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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.184 by root, Fri Jan 19 22:47:57 2007 UTC vs.
Revision 1.429 by root, Sat May 3 15:17:13 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 + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	539	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		540
358	aio_fsync $fh	541	sub fork_call(&@) {
359	and return;	542	my ($cb, @args) = @_;
360		543
361	close $fh	544	# we seemingly have to make a local copy of the whole thing,
362	or return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
363		547
364	aio_rename "$runtime~", $runtime	548	my @res = Coro::Util::fork_eval {
365	and return;	549	reset_signals;
		550	&$cb
		551	}, @args;
366		552
		553	wantarray ? @res : $res[-1]
		554	}
		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($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
367	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		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 });
368	}	719	}
369		720
370	=back	721	=back
371		722
372	=cut	723	=cut
…		…
379	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")
380	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
381		732
382	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>
383	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
384	crossfire+).	735	Deliantra).
385		736
386	=over 4	737	=over 4
387		738
388	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
389		740
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
553		904
554	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		909
559	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	911	my $pkg = shift @arg;
561		912
562	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
592	}	943	}
593		944
594	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
595	} else {	946	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	948	}
598		949
599	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
600	}	951	}
601		952
…		…
603	if (ref $_[0]) {	954	if (ref $_[0]) {
604	_object_attach @_;	955	_object_attach @_;
605	} else {	956	} else {
606	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
607	}	958	}
		959	_recalc_want;
608	};	960	};
609		961
610	# all those should be optimised	962	# all those should be optimised
611	sub cf::attachable::detach {	963	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
616	reattach ($obj);	968	reattach ($obj);
617	} else {	969	} else {
618	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
619	}	971	}
		972	_recalc_want;
620	};	973	};
621		974
622	sub cf::attachable::attached {	975	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
624		977
…		…
639	";	992	";
640	die if $@;	993	die if $@;
641	}	994	}
642		995
643	our $override;	996	our $override;
644	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?
645		998
646	sub override {	999	sub override {
647	$override = 1;	1000	$override = 1;
648	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
649	}	1002	}
650		1003
651	sub do_invoke {	1004	sub do_invoke {
652	my $event = shift;	1005	my $event = shift;
653	my $callbacks = shift;	1006	my $callbacks = shift;
654		1007
655	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
656		1009
657	local $override;	1010	local $override;
658		1011
659	for (@$callbacks) {	1012	for (@$callbacks) {
660	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
669	}	1022	}
670		1023
671	0	1024	0
672	}	1025	}
673		1026
674	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675		1028
676	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677		1030
678	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
679		1032
680	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
681	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
682	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		1036
684	=back	1037	=back
685		1038
686	=cut	1039	=cut
687		1040
688	#############################################################################	1041	#############################################################################
689	# 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, $ob2
		1084	}
690		1085
691	sub reattach {	1086	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	1088	my ($obj) = @_;
694		1089
…		…
715	cf::attachable->attach (	1110	cf::attachable->attach (
716	prio => -1000000,	1111	prio => -1000000,
717	on_instantiate => sub {	1112	on_instantiate => sub {
718	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
719		1114
720	$data = from_json $data;	1115	$data = decode_json $data;
721		1116
722	for (@$data) {	1117	for (@$data) {
723	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
724		1119
725	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
741	sub object_freezer_save {	1136	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
743		1138
744	sync_job {	1139	sync_job {
745	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
748		1144
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1148	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1149	aio_close $fh;
754		1150
755	if (@$objs) {	1151	if (@$objs) {
756	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) {
757	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1156	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1157	aio_close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
763	}	1159	}
764	} else {	1160	} else {
765	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
766	}	1162	}
…		…
771	}	1167	}
772	} else {	1168	} else {
773	aio_unlink $filename;	1169	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
775	}	1171	}
776	}	1172	};
777	}	1173	}
778		1174
779	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
781		1177
…		…
793	or return;	1189	or return;
794		1190
795	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
797	or return;	1193	or return;
		1194
798	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
799	}	1197	}
800		1198
		1199	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
803	return ($data, $av);	1203	($data, $av)
804	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
805		1211
806	#############################################################################	1212	#############################################################################
807	# command handling &c	1213	# command handling &c
808		1214
809	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1229	}
824		1230
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1232
827	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.
828		1238
829	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
830	called.	1240	called.
831		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
832	=cut	1253	=cut
833		1254
834	sub register_extcmd {	1255	sub register_extcmd {
835	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
836		1257
837	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
838	}	1265	}
839		1266
840	cf::player->attach (	1267	cf::player->attach (
841	on_command => sub {	1268	on_command => sub {
842	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1278	cf::override;
852	},	1279	},
853	on_extcmd => sub {	1280	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
855		1282
856	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1284
858	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
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
864	} else {	1300	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1302	}
867		1303
868	cf::override;	1304	cf::override;
869	},	1305	},
870	);	1306	);
871		1307
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
907	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1313	next unless -r $path;
909	eval {	1314
910	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	$progress = 1;
911	1	1371	}
912	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
913	}	1377	};
914	}	1378	}
915		1379
916	#############################################################################	1380	#############################################################################
917		1381
		1382	=back
		1383
918	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
919		1385
920	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
921		1387
922	=cut	1388	=cut
…		…
927		1393
928	=head3 cf::player	1394	=head3 cf::player
929		1395
930	=over 4	1396	=over 4
931		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
932	=item cf::player::find $login	1412	=item cf::player::find $login
933		1413
934	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
935		1415
936	=cut	1416	=cut
937		1417
938	sub playerdir($) {	1418	sub playerdir($) {
939	cf::localdir	1419	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1421	}
945		1422
946	sub path($) {	1423	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1425
949	(playerdir $login) . "/$login.pl"	1426	(playerdir $login) . "/playerdata"
950	}	1427	}
951		1428
952	sub find_active($) {	1429	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1430	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1431	and $cf::PLAYER{$_[0]}->active
…		…
967	my $login = $_[0];	1444	my $login = $_[0];
968		1445
969	my $guard = cf::lock_acquire "user_find:$login";	1446	my $guard = cf::lock_acquire "user_find:$login";
970		1447
971	$cf::PLAYER{$_[0]} || do {	1448	$cf::PLAYER{$_[0]} || do {
972	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
973	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;
974	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
975	}	1465	}
976	}	1466	}
977	}	1467	}
978		1468
…		…
987	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
988		1478
989	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
991		1481
		1482	cf::get_slot 0.01;
		1483
992	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
993	Coro::cede;	1485	cf::cede_to_tick;
994	}	1486	}
995		1487
996	sub new($) {	1488	sub new($) {
997	my ($login) = @_;	1489	my ($login) = @_;
998		1490
…		…
1004	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1005		1497
1006	$self	1498	$self
1007	}	1499	}
1008		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
1009	=item $pl->quit_character	1511	=item $pl->quit_character
1010		1512
1011	Nukes the player without looking back. If logged in, the connection will	1513	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1514	be destroyed. May block for a long time.
1013		1515
1014	=cut	1516	=cut
1015		1517
1016	sub quit_character {	1518	sub quit_character {
1017	my ($pl) = @_;	1519	my ($pl) = @_;
		1520
		1521	my $name = $pl->ob->name;
1018		1522
1019	$pl->{deny_save} = 1;	1523	$pl->{deny_save} = 1;
1020	$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
1021		1525
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1526	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1531	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1532	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1533	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1534	delete $cf::PLAYER{$pl->ob->name};
1031	$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
1032	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;
1033	}	1557	}
1034		1558
1035	=item cf::player::list_logins	1559	=item cf::player::list_logins
1036		1560
1037	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
1038	while and may block, so not sync_job-capable, ever.	1562	while and may block, so not sync_job-capable, ever.
1039		1563
1040	=cut	1564	=cut
1041		1565
1042	sub list_logins {	1566	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1567	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1568	or return [];
1045		1569
1046	my @logins;	1570	my @logins;
1047		1571
1048	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") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1578	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1579	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1580	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1581	}
1052		1582
1053	utf8::decode $login;	1583	utf8::decode $login;
1054	push @logins, $login;	1584	push @logins, $login;
1055	}	1585	}
1056		1586
…		…
1064		1594
1065	=cut	1595	=cut
1066		1596
1067	sub maps($) {	1597	sub maps($) {
1068	my ($pl) = @_;	1598	my ($pl) = @_;
		1599
		1600	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1601
1070	my $files = aio_readdir playerdir $pl	1602	my $files = aio_readdir playerdir $pl
1071	or return;	1603	or return;
1072		1604
1073	my @paths;	1605	my @paths;
…		…
1075	for (@$files) {	1607	for (@$files) {
1076	utf8::decode $_;	1608	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1609	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1610	next unless /^$PATH_SEP/o;
1079		1611
1080	s/\.map$//;	1612	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1613	}
1083		1614
1084	\@paths	1615	\@paths
1085	}	1616	}
1086		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
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1711	=item $player->ext_reply ($msgid, @msg)
