor, values %cf::MAP;	1938	for grep $_->outdoor, values %cf::MAP;
1269	}	1939	}
1270		1940
		1941	sub decay_objects {
		1942	my ($self) = @_;
		1943
		1944	return if $self->{deny_reset};
		1945
		1946	$self->do_decay_objects;
		1947	}
		1948
1271	sub unlink_save {	1949	sub unlink_save {
1272	my ($self) = @_;	1950	my ($self) = @_;
1273		1951
1274	utf8::encode (my $save = $self->save_path);	1952	utf8::encode (my $save = $self->save_path);
1275	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1953	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1278		1956
1279	sub load_header_from($) {	1957	sub load_header_from($) {
1280	my ($self, $path) = @_;	1958	my ($self, $path) = @_;
1281		1959
1282	utf8::encode $path;	1960	utf8::encode $path;
1283	aio_open $path, O_RDONLY, 0	1961	my $f = new_from_file cf::object::thawer $path
1284	or return;	1962	or return;
1285		1963
1286	$self->_load_header ($path)	1964	$self->_load_header ($f)
1287	or return;	1965	or return;
1288		1966
		1967	local $MAP_LOADING{$self->{path}} = $self;
		1968	$f->resolve_delayed_derefs;
		1969
1289	$self->{load_path} = $path;	1970	$self->{load_path} = $path;
1290		1971
1291	1	1972	1
1292	}	1973	}
1293		1974
1294	sub load_orig {	1975	sub load_header_orig {
1295	my ($self) = @_;	1976	my ($self) = @_;
1296		1977
1297	$self->load_header_from ($self->load_path)	1978	$self->load_header_from ($self->load_path)
1298	}	1979	}
1299		1980
1300	sub load_temp {	1981	sub load_header_temp {
1301	my ($self) = @_;	1982	my ($self) = @_;
1302		1983
1303	$self->load_header_from ($self->save_path)	1984	$self->load_header_from ($self->save_path)
		1985	}
		1986
		1987	sub prepare_temp {
		1988	my ($self) = @_;
		1989
		1990	$self->last_access ((delete $self->{last_access})
		1991	|| $cf::RUNTIME); #d#
		1992	# safety
		1993	$self->{instantiate_time} = $cf::RUNTIME
		1994	if $self->{instantiate_time} > $cf::RUNTIME;
		1995	}
		1996
		1997	sub prepare_orig {
		1998	my ($self) = @_;
		1999
		2000	$self->{load_original} = 1;
		2001	$self->{instantiate_time} = $cf::RUNTIME;
		2002	$self->last_access ($cf::RUNTIME);
		2003	$self->instantiate;
1304	}	2004	}
1305		2005
1306	sub load_header {	2006	sub load_header {
1307	my ($self) = @_;	2007	my ($self) = @_;
1308		2008
1309	if ($self->load_temp) {	2009	if ($self->load_header_temp) {
1310	$self->last_access ((delete $self->{last_access})	2010	$self->prepare_temp;
1311	|| $cf::RUNTIME); #d#
1312	# safety
1313	$self->{instantiate_time} = $cf::RUNTIME
1314	if $self->{instantiate_time} > $cf::RUNTIME;
1315	} else {	2011	} else {
1316	$self->load_orig	2012	$self->load_header_orig
1317	or return;	2013	or return;
1318		2014	$self->prepare_orig;
1319	$self->{load_original} = 1;
1320	$self->{instantiate_time} = $cf::RUNTIME;
1321	$self->last_access ($cf::RUNTIME);
1322	$self->instantiate;
1323	}	2015	}
		2016
		2017	$self->{deny_reset} = 1
		2018	if $self->no_reset;
		2019
		2020	$self->default_region (cf::region::find_by_path $self->{path})
		2021	unless $self->default_region;
1324		2022
1325	1	2023	1
1326	}	2024	}
1327		2025
1328	sub find;	2026	sub find;
1329	sub find {	2027	sub find {
1330	my ($path, $origin) = @_;	2028	my ($path, $origin) = @_;
1331		2029
1332	$path = normalise $path, $origin && $origin->path;	2030	$path = normalise $path, $origin && $origin->path;
1333		2031
		2032	cf::lock_wait "map_data:$path";#d#remove
1334	cf::lock_wait "map_find:$path";	2033	cf::lock_wait "map_find:$path";
1335		2034
1336	$cf::MAP{$path} || do {	2035	$cf::MAP{$path} || do {
		2036	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1337	my $guard = cf::lock_acquire "map_find:$path";	2037	my $guard2 = cf::lock_acquire "map_find:$path";
		2038
1338	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1339	or return;	2040	or return;
1340		2041
1341	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1342		2043
1343	$map->load_header	2044	$map->load_header
1344	or return;	2045	or return;
1345		2046
1346	if ($map->should_reset) {	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1347	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1348	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1349	$map->reset;	2052	$map->reset;
1350	undef $guard;
1351	$map = find $path	2053	return find $path;
1352	or return;
1353	}	2054	}
1354		2055
1355	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1356	}	2057	}
1357	}	2058	}
		2059
		2060	sub pre_load { }
		2061	sub post_load { }
1358		2062
1359	sub load {	2063	sub load {
1360	my ($self) = @_;	2064	my ($self) = @_;
1361		2065
		2066	local $self->{deny_reset} = 1; # loading can take a long time
		2067
1362	my $path = $self->{path};	2068	my $path = $self->{path};
		2069
		2070	{
1363	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1364		2072
		2073	return unless $self->valid;
1365	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1366		2075
1367	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1368		2077
1369	$self->alloc;	2078	$self->alloc;
1370	$self->_load_objects ($self->{load_path}, 1)	2079
		2080	$self->pre_load;
		2081	cf::cede_to_tick;
		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
		2085	$self->_load_objects ($f)
1371	or return;	2086	or return;
1372		2087
1373	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1374	if delete $self->{load_original};	2089	if delete $self->{load_original};
1375		2090
1376	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1377	utf8::encode $uniq;	2092	utf8::encode $uniq;
1378	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1379	$self->clear_unique_items;	2095	$self->clear_unique_items;
1380	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1381	}	2099	}
1382	}	2100	}
1383		2101
1384	Coro::cede;	2102	$f->resolve_delayed_derefs;
1385		2103
		2104	cf::cede_to_tick;
1386	# now do the right thing for maps	2105	# now do the right thing for maps
1387	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1388
1389	unless ($self->{deny_activate}) {
1390	$self->decay_objects;
1391	$self->fix_auto_apply;
1392	$self->update_buttons;
1393	Coro::cede;
1394	$self->set_darkness_map;
1395	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1396	unless $self->difficulty;	2108	unless $self->difficulty;
1397	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;
1398	$self->activate;	2118	$self->activate;
1399	}	2119	}
1400		2120
		2121	$self->{last_save} = $cf::RUNTIME;
		2122	$self->last_access ($cf::RUNTIME);
		2123
1401	$self->in_memory (cf::MAP_IN_MEMORY);	2124	$self->in_memory (cf::MAP_ACTIVE);
		2125	}
		2126
		2127	$self->post_load;
1402	}	2128	}
1403		2129
1404	sub customise_for {	2130	sub customise_for {
1405	my ($self, $ob) = @_;	2131	my ($self, $ob) = @_;
1406		2132
1407	return find "~" . $ob->name . "/" . $self->{path}	2133	return find "~" . $ob->name . "/" . $self->{path}
1408	if $self->per_player;	2134	if $self->per_player;
1409		2135
		2136	# return find "?party/" . $ob->name . "/" . $self->{path}
		2137	# if $self->per_party;
		2138
1410	$self	2139	$self
1411	}	2140	}
1412		2141
1413	# 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
1414	sub load_diag {	2143	sub load_neighbours {
1415	my ($map) = @_;	2144	my ($map) = @_;
1416		2145
1417	my @diag; # diagonal neighbours	2146	my @neigh; # diagonal neighbours
1418		2147
1419	for (0 .. 3) {	2148	for (0 .. 3) {
1420	my $neigh = $map->tile_path ($_)	2149	my $neigh = $map->tile_path ($_)
1421	or next;	2150	or next;
1422	$neigh = find $neigh, $map	2151	$neigh = find $neigh, $map
1423	or next;	2152	or next;
1424	$neigh->load;	2153	$neigh->load;
1425		2154
		2155	push @neigh,
1426	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2156	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1427	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2157	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1428	}	2158	}
1429		2159
1430	for (@diag) {	2160	for (grep defined $_->[0], @neigh) {
