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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.417 by root, Fri Apr 11 14:09:57 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;
		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(!)
48	our $TICK_WATCHER;	95	our $AIO_POLL_WATCHER;
		96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	97	our $NEXT_TICK;
50	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;
51		105
52	our %CFG;	106	our %CFG;
53		107
54	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
56		111
57	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		115
65	# 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 ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		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 $TICK_START; # for load detecting purposes
		123
68	binmode STDOUT;	124	binmode STDOUT;
69	binmode STDERR;	125	binmode STDERR;
70		126
71	# read virtual server time, if available	127	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
76	}	132	}
77		133
78	mkdir cf::localdir;	134	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		136
84	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
		138
		139	sub cf::map::normalise;
85		140
86	#############################################################################	141	#############################################################################
87		142
88	=head2 GLOBAL VARIABLES	143	=head2 GLOBAL VARIABLES
89		144
…		…
96	=item $cf::RUNTIME	151	=item $cf::RUNTIME
97		152
98	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
99	every server tick.	154	every server tick.
100		155
101	=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
102		159
103	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
104	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.
105		164
106	=item $cf::NOW	165	=item $cf::NOW
107		166
108	The time of the last (current) server tick.	167	The time of the last (current) server tick.
109		168
110	=item $cf::TICK	169	=item $cf::TICK
111		170
112	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
113		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
114	=item %cf::CFG	183	=item %cf::CFG
115		184
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
117	from wherever your confdir points to.	186	from wherever your confdir points to.
118		187
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		189
121	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
122	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
123	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.
124	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.
125		199
126	=back	200	=back
127		201
128	=cut	202	=cut
129		203
130	BEGIN {	204	BEGIN {
131	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	206	my $msg = join "", @_;
133	utf8::encode $msg;
134		207
135	$msg .= "\n"	208	$msg .= "\n"
136	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
137		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
138	LOG llevError, $msg;	213	LOG llevError, $msg;
139	};	214	};
140	}	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#?
141		231
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@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';
147	@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)
148		239
149	# 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
150	# within the Safe compartment.	241	# within the Safe compartment.
151	for my $pkg (qw(	242	for my $pkg (qw(
152	cf::global cf::attachable	243	cf::global cf::attachable
…		…
157	)) {	248	)) {
158	no strict 'refs';	249	no strict 'refs';
159	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
160	}	251	}
161		252
162	$Event::DIED = sub {	253	$EV::DIED = sub {
163	warn "error in event callback: @_";	254	warn "error in event callback: @_";
164	};	255	};
		256
		257	#############################################################################
165		258
166	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
167		260
168	=over 4	261	=over 4
169		262
…		…
188	$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;
189	$d	282	$d
190	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
191	}	284	}
192		285
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
196		287
197	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
198		289
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
207		291
208	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
209		293
210	=cut	294	=cut
211		295
212	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
214	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
215	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
216		300
217	=item cf::lock_wait $string	301	=item cf::lock_wait $string
218		302
219	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
220		304
…		…
223	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
224	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,
225	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
226	returned.	310	returned.
227		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
228	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
229	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
230		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
231	=cut	322	=cut
232		323
233	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
234		326
235	sub lock_wait($) {	327	sub lock_wait($) {
236	my ($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#
237		334
238	# wait for lock, if any	335	# wait for lock, if any
239	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;	338	Coro::schedule;
…		…
247		344
248	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
249	lock_wait $key;	346	lock_wait $key;
250		347
251	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
252		350
253	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
254	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
256	}	355	}
257	}	356	}
258		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
259	sub freeze_mainloop {	364	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
261		366
262	my $guard = Coro::guard { $TICK_WATCHER->start };	367	Coro::guard \&tick_inhibit_dec;
263	$TICK_WATCHER->stop;	368	}
264	$guard	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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
		428	}
		429	};
		430
		431	sub get_slot($;$$) {
		432	my ($time, $pri, $name) = @_;
		433
		434	$time = $TICK * .6 if $time > $TICK * .6;
		435	my $sig = new Coro::Signal;
		436
		437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		439	$SLOT_QUEUE->ready;
		440	$sig->wait;
265	}	441	}
266		442
267	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
268		444
269	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		450
275	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
276		452
277	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
278		454
279	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
282		459
283	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
286	fast or be very important.	463	fast or be very important.
…		…
289		466
290	sub sync_job(&) {	467	sub sync_job(&) {
291	my ($job) = @_;	468	my ($job) = @_;
292		469
293	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
		471	my $time = EV::time;
		472
294	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
296		475
297	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	477
299	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
300		479
301	my $busy = 1;	480	my $busy = 1;
302	my @res;	481	my @res;
303		482
304	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	485	@res = eval { $job->() };
306	warn $@ if $@;	486	warn $@ if $@;
307	undef $busy;	487	undef $busy;
308	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
309		489
310	while ($busy) {	490	while ($busy) {
311	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
312	}	495	}
		496	}
		497
		498	my $time = EV::time - $time;
		499
		500	$TICK_START += $time; # do not account sync jobs to server load
313		501
314	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
315	} else {	503	} else {
316	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
317		505
…		…
337	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
338		526
339	$coro	527	$coro
340	}	528	}
341		529
342	sub write_runtime {	530	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		531
345	my $runtime = cf::localdir . "/runtime";	532	Executes the given code block with the given arguments in a seperate
		533	process, returning the results. Everything must be serialisable with
		534	Coro::Storable. May, of course, block. Note that the executed sub may
		535	never block itself or use any form of event handling.
346		536
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	=cut
348	or return;
349		538
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	539	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	540	my ($cb, @args) = @_;
352	and return;
353		541
354	aio_fsync $fh	542	# we seemingly have to make a local copy of the whole thing,
355	and return;	543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
356		545
357	close $fh	546	my @res = Coro::Util::fork_eval {
358	or return;	547	reset_signals;
		548	&$cb
		549	}, @args;
359		550
360	aio_rename "$runtime~", $runtime	551	wantarray ? @res : $res[-1]
361	and return;	552	}
362		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($$) {
		623	my $key = "$_[0]/$_[1]";
		624
		625	cf::sync_job {
		626	BDB::db_get $DB, undef, $key, my $data;
		627
		628	$! ? ()
		629	: $data
363	1	630	}
		631	}
		632
		633	sub db_put($$$) {
		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 });
364	}	717	}
365		718
366	=back	719	=back
367		720
368	=cut	721	=cut
…		…
375	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")
376	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
377		730
378	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>
379	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
380	crossfire+).	733	Deliantra).
381		734
382	=over 4	735	=over 4
383		736
384	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
385		738
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	852	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	853	our @CB_MAP = ();
501		854
502	my %attachment;	855	my %attachment;
503		856
		857	sub cf::attachable::thawer_merge {
		858	# simply override everything except _meta
		859	local $_[0]{_meta};
		860	%{$_[0]} = %{$_[1]};
		861	}
		862
504	sub _attach_cb($$$$) {	863	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	864	my ($registry, $event, $prio, $cb) = @_;
506		865
507	use sort 'stable';	866	use sort 'stable';
508		867
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	901	$registry = $CB_TYPE[$object_type] ||= [];
543		902
544	} elsif ($type eq "subtype") {	903	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	904	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	905	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	906	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		907
549	} elsif ($type eq "package") {	908	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	909	my $pkg = shift @arg;
551		910
552	while (my ($name, $id) = each %cb_id) {	911	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	940	_attach $registry, $klass, @attach;
582	}	941	}
583		942
584	$obj->{$name} = \%arg;	943	$obj->{$name} = \%arg;
585	} else {	944	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	945	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	946	}
588		947
589	$obj->{_attachment}{$name} = undef;	948	$obj->{_attachment}{$name} = undef;
590	}	949	}
591		950
…		…
593	if (ref $_[0]) {	952	if (ref $_[0]) {
594	_object_attach @_;	953	_object_attach @_;
595	} else {	954	} else {
596	_attach shift->_attach_registry, @_;	955	_attach shift->_attach_registry, @_;
597	}	956	}
		957	_recalc_want;
598	};	958	};
599		959
600	# all those should be optimised	960	# all those should be optimised
601	sub cf::attachable::detach {	961	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	962	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	965	delete $obj->{_attachment}{$name};
606	reattach ($obj);	966	reattach ($obj);
607	} else {	967	} else {
608	Carp::croak "cannot, currently, detach class attachments";	968	Carp::croak "cannot, currently, detach class attachments";
609	}	969	}
		970	_recalc_want;
610	};	971	};
611		972
612	sub cf::attachable::attached {	973	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	974	my ($obj, $name) = @_;
614		975
…		…
629	";	990	";
630	die if $@;	991	die if $@;
631	}	992	}
632		993
633	our $override;	994	our $override;
634	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?
635		996
636	sub override {	997	sub override {
637	$override = 1;	998	$override = 1;
638	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
639	}	1000	}
640		1001
641	sub do_invoke {	1002	sub do_invoke {
642	my $event = shift;	1003	my $event = shift;
643	my $callbacks = shift;	1004	my $callbacks = shift;
644		1005
645	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
646		1007
647	local $override;	1008	local $override;
648		1009
649	for (@$callbacks) {	1010	for (@$callbacks) {
650	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
659	}	1020	}
660		1021
661	0	1022	0
662	}	1023	}
663		1024
664	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
665		1026
666	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
667		1028
668	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
669		1030
670	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
671	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
672	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		1034
674	=back	1035	=back
675		1036
676	=cut	1037	=cut
677		1038
678	#############################################################################	1039	#############################################################################
679	# 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	}
680		1083
681	sub reattach {	1084	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	1086	my ($obj) = @_;
		1087
		1088	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		1089
685	my $registry = $obj->registry;	1090	my $registry = $obj->registry;
686		1091
687	@$registry = ();	1092	@$registry = ();
688		1093
…		…
703	cf::attachable->attach (	1108	cf::attachable->attach (
704	prio => -1000000,	1109	prio => -1000000,
705	on_instantiate => sub {	1110	on_instantiate => sub {
706	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
707		1112
708	$data = from_json $data;	1113	$data = decode_json $data;
709		1114
710	for (@$data) {	1115	for (@$data) {
711	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
712		1117
713	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
729	sub object_freezer_save {	1134	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
731		1136
732	sync_job {	1137	sync_job {
733	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
734	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
736		1142
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1146	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1147	close $fh;
742		1148
743	if (@$objs) {	1149	if (@$objs) {
744	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) {
745	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1154	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1155	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
751	}	1157	}
752	} else {	1158	} else {
753	aio_unlink "$filename.pst";	1159	aio_unlink "$filename.pst";
…		…
759	}	1165	}
760	} else {	1166	} else {
761	aio_unlink $filename;	1167	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
763	}	1169	}
764	}	1170	};
765	}	1171	}
766		1172
767	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
769		1175
…		…
781	or return;	1187	or return;
782		1188
783	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
785	or return;	1191	or return;
		1192
786	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
787	}	1195	}
788		1196
		1197	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1199	$decname, length $data, scalar @{$av || []};
		1200
791	return ($data, $av);	1201	($data, $av)
792	}	1202	}
		1203
		1204	=head2 COMMAND CALLBACKS
		1205
		1206	=over 4
		1207
		1208	=cut
793		1209
794	#############################################################################	1210	#############################################################################
795	# command handling &c	1211	# command handling &c
796		1212
797	=item cf::register_command $name => \&callback($ob,$args);	1213	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1226	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1227	}
812		1228
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1229	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1230
815	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.
