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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.186 by root, Sat Jan 20 01:12:39 2007 UTC vs.
Revision 1.444 by root, Mon Sep 8 11:27:25 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 3.4 ();	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 ();
		52	use BDB ();
20	use Data::Dumper;	53	use Data::Dumper;
21	use Digest::MD5;	54	use Digest::MD5;
22	use Fcntl;	55	use Fcntl;
		56	use YAML ();
23	use IO::AIO 2.32 ();	57	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	58	use Time::HiRes;
		59	use Compress::LZF;
		60	use Digest::MD5 ();
26		61
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		71
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		73
36	our %COMMAND = ();	74	our %COMMAND = ();
37	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
38		76
39	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
43		82
		83	our $RELOAD; # number of reloads so far
44	our @EVENT;	84	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		85
47	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	87	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	88	our $LIBDIR = "$DATADIR/ext";
50	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
51	our $NEXT_TICK;	101	our $NEXT_TICK;
52	our $NOW;	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
		106	our $BDB_TRICKLE_WATCHER;
		107	our $DB_ENV;
53		108
54	our %CFG;	109	our %CFG;
55		110
56	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
58		114
59	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	117	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		118
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $TICK_START; # for load detecting purposes
		126
70	binmode STDOUT;	127	binmode STDOUT;
71	binmode STDERR;	128	binmode STDERR;
72		129
73	# read virtual server time, if available	130	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	132	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	133	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	134	$RUNTIME = <$fh> + 0.;
78	}	135	}
79		136
80	mkdir cf::localdir;	137	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		139
86	our $EMERGENCY_POSITION;	140	our $EMERGENCY_POSITION;
		141
		142	sub cf::map::normalise;
87		143
88	#############################################################################	144	#############################################################################
89		145
90	=head2 GLOBAL VARIABLES	146	=head2 GLOBAL VARIABLES
91		147
…		…
98	=item $cf::RUNTIME	154	=item $cf::RUNTIME
99		155
100	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
101	every server tick.	157	every server tick.
102		158
103	=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
104		162
105	The perl library directory, where extensions and cf-specific modules can	163	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		167
108	=item $cf::NOW	168	=item $cf::NOW
109		169
110	The time of the last (current) server tick.	170	The time of the last (current) server tick.
111		171
112	=item $cf::TICK	172	=item $cf::TICK
113		173
114	The interval between server ticks, in seconds.	174	The interval between server ticks, in seconds.
115		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
116	=item %cf::CFG	186	=item %cf::CFG
117		187
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	189	from wherever your confdir points to.
120		190
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		192
123	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
124	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
125	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.
126	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.
127		202
128	=back	203	=back
129		204
130	=cut	205	=cut
131		206
132	BEGIN {	207	BEGIN {
133	*CORE::GLOBAL::warn = sub {	208	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	209	my $msg = join "", @_;
135	utf8::encode $msg;
136		210
137	$msg .= "\n"	211	$msg .= "\n"
138	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
139		213
		214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		215
140	LOG llevError, $msg;	216	LOG llevError, $msg;
141	};	217	};
142	}	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#?
143		234
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		242
151	# 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
152	# within the Safe compartment.	244	# within the Safe compartment.
153	for my $pkg (qw(	245	for my $pkg (qw(
154	cf::global cf::attachable	246	cf::global cf::attachable
155	cf::object cf::object::player	247	cf::object cf::object::player
156	cf::client cf::player	248	cf::client cf::player
157	cf::arch cf::living	249	cf::arch cf::living
		250	cf::map cf::mapspace
158	cf::map cf::party cf::region	251	cf::party cf::region
159	)) {	252	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	254	}
163		255
164	$Event::DIED = sub {	256	$EV::DIED = sub {
165	warn "error in event callback: @_";	257	warn "error in event callback: @_";
166	};	258	};
		259
		260	#############################################################################
167		261
168	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
169		263
170	=over 4	264	=over 4
171		265
…		…
190	$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;
191	$d	285	$d
192	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
193	}	287	}
194		288
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
198		290
199	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
200		292
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
209		294
210	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
211		296
212	=cut	297	=cut
213		298
214	sub to_json($) {	299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	300
216	JSON::Syck::Dump $_[0]	301	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	302	sub decode_json($) { $json_coder->decode ($_[0]) }
218		303
219	=item cf::lock_wait $string	304	=item cf::lock_wait $string
220		305
221	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
222		307
…		…
225	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
226	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,
227	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
228	returned.	313	returned.
229		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
230	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
231	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
232		320
		321	=item $locked = cf::lock_active $string
		322
		323	Return true if the lock is currently active, i.e. somebody has locked it.
		324
233	=cut	325	=cut
234		326
235	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
236		329
237	sub lock_wait($) {	330	sub lock_wait($) {
238	my ($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#
239		337
240	# wait for lock, if any	338	# wait for lock, if any
241	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	341	Coro::schedule;
…		…
249		347
250	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
251	lock_wait $key;	349	lock_wait $key;
252		350
253	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
254		353
255	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
258	}	358	}
259	}	359	}
260		360
		361	sub lock_active($) {
		362	my ($key) = @_;
		363
		364	! ! $LOCK{$key}
		365	}
		366
261	sub freeze_mainloop {	367	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
263		369
264	my $guard = Coro::guard {	370	Coro::guard \&tick_inhibit_dec;
265	$TICK_WATCHER->start;	371	}
266	$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($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
267	};	431	}
268	$WRITE_RUNTIME_WATCHER->stop;	432	};
269	$TICK_WATCHER->stop;	433
270	$guard	434	sub get_slot($;$$) {
		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	$sig->wait;
271	}	446	}
272		447
273	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
274		449
275	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		455
281	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
282		457
283	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
284		459
285	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
288		464
289	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
292	fast or be very important.	468	fast or be very important.
…		…
295		471
296	sub sync_job(&) {	472	sub sync_job(&) {
297	my ($job) = @_;	473	my ($job) = @_;
298		474
299	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
300	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
302		480
303	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	482
305	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
306		484
307	my $busy = 1;	485	my $busy = 1;
308	my @res;	486	my @res;
309		487
310	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	490	@res = eval { $job->() };
312	warn $@ if $@;	491	warn $@ if $@;
313	undef $busy;	492	undef $busy;
314	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
315		494
316	while ($busy) {	495	while ($busy) {
317	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
318	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
319		506
320	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
321	} else {	508	} else {
322	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
323		510
…		…
343	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
344		531
345	$coro	532	$coro
346	}	533	}
347		534
348	sub write_runtime {	535	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		536
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	Executes the given code block with the given arguments in a seperate
352	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.
353		541
354	my $value = $cf::RUNTIME + 90 + 10;	542	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		543
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	sub fork_call(&@) {
359	and return;	545	my ($cb, @args) = @_;
360		546
361	aio_fsync $fh	547	# we seemingly have to make a local copy of the whole thing,
362	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
363		550
364	close $fh	551	my @res = Coro::Util::fork_eval {
365	or return;	552	reset_signals;
		553	&$cb
		554	}, @args;
366		555
367	aio_rename "$runtime~", $runtime	556	wantarray ? @res : $res[-1]
368	and return;	557	}
369		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($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
370	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		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 });
371	}	722	}
372		723
373	=back	724	=back
374		725
375	=cut	726	=cut
…		…
382	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")
383	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
384		735
385	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>
386	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
387	crossfire+).	738	Deliantra).
388		739
389	=over 4	740	=over 4
390		741
391	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
392		743
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
556		907
557	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		912
562	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	914	my $pkg = shift @arg;
564		915
565	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
595	}	946	}
596		947
597	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
598	} else {	949	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	951	}
601		952
602	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
603	}	954	}
604		955
…		…
606	if (ref $_[0]) {	957	if (ref $_[0]) {
607	_object_attach @_;	958	_object_attach @_;
608	} else {	959	} else {
609	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
610	}	961	}
		962	_recalc_want;
611	};	963	};
612		964
613	# all those should be optimised	965	# all those should be optimised
614	sub cf::attachable::detach {	966	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
619	reattach ($obj);	971	reattach ($obj);
620	} else {	972	} else {
621	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
622	}	974	}
		975	_recalc_want;
623	};	976	};
624		977
625	sub cf::attachable::attached {	978	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
627		980
…		…
642	";	995	";
643	die if $@;	996	die if $@;
644	}	997	}
645		998
646	our $override;	999	our $override;
647	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?
648		1001
649	sub override {	1002	sub override {
650	$override = 1;	1003	$override = 1;
651	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
652	}	1005	}
653		1006
654	sub do_invoke {	1007	sub do_invoke {
655	my $event = shift;	1008	my $event = shift;
656	my $callbacks = shift;	1009	my $callbacks = shift;
657		1010
658	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
659		1012
660	local $override;	1013	local $override;
661		1014
662	for (@$callbacks) {	1015	for (@$callbacks) {
663	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
672	}	1025	}
673		1026
674	0	1027	0
675	}	1028	}
676		1029
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1031
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1033
681	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
682		1035
683	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
684	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
685	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1039
687	=back	1040	=back
688		1041
689	=cut	1042	=cut
690		1043
691	#############################################################################	1044	#############################################################################
692	# 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, $ob2
		1087	}
693		1088
694	sub reattach {	1089	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1091	my ($obj) = @_;
697		1092
		1093	# no longer needed after getting rid of delete_package?
698	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
699		1095
700	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
701		1097
702	@$registry = ();	1098	@$registry = ();
703		1099
…		…
718	cf::attachable->attach (	1114	cf::attachable->attach (
719	prio => -1000000,	1115	prio => -1000000,
720	on_instantiate => sub {	1116	on_instantiate => sub {
721	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
722		1118
723	$data = from_json $data;	1119	$data = decode_json $data;
724		1120
725	for (@$data) {	1121	for (@$data) {
726	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
727		1123
728	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1140	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
746		1142
747	sync_job {	1143	sync_job {
748	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
751		1148
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1152	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1153	aio_close $fh;
757		1154
758	if (@$objs) {	1155	if (@$objs) {
759	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) {
760	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1160	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1161	aio_close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
766	}	1163	}
767	} else {	1164	} else {
768	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
769	}	1166	}
…		…
774	}	1171	}
775	} else {	1172	} else {
776	aio_unlink $filename;	1173	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1174	aio_unlink "$filename.pst";
778	}	1175	}
779	}	1176	};
780	}	1177	}
781		1178
782	sub object_freezer_as_string {	1179	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1180	my ($rdata, $objs) = @_;
784		1181
…		…
796	or return;	1193	or return;
797		1194
798	unless (aio_stat "$filename.pst") {	1195	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1196	(aio_load "$filename.pst", $av) >= 0
800	or return;	1197	or return;
		1198
801	$av = eval { (Storable::thaw $av)->{objs} };	1199	my $st = eval { Coro::Storable::thaw $av };
		1200	$av = $st->{objs};
802	}	1201	}
803		1202
		1203	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1204	warn sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1205	$decname, length $data, scalar @{$av || []};
		1206
806	return ($data, $av);	1207	($data, $av)
807	}	1208	}
		1209
		1210	=head2 COMMAND CALLBACKS
		1211
		1212	=over 4
		1213
		1214	=cut
808		1215
809	#############################################################################	1216	#############################################################################
810	# command handling &c	1217	# command handling &c
811		1218
812	=item cf::register_command $name => \&callback($ob,$args);	1219	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1232	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1233	}
827		1234
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1235	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1236
830	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.
831		1242
832	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
833	called.	1244	called.
834		1245
		1246	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1247
		1248	Register a callback for execution when the client sends an (asynchronous)
		1249	exticmd packet. Exti commands are processed by the server as soon as they
		1250	are received, i.e. out of order w.r.t. other commands. The first argument
		1251	is a client socket. Exti commands can be received anytime, even before
		1252	log-in.
		1253
		1254	If the callback returns something, it is sent back as if reply was being
		1255	called.