		2161	my ($path, $origin) = @$_;
1431	my $neigh = find @$_	2162	my $neigh = find $path, $origin
1432	or next;	2163	or next;
1433	$neigh->load;	2164	$neigh->load;
1434	}	2165	}
1435	}	2166	}
1436		2167
…		…
1441	}	2172	}
1442		2173
1443	sub do_load_sync {	2174	sub do_load_sync {
1444	my ($map) = @_;	2175	my ($map) = @_;
1445		2176
		2177	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2178	if $Coro::current == $Coro::main;
		2179
1446	cf::sync_job { $map->load };	2180	cf::sync_job { $map->load };
1447	}	2181	}
1448		2182
1449	our %MAP_PREFETCH;	2183	our %MAP_PREFETCH;
1450	our $MAP_PREFETCHER = undef;	2184	our $MAP_PREFETCHER = undef;
1451		2185
1452	sub find_async {	2186	sub find_async {
1453	my ($path, $origin) = @_;	2187	my ($path, $origin, $load) = @_;
1454		2188
1455	$path = normalise $path, $origin && $origin->{path};	2189	$path = normalise $path, $origin && $origin->{path};
1456		2190
1457	if (my $map = $cf::MAP{$path}) {	2191	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1459	}	2193	}
1460		2194
1461	undef $MAP_PREFETCH{$path};	2195	$MAP_PREFETCH{$path} |= $load;
		2196
1462	$MAP_PREFETCHER ||= cf::async {	2197	$MAP_PREFETCHER ||= cf::async {
		2198	$Coro::current->{desc} = "map prefetcher";
		2199
1463	while (%MAP_PREFETCH) {	2200	while (%MAP_PREFETCH) {
1464	for my $path (keys %MAP_PREFETCH) {	2201	while (my ($k, $v) = each %MAP_PREFETCH) {
1465	my $map = find $path	2202	if (my $map = find $k) {
1466	or next;
1467	$map->load;	2203	$map->load if $v;
		2204	}
1468		2205
1469	delete $MAP_PREFETCH{$path};	2206	delete $MAP_PREFETCH{$k};
1470	}	2207	}
1471	}	2208	}
1472	undef $MAP_PREFETCHER;	2209	undef $MAP_PREFETCHER;
1473	};	2210	};
		2211	$MAP_PREFETCHER->prio (6);
1474		2212
1475	()	2213	()
1476	}	2214	}
1477		2215
1478	sub save {	2216	sub save {
1479	my ($self) = @_;	2217	my ($self) = @_;
1480		2218
1481	my $lock = cf::lock_acquire "map_data:" . $self->path;	2219	my $lock = cf::lock_acquire "map_data:$self->{path}";
1482		2220
1483	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
1484		2222
1485	return unless $self->dirty;	2223	return unless $self->dirty;
1486		2224
…		…
1492	return if $self->{deny_save};	2230	return if $self->{deny_save};
1493		2231
1494	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
1495		2233
1496	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
1497	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
1498	};	2237	};
		2238
		2239	cf::get_slot 0.02;
1499		2240
1500	if ($uniq) {	2241	if ($uniq) {
1501	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1502	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1503	} else {	2244	} else {
…		…
1509	my ($self) = @_;	2250	my ($self) = @_;
1510		2251
1511	# save first because save cedes	2252	# save first because save cedes
1512	$self->save;	2253	$self->save;
1513		2254
1514	my $lock = cf::lock_acquire "map_data:" . $self->path;	2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
1515		2256
1516	return if $self->players;	2257	return if $self->players;
1517	return if $self->in_memory != cf::MAP_IN_MEMORY;	2258	return if $self->in_memory != cf::MAP_ACTIVE;
1518	return if $self->{deny_save};	2259	return if $self->{deny_save};
1519		2260
		2261	$self->in_memory (cf::MAP_SWAPPED);
		2262
		2263	$self->deactivate;
		2264	$_->clear_links_to ($self) for values %cf::MAP;
1520	$self->clear;	2265	$self->clear;
1521	$self->in_memory (cf::MAP_SWAPPED);
1522	}	2266	}
1523		2267
1524	sub reset_at {	2268	sub reset_at {
1525	my ($self) = @_;	2269	my ($self) = @_;
1526		2270
1527	# TODO: safety, remove and allow resettable per-player maps	2271	# TODO: safety, remove and allow resettable per-player maps
1528	return 1e99 if $self->isa ("ext::map_per_player");#d#
1529	return 1e99 if $self->{deny_reset};	2272	return 1e99 if $self->{deny_reset};
1530		2273
1531	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2274	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1532	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;
1533		2276
…		…
1544	my ($self) = @_;	2287	my ($self) = @_;
1545		2288
1546	my $lock = cf::lock_acquire "map_data:$self->{path}";	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1547		2290
1548	return if $self->players;	2291	return if $self->players;
1549	return if $self->isa ("ext::map_per_player");#d#
1550		2292
1551	warn "resetting map ", $self->path;#d#	2293	warn "resetting map ", $self->path;
		2294
		2295	$self->in_memory (cf::MAP_SWAPPED);
		2296
		2297	# need to save uniques path
		2298	unless ($self->{deny_save}) {
		2299	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2300
		2301	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2302	if $uniq;
		2303	}
1552		2304
1553	delete $cf::MAP{$self->path};	2305	delete $cf::MAP{$self->path};
1554		2306
1555	$self->in_memory (cf::MAP_SWAPPED);	2307	$self->deactivate;
		2308	$_->clear_links_to ($self) for values %cf::MAP;
1556	$self->clear;	2309	$self->clear;
1557
1558	$_->clear_links_to ($self) for values %cf::MAP;
1559		2310
1560	$self->unlink_save;	2311	$self->unlink_save;
1561	$self->destroy;	2312	$self->destroy;
1562	}	2313	}
1563		2314
1564	my $nuke_counter = "aaaa";	2315	my $nuke_counter = "aaaa";
1565		2316
1566	sub nuke {	2317	sub nuke {
1567	my ($self) = @_;	2318	my ($self) = @_;
1568		2319
		2320	{
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
1569	delete $cf::MAP{$self->path};	2323	delete $cf::MAP{$self->path};
1570		2324
1571	$self->unlink_save;	2325	$self->unlink_save;
1572		2326
1573	bless $self, "cf::map";	2327	bless $self, "cf::map";
1574	delete $self->{deny_reset};	2328	delete $self->{deny_reset};
1575	$self->{deny_save} = 1;	2329	$self->{deny_save} = 1;
1576	$self->reset_timeout (1);	2330	$self->reset_timeout (1);
1577	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2331	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1578		2332
1579	$cf::MAP{$self->path} = $self;	2333	$cf::MAP{$self->path} = $self;
		2334	}
1580		2335
1581	$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	]
1582	}	2373	}
1583		2374
1584	=item cf::map::unique_maps	2375	=item cf::map::unique_maps
1585		2376
1586	Returns an arrayref of paths of all shared maps that have	2377	Returns an arrayref of paths of all shared maps that have
1587	instantiated unique items. May block.	2378	instantiated unique items. May block.
1588		2379
1589	=cut	2380	=cut
1590		2381
1591	sub unique_maps() {	2382	sub unique_maps() {
1592	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2383	[
1593	or return;	2384	map {
1594
1595	my @paths;
1596
1597	for (@$files) {
1598	utf8::decode $_;	2385	utf8::decode $_;
1599	next if /\.pst$/;	2386	s/\.map$//; # TODO future compatibility hack
1600	next unless /^$PATH_SEP/o;	2387	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1601		2388	? ()
1602	s/\.map$//;	2389	: normalise $_
1603	push @paths, $_;	2390	} @{ aio_readdir $UNIQUEDIR or [] }
1604	}	2391	]
1605
1606	\@paths
1607	}	2392	}
1608
1609	package cf;
1610		2393
1611	=back	2394	=back
1612		2395
1613	=head3 cf::object	2396	=head3 cf::object
1614		2397
…		…
1618		2401
1619	=over 4	2402	=over 4
1620		2403
1621	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
1622		2405
1623	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.
1624		2408
1625	=cut	2409	=cut
1626		2410
1627	sub inv_recursive_;	2411	sub inv_recursive_;
1628	sub inv_recursive_ {	2412	sub inv_recursive_ {
…		…
1631		2415
1632	sub inv_recursive {	2416	sub inv_recursive {
1633	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
1634	}	2418	}
1635		2419
		2420	=item $ref = $ob->ref
		2421
		2422	Creates and returns a persistent reference to an object that can be stored as a string.
		2423
		2424	=item $ob = cf::object::deref ($refstring)
		2425
		2426	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2427	even if the object actually exists. May block.
