ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.167 by root, Sat Jan 13 23:32:43 2007 UTC vs.
Revision 1.421 by root, Tue Apr 15 18:43:11 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	return if tick_inhibit;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
265	}	443	}
266		444
267	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
268		446
269	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		452
275	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
276		454
277	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
278		456
279	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
282		461
283	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
286	fast or be very important.	465	fast or be very important.
…		…
289		468
290	sub sync_job(&) {	469	sub sync_job(&) {
291	my ($job) = @_;	470	my ($job) = @_;
292		471
293	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
294	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
296		477
297	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	479
299	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
300		481
301	my $busy = 1;	482	my $busy = 1;
302	my @res;	483	my @res;
303		484
304	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	487	@res = eval { $job->() };
306	warn $@ if $@;	488	warn $@ if $@;
307	undef $busy;	489	undef $busy;
308	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
309		491
310	while ($busy) {	492	while ($busy) {
311	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
312	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
313		503
314	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
315	} else {	505	} else {
316	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
317		507
…		…
337	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
338		528
339	$coro	529	$coro
340	}	530	}
341		531
342	sub write_runtime {	532	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		533
345	my $runtime = cf::localdir . "/runtime";	534	Executes the given code block with the given arguments in a seperate
		535	process, returning the results. Everything must be serialisable with
		536	Coro::Storable. May, of course, block. Note that the executed sub may
		537	never block itself or use any form of event handling.
346		538
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	539	=cut
348	or return;
349		540
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	541	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	542	my ($cb, @args) = @_;
352	and return;
353		543
354	aio_fsync $fh	544	# we seemingly have to make a local copy of the whole thing,
355	and return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
356		547
357	close $fh	548	my @res = Coro::Util::fork_eval {
358	or return;	549	reset_signals;
		550	&$cb
		551	}, @args;
359		552
360	aio_rename "$runtime~", $runtime	553	wantarray ? @res : $res[-1]
361	and return;	554	}
362		555
		556	=item $coin = coin_from_name $name
		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
		581	}
		582
		583	=item $value = cf::db_get $family => $key
		584
		585	Returns a single value from the environment database.
		586
		587	=item cf::db_put $family => $key => $value
		588
		589	Stores the given C<$value> in the family. It can currently store binary
		590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
		597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
		610	};
		611	cf::cleanup "db_open(db): $@" if $@;
		612
		613	$db
		614	}
		615
		616	our $DB;
		617
		618	sub db_init {
		619	cf::sync_job {
		620	$DB ||= db_table "db";
		621	};
		622	}
		623
		624	sub db_get($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
363	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		636	BDB::dbreq_pri 4;
		637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		638	}
		639
		640	=item cf::cache $id => [$paths...], $processversion => $process
		641
		642	Generic caching function that returns the value of the resource $id,
		643	caching and regenerating as required.
		644
		645	This function can block.
		646
		647	=cut
		648
		649	sub cache {
		650	my ($id, $src, $processversion, $process) = @_;
		651
		652	my $meta =
		653	join "\x00",
		654	$processversion,
		655	map {
		656	aio_stat $_
		657	and Carp::croak "$_: $!";
		658
		659	($_, (stat _)[7,9])
		660	} @$src;
		661
		662	my $dbmeta = db_get cache => "$id/meta";
		663	if ($dbmeta ne $meta) {
		664	# changed, we may need to process
		665
		666	my @data;
		667	my $md5;
		668
		669	for (0 .. $#$src) {
		670	0 <= aio_load $src->[$_], $data[$_]
		671	or Carp::croak "$src->[$_]: $!";
		672	}
		673
		674	# if processing is expensive, check
		675	# checksum first
		676	if (1) {
		677	$md5 =
		678	join "\x00",
		679	$processversion,
		680	map {
		681	cf::cede_to_tick;
		682	($src->[$_], Digest::MD5::md5_hex $data[$_])
		683	} 0.. $#$src;
		684
		685
		686	my $dbmd5 = db_get cache => "$id/md5";
		687	if ($dbmd5 eq $md5) {
		688	db_put cache => "$id/meta", $meta;
		689
		690	return db_get cache => "$id/data";
		691	}
		692	}
		693
		694	my $t1 = Time::HiRes::time;
		695	my $data = $process->(\@data);
		696	my $t2 = Time::HiRes::time;
		697
		698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		699
		700	db_put cache => "$id/data", $data;
		701	db_put cache => "$id/md5" , $md5;
		702	db_put cache => "$id/meta", $meta;
		703
		704	return $data;
		705	}
		706
		707	db_get cache => "$id/data"
		708	}
		709
		710	=item cf::datalog type => key => value, ...
		711
		712	Log a datalog packet of the given type with the given key-value pairs.
		713
		714	=cut
		715
		716	sub datalog($@) {
		717	my ($type, %kv) = @_;
		718	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	719	}
365		720
366	=back	721	=back
367		722
368	=cut	723	=cut
…		…
375	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
376	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
377		732
378	In the following description, CLASS can be any of C<global>, C<object>	733	In the following description, CLASS can be any of C<global>, C<object>
379	C<player>, C<client> or C<map> (i.e. the attachable objects in	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
380	crossfire+).	735	Deliantra).
381		736
382	=over 4	737	=over 4
383		738
384	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
385		740
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	854	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	855	our @CB_MAP = ();
501		856
502	my %attachment;	857	my %attachment;
503		858
		859	sub cf::attachable::thawer_merge {
		860	# simply override everything except _meta
		861	local $_[0]{_meta};
		862	%{$_[0]} = %{$_[1]};
		863	}
		864
504	sub _attach_cb($$$$) {	865	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	866	my ($registry, $event, $prio, $cb) = @_;
506		867
507	use sort 'stable';	868	use sort 'stable';
508		869
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
543		904
544	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		909
549	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	911	my $pkg = shift @arg;
551		912
552	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
582	}	943	}
583		944
584	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
585	} else {	946	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	948	}
588		949
589	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
590	}	951	}
591		952
…		…
593	if (ref $_[0]) {	954	if (ref $_[0]) {
594	_object_attach @_;	955	_object_attach @_;
595	} else {	956	} else {
596	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
597	}	958	}
		959	_recalc_want;
598	};	960	};
599		961
600	# all those should be optimised	962	# all those should be optimised
601	sub cf::attachable::detach {	963	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
606	reattach ($obj);	968	reattach ($obj);
607	} else {	969	} else {
608	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
609	}	971	}
		972	_recalc_want;
610	};	973	};
611		974
612	sub cf::attachable::attached {	975	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
614		977
…		…
629	";	992	";
630	die if $@;	993	die if $@;
631	}	994	}
632		995
633	our $override;	996	our $override;
634	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	997	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
635		998
636	sub override {	999	sub override {
637	$override = 1;	1000	$override = 1;
638	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
639	}	1002	}
640		1003
641	sub do_invoke {	1004	sub do_invoke {
642	my $event = shift;	1005	my $event = shift;
643	my $callbacks = shift;	1006	my $callbacks = shift;
644		1007
645	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
646		1009
647	local $override;	1010	local $override;
648		1011
649	for (@$callbacks) {	1012	for (@$callbacks) {
650	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
659	}	1022	}
660		1023
661	0	1024	0
662	}	1025	}
663		1026
664	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
665		1028
666	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
667		1030
668	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
669		1032
670	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1033	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
671	removed in future versions), and there is no public API to access override	1034	removed in future versions), and there is no public API to access override
672	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		1036
674	=back	1037	=back
675		1038
676	=cut	1039	=cut
677		1040
678	#############################################################################	1041	#############################################################################
679	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
680		1085
681	sub reattach {	1086	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	1088	my ($obj) = @_;
		1089
		1090	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		1091
685	my $registry = $obj->registry;	1092	my $registry = $obj->registry;
686		1093
687	@$registry = ();	1094	@$registry = ();
688		1095
…		…
703	cf::attachable->attach (	1110	cf::attachable->attach (
704	prio => -1000000,	1111	prio => -1000000,
705	on_instantiate => sub {	1112	on_instantiate => sub {
706	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
707		1114
708	$data = from_json $data;	1115	$data = decode_json $data;
709		1116
710	for (@$data) {	1117	for (@$data) {
711	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
712		1119
713	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
729	sub object_freezer_save {	1136	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
731		1138
732	sync_job {	1139	sync_job {
733	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
734	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
736		1144
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1146	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1148	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1149	close $fh;
742		1150
743	if (@$objs) {	1151	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	1153	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1156	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1157	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
751	}	1159	}
752	} else {	1160	} else {
753	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
…		…
759	}	1167	}
760	} else {	1168	} else {
761	aio_unlink $filename;	1169	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
763	}	1171	}
764	}	1172	};
765	}	1173	}
766		1174
767	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
769		1177
…		…
781	or return;	1189	or return;
782		1190
783	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
785	or return;	1193	or return;
		1194
786	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
787	}	1197	}
788		1198
		1199	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
791	return ($data, $av);	1203	($data, $av)
792	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
793		1211
794	#############################################################################	1212	#############################################################################
795	# command handling &c	1213	# command handling &c
796		1214
797	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1229	}
812		1230
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1232
815	Register a callbackf ro execution when the client sends an extcmd packet.	1233	Register a callback for execution when the client sends an (synchronous)
		1234	extcmd packet. Ext commands will be processed in the order they are
		1235	received by the server, like other user commands. The first argument is
		1236	the logged-in player. Ext commands can only be processed after a player
		1237	has logged in successfully.
816		1238
817	If the callback returns something, it is sent back as if reply was being	1239	If the callback returns something, it is sent back as if reply was being
818	called.	1240	called.