		1256
835	=cut	1257	=cut
836		1258
837	sub register_extcmd {	1259	sub register_extcmd {
838	my ($name, $cb) = @_;	1260	my ($name, $cb) = @_;
839		1261
840	$EXTCMD{$name} = $cb;	1262	$EXTCMD{$name} = $cb;
		1263	}
		1264
		1265	sub register_exticmd {
		1266	my ($name, $cb) = @_;
		1267
		1268	$EXTICMD{$name} = $cb;
841	}	1269	}
842		1270
843	cf::player->attach (	1271	cf::player->attach (
844	on_command => sub {	1272	on_command => sub {
845	my ($pl, $name, $params) = @_;	1273	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1282	cf::override;
855	},	1283	},
856	on_extcmd => sub {	1284	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1285	my ($pl, $buf) = @_;
858		1286
859	my $msg = eval { from_json $buf };	1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1288
861	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
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1297	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1298	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1299	}
		1300
		1301	$pl->ext_reply ($reply, @reply)
		1302	if $reply;
		1303
867	} else {	1304	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1306	}
870		1307
871	cf::override;	1308	cf::override;
872	},	1309	},
873	);	1310	);
874		1311
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1312	sub load_extensions {
		1313	cf::sync_job {
		1314	my %todo;
		1315
910	for my $ext (<$LIBDIR/*.ext>) {	1316	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1317	next unless -r $path;
912	eval {	1318
913	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	$progress = 1;
914	1	1375	}
915	} or warn "$ext not loaded: $@";	1376
		1377	skip:
		1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1379	unless $progress;
		1380	}
916	}	1381	};
917	}	1382	}
918		1383
919	#############################################################################	1384	#############################################################################
920		1385
		1386	=back
		1387
921	=head2 CORE EXTENSIONS	1388	=head2 CORE EXTENSIONS
922		1389
923	Functions and methods that extend core crossfire objects.	1390	Functions and methods that extend core crossfire objects.
924		1391
925	=cut	1392	=cut
…		…
930		1397
931	=head3 cf::player	1398	=head3 cf::player
932		1399
933	=over 4	1400	=over 4
934		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
935	=item cf::player::find $login	1416	=item cf::player::find $login
936		1417
937	Returns the given player object, loading it if necessary (might block).	1418	Returns the given player object, loading it if necessary (might block).
938		1419
939	=cut	1420	=cut
940		1421
941	sub playerdir($) {	1422	sub playerdir($) {
942	cf::localdir	1423	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1424	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1425	}
948		1426
949	sub path($) {	1427	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1428	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1429
952	(playerdir $login) . "/$login.pl"	1430	(playerdir $login) . "/playerdata"
953	}	1431	}
954		1432
955	sub find_active($) {	1433	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1434	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1435	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1448	my $login = $_[0];
971		1449
972	my $guard = cf::lock_acquire "user_find:$login";	1450	my $guard = cf::lock_acquire "user_find:$login";
973		1451
974	$cf::PLAYER{$_[0]} || do {	1452	$cf::PLAYER{$_[0]} || do {
975	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
976	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;
977	$cf::PLAYER{$login} = $pl	1468	$cf::PLAYER{$login} = $pl
978	}	1469	}
979	}	1470	}
980	}	1471	}
981		1472
…		…
990	return if $pl->{deny_save};	1481	return if $pl->{deny_save};
991		1482
992	aio_mkdir playerdir $pl, 0770;	1483	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1484	$pl->{last_save} = $cf::RUNTIME;
994		1485
		1486	cf::get_slot 0.01;
		1487
995	$pl->save_pl ($path);	1488	$pl->save_pl ($path);
996	Coro::cede;	1489	cf::cede_to_tick;
997	}	1490	}
998		1491
999	sub new($) {	1492	sub new($) {
1000	my ($login) = @_;	1493	my ($login) = @_;
1001		1494
…		…
1007	$cf::PLAYER{$login} = $self;	1500	$cf::PLAYER{$login} = $self;
1008		1501
1009	$self	1502	$self
1010	}	1503	}
1011		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
1012	=item $pl->quit_character	1515	=item $pl->quit_character
1013		1516
1014	Nukes the player without looking back. If logged in, the connection will	1517	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1518	be destroyed. May block for a long time.
1016		1519
1017	=cut	1520	=cut
1018		1521
1019	sub quit_character {	1522	sub quit_character {
1020	my ($pl) = @_;	1523	my ($pl) = @_;
1021		1524
		1525	my $name = $pl->ob->name;
		1526
1022	$pl->{deny_save} = 1;	1527	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1528	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1024		1529
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1026	$pl->deactivate;	1531	$pl->deactivate;
		1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1533	$pl->ob->check_score;
1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1028	$pl->ns->destroy if $pl->ns;	1535	$pl->ns->destroy if $pl->ns;
1029		1536
1030	my $path = playerdir $pl;	1537	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1538	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1539	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1540	delete $cf::PLAYER{$pl->ob->name};
1034	$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
1035	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;
1036	}	1563	}
1037		1564
1038	=item cf::player::list_logins	1565	=item cf::player::list_logins
1039		1566
1040	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
1041	while and may block, so not sync_job-capable, ever.	1568	while and may block, so not sync_job-capable, ever.
1042		1569
1043	=cut	1570	=cut
1044		1571
1045	sub list_logins {	1572	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1573	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1574	or return [];
1048		1575
1049	my @logins;	1576	my @logins;
1050		1577
1051	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") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1584	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1585	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1586	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1587	}
1055		1588
1056	utf8::decode $login;	1589	utf8::decode $login;
1057	push @logins, $login;	1590	push @logins, $login;
1058	}	1591	}
1059		1592
…		…
1067		1600
1068	=cut	1601	=cut
1069		1602
1070	sub maps($) {	1603	sub maps($) {
1071	my ($pl) = @_;	1604	my ($pl) = @_;
		1605
		1606	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1607
1073	my $files = aio_readdir playerdir $pl	1608	my $files = aio_readdir playerdir $pl
1074	or return;	1609	or return;
1075		1610
1076	my @paths;	1611	my @paths;
…		…
1078	for (@$files) {	1613	for (@$files) {
1079	utf8::decode $_;	1614	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1615	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1616	next unless /^$PATH_SEP/o;
1082		1617
1083	s/\.map$//;	1618	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1619	}
1086		1620
1087	\@paths	1621	\@paths
1088	}	1622	}
1089		1623
		1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1625
		1626	Expand crossfire pod fragments into protocol xml.
		1627
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1628	=item $player->ext_reply ($msgid, @msg)
1091		1629
1092	Sends an ext reply to the player.	1630	Sends an ext reply to the player.
1093		1631
1094	=cut	1632	=cut
1095		1633
1096	sub ext_reply($$$%) {	1634	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1635	my ($self, $id, @msg) = @_;
1098		1636
1099	$msg{msgid} = $id;	1637	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1638	}
1103		1639
1104	package cf;	1640	=item $player->ext_msg ($type, @msg)
		1641
		1642	Sends an ext event to the client.
		1643
		1644	=cut
		1645
		1646	sub ext_msg($$@) {
		1647	my ($self, $type, @msg) = @_;
		1648
		1649	$self->ns->ext_msg ($type, @msg);
		1650	}
		1651
		1652	=head3 cf::region
		1653
		1654	=over 4
		1655
		1656	=cut
		1657
		1658	package cf::region;
		1659
		1660	=item cf::region::find_by_path $path
		1661
		1662	Tries to decuce the likely region for a map knowing only its path.
		1663
		1664	=cut
		1665
		1666	sub find_by_path($) {
		1667	my ($path) = @_;
		1668
		1669	my ($match, $specificity);
		1670
		1671	for my $region (list) {
		1672	if ($region->{match} && $path =~ $region->{match}) {
		1673	($match, $specificity) = ($region, $region->specificity)
		1674	if $region->specificity > $specificity;
		1675	}
		1676	}
		1677
		1678	$match
		1679	}
1105		1680
1106	=back	1681	=back
1107
1108		1682
1109	=head3 cf::map	1683	=head3 cf::map
1110		1684
1111	=over 4	1685	=over 4
1112		1686
…		…
1124	our $MAX_RESET = 3600;	1698	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1699	our $DEFAULT_RESET = 3000;
1126		1700
1127	sub generate_random_map {	1701	sub generate_random_map {
1128	my ($self, $rmp) = @_;	1702	my ($self, $rmp) = @_;
		1703
		1704	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1705
1129	# mit "rum" bekleckern, nicht	1706	# mit "rum" bekleckern, nicht
1130	$self->_create_random_map (	1707	$self->_create_random_map (
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1708	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1709	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1710	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1717	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region}), $rmp->{custom}	1718	(cf::region::find $rmp->{region}), $rmp->{custom}
1142	)	1719	)
1143	}	1720	}
1144		1721
		1722	=item cf::map->register ($regex, $prio)
		1723
		1724	Register a handler for the map path matching the given regex at the
		1725	givne priority (higher is better, built-in handlers have priority 0, the
		1726	default).
		1727
		1728	=cut
		1729
1145	sub register {	1730	sub register {
1146	my (undef, $regex) = @_;	1731	my (undef, $regex, $prio) = @_;
1147	my $pkg = caller;	1732	my $pkg = caller;
1148		1733
1149	no strict;	1734	no strict;
1150	push @{"$pkg\::ISA"}, __PACKAGE__;	1735	push @{"$pkg\::ISA"}, __PACKAGE__;
1151		1736
1152	$EXT_MAP{$pkg} = qr<$regex>;	1737	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1153	}	1738	}
1154		1739
1155	# also paths starting with '/'	1740	# also paths starting with '/'
1156	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1741	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1157		1742
1158	sub thawer_merge {	1743	sub thawer_merge {
1159	my ($self, $merge) = @_;	1744	my ($self, $merge) = @_;
1160		1745
1161	# we have to keep some variables in memory intact	1746	# we have to keep some variables in memory intact
1162	local $self->{path};	1747	local $self->{path};
1163	local $self->{load_path};	1748	local $self->{load_path};
1164	local $self->{deny_save};
1165	local $self->{deny_reset};
1166		1749
1167	$self->SUPER::thawer_merge ($merge);	1750	$self->SUPER::thawer_merge ($merge);
1168	}	1751	}
1169		1752
1170	sub normalise {	1753	sub normalise {
1171	my ($path, $base) = @_;	1754	my ($path, $base) = @_;
		1755
		1756	$path = "$path"; # make sure its a string
		1757
		1758	$path =~ s/\.map$//;
1172		1759
1173	# map plan:	1760	# map plan:
1174	#	1761	#
1175	# /! non-realised random map exit (special hack!)	1762	# /! non-realised random map exit (special hack!)
1176	# {... are special paths that are not being touched	1763	# {... are special paths that are not being touched
…		…
1204		1791
1205	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1792	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1206		1793
1207	$path = normalise $path, $base;	1794	$path = normalise $path, $base;
1208		1795
1209	for my $pkg (keys %EXT_MAP) {	1796	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1210	if ($path =~ $EXT_MAP{$pkg}) {	1797	if ($path =~ $EXT_MAP{$pkg}[1]) {
1211	my $self = bless cf::map::new, $pkg;	1798	my $self = bless cf::map::new, $pkg;
1212	$self->{path} = $path; $self->path ($path);	1799	$self->{path} = $path; $self->path ($path);
1213	$self->init; # pass $1 etc.	1800	$self->init; # pass $1 etc.
1214	return $self;	1801	return $self;
1215	}	1802	}
1216	}	1803	}
1217		1804
1218	Carp::carp "unable to resolve path '$path'.";	1805	Carp::cluck "unable to resolve path '$path' (base '$base').";
1219	()	1806	()
1220	}	1807	}
1221		1808
1222	sub init {	1809	sub init {
1223	my ($self) = @_;	1810	my ($self) = @_;
…		…
1238		1825
1239	# the original (read-only) location	1826	# the original (read-only) location
1240	sub load_path {	1827	sub load_path {
1241	my ($self) = @_;	1828	my ($self) = @_;
1242		1829
1243	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1830	"$MAPDIR/$self->{path}.map"
1244	}	1831	}
1245		1832
1246	# the temporary/swap location	1833	# the temporary/swap location
1247	sub save_path {	1834	sub save_path {
1248	my ($self) = @_;	1835	my ($self) = @_;
1249		1836
1250	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1837	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1251	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1838	"$TMPDIR/$path.map"
1252	}	1839	}
1253		1840
1254	# the unique path, undef == no special unique path	1841	# the unique path, undef == no special unique path
1255	sub uniq_path {	1842	sub uniq_path {
1256	my ($self) = @_;	1843	my ($self) = @_;
1257		1844
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1845	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1259	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1846	"$UNIQUEDIR/$path"
1260	}	1847	}
1261		1848
1262	# and all this just because we cannot iterate over	1849	# and all this just because we cannot iterate over
1263	# all maps in C++...	1850	# all maps in C++...