		2428
		2429	=cut
		2430
		2431	sub deref {
		2432	my ($ref) = @_;
		2433
		2434	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2435	my ($uuid, $name) = ($1, $2);
		2436	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2437	or return;
		2438	$pl->ob->uuid eq $uuid
		2439	or return;
		2440
		2441	$pl->ob
		2442	} else {
		2443	warn "$ref: cannot resolve object reference\n";
		2444	undef
		2445	}
		2446	}
		2447
1636	package cf;	2448	package cf;
1637		2449
1638	=back	2450	=back
1639		2451
1640	=head3 cf::object::player	2452	=head3 cf::object::player
…		…
1646	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2458	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1647	can be C<undef>. Does the right thing when the player is currently in a	2459	can be C<undef>. Does the right thing when the player is currently in a
1648	dialogue with the given NPC character.	2460	dialogue with the given NPC character.
1649		2461
1650	=cut	2462	=cut
		2463
		2464	our $SAY_CHANNEL = {
		2465	id => "say",
		2466	title => "Map",
		2467	reply => "say ",
		2468	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2469	};
		2470
		2471	our $CHAT_CHANNEL = {
		2472	id => "chat",
		2473	title => "Chat",
		2474	reply => "chat ",
		2475	tooltip => "Player chat and shouts, global to the server.",
		2476	};
1651		2477
1652	# rough implementation of a future "reply" method that works	2478	# rough implementation of a future "reply" method that works
1653	# with dialog boxes.	2479	# with dialog boxes.
1654	#TODO: the first argument must go, split into a $npc->reply_to ( method	2480	#TODO: the first argument must go, split into a $npc->reply_to ( method
1655	sub cf::object::player::reply($$$;$) {	2481	sub cf::object::player::reply($$$;$) {
…		…
1657		2483
1658	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2484	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1659		2485
1660	if ($self->{record_replies}) {	2486	if ($self->{record_replies}) {
1661	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2487	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2488
1662	} else {	2489	} else {
		2490	my $pl = $self->contr;
		2491
		2492	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2493	my $dialog = $pl->{npc_dialog};
		2494	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2495
		2496	} else {
1663	$msg = $npc->name . " says: $msg" if $npc;	2497	$msg = $npc->name . " says: $msg" if $npc;
1664	$self->message ($msg, $flags);	2498	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2499	}
1665	}	2500	}
		2501	}
		2502
		2503	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	=cut
		2506
		2507	sub cf::object::send_msg {
		2508	my $pl = shift->contr
		2509	or return;
		2510	$pl->send_msg (@_);
1666	}	2511	}
1667		2512
1668	=item $player_object->may ("access")	2513	=item $player_object->may ("access")
1669		2514
1670	Returns wether the given player is authorized to access resource "access"	2515	Returns wether the given player is authorized to access resource "access"
…		…
1702	=cut	2547	=cut
1703		2548
1704	sub link_map {	2549	sub link_map {
1705	unless ($LINK_MAP) {	2550	unless ($LINK_MAP) {
1706	$LINK_MAP = cf::map::find "{link}"	2551	$LINK_MAP = cf::map::find "{link}"
1707	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2552	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1708	$LINK_MAP->load;	2553	$LINK_MAP->load;
1709	}	2554	}
1710		2555
1711	$LINK_MAP	2556	$LINK_MAP
1712	}	2557	}
…		…
1717	$self->deactivate_recursive;	2562	$self->deactivate_recursive;
1718		2563
1719	return if UNIVERSAL::isa $self->map, "ext::map_link";	2564	return if UNIVERSAL::isa $self->map, "ext::map_link";
1720		2565
1721	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2566	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1722	if $self->map;	2567	if $self->map && $self->map->{path} ne "{link}";
1723		2568
1724	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2569	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1725	}	2570	}
1726		2571
1727	sub cf::object::player::leave_link {	2572	sub cf::object::player::leave_link {
1728	my ($self, $map, $x, $y) = @_;	2573	my ($self, $map, $x, $y) = @_;
		2574
		2575	return unless $self->contr->active;
1729		2576
1730	my $link_pos = delete $self->{_link_pos};	2577	my $link_pos = delete $self->{_link_pos};
1731		2578
1732	unless ($map) {	2579	unless ($map) {
1733	# restore original map position	2580	# restore original map position
…		…
1747	# use -1 or undef as default coordinates, not 0, 0	2594	# use -1 or undef as default coordinates, not 0, 0
1748	($x, $y) = ($map->enter_x, $map->enter_y)	2595	($x, $y) = ($map->enter_x, $map->enter_y)
1749	if $x <=0 && $y <= 0;	2596	if $x <=0 && $y <= 0;
1750		2597
1751	$map->load;	2598	$map->load;
1752	$map->load_diag;	2599	$map->load_neighbours;
1753		2600
1754	return unless $self->contr->active;	2601	return unless $self->contr->active;
1755	$self->activate_recursive;	2602	$self->activate_recursive;
		2603
		2604	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1756	$self->enter_map ($map, $x, $y);	2605	$self->enter_map ($map, $x, $y);
1757	}	2606	}
1758		2607
1759	cf::player->attach (	2608	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1760	on_logout => sub {
1761	my ($pl) = @_;
1762		2609
1763	# abort map switching before logout	2610	Moves the player to the given map-path and coordinates by first freezing
1764	if ($pl->ob->{_link_pos}) {	2611	her, loading and preparing them map, calling the provided $check callback
1765	cf::sync_job {	2612	that has to return the map if sucecssful, and then unfreezes the player on
1766	$pl->ob->leave_link	2613	the new (success) or old (failed) map position. In either case, $done will
1767	};	2614	be called at the end of this process.
1768	}
1769	},
1770	on_login => sub {
1771	my ($pl) = @_;
1772		2615
1773	# try to abort aborted map switching on player login :)
1774	# should happen only on crashes
1775	if ($pl->ob->{_link_pos}) {
1776	$pl->ob->enter_link;
1777	(async {
1778	# we need this sleep as the login has a concurrent enter_exit running
1779	# and this sleep increases chances of the player not ending up in scorn
1780	$pl->ob->reply (undef,
1781	"There was an internal problem at your last logout, "
1782	. "the server will try to bring you to your intended destination in a second.",
1783	cf::NDI_RED);
1784	Coro::Timer::sleep 1;
1785	$pl->ob->leave_link;
1786	})->prio (2);
1787	}
1788	},
1789	);
1790
1791	=item $player_object->goto ($path, $x, $y)
1792
1793	=cut	2616	=cut
		2617
		2618	our $GOTOGEN;
1794		2619
1795	sub cf::object::player::goto {	2620	sub cf::object::player::goto {
1796	my ($self, $path, $x, $y) = @_;	2621	my ($self, $path, $x, $y, $check, $done) = @_;
		2622
		2623	# do generation counting so two concurrent goto's will be executed in-order
		2624	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1797		2625
1798	$self->enter_link;	2626	$self->enter_link;
1799		2627
1800	(async {	2628	(async {
1801	my $map = cf::map::find $path;	2629	$Coro::current->{desc} = "player::goto $path $x $y";
		2630
		2631	# *tag paths override both path and x|y
		2632	if ($path =~ /^\*(.*)$/) {
		2633	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2634	my $ob = $obs[rand @obs];
		2635
		2636	# see if we actually can go there
		2637	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2638	$ob = $obs[rand @obs];
		2639	} else {
		2640	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2641	}
		2642	# else put us there anyways for now #d#
		2643
		2644	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2645	} else {
		2646	($path, $x, $y) = (undef, undef, undef);
		2647	}
		2648	}
		2649
		2650	my $map = eval {
		2651	my $map = defined $path ? cf::map::find $path : undef;
		2652
		2653	if ($map) {
1802	$map = $map->customise_for ($self) if $map;	2654	$map = $map->customise_for ($self);
1803		2655	$map = $check->($map) if $check && $map;
1804	# warn "entering ", $map->path, " at ($x, $y)\n"	2656	} else {
1805	# if $map;
1806
1807	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2657	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2658	}
1808		2659
		2660	$map
		2661	};
		2662
		2663	if ($@) {
		2664	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2665	LOG llevError | logBacktrace, Carp::longmess $@;
		2666	}
		2667
		2668	if ($gen == $self->{_goto_generation}) {
		2669	delete $self->{_goto_generation};
1809	$self->leave_link ($map, $x, $y);	2670	$self->leave_link ($map, $x, $y);
