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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.207 by root, Sun Feb 11 22:42:09 2007 UTC vs.
Revision 1.442 by root, Sun Aug 31 09:03:31 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
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.5 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
20	use BDB ();	52	use BDB ();
21	use Data::Dumper;	53	use Data::Dumper;
22	use Digest::MD5;	54	use Digest::MD5;
23	use Fcntl;	55	use Fcntl;
		56	use YAML ();
24	use IO::AIO 2.32 ();	57	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	58	use Time::HiRes;
		59	use Compress::LZF;
		60	use Digest::MD5 ();
27		61
28	use Event; $Event::Eval = 1; # no idea why this is required, but it is	62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
29		71
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31
32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
33	$YAML::Syck::ImplicitUnicode = 1;
34
35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
36		73
37	our %COMMAND = ();	74	our %COMMAND = ();
38	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
39		76
40	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
44		82
		83	our $RELOAD; # number of reloads so far
45	our @EVENT;	84	our @EVENT;
46	our $LIBDIR = datadir . "/ext";
47		85
48	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
49	our $TICK_WATCHER;	87	our $DATADIR = datadir;
50	our $AIO_POLL_WATCHER;	88	our $LIBDIR = "$DATADIR/ext";
51	our $WRITE_RUNTIME_WATCHER;	89	our $PODDIR = "$DATADIR/pod";
		90	our $MAPDIR = "$DATADIR/" . mapdir;
		91	our $LOCALDIR = localdir;
		92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		95	our $RANDOMDIR = "$LOCALDIR/random";
		96	our $BDBDIR = "$LOCALDIR/db";
		97	our %RESOURCE;
		98
		99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	our $NEXT_TICK;	101	our $NEXT_TICK;
53	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
56	our $BDB_POLL_WATCHER;	106	our $BDB_TRICKLE_WATCHER;
57	our $DB_ENV;	107	our $DB_ENV;
58		108
59	our %CFG;	109	our %CFG;
60		110
61	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
63		114
64	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
65	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	117	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		118
73	# used to convert map paths into valid unix filenames by replacing / by ∕	119	# used to convert map paths into valid unix filenames by replacing / by ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		121
		122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		123	our $LOADAVG; # same thing, but with alpha-smoothing
		124	our $JITTER; # average jitter
		125	our $TICK_START; # for load detecting purposes
		126
76	binmode STDOUT;	127	binmode STDOUT;
77	binmode STDERR;	128	binmode STDERR;
78		129
79	# read virtual server time, if available	130	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
81	open my $fh, "<", cf::localdir . "/runtime"	132	open my $fh, "<", "$LOCALDIR/runtime"
82	or die "unable to read runtime file: $!";	133	or die "unable to read runtime file: $!";
83	$RUNTIME = <$fh> + 0.;	134	$RUNTIME = <$fh> + 0.;
84	}	135	}
85		136
86	mkdir cf::localdir;	137	mkdir $_
87	mkdir cf::localdir . "/" . cf::playerdir;	138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
88	mkdir cf::localdir . "/" . cf::tmpdir;
89	mkdir cf::localdir . "/" . cf::uniquedir;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		139
93	our $EMERGENCY_POSITION;	140	our $EMERGENCY_POSITION;
94		141
95	sub cf::map::normalise;	142	sub cf::map::normalise;
96		143
…		…
107	=item $cf::RUNTIME	154	=item $cf::RUNTIME
108		155
109	The time this server has run, starts at 0 and is increased by $cf::TICK on	156	The time this server has run, starts at 0 and is increased by $cf::TICK on
110	every server tick.	157	every server tick.
111		158
112	=item $cf::LIBDIR	159	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		160	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		161	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
113		162
114	The perl library directory, where extensions and cf-specific modules can	163	Various directories - "/etc", read-only install directory, perl-library
115	be found. It will be added to C<@INC> automatically.	164	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		165	unique-items directory, player file directory, random maps directory and
		166	database environment.
116		167
117	=item $cf::NOW	168	=item $cf::NOW
118		169
119	The time of the last (current) server tick.	170	The time of the last (current) server tick.
120		171
121	=item $cf::TICK	172	=item $cf::TICK
122		173
123	The interval between server ticks, in seconds.	174	The interval between server ticks, in seconds.
124		175
		176	=item $cf::LOADAVG
		177
		178	The current CPU load on the server (alpha-smoothed), as a value between 0
		179	(none) and 1 (overloaded), indicating how much time is spent on processing
		180	objects per tick. Healthy values are < 0.5.
		181
		182	=item $cf::LOAD
		183
		184	The raw value load value from the last tick.
		185
125	=item %cf::CFG	186	=item %cf::CFG
126		187
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
128	from wherever your confdir points to.	189	from wherever your confdir points to.
129		190
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		192
132	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
133	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	194	returns directly I<after> the tick processing (and consequently, can only wake one process
134	processing has been done. Call C<< ->wait >> on them to maximise the	195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
135	window of cpu time available, or simply to synchronise to the server tick.	196
		197	=item @cf::INVOKE_RESULTS
		198
		199	This array contains the results of the last C<invoke ()> call. When
		200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		201	that call.
136		202
137	=back	203	=back
138		204
139	=cut	205	=cut
140		206
141	BEGIN {	207	BEGIN {
142	*CORE::GLOBAL::warn = sub {	208	*CORE::GLOBAL::warn = sub {
143	my $msg = join "", @_;	209	my $msg = join "", @_;
144	utf8::encode $msg;
145		210
146	$msg .= "\n"	211	$msg .= "\n"
147	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
148		213
		214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		215
149	LOG llevError, $msg;	216	LOG llevError, $msg;
150	};	217	};
151	}	218	}
		219
		220	$Coro::State::DIEHOOK = sub {
		221	return unless $^S eq 0; # "eq", not "=="
		222
		223	if ($Coro::current == $Coro::main) {#d#
		224	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		225	return;#d#
		226	}#d#
		227
		228	# kill coroutine otherwise
		229	warn Carp::longmess $_[0];
		230	Coro::terminate
		231	};
		232
		233	$SIG{__DIE__} = sub { }; #d#?
152		234
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	239	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		240	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
158	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	241	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
159		242
160	# we bless all objects into (empty) derived classes to force a method lookup	243	# we bless all objects into (empty) derived classes to force a method lookup
161	# within the Safe compartment.	244	# within the Safe compartment.
162	for my $pkg (qw(	245	for my $pkg (qw(
163	cf::global cf::attachable	246	cf::global cf::attachable
164	cf::object cf::object::player	247	cf::object cf::object::player
165	cf::client cf::player	248	cf::client cf::player
166	cf::arch cf::living	249	cf::arch cf::living
		250	cf::map cf::mapspace
167	cf::map cf::party cf::region	251	cf::party cf::region
168	)) {	252	)) {
169	no strict 'refs';
170	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
171	}	254	}
172		255
173	$Event::DIED = sub {	256	$EV::DIED = sub {
174	warn "error in event callback: @_";	257	warn "error in event callback: @_";
175	};	258	};
		259
		260	#############################################################################
176		261
177	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
178		263
179	=over 4	264	=over 4
180		265
…		…
199	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
200	$d	285	$d
201	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
202	}	287	}
203		288
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
207		290
208	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
209		292
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
218		294
219	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
220		296
221	=cut	297	=cut
222		298
223	sub to_json($) {	299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	300
225	JSON::Syck::Dump $_[0]	301	sub encode_json($) { $json_coder->encode ($_[0]) }
226	}	302	sub decode_json($) { $json_coder->decode ($_[0]) }
227		303
228	=item cf::lock_wait $string	304	=item cf::lock_wait $string
229		305
230	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
231		307
…		…
234	Wait until the given lock is available and then acquires it and returns	310	Wait until the given lock is available and then acquires it and returns
235	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	311	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
236	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
237	returned.	313	returned.
238		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
239	Lock names should begin with a unique identifier (for example, cf::map::find	318	Lock names should begin with a unique identifier (for example, cf::map::find
240	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
241		320
		321	=item $locked = cf::lock_active $string
		322
		323	Return true if the lock is currently active, i.e. somebody has locked it.
		324
242	=cut	325	=cut
243		326
244	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
245		329
246	sub lock_wait($) {	330	sub lock_wait($) {
247	my ($key) = @_;	331	my ($key) = @_;
		332
		333	if ($LOCKER{$key} == $Coro::current) {#d#
		334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		335	return;#d#
		336	}#d#
248		337
249	# wait for lock, if any	338	# wait for lock, if any
250	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
251	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;	341	Coro::schedule;
…		…
258		347
259	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
260	lock_wait $key;	349	lock_wait $key;
261		350
262	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
263		353
264	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
265	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
267	}	358	}
268	}	359	}
269		360
		361	sub lock_active($) {
		362	my ($key) = @_;
		363
		364	! ! $LOCK{$key}
		365	}
		366
270	sub freeze_mainloop {	367	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
272		369
273	my $guard = Coro::guard {	370	Coro::guard \&tick_inhibit_dec;
274	$TICK_WATCHER->start;	371	}
275	$WRITE_RUNTIME_WATCHER->start;	372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
276	};	431	}
277	$WRITE_RUNTIME_WATCHER->stop;	432	};
278	$TICK_WATCHER->stop;	433
279	$guard	434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
280	}	446	}
281		447
282	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
283		449
284	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		455
290	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
291		457
292	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
293		459
294	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
297		464
298	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
301	fast or be very important.	468	fast or be very important.
…		…
304		471
305	sub sync_job(&) {	472	sub sync_job(&) {
306	my ($job) = @_;	473	my ($job) = @_;
307		474
308	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
309	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
311		480
312	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
313	# (but this is cancel-safe)	482
314	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
315		484
316	my $busy = 1;	485	my $busy = 1;
317	my @res;	486	my @res;
318		487
319	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
320	@res = eval { $job->() };	490	@res = eval { $job->() };
321	warn $@ if $@;	491	warn $@ if $@;
322	undef $busy;	492	undef $busy;
323	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
324		494
325	while ($busy) {	495	while ($busy) {
326	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
327	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
328		506
329	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
330	} else {	508	} else {
331	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
332		510
…		…
352	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
353		531
354	$coro	532	$coro
355	}	533	}
356		534
357	sub write_runtime {	535	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		536
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	Executes the given code block with the given arguments in a seperate
361	or return;	538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
362		541
363	my $value = $cf::RUNTIME + 90 + 10;	542	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		543
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	sub fork_call(&@) {
368	and return;	545	my ($cb, @args) = @_;
369		546
370	# always fsync - this file is important	547	# we seemingly have to make a local copy of the whole thing,
371	aio_fsync $fh	548	# otherwise perl prematurely frees the stuff :/
372	and return;	549	# TODO: investigate and fix (likely this will be rather laborious)
373		550
374	close $fh	551	my @res = Coro::Util::fork_eval {
375	or return;	552	reset_signals;
		553	&$cb
		554	}, @args;
376		555
377	aio_rename "$runtime~", $runtime	556	wantarray ? @res : $res[-1]
378	and return;	557	}
379		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
380	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
		711	}
		712
		713	=item cf::datalog type => key => value, ...
		714
		715	Log a datalog packet of the given type with the given key-value pairs.
		716
		717	=cut
		718
		719	sub datalog($@) {
		720	my ($type, %kv) = @_;
		721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
381	}	722	}
382		723
383	=back	724	=back
384		725
385	=cut	726	=cut
…		…
392	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
393	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
394		735
395	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
396	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
397	crossfire+).	738	Deliantra).