816		1236
817	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
818	called.	1238	called.
819		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
820	=cut	1251	=cut
821		1252
822	sub register_extcmd {	1253	sub register_extcmd {
823	my ($name, $cb) = @_;	1254	my ($name, $cb) = @_;
824		1255
825	$EXTCMD{$name} = $cb;	1256	$EXTCMD{$name} = $cb;
		1257	}
		1258
		1259	sub register_exticmd {
		1260	my ($name, $cb) = @_;
		1261
		1262	$EXTICMD{$name} = $cb;
826	}	1263	}
827		1264
828	cf::player->attach (	1265	cf::player->attach (
829	on_command => sub {	1266	on_command => sub {
830	my ($pl, $name, $params) = @_;	1267	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1276	cf::override;
840	},	1277	},
841	on_extcmd => sub {	1278	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
843		1280
844	my $msg = eval { from_json $buf };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1282
846	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
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
852	} else {	1298	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1300	}
855		1301
856	cf::override;	1302	cf::override;
857	},	1303	},
858	);	1304	);
859		1305
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	1306	sub load_extensions {
		1307	cf::sync_job {
		1308	my %todo;
		1309
895	for my $ext (<$LIBDIR/*.ext>) {	1310	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1311	next unless -r $path;
897	eval {	1312
898	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;
899	1	1369	}
900	} or warn "$ext not loaded: $@";	1370
		1371	skip:
		1372	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1373	unless $progress;
		1374	}
901	}	1375	};
902	}	1376	}
903		1377
904	#############################################################################	1378	#############################################################################
905	# load/save/clean perl data associated with a map
906		1379
907	*cf::mapsupport::on_clean = sub {	1380	=back
908	my ($map) = @_;
909
910	my $path = $map->tmpname;
911	defined $path or return;
912
913	unlink "$path.pst";
914	};
915
916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918	#############################################################################
919		1381
920	=head2 CORE EXTENSIONS	1382	=head2 CORE EXTENSIONS
921		1383
922	Functions and methods that extend core crossfire objects.	1384	Functions and methods that extend core crossfire objects.
923		1385
…		…
929		1391
930	=head3 cf::player	1392	=head3 cf::player
931		1393
932	=over 4	1394	=over 4
933		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
934	=item cf::player::find $login	1410	=item cf::player::find $login
935		1411
936	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
937		1413
938	=cut	1414	=cut
939		1415
940	sub playerdir($) {	1416	sub playerdir($) {
941	cf::localdir	1417	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1418	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1419	}
947		1420
948	sub path($) {	1421	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1422	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1423
951	(playerdir $login) . "/$login.pl"	1424	(playerdir $login) . "/playerdata"
952	}	1425	}
953		1426
954	sub find_active($) {	1427	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1428	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1429	and $cf::PLAYER{$_[0]}->active
…		…
959		1432
960	sub exists($) {	1433	sub exists($) {
961	my ($login) = @_;	1434	my ($login) = @_;
962		1435
963	$cf::PLAYER{$login}	1436	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1437	or cf::sync_job { !aio_stat path $login }
965	}	1438	}
966		1439
967	sub find($) {	1440	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1441	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1442	my $login = $_[0];
970		1443
971	my $guard = cf::lock_acquire "user_find:$login";	1444	my $guard = cf::lock_acquire "user_find:$login";
972		1445
973	$cf::PLAYER{$_[0]} || do {	1446	$cf::PLAYER{$_[0]} || do {
974	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
975	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;
976	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
977	}	1462	}
978	}	1463	}
979	}	1464	}
980		1465
…		…
990		1475
991	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
992	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
993		1478
994	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
995	Coro::cede;	1480	cf::cede_to_tick;
996	}	1481	}
997		1482
998	sub new($) {	1483	sub new($) {
999	my ($login) = @_;	1484	my ($login) = @_;
1000		1485
…		…
1006	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1007		1492
1008	$self	1493	$self
1009	}	1494	}
1010		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
1011	=item $pl->quit_character	1506	=item $pl->quit_character
1012		1507
1013	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
1014	be destroyed. May block for a long time.	1509	be destroyed. May block for a long time.
1015		1510
1016	=cut	1511	=cut
1017		1512
1018	sub quit_character {	1513	sub quit_character {
1019	my ($pl) = @_;	1514	my ($pl) = @_;
		1515
		1516	my $name = $pl->ob->name;
1020		1517
1021	$pl->{deny_save} = 1;	1518	$pl->{deny_save} = 1;
1022	$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
1023		1520
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1521	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1029	my $path = playerdir $pl;	1526	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1527	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1528	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1529	delete $cf::PLAYER{$pl->ob->name};
1033	$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
1034	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;
1035	}	1552	}
1036		1553
1037	=item cf::player::list_logins	1554	=item cf::player::list_logins
1038		1555
1039	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
1040	while and may block, so not sync_job-capable, ever.	1557	while and may block, so not sync_job-capable, ever.
1041		1558
1042	=cut	1559	=cut
1043		1560
1044	sub list_logins {	1561	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1562	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1563	or return [];
1047		1564
1048	my @logins;	1565	my @logins;
1049		1566
1050	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") {
1051	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1052	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1053	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1054		1576
1055	utf8::decode $login;	1577	utf8::decode $login;
1056	push @logins, $login;	1578	push @logins, $login;
1057	}	1579	}
1058		1580
…		…
1066		1588
1067	=cut	1589	=cut
1068		1590
1069	sub maps($) {	1591	sub maps($) {
1070	my ($pl) = @_;	1592	my ($pl) = @_;
		1593
		1594	$pl = ref $pl ? $pl->ob->name : $pl;
1071		1595
1072	my $files = aio_readdir playerdir $pl	1596	my $files = aio_readdir playerdir $pl
1073	or return;	1597	or return;
1074		1598
1075	my @paths;	1599	my @paths;
…		…
1077	for (@$files) {	1601	for (@$files) {
1078	utf8::decode $_;	1602	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1603	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1604	next unless /^$PATH_SEP/o;
1081		1605
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1606	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1607	}
1084		1608
1085	\@paths	1609	\@paths
1086	}	1610	}
1087		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
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1089		1706
1090	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1091		1708
1092	=cut	1709	=cut
1093		1710
1094	sub ext_reply($$$%) {	1711	sub ext_reply($$@) {
1095	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1096		1713
1097	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1098
1099	$self->send ("ext " . cf::to_json \%msg);
1100	}	1715	}
1101		1716
1102	package cf;	1717	=item $player->ext_msg ($type, @msg)
		1718
		1719	Sends an ext event to the client.
		1720
		1721	=cut
		1722
		1723	sub ext_msg($$@) {
		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	}
1103		1757
1104	=back	1758	=back
1105
1106		1759
1107	=head3 cf::map	1760	=head3 cf::map
1108		1761
1109	=over 4	1762	=over 4
1110		1763
…		…
1114		1767
1115	use Fcntl;	1768	use Fcntl;
1116	use Coro::AIO;	1769	use Coro::AIO;
1117		1770
1118	use overload	1771	use overload
1119	'""' => \&as_string;	1772	'""' => \&as_string,
		1773	fallback => 1;
1120		1774
1121	our $MAX_RESET = 3600;	1775	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1776	our $DEFAULT_RESET = 3000;
1123		1777
1124	sub generate_random_map {	1778	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1779	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1780	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1781	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1782	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1783	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1784	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1791	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1792	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1793	)
1141	}	1794	}
1142		1795
		1796	=item cf::map->register ($regex, $prio)
		1797
		1798	Register a handler for the map path matching the given regex at the
		1799	givne priority (higher is better, built-in handlers have priority 0, the
		1800	default).
		1801
		1802	=cut
		1803
1143	sub register {	1804	sub register {
1144	my (undef, $regex) = @_;	1805	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1806	my $pkg = caller;
1146		1807
1147	no strict;	1808	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1809	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1810
1150	$EXT_MAP{$pkg} = qr<$regex>;	1811	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1812	}
1152		1813
1153	# also paths starting with '/'	1814	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1815	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1816
		1817	sub thawer_merge {
		1818	my ($self, $merge) = @_;
		1819
		1820	# we have to keep some variables in memory intact
		1821	local $self->{path};
		1822	local $self->{load_path};
		1823
		1824	$self->SUPER::thawer_merge ($merge);
		1825	}
1155		1826
1156	sub normalise {	1827	sub normalise {
1157	my ($path, $base) = @_;	1828	my ($path, $base) = @_;
		1829
		1830	$path = "$path"; # make sure its a string
		1831
		1832	$path =~ s/\.map$//;
1158		1833
1159	# map plan:	1834	# map plan:
1160	#	1835	#
1161	# /! non-realised random map exit (special hack!)	1836	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1837	# {... are special paths that are not being touched
…		…
1190		1865
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1866	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1867
1193	$path = normalise $path, $base;	1868	$path = normalise $path, $base;
1194		1869
1195	for my $pkg (keys %EXT_MAP) {	1870	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1871	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1872	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1873	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1874	$self->init; # pass $1 etc.