819		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
820	=cut	1253	=cut
821		1254
822	sub register_extcmd {	1255	sub register_extcmd {
823	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
824		1257
825	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
826	}	1265	}
827		1266
828	cf::player->attach (	1267	cf::player->attach (
829	on_command => sub {	1268	on_command => sub {
830	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1278	cf::override;
840	},	1279	},
841	on_extcmd => sub {	1280	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
843		1282
844	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1284
846	if (ref $msg) {	1285	if (ref $msg) {
		1286	my ($type, $reply, @payload) =
		1287	"ARRAY" eq ref $msg
		1288	? @$msg
		1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1290
		1291	my @reply;
		1292
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
852	} else {	1300	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1302	}
855		1303
856	cf::override;	1304	cf::override;
857	},	1305	},
858	);	1306	);
859		1307
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 {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
895	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1313	next unless -r $path;
897	eval {	1314
898	load_extension $ext;	1315	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1316	my $base = $1;
		1317	my $pkg = $1;
		1318	$pkg =~ s/[^[:word:]]/_/g;
		1319	$pkg = "ext::$pkg";
		1320
		1321	open my $fh, "<:utf8", $path
		1322	or die "$path: $!";
		1323
		1324	my $source = do { local $/; <$fh> };
		1325
		1326	my %ext = (
		1327	path => $path,
		1328	base => $base,
		1329	pkg => $pkg,
		1330	);
		1331
		1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1334
		1335	$ext{source} =
		1336	"package $pkg; use strict; use utf8;\n"
		1337	. "#line 1 \"$path\"\n{\n"
		1338	. $source
		1339	. "\n};\n1";
		1340
		1341	$todo{$base} = \%ext;
		1342	}
		1343
		1344	my %done;
		1345	while (%todo) {
		1346	my $progress;
		1347
		1348	while (my ($k, $v) = each %todo) {
		1349	for (split /,\s*/, $v->{meta}{depends}) {
		1350	goto skip
		1351	unless exists $done{$_};
		1352	}
		1353
		1354	warn "... loading '$k' into '$v->{pkg}'\n";
		1355
		1356	unless (eval $v->{source}) {
		1357	my $msg = $@ ? "$v->{path}: $@\n"
		1358	: "$v->{base}: extension inactive.\n";
		1359
		1360	if (exists $v->{meta}{mandatory}) {
		1361	warn $msg;
		1362	cf::cleanup "mandatory extension failed to load, exiting.";
		1363	}
		1364
		1365	warn $msg;
		1366	}
		1367
		1368	$done{$k} = delete $todo{$k};
		1369	push @EXTS, $v->{pkg};
		1370	$progress = 1;
899	1	1371	}
900	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
901	}	1377	};
902	}	1378	}
903		1379
904	#############################################################################	1380	#############################################################################
905		1381
		1382	=back
		1383
906	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
907		1385
908	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
909		1387
910	=cut	1388	=cut
…		…
915		1393
916	=head3 cf::player	1394	=head3 cf::player
917		1395
918	=over 4	1396	=over 4
919		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
		1411
920	=item cf::player::find $login	1412	=item cf::player::find $login
921		1413
922	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
923		1415
924	=cut	1416	=cut
925		1417
926	sub playerdir($) {	1418	sub playerdir($) {
927	cf::localdir	1419	"$PLAYERDIR/"
928	. "/"
929	. cf::playerdir
930	. "/"
931	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
932	}	1421	}
933		1422
934	sub path($) {	1423	sub path($) {
935	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
936		1425
937	(playerdir $login) . "/$login.pl"	1426	(playerdir $login) . "/playerdata"
938	}	1427	}
939		1428
940	sub find_active($) {	1429	sub find_active($) {
941	$cf::PLAYER{$_[0]}	1430	$cf::PLAYER{$_[0]}
942	and $cf::PLAYER{$_[0]}->active	1431	and $cf::PLAYER{$_[0]}->active
…		…
945		1434
946	sub exists($) {	1435	sub exists($) {
947	my ($login) = @_;	1436	my ($login) = @_;
948		1437
949	$cf::PLAYER{$login}	1438	$cf::PLAYER{$login}
950	or cf::sync_job { !aio_stat $login }	1439	or cf::sync_job { !aio_stat path $login }
951	}	1440	}
952		1441
953	sub find($) {	1442	sub find($) {
954	return $cf::PLAYER{$_[0]} || do {	1443	return $cf::PLAYER{$_[0]} || do {
955	my $login = $_[0];	1444	my $login = $_[0];
956		1445
957	my $guard = cf::lock_acquire "user_find:$login";	1446	my $guard = cf::lock_acquire "user_find:$login";
958		1447
959	$cf::PLAYER{$_[0]} || do {	1448	$cf::PLAYER{$_[0]} || do {
960	my $pl = load_pl path $login	1449	# rename old playerfiles to new ones
		1450	#TODO: remove when no longer required
		1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1454	aio_unlink +(playerdir $login) . "/$login.pl";
		1455
		1456	my $f = new_from_file cf::object::thawer path $login
961	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461	local $cf::PLAYER_LOADING{$login} = $pl;
		1462	$f->resolve_delayed_derefs;
962	$cf::PLAYER{$login} = $pl	1463	$cf::PLAYER{$login} = $pl
963	}	1464	}
964	}	1465	}
965	}	1466	}
966		1467
…		…
975	return if $pl->{deny_save};	1476	return if $pl->{deny_save};
976		1477
977	aio_mkdir playerdir $pl, 0770;	1478	aio_mkdir playerdir $pl, 0770;
978	$pl->{last_save} = $cf::RUNTIME;	1479	$pl->{last_save} = $cf::RUNTIME;
979		1480
		1481	cf::get_slot 0.01;
		1482
980	$pl->save_pl ($path);	1483	$pl->save_pl ($path);
981	Coro::cede;	1484	cf::cede_to_tick;
982	}	1485	}
983		1486
984	sub new($) {	1487	sub new($) {
985	my ($login) = @_;	1488	my ($login) = @_;
986		1489
…		…
992	$cf::PLAYER{$login} = $self;	1495	$cf::PLAYER{$login} = $self;
993		1496
994	$self	1497	$self
995	}	1498	}
996		1499
		1500	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1501
		1502	=cut
		1503
		1504	sub send_msg {
		1505	my $ns = shift->ns
		1506	or return;
		1507	$ns->send_msg (@_);
		1508	}
		1509
997	=item $pl->quit_character	1510	=item $pl->quit_character
998		1511
999	Nukes the player without looking back. If logged in, the connection will	1512	Nukes the player without looking back. If logged in, the connection will
1000	be destroyed. May block for a long time.	1513	be destroyed. May block for a long time.
1001		1514
1002	=cut	1515	=cut
1003		1516
1004	sub quit_character {	1517	sub quit_character {
1005	my ($pl) = @_;	1518	my ($pl) = @_;
		1519
		1520	my $name = $pl->ob->name;
1006		1521
1007	$pl->{deny_save} = 1;	1522	$pl->{deny_save} = 1;
1008	$pl->password ("*"); # this should lock out the player until we nuked the dir	1523	$pl->password ("*"); # this should lock out the player until we nuked the dir
1009		1524
1010	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1525	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1015	my $path = playerdir $pl;	1530	my $path = playerdir $pl;
1016	my $temp = "$path~$cf::RUNTIME~deleting~";	1531	my $temp = "$path~$cf::RUNTIME~deleting~";
1017	aio_rename $path, $temp;	1532	aio_rename $path, $temp;
1018	delete $cf::PLAYER{$pl->ob->name};	1533	delete $cf::PLAYER{$pl->ob->name};
1019	$pl->destroy;	1534	$pl->destroy;
		1535
		1536	my $prefix = qr<^~\Q$name\E/>;
		1537
		1538	# nuke player maps
		1539	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1540
1020	IO::AIO::aio_rmtree $temp;	1541	IO::AIO::aio_rmtree $temp;
		1542	}
		1543
		1544	=item $pl->kick
		1545
		1546	Kicks a player out of the game. This destroys the connection.
		1547
		1548	=cut
		1549
		1550	sub kick {
		1551	my ($pl, $kicker) = @_;
		1552
		1553	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1554	$pl->killer ("kicked");
		1555	$pl->ns->destroy;
1021	}	1556	}
1022		1557
1023	=item cf::player::list_logins	1558	=item cf::player::list_logins
1024		1559
1025	Returns am arrayref of all valid playernames in the system, can take a	1560	Returns am arrayref of all valid playernames in the system, can take a
1026	while and may block, so not sync_job-capable, ever.	1561	while and may block, so not sync_job-capable, ever.
1027		1562
1028	=cut	1563	=cut
1029		1564
1030	sub list_logins {	1565	sub list_logins {
1031	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1566	my $dirs = aio_readdir $PLAYERDIR
1032	or return [];	1567	or return [];
1033		1568
1034	my @logins;	1569	my @logins;
1035		1570
1036	for my $login (@$dirs) {	1571	for my $login (@$dirs) {
		1572	my $path = path $login;
		1573
		1574	# a .pst is a dead give-away for a valid player
		1575	unless (-e "$path.pst") {
1037	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1038	aio_read $fh, 0, 512, my $buf, 0 or next;	1577	aio_read $fh, 0, 512, my $buf, 0 or next;
1039	$buf !~ /^password -------------$/m or next; # official not-valid tag	1578	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1579	}
1040		1580
1041	utf8::decode $login;	1581	utf8::decode $login;
1042	push @logins, $login;	1582	push @logins, $login;
1043	}	1583	}
1044		1584
…		…
1052		1592
1053	=cut	1593	=cut
1054		1594
1055	sub maps($) {	1595	sub maps($) {
1056	my ($pl) = @_;	1596	my ($pl) = @_;
		1597
		1598	$pl = ref $pl ? $pl->ob->name : $pl;
1057		1599
1058	my $files = aio_readdir playerdir $pl	1600	my $files = aio_readdir playerdir $pl
1059	or return;	1601	or return;
1060		1602
1061	my @paths;	1603	my @paths;
…		…
1063	for (@$files) {	1605	for (@$files) {
1064	utf8::decode $_;	1606	utf8::decode $_;
1065	next if /\.(?:pl|pst)$/;	1607	next if /\.(?:pl|pst)$/;
1066	next unless /^$PATH_SEP/o;	1608	next unless /^$PATH_SEP/o;
1067		1609
1068	s/\.map$//;	1610	push @paths, cf::map::normalise "~$pl/$_";
1069	push @paths, "~" . $pl->ob->name . "/" . $_;
1070	}	1611	}
1071		1612
1072	\@paths	1613	\@paths
1073	}	1614	}
1074		1615
		1616	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1617
		1618	Expand crossfire pod fragments into protocol xml.
		1619
		1620	=cut
		1621
		1622	use re 'eval';
		1623
		1624	my $group;
		1625	my $interior; $interior = qr{
		1626	# match a pod interior sequence sans C<< >>
		1627	(?:
		1628	\ (.*?)\ (?{ $group = $^N })
		1629	| < (??{$interior}) >
		1630	)
		1631	}x;
		1632
		1633	sub expand_cfpod {
		1634	my ($self, $pod) = @_;
		1635
		1636	my $xml;
		1637
		1638	while () {
		1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1640	$group = $1;
		1641
		1642	$group =~ s/&/&amp;/g;
		1643	$group =~ s/</&lt;/g;
		1644
		1645	$xml .= $group;
		1646	} elsif ($pod =~ m%\G
		1647	([BCGHITU])
		1648	<
		1649	(?:
		1650	([^<>]*) (?{ $group = $^N })
		1651	| < $interior >
		1652	)
		1653	>
		1654	%gcsx
		1655	) {
		1656	my ($code, $data) = ($1, $group);
		1657
		1658	if ($code eq "B") {
		1659	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1660	} elsif ($code eq "I") {
		1661	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1662	} elsif ($code eq "U") {
		1663	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1664	} elsif ($code eq "C") {
		1665	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1666	} elsif ($code eq "T") {
		1667	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1668	} elsif ($code eq "G") {
		1669	my ($male, $female) = split /\|/, $data;
		1670	$data = $self->gender ? $female : $male;
		1671	$xml .= expand_cfpod ($self, $data);
		1672	} elsif ($code eq "H") {
		1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1675	"")
		1676	[$self->{hintmode}];
		1677	} else {
		1678	$xml .= "error processing '$code($data)' directive";
		1679	}
		1680	} else {
		1681	if ($pod =~ /\G(.+)/) {
		1682	warn "parse error while expanding $pod (at $1)";
		1683	}
		1684	last;
		1685	}
		1686	}
		1687
		1688	for ($xml) {
		1689	# create single paragraphs (very hackish)
		1690	s/(?<=\S)\n(?=\w)/ /g;
		1691
		1692	# compress some whitespace
		1693	s/\s+\n/\n/g; # ws line-ends
		1694	s/\n\n+/\n/g; # double lines
		1695	s/^\n+//; # beginning lines
		1696	s/\n+$//; # ending lines
		1697	}
		1698
		1699	$xml
		1700	}
		1701
		1702	no re 'eval';
		1703
		1704	sub hintmode {
		1705	$_[0]{hintmode} = $_[1] if @_ > 1;
		1706	$_[0]{hintmode}
		1707	}
		1708
1075	=item $player->ext_reply ($msgid, $msgtype, %msg)	1709	=item $player->ext_reply ($msgid, @msg)
1076		1710
1077	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1078		1712
1079	=cut	1713	=cut
1080		1714
1081	sub ext_reply($$$%) {	1715	sub ext_reply($$@) {
1082	my ($self, $id, %msg) = @_;	1716	my ($self, $id, @msg) = @_;
1083		1717
1084	$msg{msgid} = $id;	1718	$self->ns->ext_reply ($id, @msg)
1085
1086	$self->send ("ext " . cf::to_json \%msg);
1087	}	1719	}
1088		1720
1089	package cf;	1721	=item $player->ext_msg ($type, @msg)
		1722
		1723	Sends an ext event to the client.
		1724
		1725	=cut
		1726
		1727	sub ext_msg($$@) {
		1728	my ($self, $type, @msg) = @_;
		1729
		1730	$self->ns->ext_msg ($type, @msg);
		1731	}
		1732
		1733	=head3 cf::region
		1734
		1735	=over 4
		1736
		1737	=cut
		1738
		1739	package cf::region;
		1740
		1741	=item cf::region::find_by_path $path
		1742
		1743	Tries to decuce the likely region for a map knowing only its path.
		1744
		1745	=cut
		1746
		1747	sub find_by_path($) {
		1748	my ($path) = @_;
		1749
		1750	my ($match, $specificity);
		1751
		1752	for my $region (list) {
		1753	if ($region->{match} && $path =~ $region->{match}) {
		1754	($match, $specificity) = ($region, $region->specificity)
		1755	if $region->specificity > $specificity;
		1756	}
		1757	}
		1758
		1759	$match
		1760	}
1090		1761
1091	=back	1762	=back
1092
1093		1763
1094	=head3 cf::map	1764	=head3 cf::map
1095		1765
1096	=over 4	1766	=over 4
1097		1767
…		…
1101		1771
1102	use Fcntl;	1772	use Fcntl;
1103	use Coro::AIO;	1773	use Coro::AIO;
1104		1774
1105	use overload	1775	use overload
1106	'""' => \&as_string;	1776	'""' => \&as_string,
		1777	fallback => 1;
1107		1778
1108	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1109	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1110		1781
1111	sub generate_random_map {	1782	sub generate_random_map {
1112	my ($self, $rmp) = @_;	1783	my ($self, $rmp) = @_;
		1784
		1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1113		1786
1114	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1115	$self->_create_random_map (	1788	$self->_create_random_map (
1116	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1117	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
…		…
1125	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1798	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1126	(cf::region::find $rmp->{region}), $rmp->{custom}	1799	(cf::region::find $rmp->{region}), $rmp->{custom}
1127	)	1800	)
1128	}	1801	}
1129		1802
		1803	=item cf::map->register ($regex, $prio)
		1804
		1805	Register a handler for the map path matching the given regex at the
		1806	givne priority (higher is better, built-in handlers have priority 0, the
		1807	default).
