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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.169 by root, Sun Jan 14 01:09:46 2007 UTC vs.
Revision 1.418 by root, Fri Apr 11 21:09:53 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 3.3 ();	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	my ($time, $pri, $name) = @_;
		433
		434	$time = $TICK * .6 if $time > $TICK * .6;
		435	my $sig = new Coro::Signal;
		436
		437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		439	$SLOT_QUEUE->ready;
		440	$sig->wait;
271	}	441	}
272		442
273	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
274		444
275	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		450
281	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
282		452
283	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
284		454
285	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
288		459
289	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
292	fast or be very important.	463	fast or be very important.
…		…
295		466
296	sub sync_job(&) {	467	sub sync_job(&) {
297	my ($job) = @_;	468	my ($job) = @_;
298		469
299	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
		471	my $time = EV::time;
		472
300	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
302		475
303	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	477
305	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
306		479
307	my $busy = 1;	480	my $busy = 1;
308	my @res;	481	my @res;
309		482
310	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	485	@res = eval { $job->() };
312	warn $@ if $@;	486	warn $@ if $@;
313	undef $busy;	487	undef $busy;
314	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
315		489
316	while ($busy) {	490	while ($busy) {
317	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
318	}	495	}
		496	}
		497
		498	my $time = EV::time - $time;
		499
		500	$TICK_START += $time; # do not account sync jobs to server load
319		501
320	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
321	} else {	503	} else {
322	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
323		505
…		…
343	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
344		526
345	$coro	527	$coro
346	}	528	}
347		529
348	sub write_runtime {	530	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		531
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	532	Executes the given code block with the given arguments in a seperate
352	or return;	533	process, returning the results. Everything must be serialisable with
		534	Coro::Storable. May, of course, block. Note that the executed sub may
		535	never block itself or use any form of event handling.
353		536
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	537	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		538
358	aio_fsync $fh	539	sub fork_call(&@) {
359	and return;	540	my ($cb, @args) = @_;
360		541
361	close $fh	542	# we seemingly have to make a local copy of the whole thing,
362	or return;	543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
363		545
364	aio_rename "$runtime~", $runtime	546	my @res = Coro::Util::fork_eval {
365	and return;	547	reset_signals;
		548	&$cb
		549	}, @args;
366		550
		551	wantarray ? @res : $res[-1]
		552	}
		553
		554	=item $coin = coin_from_name $name
		555
		556	=cut
		557
		558	our %coin_alias = (
		559	"silver" => "silvercoin",
		560	"silvercoin" => "silvercoin",
		561	"silvercoins" => "silvercoin",
		562	"gold" => "goldcoin",
		563	"goldcoin" => "goldcoin",
		564	"goldcoins" => "goldcoin",
		565	"platinum" => "platinacoin",
		566	"platinumcoin" => "platinacoin",
		567	"platinumcoins" => "platinacoin",
		568	"platina" => "platinacoin",
		569	"platinacoin" => "platinacoin",
		570	"platinacoins" => "platinacoin",
		571	"royalty" => "royalty",
		572	"royalties" => "royalty",
		573	);
		574
		575	sub coin_from_name($) {
		576	$coin_alias{$_[0]}
		577	? cf::arch::find $coin_alias{$_[0]}
		578	: undef
		579	}
		580
		581	=item $value = cf::db_get $family => $key
		582
		583	Returns a single value from the environment database.
		584
		585	=item cf::db_put $family => $key => $value
		586
		587	Stores the given C<$value> in the family. It can currently store binary
		588	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		589
		590	=item $db = cf::db_table "name"
		591
		592	Create and/or open a new database table. The string must not be "db" and must be unique
		593	within each server.
		594
		595	=cut
		596
		597	sub db_table($) {
		598	my ($name) = @_;
		599	my $db = BDB::db_create $DB_ENV;
		600
		601	eval {
		602	$db->set_flags (BDB::CHKSUM);
		603
		604	utf8::encode $name;
		605	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		606	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		607	cf::cleanup "db_open(db): $!" if $!;
		608	};
		609	cf::cleanup "db_open(db): $@" if $@;
		610
		611	$db
		612	}
		613
		614	our $DB;
		615
		616	sub db_init {
		617	cf::sync_job {
		618	$DB ||= db_table "db";
		619	};
		620	}
		621
		622	sub db_get($$) {
		623	my $key = "$_[0]/$_[1]";
		624
		625	cf::sync_job {
		626	BDB::db_get $DB, undef, $key, my $data;
		627
		628	$! ? ()
		629	: $data
367	1	630	}
		631	}
		632
		633	sub db_put($$$) {
		634	BDB::dbreq_pri 4;
		635	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		636	}
		637
		638	=item cf::cache $id => [$paths...], $processversion => $process
		639
		640	Generic caching function that returns the value of the resource $id,
		641	caching and regenerating as required.
		642
		643	This function can block.
		644
		645	=cut
		646
		647	sub cache {
		648	my ($id, $src, $processversion, $process) = @_;
		649
		650	my $meta =
		651	join "\x00",
		652	$processversion,
		653	map {
		654	aio_stat $_
		655	and Carp::croak "$_: $!";
		656
		657	($_, (stat _)[7,9])
		658	} @$src;
		659
		660	my $dbmeta = db_get cache => "$id/meta";
		661	if ($dbmeta ne $meta) {
		662	# changed, we may need to process
		663
		664	my @data;
		665	my $md5;
		666
		667	for (0 .. $#$src) {
		668	0 <= aio_load $src->[$_], $data[$_]
		669	or Carp::croak "$src->[$_]: $!";
		670	}
		671
		672	# if processing is expensive, check
		673	# checksum first
		674	if (1) {
		675	$md5 =
		676	join "\x00",
		677	$processversion,
		678	map {
		679	cf::cede_to_tick;
		680	($src->[$_], Digest::MD5::md5_hex $data[$_])
		681	} 0.. $#$src;
		682
		683
		684	my $dbmd5 = db_get cache => "$id/md5";
		685	if ($dbmd5 eq $md5) {
		686	db_put cache => "$id/meta", $meta;
		687
		688	return db_get cache => "$id/data";
		689	}
		690	}
		691
		692	my $t1 = Time::HiRes::time;
		693	my $data = $process->(\@data);
		694	my $t2 = Time::HiRes::time;
		695
		696	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		697
		698	db_put cache => "$id/data", $data;
		699	db_put cache => "$id/md5" , $md5;
		700	db_put cache => "$id/meta", $meta;
		701
		702	return $data;
		703	}
		704
		705	db_get cache => "$id/data"
		706	}
		707
		708	=item cf::datalog type => key => value, ...
		709
		710	Log a datalog packet of the given type with the given key-value pairs.
		711
		712	=cut
		713
		714	sub datalog($@) {
		715	my ($type, %kv) = @_;
		716	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	717	}
369		718
370	=back	719	=back
371		720
372	=cut	721	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	728	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
381		730
382	In the following description, CLASS can be any of C<global>, C<object>	731	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	732	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	733	Deliantra).
385		734
386	=over 4	735	=over 4
387		736
388	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
389		738
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	852	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	853	our @CB_MAP = ();
505		854
506	my %attachment;	855	my %attachment;
507		856
		857	sub cf::attachable::thawer_merge {
		858	# simply override everything except _meta
		859	local $_[0]{_meta};
		860	%{$_[0]} = %{$_[1]};
		861	}
		862
508	sub _attach_cb($$$$) {	863	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	864	my ($registry, $event, $prio, $cb) = @_;
510		865
511	use sort 'stable';	866	use sort 'stable';
512		867
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	901	$registry = $CB_TYPE[$object_type] ||= [];
547		902
548	} elsif ($type eq "subtype") {	903	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	904	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	905	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	906	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		907
553	} elsif ($type eq "package") {	908	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	909	my $pkg = shift @arg;
555		910
556	while (my ($name, $id) = each %cb_id) {	911	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	940	_attach $registry, $klass, @attach;
586	}	941	}
587		942
588	$obj->{$name} = \%arg;	943	$obj->{$name} = \%arg;
589	} else {	944	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	945	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	946	}
592		947
593	$obj->{_attachment}{$name} = undef;	948	$obj->{_attachment}{$name} = undef;
594	}	949	}
595		950
…		…
597	if (ref $_[0]) {	952	if (ref $_[0]) {
598	_object_attach @_;	953	_object_attach @_;
599	} else {	954	} else {
600	_attach shift->_attach_registry, @_;	955	_attach shift->_attach_registry, @_;
601	}	956	}
		957	_recalc_want;
602	};	958	};
603		959
604	# all those should be optimised	960	# all those should be optimised
605	sub cf::attachable::detach {	961	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	962	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	965	delete $obj->{_attachment}{$name};
610	reattach ($obj);	966	reattach ($obj);
611	} else {	967	} else {
612	Carp::croak "cannot, currently, detach class attachments";	968	Carp::croak "cannot, currently, detach class attachments";
613	}	969	}
		970	_recalc_want;
614	};	971	};
615		972
616	sub cf::attachable::attached {	973	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	974	my ($obj, $name) = @_;
618		975
…		…
633	";	990	";
634	die if $@;	991	die if $@;
635	}	992	}
636		993
637	our $override;	994	our $override;
638	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	995	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
639		996
640	sub override {	997	sub override {
641	$override = 1;	998	$override = 1;
642	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
643	}	1000	}
644		1001
645	sub do_invoke {	1002	sub do_invoke {
646	my $event = shift;	1003	my $event = shift;
647	my $callbacks = shift;	1004	my $callbacks = shift;
648		1005
649	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
650		1007
651	local $override;	1008	local $override;
652		1009
653	for (@$callbacks) {	1010	for (@$callbacks) {
654	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
663	}	1020	}
664		1021
665	0	1022	0
666	}	1023	}
667		1024
668	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
669		1026
670	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
671		1028
672	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
673		1030
674	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1031	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
675	removed in future versions), and there is no public API to access override	1032	removed in future versions), and there is no public API to access override
676	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		1034
678	=back	1035	=back
679		1036
680	=cut	1037	=cut
681		1038
682	#############################################################################	1039	#############################################################################
683	# object support	1040	# object support
		1041
		1042	sub _object_equal($$);
		1043	sub _object_equal($$) {
		1044	my ($a, $b) = @_;
		1045
		1046	return 0 unless (ref $a) eq (ref $b);
		1047
		1048	if ("HASH" eq ref $a) {
		1049	my @ka = keys %$a;
		1050	my @kb = keys %$b;
		1051
		1052	return 0 if @ka != @kb;
		1053
		1054	for (0 .. $#ka) {
		1055	return 0 unless $ka[$_] eq $kb[$_];
		1056	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1057	}
		1058
		1059	} elsif ("ARRAY" eq ref $a) {
		1060
		1061	return 0 if @$a != @$b;
		1062
		1063	for (0 .. $#$a) {
		1064	return 0 unless _object_equal $a->[$_], $b->[$_];
		1065	}
		1066
		1067	} elsif ($a ne $b) {
		1068	return 0;
		1069	}
		1070
		1071	1
		1072	}
		1073
		1074	our $SLOW_MERGES;#d#
		1075	sub _can_merge {
		1076	my ($ob1, $ob2) = @_;
		1077
		1078	++$SLOW_MERGES;#d#
		1079
		1080	# we do the slow way here
		1081	return _object_equal $ob1, $ob2
		1082	}
684		1083
685	sub reattach {	1084	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	1086	my ($obj) = @_;
688		1087
…		…
709	cf::attachable->attach (	1108	cf::attachable->attach (
710	prio => -1000000,	1109	prio => -1000000,
711	on_instantiate => sub {	1110	on_instantiate => sub {
712	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
713		1112
714	$data = from_json $data;	1113	$data = decode_json $data;
715		1114
716	for (@$data) {	1115	for (@$data) {
717	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
718		1117
719	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
735	sub object_freezer_save {	1134	sub object_freezer_save {
736	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
737		1136
738	sync_job {	1137	sync_job {
739	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
740	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
741	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
742		1142
743	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
744	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
745	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
746	aio_fsync $fh;	1146	aio_fsync $fh if $cf::USE_FSYNC;
747	close $fh;	1147	close $fh;
748		1148
749	if (@$objs) {	1149	if (@$objs) {
750	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1150	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
751	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
752	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
753	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
754	aio_fsync $fh;	1154	aio_fsync $fh if $cf::USE_FSYNC;
755	close $fh;	1155	close $fh;
756	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
757	}	1157	}
758	} else {	1158	} else {
759	aio_unlink "$filename.pst";	1159	aio_unlink "$filename.pst";
…		…
765	}	1165	}
766	} else {	1166	} else {
767	aio_unlink $filename;	1167	aio_unlink $filename;
768	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
769	}	1169	}
770	}	1170	};
771	}	1171	}
772		1172
773	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
774	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
775		1175
…		…
787	or return;	1187	or return;
788		1188
789	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
790	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
791	or return;	1191	or return;
		1192
792	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
793	}	1195	}
794		1196
		1197	utf8::decode (my $decname = $filename);
795	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
796	$filename, length $data, scalar @{$av || []};#d#	1199	$decname, length $data, scalar @{$av || []};
		1200
797	return ($data, $av);	1201	($data, $av)
798	}	1202	}
		1203
		1204	=head2 COMMAND CALLBACKS
		1205
		1206	=over 4
		1207
		1208	=cut
799		1209
800	#############################################################################	1210	#############################################################################
801	# command handling &c	1211	# command handling &c
802		1212
803	=item cf::register_command $name => \&callback($ob,$args);	1213	=item cf::register_command $name => \&callback($ob,$args);
…		…
816	push @{ $COMMAND{$name} }, [$caller, $cb];	1226	push @{ $COMMAND{$name} }, [$caller, $cb];
817	}	1227	}
818		1228
819	=item cf::register_extcmd $name => \&callback($pl,$packet);	1229	=item cf::register_extcmd $name => \&callback($pl,$packet);
820		1230
821	Register a callbackf ro execution when the client sends an extcmd packet.	1231	Register a callback for execution when the client sends an (synchronous)
		1232	extcmd packet. Ext commands will be processed in the order they are
		1233	received by the server, like other user commands. The first argument is
		1234	the logged-in player. Ext commands can only be processed after a player
		1235	has logged in successfully.