1088		1712
1089	Sends an ext reply to the player.	1713	Sends an ext reply to the player.
1090		1714
1091	=cut	1715	=cut
1092		1716
1093	sub ext_reply($$$%) {	1717	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1718	my ($self, $id, @msg) = @_;
1095		1719
1096	$msg{msgid} = $id;	1720	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1721	}
1100		1722
1101	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	}
1102		1763
1103	=back	1764	=back
1104
1105		1765
1106	=head3 cf::map	1766	=head3 cf::map
1107		1767
1108	=over 4	1768	=over 4
1109		1769
…		…
1121	our $MAX_RESET = 3600;	1781	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1782	our $DEFAULT_RESET = 3000;
1123		1783
1124	sub generate_random_map {	1784	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1785	my ($self, $rmp) = @_;
		1786
		1787	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1788
1126	# mit "rum" bekleckern, nicht	1789	# mit "rum" bekleckern, nicht
1127	$self->_create_random_map (	1790	$self->_create_random_map (
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1793	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1800	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1801	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1802	)
1140	}	1803	}
1141		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
1142	sub register {	1813	sub register {
1143	my (undef, $regex) = @_;	1814	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1815	my $pkg = caller;
1145		1816
1146	no strict;	1817	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1818	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1819
1149	$EXT_MAP{$pkg} = qr<$regex>;	1820	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1821	}
1151		1822
1152	# also paths starting with '/'	1823	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1824	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1825
1155	sub thawer_merge {	1826	sub thawer_merge {
1156	my ($self, $merge) = @_;	1827	my ($self, $merge) = @_;
1157		1828
1158	# we have to keep some variables in memory intact	1829	# we have to keep some variables in memory intact
1159	local $self->{path};	1830	local $self->{path};
1160	local $self->{load_path};	1831	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1832
1164	$self->SUPER::thawer_merge ($merge);	1833	$self->SUPER::thawer_merge ($merge);
1165	}	1834	}
1166		1835
1167	sub normalise {	1836	sub normalise {
1168	my ($path, $base) = @_;	1837	my ($path, $base) = @_;
		1838
		1839	$path = "$path"; # make sure its a string
		1840
		1841	$path =~ s/\.map$//;
1169		1842
1170	# map plan:	1843	# map plan:
1171	#	1844	#
1172	# /! non-realised random map exit (special hack!)	1845	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1846	# {... are special paths that are not being touched
…		…
1201		1874
1202	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
1203		1876
1204	$path = normalise $path, $base;	1877	$path = normalise $path, $base;
1205		1878
1206	for my $pkg (keys %EXT_MAP) {	1879	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1880	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1881	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1882	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1883	$self->init; # pass $1 etc.
1211	return $self;	1884	return $self;
1212	}	1885	}
1213	}	1886	}
1214		1887
1215	Carp::carp "unable to resolve path '$path'.";	1888	Carp::cluck "unable to resolve path '$path' (base '$base').";
1216	()	1889	()
1217	}	1890	}
1218		1891
1219	sub init {	1892	sub init {
1220	my ($self) = @_;	1893	my ($self) = @_;
…		…
1235		1908
1236	# the original (read-only) location	1909	# the original (read-only) location
1237	sub load_path {	1910	sub load_path {
1238	my ($self) = @_;	1911	my ($self) = @_;
1239		1912
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1913	"$MAPDIR/$self->{path}.map"
1241	}	1914	}
1242		1915
1243	# the temporary/swap location	1916	# the temporary/swap location
1244	sub save_path {	1917	sub save_path {
1245	my ($self) = @_;	1918	my ($self) = @_;
1246		1919
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1920	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1921	"$TMPDIR/$path.map"
1249	}	1922	}
1250		1923
1251	# the unique path, undef == no special unique path	1924	# the unique path, undef == no special unique path
1252	sub uniq_path {	1925	sub uniq_path {
1253	my ($self) = @_;	1926	my ($self) = @_;
1254		1927
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1929	"$UNIQUEDIR/$path"
1257	}	1930	}
1258		1931
1259	# and all this just because we cannot iterate over	1932	# and all this just because we cannot iterate over
1260	# all maps in C++...	1933	# all maps in C++...
1261	sub change_all_map_light {	1934	sub change_all_map_light {
…		…
1263		1936
1264	$_->change_map_light ($change)	1937	$_->change_map_light ($change)
1265	for grep $_->outdoor, values %cf::MAP;	1938	for grep $_->outdoor, values %cf::MAP;
1266	}	1939	}
1267		1940
		1941	sub decay_objects {
		1942	my ($self) = @_;
		1943
		1944	return if $self->{deny_reset};
		1945
		1946	$self->do_decay_objects;
		1947	}
		1948
1268	sub unlink_save {	1949	sub unlink_save {
1269	my ($self) = @_;	1950	my ($self) = @_;
1270		1951
1271	utf8::encode (my $save = $self->save_path);	1952	utf8::encode (my $save = $self->save_path);
1272	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1953	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1275		1956
1276	sub load_header_from($) {	1957	sub load_header_from($) {
1277	my ($self, $path) = @_;	1958	my ($self, $path) = @_;
1278		1959
1279	utf8::encode $path;	1960	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	1961	my $f = new_from_file cf::object::thawer $path
1281	or return;	1962	or return;
1282		1963
1283	$self->_load_header ($path)	1964	$self->_load_header ($f)
1284	or return;	1965	or return;
1285		1966
		1967	local $MAP_LOADING{$self->{path}} = $self;
		1968	$f->resolve_delayed_derefs;
		1969
1286	$self->{load_path} = $path;	1970	$self->{load_path} = $path;
1287		1971
1288	1	1972	1
1289	}	1973	}
1290		1974
1291	sub load_orig {	1975	sub load_header_orig {
1292	my ($self) = @_;	1976	my ($self) = @_;
1293		1977
1294	$self->load_header_from ($self->load_path)	1978	$self->load_header_from ($self->load_path)
1295	}	1979	}
1296		1980
1297	sub load_temp {	1981	sub load_header_temp {
1298	my ($self) = @_;	1982	my ($self) = @_;
1299		1983
1300	$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;
1301	}	2004	}
1302		2005
1303	sub load_header {	2006	sub load_header {
1304	my ($self) = @_;	2007	my ($self) = @_;
1305		2008
1306	if ($self->load_temp) {	2009	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	2010	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	2011	} else {
1313	$self->load_orig	2012	$self->load_header_orig
1314	or return;	2013	or return;
1315		2014	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	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;
1321		2022
1322	1	2023	1
1323	}	2024	}
1324		2025
1325	sub find;	2026	sub find;
1326	sub find {	2027	sub find {
1327	my ($path, $origin) = @_;	2028	my ($path, $origin) = @_;
1328		2029
1329	$path = normalise $path, $origin && $origin->path;	2030	$path = normalise $path, $origin && $origin->path;
1330		2031
		2032	cf::lock_wait "map_data:$path";#d#remove
1331	cf::lock_wait "map_find:$path";	2033	cf::lock_wait "map_find:$path";
1332		2034
1333	$cf::MAP{$path} || do {	2035	$cf::MAP{$path} || do {
		2036	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1334	my $guard = cf::lock_acquire "map_find:$path";	2037	my $guard2 = cf::lock_acquire "map_find:$path";
		2038
1335	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1336	or return;	2040	or return;
1337		2041
1338	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1339		2043
1340	$map->load_header	2044	$map->load_header
1341	or return;	2045	or return;
1342		2046
1343	if ($map->should_reset) {	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2048	# doing this can freeze the server in a sync job, obviously
1344	$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1345	$map->reset;	2052	$map->reset;
1346	undef $guard;
1347	$map = find $path	2053	return find $path;
1348	or return;
1349	}	2054	}
1350		2055
1351	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1352	}	2057	}
1353	}	2058	}
		2059
		2060	sub pre_load { }
		2061	sub post_load { }
1354		2062
1355	sub load {	2063	sub load {
1356	my ($self) = @_;	2064	my ($self) = @_;
1357		2065
		2066	local $self->{deny_reset} = 1; # loading can take a long time
		2067
1358	my $path = $self->{path};	2068	my $path = $self->{path};
		2069
		2070	{
1359	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1360		2072
		2073	return unless $self->valid;
1361	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1362		2075
1363	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1364		2077
1365	$self->alloc;	2078	$self->alloc;
1366	$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)
1367	or return;	2086	or return;
1368		2087
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1370	if delete $self->{load_original};	2089	if delete $self->{load_original};
1371		2090
1372	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;	2092	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1375	$self->clear_unique_items;	2095	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1377	}	2099	}
1378	}	2100	}
1379		2101
1380	Coro::cede;	2102	$f->resolve_delayed_derefs;
1381		2103
		2104	cf::cede_to_tick;
1382	# now do the right thing for maps	2105	# now do the right thing for maps
1383	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1384
1385	unless ($self->{deny_activate}) {