		1808
		1809	=cut
		1810
1130	sub register {	1811	sub register {
1131	my (undef, $regex) = @_;	1812	my (undef, $regex, $prio) = @_;
1132	my $pkg = caller;	1813	my $pkg = caller;
1133		1814
1134	no strict;	1815	no strict;
1135	push @{"$pkg\::ISA"}, __PACKAGE__;	1816	push @{"$pkg\::ISA"}, __PACKAGE__;
1136		1817
1137	$EXT_MAP{$pkg} = qr<$regex>;	1818	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1138	}	1819	}
1139		1820
1140	# also paths starting with '/'	1821	# also paths starting with '/'
1141	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1822	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1823
		1824	sub thawer_merge {
		1825	my ($self, $merge) = @_;
		1826
		1827	# we have to keep some variables in memory intact
		1828	local $self->{path};
		1829	local $self->{load_path};
		1830
		1831	$self->SUPER::thawer_merge ($merge);
		1832	}
1142		1833
1143	sub normalise {	1834	sub normalise {
1144	my ($path, $base) = @_;	1835	my ($path, $base) = @_;
		1836
		1837	$path = "$path"; # make sure its a string
		1838
		1839	$path =~ s/\.map$//;
1145		1840
1146	# map plan:	1841	# map plan:
1147	#	1842	#
1148	# /! non-realised random map exit (special hack!)	1843	# /! non-realised random map exit (special hack!)
1149	# {... are special paths that are not being touched	1844	# {... are special paths that are not being touched
…		…
1177		1872
1178	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1873	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1179		1874
1180	$path = normalise $path, $base;	1875	$path = normalise $path, $base;
1181		1876
1182	for my $pkg (keys %EXT_MAP) {	1877	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1183	if ($path =~ $EXT_MAP{$pkg}) {	1878	if ($path =~ $EXT_MAP{$pkg}[1]) {
1184	my $self = bless cf::map::new, $pkg;	1879	my $self = bless cf::map::new, $pkg;
1185	$self->{path} = $path; $self->path ($path);	1880	$self->{path} = $path; $self->path ($path);
1186	$self->init; # pass $1 etc.	1881	$self->init; # pass $1 etc.
1187	return $self;	1882	return $self;
1188	}	1883	}
1189	}	1884	}
1190		1885
1191	Carp::carp "unable to resolve path '$path'.";	1886	Carp::cluck "unable to resolve path '$path' (base '$base').";
1192	()	1887	()
1193	}	1888	}
1194		1889
1195	sub init {	1890	sub init {
1196	my ($self) = @_;	1891	my ($self) = @_;
…		…
1211		1906
1212	# the original (read-only) location	1907	# the original (read-only) location
1213	sub load_path {	1908	sub load_path {
1214	my ($self) = @_;	1909	my ($self) = @_;
1215		1910
1216	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1911	"$MAPDIR/$self->{path}.map"
1217	}	1912	}
1218		1913
1219	# the temporary/swap location	1914	# the temporary/swap location
1220	sub save_path {	1915	sub save_path {
1221	my ($self) = @_;	1916	my ($self) = @_;
1222		1917
1223	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1224	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1919	"$TMPDIR/$path.map"
1225	}	1920	}
1226		1921
1227	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1228	sub uniq_path {	1923	sub uniq_path {
1229	my ($self) = @_;	1924	my ($self) = @_;
1230		1925
1231	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1232	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1927	"$UNIQUEDIR/$path"
1233	}	1928	}
1234		1929
1235	# and all this just because we cannot iterate over	1930	# and all this just because we cannot iterate over
1236	# all maps in C++...	1931	# all maps in C++...
1237	sub change_all_map_light {	1932	sub change_all_map_light {
…		…
1239		1934
1240	$_->change_map_light ($change)	1935	$_->change_map_light ($change)
1241	for grep $_->outdoor, values %cf::MAP;	1936	for grep $_->outdoor, values %cf::MAP;
1242	}	1937	}
1243		1938
		1939	sub decay_objects {
		1940	my ($self) = @_;
		1941
		1942	return if $self->{deny_reset};
		1943
		1944	$self->do_decay_objects;
		1945	}
		1946
1244	sub unlink_save {	1947	sub unlink_save {
1245	my ($self) = @_;	1948	my ($self) = @_;
1246		1949
1247	utf8::encode (my $save = $self->save_path);	1950	utf8::encode (my $save = $self->save_path);
1248	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1951	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1249	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1952	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1250	}	1953	}
1251		1954
1252	sub load_header_from($) {	1955	sub load_header_from($) {
1253	my ($self, $path) = @_;	1956	my ($self, $path) = @_;
1254		1957
1255	utf8::encode $path;	1958	utf8::encode $path;
1256	aio_open $path, O_RDONLY, 0	1959	my $f = new_from_file cf::object::thawer $path
1257	or return;	1960	or return;
1258		1961
1259	$self->_load_header ($path)	1962	$self->_load_header ($f)
1260	or return;	1963	or return;
1261		1964
		1965	local $MAP_LOADING{$self->{path}} = $self;
		1966	$f->resolve_delayed_derefs;
		1967
1262	$self->{load_path} = $path;	1968	$self->{load_path} = $path;
1263		1969
1264	1	1970	1
1265	}	1971	}
1266		1972
1267	sub load_orig {	1973	sub load_header_orig {
1268	my ($self) = @_;	1974	my ($self) = @_;
1269		1975
1270	$self->load_header_from ($self->load_path)	1976	$self->load_header_from ($self->load_path)
1271	}	1977	}
1272		1978
1273	sub load_temp {	1979	sub load_header_temp {
1274	my ($self) = @_;	1980	my ($self) = @_;
1275		1981
1276	$self->load_header_from ($self->save_path)	1982	$self->load_header_from ($self->save_path)
		1983	}
		1984
		1985	sub prepare_temp {
		1986	my ($self) = @_;
		1987
		1988	$self->last_access ((delete $self->{last_access})
		1989	|| $cf::RUNTIME); #d#
		1990	# safety
		1991	$self->{instantiate_time} = $cf::RUNTIME
		1992	if $self->{instantiate_time} > $cf::RUNTIME;
		1993	}
		1994
		1995	sub prepare_orig {
		1996	my ($self) = @_;
		1997
		1998	$self->{load_original} = 1;
		1999	$self->{instantiate_time} = $cf::RUNTIME;
		2000	$self->last_access ($cf::RUNTIME);
		2001	$self->instantiate;
1277	}	2002	}
1278		2003
1279	sub load_header {	2004	sub load_header {
1280	my ($self) = @_;	2005	my ($self) = @_;
1281		2006
1282	if ($self->load_temp) {	2007	if ($self->load_header_temp) {
1283	$self->last_access ((delete $self->{last_access})	2008	$self->prepare_temp;
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$self->{instantiate_time} = $cf::RUNTIME
1287	if $self->{instantiate_time} > $cf::RUNTIME;
1288	} else {	2009	} else {
1289	$self->load_orig	2010	$self->load_header_orig
1290	or return;	2011	or return;
1291		2012	$self->prepare_orig;
1292	$self->{load_original} = 1;
1293	$self->{instantiate_time} = $cf::RUNTIME;
1294	$self->last_access ($cf::RUNTIME);
1295	$self->instantiate;
1296	}	2013	}
		2014
		2015	$self->{deny_reset} = 1
		2016	if $self->no_reset;
		2017
		2018	$self->default_region (cf::region::find_by_path $self->{path})
		2019	unless $self->default_region;
1297		2020
1298	1	2021	1
1299	}	2022	}
1300		2023
1301	sub find;	2024	sub find;
1302	sub find {	2025	sub find {
1303	my ($path, $origin) = @_;	2026	my ($path, $origin) = @_;
1304		2027
1305	$path = normalise $path, $origin && $origin->path;	2028	$path = normalise $path, $origin && $origin->path;
1306		2029
		2030	cf::lock_wait "map_data:$path";#d#remove
1307	cf::lock_wait "map_find:$path";	2031	cf::lock_wait "map_find:$path";
1308		2032
1309	$cf::MAP{$path} || do {	2033	$cf::MAP{$path} || do {
1310	my $guard = cf::lock_acquire "map_find:$path";	2034	my $guard1 = cf::lock_acquire "map_find:$path";
		2035	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2036
1311	my $map = new_from_path cf::map $path	2037	my $map = new_from_path cf::map $path
1312	or return;	2038	or return;
1313		2039
1314	$map->{last_save} = $cf::RUNTIME;	2040	$map->{last_save} = $cf::RUNTIME;
1315		2041
1316	$map->load_header	2042	$map->load_header
1317	or return;	2043	or return;
1318		2044
1319	if ($map->should_reset) {	2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2046	# doing this can freeze the server in a sync job, obviously
		2047	#$cf::WAIT_FOR_TICK->wait;
		2048	undef $guard1;
		2049	undef $guard2;
1320	$map->reset;	2050	$map->reset;
1321	undef $guard;
1322	$map = find $path	2051	return find $path;
1323	or return;
1324	}	2052	}
1325		2053
1326	$cf::MAP{$path} = $map	2054	$cf::MAP{$path} = $map
1327	}	2055	}
1328	}	2056	}
		2057
		2058	sub pre_load { }
		2059	sub post_load { }
1329		2060
1330	sub load {	2061	sub load {
1331	my ($self) = @_;	2062	my ($self) = @_;
1332		2063
		2064	local $self->{deny_reset} = 1; # loading can take a long time
		2065
1333	my $path = $self->{path};	2066	my $path = $self->{path};
		2067
		2068	{
1334	my $guard = cf::lock_acquire "map_load:$path";	2069	my $guard = cf::lock_acquire "map_data:$path";
1335		2070
		2071	return unless $self->valid;
1336	return if $self->in_memory != cf::MAP_SWAPPED;	2072	return unless $self->in_memory == cf::MAP_SWAPPED;
1337		2073
1338	$self->in_memory (cf::MAP_LOADING);	2074	$self->in_memory (cf::MAP_LOADING);
1339		2075
1340	$self->alloc;	2076	$self->alloc;
1341	$self->_load_objects ($self->{load_path}, 1)	2077
		2078	$self->pre_load;
		2079	cf::cede_to_tick;
		2080
		2081	my $f = new_from_file cf::object::thawer $self->{load_path};
		2082	$f->skip_block;
		2083	$self->_load_objects ($f)
1342	or return;	2084	or return;
1343		2085
1344	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1345	if delete $self->{load_original};	2087	if delete $self->{load_original};
1346		2088
1347	if (my $uniq = $self->uniq_path) {	2089	if (my $uniq = $self->uniq_path) {
1348	utf8::encode $uniq;	2090	utf8::encode $uniq;
1349	if (aio_open $uniq, O_RDONLY, 0) {	2091	unless (aio_stat $uniq) {
		2092	if (my $f = new_from_file cf::object::thawer $uniq) {
1350	$self->clear_unique_items;	2093	$self->clear_unique_items;
1351	$self->_load_objects ($uniq, 0);	2094	$self->_load_objects ($f);
		2095	$f->resolve_delayed_derefs;
		2096	}
1352	}	2097	}
1353	}	2098	}
1354		2099
1355	Coro::cede;	2100	$f->resolve_delayed_derefs;
1356		2101
		2102	cf::cede_to_tick;
1357	# now do the right thing for maps	2103	# now do the right thing for maps
1358	$self->link_multipart_objects;	2104	$self->link_multipart_objects;
1359
1360	unless ($self->{deny_activate}) {
1361	$self->decay_objects;
1362	$self->fix_auto_apply;
1363	$self->update_buttons;
1364	Coro::cede;
1365	$self->set_darkness_map;
1366	$self->difficulty ($self->estimate_difficulty)	2105	$self->difficulty ($self->estimate_difficulty)
1367	unless $self->difficulty;	2106	unless $self->difficulty;
1368	Coro::cede;	2107	cf::cede_to_tick;
		2108
		2109	unless ($self->{deny_activate}) {
		2110	$self->decay_objects;
		2111	$self->fix_auto_apply;