822		1236
823	If the callback returns something, it is sent back as if reply was being	1237	If the callback returns something, it is sent back as if reply was being
824	called.	1238	called.
825		1239
		1240	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1241
		1242	Register a callback for execution when the client sends an (asynchronous)
		1243	exticmd packet. Exti commands are processed by the server as soon as they
		1244	are received, i.e. out of order w.r.t. other commands. The first argument
		1245	is a client socket. Exti commands can be received anytime, even before
		1246	log-in.
		1247
		1248	If the callback returns something, it is sent back as if reply was being
		1249	called.
		1250
826	=cut	1251	=cut
827		1252
828	sub register_extcmd {	1253	sub register_extcmd {
829	my ($name, $cb) = @_;	1254	my ($name, $cb) = @_;
830		1255
831	$EXTCMD{$name} = $cb;	1256	$EXTCMD{$name} = $cb;
		1257	}
		1258
		1259	sub register_exticmd {
		1260	my ($name, $cb) = @_;
		1261
		1262	$EXTICMD{$name} = $cb;
832	}	1263	}
833		1264
834	cf::player->attach (	1265	cf::player->attach (
835	on_command => sub {	1266	on_command => sub {
836	my ($pl, $name, $params) = @_;	1267	my ($pl, $name, $params) = @_;
…		…
845	cf::override;	1276	cf::override;
846	},	1277	},
847	on_extcmd => sub {	1278	on_extcmd => sub {
848	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
849		1280
850	my $msg = eval { from_json $buf };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
851		1282
852	if (ref $msg) {	1283	if (ref $msg) {
		1284	my ($type, $reply, @payload) =
		1285	"ARRAY" eq ref $msg
		1286	? @$msg
		1287	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1288
		1289	my @reply;
		1290
853	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
854	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
855	$pl->ext_reply ($msg->{msgid}, %reply);
856	}
857	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
858	} else {	1298	} else {
859	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
860	}	1300	}
861		1301
862	cf::override;	1302	cf::override;
863	},	1303	},
864	);	1304	);
865		1305
866	sub load_extension {
867	my ($path) = @_;
868
869	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
870	my $base = $1;
871	my $pkg = $1;
872	$pkg =~ s/[^[:word:]]/_/g;
873	$pkg = "ext::$pkg";
874
875	warn "... loading '$path' into '$pkg'\n";
876
877	open my $fh, "<:utf8", $path
878	or die "$path: $!";
879
880	my $source =
881	"package $pkg; use strict; use utf8;\n"
882	. "#line 1 \"$path\"\n{\n"
883	. (do { local $/; <$fh> })
884	. "\n};\n1";
885
886	unless (eval $source) {
887	my $msg = $@ ? "$path: $@\n"
888	: "extension disabled.\n";
889	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
890	warn $@;
891	warn "mandatory extension failed to load, exiting.\n";
892	exit 1;
893	}
894	die $@;
895	}
896
897	push @EXTS, $pkg;
898	}
899
900	sub load_extensions {	1306	sub load_extensions {
		1307	cf::sync_job {
		1308	my %todo;
		1309
901	for my $ext (<$LIBDIR/*.ext>) {	1310	for my $path (<$LIBDIR/*.ext>) {
902	next unless -r $ext;	1311	next unless -r $path;
903	eval {	1312
904	load_extension $ext;	1313	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1314	my $base = $1;
		1315	my $pkg = $1;
		1316	$pkg =~ s/[^[:word:]]/_/g;
		1317	$pkg = "ext::$pkg";
		1318
		1319	open my $fh, "<:utf8", $path
		1320	or die "$path: $!";
		1321
		1322	my $source = do { local $/; <$fh> };
		1323
		1324	my %ext = (
		1325	path => $path,
		1326	base => $base,
		1327	pkg => $pkg,
		1328	);
		1329
		1330	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1331	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1332
		1333	$ext{source} =
		1334	"package $pkg; use strict; use utf8;\n"
		1335	. "#line 1 \"$path\"\n{\n"
		1336	. $source
		1337	. "\n};\n1";
		1338
		1339	$todo{$base} = \%ext;
		1340	}
		1341
		1342	my %done;
		1343	while (%todo) {
		1344	my $progress;
		1345
		1346	while (my ($k, $v) = each %todo) {
		1347	for (split /,\s*/, $v->{meta}{depends}) {
		1348	goto skip
		1349	unless exists $done{$_};
		1350	}
		1351
		1352	warn "... loading '$k' into '$v->{pkg}'\n";
		1353
		1354	unless (eval $v->{source}) {
		1355	my $msg = $@ ? "$v->{path}: $@\n"
		1356	: "$v->{base}: extension inactive.\n";
		1357
		1358	if (exists $v->{meta}{mandatory}) {
		1359	warn $msg;
		1360	cf::cleanup "mandatory extension failed to load, exiting.";
		1361	}
		1362
		1363	warn $msg;
		1364	}
		1365
		1366	$done{$k} = delete $todo{$k};
		1367	push @EXTS, $v->{pkg};
		1368	$progress = 1;
905	1	1369	}
906	} or warn "$ext not loaded: $@";	1370
		1371	skip:
		1372	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1373	unless $progress;
		1374	}
907	}	1375	};
908	}	1376	}
909		1377
910	#############################################################################	1378	#############################################################################
911		1379
		1380	=back
		1381
912	=head2 CORE EXTENSIONS	1382	=head2 CORE EXTENSIONS
913		1383
914	Functions and methods that extend core crossfire objects.	1384	Functions and methods that extend core crossfire objects.
915		1385
916	=cut	1386	=cut
…		…
921		1391
922	=head3 cf::player	1392	=head3 cf::player
923		1393
924	=over 4	1394	=over 4
925		1395
		1396	=item cf::player::num_playing
		1397
		1398	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1399
		1400	=cut
		1401
		1402	sub num_playing {
		1403	scalar grep
		1404	$_->ob->map
		1405	&& !$_->hidden
		1406	&& !$_->ob->flag (cf::FLAG_WIZ),
		1407	cf::player::list
		1408	}
		1409
926	=item cf::player::find $login	1410	=item cf::player::find $login
927		1411
928	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
929		1413
930	=cut	1414	=cut
931		1415
932	sub playerdir($) {	1416	sub playerdir($) {
933	cf::localdir	1417	"$PLAYERDIR/"
934	. "/"
935	. cf::playerdir
936	. "/"
937	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1418	. (ref $_[0] ? $_[0]->ob->name : $_[0])
938	}	1419	}
939		1420
940	sub path($) {	1421	sub path($) {
941	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1422	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
942		1423
943	(playerdir $login) . "/$login.pl"	1424	(playerdir $login) . "/playerdata"
944	}	1425	}
945		1426
946	sub find_active($) {	1427	sub find_active($) {
947	$cf::PLAYER{$_[0]}	1428	$cf::PLAYER{$_[0]}
948	and $cf::PLAYER{$_[0]}->active	1429	and $cf::PLAYER{$_[0]}->active
…		…
951		1432
952	sub exists($) {	1433	sub exists($) {
953	my ($login) = @_;	1434	my ($login) = @_;
954		1435
955	$cf::PLAYER{$login}	1436	$cf::PLAYER{$login}
956	or cf::sync_job { !aio_stat $login }	1437	or cf::sync_job { !aio_stat path $login }
957	}	1438	}
958		1439
959	sub find($) {	1440	sub find($) {
960	return $cf::PLAYER{$_[0]} || do {	1441	return $cf::PLAYER{$_[0]} || do {
961	my $login = $_[0];	1442	my $login = $_[0];
962		1443
963	my $guard = cf::lock_acquire "user_find:$login";	1444	my $guard = cf::lock_acquire "user_find:$login";
964		1445
965	$cf::PLAYER{$_[0]} || do {	1446	$cf::PLAYER{$_[0]} || do {
966	my $pl = load_pl path $login	1447	# rename old playerfiles to new ones
		1448	#TODO: remove when no longer required
		1449	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1450	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1451	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1452	aio_unlink +(playerdir $login) . "/$login.pl";
		1453
		1454	my $f = new_from_file cf::object::thawer path $login
967	or return;	1455	or return;
		1456
		1457	my $pl = cf::player::load_pl $f
		1458	or return;
		1459	local $cf::PLAYER_LOADING{$login} = $pl;
		1460	$f->resolve_delayed_derefs;
968	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
969	}	1462	}
970	}	1463	}
971	}	1464	}
972		1465
…		…
982		1475
983	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
984	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
985		1478
986	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
987	Coro::cede;	1480	cf::cede_to_tick;
988	}	1481	}
989		1482
990	sub new($) {	1483	sub new($) {
991	my ($login) = @_;	1484	my ($login) = @_;
992		1485
…		…
998	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
999		1492
1000	$self	1493	$self
1001	}	1494	}
1002		1495
		1496	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1497
		1498	=cut
		1499
		1500	sub send_msg {
		1501	my $ns = shift->ns
		1502	or return;
		1503	$ns->send_msg (@_);
		1504	}
		1505
1003	=item $pl->quit_character	1506	=item $pl->quit_character
1004		1507
1005	Nukes the player without looking back. If logged in, the connection will	1508	Nukes the player without looking back. If logged in, the connection will
1006	be destroyed. May block for a long time.	1509	be destroyed. May block for a long time.
1007		1510
1008	=cut	1511	=cut
1009		1512
1010	sub quit_character {	1513	sub quit_character {
1011	my ($pl) = @_;	1514	my ($pl) = @_;
		1515
		1516	my $name = $pl->ob->name;
1012		1517
1013	$pl->{deny_save} = 1;	1518	$pl->{deny_save} = 1;
1014	$pl->password ("*"); # this should lock out the player until we nuked the dir	1519	$pl->password ("*"); # this should lock out the player until we nuked the dir
1015		1520
1016	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1521	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1021	my $path = playerdir $pl;	1526	my $path = playerdir $pl;
1022	my $temp = "$path~$cf::RUNTIME~deleting~";	1527	my $temp = "$path~$cf::RUNTIME~deleting~";
1023	aio_rename $path, $temp;	1528	aio_rename $path, $temp;
1024	delete $cf::PLAYER{$pl->ob->name};	1529	delete $cf::PLAYER{$pl->ob->name};
1025	$pl->destroy;	1530	$pl->destroy;
		1531
		1532	my $prefix = qr<^~\Q$name\E/>;
		1533
		1534	# nuke player maps
		1535	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1536
1026	IO::AIO::aio_rmtree $temp;	1537	IO::AIO::aio_rmtree $temp;
		1538	}
		1539
		1540	=item $pl->kick
		1541
		1542	Kicks a player out of the game. This destroys the connection.
		1543
		1544	=cut
		1545
		1546	sub kick {
		1547	my ($pl, $kicker) = @_;
		1548
		1549	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1550	$pl->killer ("kicked");
		1551	$pl->ns->destroy;
1027	}	1552	}
1028		1553
1029	=item cf::player::list_logins	1554	=item cf::player::list_logins
1030		1555
1031	Returns am arrayref of all valid playernames in the system, can take a	1556	Returns am arrayref of all valid playernames in the system, can take a
1032	while and may block, so not sync_job-capable, ever.	1557	while and may block, so not sync_job-capable, ever.
