ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.198 by root, Sun Jan 28 01:58:37 2007 UTC vs.
Revision 1.442 by root, Sun Aug 31 09:03:31 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.5 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
		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 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
		1628	=cut
		1629
		1630	sub expand_cfpod {
		1631	my ($self, $pod) = @_;
		1632
		1633	my @nest = [qr<\G$>, undef, ""];
		1634	my $xml;
		1635
		1636	for ($pod) {
		1637	while () {
		1638	if (/\G( (?: [^BCEGHITUZ&>\n\ ]+ | [BCEGHITUZ](?!<) | \ (?!>) )+ )/xgcs) {
		1639	$xml .= $1;
		1640	} elsif (/\G\n(?=\S)/xgcs) {
		1641	$xml .= " ";
		1642	} elsif (/\G\n/xgcs) {
		1643	$xml .= "\n";
		1644	} elsif (/\G ([BCEGHITUZ]) (< (?: <+\ | (?!<) ) )/xgcs) {
		1645	my ($code, $delim) = ($1, scalar reverse $2);
		1646	$delim =~ y/</>/; # delim now contains the stop sequence
		1647	$delim = qr{\G\Q$delim};
		1648
		1649	my $cb;
		1650
		1651	if ($code eq "B") {
		1652	$cb = sub { "<b>$_[0]</b>" };
		1653	} elsif ($code eq "C") {
		1654	$cb = sub { "<tt>$_[0]</tt>" };
		1655	} elsif ($code eq "E") {
		1656	$cb = sub { warn "E<$_[0]>\n";"&$_[0];" };
		1657	} elsif ($code eq "G") {
		1658	$cb = sub {
		1659	my ($male, $female) = split /\|/, $_[0];
		1660	$self->gender ? $female : $male
		1661	};
		1662	} elsif ($code eq "H") {
		1663	$cb = sub {
		1664	(
		1665	"<fg name=\"lightblue\">[$_[0] (Use hintmode to suppress hints)]</fg>",
		1666	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1667	"",
		1668	)[$self->{hintmode}];
		1669	};
		1670	} elsif ($code eq "I") {
		1671	$cb = sub { "<i>$_[0]</i>" };
		1672	} elsif ($code eq "T") {
		1673	$cb = sub { "<big><b>$_[0]</b></big>" };
		1674	} elsif ($code eq "U") {
		1675	$cb = sub { "<u>$_[0]</u>" };
		1676	} elsif ($code eq "Z") {
		1677	$cb = sub { };
		1678	} else {
		1679	die "FATAL error in expand_cfpod";
		1680	}
		1681
		1682	push @nest, [$delim, $cb, $xml];
		1683	undef $xml;
		1684
		1685	} elsif ($_ =~ /$nest[-1][0]/gcs) {
		1686	my $nest = pop @nest;
		1687
		1688	if ($nest->[1]) {
		1689	$xml = $nest->[2] . $nest->[1]->($xml);
		1690	} else {
		1691	last;
		1692	}
		1693	} elsif (/\G</xgcs) {
		1694	$xml .= "&lt;";
		1695	} elsif (/\G&/xgcs) {
		1696	$xml .= "&amp;";
		1697	} elsif (/\G>/xgcs) {
		1698	$xml .= ">";
		1699	} else {
		1700	if ($pod =~ /\G(.+)/xgcs) {
		1701	warn "parse error (at $1)($nest[-1][0]) while expanding cfpod:\n$pod";
		1702	last;
		1703	} else {
		1704	warn "parse error (unclosed interior sequence at end of cfpod) while expanding cfpod:\n$pod";
		1705	return "<b>Sorry, the server encountered an internal error when formatting this message, please report this.</b>";
		1706	}
		1707	}
		1708	}
		1709	}
		1710
		1711	$xml
		1712	}
		1713
		1714	sub hintmode {
		1715	$_[0]{hintmode} = $_[1] if @_ > 1;
		1716	$_[0]{hintmode}
		1717	}
		1718
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1719	=item $player->ext_reply ($msgid, @msg)
1091		1720
1092	Sends an ext reply to the player.	1721	Sends an ext reply to the player.
1093		1722
1094	=cut	1723	=cut
1095		1724
1096	sub ext_reply($$$%) {	1725	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1726	my ($self, $id, @msg) = @_;
1098		1727
1099	$msg{msgid} = $id;	1728	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1729	}
1103		1730
1104	package cf;	1731	=item $player->ext_msg ($type, @msg)
		1732
		1733	Sends an ext event to the client.
		1734
		1735	=cut
		1736
		1737	sub ext_msg($$@) {
		1738	my ($self, $type, @msg) = @_;
		1739
		1740	$self->ns->ext_msg ($type, @msg);
		1741	}
		1742
		1743	=head3 cf::region
		1744
		1745	=over 4
		1746
		1747	=cut
		1748
		1749	package cf::region;
		1750
		1751	=item cf::region::find_by_path $path
		1752
		1753	Tries to decuce the likely region for a map knowing only its path.
		1754
		1755	=cut
		1756
		1757	sub find_by_path($) {
		1758	my ($path) = @_;
		1759
		1760	my ($match, $specificity);
		1761
		1762	for my $region (list) {
		1763	if ($region->{match} && $path =~ $region->{match}) {
		1764	($match, $specificity) = ($region, $region->specificity)
		1765	if $region->specificity > $specificity;
		1766	}
		1767	}
		1768
		1769	$match
		1770	}
1105		1771
1106	=back	1772	=back
1107
1108		1773
1109	=head3 cf::map	1774	=head3 cf::map
1110		1775
1111	=over 4	1776	=over 4
1112		1777
…		…
1124	our $MAX_RESET = 3600;	1789	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1790	our $DEFAULT_RESET = 3000;
1126		1791
1127	sub generate_random_map {	1792	sub generate_random_map {
1128	my ($self, $rmp) = @_;	1793	my ($self, $rmp) = @_;
		1794
		1795	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1796
1129	# mit "rum" bekleckern, nicht	1797	# mit "rum" bekleckern, nicht
1130	$self->_create_random_map (	1798	$self->_create_random_map (
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1799	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1800	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1801	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1167	my ($self, $merge) = @_;	1835	my ($self, $merge) = @_;
1168		1836
1169	# we have to keep some variables in memory intact	1837	# we have to keep some variables in memory intact
1170	local $self->{path};	1838	local $self->{path};
1171	local $self->{load_path};	1839	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1840
1175	$self->SUPER::thawer_merge ($merge);	1841	$self->SUPER::thawer_merge ($merge);
1176	}	1842	}
1177		1843
1178	sub normalise {	1844	sub normalise {
1179	my ($path, $base) = @_;	1845	my ($path, $base) = @_;
1180		1846
1181	$path = "$path"; # make sure its a string	1847	$path = "$path"; # make sure its a string
		1848
		1849	$path =~ s/\.map$//;
1182		1850
1183	# map plan:	1851	# map plan:
1184	#	1852	#
1185	# /! non-realised random map exit (special hack!)	1853	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1854	# {... are special paths that are not being touched
…		…
1223	$self->init; # pass $1 etc.	1891	$self->init; # pass $1 etc.
1224	return $self;	1892	return $self;
1225	}	1893	}
1226	}	1894	}
1227		1895
1228	Carp::carp "unable to resolve path '$path' (base '$base').";	1896	Carp::cluck "unable to resolve path '$path' (base '$base').";
1229	()	1897	()
1230	}	1898	}
1231		1899
1232	sub init {	1900	sub init {
1233	my ($self) = @_;	1901	my ($self) = @_;
…		…
1248		1916
1249	# the original (read-only) location	1917	# the original (read-only) location
1250	sub load_path {	1918	sub load_path {
1251	my ($self) = @_;	1919	my ($self) = @_;
1252		1920
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1921	"$MAPDIR/$self->{path}.map"
1254	}	1922	}
1255		1923
1256	# the temporary/swap location	1924	# the temporary/swap location
1257	sub save_path {	1925	sub save_path {
1258	my ($self) = @_;	1926	my ($self) = @_;
1259		1927
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1929	"$TMPDIR/$path.map"
1262	}	1930	}
1263		1931
1264	# the unique path, undef == no special unique path	1932	# the unique path, undef == no special unique path
1265	sub uniq_path {	1933	sub uniq_path {
1266	my ($self) = @_;	1934	my ($self) = @_;
1267		1935
1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1936	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1937	"$UNIQUEDIR/$path"
1270	}	1938	}
1271		1939
1272	# and all this just because we cannot iterate over	1940	# and all this just because we cannot iterate over
1273	# all maps in C++...	1941	# all maps in C++...