		2112	$self->update_buttons;
		2113	cf::cede_to_tick;
		2114	$self->set_darkness_map;
		2115	cf::cede_to_tick;
1369	$self->activate;	2116	$self->activate;
1370	}	2117	}
1371		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
1372	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
		2123	}
		2124
		2125	$self->post_load;
1373	}	2126	}
1374		2127
1375	sub customise_for {	2128	sub customise_for {
1376	my ($self, $ob) = @_;	2129	my ($self, $ob) = @_;
1377		2130
1378	return find "~" . $ob->name . "/" . $self->{path}	2131	return find "~" . $ob->name . "/" . $self->{path}
1379	if $self->per_player;	2132	if $self->per_player;
1380		2133
		2134	# return find "?party/" . $ob->name . "/" . $self->{path}
		2135	# if $self->per_party;
		2136
1381	$self	2137	$self
1382	}	2138	}
1383		2139
1384	# find and load all maps in the 3x3 area around a map	2140	# find and load all maps in the 3x3 area around a map
1385	sub load_diag {	2141	sub load_neighbours {
1386	my ($map) = @_;	2142	my ($map) = @_;
1387		2143
1388	my @diag; # diagonal neighbours	2144	my @neigh; # diagonal neighbours
1389		2145
1390	for (0 .. 3) {	2146	for (0 .. 3) {
1391	my $neigh = $map->tile_path ($_)	2147	my $neigh = $map->tile_path ($_)
1392	or next;	2148	or next;
1393	$neigh = find $neigh, $map	2149	$neigh = find $neigh, $map
1394	or next;	2150	or next;
1395	$neigh->load;	2151	$neigh->load;
1396		2152
		2153	push @neigh,
1397	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2154	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1398	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2155	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1399	}	2156	}
1400		2157
1401	for (@diag) {	2158	for (grep defined $_->[0], @neigh) {
		2159	my ($path, $origin) = @$_;
1402	my $neigh = find @$_	2160	my $neigh = find $path, $origin
1403	or next;	2161	or next;
1404	$neigh->load;	2162	$neigh->load;
1405	}	2163	}
1406	}	2164	}
1407		2165
…		…
1412	}	2170	}
1413		2171
1414	sub do_load_sync {	2172	sub do_load_sync {
1415	my ($map) = @_;	2173	my ($map) = @_;
1416		2174
		2175	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2176	if $Coro::current == $Coro::main;
		2177
1417	cf::sync_job { $map->load };	2178	cf::sync_job { $map->load };
1418	}	2179	}
1419		2180
1420	our %MAP_PREFETCH;	2181	our %MAP_PREFETCH;
1421	our $MAP_PREFETCHER = Coro::async {	2182	our $MAP_PREFETCHER = undef;
1422	while () {
1423	for my $path (keys %MAP_PREFETCH) {
1424	my $map = find $path
1425	or next;
1426	$map->load;
1427
1428	delete $MAP_PREFETCH{$path};
1429	}
1430	Coro::schedule;
1431	}
1432	};
1433		2183
1434	sub find_async {	2184	sub find_async {
1435	my ($path, $origin) = @_;	2185	my ($path, $origin, $load) = @_;
1436		2186
1437	$path = normalise $path, $origin && $origin->{path};	2187	$path = normalise $path, $origin && $origin->{path};
1438		2188
1439	if (my $map = $cf::MAP{$path}) {	2189	if (my $map = $cf::MAP{$path}) {
1440	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2190	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2191	}
		2192
		2193	$MAP_PREFETCH{$path} |= $load;
		2194
		2195	$MAP_PREFETCHER ||= cf::async {
		2196	$Coro::current->{desc} = "map prefetcher";
		2197
		2198	while (%MAP_PREFETCH) {
		2199	while (my ($k, $v) = each %MAP_PREFETCH) {
		2200	if (my $map = find $k) {
		2201	$map->load if $v;
		2202	}
		2203
		2204	delete $MAP_PREFETCH{$k};
		2205	}
		2206	}
		2207	undef $MAP_PREFETCHER;
1441	}	2208	};
1442
1443	$MAP_PREFETCH{$path} = 0;
1444	$MAP_PREFETCHER->ready;	2209	$MAP_PREFETCHER->prio (6);
1445		2210
1446	()	2211	()
1447	}	2212	}
1448		2213
1449	sub save {	2214	sub save {
1450	my ($self) = @_;	2215	my ($self) = @_;
1451		2216
1452	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1453		2218
1454	$self->{last_save} = $cf::RUNTIME;	2219	$self->{last_save} = $cf::RUNTIME;
1455		2220
1456	return unless $self->dirty;	2221	return unless $self->dirty;
1457		2222
…		…
1463	return if $self->{deny_save};	2228	return if $self->{deny_save};
1464		2229
1465	local $self->{last_access} = $self->last_access;#d#	2230	local $self->{last_access} = $self->last_access;#d#
1466		2231
1467	cf::async {	2232	cf::async {
		2233	$Coro::current->{desc} = "map player save";
1468	$_->contr->save for $self->players;	2234	$_->contr->save for $self->players;
1469	};	2235	};
		2236
		2237	cf::get_slot 0.02;
1470		2238
1471	if ($uniq) {	2239	if ($uniq) {
1472	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2240	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1473	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2241	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1474	} else {	2242	} else {
…		…
1480	my ($self) = @_;	2248	my ($self) = @_;
1481		2249
1482	# save first because save cedes	2250	# save first because save cedes
1483	$self->save;	2251	$self->save;
1484		2252
1485	my $lock = cf::lock_acquire "map_data:" . $self->path;	2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
1486		2254
1487	return if $self->players;	2255	return if $self->players;
1488	return if $self->in_memory != cf::MAP_IN_MEMORY;	2256	return if $self->in_memory != cf::MAP_ACTIVE;
1489	return if $self->{deny_save};	2257	return if $self->{deny_save};
1490		2258
		2259	$self->in_memory (cf::MAP_SWAPPED);
		2260
		2261	$self->deactivate;
		2262	$_->clear_links_to ($self) for values %cf::MAP;
1491	$self->clear;	2263	$self->clear;
1492	$self->in_memory (cf::MAP_SWAPPED);
1493	}	2264	}
1494		2265
1495	sub reset_at {	2266	sub reset_at {
1496	my ($self) = @_;	2267	my ($self) = @_;
1497		2268
1498	# TODO: safety, remove and allow resettable per-player maps	2269	# TODO: safety, remove and allow resettable per-player maps
1499	return 1e99 if $self->isa ("ext::map_per_player");
1500	return 1e99 if $self->{deny_reset};	2270	return 1e99 if $self->{deny_reset};
1501		2271
1502	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2272	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1503	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2273	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1504		2274
…		…
1509	my ($self) = @_;	2279	my ($self) = @_;
1510		2280
1511	$self->reset_at <= $cf::RUNTIME	2281	$self->reset_at <= $cf::RUNTIME
1512	}	2282	}
1513		2283
1514	sub rename {
1515	my ($self, $new_path) = @_;
1516
1517	normalise $new_path;
1518
1519	$self->unlink_save;
1520
1521	delete $cf::MAP{$self->path};
1522	$self->{path} = $new_path; $self->path ($self->{path});
1523	$cf::MAP{$self->path} = $self;
1524
1525	$self->save;
1526	}
1527
1528	sub reset {	2284	sub reset {
1529	my ($self) = @_;	2285	my ($self) = @_;
1530		2286
1531	my $lock = cf::lock_acquire "map_data:$self->{path}";	2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2288
1533	return if $self->players;	2289	return if $self->players;
1534	return if $self->isa ("ext::map_per_player");#d#
1535		2290
1536	warn "resetting map ", $self->path;#d#	2291	warn "resetting map ", $self->path;
		2292
		2293	$self->in_memory (cf::MAP_SWAPPED);
		2294
		2295	# need to save uniques path
		2296	unless ($self->{deny_save}) {
		2297	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2298
		2299	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2300	if $uniq;
		2301	}
1537		2302
1538	delete $cf::MAP{$self->path};	2303	delete $cf::MAP{$self->path};
1539		2304
1540	$self->in_memory (cf::MAP_SWAPPED);	2305	$self->deactivate;
		2306	$_->clear_links_to ($self) for values %cf::MAP;
1541	$self->clear;	2307	$self->clear;
1542
1543	$_->clear_links_to ($self) for values %cf::MAP;
1544		2308
1545	$self->unlink_save;	2309	$self->unlink_save;
1546	$self->destroy;	2310	$self->destroy;
1547	}	2311	}
1548		2312
1549	my $nuke_counter = "aaaa";	2313	my $nuke_counter = "aaaa";
1550		2314
1551	sub nuke {	2315	sub nuke {
1552	my ($self) = @_;	2316	my ($self) = @_;
1553		2317
		2318	{
		2319	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2320
		2321	delete $cf::MAP{$self->path};
		2322
		2323	$self->unlink_save;
		2324
		2325	bless $self, "cf::map";
		2326	delete $self->{deny_reset};
1554	$self->{deny_save} = 1;	2327	$self->{deny_save} = 1;
1555	$self->reset_timeout (1);	2328	$self->reset_timeout (1);
1556	$self->rename ("{nuke}/" . ($nuke_counter++));	2329	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2330
		2331	$cf::MAP{$self->path} = $self;
		2332	}
		2333
1557	$self->reset; # polite request, might not happen	2334	$self->reset; # polite request, might not happen
		2335	}
		2336
		2337	=item $maps = cf::map::tmp_maps
		2338
		2339	Returns an arrayref with all map paths of currently instantiated and saved
		2340	maps. May block.
		2341
		2342	=cut
		2343
		2344	sub tmp_maps() {
		2345	[
		2346	map {
		2347	utf8::decode $_;
		2348	/\.map$/
		2349	? normalise $_
		2350	: ()
		2351	} @{ aio_readdir $TMPDIR or [] }
		2352	]
		2353	}
		2354
		2355	=item $maps = cf::map::random_maps
		2356
		2357	Returns an arrayref with all map paths of currently instantiated and saved
		2358	random maps. May block.
		2359
		2360	=cut
		2361
		2362	sub random_maps() {
		2363	[
		2364	map {
		2365	utf8::decode $_;
		2366	/\.map$/
		2367	? normalise "?random/$_"
		2368	: ()
		2369	} @{ aio_readdir $RANDOMDIR or [] }
		2370	]
1558	}	2371	}
1559		2372
1560	=item cf::map::unique_maps	2373	=item cf::map::unique_maps
1561		2374
1562	Returns an arrayref of paths of all shared maps that have	2375	Returns an arrayref of paths of all shared maps that have
1563	instantiated unique items. May block.	2376	instantiated unique items. May block.
1564		2377
1565	=cut	2378	=cut
1566		2379
1567	sub unique_maps() {	2380	sub unique_maps() {
1568	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2381	[
1569	or return;	2382	map {
1570
1571	my @paths;
1572
1573	for (@$files) {
1574	utf8::decode $_;	2383	utf8::decode $_;
1575	next if /\.pst$/;	2384	s/\.map$//; # TODO future compatibility hack
1576	next unless /^$PATH_SEP/o;	2385	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1577		2386	? ()
1578	s/\.map$//;	2387	: normalise $_
1579	push @paths, $_;	2388	} @{ aio_readdir $UNIQUEDIR or [] }
1580	}	2389	]
1581
1582	\@paths
1583	}	2390	}
1584
1585	package cf;
1586		2391
1587	=back	2392	=back
1588		2393
1589	=head3 cf::object	2394	=head3 cf::object
1590		2395
…		…
1594		2399
1595	=over 4	2400	=over 4
1596		2401
1597	=item $ob->inv_recursive	2402	=item $ob->inv_recursive
1598		2403
1599	Returns the inventory of the object _and_ their inventories, recursively.	2404	Returns the inventory of the object I<and> their inventories, recursively,
		2405	but I<not> the object itself.