1200	return $self;	1875	return $self;
1201	}	1876	}
1202	}	1877	}
1203		1878
1204	Carp::carp "unable to resolve path '$path'.";	1879	Carp::cluck "unable to resolve path '$path' (base '$base').";
1205	()	1880	()
1206	}	1881	}
1207		1882
1208	sub init {	1883	sub init {
1209	my ($self) = @_;	1884	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1895	# the displayed name, this is a one way mapping
1221	sub visible_name {	1896	sub visible_name {
1222	&as_string	1897	&as_string
1223	}	1898	}
1224		1899
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1900	# the original (read-only) location
1233	sub load_path {	1901	sub load_path {
1234	my ($self) = @_;	1902	my ($self) = @_;
1235		1903
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1904	"$MAPDIR/$self->{path}.map"
1237	}	1905	}
1238		1906
1239	# the temporary/swap location	1907	# the temporary/swap location
1240	sub save_path {	1908	sub save_path {
1241	my ($self) = @_;	1909	my ($self) = @_;
1242		1910
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1911	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1912	"$TMPDIR/$path.map"
1244	}	1913	}
1245		1914
1246	# the unique path, undef == no special unique path	1915	# the unique path, undef == no special unique path
1247	sub uniq_path {	1916	sub uniq_path {
1248	my ($self) = @_;	1917	my ($self) = @_;
1249		1918
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1919	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1920	"$UNIQUEDIR/$path"
1251	}	1921	}
1252		1922
1253	# and all this just because we cannot iterate over	1923	# and all this just because we cannot iterate over
1254	# all maps in C++...	1924	# all maps in C++...
1255	sub change_all_map_light {	1925	sub change_all_map_light {
…		…
1257		1927
1258	$_->change_map_light ($change)	1928	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1929	for grep $_->outdoor, values %cf::MAP;
1260	}	1930	}
1261		1931
		1932	sub decay_objects {
		1933	my ($self) = @_;
		1934
		1935	return if $self->{deny_reset};
		1936
		1937	$self->do_decay_objects;
		1938	}
		1939
1262	sub unlink_save {	1940	sub unlink_save {
1263	my ($self) = @_;	1941	my ($self) = @_;
1264		1942
1265	utf8::encode (my $save = $self->save_path);	1943	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1944	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1945	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1946	}
1269		1947
1270	sub load_header_from($) {	1948	sub load_header_from($) {
1271	my ($self, $path) = @_;	1949	my ($self, $path) = @_;
1272		1950
1273	utf8::encode $path;	1951	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1952	my $f = new_from_file cf::object::thawer $path
1275	or return;	1953	or return;
1276		1954
1277	$self->_load_header ($path)	1955	$self->_load_header ($f)
1278	or return;	1956	or return;
1279		1957
		1958	local $MAP_LOADING{$self->{path}} = $self;
		1959	$f->resolve_delayed_derefs;
		1960
1280	$self->{load_path} = $path;	1961	$self->{load_path} = $path;
1281		1962
1282	1	1963	1
1283	}	1964	}
1284		1965
1285	sub load_orig {	1966	sub load_header_orig {
1286	my ($self) = @_;	1967	my ($self) = @_;
1287		1968
1288	$self->load_header_from ($self->load_path)	1969	$self->load_header_from ($self->load_path)
1289	}	1970	}
1290		1971
1291	sub load_temp {	1972	sub load_header_temp {
1292	my ($self) = @_;	1973	my ($self) = @_;
1293		1974
1294	$self->load_header_from ($self->save_path)	1975	$self->load_header_from ($self->save_path)
		1976	}
		1977
		1978	sub prepare_temp {
		1979	my ($self) = @_;
		1980
		1981	$self->last_access ((delete $self->{last_access})
		1982	|| $cf::RUNTIME); #d#
		1983	# safety
		1984	$self->{instantiate_time} = $cf::RUNTIME
		1985	if $self->{instantiate_time} > $cf::RUNTIME;
		1986	}
		1987
		1988	sub prepare_orig {
		1989	my ($self) = @_;
		1990
		1991	$self->{load_original} = 1;
		1992	$self->{instantiate_time} = $cf::RUNTIME;
		1993	$self->last_access ($cf::RUNTIME);
		1994	$self->instantiate;
1295	}	1995	}
1296		1996
1297	sub load_header {	1997	sub load_header {
1298	my ($self) = @_;	1998	my ($self) = @_;
1299		1999
1300	if ($self->load_temp) {	2000	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	2001	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	2002	} else {
1307	$self->load_orig	2003	$self->load_header_orig
1308	or return;	2004	or return;
1309		2005	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	2006	}
		2007
		2008	$self->{deny_reset} = 1
		2009	if $self->no_reset;
		2010
		2011	$self->default_region (cf::region::find_by_path $self->{path})
		2012	unless $self->default_region;
1315		2013
1316	1	2014	1
1317	}	2015	}
1318		2016
1319	sub find;	2017	sub find;
1320	sub find {	2018	sub find {
1321	my ($path, $origin) = @_;	2019	my ($path, $origin) = @_;
1322		2020
1323	$path = normalise $path, $origin && $origin->path;	2021	$path = normalise $path, $origin && $origin->path;
1324		2022
		2023	cf::lock_wait "map_data:$path";#d#remove
1325	cf::lock_wait "map_find:$path";	2024	cf::lock_wait "map_find:$path";
1326		2025
1327	$cf::MAP{$path} || do {	2026	$cf::MAP{$path} || do {
1328	my $guard = cf::lock_acquire "map_find:$path";	2027	my $guard1 = cf::lock_acquire "map_find:$path";
		2028	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2029
1329	my $map = new_from_path cf::map $path	2030	my $map = new_from_path cf::map $path
1330	or return;	2031	or return;
1331		2032
1332	$map->{last_save} = $cf::RUNTIME;	2033	$map->{last_save} = $cf::RUNTIME;
1333		2034
1334	$map->load_header	2035	$map->load_header
1335	or return;	2036	or return;
1336		2037
1337	if ($map->should_reset) {	2038	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2039	# doing this can freeze the server in a sync job, obviously
		2040	#$cf::WAIT_FOR_TICK->wait;
		2041	undef $guard1;
		2042	undef $guard2;
1338	$map->reset;	2043	$map->reset;
1339	undef $guard;
1340	$map = find $path	2044	return find $path;
1341	or return;
1342	}	2045	}
1343		2046
1344	$cf::MAP{$path} = $map	2047	$cf::MAP{$path} = $map
1345	}	2048	}
1346	}	2049	}
		2050
		2051	sub pre_load { }
		2052	sub post_load { }
1347		2053
1348	sub load {	2054	sub load {
1349	my ($self) = @_;	2055	my ($self) = @_;
1350		2056
		2057	local $self->{deny_reset} = 1; # loading can take a long time
		2058
1351	my $path = $self->{path};	2059	my $path = $self->{path};
		2060
		2061	{
1352	my $guard = cf::lock_acquire "map_load:$path";	2062	my $guard = cf::lock_acquire "map_data:$path";
1353		2063
		2064	return unless $self->valid;
1354	return if $self->in_memory != cf::MAP_SWAPPED;	2065	return unless $self->in_memory == cf::MAP_SWAPPED;
1355		2066
1356	$self->in_memory (cf::MAP_LOADING);	2067	$self->in_memory (cf::MAP_LOADING);
1357		2068
1358	$self->alloc;	2069	$self->alloc;
1359	$self->_load_objects ($self->{load_path}, 1)	2070
		2071	$self->pre_load;
		2072	cf::cede_to_tick;
		2073
		2074	my $f = new_from_file cf::object::thawer $self->{load_path};
		2075	$f->skip_block;
		2076	$self->_load_objects ($f)
1360	or return;	2077	or return;
1361		2078
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2079	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1363	if delete $self->{load_original};	2080	if delete $self->{load_original};
1364		2081
1365	if (my $uniq = $self->uniq_path) {	2082	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;	2083	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {	2084	unless (aio_stat $uniq) {
		2085	if (my $f = new_from_file cf::object::thawer $uniq) {
1368	$self->clear_unique_items;	2086	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);	2087	$self->_load_objects ($f);
		2088	$f->resolve_delayed_derefs;
		2089	}
1370	}	2090	}
1371	}	2091	}
1372		2092
1373	Coro::cede;	2093	$f->resolve_delayed_derefs;
1374		2094
		2095	cf::cede_to_tick;
1375	# now do the right thing for maps	2096	# now do the right thing for maps
1376	$self->link_multipart_objects;	2097	$self->link_multipart_objects;
1377
1378	unless ($self->{deny_activate}) {
1379	$self->decay_objects;
1380	$self->fix_auto_apply;
1381	$self->update_buttons;
1382	Coro::cede;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	2098	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	2099	unless $self->difficulty;
1386	Coro::cede;	2100	cf::cede_to_tick;
		2101
		2102	unless ($self->{deny_activate}) {
		2103	$self->decay_objects;
		2104	$self->fix_auto_apply;
		2105	$self->update_buttons;
		2106	cf::cede_to_tick;
		2107	$self->set_darkness_map;
		2108	cf::cede_to_tick;
1387	$self->activate;	2109	$self->activate;
1388	}	2110	}
1389		2111
		2112	$self->{last_save} = $cf::RUNTIME;
		2113	$self->last_access ($cf::RUNTIME);
		2114
1390	$self->in_memory (cf::MAP_IN_MEMORY);	2115	$self->in_memory (cf::MAP_IN_MEMORY);
		2116	}
		2117
		2118	$self->post_load;
1391	}	2119	}
1392		2120
1393	sub customise_for {	2121	sub customise_for {
1394	my ($self, $ob) = @_;	2122	my ($self, $ob) = @_;
1395		2123
1396	return find "~" . $ob->name . "/" . $self->{path}	2124	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	2125	if $self->per_player;
1398		2126
		2127	# return find "?party/" . $ob->name . "/" . $self->{path}
		2128	# if $self->per_party;
		2129
1399	$self	2130	$self
1400	}	2131	}
1401		2132