		2671	}
		2672
		2673	$done->() if $done;
1810	})->prio (1);	2674	})->prio (1);
1811	}	2675	}
1812		2676
1813	=item $player_object->enter_exit ($exit_object)	2677	=item $player_object->enter_exit ($exit_object)
1814		2678
…		…
1834	}	2698	}
1835		2699
1836	sub prepare_random_map {	2700	sub prepare_random_map {
1837	my ($exit) = @_;	2701	my ($exit) = @_;
1838		2702
1839	my $guard = cf::lock_acquire "exit_prepare:$exit";
1840
1841	# all this does is basically replace the /! path by	2703	# all this does is basically replace the /! path by
1842	# a new random map path (?random/...) with a seed	2704	# a new random map path (?random/...) with a seed
1843	# that depends on the exit object	2705	# that depends on the exit object
1844		2706
1845	my $rmp = parse_random_map_params $exit->msg;	2707	my $rmp = parse_random_map_params $exit->msg;
1846		2708
1847	if ($exit->map) {	2709	if ($exit->map) {
1848	$rmp->{region} = $exit->map->region_name;	2710	$rmp->{region} = $exit->region->name;
1849	$rmp->{origin_map} = $exit->map->path;	2711	$rmp->{origin_map} = $exit->map->path;
1850	$rmp->{origin_x} = $exit->x;	2712	$rmp->{origin_x} = $exit->x;
1851	$rmp->{origin_y} = $exit->y;	2713	$rmp->{origin_y} = $exit->y;
		2714
		2715	$exit->map->touch;
1852	}	2716	}
1853		2717
1854	$rmp->{random_seed} ||= $exit->random_seed;	2718	$rmp->{random_seed} ||= $exit->random_seed;
1855		2719
1856	my $data = cf::to_json $rmp;	2720	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1857	my $md5 = Digest::MD5::md5_hex $data;	2721	my $md5 = Digest::MD5::md5_hex $data;
1858	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2722	my $meta = "$RANDOMDIR/$md5.meta";
1859		2723
1860	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2724	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1861	aio_write $fh, 0, (length $data), $data, 0;	2725	aio_write $fh, 0, (length $data), $data, 0;
1862	undef $fh;	2726	undef $fh;
1863	aio_rename "$meta~", $meta;	2727	aio_rename "$meta~", $meta;
1864		2728
		2729	my $slaying = "?random/$md5";
		2730
		2731	if ($exit->valid) {
1865	$exit->slaying ("?random/$md5");	2732	$exit->slaying ("?random/$md5");
1866	$exit->msg (undef);	2733	$exit->msg (undef);
		2734	}
1867	}	2735	}
1868	}	2736	}
1869		2737
1870	sub cf::object::player::enter_exit {	2738	sub cf::object::player::enter_exit {
1871	my ($self, $exit) = @_;	2739	my ($self, $exit) = @_;
…		…
1873	return unless $self->type == cf::PLAYER;	2741	return unless $self->type == cf::PLAYER;
1874		2742
1875	$self->enter_link;	2743	$self->enter_link;
1876		2744
1877	(async {	2745	(async {
1878	$self->deactivate_recursive; # just to be sure	2746	$Coro::current->{desc} = "enter_exit";
		2747
1879	unless (eval {	2748	unless (eval {
		2749	$self->deactivate_recursive; # just to be sure
		2750
		2751	# random map handling
		2752	{
		2753	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2754
1880	prepare_random_map $exit	2755	prepare_random_map $exit
1881	if $exit->slaying eq "/!";	2756	if $exit->slaying eq "/!";
		2757	}
1882		2758
1883	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2759	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1884	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2760	my $x = $exit->stats->hp;
		2761	my $y = $exit->stats->sp;
1885		2762
		2763	$self->goto ($map, $x, $y);
		2764
		2765	# if exit is damned, update players death & WoR home-position
		2766	$self->contr->savebed ($map, $x, $y)
		2767	if $exit->flag (cf::FLAG_DAMNED);
		2768
1886	1;	2769	1
1887	}) {	2770	}) {
1888	$self->message ("Something went wrong deep within the crossfire server. "	2771	$self->message ("Something went wrong deep within the crossfire server. "
1889	. "I'll try to bring you back to the map you were before. "	2772	. "I'll try to bring you back to the map you were before. "
1890	. "Please report this to the dungeon master!",	2773	. "Please report this to the dungeon master!",
1891	cf::NDI_UNIQUE | cf::NDI_RED);	2774	cf::NDI_UNIQUE | cf::NDI_RED);
1892		2775
1893	warn "ERROR in enter_exit: $@";	2776	warn "ERROR in enter_exit: $@";
1894	$self->leave_link;	2777	$self->leave_link;
1895	}	2778	}
1896	})->prio (1);	2779	})->prio (1);
…		…
1909		2792
1910	sub cf::client::send_drawinfo {	2793	sub cf::client::send_drawinfo {
1911	my ($self, $text, $flags) = @_;	2794	my ($self, $text, $flags) = @_;
1912		2795
1913	utf8::encode $text;	2796	utf8::encode $text;
1914	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2797	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1915	}	2798	}
1916		2799
		2800	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2801
		2802	Send a drawinfo or msg packet to the client, formatting the msg for the
		2803	client if neccessary. C<$type> should be a string identifying the type of
		2804	the message, with C<log> being the default. If C<$color> is negative, suppress
		2805	the message unless the client supports the msg packet.
		2806
		2807	=cut
		2808
		2809	# non-persistent channels (usually the info channel)
		2810	our %CHANNEL = (
		2811	"c/identify" => {
		2812	id => "infobox",
		2813	title => "Identify",
		2814	reply => undef,
		2815	tooltip => "Items recently identified",
		2816	},
		2817	"c/examine" => {
		2818	id => "infobox",
		2819	title => "Examine",
		2820	reply => undef,
		2821	tooltip => "Signs and other items you examined",
		2822	},
		2823	"c/book" => {
		2824	id => "infobox",
		2825	title => "Book",
		2826	reply => undef,
		2827	tooltip => "The contents of a note or book",
		2828	},
		2829	"c/lookat" => {
		2830	id => "infobox",
		2831	title => "Look",
		2832	reply => undef,
		2833	tooltip => "What you saw there",
		2834	},
		2835	"c/who" => {
		2836	id => "infobox",
		2837	title => "Players",
		2838	reply => undef,
		2839	tooltip => "Shows players who are currently online",
		2840	},
		2841	"c/body" => {
		2842	id => "infobox",
		2843	title => "Body Parts",
		2844	reply => undef,
		2845	tooltip => "Shows which body parts you posess and are available",
		2846	},
		2847	"c/uptime" => {
		2848	id => "infobox",
		2849	title => "Uptime",
		2850	reply => undef,
		2851	tooltip => "How long the server has been running since last restart",
		2852	},
		2853	"c/mapinfo" => {
		2854	id => "infobox",
		2855	title => "Map Info",
		2856	reply => undef,
		2857	tooltip => "Information related to the maps",
		2858	},
		2859	"c/party" => {
		2860	id => "party",
		2861	title => "Party",
		2862	reply => "gsay ",
		2863	tooltip => "Messages and chat related to your party",
		2864	},
		2865	);
		2866
		2867	sub cf::client::send_msg {
		2868	my ($self, $channel, $msg, $color, @extra) = @_;
		2869
		2870	$msg = $self->pl->expand_cfpod ($msg);
		2871
		2872	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2873
		2874	# check predefined channels, for the benefit of C
		2875	if ($CHANNEL{$channel}) {
		2876	$channel = $CHANNEL{$channel};
		2877
		2878	$self->ext_msg (channel_info => $channel)
		2879	if $self->can_msg;
		2880
		2881	$channel = $channel->{id};
		2882
		2883	} elsif (ref $channel) {
		2884	# send meta info to client, if not yet sent
		2885	unless (exists $self->{channel}{$channel->{id}}) {
		2886	$self->{channel}{$channel->{id}} = $channel;
		2887	$self->ext_msg (channel_info => $channel)
		2888	if $self->can_msg;
		2889	}
		2890
		2891	$channel = $channel->{id};
		2892	}
		2893
		2894	return unless @extra || length $msg;
		2895
		2896	if ($self->can_msg) {
		2897	# default colour, mask it out
		2898	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2899	if $color & cf::NDI_DEF;
		2900
		2901	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2902	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2903	} else {
		2904	if ($color >= 0) {
		2905	# replace some tags by gcfclient-compatible ones
		2906	for ($msg) {
		2907	1 while
		2908	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2909	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2910	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2911	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2912	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2913	}
		2914
		2915	$color &= cf::NDI_COLOR_MASK;
		2916
		2917	utf8::encode $msg;
		2918
		2919	if (0 && $msg =~ /\[/) {
		2920	# COMMAND/INFO
		2921	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2922	} else {
		2923	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2924	$self->send_packet ("drawinfo $color $msg")
		2925	}
		2926	}
		2927	}
		2928	}
		2929
		2930	=item $client->ext_msg ($type, @msg)