1600		2406
1601	=cut	2407	=cut
1602		2408
1603	sub inv_recursive_;	2409	sub inv_recursive_;
1604	sub inv_recursive_ {	2410	sub inv_recursive_ {
1605	map { $_, inv_recursive_ $_->inv } @_	2411	map { $_, inv_recursive_ $_->inv } @_
1606	}	2412	}
1607		2413
1608	sub inv_recursive {	2414	sub inv_recursive {
1609	inv_recursive_ inv $_[0]	2415	inv_recursive_ inv $_[0]
		2416	}
		2417
		2418	=item $ref = $ob->ref
		2419
		2420	Creates and returns a persistent reference to an object that can be stored as a string.
		2421
		2422	=item $ob = cf::object::deref ($refstring)
		2423
		2424	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2425	even if the object actually exists. May block.
		2426
		2427	=cut
		2428
		2429	sub deref {
		2430	my ($ref) = @_;
		2431
		2432	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2433	my ($uuid, $name) = ($1, $2);
		2434	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2435	or return;
		2436	$pl->ob->uuid eq $uuid
		2437	or return;
		2438
		2439	$pl->ob
		2440	} else {
		2441	warn "$ref: cannot resolve object reference\n";
		2442	undef
		2443	}
1610	}	2444	}
1611		2445
1612	package cf;	2446	package cf;
1613		2447
1614	=back	2448	=back
…		…
1633		2467
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2468	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2469
1636	if ($self->{record_replies}) {	2470	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2471	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2472
1638	} else {	2473	} else {
		2474	my $pl = $self->contr;
		2475
		2476	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2477	my $dialog = $pl->{npc_dialog};
		2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2479
		2480	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2481	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2482	$self->message ($msg, $flags);
		2483	}
1641	}	2484	}
		2485	}
		2486
		2487	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2488
		2489	=cut
		2490
		2491	sub cf::object::send_msg {
		2492	my $pl = shift->contr
		2493	or return;
		2494	$pl->send_msg (@_);
1642	}	2495	}
1643		2496
1644	=item $player_object->may ("access")	2497	=item $player_object->may ("access")
1645		2498
1646	Returns wether the given player is authorized to access resource "access"	2499	Returns wether the given player is authorized to access resource "access"
…		…
1678	=cut	2531	=cut
1679		2532
1680	sub link_map {	2533	sub link_map {
1681	unless ($LINK_MAP) {	2534	unless ($LINK_MAP) {
1682	$LINK_MAP = cf::map::find "{link}"	2535	$LINK_MAP = cf::map::find "{link}"
1683	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2536	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1684	$LINK_MAP->load;	2537	$LINK_MAP->load;
1685	}	2538	}
1686		2539
1687	$LINK_MAP	2540	$LINK_MAP
1688	}	2541	}
…		…
1693	$self->deactivate_recursive;	2546	$self->deactivate_recursive;
1694		2547
1695	return if UNIVERSAL::isa $self->map, "ext::map_link";	2548	return if UNIVERSAL::isa $self->map, "ext::map_link";
1696		2549
1697	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2550	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1698	if $self->map;	2551	if $self->map && $self->map->{path} ne "{link}";
1699		2552
1700	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2553	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1701	}	2554	}
1702		2555
1703	sub cf::object::player::leave_link {	2556	sub cf::object::player::leave_link {
1704	my ($self, $map, $x, $y) = @_;	2557	my ($self, $map, $x, $y) = @_;
		2558
		2559	return unless $self->contr->active;
1705		2560
1706	my $link_pos = delete $self->{_link_pos};	2561	my $link_pos = delete $self->{_link_pos};
1707		2562
1708	unless ($map) {	2563	unless ($map) {
1709	# restore original map position	2564	# restore original map position
…		…
1723	# use -1 or undef as default coordinates, not 0, 0	2578	# use -1 or undef as default coordinates, not 0, 0
1724	($x, $y) = ($map->enter_x, $map->enter_y)	2579	($x, $y) = ($map->enter_x, $map->enter_y)
1725	if $x <=0 && $y <= 0;	2580	if $x <=0 && $y <= 0;
1726		2581
1727	$map->load;	2582	$map->load;
1728	$map->load_diag;	2583	$map->load_neighbours;
1729		2584
1730	return unless $self->contr->active;	2585	return unless $self->contr->active;
1731	$self->activate_recursive;	2586	$self->activate_recursive;
		2587
		2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1732	$self->enter_map ($map, $x, $y);	2589	$self->enter_map ($map, $x, $y);
1733	}	2590	}
1734		2591
1735	cf::player->attach (	2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1736	on_logout => sub {
1737	my ($pl) = @_;
1738		2593
1739	# abort map switching before logout	2594	Moves the player to the given map-path and coordinates by first freezing
1740	if ($pl->ob->{_link_pos}) {	2595	her, loading and preparing them map, calling the provided $check callback
1741	cf::sync_job {	2596	that has to return the map if sucecssful, and then unfreezes the player on
1742	$pl->ob->leave_link	2597	the new (success) or old (failed) map position. In either case, $done will
1743	};	2598	be called at the end of this process.
1744	}
1745	},
1746	on_login => sub {
1747	my ($pl) = @_;
1748		2599
1749	# try to abort aborted map switching on player login :)
1750	# should happen only on crashes
1751	if ($pl->ob->{_link_pos}) {
1752	$pl->ob->enter_link;
1753	(async {
1754	# we need this sleep as the login has a concurrent enter_exit running
1755	# and this sleep increases chances of the player not ending up in scorn
1756	$pl->ob->reply (undef,
1757	"There was an internal problem at your last logout, "
1758	. "the server will try to bring you to your intended destination in a second.",
1759	cf::NDI_RED);
1760	Coro::Timer::sleep 1;
1761	$pl->ob->leave_link;
1762	})->prio (2);
1763	}
1764	},
1765	);
1766
1767	=item $player_object->goto ($path, $x, $y)
1768
1769	=cut	2600	=cut
		2601
		2602	our $GOTOGEN;
1770		2603
1771	sub cf::object::player::goto {	2604	sub cf::object::player::goto {
1772	my ($self, $path, $x, $y) = @_;	2605	my ($self, $path, $x, $y, $check, $done) = @_;
		2606
		2607	# do generation counting so two concurrent goto's will be executed in-order
		2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1773		2609
1774	$self->enter_link;	2610	$self->enter_link;
1775		2611
1776	(async {	2612	(async {
1777	my $map = cf::map::find $path;	2613	$Coro::current->{desc} = "player::goto $path $x $y";
		2614
		2615	# *tag paths override both path and x|y
		2616	if ($path =~ /^\*(.*)$/) {
		2617	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2618	my $ob = $obs[rand @obs];
		2619
		2620	# see if we actually can go there
		2621	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2622	$ob = $obs[rand @obs];
		2623	} else {
		2624	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2625	}
		2626	# else put us there anyways for now #d#
		2627
		2628	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2629	} else {
		2630	($path, $x, $y) = (undef, undef, undef);
		2631	}
		2632	}
		2633
		2634	my $map = eval {
		2635	my $map = defined $path ? cf::map::find $path : undef;
		2636
		2637	if ($map) {
1778	$map = $map->customise_for ($self) if $map;	2638	$map = $map->customise_for ($self);
1779		2639	$map = $check->($map) if $check && $map;
1780	# warn "entering ", $map->path, " at ($x, $y)\n"	2640	} else {
1781	# if $map;
1782
1783	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2641	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2642	}
1784		2643
		2644	$map
		2645	};
		2646
		2647	if ($@) {
		2648	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2649	LOG llevError | logBacktrace, Carp::longmess $@;
		2650	}
		2651
		2652	if ($gen == $self->{_goto_generation}) {
		2653	delete $self->{_goto_generation};
1785	$self->leave_link ($map, $x, $y);	2654	$self->leave_link ($map, $x, $y);
		2655	}
		2656
		2657	$done->() if $done;
1786	})->prio (1);	2658	})->prio (1);
1787	}	2659	}
1788		2660
1789	=item $player_object->enter_exit ($exit_object)	2661	=item $player_object->enter_exit ($exit_object)
1790		2662
…		…
1792		2664
1793	sub parse_random_map_params {	2665	sub parse_random_map_params {
1794	my ($spec) = @_;	2666	my ($spec) = @_;
1795		2667
1796	my $rmp = { # defaults	2668	my $rmp = { # defaults
1797	xsize => 10,	2669	xsize => (cf::rndm 15, 40),
1798	ysize => 10,	2670	ysize => (cf::rndm 15, 40),
		2671	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2672	#layout => string,
1799	};	2673	};
1800		2674
1801	for (split /\n/, $spec) {	2675	for (split /\n/, $spec) {
1802	my ($k, $v) = split /\s+/, $_, 2;	2676	my ($k, $v) = split /\s+/, $_, 2;
1803		2677
…		…
1807	$rmp	2681	$rmp
1808	}	2682	}
1809		2683
1810	sub prepare_random_map {	2684	sub prepare_random_map {
1811	my ($exit) = @_;	2685	my ($exit) = @_;
		2686
		2687	my $guard = cf::lock_acquire "exit_prepare:$exit";
1812		2688
1813	# all this does is basically replace the /! path by	2689	# all this does is basically replace the /! path by
1814	# a new random map path (?random/...) with a seed	2690	# a new random map path (?random/...) with a seed
1815	# that depends on the exit object	2691	# that depends on the exit object
1816		2692
1817	my $rmp = parse_random_map_params $exit->msg;	2693	my $rmp = parse_random_map_params $exit->msg;
1818		2694
1819	if ($exit->map) {	2695	if ($exit->map) {
1820	$rmp->{region} = $exit->map->region_name;	2696	$rmp->{region} = $exit->region->name;
1821	$rmp->{origin_map} = $exit->map->path;	2697	$rmp->{origin_map} = $exit->map->path;
1822	$rmp->{origin_x} = $exit->x;	2698	$rmp->{origin_x} = $exit->x;
1823	$rmp->{origin_y} = $exit->y;	2699	$rmp->{origin_y} = $exit->y;
1824	}	2700	}
1825		2701
1826	$rmp->{random_seed} ||= $exit->random_seed;	2702	$rmp->{random_seed} ||= $exit->random_seed;
1827		2703
1828	my $data = cf::to_json $rmp;	2704	my $data = JSON::XS->new->utf8->pretty->canolicalize->encode ($rmp);
1829	my $md5 = Digest::MD5::md5_hex $data;	2705	my $md5 = Digest::MD5::md5_hex $data;
		2706	my $meta = "$RANDOMDIR/$md5.meta";
1830		2707
1831	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1832	aio_write $fh, 0, (length $data), $data, 0;	2709	aio_write $fh, 0, (length $data), $data, 0;
		2710	undef $fh;
		2711	aio_rename "$meta~", $meta;
1833		2712
1834	$exit->slaying ("?random/$md5");	2713	$exit->slaying ("?random/$md5");
1835	$exit->msg (undef);	2714	$exit->msg (undef);
1836	}	2715	}
1837	}	2716	}
…		…
1839	sub cf::object::player::enter_exit {	2718	sub cf::object::player::enter_exit {
1840	my ($self, $exit) = @_;	2719	my ($self, $exit) = @_;
1841		2720
1842	return unless $self->type == cf::PLAYER;	2721	return unless $self->type == cf::PLAYER;
1843		2722
		2723	if ($exit->slaying eq "/!") {
		2724	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2725	# the problem is that $exit might not survive long enough
		2726	# so it needs to be done right now, right here
		2727	cf::sync_job { prepare_random_map $exit };
		2728	}
		2729
		2730	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2731	my $hp = $exit->stats->hp;
		2732	my $sp = $exit->stats->sp;
		2733
1844	$self->enter_link;	2734	$self->enter_link;
1845		2735
		2736	# if exit is damned, update players death & WoR home-position
		2737	$self->contr->savebed ($slaying, $hp, $sp)
		2738	if $exit->flag (FLAG_DAMNED);
		2739
1846	(async {	2740	(async {
		2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2742
1847	$self->deactivate_recursive; # just to be sure	2743	$self->deactivate_recursive; # just to be sure
1848	unless (eval {	2744	unless (eval {
1849	prepare_random_map $exit	2745	$self->goto ($slaying, $hp, $sp);
1850	if $exit->slaying eq "/!";
1851
1852	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1853	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1854		2746
1855	1;	2747	1;
1856	}) {	2748	}) {
1857	$self->message ("Something went wrong deep within the crossfire server. "	2749	$self->message ("Something went wrong deep within the crossfire server. "
1858	. "I'll try to bring you back to the map you were before. "	2750	. "I'll try to bring you back to the map you were before. "
1859	. "Please report this to the dungeon master!",	2751	. "Please report this to the dungeon master!",
1860	cf::NDI_UNIQUE | cf::NDI_RED);	2752	cf::NDI_UNIQUE | cf::NDI_RED);
1861		2753
1862	warn "ERROR in enter_exit: $@";	2754	warn "ERROR in enter_exit: $@";
1863	$self->leave_link;	2755	$self->leave_link;
1864	}	2756	}
1865	})->prio (1);	2757	})->prio (1);
…		…
1878		2770
1879	sub cf::client::send_drawinfo {	2771	sub cf::client::send_drawinfo {
1880	my ($self, $text, $flags) = @_;	2772	my ($self, $text, $flags) = @_;
1881		2773
1882	utf8::encode $text;	2774	utf8::encode $text;
1883	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2775	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1884	}	2776	}
1885		2777
		2778	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2779
		2780	Send a drawinfo or msg packet to the client, formatting the msg for the
		2781	client if neccessary. C<$type> should be a string identifying the type of
		2782	the message, with C<log> being the default. If C<$color> is negative, suppress
		2783	the message unless the client supports the msg packet.