398		739
399	=over 4	740	=over 4
400		741
401	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
402		743
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
566		907
567	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		912
572	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	914	my $pkg = shift @arg;
574		915
575	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
605	}	946	}
606		947
607	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
608	} else {	949	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	951	}
611		952
612	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
613	}	954	}
614		955
…		…
616	if (ref $_[0]) {	957	if (ref $_[0]) {
617	_object_attach @_;	958	_object_attach @_;
618	} else {	959	} else {
619	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
620	}	961	}
		962	_recalc_want;
621	};	963	};
622		964
623	# all those should be optimised	965	# all those should be optimised
624	sub cf::attachable::detach {	966	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
629	reattach ($obj);	971	reattach ($obj);
630	} else {	972	} else {
631	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
632	}	974	}
		975	_recalc_want;
633	};	976	};
634		977
635	sub cf::attachable::attached {	978	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
637		980
…		…
652	";	995	";
653	die if $@;	996	die if $@;
654	}	997	}
655		998
656	our $override;	999	our $override;
657	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
658		1001
659	sub override {	1002	sub override {
660	$override = 1;	1003	$override = 1;
661	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
662	}	1005	}
663		1006
664	sub do_invoke {	1007	sub do_invoke {
665	my $event = shift;	1008	my $event = shift;
666	my $callbacks = shift;	1009	my $callbacks = shift;
667		1010
668	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
669		1012
670	local $override;	1013	local $override;
671		1014
672	for (@$callbacks) {	1015	for (@$callbacks) {
673	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
682	}	1025	}
683		1026
684	0	1027	0
685	}	1028	}
686		1029
687	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
688		1031
689	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
690		1033
691	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
692		1035
693	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
694	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
695	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		1039
697	=back	1040	=back
698		1041
699	=cut	1042	=cut
700		1043
701	#############################################################################	1044	#############################################################################
702	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
703		1088
704	sub reattach {	1089	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	1091	my ($obj) = @_;
707		1092
		1093	# no longer needed after getting rid of delete_package?
708	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
709		1095
710	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
711		1097
712	@$registry = ();	1098	@$registry = ();
713		1099
…		…
728	cf::attachable->attach (	1114	cf::attachable->attach (
729	prio => -1000000,	1115	prio => -1000000,
730	on_instantiate => sub {	1116	on_instantiate => sub {
731	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
732		1118
733	$data = from_json $data;	1119	$data = decode_json $data;
734		1120
735	for (@$data) {	1121	for (@$data) {
736	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
737		1123
738	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
754	sub object_freezer_save {	1140	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
756		1142
757	sync_job {	1143	sync_job {
758	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
761		1148
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1153	aio_close $fh;
767		1154
768	if (@$objs) {	1155	if (@$objs) {
769	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
770	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1161	aio_close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
776	}	1163	}
777	} else {	1164	} else {
778	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
779	}	1166	}
…		…
784	}	1171	}
785	} else {	1172	} else {
786	aio_unlink $filename;	1173	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1174	aio_unlink "$filename.pst";
788	}	1175	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1176	};
796	}	1177	}
797		1178
798	sub object_freezer_as_string {	1179	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1180	my ($rdata, $objs) = @_;
800		1181
…		…
805		1186
806	sub object_thawer_load {	1187	sub object_thawer_load {
807	my ($filename) = @_;	1188	my ($filename) = @_;
808		1189
809	my ($data, $av);	1190	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1191
814	(aio_load $filename, $data) >= 0	1192	(aio_load $filename, $data) >= 0
815	or return;	1193	or return;
816		1194
817	unless (aio_stat "$filename.pst") {	1195	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1196	(aio_load "$filename.pst", $av) >= 0
819	or return;	1197	or return;
		1198
820	$av = eval { (Storable::thaw $av)->{objs} };	1199	my $st = eval { Coro::Storable::thaw $av };
		1200	$av = $st->{objs};
821	}	1201	}
822		1202
		1203	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1204	warn sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1205	$decname, length $data, scalar @{$av || []};
		1206
825	return ($data, $av);	1207	($data, $av)
826	}	1208	}
		1209
		1210	=head2 COMMAND CALLBACKS
		1211
		1212	=over 4
		1213
		1214	=cut
827		1215
828	#############################################################################	1216	#############################################################################
829	# command handling &c	1217	# command handling &c
830		1218
831	=item cf::register_command $name => \&callback($ob,$args);	1219	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1232	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1233	}
846		1234
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1235	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1236
849	Register a callbackf ro execution when the client sends an extcmd packet.	1237	Register a callback for execution when the client sends an (synchronous)
		1238	extcmd packet. Ext commands will be processed in the order they are
		1239	received by the server, like other user commands. The first argument is
		1240	the logged-in player. Ext commands can only be processed after a player
		1241	has logged in successfully.
850		1242
851	If the callback returns something, it is sent back as if reply was being	1243	If the callback returns something, it is sent back as if reply was being
852	called.	1244	called.
853		1245
		1246	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1247
		1248	Register a callback for execution when the client sends an (asynchronous)
		1249	exticmd packet. Exti commands are processed by the server as soon as they
		1250	are received, i.e. out of order w.r.t. other commands. The first argument
		1251	is a client socket. Exti commands can be received anytime, even before
		1252	log-in.
		1253
		1254	If the callback returns something, it is sent back as if reply was being
		1255	called.
		1256
854	=cut	1257	=cut
855		1258
856	sub register_extcmd {	1259	sub register_extcmd {
857	my ($name, $cb) = @_;	1260	my ($name, $cb) = @_;
858		1261
859	$EXTCMD{$name} = $cb;	1262	$EXTCMD{$name} = $cb;
		1263	}
		1264
		1265	sub register_exticmd {
		1266	my ($name, $cb) = @_;
		1267
		1268	$EXTICMD{$name} = $cb;
860	}	1269	}
861		1270
862	cf::player->attach (	1271	cf::player->attach (
863	on_command => sub {	1272	on_command => sub {
864	my ($pl, $name, $params) = @_;	1273	my ($pl, $name, $params) = @_;
…		…
873	cf::override;	1282	cf::override;
874	},	1283	},
875	on_extcmd => sub {	1284	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1285	my ($pl, $buf) = @_;
877		1286
878	my $msg = eval { from_json $buf };	1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1288
880	if (ref $msg) {	1289	if (ref $msg) {
		1290	my ($type, $reply, @payload) =
		1291	"ARRAY" eq ref $msg
		1292	? @$msg
		1293	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1294
		1295	my @reply;
		1296
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1297	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1298	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1299	}
		1300
		1301	$pl->ext_reply ($reply, @reply)
		1302	if $reply;
		1303
886	} else {	1304	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1306	}
889		1307
890	cf::override;	1308	cf::override;
891	},	1309	},
892	);	1310	);
893		1311
894	sub load_extension {
895	my ($path) = @_;
896
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
898	my $base = $1;
899	my $pkg = $1;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}
922	die $@;
923	}
924
925	push @EXTS, $pkg;
926	}
927
928	sub load_extensions {	1312	sub load_extensions {
		1313	cf::sync_job {
		1314	my %todo;
		1315
929	for my $ext (<$LIBDIR/*.ext>) {	1316	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1317	next unless -r $path;
931	eval {	1318
932	load_extension $ext;	1319	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1320	my $base = $1;
		1321	my $pkg = $1;
		1322	$pkg =~ s/[^[:word:]]/_/g;
		1323	$pkg = "ext::$pkg";
		1324
		1325	open my $fh, "<:utf8", $path
		1326	or die "$path: $!";
		1327
		1328	my $source = do { local $/; <$fh> };
		1329
		1330	my %ext = (
		1331	path => $path,
		1332	base => $base,
		1333	pkg => $pkg,
		1334	);
		1335
		1336	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1337	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1338
		1339	$ext{source} =
		1340	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1341	. "#line 1 \"$path\"\n{\n"
		1342	. $source
		1343	. "\n};\n1";
		1344
		1345	$todo{$base} = \%ext;
		1346	}
		1347
		1348	my %done;
		1349	while (%todo) {
		1350	my $progress;
		1351
		1352	while (my ($k, $v) = each %todo) {
		1353	for (split /,\s*/, $v->{meta}{depends}) {
		1354	goto skip
		1355	unless exists $done{$_};
		1356	}
		1357
		1358	warn "... loading '$k' into '$v->{pkg}'\n";
		1359
		1360	unless (eval $v->{source}) {
		1361	my $msg = $@ ? "$v->{path}: $@\n"
		1362	: "$v->{base}: extension inactive.\n";
		1363
		1364	if (exists $v->{meta}{mandatory}) {
		1365	warn $msg;
		1366	cf::cleanup "mandatory extension failed to load, exiting.";
		1367	}
		1368
		1369	warn $msg;
		1370	}
		1371
		1372	$done{$k} = delete $todo{$k};
		1373	push @EXTS, $v->{pkg};
		1374	$progress = 1;
933	1	1375	}
934	} or warn "$ext not loaded: $@";	1376
		1377	skip:
		1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1379	unless $progress;
		1380	}
935	}	1381	};
936	}	1382	}
937		1383
938	#############################################################################	1384	#############################################################################
939		1385
		1386	=back
		1387
940	=head2 CORE EXTENSIONS	1388	=head2 CORE EXTENSIONS
941		1389
942	Functions and methods that extend core crossfire objects.	1390	Functions and methods that extend core crossfire objects.
943		1391
944	=cut	1392	=cut
…		…
949		1397
950	=head3 cf::player	1398	=head3 cf::player
951		1399
952	=over 4	1400	=over 4
953		1401
		1402	=item cf::player::num_playing
		1403
		1404	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1405
		1406	=cut
		1407
		1408	sub num_playing {
		1409	scalar grep
		1410	$_->ob->map
		1411	&& !$_->hidden
		1412	&& !$_->ob->flag (cf::FLAG_WIZ),
		1413	cf::player::list
		1414	}
		1415
954	=item cf::player::find $login	1416	=item cf::player::find $login
955		1417
956	Returns the given player object, loading it if necessary (might block).	1418	Returns the given player object, loading it if necessary (might block).
957		1419
958	=cut	1420	=cut
959		1421
960	sub playerdir($) {	1422	sub playerdir($) {
961	cf::localdir	1423	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1424	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1425	}
967		1426
968	sub path($) {	1427	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1428	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1429
971	(playerdir $login) . "/$login.pl"	1430	(playerdir $login) . "/playerdata"
972	}	1431	}
973		1432
974	sub find_active($) {	1433	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1434	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1435	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1448	my $login = $_[0];
990		1449
991	my $guard = cf::lock_acquire "user_find:$login";	1450	my $guard = cf::lock_acquire "user_find:$login";
992		1451
993	$cf::PLAYER{$_[0]} || do {	1452	$cf::PLAYER{$_[0]} || do {
994	my $pl = load_pl path $login	1453	# rename old playerfiles to new ones
		1454	#TODO: remove when no longer required
		1455	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1456	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1457	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1458	aio_unlink +(playerdir $login) . "/$login.pl";
		1459
		1460	my $f = new_from_file cf::object::thawer path $login
995	or return;	1461	or return;
		1462
		1463	my $pl = cf::player::load_pl $f
		1464	or return;
		1465
		1466	local $cf::PLAYER_LOADING{$login} = $pl;
		1467	$f->resolve_delayed_derefs;
996	$cf::PLAYER{$login} = $pl	1468	$cf::PLAYER{$login} = $pl
997	}	1469	}
998	}	1470	}
999	}	1471	}
1000		1472
…		…
1009	return if $pl->{deny_save};	1481	return if $pl->{deny_save};
1010		1482
1011	aio_mkdir playerdir $pl, 0770;	1483	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1484	$pl->{last_save} = $cf::RUNTIME;
1013		1485
		1486	cf::get_slot 0.01;
		1487
1014	$pl->save_pl ($path);	1488	$pl->save_pl ($path);
1015	Coro::cede;	1489	cf::cede_to_tick;
1016	}	1490	}
1017		1491
1018	sub new($) {	1492	sub new($) {
1019	my ($login) = @_;	1493	my ($login) = @_;
1020		1494
…		…
1026	$cf::PLAYER{$login} = $self;	1500	$cf::PLAYER{$login} = $self;
1027		1501
1028	$self	1502	$self
1029	}	1503	}
1030		1504
		1505	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1506
		1507	=cut
		1508
		1509	sub send_msg {
		1510	my $ns = shift->ns
		1511	or return;
		1512	$ns->send_msg (@_);
		1513	}
		1514
1031	=item $pl->quit_character	1515	=item $pl->quit_character
1032		1516
1033	Nukes the player without looking back. If logged in, the connection will	1517	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1518	be destroyed. May block for a long time.