1033		1558
1034	=cut	1559	=cut
1035		1560
1036	sub list_logins {	1561	sub list_logins {
1037	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1562	my $dirs = aio_readdir $PLAYERDIR
1038	or return [];	1563	or return [];
1039		1564
1040	my @logins;	1565	my @logins;
1041		1566
1042	for my $login (@$dirs) {	1567	for my $login (@$dirs) {
		1568	my $path = path $login;
		1569
		1570	# a .pst is a dead give-away for a valid player
		1571	unless (-e "$path.pst") {
1043	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1044	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1045	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1046		1576
1047	utf8::decode $login;	1577	utf8::decode $login;
1048	push @logins, $login;	1578	push @logins, $login;
1049	}	1579	}
1050		1580
…		…
1058		1588
1059	=cut	1589	=cut
1060		1590
1061	sub maps($) {	1591	sub maps($) {
1062	my ($pl) = @_;	1592	my ($pl) = @_;
		1593
		1594	$pl = ref $pl ? $pl->ob->name : $pl;
1063		1595
1064	my $files = aio_readdir playerdir $pl	1596	my $files = aio_readdir playerdir $pl
1065	or return;	1597	or return;
1066		1598
1067	my @paths;	1599	my @paths;
…		…
1069	for (@$files) {	1601	for (@$files) {
1070	utf8::decode $_;	1602	utf8::decode $_;
1071	next if /\.(?:pl|pst)$/;	1603	next if /\.(?:pl|pst)$/;
1072	next unless /^$PATH_SEP/o;	1604	next unless /^$PATH_SEP/o;
1073		1605
1074	s/\.map$//;	1606	push @paths, cf::map::normalise "~$pl/$_";
1075	push @paths, "~" . $pl->ob->name . "/" . $_;
1076	}	1607	}
1077		1608
1078	\@paths	1609	\@paths
1079	}	1610	}
1080		1611
		1612	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1613
		1614	Expand crossfire pod fragments into protocol xml.
		1615
		1616	=cut
		1617
		1618	use re 'eval';
		1619
		1620	my $group;
		1621	my $interior; $interior = qr{
		1622	# match a pod interior sequence sans C<< >>
		1623	(?:
		1624	\ (.*?)\ (?{ $group = $^N })
		1625	| < (??{$interior}) >
		1626	)
		1627	}x;
		1628
		1629	sub expand_cfpod {
		1630	my ($self, $pod) = @_;
		1631
		1632	my $xml;
		1633
		1634	while () {
		1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1636	$group = $1;
		1637
		1638	$group =~ s/&/&amp;/g;
		1639	$group =~ s/</&lt;/g;
		1640
		1641	$xml .= $group;
		1642	} elsif ($pod =~ m%\G
		1643	([BCGHITU])
		1644	<
		1645	(?:
		1646	([^<>]*) (?{ $group = $^N })
		1647	| < $interior >
		1648	)
		1649	>
		1650	%gcsx
		1651	) {
		1652	my ($code, $data) = ($1, $group);
		1653
		1654	if ($code eq "B") {
		1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1656	} elsif ($code eq "I") {
		1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1658	} elsif ($code eq "U") {
		1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1660	} elsif ($code eq "C") {
		1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1662	} elsif ($code eq "T") {
		1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1664	} elsif ($code eq "G") {
		1665	my ($male, $female) = split /\|/, $data;
		1666	$data = $self->gender ? $female : $male;
		1667	$xml .= expand_cfpod ($self, $data);
		1668	} elsif ($code eq "H") {
		1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1671	"")
		1672	[$self->{hintmode}];
		1673	} else {
		1674	$xml .= "error processing '$code($data)' directive";
		1675	}
		1676	} else {
		1677	if ($pod =~ /\G(.+)/) {
		1678	warn "parse error while expanding $pod (at $1)";
		1679	}
		1680	last;
		1681	}
		1682	}
		1683
		1684	for ($xml) {
		1685	# create single paragraphs (very hackish)
		1686	s/(?<=\S)\n(?=\w)/ /g;
		1687
		1688	# compress some whitespace
		1689	s/\s+\n/\n/g; # ws line-ends
		1690	s/\n\n+/\n/g; # double lines
		1691	s/^\n+//; # beginning lines
		1692	s/\n+$//; # ending lines
		1693	}
		1694
		1695	$xml
		1696	}
		1697
		1698	no re 'eval';
		1699
		1700	sub hintmode {
		1701	$_[0]{hintmode} = $_[1] if @_ > 1;
		1702	$_[0]{hintmode}
		1703	}
		1704
1081	=item $player->ext_reply ($msgid, $msgtype, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1082		1706
1083	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1084		1708
1085	=cut	1709	=cut
1086		1710
1087	sub ext_reply($$$%) {	1711	sub ext_reply($$@) {
1088	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1089		1713
1090	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1091
1092	$self->send ("ext " . cf::to_json \%msg);
1093	}	1715	}
1094		1716
1095	package cf;	1717	=item $player->ext_msg ($type, @msg)
		1718
		1719	Sends an ext event to the client.
		1720
		1721	=cut
		1722
		1723	sub ext_msg($$@) {
		1724	my ($self, $type, @msg) = @_;
		1725
		1726	$self->ns->ext_msg ($type, @msg);
		1727	}
		1728
		1729	=head3 cf::region
		1730
		1731	=over 4
		1732
		1733	=cut
		1734
		1735	package cf::region;
		1736
		1737	=item cf::region::find_by_path $path
		1738
		1739	Tries to decuce the likely region for a map knowing only its path.
		1740
		1741	=cut
		1742
		1743	sub find_by_path($) {
		1744	my ($path) = @_;
		1745
		1746	my ($match, $specificity);
		1747
		1748	for my $region (list) {
		1749	if ($region->{match} && $path =~ $region->{match}) {
		1750	($match, $specificity) = ($region, $region->specificity)
		1751	if $region->specificity > $specificity;
		1752	}
		1753	}
		1754
		1755	$match
		1756	}
1096		1757
1097	=back	1758	=back
1098
1099		1759
1100	=head3 cf::map	1760	=head3 cf::map
1101		1761
1102	=over 4	1762	=over 4
1103		1763
…		…
1107		1767
1108	use Fcntl;	1768	use Fcntl;
1109	use Coro::AIO;	1769	use Coro::AIO;
1110		1770
1111	use overload	1771	use overload
1112	'""' => \&as_string;	1772	'""' => \&as_string,
		1773	fallback => 1;
1113		1774
1114	our $MAX_RESET = 3600;	1775	our $MAX_RESET = 3600;
1115	our $DEFAULT_RESET = 3000;	1776	our $DEFAULT_RESET = 3000;
1116		1777
1117	sub generate_random_map {	1778	sub generate_random_map {
1118	my ($self, $rmp) = @_;	1779	my ($self, $rmp) = @_;
		1780
		1781	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1119		1782
1120	# mit "rum" bekleckern, nicht	1783	# mit "rum" bekleckern, nicht
1121	$self->_create_random_map (	1784	$self->_create_random_map (
1122	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1123	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
…		…
1131	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1794	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1132	(cf::region::find $rmp->{region}), $rmp->{custom}	1795	(cf::region::find $rmp->{region}), $rmp->{custom}
1133	)	1796	)
1134	}	1797	}
1135		1798
		1799	=item cf::map->register ($regex, $prio)
		1800
		1801	Register a handler for the map path matching the given regex at the
		1802	givne priority (higher is better, built-in handlers have priority 0, the
		1803	default).
		1804
		1805	=cut
		1806
1136	sub register {	1807	sub register {
1137	my (undef, $regex) = @_;	1808	my (undef, $regex, $prio) = @_;
1138	my $pkg = caller;	1809	my $pkg = caller;
1139		1810
1140	no strict;	1811	no strict;
1141	push @{"$pkg\::ISA"}, __PACKAGE__;	1812	push @{"$pkg\::ISA"}, __PACKAGE__;
1142		1813
1143	$EXT_MAP{$pkg} = qr<$regex>;	1814	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1144	}	1815	}
1145		1816
1146	# also paths starting with '/'	1817	# also paths starting with '/'
1147	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1818	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1819
		1820	sub thawer_merge {
		1821	my ($self, $merge) = @_;
		1822
		1823	# we have to keep some variables in memory intact
		1824	local $self->{path};
		1825	local $self->{load_path};
		1826
		1827	$self->SUPER::thawer_merge ($merge);
		1828	}
1148		1829
1149	sub normalise {	1830	sub normalise {
1150	my ($path, $base) = @_;	1831	my ($path, $base) = @_;
		1832
		1833	$path = "$path"; # make sure its a string
		1834
		1835	$path =~ s/\.map$//;
1151		1836
1152	# map plan:	1837	# map plan:
1153	#	1838	#
1154	# /! non-realised random map exit (special hack!)	1839	# /! non-realised random map exit (special hack!)
1155	# {... are special paths that are not being touched	1840	# {... are special paths that are not being touched
…		…
1183		1868
1184	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1869	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1185		1870
1186	$path = normalise $path, $base;	1871	$path = normalise $path, $base;
1187		1872
1188	for my $pkg (keys %EXT_MAP) {	1873	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1189	if ($path =~ $EXT_MAP{$pkg}) {	1874	if ($path =~ $EXT_MAP{$pkg}[1]) {
1190	my $self = bless cf::map::new, $pkg;	1875	my $self = bless cf::map::new, $pkg;
1191	$self->{path} = $path; $self->path ($path);	1876	$self->{path} = $path; $self->path ($path);
1192	$self->init; # pass $1 etc.	1877	$self->init; # pass $1 etc.
1193	return $self;	1878	return $self;
1194	}	1879	}
1195	}	1880	}
1196		1881
1197	Carp::carp "unable to resolve path '$path'.";	1882	Carp::cluck "unable to resolve path '$path' (base '$base').";
1198	()	1883	()
1199	}	1884	}
1200		1885
1201	sub init {	1886	sub init {
1202	my ($self) = @_;	1887	my ($self) = @_;
…		…
1217		1902
1218	# the original (read-only) location	1903	# the original (read-only) location
1219	sub load_path {	1904	sub load_path {
1220	my ($self) = @_;	1905	my ($self) = @_;
1221		1906
1222	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1907	"$MAPDIR/$self->{path}.map"
1223	}	1908	}
1224		1909
1225	# the temporary/swap location	1910	# the temporary/swap location
1226	sub save_path {	1911	sub save_path {
1227	my ($self) = @_;	1912	my ($self) = @_;
1228		1913
1229	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1914	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1230	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1915	"$TMPDIR/$path.map"
1231	}	1916	}
1232		1917
1233	# the unique path, undef == no special unique path	1918	# the unique path, undef == no special unique path
1234	sub uniq_path {	1919	sub uniq_path {
1235	my ($self) = @_;	1920	my ($self) = @_;
1236		1921
1237	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1238	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1923	"$UNIQUEDIR/$path"
1239	}	1924	}
1240		1925
1241	# and all this just because we cannot iterate over	1926	# and all this just because we cannot iterate over
1242	# all maps in C++...	1927	# all maps in C++...