1386	$self->decay_objects;
1387	$self->fix_auto_apply;
1388	$self->update_buttons;
1389	Coro::cede;
1390	$self->set_darkness_map;
1391	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	2108	unless $self->difficulty;
1393	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;
1394	$self->activate;	2118	$self->activate;
1395	}	2119	}
1396		2120
		2121	$self->{last_save} = $cf::RUNTIME;
		2122	$self->last_access ($cf::RUNTIME);
		2123
1397	$self->in_memory (cf::MAP_IN_MEMORY);	2124	$self->in_memory (cf::MAP_ACTIVE);
		2125	}
		2126
		2127	$self->post_load;
1398	}	2128	}
1399		2129
1400	sub customise_for {	2130	sub customise_for {
1401	my ($self, $ob) = @_;	2131	my ($self, $ob) = @_;
1402		2132
1403	return find "~" . $ob->name . "/" . $self->{path}	2133	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	2134	if $self->per_player;
1405		2135
		2136	# return find "?party/" . $ob->name . "/" . $self->{path}
		2137	# if $self->per_party;
		2138
1406	$self	2139	$self
1407	}	2140	}
1408		2141
1409	# 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
1410	sub load_diag {	2143	sub load_neighbours {
1411	my ($map) = @_;	2144	my ($map) = @_;
1412		2145
1413	my @diag; # diagonal neighbours	2146	my @neigh; # diagonal neighbours
1414		2147
1415	for (0 .. 3) {	2148	for (0 .. 3) {
1416	my $neigh = $map->tile_path ($_)	2149	my $neigh = $map->tile_path ($_)
1417	or next;	2150	or next;
1418	$neigh = find $neigh, $map	2151	$neigh = find $neigh, $map
1419	or next;	2152	or next;
1420	$neigh->load;	2153	$neigh->load;
1421		2154
		2155	push @neigh,
1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2156	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2157	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1424	}	2158	}
1425		2159
1426	for (@diag) {	2160	for (grep defined $_->[0], @neigh) {
		2161	my ($path, $origin) = @$_;
1427	my $neigh = find @$_	2162	my $neigh = find $path, $origin
1428	or next;	2163	or next;
1429	$neigh->load;	2164	$neigh->load;
1430	}	2165	}
1431	}	2166	}
1432		2167
…		…
1437	}	2172	}
1438		2173
1439	sub do_load_sync {	2174	sub do_load_sync {
1440	my ($map) = @_;	2175	my ($map) = @_;
1441		2176
		2177	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2178	if $Coro::current == $Coro::main;
		2179
1442	cf::sync_job { $map->load };	2180	cf::sync_job { $map->load };
1443	}	2181	}
1444		2182
1445	our %MAP_PREFETCH;	2183	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = undef;	2184	our $MAP_PREFETCHER = undef;
1447		2185
1448	sub find_async {	2186	sub find_async {
1449	my ($path, $origin) = @_;	2187	my ($path, $origin, $load) = @_;
1450		2188
1451	$path = normalise $path, $origin && $origin->{path};	2189	$path = normalise $path, $origin && $origin->{path};
1452		2190
1453	if (my $map = $cf::MAP{$path}) {	2191	if (my $map = $cf::MAP{$path}) {
1454	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1455	}	2193	}
1456		2194
1457	undef $MAP_PREFETCH{$path};	2195	$MAP_PREFETCH{$path} |= $load;
		2196
1458	$MAP_PREFETCHER ||= cf::async {	2197	$MAP_PREFETCHER ||= cf::async {
		2198	$Coro::current->{desc} = "map prefetcher";
		2199
1459	while (%MAP_PREFETCH) {	2200	while (%MAP_PREFETCH) {
1460	for my $path (keys %MAP_PREFETCH) {	2201	while (my ($k, $v) = each %MAP_PREFETCH) {
1461	my $map = find $path	2202	if (my $map = find $k) {
1462	or next;
1463	$map->load;	2203	$map->load if $v;
		2204	}
1464		2205
1465	delete $MAP_PREFETCH{$path};	2206	delete $MAP_PREFETCH{$k};
1466	}	2207	}
1467	}	2208	}
1468	undef $MAP_PREFETCHER;	2209	undef $MAP_PREFETCHER;
1469	};	2210	};
		2211	$MAP_PREFETCHER->prio (6);
1470		2212
1471	()	2213	()
1472	}	2214	}
1473		2215
1474	sub save {	2216	sub save {
1475	my ($self) = @_;	2217	my ($self) = @_;
1476		2218
1477	my $lock = cf::lock_acquire "map_data:" . $self->path;	2219	my $lock = cf::lock_acquire "map_data:$self->{path}";
1478		2220
1479	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
1480		2222
1481	return unless $self->dirty;	2223	return unless $self->dirty;
1482		2224
…		…
1488	return if $self->{deny_save};	2230	return if $self->{deny_save};
1489		2231
1490	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
1491		2233
1492	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
1493	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
1494	};	2237	};
		2238
		2239	cf::get_slot 0.02;
1495		2240
1496	if ($uniq) {	2241	if ($uniq) {
1497	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1498	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1499	} else {	2244	} else {
…		…
1505	my ($self) = @_;	2250	my ($self) = @_;
1506		2251
1507	# save first because save cedes	2252	# save first because save cedes
1508	$self->save;	2253	$self->save;
1509		2254
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2256
1512	return if $self->players;	2257	return if $self->players;
1513	return if $self->in_memory != cf::MAP_IN_MEMORY;	2258	return if $self->in_memory != cf::MAP_ACTIVE;
1514	return if $self->{deny_save};	2259	return if $self->{deny_save};
1515		2260
		2261	$self->in_memory (cf::MAP_SWAPPED);
		2262
		2263	$self->deactivate;
		2264	$_->clear_links_to ($self) for values %cf::MAP;
1516	$self->clear;	2265	$self->clear;
1517	$self->in_memory (cf::MAP_SWAPPED);
1518	}	2266	}
1519		2267
1520	sub reset_at {	2268	sub reset_at {
1521	my ($self) = @_;	2269	my ($self) = @_;
1522		2270
1523	# TODO: safety, remove and allow resettable per-player maps	2271	# TODO: safety, remove and allow resettable per-player maps
1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1525	return 1e99 if $self->{deny_reset};	2272	return 1e99 if $self->{deny_reset};
1526		2273
1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2274	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528	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;
1529		2276
…		…
1540	my ($self) = @_;	2287	my ($self) = @_;
1541		2288
1542	my $lock = cf::lock_acquire "map_data:$self->{path}";	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2290
1544	return if $self->players;	2291	return if $self->players;
1545	return if $self->isa ("ext::map_per_player");#d#
1546		2292
1547	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	}
1548		2304
1549	delete $cf::MAP{$self->path};	2305	delete $cf::MAP{$self->path};
1550		2306
1551	$self->in_memory (cf::MAP_SWAPPED);	2307	$self->deactivate;
		2308	$_->clear_links_to ($self) for values %cf::MAP;
1552	$self->clear;	2309	$self->clear;
1553
1554	$_->clear_links_to ($self) for values %cf::MAP;
1555		2310
1556	$self->unlink_save;	2311	$self->unlink_save;
1557	$self->destroy;	2312	$self->destroy;
1558	}	2313	}
1559		2314
1560	my $nuke_counter = "aaaa";	2315	my $nuke_counter = "aaaa";
1561		2316
1562	sub nuke {	2317	sub nuke {
1563	my ($self) = @_;	2318	my ($self) = @_;
1564		2319
		2320	{
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
1565	delete $cf::MAP{$self->path};	2323	delete $cf::MAP{$self->path};
1566		2324
1567	$self->unlink_save;	2325	$self->unlink_save;
1568		2326
1569	bless $self, "cf::map";	2327	bless $self, "cf::map";
1570	delete $self->{deny_reset};	2328	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2329	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2330	$self->reset_timeout (1);
1573	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2331	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1574		2332
1575	$cf::MAP{$self->path} = $self;	2333	$cf::MAP{$self->path} = $self;
		2334	}
1576		2335
1577	$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	]
1578	}	2373	}
1579		2374
1580	=item cf::map::unique_maps	2375	=item cf::map::unique_maps
1581		2376
1582	Returns an arrayref of paths of all shared maps that have	2377	Returns an arrayref of paths of all shared maps that have
1583	instantiated unique items. May block.	2378	instantiated unique items. May block.
1584		2379
1585	=cut	2380	=cut
1586		2381
1587	sub unique_maps() {	2382	sub unique_maps() {
1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2383	[
1589	or return;	2384	map {
1590
1591	my @paths;
1592
1593	for (@$files) {
1594	utf8::decode $_;	2385	utf8::decode $_;
1595	next if /\.pst$/;	2386	s/\.map$//; # TODO future compatibility hack
1596	next unless /^$PATH_SEP/o;	2387	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1597		2388	? ()
1598	s/\.map$//;	2389	: normalise $_
1599	push @paths, $_;	2390	} @{ aio_readdir $UNIQUEDIR or [] }
1600	}	2391	]
1601
1602	\@paths
1603	}	2392	}
1604
1605	package cf;
1606		2393
1607	=back	2394	=back
1608		2395
1609	=head3 cf::object	2396	=head3 cf::object
1610		2397
…		…
1614		2401
1615	=over 4	2402	=over 4
1616		2403
1617	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
1618		2405
1619	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.
1620		2408
1621	=cut	2409	=cut
1622		2410
1623	sub inv_recursive_;	2411	sub inv_recursive_;
1624	sub inv_recursive_ {	2412	sub inv_recursive_ {
…		…
1627		2415
1628	sub inv_recursive {	2416	sub inv_recursive {
1629	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
1630	}	2418	}
1631		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
1632	package cf;	2448	package cf;
1633		2449
1634	=back	2450	=back
1635		2451
1636	=head3 cf::object::player	2452	=head3 cf::object::player
…		…
1642	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>
1643	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
1644	dialogue with the given NPC character.	2460	dialogue with the given NPC character.
1645		2461
1646	=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	};
1647		2477
1648	# rough implementation of a future "reply" method that works	2478	# rough implementation of a future "reply" method that works
1649	# with dialog boxes.	2479	# with dialog boxes.