1402	# find and load all maps in the 3x3 area around a map	2133	# find and load all maps in the 3x3 area around a map
1403	sub load_diag {	2134	sub load_neighbours {
1404	my ($map) = @_;	2135	my ($map) = @_;
1405		2136
1406	my @diag; # diagonal neighbours	2137	my @neigh; # diagonal neighbours
1407		2138
1408	for (0 .. 3) {	2139	for (0 .. 3) {
1409	my $neigh = $map->tile_path ($_)	2140	my $neigh = $map->tile_path ($_)
1410	or next;	2141	or next;
1411	$neigh = find $neigh, $map	2142	$neigh = find $neigh, $map
1412	or next;	2143	or next;
1413	$neigh->load;	2144	$neigh->load;
1414		2145
		2146	push @neigh,
1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2147	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2148	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1417	}	2149	}
1418		2150
1419	for (@diag) {	2151	for (grep defined $_->[0], @neigh) {
		2152	my ($path, $origin) = @$_;
1420	my $neigh = find @$_	2153	my $neigh = find $path, $origin
1421	or next;	2154	or next;
1422	$neigh->load;	2155	$neigh->load;
1423	}	2156	}
1424	}	2157	}
1425		2158
…		…
1430	}	2163	}
1431		2164
1432	sub do_load_sync {	2165	sub do_load_sync {
1433	my ($map) = @_;	2166	my ($map) = @_;
1434		2167
		2168	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2169	if $Coro::current == $Coro::main;
		2170
1435	cf::sync_job { $map->load };	2171	cf::sync_job { $map->load };
1436	}	2172	}
1437		2173
1438	our %MAP_PREFETCH;	2174	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	2175	our $MAP_PREFETCHER = undef;
1440	while () {
1441	for my $path (keys %MAP_PREFETCH) {
1442	my $map = find $path
1443	or next;
1444	$map->load;
1445
1446	delete $MAP_PREFETCH{$path};
1447	}
1448	Coro::schedule;
1449	}
1450	};
1451		2176
1452	sub find_async {	2177	sub find_async {
1453	my ($path, $origin) = @_;	2178	my ($path, $origin, $load) = @_;
1454		2179
1455	$path = normalise $path, $origin && $origin->{path};	2180	$path = normalise $path, $origin && $origin->{path};
1456		2181
1457	if (my $map = $cf::MAP{$path}) {	2182	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2183	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2184	}
		2185
		2186	$MAP_PREFETCH{$path} |= $load;
		2187
		2188	$MAP_PREFETCHER ||= cf::async {
		2189	$Coro::current->{desc} = "map prefetcher";
		2190
		2191	while (%MAP_PREFETCH) {
		2192	while (my ($k, $v) = each %MAP_PREFETCH) {
		2193	if (my $map = find $k) {
		2194	$map->load if $v;
		2195	}
		2196
		2197	delete $MAP_PREFETCH{$k};
		2198	}
		2199	}
		2200	undef $MAP_PREFETCHER;
1459	}	2201	};
1460
1461	$MAP_PREFETCH{$path} = 0;
1462	$MAP_PREFETCHER->ready;	2202	$MAP_PREFETCHER->prio (6);
1463		2203
1464	()	2204	()
1465	}	2205	}
1466		2206
1467	sub save {	2207	sub save {
1468	my ($self) = @_;	2208	my ($self) = @_;
1469		2209
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		2211
1472	$self->{last_save} = $cf::RUNTIME;	2212	$self->{last_save} = $cf::RUNTIME;
1473		2213
1474	return unless $self->dirty;	2214	return unless $self->dirty;
1475		2215
…		…
1481	return if $self->{deny_save};	2221	return if $self->{deny_save};
1482		2222
1483	local $self->{last_access} = $self->last_access;#d#	2223	local $self->{last_access} = $self->last_access;#d#
1484		2224
1485	cf::async {	2225	cf::async {
		2226	$Coro::current->{desc} = "map player save";
1486	$_->contr->save for $self->players;	2227	$_->contr->save for $self->players;
1487	};	2228	};
1488		2229
1489	if ($uniq) {	2230	if ($uniq) {
1490	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2231	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1498	my ($self) = @_;	2239	my ($self) = @_;
1499		2240
1500	# save first because save cedes	2241	# save first because save cedes
1501	$self->save;	2242	$self->save;
1502		2243
1503	my $lock = cf::lock_acquire "map_data:" . $self->path;	2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
1504		2245
1505	return if $self->players;	2246	return if $self->players;
1506	return if $self->in_memory != cf::MAP_IN_MEMORY;	2247	return if $self->in_memory != cf::MAP_IN_MEMORY;
1507	return if $self->{deny_save};	2248	return if $self->{deny_save};
1508		2249
		2250	$self->in_memory (cf::MAP_SWAPPED);
		2251
		2252	$self->deactivate;
		2253	$_->clear_links_to ($self) for values %cf::MAP;
1509	$self->clear;	2254	$self->clear;
1510	$self->in_memory (cf::MAP_SWAPPED);
1511	}	2255	}
1512		2256
1513	sub reset_at {	2257	sub reset_at {
1514	my ($self) = @_;	2258	my ($self) = @_;
1515		2259
1516	# TODO: safety, remove and allow resettable per-player maps	2260	# TODO: safety, remove and allow resettable per-player maps
1517	return 1e99 if $self->isa ("ext::map_per_player");
1518	return 1e99 if $self->{deny_reset};	2261	return 1e99 if $self->{deny_reset};
1519		2262
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2263	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2264	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		2265
…		…
1527	my ($self) = @_;	2270	my ($self) = @_;
1528		2271
1529	$self->reset_at <= $cf::RUNTIME	2272	$self->reset_at <= $cf::RUNTIME
1530	}	2273	}
1531		2274
1532	sub rename {
1533	my ($self, $new_path) = @_;
1534
1535	normalise $new_path;
1536
1537	$self->unlink_save;
1538
1539	delete $cf::MAP{$self->path};
1540	$self->{path} = $new_path; $self->path ($self->{path});
1541	$cf::MAP{$self->path} = $self;
1542
1543	$self->save;
1544	}
1545
1546	sub reset {	2275	sub reset {
1547	my ($self) = @_;	2276	my ($self) = @_;
1548		2277
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	2278	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		2279
1551	return if $self->players;	2280	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		2281
1554	warn "resetting map ", $self->path;#d#	2282	warn "resetting map ", $self->path;
		2283
		2284	$self->in_memory (cf::MAP_SWAPPED);
		2285
		2286	# need to save uniques path
		2287	unless ($self->{deny_save}) {
		2288	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2289
		2290	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2291	if $uniq;
		2292	}
1555		2293
1556	delete $cf::MAP{$self->path};	2294	delete $cf::MAP{$self->path};
1557		2295
		2296	$self->deactivate;
1558	$_->clear_links_to ($self) for values %cf::MAP;	2297	$_->clear_links_to ($self) for values %cf::MAP;
		2298	$self->clear;
1559		2299
1560	$self->unlink_save;	2300	$self->unlink_save;
1561	$self->destroy;	2301	$self->destroy;
1562	}	2302	}
1563		2303
1564	my $nuke_counter = "aaaa";	2304	my $nuke_counter = "aaaa";
1565		2305
1566	sub nuke {	2306	sub nuke {
1567	my ($self) = @_;	2307	my ($self) = @_;
1568		2308
		2309	{
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
		2312	delete $cf::MAP{$self->path};
		2313
		2314	$self->unlink_save;
		2315
		2316	bless $self, "cf::map";
		2317	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	2318	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2319	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2320	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2321
		2322	$cf::MAP{$self->path} = $self;
		2323	}
		2324
1572	$self->reset; # polite request, might not happen	2325	$self->reset; # polite request, might not happen
		2326	}
		2327
		2328	=item $maps = cf::map::tmp_maps
		2329
		2330	Returns an arrayref with all map paths of currently instantiated and saved
		2331	maps. May block.
		2332
		2333	=cut
		2334
		2335	sub tmp_maps() {
		2336	[
		2337	map {
		2338	utf8::decode $_;
		2339	/\.map$/
		2340	? normalise $_
		2341	: ()
		2342	} @{ aio_readdir $TMPDIR or [] }
		2343	]
		2344	}
		2345
		2346	=item $maps = cf::map::random_maps
		2347
		2348	Returns an arrayref with all map paths of currently instantiated and saved
		2349	random maps. May block.
		2350
		2351	=cut
		2352
		2353	sub random_maps() {
		2354	[
		2355	map {
		2356	utf8::decode $_;
		2357	/\.map$/
		2358	? normalise "?random/$_"
		2359	: ()
		2360	} @{ aio_readdir $RANDOMDIR or [] }
		2361	]
1573	}	2362	}
1574		2363
1575	=item cf::map::unique_maps	2364	=item cf::map::unique_maps
1576		2365
1577	Returns an arrayref of paths of all shared maps that have	2366	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2367	instantiated unique items. May block.
1579		2368
1580	=cut	2369	=cut
1581		2370
1582	sub unique_maps() {	2371	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2372	[
1584	or return;	2373	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2374	utf8::decode $_;
1590	next if /\.pst$/;	2375	/\.map$/
1591	next unless /^$PATH_SEP/o;	2376	? normalise $_
1592		2377	: ()
1593	push @paths, $_;	2378	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2379	]
1595
1596	\@paths
1597	}	2380	}
1598
1599	package cf;
1600		2381
1601	=back	2382	=back
1602		2383
1603	=head3 cf::object	2384	=head3 cf::object
1604		2385
…		…
1619	map { $_, inv_recursive_ $_->inv } @_	2400	map { $_, inv_recursive_ $_->inv } @_
1620	}	2401	}
1621		2402
1622	sub inv_recursive {	2403	sub inv_recursive {
1623	inv_recursive_ inv $_[0]	2404	inv_recursive_ inv $_[0]
		2405	}
		2406
		2407	=item $ref = $ob->ref
		2408
		2409	creates and returns a persistent reference to an objetc that can be stored as a string.
		2410
		2411	=item $ob = cf::object::deref ($refstring)
		2412
		2413	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2414	even if the object actually exists. May block.