1243	sub change_all_map_light {	1928	sub change_all_map_light {
…		…
1245		1930
1246	$_->change_map_light ($change)	1931	$_->change_map_light ($change)
1247	for grep $_->outdoor, values %cf::MAP;	1932	for grep $_->outdoor, values %cf::MAP;
1248	}	1933	}
1249		1934
		1935	sub decay_objects {
		1936	my ($self) = @_;
		1937
		1938	return if $self->{deny_reset};
		1939
		1940	$self->do_decay_objects;
		1941	}
		1942
1250	sub unlink_save {	1943	sub unlink_save {
1251	my ($self) = @_;	1944	my ($self) = @_;
1252		1945
1253	utf8::encode (my $save = $self->save_path);	1946	utf8::encode (my $save = $self->save_path);
1254	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1947	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1255	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1948	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1256	}	1949	}
1257		1950
1258	sub load_header_from($) {	1951	sub load_header_from($) {
1259	my ($self, $path) = @_;	1952	my ($self, $path) = @_;
1260		1953
1261	utf8::encode $path;	1954	utf8::encode $path;
1262	aio_open $path, O_RDONLY, 0	1955	my $f = new_from_file cf::object::thawer $path
1263	or return;	1956	or return;
1264		1957
1265	$self->_load_header ($path)	1958	$self->_load_header ($f)
1266	or return;	1959	or return;
1267		1960
		1961	local $MAP_LOADING{$self->{path}} = $self;
		1962	$f->resolve_delayed_derefs;
		1963
1268	$self->{load_path} = $path;	1964	$self->{load_path} = $path;
1269		1965
1270	1	1966	1
1271	}	1967	}
1272		1968
1273	sub load_orig {	1969	sub load_header_orig {
1274	my ($self) = @_;	1970	my ($self) = @_;
1275		1971
1276	$self->load_header_from ($self->load_path)	1972	$self->load_header_from ($self->load_path)
1277	}	1973	}
1278		1974
1279	sub load_temp {	1975	sub load_header_temp {
1280	my ($self) = @_;	1976	my ($self) = @_;
1281		1977
1282	$self->load_header_from ($self->save_path)	1978	$self->load_header_from ($self->save_path)
		1979	}
		1980
		1981	sub prepare_temp {
		1982	my ($self) = @_;
		1983
		1984	$self->last_access ((delete $self->{last_access})
		1985	|| $cf::RUNTIME); #d#
		1986	# safety
		1987	$self->{instantiate_time} = $cf::RUNTIME
		1988	if $self->{instantiate_time} > $cf::RUNTIME;
		1989	}
		1990
		1991	sub prepare_orig {
		1992	my ($self) = @_;
		1993
		1994	$self->{load_original} = 1;
		1995	$self->{instantiate_time} = $cf::RUNTIME;
		1996	$self->last_access ($cf::RUNTIME);
		1997	$self->instantiate;
1283	}	1998	}
1284		1999
1285	sub load_header {	2000	sub load_header {
1286	my ($self) = @_;	2001	my ($self) = @_;
1287		2002
1288	if ($self->load_temp) {	2003	if ($self->load_header_temp) {
1289	$self->last_access ((delete $self->{last_access})	2004	$self->prepare_temp;
1290	|| $cf::RUNTIME); #d#
1291	# safety
1292	$self->{instantiate_time} = $cf::RUNTIME
1293	if $self->{instantiate_time} > $cf::RUNTIME;
1294	} else {	2005	} else {
1295	$self->load_orig	2006	$self->load_header_orig
1296	or return;	2007	or return;
1297		2008	$self->prepare_orig;
1298	$self->{load_original} = 1;
1299	$self->{instantiate_time} = $cf::RUNTIME;
1300	$self->last_access ($cf::RUNTIME);
1301	$self->instantiate;
1302	}	2009	}
		2010
		2011	$self->{deny_reset} = 1
		2012	if $self->no_reset;
		2013
		2014	$self->default_region (cf::region::find_by_path $self->{path})
		2015	unless $self->default_region;
1303		2016
1304	1	2017	1
1305	}	2018	}
1306		2019
1307	sub find;	2020	sub find;
1308	sub find {	2021	sub find {
1309	my ($path, $origin) = @_;	2022	my ($path, $origin) = @_;
1310		2023
1311	$path = normalise $path, $origin && $origin->path;	2024	$path = normalise $path, $origin && $origin->path;
1312		2025
		2026	cf::lock_wait "map_data:$path";#d#remove
1313	cf::lock_wait "map_find:$path";	2027	cf::lock_wait "map_find:$path";
1314		2028
1315	$cf::MAP{$path} || do {	2029	$cf::MAP{$path} || do {
1316	my $guard = cf::lock_acquire "map_find:$path";	2030	my $guard1 = cf::lock_acquire "map_find:$path";
		2031	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2032
1317	my $map = new_from_path cf::map $path	2033	my $map = new_from_path cf::map $path
1318	or return;	2034	or return;
1319		2035
1320	$map->{last_save} = $cf::RUNTIME;	2036	$map->{last_save} = $cf::RUNTIME;
1321		2037
1322	$map->load_header	2038	$map->load_header
1323	or return;	2039	or return;
1324		2040
1325	if ($map->should_reset) {	2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2042	# doing this can freeze the server in a sync job, obviously
		2043	#$cf::WAIT_FOR_TICK->wait;
		2044	undef $guard1;
		2045	undef $guard2;
1326	$map->reset;	2046	$map->reset;
1327	undef $guard;
1328	$map = find $path	2047	return find $path;
1329	or return;
1330	}	2048	}
1331		2049
1332	$cf::MAP{$path} = $map	2050	$cf::MAP{$path} = $map
1333	}	2051	}
1334	}	2052	}
		2053
		2054	sub pre_load { }
		2055	sub post_load { }
1335		2056
1336	sub load {	2057	sub load {
1337	my ($self) = @_;	2058	my ($self) = @_;
1338		2059
		2060	local $self->{deny_reset} = 1; # loading can take a long time
		2061
1339	my $path = $self->{path};	2062	my $path = $self->{path};
		2063
		2064	{
1340	my $guard = cf::lock_acquire "map_load:$path";	2065	my $guard = cf::lock_acquire "map_data:$path";
1341		2066
		2067	return unless $self->valid;
1342	return if $self->in_memory != cf::MAP_SWAPPED;	2068	return unless $self->in_memory == cf::MAP_SWAPPED;
1343		2069
1344	$self->in_memory (cf::MAP_LOADING);	2070	$self->in_memory (cf::MAP_LOADING);
1345		2071
1346	$self->alloc;	2072	$self->alloc;
1347	$self->_load_objects ($self->{load_path}, 1)	2073
		2074	$self->pre_load;
		2075	cf::cede_to_tick;
		2076
		2077	my $f = new_from_file cf::object::thawer $self->{load_path};
		2078	$f->skip_block;
		2079	$self->_load_objects ($f)
1348	or return;	2080	or return;
1349		2081
1350	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1351	if delete $self->{load_original};	2083	if delete $self->{load_original};
1352		2084
1353	if (my $uniq = $self->uniq_path) {	2085	if (my $uniq = $self->uniq_path) {
1354	utf8::encode $uniq;	2086	utf8::encode $uniq;
1355	if (aio_open $uniq, O_RDONLY, 0) {	2087	unless (aio_stat $uniq) {
		2088	if (my $f = new_from_file cf::object::thawer $uniq) {
1356	$self->clear_unique_items;	2089	$self->clear_unique_items;
1357	$self->_load_objects ($uniq, 0);	2090	$self->_load_objects ($f);
		2091	$f->resolve_delayed_derefs;
		2092	}
1358	}	2093	}
1359	}	2094	}
1360		2095
1361	Coro::cede;	2096	$f->resolve_delayed_derefs;
1362		2097
		2098	cf::cede_to_tick;
1363	# now do the right thing for maps	2099	# now do the right thing for maps
1364	$self->link_multipart_objects;	2100	$self->link_multipart_objects;
1365
1366	unless ($self->{deny_activate}) {
1367	$self->decay_objects;
1368	$self->fix_auto_apply;
1369	$self->update_buttons;
1370	Coro::cede;
1371	$self->set_darkness_map;
1372	$self->difficulty ($self->estimate_difficulty)	2101	$self->difficulty ($self->estimate_difficulty)
1373	unless $self->difficulty;	2102	unless $self->difficulty;
1374	Coro::cede;	2103	cf::cede_to_tick;
		2104
		2105	unless ($self->{deny_activate}) {
		2106	$self->decay_objects;
		2107	$self->fix_auto_apply;
		2108	$self->update_buttons;
		2109	cf::cede_to_tick;
		2110	$self->set_darkness_map;
		2111	cf::cede_to_tick;
1375	$self->activate;	2112	$self->activate;
1376	}	2113	}
1377		2114
		2115	$self->{last_save} = $cf::RUNTIME;
		2116	$self->last_access ($cf::RUNTIME);
		2117
1378	$self->in_memory (cf::MAP_IN_MEMORY);	2118	$self->in_memory (cf::MAP_IN_MEMORY);
		2119	}
		2120
		2121	$self->post_load;
1379	}	2122	}
1380		2123
1381	sub customise_for {	2124	sub customise_for {
1382	my ($self, $ob) = @_;	2125	my ($self, $ob) = @_;
1383		2126
1384	return find "~" . $ob->name . "/" . $self->{path}	2127	return find "~" . $ob->name . "/" . $self->{path}
1385	if $self->per_player;	2128	if $self->per_player;
1386		2129
		2130	# return find "?party/" . $ob->name . "/" . $self->{path}
		2131	# if $self->per_party;
		2132
1387	$self	2133	$self
1388	}	2134	}
1389		2135
1390	# find and load all maps in the 3x3 area around a map	2136	# find and load all maps in the 3x3 area around a map
1391	sub load_diag {	2137	sub load_neighbours {
1392	my ($map) = @_;	2138	my ($map) = @_;
1393		2139
1394	my @diag; # diagonal neighbours	2140	my @neigh; # diagonal neighbours
1395		2141
1396	for (0 .. 3) {	2142	for (0 .. 3) {
1397	my $neigh = $map->tile_path ($_)	2143	my $neigh = $map->tile_path ($_)
1398	or next;	2144	or next;
1399	$neigh = find $neigh, $map	2145	$neigh = find $neigh, $map
1400	or next;	2146	or next;
1401	$neigh->load;	2147	$neigh->load;
1402		2148
		2149	push @neigh,
1403	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2150	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1404	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2151	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1405	}	2152	}
1406		2153
1407	for (@diag) {	2154	for (grep defined $_->[0], @neigh) {
		2155	my ($path, $origin) = @$_;
1408	my $neigh = find @$_	2156	my $neigh = find $path, $origin
1409	or next;	2157	or next;
1410	$neigh->load;	2158	$neigh->load;
1411	}	2159	}
1412	}	2160	}
1413		2161
…		…
1418	}	2166	}
1419		2167
1420	sub do_load_sync {	2168	sub do_load_sync {
1421	my ($map) = @_;	2169	my ($map) = @_;
1422		2170
		2171	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2172	if $Coro::current == $Coro::main;
		2173
1423	cf::sync_job { $map->load };	2174	cf::sync_job { $map->load };
1424	}	2175	}
1425		2176
1426	our %MAP_PREFETCH;	2177	our %MAP_PREFETCH;
1427	our $MAP_PREFETCHER = Coro::async {	2178	our $MAP_PREFETCHER = undef;
1428	while () {
1429	for my $path (keys %MAP_PREFETCH) {
1430	my $map = find $path
1431	or next;
1432	$map->load;
1433
1434	delete $MAP_PREFETCH{$path};
1435	}
1436	Coro::schedule;
1437	}
1438	};
1439		2179
1440	sub find_async {	2180	sub find_async {
1441	my ($path, $origin) = @_;	2181	my ($path, $origin, $load) = @_;
1442		2182
1443	$path = normalise $path, $origin && $origin->{path};	2183	$path = normalise $path, $origin && $origin->{path};
1444		2184
1445	if (my $map = $cf::MAP{$path}) {	2185	if (my $map = $cf::MAP{$path}) {
1446	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2186	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2187	}
		2188
		2189	$MAP_PREFETCH{$path} |= $load;
		2190
		2191	$MAP_PREFETCHER ||= cf::async {
		2192	$Coro::current->{desc} = "map prefetcher";
		2193
		2194	while (%MAP_PREFETCH) {
		2195	while (my ($k, $v) = each %MAP_PREFETCH) {
		2196	if (my $map = find $k) {
		2197	$map->load if $v;
		2198	}
		2199
		2200	delete $MAP_PREFETCH{$k};
		2201	}
		2202	}
		2203	undef $MAP_PREFETCHER;
1447	}	2204	};
1448
1449	$MAP_PREFETCH{$path} = 0;
1450	$MAP_PREFETCHER->ready;	2205	$MAP_PREFETCHER->prio (6);
1451		2206
1452	()	2207	()
1453	}	2208	}
1454		2209
1455	sub save {	2210	sub save {
1456	my ($self) = @_;	2211	my ($self) = @_;
1457		2212
1458	my $lock = cf::lock_acquire "map_data:" . $self->path;	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1459		2214
1460	$self->{last_save} = $cf::RUNTIME;	2215	$self->{last_save} = $cf::RUNTIME;
1461		2216
1462	return unless $self->dirty;	2217	return unless $self->dirty;
1463		2218
…		…
1469	return if $self->{deny_save};	2224	return if $self->{deny_save};
1470		2225
1471	local $self->{last_access} = $self->last_access;#d#	2226	local $self->{last_access} = $self->last_access;#d#
1472		2227
1473	cf::async {	2228	cf::async {
		2229	$Coro::current->{desc} = "map player save";
1474	$_->contr->save for $self->players;	2230	$_->contr->save for $self->players;
1475	};	2231	};
1476		2232
1477	if ($uniq) {	2233	if ($uniq) {
1478	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1486	my ($self) = @_;	2242	my ($self) = @_;
1487		2243
1488	# save first because save cedes	2244	# save first because save cedes
1489	$self->save;	2245	$self->save;
1490		2246
1491	my $lock = cf::lock_acquire "map_data:" . $self->path;	2247	my $lock = cf::lock_acquire "map_data:$self->{path}";
1492		2248
1493	return if $self->players;	2249	return if $self->players;
1494	return if $self->in_memory != cf::MAP_IN_MEMORY;	2250	return if $self->in_memory != cf::MAP_IN_MEMORY;
1495	return if $self->{deny_save};	2251	return if $self->{deny_save};
1496		2252
		2253	$self->in_memory (cf::MAP_SWAPPED);
		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1497	$self->clear;	2257	$self->clear;
1498	$self->in_memory (cf::MAP_SWAPPED);
1499	}	2258	}
1500		2259
1501	sub reset_at {	2260	sub reset_at {
1502	my ($self) = @_;	2261	my ($self) = @_;
1503		2262
1504	# TODO: safety, remove and allow resettable per-player maps	2263	# TODO: safety, remove and allow resettable per-player maps
1505	return 1e99 if $self->isa ("ext::map_per_player");#d#
1506	return 1e99 if $self->{deny_reset};	2264	return 1e99 if $self->{deny_reset};
1507		2265
1508	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2266	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1509	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2267	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1510		2268
…		…
1515	my ($self) = @_;	2273	my ($self) = @_;
1516		2274
1517	$self->reset_at <= $cf::RUNTIME	2275	$self->reset_at <= $cf::RUNTIME
1518	}	2276	}
1519		2277
1520	sub rename {
1521	my ($self, $new_path) = @_;
1522
1523	normalise $new_path;
1524
1525	$self->unlink_save;
1526
1527	delete $cf::MAP{$self->path};
1528	$self->{path} = $new_path; $self->path ($self->{path});
1529	$cf::MAP{$self->path} = $self;
1530
1531	$self->save;
1532	}
1533
1534	sub reset {	2278	sub reset {
1535	my ($self) = @_;	2279	my ($self) = @_;
1536		2280
1537	my $lock = cf::lock_acquire "map_data:$self->{path}";	2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
1538		2282
1539	return if $self->players;	2283	return if $self->players;
1540	return if $self->isa ("ext::map_per_player");#d#
1541		2284
1542	warn "resetting map ", $self->path;#d#	2285	warn "resetting map ", $self->path;
		2286
		2287	$self->in_memory (cf::MAP_SWAPPED);
		2288
		2289	# need to save uniques path
		2290	unless ($self->{deny_save}) {
		2291	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2292
		2293	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2294	if $uniq;
		2295	}
1543		2296
1544	delete $cf::MAP{$self->path};	2297	delete $cf::MAP{$self->path};
1545		2298
1546	$self->in_memory (cf::MAP_SWAPPED);	2299	$self->deactivate;
		2300	$_->clear_links_to ($self) for values %cf::MAP;
1547	$self->clear;	2301	$self->clear;
1548
1549	$_->clear_links_to ($self) for values %cf::MAP;
1550		2302
1551	$self->unlink_save;	2303	$self->unlink_save;
1552	$self->destroy;	2304	$self->destroy;
1553	}	2305	}
1554		2306
1555	my $nuke_counter = "aaaa";	2307	my $nuke_counter = "aaaa";
1556		2308
1557	sub nuke {	2309	sub nuke {
1558	my ($self) = @_;	2310	my ($self) = @_;
1559		2311
		2312	{
		2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2314
		2315	delete $cf::MAP{$self->path};
		2316
		2317	$self->unlink_save;
		2318
		2319	bless $self, "cf::map";
		2320	delete $self->{deny_reset};
1560	$self->{deny_save} = 1;	2321	$self->{deny_save} = 1;
1561	$self->reset_timeout (1);	2322	$self->reset_timeout (1);
1562	$self->rename ("{nuke}/" . ($nuke_counter++));	2323	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2324
		2325	$cf::MAP{$self->path} = $self;
		2326	}
		2327
1563	$self->reset; # polite request, might not happen	2328	$self->reset; # polite request, might not happen
		2329	}
		2330
		2331	=item $maps = cf::map::tmp_maps
		2332
		2333	Returns an arrayref with all map paths of currently instantiated and saved
		2334	maps. May block.