1035		1519
1036	=cut	1520	=cut
1037		1521
1038	sub quit_character {	1522	sub quit_character {
1039	my ($pl) = @_;	1523	my ($pl) = @_;
1040		1524
		1525	my $name = $pl->ob->name;
		1526
1041	$pl->{deny_save} = 1;	1527	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1528	$pl->password ("*"); # this should lock out the player until we nuked the dir
1043		1529
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1045	$pl->deactivate;	1531	$pl->deactivate;
		1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1533	$pl->ob->check_score;
1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1047	$pl->ns->destroy if $pl->ns;	1535	$pl->ns->destroy if $pl->ns;
1048		1536
1049	my $path = playerdir $pl;	1537	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1538	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1539	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1540	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1541	$pl->destroy;
		1542
		1543	my $prefix = qr<^~\Q$name\E/>;
		1544
		1545	# nuke player maps
		1546	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1547
1054	IO::AIO::aio_rmtree $temp;	1548	IO::AIO::aio_rmtree $temp;
		1549	}
		1550
		1551	=item $pl->kick
		1552
		1553	Kicks a player out of the game. This destroys the connection.
		1554
		1555	=cut
		1556
		1557	sub kick {
		1558	my ($pl, $kicker) = @_;
		1559
		1560	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1561	$pl->killer ("kicked");
		1562	$pl->ns->destroy;
1055	}	1563	}
1056		1564
1057	=item cf::player::list_logins	1565	=item cf::player::list_logins
1058		1566
1059	Returns am arrayref of all valid playernames in the system, can take a	1567	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1568	while and may block, so not sync_job-capable, ever.
1061		1569
1062	=cut	1570	=cut
1063		1571
1064	sub list_logins {	1572	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1573	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1574	or return [];
1067		1575
1068	my @logins;	1576	my @logins;
1069		1577
1070	for my $login (@$dirs) {	1578	for my $login (@$dirs) {
		1579	my $path = path $login;
		1580
		1581	# a .pst is a dead give-away for a valid player
		1582	# if no pst file found, open and chekc for blocked users
		1583	if (aio_stat "$path.pst") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1584	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1585	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1586	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1587	}
1074		1588
1075	utf8::decode $login;	1589	utf8::decode $login;
1076	push @logins, $login;	1590	push @logins, $login;
1077	}	1591	}
1078		1592
…		…
1105	}	1619	}
1106		1620
1107	\@paths	1621	\@paths
1108	}	1622	}
1109		1623
		1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1625
		1626	Expand crossfire pod fragments into protocol xml.
		1627
		1628	=cut
		1629
		1630	sub expand_cfpod {
		1631	my ($self, $pod) = @_;
		1632
		1633	my @nest = [qr<\G$>, undef, ""];
		1634	my $xml;
		1635
		1636	for ($pod) {
		1637	while () {
		1638	if (/\G( (?: [^BCEGHITUZ&>\n\ ]+ | [BCEGHITUZ](?!<) | \ (?!>) )+ )/xgcs) {
		1639	$xml .= $1;
		1640	} elsif (/\G\n(?=\S)/xgcs) {
		1641	$xml .= " ";
		1642	} elsif (/\G\n/xgcs) {
		1643	$xml .= "\n";
		1644	} elsif (/\G ([BCEGHITUZ]) (< (?: <+\ | (?!<) ) )/xgcs) {
		1645	my ($code, $delim) = ($1, scalar reverse $2);
		1646	$delim =~ y/</>/; # delim now contains the stop sequence
		1647	$delim = qr{\G\Q$delim};
		1648
		1649	my $cb;
		1650
		1651	if ($code eq "B") {
		1652	$cb = sub { "<b>$_[0]</b>" };
		1653	} elsif ($code eq "C") {
		1654	$cb = sub { "<tt>$_[0]</tt>" };
		1655	} elsif ($code eq "E") {
		1656	$cb = sub { warn "E<$_[0]>\n";"&$_[0];" };
		1657	} elsif ($code eq "G") {
		1658	$cb = sub {
		1659	my ($male, $female) = split /\|/, $_[0];
		1660	$self->gender ? $female : $male
		1661	};
		1662	} elsif ($code eq "H") {
		1663	$cb = sub {
		1664	(
		1665	"<fg name=\"lightblue\">[$_[0] (Use hintmode to suppress hints)]</fg>",
		1666	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1667	"",
		1668	)[$self->{hintmode}];
		1669	};
		1670	} elsif ($code eq "I") {
		1671	$cb = sub { "<i>$_[0]</i>" };
		1672	} elsif ($code eq "T") {
		1673	$cb = sub { "<big><b>$_[0]</b></big>" };
		1674	} elsif ($code eq "U") {
		1675	$cb = sub { "<u>$_[0]</u>" };
		1676	} elsif ($code eq "Z") {
		1677	$cb = sub { };
		1678	} else {
		1679	die "FATAL error in expand_cfpod";
		1680	}
		1681
		1682	push @nest, [$delim, $cb, $xml];
		1683	undef $xml;
		1684
		1685	} elsif ($_ =~ /$nest[-1][0]/gcs) {
		1686	my $nest = pop @nest;
		1687
		1688	if ($nest->[1]) {
		1689	$xml = $nest->[2] . $nest->[1]->($xml);
		1690	} else {
		1691	last;
		1692	}
		1693	} elsif (/\G</xgcs) {
		1694	$xml .= "&lt;";
		1695	} elsif (/\G&/xgcs) {
		1696	$xml .= "&amp;";
		1697	} elsif (/\G>/xgcs) {
		1698	$xml .= ">";
		1699	} else {
		1700	if ($pod =~ /\G(.+)/xgcs) {
		1701	warn "parse error (at $1)($nest[-1][0]) while expanding cfpod:\n$pod";
		1702	last;
		1703	} else {
		1704	warn "parse error (unclosed interior sequence at end of cfpod) while expanding cfpod:\n$pod";
		1705	return "<b>Sorry, the server encountered an internal error when formatting this message, please report this.</b>";
		1706	}
		1707	}
		1708	}
		1709	}
		1710
		1711	$xml
		1712	}
		1713
		1714	sub hintmode {
		1715	$_[0]{hintmode} = $_[1] if @_ > 1;
		1716	$_[0]{hintmode}
		1717	}
		1718
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1719	=item $player->ext_reply ($msgid, @msg)
1111		1720
1112	Sends an ext reply to the player.	1721	Sends an ext reply to the player.
1113		1722
1114	=cut	1723	=cut
1115		1724
1116	sub ext_reply($$$%) {	1725	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1726	my ($self, $id, @msg) = @_;
1118		1727
1119	$msg{msgid} = $id;	1728	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1729	}
1123		1730
1124	package cf;	1731	=item $player->ext_msg ($type, @msg)
		1732
		1733	Sends an ext event to the client.
		1734
		1735	=cut
		1736
		1737	sub ext_msg($$@) {
		1738	my ($self, $type, @msg) = @_;
		1739
		1740	$self->ns->ext_msg ($type, @msg);
		1741	}
		1742
		1743	=head3 cf::region
		1744
		1745	=over 4
		1746
		1747	=cut
		1748
		1749	package cf::region;
		1750
		1751	=item cf::region::find_by_path $path
		1752
		1753	Tries to decuce the likely region for a map knowing only its path.
		1754
		1755	=cut
		1756
		1757	sub find_by_path($) {
		1758	my ($path) = @_;
		1759
		1760	my ($match, $specificity);
		1761
		1762	for my $region (list) {
		1763	if ($region->{match} && $path =~ $region->{match}) {
		1764	($match, $specificity) = ($region, $region->specificity)
		1765	if $region->specificity > $specificity;
		1766	}
		1767	}
		1768
		1769	$match
		1770	}
1125		1771
1126	=back	1772	=back
1127
1128		1773
1129	=head3 cf::map	1774	=head3 cf::map
1130		1775
1131	=over 4	1776	=over 4
1132		1777
…		…
1144	our $MAX_RESET = 3600;	1789	our $MAX_RESET = 3600;
1145	our $DEFAULT_RESET = 3000;	1790	our $DEFAULT_RESET = 3000;
1146		1791
1147	sub generate_random_map {	1792	sub generate_random_map {
1148	my ($self, $rmp) = @_;	1793	my ($self, $rmp) = @_;
		1794
		1795	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1796
1149	# mit "rum" bekleckern, nicht	1797	# mit "rum" bekleckern, nicht
1150	$self->_create_random_map (	1798	$self->_create_random_map (
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1799	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1800	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1801	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1187	my ($self, $merge) = @_;	1835	my ($self, $merge) = @_;
1188		1836
1189	# we have to keep some variables in memory intact	1837	# we have to keep some variables in memory intact
1190	local $self->{path};	1838	local $self->{path};
1191	local $self->{load_path};	1839	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1840
1195	$self->SUPER::thawer_merge ($merge);	1841	$self->SUPER::thawer_merge ($merge);
1196	}	1842	}
1197		1843
1198	sub normalise {	1844	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1891	$self->init; # pass $1 etc.
1246	return $self;	1892	return $self;
1247	}	1893	}
1248	}	1894	}
1249		1895
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1896	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1897	()
1252	}	1898	}
1253		1899
1254	sub init {	1900	sub init {
1255	my ($self) = @_;	1901	my ($self) = @_;
…		…
1270		1916
1271	# the original (read-only) location	1917	# the original (read-only) location
1272	sub load_path {	1918	sub load_path {
1273	my ($self) = @_;	1919	my ($self) = @_;
1274		1920
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1921	"$MAPDIR/$self->{path}.map"
1276	}	1922	}
1277		1923
1278	# the temporary/swap location	1924	# the temporary/swap location
1279	sub save_path {	1925	sub save_path {
1280	my ($self) = @_;	1926	my ($self) = @_;
1281		1927
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1929	"$TMPDIR/$path.map"
1284	}	1930	}
1285		1931
1286	# the unique path, undef == no special unique path	1932	# the unique path, undef == no special unique path
1287	sub uniq_path {	1933	sub uniq_path {
1288	my ($self) = @_;	1934	my ($self) = @_;
1289		1935
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1936	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1937	"$UNIQUEDIR/$path"
1292	}	1938	}
1293		1939
1294	# and all this just because we cannot iterate over	1940	# and all this just because we cannot iterate over
1295	# all maps in C++...	1941	# all maps in C++...