		2415
		2416	=cut
		2417
		2418	sub deref {
		2419	my ($ref) = @_;
		2420
		2421	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2422	my ($uuid, $name) = ($1, $2);
		2423	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2424	or return;
		2425	$pl->ob->uuid eq $uuid
		2426	or return;
		2427
		2428	$pl->ob
		2429	} else {
		2430	warn "$ref: cannot resolve object reference\n";
		2431	undef
		2432	}
1624	}	2433	}
1625		2434
1626	package cf;	2435	package cf;
1627		2436
1628	=back	2437	=back
…		…
1647		2456
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2457	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2458
1650	if ($self->{record_replies}) {	2459	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2460	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2461
1652	} else {	2462	} else {
		2463	my $pl = $self->contr;
		2464
		2465	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2466	my $dialog = $pl->{npc_dialog};
		2467	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2468
		2469	} else {
1653	$msg = $npc->name . " says: $msg" if $npc;	2470	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2471	$self->message ($msg, $flags);
		2472	}
1655	}	2473	}
		2474	}
		2475
		2476	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2477
		2478	=cut
		2479
		2480	sub cf::object::send_msg {
		2481	my $pl = shift->contr
		2482	or return;
		2483	$pl->send_msg (@_);
1656	}	2484	}
1657		2485
1658	=item $player_object->may ("access")	2486	=item $player_object->may ("access")
1659		2487
1660	Returns wether the given player is authorized to access resource "access"	2488	Returns wether the given player is authorized to access resource "access"
…		…
1692	=cut	2520	=cut
1693		2521
1694	sub link_map {	2522	sub link_map {
1695	unless ($LINK_MAP) {	2523	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2524	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2525	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2526	$LINK_MAP->load;
1699	}	2527	}
1700		2528
1701	$LINK_MAP	2529	$LINK_MAP
1702	}	2530	}
…		…
1707	$self->deactivate_recursive;	2535	$self->deactivate_recursive;
1708		2536
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2537	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2538
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2539	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2540	if $self->map && $self->map->{path} ne "{link}";
1713		2541
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2542	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2543	}
1716		2544
1717	sub cf::object::player::leave_link {	2545	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2546	my ($self, $map, $x, $y) = @_;
		2547
		2548	return unless $self->contr->active;
1719		2549
1720	my $link_pos = delete $self->{_link_pos};	2550	my $link_pos = delete $self->{_link_pos};
1721		2551
1722	unless ($map) {	2552	unless ($map) {
1723	# restore original map position	2553	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2567	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2568	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2569	if $x <=0 && $y <= 0;
1740		2570
1741	$map->load;	2571	$map->load;
1742	$map->load_diag;	2572	$map->load_neighbours;
1743		2573
1744	return unless $self->contr->active;	2574	return unless $self->contr->active;
1745	$self->activate_recursive;	2575	$self->activate_recursive;
		2576
		2577	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2578	$self->enter_map ($map, $x, $y);
1747	}	2579	}
1748		2580
1749	cf::player->attach (	2581	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2582
1753	# abort map switching before logout	2583	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2584	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2585	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2586	the new (success) or old (failed) map position. In either case, $done will
1757	};	2587	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2588
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2589	=cut
		2590
		2591	our $GOTOGEN;
1784		2592
1785	sub cf::object::player::goto {	2593	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2594	my ($self, $path, $x, $y, $check, $done) = @_;
		2595
		2596	# do generation counting so two concurrent goto's will be executed in-order
		2597	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2598
1788	$self->enter_link;	2599	$self->enter_link;
1789		2600
1790	(async {	2601	(async {
1791	my $map = cf::map::find $path;	2602	$Coro::current->{desc} = "player::goto $path $x $y";
		2603
		2604	# *tag paths override both path and x|y
		2605	if ($path =~ /^\*(.*)$/) {
		2606	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2607	my $ob = $obs[rand @obs];
		2608
		2609	# see if we actually can go there
		2610	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2611	$ob = $obs[rand @obs];
		2612	} else {
		2613	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2614	}
		2615	# else put us there anyways for now #d#
		2616
		2617	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2618	} else {
		2619	($path, $x, $y) = (undef, undef, undef);
		2620	}
		2621	}
		2622
		2623	my $map = eval {
		2624	my $map = defined $path ? cf::map::find $path : undef;
		2625
		2626	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2627	$map = $map->customise_for ($self);
1793		2628	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2629	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2630	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2631	}
1798		2632
		2633	$map
		2634	};
		2635
		2636	if ($@) {
		2637	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2638	LOG llevError | logBacktrace, Carp::longmess $@;
		2639	}
		2640
		2641	if ($gen == $self->{_goto_generation}) {
		2642	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2643	$self->leave_link ($map, $x, $y);
		2644	}
		2645
		2646	$done->() if $done;
1800	})->prio (1);	2647	})->prio (1);
1801	}	2648	}
1802		2649
1803	=item $player_object->enter_exit ($exit_object)	2650	=item $player_object->enter_exit ($exit_object)
1804		2651
…		…
1806		2653
1807	sub parse_random_map_params {	2654	sub parse_random_map_params {
1808	my ($spec) = @_;	2655	my ($spec) = @_;
1809		2656
1810	my $rmp = { # defaults	2657	my $rmp = { # defaults
1811	xsize => 10,	2658	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2659	ysize => (cf::rndm 15, 40),
		2660	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2661	#layout => string,
1813	};	2662	};
1814		2663
1815	for (split /\n/, $spec) {	2664	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2665	my ($k, $v) = split /\s+/, $_, 2;
1817		2666
…		…
1821	$rmp	2670	$rmp
1822	}	2671	}
1823		2672
1824	sub prepare_random_map {	2673	sub prepare_random_map {
1825	my ($exit) = @_;	2674	my ($exit) = @_;
		2675
		2676	my $guard = cf::lock_acquire "exit_prepare:$exit";
1826		2677
1827	# all this does is basically replace the /! path by	2678	# all this does is basically replace the /! path by
1828	# a new random map path (?random/...) with a seed	2679	# a new random map path (?random/...) with a seed
1829	# that depends on the exit object	2680	# that depends on the exit object
1830		2681
1831	my $rmp = parse_random_map_params $exit->msg;	2682	my $rmp = parse_random_map_params $exit->msg;
1832		2683
1833	if ($exit->map) {	2684	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2685	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2686	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2687	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2688	$rmp->{origin_y} = $exit->y;
1838	}	2689	}
1839		2690
1840	$rmp->{random_seed} ||= $exit->random_seed;	2691	$rmp->{random_seed} ||= $exit->random_seed;
1841		2692
1842	my $data = cf::to_json $rmp;	2693	my $data = cf::encode_json $rmp;
1843	my $md5 = Digest::MD5::md5_hex $data;	2694	my $md5 = Digest::MD5::md5_hex $data;
		2695	my $meta = "$RANDOMDIR/$md5.meta";
1844		2696
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2697	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2698	aio_write $fh, 0, (length $data), $data, 0;
		2699	undef $fh;
		2700	aio_rename "$meta~", $meta;
1847		2701
1848	$exit->slaying ("?random/$md5");	2702	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2703	$exit->msg (undef);
1850	}	2704	}
1851	}	2705	}
…		…
1853	sub cf::object::player::enter_exit {	2707	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2708	my ($self, $exit) = @_;
1855		2709
1856	return unless $self->type == cf::PLAYER;	2710	return unless $self->type == cf::PLAYER;
1857		2711
		2712	if ($exit->slaying eq "/!") {
		2713	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2714	# the problem is that $exit might not survive long enough
		2715	# so it needs to be done right now, right here
		2716	cf::sync_job { prepare_random_map $exit };
		2717	}
		2718
		2719	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2720	my $hp = $exit->stats->hp;
		2721	my $sp = $exit->stats->sp;
		2722
1858	$self->enter_link;	2723	$self->enter_link;
1859		2724
		2725	# if exit is damned, update players death & WoR home-position
		2726	$self->contr->savebed ($slaying, $hp, $sp)
		2727	if $exit->flag (FLAG_DAMNED);
		2728
1860	(async {	2729	(async {
		2730	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2731
1861	$self->deactivate_recursive; # just to be sure	2732	$self->deactivate_recursive; # just to be sure
1862	unless (eval {	2733	unless (eval {
1863	prepare_random_map $exit	2734	$self->goto ($slaying, $hp, $sp);
1864	if $exit->slaying eq "/!";
1865
1866	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1868		2735
1869	1;	2736	1;
1870	}) {	2737	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2738	$self->message ("Something went wrong deep within the crossfire server. "
1872	. "I'll try to bring you back to the map you were before. "	2739	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2740	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2741	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2742
1876	warn "ERROR in enter_exit: $@";	2743	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2744	$self->leave_link;
1878	}	2745	}
1879	})->prio (1);	2746	})->prio (1);
…		…
1892		2759
1893	sub cf::client::send_drawinfo {	2760	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2761	my ($self, $text, $flags) = @_;
1895		2762
1896	utf8::encode $text;	2763	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2764	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2765	}
1899		2766
		2767	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2768
		2769	Send a drawinfo or msg packet to the client, formatting the msg for the
		2770	client if neccessary. C<$type> should be a string identifying the type of
		2771	the message, with C<log> being the default. If C<$color> is negative, suppress
		2772	the message unless the client supports the msg packet.
		2773
		2774	=cut
		2775
		2776	# non-persistent channels (usually the info channel)
		2777	our %CHANNEL = (
		2778	"c/identify" => {
		2779	id => "infobox",
		2780	title => "Identify",
		2781	reply => undef,
		2782	tooltip => "Items recently identified",
		2783	},
		2784	"c/examine" => {
		2785	id => "infobox",
		2786	title => "Examine",
		2787	reply => undef,
		2788	tooltip => "Signs and other items you examined",
		2789	},
		2790	"c/book" => {
		2791	id => "infobox",
		2792	title => "Book",
		2793	reply => undef,
		2794	tooltip => "The contents of a note or book",
		2795	},
		2796	"c/lookat" => {
		2797	id => "infobox",
		2798	title => "Look",
		2799	reply => undef,
		2800	tooltip => "What you saw there",
		2801	},
		2802	"c/who" => {
		2803	id => "infobox",
		2804	title => "Players",
		2805	reply => undef,
		2806	tooltip => "Shows players who are currently online",
		2807	},
		2808	"c/body" => {
		2809	id => "infobox",
		2810	title => "Body Parts",
		2811	reply => undef,
		2812	tooltip => "Shows which body parts you posess and are available",
		2813	},
		2814	"c/uptime" => {
		2815	id => "infobox",
		2816	title => "Uptime",
		2817	reply => undef,
		2818	tooltip => "How long the server has been running since last restart",
		2819	},
		2820	"c/mapinfo" => {
		2821	id => "infobox",
		2822	title => "Map Info",
		2823	reply => undef,
		2824	tooltip => "Information related to the maps",
		2825	},
		2826	);
		2827
		2828	sub cf::client::send_msg {
		2829	my ($self, $channel, $msg, $color, @extra) = @_;
		2830
		2831	$msg = $self->pl->expand_cfpod ($msg);
		2832
		2833	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2834
		2835	# check predefined channels, for the benefit of C
		2836	if ($CHANNEL{$channel}) {
		2837	$channel = $CHANNEL{$channel};
		2838
		2839	$self->ext_msg (channel_info => $channel)
		2840	if $self->can_msg;
		2841
		2842	$channel = $channel->{id};
		2843
		2844	} elsif (ref $channel) {
		2845	# send meta info to client, if not yet sent
		2846	unless (exists $self->{channel}{$channel->{id}}) {
		2847	$self->{channel}{$channel->{id}} = $channel;
		2848	$self->ext_msg (channel_info => $channel)
		2849	if $self->can_msg;
		2850	}
		2851
		2852	$channel = $channel->{id};
		2853	}
		2854
		2855	return unless @extra || length $msg;
		2856
		2857	if ($self->can_msg) {
		2858	# default colour, mask it out
		2859	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2860	if $color & cf::NDI_DEF;
		2861
		2862	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2863	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2864	} else {
		2865	if ($color >= 0) {
		2866	# replace some tags by gcfclient-compatible ones
		2867	for ($msg) {
		2868	1 while
		2869	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2870	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2871	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2872	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2873	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2874	}
		2875
		2876	$color &= cf::NDI_COLOR_MASK;
		2877
		2878	utf8::encode $msg;
		2879
		2880	if (0 && $msg =~ /\[/) {
		2881	# COMMAND/INFO
		2882	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2883	} else {
		2884	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2885	$self->send_packet ("drawinfo $color $msg")
		2886	}
		2887	}
		2888	}
		2889	}
		2890
		2891	=item $client->ext_msg ($type, @msg)