		2335
		2336	=cut
		2337
		2338	sub tmp_maps() {
		2339	[
		2340	map {
		2341	utf8::decode $_;
		2342	/\.map$/
		2343	? normalise $_
		2344	: ()
		2345	} @{ aio_readdir $TMPDIR or [] }
		2346	]
		2347	}
		2348
		2349	=item $maps = cf::map::random_maps
		2350
		2351	Returns an arrayref with all map paths of currently instantiated and saved
		2352	random maps. May block.
		2353
		2354	=cut
		2355
		2356	sub random_maps() {
		2357	[
		2358	map {
		2359	utf8::decode $_;
		2360	/\.map$/
		2361	? normalise "?random/$_"
		2362	: ()
		2363	} @{ aio_readdir $RANDOMDIR or [] }
		2364	]
1564	}	2365	}
1565		2366
1566	=item cf::map::unique_maps	2367	=item cf::map::unique_maps
1567		2368
1568	Returns an arrayref of paths of all shared maps that have	2369	Returns an arrayref of paths of all shared maps that have
1569	instantiated unique items. May block.	2370	instantiated unique items. May block.
1570		2371
1571	=cut	2372	=cut
1572		2373
1573	sub unique_maps() {	2374	sub unique_maps() {
1574	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2375	[
1575	or return;	2376	map {
1576
1577	my @paths;
1578
1579	for (@$files) {
1580	utf8::decode $_;	2377	utf8::decode $_;
1581	next if /\.pst$/;
1582	next unless /^$PATH_SEP/o;
1583
1584	s/\.map$//;	2378	/\.map$/
1585	push @paths, $_;	2379	? normalise $_
		2380	: ()
		2381	} @{ aio_readdir $UNIQUEDIR or [] }
1586	}	2382	]
1587
1588	\@paths
1589	}	2383	}
1590
1591	package cf;
1592		2384
1593	=back	2385	=back
1594		2386
1595	=head3 cf::object	2387	=head3 cf::object
1596		2388
…		…
1611	map { $_, inv_recursive_ $_->inv } @_	2403	map { $_, inv_recursive_ $_->inv } @_
1612	}	2404	}
1613		2405
1614	sub inv_recursive {	2406	sub inv_recursive {
1615	inv_recursive_ inv $_[0]	2407	inv_recursive_ inv $_[0]
		2408	}
		2409
		2410	=item $ref = $ob->ref
		2411
		2412	creates and returns a persistent reference to an objetc that can be stored as a string.
		2413
		2414	=item $ob = cf::object::deref ($refstring)
		2415
		2416	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2417	even if the object actually exists. May block.
		2418
		2419	=cut
		2420
		2421	sub deref {
		2422	my ($ref) = @_;
		2423
		2424	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2425	my ($uuid, $name) = ($1, $2);
		2426	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2427	or return;
		2428	$pl->ob->uuid eq $uuid
		2429	or return;
		2430
		2431	$pl->ob
		2432	} else {
		2433	warn "$ref: cannot resolve object reference\n";
		2434	undef
		2435	}
1616	}	2436	}
1617		2437
1618	package cf;	2438	package cf;
1619		2439
1620	=back	2440	=back
…		…
1639		2459
1640	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2460	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1641		2461
1642	if ($self->{record_replies}) {	2462	if ($self->{record_replies}) {
1643	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2463	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2464
1644	} else {	2465	} else {
		2466	my $pl = $self->contr;
		2467
		2468	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2469	my $dialog = $pl->{npc_dialog};
		2470	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2471
		2472	} else {
1645	$msg = $npc->name . " says: $msg" if $npc;	2473	$msg = $npc->name . " says: $msg" if $npc;
1646	$self->message ($msg, $flags);	2474	$self->message ($msg, $flags);
		2475	}
1647	}	2476	}
		2477	}
		2478
		2479	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2480
		2481	=cut
		2482
		2483	sub cf::object::send_msg {
		2484	my $pl = shift->contr
		2485	or return;
		2486	$pl->send_msg (@_);
1648	}	2487	}
1649		2488
1650	=item $player_object->may ("access")	2489	=item $player_object->may ("access")
1651		2490
1652	Returns wether the given player is authorized to access resource "access"	2491	Returns wether the given player is authorized to access resource "access"
…		…
1684	=cut	2523	=cut
1685		2524
1686	sub link_map {	2525	sub link_map {
1687	unless ($LINK_MAP) {	2526	unless ($LINK_MAP) {
1688	$LINK_MAP = cf::map::find "{link}"	2527	$LINK_MAP = cf::map::find "{link}"
1689	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2528	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1690	$LINK_MAP->load;	2529	$LINK_MAP->load;
1691	}	2530	}
1692		2531
1693	$LINK_MAP	2532	$LINK_MAP
1694	}	2533	}
…		…
1699	$self->deactivate_recursive;	2538	$self->deactivate_recursive;
1700		2539
1701	return if UNIVERSAL::isa $self->map, "ext::map_link";	2540	return if UNIVERSAL::isa $self->map, "ext::map_link";
1702		2541
1703	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2542	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1704	if $self->map;	2543	if $self->map && $self->map->{path} ne "{link}";
1705		2544
1706	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2545	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1707	}	2546	}
1708		2547
1709	sub cf::object::player::leave_link {	2548	sub cf::object::player::leave_link {
1710	my ($self, $map, $x, $y) = @_;	2549	my ($self, $map, $x, $y) = @_;
		2550
		2551	return unless $self->contr->active;
1711		2552
1712	my $link_pos = delete $self->{_link_pos};	2553	my $link_pos = delete $self->{_link_pos};
1713		2554
1714	unless ($map) {	2555	unless ($map) {
1715	# restore original map position	2556	# restore original map position
…		…
1729	# use -1 or undef as default coordinates, not 0, 0	2570	# use -1 or undef as default coordinates, not 0, 0
1730	($x, $y) = ($map->enter_x, $map->enter_y)	2571	($x, $y) = ($map->enter_x, $map->enter_y)
1731	if $x <=0 && $y <= 0;	2572	if $x <=0 && $y <= 0;
1732		2573
1733	$map->load;	2574	$map->load;
1734	$map->load_diag;	2575	$map->load_neighbours;
1735		2576
1736	return unless $self->contr->active;	2577	return unless $self->contr->active;
1737	$self->activate_recursive;	2578	$self->activate_recursive;
		2579
		2580	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1738	$self->enter_map ($map, $x, $y);	2581	$self->enter_map ($map, $x, $y);
1739	}	2582	}
1740		2583
1741	cf::player->attach (	2584	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1742	on_logout => sub {
1743	my ($pl) = @_;
1744		2585
1745	# abort map switching before logout	2586	Moves the player to the given map-path and coordinates by first freezing
1746	if ($pl->ob->{_link_pos}) {	2587	her, loading and preparing them map, calling the provided $check callback
1747	cf::sync_job {	2588	that has to return the map if sucecssful, and then unfreezes the player on
1748	$pl->ob->leave_link	2589	the new (success) or old (failed) map position. In either case, $done will
1749	};	2590	be called at the end of this process.
1750	}
1751	},
1752	on_login => sub {
1753	my ($pl) = @_;
1754		2591
1755	# try to abort aborted map switching on player login :)
1756	# should happen only on crashes
1757	if ($pl->ob->{_link_pos}) {
1758	$pl->ob->enter_link;
1759	(async {
1760	# we need this sleep as the login has a concurrent enter_exit running
1761	# and this sleep increases chances of the player not ending up in scorn
1762	$pl->ob->reply (undef,
1763	"There was an internal problem at your last logout, "
1764	. "the server will try to bring you to your intended destination in a second.",
1765	cf::NDI_RED);
1766	Coro::Timer::sleep 1;
1767	$pl->ob->leave_link;
1768	})->prio (2);
1769	}
1770	},
1771	);
1772
1773	=item $player_object->goto ($path, $x, $y)
1774
1775	=cut	2592	=cut
		2593
		2594	our $GOTOGEN;
1776		2595
1777	sub cf::object::player::goto {	2596	sub cf::object::player::goto {
1778	my ($self, $path, $x, $y) = @_;	2597	my ($self, $path, $x, $y, $check, $done) = @_;
		2598
		2599	# do generation counting so two concurrent goto's will be executed in-order
		2600	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1779		2601
1780	$self->enter_link;	2602	$self->enter_link;
1781		2603
1782	(async {	2604	(async {
1783	my $map = cf::map::find $path;	2605	$Coro::current->{desc} = "player::goto $path $x $y";
		2606
		2607	# *tag paths override both path and x|y
		2608	if ($path =~ /^\*(.*)$/) {
		2609	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2610	my $ob = $obs[rand @obs];
		2611
		2612	# see if we actually can go there
		2613	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2614	$ob = $obs[rand @obs];
		2615	} else {
		2616	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2617	}
		2618	# else put us there anyways for now #d#
		2619
		2620	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2621	} else {
		2622	($path, $x, $y) = (undef, undef, undef);
		2623	}
		2624	}
		2625
		2626	my $map = eval {
		2627	my $map = defined $path ? cf::map::find $path : undef;
		2628
		2629	if ($map) {
1784	$map = $map->customise_for ($self) if $map;	2630	$map = $map->customise_for ($self);
1785		2631	$map = $check->($map) if $check && $map;
1786	# warn "entering ", $map->path, " at ($x, $y)\n"	2632	} else {
1787	# if $map;
1788
1789	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2633	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2634	}
1790		2635
		2636	$map
		2637	};
		2638
		2639	if ($@) {
		2640	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2641	LOG llevError | logBacktrace, Carp::longmess $@;
		2642	}
		2643
		2644	if ($gen == $self->{_goto_generation}) {
		2645	delete $self->{_goto_generation};
1791	$self->leave_link ($map, $x, $y);	2646	$self->leave_link ($map, $x, $y);
		2647	}
		2648
		2649	$done->() if $done;
1792	})->prio (1);	2650	})->prio (1);
1793	}	2651	}
1794		2652
1795	=item $player_object->enter_exit ($exit_object)	2653	=item $player_object->enter_exit ($exit_object)
1796		2654
…		…
1798		2656
1799	sub parse_random_map_params {	2657	sub parse_random_map_params {
1800	my ($spec) = @_;	2658	my ($spec) = @_;
1801		2659
1802	my $rmp = { # defaults	2660	my $rmp = { # defaults
1803	xsize => 10,	2661	xsize => (cf::rndm 15, 40),
1804	ysize => 10,	2662	ysize => (cf::rndm 15, 40),
		2663	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2664	#layout => string,
1805	};	2665	};
1806		2666
1807	for (split /\n/, $spec) {	2667	for (split /\n/, $spec) {
1808	my ($k, $v) = split /\s+/, $_, 2;	2668	my ($k, $v) = split /\s+/, $_, 2;
1809		2669
…		…
1813	$rmp	2673	$rmp
1814	}	2674	}
1815		2675
1816	sub prepare_random_map {	2676	sub prepare_random_map {
1817	my ($exit) = @_;	2677	my ($exit) = @_;
		2678
		2679	my $guard = cf::lock_acquire "exit_prepare:$exit";
1818		2680
1819	# all this does is basically replace the /! path by	2681	# all this does is basically replace the /! path by
1820	# a new random map path (?random/...) with a seed	2682	# a new random map path (?random/...) with a seed
1821	# that depends on the exit object	2683	# that depends on the exit object
1822		2684
1823	my $rmp = parse_random_map_params $exit->msg;	2685	my $rmp = parse_random_map_params $exit->msg;
1824		2686
1825	if ($exit->map) {	2687	if ($exit->map) {
1826	$rmp->{region} = $exit->map->region_name;	2688	$rmp->{region} = $exit->region->name;
1827	$rmp->{origin_map} = $exit->map->path;	2689	$rmp->{origin_map} = $exit->map->path;
1828	$rmp->{origin_x} = $exit->x;	2690	$rmp->{origin_x} = $exit->x;
1829	$rmp->{origin_y} = $exit->y;	2691	$rmp->{origin_y} = $exit->y;
1830	}	2692	}
1831		2693
1832	$rmp->{random_seed} ||= $exit->random_seed;	2694	$rmp->{random_seed} ||= $exit->random_seed;
1833		2695
1834	my $data = cf::to_json $rmp;	2696	my $data = cf::encode_json $rmp;
1835	my $md5 = Digest::MD5::md5_hex $data;	2697	my $md5 = Digest::MD5::md5_hex $data;
		2698	my $meta = "$RANDOMDIR/$md5.meta";
1836		2699
1837	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2700	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1838	aio_write $fh, 0, (length $data), $data, 0;	2701	aio_write $fh, 0, (length $data), $data, 0;
		2702	undef $fh;
		2703	aio_rename "$meta~", $meta;
1839		2704
1840	$exit->slaying ("?random/$md5");	2705	$exit->slaying ("?random/$md5");
1841	$exit->msg (undef);	2706	$exit->msg (undef);
1842	}	2707	}
1843	}	2708	}
…		…
1845	sub cf::object::player::enter_exit {	2710	sub cf::object::player::enter_exit {
1846	my ($self, $exit) = @_;	2711	my ($self, $exit) = @_;
1847		2712
1848	return unless $self->type == cf::PLAYER;	2713	return unless $self->type == cf::PLAYER;
1849		2714
		2715	if ($exit->slaying eq "/!") {
		2716	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2717	# the problem is that $exit might not survive long enough
		2718	# so it needs to be done right now, right here
		2719	cf::sync_job { prepare_random_map $exit };
		2720	}
		2721
		2722	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2723	my $hp = $exit->stats->hp;
		2724	my $sp = $exit->stats->sp;
		2725
1850	$self->enter_link;	2726	$self->enter_link;
1851		2727
		2728	# if exit is damned, update players death & WoR home-position
		2729	$self->contr->savebed ($slaying, $hp, $sp)
		2730	if $exit->flag (FLAG_DAMNED);
		2731
1852	(async {	2732	(async {
		2733	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2734
1853	$self->deactivate_recursive; # just to be sure	2735	$self->deactivate_recursive; # just to be sure
1854	unless (eval {	2736	unless (eval {
1855	prepare_random_map $exit	2737	$self->goto ($slaying, $hp, $sp);
1856	if $exit->slaying eq "/!";
1857
1858	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1859	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1860		2738
1861	1;	2739	1;
1862	}) {	2740	}) {
1863	$self->message ("Something went wrong deep within the crossfire server. "	2741	$self->message ("Something went wrong deep within the crossfire server. "
1864	. "I'll try to bring you back to the map you were before. "	2742	. "I'll try to bring you back to the map you were before. "
1865	. "Please report this to the dungeon master!",	2743	. "Please report this to the dungeon master!",
1866	cf::NDI_UNIQUE | cf::NDI_RED);	2744	cf::NDI_UNIQUE | cf::NDI_RED);
1867		2745
1868	warn "ERROR in enter_exit: $@";	2746	warn "ERROR in enter_exit: $@";
1869	$self->leave_link;	2747	$self->leave_link;
1870	}	2748	}
1871	})->prio (1);	2749	})->prio (1);
…		…
1884		2762
1885	sub cf::client::send_drawinfo {	2763	sub cf::client::send_drawinfo {
1886	my ($self, $text, $flags) = @_;	2764	my ($self, $text, $flags) = @_;
1887		2765
1888	utf8::encode $text;	2766	utf8::encode $text;
1889	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2767	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1890	}	2768	}
1891		2769
		2770	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2771
		2772	Send a drawinfo or msg packet to the client, formatting the msg for the
		2773	client if neccessary. C<$type> should be a string identifying the type of
		2774	the message, with C<log> being the default. If C<$color> is negative, suppress
		2775	the message unless the client supports the msg packet.