1296	sub change_all_map_light {	1942	sub change_all_map_light {
…		…
1298		1944
1299	$_->change_map_light ($change)	1945	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1946	for grep $_->outdoor, values %cf::MAP;
1301	}	1947	}
1302		1948
		1949	sub decay_objects {
		1950	my ($self) = @_;
		1951
		1952	return if $self->{deny_reset};
		1953
		1954	$self->do_decay_objects;
		1955	}
		1956
1303	sub unlink_save {	1957	sub unlink_save {
1304	my ($self) = @_;	1958	my ($self) = @_;
1305		1959
1306	utf8::encode (my $save = $self->save_path);	1960	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1961	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1962	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	1963	}
1315		1964
1316	sub load_header_from($) {	1965	sub load_header_from($) {
1317	my ($self, $path) = @_;	1966	my ($self, $path) = @_;
1318		1967
1319	utf8::encode $path;	1968	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	1969	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	1970	or return;
		1971
		1972	$self->_load_header ($f)
		1973	or return;
		1974
		1975	local $MAP_LOADING{$self->{path}} = $self;
		1976	$f->resolve_delayed_derefs;
1325		1977
1326	$self->{load_path} = $path;	1978	$self->{load_path} = $path;
1327		1979
1328	1	1980	1
1329	}	1981	}
…		…
1368	$self->load_header_orig	2020	$self->load_header_orig
1369	or return;	2021	or return;
1370	$self->prepare_orig;	2022	$self->prepare_orig;
1371	}	2023	}
1372		2024
		2025	$self->{deny_reset} = 1
		2026	if $self->no_reset;
		2027
		2028	$self->default_region (cf::region::find_by_path $self->{path})
		2029	unless $self->default_region;
		2030
1373	1	2031	1
1374	}	2032	}
1375		2033
1376	sub find;	2034	sub find;
1377	sub find {	2035	sub find {
1378	my ($path, $origin) = @_;	2036	my ($path, $origin) = @_;
1379		2037
1380	$path = normalise $path, $origin && $origin->path;	2038	$path = normalise $path, $origin && $origin->path;
1381		2039
		2040	cf::lock_wait "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	2041	cf::lock_wait "map_find:$path";
1383		2042
1384	$cf::MAP{$path} || do {	2043	$cf::MAP{$path} || do {
		2044	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1385	my $guard = cf::lock_acquire "map_find:$path";	2045	my $guard2 = cf::lock_acquire "map_find:$path";
		2046
1386	my $map = new_from_path cf::map $path	2047	my $map = new_from_path cf::map $path
1387	or return;	2048	or return;
1388		2049
1389	$map->{last_save} = $cf::RUNTIME;	2050	$map->{last_save} = $cf::RUNTIME;
1390		2051
1391	$map->load_header	2052	$map->load_header
1392	or return;	2053	or return;
1393		2054
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2055	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	2056	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	2057	#$cf::WAIT_FOR_TICK->wait;
		2058	undef $guard2;
		2059	undef $guard1;
1397	$map->reset;	2060	$map->reset;
1398	undef $guard;
1399	return find $path;	2061	return find $path;
1400	}	2062	}
1401		2063
1402	$cf::MAP{$path} = $map	2064	$cf::MAP{$path} = $map
1403	}	2065	}
…		…
1410	my ($self) = @_;	2072	my ($self) = @_;
1411		2073
1412	local $self->{deny_reset} = 1; # loading can take a long time	2074	local $self->{deny_reset} = 1; # loading can take a long time
1413		2075
1414	my $path = $self->{path};	2076	my $path = $self->{path};
		2077
		2078	{
1415	my $guard = cf::lock_acquire "map_load:$path";	2079	my $guard = cf::lock_acquire "map_data:$path";
1416		2080
		2081	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	2082	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		2083
1419	$self->in_memory (cf::MAP_LOADING);	2084	$self->in_memory (cf::MAP_LOADING);
1420		2085
1421	$self->alloc;	2086	$self->alloc;
1422		2087
1423	$self->pre_load;	2088	$self->pre_load;
		2089	cf::cede_to_tick;
1424		2090
1425	$self->_load_objects ($self->{load_path}, 1)	2091	my $f = new_from_file cf::object::thawer $self->{load_path};
		2092	$f->skip_block;
		2093	$self->_load_objects ($f)
1426	or return;	2094	or return;
1427		2095
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2096	$self->post_load_original
1429	if delete $self->{load_original};	2097	if delete $self->{load_original};
1430		2098
1431	if (my $uniq = $self->uniq_path) {	2099	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2100	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2101	unless (aio_stat $uniq) {
		2102	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2103	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2104	$self->_load_objects ($f);
		2105	$f->resolve_delayed_derefs;
		2106	}
1436	}	2107	}
1437	}	2108	}
1438		2109
1439	Coro::cede;	2110	$f->resolve_delayed_derefs;
1440		2111
		2112	cf::cede_to_tick;
1441	# now do the right thing for maps	2113	# now do the right thing for maps
1442	$self->link_multipart_objects;	2114	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;
1449	$self->set_darkness_map;
1450	$self->difficulty ($self->estimate_difficulty)	2115	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2116	unless $self->difficulty;
1452	Coro::cede;	2117	cf::cede_to_tick;
		2118
		2119	unless ($self->{deny_activate}) {
		2120	$self->decay_objects;
		2121	$self->fix_auto_apply;
		2122	$self->update_buttons;
		2123	cf::cede_to_tick;
		2124	$self->set_darkness_map;
		2125	cf::cede_to_tick;
1453	$self->activate;	2126	$self->activate;
		2127	}
		2128
		2129	$self->{last_save} = $cf::RUNTIME;
		2130	$self->last_access ($cf::RUNTIME);
		2131
		2132	$self->in_memory (cf::MAP_ACTIVE);
1454	}	2133	}
1455		2134
1456	$self->post_load;	2135	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	2136	}
1460		2137
1461	sub customise_for {	2138	sub customise_for {
1462	my ($self, $ob) = @_;	2139	my ($self, $ob) = @_;
1463		2140
1464	return find "~" . $ob->name . "/" . $self->{path}	2141	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2142	if $self->per_player;
1466		2143
		2144	# return find "?party/" . $ob->name . "/" . $self->{path}
		2145	# if $self->per_party;
		2146
1467	$self	2147	$self
1468	}	2148	}
1469		2149
1470	# find and load all maps in the 3x3 area around a map	2150	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	2151	sub load_neighbours {
1472	my ($map) = @_;	2152	my ($map) = @_;
1473		2153
1474	my @diag; # diagonal neighbours	2154	my @neigh; # diagonal neighbours
1475		2155
1476	for (0 .. 3) {	2156	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	2157	my $neigh = $map->tile_path ($_)
1478	or next;	2158	or next;
1479	$neigh = find $neigh, $map	2159	$neigh = find $neigh, $map
1480	or next;	2160	or next;
1481	$neigh->load;	2161	$neigh->load;
1482		2162
		2163	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2164	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2165	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2166	}
1486		2167
1487	for (@diag) {	2168	for (grep defined $_->[0], @neigh) {
		2169	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2170	my $neigh = find $path, $origin
1489	or next;	2171	or next;
1490	$neigh->load;	2172	$neigh->load;
1491	}	2173	}
1492	}	2174	}
1493		2175
…		…
1498	}	2180	}
1499		2181
1500	sub do_load_sync {	2182	sub do_load_sync {
1501	my ($map) = @_;	2183	my ($map) = @_;
1502		2184
		2185	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2186	if $Coro::current == $Coro::main;
		2187
1503	cf::sync_job { $map->load };	2188	cf::sync_job { $map->load };
1504	}	2189	}
1505		2190
1506	our %MAP_PREFETCH;	2191	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2192	our $MAP_PREFETCHER = undef;
1508		2193
1509	sub find_async {	2194	sub find_async {
1510	my ($path, $origin) = @_;	2195	my ($path, $origin, $load) = @_;
1511		2196
1512	$path = normalise $path, $origin && $origin->{path};	2197	$path = normalise $path, $origin && $origin->{path};
1513		2198
1514	if (my $map = $cf::MAP{$path}) {	2199	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2200	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1516	}	2201	}
1517		2202
1518	undef $MAP_PREFETCH{$path};	2203	$MAP_PREFETCH{$path} |= $load;
		2204
1519	$MAP_PREFETCHER ||= cf::async {	2205	$MAP_PREFETCHER ||= cf::async {
		2206	$Coro::current->{desc} = "map prefetcher";
		2207
1520	while (%MAP_PREFETCH) {	2208	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2209	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2210	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2211	$map->load if $v;
		2212	}
1525		2213
1526	delete $MAP_PREFETCH{$path};	2214	delete $MAP_PREFETCH{$k};
1527	}	2215	}
1528	}	2216	}
1529	undef $MAP_PREFETCHER;	2217	undef $MAP_PREFETCHER;
1530	};	2218	};
1531	$MAP_PREFETCHER->prio (6);	2219	$MAP_PREFETCHER->prio (6);
…		…
1534	}	2222	}
1535		2223
1536	sub save {	2224	sub save {
1537	my ($self) = @_;	2225	my ($self) = @_;
1538		2226
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;	2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
1540		2228
1541	$self->{last_save} = $cf::RUNTIME;	2229	$self->{last_save} = $cf::RUNTIME;
1542		2230
1543	return unless $self->dirty;	2231	return unless $self->dirty;
1544		2232
…		…
1550	return if $self->{deny_save};	2238	return if $self->{deny_save};
1551		2239
1552	local $self->{last_access} = $self->last_access;#d#	2240	local $self->{last_access} = $self->last_access;#d#
1553		2241
1554	cf::async {	2242	cf::async {
		2243	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2244	$_->contr->save for $self->players;
1556	};	2245	};
		2246
		2247	cf::get_slot 0.02;
1557		2248
1558	if ($uniq) {	2249	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2250	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2251	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1561	} else {	2252	} else {
…		…
1567	my ($self) = @_;	2258	my ($self) = @_;
1568		2259
1569	# save first because save cedes	2260	# save first because save cedes
1570	$self->save;	2261	$self->save;
1571		2262
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2264
1574	return if $self->players;	2265	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;	2266	return if $self->in_memory != cf::MAP_ACTIVE;
1576	return if $self->{deny_save};	2267	return if $self->{deny_save};
1577		2268
		2269	$self->in_memory (cf::MAP_SWAPPED);
		2270
		2271	$self->deactivate;
		2272	$_->clear_links_to ($self) for values %cf::MAP;
1578	$self->clear;	2273	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2274	}
1581		2275
1582	sub reset_at {	2276	sub reset_at {
1583	my ($self) = @_;	2277	my ($self) = @_;
1584		2278
1585	# TODO: safety, remove and allow resettable per-player maps	2279	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2280	return 1e99 if $self->{deny_reset};
1588		2281
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2282	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2283	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2284
…		…
1602	my ($self) = @_;	2295	my ($self) = @_;
1603		2296
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2297	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2298
1606	return if $self->players;	2299	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2300
1609	warn "resetting map ", $self->path;#d#	2301	warn "resetting map ", $self->path;
		2302
		2303	$self->in_memory (cf::MAP_SWAPPED);
		2304
		2305	# need to save uniques path
		2306	unless ($self->{deny_save}) {
		2307	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2308
		2309	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2310	if $uniq;
		2311	}
1610		2312
1611	delete $cf::MAP{$self->path};	2313	delete $cf::MAP{$self->path};
1612		2314
1613	$self->in_memory (cf::MAP_SWAPPED);	2315	$self->deactivate;
		2316	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2317	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2318
1618	$self->unlink_save;	2319	$self->unlink_save;
1619	$self->destroy;	2320	$self->destroy;
1620	}	2321	}
1621		2322
1622	my $nuke_counter = "aaaa";	2323	my $nuke_counter = "aaaa";
1623		2324
1624	sub nuke {	2325	sub nuke {
1625	my ($self) = @_;	2326	my ($self) = @_;
1626		2327
		2328	{
		2329	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2330
1627	delete $cf::MAP{$self->path};	2331	delete $cf::MAP{$self->path};
1628		2332
1629	$self->unlink_save;	2333	$self->unlink_save;
1630		2334
1631	bless $self, "cf::map";	2335	bless $self, "cf::map";
1632	delete $self->{deny_reset};	2336	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2337	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2338	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2339	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2340
1637	$cf::MAP{$self->path} = $self;	2341	$cf::MAP{$self->path} = $self;
		2342	}
1638		2343
1639	$self->reset; # polite request, might not happen	2344	$self->reset; # polite request, might not happen
		2345	}
		2346
		2347	=item $maps = cf::map::tmp_maps
		2348
		2349	Returns an arrayref with all map paths of currently instantiated and saved
		2350	maps. May block.