		2931
		2932	Sends an ext event to the client.
		2933
		2934	=cut
		2935
		2936	sub cf::client::ext_msg($$@) {
		2937	my ($self, $type, @msg) = @_;
		2938
		2939	if ($self->extcmd == 2) {
		2940	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2941	} elsif ($self->extcmd == 1) { # TODO: remove
		2942	push @msg, msgtype => "event_$type";
		2943	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2944	}
		2945	}
		2946
		2947	=item $client->ext_reply ($msgid, @msg)
		2948
		2949	Sends an ext reply to the client.
		2950
		2951	=cut
		2952
		2953	sub cf::client::ext_reply($$@) {
		2954	my ($self, $id, @msg) = @_;
		2955
		2956	if ($self->extcmd == 2) {
		2957	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2958	} elsif ($self->extcmd == 1) {
		2959	#TODO: version 1, remove
		2960	unshift @msg, msgtype => "reply", msgid => $id;
		2961	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2962	}
		2963	}
1917		2964
1918	=item $success = $client->query ($flags, "text", \&cb)	2965	=item $success = $client->query ($flags, "text", \&cb)
1919		2966
1920	Queues a query to the client, calling the given callback with	2967	Queues a query to the client, calling the given callback with
1921	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2968	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1922	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2969	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1923		2970
1924	Queries can fail, so check the return code. Or don't, as queries will become	2971	Queries can fail, so check the return code. Or don't, as queries will
1925	reliable at some point in the future.	2972	become reliable at some point in the future.
1926		2973
1927	=cut	2974	=cut
1928		2975
1929	sub cf::client::query {	2976	sub cf::client::query {
1930	my ($self, $flags, $text, $cb) = @_;	2977	my ($self, $flags, $text, $cb) = @_;
…		…
1938	utf8::encode $text;	2985	utf8::encode $text;
1939	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2986	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1940		2987
1941	$self->send_packet ($self->{query_queue}[0][0])	2988	$self->send_packet ($self->{query_queue}[0][0])
1942	if @{ $self->{query_queue} } == 1;	2989	if @{ $self->{query_queue} } == 1;
		2990
		2991	1
1943	}	2992	}
1944		2993
1945	cf::client->attach (	2994	cf::client->attach (
		2995	on_connect => sub {
		2996	my ($ns) = @_;
		2997
		2998	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2999	},
1946	on_reply => sub {	3000	on_reply => sub {
1947	my ($ns, $msg) = @_;	3001	my ($ns, $msg) = @_;
1948		3002
1949	# this weird shuffling is so that direct followup queries	3003	# this weird shuffling is so that direct followup queries
1950	# get handled first	3004	# get handled first
1951	my $queue = delete $ns->{query_queue}	3005	my $queue = delete $ns->{query_queue}
1952	or return; # be conservative, not sure how that can happen, but we saw a crash here	3006	or return; # be conservative, not sure how that can happen, but we saw a crash here
1953		3007
1954	(shift @$queue)->[1]->($msg);	3008	(shift @$queue)->[1]->($msg);
		3009	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1955		3010
1956	push @{ $ns->{query_queue} }, @$queue;	3011	push @{ $ns->{query_queue} }, @$queue;
1957		3012
1958	if (@{ $ns->{query_queue} } == @$queue) {	3013	if (@{ $ns->{query_queue} } == @$queue) {
1959	if (@$queue) {	3014	if (@$queue) {
…		…
1961	} else {	3016	} else {
1962	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3017	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1963	}	3018	}
1964	}	3019	}
1965	},	3020	},
		3021	on_exticmd => sub {
		3022	my ($ns, $buf) = @_;
		3023
		3024	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3025
		3026	if (ref $msg) {
		3027	my ($type, $reply, @payload) =
		3028	"ARRAY" eq ref $msg
		3029	? @$msg
		3030	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3031
		3032	my @reply;
		3033
		3034	if (my $cb = $EXTICMD{$type}) {
		3035	@reply = $cb->($ns, @payload);
		3036	}
		3037
		3038	$ns->ext_reply ($reply, @reply)
		3039	if $reply;
		3040
		3041	} else {
		3042	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3043	}
		3044
		3045	cf::override;
		3046	},
1966	);	3047	);
1967		3048
1968	=item $client->async (\&cb)	3049	=item $client->async (\&cb)
1969		3050
1970	Create a new coroutine, running the specified callback. The coroutine will	3051	Create a new coroutine, running the specified callback. The coroutine will
…		…
2011	our $safe = new Safe "safe";	3092	our $safe = new Safe "safe";
2012	our $safe_hole = new Safe::Hole;	3093	our $safe_hole = new Safe::Hole;
2013		3094
2014	$SIG{FPE} = 'IGNORE';	3095	$SIG{FPE} = 'IGNORE';
2015		3096
2016	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3097	$safe->permit_only (Opcode::opset qw(
		3098	:base_core :base_mem :base_orig :base_math
		3099	grepstart grepwhile mapstart mapwhile
		3100	sort time
		3101	));
2017		3102
2018	# here we export the classes and methods available to script code	3103	# here we export the classes and methods available to script code
2019		3104
2020	=pod	3105	=pod
2021		3106
2022	The following fucntions and emthods are available within a safe environment:	3107	The following functions and methods are available within a safe environment:
2023		3108
2024	cf::object contr pay_amount pay_player map	3109	cf::object
		3110	contr pay_amount pay_player map x y force_find force_add destroy
		3111	insert remove name archname title slaying race decrease split
		3112
2025	cf::object::player player	3113	cf::object::player
2026	cf::player peaceful	3114	player
2027	cf::map trigger	3115
		3116	cf::player
		3117	peaceful
		3118
		3119	cf::map
		3120	trigger
2028		3121
2029	=cut	3122	=cut
2030		3123
2031	for (	3124	for (
2032	["cf::object" => qw(contr pay_amount pay_player map)],	3125	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3126	insert remove inv name archname title slaying race
		3127	decrease split destroy)],
2033	["cf::object::player" => qw(player)],	3128	["cf::object::player" => qw(player)],
2034	["cf::player" => qw(peaceful)],	3129	["cf::player" => qw(peaceful)],
2035	["cf::map" => qw(trigger)],	3130	["cf::map" => qw(trigger)],
2036	) {	3131	) {
2037	no strict 'refs';	3132	no strict 'refs';
…		…
2108	=back	3203	=back
2109		3204
2110	=cut	3205	=cut
2111		3206
2112	#############################################################################	3207	#############################################################################
		3208	# the server's init and main functions
2113		3209
2114	=head2 EXTENSION DATABASE SUPPORT	3210	sub load_facedata($) {
		3211	my ($path) = @_;
2115		3212
2116	Crossfire maintains a very simple database for extension use. It can	3213	# HACK to clear player env face cache, we need some signal framework
2117	currently store anything that can be serialised using Storable, which	3214	# for this (global event?)
2118	excludes objects.	3215	%ext::player_env::MUSIC_FACE_CACHE = ();
2119		3216
2120	The parameter C<$family> should best start with the name of the extension	3217	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2121	using it, it should be unique.
2122		3218
2123	=over 4	3219	warn "loading facedata from $path\n";
2124		3220
2125	=item $hashref = cf::db_get $family	3221	my $facedata;
		3222	0 < aio_load $path, $facedata
		3223	or die "$path: $!";
2126		3224
2127	Return a hashref for use by the extension C<$family>, which can be	3225	$facedata = Coro::Storable::thaw $facedata;
2128	modified. After modifications, you have to call C<cf::db_dirty> or
2129	C<cf::db_sync>.
2130		3226
2131	=item $value = cf::db_get $family => $key	3227	$facedata->{version} == 2
		3228	or cf::cleanup "$path: version mismatch, cannot proceed.";
2132		3229
2133	Returns a single value from the database	3230	# patch in the exptable
2134		3231	$facedata->{resource}{"res/exp_table"} = {
2135	=item cf::db_put $family => $hashref	3232	type => FT_RSRC,
2136		3233	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2137	Stores the given family hashref into the database. Updates are delayed, if
2138	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2139
2140	=item cf::db_put $family => $key => $value
2141
2142	Stores the given C<$value> in the family hash. Updates are delayed, if you
2143	want the data to be synced to disk immediately, use C<cf::db_sync>.