1650	#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
1651	sub cf::object::player::reply($$$;$) {	2481	sub cf::object::player::reply($$$;$) {
…		…
1653		2483
1654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2484	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1655		2485
1656	if ($self->{record_replies}) {	2486	if ($self->{record_replies}) {
1657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2487	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2488
1658	} 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 {
1659	$msg = $npc->name . " says: $msg" if $npc;	2497	$msg = $npc->name . " says: $msg" if $npc;
1660	$self->message ($msg, $flags);	2498	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2499	}
1661	}	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 (@_);
1662	}	2511	}
1663		2512
1664	=item $player_object->may ("access")	2513	=item $player_object->may ("access")
1665		2514
1666	Returns wether the given player is authorized to access resource "access"	2515	Returns wether the given player is authorized to access resource "access"
…		…
1698	=cut	2547	=cut
1699		2548
1700	sub link_map {	2549	sub link_map {
1701	unless ($LINK_MAP) {	2550	unless ($LINK_MAP) {
1702	$LINK_MAP = cf::map::find "{link}"	2551	$LINK_MAP = cf::map::find "{link}"
1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2552	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1704	$LINK_MAP->load;	2553	$LINK_MAP->load;
1705	}	2554	}
1706		2555
1707	$LINK_MAP	2556	$LINK_MAP
1708	}	2557	}
…		…
1713	$self->deactivate_recursive;	2562	$self->deactivate_recursive;
1714		2563
1715	return if UNIVERSAL::isa $self->map, "ext::map_link";	2564	return if UNIVERSAL::isa $self->map, "ext::map_link";
1716		2565
1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2566	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1718	if $self->map;	2567	if $self->map && $self->map->{path} ne "{link}";
1719		2568
1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2569	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1721	}	2570	}
1722		2571
1723	sub cf::object::player::leave_link {	2572	sub cf::object::player::leave_link {
1724	my ($self, $map, $x, $y) = @_;	2573	my ($self, $map, $x, $y) = @_;
		2574
		2575	return unless $self->contr->active;
1725		2576
1726	my $link_pos = delete $self->{_link_pos};	2577	my $link_pos = delete $self->{_link_pos};
1727		2578
1728	unless ($map) {	2579	unless ($map) {
1729	# restore original map position	2580	# restore original map position
…		…
1743	# use -1 or undef as default coordinates, not 0, 0	2594	# use -1 or undef as default coordinates, not 0, 0
1744	($x, $y) = ($map->enter_x, $map->enter_y)	2595	($x, $y) = ($map->enter_x, $map->enter_y)
1745	if $x <=0 && $y <= 0;	2596	if $x <=0 && $y <= 0;
1746		2597
1747	$map->load;	2598	$map->load;
1748	$map->load_diag;	2599	$map->load_neighbours;
1749		2600
1750	return unless $self->contr->active;	2601	return unless $self->contr->active;
1751	$self->activate_recursive;	2602	$self->activate_recursive;
		2603
		2604	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1752	$self->enter_map ($map, $x, $y);	2605	$self->enter_map ($map, $x, $y);
1753	}	2606	}
1754		2607
1755	cf::player->attach (	2608	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1756	on_logout => sub {
1757	my ($pl) = @_;
1758		2609
1759	# abort map switching before logout	2610	Moves the player to the given map-path and coordinates by first freezing
1760	if ($pl->ob->{_link_pos}) {	2611	her, loading and preparing them map, calling the provided $check callback
1761	cf::sync_job {	2612	that has to return the map if sucecssful, and then unfreezes the player on
1762	$pl->ob->leave_link	2613	the new (success) or old (failed) map position. In either case, $done will
1763	};	2614	be called at the end of this process.
1764	}
1765	},
1766	on_login => sub {
1767	my ($pl) = @_;
1768		2615
1769	# try to abort aborted map switching on player login :)
1770	# should happen only on crashes
1771	if ($pl->ob->{_link_pos}) {
1772	$pl->ob->enter_link;
1773	(async {
1774	# we need this sleep as the login has a concurrent enter_exit running
1775	# and this sleep increases chances of the player not ending up in scorn
1776	$pl->ob->reply (undef,
1777	"There was an internal problem at your last logout, "
1778	. "the server will try to bring you to your intended destination in a second.",
1779	cf::NDI_RED);
1780	Coro::Timer::sleep 1;
1781	$pl->ob->leave_link;
1782	})->prio (2);
1783	}
1784	},
1785	);
1786
1787	=item $player_object->goto ($path, $x, $y)
1788
1789	=cut	2616	=cut
		2617
		2618	our $GOTOGEN;
1790		2619
1791	sub cf::object::player::goto {	2620	sub cf::object::player::goto {
1792	my ($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;
1793		2625
1794	$self->enter_link;	2626	$self->enter_link;
1795		2627
1796	(async {	2628	(async {
1797	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) {
1798	$map = $map->customise_for ($self) if $map;	2654	$map = $map->customise_for ($self);
1799		2655	$map = $check->($map) if $check && $map;
1800	# warn "entering ", $map->path, " at ($x, $y)\n"	2656	} else {
1801	# if $map;
1802
1803	$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	}
1804		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};
1805	$self->leave_link ($map, $x, $y);	2670	$self->leave_link ($map, $x, $y);
		2671	}
		2672
		2673	$done->() if $done;
1806	})->prio (1);	2674	})->prio (1);
1807	}	2675	}
1808		2676
1809	=item $player_object->enter_exit ($exit_object)	2677	=item $player_object->enter_exit ($exit_object)
1810		2678
…		…
1839	# that depends on the exit object	2707	# that depends on the exit object
1840		2708
1841	my $rmp = parse_random_map_params $exit->msg;	2709	my $rmp = parse_random_map_params $exit->msg;
1842		2710
1843	if ($exit->map) {	2711	if ($exit->map) {
1844	$rmp->{region} = $exit->map->region_name;	2712	$rmp->{region} = $exit->region->name;
1845	$rmp->{origin_map} = $exit->map->path;	2713	$rmp->{origin_map} = $exit->map->path;
1846	$rmp->{origin_x} = $exit->x;	2714	$rmp->{origin_x} = $exit->x;
1847	$rmp->{origin_y} = $exit->y;	2715	$rmp->{origin_y} = $exit->y;
1848	}	2716	}
1849		2717
1850	$rmp->{random_seed} ||= $exit->random_seed;	2718	$rmp->{random_seed} ||= $exit->random_seed;
1851		2719
1852	my $data = cf::to_json $rmp;	2720	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1853	my $md5 = Digest::MD5::md5_hex $data;	2721	my $md5 = Digest::MD5::md5_hex $data;
1854	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2722	my $meta = "$RANDOMDIR/$md5.meta";
1855		2723
1856	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2724	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1857	aio_write $fh, 0, (length $data), $data, 0;	2725	aio_write $fh, 0, (length $data), $data, 0;
1858	undef $fh;	2726	undef $fh;
1859	aio_rename "$meta~", $meta;	2727	aio_rename "$meta~", $meta;
…		…
1866	sub cf::object::player::enter_exit {	2734	sub cf::object::player::enter_exit {
1867	my ($self, $exit) = @_;	2735	my ($self, $exit) = @_;
1868		2736
1869	return unless $self->type == cf::PLAYER;	2737	return unless $self->type == cf::PLAYER;
1870		2738
		2739	if ($exit->slaying eq "/!") {
		2740	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2741	# the problem is that $exit might not survive long enough
		2742	# so it needs to be done right now, right here
		2743	cf::sync_job { prepare_random_map $exit };
		2744	}
		2745
		2746	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2747	my $hp = $exit->stats->hp;
		2748	my $sp = $exit->stats->sp;
		2749
1871	$self->enter_link;	2750	$self->enter_link;
1872		2751
		2752	# if exit is damned, update players death & WoR home-position
		2753	$self->contr->savebed ($slaying, $hp, $sp)
		2754	if $exit->flag (FLAG_DAMNED);
		2755
1873	(async {	2756	(async {
		2757	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2758
1874	$self->deactivate_recursive; # just to be sure	2759	$self->deactivate_recursive; # just to be sure
1875	unless (eval {	2760	unless (eval {
1876	prepare_random_map $exit	2761	$self->goto ($slaying, $hp, $sp);
1877	if $exit->slaying eq "/!";
1878
1879	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1880	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1881		2762
1882	1;	2763	1;
1883	}) {	2764	}) {
1884	$self->message ("Something went wrong deep within the crossfire server. "	2765	$self->message ("Something went wrong deep within the crossfire server. "
1885	. "I'll try to bring you back to the map you were before. "	2766	. "I'll try to bring you back to the map you were before. "
1886	. "Please report this to the dungeon master!",	2767	. "Please report this to the dungeon master!",
1887	cf::NDI_UNIQUE | cf::NDI_RED);	2768	cf::NDI_UNIQUE | cf::NDI_RED);
1888		2769
1889	warn "ERROR in enter_exit: $@";	2770	warn "ERROR in enter_exit: $@";
1890	$self->leave_link;	2771	$self->leave_link;
1891	}	2772	}
1892	})->prio (1);	2773	})->prio (1);
…		…
1905		2786
1906	sub cf::client::send_drawinfo {	2787	sub cf::client::send_drawinfo {
1907	my ($self, $text, $flags) = @_;	2788	my ($self, $text, $flags) = @_;
1908		2789
1909	utf8::encode $text;	2790	utf8::encode $text;
1910	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2791	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1911	}	2792	}
1912		2793
		2794	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2795
		2796	Send a drawinfo or msg packet to the client, formatting the msg for the
		2797	client if neccessary. C<$type> should be a string identifying the type of
		2798	the message, with C<log> being the default. If C<$color> is negative, suppress
		2799	the message unless the client supports the msg packet.
