ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.212 by root, Tue Feb 13 19:25:44 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;
27	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
28		61
		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
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		69
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		71
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		73
40	our %COMMAND = ();	74	our %COMMAND = ();
41	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
42		76
43	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
47		82
		83	our $RELOAD; # number of reloads so far
48	our @EVENT;	84	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		85
51	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	87	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	88	our $LIBDIR = "$DATADIR/ext";
54	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
55	our $NEXT_TICK;	101	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	106	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	107	our $DB_ENV;
61		108
62	our %CFG;	109	our %CFG;
63		110
64	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
66		114
67	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	117	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		118
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $TICK_START; # for load detecting purposes
		126
79	binmode STDOUT;	127	binmode STDOUT;
80	binmode STDERR;	128	binmode STDERR;
81		129
82	# read virtual server time, if available	130	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	132	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	133	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	134	$RUNTIME = <$fh> + 0.;
87	}	135	}
88		136
89	mkdir cf::localdir;	137	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		139
96	our $EMERGENCY_POSITION;	140	our $EMERGENCY_POSITION;
97		141
98	sub cf::map::normalise;	142	sub cf::map::normalise;
99		143
…		…
110	=item $cf::RUNTIME	154	=item $cf::RUNTIME
111		155
112	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
113	every server tick.	157	every server tick.
114		158
115	=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
116		162
117	The perl library directory, where extensions and cf-specific modules can	163	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		167
120	=item $cf::NOW	168	=item $cf::NOW
121		169
122	The time of the last (current) server tick.	170	The time of the last (current) server tick.
123		171
124	=item $cf::TICK	172	=item $cf::TICK
125		173
126	The interval between server ticks, in seconds.	174	The interval between server ticks, in seconds.
127		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
128	=item %cf::CFG	186	=item %cf::CFG
129		187
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	189	from wherever your confdir points to.
132		190
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		192
135	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
136	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
137	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.
138	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.
139		202
140	=back	203	=back
141		204
142	=cut	205	=cut
143		206
144	BEGIN {	207	BEGIN {
145	*CORE::GLOBAL::warn = sub {	208	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	209	my $msg = join "", @_;
147	utf8::encode $msg;
148		210
149	$msg .= "\n"	211	$msg .= "\n"
150	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
151		213
		214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		215
152	LOG llevError, $msg;	216	LOG llevError, $msg;
153	};	217	};
154	}	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#?
155		234
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		242
163	# 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
164	# within the Safe compartment.	244	# within the Safe compartment.
165	for my $pkg (qw(	245	for my $pkg (qw(
166	cf::global cf::attachable	246	cf::global cf::attachable
167	cf::object cf::object::player	247	cf::object cf::object::player
168	cf::client cf::player	248	cf::client cf::player
169	cf::arch cf::living	249	cf::arch cf::living
		250	cf::map cf::mapspace
170	cf::map cf::party cf::region	251	cf::party cf::region
171	)) {	252	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	254	}
175		255
176	$Event::DIED = sub {	256	$EV::DIED = sub {
177	warn "error in event callback: @_";	257	warn "error in event callback: @_";
178	};	258	};
		259
		260	#############################################################################
179		261
180	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
181		263
182	=over 4	264	=over 4
183		265
…		…
202	$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;
203	$d	285	$d
204	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
205	}	287	}
206		288
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
210		290
211	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
212		292
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
221		294
222	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
223		296
224	=cut	297	=cut
225		298
226	sub to_json($) {	299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	300
228	JSON::Syck::Dump $_[0]	301	sub encode_json($) { $json_coder->encode ($_[0]) }
229	}	302	sub decode_json($) { $json_coder->decode ($_[0]) }
230		303
231	=item cf::lock_wait $string	304	=item cf::lock_wait $string
232		305
233	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
234		307
…		…
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
240	returned.	313	returned.
241		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
242	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
243	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
244		320
		321	=item $locked = cf::lock_active $string
		322
		323	Return true if the lock is currently active, i.e. somebody has locked it.
		324
245	=cut	325	=cut
246		326
247	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
248		329
249	sub lock_wait($) {	330	sub lock_wait($) {
250	my ($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#
251		337
252	# wait for lock, if any	338	# wait for lock, if any
253	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	341	Coro::schedule;
…		…
261		347
262	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
263	lock_wait $key;	349	lock_wait $key;
264		350
265	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
266		353
267	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
270	}	358	}
271	}	359	}
272		360
		361	sub lock_active($) {
		362	my ($key) = @_;
		363
		364	! ! $LOCK{$key}
		365	}
		366
273	sub freeze_mainloop {	367	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
275		369
276	my $guard = Coro::guard {	370	Coro::guard \&tick_inhibit_dec;
277	$TICK_WATCHER->start;	371	}
278	$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($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
279	};	431	}
280	$WRITE_RUNTIME_WATCHER->stop;	432	};
281	$TICK_WATCHER->stop;	433
282	$guard	434	sub get_slot($;$$) {
		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	$sig->wait;
283	}	446	}
284		447
285	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
286		449
287	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		455
293	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
294		457
295	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
296		459
297	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
300		464
301	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
304	fast or be very important.	468	fast or be very important.
…		…
307		471
308	sub sync_job(&) {	472	sub sync_job(&) {
309	my ($job) = @_;	473	my ($job) = @_;
310		474
311	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
312	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
314		480
315	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	482
317	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
318		484
319	my $busy = 1;	485	my $busy = 1;
320	my @res;	486	my @res;
321		487
322	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	490	@res = eval { $job->() };
324	warn $@ if $@;	491	warn $@ if $@;
325	undef $busy;	492	undef $busy;
326	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
327		494
328	while ($busy) {	495	while ($busy) {
329	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
330	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
331		506
332	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
333	} else {	508	} else {
334	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
335		510
…		…
355	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
356		531
357	$coro	532	$coro
358	}	533	}
359		534
360	sub write_runtime {	535	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		536
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	Executes the given code block with the given arguments in a seperate
364	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.
365		541
366	my $value = $cf::RUNTIME + 90 + 10;	542	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		543
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	sub fork_call(&@) {
371	and return;	545	my ($cb, @args) = @_;
372		546
373	# always fsync - this file is important	547	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	548	# otherwise perl prematurely frees the stuff :/
375	and return;	549	# TODO: investigate and fix (likely this will be rather laborious)
376		550
377	close $fh	551	my @res = Coro::Util::fork_eval {
378	or return;	552	reset_signals;
		553	&$cb
		554	}, @args;
379		555
380	aio_rename "$runtime~", $runtime	556	wantarray ? @res : $res[-1]
381	and return;	557	}
382		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($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
383	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		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 });
384	}	722	}
385		723
386	=back	724	=back
387		725
388	=cut	726	=cut
…		…
395	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")
396	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
397		735
398	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>
399	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
400	crossfire+).	738	Deliantra).
401		739
402	=over 4	740	=over 4
403		741
404	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
405		743
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
569		907
570	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		912
575	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	914	my $pkg = shift @arg;
577		915
578	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
608	}	946	}
609		947
610	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
611	} else {	949	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	951	}
614		952
615	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
616	}	954	}
617		955
…		…
619	if (ref $_[0]) {	957	if (ref $_[0]) {
620	_object_attach @_;	958	_object_attach @_;
621	} else {	959	} else {
622	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
623	}	961	}
		962	_recalc_want;
624	};	963	};
625		964
626	# all those should be optimised	965	# all those should be optimised
627	sub cf::attachable::detach {	966	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
632	reattach ($obj);	971	reattach ($obj);
633	} else {	972	} else {
634	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
635	}	974	}
		975	_recalc_want;
636	};	976	};
637		977
638	sub cf::attachable::attached {	978	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
640		980
…		…
655	";	995	";
656	die if $@;	996	die if $@;
657	}	997	}
658		998
659	our $override;	999	our $override;
660	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?