1264	sub change_all_map_light {	1851	sub change_all_map_light {
…		…
1266		1853
1267	$_->change_map_light ($change)	1854	$_->change_map_light ($change)
1268	for grep $_->outdoor, values %cf::MAP;	1855	for grep $_->outdoor, values %cf::MAP;
1269	}	1856	}
1270		1857
		1858	sub decay_objects {
		1859	my ($self) = @_;
		1860
		1861	return if $self->{deny_reset};
		1862
		1863	$self->do_decay_objects;
		1864	}
		1865
1271	sub unlink_save {	1866	sub unlink_save {
1272	my ($self) = @_;	1867	my ($self) = @_;
1273		1868
1274	utf8::encode (my $save = $self->save_path);	1869	utf8::encode (my $save = $self->save_path);
1275	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1870	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1278		1873
1279	sub load_header_from($) {	1874	sub load_header_from($) {
1280	my ($self, $path) = @_;	1875	my ($self, $path) = @_;
1281		1876
1282	utf8::encode $path;	1877	utf8::encode $path;
1283	aio_open $path, O_RDONLY, 0	1878	my $f = new_from_file cf::object::thawer $path
1284	or return;	1879	or return;
1285		1880
1286	$self->_load_header ($path)	1881	$self->_load_header ($f)
1287	or return;	1882	or return;
1288		1883
		1884	local $MAP_LOADING{$self->{path}} = $self;
		1885	$f->resolve_delayed_derefs;
		1886
1289	$self->{load_path} = $path;	1887	$self->{load_path} = $path;
1290		1888
1291	1	1889	1
1292	}	1890	}
1293		1891
1294	sub load_orig {	1892	sub load_header_orig {
1295	my ($self) = @_;	1893	my ($self) = @_;
1296		1894
1297	$self->load_header_from ($self->load_path)	1895	$self->load_header_from ($self->load_path)
1298	}	1896	}
1299		1897
1300	sub load_temp {	1898	sub load_header_temp {
1301	my ($self) = @_;	1899	my ($self) = @_;
1302		1900
1303	$self->load_header_from ($self->save_path)	1901	$self->load_header_from ($self->save_path)
		1902	}
		1903
		1904	sub prepare_temp {
		1905	my ($self) = @_;
		1906
		1907	$self->last_access ((delete $self->{last_access})
		1908	|| $cf::RUNTIME); #d#
		1909	# safety
		1910	$self->{instantiate_time} = $cf::RUNTIME
		1911	if $self->{instantiate_time} > $cf::RUNTIME;
		1912	}
		1913
		1914	sub prepare_orig {
		1915	my ($self) = @_;
		1916
		1917	$self->{load_original} = 1;
		1918	$self->{instantiate_time} = $cf::RUNTIME;
		1919	$self->last_access ($cf::RUNTIME);
		1920	$self->instantiate;
1304	}	1921	}
1305		1922
1306	sub load_header {	1923	sub load_header {
1307	my ($self) = @_;	1924	my ($self) = @_;
1308		1925
1309	if ($self->load_temp) {	1926	if ($self->load_header_temp) {
1310	$self->last_access ((delete $self->{last_access})	1927	$self->prepare_temp;
1311	|| $cf::RUNTIME); #d#
1312	# safety
1313	$self->{instantiate_time} = $cf::RUNTIME
1314	if $self->{instantiate_time} > $cf::RUNTIME;
1315	} else {	1928	} else {
1316	$self->load_orig	1929	$self->load_header_orig
1317	or return;	1930	or return;
1318		1931	$self->prepare_orig;
1319	$self->{load_original} = 1;
1320	$self->{instantiate_time} = $cf::RUNTIME;
1321	$self->last_access ($cf::RUNTIME);
1322	$self->instantiate;
1323	}	1932	}
		1933
		1934	$self->{deny_reset} = 1
		1935	if $self->no_reset;
		1936
		1937	$self->default_region (cf::region::find_by_path $self->{path})
		1938	unless $self->default_region;
1324		1939
1325	1	1940	1
1326	}	1941	}
1327		1942
1328	sub find;	1943	sub find;
1329	sub find {	1944	sub find {
1330	my ($path, $origin) = @_;	1945	my ($path, $origin) = @_;
1331		1946
1332	$path = normalise $path, $origin && $origin->path;	1947	$path = normalise $path, $origin && $origin->path;
1333		1948
		1949	cf::lock_wait "map_data:$path";#d#remove
1334	cf::lock_wait "map_find:$path";	1950	cf::lock_wait "map_find:$path";
1335		1951
1336	$cf::MAP{$path} || do {	1952	$cf::MAP{$path} || do {
		1953	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1337	my $guard = cf::lock_acquire "map_find:$path";	1954	my $guard2 = cf::lock_acquire "map_find:$path";
		1955
1338	my $map = new_from_path cf::map $path	1956	my $map = new_from_path cf::map $path
1339	or return;	1957	or return;
1340		1958
1341	$map->{last_save} = $cf::RUNTIME;	1959	$map->{last_save} = $cf::RUNTIME;
1342		1960
1343	$map->load_header	1961	$map->load_header
1344	or return;	1962	or return;
1345		1963
1346	if ($map->should_reset) {	1964	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1347	# doing this can freeze the server in a sync job, obviously	1965	# doing this can freeze the server in a sync job, obviously
1348	#$cf::WAIT_FOR_TICK->wait;	1966	#$cf::WAIT_FOR_TICK->wait;
		1967	undef $guard2;
		1968	undef $guard1;
1349	$map->reset;	1969	$map->reset;
1350	undef $guard;
1351	$map = find $path	1970	return find $path;
1352	or return;
1353	}	1971	}
1354		1972
1355	$cf::MAP{$path} = $map	1973	$cf::MAP{$path} = $map
1356	}	1974	}
1357	}	1975	}
		1976
		1977	sub pre_load { }
		1978	sub post_load { }
1358		1979
1359	sub load {	1980	sub load {
1360	my ($self) = @_;	1981	my ($self) = @_;
1361		1982
		1983	local $self->{deny_reset} = 1; # loading can take a long time
		1984
1362	my $path = $self->{path};	1985	my $path = $self->{path};
		1986
		1987	{
1363	my $guard = cf::lock_acquire "map_load:$path";	1988	my $guard = cf::lock_acquire "map_data:$path";
1364		1989
		1990	return unless $self->valid;
1365	return if $self->in_memory != cf::MAP_SWAPPED;	1991	return unless $self->in_memory == cf::MAP_SWAPPED;
1366		1992
1367	$self->in_memory (cf::MAP_LOADING);	1993	$self->in_memory (cf::MAP_LOADING);
1368		1994
1369	$self->alloc;	1995	$self->alloc;
1370	$self->_load_objects ($self->{load_path}, 1)	1996
		1997	$self->pre_load;
		1998	cf::cede_to_tick;
		1999
		2000	my $f = new_from_file cf::object::thawer $self->{load_path};
		2001	$f->skip_block;
		2002	$self->_load_objects ($f)
1371	or return;	2003	or return;
1372		2004
1373	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2005	$self->post_load_original
1374	if delete $self->{load_original};	2006	if delete $self->{load_original};
1375		2007
1376	if (my $uniq = $self->uniq_path) {	2008	if (my $uniq = $self->uniq_path) {
1377	utf8::encode $uniq;	2009	utf8::encode $uniq;
1378	if (aio_open $uniq, O_RDONLY, 0) {	2010	unless (aio_stat $uniq) {
		2011	if (my $f = new_from_file cf::object::thawer $uniq) {
1379	$self->clear_unique_items;	2012	$self->clear_unique_items;
1380	$self->_load_objects ($uniq, 0);	2013	$self->_load_objects ($f);
		2014	$f->resolve_delayed_derefs;
		2015	}
1381	}	2016	}
1382	}	2017	}
1383		2018
1384	Coro::cede;	2019	$f->resolve_delayed_derefs;
1385		2020
		2021	cf::cede_to_tick;
1386	# now do the right thing for maps	2022	# now do the right thing for maps
1387	$self->link_multipart_objects;	2023	$self->link_multipart_objects;
1388
1389	unless ($self->{deny_activate}) {
1390	$self->decay_objects;
1391	$self->fix_auto_apply;
1392	$self->update_buttons;
1393	Coro::cede;
1394	$self->set_darkness_map;
1395	$self->difficulty ($self->estimate_difficulty)	2024	$self->difficulty ($self->estimate_difficulty)
1396	unless $self->difficulty;	2025	unless $self->difficulty;
1397	Coro::cede;	2026	cf::cede_to_tick;
		2027
		2028	unless ($self->{deny_activate}) {
		2029	$self->decay_objects;
		2030	$self->fix_auto_apply;
		2031	$self->update_buttons;
		2032	cf::cede_to_tick;
		2033	$self->set_darkness_map;
		2034	cf::cede_to_tick;
1398	$self->activate;	2035	$self->activate;
1399	}	2036	}
1400		2037
		2038	$self->{last_save} = $cf::RUNTIME;
		2039	$self->last_access ($cf::RUNTIME);
		2040
1401	$self->in_memory (cf::MAP_IN_MEMORY);	2041	$self->in_memory (cf::MAP_ACTIVE);
		2042	}
		2043
		2044	$self->post_load;
1402	}	2045	}
1403		2046
1404	sub customise_for {	2047	sub customise_for {
1405	my ($self, $ob) = @_;	2048	my ($self, $ob) = @_;
1406		2049
1407	return find "~" . $ob->name . "/" . $self->{path}	2050	return find "~" . $ob->name . "/" . $self->{path}
1408	if $self->per_player;	2051	if $self->per_player;
1409		2052
		2053	# return find "?party/" . $ob->name . "/" . $self->{path}
		2054	# if $self->per_party;
		2055
1410	$self	2056	$self
1411	}	2057	}
1412		2058
1413	# find and load all maps in the 3x3 area around a map	2059	# find and load all maps in the 3x3 area around a map
1414	sub load_diag {	2060	sub load_neighbours {
1415	my ($map) = @_;	2061	my ($map) = @_;
1416		2062
1417	my @diag; # diagonal neighbours	2063	my @neigh; # diagonal neighbours
1418		2064
1419	for (0 .. 3) {	2065	for (0 .. 3) {
1420	my $neigh = $map->tile_path ($_)	2066	my $neigh = $map->tile_path ($_)
1421	or next;	2067	or next;
1422	$neigh = find $neigh, $map	2068	$neigh = find $neigh, $map
1423	or next;	2069	or next;
1424	$neigh->load;	2070	$neigh->load;
1425		2071
		2072	push @neigh,
1426	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2073	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1427	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2074	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1428	}	2075	}
1429		2076
1430	for (@diag) {	2077	for (grep defined $_->[0], @neigh) {
		2078	my ($path, $origin) = @$_;
1431	my $neigh = find @$_	2079	my $neigh = find $path, $origin
1432	or next;	2080	or next;
1433	$neigh->load;	2081	$neigh->load;
1434	}	2082	}
1435	}	2083	}
1436		2084
…		…
1441	}	2089	}
1442		2090
1443	sub do_load_sync {	2091	sub do_load_sync {
1444	my ($map) = @_;	2092	my ($map) = @_;
1445		2093
		2094	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2095	if $Coro::current == $Coro::main;
		2096
1446	cf::sync_job { $map->load };	2097	cf::sync_job { $map->load };
1447	}	2098	}
1448		2099
1449	our %MAP_PREFETCH;	2100	our %MAP_PREFETCH;
1450	our $MAP_PREFETCHER = undef;	2101	our $MAP_PREFETCHER = undef;
1451		2102
1452	sub find_async {	2103	sub find_async {
1453	my ($path, $origin) = @_;	2104	my ($path, $origin, $load) = @_;
1454		2105
1455	$path = normalise $path, $origin && $origin->{path};	2106	$path = normalise $path, $origin && $origin->{path};
1456		2107
1457	if (my $map = $cf::MAP{$path}) {	2108	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2109	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1459	}	2110	}
1460		2111
1461	undef $MAP_PREFETCH{$path};	2112	$MAP_PREFETCH{$path} |= $load;
		2113
1462	$MAP_PREFETCHER ||= cf::async {	2114	$MAP_PREFETCHER ||= cf::async {
		2115	$Coro::current->{desc} = "map prefetcher";
		2116
1463	while (%MAP_PREFETCH) {	2117	while (%MAP_PREFETCH) {
1464	for my $path (keys %MAP_PREFETCH) {	2118	while (my ($k, $v) = each %MAP_PREFETCH) {
1465	my $map = find $path	2119	if (my $map = find $k) {
1466	or next;
1467	$map->load;	2120	$map->load if $v;
		2121	}
1468		2122
1469	delete $MAP_PREFETCH{$path};	2123	delete $MAP_PREFETCH{$k};
1470	}	2124	}
1471	}	2125	}
1472	undef $MAP_PREFETCHER;	2126	undef $MAP_PREFETCHER;
1473	};	2127	};
		2128	$MAP_PREFETCHER->prio (6);
1474		2129
1475	()	2130	()
1476	}	2131	}
1477		2132
1478	sub save {	2133	sub save {
1479	my ($self) = @_;	2134	my ($self) = @_;
1480		2135
1481	my $lock = cf::lock_acquire "map_data:" . $self->path;	2136	my $lock = cf::lock_acquire "map_data:$self->{path}";
1482		2137
1483	$self->{last_save} = $cf::RUNTIME;	2138	$self->{last_save} = $cf::RUNTIME;
1484		2139
1485	return unless $self->dirty;	2140	return unless $self->dirty;
1486		2141
…		…
1492	return if $self->{deny_save};	2147	return if $self->{deny_save};
1493		2148
1494	local $self->{last_access} = $self->last_access;#d#	2149	local $self->{last_access} = $self->last_access;#d#
1495		2150
1496	cf::async {	2151	cf::async {
		2152	$Coro::current->{desc} = "map player save";
1497	$_->contr->save for $self->players;	2153	$_->contr->save for $self->players;
1498	};	2154	};
		2155
		2156	cf::get_slot 0.02;
1499		2157
1500	if ($uniq) {	2158	if ($uniq) {
1501	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2159	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1502	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2160	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1503	} else {	2161	} else {
…		…
1509	my ($self) = @_;	2167	my ($self) = @_;
1510		2168