		2351
		2352	=cut
		2353
		2354	sub tmp_maps() {
		2355	[
		2356	map {
		2357	utf8::decode $_;
		2358	/\.map$/
		2359	? normalise $_
		2360	: ()
		2361	} @{ aio_readdir $TMPDIR or [] }
		2362	]
		2363	}
		2364
		2365	=item $maps = cf::map::random_maps
		2366
		2367	Returns an arrayref with all map paths of currently instantiated and saved
		2368	random maps. May block.
		2369
		2370	=cut
		2371
		2372	sub random_maps() {
		2373	[
		2374	map {
		2375	utf8::decode $_;
		2376	/\.map$/
		2377	? normalise "?random/$_"
		2378	: ()
		2379	} @{ aio_readdir $RANDOMDIR or [] }
		2380	]
1640	}	2381	}
1641		2382
1642	=item cf::map::unique_maps	2383	=item cf::map::unique_maps
1643		2384
1644	Returns an arrayref of paths of all shared maps that have	2385	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2386	instantiated unique items. May block.
1646		2387
1647	=cut	2388	=cut
1648		2389
1649	sub unique_maps() {	2390	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2391	[
1651	or return;	2392	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2393	utf8::decode $_;
1657	next if /\.pst$/;	2394	s/\.map$//; # TODO future compatibility hack
1658	next unless /^$PATH_SEP/o;	2395	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1659		2396	? ()
1660	push @paths, cf::map::normalise $_;	2397	: normalise $_
		2398	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2399	]
1662
1663	\@paths
1664	}	2400	}
1665
1666	package cf;
1667		2401
1668	=back	2402	=back
1669		2403
1670	=head3 cf::object	2404	=head3 cf::object
1671		2405
…		…
1675		2409
1676	=over 4	2410	=over 4
1677		2411
1678	=item $ob->inv_recursive	2412	=item $ob->inv_recursive
1679		2413
1680	Returns the inventory of the object _and_ their inventories, recursively.	2414	Returns the inventory of the object I<and> their inventories, recursively,
		2415	but I<not> the object itself.
1681		2416
1682	=cut	2417	=cut
1683		2418
1684	sub inv_recursive_;	2419	sub inv_recursive_;
1685	sub inv_recursive_ {	2420	sub inv_recursive_ {
…		…
1688		2423
1689	sub inv_recursive {	2424	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2425	inv_recursive_ inv $_[0]
1691	}	2426	}
1692		2427
		2428	=item $ref = $ob->ref
		2429
		2430	Creates and returns a persistent reference to an object that can be stored as a string.
		2431
		2432	=item $ob = cf::object::deref ($refstring)
		2433
		2434	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2435	even if the object actually exists. May block.
		2436
		2437	=cut
		2438
		2439	sub deref {
		2440	my ($ref) = @_;
		2441
		2442	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2443	my ($uuid, $name) = ($1, $2);
		2444	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2445	or return;
		2446	$pl->ob->uuid eq $uuid
		2447	or return;
		2448
		2449	$pl->ob
		2450	} else {
		2451	warn "$ref: cannot resolve object reference\n";
		2452	undef
		2453	}
		2454	}
		2455
1693	package cf;	2456	package cf;
1694		2457
1695	=back	2458	=back
1696		2459
1697	=head3 cf::object::player	2460	=head3 cf::object::player
…		…
1703	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2466	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1704	can be C<undef>. Does the right thing when the player is currently in a	2467	can be C<undef>. Does the right thing when the player is currently in a
1705	dialogue with the given NPC character.	2468	dialogue with the given NPC character.
1706		2469
1707	=cut	2470	=cut
		2471
		2472	our $SAY_CHANNEL = {
		2473	id => "say",
		2474	title => "Map",
		2475	reply => "say ",
		2476	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2477	};
		2478
		2479	our $CHAT_CHANNEL = {
		2480	id => "chat",
		2481	title => "Chat",
		2482	reply => "chat ",
		2483	tooltip => "Player chat and shouts, global to the server.",
		2484	};
1708		2485
1709	# rough implementation of a future "reply" method that works	2486	# rough implementation of a future "reply" method that works
1710	# with dialog boxes.	2487	# with dialog boxes.
1711	#TODO: the first argument must go, split into a $npc->reply_to ( method	2488	#TODO: the first argument must go, split into a $npc->reply_to ( method
1712	sub cf::object::player::reply($$$;$) {	2489	sub cf::object::player::reply($$$;$) {
…		…
1714		2491
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2492	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2493
1717	if ($self->{record_replies}) {	2494	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2495	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2496
1719	} else {	2497	} else {
		2498	my $pl = $self->contr;
		2499
		2500	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2501	my $dialog = $pl->{npc_dialog};
		2502	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2503
		2504	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2505	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2506	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2507	}
1722	}	2508	}
		2509	}
		2510
		2511	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2512
		2513	=cut
		2514
		2515	sub cf::object::send_msg {
		2516	my $pl = shift->contr
		2517	or return;
		2518	$pl->send_msg (@_);
1723	}	2519	}
1724		2520
1725	=item $player_object->may ("access")	2521	=item $player_object->may ("access")
1726		2522
1727	Returns wether the given player is authorized to access resource "access"	2523	Returns wether the given player is authorized to access resource "access"
…		…
1774	$self->deactivate_recursive;	2570	$self->deactivate_recursive;
1775		2571
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2572	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2573
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2574	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2575	if $self->map && $self->map->{path} ne "{link}";
1780		2576
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2577	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2578	}
1783		2579
1784	sub cf::object::player::leave_link {	2580	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2581	my ($self, $map, $x, $y) = @_;
		2582
		2583	return unless $self->contr->active;
1786		2584
1787	my $link_pos = delete $self->{_link_pos};	2585	my $link_pos = delete $self->{_link_pos};
1788		2586
1789	unless ($map) {	2587	unless ($map) {
1790	# restore original map position	2588	# restore original map position
…		…
1804	# use -1 or undef as default coordinates, not 0, 0	2602	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2603	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2604	if $x <=0 && $y <= 0;
1807		2605
1808	$map->load;	2606	$map->load;
1809	$map->load_diag;	2607	$map->load_neighbours;
1810		2608
1811	return unless $self->contr->active;	2609	return unless $self->contr->active;
1812	$self->activate_recursive;	2610	$self->activate_recursive;
		2611
		2612	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2613	$self->enter_map ($map, $x, $y);
1814	}	2614	}
1815		2615
1816	cf::player->attach (	2616	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2617
1820	# abort map switching before logout	2618	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2619	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2620	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2621	the new (success) or old (failed) map position. In either case, $done will
1824	};	2622	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2623
1830	# try to abort aborted map switching on player login :)	2624	Note that $check will be called with a potentially non-loaded map, so if
1831	# should happen only on crashes	2625	it needs a loaded map it has to call C<< ->load >>.
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847		2626
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2627	=cut
		2628
		2629	our $GOTOGEN;
1851		2630
1852	sub cf::object::player::goto {	2631	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2632	my ($self, $path, $x, $y, $check, $done) = @_;
		2633
		2634	# do generation counting so two concurrent goto's will be executed in-order
		2635	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2636
1855	$self->enter_link;	2637	$self->enter_link;
1856		2638
1857	(async {	2639	(async {
		2640	$Coro::current->{desc} = "player::goto $path $x $y";
		2641
		2642	# *tag paths override both path and x|y
		2643	if ($path =~ /^\*(.*)$/) {
		2644	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2645	my $ob = $obs[rand @obs];
		2646
		2647	# see if we actually can go there
		2648	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2649	$ob = $obs[rand @obs];
		2650	} else {
		2651	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2652	}
		2653	# else put us there anyways for now #d#
		2654
		2655	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2656	} else {
		2657	($path, $x, $y) = (undef, undef, undef);
		2658	}
		2659	}
		2660
1858	my $map = eval {	2661	my $map = eval {
1859	my $map = cf::map::find $path;	2662	my $map = defined $path ? cf::map::find $path : undef;
		2663
		2664	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2665	$map = $map->customise_for ($self);
		2666	$map = $check->($map) if $check && $map;
		2667	} else {
		2668	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2669	}
		2670
1861	$map	2671	$map
		2672	};
		2673
		2674	if ($@) {
		2675	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2676	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2677	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2678
		2679	if ($gen == $self->{_goto_generation}) {
		2680	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2681	$self->leave_link ($map, $x, $y);
		2682	}
		2683
		2684	$done->() if $done;
1866	})->prio (1);	2685	})->prio (1);
1867	}	2686	}
1868		2687
1869	=item $player_object->enter_exit ($exit_object)	2688	=item $player_object->enter_exit ($exit_object)
1870		2689
…		…
1890	}	2709	}
1891		2710
1892	sub prepare_random_map {	2711	sub prepare_random_map {
1893	my ($exit) = @_;	2712	my ($exit) = @_;
1894		2713
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2714	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2715	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2716	# that depends on the exit object
1900		2717
1901	my $rmp = parse_random_map_params $exit->msg;	2718	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2720	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2721	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2722	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2723	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2724	$rmp->{origin_y} = $exit->y;
		2725
		2726	$exit->map->touch;
1908	}	2727	}
1909		2728
1910	$rmp->{random_seed} ||= $exit->random_seed;	2729	$rmp->{random_seed} ||= $exit->random_seed;
1911		2730
1912	my $data = cf::to_json $rmp;	2731	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2732	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2733	my $meta = "$RANDOMDIR/$md5.meta";
1915		2734
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2735	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2736	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2737	undef $fh;
1919	aio_rename "$meta~", $meta;	2738	aio_rename "$meta~", $meta;
1920		2739
		2740	my $slaying = "?random/$md5";
		2741
		2742	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2743	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2744	$exit->msg (undef);
		2745	}
1923	}	2746	}
1924	}	2747	}
1925		2748
1926	sub cf::object::player::enter_exit {	2749	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2750	my ($self, $exit) = @_;
1928		2751
1929	return unless $self->type == cf::PLAYER;	2752	return unless $self->type == cf::PLAYER;
1930		2753
1931	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
1933	cf::sync_job { prepare_random_map $exit };
1934	}
1935
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;
1939
1940	$self->enter_link;	2754	$self->enter_link;
1941		2755
1942	(async {	2756	(async {
1943	$self->deactivate_recursive; # just to be sure	2757	$Coro::current->{desc} = "enter_exit";
		2758
1944	unless (eval {	2759	unless (eval {
		2760	$self->deactivate_recursive; # just to be sure
		2761
		2762	# random map handling
		2763	{
		2764	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2765
		2766	prepare_random_map $exit
		2767	if $exit->slaying eq "/!";
		2768	}
		2769
		2770	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2771	my $x = $exit->stats->hp;
		2772	my $y = $exit->stats->sp;
		2773
1945	$self->goto ($slaying, $hp, $sp);	2774	$self->goto ($map, $x, $y);
1946		2775
		2776	# if exit is damned, update players death & WoR home-position
		2777	$self->contr->savebed ($map, $x, $y)
		2778	if $exit->flag (cf::FLAG_DAMNED);
		2779
1947	1;	2780	1
1948	}) {	2781	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2782	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2783	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2784	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2785	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2786
1954	warn "ERROR in enter_exit: $@";	2787	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2788	$self->leave_link;
1956	}	2789	}
1957	})->prio (1);	2790	})->prio (1);
…		…
1970		2803
1971	sub cf::client::send_drawinfo {	2804	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2805	my ($self, $text, $flags) = @_;
1973		2806
1974	utf8::encode $text;	2807	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2808	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2809	}
1977		2810
		2811	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2812
		2813	Send a drawinfo or msg packet to the client, formatting the msg for the
		2814	client if neccessary. C<$type> should be a string identifying the type of
		2815	the message, with C<log> being the default. If C<$color> is negative, suppress
		2816	the message unless the client supports the msg packet.