		2892
		2893	Sends an ext event to the client.
		2894
		2895	=cut
		2896
		2897	sub cf::client::ext_msg($$@) {
		2898	my ($self, $type, @msg) = @_;
		2899
		2900	if ($self->extcmd == 2) {
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2902	} elsif ($self->extcmd == 1) { # TODO: remove
		2903	push @msg, msgtype => "event_$type";
		2904	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2905	}
		2906	}
		2907
		2908	=item $client->ext_reply ($msgid, @msg)
		2909
		2910	Sends an ext reply to the client.
		2911
		2912	=cut
		2913
		2914	sub cf::client::ext_reply($$@) {
		2915	my ($self, $id, @msg) = @_;
		2916
		2917	if ($self->extcmd == 2) {
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2919	} elsif ($self->extcmd == 1) {
		2920	#TODO: version 1, remove
		2921	unshift @msg, msgtype => "reply", msgid => $id;
		2922	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2923	}
		2924	}
1900		2925
1901	=item $success = $client->query ($flags, "text", \&cb)	2926	=item $success = $client->query ($flags, "text", \&cb)
1902		2927
1903	Queues a query to the client, calling the given callback with	2928	Queues a query to the client, calling the given callback with
1904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2929	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2930	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1906		2931
1907	Queries can fail, so check the return code. Or don't, as queries will become	2932	Queries can fail, so check the return code. Or don't, as queries will
1908	reliable at some point in the future.	2933	become reliable at some point in the future.
1909		2934
1910	=cut	2935	=cut
1911		2936
1912	sub cf::client::query {	2937	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	2938	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	2946	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2947	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		2948
1924	$self->send_packet ($self->{query_queue}[0][0])	2949	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	2950	if @{ $self->{query_queue} } == 1;
		2951
		2952	1
1926	}	2953	}
1927		2954
1928	cf::client->attach (	2955	cf::client->attach (
		2956	on_connect => sub {
		2957	my ($ns) = @_;
		2958
		2959	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2960	},
1929	on_reply => sub {	2961	on_reply => sub {
1930	my ($ns, $msg) = @_;	2962	my ($ns, $msg) = @_;
1931		2963
1932	# this weird shuffling is so that direct followup queries	2964	# this weird shuffling is so that direct followup queries
1933	# get handled first	2965	# get handled first
1934	my $queue = delete $ns->{query_queue}	2966	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	2967	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		2968
1937	(shift @$queue)->[1]->($msg);	2969	(shift @$queue)->[1]->($msg);
		2970	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		2971
1939	push @{ $ns->{query_queue} }, @$queue;	2972	push @{ $ns->{query_queue} }, @$queue;
1940		2973
1941	if (@{ $ns->{query_queue} } == @$queue) {	2974	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	2975	if (@$queue) {
…		…
1944	} else {	2977	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2978	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	2979	}
1947	}	2980	}
1948	},	2981	},
		2982	on_exticmd => sub {
		2983	my ($ns, $buf) = @_;
		2984
		2985	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2986
		2987	if (ref $msg) {
		2988	my ($type, $reply, @payload) =
		2989	"ARRAY" eq ref $msg
		2990	? @$msg
		2991	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2992
		2993	my @reply;
		2994
		2995	if (my $cb = $EXTICMD{$type}) {
		2996	@reply = $cb->($ns, @payload);
		2997	}
		2998
		2999	$ns->ext_reply ($reply, @reply)
		3000	if $reply;
		3001
		3002	} else {
		3003	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3004	}
		3005
		3006	cf::override;
		3007	},
1949	);	3008	);
1950		3009
1951	=item $client->async (\&cb)	3010	=item $client->async (\&cb)
1952		3011
1953	Create a new coroutine, running the specified callback. The coroutine will	3012	Create a new coroutine, running the specified callback. The coroutine will
…		…
1994	our $safe = new Safe "safe";	3053	our $safe = new Safe "safe";
1995	our $safe_hole = new Safe::Hole;	3054	our $safe_hole = new Safe::Hole;
1996		3055
1997	$SIG{FPE} = 'IGNORE';	3056	$SIG{FPE} = 'IGNORE';
1998		3057
1999	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3058	$safe->permit_only (Opcode::opset qw(
		3059	:base_core :base_mem :base_orig :base_math
		3060	grepstart grepwhile mapstart mapwhile
		3061	sort time
		3062	));
2000		3063
2001	# here we export the classes and methods available to script code	3064	# here we export the classes and methods available to script code
2002		3065
2003	=pod	3066	=pod
2004		3067
2005	The following fucntions and emthods are available within a safe environment:	3068	The following functions and methods are available within a safe environment:
2006		3069
2007	cf::object contr pay_amount pay_player map	3070	cf::object
		3071	contr pay_amount pay_player map x y force_find force_add destroy
		3072	insert remove name archname title slaying race decrease_ob_nr
		3073
2008	cf::object::player player	3074	cf::object::player
2009	cf::player peaceful	3075	player
2010	cf::map trigger	3076
		3077	cf::player
		3078	peaceful
		3079
		3080	cf::map
		3081	trigger
2011		3082
2012	=cut	3083	=cut
2013		3084
2014	for (	3085	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	3086	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3087	insert remove inv name archname title slaying race
		3088	decrease_ob_nr destroy)],
2016	["cf::object::player" => qw(player)],	3089	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	3090	["cf::player" => qw(peaceful)],
2018	["cf::map" => qw(trigger)],	3091	["cf::map" => qw(trigger)],
2019	) {	3092	) {
2020	no strict 'refs';	3093	no strict 'refs';
…		…
2091	=back	3164	=back
2092		3165
2093	=cut	3166	=cut
2094		3167
2095	#############################################################################	3168	#############################################################################
		3169	# the server's init and main functions
2096		3170
2097	=head2 EXTENSION DATABASE SUPPORT	3171	sub load_facedata($) {
		3172	my ($path) = @_;
2098		3173
2099	Crossfire maintains a very simple database for extension use. It can	3174	# HACK to clear player env face cache, we need some signal framework
2100	currently store anything that can be serialised using Storable, which	3175	# for this (global event?)
2101	excludes objects.	3176	%ext::player_env::MUSIC_FACE_CACHE = ();
2102		3177
2103	The parameter C<$family> should best start with the name of the extension	3178	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2104	using it, it should be unique.
2105		3179
2106	=over 4	3180	warn "loading facedata from $path\n";
2107		3181
2108	=item $hashref = cf::db_get $family	3182	my $facedata;
		3183	0 < aio_load $path, $facedata
		3184	or die "$path: $!";
2109		3185
2110	Return a hashref for use by the extension C<$family>, which can be	3186	$facedata = Coro::Storable::thaw $facedata;
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113		3187
2114	=item $value = cf::db_get $family => $key	3188	$facedata->{version} == 2
		3189	or cf::cleanup "$path: version mismatch, cannot proceed.";
2115		3190
2116	Returns a single value from the database	3191	# patch in the exptable
2117		3192	$facedata->{resource}{"res/exp_table"} = {
2118	=item cf::db_put $family => $hashref	3193	type => FT_RSRC,
2119		3194	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2120	Stores the given family hashref into the database. Updates are delayed, if
2121	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2122
2123	=item cf::db_put $family => $key => $value
2124
2125	Stores the given C<$value> in the family hash. Updates are delayed, if you
2126	want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128	=item cf::db_dirty
2129
2130	Marks the database as dirty, to be updated at a later time.
2131
2132	=item cf::db_sync
2133
2134	Immediately write the database to disk I<if it is dirty>.
2135
2136	=cut
2137
2138	our $DB;
2139
2140	{
2141	my $path = cf::localdir . "/database.pst";
2142
2143	sub db_load() {
2144	$DB = stat $path ? Storable::retrieve $path : { };
2145	}
2146
2147	my $pid;
2148
2149	sub db_save() {
2150	waitpid $pid, 0 if $pid;
2151	if (0 == ($pid = fork)) {
2152	$DB->{_meta}{version} = 1;
2153	Storable::nstore $DB, "$path~";
2154	rename "$path~", $path;
2155	cf::_exit 0 if defined $pid;
2156	}
2157	}
2158
2159	my $dirty;
2160
2161	sub db_sync() {
2162	db_save if $dirty;
2163	undef $dirty;
2164	}
2165
2166	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167	db_sync;
2168	});	3195	};
		3196	cf::cede_to_tick;
2169		3197
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}	3198	{
		3199	my $faces = $facedata->{faceinfo};
2174		3200
2175	sub db_get($;$) {	3201	while (my ($face, $info) = each %$faces) {
2176	@_ >= 2	3202	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	? $DB->{$_[0]}{$_[1]}
2178	: ($DB->{$_[0]} ||= { })
2179	}
2180		3203
2181	sub db_put($$;$) {	3204	cf::face::set_visibility $idx, $info->{visibility};
2182	if (@_ >= 3) {	3205	cf::face::set_magicmap $idx, $info->{magicmap};
2183	$DB->{$_[0]}{$_[1]} = $_[2];	3206	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2184	} else {	3207	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2185	$DB->{$_[0]} = $_[1];
2186	}
2187	db_dirty;
2188	}
2189		3208
2190	cf::global->attach (	3209	cf::cede_to_tick;
2191	prio => 10000,
2192	on_cleanup => sub {
2193	db_sync;
2194	},	3210	}
2195	);
2196	}
2197		3211
2198	#############################################################################	3212	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	3213	next unless $info->{smooth};
2200		3214
2201	sub cfg_load {	3215	my $idx = cf::face::find $face
		3216	or next;
		3217
		3218	if (my $smooth = cf::face::find $info->{smooth}) {
		3219	cf::face::set_smooth $idx, $smooth;
		3220	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3221	} else {
		3222	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3223	}
		3224
		3225	cf::cede_to_tick;
		3226	}
		3227	}
		3228
		3229	{
		3230	my $anims = $facedata->{animinfo};
		3231
		3232	while (my ($anim, $info) = each %$anims) {
		3233	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3234	cf::cede_to_tick;
		3235	}
		3236
		3237	cf::anim::invalidate_all; # d'oh
		3238	}
		3239
		3240	{
		3241	# TODO: for gcfclient pleasure, we should give resources
		3242	# that gcfclient doesn't grok a >10000 face index.