		2800
		2801	=cut
		2802
		2803	# non-persistent channels (usually the info channel)
		2804	our %CHANNEL = (
		2805	"c/identify" => {
		2806	id => "infobox",
		2807	title => "Identify",
		2808	reply => undef,
		2809	tooltip => "Items recently identified",
		2810	},
		2811	"c/examine" => {
		2812	id => "infobox",
		2813	title => "Examine",
		2814	reply => undef,
		2815	tooltip => "Signs and other items you examined",
		2816	},
		2817	"c/book" => {
		2818	id => "infobox",
		2819	title => "Book",
		2820	reply => undef,
		2821	tooltip => "The contents of a note or book",
		2822	},
		2823	"c/lookat" => {
		2824	id => "infobox",
		2825	title => "Look",
		2826	reply => undef,
		2827	tooltip => "What you saw there",
		2828	},
		2829	"c/who" => {
		2830	id => "infobox",
		2831	title => "Players",
		2832	reply => undef,
		2833	tooltip => "Shows players who are currently online",
		2834	},
		2835	"c/body" => {
		2836	id => "infobox",
		2837	title => "Body Parts",
		2838	reply => undef,
		2839	tooltip => "Shows which body parts you posess and are available",
		2840	},
		2841	"c/uptime" => {
		2842	id => "infobox",
		2843	title => "Uptime",
		2844	reply => undef,
		2845	tooltip => "How long the server has been running since last restart",
		2846	},
		2847	"c/mapinfo" => {
		2848	id => "infobox",
		2849	title => "Map Info",
		2850	reply => undef,
		2851	tooltip => "Information related to the maps",
		2852	},
		2853	"c/party" => {
		2854	id => "party",
		2855	title => "Party",
		2856	reply => "gsay ",
		2857	tooltip => "Messages and chat related to your party",
		2858	},
		2859	);
		2860
		2861	sub cf::client::send_msg {
		2862	my ($self, $channel, $msg, $color, @extra) = @_;
		2863
		2864	$msg = $self->pl->expand_cfpod ($msg);
		2865
		2866	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2867
		2868	# check predefined channels, for the benefit of C
		2869	if ($CHANNEL{$channel}) {
		2870	$channel = $CHANNEL{$channel};
		2871
		2872	$self->ext_msg (channel_info => $channel)
		2873	if $self->can_msg;
		2874
		2875	$channel = $channel->{id};
		2876
		2877	} elsif (ref $channel) {
		2878	# send meta info to client, if not yet sent
		2879	unless (exists $self->{channel}{$channel->{id}}) {
		2880	$self->{channel}{$channel->{id}} = $channel;
		2881	$self->ext_msg (channel_info => $channel)
		2882	if $self->can_msg;
		2883	}
		2884
		2885	$channel = $channel->{id};
		2886	}
		2887
		2888	return unless @extra || length $msg;
		2889
		2890	if ($self->can_msg) {
		2891	# default colour, mask it out
		2892	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2893	if $color & cf::NDI_DEF;
		2894
		2895	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2896	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2897	} else {
		2898	if ($color >= 0) {
		2899	# replace some tags by gcfclient-compatible ones
		2900	for ($msg) {
		2901	1 while
		2902	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2903	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2904	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2905	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2906	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2907	}
		2908
		2909	$color &= cf::NDI_COLOR_MASK;
		2910
		2911	utf8::encode $msg;
		2912
		2913	if (0 && $msg =~ /\[/) {
		2914	# COMMAND/INFO
		2915	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2916	} else {
		2917	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2918	$self->send_packet ("drawinfo $color $msg")
		2919	}
		2920	}
		2921	}
		2922	}
		2923
		2924	=item $client->ext_msg ($type, @msg)
		2925
		2926	Sends an ext event to the client.
		2927
		2928	=cut
		2929
		2930	sub cf::client::ext_msg($$@) {
		2931	my ($self, $type, @msg) = @_;
		2932
		2933	if ($self->extcmd == 2) {
		2934	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2935	} elsif ($self->extcmd == 1) { # TODO: remove
		2936	push @msg, msgtype => "event_$type";
		2937	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2938	}
		2939	}
		2940
		2941	=item $client->ext_reply ($msgid, @msg)
		2942
		2943	Sends an ext reply to the client.
		2944
		2945	=cut
		2946
		2947	sub cf::client::ext_reply($$@) {
		2948	my ($self, $id, @msg) = @_;
		2949
		2950	if ($self->extcmd == 2) {
		2951	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2952	} elsif ($self->extcmd == 1) {
		2953	#TODO: version 1, remove
		2954	unshift @msg, msgtype => "reply", msgid => $id;
		2955	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2956	}
		2957	}
1913		2958
1914	=item $success = $client->query ($flags, "text", \&cb)	2959	=item $success = $client->query ($flags, "text", \&cb)
1915		2960
1916	Queues a query to the client, calling the given callback with	2961	Queues a query to the client, calling the given callback with
1917	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2962	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1918	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2963	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1919		2964
1920	Queries can fail, so check the return code. Or don't, as queries will become	2965	Queries can fail, so check the return code. Or don't, as queries will
1921	reliable at some point in the future.	2966	become reliable at some point in the future.
1922		2967
1923	=cut	2968	=cut
1924		2969
1925	sub cf::client::query {	2970	sub cf::client::query {
1926	my ($self, $flags, $text, $cb) = @_;	2971	my ($self, $flags, $text, $cb) = @_;
…		…
1934	utf8::encode $text;	2979	utf8::encode $text;
1935	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2980	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1936		2981
1937	$self->send_packet ($self->{query_queue}[0][0])	2982	$self->send_packet ($self->{query_queue}[0][0])
1938	if @{ $self->{query_queue} } == 1;	2983	if @{ $self->{query_queue} } == 1;
		2984
		2985	1
1939	}	2986	}
1940		2987
1941	cf::client->attach (	2988	cf::client->attach (
		2989	on_connect => sub {
		2990	my ($ns) = @_;
		2991
		2992	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2993	},
1942	on_reply => sub {	2994	on_reply => sub {
1943	my ($ns, $msg) = @_;	2995	my ($ns, $msg) = @_;
1944		2996
1945	# this weird shuffling is so that direct followup queries	2997	# this weird shuffling is so that direct followup queries
1946	# get handled first	2998	# get handled first
1947	my $queue = delete $ns->{query_queue}	2999	my $queue = delete $ns->{query_queue}
1948	or return; # be conservative, not sure how that can happen, but we saw a crash here	3000	or return; # be conservative, not sure how that can happen, but we saw a crash here
1949		3001
1950	(shift @$queue)->[1]->($msg);	3002	(shift @$queue)->[1]->($msg);
		3003	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1951		3004
1952	push @{ $ns->{query_queue} }, @$queue;	3005	push @{ $ns->{query_queue} }, @$queue;
1953		3006
1954	if (@{ $ns->{query_queue} } == @$queue) {	3007	if (@{ $ns->{query_queue} } == @$queue) {
1955	if (@$queue) {	3008	if (@$queue) {
…		…
1957	} else {	3010	} else {
1958	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3011	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1959	}	3012	}
1960	}	3013	}
1961	},	3014	},
		3015	on_exticmd => sub {
		3016	my ($ns, $buf) = @_;
		3017
		3018	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3019
		3020	if (ref $msg) {
		3021	my ($type, $reply, @payload) =
		3022	"ARRAY" eq ref $msg
		3023	? @$msg
		3024	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3025
		3026	my @reply;
		3027
		3028	if (my $cb = $EXTICMD{$type}) {
		3029	@reply = $cb->($ns, @payload);
		3030	}
		3031
		3032	$ns->ext_reply ($reply, @reply)
		3033	if $reply;
		3034
		3035	} else {
		3036	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3037	}
		3038
		3039	cf::override;
		3040	},
1962	);	3041	);
1963		3042
1964	=item $client->async (\&cb)	3043	=item $client->async (\&cb)
1965		3044
1966	Create a new coroutine, running the specified callback. The coroutine will	3045	Create a new coroutine, running the specified callback. The coroutine will
…		…
2007	our $safe = new Safe "safe";	3086	our $safe = new Safe "safe";
2008	our $safe_hole = new Safe::Hole;	3087	our $safe_hole = new Safe::Hole;
2009		3088
2010	$SIG{FPE} = 'IGNORE';	3089	$SIG{FPE} = 'IGNORE';
2011		3090
2012	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3091	$safe->permit_only (Opcode::opset qw(
		3092	:base_core :base_mem :base_orig :base_math
		3093	grepstart grepwhile mapstart mapwhile
		3094	sort time
		3095	));
2013		3096
2014	# here we export the classes and methods available to script code	3097	# here we export the classes and methods available to script code
2015		3098
2016	=pod	3099	=pod
2017		3100
2018	The following fucntions and emthods are available within a safe environment:	3101	The following functions and methods are available within a safe environment:
2019		3102
2020	cf::object contr pay_amount pay_player map	3103	cf::object
		3104	contr pay_amount pay_player map x y force_find force_add destroy
		3105	insert remove name archname title slaying race decrease split
		3106
2021	cf::object::player player	3107	cf::object::player
2022	cf::player peaceful	3108	player
2023	cf::map trigger	3109
		3110	cf::player
		3111	peaceful
		3112
		3113	cf::map
		3114	trigger
2024		3115
2025	=cut	3116	=cut
2026		3117
2027	for (	3118	for (
2028	["cf::object" => qw(contr pay_amount pay_player map)],	3119	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3120	insert remove inv name archname title slaying race
		3121	decrease split destroy)],
2029	["cf::object::player" => qw(player)],	3122	["cf::object::player" => qw(player)],
2030	["cf::player" => qw(peaceful)],	3123	["cf::player" => qw(peaceful)],
2031	["cf::map" => qw(trigger)],	3124	["cf::map" => qw(trigger)],
2032	) {	3125	) {
2033	no strict 'refs';	3126	no strict 'refs';
…		…
2104	=back	3197	=back
2105		3198
2106	=cut	3199	=cut
2107		3200
2108	#############################################################################	3201	#############################################################################
		3202	# the server's init and main functions
2109		3203
2110	=head2 EXTENSION DATABASE SUPPORT	3204	sub load_facedata($) {
		3205	my ($path) = @_;
2111		3206
2112	Crossfire maintains a very simple database for extension use. It can	3207	# HACK to clear player env face cache, we need some signal framework
2113	currently store anything that can be serialised using Storable, which	3208	# for this (global event?)