		2784
		2785	=cut
		2786
		2787	# non-persistent channels (usually the info channel)
		2788	our %CHANNEL = (
		2789	"c/identify" => {
		2790	id => "infobox",
		2791	title => "Identify",
		2792	reply => undef,
		2793	tooltip => "Items recently identified",
		2794	},
		2795	"c/examine" => {
		2796	id => "infobox",
		2797	title => "Examine",
		2798	reply => undef,
		2799	tooltip => "Signs and other items you examined",
		2800	},
		2801	"c/book" => {
		2802	id => "infobox",
		2803	title => "Book",
		2804	reply => undef,
		2805	tooltip => "The contents of a note or book",
		2806	},
		2807	"c/lookat" => {
		2808	id => "infobox",
		2809	title => "Look",
		2810	reply => undef,
		2811	tooltip => "What you saw there",
		2812	},
		2813	"c/who" => {
		2814	id => "infobox",
		2815	title => "Players",
		2816	reply => undef,
		2817	tooltip => "Shows players who are currently online",
		2818	},
		2819	"c/body" => {
		2820	id => "infobox",
		2821	title => "Body Parts",
		2822	reply => undef,
		2823	tooltip => "Shows which body parts you posess and are available",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
		2837	);
		2838
		2839	sub cf::client::send_msg {
		2840	my ($self, $channel, $msg, $color, @extra) = @_;
		2841
		2842	$msg = $self->pl->expand_cfpod ($msg);
		2843
		2844	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2845
		2846	# check predefined channels, for the benefit of C
		2847	if ($CHANNEL{$channel}) {
		2848	$channel = $CHANNEL{$channel};
		2849
		2850	$self->ext_msg (channel_info => $channel)
		2851	if $self->can_msg;
		2852
		2853	$channel = $channel->{id};
		2854
		2855	} elsif (ref $channel) {
		2856	# send meta info to client, if not yet sent
		2857	unless (exists $self->{channel}{$channel->{id}}) {
		2858	$self->{channel}{$channel->{id}} = $channel;
		2859	$self->ext_msg (channel_info => $channel)
		2860	if $self->can_msg;
		2861	}
		2862
		2863	$channel = $channel->{id};
		2864	}
		2865
		2866	return unless @extra || length $msg;
		2867
		2868	if ($self->can_msg) {
		2869	# default colour, mask it out
		2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2871	if $color & cf::NDI_DEF;
		2872
		2873	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2874	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2875	} else {
		2876	if ($color >= 0) {
		2877	# replace some tags by gcfclient-compatible ones
		2878	for ($msg) {
		2879	1 while
		2880	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2881	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2882	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2883	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2884	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2885	}
		2886
		2887	$color &= cf::NDI_COLOR_MASK;
		2888
		2889	utf8::encode $msg;
		2890
		2891	if (0 && $msg =~ /\[/) {
		2892	# COMMAND/INFO
		2893	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2894	} else {
		2895	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2896	$self->send_packet ("drawinfo $color $msg")
		2897	}
		2898	}
		2899	}
		2900	}
		2901
		2902	=item $client->ext_msg ($type, @msg)
		2903
		2904	Sends an ext event to the client.
		2905
		2906	=cut
		2907
		2908	sub cf::client::ext_msg($$@) {
		2909	my ($self, $type, @msg) = @_;
		2910
		2911	if ($self->extcmd == 2) {
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2913	} elsif ($self->extcmd == 1) { # TODO: remove
		2914	push @msg, msgtype => "event_$type";
		2915	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2916	}
		2917	}
		2918
		2919	=item $client->ext_reply ($msgid, @msg)
		2920
		2921	Sends an ext reply to the client.
		2922
		2923	=cut
		2924
		2925	sub cf::client::ext_reply($$@) {
		2926	my ($self, $id, @msg) = @_;
		2927
		2928	if ($self->extcmd == 2) {
		2929	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2930	} elsif ($self->extcmd == 1) {
		2931	#TODO: version 1, remove
		2932	unshift @msg, msgtype => "reply", msgid => $id;
		2933	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2934	}
		2935	}
1886		2936
1887	=item $success = $client->query ($flags, "text", \&cb)	2937	=item $success = $client->query ($flags, "text", \&cb)
1888		2938
1889	Queues a query to the client, calling the given callback with	2939	Queues a query to the client, calling the given callback with
1890	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2940	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1891	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2941	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1892		2942
1893	Queries can fail, so check the return code. Or don't, as queries will become	2943	Queries can fail, so check the return code. Or don't, as queries will
1894	reliable at some point in the future.	2944	become reliable at some point in the future.
1895		2945
1896	=cut	2946	=cut
1897		2947
1898	sub cf::client::query {	2948	sub cf::client::query {
1899	my ($self, $flags, $text, $cb) = @_;	2949	my ($self, $flags, $text, $cb) = @_;
…		…
1907	utf8::encode $text;	2957	utf8::encode $text;
1908	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2958	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1909		2959
1910	$self->send_packet ($self->{query_queue}[0][0])	2960	$self->send_packet ($self->{query_queue}[0][0])
1911	if @{ $self->{query_queue} } == 1;	2961	if @{ $self->{query_queue} } == 1;
		2962
		2963	1
1912	}	2964	}
1913		2965
1914	cf::client->attach (	2966	cf::client->attach (
		2967	on_connect => sub {
		2968	my ($ns) = @_;
		2969
		2970	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2971	},
1915	on_reply => sub {	2972	on_reply => sub {
1916	my ($ns, $msg) = @_;	2973	my ($ns, $msg) = @_;
1917		2974
1918	# this weird shuffling is so that direct followup queries	2975	# this weird shuffling is so that direct followup queries
1919	# get handled first	2976	# get handled first
1920	my $queue = delete $ns->{query_queue}	2977	my $queue = delete $ns->{query_queue}
1921	or return; # be conservative, not sure how that can happen, but we saw a crash here	2978	or return; # be conservative, not sure how that can happen, but we saw a crash here
1922		2979
1923	(shift @$queue)->[1]->($msg);	2980	(shift @$queue)->[1]->($msg);
		2981	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1924		2982
1925	push @{ $ns->{query_queue} }, @$queue;	2983	push @{ $ns->{query_queue} }, @$queue;
1926		2984
1927	if (@{ $ns->{query_queue} } == @$queue) {	2985	if (@{ $ns->{query_queue} } == @$queue) {
1928	if (@$queue) {	2986	if (@$queue) {
…		…
1930	} else {	2988	} else {
1931	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2989	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1932	}	2990	}
1933	}	2991	}
1934	},	2992	},
		2993	on_exticmd => sub {
		2994	my ($ns, $buf) = @_;
		2995
		2996	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2997
		2998	if (ref $msg) {
		2999	my ($type, $reply, @payload) =
		3000	"ARRAY" eq ref $msg
		3001	? @$msg
		3002	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3003
		3004	my @reply;
		3005
		3006	if (my $cb = $EXTICMD{$type}) {
		3007	@reply = $cb->($ns, @payload);
		3008	}
		3009
		3010	$ns->ext_reply ($reply, @reply)
		3011	if $reply;
		3012
		3013	} else {
		3014	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3015	}
		3016
		3017	cf::override;
		3018	},
1935	);	3019	);
1936		3020
1937	=item $client->async (\&cb)	3021	=item $client->async (\&cb)
1938		3022
1939	Create a new coroutine, running the specified callback. The coroutine will	3023	Create a new coroutine, running the specified callback. The coroutine will
…		…
1980	our $safe = new Safe "safe";	3064	our $safe = new Safe "safe";
1981	our $safe_hole = new Safe::Hole;	3065	our $safe_hole = new Safe::Hole;
1982		3066
1983	$SIG{FPE} = 'IGNORE';	3067	$SIG{FPE} = 'IGNORE';
1984		3068
1985	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3069	$safe->permit_only (Opcode::opset qw(
		3070	:base_core :base_mem :base_orig :base_math
		3071	grepstart grepwhile mapstart mapwhile
		3072	sort time
		3073	));
1986		3074
1987	# here we export the classes and methods available to script code	3075	# here we export the classes and methods available to script code
1988		3076
1989	=pod	3077	=pod
1990		3078
1991	The following fucntions and emthods are available within a safe environment:	3079	The following functions and methods are available within a safe environment:
1992		3080
1993	cf::object contr pay_amount pay_player map	3081	cf::object
		3082	contr pay_amount pay_player map x y force_find force_add destroy
		3083	insert remove name archname title slaying race decrease_ob_nr
		3084
1994	cf::object::player player	3085	cf::object::player
1995	cf::player peaceful	3086	player
1996	cf::map trigger	3087
		3088	cf::player
		3089	peaceful
		3090
		3091	cf::map
		3092	trigger
1997		3093
1998	=cut	3094	=cut
1999		3095
2000	for (	3096	for (
2001	["cf::object" => qw(contr pay_amount pay_player map)],	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3098	insert remove inv name archname title slaying race
		3099	decrease_ob_nr destroy)],
2002	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2003	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful)],
2004	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2005	) {	3103	) {
2006	no strict 'refs';	3104	no strict 'refs';
…		…
2077	=back	3175	=back
2078		3176
2079	=cut	3177	=cut
2080		3178
2081	#############################################################################	3179	#############################################################################
		3180	# the server's init and main functions
2082		3181
2083	=head2 EXTENSION DATABASE SUPPORT	3182	sub load_facedata($) {
		3183	my ($path) = @_;
2084		3184
2085	Crossfire maintains a very simple database for extension use. It can	3185	# HACK to clear player env face cache, we need some signal framework
2086	currently store anything that can be serialised using Storable, which	3186	# for this (global event?)
2087	excludes objects.	3187	%ext::player_env::MUSIC_FACE_CACHE = ();
2088		3188
2089	The parameter C<$family> should best start with the name of the extension	3189	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2090	using it, it should be unique.
2091		3190
2092	=over 4	3191	warn "loading facedata from $path\n";
2093		3192
2094	=item $hashref = cf::db_get $family	3193	my $facedata;
		3194	0 < aio_load $path, $facedata
		3195	or die "$path: $!";
2095		3196
2096	Return a hashref for use by the extension C<$family>, which can be	3197	$facedata = Coro::Storable::thaw $facedata;
2097	modified. After modifications, you have to call C<cf::db_dirty> or
2098	C<cf::db_sync>.
2099		3198
2100	=item $value = cf::db_get $family => $key	3199	$facedata->{version} == 2
		3200	or cf::cleanup "$path: version mismatch, cannot proceed.";
2101		3201
2102	Returns a single value from the database	3202	# patch in the exptable
2103		3203	$facedata->{resource}{"res/exp_table"} = {
2104	=item cf::db_put $family => $hashref	3204	type => FT_RSRC,
2105		3205	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2106	Stores the given family hashref into the database. Updates are delayed, if
2107	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2108
2109	=item cf::db_put $family => $key => $value
2110
2111	Stores the given C<$value> in the family hash. Updates are delayed, if you
2112	want the data to be synced to disk immediately, use C<cf::db_sync>.