1274	sub change_all_map_light {	1942	sub change_all_map_light {
…		…
1276		1944
1277	$_->change_map_light ($change)	1945	$_->change_map_light ($change)
1278	for grep $_->outdoor, values %cf::MAP;	1946	for grep $_->outdoor, values %cf::MAP;
1279	}	1947	}
1280		1948
		1949	sub decay_objects {
		1950	my ($self) = @_;
		1951
		1952	return if $self->{deny_reset};
		1953
		1954	$self->do_decay_objects;
		1955	}
		1956
1281	sub unlink_save {	1957	sub unlink_save {
1282	my ($self) = @_;	1958	my ($self) = @_;
1283		1959
1284	utf8::encode (my $save = $self->save_path);	1960	utf8::encode (my $save = $self->save_path);
1285	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1961	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1288		1964
1289	sub load_header_from($) {	1965	sub load_header_from($) {
1290	my ($self, $path) = @_;	1966	my ($self, $path) = @_;
1291		1967
1292	utf8::encode $path;	1968	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	1969	my $f = new_from_file cf::object::thawer $path
1294	or return;	1970	or return;
1295		1971
1296	$self->_load_header ($path)	1972	$self->_load_header ($f)
1297	or return;	1973	or return;
		1974
		1975	local $MAP_LOADING{$self->{path}} = $self;
		1976	$f->resolve_delayed_derefs;
1298		1977
1299	$self->{load_path} = $path;	1978	$self->{load_path} = $path;
1300		1979
1301	1	1980	1
1302	}	1981	}
…		…
1341	$self->load_header_orig	2020	$self->load_header_orig
1342	or return;	2021	or return;
1343	$self->prepare_orig;	2022	$self->prepare_orig;
1344	}	2023	}
1345		2024
		2025	$self->{deny_reset} = 1
		2026	if $self->no_reset;
		2027
		2028	$self->default_region (cf::region::find_by_path $self->{path})
		2029	unless $self->default_region;
		2030
1346	1	2031	1
1347	}	2032	}
1348		2033
1349	sub find;	2034	sub find;
1350	sub find {	2035	sub find {
1351	my ($path, $origin) = @_;	2036	my ($path, $origin) = @_;
1352		2037
1353	$path = normalise $path, $origin && $origin->path;	2038	$path = normalise $path, $origin && $origin->path;
1354		2039
		2040	cf::lock_wait "map_data:$path";#d#remove
1355	cf::lock_wait "map_find:$path";	2041	cf::lock_wait "map_find:$path";
1356		2042
1357	$cf::MAP{$path} || do {	2043	$cf::MAP{$path} || do {
		2044	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1358	my $guard = cf::lock_acquire "map_find:$path";	2045	my $guard2 = cf::lock_acquire "map_find:$path";
		2046
1359	my $map = new_from_path cf::map $path	2047	my $map = new_from_path cf::map $path
1360	or return;	2048	or return;
1361		2049
1362	$map->{last_save} = $cf::RUNTIME;	2050	$map->{last_save} = $cf::RUNTIME;
1363		2051
1364	$map->load_header	2052	$map->load_header
1365	or return;	2053	or return;
1366		2054
1367	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2055	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368	# doing this can freeze the server in a sync job, obviously	2056	# doing this can freeze the server in a sync job, obviously
1369	#$cf::WAIT_FOR_TICK->wait;	2057	#$cf::WAIT_FOR_TICK->wait;
		2058	undef $guard2;
		2059	undef $guard1;
1370	$map->reset;	2060	$map->reset;
1371	undef $guard;
1372	return find $path;	2061	return find $path;
1373	}	2062	}
1374		2063
1375	$cf::MAP{$path} = $map	2064	$cf::MAP{$path} = $map
1376	}	2065	}
…		…
1383	my ($self) = @_;	2072	my ($self) = @_;
1384		2073
1385	local $self->{deny_reset} = 1; # loading can take a long time	2074	local $self->{deny_reset} = 1; # loading can take a long time
1386		2075
1387	my $path = $self->{path};	2076	my $path = $self->{path};
		2077
		2078	{
1388	my $guard = cf::lock_acquire "map_load:$path";	2079	my $guard = cf::lock_acquire "map_data:$path";
1389		2080
		2081	return unless $self->valid;
1390	return if $self->in_memory != cf::MAP_SWAPPED;	2082	return unless $self->in_memory == cf::MAP_SWAPPED;
1391		2083
1392	$self->in_memory (cf::MAP_LOADING);	2084	$self->in_memory (cf::MAP_LOADING);
1393		2085
1394	$self->alloc;	2086	$self->alloc;
1395		2087
1396	$self->pre_load;	2088	$self->pre_load;
		2089	cf::cede_to_tick;
1397		2090
1398	$self->_load_objects ($self->{load_path}, 1)	2091	my $f = new_from_file cf::object::thawer $self->{load_path};
		2092	$f->skip_block;
		2093	$self->_load_objects ($f)
1399	or return;	2094	or return;
1400		2095
1401	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2096	$self->post_load_original
1402	if delete $self->{load_original};	2097	if delete $self->{load_original};
1403		2098
1404	if (my $uniq = $self->uniq_path) {	2099	if (my $uniq = $self->uniq_path) {
1405	utf8::encode $uniq;	2100	utf8::encode $uniq;
1406	if (aio_open $uniq, O_RDONLY, 0) {	2101	unless (aio_stat $uniq) {
		2102	if (my $f = new_from_file cf::object::thawer $uniq) {
1407	$self->clear_unique_items;	2103	$self->clear_unique_items;
1408	$self->_load_objects ($uniq, 0);	2104	$self->_load_objects ($f);
		2105	$f->resolve_delayed_derefs;
		2106	}
1409	}	2107	}
1410	}	2108	}
1411		2109
1412	Coro::cede;	2110	$f->resolve_delayed_derefs;
1413		2111
		2112	cf::cede_to_tick;
1414	# now do the right thing for maps	2113	# now do the right thing for maps
1415	$self->link_multipart_objects;	2114	$self->link_multipart_objects;
1416
1417	unless ($self->{deny_activate}) {
1418	$self->decay_objects;
1419	$self->fix_auto_apply;
1420	$self->update_buttons;
1421	Coro::cede;
1422	$self->set_darkness_map;
1423	$self->difficulty ($self->estimate_difficulty)	2115	$self->difficulty ($self->estimate_difficulty)
1424	unless $self->difficulty;	2116	unless $self->difficulty;
1425	Coro::cede;	2117	cf::cede_to_tick;
		2118
		2119	unless ($self->{deny_activate}) {
		2120	$self->decay_objects;
		2121	$self->fix_auto_apply;
		2122	$self->update_buttons;
		2123	cf::cede_to_tick;
		2124	$self->set_darkness_map;
		2125	cf::cede_to_tick;
1426	$self->activate;	2126	$self->activate;
		2127	}
		2128
		2129	$self->{last_save} = $cf::RUNTIME;
		2130	$self->last_access ($cf::RUNTIME);
		2131
		2132	$self->in_memory (cf::MAP_ACTIVE);
1427	}	2133	}
1428		2134
1429	$self->post_load;	2135	$self->post_load;
1430
1431	$self->in_memory (cf::MAP_IN_MEMORY);
1432	}	2136	}
1433		2137
1434	sub customise_for {	2138	sub customise_for {
1435	my ($self, $ob) = @_;	2139	my ($self, $ob) = @_;
1436		2140
1437	return find "~" . $ob->name . "/" . $self->{path}	2141	return find "~" . $ob->name . "/" . $self->{path}
1438	if $self->per_player;	2142	if $self->per_player;
1439		2143
		2144	# return find "?party/" . $ob->name . "/" . $self->{path}
		2145	# if $self->per_party;
		2146
1440	$self	2147	$self
1441	}	2148	}
1442		2149
1443	# find and load all maps in the 3x3 area around a map	2150	# find and load all maps in the 3x3 area around a map
1444	sub load_diag {	2151	sub load_neighbours {
1445	my ($map) = @_;	2152	my ($map) = @_;
1446		2153
1447	my @diag; # diagonal neighbours	2154	my @neigh; # diagonal neighbours
1448		2155
1449	for (0 .. 3) {	2156	for (0 .. 3) {
1450	my $neigh = $map->tile_path ($_)	2157	my $neigh = $map->tile_path ($_)
1451	or next;	2158	or next;
1452	$neigh = find $neigh, $map	2159	$neigh = find $neigh, $map