1511	# save first because save cedes	2169	# save first because save cedes
1512	$self->save;	2170	$self->save;
1513		2171
1514	my $lock = cf::lock_acquire "map_data:" . $self->path;	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1515		2173
1516	return if $self->players;	2174	return if $self->players;
1517	return if $self->in_memory != cf::MAP_IN_MEMORY;	2175	return if $self->in_memory != cf::MAP_ACTIVE;
1518	return if $self->{deny_save};	2176	return if $self->{deny_save};
1519		2177
		2178	$self->in_memory (cf::MAP_SWAPPED);
		2179
		2180	$self->deactivate;
		2181	$_->clear_links_to ($self) for values %cf::MAP;
1520	$self->clear;	2182	$self->clear;
1521	$self->in_memory (cf::MAP_SWAPPED);
1522	}	2183	}
1523		2184
1524	sub reset_at {	2185	sub reset_at {
1525	my ($self) = @_;	2186	my ($self) = @_;
1526		2187
1527	# TODO: safety, remove and allow resettable per-player maps	2188	# TODO: safety, remove and allow resettable per-player maps
1528	return 1e99 if $self->isa ("ext::map_per_player");#d#
1529	return 1e99 if $self->{deny_reset};	2189	return 1e99 if $self->{deny_reset};
1530		2190
1531	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2191	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1532	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2192	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1533		2193
…		…
1544	my ($self) = @_;	2204	my ($self) = @_;
1545		2205
1546	my $lock = cf::lock_acquire "map_data:$self->{path}";	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1547		2207
1548	return if $self->players;	2208	return if $self->players;
1549	return if $self->isa ("ext::map_per_player");#d#
1550		2209
1551	warn "resetting map ", $self->path;#d#	2210	warn "resetting map ", $self->path;
		2211
		2212	$self->in_memory (cf::MAP_SWAPPED);
		2213
		2214	# need to save uniques path
		2215	unless ($self->{deny_save}) {
		2216	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2217
		2218	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2219	if $uniq;
		2220	}
1552		2221
1553	delete $cf::MAP{$self->path};	2222	delete $cf::MAP{$self->path};
1554		2223
1555	$self->in_memory (cf::MAP_SWAPPED);	2224	$self->deactivate;
		2225	$_->clear_links_to ($self) for values %cf::MAP;
1556	$self->clear;	2226	$self->clear;
1557
1558	$_->clear_links_to ($self) for values %cf::MAP;
1559		2227
1560	$self->unlink_save;	2228	$self->unlink_save;
1561	$self->destroy;	2229	$self->destroy;
1562	}	2230	}
1563		2231
1564	my $nuke_counter = "aaaa";	2232	my $nuke_counter = "aaaa";
1565		2233
1566	sub nuke {	2234	sub nuke {
1567	my ($self) = @_;	2235	my ($self) = @_;
1568		2236
		2237	{
		2238	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2239
1569	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
1570		2241
1571	$self->unlink_save;	2242	$self->unlink_save;
1572		2243
1573	bless $self, "cf::map";	2244	bless $self, "cf::map";
1574	delete $self->{deny_reset};	2245	delete $self->{deny_reset};
1575	$self->{deny_save} = 1;	2246	$self->{deny_save} = 1;
1576	$self->reset_timeout (1);	2247	$self->reset_timeout (1);
1577	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2248	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1578		2249
1579	$cf::MAP{$self->path} = $self;	2250	$cf::MAP{$self->path} = $self;
		2251	}
1580		2252
1581	$self->reset; # polite request, might not happen	2253	$self->reset; # polite request, might not happen
		2254	}
		2255
		2256	=item $maps = cf::map::tmp_maps
		2257
		2258	Returns an arrayref with all map paths of currently instantiated and saved
		2259	maps. May block.
		2260
		2261	=cut
		2262
		2263	sub tmp_maps() {
		2264	[
		2265	map {
		2266	utf8::decode $_;
		2267	/\.map$/
		2268	? normalise $_
		2269	: ()
		2270	} @{ aio_readdir $TMPDIR or [] }
		2271	]
		2272	}
		2273
		2274	=item $maps = cf::map::random_maps
		2275
		2276	Returns an arrayref with all map paths of currently instantiated and saved
		2277	random maps. May block.
		2278
		2279	=cut
		2280
		2281	sub random_maps() {
		2282	[
		2283	map {
		2284	utf8::decode $_;
		2285	/\.map$/
		2286	? normalise "?random/$_"
		2287	: ()
		2288	} @{ aio_readdir $RANDOMDIR or [] }
		2289	]
1582	}	2290	}
1583		2291
1584	=item cf::map::unique_maps	2292	=item cf::map::unique_maps
1585		2293
1586	Returns an arrayref of paths of all shared maps that have	2294	Returns an arrayref of paths of all shared maps that have
1587	instantiated unique items. May block.	2295	instantiated unique items. May block.
1588		2296
1589	=cut	2297	=cut
1590		2298
1591	sub unique_maps() {	2299	sub unique_maps() {
1592	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2300	[
1593	or return;	2301	map {
1594
1595	my @paths;
1596
1597	for (@$files) {
1598	utf8::decode $_;	2302	utf8::decode $_;
1599	next if /\.pst$/;	2303	s/\.map$//; # TODO future compatibility hack
1600	next unless /^$PATH_SEP/o;	2304	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1601		2305	? ()
1602	s/\.map$//;	2306	: normalise $_
1603	push @paths, $_;	2307	} @{ aio_readdir $UNIQUEDIR or [] }
1604	}	2308	]
1605
1606	\@paths
1607	}	2309	}
1608
1609	package cf;
1610		2310
1611	=back	2311	=back
1612		2312
1613	=head3 cf::object	2313	=head3 cf::object
1614		2314
…		…
1618		2318
1619	=over 4	2319	=over 4
1620		2320
1621	=item $ob->inv_recursive	2321	=item $ob->inv_recursive
1622		2322
1623	Returns the inventory of the object _and_ their inventories, recursively.	2323	Returns the inventory of the object I<and> their inventories, recursively,
		2324	but I<not> the object itself.
1624		2325
1625	=cut	2326	=cut
1626		2327
1627	sub inv_recursive_;	2328	sub inv_recursive_;
1628	sub inv_recursive_ {	2329	sub inv_recursive_ {
…		…
1631		2332
1632	sub inv_recursive {	2333	sub inv_recursive {
1633	inv_recursive_ inv $_[0]	2334	inv_recursive_ inv $_[0]
1634	}	2335	}
1635		2336
		2337	=item $ref = $ob->ref
		2338
		2339	Creates and returns a persistent reference to an object that can be stored as a string.
		2340
		2341	=item $ob = cf::object::deref ($refstring)
		2342
		2343	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2344	even if the object actually exists. May block.
		2345
		2346	=cut
		2347
		2348	sub deref {
		2349	my ($ref) = @_;
		2350
		2351	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2352	my ($uuid, $name) = ($1, $2);
		2353	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2354	or return;
		2355	$pl->ob->uuid eq $uuid
		2356	or return;
		2357
		2358	$pl->ob
		2359	} else {
		2360	warn "$ref: cannot resolve object reference\n";
		2361	undef
		2362	}
		2363	}
		2364
1636	package cf;	2365	package cf;
1637		2366
1638	=back	2367	=back
1639		2368
1640	=head3 cf::object::player	2369	=head3 cf::object::player
…		…
1646	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2375	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1647	can be C<undef>. Does the right thing when the player is currently in a	2376	can be C<undef>. Does the right thing when the player is currently in a
1648	dialogue with the given NPC character.	2377	dialogue with the given NPC character.
1649		2378
1650	=cut	2379	=cut
		2380
		2381	our $SAY_CHANNEL = {
		2382	id => "say",
		2383	title => "Map",
		2384	reply => "say ",
		2385	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2386	};
		2387
		2388	our $CHAT_CHANNEL = {
		2389	id => "chat",
		2390	title => "Chat",
		2391	reply => "chat ",
		2392	tooltip => "Player chat and shouts, global to the server.",
		2393	};
1651		2394
1652	# rough implementation of a future "reply" method that works	2395	# rough implementation of a future "reply" method that works
1653	# with dialog boxes.	2396	# with dialog boxes.
1654	#TODO: the first argument must go, split into a $npc->reply_to ( method	2397	#TODO: the first argument must go, split into a $npc->reply_to ( method
1655	sub cf::object::player::reply($$$;$) {	2398	sub cf::object::player::reply($$$;$) {
…		…
1657		2400
1658	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2401	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1659		2402
1660	if ($self->{record_replies}) {	2403	if ($self->{record_replies}) {
1661	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2404	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2405
1662	} else {	2406	} else {
		2407	my $pl = $self->contr;
		2408
		2409	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2410	my $dialog = $pl->{npc_dialog};
		2411	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2412
		2413	} else {
1663	$msg = $npc->name . " says: $msg" if $npc;	2414	$msg = $npc->name . " says: $msg" if $npc;
1664	$self->message ($msg, $flags);	2415	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2416	}
1665	}	2417	}
		2418	}
		2419
		2420	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2421
		2422	=cut
		2423
		2424	sub cf::object::send_msg {
		2425	my $pl = shift->contr
		2426	or return;
		2427	$pl->send_msg (@_);
1666	}	2428	}
1667		2429
1668	=item $player_object->may ("access")	2430	=item $player_object->may ("access")
1669		2431
1670	Returns wether the given player is authorized to access resource "access"	2432	Returns wether the given player is authorized to access resource "access"
…		…
1702	=cut	2464	=cut
1703		2465
1704	sub link_map {	2466	sub link_map {
1705	unless ($LINK_MAP) {	2467	unless ($LINK_MAP) {
1706	$LINK_MAP = cf::map::find "{link}"	2468	$LINK_MAP = cf::map::find "{link}"
1707	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2469	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1708	$LINK_MAP->load;	2470	$LINK_MAP->load;
1709	}	2471	}
1710		2472
1711	$LINK_MAP	2473	$LINK_MAP
1712	}	2474	}
…		…
1717	$self->deactivate_recursive;	2479	$self->deactivate_recursive;
1718		2480
1719	return if UNIVERSAL::isa $self->map, "ext::map_link";	2481	return if UNIVERSAL::isa $self->map, "ext::map_link";
1720		2482
1721	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2483	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1722	if $self->map;	2484	if $self->map && $self->map->{path} ne "{link}";
1723		2485
1724	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2486	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1725	}	2487	}
1726		2488
1727	sub cf::object::player::leave_link {	2489	sub cf::object::player::leave_link {
1728	my ($self, $map, $x, $y) = @_;	2490	my ($self, $map, $x, $y) = @_;
		2491
		2492	return unless $self->contr->active;
1729		2493
1730	my $link_pos = delete $self->{_link_pos};	2494	my $link_pos = delete $self->{_link_pos};
1731		2495
1732	unless ($map) {	2496	unless ($map) {
1733	# restore original map position	2497	# restore original map position
…		…
1747	# use -1 or undef as default coordinates, not 0, 0	2511	# use -1 or undef as default coordinates, not 0, 0
1748	($x, $y) = ($map->enter_x, $map->enter_y)	2512	($x, $y) = ($map->enter_x, $map->enter_y)
1749	if $x <=0 && $y <= 0;	2513	if $x <=0 && $y <= 0;
1750		2514
1751	$map->load;	2515	$map->load;
1752	$map->load_diag;	2516	$map->load_neighbours;
1753		2517
1754	return unless $self->contr->active;	2518	return unless $self->contr->active;
1755	$self->activate_recursive;	2519	$self->activate_recursive;
		2520
		2521	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1756	$self->enter_map ($map, $x, $y);	2522	$self->enter_map ($map, $x, $y);
1757	}	2523	}
1758		2524
1759	cf::player->attach (	2525	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1760	on_logout => sub {
1761	my ($pl) = @_;
1762		2526
1763	# abort map switching before logout	2527	Moves the player to the given map-path and coordinates by first freezing
1764	if ($pl->ob->{_link_pos}) {	2528	her, loading and preparing them map, calling the provided $check callback
1765	cf::sync_job {	2529	that has to return the map if sucecssful, and then unfreezes the player on
1766	$pl->ob->leave_link	2530	the new (success) or old (failed) map position. In either case, $done will
1767	};	2531	be called at the end of this process.