2113
2114	=item cf::db_dirty
2115
2116	Marks the database as dirty, to be updated at a later time.
2117
2118	=item cf::db_sync
2119
2120	Immediately write the database to disk I<if it is dirty>.
2121
2122	=cut
2123
2124	our $DB;
2125
2126	{
2127	my $path = cf::localdir . "/database.pst";
2128
2129	sub db_load() {
2130	$DB = stat $path ? Storable::retrieve $path : { };
2131	}
2132
2133	my $pid;
2134
2135	sub db_save() {
2136	waitpid $pid, 0 if $pid;
2137	if (0 == ($pid = fork)) {
2138	$DB->{_meta}{version} = 1;
2139	Storable::nstore $DB, "$path~";
2140	rename "$path~", $path;
2141	cf::_exit 0 if defined $pid;
2142	}
2143	}
2144
2145	my $dirty;
2146
2147	sub db_sync() {
2148	db_save if $dirty;
2149	undef $dirty;
2150	}
2151
2152	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2153	db_sync;
2154	});	3206	};
		3207	cf::cede_to_tick;
2155		3208
2156	sub db_dirty() {
2157	$dirty = 1;
2158	$idle->start;
2159	}	3209	{
		3210	my $faces = $facedata->{faceinfo};
2160		3211
2161	sub db_get($;$) {	3212	while (my ($face, $info) = each %$faces) {
2162	@_ >= 2	3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2163	? $DB->{$_[0]}{$_[1]}
2164	: ($DB->{$_[0]} ||= { })
2165	}
2166		3214
2167	sub db_put($$;$) {	3215	cf::face::set_visibility $idx, $info->{visibility};
2168	if (@_ >= 3) {	3216	cf::face::set_magicmap $idx, $info->{magicmap};
2169	$DB->{$_[0]}{$_[1]} = $_[2];	3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2170	} else {	3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2171	$DB->{$_[0]} = $_[1];
2172	}
2173	db_dirty;
2174	}
2175		3219
2176	cf::global->attach (	3220	cf::cede_to_tick;
2177	prio => 10000,
2178	on_cleanup => sub {
2179	db_sync;
2180	},	3221	}
2181	);
2182	}
2183		3222
2184	#############################################################################	3223	while (my ($face, $info) = each %$faces) {
2185	# the server's main()	3224	next unless $info->{smooth};
2186		3225
2187	sub cfg_load {	3226	my $idx = cf::face::find $face
		3227	or next;
		3228
		3229	if (my $smooth = cf::face::find $info->{smooth}) {
		3230	cf::face::set_smooth $idx, $smooth;
		3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3232	} else {
		3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3234	}
		3235
		3236	cf::cede_to_tick;
		3237	}
		3238	}
		3239
		3240	{
		3241	my $anims = $facedata->{animinfo};
		3242
		3243	while (my ($anim, $info) = each %$anims) {
		3244	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3245	cf::cede_to_tick;
		3246	}
		3247
		3248	cf::anim::invalidate_all; # d'oh
		3249	}
		3250
		3251	{
		3252	# TODO: for gcfclient pleasure, we should give resources
		3253	# that gcfclient doesn't grok a >10000 face index.
		3254	my $res = $facedata->{resource};
		3255
		3256	while (my ($name, $info) = each %$res) {
		3257	if (defined $info->{type}) {
		3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3259	my $data;
		3260
		3261	if ($info->{type} & 1) {
		3262	# prepend meta info
		3263
		3264	my $meta = $enc->encode ({
		3265	name => $name,
		3266	%{ $info->{meta} || {} },
		3267	});
		3268
		3269	$data = pack "(w/a*)*", $meta, $info->{data};
		3270	} else {
		3271	$data = $info->{data};
		3272	}
		3273
		3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3275	cf::face::set_type $idx, $info->{type};
		3276	} else {
		3277	$RESOURCE{$name} = $info;
		3278	}
		3279
		3280	cf::cede_to_tick;
		3281	}
		3282	}
		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3285
		3286	1
		3287	}
		3288
		3289	cf::global->attach (on_resource_update => sub {
		3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3292
		3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3294	my $sound = $soundconf->{compat}[$_]
		3295	or next;
		3296
		3297	my $face = cf::face::find "sound/$sound->[1]";
		3298	cf::sound::set $sound->[0] => $face;
		3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3300	}
		3301
		3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3303	my $face = cf::face::find "sound/$v";
		3304	cf::sound::set $k => $face;
		3305	}
		3306	}
		3307	});
		3308
		3309	register_exticmd fx_want => sub {
		3310	my ($ns, $want) = @_;
		3311
		3312	while (my ($k, $v) = each %$want) {
		3313	$ns->fx_want ($k, $v);
		3314	}
		3315	};
		3316
		3317	sub reload_regions {
		3318	# HACK to clear player env face cache, we need some signal framework
		3319	# for this (global event?)
		3320	%ext::player_env::MUSIC_FACE_CACHE = ();
		3321
		3322	load_resource_file "$MAPDIR/regions"
		3323	or die "unable to load regions file\n";
		3324
		3325	for (cf::region::list) {
		3326	$_->{match} = qr/$_->{match}/
		3327	if exists $_->{match};
		3328	}
		3329	}
		3330
		3331	sub reload_facedata {
		3332	load_facedata "$DATADIR/facedata"
		3333	or die "unable to load facedata\n";
		3334	}
		3335
		3336	sub reload_archetypes {
		3337	load_resource_file "$DATADIR/archetypes"
		3338	or die "unable to load archetypes\n";
		3339	#d# NEED to laod twice to resolve forward references
		3340	# this really needs to be done in an extra post-pass
		3341	# (which needs to be synchronous, so solve it differently)
		3342	load_resource_file "$DATADIR/archetypes"
		3343	or die "unable to load archetypes\n";
		3344	}
		3345
		3346	sub reload_treasures {
		3347	load_resource_file "$DATADIR/treasures"
		3348	or die "unable to load treasurelists\n";
		3349	}
		3350
		3351	sub reload_resources {
		3352	warn "reloading resource files...\n";
		3353
		3354	reload_regions;
		3355	reload_facedata;
		3356	#reload_archetypes;#d#
		3357	reload_archetypes;
		3358	reload_treasures;
		3359
		3360	warn "finished reloading resource files\n";
		3361	}
		3362
		3363	sub init {
		3364	reload_resources;
		3365	}
		3366
		3367	sub reload_config {
2188	open my $fh, "<:utf8", cf::confdir . "/config"	3368	open my $fh, "<:utf8", "$CONFDIR/config"
2189	or return;	3369	or return;
2190		3370
2191	local $/;	3371	local $/;
2192	*CFG = YAML::Syck::Load <$fh>;	3372	*CFG = YAML::Load <$fh>;
2193		3373
2194	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3374	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2195		3375
2196	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3376	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2197	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3377	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2207		3387
2208	sub main {	3388	sub main {
2209	# we must not ever block the main coroutine	3389	# we must not ever block the main coroutine
2210	local $Coro::idle = sub {	3390	local $Coro::idle = sub {
2211	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3391	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2212	async { Event::one_event };	3392	(async {
		3393	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3394	EV::loop EV::LOOP_ONESHOT;
		3395	})->prio (Coro::PRIO_MAX);
2213	};	3396	};
2214		3397
2215	cfg_load;	3398	reload_config;
2216	db_load;	3399	db_init;
2217	load_extensions;	3400	load_extensions;
		3401
		3402	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3403	evthread_start IO::AIO::poll_fileno;
2218	Event::loop;	3404	EV::loop;
2219	}	3405	}
2220		3406
2221	#############################################################################	3407	#############################################################################
2222	# initialisation and cleanup	3408	# initialisation and cleanup
2223		3409
2224	# install some emergency cleanup handlers	3410	# install some emergency cleanup handlers
2225	BEGIN {	3411	BEGIN {
		3412	our %SIGWATCHER = ();
2226	for my $signal (qw(INT HUP TERM)) {	3413	for my $signal (qw(INT HUP TERM)) {
2227	Event->signal (	3414	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2228	data => WF_AUTOCANCEL,
2229	signal => $signal,
2230	cb => sub {
2231	cf::cleanup "SIG$signal";	3415	cf::cleanup "SIG$signal";
2232	},
2233	);	3416	};
		3417	}
		3418	}
		3419
		3420	sub write_runtime_sync {
		3421	my $runtime = "$LOCALDIR/runtime";
		3422
		3423	# first touch the runtime file to show we are still running:
		3424	# the fsync below can take a very very long time.
		3425
		3426	IO::AIO::aio_utime $runtime, undef, undef;
		3427
		3428	my $guard = cf::lock_acquire "write_runtime";
		3429
		3430	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3431	or return;
		3432
		3433	my $value = $cf::RUNTIME + 90 + 10;
		3434	# 10 is the runtime save interval, for a monotonic clock
		3435	# 60 allows for the watchdog to kill the server.
		3436
		3437	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3438	and return;
		3439
		3440	# always fsync - this file is important
		3441	aio_fsync $fh
		3442	and return;
		3443
		3444	# touch it again to show we are up-to-date
		3445	aio_utime $fh, undef, undef;
		3446
		3447	close $fh
		3448	or return;
		3449
		3450	aio_rename "$runtime~", $runtime
		3451	and return;
		3452
		3453	warn "runtime file written.\n";
		3454
2234	}	3455	1
		3456	}
		3457
		3458	our $uuid_lock;
		3459	our $uuid_skip;
		3460
		3461	sub write_uuid_sync($) {
		3462	$uuid_skip ||= $_[0];
		3463
		3464	return if $uuid_lock;
		3465	local $uuid_lock = 1;
		3466
		3467	my $uuid = "$LOCALDIR/uuid";
		3468
		3469	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3470	or return;
		3471
		3472	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3473	$uuid_skip = 0;
		3474
		3475	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3476	and return;
		3477
		3478	# always fsync - this file is important
		3479	aio_fsync $fh
		3480	and return;
		3481
		3482	close $fh
		3483	or return;
		3484
		3485	aio_rename "$uuid~", $uuid
		3486	and return;
		3487
		3488	warn "uuid file written ($value).\n";
		3489
		3490	1
		3491
		3492	}
		3493
		3494	sub write_uuid($$) {
		3495	my ($skip, $sync) = @_;
		3496
		3497	$sync ? write_uuid_sync $skip
		3498	: async { write_uuid_sync $skip };
2235	}	3499	}
2236		3500
2237	sub emergency_save() {	3501	sub emergency_save() {
2238	my $freeze_guard = cf::freeze_mainloop;	3502	my $freeze_guard = cf::freeze_mainloop;
2239		3503
…		…
2245	# and maps saved/destroyed asynchronously.	3509	# and maps saved/destroyed asynchronously.