		2817
		2818	=cut
		2819
		2820	# non-persistent channels (usually the info channel)
		2821	our %CHANNEL = (
		2822	"c/identify" => {
		2823	id => "infobox",
		2824	title => "Identify",
		2825	reply => undef,
		2826	tooltip => "Items recently identified",
		2827	},
		2828	"c/examine" => {
		2829	id => "infobox",
		2830	title => "Examine",
		2831	reply => undef,
		2832	tooltip => "Signs and other items you examined",
		2833	},
		2834	"c/book" => {
		2835	id => "infobox",
		2836	title => "Book",
		2837	reply => undef,
		2838	tooltip => "The contents of a note or book",
		2839	},
		2840	"c/lookat" => {
		2841	id => "infobox",
		2842	title => "Look",
		2843	reply => undef,
		2844	tooltip => "What you saw there",
		2845	},
		2846	"c/who" => {
		2847	id => "infobox",
		2848	title => "Players",
		2849	reply => undef,
		2850	tooltip => "Shows players who are currently online",
		2851	},
		2852	"c/body" => {
		2853	id => "infobox",
		2854	title => "Body Parts",
		2855	reply => undef,
		2856	tooltip => "Shows which body parts you posess and are available",
		2857	},
		2858	"c/uptime" => {
		2859	id => "infobox",
		2860	title => "Uptime",
		2861	reply => undef,
		2862	tooltip => "How long the server has been running since last restart",
		2863	},
		2864	"c/mapinfo" => {
		2865	id => "infobox",
		2866	title => "Map Info",
		2867	reply => undef,
		2868	tooltip => "Information related to the maps",
		2869	},
		2870	"c/party" => {
		2871	id => "party",
		2872	title => "Party",
		2873	reply => "gsay ",
		2874	tooltip => "Messages and chat related to your party",
		2875	},
		2876	);
		2877
		2878	sub cf::client::send_msg {
		2879	my ($self, $channel, $msg, $color, @extra) = @_;
		2880
		2881	$msg = $self->pl->expand_cfpod ($msg);
		2882
		2883	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2884
		2885	# check predefined channels, for the benefit of C
		2886	if ($CHANNEL{$channel}) {
		2887	$channel = $CHANNEL{$channel};
		2888
		2889	$self->ext_msg (channel_info => $channel)
		2890	if $self->can_msg;
		2891
		2892	$channel = $channel->{id};
		2893
		2894	} elsif (ref $channel) {
		2895	# send meta info to client, if not yet sent
		2896	unless (exists $self->{channel}{$channel->{id}}) {
		2897	$self->{channel}{$channel->{id}} = $channel;
		2898	$self->ext_msg (channel_info => $channel)
		2899	if $self->can_msg;
		2900	}
		2901
		2902	$channel = $channel->{id};
		2903	}
		2904
		2905	return unless @extra || length $msg;
		2906
		2907	if ($self->can_msg) {
		2908	# default colour, mask it out
		2909	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2910	if $color & cf::NDI_DEF;
		2911
		2912	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2913	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2914	} else {
		2915	if ($color >= 0) {
		2916	# replace some tags by gcfclient-compatible ones
		2917	for ($msg) {
		2918	1 while
		2919	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2920	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2921	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2922	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2923	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2924	}
		2925
		2926	$color &= cf::NDI_COLOR_MASK;
		2927
		2928	utf8::encode $msg;
		2929
		2930	if (0 && $msg =~ /\[/) {
		2931	# COMMAND/INFO
		2932	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2933	} else {
		2934	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2935	$self->send_packet ("drawinfo $color $msg")
		2936	}
		2937	}
		2938	}
		2939	}
		2940
		2941	=item $client->ext_msg ($type, @msg)
		2942
		2943	Sends an ext event to the client.
		2944
		2945	=cut
		2946
		2947	sub cf::client::ext_msg($$@) {
		2948	my ($self, $type, @msg) = @_;
		2949
		2950	if ($self->extcmd == 2) {
		2951	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2952	} elsif ($self->extcmd == 1) { # TODO: remove
		2953	push @msg, msgtype => "event_$type";
		2954	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2955	}
		2956	}
		2957
		2958	=item $client->ext_reply ($msgid, @msg)
		2959
		2960	Sends an ext reply to the client.
		2961
		2962	=cut
		2963
		2964	sub cf::client::ext_reply($$@) {
		2965	my ($self, $id, @msg) = @_;
		2966
		2967	if ($self->extcmd == 2) {
		2968	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2969	} elsif ($self->extcmd == 1) {
		2970	#TODO: version 1, remove
		2971	unshift @msg, msgtype => "reply", msgid => $id;
		2972	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2973	}
		2974	}
1978		2975
1979	=item $success = $client->query ($flags, "text", \&cb)	2976	=item $success = $client->query ($flags, "text", \&cb)
1980		2977
1981	Queues a query to the client, calling the given callback with	2978	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2979	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2980	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2981
1985	Queries can fail, so check the return code. Or don't, as queries will become	2982	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2983	become reliable at some point in the future.
1987		2984
1988	=cut	2985	=cut
1989		2986
1990	sub cf::client::query {	2987	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2988	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2996	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2997	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2998
2002	$self->send_packet ($self->{query_queue}[0][0])	2999	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	3000	if @{ $self->{query_queue} } == 1;
		3001
		3002	1
2004	}	3003	}
2005		3004
2006	cf::client->attach (	3005	cf::client->attach (
		3006	on_connect => sub {
		3007	my ($ns) = @_;
		3008
		3009	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3010	},
2007	on_reply => sub {	3011	on_reply => sub {
2008	my ($ns, $msg) = @_;	3012	my ($ns, $msg) = @_;
2009		3013
2010	# this weird shuffling is so that direct followup queries	3014	# this weird shuffling is so that direct followup queries
2011	# get handled first	3015	# get handled first
…		…
2023	} else {	3027	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3028	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	3029	}
2026	}	3030	}
2027	},	3031	},
		3032	on_exticmd => sub {
		3033	my ($ns, $buf) = @_;
		3034
		3035	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3036
		3037	if (ref $msg) {
		3038	my ($type, $reply, @payload) =
		3039	"ARRAY" eq ref $msg
		3040	? @$msg
		3041	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3042
		3043	my @reply;
		3044
		3045	if (my $cb = $EXTICMD{$type}) {
		3046	@reply = $cb->($ns, @payload);
		3047	}
		3048
		3049	$ns->ext_reply ($reply, @reply)
		3050	if $reply;
		3051
		3052	} else {
		3053	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3054	}
		3055
		3056	cf::override;
		3057	},
2028	);	3058	);
2029		3059
2030	=item $client->async (\&cb)	3060	=item $client->async (\&cb)
2031		3061
2032	Create a new coroutine, running the specified callback. The coroutine will	3062	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	3103	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3104	our $safe_hole = new Safe::Hole;
2075		3105
2076	$SIG{FPE} = 'IGNORE';	3106	$SIG{FPE} = 'IGNORE';
2077		3107
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3108	$safe->permit_only (Opcode::opset qw(
		3109	:base_core :base_mem :base_orig :base_math
		3110	grepstart grepwhile mapstart mapwhile
		3111	sort time
		3112	));
2079		3113
2080	# here we export the classes and methods available to script code	3114	# here we export the classes and methods available to script code
2081		3115
2082	=pod	3116	=pod
2083		3117
2084	The following fucntions and emthods are available within a safe environment:	3118	The following functions and methods are available within a safe environment:
2085		3119
2086	cf::object contr pay_amount pay_player map	3120	cf::object
		3121	contr pay_amount pay_player map x y force_find force_add destroy
		3122	insert remove name archname title slaying race decrease split
		3123
2087	cf::object::player player	3124	cf::object::player
2088	cf::player peaceful	3125	player
2089	cf::map trigger	3126
		3127	cf::player
		3128	peaceful
		3129
		3130	cf::map
		3131	trigger
2090		3132
2091	=cut	3133	=cut
2092		3134
2093	for (	3135	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3136	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3137	insert remove inv nrof name archname title slaying race
		3138	decrease split destroy change_exp)],
2095	["cf::object::player" => qw(player)],	3139	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3140	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	3141	["cf::map" => qw(trigger)],
2098	) {	3142	) {
2099	no strict 'refs';	3143	no strict 'refs';
…		…
2170	=back	3214	=back
2171		3215
2172	=cut	3216	=cut
2173		3217
2174	#############################################################################	3218	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281
2282	#############################################################################
2283	# the server's init and main functions	3219	# the server's init and main functions
2284		3220
		3221	sub load_facedata($) {
		3222	my ($path) = @_;
		3223
		3224	# HACK to clear player env face cache, we need some signal framework
		3225	# for this (global event?)
		3226	%ext::player_env::MUSIC_FACE_CACHE = ();
		3227
		3228	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3229
		3230	warn "loading facedata from $path\n";
		3231
		3232	my $facedata;
		3233	0 < aio_load $path, $facedata
		3234	or die "$path: $!";
		3235
		3236	$facedata = Coro::Storable::thaw $facedata;
		3237
		3238	$facedata->{version} == 2
		3239	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3240
		3241	# patch in the exptable
		3242	$facedata->{resource}{"res/exp_table"} = {
		3243	type => FT_RSRC,
		3244	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3245	};
		3246	cf::cede_to_tick;
		3247
		3248	{
		3249	my $faces = $facedata->{faceinfo};
		3250
		3251	while (my ($face, $info) = each %$faces) {
		3252	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3253
		3254	cf::face::set_visibility $idx, $info->{visibility};
		3255	cf::face::set_magicmap $idx, $info->{magicmap};
		3256	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3257	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3258
		3259	cf::cede_to_tick;
		3260	}
		3261
		3262	while (my ($face, $info) = each %$faces) {
		3263	next unless $info->{smooth};
		3264
		3265	my $idx = cf::face::find $face
		3266	or next;
		3267
		3268	if (my $smooth = cf::face::find $info->{smooth}) {
		3269	cf::face::set_smooth $idx, $smooth;
		3270	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3271	} else {
		3272	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3273	}
		3274
		3275	cf::cede_to_tick;
		3276	}
		3277	}
		3278
		3279	{
		3280	my $anims = $facedata->{animinfo};
		3281
		3282	while (my ($anim, $info) = each %$anims) {
		3283	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3284	cf::cede_to_tick;
		3285	}
		3286
		3287	cf::anim::invalidate_all; # d'oh
		3288	}
		3289
		3290	{
		3291	# TODO: for gcfclient pleasure, we should give resources
		3292	# that gcfclient doesn't grok a >10000 face index.