661		1001
662	sub override {	1002	sub override {
663	$override = 1;	1003	$override = 1;
664	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
665	}	1005	}
666		1006
667	sub do_invoke {	1007	sub do_invoke {
668	my $event = shift;	1008	my $event = shift;
669	my $callbacks = shift;	1009	my $callbacks = shift;
670		1010
671	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
672		1012
673	local $override;	1013	local $override;
674		1014
675	for (@$callbacks) {	1015	for (@$callbacks) {
676	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
685	}	1025	}
686		1026
687	0	1027	0
688	}	1028	}
689		1029
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1031
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1033
694	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
695		1035
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1039
700	=back	1040	=back
701		1041
702	=cut	1042	=cut
703		1043
704	#############################################################################	1044	#############################################################################
705	# 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, $ob2
		1087	}
706		1088
707	sub reattach {	1089	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1091	my ($obj) = @_;
710		1092
		1093	# no longer needed after getting rid of delete_package?
711	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
712		1095
713	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
714		1097
715	@$registry = ();	1098	@$registry = ();
716		1099
…		…
731	cf::attachable->attach (	1114	cf::attachable->attach (
732	prio => -1000000,	1115	prio => -1000000,
733	on_instantiate => sub {	1116	on_instantiate => sub {
734	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
735		1118
736	$data = from_json $data;	1119	$data = decode_json $data;
737		1120
738	for (@$data) {	1121	for (@$data) {
739	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
740		1123
741	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1140	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
759		1142
760	sync_job {	1143	sync_job {
761	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
764		1148
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1153	aio_close $fh;
770		1154
771	if (@$objs) {	1155	if (@$objs) {
772	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) {
773	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1161	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
779	}	1163	}
780	} else {	1164	} else {
781	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
782	}	1166	}
…		…
787	}	1171	}
788	} else {	1172	} else {
789	aio_unlink $filename;	1173	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1174	aio_unlink "$filename.pst";
791	}	1175	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1176	};
799	}	1177	}
800		1178
801	sub object_freezer_as_string {	1179	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1180	my ($rdata, $objs) = @_;
803		1181
…		…
808		1186
809	sub object_thawer_load {	1187	sub object_thawer_load {
810	my ($filename) = @_;	1188	my ($filename) = @_;
811		1189
812	my ($data, $av);	1190	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1191
817	(aio_load $filename, $data) >= 0	1192	(aio_load $filename, $data) >= 0
818	or return;	1193	or return;
819		1194
820	unless (aio_stat "$filename.pst") {	1195	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1196	(aio_load "$filename.pst", $av) >= 0
822	or return;	1197	or return;
		1198
823	$av = eval { (Storable::thaw $av)->{objs} };	1199	my $st = eval { Coro::Storable::thaw $av };
		1200	$av = $st->{objs};
824	}	1201	}
825		1202
		1203	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1204	warn sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1205	$decname, length $data, scalar @{$av || []};
		1206
828	return ($data, $av);	1207	($data, $av)
829	}	1208	}
		1209
		1210	=head2 COMMAND CALLBACKS
		1211
		1212	=over 4
		1213
		1214	=cut
830		1215
831	#############################################################################	1216	#############################################################################
832	# command handling &c	1217	# command handling &c
833		1218
834	=item cf::register_command $name => \&callback($ob,$args);	1219	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1232	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1233	}
849		1234
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1235	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1236
852	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.
853		1242
854	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
855	called.	1244	called.
856		1245
		1246	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1247
		1248	Register a callback for execution when the client sends an (asynchronous)
		1249	exticmd packet. Exti commands are processed by the server as soon as they
		1250	are received, i.e. out of order w.r.t. other commands. The first argument
		1251	is a client socket. Exti commands can be received anytime, even before
		1252	log-in.
		1253
		1254	If the callback returns something, it is sent back as if reply was being
		1255	called.
		1256
857	=cut	1257	=cut
858		1258
859	sub register_extcmd {	1259	sub register_extcmd {
860	my ($name, $cb) = @_;	1260	my ($name, $cb) = @_;
861		1261
862	$EXTCMD{$name} = $cb;	1262	$EXTCMD{$name} = $cb;
		1263	}
		1264
		1265	sub register_exticmd {
		1266	my ($name, $cb) = @_;
		1267
		1268	$EXTICMD{$name} = $cb;
863	}	1269	}
864		1270
865	cf::player->attach (	1271	cf::player->attach (
866	on_command => sub {	1272	on_command => sub {
867	my ($pl, $name, $params) = @_;	1273	my ($pl, $name, $params) = @_;
…		…
876	cf::override;	1282	cf::override;
877	},	1283	},
878	on_extcmd => sub {	1284	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1285	my ($pl, $buf) = @_;
880		1286
881	my $msg = eval { from_json $buf };	1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1288
883	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
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1297	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1298	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1299	}
		1300
		1301	$pl->ext_reply ($reply, @reply)
		1302	if $reply;
		1303
889	} else {	1304	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1306	}
892		1307
893	cf::override;	1308	cf::override;
894	},	1309	},
895	);	1310	);
896		1311
897	sub load_extension {
898	my ($path) = @_;
899
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
901	my $base = $1;
902	my $pkg = $1;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}
925	die $@;
926	}
927
928	push @EXTS, $pkg;
929	}
930
931	sub load_extensions {	1312	sub load_extensions {
		1313	cf::sync_job {
		1314	my %todo;
		1315
932	for my $ext (<$LIBDIR/*.ext>) {	1316	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1317	next unless -r $path;
934	eval {	1318
935	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	$progress = 1;
936	1	1375	}
937	} or warn "$ext not loaded: $@";	1376
		1377	skip:
		1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1379	unless $progress;
		1380	}
938	}	1381	};
939	}	1382	}
940		1383
941	#############################################################################	1384	#############################################################################
942		1385
		1386	=back
		1387
943	=head2 CORE EXTENSIONS	1388	=head2 CORE EXTENSIONS
944		1389
945	Functions and methods that extend core crossfire objects.	1390	Functions and methods that extend core crossfire objects.
946		1391
947	=cut	1392	=cut
…		…
952		1397
953	=head3 cf::player	1398	=head3 cf::player
954		1399
955	=over 4	1400	=over 4
956		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
957	=item cf::player::find $login	1416	=item cf::player::find $login
958		1417
959	Returns the given player object, loading it if necessary (might block).	1418	Returns the given player object, loading it if necessary (might block).
960		1419
961	=cut	1420	=cut
962		1421
963	sub playerdir($) {	1422	sub playerdir($) {
964	cf::localdir	1423	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1424	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1425	}
970		1426
971	sub path($) {	1427	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1428	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1429
974	(playerdir $login) . "/$login.pl"	1430	(playerdir $login) . "/playerdata"
975	}	1431	}
976		1432
977	sub find_active($) {	1433	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1434	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1435	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1448	my $login = $_[0];
993		1449
994	my $guard = cf::lock_acquire "user_find:$login";	1450	my $guard = cf::lock_acquire "user_find:$login";
995		1451
996	$cf::PLAYER{$_[0]} || do {	1452	$cf::PLAYER{$_[0]} || do {
997	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
998	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;
999	$cf::PLAYER{$login} = $pl	1468	$cf::PLAYER{$login} = $pl
1000	}	1469	}
1001	}	1470	}
1002	}	1471	}
1003		1472
…		…
1012	return if $pl->{deny_save};	1481	return if $pl->{deny_save};
1013		1482
1014	aio_mkdir playerdir $pl, 0770;	1483	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1484	$pl->{last_save} = $cf::RUNTIME;
1016		1485
		1486	cf::get_slot 0.01;
		1487
1017	$pl->save_pl ($path);	1488	$pl->save_pl ($path);
1018	Coro::cede;	1489	cf::cede_to_tick;
1019	}	1490	}
1020		1491
1021	sub new($) {	1492	sub new($) {
1022	my ($login) = @_;	1493	my ($login) = @_;
1023		1494
…		…
1029	$cf::PLAYER{$login} = $self;	1500	$cf::PLAYER{$login} = $self;
1030		1501
1031	$self	1502	$self
1032	}	1503	}
1033		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
1034	=item $pl->quit_character	1515	=item $pl->quit_character
1035		1516
1036	Nukes the player without looking back. If logged in, the connection will	1517	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1518	be destroyed. May block for a long time.
1038		1519
1039	=cut	1520	=cut
1040		1521
1041	sub quit_character {	1522	sub quit_character {
1042	my ($pl) = @_;	1523	my ($pl) = @_;
1043		1524
		1525	my $name = $pl->ob->name;
		1526
1044	$pl->{deny_save} = 1;	1527	$pl->{deny_save} = 1;
1045	$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
1046		1529
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1048	$pl->deactivate;	1531	$pl->deactivate;
		1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1533	$pl->ob->check_score;
1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1050	$pl->ns->destroy if $pl->ns;	1535	$pl->ns->destroy if $pl->ns;
1051		1536
1052	my $path = playerdir $pl;	1537	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1538	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1539	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1540	delete $cf::PLAYER{$pl->ob->name};
1056	$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
1057	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;
1058	}	1563	}
1059		1564
1060	=item cf::player::list_logins	1565	=item cf::player::list_logins
1061		1566
1062	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
1063	while and may block, so not sync_job-capable, ever.	1568	while and may block, so not sync_job-capable, ever.
1064		1569
1065	=cut	1570	=cut
1066		1571
1067	sub list_logins {	1572	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1573	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1574	or return [];
1070		1575
1071	my @logins;	1576	my @logins;
1072		1577
1073	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") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1584	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1585	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1586	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1587	}
1077		1588
1078	utf8::decode $login;	1589	utf8::decode $login;
1079	push @logins, $login;	1590	push @logins, $login;
1080	}	1591	}
1081		1592
…		…
1108	}	1619	}
1109		1620
1110	\@paths	1621	\@paths
1111	}	1622	}
1112		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
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1719	=item $player->ext_reply ($msgid, @msg)
1114		1720
1115	Sends an ext reply to the player.	1721	Sends an ext reply to the player.
1116		1722
1117	=cut	1723	=cut
1118		1724
1119	sub ext_reply($$$%) {	1725	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1726	my ($self, $id, @msg) = @_;
1121		1727
1122	$msg{msgid} = $id;	1728	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1729	}
1126		1730
1127	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	}
1128		1771
1129	=back	1772	=back
1130
1131		1773
1132	=head3 cf::map	1774	=head3 cf::map
1133		1775
1134	=over 4	1776	=over 4
1135		1777
…		…
1147	our $MAX_RESET = 3600;	1789	our $MAX_RESET = 3600;
1148	our $DEFAULT_RESET = 3000;	1790	our $DEFAULT_RESET = 3000;
1149		1791
1150	sub generate_random_map {	1792	sub generate_random_map {
1151	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
1152	# mit "rum" bekleckern, nicht	1797	# mit "rum" bekleckern, nicht
1153	$self->_create_random_map (	1798	$self->_create_random_map (
1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1799	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1800	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1801	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1190	my ($self, $merge) = @_;	1835	my ($self, $merge) = @_;
1191		1836
1192	# we have to keep some variables in memory intact	1837	# we have to keep some variables in memory intact
1193	local $self->{path};	1838	local $self->{path};
1194	local $self->{load_path};	1839	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1840
1198	$self->SUPER::thawer_merge ($merge);	1841	$self->SUPER::thawer_merge ($merge);
1199	}	1842	}
1200		1843
1201	sub normalise {	1844	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1891	$self->init; # pass $1 etc.
1249	return $self;	1892	return $self;
1250	}	1893	}
1251	}	1894	}
1252		1895
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1896	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1897	()
1255	}	1898	}
1256		1899
1257	sub init {	1900	sub init {
1258	my ($self) = @_;	1901	my ($self) = @_;
…		…
1273		1916
1274	# the original (read-only) location	1917	# the original (read-only) location
1275	sub load_path {	1918	sub load_path {
1276	my ($self) = @_;	1919	my ($self) = @_;
1277		1920
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1921	"$MAPDIR/$self->{path}.map"
1279	}	1922	}
1280		1923
1281	# the temporary/swap location	1924	# the temporary/swap location
1282	sub save_path {	1925	sub save_path {
1283	my ($self) = @_;	1926	my ($self) = @_;
1284		1927
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1929	"$TMPDIR/$path.map"
1287	}	1930	}
1288		1931
1289	# the unique path, undef == no special unique path	1932	# the unique path, undef == no special unique path
1290	sub uniq_path {	1933	sub uniq_path {
1291	my ($self) = @_;	1934	my ($self) = @_;
1292		1935
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1936	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1937	"$UNIQUEDIR/$path"
1295	}	1938	}
1296		1939
1297	# and all this just because we cannot iterate over	1940	# and all this just because we cannot iterate over
1298	# all maps in C++...	1941	# all maps in C++...
1299	sub change_all_map_light {	1942	sub change_all_map_light {
…		…
1301		1944
1302	$_->change_map_light ($change)	1945	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1946	for grep $_->outdoor, values %cf::MAP;
1304	}	1947	}
1305		1948
		1949	sub decay_objects {
		1950	my ($self) = @_;
		1951
		1952	return if $self->{deny_reset};
		1953
		1954	$self->do_decay_objects;
		1955	}
		1956
1306	sub unlink_save {	1957	sub unlink_save {
1307	my ($self) = @_;	1958	my ($self) = @_;
1308		1959
1309	utf8::encode (my $save = $self->save_path);	1960	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1961	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1962	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1963	}
1318		1964
1319	sub load_header_from($) {	1965	sub load_header_from($) {
1320	my ($self, $path) = @_;	1966	my ($self, $path) = @_;
1321		1967
1322	utf8::encode $path;	1968	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1969	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	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;
1328		1977
1329	$self->{load_path} = $path;	1978	$self->{load_path} = $path;
1330		1979
1331	1	1980	1
1332	}	1981	}
…		…
1371	$self->load_header_orig	2020	$self->load_header_orig
1372	or return;	2021	or return;
1373	$self->prepare_orig;	2022	$self->prepare_orig;
1374	}	2023	}
1375		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
1376	1	2031	1
1377	}	2032	}
1378		2033
1379	sub find;	2034	sub find;
1380	sub find {	2035	sub find {
1381	my ($path, $origin) = @_;	2036	my ($path, $origin) = @_;
1382		2037
1383	$path = normalise $path, $origin && $origin->path;	2038	$path = normalise $path, $origin && $origin->path;
1384		2039
		2040	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2041	cf::lock_wait "map_find:$path";
1386		2042
1387	$cf::MAP{$path} || do {	2043	$cf::MAP{$path} || do {
		2044	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1388	my $guard = cf::lock_acquire "map_find:$path";	2045	my $guard2 = cf::lock_acquire "map_find:$path";
		2046
1389	my $map = new_from_path cf::map $path	2047	my $map = new_from_path cf::map $path
1390	or return;	2048	or return;
1391		2049
1392	$map->{last_save} = $cf::RUNTIME;	2050	$map->{last_save} = $cf::RUNTIME;
1393		2051
1394	$map->load_header	2052	$map->load_header
1395	or return;	2053	or return;
1396		2054
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2055	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2056	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2057	#$cf::WAIT_FOR_TICK->wait;
		2058	undef $guard2;
		2059	undef $guard1;
1400	$map->reset;	2060	$map->reset;
1401	undef $guard;
1402	return find $path;	2061	return find $path;
1403	}	2062	}
1404		2063
1405	$cf::MAP{$path} = $map	2064	$cf::MAP{$path} = $map
1406	}	2065	}
…		…
1413	my ($self) = @_;	2072	my ($self) = @_;
1414		2073
1415	local $self->{deny_reset} = 1; # loading can take a long time	2074	local $self->{deny_reset} = 1; # loading can take a long time
1416		2075
1417	my $path = $self->{path};	2076	my $path = $self->{path};
		2077
		2078	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2079	my $guard = cf::lock_acquire "map_data:$path";
1419		2080
		2081	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2082	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2083
1422	$self->in_memory (cf::MAP_LOADING);	2084	$self->in_memory (cf::MAP_LOADING);
1423		2085
1424	$self->alloc;	2086	$self->alloc;
1425		2087
1426	$self->pre_load;	2088	$self->pre_load;
		2089	cf::cede_to_tick;
1427		2090
1428	$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)
1429	or return;	2094	or return;
1430		2095
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2096	$self->post_load_original
1432	if delete $self->{load_original};	2097	if delete $self->{load_original};
1433		2098
1434	if (my $uniq = $self->uniq_path) {	2099	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2100	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2101	unless (aio_stat $uniq) {
		2102	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2103	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2104	$self->_load_objects ($f);
		2105	$f->resolve_delayed_derefs;
		2106	}
1439	}	2107	}
1440	}	2108	}
1441		2109
1442	Coro::cede;	2110	$f->resolve_delayed_derefs;
1443		2111
		2112	cf::cede_to_tick;
1444	# now do the right thing for maps	2113	# now do the right thing for maps
1445	$self->link_multipart_objects;	2114	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2115	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2116	unless $self->difficulty;
1455	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;
1456	$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);
1457	}	2133	}
1458		2134
1459	$self->post_load;	2135	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2136	}
1463		2137
1464	sub customise_for {	2138	sub customise_for {
1465	my ($self, $ob) = @_;	2139	my ($self, $ob) = @_;
1466		2140
1467	return find "~" . $ob->name . "/" . $self->{path}	2141	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2142	if $self->per_player;
1469		2143
		2144	# return find "?party/" . $ob->name . "/" . $self->{path}
		2145	# if $self->per_party;
		2146
1470	$self	2147	$self
1471	}	2148	}
1472		2149
1473	# 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
1474	sub load_diag {	2151	sub load_neighbours {
1475	my ($map) = @_;	2152	my ($map) = @_;
1476		2153
1477	my @diag; # diagonal neighbours	2154	my @neigh; # diagonal neighbours
1478		2155
1479	for (0 .. 3) {	2156	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2157	my $neigh = $map->tile_path ($_)
1481	or next;	2158	or next;
1482	$neigh = find $neigh, $map	2159	$neigh = find $neigh, $map
1483	or next;	2160	or next;
1484	$neigh->load;	2161	$neigh->load;
1485		2162
		2163	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2164	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2165	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2166	}
1489		2167
1490	for (@diag) {	2168	for (grep defined $_->[0], @neigh) {
		2169	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2170	my $neigh = find $path, $origin
1492	or next;	2171	or next;
1493	$neigh->load;	2172	$neigh->load;
1494	}	2173	}
1495	}	2174	}
1496		2175
…		…
1501	}	2180	}
1502		2181
1503	sub do_load_sync {	2182	sub do_load_sync {
1504	my ($map) = @_;	2183	my ($map) = @_;
1505		2184
		2185	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2186	if $Coro::current == $Coro::main;
		2187
1506	cf::sync_job { $map->load };	2188	cf::sync_job { $map->load };
1507	}	2189	}
1508		2190
1509	our %MAP_PREFETCH;	2191	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2192	our $MAP_PREFETCHER = undef;
1511		2193
1512	sub find_async {	2194	sub find_async {
1513	my ($path, $origin) = @_;	2195	my ($path, $origin, $load) = @_;
1514		2196
1515	$path = normalise $path, $origin && $origin->{path};	2197	$path = normalise $path, $origin && $origin->{path};
1516		2198
1517	if (my $map = $cf::MAP{$path}) {	2199	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2200	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2201	}
1520		2202
1521	undef $MAP_PREFETCH{$path};	2203	$MAP_PREFETCH{$path} |= $load;
		2204
1522	$MAP_PREFETCHER ||= cf::async {	2205	$MAP_PREFETCHER ||= cf::async {
		2206	$Coro::current->{desc} = "map prefetcher";
		2207
1523	while (%MAP_PREFETCH) {	2208	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2209	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2210	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2211	$map->load if $v;
		2212	}
1528		2213
1529	delete $MAP_PREFETCH{$path};	2214	delete $MAP_PREFETCH{$k};
1530	}	2215	}
1531	}	2216	}
1532	undef $MAP_PREFETCHER;	2217	undef $MAP_PREFETCHER;
1533	};	2218	};
1534	$MAP_PREFETCHER->prio (6);	2219	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2222	}
1538		2223
1539	sub save {	2224	sub save {
1540	my ($self) = @_;	2225	my ($self) = @_;
1541		2226
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2228
1544	$self->{last_save} = $cf::RUNTIME;	2229	$self->{last_save} = $cf::RUNTIME;
1545		2230
1546	return unless $self->dirty;	2231	return unless $self->dirty;
1547		2232
…		…
1553	return if $self->{deny_save};	2238	return if $self->{deny_save};
1554		2239
1555	local $self->{last_access} = $self->last_access;#d#	2240	local $self->{last_access} = $self->last_access;#d#
1556		2241
1557	cf::async {	2242	cf::async {
		2243	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2244	$_->contr->save for $self->players;
1559	};	2245	};
		2246
		2247	cf::get_slot 0.02;
1560		2248
1561	if ($uniq) {	2249	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2250	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2251	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2252	} else {
…		…
1570	my ($self) = @_;	2258	my ($self) = @_;
1571		2259
1572	# save first because save cedes	2260	# save first because save cedes
1573	$self->save;	2261	$self->save;
1574		2262
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2264
1577	return if $self->players;	2265	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2266	return if $self->in_memory != cf::MAP_ACTIVE;
1579	return if $self->{deny_save};	2267	return if $self->{deny_save};
1580		2268
		2269	$self->in_memory (cf::MAP_SWAPPED);
		2270
		2271	$self->deactivate;
		2272	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2273	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2274	}
1584		2275
1585	sub reset_at {	2276	sub reset_at {
1586	my ($self) = @_;	2277	my ($self) = @_;
1587		2278
1588	# TODO: safety, remove and allow resettable per-player maps	2279	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2280	return 1e99 if $self->{deny_reset};
1591		2281
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2282	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	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;
1594		2284
…		…
1605	my ($self) = @_;	2295	my ($self) = @_;
1606		2296
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2297	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2298
1609	return if $self->players;	2299	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2300
1612	warn "resetting map ", $self->path;#d#	2301	warn "resetting map ", $self->path;
1613		2302
1614	$self->in_memory (cf::MAP_SWAPPED);	2303	$self->in_memory (cf::MAP_SWAPPED);
1615		2304
1616	# need to save uniques path	2305	# need to save uniques path
1617	unless ($self->{deny_save}) {	2306	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2310	if $uniq;
1622	}	2311	}
1623		2312
1624	delete $cf::MAP{$self->path};	2313	delete $cf::MAP{$self->path};
1625		2314
		2315	$self->deactivate;
		2316	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2317	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2318
1630	$self->unlink_save;	2319	$self->unlink_save;
1631	$self->destroy;	2320	$self->destroy;
1632	}	2321	}
1633		2322
1634	my $nuke_counter = "aaaa";	2323	my $nuke_counter = "aaaa";
1635		2324
1636	sub nuke {	2325	sub nuke {
1637	my ($self) = @_;	2326	my ($self) = @_;
1638		2327
		2328	{
		2329	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2330
1639	delete $cf::MAP{$self->path};	2331	delete $cf::MAP{$self->path};
1640		2332
1641	$self->unlink_save;	2333	$self->unlink_save;
1642		2334
1643	bless $self, "cf::map";	2335	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2336	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2337	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2338	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2339	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2340
1649	$cf::MAP{$self->path} = $self;	2341	$cf::MAP{$self->path} = $self;
		2342	}
1650		2343
1651	$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	]
1652	}	2381	}
1653		2382
1654	=item cf::map::unique_maps	2383	=item cf::map::unique_maps
1655		2384
1656	Returns an arrayref of paths of all shared maps that have	2385	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2386	instantiated unique items. May block.
1658		2387
1659	=cut	2388	=cut
1660		2389
1661	sub unique_maps() {	2390	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2391	[
1663	or return;	2392	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2393	utf8::decode $_;
1669	next if /\.pst$/;	2394	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2395	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2396	? ()
1672	push @paths, cf::map::normalise $_;	2397	: normalise $_
		2398	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2399	]
1674
1675	\@paths
1676	}	2400	}
1677
1678	package cf;
1679		2401
1680	=back	2402	=back
1681		2403
1682	=head3 cf::object	2404	=head3 cf::object
1683		2405
…		…
1687		2409
1688	=over 4	2410	=over 4
1689		2411
1690	=item $ob->inv_recursive	2412	=item $ob->inv_recursive
1691		2413
1692	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.
1693		2416
1694	=cut	2417	=cut
1695		2418
1696	sub inv_recursive_;	2419	sub inv_recursive_;
1697	sub inv_recursive_ {	2420	sub inv_recursive_ {
…		…
1700		2423
1701	sub inv_recursive {	2424	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2425	inv_recursive_ inv $_[0]
1703	}	2426	}
1704		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
1705	package cf;	2456	package cf;
1706		2457
1707	=back	2458	=back
1708		2459
1709	=head3 cf::object::player	2460	=head3 cf::object::player
…		…
1715	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>
1716	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
1717	dialogue with the given NPC character.	2468	dialogue with the given NPC character.
1718		2469
1719	=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	};
1720		2485
1721	# rough implementation of a future "reply" method that works	2486	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2487	# with dialog boxes.
1723	#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
1724	sub cf::object::player::reply($$$;$) {	2489	sub cf::object::player::reply($$$;$) {
…		…
1726		2491
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2492	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2493
1729	if ($self->{record_replies}) {	2494	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2495	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2496
1731	} 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 {
1732	$msg = $npc->name . " says: $msg" if $npc;	2505	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2506	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2507	}
1734	}	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 (@_);
1735	}	2519	}
1736		2520
1737	=item $player_object->may ("access")	2521	=item $player_object->may ("access")
1738		2522
1739	Returns wether the given player is authorized to access resource "access"	2523	Returns wether the given player is authorized to access resource "access"
…		…
1786	$self->deactivate_recursive;	2570	$self->deactivate_recursive;
1787		2571
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2572	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2573
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2574	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2575	if $self->map && $self->map->{path} ne "{link}";
1792		2576
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2577	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2578	}
1795		2579
1796	sub cf::object::player::leave_link {	2580	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2581	my ($self, $map, $x, $y) = @_;
		2582
		2583	return unless $self->contr->active;
1798		2584
1799	my $link_pos = delete $self->{_link_pos};	2585	my $link_pos = delete $self->{_link_pos};
1800		2586
1801	unless ($map) {	2587	unless ($map) {
1802	# restore original map position	2588	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2602	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2603	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2604	if $x <=0 && $y <= 0;
1819		2605
1820	$map->load;	2606	$map->load;
1821	$map->load_diag;	2607	$map->load_neighbours;
1822		2608
1823	return unless $self->contr->active;	2609	return unless $self->contr->active;
1824	$self->activate_recursive;	2610	$self->activate_recursive;
		2611
		2612	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2613	$self->enter_map ($map, $x, $y);
1826	}	2614	}
1827		2615
1828	cf::player->attach (	2616	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829	on_logout => sub {
1830	my ($pl) = @_;
1831		2617
1832	# abort map switching before logout	2618	Moves the player to the given map-path and coordinates by first freezing
1833	if ($pl->ob->{_link_pos}) {	2619	her, loading and preparing them map, calling the provided $check callback
1834	cf::sync_job {	2620	that has to return the map if sucecssful, and then unfreezes the player on
1835	$pl->ob->leave_link	2621	the new (success) or old (failed) map position. In either case, $done will
1836	};	2622	be called at the end of this process.
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2623
1842	# try to abort aborted map switching on player login :)	2624	Note that $check will be called with a potentially non-loaded map, so if
1843	# should happen only on crashes	2625	it needs a loaded map it has to call C<< ->load >>.
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859		2626
1860	=item $player_object->goto ($path, $x, $y)
1861
1862	=cut	2627	=cut
		2628
		2629	our $GOTOGEN;
1863		2630
1864	sub cf::object::player::goto {	2631	sub cf::object::player::goto {
1865	my ($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;
1866		2636
1867	$self->enter_link;	2637	$self->enter_link;
1868		2638
1869	(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
1870	my $map = eval {	2661	my $map = eval {
1871	my $map = cf::map::find $path;	2662	my $map = defined $path ? cf::map::find $path : undef;
		2663
		2664	if ($map) {
1872	$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
1873	$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 $@;
1874	} or	2677	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2678
		2679	if ($gen == $self->{_goto_generation}) {
		2680	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2681	$self->leave_link ($map, $x, $y);
		2682	}
		2683
		2684	$done->() if $done;
1878	})->prio (1);	2685	})->prio (1);
1879	}	2686	}
1880		2687
1881	=item $player_object->enter_exit ($exit_object)	2688	=item $player_object->enter_exit ($exit_object)
1882		2689
…		…
1902	}	2709	}
1903		2710
1904	sub prepare_random_map {	2711	sub prepare_random_map {
1905	my ($exit) = @_;	2712	my ($exit) = @_;
1906		2713
1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909	# all this does is basically replace the /! path by	2714	# all this does is basically replace the /! path by
1910	# a new random map path (?random/...) with a seed	2715	# a new random map path (?random/...) with a seed
1911	# that depends on the exit object	2716	# that depends on the exit object
1912		2717
1913	my $rmp = parse_random_map_params $exit->msg;	2718	my $rmp = parse_random_map_params $exit->msg;
…		…
1915	if ($exit->map) {	2720	if ($exit->map) {
1916	$rmp->{region} = $exit->region->name;	2721	$rmp->{region} = $exit->region->name;
1917	$rmp->{origin_map} = $exit->map->path;	2722	$rmp->{origin_map} = $exit->map->path;
1918	$rmp->{origin_x} = $exit->x;	2723	$rmp->{origin_x} = $exit->x;
1919	$rmp->{origin_y} = $exit->y;	2724	$rmp->{origin_y} = $exit->y;
		2725
		2726	$exit->map->touch;
1920	}	2727	}
1921		2728
1922	$rmp->{random_seed} ||= $exit->random_seed;	2729	$rmp->{random_seed} ||= $exit->random_seed;
1923		2730
1924	my $data = cf::to_json $rmp;	2731	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925	my $md5 = Digest::MD5::md5_hex $data;	2732	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2733	my $meta = "$RANDOMDIR/$md5.meta";
1927		2734
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2735	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2736	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2737	undef $fh;
1931	aio_rename "$meta~", $meta;	2738	aio_rename "$meta~", $meta;
1932		2739
		2740	my $slaying = "?random/$md5";
		2741
		2742	if ($exit->valid) {
1933	$exit->slaying ("?random/$md5");	2743	$exit->slaying ("?random/$md5");
1934	$exit->msg (undef);	2744	$exit->msg (undef);
		2745	}
1935	}	2746	}
1936	}	2747	}
1937		2748
1938	sub cf::object::player::enter_exit {	2749	sub cf::object::player::enter_exit {
1939	my ($self, $exit) = @_;	2750	my ($self, $exit) = @_;
1940		2751
1941	return unless $self->type == cf::PLAYER;	2752	return unless $self->type == cf::PLAYER;
1942		2753
1943	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
1945	cf::sync_job { prepare_random_map $exit };
1946	}
1947
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;
1951
1952	$self->enter_link;	2754	$self->enter_link;
1953		2755
1954	(async {	2756	(async {
1955	$self->deactivate_recursive; # just to be sure	2757	$Coro::current->{desc} = "enter_exit";
		2758
1956	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
1957	$self->goto ($slaying, $hp, $sp);	2774	$self->goto ($map, $x, $y);
1958		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
1959	1;	2780	1
1960	}) {	2781	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2782	$self->message ("Something went wrong deep within the crossfire server. "
1962	. "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. "
1963	. "Please report this to the dungeon master!",	2784	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2785	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2786
1966	warn "ERROR in enter_exit: $@";	2787	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2788	$self->leave_link;
1968	}	2789	}
1969	})->prio (1);	2790	})->prio (1);
…		…
1982		2803
1983	sub cf::client::send_drawinfo {	2804	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2805	my ($self, $text, $flags) = @_;
1985		2806
1986	utf8::encode $text;	2807	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2808	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2809	}
1989		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	}
1990		2975
1991	=item $success = $client->query ($flags, "text", \&cb)	2976	=item $success = $client->query ($flags, "text", \&cb)
1992		2977
1993	Queues a query to the client, calling the given callback with	2978	Queues a query to the client, calling the given callback with
1994	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>,
1995	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>.
1996		2981
1997	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
1998	reliable at some point in the future.	2983	become reliable at some point in the future.
1999		2984
2000	=cut	2985	=cut
2001		2986
2002	sub cf::client::query {	2987	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	2988	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	2996	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2997	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		2998
2014	$self->send_packet ($self->{query_queue}[0][0])	2999	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	3000	if @{ $self->{query_queue} } == 1;
		3001
		3002	1
2016	}	3003	}
2017		3004
2018	cf::client->attach (	3005	cf::client->attach (
		3006	on_connect => sub {
		3007	my ($ns) = @_;
		3008
		3009	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3010	},
2019	on_reply => sub {	3011	on_reply => sub {
2020	my ($ns, $msg) = @_;	3012	my ($ns, $msg) = @_;
2021		3013
2022	# this weird shuffling is so that direct followup queries	3014	# this weird shuffling is so that direct followup queries
2023	# get handled first	3015	# get handled first
…		…
2035	} else {	3027	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3028	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	3029	}
2038	}	3030	}
2039	},	3031	},
		3032	on_exticmd => sub {
		3033	my ($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	},
2040	);	3058	);
2041		3059
2042	=item $client->async (\&cb)	3060	=item $client->async (\&cb)
2043		3061
2044	Create a new coroutine, running the specified callback. The coroutine will	3062	Create a new coroutine, running the specified callback. The coroutine will
…		…
2085	our $safe = new Safe "safe";	3103	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3104	our $safe_hole = new Safe::Hole;
2087		3105
2088	$SIG{FPE} = 'IGNORE';	3106	$SIG{FPE} = 'IGNORE';
2089		3107
2090	$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	));
2091		3113
2092	# here we export the classes and methods available to script code	3114	# here we export the classes and methods available to script code
2093		3115
2094	=pod	3116	=pod
2095		3117
2096	The following fucntions and emthods are available within a safe environment:	3118	The following functions and methods are available within a safe environment:
2097		3119
2098	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
2099	cf::object::player player	3124	cf::object::player
2100	cf::player peaceful	3125	player
2101	cf::map trigger	3126
		3127	cf::player
		3128	peaceful
		3129
		3130	cf::map
		3131	trigger
2102		3132
2103	=cut	3133	=cut
2104		3134
2105	for (	3135	for (
2106	["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)],
2107	["cf::object::player" => qw(player)],	3139	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3140	["cf::player" => qw(peaceful)],
2109	["cf::map" => qw(trigger)],	3141	["cf::map" => qw(trigger)],
2110	) {	3142	) {
2111	no strict 'refs';	3143	no strict 'refs';
…		…
2182	=back	3214	=back
2183		3215
2184	=cut	3216	=cut
2185		3217
2186	#############################################################################	3218	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257
2258	#############################################################################
2259	# the server's init and main functions	3219	# the server's init and main functions
2260		3220
		3221	sub load_facedata($) {
		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, $v);
		3353	}
		3354	};
		3355
2261	sub load_resources {	3356	sub load_resource_file($) {
2262	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"
2263	or die "unable to load regions file\n";#d#	3372	or die "unable to load regions file\n";
2264	}
2265		3373
2266	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 {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3415	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	3416	or return;
2269		3417
2270	local $/;	3418	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	3419	*CFG = YAML::Load <$fh>;
2272		3420
2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3421	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2274		3422
2275	$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};
2276	$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};
…		…
2282	};	3430	};
2283	warn $@ if $@;	3431	warn $@ if $@;
2284	}	3432	}
2285	}	3433	}
2286		3434
2287	sub init {
2288	load_resources;
2289	}
2290
2291	sub main {	3435	sub main {
2292	# we must not ever block the main coroutine	3436	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3437	local $Coro::idle = sub {
2294	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#
2295	(async {	3439	(async {
2296	Event::one_event;	3440	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3441	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3442	})->prio (Coro::PRIO_MAX);
2298	};	3443	};
2299		3444
2300	cfg_load;	3445	{
		3446	my $guard = freeze_mainloop;
		3447	reload_config;
2301	db_init;	3448	db_init;
2302	load_extensions;	3449	load_extensions;
2303		3450
2304	$TICK_WATCHER->start;	3451	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3452	}
		3453
2305	Event::loop;	3454	EV::loop;
2306	}	3455	}
2307		3456
2308	#############################################################################	3457	#############################################################################
2309	# initialisation and cleanup	3458	# initialisation and cleanup
2310		3459
2311	# install some emergency cleanup handlers	3460	# install some emergency cleanup handlers
2312	BEGIN {	3461	BEGIN {
		3462	our %SIGWATCHER = ();
2313	for my $signal (qw(INT HUP TERM)) {	3463	for my $signal (qw(INT HUP TERM)) {
2314	Event->signal (	3464	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2315	reentrant => 0,
2316	data => WF_AUTOCANCEL,
2317	signal => $signal,
2318	prio => 0,
2319	cb => sub {
2320	cf::cleanup "SIG$signal";	3465	cf::cleanup "SIG$signal";
2321	},
2322	);	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
2323	}	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 };
2324	}	3549	}
2325		3550
2326	sub emergency_save() {	3551	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	3552	my $freeze_guard = cf::freeze_mainloop;
2328		3553
…		…
2334	# and maps saved/destroyed asynchronously.	3559	# and maps saved/destroyed asynchronously.
2335	warn "begin emergency player save\n";	3560	warn "begin emergency player save\n";
2336	for my $login (keys %cf::PLAYER) {	3561	for my $login (keys %cf::PLAYER) {
2337	my $pl = $cf::PLAYER{$login} or next;	3562	my $pl = $cf::PLAYER{$login} or next;
2338	$pl->valid or next;	3563	$pl->valid or next;
		3564	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2339	$pl->save;	3565	$pl->save;
2340	}	3566	}
2341	warn "end emergency player save\n";	3567	warn "end emergency player save\n";
2342		3568
2343	warn "begin emergency map save\n";	3569	warn "begin emergency map save\n";
…		…
2349	warn "end emergency map save\n";	3575	warn "end emergency map save\n";
2350		3576
2351	warn "begin emergency database checkpoint\n";	3577	warn "begin emergency database checkpoint\n";
2352	BDB::db_env_txn_checkpoint $DB_ENV;	3578	BDB::db_env_txn_checkpoint $DB_ENV;
2353	warn "end emergency database checkpoint\n";	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";
2354	};	3584	};
2355		3585
2356	warn "leave emergency perl save\n";	3586	warn "leave emergency perl save\n";
2357	}	3587	}
2358		3588
…		…
2361		3591
2362	warn Carp::longmess "post_cleanup backtrace"	3592	warn Carp::longmess "post_cleanup backtrace"
2363	if $make_core;	3593	if $make_core;
2364	}	3594	}
2365		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
2366	sub reload() {	3624	sub do_reload_perl() {
2367	# can/must only be called in main	3625	# can/must only be called in main
2368	if ($Coro::current != $Coro::main) {	3626	if ($Coro::current != $Coro::main) {
2369	warn "can only reload from main coroutine";	3627	warn "can only reload from main coroutine";
2370	return;	3628	return;
2371	}	3629	}
2372		3630
		3631	return if $RELOAD++;
		3632
		3633	while ($RELOAD) {
2373	warn "reloading...";	3634	warn "reloading...";
2374		3635
2375	warn "entering sync_job";	3636	warn "entering sync_job";
2376		3637
2377	sync_job {	3638	cf::sync_job {
2378	write_runtime;	3639	cf::write_runtime_sync; # external watchdog should not bark
2379	cf::emergency_save;	3640	cf::emergency_save;
2380	write_runtime;	3641	cf::write_runtime_sync; # external watchdog should not bark
2381		3642
2382	warn "syncing database to disk";	3643	warn "syncing database to disk";
2383	BDB::db_env_txn_checkpoint $DB_ENV;	3644	BDB::db_env_txn_checkpoint $DB_ENV;
2384		3645
2385	# 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
2386		3647
2387	warn "cancelling all WF_AUTOCANCEL watchers";
2388	for (Event::all_watchers) {
2389	$_->cancel if $_->data & WF_AUTOCANCEL;
2390	}
2391
2392	warn "flushing outstanding aio requests";	3648	warn "flushing outstanding aio requests";
2393	for (;;) {
2394	BDB::flush;
2395	IO::AIO::flush;
2396	Coro::cede;
2397	last unless IO::AIO::nreqs || BDB::nreqs;	3649	while (IO::AIO::nreqs || BDB::nreqs) {
2398	warn "iterate...";	3650	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2399	}
2400
2401	warn "cancelling all extension coros";
2402	$_->cancel for values %EXT_CORO;
2403	%EXT_CORO = ();
2404
2405	warn "removing commands";
2406	%COMMAND = ();
2407
2408	warn "removing ext commands";
2409	%EXTCMD = ();
2410
2411	warn "unloading/nuking all extensions";
2412	for my $pkg (@EXTS) {
2413	warn "... unloading $pkg";
2414
2415	if (my $cb = $pkg->can ("unload")) {
2416	eval {
2417	$cb->($pkg);
2418	1
2419	} or warn "$pkg unloaded, but with errors: $@";
2420	}	3651	}
2421		3652
2422	warn "... nuking $pkg";	3653	warn "cancelling all extension coros";
2423	Symbol::delete_package $pkg;	3654	$_->cancel for values %EXT_CORO;
2424	}	3655	%EXT_CORO = ();
2425		3656
2426	warn "unloading all perl modules loaded from $LIBDIR";	3657	warn "removing commands";
2427	while (my ($k, $v) = each %INC) {	3658	%COMMAND = ();
2428	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2429		3659
		3660	warn "removing ext/exti commands";
		3661	%EXTCMD = ();
		3662	%EXTICMD = ();
		3663
		3664	warn "unloading/nuking all extensions";
		3665	for my $pkg (@EXTS) {
2430	warn "... unloading $k";	3666	warn "... unloading $pkg";
2431	delete $INC{$k};
2432		3667
2433	$k =~ s/\.pm$//;
2434	$k =~ s/\//::/g;
2435
2436	if (my $cb = $k->can ("unload_module")) {	3668	if (my $cb = $pkg->can ("unload")) {
		3669	eval {
2437	$cb->();	3670	$cb->($pkg);
		3671	1
		3672	} or warn "$pkg unloaded, but with errors: $@";
		3673	}
		3674
		3675	warn "... clearing $pkg";
		3676	clear_package $pkg;
2438	}	3677	}
2439		3678
2440	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;
2441	}	3694	}
2442		3695
2443	warn "getting rid of safe::, as good as possible";	3696	warn "getting rid of safe::, as good as possible";
2444	Symbol::delete_package "safe::$_"	3697	clear_package "safe::$_"
2445	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);
2446		3699
2447	warn "unloading cf.pm \"a bit\"";	3700	warn "unloading cf.pm \"a bit\"";
2448	delete $INC{"cf.pm"};	3701	delete $INC{"cf.pm"};
		3702	delete $INC{"cf/pod.pm"};
2449		3703
2450	# don't, removes xs symbols, too,	3704	# don't, removes xs symbols, too,
2451	# and global variables created in xs	3705	# and global variables created in xs
2452	#Symbol::delete_package __PACKAGE__;	3706	#clear_package __PACKAGE__;
2453		3707
2454	warn "unload completed, starting to reload now";	3708	warn "unload completed, starting to reload now";
2455		3709
2456	warn "reloading cf.pm";	3710	warn "reloading cf.pm";
2457	require cf;	3711	require cf;
2458	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3712	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2459		3713
2460	warn "loading config and database again";	3714	warn "loading config and database again";
2461	cf::cfg_load;	3715	cf::reload_config;
2462		3716
2463	warn "loading extensions";	3717	warn "loading extensions";
2464	cf::load_extensions;	3718	cf::load_extensions;
2465		3719
2466	warn "reattaching attachments to objects/players";	3720	warn "reattaching attachments to objects/players";
2467	_global_reattach;	3721	_global_reattach; # objects, sockets
2468	warn "reattaching attachments to maps";	3722	warn "reattaching attachments to maps";
2469	reattach $_ for values %MAP;	3723	reattach $_ for values %MAP;
		3724	warn "reattaching attachments to players";
		3725	reattach $_ for values %PLAYER;
2470		3726
2471	warn "loading reloadable resources";
2472	load_resources;
2473
2474	warn "leaving sync_job";	3727	warn "leaving sync_job";
2475		3728
2476	1	3729	1
2477	} or do {	3730	} or do {
2478	warn $@;	3731	warn $@;
2479	warn "error while reloading, exiting.";	3732	cf::cleanup "error while reloading, exiting.";
2480	exit 1;	3733	};
		3734
		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;
2481	};	3749	};
2482		3750	}
2483	warn "reloaded";
2484	};
2485
2486	our $RELOAD_WATCHER; # used only during reload
2487		3751
2488	register_command "reload" => sub {	3752	register_command "reload" => sub {
2489	my ($who, $arg) = @_;	3753	my ($who, $arg) = @_;
2490		3754
2491	if ($who->flag (FLAG_WIZ)) {	3755	if ($who->flag (FLAG_WIZ)) {
2492	$who->message ("reloading server.");	3756	$who->message ("reloading server.");
2493		3757	async {
2494	# doing reload synchronously and two reloads happen back-to-back,	3758	$Coro::current->{desc} = "perl_reload";
2495	# coro crashes during coro_state_free->destroy here.
2496
2497	$RELOAD_WATCHER ||= Event->timer (
2498	reentrant => 0,
2499	after => 0,
2500	data => WF_AUTOCANCEL,
2501	cb => sub {
2502	reload;	3759	reload_perl;
2503	undef $RELOAD_WATCHER;
2504	},
2505	);	3760	};
2506	}	3761	}
2507	};	3762	};
2508		3763
2509	unshift @INC, $LIBDIR;	3764	unshift @INC, $LIBDIR;
2510		3765
2511	my $bug_warning = 0;	3766	my $bug_warning = 0;
2512		3767
2513	$TICK_WATCHER = Event->timer (	3768	our @WAIT_FOR_TICK;
2514	reentrant => 0,	3769	our @WAIT_FOR_TICK_BEGIN;
2515	parked => 1,	3770
2516	prio => 0,	3771	sub wait_for_tick {
2517	at => $NEXT_TICK || $TICK,	3772	return if tick_inhibit || $Coro::current == $Coro::main;
2518	data => WF_AUTOCANCEL,	3773
2519	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 {
2520	if ($Coro::current != $Coro::main) {	3788	if ($Coro::current != $Coro::main) {
2521	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"
2522	unless ++$bug_warning > 10;	3790	unless ++$bug_warning > 10;
2523	return;	3791	return;
2524	}	3792	}
2525		3793
2526	$NOW = Event::time;
2527
2528	cf::server_tick; # one server iteration	3794	cf::server_tick; # one server iteration
2529	$RUNTIME += $TICK;
2530	$NEXT_TICK += $TICK;
2531		3795
2532	$WAIT_FOR_TICK->broadcast;	3796	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2533	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3797	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2534		3798	Coro::async_pool {
2535	# my $AFTER = Event::time;	3799	$Coro::current->{desc} = "runtime saver";
2536	# warn $AFTER - $NOW;#d#	3800	write_runtime_sync
2537		3801	or warn "ERROR: unable to write runtime file: $!";
2538	# if we are delayed by four ticks or more, skip them all	3802	};
2539	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2540
2541	$TICK_WATCHER->at ($NEXT_TICK);
2542	$TICK_WATCHER->start;
2543	},	3803	}
2544	);	3804
		3805	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		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#
		3820	}
		3821	}
		3822	}
2545		3823
2546	{	3824	{
2547	BDB::max_poll_time $TICK * 0.1;	3825	# configure BDB
2548	$BDB_POLL_WATCHER = Event->io (	3826
2549	reentrant => 0,
2550	fd => BDB::poll_fileno,
2551	poll => 'r',
2552	prio => 0,
2553	data => WF_AUTOCANCEL,
2554	cb => \&BDB::poll_cb,
2555	);
2556	BDB::min_parallel 8;	3827	BDB::min_parallel 8;
2557		3828	BDB::max_poll_reqs $TICK * 0.1;
2558	BDB::set_sync_prepare {	3829	$AnyEvent::BDB::WATCHER->priority (1);
2559	my $status;
2560	my $current = $Coro::current;
2561	(
2562	sub {
2563	$status = $!;
2564	$current->ready; undef $current;
2565	},
2566	sub {
2567	Coro::schedule while defined $current;
2568	$! = $status;
2569	},
2570	)
2571	};
2572		3830
2573	unless ($DB_ENV) {	3831	unless ($DB_ENV) {
2574	$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);
2575		3838
2576	cf::sync_job {	3839	cf::sync_job {
2577	eval {	3840	eval {
2578	BDB::db_env_open	3841	BDB::db_env_open
2579	$DB_ENV,	3842	$DB_ENV,
2580	$BDB_ENV_DIR,	3843	$BDBDIR,
2581	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
2582	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3845	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2583	0666;	3846	0666;
2584		3847
2585	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3848	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2586
2587	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2588	$DB_ENV->set_lk_detect;
2589	};	3849	};
2590		3850
2591	cf::cleanup "db_env_open(db): $@" if $@;	3851	cf::cleanup "db_env_open(db): $@" if $@;
2592	};	3852	};
2593	}	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	};
2594	}	3864	}
2595		3865
2596	{	3866	{
		3867	# configure IO::AIO
		3868
2597	IO::AIO::min_parallel 8;	3869	IO::AIO::min_parallel 8;
2598
2599	undef $Coro::AIO::WATCHER;
2600	IO::AIO::max_poll_time $TICK * 0.1;	3870	IO::AIO::max_poll_time $TICK * 0.1;
2601	$AIO_POLL_WATCHER = Event->io (	3871	undef $AnyEvent::AIO::WATCHER;
2602	reentrant => 0,
2603	fd => IO::AIO::poll_fileno,
2604	poll => 'r',
2605	prio => 6,
2606	data => WF_AUTOCANCEL,
2607	cb => \&IO::AIO::poll_cb,
2608	);
2609	}	3872	}
2610		3873
2611	$WRITE_RUNTIME_WATCHER = Event->timer (	3874	my $_log_backtrace;
2612	reentrant => 0,
2613	data => WF_AUTOCANCEL,
2614	parked => 1,
2615	after => 1,
2616	interval => 10,
2617	prio => 6, # keep it lowest so it acts like a watchdog
2618	cb => sub {
2619	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
2620		3875
2621	Coro::async_pool {	3876	sub _log_backtrace {
2622	write_runtime	3877	my ($msg, @addr) = @_;
2623	or warn "ERROR: unable to write runtime file: $!";	3878
		3879	$msg =~ s/\n//;
		3880
		3881	# limit the # of concurrent backtraces
		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;
2624	};	3907	};
		3908	} else {
		3909	LOG llevInfo, "[ABT] $msg\n";
		3910	LOG llevInfo, "[ABT] [suppressed]\n";
2625	},	3911	}
2626	);	3912	}
		3913
		3914	# load additional modules
		3915	use cf::pod;
2627		3916
2628	END { cf::emergency_save }	3917	END { cf::emergency_save }
2629		3918
2630	1	3919	1
2631		3920

Diff Legend

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