2114	excludes objects.	3209	%ext::player_env::MUSIC_FACE_CACHE = ();
2115		3210
2116	The parameter C<$family> should best start with the name of the extension	3211	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2117	using it, it should be unique.
2118		3212
2119	=over 4	3213	warn "loading facedata from $path\n";
2120		3214
2121	=item $hashref = cf::db_get $family	3215	my $facedata;
		3216	0 < aio_load $path, $facedata
		3217	or die "$path: $!";
2122		3218
2123	Return a hashref for use by the extension C<$family>, which can be	3219	$facedata = Coro::Storable::thaw $facedata;
2124	modified. After modifications, you have to call C<cf::db_dirty> or
2125	C<cf::db_sync>.
2126		3220
2127	=item $value = cf::db_get $family => $key	3221	$facedata->{version} == 2
		3222	or cf::cleanup "$path: version mismatch, cannot proceed.";
2128		3223
2129	Returns a single value from the database	3224	# patch in the exptable
2130		3225	$facedata->{resource}{"res/exp_table"} = {
2131	=item cf::db_put $family => $hashref	3226	type => FT_RSRC,
2132		3227	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2133	Stores the given family hashref into the database. Updates are delayed, if
2134	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2135
2136	=item cf::db_put $family => $key => $value
2137
2138	Stores the given C<$value> in the family hash. Updates are delayed, if you
2139	want the data to be synced to disk immediately, use C<cf::db_sync>.
2140
2141	=item cf::db_dirty
2142
2143	Marks the database as dirty, to be updated at a later time.
2144
2145	=item cf::db_sync
2146
2147	Immediately write the database to disk I<if it is dirty>.
2148
2149	=cut
2150
2151	our $DB;
2152
2153	{
2154	my $path = cf::localdir . "/database.pst";
2155
2156	sub db_load() {
2157	$DB = stat $path ? Storable::retrieve $path : { };
2158	}
2159
2160	my $pid;
2161
2162	sub db_save() {
2163	waitpid $pid, 0 if $pid;
2164	if (0 == ($pid = fork)) {
2165	$DB->{_meta}{version} = 1;
2166	Storable::nstore $DB, "$path~";
2167	rename "$path~", $path;
2168	cf::_exit 0 if defined $pid;
2169	}
2170	}
2171
2172	my $dirty;
2173
2174	sub db_sync() {
2175	db_save if $dirty;
2176	undef $dirty;
2177	}
2178
2179	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2180	db_sync;
2181	});	3228	};
		3229	cf::cede_to_tick;
2182		3230
2183	sub db_dirty() {
2184	$dirty = 1;
2185	$idle->start;
2186	}	3231	{
		3232	my $faces = $facedata->{faceinfo};
2187		3233
2188	sub db_get($;$) {	3234	while (my ($face, $info) = each %$faces) {
2189	@_ >= 2	3235	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2190	? $DB->{$_[0]}{$_[1]}
2191	: ($DB->{$_[0]} ||= { })
2192	}
2193		3236
2194	sub db_put($$;$) {	3237	cf::face::set_visibility $idx, $info->{visibility};
2195	if (@_ >= 3) {	3238	cf::face::set_magicmap $idx, $info->{magicmap};
2196	$DB->{$_[0]}{$_[1]} = $_[2];	3239	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2197	} else {	3240	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2198	$DB->{$_[0]} = $_[1];
2199	}
2200	db_dirty;
2201	}
2202		3241
2203	cf::global->attach (	3242	cf::cede_to_tick;
2204	prio => 10000,
2205	on_cleanup => sub {
2206	db_sync;
2207	},	3243	}
2208	);
2209	}
2210		3244
2211	#############################################################################	3245	while (my ($face, $info) = each %$faces) {
2212	# the server's main()	3246	next unless $info->{smooth};
2213		3247
2214	sub cfg_load {	3248	my $idx = cf::face::find $face
		3249	or next;
		3250
		3251	if (my $smooth = cf::face::find $info->{smooth}) {
		3252	cf::face::set_smooth $idx, $smooth;
		3253	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3254	} else {
		3255	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3256	}
		3257
		3258	cf::cede_to_tick;
		3259	}
		3260	}
		3261
		3262	{
		3263	my $anims = $facedata->{animinfo};
		3264
		3265	while (my ($anim, $info) = each %$anims) {
		3266	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3267	cf::cede_to_tick;
		3268	}
		3269
		3270	cf::anim::invalidate_all; # d'oh
		3271	}
		3272
		3273	{
		3274	# TODO: for gcfclient pleasure, we should give resources
		3275	# that gcfclient doesn't grok a >10000 face index.
		3276	my $res = $facedata->{resource};
		3277
		3278	while (my ($name, $info) = each %$res) {
		3279	if (defined $info->{type}) {
		3280	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3281	my $data;
		3282
		3283	if ($info->{type} & 1) {
		3284	# prepend meta info
		3285
		3286	my $meta = $enc->encode ({
		3287	name => $name,
		3288	%{ $info->{meta} || {} },
		3289	});
		3290
		3291	$data = pack "(w/a*)*", $meta, $info->{data};
		3292	} else {
		3293	$data = $info->{data};
		3294	}
		3295
		3296	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3297	cf::face::set_type $idx, $info->{type};
		3298	} else {
		3299	$RESOURCE{$name} = $info;
		3300	}
		3301
		3302	cf::cede_to_tick;
		3303	}
		3304	}
		3305
		3306	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3307
		3308	1
		3309	}
		3310
		3311	cf::global->attach (on_resource_update => sub {
		3312	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3313	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3314
		3315	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3316	my $sound = $soundconf->{compat}[$_]
		3317	or next;
		3318
		3319	my $face = cf::face::find "sound/$sound->[1]";
		3320	cf::sound::set $sound->[0] => $face;
		3321	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3322	}
		3323
		3324	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3325	my $face = cf::face::find "sound/$v";
		3326	cf::sound::set $k => $face;
		3327	}
		3328	}
		3329	});
		3330
		3331	register_exticmd fx_want => sub {
		3332	my ($ns, $want) = @_;
		3333
		3334	while (my ($k, $v) = each %$want) {
		3335	$ns->fx_want ($k, $v);
		3336	}
		3337	};
		3338
		3339	sub load_resource_file($) {
		3340	my $guard = lock_acquire "load_resource_file";
		3341
		3342	my $status = load_resource_file_ $_[0];
		3343	get_slot 0.1, 100;
		3344	cf::arch::commit_load;
		3345
		3346	$status
		3347	}
		3348
		3349	sub reload_regions {
		3350	# HACK to clear player env face cache, we need some signal framework
		3351	# for this (global event?)
		3352	%ext::player_env::MUSIC_FACE_CACHE = ();
		3353
		3354	load_resource_file "$MAPDIR/regions"
		3355	or die "unable to load regions file\n";
		3356
		3357	for (cf::region::list) {
		3358	$_->{match} = qr/$_->{match}/
		3359	if exists $_->{match};
		3360	}
		3361	}
		3362
		3363	sub reload_facedata {
		3364	load_facedata "$DATADIR/facedata"
		3365	or die "unable to load facedata\n";
		3366	}
		3367
		3368	sub reload_archetypes {
		3369	load_resource_file "$DATADIR/archetypes"
		3370	or die "unable to load archetypes\n";
		3371	}
		3372
		3373	sub reload_treasures {
		3374	load_resource_file "$DATADIR/treasures"
		3375	or die "unable to load treasurelists\n";
		3376	}
		3377
		3378	sub reload_resources {
		3379	warn "reloading resource files...\n";
		3380
		3381	reload_facedata;
		3382	reload_archetypes;
		3383	reload_regions;
		3384	reload_treasures;
		3385
		3386	warn "finished reloading resource files\n";
		3387	}
		3388
		3389	sub init {
		3390	my $guard = freeze_mainloop;
		3391
		3392	reload_resources;
		3393	}
		3394
		3395	sub reload_config {
2215	open my $fh, "<:utf8", cf::confdir . "/config"	3396	open my $fh, "<:utf8", "$CONFDIR/config"
2216	or return;	3397	or return;
2217		3398
2218	local $/;	3399	local $/;
2219	*CFG = YAML::Syck::Load <$fh>;	3400	*CFG = YAML::Load <$fh>;
2220		3401
2221	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3402	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2222		3403
2223	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3404	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2224	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3405	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2235	sub main {	3416	sub main {
2236	# we must not ever block the main coroutine	3417	# we must not ever block the main coroutine
2237	local $Coro::idle = sub {	3418	local $Coro::idle = sub {
2238	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3419	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2239	(async {	3420	(async {
2240	Event::one_event;	3421	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3422	EV::loop EV::LOOP_ONESHOT;
2241	})->prio (Coro::PRIO_MAX);	3423	})->prio (Coro::PRIO_MAX);
2242	};	3424	};
2243		3425
2244	cfg_load;	3426	{
2245	db_load;	3427	my $guard = freeze_mainloop;
		3428	reload_config;
		3429	db_init;
2246	load_extensions;	3430	load_extensions;
2247		3431
2248	$TICK_WATCHER->start;	3432	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3433	evthread_start IO::AIO::poll_fileno;
		3434	}
		3435
2249	Event::loop;	3436	EV::loop;
2250	}	3437	}
2251		3438
2252	#############################################################################	3439	#############################################################################
2253	# initialisation and cleanup	3440	# initialisation and cleanup
2254		3441
2255	# install some emergency cleanup handlers	3442	# install some emergency cleanup handlers
2256	BEGIN {	3443	BEGIN {
		3444	our %SIGWATCHER = ();
2257	for my $signal (qw(INT HUP TERM)) {	3445	for my $signal (qw(INT HUP TERM)) {
2258	Event->signal (	3446	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2259	data => WF_AUTOCANCEL,
2260	signal => $signal,
2261	cb => sub {
2262	cf::cleanup "SIG$signal";	3447	cf::cleanup "SIG$signal";
2263	},
2264	);	3448	};
		3449	}
		3450	}
		3451
		3452	sub write_runtime_sync {
		3453	my $runtime = "$LOCALDIR/runtime";
		3454
		3455	# first touch the runtime file to show we are still running:
		3456	# the fsync below can take a very very long time.
		3457
		3458	IO::AIO::aio_utime $runtime, undef, undef;
		3459
		3460	my $guard = cf::lock_acquire "write_runtime";
		3461
		3462	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3463	or return;
		3464
		3465	my $value = $cf::RUNTIME + 90 + 10;
		3466	# 10 is the runtime save interval, for a monotonic clock
		3467	# 60 allows for the watchdog to kill the server.
		3468
		3469	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3470	and return;
		3471
		3472	# always fsync - this file is important
		3473	aio_fsync $fh
		3474	and return;
		3475
		3476	# touch it again to show we are up-to-date
		3477	aio_utime $fh, undef, undef;
		3478
		3479	close $fh
		3480	or return;
		3481
		3482	aio_rename "$runtime~", $runtime
		3483	and return;
		3484
		3485	warn "runtime file written.\n";
		3486
2265	}	3487	1
		3488	}
		3489
		3490	our $uuid_lock;
		3491	our $uuid_skip;
		3492
		3493	sub write_uuid_sync($) {
		3494	$uuid_skip ||= $_[0];
		3495
		3496	return if $uuid_lock;
		3497	local $uuid_lock = 1;
		3498
		3499	my $uuid = "$LOCALDIR/uuid";
		3500
		3501	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3502	or return;
		3503
		3504	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3505	$uuid_skip = 0;
		3506
		3507	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3508	and return;
		3509
		3510	# always fsync - this file is important
		3511	aio_fsync $fh
		3512	and return;
		3513
		3514	close $fh
		3515	or return;
		3516
		3517	aio_rename "$uuid~", $uuid
		3518	and return;
		3519
		3520	warn "uuid file written ($value).\n";
		3521
		3522	1
		3523
		3524	}
		3525
		3526	sub write_uuid($$) {
		3527	my ($skip, $sync) = @_;
		3528
		3529	$sync ? write_uuid_sync $skip
		3530	: async { write_uuid_sync $skip };
2266	}	3531	}
2267		3532
2268	sub emergency_save() {	3533	sub emergency_save() {
2269	my $freeze_guard = cf::freeze_mainloop;	3534	my $freeze_guard = cf::freeze_mainloop;
2270		3535
…		…
2276	# and maps saved/destroyed asynchronously.	3541	# and maps saved/destroyed asynchronously.
2277	warn "begin emergency player save\n";	3542	warn "begin emergency player save\n";
2278	for my $login (keys %cf::PLAYER) {	3543	for my $login (keys %cf::PLAYER) {
2279	my $pl = $cf::PLAYER{$login} or next;	3544	my $pl = $cf::PLAYER{$login} or next;
2280	$pl->valid or next;	3545	$pl->valid or next;
		3546	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2281	$pl->save;	3547	$pl->save;
2282	}	3548	}
2283	warn "end emergency player save\n";	3549	warn "end emergency player save\n";
2284		3550
2285	warn "begin emergency map save\n";	3551	warn "begin emergency map save\n";
…		…
2287	my $map = $cf::MAP{$path} or next;	3553	my $map = $cf::MAP{$path} or next;
2288	$map->valid or next;	3554	$map->valid or next;
2289	$map->save;	3555	$map->save;
2290	}	3556	}
2291	warn "end emergency map save\n";	3557	warn "end emergency map save\n";
		3558
		3559	warn "begin emergency database checkpoint\n";
		3560	BDB::db_env_txn_checkpoint $DB_ENV;
		3561	warn "end emergency database checkpoint\n";
		3562
		3563	warn "begin write uuid\n";
		3564	write_uuid_sync 1;
		3565	warn "end write uuid\n";
2292	};	3566	};
2293		3567
2294	warn "leave emergency perl save\n";	3568	warn "leave emergency perl save\n";
2295	}	3569	}
2296		3570
		3571	sub post_cleanup {
		3572	my ($make_core) = @_;
		3573
		3574	warn Carp::longmess "post_cleanup backtrace"
		3575	if $make_core;
		3576	}
		3577
2297	sub reload() {	3578	sub do_reload_perl() {
2298	# can/must only be called in main	3579	# can/must only be called in main
2299	if ($Coro::current != $Coro::main) {	3580	if ($Coro::current != $Coro::main) {
2300	warn "can only reload from main coroutine";	3581	warn "can only reload from main coroutine";
2301	return;	3582	return;
2302	}	3583	}
2303		3584
2304	warn "reloading...";	3585	warn "reloading...";
2305		3586
2306	warn "cancelling server ticker";	3587	warn "entering sync_job";
2307	$TICK_WATCHER->cancel;
2308		3588
		3589	cf::sync_job {
		3590	cf::write_runtime_sync; # external watchdog should not bark
2309	cf::emergency_save;	3591	cf::emergency_save;
		3592	cf::write_runtime_sync; # external watchdog should not bark
2310		3593
2311	eval {	3594	warn "syncing database to disk";
		3595	BDB::db_env_txn_checkpoint $DB_ENV;
		3596
2312	# if anything goes wrong in here, we should simply crash as we already saved	3597	# if anything goes wrong in here, we should simply crash as we already saved
2313
2314	warn "syncing database to disk";
2315	cf::db_sync;
2316
2317	warn "cancelling all WF_AUTOCANCEL watchers";
2318	for (Event::all_watchers) {
2319	$_->cancel if $_->data & WF_AUTOCANCEL;
2320	}
2321		3598
2322	warn "flushing outstanding aio requests";	3599	warn "flushing outstanding aio requests";
2323	for (;;) {	3600	for (;;) {
		3601	BDB::flush;
2324	IO::AIO::flush;	3602	IO::AIO::flush;
2325	Coro::cede;	3603	Coro::cede_notself;
2326	last unless IO::AIO::nreqs;	3604	last unless IO::AIO::nreqs || BDB::nreqs;
2327	warn "iterate...";	3605	warn "iterate...";
2328	}	3606	}
		3607
		3608	++$RELOAD;
2329		3609
2330	warn "cancelling all extension coros";	3610	warn "cancelling all extension coros";
2331	$_->cancel for values %EXT_CORO;	3611	$_->cancel for values %EXT_CORO;
2332	%EXT_CORO = ();	3612	%EXT_CORO = ();
2333		3613
2334	warn "removing commands";	3614	warn "removing commands";
2335	%COMMAND = ();	3615	%COMMAND = ();
2336		3616
2337	warn "removing ext commands";	3617	warn "removing ext/exti commands";
2338	%EXTCMD = ();	3618	%EXTCMD = ();
		3619	%EXTICMD = ();
2339		3620
2340	warn "unloading/nuking all extensions";	3621	warn "unloading/nuking all extensions";
2341	for my $pkg (@EXTS) {	3622	for my $pkg (@EXTS) {
2342	warn "... unloading $pkg";	3623	warn "... unloading $pkg";
2343		3624
…		…
2373	Symbol::delete_package "safe::$_"	3654	Symbol::delete_package "safe::$_"
2374	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3655	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2375		3656
2376	warn "unloading cf.pm \"a bit\"";	3657	warn "unloading cf.pm \"a bit\"";
2377	delete $INC{"cf.pm"};	3658	delete $INC{"cf.pm"};
		3659	delete $INC{"cf/pod.pm"};
2378		3660
2379	# don't, removes xs symbols, too,	3661	# don't, removes xs symbols, too,
2380	# and global variables created in xs	3662	# and global variables created in xs
2381	#Symbol::delete_package __PACKAGE__;	3663	#Symbol::delete_package __PACKAGE__;
2382		3664
…		…
2385	warn "reloading cf.pm";	3667	warn "reloading cf.pm";
2386	require cf;	3668	require cf;
2387	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2388		3670
2389	warn "loading config and database again";	3671	warn "loading config and database again";
2390	cf::cfg_load;	3672	cf::reload_config;
2391	cf::db_load;
2392		3673
2393	warn "loading extensions";	3674	warn "loading extensions";
2394	cf::load_extensions;	3675	cf::load_extensions;
2395		3676
2396	warn "reattaching attachments to objects/players";	3677	warn "reattaching attachments to objects/players";
2397	_global_reattach;	3678	_global_reattach; # objects, sockets
2398	warn "reattaching attachments to maps";	3679	warn "reattaching attachments to maps";
2399	reattach $_ for values %MAP;	3680	reattach $_ for values %MAP;
		3681	warn "reattaching attachments to players";
		3682	reattach $_ for values %PLAYER;
2400		3683
2401	warn "restarting server ticker";	3684	warn "leaving sync_job";
2402		3685
2403	$TICK_WATCHER->start;	3686	1
		3687	} or do {
		3688	warn $@;
		3689	cf::cleanup "error while reloading, exiting.";
2404	};	3690	};
2405
2406	if ($@) {
2407	warn $@;
2408	warn "error while reloading, exiting.";
2409	exit 1;
2410	}
2411		3691
2412	warn "reloaded";	3692	warn "reloaded";
2413	};	3693	};
2414		3694
2415	our $RELOAD_WATCHER; # used only during reload	3695	our $RELOAD_WATCHER; # used only during reload
2416		3696
		3697	sub reload_perl() {
		3698	# doing reload synchronously and two reloads happen back-to-back,
		3699	# coro crashes during coro_state_free->destroy here.
		3700
		3701	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3702	do_reload_perl;
		3703	undef $RELOAD_WATCHER;
		3704	};
		3705	}
		3706
2417	register_command "reload" => sub {	3707	register_command "reload" => sub {
2418	my ($who, $arg) = @_;	3708	my ($who, $arg) = @_;
2419		3709
2420	if ($who->flag (FLAG_WIZ)) {	3710	if ($who->flag (FLAG_WIZ)) {
2421	$who->message ("reloading server.");	3711	$who->message ("reloading server.");
2422		3712	async {
2423	# doing reload synchronously and two reloads happen back-to-back,	3713	$Coro::current->{desc} = "perl_reload";
2424	# coro crashes during coro_state_free->destroy here.
2425
2426	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2427	reload;	3714	reload_perl;
2428	undef $RELOAD_WATCHER;
2429	});	3715	};
2430	}	3716	}
2431	};	3717	};
2432		3718
2433	unshift @INC, $LIBDIR;	3719	unshift @INC, $LIBDIR;
2434		3720
2435	my $bug_warning = 0;	3721	my $bug_warning = 0;
2436		3722
2437	$TICK_WATCHER = Event->timer (	3723	our @WAIT_FOR_TICK;
2438	reentrant => 0,	3724	our @WAIT_FOR_TICK_BEGIN;
2439	parked => 1,	3725
2440	prio => 0,	3726	sub wait_for_tick {
2441	at => $NEXT_TICK || $TICK,	3727	return if tick_inhibit || $Coro::current == $Coro::main;
2442	data => WF_AUTOCANCEL,	3728
2443	cb => sub {	3729	my $signal = new Coro::Signal;
		3730	push @WAIT_FOR_TICK, $signal;
		3731	$signal->wait;
		3732	}
		3733
		3734	sub wait_for_tick_begin {
		3735	return if tick_inhibit || $Coro::current == $Coro::main;
		3736
		3737	my $signal = new Coro::Signal;
		3738	push @WAIT_FOR_TICK_BEGIN, $signal;
		3739	$signal->wait;
		3740	}
		3741
		3742	sub tick {
2444	if ($Coro::current != $Coro::main) {	3743	if ($Coro::current != $Coro::main) {
2445	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3744	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2446	unless ++$bug_warning > 10;	3745	unless ++$bug_warning > 10;
2447	return;	3746	return;
2448	}	3747	}
2449		3748
2450	$NOW = Event::time;
2451
2452	cf::server_tick; # one server iteration	3749	cf::server_tick; # one server iteration
2453	$RUNTIME += $TICK;
2454	$NEXT_TICK += $TICK;
2455		3750
2456	$WAIT_FOR_TICK->broadcast;	3751	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2457	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3752	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2458		3753	Coro::async_pool {
2459	# if we are delayed by four ticks or more, skip them all	3754	$Coro::current->{desc} = "runtime saver";
2460	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2461
2462	$TICK_WATCHER->at ($NEXT_TICK);
2463	$TICK_WATCHER->start;
2464	},
2465	);
2466
2467	IO::AIO::max_poll_time $TICK * 0.2;
2468
2469	$AIO_POLL_WATCHER = Event->io (
2470	fd => IO::AIO::poll_fileno,
2471	poll => 'r',
2472	prio => 5,
2473	data => WF_AUTOCANCEL,
2474	cb => \&IO::AIO::poll_cb,
2475	);
2476
2477	$WRITE_RUNTIME_WATCHER = Event->timer (
2478	data => WF_AUTOCANCEL,
2479	after => 1,
2480	interval => 10,
2481	cb => Coro::unblock_sub {
2482	write_runtime	3755	write_runtime_sync
2483	or warn "ERROR: unable to write runtime file: $!";	3756	or warn "ERROR: unable to write runtime file: $!";
		3757	};
2484	},	3758	}
2485	);	3759
		3760	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3761	$sig->send;
		3762	}
		3763	while (my $sig = shift @WAIT_FOR_TICK) {
		3764	$sig->send;
		3765	}
		3766
		3767	$LOAD = ($NOW - $TICK_START) / $TICK;
		3768	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3769
		3770	if (0) {
		3771	if ($NEXT_TICK) {
		3772	my $jitter = $TICK_START - $NEXT_TICK;
		3773	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3774	warn "jitter $JITTER\n";#d#
		3775	}
		3776	}
		3777	}
		3778
		3779	{
		3780	# configure BDB
		3781
		3782	BDB::min_parallel 8;
		3783	BDB::max_poll_reqs $TICK * 0.1;
		3784	$Coro::BDB::WATCHER->priority (1);
		3785
		3786	unless ($DB_ENV) {
		3787	$DB_ENV = BDB::db_env_create;
		3788	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3789	| BDB::LOG_AUTOREMOVE, 1);
		3790	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3791	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3792
		3793	cf::sync_job {
		3794	eval {
		3795	BDB::db_env_open
		3796	$DB_ENV,
		3797	$BDBDIR,
		3798	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3799	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3800	0666;
		3801
		3802	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3803	};
		3804
		3805	cf::cleanup "db_env_open(db): $@" if $@;
		3806	};
		3807	}
		3808
		3809	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3810	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3811	};
		3812	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3813	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3814	};
		3815	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3816	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3817	};
		3818	}
		3819
		3820	{
		3821	# configure IO::AIO
		3822
		3823	IO::AIO::min_parallel 8;
		3824	IO::AIO::max_poll_time $TICK * 0.1;
		3825	$Coro::AIO::WATCHER->priority (1);
		3826	}
		3827
		3828	my $_log_backtrace;
		3829
		3830	sub _log_backtrace {
		3831	my ($msg, @addr) = @_;
		3832
		3833	$msg =~ s/\n//;
		3834
		3835	# limit the # of concurrent backtraces
		3836	if ($_log_backtrace < 2) {
		3837	++$_log_backtrace;
		3838	async {
		3839	$Coro::current->{desc} = "abt $msg";
		3840
		3841	my @bt = fork_call {
		3842	@addr = map { sprintf "%x", $_ } @addr;
		3843	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3844	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3845	or die "addr2line: $!";
		3846
		3847	my @funcs;
		3848	my @res = <$fh>;
		3849	chomp for @res;
		3850	while (@res) {
		3851	my ($func, $line) = splice @res, 0, 2, ();
		3852	push @funcs, "[$func] $line";
		3853	}
		3854
		3855	@funcs
		3856	};
		3857
		3858	LOG llevInfo, "[ABT] $msg\n";
		3859	LOG llevInfo, "[ABT] $_\n" for @bt;
		3860	--$_log_backtrace;
		3861	};
		3862	} else {
		3863	LOG llevInfo, "[ABT] $msg\n";
		3864	LOG llevInfo, "[ABT] [suppressed]\n";
		3865	}
		3866	}
		3867
		3868	# load additional modules
		3869	use cf::pod;
2486		3870
2487	END { cf::emergency_save }	3871	END { cf::emergency_save }
2488		3872
2489	1	3873	1
2490		3874

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