		2776
		2777	=cut
		2778
		2779	# non-persistent channels (usually the info channel)
		2780	our %CHANNEL = (
		2781	"c/identify" => {
		2782	id => "infobox",
		2783	title => "Identify",
		2784	reply => undef,
		2785	tooltip => "Items recently identified",
		2786	},
		2787	"c/examine" => {
		2788	id => "infobox",
		2789	title => "Examine",
		2790	reply => undef,
		2791	tooltip => "Signs and other items you examined",
		2792	},
		2793	"c/book" => {
		2794	id => "infobox",
		2795	title => "Book",
		2796	reply => undef,
		2797	tooltip => "The contents of a note or book",
		2798	},
		2799	"c/lookat" => {
		2800	id => "infobox",
		2801	title => "Look",
		2802	reply => undef,
		2803	tooltip => "What you saw there",
		2804	},
		2805	"c/who" => {
		2806	id => "infobox",
		2807	title => "Players",
		2808	reply => undef,
		2809	tooltip => "Shows players who are currently online",
		2810	},
		2811	"c/body" => {
		2812	id => "infobox",
		2813	title => "Body Parts",
		2814	reply => undef,
		2815	tooltip => "Shows which body parts you posess and are available",
		2816	},
		2817	"c/uptime" => {
		2818	id => "infobox",
		2819	title => "Uptime",
		2820	reply => undef,
		2821	tooltip => "How long the server has been running since last restart",
		2822	},
		2823	"c/mapinfo" => {
		2824	id => "infobox",
		2825	title => "Map Info",
		2826	reply => undef,
		2827	tooltip => "Information related to the maps",
		2828	},
		2829	);
		2830
		2831	sub cf::client::send_msg {
		2832	my ($self, $channel, $msg, $color, @extra) = @_;
		2833
		2834	$msg = $self->pl->expand_cfpod ($msg);
		2835
		2836	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2837
		2838	# check predefined channels, for the benefit of C
		2839	if ($CHANNEL{$channel}) {
		2840	$channel = $CHANNEL{$channel};
		2841
		2842	$self->ext_msg (channel_info => $channel)
		2843	if $self->can_msg;
		2844
		2845	$channel = $channel->{id};
		2846
		2847	} elsif (ref $channel) {
		2848	# send meta info to client, if not yet sent
		2849	unless (exists $self->{channel}{$channel->{id}}) {
		2850	$self->{channel}{$channel->{id}} = $channel;
		2851	$self->ext_msg (channel_info => $channel)
		2852	if $self->can_msg;
		2853	}
		2854
		2855	$channel = $channel->{id};
		2856	}
		2857
		2858	return unless @extra || length $msg;
		2859
		2860	if ($self->can_msg) {
		2861	# default colour, mask it out
		2862	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2863	if $color & cf::NDI_DEF;
		2864
		2865	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2866	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2867	} else {
		2868	if ($color >= 0) {
		2869	# replace some tags by gcfclient-compatible ones
		2870	for ($msg) {
		2871	1 while
		2872	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2873	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2874	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2875	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2876	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2877	}
		2878
		2879	$color &= cf::NDI_COLOR_MASK;
		2880
		2881	utf8::encode $msg;
		2882
		2883	if (0 && $msg =~ /\[/) {
		2884	# COMMAND/INFO
		2885	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2886	} else {
		2887	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2888	$self->send_packet ("drawinfo $color $msg")
		2889	}
		2890	}
		2891	}
		2892	}
		2893
		2894	=item $client->ext_msg ($type, @msg)
		2895
		2896	Sends an ext event to the client.
		2897
		2898	=cut
		2899
		2900	sub cf::client::ext_msg($$@) {
		2901	my ($self, $type, @msg) = @_;
		2902
		2903	if ($self->extcmd == 2) {
		2904	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2905	} elsif ($self->extcmd == 1) { # TODO: remove
		2906	push @msg, msgtype => "event_$type";
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2908	}
		2909	}
		2910
		2911	=item $client->ext_reply ($msgid, @msg)
		2912
		2913	Sends an ext reply to the client.
		2914
		2915	=cut
		2916
		2917	sub cf::client::ext_reply($$@) {
		2918	my ($self, $id, @msg) = @_;
		2919
		2920	if ($self->extcmd == 2) {
		2921	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2922	} elsif ($self->extcmd == 1) {
		2923	#TODO: version 1, remove
		2924	unshift @msg, msgtype => "reply", msgid => $id;
		2925	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2926	}
		2927	}
1892		2928
1893	=item $success = $client->query ($flags, "text", \&cb)	2929	=item $success = $client->query ($flags, "text", \&cb)
1894		2930
1895	Queues a query to the client, calling the given callback with	2931	Queues a query to the client, calling the given callback with
1896	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2932	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1897	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2933	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1898		2934
1899	Queries can fail, so check the return code. Or don't, as queries will become	2935	Queries can fail, so check the return code. Or don't, as queries will
1900	reliable at some point in the future.	2936	become reliable at some point in the future.
1901		2937
1902	=cut	2938	=cut
1903		2939
1904	sub cf::client::query {	2940	sub cf::client::query {
1905	my ($self, $flags, $text, $cb) = @_;	2941	my ($self, $flags, $text, $cb) = @_;
…		…
1913	utf8::encode $text;	2949	utf8::encode $text;
1914	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2950	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1915		2951
1916	$self->send_packet ($self->{query_queue}[0][0])	2952	$self->send_packet ($self->{query_queue}[0][0])
1917	if @{ $self->{query_queue} } == 1;	2953	if @{ $self->{query_queue} } == 1;
		2954
		2955	1
1918	}	2956	}
1919		2957
1920	cf::client->attach (	2958	cf::client->attach (
		2959	on_connect => sub {
		2960	my ($ns) = @_;
		2961
		2962	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2963	},
1921	on_reply => sub {	2964	on_reply => sub {
1922	my ($ns, $msg) = @_;	2965	my ($ns, $msg) = @_;
1923		2966
1924	# this weird shuffling is so that direct followup queries	2967	# this weird shuffling is so that direct followup queries
1925	# get handled first	2968	# get handled first
1926	my $queue = delete $ns->{query_queue}	2969	my $queue = delete $ns->{query_queue}
1927	or return; # be conservative, not sure how that can happen, but we saw a crash here	2970	or return; # be conservative, not sure how that can happen, but we saw a crash here
1928		2971
1929	(shift @$queue)->[1]->($msg);	2972	(shift @$queue)->[1]->($msg);
		2973	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1930		2974
1931	push @{ $ns->{query_queue} }, @$queue;	2975	push @{ $ns->{query_queue} }, @$queue;
1932		2976
1933	if (@{ $ns->{query_queue} } == @$queue) {	2977	if (@{ $ns->{query_queue} } == @$queue) {
1934	if (@$queue) {	2978	if (@$queue) {
…		…
1936	} else {	2980	} else {
1937	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2981	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1938	}	2982	}
1939	}	2983	}
1940	},	2984	},
		2985	on_exticmd => sub {
		2986	my ($ns, $buf) = @_;
		2987
		2988	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2989
		2990	if (ref $msg) {
		2991	my ($type, $reply, @payload) =
		2992	"ARRAY" eq ref $msg
		2993	? @$msg
		2994	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2995
		2996	my @reply;
		2997
		2998	if (my $cb = $EXTICMD{$type}) {
		2999	@reply = $cb->($ns, @payload);
		3000	}
		3001
		3002	$ns->ext_reply ($reply, @reply)
		3003	if $reply;
		3004
		3005	} else {
		3006	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3007	}
		3008
		3009	cf::override;
		3010	},
1941	);	3011	);
1942		3012
1943	=item $client->async (\&cb)	3013	=item $client->async (\&cb)
1944		3014
1945	Create a new coroutine, running the specified callback. The coroutine will	3015	Create a new coroutine, running the specified callback. The coroutine will
…		…
1986	our $safe = new Safe "safe";	3056	our $safe = new Safe "safe";
1987	our $safe_hole = new Safe::Hole;	3057	our $safe_hole = new Safe::Hole;
1988		3058
1989	$SIG{FPE} = 'IGNORE';	3059	$SIG{FPE} = 'IGNORE';
1990		3060
1991	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3061	$safe->permit_only (Opcode::opset qw(
		3062	:base_core :base_mem :base_orig :base_math
		3063	grepstart grepwhile mapstart mapwhile
		3064	sort time
		3065	));
1992		3066
1993	# here we export the classes and methods available to script code	3067	# here we export the classes and methods available to script code
1994		3068
1995	=pod	3069	=pod
1996		3070
1997	The following fucntions and emthods are available within a safe environment:	3071	The following functions and methods are available within a safe environment:
1998		3072
1999	cf::object contr pay_amount pay_player map	3073	cf::object
		3074	contr pay_amount pay_player map x y force_find force_add destroy
		3075	insert remove name archname title slaying race decrease_ob_nr
		3076
2000	cf::object::player player	3077	cf::object::player
2001	cf::player peaceful	3078	player
2002	cf::map trigger	3079
		3080	cf::player
		3081	peaceful
		3082
		3083	cf::map
		3084	trigger
2003		3085
2004	=cut	3086	=cut
2005		3087
2006	for (	3088	for (
2007	["cf::object" => qw(contr pay_amount pay_player map)],	3089	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3090	insert remove inv name archname title slaying race
		3091	decrease_ob_nr destroy)],
2008	["cf::object::player" => qw(player)],	3092	["cf::object::player" => qw(player)],
2009	["cf::player" => qw(peaceful)],	3093	["cf::player" => qw(peaceful)],
2010	["cf::map" => qw(trigger)],	3094	["cf::map" => qw(trigger)],
2011	) {	3095	) {
2012	no strict 'refs';	3096	no strict 'refs';
…		…
2083	=back	3167	=back
2084		3168
2085	=cut	3169	=cut
2086		3170
2087	#############################################################################	3171	#############################################################################
		3172	# the server's init and main functions
2088		3173
2089	=head2 EXTENSION DATABASE SUPPORT	3174	sub load_facedata($) {
		3175	my ($path) = @_;
2090		3176
2091	Crossfire maintains a very simple database for extension use. It can	3177	# HACK to clear player env face cache, we need some signal framework
2092	currently store anything that can be serialised using Storable, which	3178	# for this (global event?)