		3243	my $res = $facedata->{resource};
		3244
		3245	while (my ($name, $info) = each %$res) {
		3246	if (defined $info->{type}) {
		3247	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3248	my $data;
		3249
		3250	if ($info->{type} & 1) {
		3251	# prepend meta info
		3252
		3253	my $meta = $enc->encode ({
		3254	name => $name,
		3255	%{ $info->{meta} || {} },
		3256	});
		3257
		3258	$data = pack "(w/a*)*", $meta, $info->{data};
		3259	} else {
		3260	$data = $info->{data};
		3261	}
		3262
		3263	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3264	cf::face::set_type $idx, $info->{type};
		3265	} else {
		3266	$RESOURCE{$name} = $info;
		3267	}
		3268
		3269	cf::cede_to_tick;
		3270	}
		3271	}
		3272
		3273	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3274
		3275	1
		3276	}
		3277
		3278	cf::global->attach (on_resource_update => sub {
		3279	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3280	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3281
		3282	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3283	my $sound = $soundconf->{compat}[$_]
		3284	or next;
		3285
		3286	my $face = cf::face::find "sound/$sound->[1]";
		3287	cf::sound::set $sound->[0] => $face;
		3288	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3289	}
		3290
		3291	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3292	my $face = cf::face::find "sound/$v";
		3293	cf::sound::set $k => $face;
		3294	}
		3295	}
		3296	});
		3297
		3298	register_exticmd fx_want => sub {
		3299	my ($ns, $want) = @_;
		3300
		3301	while (my ($k, $v) = each %$want) {
		3302	$ns->fx_want ($k, $v);
		3303	}
		3304	};
		3305
		3306	sub reload_regions {
		3307	# HACK to clear player env face cache, we need some signal framework
		3308	# for this (global event?)
		3309	%ext::player_env::MUSIC_FACE_CACHE = ();
		3310
		3311	load_resource_file "$MAPDIR/regions"
		3312	or die "unable to load regions file\n";
		3313
		3314	for (cf::region::list) {
		3315	$_->{match} = qr/$_->{match}/
		3316	if exists $_->{match};
		3317	}
		3318	}
		3319
		3320	sub reload_facedata {
		3321	load_facedata "$DATADIR/facedata"
		3322	or die "unable to load facedata\n";
		3323	}
		3324
		3325	sub reload_archetypes {
		3326	load_resource_file "$DATADIR/archetypes"
		3327	or die "unable to load archetypes\n";
		3328	#d# NEED to laod twice to resolve forward references
		3329	# this really needs to be done in an extra post-pass
		3330	# (which needs to be synchronous, so solve it differently)
		3331	load_resource_file "$DATADIR/archetypes"
		3332	or die "unable to load archetypes\n";
		3333	}
		3334
		3335	sub reload_treasures {
		3336	load_resource_file "$DATADIR/treasures"
		3337	or die "unable to load treasurelists\n";
		3338	}
		3339
		3340	sub reload_resources {
		3341	warn "reloading resource files...\n";
		3342
		3343	reload_regions;
		3344	reload_facedata;
		3345	#reload_archetypes;#d#
		3346	reload_archetypes;
		3347	reload_treasures;
		3348
		3349	warn "finished reloading resource files\n";
		3350	}
		3351
		3352	sub init {
		3353	reload_resources;
		3354	}
		3355
		3356	sub reload_config {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	3357	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	3358	or return;
2204		3359
2205	local $/;	3360	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	3361	*CFG = YAML::Load <$fh>;
2207		3362
2208	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3363	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2209		3364
2210	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3365	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2211	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3366	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2221		3376
2222	sub main {	3377	sub main {
2223	# we must not ever block the main coroutine	3378	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	3379	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3380	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2226	async { Event::one_event };	3381	(async {
		3382	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3383	EV::loop EV::LOOP_ONESHOT;
		3384	})->prio (Coro::PRIO_MAX);
2227	};	3385	};
2228		3386
2229	cfg_load;	3387	reload_config;
2230	db_load;	3388	db_init;
2231	load_extensions;	3389	load_extensions;
		3390
		3391	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3392	evthread_start IO::AIO::poll_fileno;
2232	Event::loop;	3393	EV::loop;
2233	}	3394	}
2234		3395
2235	#############################################################################	3396	#############################################################################
2236	# initialisation and cleanup	3397	# initialisation and cleanup
2237		3398
2238	# install some emergency cleanup handlers	3399	# install some emergency cleanup handlers
2239	BEGIN {	3400	BEGIN {
		3401	our %SIGWATCHER = ();
2240	for my $signal (qw(INT HUP TERM)) {	3402	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	3403	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2242	data => WF_AUTOCANCEL,
2243	signal => $signal,
2244	cb => sub {
2245	cf::cleanup "SIG$signal";	3404	cf::cleanup "SIG$signal";
2246	},
2247	);	3405	};
		3406	}
		3407	}
		3408
		3409	sub write_runtime_sync {
		3410	my $runtime = "$LOCALDIR/runtime";
		3411
		3412	# first touch the runtime file to show we are still running:
		3413	# the fsync below can take a very very long time.
		3414
		3415	IO::AIO::aio_utime $runtime, undef, undef;
		3416
		3417	my $guard = cf::lock_acquire "write_runtime";
		3418
		3419	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3420	or return;
		3421
		3422	my $value = $cf::RUNTIME + 90 + 10;
		3423	# 10 is the runtime save interval, for a monotonic clock
		3424	# 60 allows for the watchdog to kill the server.
		3425
		3426	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3427	and return;
		3428
		3429	# always fsync - this file is important
		3430	aio_fsync $fh
		3431	and return;
		3432
		3433	# touch it again to show we are up-to-date
		3434	aio_utime $fh, undef, undef;
		3435
		3436	close $fh
		3437	or return;
		3438
		3439	aio_rename "$runtime~", $runtime
		3440	and return;
		3441
		3442	warn "runtime file written.\n";
		3443
2248	}	3444	1
		3445	}
		3446
		3447	our $uuid_lock;
		3448	our $uuid_skip;
		3449
		3450	sub write_uuid_sync($) {
		3451	$uuid_skip ||= $_[0];
		3452
		3453	return if $uuid_lock;
		3454	local $uuid_lock = 1;
		3455
		3456	my $uuid = "$LOCALDIR/uuid";
		3457
		3458	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3459	or return;
		3460
		3461	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3462	$uuid_skip = 0;
		3463
		3464	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3465	and return;
		3466
		3467	# always fsync - this file is important
		3468	aio_fsync $fh
		3469	and return;
		3470
		3471	close $fh
		3472	or return;
		3473
		3474	aio_rename "$uuid~", $uuid
		3475	and return;
		3476
		3477	warn "uuid file written ($value).\n";
		3478
		3479	1
		3480
		3481	}
		3482
		3483	sub write_uuid($$) {
		3484	my ($skip, $sync) = @_;
		3485
		3486	$sync ? write_uuid_sync $skip
		3487	: async { write_uuid_sync $skip };
2249	}	3488	}
2250		3489
2251	sub emergency_save() {	3490	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	3491	my $freeze_guard = cf::freeze_mainloop;
2253		3492
2254	warn "enter emergency perl save\n";	3493	warn "enter emergency perl save\n";
2255		3494
2256	cf::sync_job {	3495	cf::sync_job {
2257	# use a peculiar iteration method to avoid tripping on perl	3496	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	3497	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	3498	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	3499	warn "begin emergency player save\n";
2261	for my $login (keys %cf::PLAYER) {	3500	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	3501	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	3502	$pl->valid or next;
		3503	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2264	$pl->save;	3504	$pl->save;
2265	}	3505	}
2266	warn "end emergency player save\n";	3506	warn "end emergency player save\n";
2267		3507
2268	warn "begin emergency map save\n";	3508	warn "begin emergency map save\n";
…		…
2270	my $map = $cf::MAP{$path} or next;	3510	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	3511	$map->valid or next;
2272	$map->save;	3512	$map->save;
2273	}	3513	}
2274	warn "end emergency map save\n";	3514	warn "end emergency map save\n";
		3515
		3516	warn "begin emergency database checkpoint\n";
		3517	BDB::db_env_txn_checkpoint $DB_ENV;
		3518	warn "end emergency database checkpoint\n";
		3519
		3520	warn "begin write uuid\n";
		3521	write_uuid_sync 1;
		3522	warn "end write uuid\n";
2275	};	3523	};
2276		3524
2277	warn "leave emergency perl save\n";	3525	warn "leave emergency perl save\n";
2278	}	3526	}
2279		3527
		3528	sub post_cleanup {
		3529	my ($make_core) = @_;
		3530
		3531	warn Carp::longmess "post_cleanup backtrace"
		3532	if $make_core;
		3533	}
		3534
2280	sub reload() {	3535	sub do_reload_perl() {
2281	# can/must only be called in main	3536	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	3537	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	3538	warn "can only reload from main coroutine";
2284	return;	3539	return;
2285	}	3540	}
2286		3541
2287	warn "reloading...";	3542	warn "reloading...";
2288		3543
2289	warn "freezing server";	3544	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	3545
		3546	cf::sync_job {
		3547	cf::write_runtime_sync; # external watchdog should not bark
2291	cf::emergency_save;	3548	cf::emergency_save;
		3549	cf::write_runtime_sync; # external watchdog should not bark
2292		3550
2293	warn "sync database to disk";	3551	warn "syncing database to disk";
2294	cf::db_sync;	3552	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		3553