2144
2145	=item cf::db_dirty
2146
2147	Marks the database as dirty, to be updated at a later time.
2148
2149	=item cf::db_sync
2150
2151	Immediately write the database to disk I<if it is dirty>.
2152
2153	=cut
2154
2155	our $DB;
2156
2157	{
2158	my $path = cf::localdir . "/database.pst";
2159
2160	sub db_load() {
2161	$DB = stat $path ? Storable::retrieve $path : { };
2162	}
2163
2164	my $pid;
2165
2166	sub db_save() {
2167	waitpid $pid, 0 if $pid;
2168	if (0 == ($pid = fork)) {
2169	$DB->{_meta}{version} = 1;
2170	Storable::nstore $DB, "$path~";
2171	rename "$path~", $path;
2172	cf::_exit 0 if defined $pid;
2173	}
2174	}
2175
2176	my $dirty;
2177
2178	sub db_sync() {
2179	db_save if $dirty;
2180	undef $dirty;
2181	}
2182
2183	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2184	db_sync;
2185	});	3234	};
		3235	cf::cede_to_tick;
2186		3236
2187	sub db_dirty() {
2188	$dirty = 1;
2189	$idle->start;
2190	}	3237	{
		3238	my $faces = $facedata->{faceinfo};
2191		3239
2192	sub db_get($;$) {	3240	while (my ($face, $info) = each %$faces) {
2193	@_ >= 2	3241	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2194	? $DB->{$_[0]}{$_[1]}
2195	: ($DB->{$_[0]} ||= { })
2196	}
2197		3242
2198	sub db_put($$;$) {	3243	cf::face::set_visibility $idx, $info->{visibility};
2199	if (@_ >= 3) {	3244	cf::face::set_magicmap $idx, $info->{magicmap};
2200	$DB->{$_[0]}{$_[1]} = $_[2];	3245	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2201	} else {	3246	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2202	$DB->{$_[0]} = $_[1];
2203	}
2204	db_dirty;
2205	}
2206		3247
2207	cf::global->attach (	3248	cf::cede_to_tick;
2208	prio => 10000,
2209	on_cleanup => sub {
2210	db_sync;
2211	},	3249	}
2212	);
2213	}
2214		3250
2215	#############################################################################	3251	while (my ($face, $info) = each %$faces) {
2216	# the server's main()	3252	next unless $info->{smooth};
2217		3253
2218	sub cfg_load {	3254	my $idx = cf::face::find $face
		3255	or next;
		3256
		3257	if (my $smooth = cf::face::find $info->{smooth}) {
		3258	cf::face::set_smooth $idx, $smooth;
		3259	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3260	} else {
		3261	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3262	}
		3263
		3264	cf::cede_to_tick;
		3265	}
		3266	}
		3267
		3268	{
		3269	my $anims = $facedata->{animinfo};
		3270
		3271	while (my ($anim, $info) = each %$anims) {
		3272	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3273	cf::cede_to_tick;
		3274	}
		3275
		3276	cf::anim::invalidate_all; # d'oh
		3277	}
		3278
		3279	{
		3280	# TODO: for gcfclient pleasure, we should give resources
		3281	# that gcfclient doesn't grok a >10000 face index.
		3282	my $res = $facedata->{resource};
		3283
		3284	while (my ($name, $info) = each %$res) {
		3285	if (defined $info->{type}) {
		3286	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3287	my $data;
		3288
		3289	if ($info->{type} & 1) {
		3290	# prepend meta info
		3291
		3292	my $meta = $enc->encode ({
		3293	name => $name,
		3294	%{ $info->{meta} || {} },
		3295	});
		3296
		3297	$data = pack "(w/a*)*", $meta, $info->{data};
		3298	} else {
		3299	$data = $info->{data};
		3300	}
		3301
		3302	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3303	cf::face::set_type $idx, $info->{type};
		3304	} else {
		3305	$RESOURCE{$name} = $info;
		3306	}
		3307
		3308	cf::cede_to_tick;
		3309	}
		3310	}
		3311
		3312	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3313
		3314	1
		3315	}
		3316
		3317	cf::global->attach (on_resource_update => sub {
		3318	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3319	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3320
		3321	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3322	my $sound = $soundconf->{compat}[$_]
		3323	or next;
		3324
		3325	my $face = cf::face::find "sound/$sound->[1]";
		3326	cf::sound::set $sound->[0] => $face;
		3327	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3328	}
		3329
		3330	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3331	my $face = cf::face::find "sound/$v";
		3332	cf::sound::set $k => $face;
		3333	}
		3334	}
		3335	});
		3336
		3337	register_exticmd fx_want => sub {
		3338	my ($ns, $want) = @_;
		3339
		3340	while (my ($k, $v) = each %$want) {
		3341	$ns->fx_want ($k, $v);
		3342	}
		3343	};
		3344
		3345	sub load_resource_file($) {
		3346	my $guard = lock_acquire "load_resource_file";
		3347
		3348	my $status = load_resource_file_ $_[0];
		3349	get_slot 0.1, 100;
		3350	cf::arch::commit_load;
		3351
		3352	$status
		3353	}
		3354
		3355	sub reload_regions {
		3356	# HACK to clear player env face cache, we need some signal framework
		3357	# for this (global event?)
		3358	%ext::player_env::MUSIC_FACE_CACHE = ();
		3359
		3360	load_resource_file "$MAPDIR/regions"
		3361	or die "unable to load regions file\n";
		3362
		3363	for (cf::region::list) {
		3364	$_->{match} = qr/$_->{match}/
		3365	if exists $_->{match};
		3366	}
		3367	}
		3368
		3369	sub reload_facedata {
		3370	load_facedata "$DATADIR/facedata"
		3371	or die "unable to load facedata\n";
		3372	}
		3373
		3374	sub reload_archetypes {
		3375	load_resource_file "$DATADIR/archetypes"
		3376	or die "unable to load archetypes\n";
		3377	}
		3378
		3379	sub reload_treasures {
		3380	load_resource_file "$DATADIR/treasures"
		3381	or die "unable to load treasurelists\n";
		3382	}
		3383
		3384	sub reload_resources {
		3385	warn "reloading resource files...\n";
		3386
		3387	reload_facedata;
		3388	reload_archetypes;
		3389	reload_regions;
		3390	reload_treasures;
		3391
		3392	warn "finished reloading resource files\n";
		3393	}
		3394
		3395	sub init {
		3396	my $guard = freeze_mainloop;
		3397
		3398	reload_resources;
		3399	}
		3400
		3401	sub reload_config {
2219	open my $fh, "<:utf8", cf::confdir . "/config"	3402	open my $fh, "<:utf8", "$CONFDIR/config"
2220	or return;	3403	or return;
2221		3404
2222	local $/;	3405	local $/;
2223	*CFG = YAML::Syck::Load <$fh>;	3406	*CFG = YAML::Load <$fh>;
2224		3407
2225	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2226		3409
2227	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3410	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2228	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3411	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2239	sub main {	3422	sub main {
2240	# we must not ever block the main coroutine	3423	# we must not ever block the main coroutine
2241	local $Coro::idle = sub {	3424	local $Coro::idle = sub {
2242	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3425	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2243	(async {	3426	(async {
2244	Event::one_event;	3427	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3428	EV::loop EV::LOOP_ONESHOT;
2245	})->prio (Coro::PRIO_MAX);	3429	})->prio (Coro::PRIO_MAX);
2246	};	3430	};
2247		3431
2248	cfg_load;	3432	{
2249	db_load;	3433	my $guard = freeze_mainloop;
		3434	reload_config;
		3435	db_init;
2250	load_extensions;	3436	load_extensions;
2251		3437
2252	$TICK_WATCHER->start;	3438	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3439	evthread_start IO::AIO::poll_fileno;
		3440	}
		3441
2253	Event::loop;	3442	EV::loop;
2254	}	3443	}
2255		3444
2256	#############################################################################	3445	#############################################################################
2257	# initialisation and cleanup	3446	# initialisation and cleanup
2258		3447
2259	# install some emergency cleanup handlers	3448	# install some emergency cleanup handlers
2260	BEGIN {	3449	BEGIN {
		3450	our %SIGWATCHER = ();
2261	for my $signal (qw(INT HUP TERM)) {	3451	for my $signal (qw(INT HUP TERM)) {
2262	Event->signal (	3452	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2263	data => WF_AUTOCANCEL,
2264	signal => $signal,
2265	cb => sub {
2266	cf::cleanup "SIG$signal";	3453	cf::cleanup "SIG$signal";
2267	},
2268	);	3454	};
		3455	}
		3456	}
		3457
		3458	sub write_runtime_sync {
		3459	my $runtime = "$LOCALDIR/runtime";
		3460
		3461	# first touch the runtime file to show we are still running:
		3462	# the fsync below can take a very very long time.
		3463
		3464	IO::AIO::aio_utime $runtime, undef, undef;
		3465
		3466	my $guard = cf::lock_acquire "write_runtime";
		3467
		3468	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3469	or return;
		3470
		3471	my $value = $cf::RUNTIME + 90 + 10;
		3472	# 10 is the runtime save interval, for a monotonic clock
		3473	# 60 allows for the watchdog to kill the server.
		3474
		3475	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3476	and return;
		3477
		3478	# always fsync - this file is important
		3479	aio_fsync $fh
		3480	and return;
		3481
		3482	# touch it again to show we are up-to-date
		3483	aio_utime $fh, undef, undef;
		3484
		3485	close $fh
		3486	or return;
		3487
		3488	aio_rename "$runtime~", $runtime
		3489	and return;
		3490
		3491	warn "runtime file written.\n";
		3492
2269	}	3493	1
		3494	}
		3495
		3496	our $uuid_lock;
		3497	our $uuid_skip;
		3498
		3499	sub write_uuid_sync($) {
		3500	$uuid_skip ||= $_[0];
		3501
		3502	return if $uuid_lock;
		3503	local $uuid_lock = 1;
		3504
		3505	my $uuid = "$LOCALDIR/uuid";
		3506
		3507	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3508	or return;
		3509
		3510	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3511	$uuid_skip = 0;
		3512
		3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3514	and return;
		3515
		3516	# always fsync - this file is important
		3517	aio_fsync $fh
		3518	and return;
		3519
		3520	close $fh
		3521	or return;
		3522
		3523	aio_rename "$uuid~", $uuid
		3524	and return;
		3525
		3526	warn "uuid file written ($value).\n";
		3527
		3528	1
		3529
		3530	}
		3531
		3532	sub write_uuid($$) {
		3533	my ($skip, $sync) = @_;
		3534
		3535	$sync ? write_uuid_sync $skip
		3536	: async { write_uuid_sync $skip };
2270	}	3537	}
2271		3538
2272	sub emergency_save() {	3539	sub emergency_save() {
2273	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
2274		3541
…		…
2280	# and maps saved/destroyed asynchronously.	3547	# and maps saved/destroyed asynchronously.
2281	warn "begin emergency player save\n";	3548	warn "begin emergency player save\n";
2282	for my $login (keys %cf::PLAYER) {	3549	for my $login (keys %cf::PLAYER) {
2283	my $pl = $cf::PLAYER{$login} or next;	3550	my $pl = $cf::PLAYER{$login} or next;
2284	$pl->valid or next;	3551	$pl->valid or next;
		3552	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2285	$pl->save;	3553	$pl->save;
2286	}	3554	}
2287	warn "end emergency player save\n";	3555	warn "end emergency player save\n";
2288		3556
2289	warn "begin emergency map save\n";	3557	warn "begin emergency map save\n";
…		…
2291	my $map = $cf::MAP{$path} or next;	3559	my $map = $cf::MAP{$path} or next;
2292	$map->valid or next;	3560	$map->valid or next;
2293	$map->save;	3561	$map->save;
2294	}	3562	}
2295	warn "end emergency map save\n";	3563	warn "end emergency map save\n";
		3564
		3565	warn "begin emergency database checkpoint\n";
		3566	BDB::db_env_txn_checkpoint $DB_ENV;
		3567	warn "end emergency database checkpoint\n";
		3568
		3569	warn "begin write uuid\n";
		3570	write_uuid_sync 1;
		3571	warn "end write uuid\n";
2296	};	3572	};
2297		3573
2298	warn "leave emergency perl save\n";	3574	warn "leave emergency perl save\n";
2299	}	3575	}
2300		3576
		3577	sub post_cleanup {
		3578	my ($make_core) = @_;
		3579
		3580	warn Carp::longmess "post_cleanup backtrace"
		3581	if $make_core;
		3582	}
		3583
2301	sub reload() {	3584	sub do_reload_perl() {
2302	# can/must only be called in main	3585	# can/must only be called in main
2303	if ($Coro::current != $Coro::main) {	3586	if ($Coro::current != $Coro::main) {
2304	warn "can only reload from main coroutine";	3587	warn "can only reload from main coroutine";
2305	return;	3588	return;
2306	}	3589	}
2307		3590
2308	warn "reloading...";	3591	warn "reloading...";
2309		3592
2310	warn "cancelling server ticker";	3593	warn "entering sync_job";
2311	$TICK_WATCHER->cancel;
2312		3594
		3595	cf::sync_job {
		3596	cf::write_runtime_sync; # external watchdog should not bark
2313	cf::emergency_save;	3597	cf::emergency_save;
		3598	cf::write_runtime_sync; # external watchdog should not bark
2314		3599
2315	eval {	3600	warn "syncing database to disk";
		3601	BDB::db_env_txn_checkpoint $DB_ENV;
		3602
2316	# if anything goes wrong in here, we should simply crash as we already saved	3603	# if anything goes wrong in here, we should simply crash as we already saved
2317
2318	warn "syncing database to disk";
2319	cf::db_sync;
2320
2321	warn "cancelling all WF_AUTOCANCEL watchers";
2322	for (Event::all_watchers) {
2323	$_->cancel if $_->data & WF_AUTOCANCEL;
2324	}
2325		3604
2326	warn "flushing outstanding aio requests";	3605	warn "flushing outstanding aio requests";
2327	for (;;) {	3606	for (;;) {
		3607	BDB::flush;
2328	IO::AIO::flush;	3608	IO::AIO::flush;
2329	Coro::cede;	3609	Coro::cede_notself;
2330	last unless IO::AIO::nreqs;	3610	last unless IO::AIO::nreqs || BDB::nreqs;
2331	warn "iterate...";	3611	warn "iterate...";
2332	}	3612	}
		3613
		3614	++$RELOAD;
2333		3615
2334	warn "cancelling all extension coros";	3616	warn "cancelling all extension coros";
2335	$_->cancel for values %EXT_CORO;	3617	$_->cancel for values %EXT_CORO;
2336	%EXT_CORO = ();	3618	%EXT_CORO = ();
2337		3619
2338	warn "removing commands";	3620	warn "removing commands";
2339	%COMMAND = ();	3621	%COMMAND = ();
2340		3622
2341	warn "removing ext commands";	3623	warn "removing ext/exti commands";
2342	%EXTCMD = ();	3624	%EXTCMD = ();
		3625	%EXTICMD = ();
2343		3626
2344	warn "unloading/nuking all extensions";	3627	warn "unloading/nuking all extensions";
2345	for my $pkg (@EXTS) {	3628	for my $pkg (@EXTS) {
2346	warn "... unloading $pkg";	3629	warn "... unloading $pkg";
2347		3630
…		…
2377	Symbol::delete_package "safe::$_"	3660	Symbol::delete_package "safe::$_"
2378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3661	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2379		3662
2380	warn "unloading cf.pm \"a bit\"";	3663	warn "unloading cf.pm \"a bit\"";
2381	delete $INC{"cf.pm"};	3664	delete $INC{"cf.pm"};
		3665	delete $INC{"cf/pod.pm"};
2382		3666
2383	# don't, removes xs symbols, too,	3667	# don't, removes xs symbols, too,
2384	# and global variables created in xs	3668	# and global variables created in xs
2385	#Symbol::delete_package __PACKAGE__;	3669	#Symbol::delete_package __PACKAGE__;
2386		3670
…		…
2389	warn "reloading cf.pm";	3673	warn "reloading cf.pm";
2390	require cf;	3674	require cf;
2391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3675	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2392		3676
2393	warn "loading config and database again";	3677	warn "loading config and database again";
2394	cf::cfg_load;	3678	cf::reload_config;
2395	cf::db_load;
2396		3679
2397	warn "loading extensions";	3680	warn "loading extensions";
2398	cf::load_extensions;	3681	cf::load_extensions;
2399		3682
2400	warn "reattaching attachments to objects/players";	3683	warn "reattaching attachments to objects/players";
2401	_global_reattach;	3684	_global_reattach; # objects, sockets
2402	warn "reattaching attachments to maps";	3685	warn "reattaching attachments to maps";
2403	reattach $_ for values %MAP;	3686	reattach $_ for values %MAP;
		3687	warn "reattaching attachments to players";
		3688	reattach $_ for values %PLAYER;
2404		3689
2405	warn "restarting server ticker";	3690	warn "leaving sync_job";
2406		3691
2407	$TICK_WATCHER->start;	3692	1
		3693	} or do {
		3694	warn $@;
		3695	cf::cleanup "error while reloading, exiting.";
2408	};	3696	};
2409
2410	if ($@) {
2411	warn $@;
2412	warn "error while reloading, exiting.";
2413	exit 1;
2414	}
2415		3697
2416	warn "reloaded";	3698	warn "reloaded";
2417	};	3699	};
2418		3700
2419	our $RELOAD_WATCHER; # used only during reload	3701	our $RELOAD_WATCHER; # used only during reload
2420		3702
		3703	sub reload_perl() {
		3704	# doing reload synchronously and two reloads happen back-to-back,
		3705	# coro crashes during coro_state_free->destroy here.
		3706
		3707	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3708	do_reload_perl;
		3709	undef $RELOAD_WATCHER;
		3710	};
		3711	}
		3712
2421	register_command "reload" => sub {	3713	register_command "reload" => sub {
2422	my ($who, $arg) = @_;	3714	my ($who, $arg) = @_;
2423		3715
2424	if ($who->flag (FLAG_WIZ)) {	3716	if ($who->flag (FLAG_WIZ)) {
2425	$who->message ("reloading server.");	3717	$who->message ("reloading server.");
2426		3718	async {
2427	# doing reload synchronously and two reloads happen back-to-back,	3719	$Coro::current->{desc} = "perl_reload";
2428	# coro crashes during coro_state_free->destroy here.
2429
2430	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2431	reload;	3720	reload_perl;
2432	undef $RELOAD_WATCHER;
2433	});	3721	};
2434	}	3722	}
2435	};	3723	};
2436		3724
2437	unshift @INC, $LIBDIR;	3725	unshift @INC, $LIBDIR;
2438		3726
2439	my $bug_warning = 0;	3727	my $bug_warning = 0;
2440		3728
2441	$TICK_WATCHER = Event->timer (	3729	our @WAIT_FOR_TICK;
2442	reentrant => 0,	3730	our @WAIT_FOR_TICK_BEGIN;
2443	parked => 1,	3731
2444	prio => 0,	3732	sub wait_for_tick {
2445	at => $NEXT_TICK || $TICK,	3733	return if tick_inhibit || $Coro::current == $Coro::main;
2446	data => WF_AUTOCANCEL,	3734
2447	cb => sub {	3735	my $signal = new Coro::Signal;
		3736	push @WAIT_FOR_TICK, $signal;
		3737	$signal->wait;
		3738	}
		3739
		3740	sub wait_for_tick_begin {
		3741	return if tick_inhibit || $Coro::current == $Coro::main;
		3742
		3743	my $signal = new Coro::Signal;
		3744	push @WAIT_FOR_TICK_BEGIN, $signal;
		3745	$signal->wait;
		3746	}
		3747
		3748	sub tick {
2448	if ($Coro::current != $Coro::main) {	3749	if ($Coro::current != $Coro::main) {
2449	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3750	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2450	unless ++$bug_warning > 10;	3751	unless ++$bug_warning > 10;
2451	return;	3752	return;
2452	}	3753	}
2453		3754
2454	$NOW = Event::time;
2455
2456	cf::server_tick; # one server iteration	3755	cf::server_tick; # one server iteration
2457	$RUNTIME += $TICK;
2458	$NEXT_TICK += $TICK;
2459		3756
2460	$WAIT_FOR_TICK->broadcast;	3757	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2461	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3758	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2462		3759	Coro::async_pool {
2463	# if we are delayed by four ticks or more, skip them all	3760	$Coro::current->{desc} = "runtime saver";
2464	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2465
2466	$TICK_WATCHER->at ($NEXT_TICK);
2467	$TICK_WATCHER->start;
2468	},
2469	);
2470
2471	IO::AIO::max_poll_time $TICK * 0.2;
2472
2473	$AIO_POLL_WATCHER = Event->io (
2474	fd => IO::AIO::poll_fileno,
2475	poll => 'r',
2476	prio => 5,
2477	data => WF_AUTOCANCEL,
2478	cb => \&IO::AIO::poll_cb,
2479	);
2480
2481	$WRITE_RUNTIME_WATCHER = Event->timer (
2482	data => WF_AUTOCANCEL,
2483	after => 1,
2484	interval => 10,
2485	prio => 6, # keep it lowest so it acts like a watchdog
2486	cb => Coro::unblock_sub {
2487	write_runtime	3761	write_runtime_sync
2488	or warn "ERROR: unable to write runtime file: $!";	3762	or warn "ERROR: unable to write runtime file: $!";
		3763	};
2489	},	3764	}
2490	);	3765
		3766	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3767	$sig->send;
		3768	}
		3769	while (my $sig = shift @WAIT_FOR_TICK) {
		3770	$sig->send;
		3771	}
		3772
		3773	$LOAD = ($NOW - $TICK_START) / $TICK;
		3774	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3775
		3776	if (0) {
		3777	if ($NEXT_TICK) {
		3778	my $jitter = $TICK_START - $NEXT_TICK;
		3779	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3780	warn "jitter $JITTER\n";#d#
		3781	}
		3782	}
		3783	}
		3784
		3785	{
		3786	# configure BDB
		3787
		3788	BDB::min_parallel 8;
		3789	BDB::max_poll_reqs $TICK * 0.1;
		3790	$Coro::BDB::WATCHER->priority (1);
		3791
		3792	unless ($DB_ENV) {
		3793	$DB_ENV = BDB::db_env_create;
		3794	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3795	| BDB::LOG_AUTOREMOVE, 1);
		3796	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3797	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3798
		3799	cf::sync_job {
		3800	eval {
		3801	BDB::db_env_open
		3802	$DB_ENV,
		3803	$BDBDIR,
		3804	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3805	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3806	0666;
		3807
		3808	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3809	};
		3810
		3811	cf::cleanup "db_env_open(db): $@" if $@;
		3812	};
		3813	}
		3814
		3815	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3816	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3817	};
		3818	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3819	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3820	};
		3821	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3822	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3823	};
		3824	}
		3825
		3826	{
		3827	# configure IO::AIO
		3828
		3829	IO::AIO::min_parallel 8;
		3830	IO::AIO::max_poll_time $TICK * 0.1;
		3831	$Coro::AIO::WATCHER->priority (1);
		3832	}
		3833
		3834	my $_log_backtrace;
		3835
		3836	sub _log_backtrace {
		3837	my ($msg, @addr) = @_;
		3838
		3839	$msg =~ s/\n//;
		3840
		3841	# limit the # of concurrent backtraces
		3842	if ($_log_backtrace < 2) {
		3843	++$_log_backtrace;
		3844	async {
		3845	$Coro::current->{desc} = "abt $msg";
		3846
		3847	my @bt = fork_call {
		3848	@addr = map { sprintf "%x", $_ } @addr;
		3849	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3850	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3851	or die "addr2line: $!";
		3852
		3853	my @funcs;
		3854	my @res = <$fh>;
		3855	chomp for @res;
		3856	while (@res) {
		3857	my ($func, $line) = splice @res, 0, 2, ();
		3858	push @funcs, "[$func] $line";
		3859	}
		3860
		3861	@funcs
		3862	};
		3863
		3864	LOG llevInfo, "[ABT] $msg\n";
		3865	LOG llevInfo, "[ABT] $_\n" for @bt;
		3866	--$_log_backtrace;
		3867	};
		3868	} else {
		3869	LOG llevInfo, "[ABT] $msg\n";
		3870	LOG llevInfo, "[ABT] [suppressed]\n";
		3871	}
		3872	}
		3873
		3874	# load additional modules
		3875	use cf::pod;
2491		3876
2492	END { cf::emergency_save }	3877	END { cf::emergency_save }
2493		3878
2494	1	3879	1
2495		3880

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