2093	excludes objects.	3179	%ext::player_env::MUSIC_FACE_CACHE = ();
2094		3180
2095	The parameter C<$family> should best start with the name of the extension	3181	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2096	using it, it should be unique.
2097		3182
2098	=over 4	3183	warn "loading facedata from $path\n";
2099		3184
2100	=item $hashref = cf::db_get $family	3185	my $facedata;
		3186	0 < aio_load $path, $facedata
		3187	or die "$path: $!";
2101		3188
2102	Return a hashref for use by the extension C<$family>, which can be	3189	$facedata = Coro::Storable::thaw $facedata;
2103	modified. After modifications, you have to call C<cf::db_dirty> or
2104	C<cf::db_sync>.
2105		3190
2106	=item $value = cf::db_get $family => $key	3191	$facedata->{version} == 2
		3192	or cf::cleanup "$path: version mismatch, cannot proceed.";
2107		3193
2108	Returns a single value from the database	3194	# patch in the exptable
2109		3195	$facedata->{resource}{"res/exp_table"} = {
2110	=item cf::db_put $family => $hashref	3196	type => FT_RSRC,
2111		3197	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2112	Stores the given family hashref into the database. Updates are delayed, if
2113	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2114
2115	=item cf::db_put $family => $key => $value
2116
2117	Stores the given C<$value> in the family hash. Updates are delayed, if you
2118	want the data to be synced to disk immediately, use C<cf::db_sync>.
2119
2120	=item cf::db_dirty
2121
2122	Marks the database as dirty, to be updated at a later time.
2123
2124	=item cf::db_sync
2125
2126	Immediately write the database to disk I<if it is dirty>.
2127
2128	=cut
2129
2130	our $DB;
2131
2132	{
2133	my $path = cf::localdir . "/database.pst";
2134
2135	sub db_load() {
2136	$DB = stat $path ? Storable::retrieve $path : { };
2137	}
2138
2139	my $pid;
2140
2141	sub db_save() {
2142	waitpid $pid, 0 if $pid;
2143	if (0 == ($pid = fork)) {
2144	$DB->{_meta}{version} = 1;
2145	Storable::nstore $DB, "$path~";
2146	rename "$path~", $path;
2147	cf::_exit 0 if defined $pid;
2148	}
2149	}
2150
2151	my $dirty;
2152
2153	sub db_sync() {
2154	db_save if $dirty;
2155	undef $dirty;
2156	}
2157
2158	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2159	db_sync;
2160	});	3198	};
		3199	cf::cede_to_tick;
2161		3200
2162	sub db_dirty() {
2163	$dirty = 1;
2164	$idle->start;
2165	}	3201	{
		3202	my $faces = $facedata->{faceinfo};
2166		3203
2167	sub db_get($;$) {	3204	while (my ($face, $info) = each %$faces) {
2168	@_ >= 2	3205	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2169	? $DB->{$_[0]}{$_[1]}
2170	: ($DB->{$_[0]} ||= { })
2171	}
2172		3206
2173	sub db_put($$;$) {	3207	cf::face::set_visibility $idx, $info->{visibility};
2174	if (@_ >= 3) {	3208	cf::face::set_magicmap $idx, $info->{magicmap};
2175	$DB->{$_[0]}{$_[1]} = $_[2];	3209	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2176	} else {	3210	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2177	$DB->{$_[0]} = $_[1];
2178	}
2179	db_dirty;
2180	}
2181		3211
2182	cf::global->attach (	3212	cf::cede_to_tick;
2183	prio => 10000,
2184	on_cleanup => sub {
2185	db_sync;
2186	},	3213	}
2187	);
2188	}
2189		3214
2190	#############################################################################	3215	while (my ($face, $info) = each %$faces) {
2191	# the server's main()	3216	next unless $info->{smooth};
2192		3217
2193	sub cfg_load {	3218	my $idx = cf::face::find $face
		3219	or next;
		3220
		3221	if (my $smooth = cf::face::find $info->{smooth}) {
		3222	cf::face::set_smooth $idx, $smooth;
		3223	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3224	} else {
		3225	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3226	}
		3227
		3228	cf::cede_to_tick;
		3229	}
		3230	}
		3231
		3232	{
		3233	my $anims = $facedata->{animinfo};
		3234
		3235	while (my ($anim, $info) = each %$anims) {
		3236	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3237	cf::cede_to_tick;
		3238	}
		3239
		3240	cf::anim::invalidate_all; # d'oh
		3241	}
		3242
		3243	{
		3244	# TODO: for gcfclient pleasure, we should give resources
		3245	# that gcfclient doesn't grok a >10000 face index.
		3246	my $res = $facedata->{resource};
		3247
		3248	while (my ($name, $info) = each %$res) {
		3249	if (defined $info->{type}) {
		3250	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3251	my $data;
		3252
		3253	if ($info->{type} & 1) {
		3254	# prepend meta info
		3255
		3256	my $meta = $enc->encode ({
		3257	name => $name,
		3258	%{ $info->{meta} || {} },
		3259	});
		3260
		3261	$data = pack "(w/a*)*", $meta, $info->{data};
		3262	} else {
		3263	$data = $info->{data};
		3264	}
		3265
		3266	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3267	cf::face::set_type $idx, $info->{type};
		3268	} else {
		3269	$RESOURCE{$name} = $info;
		3270	}
		3271
		3272	cf::cede_to_tick;
		3273	}
		3274	}
		3275
		3276	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3277
		3278	1
		3279	}
		3280
		3281	cf::global->attach (on_resource_update => sub {
		3282	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3283	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3284
		3285	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3286	my $sound = $soundconf->{compat}[$_]
		3287	or next;
		3288
		3289	my $face = cf::face::find "sound/$sound->[1]";
		3290	cf::sound::set $sound->[0] => $face;
		3291	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3292	}
		3293
		3294	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3295	my $face = cf::face::find "sound/$v";
		3296	cf::sound::set $k => $face;
		3297	}
		3298	}
		3299	});
		3300
		3301	register_exticmd fx_want => sub {
		3302	my ($ns, $want) = @_;
		3303
		3304	while (my ($k, $v) = each %$want) {
		3305	$ns->fx_want ($k, $v);
		3306	}
		3307	};
		3308
		3309	sub reload_regions {
		3310	# HACK to clear player env face cache, we need some signal framework
		3311	# for this (global event?)
		3312	%ext::player_env::MUSIC_FACE_CACHE = ();
		3313
		3314	load_resource_file "$MAPDIR/regions"
		3315	or die "unable to load regions file\n";
		3316
		3317	for (cf::region::list) {
		3318	$_->{match} = qr/$_->{match}/
		3319	if exists $_->{match};
		3320	}
		3321	}
		3322
		3323	sub reload_facedata {
		3324	load_facedata "$DATADIR/facedata"
		3325	or die "unable to load facedata\n";
		3326	}
		3327
		3328	sub reload_archetypes {
		3329	load_resource_file "$DATADIR/archetypes"
		3330	or die "unable to load archetypes\n";
		3331	#d# NEED to laod twice to resolve forward references
		3332	# this really needs to be done in an extra post-pass
		3333	# (which needs to be synchronous, so solve it differently)
		3334	load_resource_file "$DATADIR/archetypes"
		3335	or die "unable to load archetypes\n";
		3336	}
		3337
		3338	sub reload_treasures {
		3339	load_resource_file "$DATADIR/treasures"
		3340	or die "unable to load treasurelists\n";
		3341	}
		3342
		3343	sub reload_resources {
		3344	warn "reloading resource files...\n";
		3345
		3346	reload_regions;
		3347	reload_facedata;
		3348	#reload_archetypes;#d#
		3349	reload_archetypes;
		3350	reload_treasures;
		3351
		3352	warn "finished reloading resource files\n";
		3353	}
		3354
		3355	sub init {
		3356	reload_resources;
		3357	}
		3358
		3359	sub reload_config {
2194	open my $fh, "<:utf8", cf::confdir . "/config"	3360	open my $fh, "<:utf8", "$CONFDIR/config"
2195	or return;	3361	or return;
2196		3362
2197	local $/;	3363	local $/;
2198	*CFG = YAML::Syck::Load <$fh>;	3364	*CFG = YAML::Load <$fh>;
2199		3365
2200	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3366	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2201		3367
2202	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3368	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2203	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3369	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2213		3379
2214	sub main {	3380	sub main {
2215	# we must not ever block the main coroutine	3381	# we must not ever block the main coroutine
2216	local $Coro::idle = sub {	3382	local $Coro::idle = sub {
2217	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3383	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2218	async { Event::one_event };	3384	(async {
		3385	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3386	EV::loop EV::LOOP_ONESHOT;
		3387	})->prio (Coro::PRIO_MAX);
2219	};	3388	};
2220		3389
2221	cfg_load;	3390	reload_config;
2222	db_load;	3391	db_init;
2223	load_extensions;	3392	load_extensions;
		3393
		3394	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3395	evthread_start IO::AIO::poll_fileno;
2224	Event::loop;	3396	EV::loop;
2225	}	3397	}
2226		3398
2227	#############################################################################	3399	#############################################################################
2228	# initialisation and cleanup	3400	# initialisation and cleanup
2229		3401
2230	# install some emergency cleanup handlers	3402	# install some emergency cleanup handlers
2231	BEGIN {	3403	BEGIN {
		3404	our %SIGWATCHER = ();
2232	for my $signal (qw(INT HUP TERM)) {	3405	for my $signal (qw(INT HUP TERM)) {
2233	Event->signal (	3406	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2234	data => WF_AUTOCANCEL,
2235	signal => $signal,
2236	cb => sub {
2237	cf::cleanup "SIG$signal";	3407	cf::cleanup "SIG$signal";
2238	},
2239	);	3408	};
		3409	}
		3410	}
		3411
		3412	sub write_runtime_sync {
		3413	my $runtime = "$LOCALDIR/runtime";
		3414
		3415	# first touch the runtime file to show we are still running:
		3416	# the fsync below can take a very very long time.
		3417
		3418	IO::AIO::aio_utime $runtime, undef, undef;
		3419
		3420	my $guard = cf::lock_acquire "write_runtime";
		3421
		3422	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3423	or return;
		3424
		3425	my $value = $cf::RUNTIME + 90 + 10;
		3426	# 10 is the runtime save interval, for a monotonic clock
		3427	# 60 allows for the watchdog to kill the server.
		3428
		3429	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3430	and return;
		3431
		3432	# always fsync - this file is important
		3433	aio_fsync $fh
		3434	and return;
		3435
		3436	# touch it again to show we are up-to-date
		3437	aio_utime $fh, undef, undef;
		3438
		3439	close $fh
		3440	or return;
		3441
		3442	aio_rename "$runtime~", $runtime
		3443	and return;
		3444
		3445	warn "runtime file written.\n";
		3446
2240	}	3447	1
		3448	}
		3449
		3450	our $uuid_lock;
		3451	our $uuid_skip;
		3452
		3453	sub write_uuid_sync($) {
		3454	$uuid_skip ||= $_[0];
		3455
		3456	return if $uuid_lock;
		3457	local $uuid_lock = 1;
		3458
		3459	my $uuid = "$LOCALDIR/uuid";
		3460
		3461	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3462	or return;
		3463
		3464	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3465	$uuid_skip = 0;
		3466
		3467	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3468	and return;
		3469
		3470	# always fsync - this file is important
		3471	aio_fsync $fh
		3472	and return;
		3473
		3474	close $fh
		3475	or return;
		3476
		3477	aio_rename "$uuid~", $uuid
		3478	and return;
		3479
		3480	warn "uuid file written ($value).\n";
		3481
		3482	1
		3483
		3484	}
		3485
		3486	sub write_uuid($$) {
		3487	my ($skip, $sync) = @_;
		3488
		3489	$sync ? write_uuid_sync $skip
		3490	: async { write_uuid_sync $skip };
2241	}	3491	}
2242		3492
2243	sub emergency_save() {	3493	sub emergency_save() {
2244	my $freeze_guard = cf::freeze_mainloop;	3494	my $freeze_guard = cf::freeze_mainloop;
2245		3495
…		…
2251	# and maps saved/destroyed asynchronously.	3501	# and maps saved/destroyed asynchronously.