1768	}
1769	},
1770	on_login => sub {
1771	my ($pl) = @_;
1772		2532
1773	# try to abort aborted map switching on player login :)	2533	Note that $check will be called with a potentially non-loaded map, so if
1774	# should happen only on crashes	2534	it needs a loaded map it has to call C<< ->load >>.
1775	if ($pl->ob->{_link_pos}) {
1776	$pl->ob->enter_link;
1777	(async {
1778	# we need this sleep as the login has a concurrent enter_exit running
1779	# and this sleep increases chances of the player not ending up in scorn
1780	$pl->ob->reply (undef,
1781	"There was an internal problem at your last logout, "
1782	. "the server will try to bring you to your intended destination in a second.",
1783	cf::NDI_RED);
1784	Coro::Timer::sleep 1;
1785	$pl->ob->leave_link;
1786	})->prio (2);
1787	}
1788	},
1789	);
1790		2535
1791	=item $player_object->goto ($path, $x, $y)
1792
1793	=cut	2536	=cut
		2537
		2538	our $GOTOGEN;
1794		2539
1795	sub cf::object::player::goto {	2540	sub cf::object::player::goto {
1796	my ($self, $path, $x, $y) = @_;	2541	my ($self, $path, $x, $y, $check, $done) = @_;
		2542
		2543	# do generation counting so two concurrent goto's will be executed in-order
		2544	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1797		2545
1798	$self->enter_link;	2546	$self->enter_link;
1799		2547
1800	(async {	2548	(async {
1801	my $map = cf::map::find $path;	2549	$Coro::current->{desc} = "player::goto $path $x $y";
		2550
		2551	# *tag paths override both path and x|y
		2552	if ($path =~ /^\*(.*)$/) {
		2553	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2554	my $ob = $obs[rand @obs];
		2555
		2556	# see if we actually can go there
		2557	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2558	$ob = $obs[rand @obs];
		2559	} else {
		2560	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2561	}
		2562	# else put us there anyways for now #d#
		2563
		2564	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2565	} else {
		2566	($path, $x, $y) = (undef, undef, undef);
		2567	}
		2568	}
		2569
		2570	my $map = eval {
		2571	my $map = defined $path ? cf::map::find $path : undef;
		2572
		2573	if ($map) {
1802	$map = $map->customise_for ($self) if $map;	2574	$map = $map->customise_for ($self);
1803		2575	$map = $check->($map) if $check && $map;
1804	# warn "entering ", $map->path, " at ($x, $y)\n"	2576	} else {
1805	# if $map;
1806
1807	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2577	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2578	}
1808		2579
		2580	$map
		2581	};
		2582
		2583	if ($@) {
		2584	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2585	LOG llevError | logBacktrace, Carp::longmess $@;
		2586	}
		2587
		2588	if ($gen == $self->{_goto_generation}) {
		2589	delete $self->{_goto_generation};
1809	$self->leave_link ($map, $x, $y);	2590	$self->leave_link ($map, $x, $y);
		2591	}
		2592
		2593	$done->() if $done;
1810	})->prio (1);	2594	})->prio (1);
1811	}	2595	}
1812		2596
1813	=item $player_object->enter_exit ($exit_object)	2597	=item $player_object->enter_exit ($exit_object)
1814		2598
…		…
1834	}	2618	}
1835		2619
1836	sub prepare_random_map {	2620	sub prepare_random_map {
1837	my ($exit) = @_;	2621	my ($exit) = @_;
1838		2622
1839	my $guard = cf::lock_acquire "exit_prepare:$exit";
1840
1841	# all this does is basically replace the /! path by	2623	# all this does is basically replace the /! path by
1842	# a new random map path (?random/...) with a seed	2624	# a new random map path (?random/...) with a seed
1843	# that depends on the exit object	2625	# that depends on the exit object
1844		2626
1845	my $rmp = parse_random_map_params $exit->msg;	2627	my $rmp = parse_random_map_params $exit->msg;
1846		2628
1847	if ($exit->map) {	2629	if ($exit->map) {
1848	$rmp->{region} = $exit->map->region_name;	2630	$rmp->{region} = $exit->region->name;
1849	$rmp->{origin_map} = $exit->map->path;	2631	$rmp->{origin_map} = $exit->map->path;
1850	$rmp->{origin_x} = $exit->x;	2632	$rmp->{origin_x} = $exit->x;
1851	$rmp->{origin_y} = $exit->y;	2633	$rmp->{origin_y} = $exit->y;
		2634
		2635	$exit->map->touch;
1852	}	2636	}
1853		2637
1854	$rmp->{random_seed} ||= $exit->random_seed;	2638	$rmp->{random_seed} ||= $exit->random_seed;
1855		2639
1856	my $data = cf::to_json $rmp;	2640	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1857	my $md5 = Digest::MD5::md5_hex $data;	2641	my $md5 = Digest::MD5::md5_hex $data;
1858	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2642	my $meta = "$RANDOMDIR/$md5.meta";
1859		2643
1860	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2644	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1861	aio_write $fh, 0, (length $data), $data, 0;	2645	aio_write $fh, 0, (length $data), $data, 0;
1862	undef $fh;	2646	undef $fh;
1863	aio_rename "$meta~", $meta;	2647	aio_rename "$meta~", $meta;
1864		2648
		2649	my $slaying = "?random/$md5";
		2650
		2651	if ($exit->valid) {
1865	$exit->slaying ("?random/$md5");	2652	$exit->slaying ("?random/$md5");
1866	$exit->msg (undef);	2653	$exit->msg (undef);
		2654	}
1867	}	2655	}
1868	}	2656	}
1869		2657
1870	sub cf::object::player::enter_exit {	2658	sub cf::object::player::enter_exit {
1871	my ($self, $exit) = @_;	2659	my ($self, $exit) = @_;
…		…
1873	return unless $self->type == cf::PLAYER;	2661	return unless $self->type == cf::PLAYER;
1874		2662
1875	$self->enter_link;	2663	$self->enter_link;
1876		2664
1877	(async {	2665	(async {
1878	$self->deactivate_recursive; # just to be sure	2666	$Coro::current->{desc} = "enter_exit";
		2667
1879	unless (eval {	2668	unless (eval {
		2669	$self->deactivate_recursive; # just to be sure
		2670
		2671	# random map handling
		2672	{
		2673	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2674
1880	prepare_random_map $exit	2675	prepare_random_map $exit
1881	if $exit->slaying eq "/!";	2676	if $exit->slaying eq "/!";
		2677	}
1882		2678
1883	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2679	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1884	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2680	my $x = $exit->stats->hp;
		2681	my $y = $exit->stats->sp;
1885		2682
		2683	$self->goto ($map, $x, $y);
		2684
		2685	# if exit is damned, update players death & WoR home-position
		2686	$self->contr->savebed ($map, $x, $y)
		2687	if $exit->flag (cf::FLAG_DAMNED);
		2688
1886	1;	2689	1
1887	}) {	2690	}) {
1888	$self->message ("Something went wrong deep within the crossfire server. "	2691	$self->message ("Something went wrong deep within the crossfire server. "
1889	. "I'll try to bring you back to the map you were before. "	2692	. "I'll try to bring you back to the map you were before. "
1890	. "Please report this to the dungeon master!",	2693	. "Please report this to the dungeon master!",
1891	cf::NDI_UNIQUE | cf::NDI_RED);	2694	cf::NDI_UNIQUE | cf::NDI_RED);
1892		2695
1893	warn "ERROR in enter_exit: $@";	2696	warn "ERROR in enter_exit: $@";
1894	$self->leave_link;	2697	$self->leave_link;
1895	}	2698	}
1896	})->prio (1);	2699	})->prio (1);
…		…
1909		2712
1910	sub cf::client::send_drawinfo {	2713	sub cf::client::send_drawinfo {
1911	my ($self, $text, $flags) = @_;	2714	my ($self, $text, $flags) = @_;
1912		2715
1913	utf8::encode $text;	2716	utf8::encode $text;
1914	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2717	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1915	}	2718	}
1916		2719
		2720	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2721
		2722	Send a drawinfo or msg packet to the client, formatting the msg for the
		2723	client if neccessary. C<$type> should be a string identifying the type of
		2724	the message, with C<log> being the default. If C<$color> is negative, suppress
		2725	the message unless the client supports the msg packet.
		2726
		2727	=cut
		2728
		2729	# non-persistent channels (usually the info channel)
		2730	our %CHANNEL = (
		2731	"c/identify" => {
		2732	id => "infobox",
		2733	title => "Identify",
		2734	reply => undef,
		2735	tooltip => "Items recently identified",
		2736	},
		2737	"c/examine" => {
		2738	id => "infobox",
		2739	title => "Examine",
		2740	reply => undef,
		2741	tooltip => "Signs and other items you examined",
		2742	},
		2743	"c/book" => {
		2744	id => "infobox",
		2745	title => "Book",
		2746	reply => undef,
		2747	tooltip => "The contents of a note or book",
		2748	},
		2749	"c/lookat" => {
		2750	id => "infobox",
		2751	title => "Look",
		2752	reply => undef,
		2753	tooltip => "What you saw there",
		2754	},
		2755	"c/who" => {
		2756	id => "infobox",
		2757	title => "Players",
		2758	reply => undef,
		2759	tooltip => "Shows players who are currently online",
		2760	},
		2761	"c/body" => {
		2762	id => "infobox",
		2763	title => "Body Parts",
		2764	reply => undef,
		2765	tooltip => "Shows which body parts you posess and are available",
		2766	},
		2767	"c/uptime" => {
		2768	id => "infobox",
		2769	title => "Uptime",
		2770	reply => undef,
		2771	tooltip => "How long the server has been running since last restart",
		2772	},
		2773	"c/mapinfo" => {
		2774	id => "infobox",
		2775	title => "Map Info",
		2776	reply => undef,
		2777	tooltip => "Information related to the maps",
		2778	},
		2779	"c/party" => {
		2780	id => "party",
		2781	title => "Party",
		2782	reply => "gsay ",
		2783	tooltip => "Messages and chat related to your party",
		2784	},
		2785	);
		2786
		2787	sub cf::client::send_msg {
		2788	my ($self, $channel, $msg, $color, @extra) = @_;
		2789
		2790	$msg = $self->pl->expand_cfpod ($msg);
		2791
		2792	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2793
		2794	# check predefined channels, for the benefit of C
		2795	if ($CHANNEL{$channel}) {
		2796	$channel = $CHANNEL{$channel};
		2797
		2798	$self->ext_msg (channel_info => $channel)
		2799	if $self->can_msg;
		2800
		2801	$channel = $channel->{id};
		2802
		2803	} elsif (ref $channel) {
		2804	# send meta info to client, if not yet sent
		2805	unless (exists $self->{channel}{$channel->{id}}) {
		2806	$self->{channel}{$channel->{id}} = $channel;
		2807	$self->ext_msg (channel_info => $channel)
		2808	if $self->can_msg;
		2809	}
		2810
		2811	$channel = $channel->{id};
		2812	}
		2813
		2814	return unless @extra || length $msg;
		2815
		2816	if ($self->can_msg) {
		2817	# default colour, mask it out
		2818	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2819	if $color & cf::NDI_DEF;
		2820
		2821	my $pkt = "msg "
		2822	. $self->{json_coder}->encode (
		2823	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2824	);
		2825
		2826	# try lzf for large packets
		2827	$pkt = "lzf " . Compress::LZF::compress $pkt
		2828	if 1024 <= length $pkt and $self->{can_lzf};
		2829
		2830	# split very large packets
		2831	if (8192 < length $pkt and $self->{can_lzf}) {
		2832	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2833	$pkt = "frag";
		2834	}
		2835
		2836	$self->send_packet ($pkt);
		2837	} else {
		2838	if ($color >= 0) {
		2839	# replace some tags by gcfclient-compatible ones
		2840	for ($msg) {
		2841	1 while
		2842	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2843	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2844	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2845	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2846	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2847	}
		2848
		2849	$color &= cf::NDI_COLOR_MASK;
		2850
		2851	utf8::encode $msg;
		2852
		2853	if (0 && $msg =~ /\[/) {
		2854	# COMMAND/INFO
		2855	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2856	} else {
		2857	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2858	$self->send_packet ("drawinfo $color $msg")
		2859	}
		2860	}
		2861	}
		2862	}
		2863
		2864	=item $client->ext_msg ($type, @msg)
		2865
		2866	Sends an ext event to the client.
		2867
		2868	=cut
		2869
		2870	sub cf::client::ext_msg($$@) {
		2871	my ($self, $type, @msg) = @_;
		2872
		2873	if ($self->extcmd == 2) {
		2874	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2875	} elsif ($self->extcmd == 1) { # TODO: remove
		2876	push @msg, msgtype => "event_$type";
		2877	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2878	}
		2879	}
		2880
		2881	=item $client->ext_reply ($msgid, @msg)
		2882
		2883	Sends an ext reply to the client.
		2884
		2885	=cut
		2886
		2887	sub cf::client::ext_reply($$@) {
		2888	my ($self, $id, @msg) = @_;
		2889
		2890	if ($self->extcmd == 2) {
		2891	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2892	} elsif ($self->extcmd == 1) {
		2893	#TODO: version 1, remove
		2894	unshift @msg, msgtype => "reply", msgid => $id;
		2895	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2896	}
		2897	}
1917		2898
1918	=item $success = $client->query ($flags, "text", \&cb)	2899	=item $success = $client->query ($flags, "text", \&cb)
1919		2900
1920	Queues a query to the client, calling the given callback with	2901	Queues a query to the client, calling the given callback with
1921	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2902	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1922	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2903	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1923		2904
1924	Queries can fail, so check the return code. Or don't, as queries will become	2905	Queries can fail, so check the return code. Or don't, as queries will
1925	reliable at some point in the future.	2906	become reliable at some point in the future.
1926		2907
1927	=cut	2908	=cut
1928		2909
1929	sub cf::client::query {	2910	sub cf::client::query {
1930	my ($self, $flags, $text, $cb) = @_;	2911	my ($self, $flags, $text, $cb) = @_;
…		…
1938	utf8::encode $text;	2919	utf8::encode $text;
1939	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2920	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1940		2921
1941	$self->send_packet ($self->{query_queue}[0][0])	2922	$self->send_packet ($self->{query_queue}[0][0])
1942	if @{ $self->{query_queue} } == 1;	2923	if @{ $self->{query_queue} } == 1;
		2924
		2925	1
1943	}	2926	}
1944		2927
1945	cf::client->attach (	2928	cf::client->attach (
		2929	on_connect => sub {
		2930	my ($ns) = @_;
		2931
		2932	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2933	},
1946	on_reply => sub {	2934	on_reply => sub {
1947	my ($ns, $msg) = @_;	2935	my ($ns, $msg) = @_;
1948		2936
1949	# this weird shuffling is so that direct followup queries	2937	# this weird shuffling is so that direct followup queries
1950	# get handled first	2938	# get handled first
1951	my $queue = delete $ns->{query_queue}	2939	my $queue = delete $ns->{query_queue}
1952	or return; # be conservative, not sure how that can happen, but we saw a crash here	2940	or return; # be conservative, not sure how that can happen, but we saw a crash here
1953		2941
1954	(shift @$queue)->[1]->($msg);	2942	(shift @$queue)->[1]->($msg);
		2943	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1955		2944
1956	push @{ $ns->{query_queue} }, @$queue;	2945	push @{ $ns->{query_queue} }, @$queue;
1957		2946
1958	if (@{ $ns->{query_queue} } == @$queue) {	2947	if (@{ $ns->{query_queue} } == @$queue) {
1959	if (@$queue) {	2948	if (@$queue) {
…		…
1961	} else {	2950	} else {
1962	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2951	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1963	}	2952	}
1964	}	2953	}
1965	},	2954	},
		2955	on_exticmd => sub {
		2956	my ($ns, $buf) = @_;
		2957
		2958	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2959
		2960	if (ref $msg) {
		2961	my ($type, $reply, @payload) =
		2962	"ARRAY" eq ref $msg
		2963	? @$msg
		2964	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2965
		2966	my @reply;
		2967
		2968	if (my $cb = $EXTICMD{$type}) {
		2969	@reply = $cb->($ns, @payload);
		2970	}
		2971
		2972	$ns->ext_reply ($reply, @reply)
		2973	if $reply;
		2974
		2975	} else {
		2976	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2977	}
		2978
		2979	cf::override;
		2980	},
1966	);	2981	);
1967		2982
1968	=item $client->async (\&cb)	2983	=item $client->async (\&cb)
1969		2984
1970	Create a new coroutine, running the specified callback. The coroutine will	2985	Create a new coroutine, running the specified callback. The coroutine will
…		…
2011	our $safe = new Safe "safe";	3026	our $safe = new Safe "safe";
2012	our $safe_hole = new Safe::Hole;	3027	our $safe_hole = new Safe::Hole;
2013		3028
2014	$SIG{FPE} = 'IGNORE';	3029	$SIG{FPE} = 'IGNORE';
2015		3030
2016	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3031	$safe->permit_only (Opcode::opset qw(
		3032	:base_core :base_mem :base_orig :base_math
		3033	grepstart grepwhile mapstart mapwhile
		3034	sort time
		3035	));
2017		3036
2018	# here we export the classes and methods available to script code	3037	# here we export the classes and methods available to script code
2019		3038
2020	=pod	3039	=pod
2021		3040
2022	The following fucntions and emthods are available within a safe environment:	3041	The following functions and methods are available within a safe environment:
2023		3042
2024	cf::object contr pay_amount pay_player map	3043	cf::object
		3044	contr pay_amount pay_player map x y force_find force_add destroy
		3045	insert remove name archname title slaying race decrease split
		3046
2025	cf::object::player player	3047	cf::object::player
2026	cf::player peaceful	3048	player
2027	cf::map trigger	3049
		3050	cf::player
		3051	peaceful
		3052
		3053	cf::map
		3054	trigger
2028		3055
2029	=cut	3056	=cut
2030		3057
2031	for (	3058	for (
2032	["cf::object" => qw(contr pay_amount pay_player map)],	3059	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3060	insert remove inv nrof name archname title slaying race
		3061	decrease split destroy change_exp)],
2033	["cf::object::player" => qw(player)],	3062	["cf::object::player" => qw(player)],
2034	["cf::player" => qw(peaceful)],	3063	["cf::player" => qw(peaceful)],
2035	["cf::map" => qw(trigger)],	3064	["cf::map" => qw(trigger)],
2036	) {	3065	) {
2037	no strict 'refs';	3066	no strict 'refs';
…		…
2108	=back	3137	=back
2109		3138
2110	=cut	3139	=cut
2111		3140
2112	#############################################################################	3141	#############################################################################
		3142	# the server's init and main functions
2113		3143
2114	=head2 EXTENSION DATABASE SUPPORT	3144	sub load_facedata($) {
		3145	my ($path) = @_;
2115		3146
2116	Crossfire maintains a very simple database for extension use. It can	3147	# HACK to clear player env face cache, we need some signal framework
2117	currently store anything that can be serialised using Storable, which	3148	# for this (global event?)
2118	excludes objects.	3149	%ext::player_env::MUSIC_FACE_CACHE = ();
2119		3150
2120	The parameter C<$family> should best start with the name of the extension	3151	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2121	using it, it should be unique.
2122		3152
2123	=over 4	3153	warn "loading facedata from $path\n";
2124		3154
2125	=item $hashref = cf::db_get $family	3155	my $facedata;
		3156	0 < aio_load $path, $facedata
		3157	or die "$path: $!";
2126		3158
2127	Return a hashref for use by the extension C<$family>, which can be	3159	$facedata = Coro::Storable::thaw $facedata;
2128	modified. After modifications, you have to call C<cf::db_dirty> or
2129	C<cf::db_sync>.
2130		3160
2131	=item $value = cf::db_get $family => $key	3161	$facedata->{version} == 2
		3162	or cf::cleanup "$path: version mismatch, cannot proceed.";
2132		3163
2133	Returns a single value from the database	3164	# patch in the exptable
2134		3165	$facedata->{resource}{"res/exp_table"} = {
2135	=item cf::db_put $family => $hashref	3166	type => FT_RSRC,
2136		3167	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2137	Stores the given family hashref into the database. Updates are delayed, if
2138	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2139
2140	=item cf::db_put $family => $key => $value
2141
2142	Stores the given C<$value> in the family hash. Updates are delayed, if you
2143	want the data to be synced to disk immediately, use C<cf::db_sync>.
2144
2145	=item cf::db_dirty
2146
2147	Marks the database as dirty, to be updated at a later time.
2148
2149	=item cf::db_sync
2150
2151	Immediately write the database to disk I<if it is dirty>.
2152
2153	=cut
2154
2155	our $DB;
2156
2157	{
2158	my $path = cf::localdir . "/database.pst";
2159
2160	sub db_load() {
2161	$DB = stat $path ? Storable::retrieve $path : { };
2162	}
2163
2164	my $pid;
2165
2166	sub db_save() {
2167	waitpid $pid, 0 if $pid;
2168	if (0 == ($pid = fork)) {
2169	$DB->{_meta}{version} = 1;
2170	Storable::nstore $DB, "$path~";
2171	rename "$path~", $path;
2172	cf::_exit 0 if defined $pid;
2173	}
2174	}
2175
2176	my $dirty;
2177
2178	sub db_sync() {
2179	db_save if $dirty;
2180	undef $dirty;
2181	}
2182
2183	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2184	db_sync;
2185	});	3168	};
		3169	cf::cede_to_tick;
2186		3170
2187	sub db_dirty() {
2188	$dirty = 1;
2189	$idle->start;
2190	}	3171	{
		3172	my $faces = $facedata->{faceinfo};
2191		3173
2192	sub db_get($;$) {	3174	while (my ($face, $info) = each %$faces) {
2193	@_ >= 2	3175	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2194	? $DB->{$_[0]}{$_[1]}
2195	: ($DB->{$_[0]} ||= { })
2196	}
2197		3176
2198	sub db_put($$;$) {	3177	cf::face::set_visibility $idx, $info->{visibility};
2199	if (@_ >= 3) {	3178	cf::face::set_magicmap $idx, $info->{magicmap};
2200	$DB->{$_[0]}{$_[1]} = $_[2];	3179	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2201	} else {	3180	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2202	$DB->{$_[0]} = $_[1];
2203	}
2204	db_dirty;
2205	}
2206		3181
2207	cf::global->attach (	3182	cf::cede_to_tick;
2208	prio => 10000,
2209	on_cleanup => sub {
2210	db_sync;
2211	},	3183	}
2212	);
2213	}
2214		3184
2215	#############################################################################	3185	while (my ($face, $info) = each %$faces) {
2216	# the server's main()	3186	next unless $info->{smooth};
2217		3187
2218	sub cfg_load {	3188	my $idx = cf::face::find $face
		3189	or next;
		3190
		3191	if (my $smooth = cf::face::find $info->{smooth}) {
		3192	cf::face::set_smooth $idx, $smooth;
		3193	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3194	} else {
		3195	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3196	}
		3197
		3198	cf::cede_to_tick;
		3199	}
		3200	}
		3201
		3202	{
		3203	my $anims = $facedata->{animinfo};
		3204
		3205	while (my ($anim, $info) = each %$anims) {
		3206	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3207	cf::cede_to_tick;
		3208	}
		3209
		3210	cf::anim::invalidate_all; # d'oh
		3211	}
		3212
		3213	{
		3214	# TODO: for gcfclient pleasure, we should give resources
		3215	# that gcfclient doesn't grok a >10000 face index.
		3216	my $res = $facedata->{resource};
		3217
		3218	while (my ($name, $info) = each %$res) {
		3219	if (defined $info->{type}) {
		3220	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3221	my $data;
		3222
		3223	if ($info->{type} & 1) {
		3224	# prepend meta info
		3225
		3226	my $meta = $enc->encode ({
		3227	name => $name,
		3228	%{ $info->{meta} || {} },
		3229	});
		3230
		3231	$data = pack "(w/a*)*", $meta, $info->{data};
		3232	} else {
		3233	$data = $info->{data};
		3234	}
		3235
		3236	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3237	cf::face::set_type $idx, $info->{type};
		3238	} else {
		3239	$RESOURCE{$name} = $info;
		3240	}
		3241
		3242	cf::cede_to_tick;
		3243	}
		3244	}
		3245
		3246	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3247
		3248	1
		3249	}
		3250
		3251	cf::global->attach (on_resource_update => sub {
		3252	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3253	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3254
		3255	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3256	my $sound = $soundconf->{compat}[$_]
		3257	or next;
		3258
		3259	my $face = cf::face::find "sound/$sound->[1]";
		3260	cf::sound::set $sound->[0] => $face;
		3261	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3262	}
		3263
		3264	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3265	my $face = cf::face::find "sound/$v";
		3266	cf::sound::set $k => $face;
		3267	}
		3268	}
		3269	});
		3270
		3271	register_exticmd fx_want => sub {
		3272	my ($ns, $want) = @_;
		3273
		3274	while (my ($k, $v) = each %$want) {
		3275	$ns->fx_want ($k, $v);
		3276	}
		3277	};
		3278
		3279	sub load_resource_file($) {
		3280	my $guard = lock_acquire "load_resource_file";
		3281
		3282	my $status = load_resource_file_ $_[0];
		3283	get_slot 0.1, 100;
		3284	cf::arch::commit_load;
		3285
		3286	$status
		3287	}
		3288
		3289	sub reload_regions {
		3290	# HACK to clear player env face cache, we need some signal framework
		3291	# for this (global event?)
		3292	%ext::player_env::MUSIC_FACE_CACHE = ();
		3293
		3294	load_resource_file "$MAPDIR/regions"
		3295	or die "unable to load regions file\n";
		3296
		3297	for (cf::region::list) {
		3298	$_->{match} = qr/$_->{match}/
		3299	if exists $_->{match};
		3300	}
		3301	}
		3302
		3303	sub reload_facedata {
		3304	load_facedata "$DATADIR/facedata"
		3305	or die "unable to load facedata\n";
		3306	}
		3307
		3308	sub reload_archetypes {
		3309	load_resource_file "$DATADIR/archetypes"
		3310	or die "unable to load archetypes\n";
		3311	}
		3312
		3313	sub reload_treasures {
		3314	load_resource_file "$DATADIR/treasures"
		3315	or die "unable to load treasurelists\n";
		3316	}
		3317
		3318	sub reload_resources {
		3319	warn "reloading resource files...\n";
		3320
		3321	reload_facedata;
		3322	reload_archetypes;
		3323	reload_regions;
		3324	reload_treasures;
		3325
		3326	warn "finished reloading resource files\n";
		3327	}
		3328
		3329	sub init {
		3330	my $guard = freeze_mainloop;
		3331
		3332	evthread_start IO::AIO::poll_fileno;
		3333
		3334	reload_resources;
		3335	}
		3336
		3337	sub reload_config {
2219	open my $fh, "<:utf8", cf::confdir . "/config"	3338	open my $fh, "<:utf8", "$CONFDIR/config"
2220	or return;	3339	or return;
2221		3340
2222	local $/;	3341	local $/;
2223	*CFG = YAML::Syck::Load <$fh>;	3342	*CFG = YAML::Load <$fh>;
2224		3343
2225	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3344	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2226		3345
2227	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3346	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2228	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3347	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2239	sub main {	3358	sub main {
2240	# we must not ever block the main coroutine	3359	# we must not ever block the main coroutine
2241	local $Coro::idle = sub {	3360	local $Coro::idle = sub {
2242	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3361	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2243	(async {	3362	(async {
2244	Event::one_event;	3363	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3364	EV::loop EV::LOOP_ONESHOT;
2245	})->prio (Coro::PRIO_MAX);	3365	})->prio (Coro::PRIO_MAX);
2246	};	3366	};
2247		3367
2248	cfg_load;	3368	{
2249	db_load;	3369	my $guard = freeze_mainloop;
		3370	reload_config;
		3371	db_init;
2250	load_extensions;	3372	load_extensions;
2251		3373
2252	$TICK_WATCHER->start;	3374	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3375	}
		3376
2253	Event::loop;	3377	EV::loop;
2254	}	3378	}
2255		3379
2256	#############################################################################	3380	#############################################################################
2257	# initialisation and cleanup	3381	# initialisation and cleanup
2258		3382
2259	# install some emergency cleanup handlers	3383	# install some emergency cleanup handlers
2260	BEGIN {	3384	BEGIN {
		3385	our %SIGWATCHER = ();
2261	for my $signal (qw(INT HUP TERM)) {	3386	for my $signal (qw(INT HUP TERM)) {
2262	Event->signal (	3387	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2263	data => WF_AUTOCANCEL,
2264	signal => $signal,
2265	cb => sub {
2266	cf::cleanup "SIG$signal";	3388	cf::cleanup "SIG$signal";
2267	},
2268	);	3389	};
		3390	}
		3391	}
		3392
		3393	sub write_runtime_sync {
		3394	my $runtime = "$LOCALDIR/runtime";
		3395
		3396	# first touch the runtime file to show we are still running:
		3397	# the fsync below can take a very very long time.
		3398
		3399	IO::AIO::aio_utime $runtime, undef, undef;
		3400
		3401	my $guard = cf::lock_acquire "write_runtime";
		3402
		3403	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3404	or return;
		3405
		3406	my $value = $cf::RUNTIME + 90 + 10;
		3407	# 10 is the runtime save interval, for a monotonic clock
		3408	# 60 allows for the watchdog to kill the server.
		3409
		3410	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3411	and return;
		3412
		3413	# always fsync - this file is important
		3414	aio_fsync $fh
		3415	and return;
		3416
		3417	# touch it again to show we are up-to-date
		3418	aio_utime $fh, undef, undef;
		3419
		3420	close $fh
		3421	or return;
		3422
		3423	aio_rename "$runtime~", $runtime
		3424	and return;
		3425
		3426	warn "runtime file written.\n";
		3427
2269	}	3428	1
		3429	}
		3430
		3431	our $uuid_lock;
		3432	our $uuid_skip;
		3433
		3434	sub write_uuid_sync($) {
		3435	$uuid_skip ||= $_[0];
		3436
		3437	return if $uuid_lock;
		3438	local $uuid_lock = 1;
		3439
		3440	my $uuid = "$LOCALDIR/uuid";
		3441
		3442	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3443	or return;
		3444
		3445	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3446	$uuid_skip = 0;
		3447
		3448	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3449	and return;
		3450
		3451	# always fsync - this file is important
		3452	aio_fsync $fh
		3453	and return;
		3454
		3455	close $fh
		3456	or return;
		3457
		3458	aio_rename "$uuid~", $uuid
		3459	and return;
		3460
		3461	warn "uuid file written ($value).\n";
		3462
		3463	1
		3464
		3465	}
		3466
		3467	sub write_uuid($$) {
		3468	my ($skip, $sync) = @_;
		3469
		3470	$sync ? write_uuid_sync $skip
		3471	: async { write_uuid_sync $skip };
2270	}	3472	}
2271		3473
2272	sub emergency_save() {	3474	sub emergency_save() {
2273	my $freeze_guard = cf::freeze_mainloop;	3475	my $freeze_guard = cf::freeze_mainloop;
2274		3476
…		…
2280	# and maps saved/destroyed asynchronously.	3482	# and maps saved/destroyed asynchronously.
2281	warn "begin emergency player save\n";	3483	warn "begin emergency player save\n";
2282	for my $login (keys %cf::PLAYER) {	3484	for my $login (keys %cf::PLAYER) {
2283	my $pl = $cf::PLAYER{$login} or next;	3485	my $pl = $cf::PLAYER{$login} or next;
2284	$pl->valid or next;	3486	$pl->valid or next;
		3487	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2285	$pl->save;	3488	$pl->save;
2286	}	3489	}
2287	warn "end emergency player save\n";	3490	warn "end emergency player save\n";
2288		3491
2289	warn "begin emergency map save\n";	3492	warn "begin emergency map save\n";
…		…
2291	my $map = $cf::MAP{$path} or next;	3494	my $map = $cf::MAP{$path} or next;
2292	$map->valid or next;	3495	$map->valid or next;
2293	$map->save;	3496	$map->save;
2294	}	3497	}
2295	warn "end emergency map save\n";	3498	warn "end emergency map save\n";
		3499
		3500	warn "begin emergency database checkpoint\n";
		3501	BDB::db_env_txn_checkpoint $DB_ENV;
		3502	warn "end emergency database checkpoint\n";
		3503
		3504	warn "begin write uuid\n";
		3505	write_uuid_sync 1;
		3506	warn "end write uuid\n";
2296	};	3507	};
2297		3508
2298	warn "leave emergency perl save\n";	3509	warn "leave emergency perl save\n";
2299	}	3510	}
2300		3511
		3512	sub post_cleanup {
		3513	my ($make_core) = @_;
		3514
		3515	warn Carp::longmess "post_cleanup backtrace"
		3516	if $make_core;
		3517	}
		3518
		3519	# a safer delete_package, copied from Symbol
		3520	sub clear_package($) {
		3521	my $pkg = shift;
		3522
		3523	# expand to full symbol table name if needed
		3524	unless ($pkg =~ /^main::.*::$/) {
		3525	$pkg = "main$pkg" if $pkg =~ /^::/;
		3526	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3527	$pkg .= '::' unless $pkg =~ /::$/;
		3528	}
		3529
		3530	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3531	my $stem_symtab = *{$stem}{HASH};
		3532
		3533	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3534	or return;
		3535
		3536	# clear all symbols
		3537	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3538	for my $name (keys %$leaf_symtab) {
		3539	_gv_clear *{"$pkg$name"};
		3540	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3541	}
		3542	warn "cleared package #$pkg\n";#d#
		3543	}
		3544
		3545	our $RELOAD; # how many times to reload
		3546
2301	sub reload() {	3547	sub do_reload_perl() {
2302	# can/must only be called in main	3548	# can/must only be called in main
2303	if ($Coro::current != $Coro::main) {	3549	if ($Coro::current != $Coro::main) {
2304	warn "can only reload from main coroutine";	3550	warn "can only reload from main coroutine";
2305	return;	3551	return;
2306	}	3552	}
2307		3553
		3554	return if $RELOAD++;
		3555
		3556	while ($RELOAD) {
2308	warn "reloading...";	3557	warn "reloading...";
2309		3558
2310	warn "cancelling server ticker";	3559	warn "entering sync_job";
2311	$TICK_WATCHER->cancel;
2312		3560
		3561	cf::sync_job {
		3562	cf::write_runtime_sync; # external watchdog should not bark
2313	cf::emergency_save;	3563	cf::emergency_save;
		3564	cf::write_runtime_sync; # external watchdog should not bark
2314		3565
2315	eval {	3566	warn "syncing database to disk";
		3567	BDB::db_env_txn_checkpoint $DB_ENV;
		3568
2316	# if anything goes wrong in here, we should simply crash as we already saved	3569	# if anything goes wrong in here, we should simply crash as we already saved
2317		3570
2318	warn "syncing database to disk";
2319	cf::db_sync;
2320
2321	warn "cancelling all WF_AUTOCANCEL watchers";
2322	for (Event::all_watchers) {
2323	$_->cancel if $_->data & WF_AUTOCANCEL;
2324	}
2325
2326	warn "flushing outstanding aio requests";	3571	warn "flushing outstanding aio requests";
2327	for (;;) {	3572	while (IO::AIO::nreqs || BDB::nreqs) {
2328	IO::AIO::flush;	3573	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2329	Coro::cede;
2330	last unless IO::AIO::nreqs;
2331	warn "iterate...";
2332	}
2333
2334	warn "cancelling all extension coros";
2335	$_->cancel for values %EXT_CORO;
2336	%EXT_CORO = ();
2337
2338	warn "removing commands";
2339	%COMMAND = ();
2340
2341	warn "removing ext commands";
2342	%EXTCMD = ();
2343
2344	warn "unloading/nuking all extensions";
2345	for my $pkg (@EXTS) {
2346	warn "... unloading $pkg";
2347
2348	if (my $cb = $pkg->can ("unload")) {
2349	eval {
2350	$cb->($pkg);
2351	1
2352	} or warn "$pkg unloaded, but with errors: $@";
2353	}	3574	}
2354		3575
2355	warn "... nuking $pkg";	3576	warn "cancelling all extension coros";
2356	Symbol::delete_package $pkg;	3577	$_->cancel for values %EXT_CORO;
2357	}	3578	%EXT_CORO = ();
2358		3579
2359	warn "unloading all perl modules loaded from $LIBDIR";	3580	warn "removing commands";
2360	while (my ($k, $v) = each %INC) {	3581	%COMMAND = ();
2361	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2362		3582
		3583	warn "removing ext/exti commands";
		3584	%EXTCMD = ();
		3585	%EXTICMD = ();
		3586
		3587	warn "unloading/nuking all extensions";
		3588	for my $pkg (@EXTS) {
2363	warn "... unloading $k";	3589	warn "... unloading $pkg";
2364	delete $INC{$k};
2365		3590
2366	$k =~ s/\.pm$//;
2367	$k =~ s/\//::/g;
2368
2369	if (my $cb = $k->can ("unload_module")) {	3591	if (my $cb = $pkg->can ("unload")) {
		3592	eval {
2370	$cb->();	3593	$cb->($pkg);
		3594	1
		3595	} or warn "$pkg unloaded, but with errors: $@";
		3596	}
		3597
		3598	warn "... clearing $pkg";
		3599	clear_package $pkg;
2371	}	3600	}
2372		3601
2373	Symbol::delete_package $k;	3602	warn "unloading all perl modules loaded from $LIBDIR";
		3603	while (my ($k, $v) = each %INC) {
		3604	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3605
		3606	warn "... unloading $k";
		3607	delete $INC{$k};
		3608
		3609	$k =~ s/\.pm$//;
		3610	$k =~ s/\//::/g;
		3611
		3612	if (my $cb = $k->can ("unload_module")) {
		3613	$cb->();
		3614	}
		3615
		3616	clear_package $k;
2374	}	3617	}
2375		3618
2376	warn "getting rid of safe::, as good as possible";	3619	warn "getting rid of safe::, as good as possible";
2377	Symbol::delete_package "safe::$_"	3620	clear_package "safe::$_"
2378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3621	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2379		3622
2380	warn "unloading cf.pm \"a bit\"";	3623	warn "unloading cf.pm \"a bit\"";
2381	delete $INC{"cf.pm"};	3624	delete $INC{"cf.pm"};
		3625	delete $INC{"cf/pod.pm"};
2382		3626
2383	# don't, removes xs symbols, too,	3627	# don't, removes xs symbols, too,
2384	# and global variables created in xs	3628	# and global variables created in xs
2385	#Symbol::delete_package __PACKAGE__;	3629	#clear_package __PACKAGE__;
2386		3630
2387	warn "unload completed, starting to reload now";	3631	warn "unload completed, starting to reload now";
2388		3632
2389	warn "reloading cf.pm";	3633	warn "reloading cf.pm";
2390	require cf;	3634	require cf;
2391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3635	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2392		3636
2393	warn "loading config and database again";	3637	warn "loading config and database again";
2394	cf::cfg_load;	3638	cf::reload_config;
2395	cf::db_load;
2396		3639
2397	warn "loading extensions";	3640	warn "loading extensions";
2398	cf::load_extensions;	3641	cf::load_extensions;
2399		3642
2400	warn "reattaching attachments to objects/players";	3643	warn "reattaching attachments to objects/players";
2401	_global_reattach;	3644	_global_reattach; # objects, sockets
2402	warn "reattaching attachments to maps";	3645	warn "reattaching attachments to maps";
2403	reattach $_ for values %MAP;	3646	reattach $_ for values %MAP;
		3647	warn "reattaching attachments to players";
		3648	reattach $_ for values %PLAYER;
2404		3649
2405	warn "restarting server ticker";	3650	warn "leaving sync_job";
2406		3651
2407	$TICK_WATCHER->start;	3652	1
		3653	} or do {
		3654	warn $@;
		3655	cf::cleanup "error while reloading, exiting.";
		3656	};
		3657
		3658	warn "reloaded";
		3659	--$RELOAD;
		3660	}
		3661	};
		3662
		3663	our $RELOAD_WATCHER; # used only during reload
		3664
		3665	sub reload_perl() {
		3666	# doing reload synchronously and two reloads happen back-to-back,
		3667	# coro crashes during coro_state_free->destroy here.
		3668
		3669	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3670	do_reload_perl;
		3671	undef $RELOAD_WATCHER;
2408	};	3672	};
2409		3673	}
2410	if ($@) {
2411	warn $@;
2412	warn "error while reloading, exiting.";
2413	exit 1;
2414	}
2415
2416	warn "reloaded";
2417	};
2418
2419	our $RELOAD_WATCHER; # used only during reload
2420		3674
2421	register_command "reload" => sub {	3675	register_command "reload" => sub {
2422	my ($who, $arg) = @_;	3676	my ($who, $arg) = @_;
2423		3677
2424	if ($who->flag (FLAG_WIZ)) {	3678	if ($who->flag (FLAG_WIZ)) {
2425	$who->message ("reloading server.");	3679	$who->message ("reloading server.");
2426		3680	async {
2427	# doing reload synchronously and two reloads happen back-to-back,	3681	$Coro::current->{desc} = "perl_reload";
2428	# coro crashes during coro_state_free->destroy here.
2429
2430	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2431	reload;	3682	reload_perl;
2432	undef $RELOAD_WATCHER;
2433	});	3683	};
2434	}	3684	}
2435	};	3685	};
2436		3686
2437	unshift @INC, $LIBDIR;	3687	unshift @INC, $LIBDIR;
2438		3688
2439	my $bug_warning = 0;	3689	my $bug_warning = 0;
2440		3690
2441	$TICK_WATCHER = Event->timer (	3691	our @WAIT_FOR_TICK;
2442	reentrant => 0,	3692	our @WAIT_FOR_TICK_BEGIN;
2443	parked => 1,	3693
2444	prio => 0,	3694	sub wait_for_tick {
2445	at => $NEXT_TICK || $TICK,	3695	return if tick_inhibit || $Coro::current == $Coro::main;
2446	data => WF_AUTOCANCEL,	3696
2447	cb => sub {	3697	my $signal = new Coro::Signal;
		3698	push @WAIT_FOR_TICK, $signal;
		3699	$signal->wait;
		3700	}
		3701
		3702	sub wait_for_tick_begin {
		3703	return if tick_inhibit || $Coro::current == $Coro::main;
		3704
		3705	my $signal = new Coro::Signal;
		3706	push @WAIT_FOR_TICK_BEGIN, $signal;
		3707	$signal->wait;
		3708	}
		3709
		3710	sub tick {
2448	if ($Coro::current != $Coro::main) {	3711	if ($Coro::current != $Coro::main) {
2449	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3712	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2450	unless ++$bug_warning > 10;	3713	unless ++$bug_warning > 10;
2451	return;	3714	return;
2452	}	3715	}
2453		3716
2454	$NOW = Event::time;
2455
2456	cf::server_tick; # one server iteration	3717	cf::server_tick; # one server iteration
2457	$RUNTIME += $TICK;
2458	$NEXT_TICK += $TICK;
2459		3718
2460	$WAIT_FOR_TICK->broadcast;	3719	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2461	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3720	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2462		3721	Coro::async_pool {
2463	# if we are delayed by four ticks or more, skip them all	3722	$Coro::current->{desc} = "runtime saver";
2464	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2465
2466	$TICK_WATCHER->at ($NEXT_TICK);
2467	$TICK_WATCHER->start;
2468	},
2469	);
2470
2471	IO::AIO::max_poll_time $TICK * 0.2;
2472
2473	$AIO_POLL_WATCHER = Event->io (
2474	fd => IO::AIO::poll_fileno,
2475	poll => 'r',
2476	prio => 5,
2477	data => WF_AUTOCANCEL,
2478	cb => \&IO::AIO::poll_cb,
2479	);
2480
2481	$WRITE_RUNTIME_WATCHER = Event->timer (
2482	data => WF_AUTOCANCEL,
2483	after => 1,
2484	interval => 10,
2485	prio => 6, # keep it lowest so it acts like a watchdog
2486	cb => Coro::unblock_sub {
2487	write_runtime	3723	write_runtime_sync
2488	or warn "ERROR: unable to write runtime file: $!";	3724	or warn "ERROR: unable to write runtime file: $!";
		3725	};
2489	},	3726	}
2490	);	3727
		3728	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3729	$sig->send;
		3730	}
		3731	while (my $sig = shift @WAIT_FOR_TICK) {
		3732	$sig->send;
		3733	}
		3734
		3735	$LOAD = ($NOW - $TICK_START) / $TICK;
		3736	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3737
		3738	if (0) {
		3739	if ($NEXT_TICK) {
		3740	my $jitter = $TICK_START - $NEXT_TICK;
		3741	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3742	warn "jitter $JITTER\n";#d#
		3743	}
		3744	}
		3745	}
		3746
		3747	{
		3748	# configure BDB
		3749
		3750	BDB::min_parallel 8;
		3751	BDB::max_poll_reqs $TICK * 0.1;
		3752	$AnyEvent::BDB::WATCHER->priority (1);
		3753
		3754	unless ($DB_ENV) {
		3755	$DB_ENV = BDB::db_env_create;
		3756	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3757	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3758	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3759	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3760	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3761
		3762	cf::sync_job {
		3763	eval {
		3764	BDB::db_env_open
		3765	$DB_ENV,
		3766	$BDBDIR,
		3767	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3768	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3769	0666;
		3770
		3771	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3772	};
		3773
		3774	cf::cleanup "db_env_open(db): $@" if $@;
		3775	};
		3776	}
		3777
		3778	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3779	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3780	};
		3781	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3782	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3783	};
		3784	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3785	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3786	};
		3787	}
		3788
		3789	{
		3790	# configure IO::AIO
		3791
		3792	IO::AIO::min_parallel 8;
		3793	IO::AIO::max_poll_time $TICK * 0.1;
		3794	undef $AnyEvent::AIO::WATCHER;
		3795	}
		3796
		3797	my $_log_backtrace;
		3798
		3799	sub _log_backtrace {
		3800	my ($msg, @addr) = @_;
		3801
		3802	$msg =~ s/\n//;
		3803
		3804	# limit the # of concurrent backtraces
		3805	if ($_log_backtrace < 2) {
		3806	++$_log_backtrace;
		3807	async {
		3808	$Coro::current->{desc} = "abt $msg";
		3809
		3810	my @bt = fork_call {
		3811	@addr = map { sprintf "%x", $_ } @addr;
		3812	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3813	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3814	or die "addr2line: $!";
		3815
		3816	my @funcs;
		3817	my @res = <$fh>;
		3818	chomp for @res;
		3819	while (@res) {
		3820	my ($func, $line) = splice @res, 0, 2, ();
		3821	push @funcs, "[$func] $line";
		3822	}
		3823
		3824	@funcs
		3825	};
		3826
		3827	LOG llevInfo, "[ABT] $msg\n";
		3828	LOG llevInfo, "[ABT] $_\n" for @bt;
		3829	--$_log_backtrace;
		3830	};
		3831	} else {
		3832	LOG llevInfo, "[ABT] $msg\n";
		3833	LOG llevInfo, "[ABT] [suppressed]\n";
		3834	}
		3835	}
		3836
		3837	# load additional modules
		3838	use cf::pod;
2491		3839
2492	END { cf::emergency_save }	3840	END { cf::emergency_save }
2493		3841
2494	1	3842	1
2495		3843

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