2246	warn "begin emergency player save\n";	3510	warn "begin emergency player save\n";
2247	for my $login (keys %cf::PLAYER) {	3511	for my $login (keys %cf::PLAYER) {
2248	my $pl = $cf::PLAYER{$login} or next;	3512	my $pl = $cf::PLAYER{$login} or next;
2249	$pl->valid or next;	3513	$pl->valid or next;
		3514	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2250	$pl->save;	3515	$pl->save;
2251	}	3516	}
2252	warn "end emergency player save\n";	3517	warn "end emergency player save\n";
2253		3518
2254	warn "begin emergency map save\n";	3519	warn "begin emergency map save\n";
…		…
2256	my $map = $cf::MAP{$path} or next;	3521	my $map = $cf::MAP{$path} or next;
2257	$map->valid or next;	3522	$map->valid or next;
2258	$map->save;	3523	$map->save;
2259	}	3524	}
2260	warn "end emergency map save\n";	3525	warn "end emergency map save\n";
		3526
		3527	warn "begin emergency database checkpoint\n";
		3528	BDB::db_env_txn_checkpoint $DB_ENV;
		3529	warn "end emergency database checkpoint\n";
		3530
		3531	warn "begin write uuid\n";
		3532	write_uuid_sync 1;
		3533	warn "end write uuid\n";
2261	};	3534	};
2262		3535
2263	warn "leave emergency perl save\n";	3536	warn "leave emergency perl save\n";
2264	}	3537	}
2265		3538
		3539	sub post_cleanup {
		3540	my ($make_core) = @_;
		3541
		3542	warn Carp::longmess "post_cleanup backtrace"
		3543	if $make_core;
		3544	}
		3545
2266	sub reload() {	3546	sub do_reload_perl() {
2267	# can/must only be called in main	3547	# can/must only be called in main
2268	if ($Coro::current != $Coro::main) {	3548	if ($Coro::current != $Coro::main) {
2269	warn "can only reload from main coroutine\n";	3549	warn "can only reload from main coroutine";
2270	return;	3550	return;
2271	}	3551	}
2272		3552
2273	warn "reloading...";	3553	warn "reloading...";
2274		3554
2275	warn "freezing server";	3555	warn "entering sync_job";
2276	my $guard = freeze_mainloop;	3556
		3557	cf::sync_job {
		3558	cf::write_runtime_sync; # external watchdog should not bark
2277	cf::emergency_save;	3559	cf::emergency_save;
		3560	cf::write_runtime_sync; # external watchdog should not bark
2278		3561
2279	warn "sync database to disk";	3562	warn "syncing database to disk";
2280	cf::db_sync;	3563	BDB::db_env_txn_checkpoint $DB_ENV;
2281	IO::AIO::flush;
2282		3564
2283	eval {
2284	# if anything goes wrong in here, we should simply crash as we already saved	3565	# if anything goes wrong in here, we should simply crash as we already saved
2285		3566
2286	warn "cancel all watchers";	3567	warn "flushing outstanding aio requests";
2287	for (Event::all_watchers) {	3568	for (;;) {
2288	$_->cancel if $_->data & WF_AUTOCANCEL;	3569	BDB::flush;
		3570	IO::AIO::flush;
		3571	Coro::cede_notself;
		3572	last unless IO::AIO::nreqs || BDB::nreqs;
		3573	warn "iterate...";
2289	}	3574	}
2290		3575
		3576	++$RELOAD;
		3577
2291	warn "cancel all extension coros";	3578	warn "cancelling all extension coros";
2292	$_->cancel for values %EXT_CORO;	3579	$_->cancel for values %EXT_CORO;
2293	%EXT_CORO = ();	3580	%EXT_CORO = ();
2294		3581
2295	warn "remove commands";	3582	warn "removing commands";
2296	%COMMAND = ();	3583	%COMMAND = ();
2297		3584
2298	warn "remove ext commands";	3585	warn "removing ext/exti commands";
2299	%EXTCMD = ();	3586	%EXTCMD = ();
		3587	%EXTICMD = ();
2300		3588
2301	warn "unload/nuke all extensions";	3589	warn "unloading/nuking all extensions";
2302	for my $pkg (@EXTS) {	3590	for my $pkg (@EXTS) {
2303	warn "... unloading $pkg";	3591	warn "... unloading $pkg";
2304		3592
2305	if (my $cb = $pkg->can ("unload")) {	3593	if (my $cb = $pkg->can ("unload")) {
2306	eval {	3594	eval {
…		…
2311		3599
2312	warn "... nuking $pkg";	3600	warn "... nuking $pkg";
2313	Symbol::delete_package $pkg;	3601	Symbol::delete_package $pkg;
2314	}	3602	}
2315		3603
2316	warn "unload all perl modules loaded from $LIBDIR";	3604	warn "unloading all perl modules loaded from $LIBDIR";
2317	while (my ($k, $v) = each %INC) {	3605	while (my ($k, $v) = each %INC) {
2318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3606	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2319		3607
2320	warn "removing <$k>";	3608	warn "... unloading $k";
2321	delete $INC{$k};	3609	delete $INC{$k};
2322		3610
2323	$k =~ s/\.pm$//;	3611	$k =~ s/\.pm$//;
2324	$k =~ s/\//::/g;	3612	$k =~ s/\//::/g;
2325		3613
…		…
2328	}	3616	}
2329		3617
2330	Symbol::delete_package $k;	3618	Symbol::delete_package $k;
2331	}	3619	}
2332		3620
2333	warn "get rid of safe::, as good as possible";	3621	warn "getting rid of safe::, as good as possible";
2334	Symbol::delete_package "safe::$_"	3622	Symbol::delete_package "safe::$_"
2335	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3623	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2336		3624
2337	warn "unload cf.pm \"a bit\"";	3625	warn "unloading cf.pm \"a bit\"";
2338	delete $INC{"cf.pm"};	3626	delete $INC{"cf.pm"};
		3627	delete $INC{"cf/pod.pm"};
2339		3628
2340	# don't, removes xs symbols, too,	3629	# don't, removes xs symbols, too,
2341	# and global variables created in xs	3630	# and global variables created in xs
2342	#Symbol::delete_package __PACKAGE__;	3631	#Symbol::delete_package __PACKAGE__;
2343		3632
		3633	warn "unload completed, starting to reload now";
		3634
2344	warn "reloading cf.pm";	3635	warn "reloading cf.pm";
2345	require cf;	3636	require cf;
2346	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3637	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2347		3638
2348	warn "load config and database again";	3639	warn "loading config and database again";
2349	cf::cfg_load;	3640	cf::reload_config;
2350	cf::db_load;
2351		3641
2352	warn "load extensions";	3642	warn "loading extensions";
2353	cf::load_extensions;	3643	cf::load_extensions;
2354		3644
2355	warn "reattach attachments to objects/players";	3645	warn "reattaching attachments to objects/players";
2356	_global_reattach;	3646	_global_reattach; # objects, sockets
2357	warn "reattach attachments to maps";	3647	warn "reattaching attachments to maps";
2358	reattach $_ for values %MAP;	3648	reattach $_ for values %MAP;
		3649	warn "reattaching attachments to players";
		3650	reattach $_ for values %PLAYER;
		3651
		3652	warn "leaving sync_job";
		3653
		3654	1
		3655	} or do {
		3656	warn $@;
		3657	cf::cleanup "error while reloading, exiting.";
2359	};	3658	};
2360
2361	if ($@) {
2362	warn $@;
2363	warn "error while reloading, exiting.";
2364	exit 1;
2365	}
2366		3659
2367	warn "reloaded";	3660	warn "reloaded";
2368	};	3661	};
2369		3662
		3663	our $RELOAD_WATCHER; # used only during reload
		3664
		3665	sub reload_perl() {
		3666	# doing reload synchronously and two reloads happen back-to-back,
		3667	# coro crashes during coro_state_free->destroy here.
		3668
		3669	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3670	do_reload_perl;
		3671	undef $RELOAD_WATCHER;
		3672	};
		3673	}
		3674
2370	register_command "reload" => sub {	3675	register_command "reload" => sub {
2371	my ($who, $arg) = @_;	3676	my ($who, $arg) = @_;
2372		3677
2373	if ($who->flag (FLAG_WIZ)) {	3678	if ($who->flag (FLAG_WIZ)) {
2374	$who->message ("start of reload.");
2375	reload;
2376	$who->message ("end of reload.");	3679	$who->message ("reloading server.");
		3680	async {
		3681	$Coro::current->{desc} = "perl_reload";
		3682	reload_perl;
		3683	};
2377	}	3684	}
2378	};	3685	};
2379		3686
2380	unshift @INC, $LIBDIR;	3687	unshift @INC, $LIBDIR;
2381		3688
2382	$TICK_WATCHER = Event->timer (	3689	my $bug_warning = 0;
2383	reentrant => 0,
2384	prio => 0,
2385	at => $NEXT_TICK || $TICK,
2386	data => WF_AUTOCANCEL,
2387	cb => sub {
2388	$NOW = Event::time;
2389		3690
		3691	our @WAIT_FOR_TICK;
		3692	our @WAIT_FOR_TICK_BEGIN;
		3693
		3694	sub wait_for_tick {
		3695	return if tick_inhibit;
		3696	return if $Coro::current == $Coro::main;
		3697
		3698	my $signal = new Coro::Signal;
		3699	push @WAIT_FOR_TICK, $signal;
		3700	$signal->wait;
		3701	}
		3702
		3703	sub wait_for_tick_begin {
		3704	return if tick_inhibit;
		3705	return if $Coro::current == $Coro::main;
		3706
		3707	my $signal = new Coro::Signal;
		3708	push @WAIT_FOR_TICK_BEGIN, $signal;
		3709	$signal->wait;
		3710	}
		3711
		3712	sub tick {
		3713	if ($Coro::current != $Coro::main) {
		3714	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3715	unless ++$bug_warning > 10;
		3716	return;
		3717	}
		3718
2390	cf::server_tick; # one server iteration	3719	cf::server_tick; # one server iteration
2391	$RUNTIME += $TICK;
2392	$NEXT_TICK += $TICK;
2393		3720
2394	$WAIT_FOR_TICK->broadcast;	3721	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2395	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3722	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2396		3723	Coro::async_pool {
2397	# if we are delayed by four ticks or more, skip them all	3724	$Coro::current->{desc} = "runtime saver";
2398	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2399
2400	$TICK_WATCHER->at ($NEXT_TICK);
2401	$TICK_WATCHER->start;
2402	},
2403	);
2404
2405	IO::AIO::max_poll_time $TICK * 0.2;
2406
2407	Event->io (
2408	fd => IO::AIO::poll_fileno,
2409	poll => 'r',
2410	prio => 5,
2411	data => WF_AUTOCANCEL,
2412	cb => \&IO::AIO::poll_cb,
2413	);
2414
2415	Event->timer (
2416	data => WF_AUTOCANCEL,
2417	after => 0,
2418	interval => 10,
2419	cb => sub {
2420	(Coro::unblock_sub {
2421	write_runtime	3725	write_runtime_sync
2422	or warn "ERROR: unable to write runtime file: $!";	3726	or warn "ERROR: unable to write runtime file: $!";
2423	})->();	3727	};
2424	},	3728	}
2425	);	3729
		3730	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3731	$sig->send;
		3732	}
		3733	while (my $sig = shift @WAIT_FOR_TICK) {
		3734	$sig->send;
		3735	}
		3736
		3737	$LOAD = ($NOW - $TICK_START) / $TICK;
		3738	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3739
		3740	if (0) {
		3741	if ($NEXT_TICK) {
		3742	my $jitter = $TICK_START - $NEXT_TICK;
		3743	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3744	warn "jitter $JITTER\n";#d#
		3745	}
		3746	}
		3747	}
		3748
		3749	{
		3750	# configure BDB
		3751
		3752	BDB::min_parallel 8;
		3753	BDB::max_poll_reqs $TICK * 0.1;
		3754	$Coro::BDB::WATCHER->priority (1);
		3755
		3756	unless ($DB_ENV) {
		3757	$DB_ENV = BDB::db_env_create;
		3758	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3759	| BDB::LOG_AUTOREMOVE, 1);
		3760	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3761	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3762
		3763	cf::sync_job {
		3764	eval {
		3765	BDB::db_env_open
		3766	$DB_ENV,
		3767	$BDBDIR,
		3768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3770	0666;
		3771
		3772	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3773	};
		3774
		3775	cf::cleanup "db_env_open(db): $@" if $@;
		3776	};
		3777	}
		3778
		3779	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3780	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3781	};
		3782	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3783	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3784	};
		3785	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3786	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3787	};
		3788	}
		3789
		3790	{
		3791	# configure IO::AIO
		3792
		3793	IO::AIO::min_parallel 8;
		3794	IO::AIO::max_poll_time $TICK * 0.1;
		3795	$Coro::AIO::WATCHER->priority (1);
		3796	}
		3797
		3798	my $_log_backtrace;
		3799
		3800	sub _log_backtrace {
		3801	my ($msg, @addr) = @_;
		3802
		3803	$msg =~ s/\n//;
		3804
		3805	# limit the # of concurrent backtraces
		3806	if ($_log_backtrace < 2) {
		3807	++$_log_backtrace;
		3808	async {
		3809	$Coro::current->{desc} = "abt $msg";
		3810
		3811	my @bt = fork_call {
		3812	@addr = map { sprintf "%x", $_ } @addr;
		3813	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3814	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3815	or die "addr2line: $!";
		3816
		3817	my @funcs;
		3818	my @res = <$fh>;
		3819	chomp for @res;
		3820	while (@res) {
		3821	my ($func, $line) = splice @res, 0, 2, ();
		3822	push @funcs, "[$func] $line";
		3823	}
		3824
		3825	@funcs
		3826	};
		3827
		3828	LOG llevInfo, "[ABT] $msg\n";
		3829	LOG llevInfo, "[ABT] $_\n" for @bt;
		3830	--$_log_backtrace;
		3831	};
		3832	} else {
		3833	LOG llevInfo, "[ABT] $msg\n";
		3834	LOG llevInfo, "[ABT] [suppressed]\n";
		3835	}
		3836	}
		3837
		3838	# load additional modules
		3839	use cf::pod;
2426		3840
2427	END { cf::emergency_save }	3841	END { cf::emergency_save }
2428		3842
2429	1	3843	1
2430		3844

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines