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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.184 by root, Fri Jan 19 22:47:57 2007 UTC vs.
Revision 1.435 by root, Thu May 29 03:33:20 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;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
12		35
13	use Coro 3.4 ();	36	use Coro ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::AnyEvent;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
		43	use Coro::AnyEvent;
18	use Coro::AIO;	44	use Coro::AIO;
		45	use Coro::BDB;
		46	use Coro::Storable;
		47	use Coro::Util ();
19		48
		49	use JSON::XS 2.01 ();
		50	use BDB ();
20	use Data::Dumper;	51	use Data::Dumper;
21	use Digest::MD5;	52	use Digest::MD5;
22	use Fcntl;	53	use Fcntl;
		54	use YAML ();
23	use IO::AIO 2.32 ();	55	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	56	use Time::HiRes;
		57	use Compress::LZF;
		58	use Digest::MD5 ();
26		59
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	60	AnyEvent::detect;
		61
		62	# configure various modules to our taste
		63	#
		64	$Storable::canonical = 1; # reduce rsync transfers
		65	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		66	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		67
		68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		69
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	70	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		71
36	our %COMMAND = ();	72	our %COMMAND = ();
37	our %COMMAND_TIME = ();	73	our %COMMAND_TIME = ();
38		74
39	our @EXTS = (); # list of extension package names	75	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	76	our %EXTCMD = ();
		77	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	78	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	79	our %EXT_MAP = (); # pluggable maps
43		80
		81	our $RELOAD; # number of reloads so far
44	our @EVENT;	82	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		83
47	our $TICK = MAX_TIME * 1e-6;	84	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	85	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	86	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	87	our $PODDIR = "$DATADIR/pod";
		88	our $MAPDIR = "$DATADIR/" . mapdir;
		89	our $LOCALDIR = localdir;
		90	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		93	our $RANDOMDIR = "$LOCALDIR/random";
		94	our $BDBDIR = "$LOCALDIR/db";
		95	our %RESOURCE;
		96
		97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	99	our $NEXT_TICK;
52	our $NOW;	100	our $USE_FSYNC = 1; # use fsync to write maps - default off
		101
		102	our $BDB_DEADLOCK_WATCHER;
		103	our $BDB_CHECKPOINT_WATCHER;
		104	our $BDB_TRICKLE_WATCHER;
		105	our $DB_ENV;
53		106
54	our %CFG;	107	our %CFG;
55		108
56	our $UPTIME; $UPTIME ||= time;	109	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	110	our $RUNTIME;
		111	our $NOW;
58		112
59	our %PLAYER; # all users	113	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	114	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	115	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		116
67	# used to convert map paths into valid unix filenames by replacing / by ∕	117	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	118	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		119
		120	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		121	our $LOADAVG; # same thing, but with alpha-smoothing
		122	our $JITTER; # average jitter
		123	our $TICK_START; # for load detecting purposes
		124
70	binmode STDOUT;	125	binmode STDOUT;
71	binmode STDERR;	126	binmode STDERR;
72		127
73	# read virtual server time, if available	128	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	129	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	130	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	131	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	132	$RUNTIME = <$fh> + 0.;
78	}	133	}
79		134
80	mkdir cf::localdir;	135	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		137
86	our $EMERGENCY_POSITION;	138	our $EMERGENCY_POSITION;
		139
		140	sub cf::map::normalise;
87		141
88	#############################################################################	142	#############################################################################
89		143
90	=head2 GLOBAL VARIABLES	144	=head2 GLOBAL VARIABLES
91		145
…		…
98	=item $cf::RUNTIME	152	=item $cf::RUNTIME
99		153
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	154	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	155	every server tick.
102		156
103	=item $cf::LIBDIR	157	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		158	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		159	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		160
105	The perl library directory, where extensions and cf-specific modules can	161	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	162	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		163	unique-items directory, player file directory, random maps directory and
		164	database environment.
107		165
108	=item $cf::NOW	166	=item $cf::NOW
109		167
110	The time of the last (current) server tick.	168	The time of the last (current) server tick.
111		169
112	=item $cf::TICK	170	=item $cf::TICK
113		171
114	The interval between server ticks, in seconds.	172	The interval between server ticks, in seconds.
115		173
		174	=item $cf::LOADAVG
		175
		176	The current CPU load on the server (alpha-smoothed), as a value between 0
		177	(none) and 1 (overloaded), indicating how much time is spent on processing
		178	objects per tick. Healthy values are < 0.5.
		179
		180	=item $cf::LOAD
		181
		182	The raw value load value from the last tick.
		183
116	=item %cf::CFG	184	=item %cf::CFG
117		185
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	186	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	187	from wherever your confdir points to.
120		188
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	189	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		190
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	191	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	192	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	193	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	194
		195	=item @cf::INVOKE_RESULTS
		196
		197	This array contains the results of the last C<invoke ()> call. When
		198	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		199	that call.
127		200
128	=back	201	=back
129		202
130	=cut	203	=cut
131		204
132	BEGIN {	205	BEGIN {
133	*CORE::GLOBAL::warn = sub {	206	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	207	my $msg = join "", @_;
135	utf8::encode $msg;
136		208
137	$msg .= "\n"	209	$msg .= "\n"
138	unless $msg =~ /\n$/;	210	unless $msg =~ /\n$/;
139		211
		212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		213
140	LOG llevError, $msg;	214	LOG llevError, $msg;
141	};	215	};
142	}	216	}
		217
		218	$Coro::State::DIEHOOK = sub {
		219	return unless $^S eq 0; # "eq", not "=="
		220
		221	if ($Coro::current == $Coro::main) {#d#
		222	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		223	return;#d#
		224	}#d#
		225
		226	# kill coroutine otherwise
		227	warn Carp::longmess $_[0];
		228	Coro::terminate
		229	};
		230
		231	$SIG{__DIE__} = sub { }; #d#?
143		232
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	237	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		238	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	239	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		240
151	# we bless all objects into (empty) derived classes to force a method lookup	241	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	242	# within the Safe compartment.
153	for my $pkg (qw(	243	for my $pkg (qw(
154	cf::global cf::attachable	244	cf::global cf::attachable
…		…
159	)) {	249	)) {
160	no strict 'refs';	250	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	251	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	252	}
163		253
164	$Event::DIED = sub {	254	$EV::DIED = sub {
165	warn "error in event callback: @_";	255	warn "error in event callback: @_";
166	};	256	};
		257
		258	#############################################################################
167		259
168	=head2 UTILITY FUNCTIONS	260	=head2 UTILITY FUNCTIONS
169		261
170	=over 4	262	=over 4
171		263
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	282	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	283	$d
192	} || "[unable to dump $_[0]: '$@']";	284	} || "[unable to dump $_[0]: '$@']";
193	}	285	}
194		286
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	287	=item $ref = cf::decode_json $json
198		288
199	Converts a JSON string into the corresponding perl data structure.	289	Converts a JSON string into the corresponding perl data structure.
200		290
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	291	=item $json = cf::encode_json $ref
209		292
210	Converts a perl data structure into its JSON representation.	293	Converts a perl data structure into its JSON representation.
211		294
212	=cut	295	=cut
213		296
214	sub to_json($) {	297	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	298
216	JSON::Syck::Dump $_[0]	299	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	300	sub decode_json($) { $json_coder->decode ($_[0]) }
218		301
219	=item cf::lock_wait $string	302	=item cf::lock_wait $string
220		303
221	Wait until the given lock is available. See cf::lock_acquire.	304	Wait until the given lock is available. See cf::lock_acquire.
222		305
…		…
225	Wait until the given lock is available and then acquires it and returns	308	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	309	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	310	for example when the coroutine gets canceled), the lock is automatically
228	returned.	311	returned.
229		312
		313	Locks are *not* recursive, locking from the same coro twice results in a
		314	deadlocked coro.
		315
230	Lock names should begin with a unique identifier (for example, cf::map::find	316	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	317	uses map_find and cf::map::load uses map_load).
232		318
		319	=item $locked = cf::lock_active $string
		320
		321	Return true if the lock is currently active, i.e. somebody has locked it.
		322
233	=cut	323	=cut
234		324
235	our %LOCK;	325	our %LOCK;
		326	our %LOCKER;#d#
236		327
237	sub lock_wait($) {	328	sub lock_wait($) {
238	my ($key) = @_;	329	my ($key) = @_;
		330
		331	if ($LOCKER{$key} == $Coro::current) {#d#
		332	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		333	return;#d#
		334	}#d#
239		335
240	# wait for lock, if any	336	# wait for lock, if any
241	while ($LOCK{$key}) {	337	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	338	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	339	Coro::schedule;
…		…
249		345
250	# wait, to be sure we are not locked	346	# wait, to be sure we are not locked
251	lock_wait $key;	347	lock_wait $key;
252		348
253	$LOCK{$key} = [];	349	$LOCK{$key} = [];
		350	$LOCKER{$key} = $Coro::current;#d#
254		351
255	Coro::guard {	352	Coro::guard {
		353	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	354	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	355	$_->ready for @{ delete $LOCK{$key} };
258	}	356	}
259	}	357	}
260		358
		359	sub lock_active($) {
		360	my ($key) = @_;
		361
		362	! ! $LOCK{$key}
		363	}
		364
261	sub freeze_mainloop {	365	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	366	tick_inhibit_inc;
263		367
264	my $guard = Coro::guard {	368	Coro::guard \&tick_inhibit_dec;
265	$TICK_WATCHER->start;	369	}
266	$WRITE_RUNTIME_WATCHER->start;	370
		371	=item cf::periodic $interval, $cb
		372
		373	Like EV::periodic, but randomly selects a starting point so that the actions
		374	get spread over timer.
		375
		376	=cut
		377
		378	sub periodic($$) {
		379	my ($interval, $cb) = @_;
		380
		381	my $start = rand List::Util::min 180, $interval;
		382
		383	EV::periodic $start, $interval, 0, $cb
		384	}
		385
		386	=item cf::get_slot $time[, $priority[, $name]]
		387
		388	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		389	This call blocks and returns only when you have at least C<$time> seconds
		390	of cpu time till the next tick. The slot is only valid till the next cede.
		391
		392	The optional C<$name> can be used to identify the job to run. It might be
		393	used for statistical purposes and should identify the same time-class.
		394
		395	Useful for short background jobs.
		396
		397	=cut
		398
		399	our @SLOT_QUEUE;
		400	our $SLOT_QUEUE;
		401
		402	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		403	$SLOT_QUEUE = Coro::async {
		404	$Coro::current->desc ("timeslot manager");
		405
		406	my $signal = new Coro::Signal;
		407
		408	while () {
		409	next_job:
		410	my $avail = cf::till_tick;
		411	if ($avail > 0.01) {
		412	for (0 .. $#SLOT_QUEUE) {
		413	if ($SLOT_QUEUE[$_][0] < $avail) {
		414	my $job = splice @SLOT_QUEUE, $_, 1, ();
		415	$job->[2]->send;
		416	Coro::cede;
		417	goto next_job;
		418	}
		419	}
		420	}
		421
		422	if (@SLOT_QUEUE) {
		423	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		424	push @cf::WAIT_FOR_TICK, $signal;
		425	$signal->wait;
		426	} else {
		427	Coro::schedule;
		428	}
267	};	429	}
268	$WRITE_RUNTIME_WATCHER->stop;	430	};
269	$TICK_WATCHER->stop;	431
270	$guard	432	sub get_slot($;$$) {
		433	return if tick_inhibit || $Coro::current == $Coro::main;
		434
		435	my ($time, $pri, $name) = @_;
		436
		437	$time = $TICK * .6 if $time > $TICK * .6;
		438	my $sig = new Coro::Signal;
		439
		440	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		441	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		442	$SLOT_QUEUE->ready;
		443	$sig->wait;
271	}	444	}
272		445
273	=item cf::async { BLOCK }	446	=item cf::async { BLOCK }
274		447
275	Currently the same as Coro::async_pool, meaning you cannot use	448	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		453
281	BEGIN { *async = \&Coro::async_pool }	454	BEGIN { *async = \&Coro::async_pool }
282		455
283	=item cf::sync_job { BLOCK }	456	=item cf::sync_job { BLOCK }
284		457
285	The design of crossfire+ requires that the main coro ($Coro::main) is	458	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	459	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	460	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		461	acceptable.
288		462
289	If it must be done, put the blocking parts into C<sync_job>. This will run	463	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	464	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	465	server will be frozen during this time, so the block should either finish
292	fast or be very important.	466	fast or be very important.
…		…
295		469
296	sub sync_job(&) {	470	sub sync_job(&) {
297	my ($job) = @_;	471	my ($job) = @_;
298		472
299	if ($Coro::current == $Coro::main) {	473	if ($Coro::current == $Coro::main) {
		474	my $time = EV::time;
		475
300	# this is the main coro, too bad, we have to block	476	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	477	# till the operation succeeds, freezing the server :/
302		478
303	# TODO: use suspend/resume instead	479	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	480
305	my $freeze_guard = freeze_mainloop;	481	my $freeze_guard = freeze_mainloop;
306		482
307	my $busy = 1;	483	my $busy = 1;
308	my @res;	484	my @res;
309		485
310	(async {	486	(async {
		487	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	488	@res = eval { $job->() };
312	warn $@ if $@;	489	warn $@ if $@;
313	undef $busy;	490	undef $busy;
314	})->prio (Coro::PRIO_MAX);	491	})->prio (Coro::PRIO_MAX);
315		492
316	while ($busy) {	493	while ($busy) {
317	Coro::cede or Event::one_event;	494	if (Coro::nready) {
		495	Coro::cede_notself;
		496	} else {
		497	EV::loop EV::LOOP_ONESHOT;
318	}	498	}
		499	}
		500
		501	my $time = EV::time - $time;
		502
		503	$TICK_START += $time; # do not account sync jobs to server load
319		504
320	wantarray ? @res : $res[0]	505	wantarray ? @res : $res[0]
321	} else {	506	} else {
322	# we are in another coroutine, how wonderful, everything just works	507	# we are in another coroutine, how wonderful, everything just works
323		508
…		…
343	$EXT_CORO{$coro+0} = $coro;	528	$EXT_CORO{$coro+0} = $coro;
344		529
345	$coro	530	$coro
346	}	531	}
347		532
348	sub write_runtime {	533	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		534
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	535	Executes the given code block with the given arguments in a seperate
352	or return;	536	process, returning the results. Everything must be serialisable with
		537	Coro::Storable. May, of course, block. Note that the executed sub may
		538	never block itself or use any form of event handling.
353		539
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	540	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		541
358	aio_fsync $fh	542	sub fork_call(&@) {
359	and return;	543	my ($cb, @args) = @_;
360		544
361	close $fh	545	# we seemingly have to make a local copy of the whole thing,
362	or return;	546	# otherwise perl prematurely frees the stuff :/
		547	# TODO: investigate and fix (likely this will be rather laborious)
363		548
364	aio_rename "$runtime~", $runtime	549	my @res = Coro::Util::fork_eval {
365	and return;	550	reset_signals;
		551	&$cb
		552	}, @args;
366		553
		554	wantarray ? @res : $res[-1]
		555	}
		556
		557	=item $coin = coin_from_name $name
		558
		559	=cut
		560
		561	our %coin_alias = (
		562	"silver" => "silvercoin",
		563	"silvercoin" => "silvercoin",
		564	"silvercoins" => "silvercoin",
		565	"gold" => "goldcoin",
		566	"goldcoin" => "goldcoin",
		567	"goldcoins" => "goldcoin",
		568	"platinum" => "platinacoin",
		569	"platinumcoin" => "platinacoin",
		570	"platinumcoins" => "platinacoin",
		571	"platina" => "platinacoin",
		572	"platinacoin" => "platinacoin",
		573	"platinacoins" => "platinacoin",
		574	"royalty" => "royalty",
		575	"royalties" => "royalty",
		576	);
		577
		578	sub coin_from_name($) {
		579	$coin_alias{$_[0]}
		580	? cf::arch::find $coin_alias{$_[0]}
		581	: undef
		582	}
		583
		584	=item $value = cf::db_get $family => $key
		585
		586	Returns a single value from the environment database.
		587
		588	=item cf::db_put $family => $key => $value
		589
		590	Stores the given C<$value> in the family. It can currently store binary
		591	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		592
		593	=item $db = cf::db_table "name"
		594
		595	Create and/or open a new database table. The string must not be "db" and must be unique
		596	within each server.
		597
		598	=cut
		599
		600	sub db_table($) {
		601	my ($name) = @_;
		602	my $db = BDB::db_create $DB_ENV;
		603
		604	eval {
		605	$db->set_flags (BDB::CHKSUM);
		606
		607	utf8::encode $name;
		608	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		609	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		610	cf::cleanup "db_open(db): $!" if $!;
		611	};
		612	cf::cleanup "db_open(db): $@" if $@;
		613
		614	$db
		615	}
		616
		617	our $DB;
		618
		619	sub db_init {
		620	cf::sync_job {
		621	$DB ||= db_table "db";
		622	};
		623	}
		624
		625	sub db_get($$) {
		626	my $key = "$_[0]/$_[1]";
		627
		628	cf::sync_job {
		629	BDB::db_get $DB, undef, $key, my $data;
		630
		631	$! ? ()
		632	: $data
367	1	633	}
		634	}
		635
		636	sub db_put($$$) {
		637	BDB::dbreq_pri 4;
		638	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		639	}
		640
		641	=item cf::cache $id => [$paths...], $processversion => $process
		642
		643	Generic caching function that returns the value of the resource $id,
		644	caching and regenerating as required.
		645
		646	This function can block.
		647
		648	=cut
		649
		650	sub cache {
		651	my ($id, $src, $processversion, $process) = @_;
		652
		653	my $meta =
		654	join "\x00",
		655	$processversion,
		656	map {
		657	aio_stat $_
		658	and Carp::croak "$_: $!";
		659
		660	($_, (stat _)[7,9])
		661	} @$src;
		662
		663	my $dbmeta = db_get cache => "$id/meta";
		664	if ($dbmeta ne $meta) {
		665	# changed, we may need to process
		666
		667	my @data;
		668	my $md5;
		669
		670	for (0 .. $#$src) {
		671	0 <= aio_load $src->[$_], $data[$_]
		672	or Carp::croak "$src->[$_]: $!";
		673	}
		674
		675	# if processing is expensive, check
		676	# checksum first
		677	if (1) {
		678	$md5 =
		679	join "\x00",
		680	$processversion,
		681	map {
		682	cf::cede_to_tick;
		683	($src->[$_], Digest::MD5::md5_hex $data[$_])
		684	} 0.. $#$src;
		685
		686
		687	my $dbmd5 = db_get cache => "$id/md5";
		688	if ($dbmd5 eq $md5) {
		689	db_put cache => "$id/meta", $meta;
		690
		691	return db_get cache => "$id/data";
		692	}
		693	}
		694
		695	my $t1 = Time::HiRes::time;
		696	my $data = $process->(\@data);
		697	my $t2 = Time::HiRes::time;
		698
		699	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		700
		701	db_put cache => "$id/data", $data;
		702	db_put cache => "$id/md5" , $md5;
		703	db_put cache => "$id/meta", $meta;
		704
		705	return $data;
		706	}
		707
		708	db_get cache => "$id/data"
		709	}
		710
		711	=item cf::datalog type => key => value, ...
		712
		713	Log a datalog packet of the given type with the given key-value pairs.
		714
		715	=cut
		716
		717	sub datalog($@) {
		718	my ($type, %kv) = @_;
		719	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	720	}
369		721
370	=back	722	=back
371		723
372	=cut	724	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	731	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	732	to it. All such attachable objects support the following methods.
381		733
382	In the following description, CLASS can be any of C<global>, C<object>	734	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	735	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	736	Deliantra).
385		737
386	=over 4	738	=over 4
387		739
388	=item $attachable->attach ($attachment, key => $value...)	740	=item $attachable->attach ($attachment, key => $value...)
389		741
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	904	$registry = $CB_TYPE[$object_type] ||= [];
553		905
554	} elsif ($type eq "subtype") {	906	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	907	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	908	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	909	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		910
559	} elsif ($type eq "package") {	911	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	912	my $pkg = shift @arg;
561		913
562	while (my ($name, $id) = each %cb_id) {	914	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	943	_attach $registry, $klass, @attach;
592	}	944	}
593		945
594	$obj->{$name} = \%arg;	946	$obj->{$name} = \%arg;
595	} else {	947	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	948	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	949	}
598		950
599	$obj->{_attachment}{$name} = undef;	951	$obj->{_attachment}{$name} = undef;
600	}	952	}
601		953
…		…
603	if (ref $_[0]) {	955	if (ref $_[0]) {
604	_object_attach @_;	956	_object_attach @_;
605	} else {	957	} else {
606	_attach shift->_attach_registry, @_;	958	_attach shift->_attach_registry, @_;
607	}	959	}
		960	_recalc_want;
608	};	961	};
609		962
610	# all those should be optimised	963	# all those should be optimised
611	sub cf::attachable::detach {	964	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	965	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	968	delete $obj->{_attachment}{$name};
616	reattach ($obj);	969	reattach ($obj);
617	} else {	970	} else {
618	Carp::croak "cannot, currently, detach class attachments";	971	Carp::croak "cannot, currently, detach class attachments";
619	}	972	}
		973	_recalc_want;
620	};	974	};
621		975
622	sub cf::attachable::attached {	976	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	977	my ($obj, $name) = @_;
624		978
…		…
639	";	993	";
640	die if $@;	994	die if $@;
641	}	995	}
642		996
643	our $override;	997	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	998	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		999
646	sub override {	1000	sub override {
647	$override = 1;	1001	$override = 1;
648	@invoke_results = ();	1002	@INVOKE_RESULTS = (@_);
649	}	1003	}
650		1004
651	sub do_invoke {	1005	sub do_invoke {
652	my $event = shift;	1006	my $event = shift;
653	my $callbacks = shift;	1007	my $callbacks = shift;
654		1008
655	@invoke_results = ();	1009	@INVOKE_RESULTS = ();
656		1010
657	local $override;	1011	local $override;
658		1012
659	for (@$callbacks) {	1013	for (@$callbacks) {
660	eval { &{$_->[1]} };	1014	eval { &{$_->[1]} };
…		…
669	}	1023	}
670		1024
671	0	1025	0
672	}	1026	}
673		1027
674	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1028	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675		1029
676	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677		1031
678	Generate an object-specific event with the given arguments.	1032	Generate an object-specific event with the given arguments.
679		1033
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1034	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681	removed in future versions), and there is no public API to access override	1035	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	1036	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		1037
684	=back	1038	=back
685		1039
686	=cut	1040	=cut
687		1041
688	#############################################################################	1042	#############################################################################
689	# object support	1043	# object support
		1044
		1045	sub _object_equal($$);
		1046	sub _object_equal($$) {
		1047	my ($a, $b) = @_;
		1048
		1049	return 0 unless (ref $a) eq (ref $b);
		1050
		1051	if ("HASH" eq ref $a) {
		1052	my @ka = keys %$a;
		1053	my @kb = keys %$b;
		1054
		1055	return 0 if @ka != @kb;
		1056
		1057	for (0 .. $#ka) {
		1058	return 0 unless $ka[$_] eq $kb[$_];
		1059	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1060	}
		1061
		1062	} elsif ("ARRAY" eq ref $a) {
		1063
		1064	return 0 if @$a != @$b;
		1065
		1066	for (0 .. $#$a) {
		1067	return 0 unless _object_equal $a->[$_], $b->[$_];
		1068	}
		1069
		1070	} elsif ($a ne $b) {
		1071	return 0;
		1072	}
		1073
		1074	1
		1075	}
		1076
		1077	our $SLOW_MERGES;#d#
		1078	sub _can_merge {
		1079	my ($ob1, $ob2) = @_;
		1080
		1081	++$SLOW_MERGES;#d#
		1082
		1083	# we do the slow way here
		1084	return _object_equal $ob1, $ob2
		1085	}
690		1086
691	sub reattach {	1087	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	1088	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	1089	my ($obj) = @_;
694		1090
…		…
715	cf::attachable->attach (	1111	cf::attachable->attach (
716	prio => -1000000,	1112	prio => -1000000,
717	on_instantiate => sub {	1113	on_instantiate => sub {
718	my ($obj, $data) = @_;	1114	my ($obj, $data) = @_;
719		1115
720	$data = from_json $data;	1116	$data = decode_json $data;
721		1117
722	for (@$data) {	1118	for (@$data) {
723	my ($name, $args) = @$_;	1119	my ($name, $args) = @$_;
724		1120
725	$obj->attach ($name, %{$args || {} });	1121	$obj->attach ($name, %{$args || {} });
…		…
741	sub object_freezer_save {	1137	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1138	my ($filename, $rdata, $objs) = @_;
743		1139
744	sync_job {	1140	sync_job {
745	if (length $$rdata) {	1141	if (length $$rdata) {
		1142	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1143	warn sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1144	$decname, length $$rdata, scalar @$objs;
748		1145
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1146	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1147	aio_chmod $fh, SAVE_MODE;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1148	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1149	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1150	aio_close $fh;
754		1151
755	if (@$objs) {	1152	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1155	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1156	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1157	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1158	aio_close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1159	aio_rename "$filename.pst~", "$filename.pst";
763	}	1160	}
764	} else {	1161	} else {
765	aio_unlink "$filename.pst";	1162	aio_unlink "$filename.pst";
766	}	1163	}
…		…
771	}	1168	}
772	} else {	1169	} else {
773	aio_unlink $filename;	1170	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
775	}	1172	}
776	}	1173	};
777	}	1174	}
778		1175
779	sub object_freezer_as_string {	1176	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1177	my ($rdata, $objs) = @_;
781		1178
…		…
793	or return;	1190	or return;
794		1191
795	unless (aio_stat "$filename.pst") {	1192	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1193	(aio_load "$filename.pst", $av) >= 0
797	or return;	1194	or return;
		1195
798	$av = eval { (Storable::thaw $av)->{objs} };	1196	my $st = eval { Coro::Storable::thaw $av };
		1197	$av = $st->{objs};
799	}	1198	}
800		1199
		1200	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1201	warn sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1202	$decname, length $data, scalar @{$av || []};
		1203
803	return ($data, $av);	1204	($data, $av)
804	}	1205	}
		1206
		1207	=head2 COMMAND CALLBACKS
		1208
		1209	=over 4
		1210
		1211	=cut
805		1212
806	#############################################################################	1213	#############################################################################
807	# command handling &c	1214	# command handling &c
808		1215
809	=item cf::register_command $name => \&callback($ob,$args);	1216	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1229	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1230	}
824		1231
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1232	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1233
827	Register a callbackf ro execution when the client sends an extcmd packet.	1234	Register a callback for execution when the client sends an (synchronous)
		1235	extcmd packet. Ext commands will be processed in the order they are
		1236	received by the server, like other user commands. The first argument is
		1237	the logged-in player. Ext commands can only be processed after a player
		1238	has logged in successfully.
828		1239
829	If the callback returns something, it is sent back as if reply was being	1240	If the callback returns something, it is sent back as if reply was being
830	called.	1241	called.
831		1242
		1243	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1244
		1245	Register a callback for execution when the client sends an (asynchronous)
		1246	exticmd packet. Exti commands are processed by the server as soon as they
		1247	are received, i.e. out of order w.r.t. other commands. The first argument
		1248	is a client socket. Exti commands can be received anytime, even before
		1249	log-in.
		1250
		1251	If the callback returns something, it is sent back as if reply was being
		1252	called.
		1253
832	=cut	1254	=cut
833		1255
834	sub register_extcmd {	1256	sub register_extcmd {
835	my ($name, $cb) = @_;	1257	my ($name, $cb) = @_;
836		1258
837	$EXTCMD{$name} = $cb;	1259	$EXTCMD{$name} = $cb;
		1260	}
		1261
		1262	sub register_exticmd {
		1263	my ($name, $cb) = @_;
		1264
		1265	$EXTICMD{$name} = $cb;
838	}	1266	}
839		1267
840	cf::player->attach (	1268	cf::player->attach (
841	on_command => sub {	1269	on_command => sub {
842	my ($pl, $name, $params) = @_;	1270	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1279	cf::override;
852	},	1280	},
853	on_extcmd => sub {	1281	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1282	my ($pl, $buf) = @_;
855		1283
856	my $msg = eval { from_json $buf };	1284	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1285
858	if (ref $msg) {	1286	if (ref $msg) {
		1287	my ($type, $reply, @payload) =
		1288	"ARRAY" eq ref $msg
		1289	? @$msg
		1290	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1291
		1292	my @reply;
		1293
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1294	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1295	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1296	}
		1297
		1298	$pl->ext_reply ($reply, @reply)
		1299	if $reply;
		1300
864	} else {	1301	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1302	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1303	}
867		1304
868	cf::override;	1305	cf::override;
869	},	1306	},
870	);	1307	);
871		1308
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1309	sub load_extensions {
		1310	cf::sync_job {
		1311	my %todo;
		1312
907	for my $ext (<$LIBDIR/*.ext>) {	1313	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1314	next unless -r $path;
909	eval {	1315
910	load_extension $ext;	1316	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1317	my $base = $1;
		1318	my $pkg = $1;
		1319	$pkg =~ s/[^[:word:]]/_/g;
		1320	$pkg = "ext::$pkg";
		1321
		1322	open my $fh, "<:utf8", $path
		1323	or die "$path: $!";
		1324
		1325	my $source = do { local $/; <$fh> };
		1326
		1327	my %ext = (
		1328	path => $path,
		1329	base => $base,
		1330	pkg => $pkg,
		1331	);
		1332
		1333	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1334	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1335
		1336	$ext{source} =
		1337	"package $pkg; use strict; use utf8;\n"
		1338	. "#line 1 \"$path\"\n{\n"
		1339	. $source
		1340	. "\n};\n1";
		1341
		1342	$todo{$base} = \%ext;
		1343	}
		1344
		1345	my %done;
		1346	while (%todo) {
		1347	my $progress;
		1348
		1349	while (my ($k, $v) = each %todo) {
		1350	for (split /,\s*/, $v->{meta}{depends}) {
		1351	goto skip
		1352	unless exists $done{$_};
		1353	}
		1354
		1355	warn "... loading '$k' into '$v->{pkg}'\n";
		1356
		1357	unless (eval $v->{source}) {
		1358	my $msg = $@ ? "$v->{path}: $@\n"
		1359	: "$v->{base}: extension inactive.\n";
		1360
		1361	if (exists $v->{meta}{mandatory}) {
		1362	warn $msg;
		1363	cf::cleanup "mandatory extension failed to load, exiting.";
		1364	}
		1365
		1366	warn $msg;
		1367	}
		1368
		1369	$done{$k} = delete $todo{$k};
		1370	push @EXTS, $v->{pkg};
		1371	$progress = 1;
911	1	1372	}
912	} or warn "$ext not loaded: $@";	1373
		1374	skip:
		1375	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1376	unless $progress;
		1377	}
913	}	1378	};
914	}	1379	}
915		1380
916	#############################################################################	1381	#############################################################################
917		1382
		1383	=back
		1384
918	=head2 CORE EXTENSIONS	1385	=head2 CORE EXTENSIONS
919		1386
920	Functions and methods that extend core crossfire objects.	1387	Functions and methods that extend core crossfire objects.
921		1388
922	=cut	1389	=cut
…		…
927		1394
928	=head3 cf::player	1395	=head3 cf::player
929		1396
930	=over 4	1397	=over 4
931		1398
		1399	=item cf::player::num_playing
		1400
		1401	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1402
		1403	=cut
		1404
		1405	sub num_playing {
		1406	scalar grep
		1407	$_->ob->map
		1408	&& !$_->hidden
		1409	&& !$_->ob->flag (cf::FLAG_WIZ),
		1410	cf::player::list
		1411	}
		1412
932	=item cf::player::find $login	1413	=item cf::player::find $login
933		1414
934	Returns the given player object, loading it if necessary (might block).	1415	Returns the given player object, loading it if necessary (might block).
935		1416
936	=cut	1417	=cut
937		1418
938	sub playerdir($) {	1419	sub playerdir($) {
939	cf::localdir	1420	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1421	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1422	}
945		1423
946	sub path($) {	1424	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1425	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1426
949	(playerdir $login) . "/$login.pl"	1427	(playerdir $login) . "/playerdata"
950	}	1428	}
951		1429
952	sub find_active($) {	1430	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1431	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1432	and $cf::PLAYER{$_[0]}->active
…		…
967	my $login = $_[0];	1445	my $login = $_[0];
968		1446
969	my $guard = cf::lock_acquire "user_find:$login";	1447	my $guard = cf::lock_acquire "user_find:$login";
970		1448
971	$cf::PLAYER{$_[0]} || do {	1449	$cf::PLAYER{$_[0]} || do {
972	my $pl = load_pl path $login	1450	# rename old playerfiles to new ones
		1451	#TODO: remove when no longer required
		1452	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1453	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1454	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1455	aio_unlink +(playerdir $login) . "/$login.pl";
		1456
		1457	my $f = new_from_file cf::object::thawer path $login
973	or return;	1458	or return;
		1459
		1460	my $pl = cf::player::load_pl $f
		1461	or return;
		1462
		1463	local $cf::PLAYER_LOADING{$login} = $pl;
		1464	$f->resolve_delayed_derefs;
974	$cf::PLAYER{$login} = $pl	1465	$cf::PLAYER{$login} = $pl
975	}	1466	}
976	}	1467	}
977	}	1468	}
978		1469
…		…
987	return if $pl->{deny_save};	1478	return if $pl->{deny_save};
988		1479
989	aio_mkdir playerdir $pl, 0770;	1480	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1481	$pl->{last_save} = $cf::RUNTIME;
991		1482
		1483	cf::get_slot 0.01;
		1484
992	$pl->save_pl ($path);	1485	$pl->save_pl ($path);
993	Coro::cede;	1486	cf::cede_to_tick;
994	}	1487	}
995		1488
996	sub new($) {	1489	sub new($) {
997	my ($login) = @_;	1490	my ($login) = @_;
998		1491
…		…
1004	$cf::PLAYER{$login} = $self;	1497	$cf::PLAYER{$login} = $self;
1005		1498
1006	$self	1499	$self
1007	}	1500	}
1008		1501
		1502	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1503
		1504	=cut
		1505
		1506	sub send_msg {
		1507	my $ns = shift->ns
		1508	or return;
		1509	$ns->send_msg (@_);
		1510	}
		1511
1009	=item $pl->quit_character	1512	=item $pl->quit_character
1010		1513
1011	Nukes the player without looking back. If logged in, the connection will	1514	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1515	be destroyed. May block for a long time.
1013		1516
1014	=cut	1517	=cut
1015		1518
1016	sub quit_character {	1519	sub quit_character {
1017	my ($pl) = @_;	1520	my ($pl) = @_;
1018		1521
		1522	my $name = $pl->ob->name;
		1523
1019	$pl->{deny_save} = 1;	1524	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1525	$pl->password ("*"); # this should lock out the player until we nuked the dir
1021		1526
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1527	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1023	$pl->deactivate;	1528	$pl->deactivate;
		1529	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1530	$pl->ob->check_score;
1024	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1531	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1025	$pl->ns->destroy if $pl->ns;	1532	$pl->ns->destroy if $pl->ns;
1026		1533
1027	my $path = playerdir $pl;	1534	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1535	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1536	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1537	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1538	$pl->destroy;
		1539
		1540	my $prefix = qr<^~\Q$name\E/>;
		1541
		1542	# nuke player maps
		1543	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1544
1032	IO::AIO::aio_rmtree $temp;	1545	IO::AIO::aio_rmtree $temp;
		1546	}
		1547
		1548	=item $pl->kick
		1549
		1550	Kicks a player out of the game. This destroys the connection.
		1551
		1552	=cut
		1553
		1554	sub kick {
		1555	my ($pl, $kicker) = @_;
		1556
		1557	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1558	$pl->killer ("kicked");
		1559	$pl->ns->destroy;
1033	}	1560	}
1034		1561
1035	=item cf::player::list_logins	1562	=item cf::player::list_logins
1036		1563
1037	Returns am arrayref of all valid playernames in the system, can take a	1564	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1565	while and may block, so not sync_job-capable, ever.
1039		1566
1040	=cut	1567	=cut
1041		1568
1042	sub list_logins {	1569	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1570	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1571	or return [];
1045		1572
1046	my @logins;	1573	my @logins;
1047		1574
1048	for my $login (@$dirs) {	1575	for my $login (@$dirs) {
		1576	my $path = path $login;
		1577
		1578	# a .pst is a dead give-away for a valid player
		1579	# if no pst file found, open and chekc for blocked users
		1580	if (aio_stat "$path.pst") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1581	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1582	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1583	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1584	}
1052		1585
1053	utf8::decode $login;	1586	utf8::decode $login;
1054	push @logins, $login;	1587	push @logins, $login;
1055	}	1588	}
1056		1589
…		…
1064		1597
1065	=cut	1598	=cut
1066		1599
1067	sub maps($) {	1600	sub maps($) {
1068	my ($pl) = @_;	1601	my ($pl) = @_;
		1602
		1603	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1604
1070	my $files = aio_readdir playerdir $pl	1605	my $files = aio_readdir playerdir $pl
1071	or return;	1606	or return;
1072		1607
1073	my @paths;	1608	my @paths;
…		…
1075	for (@$files) {	1610	for (@$files) {
1076	utf8::decode $_;	1611	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1612	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1613	next unless /^$PATH_SEP/o;
1079		1614
1080	s/\.map$//;	1615	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1616	}
1083		1617
1084	\@paths	1618	\@paths
1085	}	1619	}
1086		1620
		1621	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1622
		1623	Expand crossfire pod fragments into protocol xml.
		1624
		1625	=cut
		1626
		1627	use re 'eval';
		1628
		1629	my $group;
		1630	my $interior; $interior = qr{
		1631	# match a pod interior sequence sans C<< >>
		1632	(?:
		1633	\ (.*?)\ (?{ $group = $^N })
		1634	| < (??{$interior}) >
		1635	)
		1636	}x;
		1637
		1638	sub expand_cfpod {
		1639	my ($self, $pod) = @_;
		1640
		1641	my $xml;
		1642
		1643	while () {
		1644	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1645	$group = $1;
		1646
		1647	$group =~ s/&/&amp;/g;
		1648	$group =~ s/</&lt;/g;
		1649
		1650	$xml .= $group;
		1651	} elsif ($pod =~ m%\G
		1652	([BCGHITU])
		1653	<
		1654	(?:
		1655	([^<>]*) (?{ $group = $^N })
		1656	| < $interior >
		1657	)
		1658	>
		1659	%gcsx
		1660	) {
		1661	my ($code, $data) = ($1, $group);
		1662
		1663	if ($code eq "B") {
		1664	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1665	} elsif ($code eq "I") {
		1666	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1667	} elsif ($code eq "U") {
		1668	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1669	} elsif ($code eq "C") {
		1670	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1671	} elsif ($code eq "T") {
		1672	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1673	} elsif ($code eq "G") {
		1674	my ($male, $female) = split /\|/, $data;
		1675	$data = $self->gender ? $female : $male;
		1676	$xml .= expand_cfpod ($self, $data);
		1677	} elsif ($code eq "H") {
		1678	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1679	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1680	"")
		1681	[$self->{hintmode}];
		1682	} else {
		1683	$xml .= "error processing '$code($data)' directive";
		1684	}
		1685	} else {
		1686	if ($pod =~ /\G(.+)/) {
		1687	warn "parse error while expanding $pod (at $1)";
		1688	}
		1689	last;
		1690	}
		1691	}
		1692
		1693	for ($xml) {
		1694	# create single paragraphs (very hackish)
		1695	s/(?<=\S)\n(?=\w)/ /g;
		1696
		1697	# compress some whitespace
		1698	s/\s+\n/\n/g; # ws line-ends
		1699	s/\n\n+/\n/g; # double lines
		1700	s/^\n+//; # beginning lines
		1701	s/\n+$//; # ending lines
		1702	}
		1703
		1704	$xml
		1705	}
		1706
		1707	no re 'eval';
		1708
		1709	sub hintmode {
		1710	$_[0]{hintmode} = $_[1] if @_ > 1;
		1711	$_[0]{hintmode}
		1712	}
		1713
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1714	=item $player->ext_reply ($msgid, @msg)
1088		1715
1089	Sends an ext reply to the player.	1716	Sends an ext reply to the player.
1090		1717
1091	=cut	1718	=cut
1092		1719
1093	sub ext_reply($$$%) {	1720	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1721	my ($self, $id, @msg) = @_;
1095		1722
1096	$msg{msgid} = $id;	1723	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1724	}
1100		1725
1101	package cf;	1726	=item $player->ext_msg ($type, @msg)
		1727
		1728	Sends an ext event to the client.
		1729
		1730	=cut
		1731
		1732	sub ext_msg($$@) {
		1733	my ($self, $type, @msg) = @_;
		1734
		1735	$self->ns->ext_msg ($type, @msg);
		1736	}
		1737
		1738	=head3 cf::region
		1739
		1740	=over 4
		1741
		1742	=cut
		1743
		1744	package cf::region;
		1745
		1746	=item cf::region::find_by_path $path
		1747
		1748	Tries to decuce the likely region for a map knowing only its path.
		1749
		1750	=cut
		1751
		1752	sub find_by_path($) {
		1753	my ($path) = @_;
		1754
		1755	my ($match, $specificity);
		1756
		1757	for my $region (list) {
		1758	if ($region->{match} && $path =~ $region->{match}) {
		1759	($match, $specificity) = ($region, $region->specificity)
		1760	if $region->specificity > $specificity;
		1761	}
		1762	}
		1763
		1764	$match
		1765	}
1102		1766
1103	=back	1767	=back
1104
1105		1768
1106	=head3 cf::map	1769	=head3 cf::map
1107		1770
1108	=over 4	1771	=over 4
1109		1772
…		…
1121	our $MAX_RESET = 3600;	1784	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1785	our $DEFAULT_RESET = 3000;
1123		1786
1124	sub generate_random_map {	1787	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1788	my ($self, $rmp) = @_;
		1789
		1790	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1791
1126	# mit "rum" bekleckern, nicht	1792	# mit "rum" bekleckern, nicht
1127	$self->_create_random_map (	1793	$self->_create_random_map (
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1794	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1795	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1796	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1803	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1804	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1805	)
1140	}	1806	}
1141		1807
		1808	=item cf::map->register ($regex, $prio)
		1809
		1810	Register a handler for the map path matching the given regex at the
		1811	givne priority (higher is better, built-in handlers have priority 0, the
		1812	default).
		1813
		1814	=cut
		1815
1142	sub register {	1816	sub register {
1143	my (undef, $regex) = @_;	1817	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1818	my $pkg = caller;
1145		1819
1146	no strict;	1820	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1821	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1822
1149	$EXT_MAP{$pkg} = qr<$regex>;	1823	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1824	}
1151		1825
1152	# also paths starting with '/'	1826	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1827	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1828
1155	sub thawer_merge {	1829	sub thawer_merge {
1156	my ($self, $merge) = @_;	1830	my ($self, $merge) = @_;
1157		1831
1158	# we have to keep some variables in memory intact	1832	# we have to keep some variables in memory intact
1159	local $self->{path};	1833	local $self->{path};
1160	local $self->{load_path};	1834	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1835
1164	$self->SUPER::thawer_merge ($merge);	1836	$self->SUPER::thawer_merge ($merge);
1165	}	1837	}
1166		1838
1167	sub normalise {	1839	sub normalise {
1168	my ($path, $base) = @_;	1840	my ($path, $base) = @_;
		1841
		1842	$path = "$path"; # make sure its a string
		1843
		1844	$path =~ s/\.map$//;
1169		1845
1170	# map plan:	1846	# map plan:
1171	#	1847	#
1172	# /! non-realised random map exit (special hack!)	1848	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1849	# {... are special paths that are not being touched
…		…
1201		1877
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1878	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		1879
1204	$path = normalise $path, $base;	1880	$path = normalise $path, $base;
1205		1881
1206	for my $pkg (keys %EXT_MAP) {	1882	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1883	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1884	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1885	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1886	$self->init; # pass $1 etc.
1211	return $self;	1887	return $self;
1212	}	1888	}
1213	}	1889	}
1214		1890
1215	Carp::carp "unable to resolve path '$path'.";	1891	Carp::cluck "unable to resolve path '$path' (base '$base').";
1216	()	1892	()
1217	}	1893	}
1218		1894
1219	sub init {	1895	sub init {
1220	my ($self) = @_;	1896	my ($self) = @_;
…		…
1235		1911
1236	# the original (read-only) location	1912	# the original (read-only) location
1237	sub load_path {	1913	sub load_path {
1238	my ($self) = @_;	1914	my ($self) = @_;
1239		1915
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1916	"$MAPDIR/$self->{path}.map"
1241	}	1917	}
1242		1918
1243	# the temporary/swap location	1919	# the temporary/swap location
1244	sub save_path {	1920	sub save_path {
1245	my ($self) = @_;	1921	my ($self) = @_;
1246		1922
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1923	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1924	"$TMPDIR/$path.map"
1249	}	1925	}
1250		1926
1251	# the unique path, undef == no special unique path	1927	# the unique path, undef == no special unique path
1252	sub uniq_path {	1928	sub uniq_path {
1253	my ($self) = @_;	1929	my ($self) = @_;
1254		1930
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1931	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1932	"$UNIQUEDIR/$path"
1257	}	1933	}
1258		1934
1259	# and all this just because we cannot iterate over	1935	# and all this just because we cannot iterate over
1260	# all maps in C++...	1936	# all maps in C++...
1261	sub change_all_map_light {	1937	sub change_all_map_light {
…		…
1263		1939
1264	$_->change_map_light ($change)	1940	$_->change_map_light ($change)
1265	for grep $_->outdoor, values %cf::MAP;	1941	for grep $_->outdoor, values %cf::MAP;
1266	}	1942	}
1267		1943
		1944	sub decay_objects {
		1945	my ($self) = @_;
		1946
		1947	return if $self->{deny_reset};
		1948
		1949	$self->do_decay_objects;
		1950	}
		1951
1268	sub unlink_save {	1952	sub unlink_save {
1269	my ($self) = @_;	1953	my ($self) = @_;
1270		1954
1271	utf8::encode (my $save = $self->save_path);	1955	utf8::encode (my $save = $self->save_path);
1272	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1956	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1275		1959
1276	sub load_header_from($) {	1960	sub load_header_from($) {
1277	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1278		1962
1279	utf8::encode $path;	1963	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1281	or return;	1965	or return;
1282		1966
1283	$self->_load_header ($path)	1967	$self->_load_header ($f)
1284	or return;	1968	or return;
1285		1969
		1970	local $MAP_LOADING{$self->{path}} = $self;
		1971	$f->resolve_delayed_derefs;
		1972
1286	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1287		1974
1288	1	1975	1
1289	}	1976	}
1290		1977
1291	sub load_orig {	1978	sub load_header_orig {
1292	my ($self) = @_;	1979	my ($self) = @_;
1293		1980
1294	$self->load_header_from ($self->load_path)	1981	$self->load_header_from ($self->load_path)
1295	}	1982	}
1296		1983
1297	sub load_temp {	1984	sub load_header_temp {
1298	my ($self) = @_;	1985	my ($self) = @_;
1299		1986
1300	$self->load_header_from ($self->save_path)	1987	$self->load_header_from ($self->save_path)
		1988	}
		1989
		1990	sub prepare_temp {
		1991	my ($self) = @_;
		1992
		1993	$self->last_access ((delete $self->{last_access})
		1994	|| $cf::RUNTIME); #d#
		1995	# safety
		1996	$self->{instantiate_time} = $cf::RUNTIME
		1997	if $self->{instantiate_time} > $cf::RUNTIME;
		1998	}
		1999
		2000	sub prepare_orig {
		2001	my ($self) = @_;
		2002
		2003	$self->{load_original} = 1;
		2004	$self->{instantiate_time} = $cf::RUNTIME;
		2005	$self->last_access ($cf::RUNTIME);
		2006	$self->instantiate;
1301	}	2007	}
1302		2008
1303	sub load_header {	2009	sub load_header {
1304	my ($self) = @_;	2010	my ($self) = @_;
1305		2011
1306	if ($self->load_temp) {	2012	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	2013	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	2014	} else {
1313	$self->load_orig	2015	$self->load_header_orig
1314	or return;	2016	or return;
1315		2017	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	2018	}
		2019
		2020	$self->{deny_reset} = 1
		2021	if $self->no_reset;
		2022
		2023	$self->default_region (cf::region::find_by_path $self->{path})
		2024	unless $self->default_region;
1321		2025
1322	1	2026	1
1323	}	2027	}
1324		2028
1325	sub find;	2029	sub find;
1326	sub find {	2030	sub find {
1327	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1328		2032
1329	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1330		2034
		2035	cf::lock_wait "map_data:$path";#d#remove
1331	cf::lock_wait "map_find:$path";	2036	cf::lock_wait "map_find:$path";
1332		2037
1333	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
		2039	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1334	my $guard = cf::lock_acquire "map_find:$path";	2040	my $guard2 = cf::lock_acquire "map_find:$path";
		2041
1335	my $map = new_from_path cf::map $path	2042	my $map = new_from_path cf::map $path
1336	or return;	2043	or return;
1337		2044
1338	$map->{last_save} = $cf::RUNTIME;	2045	$map->{last_save} = $cf::RUNTIME;
1339		2046
1340	$map->load_header	2047	$map->load_header
1341	or return;	2048	or return;
1342		2049
1343	if ($map->should_reset) {	2050	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2051	# doing this can freeze the server in a sync job, obviously
1344	$cf::WAIT_FOR_TICK->wait;	2052	#$cf::WAIT_FOR_TICK->wait;
		2053	undef $guard2;
		2054	undef $guard1;
1345	$map->reset;	2055	$map->reset;
1346	undef $guard;
1347	$map = find $path	2056	return find $path;
1348	or return;
1349	}	2057	}
1350		2058
1351	$cf::MAP{$path} = $map	2059	$cf::MAP{$path} = $map
1352	}	2060	}
1353	}	2061	}
		2062
		2063	sub pre_load { }
		2064	sub post_load { }
1354		2065
1355	sub load {	2066	sub load {
1356	my ($self) = @_;	2067	my ($self) = @_;
1357		2068
		2069	local $self->{deny_reset} = 1; # loading can take a long time
		2070
1358	my $path = $self->{path};	2071	my $path = $self->{path};
		2072
		2073	{
1359	my $guard = cf::lock_acquire "map_load:$path";	2074	my $guard = cf::lock_acquire "map_data:$path";
1360		2075
		2076	return unless $self->valid;
1361	return if $self->in_memory != cf::MAP_SWAPPED;	2077	return unless $self->in_memory == cf::MAP_SWAPPED;
1362		2078
1363	$self->in_memory (cf::MAP_LOADING);	2079	$self->in_memory (cf::MAP_LOADING);
1364		2080
1365	$self->alloc;	2081	$self->alloc;
1366	$self->_load_objects ($self->{load_path}, 1)	2082
		2083	$self->pre_load;
		2084	cf::cede_to_tick;
		2085
		2086	my $f = new_from_file cf::object::thawer $self->{load_path};
		2087	$f->skip_block;
		2088	$self->_load_objects ($f)
1367	or return;	2089	or return;
1368		2090
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2091	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1370	if delete $self->{load_original};	2092	if delete $self->{load_original};
1371		2093
1372	if (my $uniq = $self->uniq_path) {	2094	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;	2095	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {	2096	unless (aio_stat $uniq) {
		2097	if (my $f = new_from_file cf::object::thawer $uniq) {
1375	$self->clear_unique_items;	2098	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);	2099	$self->_load_objects ($f);
		2100	$f->resolve_delayed_derefs;
		2101	}
1377	}	2102	}
1378	}	2103	}
1379		2104
1380	Coro::cede;	2105	$f->resolve_delayed_derefs;
1381		2106
		2107	cf::cede_to_tick;
1382	# now do the right thing for maps	2108	# now do the right thing for maps
1383	$self->link_multipart_objects;	2109	$self->link_multipart_objects;
1384
1385	unless ($self->{deny_activate}) {
1386	$self->decay_objects;
1387	$self->fix_auto_apply;
1388	$self->update_buttons;
1389	Coro::cede;
1390	$self->set_darkness_map;
1391	$self->difficulty ($self->estimate_difficulty)	2110	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	2111	unless $self->difficulty;
1393	Coro::cede;	2112	cf::cede_to_tick;
		2113
		2114	unless ($self->{deny_activate}) {
		2115	$self->decay_objects;
		2116	$self->fix_auto_apply;
		2117	$self->update_buttons;
		2118	cf::cede_to_tick;
		2119	$self->set_darkness_map;
		2120	cf::cede_to_tick;
1394	$self->activate;	2121	$self->activate;
1395	}	2122	}
1396		2123
		2124	$self->{last_save} = $cf::RUNTIME;
		2125	$self->last_access ($cf::RUNTIME);
		2126
1397	$self->in_memory (cf::MAP_IN_MEMORY);	2127	$self->in_memory (cf::MAP_ACTIVE);
		2128	}
		2129
		2130	$self->post_load;
1398	}	2131	}
1399		2132
1400	sub customise_for {	2133	sub customise_for {
1401	my ($self, $ob) = @_;	2134	my ($self, $ob) = @_;
1402		2135
1403	return find "~" . $ob->name . "/" . $self->{path}	2136	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	2137	if $self->per_player;
1405		2138
		2139	# return find "?party/" . $ob->name . "/" . $self->{path}
		2140	# if $self->per_party;
		2141
1406	$self	2142	$self
1407	}	2143	}
1408		2144
1409	# find and load all maps in the 3x3 area around a map	2145	# find and load all maps in the 3x3 area around a map
1410	sub load_diag {	2146	sub load_neighbours {
1411	my ($map) = @_;	2147	my ($map) = @_;
1412		2148
1413	my @diag; # diagonal neighbours	2149	my @neigh; # diagonal neighbours
1414		2150
1415	for (0 .. 3) {	2151	for (0 .. 3) {
1416	my $neigh = $map->tile_path ($_)	2152	my $neigh = $map->tile_path ($_)
1417	or next;	2153	or next;
1418	$neigh = find $neigh, $map	2154	$neigh = find $neigh, $map
1419	or next;	2155	or next;
1420	$neigh->load;	2156	$neigh->load;
1421		2157
		2158	push @neigh,
1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2159	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2160	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1424	}	2161	}
1425		2162
1426	for (@diag) {	2163	for (grep defined $_->[0], @neigh) {
		2164	my ($path, $origin) = @$_;
1427	my $neigh = find @$_	2165	my $neigh = find $path, $origin
1428	or next;	2166	or next;
1429	$neigh->load;	2167	$neigh->load;
1430	}	2168	}
1431	}	2169	}
1432		2170
…		…
1437	}	2175	}
1438		2176
1439	sub do_load_sync {	2177	sub do_load_sync {
1440	my ($map) = @_;	2178	my ($map) = @_;
1441		2179
		2180	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2181	if $Coro::current == $Coro::main;
		2182
1442	cf::sync_job { $map->load };	2183	cf::sync_job { $map->load };
1443	}	2184	}
1444		2185
1445	our %MAP_PREFETCH;	2186	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = undef;	2187	our $MAP_PREFETCHER = undef;
1447		2188
1448	sub find_async {	2189	sub find_async {
1449	my ($path, $origin) = @_;	2190	my ($path, $origin, $load) = @_;
1450		2191
1451	$path = normalise $path, $origin && $origin->{path};	2192	$path = normalise $path, $origin && $origin->{path};
1452		2193
1453	if (my $map = $cf::MAP{$path}) {	2194	if (my $map = $cf::MAP{$path}) {
1454	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2195	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1455	}	2196	}
1456		2197
1457	undef $MAP_PREFETCH{$path};	2198	$MAP_PREFETCH{$path} |= $load;
		2199
1458	$MAP_PREFETCHER ||= cf::async {	2200	$MAP_PREFETCHER ||= cf::async {
		2201	$Coro::current->{desc} = "map prefetcher";
		2202
1459	while (%MAP_PREFETCH) {	2203	while (%MAP_PREFETCH) {
1460	for my $path (keys %MAP_PREFETCH) {	2204	while (my ($k, $v) = each %MAP_PREFETCH) {
1461	my $map = find $path	2205	if (my $map = find $k) {
1462	or next;
1463	$map->load;	2206	$map->load if $v;
		2207	}
1464		2208
1465	delete $MAP_PREFETCH{$path};	2209	delete $MAP_PREFETCH{$k};
1466	}	2210	}
1467	}	2211	}
1468	undef $MAP_PREFETCHER;	2212	undef $MAP_PREFETCHER;
1469	};	2213	};
		2214	$MAP_PREFETCHER->prio (6);
1470		2215
1471	()	2216	()
1472	}	2217	}
1473		2218
1474	sub save {	2219	sub save {
1475	my ($self) = @_;	2220	my ($self) = @_;
1476		2221
1477	my $lock = cf::lock_acquire "map_data:" . $self->path;	2222	my $lock = cf::lock_acquire "map_data:$self->{path}";
1478		2223
1479	$self->{last_save} = $cf::RUNTIME;	2224	$self->{last_save} = $cf::RUNTIME;
1480		2225
1481	return unless $self->dirty;	2226	return unless $self->dirty;
1482		2227
…		…
1488	return if $self->{deny_save};	2233	return if $self->{deny_save};
1489		2234
1490	local $self->{last_access} = $self->last_access;#d#	2235	local $self->{last_access} = $self->last_access;#d#
1491		2236
1492	cf::async {	2237	cf::async {
		2238	$Coro::current->{desc} = "map player save";
1493	$_->contr->save for $self->players;	2239	$_->contr->save for $self->players;
1494	};	2240	};
		2241
		2242	cf::get_slot 0.02;
1495		2243
1496	if ($uniq) {	2244	if ($uniq) {
1497	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1498	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2246	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1499	} else {	2247	} else {
…		…
1505	my ($self) = @_;	2253	my ($self) = @_;
1506		2254
1507	# save first because save cedes	2255	# save first because save cedes
1508	$self->save;	2256	$self->save;
1509		2257
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2259
1512	return if $self->players;	2260	return if $self->players;
1513	return if $self->in_memory != cf::MAP_IN_MEMORY;	2261	return if $self->in_memory != cf::MAP_ACTIVE;
1514	return if $self->{deny_save};	2262	return if $self->{deny_save};
1515		2263
		2264	$self->in_memory (cf::MAP_SWAPPED);
		2265
		2266	$self->deactivate;
		2267	$_->clear_links_to ($self) for values %cf::MAP;
1516	$self->clear;	2268	$self->clear;
1517	$self->in_memory (cf::MAP_SWAPPED);
1518	}	2269	}
1519		2270
1520	sub reset_at {	2271	sub reset_at {
1521	my ($self) = @_;	2272	my ($self) = @_;
1522		2273
1523	# TODO: safety, remove and allow resettable per-player maps	2274	# TODO: safety, remove and allow resettable per-player maps
1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1525	return 1e99 if $self->{deny_reset};	2275	return 1e99 if $self->{deny_reset};
1526		2276
1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2277	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2278	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1529		2279
…		…
1540	my ($self) = @_;	2290	my ($self) = @_;
1541		2291
1542	my $lock = cf::lock_acquire "map_data:$self->{path}";	2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2293
1544	return if $self->players;	2294	return if $self->players;
1545	return if $self->isa ("ext::map_per_player");#d#
1546		2295
1547	warn "resetting map ", $self->path;#d#	2296	warn "resetting map ", $self->path;
		2297
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# need to save uniques path
		2301	unless ($self->{deny_save}) {
		2302	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2303
		2304	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2305	if $uniq;
		2306	}
1548		2307
1549	delete $cf::MAP{$self->path};	2308	delete $cf::MAP{$self->path};
1550		2309
1551	$self->in_memory (cf::MAP_SWAPPED);	2310	$self->deactivate;
		2311	$_->clear_links_to ($self) for values %cf::MAP;
1552	$self->clear;	2312	$self->clear;
1553
1554	$_->clear_links_to ($self) for values %cf::MAP;
1555		2313
1556	$self->unlink_save;	2314	$self->unlink_save;
1557	$self->destroy;	2315	$self->destroy;
1558	}	2316	}
1559		2317
1560	my $nuke_counter = "aaaa";	2318	my $nuke_counter = "aaaa";
1561		2319
1562	sub nuke {	2320	sub nuke {
1563	my ($self) = @_;	2321	my ($self) = @_;
1564		2322
		2323	{
		2324	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2325
1565	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1566		2327
1567	$self->unlink_save;	2328	$self->unlink_save;
1568		2329
1569	bless $self, "cf::map";	2330	bless $self, "cf::map";
1570	delete $self->{deny_reset};	2331	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2332	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2333	$self->reset_timeout (1);
1573	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2334	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1574		2335
1575	$cf::MAP{$self->path} = $self;	2336	$cf::MAP{$self->path} = $self;
		2337	}
1576		2338
1577	$self->reset; # polite request, might not happen	2339	$self->reset; # polite request, might not happen
		2340	}
		2341
		2342	=item $maps = cf::map::tmp_maps
		2343
		2344	Returns an arrayref with all map paths of currently instantiated and saved
		2345	maps. May block.
		2346
		2347	=cut
		2348
		2349	sub tmp_maps() {
		2350	[
		2351	map {
		2352	utf8::decode $_;
		2353	/\.map$/
		2354	? normalise $_
		2355	: ()
		2356	} @{ aio_readdir $TMPDIR or [] }
		2357	]
		2358	}
		2359
		2360	=item $maps = cf::map::random_maps
		2361
		2362	Returns an arrayref with all map paths of currently instantiated and saved
		2363	random maps. May block.
		2364
		2365	=cut
		2366
		2367	sub random_maps() {
		2368	[
		2369	map {
		2370	utf8::decode $_;
		2371	/\.map$/
		2372	? normalise "?random/$_"
		2373	: ()
		2374	} @{ aio_readdir $RANDOMDIR or [] }
		2375	]
1578	}	2376	}
1579		2377
1580	=item cf::map::unique_maps	2378	=item cf::map::unique_maps
1581		2379
1582	Returns an arrayref of paths of all shared maps that have	2380	Returns an arrayref of paths of all shared maps that have
1583	instantiated unique items. May block.	2381	instantiated unique items. May block.
1584		2382
1585	=cut	2383	=cut
1586		2384
1587	sub unique_maps() {	2385	sub unique_maps() {
1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2386	[
1589	or return;	2387	map {
1590
1591	my @paths;
1592
1593	for (@$files) {
1594	utf8::decode $_;	2388	utf8::decode $_;
1595	next if /\.pst$/;	2389	s/\.map$//; # TODO future compatibility hack
1596	next unless /^$PATH_SEP/o;	2390	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1597		2391	? ()
1598	s/\.map$//;	2392	: normalise $_
1599	push @paths, $_;	2393	} @{ aio_readdir $UNIQUEDIR or [] }
1600	}	2394	]
1601
1602	\@paths
1603	}	2395	}
1604
1605	package cf;
1606		2396
1607	=back	2397	=back
1608		2398
1609	=head3 cf::object	2399	=head3 cf::object
1610		2400
…		…
1614		2404
1615	=over 4	2405	=over 4
1616		2406
1617	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
1618		2408
1619	Returns the inventory of the object _and_ their inventories, recursively.	2409	Returns the inventory of the object I<and> their inventories, recursively,
		2410	but I<not> the object itself.
1620		2411
1621	=cut	2412	=cut
1622		2413
1623	sub inv_recursive_;	2414	sub inv_recursive_;
1624	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
1627		2418
1628	sub inv_recursive {	2419	sub inv_recursive {
1629	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
1630	}	2421	}
1631		2422
		2423	=item $ref = $ob->ref
		2424
		2425	Creates and returns a persistent reference to an object that can be stored as a string.
		2426
		2427	=item $ob = cf::object::deref ($refstring)
		2428
		2429	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2430	even if the object actually exists. May block.
		2431
		2432	=cut
		2433
		2434	sub deref {
		2435	my ($ref) = @_;
		2436
		2437	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2438	my ($uuid, $name) = ($1, $2);
		2439	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2440	or return;
		2441	$pl->ob->uuid eq $uuid
		2442	or return;
		2443
		2444	$pl->ob
		2445	} else {
		2446	warn "$ref: cannot resolve object reference\n";
		2447	undef
		2448	}
		2449	}
		2450
1632	package cf;	2451	package cf;
1633		2452
1634	=back	2453	=back
1635		2454
1636	=head3 cf::object::player	2455	=head3 cf::object::player
…		…
1642	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2461	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1643	can be C<undef>. Does the right thing when the player is currently in a	2462	can be C<undef>. Does the right thing when the player is currently in a
1644	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
1645		2464
1646	=cut	2465	=cut
		2466
		2467	our $SAY_CHANNEL = {
		2468	id => "say",
		2469	title => "Map",
		2470	reply => "say ",
		2471	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2472	};
		2473
		2474	our $CHAT_CHANNEL = {
		2475	id => "chat",
		2476	title => "Chat",
		2477	reply => "chat ",
		2478	tooltip => "Player chat and shouts, global to the server.",
		2479	};
1647		2480
1648	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
1649	# with dialog boxes.	2482	# with dialog boxes.
1650	#TODO: the first argument must go, split into a $npc->reply_to ( method	2483	#TODO: the first argument must go, split into a $npc->reply_to ( method
1651	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
…		…
1653		2486
1654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2487	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1655		2488
1656	if ($self->{record_replies}) {	2489	if ($self->{record_replies}) {
1657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2490	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2491
1658	} else {	2492	} else {
		2493	my $pl = $self->contr;
		2494
		2495	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2496	my $dialog = $pl->{npc_dialog};
		2497	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2498
		2499	} else {
1659	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
1660	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2502	}
1661	}	2503	}
		2504	}
		2505
		2506	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	=cut
		2509
		2510	sub cf::object::send_msg {
		2511	my $pl = shift->contr
		2512	or return;
		2513	$pl->send_msg (@_);
1662	}	2514	}
1663		2515
1664	=item $player_object->may ("access")	2516	=item $player_object->may ("access")
1665		2517
1666	Returns wether the given player is authorized to access resource "access"	2518	Returns wether the given player is authorized to access resource "access"
…		…
1698	=cut	2550	=cut
1699		2551
1700	sub link_map {	2552	sub link_map {
1701	unless ($LINK_MAP) {	2553	unless ($LINK_MAP) {
1702	$LINK_MAP = cf::map::find "{link}"	2554	$LINK_MAP = cf::map::find "{link}"
1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2555	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1704	$LINK_MAP->load;	2556	$LINK_MAP->load;
1705	}	2557	}
1706		2558
1707	$LINK_MAP	2559	$LINK_MAP
1708	}	2560	}
…		…
1713	$self->deactivate_recursive;	2565	$self->deactivate_recursive;
1714		2566
1715	return if UNIVERSAL::isa $self->map, "ext::map_link";	2567	return if UNIVERSAL::isa $self->map, "ext::map_link";
1716		2568
1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2569	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1718	if $self->map;	2570	if $self->map && $self->map->{path} ne "{link}";
1719		2571
1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2572	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1721	}	2573	}
1722		2574
1723	sub cf::object::player::leave_link {	2575	sub cf::object::player::leave_link {
1724	my ($self, $map, $x, $y) = @_;	2576	my ($self, $map, $x, $y) = @_;
		2577
		2578	return unless $self->contr->active;
1725		2579
1726	my $link_pos = delete $self->{_link_pos};	2580	my $link_pos = delete $self->{_link_pos};
1727		2581
1728	unless ($map) {	2582	unless ($map) {
1729	# restore original map position	2583	# restore original map position
…		…
1743	# use -1 or undef as default coordinates, not 0, 0	2597	# use -1 or undef as default coordinates, not 0, 0
1744	($x, $y) = ($map->enter_x, $map->enter_y)	2598	($x, $y) = ($map->enter_x, $map->enter_y)
1745	if $x <=0 && $y <= 0;	2599	if $x <=0 && $y <= 0;
1746		2600
1747	$map->load;	2601	$map->load;
1748	$map->load_diag;	2602	$map->load_neighbours;
1749		2603
1750	return unless $self->contr->active;	2604	return unless $self->contr->active;
1751	$self->activate_recursive;	2605	$self->activate_recursive;
		2606
		2607	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1752	$self->enter_map ($map, $x, $y);	2608	$self->enter_map ($map, $x, $y);
1753	}	2609	}
1754		2610
1755	cf::player->attach (	2611	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1756	on_logout => sub {
1757	my ($pl) = @_;
1758		2612
1759	# abort map switching before logout	2613	Moves the player to the given map-path and coordinates by first freezing
1760	if ($pl->ob->{_link_pos}) {	2614	her, loading and preparing them map, calling the provided $check callback
1761	cf::sync_job {	2615	that has to return the map if sucecssful, and then unfreezes the player on
1762	$pl->ob->leave_link	2616	the new (success) or old (failed) map position. In either case, $done will
1763	};	2617	be called at the end of this process.
1764	}
1765	},
1766	on_login => sub {
1767	my ($pl) = @_;
1768		2618
1769	# try to abort aborted map switching on player login :)
1770	# should happen only on crashes
1771	if ($pl->ob->{_link_pos}) {
1772	$pl->ob->enter_link;
1773	(async {
1774	# we need this sleep as the login has a concurrent enter_exit running
1775	# and this sleep increases chances of the player not ending up in scorn
1776	$pl->ob->reply (undef,
1777	"There was an internal problem at your last logout, "
1778	. "the server will try to bring you to your intended destination in a second.",
1779	cf::NDI_RED);
1780	Coro::Timer::sleep 1;
1781	$pl->ob->leave_link;
1782	})->prio (2);
1783	}
1784	},
1785	);
1786
1787	=item $player_object->goto ($path, $x, $y)
1788
1789	=cut	2619	=cut
		2620
		2621	our $GOTOGEN;
1790		2622
1791	sub cf::object::player::goto {	2623	sub cf::object::player::goto {
1792	my ($self, $path, $x, $y) = @_;	2624	my ($self, $path, $x, $y, $check, $done) = @_;
		2625
		2626	# do generation counting so two concurrent goto's will be executed in-order
		2627	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1793		2628
1794	$self->enter_link;	2629	$self->enter_link;
1795		2630
1796	(async {	2631	(async {
1797	my $map = cf::map::find $path;	2632	$Coro::current->{desc} = "player::goto $path $x $y";
		2633
		2634	# *tag paths override both path and x|y
		2635	if ($path =~ /^\*(.*)$/) {
		2636	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2637	my $ob = $obs[rand @obs];
		2638
		2639	# see if we actually can go there
		2640	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2641	$ob = $obs[rand @obs];
		2642	} else {
		2643	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2644	}
		2645	# else put us there anyways for now #d#
		2646
		2647	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2648	} else {
		2649	($path, $x, $y) = (undef, undef, undef);
		2650	}
		2651	}
		2652
		2653	my $map = eval {
		2654	my $map = defined $path ? cf::map::find $path : undef;
		2655
		2656	if ($map) {
1798	$map = $map->customise_for ($self) if $map;	2657	$map = $map->customise_for ($self);
1799		2658	$map = $check->($map) if $check && $map;
1800	# warn "entering ", $map->path, " at ($x, $y)\n"	2659	} else {
1801	# if $map;
1802
1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2660	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2661	}
1804		2662
		2663	$map
		2664	};
		2665
		2666	if ($@) {
		2667	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2668	LOG llevError | logBacktrace, Carp::longmess $@;
		2669	}
		2670
		2671	if ($gen == $self->{_goto_generation}) {
		2672	delete $self->{_goto_generation};
1805	$self->leave_link ($map, $x, $y);	2673	$self->leave_link ($map, $x, $y);
		2674	}
		2675
		2676	$done->() if $done;
1806	})->prio (1);	2677	})->prio (1);
1807	}	2678	}
1808		2679
1809	=item $player_object->enter_exit ($exit_object)	2680	=item $player_object->enter_exit ($exit_object)
1810		2681
…		…
1830	}	2701	}
1831		2702
1832	sub prepare_random_map {	2703	sub prepare_random_map {
1833	my ($exit) = @_;	2704	my ($exit) = @_;
1834		2705
1835	my $guard = cf::lock_acquire "exit_prepare:$exit";
1836
1837	# all this does is basically replace the /! path by	2706	# all this does is basically replace the /! path by
1838	# a new random map path (?random/...) with a seed	2707	# a new random map path (?random/...) with a seed
1839	# that depends on the exit object	2708	# that depends on the exit object
1840		2709
1841	my $rmp = parse_random_map_params $exit->msg;	2710	my $rmp = parse_random_map_params $exit->msg;
1842		2711
1843	if ($exit->map) {	2712	if ($exit->map) {
1844	$rmp->{region} = $exit->map->region_name;	2713	$rmp->{region} = $exit->region->name;
1845	$rmp->{origin_map} = $exit->map->path;	2714	$rmp->{origin_map} = $exit->map->path;
1846	$rmp->{origin_x} = $exit->x;	2715	$rmp->{origin_x} = $exit->x;
1847	$rmp->{origin_y} = $exit->y;	2716	$rmp->{origin_y} = $exit->y;
		2717
		2718	$exit->map->touch;
1848	}	2719	}
1849		2720
1850	$rmp->{random_seed} ||= $exit->random_seed;	2721	$rmp->{random_seed} ||= $exit->random_seed;
1851		2722
1852	my $data = cf::to_json $rmp;	2723	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1853	my $md5 = Digest::MD5::md5_hex $data;	2724	my $md5 = Digest::MD5::md5_hex $data;
1854	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2725	my $meta = "$RANDOMDIR/$md5.meta";
1855		2726
1856	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2727	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1857	aio_write $fh, 0, (length $data), $data, 0;	2728	aio_write $fh, 0, (length $data), $data, 0;
1858	undef $fh;	2729	undef $fh;
1859	aio_rename "$meta~", $meta;	2730	aio_rename "$meta~", $meta;
1860		2731
		2732	my $slaying = "?random/$md5";
		2733
		2734	if ($exit->valid) {
1861	$exit->slaying ("?random/$md5");	2735	$exit->slaying ("?random/$md5");
1862	$exit->msg (undef);	2736	$exit->msg (undef);
		2737	}
1863	}	2738	}
1864	}	2739	}
1865		2740
1866	sub cf::object::player::enter_exit {	2741	sub cf::object::player::enter_exit {
1867	my ($self, $exit) = @_;	2742	my ($self, $exit) = @_;
…		…
1869	return unless $self->type == cf::PLAYER;	2744	return unless $self->type == cf::PLAYER;
1870		2745
1871	$self->enter_link;	2746	$self->enter_link;
1872		2747
1873	(async {	2748	(async {
1874	$self->deactivate_recursive; # just to be sure	2749	$Coro::current->{desc} = "enter_exit";
		2750
1875	unless (eval {	2751	unless (eval {
		2752	$self->deactivate_recursive; # just to be sure
		2753
		2754	# random map handling
		2755	{
		2756	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2757
1876	prepare_random_map $exit	2758	prepare_random_map $exit
1877	if $exit->slaying eq "/!";	2759	if $exit->slaying eq "/!";
		2760	}
1878		2761
1879	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2762	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1880	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2763	my $x = $exit->stats->hp;
		2764	my $y = $exit->stats->sp;
1881		2765
		2766	$self->goto ($map, $x, $y);
		2767
		2768	# if exit is damned, update players death & WoR home-position
		2769	$self->contr->savebed ($map, $x, $y)
		2770	if $exit->flag (cf::FLAG_DAMNED);
		2771
1882	1;	2772	1
1883	}) {	2773	}) {
1884	$self->message ("Something went wrong deep within the crossfire server. "	2774	$self->message ("Something went wrong deep within the crossfire server. "
1885	. "I'll try to bring you back to the map you were before. "	2775	. "I'll try to bring you back to the map you were before. "
1886	. "Please report this to the dungeon master!",	2776	. "Please report this to the dungeon master!",
1887	cf::NDI_UNIQUE | cf::NDI_RED);	2777	cf::NDI_UNIQUE | cf::NDI_RED);
1888		2778
1889	warn "ERROR in enter_exit: $@";	2779	warn "ERROR in enter_exit: $@";
1890	$self->leave_link;	2780	$self->leave_link;
1891	}	2781	}
1892	})->prio (1);	2782	})->prio (1);
…		…
1905		2795
1906	sub cf::client::send_drawinfo {	2796	sub cf::client::send_drawinfo {
1907	my ($self, $text, $flags) = @_;	2797	my ($self, $text, $flags) = @_;
1908		2798
1909	utf8::encode $text;	2799	utf8::encode $text;
1910	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2800	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1911	}	2801	}
1912		2802
		2803	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2804
		2805	Send a drawinfo or msg packet to the client, formatting the msg for the
		2806	client if neccessary. C<$type> should be a string identifying the type of
		2807	the message, with C<log> being the default. If C<$color> is negative, suppress
		2808	the message unless the client supports the msg packet.
		2809
		2810	=cut
		2811
		2812	# non-persistent channels (usually the info channel)
		2813	our %CHANNEL = (
		2814	"c/identify" => {
		2815	id => "infobox",
		2816	title => "Identify",
		2817	reply => undef,
		2818	tooltip => "Items recently identified",
		2819	},
		2820	"c/examine" => {
		2821	id => "infobox",
		2822	title => "Examine",
		2823	reply => undef,
		2824	tooltip => "Signs and other items you examined",
		2825	},
		2826	"c/book" => {
		2827	id => "infobox",
		2828	title => "Book",
		2829	reply => undef,
		2830	tooltip => "The contents of a note or book",
		2831	},
		2832	"c/lookat" => {
		2833	id => "infobox",
		2834	title => "Look",
		2835	reply => undef,
		2836	tooltip => "What you saw there",
		2837	},
		2838	"c/who" => {
		2839	id => "infobox",
		2840	title => "Players",
		2841	reply => undef,
		2842	tooltip => "Shows players who are currently online",
		2843	},
		2844	"c/body" => {
		2845	id => "infobox",
		2846	title => "Body Parts",
		2847	reply => undef,
		2848	tooltip => "Shows which body parts you posess and are available",
		2849	},
		2850	"c/uptime" => {
		2851	id => "infobox",
		2852	title => "Uptime",
		2853	reply => undef,
		2854	tooltip => "How long the server has been running since last restart",
		2855	},
		2856	"c/mapinfo" => {
		2857	id => "infobox",
		2858	title => "Map Info",
		2859	reply => undef,
		2860	tooltip => "Information related to the maps",
		2861	},
		2862	"c/party" => {
		2863	id => "party",
		2864	title => "Party",
		2865	reply => "gsay ",
		2866	tooltip => "Messages and chat related to your party",
		2867	},
		2868	);
		2869
		2870	sub cf::client::send_msg {
		2871	my ($self, $channel, $msg, $color, @extra) = @_;
		2872
		2873	$msg = $self->pl->expand_cfpod ($msg);
		2874
		2875	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2876
		2877	# check predefined channels, for the benefit of C
		2878	if ($CHANNEL{$channel}) {
		2879	$channel = $CHANNEL{$channel};
		2880
		2881	$self->ext_msg (channel_info => $channel)
		2882	if $self->can_msg;
		2883
		2884	$channel = $channel->{id};
		2885
		2886	} elsif (ref $channel) {
		2887	# send meta info to client, if not yet sent
		2888	unless (exists $self->{channel}{$channel->{id}}) {
		2889	$self->{channel}{$channel->{id}} = $channel;
		2890	$self->ext_msg (channel_info => $channel)
		2891	if $self->can_msg;
		2892	}
		2893
		2894	$channel = $channel->{id};
		2895	}
		2896
		2897	return unless @extra || length $msg;
		2898
		2899	if ($self->can_msg) {
		2900	# default colour, mask it out
		2901	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2902	if $color & cf::NDI_DEF;
		2903
		2904	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2905	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2906	} else {
		2907	if ($color >= 0) {
		2908	# replace some tags by gcfclient-compatible ones
		2909	for ($msg) {
		2910	1 while
		2911	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2912	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2913	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2914	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2915	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2916	}
		2917
		2918	$color &= cf::NDI_COLOR_MASK;
		2919
		2920	utf8::encode $msg;
		2921
		2922	if (0 && $msg =~ /\[/) {
		2923	# COMMAND/INFO
		2924	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2925	} else {
		2926	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2927	$self->send_packet ("drawinfo $color $msg")
		2928	}
		2929	}
		2930	}
		2931	}
		2932
		2933	=item $client->ext_msg ($type, @msg)
		2934
		2935	Sends an ext event to the client.
		2936
		2937	=cut
		2938
		2939	sub cf::client::ext_msg($$@) {
		2940	my ($self, $type, @msg) = @_;
		2941
		2942	if ($self->extcmd == 2) {
		2943	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2944	} elsif ($self->extcmd == 1) { # TODO: remove
		2945	push @msg, msgtype => "event_$type";
		2946	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2947	}
		2948	}
		2949
		2950	=item $client->ext_reply ($msgid, @msg)
		2951
		2952	Sends an ext reply to the client.
		2953
		2954	=cut
		2955
		2956	sub cf::client::ext_reply($$@) {
		2957	my ($self, $id, @msg) = @_;
		2958
		2959	if ($self->extcmd == 2) {
		2960	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2961	} elsif ($self->extcmd == 1) {
		2962	#TODO: version 1, remove
		2963	unshift @msg, msgtype => "reply", msgid => $id;
		2964	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2965	}
		2966	}
1913		2967
1914	=item $success = $client->query ($flags, "text", \&cb)	2968	=item $success = $client->query ($flags, "text", \&cb)
1915		2969
1916	Queues a query to the client, calling the given callback with	2970	Queues a query to the client, calling the given callback with
1917	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2971	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1918	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2972	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1919		2973
1920	Queries can fail, so check the return code. Or don't, as queries will become	2974	Queries can fail, so check the return code. Or don't, as queries will
1921	reliable at some point in the future.	2975	become reliable at some point in the future.
1922		2976
1923	=cut	2977	=cut
1924		2978
1925	sub cf::client::query {	2979	sub cf::client::query {
1926	my ($self, $flags, $text, $cb) = @_;	2980	my ($self, $flags, $text, $cb) = @_;
…		…
1934	utf8::encode $text;	2988	utf8::encode $text;
1935	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2989	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1936		2990
1937	$self->send_packet ($self->{query_queue}[0][0])	2991	$self->send_packet ($self->{query_queue}[0][0])
1938	if @{ $self->{query_queue} } == 1;	2992	if @{ $self->{query_queue} } == 1;
		2993
		2994	1
1939	}	2995	}
1940		2996
1941	cf::client->attach (	2997	cf::client->attach (
		2998	on_connect => sub {
		2999	my ($ns) = @_;
		3000
		3001	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3002	},
1942	on_reply => sub {	3003	on_reply => sub {
1943	my ($ns, $msg) = @_;	3004	my ($ns, $msg) = @_;
1944		3005
1945	# this weird shuffling is so that direct followup queries	3006	# this weird shuffling is so that direct followup queries
1946	# get handled first	3007	# get handled first
1947	my $queue = delete $ns->{query_queue}	3008	my $queue = delete $ns->{query_queue}
1948	or return; # be conservative, not sure how that can happen, but we saw a crash here	3009	or return; # be conservative, not sure how that can happen, but we saw a crash here
1949		3010
1950	(shift @$queue)->[1]->($msg);	3011	(shift @$queue)->[1]->($msg);
		3012	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1951		3013
1952	push @{ $ns->{query_queue} }, @$queue;	3014	push @{ $ns->{query_queue} }, @$queue;
1953		3015
1954	if (@{ $ns->{query_queue} } == @$queue) {	3016	if (@{ $ns->{query_queue} } == @$queue) {
1955	if (@$queue) {	3017	if (@$queue) {
…		…
1957	} else {	3019	} else {
1958	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3020	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1959	}	3021	}
1960	}	3022	}
1961	},	3023	},
		3024	on_exticmd => sub {
		3025	my ($ns, $buf) = @_;
		3026
		3027	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3028
		3029	if (ref $msg) {
		3030	my ($type, $reply, @payload) =
		3031	"ARRAY" eq ref $msg
		3032	? @$msg
		3033	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3034
		3035	my @reply;
		3036
		3037	if (my $cb = $EXTICMD{$type}) {
		3038	@reply = $cb->($ns, @payload);
		3039	}
		3040
		3041	$ns->ext_reply ($reply, @reply)
		3042	if $reply;
		3043
		3044	} else {
		3045	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3046	}
		3047
		3048	cf::override;
		3049	},
1962	);	3050	);
1963		3051
1964	=item $client->async (\&cb)	3052	=item $client->async (\&cb)
1965		3053
1966	Create a new coroutine, running the specified callback. The coroutine will	3054	Create a new coroutine, running the specified callback. The coroutine will
…		…
2007	our $safe = new Safe "safe";	3095	our $safe = new Safe "safe";
2008	our $safe_hole = new Safe::Hole;	3096	our $safe_hole = new Safe::Hole;
2009		3097
2010	$SIG{FPE} = 'IGNORE';	3098	$SIG{FPE} = 'IGNORE';
2011		3099
2012	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3100	$safe->permit_only (Opcode::opset qw(
		3101	:base_core :base_mem :base_orig :base_math
		3102	grepstart grepwhile mapstart mapwhile
		3103	sort time
		3104	));
2013		3105
2014	# here we export the classes and methods available to script code	3106	# here we export the classes and methods available to script code
2015		3107
2016	=pod	3108	=pod
2017		3109
2018	The following fucntions and emthods are available within a safe environment:	3110	The following functions and methods are available within a safe environment:
2019		3111
2020	cf::object contr pay_amount pay_player map	3112	cf::object
		3113	contr pay_amount pay_player map x y force_find force_add destroy
		3114	insert remove name archname title slaying race decrease split
		3115
2021	cf::object::player player	3116	cf::object::player
2022	cf::player peaceful	3117	player
2023	cf::map trigger	3118
		3119	cf::player
		3120	peaceful
		3121
		3122	cf::map
		3123	trigger
2024		3124
2025	=cut	3125	=cut
2026		3126
2027	for (	3127	for (
2028	["cf::object" => qw(contr pay_amount pay_player map)],	3128	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3129	insert remove inv nrof name archname title slaying race
		3130	decrease split destroy)],
2029	["cf::object::player" => qw(player)],	3131	["cf::object::player" => qw(player)],
2030	["cf::player" => qw(peaceful)],	3132	["cf::player" => qw(peaceful)],
2031	["cf::map" => qw(trigger)],	3133	["cf::map" => qw(trigger)],
2032	) {	3134	) {
2033	no strict 'refs';	3135	no strict 'refs';
…		…
2104	=back	3206	=back
2105		3207
2106	=cut	3208	=cut
2107		3209
2108	#############################################################################	3210	#############################################################################
		3211	# the server's init and main functions
2109		3212
2110	=head2 EXTENSION DATABASE SUPPORT	3213	sub load_facedata($) {
		3214	my ($path) = @_;
2111		3215
2112	Crossfire maintains a very simple database for extension use. It can	3216	# HACK to clear player env face cache, we need some signal framework
2113	currently store anything that can be serialised using Storable, which	3217	# for this (global event?)
2114	excludes objects.	3218	%ext::player_env::MUSIC_FACE_CACHE = ();
2115		3219
2116	The parameter C<$family> should best start with the name of the extension	3220	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2117	using it, it should be unique.
2118		3221
2119	=over 4	3222	warn "loading facedata from $path\n";
2120		3223
2121	=item $hashref = cf::db_get $family	3224	my $facedata;
		3225	0 < aio_load $path, $facedata
		3226	or die "$path: $!";
2122		3227
2123	Return a hashref for use by the extension C<$family>, which can be	3228	$facedata = Coro::Storable::thaw $facedata;
2124	modified. After modifications, you have to call C<cf::db_dirty> or
2125	C<cf::db_sync>.
2126		3229
2127	=item $value = cf::db_get $family => $key	3230	$facedata->{version} == 2
		3231	or cf::cleanup "$path: version mismatch, cannot proceed.";
2128		3232
2129	Returns a single value from the database	3233	# patch in the exptable
2130		3234	$facedata->{resource}{"res/exp_table"} = {
2131	=item cf::db_put $family => $hashref	3235	type => FT_RSRC,
2132		3236	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2133	Stores the given family hashref into the database. Updates are delayed, if
2134	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2135
2136	=item cf::db_put $family => $key => $value
2137
2138	Stores the given C<$value> in the family hash. Updates are delayed, if you
2139	want the data to be synced to disk immediately, use C<cf::db_sync>.
2140
2141	=item cf::db_dirty
2142
2143	Marks the database as dirty, to be updated at a later time.
2144
2145	=item cf::db_sync
2146
2147	Immediately write the database to disk I<if it is dirty>.
2148
2149	=cut
2150
2151	our $DB;
2152
2153	{
2154	my $path = cf::localdir . "/database.pst";
2155
2156	sub db_load() {
2157	$DB = stat $path ? Storable::retrieve $path : { };
2158	}
2159
2160	my $pid;
2161
2162	sub db_save() {
2163	waitpid $pid, 0 if $pid;
2164	if (0 == ($pid = fork)) {
2165	$DB->{_meta}{version} = 1;
2166	Storable::nstore $DB, "$path~";
2167	rename "$path~", $path;
2168	cf::_exit 0 if defined $pid;
2169	}
2170	}
2171
2172	my $dirty;
2173
2174	sub db_sync() {
2175	db_save if $dirty;
2176	undef $dirty;
2177	}
2178
2179	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2180	db_sync;
2181	});	3237	};
		3238	cf::cede_to_tick;
2182		3239
2183	sub db_dirty() {
2184	$dirty = 1;
2185	$idle->start;
2186	}	3240	{
		3241	my $faces = $facedata->{faceinfo};
2187		3242
2188	sub db_get($;$) {	3243	while (my ($face, $info) = each %$faces) {
2189	@_ >= 2	3244	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2190	? $DB->{$_[0]}{$_[1]}
2191	: ($DB->{$_[0]} ||= { })
2192	}
2193		3245
2194	sub db_put($$;$) {	3246	cf::face::set_visibility $idx, $info->{visibility};
2195	if (@_ >= 3) {	3247	cf::face::set_magicmap $idx, $info->{magicmap};
2196	$DB->{$_[0]}{$_[1]} = $_[2];	3248	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2197	} else {	3249	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2198	$DB->{$_[0]} = $_[1];
2199	}
2200	db_dirty;
2201	}
2202		3250
2203	cf::global->attach (	3251	cf::cede_to_tick;
2204	prio => 10000,
2205	on_cleanup => sub {
2206	db_sync;
2207	},	3252	}
2208	);
2209	}
2210		3253
2211	#############################################################################	3254	while (my ($face, $info) = each %$faces) {
2212	# the server's main()	3255	next unless $info->{smooth};
2213		3256
2214	sub cfg_load {	3257	my $idx = cf::face::find $face
		3258	or next;
		3259
		3260	if (my $smooth = cf::face::find $info->{smooth}) {
		3261	cf::face::set_smooth $idx, $smooth;
		3262	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3263	} else {
		3264	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3265	}
		3266
		3267	cf::cede_to_tick;
		3268	}
		3269	}
		3270
		3271	{
		3272	my $anims = $facedata->{animinfo};
		3273
		3274	while (my ($anim, $info) = each %$anims) {
		3275	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3276	cf::cede_to_tick;
		3277	}
		3278
		3279	cf::anim::invalidate_all; # d'oh
		3280	}
		3281
		3282	{
		3283	# TODO: for gcfclient pleasure, we should give resources
		3284	# that gcfclient doesn't grok a >10000 face index.
		3285	my $res = $facedata->{resource};
		3286
		3287	while (my ($name, $info) = each %$res) {
		3288	if (defined $info->{type}) {
		3289	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3290	my $data;
		3291
		3292	if ($info->{type} & 1) {
		3293	# prepend meta info
		3294
		3295	my $meta = $enc->encode ({
		3296	name => $name,
		3297	%{ $info->{meta} || {} },
		3298	});
		3299
		3300	$data = pack "(w/a*)*", $meta, $info->{data};
		3301	} else {
		3302	$data = $info->{data};
		3303	}
		3304
		3305	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3306	cf::face::set_type $idx, $info->{type};
		3307	} else {
		3308	$RESOURCE{$name} = $info;
		3309	}
		3310
		3311	cf::cede_to_tick;
		3312	}
		3313	}
		3314
		3315	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3316
		3317	1
		3318	}
		3319
		3320	cf::global->attach (on_resource_update => sub {
		3321	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3322	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3323
		3324	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3325	my $sound = $soundconf->{compat}[$_]
		3326	or next;
		3327
		3328	my $face = cf::face::find "sound/$sound->[1]";
		3329	cf::sound::set $sound->[0] => $face;
		3330	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3331	}
		3332
		3333	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3334	my $face = cf::face::find "sound/$v";
		3335	cf::sound::set $k => $face;
		3336	}
		3337	}
		3338	});
		3339
		3340	register_exticmd fx_want => sub {
		3341	my ($ns, $want) = @_;
		3342
		3343	while (my ($k, $v) = each %$want) {
		3344	$ns->fx_want ($k, $v);
		3345	}
		3346	};
		3347
		3348	sub load_resource_file($) {
		3349	my $guard = lock_acquire "load_resource_file";
		3350
		3351	my $status = load_resource_file_ $_[0];
		3352	get_slot 0.1, 100;
		3353	cf::arch::commit_load;
		3354
		3355	$status
		3356	}
		3357
		3358	sub reload_regions {
		3359	# HACK to clear player env face cache, we need some signal framework
		3360	# for this (global event?)
		3361	%ext::player_env::MUSIC_FACE_CACHE = ();
		3362
		3363	load_resource_file "$MAPDIR/regions"
		3364	or die "unable to load regions file\n";
		3365
		3366	for (cf::region::list) {
		3367	$_->{match} = qr/$_->{match}/
		3368	if exists $_->{match};
		3369	}
		3370	}
		3371
		3372	sub reload_facedata {
		3373	load_facedata "$DATADIR/facedata"
		3374	or die "unable to load facedata\n";
		3375	}
		3376
		3377	sub reload_archetypes {
		3378	load_resource_file "$DATADIR/archetypes"
		3379	or die "unable to load archetypes\n";
		3380	}
		3381
		3382	sub reload_treasures {
		3383	load_resource_file "$DATADIR/treasures"
		3384	or die "unable to load treasurelists\n";
		3385	}
		3386
		3387	sub reload_resources {
		3388	warn "reloading resource files...\n";
		3389
		3390	reload_facedata;
		3391	reload_archetypes;
		3392	reload_regions;
		3393	reload_treasures;
		3394
		3395	warn "finished reloading resource files\n";
		3396	}
		3397
		3398	sub init {
		3399	my $guard = freeze_mainloop;
		3400
		3401	evthread_start IO::AIO::poll_fileno;
		3402
		3403	reload_resources;
		3404	}
		3405
		3406	sub reload_config {
2215	open my $fh, "<:utf8", cf::confdir . "/config"	3407	open my $fh, "<:utf8", "$CONFDIR/config"
2216	or return;	3408	or return;
2217		3409
2218	local $/;	3410	local $/;
2219	*CFG = YAML::Syck::Load <$fh>;	3411	*CFG = YAML::Load <$fh>;
2220		3412
2221	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3413	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2222		3414
2223	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3415	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2224	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3416	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2235	sub main {	3427	sub main {
2236	# we must not ever block the main coroutine	3428	# we must not ever block the main coroutine
2237	local $Coro::idle = sub {	3429	local $Coro::idle = sub {
2238	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3430	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2239	(async {	3431	(async {
2240	Event::one_event;	3432	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3433	EV::loop EV::LOOP_ONESHOT;
2241	})->prio (Coro::PRIO_MAX);	3434	})->prio (Coro::PRIO_MAX);
2242	};	3435	};
2243		3436
2244	cfg_load;	3437	{
2245	db_load;	3438	my $guard = freeze_mainloop;
		3439	reload_config;
		3440	db_init;
2246	load_extensions;	3441	load_extensions;
2247		3442
2248	$TICK_WATCHER->start;	3443	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3444	}
		3445
2249	Event::loop;	3446	EV::loop;
2250	}	3447	}
2251		3448
2252	#############################################################################	3449	#############################################################################
2253	# initialisation and cleanup	3450	# initialisation and cleanup
2254		3451
2255	# install some emergency cleanup handlers	3452	# install some emergency cleanup handlers
2256	BEGIN {	3453	BEGIN {
		3454	our %SIGWATCHER = ();
2257	for my $signal (qw(INT HUP TERM)) {	3455	for my $signal (qw(INT HUP TERM)) {
2258	Event->signal (	3456	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2259	data => WF_AUTOCANCEL,
2260	signal => $signal,
2261	cb => sub {
2262	cf::cleanup "SIG$signal";	3457	cf::cleanup "SIG$signal";
2263	},
2264	);	3458	};
		3459	}
		3460	}
		3461
		3462	sub write_runtime_sync {
		3463	my $runtime = "$LOCALDIR/runtime";
		3464
		3465	# first touch the runtime file to show we are still running:
		3466	# the fsync below can take a very very long time.
		3467
		3468	IO::AIO::aio_utime $runtime, undef, undef;
		3469
		3470	my $guard = cf::lock_acquire "write_runtime";
		3471
		3472	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3473	or return;
		3474
		3475	my $value = $cf::RUNTIME + 90 + 10;
		3476	# 10 is the runtime save interval, for a monotonic clock
		3477	# 60 allows for the watchdog to kill the server.
		3478
		3479	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3480	and return;
		3481
		3482	# always fsync - this file is important
		3483	aio_fsync $fh
		3484	and return;
		3485
		3486	# touch it again to show we are up-to-date
		3487	aio_utime $fh, undef, undef;
		3488
		3489	close $fh
		3490	or return;
		3491
		3492	aio_rename "$runtime~", $runtime
		3493	and return;
		3494
		3495	warn "runtime file written.\n";
		3496
2265	}	3497	1
		3498	}
		3499
		3500	our $uuid_lock;
		3501	our $uuid_skip;
		3502
		3503	sub write_uuid_sync($) {
		3504	$uuid_skip ||= $_[0];
		3505
		3506	return if $uuid_lock;
		3507	local $uuid_lock = 1;
		3508
		3509	my $uuid = "$LOCALDIR/uuid";
		3510
		3511	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3512	or return;
		3513
		3514	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3515	$uuid_skip = 0;
		3516
		3517	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3518	and return;
		3519
		3520	# always fsync - this file is important
		3521	aio_fsync $fh
		3522	and return;
		3523
		3524	close $fh
		3525	or return;
		3526
		3527	aio_rename "$uuid~", $uuid
		3528	and return;
		3529
		3530	warn "uuid file written ($value).\n";
		3531
		3532	1
		3533
		3534	}
		3535
		3536	sub write_uuid($$) {
		3537	my ($skip, $sync) = @_;
		3538
		3539	$sync ? write_uuid_sync $skip
		3540	: async { write_uuid_sync $skip };
2266	}	3541	}
2267		3542
2268	sub emergency_save() {	3543	sub emergency_save() {
2269	my $freeze_guard = cf::freeze_mainloop;	3544	my $freeze_guard = cf::freeze_mainloop;
2270		3545
…		…
2276	# and maps saved/destroyed asynchronously.	3551	# and maps saved/destroyed asynchronously.
2277	warn "begin emergency player save\n";	3552	warn "begin emergency player save\n";
2278	for my $login (keys %cf::PLAYER) {	3553	for my $login (keys %cf::PLAYER) {
2279	my $pl = $cf::PLAYER{$login} or next;	3554	my $pl = $cf::PLAYER{$login} or next;
2280	$pl->valid or next;	3555	$pl->valid or next;
		3556	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2281	$pl->save;	3557	$pl->save;
2282	}	3558	}
2283	warn "end emergency player save\n";	3559	warn "end emergency player save\n";
2284		3560
2285	warn "begin emergency map save\n";	3561	warn "begin emergency map save\n";
…		…
2287	my $map = $cf::MAP{$path} or next;	3563	my $map = $cf::MAP{$path} or next;
2288	$map->valid or next;	3564	$map->valid or next;
2289	$map->save;	3565	$map->save;
2290	}	3566	}
2291	warn "end emergency map save\n";	3567	warn "end emergency map save\n";
		3568
		3569	warn "begin emergency database checkpoint\n";
		3570	BDB::db_env_txn_checkpoint $DB_ENV;
		3571	warn "end emergency database checkpoint\n";
		3572
		3573	warn "begin write uuid\n";
		3574	write_uuid_sync 1;
		3575	warn "end write uuid\n";
2292	};	3576	};
2293		3577
2294	warn "leave emergency perl save\n";	3578	warn "leave emergency perl save\n";
2295	}	3579	}
2296		3580
		3581	sub post_cleanup {
		3582	my ($make_core) = @_;
		3583
		3584	warn Carp::longmess "post_cleanup backtrace"
		3585	if $make_core;
		3586	}
		3587
2297	sub reload() {	3588	sub do_reload_perl() {
2298	# can/must only be called in main	3589	# can/must only be called in main
2299	if ($Coro::current != $Coro::main) {	3590	if ($Coro::current != $Coro::main) {
2300	warn "can only reload from main coroutine";	3591	warn "can only reload from main coroutine";
2301	return;	3592	return;
2302	}	3593	}
2303		3594
2304	warn "reloading...";	3595	warn "reloading...";
2305		3596
2306	warn "cancelling server ticker";	3597	warn "entering sync_job";
2307	$TICK_WATCHER->cancel;
2308		3598
		3599	cf::sync_job {
		3600	cf::write_runtime_sync; # external watchdog should not bark
2309	cf::emergency_save;	3601	cf::emergency_save;
		3602	cf::write_runtime_sync; # external watchdog should not bark
2310		3603
2311	eval {	3604	warn "syncing database to disk";
		3605	BDB::db_env_txn_checkpoint $DB_ENV;
		3606
2312	# if anything goes wrong in here, we should simply crash as we already saved	3607	# if anything goes wrong in here, we should simply crash as we already saved
2313
2314	warn "syncing database to disk";
2315	cf::db_sync;
2316
2317	warn "cancelling all WF_AUTOCANCEL watchers";
2318	for (Event::all_watchers) {
2319	$_->cancel if $_->data & WF_AUTOCANCEL;
2320	}
2321		3608
2322	warn "flushing outstanding aio requests";	3609	warn "flushing outstanding aio requests";
2323	for (;;) {	3610	for (;;) {
		3611	BDB::flush;
2324	IO::AIO::flush;	3612	IO::AIO::flush;
2325	Coro::cede;	3613	Coro::cede_notself;
2326	last unless IO::AIO::nreqs;	3614	last unless IO::AIO::nreqs || BDB::nreqs;
2327	warn "iterate...";	3615	warn "iterate...";
2328	}	3616	}
		3617
		3618	++$RELOAD;
2329		3619
2330	warn "cancelling all extension coros";	3620	warn "cancelling all extension coros";
2331	$_->cancel for values %EXT_CORO;	3621	$_->cancel for values %EXT_CORO;
2332	%EXT_CORO = ();	3622	%EXT_CORO = ();
2333		3623
2334	warn "removing commands";	3624	warn "removing commands";
2335	%COMMAND = ();	3625	%COMMAND = ();
2336		3626
2337	warn "removing ext commands";	3627	warn "removing ext/exti commands";
2338	%EXTCMD = ();	3628	%EXTCMD = ();
		3629	%EXTICMD = ();
2339		3630
2340	warn "unloading/nuking all extensions";	3631	warn "unloading/nuking all extensions";
2341	for my $pkg (@EXTS) {	3632	for my $pkg (@EXTS) {
2342	warn "... unloading $pkg";	3633	warn "... unloading $pkg";
2343		3634
…		…
2373	Symbol::delete_package "safe::$_"	3664	Symbol::delete_package "safe::$_"
2374	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3665	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2375		3666
2376	warn "unloading cf.pm \"a bit\"";	3667	warn "unloading cf.pm \"a bit\"";
2377	delete $INC{"cf.pm"};	3668	delete $INC{"cf.pm"};
		3669	delete $INC{"cf/pod.pm"};
2378		3670
2379	# don't, removes xs symbols, too,	3671	# don't, removes xs symbols, too,
2380	# and global variables created in xs	3672	# and global variables created in xs
2381	#Symbol::delete_package __PACKAGE__;	3673	#Symbol::delete_package __PACKAGE__;
2382		3674
…		…
2385	warn "reloading cf.pm";	3677	warn "reloading cf.pm";
2386	require cf;	3678	require cf;
2387	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3679	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2388		3680
2389	warn "loading config and database again";	3681	warn "loading config and database again";
2390	cf::cfg_load;	3682	cf::reload_config;
2391	cf::db_load;
2392		3683
2393	warn "loading extensions";	3684	warn "loading extensions";
2394	cf::load_extensions;	3685	cf::load_extensions;
2395		3686
2396	warn "reattaching attachments to objects/players";	3687	warn "reattaching attachments to objects/players";
2397	_global_reattach;	3688	_global_reattach; # objects, sockets
2398	warn "reattaching attachments to maps";	3689	warn "reattaching attachments to maps";
2399	reattach $_ for values %MAP;	3690	reattach $_ for values %MAP;
		3691	warn "reattaching attachments to players";
		3692	reattach $_ for values %PLAYER;
2400		3693
2401	warn "restarting server ticker";	3694	warn "leaving sync_job";
2402		3695
2403	$TICK_WATCHER->start;	3696	1
		3697	} or do {
		3698	warn $@;
		3699	cf::cleanup "error while reloading, exiting.";
2404	};	3700	};
2405
2406	if ($@) {
2407	warn $@;
2408	warn "error while reloading, exiting.";
2409	exit 1;
2410	}
2411		3701
2412	warn "reloaded";	3702	warn "reloaded";
2413	};	3703	};
2414		3704
2415	our $RELOAD_WATCHER; # used only during reload	3705	our $RELOAD_WATCHER; # used only during reload
2416		3706
		3707	sub reload_perl() {
		3708	# doing reload synchronously and two reloads happen back-to-back,
		3709	# coro crashes during coro_state_free->destroy here.
		3710
		3711	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3712	do_reload_perl;
		3713	undef $RELOAD_WATCHER;
		3714	};
		3715	}
		3716
2417	register_command "reload" => sub {	3717	register_command "reload" => sub {
2418	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
2419		3719
2420	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
2421	$who->message ("reloading server.");	3721	$who->message ("reloading server.");
2422		3722	async {
2423	# doing reload synchronously and two reloads happen back-to-back,	3723	$Coro::current->{desc} = "perl_reload";
2424	# coro crashes during coro_state_free->destroy here.
2425
2426	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2427	reload;	3724	reload_perl;
2428	undef $RELOAD_WATCHER;
2429	});	3725	};
2430	}	3726	}
2431	};	3727	};
2432		3728
2433	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
2434		3730
2435	my $bug_warning = 0;	3731	my $bug_warning = 0;
2436		3732
2437	$TICK_WATCHER = Event->timer (	3733	our @WAIT_FOR_TICK;
2438	reentrant => 0,	3734	our @WAIT_FOR_TICK_BEGIN;
2439	parked => 1,	3735
2440	prio => 0,	3736	sub wait_for_tick {
2441	at => $NEXT_TICK || $TICK,	3737	return if tick_inhibit || $Coro::current == $Coro::main;
2442	data => WF_AUTOCANCEL,	3738
2443	cb => sub {	3739	my $signal = new Coro::Signal;
		3740	push @WAIT_FOR_TICK, $signal;
		3741	$signal->wait;
		3742	}
		3743
		3744	sub wait_for_tick_begin {
		3745	return if tick_inhibit || $Coro::current == $Coro::main;
		3746
		3747	my $signal = new Coro::Signal;
		3748	push @WAIT_FOR_TICK_BEGIN, $signal;
		3749	$signal->wait;
		3750	}
		3751
		3752	sub tick {
2444	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
2445	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2446	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
2447	return;	3756	return;
2448	}	3757	}
2449		3758
2450	$NOW = Event::time;
2451
2452	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
2453	$RUNTIME += $TICK;
2454	$NEXT_TICK += $TICK;
2455		3760
2456	$WAIT_FOR_TICK->broadcast;	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2457	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2458		3763	Coro::async_pool {
2459	# if we are delayed by four ticks or more, skip them all	3764	$Coro::current->{desc} = "runtime saver";
2460	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2461
2462	$TICK_WATCHER->at ($NEXT_TICK);
2463	$TICK_WATCHER->start;
2464	},
2465	);
2466
2467	IO::AIO::max_poll_time $TICK * 0.2;
2468
2469	$AIO_POLL_WATCHER = Event->io (
2470	fd => IO::AIO::poll_fileno,
2471	poll => 'r',
2472	prio => 5,
2473	data => WF_AUTOCANCEL,
2474	cb => \&IO::AIO::poll_cb,
2475	);
2476
2477	$WRITE_RUNTIME_WATCHER = Event->timer (
2478	data => WF_AUTOCANCEL,
2479	after => 1,
2480	interval => 10,
2481	cb => Coro::unblock_sub {
2482	write_runtime	3765	write_runtime_sync
2483	or warn "ERROR: unable to write runtime file: $!";	3766	or warn "ERROR: unable to write runtime file: $!";
		3767	};
2484	},	3768	}
2485	);	3769
		3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3771	$sig->send;
		3772	}
		3773	while (my $sig = shift @WAIT_FOR_TICK) {
		3774	$sig->send;
		3775	}
		3776
		3777	$LOAD = ($NOW - $TICK_START) / $TICK;
		3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3779
		3780	if (0) {
		3781	if ($NEXT_TICK) {
		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
		3785	}
		3786	}
		3787	}
		3788
		3789	{
		3790	# configure BDB
		3791
		3792	BDB::min_parallel 8;
		3793	BDB::max_poll_reqs $TICK * 0.1;
		3794	$AnyEvent::BDB::WATCHER->priority (1);
		3795
		3796	unless ($DB_ENV) {
		3797	$DB_ENV = BDB::db_env_create;
		3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3799	| BDB::LOG_AUTOREMOVE, 1);
		3800	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3801	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3802
		3803	cf::sync_job {
		3804	eval {
		3805	BDB::db_env_open
		3806	$DB_ENV,
		3807	$BDBDIR,
		3808	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3809	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3810	0666;
		3811
		3812	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3813	};
		3814
		3815	cf::cleanup "db_env_open(db): $@" if $@;
		3816	};
		3817	}
		3818
		3819	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3820	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3821	};
		3822	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3823	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3824	};
		3825	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3826	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3827	};
		3828	}
		3829
		3830	{
		3831	# configure IO::AIO
		3832
		3833	IO::AIO::min_parallel 8;
		3834	IO::AIO::max_poll_time $TICK * 0.1;
		3835	undef $AnyEvent::AIO::WATCHER;
		3836	}
		3837
		3838	my $_log_backtrace;
		3839
		3840	sub _log_backtrace {
		3841	my ($msg, @addr) = @_;
		3842
		3843	$msg =~ s/\n//;
		3844
		3845	# limit the # of concurrent backtraces
		3846	if ($_log_backtrace < 2) {
		3847	++$_log_backtrace;
		3848	async {
		3849	$Coro::current->{desc} = "abt $msg";
		3850
		3851	my @bt = fork_call {
		3852	@addr = map { sprintf "%x", $_ } @addr;
		3853	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3854	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3855	or die "addr2line: $!";
		3856
		3857	my @funcs;
		3858	my @res = <$fh>;
		3859	chomp for @res;
		3860	while (@res) {
		3861	my ($func, $line) = splice @res, 0, 2, ();
		3862	push @funcs, "[$func] $line";
		3863	}
		3864
		3865	@funcs
		3866	};
		3867
		3868	LOG llevInfo, "[ABT] $msg\n";
		3869	LOG llevInfo, "[ABT] $_\n" for @bt;
		3870	--$_log_backtrace;
		3871	};
		3872	} else {
		3873	LOG llevInfo, "[ABT] $msg\n";
		3874	LOG llevInfo, "[ABT] [suppressed]\n";
		3875	}
		3876	}
		3877
		3878	# load additional modules
		3879	use cf::pod;
2486		3880
2487	END { cf::emergency_save }	3881	END { cf::emergency_save }
2488		3882
2489	1	3883	1
2490		3884

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