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	3554	# if anything goes wrong in here, we should simply crash as we already saved
2299		3555
2300	warn "cancel all watchers";	3556	warn "flushing outstanding aio requests";
2301	for (Event::all_watchers) {	3557	for (;;) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	3558	BDB::flush;
		3559	IO::AIO::flush;
		3560	Coro::cede_notself;
		3561	last unless IO::AIO::nreqs || BDB::nreqs;
		3562	warn "iterate...";
2303	}	3563	}
2304		3564
		3565	++$RELOAD;
		3566
2305	warn "cancel all extension coros";	3567	warn "cancelling all extension coros";
2306	$_->cancel for values %EXT_CORO;	3568	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();	3569	%EXT_CORO = ();
2308		3570
2309	warn "remove commands";	3571	warn "removing commands";
2310	%COMMAND = ();	3572	%COMMAND = ();
2311		3573
2312	warn "remove ext commands";	3574	warn "removing ext/exti commands";
2313	%EXTCMD = ();	3575	%EXTCMD = ();
		3576	%EXTICMD = ();
2314		3577
2315	warn "unload/nuke all extensions";	3578	warn "unloading/nuking all extensions";
2316	for my $pkg (@EXTS) {	3579	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";	3580	warn "... unloading $pkg";
2318		3581
2319	if (my $cb = $pkg->can ("unload")) {	3582	if (my $cb = $pkg->can ("unload")) {
2320	eval {	3583	eval {
…		…
2325		3588
2326	warn "... nuking $pkg";	3589	warn "... nuking $pkg";
2327	Symbol::delete_package $pkg;	3590	Symbol::delete_package $pkg;
2328	}	3591	}
2329		3592
2330	warn "unload all perl modules loaded from $LIBDIR";	3593	warn "unloading all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {	3594	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3595	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333		3596
2334	warn "removing <$k>";	3597	warn "... unloading $k";
2335	delete $INC{$k};	3598	delete $INC{$k};
2336		3599
2337	$k =~ s/\.pm$//;	3600	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;	3601	$k =~ s/\//::/g;
2339		3602
…		…
2342	}	3605	}
2343		3606
2344	Symbol::delete_package $k;	3607	Symbol::delete_package $k;
2345	}	3608	}
2346		3609
2347	warn "get rid of safe::, as good as possible";	3610	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	3611	Symbol::delete_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3612	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		3613
2351	warn "unload cf.pm \"a bit\"";	3614	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	3615	delete $INC{"cf.pm"};
		3616	delete $INC{"cf/pod.pm"};
2353		3617
2354	# don't, removes xs symbols, too,	3618	# don't, removes xs symbols, too,
2355	# and global variables created in xs	3619	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	3620	#Symbol::delete_package __PACKAGE__;
2357		3621
		3622	warn "unload completed, starting to reload now";
		3623
2358	warn "reloading cf.pm";	3624	warn "reloading cf.pm";
2359	require cf;	3625	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3626	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		3627
2362	warn "load config and database again";	3628	warn "loading config and database again";
2363	cf::cfg_load;	3629	cf::reload_config;
2364	cf::db_load;
2365		3630
2366	warn "load extensions";	3631	warn "loading extensions";
2367	cf::load_extensions;	3632	cf::load_extensions;
2368		3633
2369	warn "reattach attachments to objects/players";	3634	warn "reattaching attachments to objects/players";
2370	_global_reattach;	3635	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	3636	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	3637	reattach $_ for values %MAP;
		3638	warn "reattaching attachments to players";
		3639	reattach $_ for values %PLAYER;
		3640
		3641	warn "leaving sync_job";
		3642
		3643	1
		3644	} or do {
		3645	warn $@;
		3646	cf::cleanup "error while reloading, exiting.";
2373	};	3647	};
2374
2375	if ($@) {
2376	warn $@;
2377	warn "error while reloading, exiting.";
2378	exit 1;
2379	}
2380		3648
2381	warn "reloaded";	3649	warn "reloaded";
2382	};	3650	};
2383		3651
		3652	our $RELOAD_WATCHER; # used only during reload
		3653
		3654	sub reload_perl() {
		3655	# doing reload synchronously and two reloads happen back-to-back,
		3656	# coro crashes during coro_state_free->destroy here.
		3657
		3658	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3659	do_reload_perl;
		3660	undef $RELOAD_WATCHER;
		3661	};
		3662	}
		3663
2384	register_command "reload" => sub {	3664	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	3665	my ($who, $arg) = @_;
2386		3666
2387	if ($who->flag (FLAG_WIZ)) {	3667	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	3668	$who->message ("reloading server.");
		3669	async {
		3670	$Coro::current->{desc} = "perl_reload";
		3671	reload_perl;
		3672	};
2391	}	3673	}
2392	};	3674	};
2393		3675
2394	unshift @INC, $LIBDIR;	3676	unshift @INC, $LIBDIR;
2395		3677
2396	$TICK_WATCHER = Event->timer (	3678	my $bug_warning = 0;
2397	reentrant => 0,
2398	prio => 0,
2399	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,
2401	cb => sub {
2402	$NOW = Event::time;
2403		3679
		3680	our @WAIT_FOR_TICK;
		3681	our @WAIT_FOR_TICK_BEGIN;
		3682
		3683	sub wait_for_tick {
		3684	return if tick_inhibit;
		3685	return if $Coro::current == $Coro::main;
		3686
		3687	my $signal = new Coro::Signal;
		3688	push @WAIT_FOR_TICK, $signal;
		3689	$signal->wait;
		3690	}
		3691
		3692	sub wait_for_tick_begin {
		3693	return if tick_inhibit;
		3694	return if $Coro::current == $Coro::main;
		3695
		3696	my $signal = new Coro::Signal;
		3697	push @WAIT_FOR_TICK_BEGIN, $signal;
		3698	$signal->wait;
		3699	}
		3700
		3701	sub tick {
		3702	if ($Coro::current != $Coro::main) {
		3703	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3704	unless ++$bug_warning > 10;
		3705	return;
		3706	}
		3707
2404	cf::server_tick; # one server iteration	3708	cf::server_tick; # one server iteration
2405	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;
2407		3709
2408	$WAIT_FOR_TICK->broadcast;	3710	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3711	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2410		3712	Coro::async_pool {
2411	# if we are delayed by four ticks or more, skip them all	3713	$Coro::current->{desc} = "runtime saver";
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2413
2414	$TICK_WATCHER->at ($NEXT_TICK);
2415	$TICK_WATCHER->start;
2416	},
2417	);
2418
2419	IO::AIO::max_poll_time $TICK * 0.2;
2420
2421	Event->io (
2422	fd => IO::AIO::poll_fileno,
2423	poll => 'r',
2424	prio => 5,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,
2431	after => 0,
2432	interval => 10,
2433	cb => sub {
2434	(Coro::unblock_sub {
2435	write_runtime	3714	write_runtime_sync
2436	or warn "ERROR: unable to write runtime file: $!";	3715	or warn "ERROR: unable to write runtime file: $!";
2437	})->();	3716	};
2438	},	3717	}
2439	);	3718
		3719	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3720	$sig->send;
		3721	}
		3722	while (my $sig = shift @WAIT_FOR_TICK) {
		3723	$sig->send;
		3724	}
		3725
		3726	$LOAD = ($NOW - $TICK_START) / $TICK;
		3727	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3728
		3729	if (0) {
		3730	if ($NEXT_TICK) {
		3731	my $jitter = $TICK_START - $NEXT_TICK;
		3732	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3733	warn "jitter $JITTER\n";#d#
		3734	}
		3735	}
		3736	}
		3737
		3738	{
		3739	# configure BDB
		3740
		3741	BDB::min_parallel 8;
		3742	BDB::max_poll_reqs $TICK * 0.1;
		3743	$Coro::BDB::WATCHER->priority (1);
		3744
		3745	unless ($DB_ENV) {
		3746	$DB_ENV = BDB::db_env_create;
		3747	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3748	| BDB::LOG_AUTOREMOVE, 1);
		3749	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3750	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3751
		3752	cf::sync_job {
		3753	eval {
		3754	BDB::db_env_open
		3755	$DB_ENV,
		3756	$BDBDIR,
		3757	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3758	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3759	0666;
		3760
		3761	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3762	};
		3763
		3764	cf::cleanup "db_env_open(db): $@" if $@;
		3765	};
		3766	}
		3767
		3768	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3769	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3770	};
		3771	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3772	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3773	};
		3774	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3775	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3776	};
		3777	}
		3778
		3779	{
		3780	# configure IO::AIO
		3781
		3782	IO::AIO::min_parallel 8;
		3783	IO::AIO::max_poll_time $TICK * 0.1;
		3784	$Coro::AIO::WATCHER->priority (1);
		3785	}
		3786
		3787	my $_log_backtrace;
		3788
		3789	sub _log_backtrace {
		3790	my ($msg, @addr) = @_;
		3791
		3792	$msg =~ s/\n//;
		3793
		3794	# limit the # of concurrent backtraces
		3795	if ($_log_backtrace < 2) {
		3796	++$_log_backtrace;
		3797	async {
		3798	$Coro::current->{desc} = "abt $msg";
		3799
		3800	my @bt = fork_call {
		3801	@addr = map { sprintf "%x", $_ } @addr;
		3802	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3803	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3804	or die "addr2line: $!";
		3805
		3806	my @funcs;
		3807	my @res = <$fh>;
		3808	chomp for @res;
		3809	while (@res) {
		3810	my ($func, $line) = splice @res, 0, 2, ();
		3811	push @funcs, "[$func] $line";
		3812	}
		3813
		3814	@funcs
		3815	};
		3816
		3817	LOG llevInfo, "[ABT] $msg\n";
		3818	LOG llevInfo, "[ABT] $_\n" for @bt;
		3819	--$_log_backtrace;
		3820	};
		3821	} else {
		3822	LOG llevInfo, "[ABT] $msg\n";
		3823	LOG llevInfo, "[ABT] [suppressed]\n";
		3824	}
		3825	}
		3826
		3827	# load additional modules
		3828	use cf::pod;
2440		3829
2441	END { cf::emergency_save }	3830	END { cf::emergency_save }
2442		3831
2443	1	3832	1
2444		3833

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