2252	warn "begin emergency player save\n";	3502	warn "begin emergency player save\n";
2253	for my $login (keys %cf::PLAYER) {	3503	for my $login (keys %cf::PLAYER) {
2254	my $pl = $cf::PLAYER{$login} or next;	3504	my $pl = $cf::PLAYER{$login} or next;
2255	$pl->valid or next;	3505	$pl->valid or next;
		3506	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2256	$pl->save;	3507	$pl->save;
2257	}	3508	}
2258	warn "end emergency player save\n";	3509	warn "end emergency player save\n";
2259		3510
2260	warn "begin emergency map save\n";	3511	warn "begin emergency map save\n";
…		…
2262	my $map = $cf::MAP{$path} or next;	3513	my $map = $cf::MAP{$path} or next;
2263	$map->valid or next;	3514	$map->valid or next;
2264	$map->save;	3515	$map->save;
2265	}	3516	}
2266	warn "end emergency map save\n";	3517	warn "end emergency map save\n";
		3518
		3519	warn "begin emergency database checkpoint\n";
		3520	BDB::db_env_txn_checkpoint $DB_ENV;
		3521	warn "end emergency database checkpoint\n";
		3522
		3523	warn "begin write uuid\n";
		3524	write_uuid_sync 1;
		3525	warn "end write uuid\n";
2267	};	3526	};
2268		3527
2269	warn "leave emergency perl save\n";	3528	warn "leave emergency perl save\n";
2270	}	3529	}
2271		3530
		3531	sub post_cleanup {
		3532	my ($make_core) = @_;
		3533
		3534	warn Carp::longmess "post_cleanup backtrace"
		3535	if $make_core;
		3536	}
		3537
2272	sub reload() {	3538	sub do_reload_perl() {
2273	# can/must only be called in main	3539	# can/must only be called in main
2274	if ($Coro::current != $Coro::main) {	3540	if ($Coro::current != $Coro::main) {
2275	warn "can only reload from main coroutine\n";	3541	warn "can only reload from main coroutine";
2276	return;	3542	return;
2277	}	3543	}
2278		3544
2279	warn "reloading...";	3545	warn "reloading...";
2280		3546
2281	warn "freezing server";	3547	warn "entering sync_job";
2282	my $guard = freeze_mainloop;	3548
		3549	cf::sync_job {
		3550	cf::write_runtime_sync; # external watchdog should not bark
2283	cf::emergency_save;	3551	cf::emergency_save;
		3552	cf::write_runtime_sync; # external watchdog should not bark
2284		3553
2285	warn "sync database to disk";	3554	warn "syncing database to disk";
2286	cf::db_sync;	3555	BDB::db_env_txn_checkpoint $DB_ENV;
2287	IO::AIO::flush;
2288		3556
2289	eval {
2290	# if anything goes wrong in here, we should simply crash as we already saved	3557	# if anything goes wrong in here, we should simply crash as we already saved
2291		3558
2292	warn "cancel all watchers";	3559	warn "flushing outstanding aio requests";
2293	for (Event::all_watchers) {	3560	for (;;) {
2294	$_->cancel if $_->data & WF_AUTOCANCEL;	3561	BDB::flush;
		3562	IO::AIO::flush;
		3563	Coro::cede_notself;
		3564	last unless IO::AIO::nreqs || BDB::nreqs;
		3565	warn "iterate...";
2295	}	3566	}
2296		3567
		3568	++$RELOAD;
		3569
2297	warn "cancel all extension coros";	3570	warn "cancelling all extension coros";
2298	$_->cancel for values %EXT_CORO;	3571	$_->cancel for values %EXT_CORO;
2299	%EXT_CORO = ();	3572	%EXT_CORO = ();
2300		3573
2301	warn "remove commands";	3574	warn "removing commands";
2302	%COMMAND = ();	3575	%COMMAND = ();
2303		3576
2304	warn "remove ext commands";	3577	warn "removing ext/exti commands";
2305	%EXTCMD = ();	3578	%EXTCMD = ();
		3579	%EXTICMD = ();
2306		3580
2307	warn "unload/nuke all extensions";	3581	warn "unloading/nuking all extensions";
2308	for my $pkg (@EXTS) {	3582	for my $pkg (@EXTS) {
2309	warn "... unloading $pkg";	3583	warn "... unloading $pkg";
2310		3584
2311	if (my $cb = $pkg->can ("unload")) {	3585	if (my $cb = $pkg->can ("unload")) {
2312	eval {	3586	eval {
…		…
2317		3591
2318	warn "... nuking $pkg";	3592	warn "... nuking $pkg";
2319	Symbol::delete_package $pkg;	3593	Symbol::delete_package $pkg;
2320	}	3594	}
2321		3595
2322	warn "unload all perl modules loaded from $LIBDIR";	3596	warn "unloading all perl modules loaded from $LIBDIR";
2323	while (my ($k, $v) = each %INC) {	3597	while (my ($k, $v) = each %INC) {
2324	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3598	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2325		3599
2326	warn "removing <$k>";	3600	warn "... unloading $k";
2327	delete $INC{$k};	3601	delete $INC{$k};
2328		3602
2329	$k =~ s/\.pm$//;	3603	$k =~ s/\.pm$//;
2330	$k =~ s/\//::/g;	3604	$k =~ s/\//::/g;
2331		3605
…		…
2334	}	3608	}
2335		3609
2336	Symbol::delete_package $k;	3610	Symbol::delete_package $k;
2337	}	3611	}
2338		3612
2339	warn "get rid of safe::, as good as possible";	3613	warn "getting rid of safe::, as good as possible";
2340	Symbol::delete_package "safe::$_"	3614	Symbol::delete_package "safe::$_"
2341	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3615	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2342		3616
2343	warn "unload cf.pm \"a bit\"";	3617	warn "unloading cf.pm \"a bit\"";
2344	delete $INC{"cf.pm"};	3618	delete $INC{"cf.pm"};
		3619	delete $INC{"cf/pod.pm"};
2345		3620
2346	# don't, removes xs symbols, too,	3621	# don't, removes xs symbols, too,
2347	# and global variables created in xs	3622	# and global variables created in xs
2348	#Symbol::delete_package __PACKAGE__;	3623	#Symbol::delete_package __PACKAGE__;
2349		3624
		3625	warn "unload completed, starting to reload now";
		3626
2350	warn "reloading cf.pm";	3627	warn "reloading cf.pm";
2351	require cf;	3628	require cf;
2352	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3629	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2353		3630
2354	warn "load config and database again";	3631	warn "loading config and database again";
2355	cf::cfg_load;	3632	cf::reload_config;
2356	cf::db_load;
2357		3633
2358	warn "load extensions";	3634	warn "loading extensions";
2359	cf::load_extensions;	3635	cf::load_extensions;
2360		3636
2361	warn "reattach attachments to objects/players";	3637	warn "reattaching attachments to objects/players";
2362	_global_reattach;	3638	_global_reattach; # objects, sockets
2363	warn "reattach attachments to maps";	3639	warn "reattaching attachments to maps";
2364	reattach $_ for values %MAP;	3640	reattach $_ for values %MAP;
		3641	warn "reattaching attachments to players";
		3642	reattach $_ for values %PLAYER;
		3643
		3644	warn "leaving sync_job";
		3645
		3646	1
		3647	} or do {
		3648	warn $@;
		3649	cf::cleanup "error while reloading, exiting.";
2365	};	3650	};
2366
2367	if ($@) {
2368	warn $@;
2369	warn "error while reloading, exiting.";
2370	exit 1;
2371	}
2372		3651
2373	warn "reloaded";	3652	warn "reloaded";
2374	};	3653	};
2375		3654
		3655	our $RELOAD_WATCHER; # used only during reload
		3656
		3657	sub reload_perl() {
		3658	# doing reload synchronously and two reloads happen back-to-back,
		3659	# coro crashes during coro_state_free->destroy here.
		3660
		3661	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3662	do_reload_perl;
		3663	undef $RELOAD_WATCHER;
		3664	};
		3665	}
		3666
2376	register_command "reload" => sub {	3667	register_command "reload" => sub {
2377	my ($who, $arg) = @_;	3668	my ($who, $arg) = @_;
2378		3669
2379	if ($who->flag (FLAG_WIZ)) {	3670	if ($who->flag (FLAG_WIZ)) {
2380	$who->message ("start of reload.");
2381	reload;
2382	$who->message ("end of reload.");	3671	$who->message ("reloading server.");
		3672	async {
		3673	$Coro::current->{desc} = "perl_reload";
		3674	reload_perl;
		3675	};
2383	}	3676	}
2384	};	3677	};
2385		3678
2386	unshift @INC, $LIBDIR;	3679	unshift @INC, $LIBDIR;
2387		3680
2388	$TICK_WATCHER = Event->timer (	3681	my $bug_warning = 0;
2389	reentrant => 0,
2390	prio => 0,
2391	at => $NEXT_TICK || $TICK,
2392	data => WF_AUTOCANCEL,
2393	cb => sub {
2394	$NOW = Event::time;
2395		3682
		3683	our @WAIT_FOR_TICK;
		3684	our @WAIT_FOR_TICK_BEGIN;
		3685
		3686	sub wait_for_tick {
		3687	return if tick_inhibit;
		3688	return if $Coro::current == $Coro::main;
		3689
		3690	my $signal = new Coro::Signal;
		3691	push @WAIT_FOR_TICK, $signal;
		3692	$signal->wait;
		3693	}
		3694
		3695	sub wait_for_tick_begin {
		3696	return if tick_inhibit;
		3697	return if $Coro::current == $Coro::main;
		3698
		3699	my $signal = new Coro::Signal;
		3700	push @WAIT_FOR_TICK_BEGIN, $signal;
		3701	$signal->wait;
		3702	}
		3703
		3704	sub tick {
		3705	if ($Coro::current != $Coro::main) {
		3706	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3707	unless ++$bug_warning > 10;
		3708	return;
		3709	}
		3710
2396	cf::server_tick; # one server iteration	3711	cf::server_tick; # one server iteration
2397	$RUNTIME += $TICK;
2398	$NEXT_TICK += $TICK;
2399		3712
2400	$WAIT_FOR_TICK->broadcast;	3713	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2401	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3714	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2402		3715	Coro::async_pool {
2403	# if we are delayed by four ticks or more, skip them all	3716	$Coro::current->{desc} = "runtime saver";
2404	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2405
2406	$TICK_WATCHER->at ($NEXT_TICK);
2407	$TICK_WATCHER->start;
2408	},
2409	);
2410
2411	IO::AIO::max_poll_time $TICK * 0.2;
2412
2413	$AIO_POLL_WATCHER = Event->io (
2414	fd => IO::AIO::poll_fileno,
2415	poll => 'r',
2416	prio => 5,
2417	data => WF_AUTOCANCEL,
2418	cb => \&IO::AIO::poll_cb,
2419	);
2420
2421	$WRITE_RUNTIME_WATCHER = Event->timer (
2422	data => WF_AUTOCANCEL,
2423	after => 0,
2424	interval => 10,
2425	cb => sub {
2426	(Coro::unblock_sub {
2427	write_runtime	3717	write_runtime_sync
2428	or warn "ERROR: unable to write runtime file: $!";	3718	or warn "ERROR: unable to write runtime file: $!";
2429	})->();	3719	};
2430	},	3720	}
2431	);	3721
		3722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3723	$sig->send;
		3724	}
		3725	while (my $sig = shift @WAIT_FOR_TICK) {
		3726	$sig->send;
		3727	}
		3728
		3729	$LOAD = ($NOW - $TICK_START) / $TICK;
		3730	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3731
		3732	if (0) {
		3733	if ($NEXT_TICK) {
		3734	my $jitter = $TICK_START - $NEXT_TICK;
		3735	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3736	warn "jitter $JITTER\n";#d#
		3737	}
		3738	}
		3739	}
		3740
		3741	{
		3742	# configure BDB
		3743
		3744	BDB::min_parallel 8;
		3745	BDB::max_poll_reqs $TICK * 0.1;
		3746	$Coro::BDB::WATCHER->priority (1);
		3747
		3748	unless ($DB_ENV) {
		3749	$DB_ENV = BDB::db_env_create;
		3750	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3751	| BDB::LOG_AUTOREMOVE, 1);
		3752	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3753	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3754
		3755	cf::sync_job {
		3756	eval {
		3757	BDB::db_env_open
		3758	$DB_ENV,
		3759	$BDBDIR,
		3760	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3761	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3762	0666;
		3763
		3764	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3765	};
		3766
		3767	cf::cleanup "db_env_open(db): $@" if $@;
		3768	};
		3769	}
		3770
		3771	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3772	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3773	};
		3774	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3775	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3776	};
		3777	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3778	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3779	};
		3780	}
		3781
		3782	{
		3783	# configure IO::AIO
		3784
		3785	IO::AIO::min_parallel 8;
		3786	IO::AIO::max_poll_time $TICK * 0.1;
		3787	$Coro::AIO::WATCHER->priority (1);
		3788	}
		3789
		3790	my $_log_backtrace;
		3791
		3792	sub _log_backtrace {
		3793	my ($msg, @addr) = @_;
		3794
		3795	$msg =~ s/\n//;
		3796
		3797	# limit the # of concurrent backtraces
		3798	if ($_log_backtrace < 2) {
		3799	++$_log_backtrace;
		3800	async {
		3801	$Coro::current->{desc} = "abt $msg";
		3802
		3803	my @bt = fork_call {
		3804	@addr = map { sprintf "%x", $_ } @addr;
		3805	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3806	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3807	or die "addr2line: $!";
		3808
		3809	my @funcs;
		3810	my @res = <$fh>;
		3811	chomp for @res;
		3812	while (@res) {
		3813	my ($func, $line) = splice @res, 0, 2, ();
		3814	push @funcs, "[$func] $line";
		3815	}
		3816
		3817	@funcs
		3818	};
		3819
		3820	LOG llevInfo, "[ABT] $msg\n";
		3821	LOG llevInfo, "[ABT] $_\n" for @bt;
		3822	--$_log_backtrace;
		3823	};
		3824	} else {
		3825	LOG llevInfo, "[ABT] $msg\n";
		3826	LOG llevInfo, "[ABT] [suppressed]\n";
		3827	}
		3828	}
		3829
		3830	# load additional modules
		3831	use cf::pod;
2432		3832
2433	END { cf::emergency_save }	3833	END { cf::emergency_save }
2434		3834
2435	1	3835	1
2436		3836

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