		3293	my $res = $facedata->{resource};
		3294
		3295	while (my ($name, $info) = each %$res) {
		3296	if (defined $info->{type}) {
		3297	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3298	my $data;
		3299
		3300	if ($info->{type} & 1) {
		3301	# prepend meta info
		3302
		3303	my $meta = $enc->encode ({
		3304	name => $name,
		3305	%{ $info->{meta} || {} },
		3306	});
		3307
		3308	$data = pack "(w/a*)*", $meta, $info->{data};
		3309	} else {
		3310	$data = $info->{data};
		3311	}
		3312
		3313	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3314	cf::face::set_type $idx, $info->{type};
		3315	} else {
		3316	$RESOURCE{$name} = $info;
		3317	}
		3318
		3319	cf::cede_to_tick;
		3320	}
		3321	}
		3322
		3323	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3324
		3325	1
		3326	}
		3327
		3328	cf::global->attach (on_resource_update => sub {
		3329	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3330	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3331
		3332	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3333	my $sound = $soundconf->{compat}[$_]
		3334	or next;
		3335
		3336	my $face = cf::face::find "sound/$sound->[1]";
		3337	cf::sound::set $sound->[0] => $face;
		3338	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3339	}
		3340
		3341	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3342	my $face = cf::face::find "sound/$v";
		3343	cf::sound::set $k => $face;
		3344	}
		3345	}
		3346	});
		3347
		3348	register_exticmd fx_want => sub {
		3349	my ($ns, $want) = @_;
		3350
		3351	while (my ($k, $v) = each %$want) {
		3352	$ns->fx_want ($k, $v);
		3353	}
		3354	};
		3355
2285	sub load_resources {	3356	sub load_resource_file($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3357	my $guard = lock_acquire "load_resource_file";
		3358
		3359	my $status = load_resource_file_ $_[0];
		3360	get_slot 0.1, 100;
		3361	cf::arch::commit_load;
		3362
		3363	$status
		3364	}
		3365
		3366	sub reload_regions {
		3367	# HACK to clear player env face cache, we need some signal framework
		3368	# for this (global event?)
		3369	%ext::player_env::MUSIC_FACE_CACHE = ();
		3370
		3371	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3372	or die "unable to load regions file\n";
2288	}
2289		3373
2290	sub cfg_load {	3374	for (cf::region::list) {
		3375	$_->{match} = qr/$_->{match}/
		3376	if exists $_->{match};
		3377	}
		3378	}
		3379
		3380	sub reload_facedata {
		3381	load_facedata "$DATADIR/facedata"
		3382	or die "unable to load facedata\n";
		3383	}
		3384
		3385	sub reload_archetypes {
		3386	load_resource_file "$DATADIR/archetypes"
		3387	or die "unable to load archetypes\n";
		3388	}
		3389
		3390	sub reload_treasures {
		3391	load_resource_file "$DATADIR/treasures"
		3392	or die "unable to load treasurelists\n";
		3393	}
		3394
		3395	sub reload_resources {
		3396	warn "reloading resource files...\n";
		3397
		3398	reload_facedata;
		3399	reload_archetypes;
		3400	reload_regions;
		3401	reload_treasures;
		3402
		3403	warn "finished reloading resource files\n";
		3404	}
		3405
		3406	sub init {
		3407	my $guard = freeze_mainloop;
		3408
		3409	evthread_start IO::AIO::poll_fileno;
		3410
		3411	reload_resources;
		3412	}
		3413
		3414	sub reload_config {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3415	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	3416	or return;
2293		3417
2294	local $/;	3418	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	3419	*CFG = YAML::Load <$fh>;
2296		3420
2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3421	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2298		3422
2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3423	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2300	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3424	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2306	};	3430	};
2307	warn $@ if $@;	3431	warn $@ if $@;
2308	}	3432	}
2309	}	3433	}
2310		3434
2311	sub init {
2312	load_resources;
2313	}
2314
2315	sub main {	3435	sub main {
2316	# we must not ever block the main coroutine	3436	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3437	local $Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3438	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3439	(async {
2320	Event::one_event;	3440	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3441	EV::loop EV::LOOP_ONESHOT;
2321	})->prio (Coro::PRIO_MAX);	3442	})->prio (Coro::PRIO_MAX);
2322	};	3443	};
2323		3444
2324	cfg_load;	3445	{
2325	db_load;	3446	my $guard = freeze_mainloop;
		3447	reload_config;
		3448	db_init;
2326	load_extensions;	3449	load_extensions;
2327		3450
2328	$TICK_WATCHER->start;	3451	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3452	}
		3453
2329	Event::loop;	3454	EV::loop;
2330	}	3455	}
2331		3456
2332	#############################################################################	3457	#############################################################################
2333	# initialisation and cleanup	3458	# initialisation and cleanup
2334		3459
2335	# install some emergency cleanup handlers	3460	# install some emergency cleanup handlers
2336	BEGIN {	3461	BEGIN {
		3462	our %SIGWATCHER = ();
2337	for my $signal (qw(INT HUP TERM)) {	3463	for my $signal (qw(INT HUP TERM)) {
2338	Event->signal (	3464	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2339	reentrant => 0,
2340	data => WF_AUTOCANCEL,
2341	signal => $signal,
2342	prio => 0,
2343	cb => sub {
2344	cf::cleanup "SIG$signal";	3465	cf::cleanup "SIG$signal";
2345	},
2346	);	3466	};
		3467	}
		3468	}
		3469
		3470	sub write_runtime_sync {
		3471	my $runtime = "$LOCALDIR/runtime";
		3472
		3473	# first touch the runtime file to show we are still running:
		3474	# the fsync below can take a very very long time.
		3475
		3476	IO::AIO::aio_utime $runtime, undef, undef;
		3477
		3478	my $guard = cf::lock_acquire "write_runtime";
		3479
		3480	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3481	or return;
		3482
		3483	my $value = $cf::RUNTIME + 90 + 10;
		3484	# 10 is the runtime save interval, for a monotonic clock
		3485	# 60 allows for the watchdog to kill the server.
		3486
		3487	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3488	and return;
		3489
		3490	# always fsync - this file is important
		3491	aio_fsync $fh
		3492	and return;
		3493
		3494	# touch it again to show we are up-to-date
		3495	aio_utime $fh, undef, undef;
		3496
		3497	close $fh
		3498	or return;
		3499
		3500	aio_rename "$runtime~", $runtime
		3501	and return;
		3502
		3503	warn "runtime file written.\n";
		3504
2347	}	3505	1
		3506	}
		3507
		3508	our $uuid_lock;
		3509	our $uuid_skip;
		3510
		3511	sub write_uuid_sync($) {
		3512	$uuid_skip ||= $_[0];
		3513
		3514	return if $uuid_lock;
		3515	local $uuid_lock = 1;
		3516
		3517	my $uuid = "$LOCALDIR/uuid";
		3518
		3519	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3520	or return;
		3521
		3522	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3523	$uuid_skip = 0;
		3524
		3525	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3526	and return;
		3527
		3528	# always fsync - this file is important
		3529	aio_fsync $fh
		3530	and return;
		3531
		3532	close $fh
		3533	or return;
		3534
		3535	aio_rename "$uuid~", $uuid
		3536	and return;
		3537
		3538	warn "uuid file written ($value).\n";
		3539
		3540	1
		3541
		3542	}
		3543
		3544	sub write_uuid($$) {
		3545	my ($skip, $sync) = @_;
		3546
		3547	$sync ? write_uuid_sync $skip
		3548	: async { write_uuid_sync $skip };
2348	}	3549	}
2349		3550
2350	sub emergency_save() {	3551	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3552	my $freeze_guard = cf::freeze_mainloop;
2352		3553
…		…
2358	# and maps saved/destroyed asynchronously.	3559	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3560	warn "begin emergency player save\n";
2360	for my $login (keys %cf::PLAYER) {	3561	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3562	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3563	$pl->valid or next;
		3564	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3565	$pl->save;
2364	}	3566	}
2365	warn "end emergency player save\n";	3567	warn "end emergency player save\n";
2366		3568
2367	warn "begin emergency map save\n";	3569	warn "begin emergency map save\n";
…		…
2369	my $map = $cf::MAP{$path} or next;	3571	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3572	$map->valid or next;
2371	$map->save;	3573	$map->save;
2372	}	3574	}
2373	warn "end emergency map save\n";	3575	warn "end emergency map save\n";
		3576
		3577	warn "begin emergency database checkpoint\n";
		3578	BDB::db_env_txn_checkpoint $DB_ENV;
		3579	warn "end emergency database checkpoint\n";
		3580
		3581	warn "begin write uuid\n";
		3582	write_uuid_sync 1;
		3583	warn "end write uuid\n";
2374	};	3584	};
2375		3585
2376	warn "leave emergency perl save\n";	3586	warn "leave emergency perl save\n";
2377	}	3587	}
2378		3588
		3589	sub post_cleanup {
		3590	my ($make_core) = @_;
		3591
		3592	warn Carp::longmess "post_cleanup backtrace"
		3593	if $make_core;
		3594	}
		3595
		3596	# a safer delete_package, copied from Symbol
		3597	sub clear_package($) {
		3598	my $pkg = shift;
		3599
		3600	# expand to full symbol table name if needed
		3601	unless ($pkg =~ /^main::.*::$/) {
		3602	$pkg = "main$pkg" if $pkg =~ /^::/;
		3603	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3604	$pkg .= '::' unless $pkg =~ /::$/;
		3605	}
		3606
		3607	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3608	my $stem_symtab = *{$stem}{HASH};
		3609
		3610	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3611	or return;
		3612
		3613	# clear all symbols
		3614	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3615	for my $name (keys %$leaf_symtab) {
		3616	_gv_clear *{"$pkg$name"};
		3617	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3618	}
		3619	warn "cleared package #$pkg\n";#d#
		3620	}
		3621
		3622	our $RELOAD; # how many times to reload
		3623
2379	sub reload() {	3624	sub do_reload_perl() {
2380	# can/must only be called in main	3625	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3626	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3627	warn "can only reload from main coroutine";
2383	return;	3628	return;
2384	}	3629	}
2385		3630
		3631	return if $RELOAD++;
		3632
		3633	while ($RELOAD) {
2386	warn "reloading...";	3634	warn "reloading...";
2387		3635
2388	warn "cancelling server ticker";	3636	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3637
		3638	cf::sync_job {
		3639	cf::write_runtime_sync; # external watchdog should not bark
2391	cf::emergency_save;	3640	cf::emergency_save;
		3641	cf::write_runtime_sync; # external watchdog should not bark
2392		3642
2393	eval {	3643	warn "syncing database to disk";
		3644	BDB::db_env_txn_checkpoint $DB_ENV;
		3645
2394	# if anything goes wrong in here, we should simply crash as we already saved	3646	# if anything goes wrong in here, we should simply crash as we already saved
2395		3647
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398
2399	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}
2403
2404	warn "flushing outstanding aio requests";	3648	warn "flushing outstanding aio requests";
2405	for (;;) {	3649	while (IO::AIO::nreqs || BDB::nreqs) {
2406	IO::AIO::flush;	3650	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2407	Coro::cede;
2408	last unless IO::AIO::nreqs;
2409	warn "iterate...";
2410	}
2411
2412	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();
2415
2416	warn "removing commands";
2417	%COMMAND = ();
2418
2419	warn "removing ext commands";
2420	%EXTCMD = ();
2421
2422	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";
2425
2426	if (my $cb = $pkg->can ("unload")) {
2427	eval {
2428	$cb->($pkg);
2429	1
2430	} or warn "$pkg unloaded, but with errors: $@";
2431	}	3651	}
2432		3652
2433	warn "... nuking $pkg";	3653	warn "cancelling all extension coros";
2434	Symbol::delete_package $pkg;	3654	$_->cancel for values %EXT_CORO;
2435	}	3655	%EXT_CORO = ();
2436		3656
2437	warn "unloading all perl modules loaded from $LIBDIR";	3657	warn "removing commands";
2438	while (my ($k, $v) = each %INC) {	3658	%COMMAND = ();
2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2440		3659
		3660	warn "removing ext/exti commands";
		3661	%EXTCMD = ();
		3662	%EXTICMD = ();
		3663
		3664	warn "unloading/nuking all extensions";
		3665	for my $pkg (@EXTS) {
2441	warn "... unloading $k";	3666	warn "... unloading $pkg";
2442	delete $INC{$k};
2443		3667
2444	$k =~ s/\.pm$//;
2445	$k =~ s/\//::/g;
2446
2447	if (my $cb = $k->can ("unload_module")) {	3668	if (my $cb = $pkg->can ("unload")) {
		3669	eval {
2448	$cb->();	3670	$cb->($pkg);
		3671	1
		3672	} or warn "$pkg unloaded, but with errors: $@";
		3673	}
		3674
		3675	warn "... clearing $pkg";
		3676	clear_package $pkg;
2449	}	3677	}
2450		3678
2451	Symbol::delete_package $k;	3679	warn "unloading all perl modules loaded from $LIBDIR";
		3680	while (my ($k, $v) = each %INC) {
		3681	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3682
		3683	warn "... unloading $k";
		3684	delete $INC{$k};
		3685
		3686	$k =~ s/\.pm$//;
		3687	$k =~ s/\//::/g;
		3688
		3689	if (my $cb = $k->can ("unload_module")) {
		3690	$cb->();
		3691	}
		3692
		3693	clear_package $k;
2452	}	3694	}
2453		3695
2454	warn "getting rid of safe::, as good as possible";	3696	warn "getting rid of safe::, as good as possible";
2455	Symbol::delete_package "safe::$_"	3697	clear_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3698	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3699
2458	warn "unloading cf.pm \"a bit\"";	3700	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3701	delete $INC{"cf.pm"};
		3702	delete $INC{"cf/pod.pm"};
2460		3703
2461	# don't, removes xs symbols, too,	3704	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3705	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3706	#clear_package __PACKAGE__;
2464		3707
2465	warn "unload completed, starting to reload now";	3708	warn "unload completed, starting to reload now";
2466		3709
2467	warn "reloading cf.pm";	3710	warn "reloading cf.pm";
2468	require cf;	3711	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3712	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3713
2471	warn "loading config and database again";	3714	warn "loading config and database again";
2472	cf::cfg_load;	3715	cf::reload_config;
2473	cf::db_load;
2474		3716
2475	warn "loading extensions";	3717	warn "loading extensions";
2476	cf::load_extensions;	3718	cf::load_extensions;
2477		3719
2478	warn "reattaching attachments to objects/players";	3720	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3721	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3722	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3723	reattach $_ for values %MAP;
		3724	warn "reattaching attachments to players";
		3725	reattach $_ for values %PLAYER;
2482		3726
2483	warn "loading reloadable resources";	3727	warn "leaving sync_job";
2484	load_resources;
2485		3728
2486	warn "restarting server ticker";	3729	1
		3730	} or do {
		3731	warn $@;
		3732	cf::cleanup "error while reloading, exiting.";
		3733	};
2487		3734
2488	$TICK_WATCHER->start;	3735	warn "reloaded";
		3736	--$RELOAD;
		3737	}
		3738	};
		3739
		3740	our $RELOAD_WATCHER; # used only during reload
		3741
		3742	sub reload_perl() {
		3743	# doing reload synchronously and two reloads happen back-to-back,
		3744	# coro crashes during coro_state_free->destroy here.
		3745
		3746	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3747	do_reload_perl;
		3748	undef $RELOAD_WATCHER;
2489	};	3749	};
2490		3750	}
2491	if ($@) {
2492	warn $@;
2493	warn "error while reloading, exiting.";
2494	exit 1;
2495	}
2496
2497	warn "reloaded";
2498	};
2499
2500	our $RELOAD_WATCHER; # used only during reload
2501		3751
2502	register_command "reload" => sub {	3752	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3753	my ($who, $arg) = @_;
2504		3754
2505	if ($who->flag (FLAG_WIZ)) {	3755	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3756	$who->message ("reloading server.");
2507		3757	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	3758	$Coro::current->{desc} = "perl_reload";
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;	3759	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	3760	};
2520	}	3761	}
2521	};	3762	};
2522		3763
2523	unshift @INC, $LIBDIR;	3764	unshift @INC, $LIBDIR;
2524		3765
2525	my $bug_warning = 0;	3766	my $bug_warning = 0;
2526		3767
2527	$TICK_WATCHER = Event->timer (	3768	our @WAIT_FOR_TICK;
2528	reentrant => 0,	3769	our @WAIT_FOR_TICK_BEGIN;
2529	parked => 1,	3770
2530	prio => 0,	3771	sub wait_for_tick {
2531	at => $NEXT_TICK || $TICK,	3772	return if tick_inhibit || $Coro::current == $Coro::main;
2532	data => WF_AUTOCANCEL,	3773
2533	cb => sub {	3774	my $signal = new Coro::Signal;
		3775	push @WAIT_FOR_TICK, $signal;
		3776	$signal->wait;
		3777	}
		3778
		3779	sub wait_for_tick_begin {
		3780	return if tick_inhibit || $Coro::current == $Coro::main;
		3781
		3782	my $signal = new Coro::Signal;
		3783	push @WAIT_FOR_TICK_BEGIN, $signal;
		3784	$signal->wait;
		3785	}
		3786
		3787	sub tick {
2534	if ($Coro::current != $Coro::main) {	3788	if ($Coro::current != $Coro::main) {
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3789	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3790	unless ++$bug_warning > 10;
2537	return;	3791	return;
2538	}	3792	}
2539		3793
2540	$NOW = Event::time;
2541
2542	cf::server_tick; # one server iteration	3794	cf::server_tick; # one server iteration
2543	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;
2545		3795
2546	$WAIT_FOR_TICK->broadcast;	3796	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3797	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3798	Coro::async_pool {
		3799	$Coro::current->{desc} = "runtime saver";
		3800	write_runtime_sync
		3801	or warn "ERROR: unable to write runtime file: $!";
		3802	};
		3803	}
2548		3804
2549	Event::sweep;	3805	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2550	Coro::cede_notself;	3806	$sig->send;
		3807	}
		3808	while (my $sig = shift @WAIT_FOR_TICK) {
		3809	$sig->send;
		3810	}
		3811
		3812	$LOAD = ($NOW - $TICK_START) / $TICK;
		3813	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3814
		3815	if (0) {
		3816	if ($NEXT_TICK) {
		3817	my $jitter = $TICK_START - $NEXT_TICK;
		3818	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3819	warn "jitter $JITTER\n";#d#
2551		3820	}
2552	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#
2554
2555	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2557
2558	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;
2560	},	3821	}
2561	);	3822	}
2562		3823
2563	{	3824	{
2564	BDB::max_poll_time $TICK * 0.1;	3825	# configure BDB
2565	$BDB_POLL_WATCHER = Event->io (	3826
2566	reentrant => 0,
2567	fd => BDB::poll_fileno,
2568	poll => 'r',
2569	prio => 0,
2570	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,
2572	);
2573	BDB::min_parallel 8;	3827	BDB::min_parallel 8;
2574		3828	BDB::max_poll_reqs $TICK * 0.1;
2575	BDB::set_sync_prepare {	3829	$AnyEvent::BDB::WATCHER->priority (1);
2576	my $status;
2577	my $current = $Coro::current;
2578	(
2579	sub {
2580	$status = $!;
2581	$current->ready; undef $current;
2582	},
2583	sub {
2584	Coro::schedule while defined $current;
2585	$! = $status;
2586	},
2587	)
2588	};
2589		3830
2590	unless ($DB_ENV) {	3831	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3832	$DB_ENV = BDB::db_env_create;
		3833	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3834	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3835	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3836	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3837	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		3838
2593	cf::sync_job {	3839	cf::sync_job {
		3840	eval {
2594	BDB::db_env_open	3841	BDB::db_env_open
2595	$DB_ENV,	3842	$DB_ENV,
2596	$BDB_ENV_DIR,	3843	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3844	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3845	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3846	0666;
2600		3847
2601	cf::cleanup "$!" if $!;	3848	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3849	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3850
2604	$DB_ENV->set_lk_detect;	3851	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	3852	};
2606	}	3853	}
		3854
		3855	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3856	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3857	};
		3858	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3859	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3860	};
		3861	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3862	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3863	};
2607	}	3864	}
2608		3865
2609	{	3866	{
		3867	# configure IO::AIO
		3868
2610	IO::AIO::min_parallel 8;	3869	IO::AIO::min_parallel 8;
2611
2612	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	3870	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	3871	undef $AnyEvent::AIO::WATCHER;
2615	reentrant => 0,
2616	fd => IO::AIO::poll_fileno,
2617	poll => 'r',
2618	prio => 6,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,
2621	);
2622	}	3872	}
2623		3873
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	3874	my $_log_backtrace;
2625	reentrant => 0,	3875
2626	data => WF_AUTOCANCEL,	3876	sub _log_backtrace {
2627	after => 1,	3877	my ($msg, @addr) = @_;
2628	interval => 10,	3878
2629	prio => 6, # keep it lowest so it acts like a watchdog	3879	$msg =~ s/\n//;
2630	cb => Coro::unblock_sub {	3880
2631	write_runtime	3881	# limit the # of concurrent backtraces
2632	or warn "ERROR: unable to write runtime file: $!";	3882	if ($_log_backtrace < 2) {
		3883	++$_log_backtrace;
		3884	async {
		3885	$Coro::current->{desc} = "abt $msg";
		3886
		3887	my @bt = fork_call {
		3888	@addr = map { sprintf "%x", $_ } @addr;
		3889	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3890	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3891	or die "addr2line: $!";
		3892
		3893	my @funcs;
		3894	my @res = <$fh>;
		3895	chomp for @res;
		3896	while (@res) {
		3897	my ($func, $line) = splice @res, 0, 2, ();
		3898	push @funcs, "[$func] $line";
		3899	}
		3900
		3901	@funcs
		3902	};
		3903
		3904	LOG llevInfo, "[ABT] $msg\n";
		3905	LOG llevInfo, "[ABT] $_\n" for @bt;
		3906	--$_log_backtrace;
		3907	};
		3908	} else {
		3909	LOG llevInfo, "[ABT] $msg\n";
		3910	LOG llevInfo, "[ABT] [suppressed]\n";
2633	},	3911	}
2634	);	3912	}
		3913
		3914	# load additional modules
		3915	use cf::pod;
2635		3916
2636	END { cf::emergency_save }	3917	END { cf::emergency_save }
2637		3918
2638	1	3919	1
2639		3920

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