1453	or next;	2160	or next;
1454	$neigh->load;	2161	$neigh->load;
1455		2162
		2163	push @neigh,
1456	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2164	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1457	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2165	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1458	}	2166	}
1459		2167
1460	for (@diag) {	2168	for (grep defined $_->[0], @neigh) {
		2169	my ($path, $origin) = @$_;
1461	my $neigh = find @$_	2170	my $neigh = find $path, $origin
1462	or next;	2171	or next;
1463	$neigh->load;	2172	$neigh->load;
1464	}	2173	}
1465	}	2174	}
1466		2175
…		…
1471	}	2180	}
1472		2181
1473	sub do_load_sync {	2182	sub do_load_sync {
1474	my ($map) = @_;	2183	my ($map) = @_;
1475		2184
		2185	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2186	if $Coro::current == $Coro::main;
		2187
1476	cf::sync_job { $map->load };	2188	cf::sync_job { $map->load };
1477	}	2189	}
1478		2190
1479	our %MAP_PREFETCH;	2191	our %MAP_PREFETCH;
1480	our $MAP_PREFETCHER = undef;	2192	our $MAP_PREFETCHER = undef;
1481		2193
1482	sub find_async {	2194	sub find_async {
1483	my ($path, $origin) = @_;	2195	my ($path, $origin, $load) = @_;
1484		2196
1485	$path = normalise $path, $origin && $origin->{path};	2197	$path = normalise $path, $origin && $origin->{path};
1486		2198
1487	if (my $map = $cf::MAP{$path}) {	2199	if (my $map = $cf::MAP{$path}) {
1488	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2200	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1489	}	2201	}
1490		2202
1491	undef $MAP_PREFETCH{$path};	2203	$MAP_PREFETCH{$path} |= $load;
		2204
1492	$MAP_PREFETCHER ||= cf::async {	2205	$MAP_PREFETCHER ||= cf::async {
		2206	$Coro::current->{desc} = "map prefetcher";
		2207
1493	while (%MAP_PREFETCH) {	2208	while (%MAP_PREFETCH) {
1494	for my $path (keys %MAP_PREFETCH) {	2209	while (my ($k, $v) = each %MAP_PREFETCH) {
1495	my $map = find $path	2210	if (my $map = find $k) {
1496	or next;
1497	$map->load;	2211	$map->load if $v;
		2212	}
1498		2213
1499	delete $MAP_PREFETCH{$path};	2214	delete $MAP_PREFETCH{$k};
1500	}	2215	}
1501	}	2216	}
1502	undef $MAP_PREFETCHER;	2217	undef $MAP_PREFETCHER;
1503	};	2218	};
1504	$MAP_PREFETCHER->prio (6);	2219	$MAP_PREFETCHER->prio (6);
…		…
1507	}	2222	}
1508		2223
1509	sub save {	2224	sub save {
1510	my ($self) = @_;	2225	my ($self) = @_;
1511		2226
1512	my $lock = cf::lock_acquire "map_data:" . $self->path;	2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
1513		2228
1514	$self->{last_save} = $cf::RUNTIME;	2229	$self->{last_save} = $cf::RUNTIME;
1515		2230
1516	return unless $self->dirty;	2231	return unless $self->dirty;
1517		2232
…		…
1523	return if $self->{deny_save};	2238	return if $self->{deny_save};
1524		2239
1525	local $self->{last_access} = $self->last_access;#d#	2240	local $self->{last_access} = $self->last_access;#d#
1526		2241
1527	cf::async {	2242	cf::async {
		2243	$Coro::current->{desc} = "map player save";
1528	$_->contr->save for $self->players;	2244	$_->contr->save for $self->players;
1529	};	2245	};
		2246
		2247	cf::get_slot 0.02;
1530		2248
1531	if ($uniq) {	2249	if ($uniq) {
1532	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2250	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1533	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2251	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1534	} else {	2252	} else {
…		…
1540	my ($self) = @_;	2258	my ($self) = @_;
1541		2259
1542	# save first because save cedes	2260	# save first because save cedes
1543	$self->save;	2261	$self->save;
1544		2262
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		2264
1547	return if $self->players;	2265	return if $self->players;
1548	return if $self->in_memory != cf::MAP_IN_MEMORY;	2266	return if $self->in_memory != cf::MAP_ACTIVE;
1549	return if $self->{deny_save};	2267	return if $self->{deny_save};
1550		2268
		2269	$self->in_memory (cf::MAP_SWAPPED);
		2270
		2271	$self->deactivate;
		2272	$_->clear_links_to ($self) for values %cf::MAP;
1551	$self->clear;	2273	$self->clear;
1552	$self->in_memory (cf::MAP_SWAPPED);
1553	}	2274	}
1554		2275
1555	sub reset_at {	2276	sub reset_at {
1556	my ($self) = @_;	2277	my ($self) = @_;
1557		2278
1558	# TODO: safety, remove and allow resettable per-player maps	2279	# TODO: safety, remove and allow resettable per-player maps
1559	return 1e99 if $self->isa ("ext::map_per_player");#d#
1560	return 1e99 if $self->{deny_reset};	2280	return 1e99 if $self->{deny_reset};
1561		2281
1562	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2282	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1563	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2283	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1564		2284
…		…
1575	my ($self) = @_;	2295	my ($self) = @_;
1576		2296
1577	my $lock = cf::lock_acquire "map_data:$self->{path}";	2297	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2298
1579	return if $self->players;	2299	return if $self->players;
1580	return if $self->isa ("ext::map_per_player");#d#
1581		2300
1582	warn "resetting map ", $self->path;#d#	2301	warn "resetting map ", $self->path;
		2302
		2303	$self->in_memory (cf::MAP_SWAPPED);
		2304
		2305	# need to save uniques path
		2306	unless ($self->{deny_save}) {
		2307	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2308
		2309	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2310	if $uniq;
		2311	}
1583		2312
1584	delete $cf::MAP{$self->path};	2313	delete $cf::MAP{$self->path};
1585		2314
1586	$self->in_memory (cf::MAP_SWAPPED);	2315	$self->deactivate;
		2316	$_->clear_links_to ($self) for values %cf::MAP;
1587	$self->clear;	2317	$self->clear;
1588
1589	$_->clear_links_to ($self) for values %cf::MAP;
1590		2318
1591	$self->unlink_save;	2319	$self->unlink_save;
1592	$self->destroy;	2320	$self->destroy;
1593	}	2321	}
1594		2322
1595	my $nuke_counter = "aaaa";	2323	my $nuke_counter = "aaaa";
1596		2324
1597	sub nuke {	2325	sub nuke {
1598	my ($self) = @_;	2326	my ($self) = @_;
1599		2327
		2328	{
		2329	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2330
1600	delete $cf::MAP{$self->path};	2331	delete $cf::MAP{$self->path};
1601		2332
1602	$self->unlink_save;	2333	$self->unlink_save;
1603		2334
1604	bless $self, "cf::map";	2335	bless $self, "cf::map";
1605	delete $self->{deny_reset};	2336	delete $self->{deny_reset};
1606	$self->{deny_save} = 1;	2337	$self->{deny_save} = 1;
1607	$self->reset_timeout (1);	2338	$self->reset_timeout (1);
1608	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2339	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1609		2340
1610	$cf::MAP{$self->path} = $self;	2341	$cf::MAP{$self->path} = $self;
		2342	}
1611		2343
1612	$self->reset; # polite request, might not happen	2344	$self->reset; # polite request, might not happen
		2345	}
		2346
		2347	=item $maps = cf::map::tmp_maps
		2348
		2349	Returns an arrayref with all map paths of currently instantiated and saved
		2350	maps. May block.
		2351
		2352	=cut
		2353
		2354	sub tmp_maps() {
		2355	[
		2356	map {
		2357	utf8::decode $_;
		2358	/\.map$/
		2359	? normalise $_
		2360	: ()
		2361	} @{ aio_readdir $TMPDIR or [] }
		2362	]
		2363	}
		2364
		2365	=item $maps = cf::map::random_maps
		2366
		2367	Returns an arrayref with all map paths of currently instantiated and saved
		2368	random maps. May block.
		2369
		2370	=cut
		2371
		2372	sub random_maps() {
		2373	[
		2374	map {
		2375	utf8::decode $_;
		2376	/\.map$/
		2377	? normalise "?random/$_"
		2378	: ()
		2379	} @{ aio_readdir $RANDOMDIR or [] }
		2380	]
1613	}	2381	}
1614		2382
1615	=item cf::map::unique_maps	2383	=item cf::map::unique_maps
1616		2384
1617	Returns an arrayref of paths of all shared maps that have	2385	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	2386	instantiated unique items. May block.
1619		2387
1620	=cut	2388	=cut
1621		2389
1622	sub unique_maps() {	2390	sub unique_maps() {
1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2391	[
1624	or return;	2392	map {
1625
1626	my @paths;
1627
1628	for (@$files) {
1629	utf8::decode $_;	2393	utf8::decode $_;
1630	next if /\.pst$/;	2394	s/\.map$//; # TODO future compatibility hack
1631	next unless /^$PATH_SEP/o;	2395	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1632		2396	? ()
1633	s/\.map$//;	2397	: normalise $_
1634	push @paths, $_;	2398	} @{ aio_readdir $UNIQUEDIR or [] }
1635	}	2399	]
1636
1637	\@paths
1638	}	2400	}
1639
1640	package cf;
1641		2401
1642	=back	2402	=back
1643		2403
1644	=head3 cf::object	2404	=head3 cf::object
1645		2405
…		…
1649		2409
1650	=over 4	2410	=over 4
1651		2411
1652	=item $ob->inv_recursive	2412	=item $ob->inv_recursive
1653		2413
1654	Returns the inventory of the object _and_ their inventories, recursively.	2414	Returns the inventory of the object I<and> their inventories, recursively,
		2415	but I<not> the object itself.
1655		2416
1656	=cut	2417	=cut
1657		2418
1658	sub inv_recursive_;	2419	sub inv_recursive_;
1659	sub inv_recursive_ {	2420	sub inv_recursive_ {
…		…
1662		2423
1663	sub inv_recursive {	2424	sub inv_recursive {
1664	inv_recursive_ inv $_[0]	2425	inv_recursive_ inv $_[0]
1665	}	2426	}
1666		2427
		2428	=item $ref = $ob->ref
		2429
		2430	Creates and returns a persistent reference to an object that can be stored as a string.
		2431
		2432	=item $ob = cf::object::deref ($refstring)
		2433
		2434	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2435	even if the object actually exists. May block.
		2436
		2437	=cut
		2438
		2439	sub deref {
		2440	my ($ref) = @_;
		2441
		2442	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2443	my ($uuid, $name) = ($1, $2);
		2444	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2445	or return;
		2446	$pl->ob->uuid eq $uuid
		2447	or return;
		2448
		2449	$pl->ob
		2450	} else {
		2451	warn "$ref: cannot resolve object reference\n";
		2452	undef
		2453	}
		2454	}
		2455
1667	package cf;	2456	package cf;
1668		2457
1669	=back	2458	=back
1670		2459
1671	=head3 cf::object::player	2460	=head3 cf::object::player
…		…
1677	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2466	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1678	can be C<undef>. Does the right thing when the player is currently in a	2467	can be C<undef>. Does the right thing when the player is currently in a
1679	dialogue with the given NPC character.	2468	dialogue with the given NPC character.
1680		2469
1681	=cut	2470	=cut
		2471
		2472	our $SAY_CHANNEL = {
		2473	id => "say",
		2474	title => "Map",
		2475	reply => "say ",
		2476	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2477	};
		2478
		2479	our $CHAT_CHANNEL = {
		2480	id => "chat",
		2481	title => "Chat",
		2482	reply => "chat ",
		2483	tooltip => "Player chat and shouts, global to the server.",
		2484	};
1682		2485
1683	# rough implementation of a future "reply" method that works	2486	# rough implementation of a future "reply" method that works
1684	# with dialog boxes.	2487	# with dialog boxes.
1685	#TODO: the first argument must go, split into a $npc->reply_to ( method	2488	#TODO: the first argument must go, split into a $npc->reply_to ( method
1686	sub cf::object::player::reply($$$;$) {	2489	sub cf::object::player::reply($$$;$) {
…		…
1688		2491
1689	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2492	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1690		2493
1691	if ($self->{record_replies}) {	2494	if ($self->{record_replies}) {
1692	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2495	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2496
1693	} else {	2497	} else {
		2498	my $pl = $self->contr;
		2499
		2500	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2501	my $dialog = $pl->{npc_dialog};
		2502	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2503
		2504	} else {
1694	$msg = $npc->name . " says: $msg" if $npc;	2505	$msg = $npc->name . " says: $msg" if $npc;
1695	$self->message ($msg, $flags);	2506	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2507	}
1696	}	2508	}
		2509	}
		2510
		2511	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2512
		2513	=cut
		2514
		2515	sub cf::object::send_msg {
		2516	my $pl = shift->contr
		2517	or return;
		2518	$pl->send_msg (@_);
1697	}	2519	}
1698		2520
1699	=item $player_object->may ("access")	2521	=item $player_object->may ("access")
1700		2522
1701	Returns wether the given player is authorized to access resource "access"	2523	Returns wether the given player is authorized to access resource "access"
…		…
1748	$self->deactivate_recursive;	2570	$self->deactivate_recursive;
1749		2571
1750	return if UNIVERSAL::isa $self->map, "ext::map_link";	2572	return if UNIVERSAL::isa $self->map, "ext::map_link";
1751		2573
1752	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2574	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1753	if $self->map;	2575	if $self->map && $self->map->{path} ne "{link}";
1754		2576
1755	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2577	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1756	}	2578	}
1757		2579
1758	sub cf::object::player::leave_link {	2580	sub cf::object::player::leave_link {
1759	my ($self, $map, $x, $y) = @_;	2581	my ($self, $map, $x, $y) = @_;
		2582
		2583	return unless $self->contr->active;
1760		2584
1761	my $link_pos = delete $self->{_link_pos};	2585	my $link_pos = delete $self->{_link_pos};
1762		2586
1763	unless ($map) {	2587	unless ($map) {
1764	# restore original map position	2588	# restore original map position
…		…
1778	# use -1 or undef as default coordinates, not 0, 0	2602	# use -1 or undef as default coordinates, not 0, 0
1779	($x, $y) = ($map->enter_x, $map->enter_y)	2603	($x, $y) = ($map->enter_x, $map->enter_y)
1780	if $x <=0 && $y <= 0;	2604	if $x <=0 && $y <= 0;
1781		2605
1782	$map->load;	2606	$map->load;
1783	$map->load_diag;	2607	$map->load_neighbours;
1784		2608
1785	return unless $self->contr->active;	2609	return unless $self->contr->active;
1786	$self->activate_recursive;	2610	$self->activate_recursive;
		2611
		2612	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1787	$self->enter_map ($map, $x, $y);	2613	$self->enter_map ($map, $x, $y);
1788	}	2614	}
1789		2615
1790	cf::player->attach (	2616	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1791	on_logout => sub {
1792	my ($pl) = @_;
1793		2617
1794	# abort map switching before logout	2618	Moves the player to the given map-path and coordinates by first freezing
1795	if ($pl->ob->{_link_pos}) {	2619	her, loading and preparing them map, calling the provided $check callback
1796	cf::sync_job {	2620	that has to return the map if sucecssful, and then unfreezes the player on
1797	$pl->ob->leave_link	2621	the new (success) or old (failed) map position. In either case, $done will
1798	};	2622	be called at the end of this process.
1799	}
1800	},
1801	on_login => sub {
1802	my ($pl) = @_;
1803		2623
1804	# try to abort aborted map switching on player login :)	2624	Note that $check will be called with a potentially non-loaded map, so if
1805	# should happen only on crashes	2625	it needs a loaded map it has to call C<< ->load >>.
1806	if ($pl->ob->{_link_pos}) {
1807	$pl->ob->enter_link;
1808	(async {
1809	# we need this sleep as the login has a concurrent enter_exit running
1810	# and this sleep increases chances of the player not ending up in scorn
1811	$pl->ob->reply (undef,
1812	"There was an internal problem at your last logout, "
1813	. "the server will try to bring you to your intended destination in a second.",
1814	cf::NDI_RED);
1815	Coro::Timer::sleep 1;
1816	$pl->ob->leave_link;
1817	})->prio (2);
1818	}
1819	},
1820	);
1821		2626
1822	=item $player_object->goto ($path, $x, $y)
1823
1824	=cut	2627	=cut
		2628
		2629	our $GOTOGEN;
1825		2630
1826	sub cf::object::player::goto {	2631	sub cf::object::player::goto {
1827	my ($self, $path, $x, $y) = @_;	2632	my ($self, $path, $x, $y, $check, $done) = @_;
		2633
		2634	# do generation counting so two concurrent goto's will be executed in-order
		2635	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1828		2636
1829	$self->enter_link;	2637	$self->enter_link;
1830		2638
1831	(async {	2639	(async {
		2640	$Coro::current->{desc} = "player::goto $path $x $y";
		2641
		2642	# *tag paths override both path and x|y
		2643	if ($path =~ /^\*(.*)$/) {
		2644	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2645	my $ob = $obs[rand @obs];
		2646
		2647	# see if we actually can go there
		2648	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2649	$ob = $obs[rand @obs];
		2650	} else {
		2651	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2652	}
		2653	# else put us there anyways for now #d#
		2654
		2655	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2656	} else {
		2657	($path, $x, $y) = (undef, undef, undef);
		2658	}
		2659	}
		2660
1832	my $map = eval {	2661	my $map = eval {
1833	my $map = cf::map::find $path;	2662	my $map = defined $path ? cf::map::find $path : undef;
		2663
		2664	if ($map) {
1834	$map = $map->customise_for ($self) if $map;	2665	$map = $map->customise_for ($self);
		2666	$map = $check->($map) if $check && $map;
		2667	} else {
		2668	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2669	}
		2670
1835	$map	2671	$map
		2672	};
		2673
		2674	if ($@) {
		2675	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2676	LOG llevError | logBacktrace, Carp::longmess $@;
1836	} or	2677	}
1837	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1838		2678
		2679	if ($gen == $self->{_goto_generation}) {
		2680	delete $self->{_goto_generation};
1839	$self->leave_link ($map, $x, $y);	2681	$self->leave_link ($map, $x, $y);
		2682	}
		2683
		2684	$done->() if $done;
1840	})->prio (1);	2685	})->prio (1);
1841	}	2686	}
1842		2687
1843	=item $player_object->enter_exit ($exit_object)	2688	=item $player_object->enter_exit ($exit_object)
1844		2689
…		…
1864	}	2709	}
1865		2710
1866	sub prepare_random_map {	2711	sub prepare_random_map {
1867	my ($exit) = @_;	2712	my ($exit) = @_;
1868		2713
1869	my $guard = cf::lock_acquire "exit_prepare:$exit";
1870
1871	# all this does is basically replace the /! path by	2714	# all this does is basically replace the /! path by
1872	# a new random map path (?random/...) with a seed	2715	# a new random map path (?random/...) with a seed
1873	# that depends on the exit object	2716	# that depends on the exit object
1874		2717
1875	my $rmp = parse_random_map_params $exit->msg;	2718	my $rmp = parse_random_map_params $exit->msg;
…		…
1877	if ($exit->map) {	2720	if ($exit->map) {
1878	$rmp->{region} = $exit->region->name;	2721	$rmp->{region} = $exit->region->name;
1879	$rmp->{origin_map} = $exit->map->path;	2722	$rmp->{origin_map} = $exit->map->path;
1880	$rmp->{origin_x} = $exit->x;	2723	$rmp->{origin_x} = $exit->x;
1881	$rmp->{origin_y} = $exit->y;	2724	$rmp->{origin_y} = $exit->y;
		2725
		2726	$exit->map->touch;
1882	}	2727	}
1883		2728
1884	$rmp->{random_seed} ||= $exit->random_seed;	2729	$rmp->{random_seed} ||= $exit->random_seed;
1885		2730
1886	my $data = cf::to_json $rmp;	2731	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1887	my $md5 = Digest::MD5::md5_hex $data;	2732	my $md5 = Digest::MD5::md5_hex $data;
1888	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2733	my $meta = "$RANDOMDIR/$md5.meta";
1889		2734
1890	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2735	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1891	aio_write $fh, 0, (length $data), $data, 0;	2736	aio_write $fh, 0, (length $data), $data, 0;
1892	undef $fh;	2737	undef $fh;
1893	aio_rename "$meta~", $meta;	2738	aio_rename "$meta~", $meta;
1894		2739
		2740	my $slaying = "?random/$md5";
		2741
		2742	if ($exit->valid) {
1895	$exit->slaying ("?random/$md5");	2743	$exit->slaying ("?random/$md5");
1896	$exit->msg (undef);	2744	$exit->msg (undef);
		2745	}
1897	}	2746	}
1898	}	2747	}
1899		2748
1900	sub cf::object::player::enter_exit {	2749	sub cf::object::player::enter_exit {
1901	my ($self, $exit) = @_;	2750	my ($self, $exit) = @_;
1902		2751
1903	return unless $self->type == cf::PLAYER;	2752	return unless $self->type == cf::PLAYER;
1904		2753
1905	if ($exit->slaying eq "/!") {
1906	#TODO: this should de-fi-ni-te-ly not be a sync-job
1907	cf::sync_job { prepare_random_map $exit };
1908	}
1909
1910	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1911	my $hp = $exit->stats->hp;
1912	my $sp = $exit->stats->sp;
1913
1914	$self->enter_link;	2754	$self->enter_link;
1915		2755
1916	(async {	2756	(async {
1917	$self->deactivate_recursive; # just to be sure	2757	$Coro::current->{desc} = "enter_exit";
		2758
1918	unless (eval {	2759	unless (eval {
		2760	$self->deactivate_recursive; # just to be sure
		2761
		2762	# random map handling
		2763	{
		2764	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2765
		2766	prepare_random_map $exit
		2767	if $exit->slaying eq "/!";
		2768	}
		2769
		2770	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2771	my $x = $exit->stats->hp;
		2772	my $y = $exit->stats->sp;
		2773
1919	$self->goto ($slaying, $hp, $sp);	2774	$self->goto ($map, $x, $y);
1920		2775
		2776	# if exit is damned, update players death & WoR home-position
		2777	$self->contr->savebed ($map, $x, $y)
		2778	if $exit->flag (cf::FLAG_DAMNED);
		2779
1921	1;	2780	1
1922	}) {	2781	}) {
1923	$self->message ("Something went wrong deep within the crossfire server. "	2782	$self->message ("Something went wrong deep within the crossfire server. "
1924	. "I'll try to bring you back to the map you were before. "	2783	. "I'll try to bring you back to the map you were before. "
1925	. "Please report this to the dungeon master!",	2784	. "Please report this to the dungeon master!",
1926	cf::NDI_UNIQUE | cf::NDI_RED);	2785	cf::NDI_UNIQUE | cf::NDI_RED);
1927		2786
1928	warn "ERROR in enter_exit: $@";	2787	warn "ERROR in enter_exit: $@";
1929	$self->leave_link;	2788	$self->leave_link;
1930	}	2789	}
1931	})->prio (1);	2790	})->prio (1);
…		…
1944		2803
1945	sub cf::client::send_drawinfo {	2804	sub cf::client::send_drawinfo {
1946	my ($self, $text, $flags) = @_;	2805	my ($self, $text, $flags) = @_;
1947		2806
1948	utf8::encode $text;	2807	utf8::encode $text;
1949	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2808	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1950	}	2809	}
1951		2810
		2811	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2812
		2813	Send a drawinfo or msg packet to the client, formatting the msg for the
		2814	client if neccessary. C<$type> should be a string identifying the type of
		2815	the message, with C<log> being the default. If C<$color> is negative, suppress
		2816	the message unless the client supports the msg packet.
		2817
		2818	=cut
		2819
		2820	# non-persistent channels (usually the info channel)
		2821	our %CHANNEL = (
		2822	"c/identify" => {
		2823	id => "infobox",
		2824	title => "Identify",
		2825	reply => undef,
		2826	tooltip => "Items recently identified",
		2827	},
		2828	"c/examine" => {
		2829	id => "infobox",
		2830	title => "Examine",
		2831	reply => undef,
		2832	tooltip => "Signs and other items you examined",
		2833	},
		2834	"c/book" => {
		2835	id => "infobox",
		2836	title => "Book",
		2837	reply => undef,
		2838	tooltip => "The contents of a note or book",
		2839	},
		2840	"c/lookat" => {
		2841	id => "infobox",
		2842	title => "Look",
		2843	reply => undef,
		2844	tooltip => "What you saw there",
		2845	},
		2846	"c/who" => {
		2847	id => "infobox",
		2848	title => "Players",
		2849	reply => undef,
		2850	tooltip => "Shows players who are currently online",
		2851	},
		2852	"c/body" => {
		2853	id => "infobox",
		2854	title => "Body Parts",
		2855	reply => undef,
		2856	tooltip => "Shows which body parts you posess and are available",
		2857	},
		2858	"c/uptime" => {
		2859	id => "infobox",
		2860	title => "Uptime",
		2861	reply => undef,
		2862	tooltip => "How long the server has been running since last restart",
		2863	},
		2864	"c/mapinfo" => {
		2865	id => "infobox",
		2866	title => "Map Info",
		2867	reply => undef,
		2868	tooltip => "Information related to the maps",
		2869	},
		2870	"c/party" => {
		2871	id => "party",
		2872	title => "Party",
		2873	reply => "gsay ",
		2874	tooltip => "Messages and chat related to your party",
		2875	},
		2876	);
		2877
		2878	sub cf::client::send_msg {
		2879	my ($self, $channel, $msg, $color, @extra) = @_;
		2880
		2881	$msg = $self->pl->expand_cfpod ($msg);
		2882
		2883	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2884
		2885	# check predefined channels, for the benefit of C
		2886	if ($CHANNEL{$channel}) {
		2887	$channel = $CHANNEL{$channel};
		2888
		2889	$self->ext_msg (channel_info => $channel)
		2890	if $self->can_msg;
		2891
		2892	$channel = $channel->{id};
		2893
		2894	} elsif (ref $channel) {
		2895	# send meta info to client, if not yet sent
		2896	unless (exists $self->{channel}{$channel->{id}}) {
		2897	$self->{channel}{$channel->{id}} = $channel;
		2898	$self->ext_msg (channel_info => $channel)
		2899	if $self->can_msg;
		2900	}
		2901
		2902	$channel = $channel->{id};
		2903	}
		2904
		2905	return unless @extra || length $msg;
		2906
		2907	if ($self->can_msg) {
		2908	# default colour, mask it out
		2909	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2910	if $color & cf::NDI_DEF;
		2911
		2912	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2913	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2914	} else {
		2915	if ($color >= 0) {
		2916	# replace some tags by gcfclient-compatible ones
		2917	for ($msg) {
		2918	1 while
		2919	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2920	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2921	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2922	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2923	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2924	}
		2925
		2926	$color &= cf::NDI_COLOR_MASK;
		2927
		2928	utf8::encode $msg;
		2929
		2930	if (0 && $msg =~ /\[/) {
		2931	# COMMAND/INFO
		2932	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2933	} else {
		2934	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2935	$self->send_packet ("drawinfo $color $msg")
		2936	}
		2937	}
		2938	}
		2939	}
		2940
		2941	=item $client->ext_msg ($type, @msg)
		2942
		2943	Sends an ext event to the client.
		2944
		2945	=cut
		2946
		2947	sub cf::client::ext_msg($$@) {
		2948	my ($self, $type, @msg) = @_;
		2949
		2950	if ($self->extcmd == 2) {
		2951	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2952	} elsif ($self->extcmd == 1) { # TODO: remove
		2953	push @msg, msgtype => "event_$type";
		2954	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2955	}
		2956	}
		2957
		2958	=item $client->ext_reply ($msgid, @msg)
		2959
		2960	Sends an ext reply to the client.
		2961
		2962	=cut
		2963
		2964	sub cf::client::ext_reply($$@) {
		2965	my ($self, $id, @msg) = @_;
		2966
		2967	if ($self->extcmd == 2) {
		2968	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2969	} elsif ($self->extcmd == 1) {
		2970	#TODO: version 1, remove
		2971	unshift @msg, msgtype => "reply", msgid => $id;
		2972	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2973	}
		2974	}
1952		2975
1953	=item $success = $client->query ($flags, "text", \&cb)	2976	=item $success = $client->query ($flags, "text", \&cb)
1954		2977
1955	Queues a query to the client, calling the given callback with	2978	Queues a query to the client, calling the given callback with
1956	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2979	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1957	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2980	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1958		2981
1959	Queries can fail, so check the return code. Or don't, as queries will become	2982	Queries can fail, so check the return code. Or don't, as queries will
1960	reliable at some point in the future.	2983	become reliable at some point in the future.
1961		2984
1962	=cut	2985	=cut
1963		2986
1964	sub cf::client::query {	2987	sub cf::client::query {
1965	my ($self, $flags, $text, $cb) = @_;	2988	my ($self, $flags, $text, $cb) = @_;
…		…
1973	utf8::encode $text;	2996	utf8::encode $text;
1974	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2997	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1975		2998
1976	$self->send_packet ($self->{query_queue}[0][0])	2999	$self->send_packet ($self->{query_queue}[0][0])
1977	if @{ $self->{query_queue} } == 1;	3000	if @{ $self->{query_queue} } == 1;
		3001
		3002	1
1978	}	3003	}
1979		3004
1980	cf::client->attach (	3005	cf::client->attach (
		3006	on_connect => sub {
		3007	my ($ns) = @_;
		3008
		3009	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3010	},
1981	on_reply => sub {	3011	on_reply => sub {
1982	my ($ns, $msg) = @_;	3012	my ($ns, $msg) = @_;
1983		3013
1984	# this weird shuffling is so that direct followup queries	3014	# this weird shuffling is so that direct followup queries
1985	# get handled first	3015	# get handled first
1986	my $queue = delete $ns->{query_queue}	3016	my $queue = delete $ns->{query_queue}
1987	or return; # be conservative, not sure how that can happen, but we saw a crash here	3017	or return; # be conservative, not sure how that can happen, but we saw a crash here
1988		3018
1989	(shift @$queue)->[1]->($msg);	3019	(shift @$queue)->[1]->($msg);
		3020	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1990		3021
1991	push @{ $ns->{query_queue} }, @$queue;	3022	push @{ $ns->{query_queue} }, @$queue;
1992		3023
1993	if (@{ $ns->{query_queue} } == @$queue) {	3024	if (@{ $ns->{query_queue} } == @$queue) {
1994	if (@$queue) {	3025	if (@$queue) {
…		…
1996	} else {	3027	} else {
1997	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3028	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1998	}	3029	}
1999	}	3030	}
2000	},	3031	},
		3032	on_exticmd => sub {
		3033	my ($ns, $buf) = @_;
		3034
		3035	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3036
		3037	if (ref $msg) {
		3038	my ($type, $reply, @payload) =
		3039	"ARRAY" eq ref $msg
		3040	? @$msg
		3041	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3042
		3043	my @reply;
		3044
		3045	if (my $cb = $EXTICMD{$type}) {
		3046	@reply = $cb->($ns, @payload);
		3047	}
		3048
		3049	$ns->ext_reply ($reply, @reply)
		3050	if $reply;
		3051
		3052	} else {
		3053	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3054	}
		3055
		3056	cf::override;
		3057	},
2001	);	3058	);
2002		3059
2003	=item $client->async (\&cb)	3060	=item $client->async (\&cb)
2004		3061
2005	Create a new coroutine, running the specified callback. The coroutine will	3062	Create a new coroutine, running the specified callback. The coroutine will
…		…
2046	our $safe = new Safe "safe";	3103	our $safe = new Safe "safe";
2047	our $safe_hole = new Safe::Hole;	3104	our $safe_hole = new Safe::Hole;
2048		3105
2049	$SIG{FPE} = 'IGNORE';	3106	$SIG{FPE} = 'IGNORE';
2050		3107
2051	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3108	$safe->permit_only (Opcode::opset qw(
		3109	:base_core :base_mem :base_orig :base_math
		3110	grepstart grepwhile mapstart mapwhile
		3111	sort time
		3112	));
2052		3113
2053	# here we export the classes and methods available to script code	3114	# here we export the classes and methods available to script code
2054		3115
2055	=pod	3116	=pod
2056		3117
2057	The following fucntions and emthods are available within a safe environment:	3118	The following functions and methods are available within a safe environment:
2058		3119
2059	cf::object contr pay_amount pay_player map	3120	cf::object
		3121	contr pay_amount pay_player map x y force_find force_add destroy
		3122	insert remove name archname title slaying race decrease split
		3123
2060	cf::object::player player	3124	cf::object::player
2061	cf::player peaceful	3125	player
2062	cf::map trigger	3126
		3127	cf::player
		3128	peaceful
		3129
		3130	cf::map
		3131	trigger
2063		3132
2064	=cut	3133	=cut
2065		3134
2066	for (	3135	for (
2067	["cf::object" => qw(contr pay_amount pay_player map)],	3136	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3137	insert remove inv nrof name archname title slaying race
		3138	decrease split destroy change_exp)],
2068	["cf::object::player" => qw(player)],	3139	["cf::object::player" => qw(player)],
2069	["cf::player" => qw(peaceful)],	3140	["cf::player" => qw(peaceful)],
2070	["cf::map" => qw(trigger)],	3141	["cf::map" => qw(trigger)],
2071	) {	3142	) {
2072	no strict 'refs';	3143	no strict 'refs';
…		…
2143	=back	3214	=back
2144		3215
2145	=cut	3216	=cut
2146		3217
2147	#############################################################################	3218	#############################################################################
		3219	# the server's init and main functions
2148		3220
2149	=head2 EXTENSION DATABASE SUPPORT	3221	sub load_facedata($) {
		3222	my ($path) = @_;
2150		3223
2151	Crossfire maintains a very simple database for extension use. It can	3224	# HACK to clear player env face cache, we need some signal framework
2152	currently store anything that can be serialised using Storable, which	3225	# for this (global event?)
2153	excludes objects.	3226	%ext::player_env::MUSIC_FACE_CACHE = ();
2154		3227
2155	The parameter C<$family> should best start with the name of the extension	3228	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2156	using it, it should be unique.
2157		3229
2158	=over 4	3230	warn "loading facedata from $path\n";
2159		3231
2160	=item $hashref = cf::db_get $family	3232	my $facedata;
		3233	0 < aio_load $path, $facedata
		3234	or die "$path: $!";
2161		3235
2162	Return a hashref for use by the extension C<$family>, which can be	3236	$facedata = Coro::Storable::thaw $facedata;
2163	modified. After modifications, you have to call C<cf::db_dirty> or
2164	C<cf::db_sync>.
2165		3237
2166	=item $value = cf::db_get $family => $key	3238	$facedata->{version} == 2
		3239	or cf::cleanup "$path: version mismatch, cannot proceed.";
2167		3240
2168	Returns a single value from the database	3241	# patch in the exptable
2169		3242	$facedata->{resource}{"res/exp_table"} = {
2170	=item cf::db_put $family => $hashref	3243	type => FT_RSRC,
2171		3244	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2172	Stores the given family hashref into the database. Updates are delayed, if
2173	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2174
2175	=item cf::db_put $family => $key => $value
2176
2177	Stores the given C<$value> in the family hash. Updates are delayed, if you
2178	want the data to be synced to disk immediately, use C<cf::db_sync>.
2179
2180	=item cf::db_dirty
2181
2182	Marks the database as dirty, to be updated at a later time.
2183
2184	=item cf::db_sync
2185
2186	Immediately write the database to disk I<if it is dirty>.
2187
2188	=cut
2189
2190	our $DB;
2191
2192	{
2193	my $path = cf::localdir . "/database.pst";
2194
2195	sub db_load() {
2196	$DB = stat $path ? Storable::retrieve $path : { };
2197	}	3245	};
		3246	cf::cede_to_tick;
2198		3247
2199	my $pid;
2200
2201	sub db_save() {
2202	waitpid $pid, 0 if $pid;
2203	if (0 == ($pid = fork)) {
2204	$DB->{_meta}{version} = 1;
2205	Storable::nstore $DB, "$path~";
2206	rename "$path~", $path;
2207	cf::_exit 0 if defined $pid;
2208	}
2209	}	3248	{
		3249	my $faces = $facedata->{faceinfo};
2210		3250
2211	my $dirty;	3251	while (my ($face, $info) = each %$faces) {
		3252	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2212		3253
2213	sub db_sync() {	3254	cf::face::set_visibility $idx, $info->{visibility};
2214	db_save if $dirty;	3255	cf::face::set_magicmap $idx, $info->{magicmap};
2215	undef $dirty;	3256	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2216	}	3257	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2217		3258
2218	my $idle = Event->idle (	3259	cf::cede_to_tick;
2219	reentrant => 0,
2220	min => 10,
2221	max => 20,
2222	repeat => 0,
2223	data => WF_AUTOCANCEL,
2224	cb => \&db_sync,
2225	);
2226
2227	sub db_dirty() {
2228	$dirty = 1;
2229	$idle->start;
2230	}
2231
2232	sub db_get($;$) {
2233	@_ >= 2
2234	? $DB->{$_[0]}{$_[1]}
2235	: ($DB->{$_[0]} ||= { })
2236	}
2237
2238	sub db_put($$;$) {
2239	if (@_ >= 3) {
2240	$DB->{$_[0]}{$_[1]} = $_[2];
2241	} else {
2242	$DB->{$_[0]} = $_[1];
2243	}
2244	db_dirty;
2245	}
2246
2247	cf::global->attach (
2248	prio => 10000,
2249	on_cleanup => sub {
2250	db_sync;
2251	},	3260	}
2252	);
2253	}
2254		3261
2255	#############################################################################	3262	while (my ($face, $info) = each %$faces) {
2256	# the server's main()	3263	next unless $info->{smooth};
2257		3264
2258	sub cfg_load {	3265	my $idx = cf::face::find $face
		3266	or next;
		3267
		3268	if (my $smooth = cf::face::find $info->{smooth}) {
		3269	cf::face::set_smooth $idx, $smooth;
		3270	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3271	} else {
		3272	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3273	}
		3274
		3275	cf::cede_to_tick;
		3276	}
		3277	}
		3278
		3279	{
		3280	my $anims = $facedata->{animinfo};
		3281
		3282	while (my ($anim, $info) = each %$anims) {
		3283	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3284	cf::cede_to_tick;
		3285	}
		3286
		3287	cf::anim::invalidate_all; # d'oh
		3288	}
		3289
		3290	{
		3291	# TODO: for gcfclient pleasure, we should give resources
		3292	# that gcfclient doesn't grok a >10000 face index.
		3293	my $res = $facedata->{resource};
		3294
		3295	while (my ($name, $info) = each %$res) {
		3296	if (defined $info->{type}) {
		3297	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3298	my $data;
		3299
		3300	if ($info->{type} & 1) {
		3301	# prepend meta info
		3302
		3303	my $meta = $enc->encode ({
		3304	name => $name,
		3305	%{ $info->{meta} || {} },
		3306	});
		3307
		3308	$data = pack "(w/a*)*", $meta, $info->{data};
		3309	} else {
		3310	$data = $info->{data};
		3311	}
		3312
		3313	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3314	cf::face::set_type $idx, $info->{type};
		3315	} else {
		3316	$RESOURCE{$name} = $info;
		3317	}
		3318
		3319	cf::cede_to_tick;
		3320	}
		3321	}
		3322
		3323	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3324
		3325	1
		3326	}
		3327
		3328	cf::global->attach (on_resource_update => sub {
		3329	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3330	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3331
		3332	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3333	my $sound = $soundconf->{compat}[$_]
		3334	or next;
		3335
		3336	my $face = cf::face::find "sound/$sound->[1]";
		3337	cf::sound::set $sound->[0] => $face;
		3338	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3339	}
		3340
		3341	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3342	my $face = cf::face::find "sound/$v";
		3343	cf::sound::set $k => $face;
		3344	}
		3345	}
		3346	});
		3347
		3348	register_exticmd fx_want => sub {
		3349	my ($ns, $want) = @_;
		3350
		3351	while (my ($k, $v) = each %$want) {
		3352	$ns->fx_want ($k, $v);
		3353	}
		3354	};
		3355
		3356	sub load_resource_file($) {
		3357	my $guard = lock_acquire "load_resource_file";
		3358
		3359	my $status = load_resource_file_ $_[0];
		3360	get_slot 0.1, 100;
		3361	cf::arch::commit_load;
		3362
		3363	$status
		3364	}
		3365
		3366	sub reload_regions {
		3367	# HACK to clear player env face cache, we need some signal framework
		3368	# for this (global event?)
		3369	%ext::player_env::MUSIC_FACE_CACHE = ();
		3370
		3371	load_resource_file "$MAPDIR/regions"
		3372	or die "unable to load regions file\n";
		3373
		3374	for (cf::region::list) {
		3375	$_->{match} = qr/$_->{match}/
		3376	if exists $_->{match};
		3377	}
		3378	}
		3379
		3380	sub reload_facedata {
		3381	load_facedata "$DATADIR/facedata"
		3382	or die "unable to load facedata\n";
		3383	}
		3384
		3385	sub reload_archetypes {
		3386	load_resource_file "$DATADIR/archetypes"
		3387	or die "unable to load archetypes\n";
		3388	}
		3389
		3390	sub reload_treasures {
		3391	load_resource_file "$DATADIR/treasures"
		3392	or die "unable to load treasurelists\n";
		3393	}
		3394
		3395	sub reload_resources {
		3396	warn "reloading resource files...\n";
		3397
		3398	reload_facedata;
		3399	reload_archetypes;
		3400	reload_regions;
		3401	reload_treasures;
		3402
		3403	warn "finished reloading resource files\n";
		3404	}
		3405
		3406	sub init {
		3407	my $guard = freeze_mainloop;
		3408
		3409	evthread_start IO::AIO::poll_fileno;
		3410
		3411	reload_resources;
		3412	}
		3413
		3414	sub reload_config {
2259	open my $fh, "<:utf8", cf::confdir . "/config"	3415	open my $fh, "<:utf8", "$CONFDIR/config"
2260	or return;	3416	or return;
2261		3417
2262	local $/;	3418	local $/;
2263	*CFG = YAML::Syck::Load <$fh>;	3419	*CFG = YAML::Load <$fh>;
2264		3420
2265	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3421	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2266		3422
2267	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3423	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2268	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3424	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2279	sub main {	3435	sub main {
2280	# we must not ever block the main coroutine	3436	# we must not ever block the main coroutine
2281	local $Coro::idle = sub {	3437	local $Coro::idle = sub {
2282	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3438	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2283	(async {	3439	(async {
2284	Event::one_event;	3440	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3441	EV::loop EV::LOOP_ONESHOT;
2285	})->prio (Coro::PRIO_MAX);	3442	})->prio (Coro::PRIO_MAX);
2286	};	3443	};
2287		3444
2288	cfg_load;	3445	{
2289	db_load;	3446	my $guard = freeze_mainloop;
		3447	reload_config;
		3448	db_init;
2290	load_extensions;	3449	load_extensions;
2291		3450
2292	$TICK_WATCHER->start;	3451	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3452	}
		3453
2293	Event::loop;	3454	EV::loop;
2294	}	3455	}
2295		3456
2296	#############################################################################	3457	#############################################################################
2297	# initialisation and cleanup	3458	# initialisation and cleanup
2298		3459
2299	# install some emergency cleanup handlers	3460	# install some emergency cleanup handlers
2300	BEGIN {	3461	BEGIN {
		3462	our %SIGWATCHER = ();
2301	for my $signal (qw(INT HUP TERM)) {	3463	for my $signal (qw(INT HUP TERM)) {
2302	Event->signal (	3464	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2303	reentrant => 0,
2304	data => WF_AUTOCANCEL,
2305	signal => $signal,
2306	prio => 0,
2307	cb => sub {
2308	cf::cleanup "SIG$signal";	3465	cf::cleanup "SIG$signal";
2309	},
2310	);	3466	};
		3467	}
		3468	}
		3469
		3470	sub write_runtime_sync {
		3471	my $runtime = "$LOCALDIR/runtime";
		3472
		3473	# first touch the runtime file to show we are still running:
		3474	# the fsync below can take a very very long time.
		3475
		3476	IO::AIO::aio_utime $runtime, undef, undef;
		3477
		3478	my $guard = cf::lock_acquire "write_runtime";
		3479
		3480	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3481	or return;
		3482
		3483	my $value = $cf::RUNTIME + 90 + 10;
		3484	# 10 is the runtime save interval, for a monotonic clock
		3485	# 60 allows for the watchdog to kill the server.
		3486
		3487	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3488	and return;
		3489
		3490	# always fsync - this file is important
		3491	aio_fsync $fh
		3492	and return;
		3493
		3494	# touch it again to show we are up-to-date
		3495	aio_utime $fh, undef, undef;
		3496
		3497	close $fh
		3498	or return;
		3499
		3500	aio_rename "$runtime~", $runtime
		3501	and return;
		3502
		3503	warn "runtime file written.\n";
		3504
2311	}	3505	1
		3506	}
		3507
		3508	our $uuid_lock;
		3509	our $uuid_skip;
		3510
		3511	sub write_uuid_sync($) {
		3512	$uuid_skip ||= $_[0];
		3513
		3514	return if $uuid_lock;
		3515	local $uuid_lock = 1;
		3516
		3517	my $uuid = "$LOCALDIR/uuid";
		3518
		3519	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3520	or return;
		3521
		3522	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3523	$uuid_skip = 0;
		3524
		3525	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3526	and return;
		3527
		3528	# always fsync - this file is important
		3529	aio_fsync $fh
		3530	and return;
		3531
		3532	close $fh
		3533	or return;
		3534
		3535	aio_rename "$uuid~", $uuid
		3536	and return;
		3537
		3538	warn "uuid file written ($value).\n";
		3539
		3540	1
		3541
		3542	}
		3543
		3544	sub write_uuid($$) {
		3545	my ($skip, $sync) = @_;
		3546
		3547	$sync ? write_uuid_sync $skip
		3548	: async { write_uuid_sync $skip };
2312	}	3549	}
2313		3550
2314	sub emergency_save() {	3551	sub emergency_save() {
2315	my $freeze_guard = cf::freeze_mainloop;	3552	my $freeze_guard = cf::freeze_mainloop;
2316		3553
…		…
2322	# and maps saved/destroyed asynchronously.	3559	# and maps saved/destroyed asynchronously.
2323	warn "begin emergency player save\n";	3560	warn "begin emergency player save\n";
2324	for my $login (keys %cf::PLAYER) {	3561	for my $login (keys %cf::PLAYER) {
2325	my $pl = $cf::PLAYER{$login} or next;	3562	my $pl = $cf::PLAYER{$login} or next;
2326	$pl->valid or next;	3563	$pl->valid or next;
		3564	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2327	$pl->save;	3565	$pl->save;
2328	}	3566	}
2329	warn "end emergency player save\n";	3567	warn "end emergency player save\n";
2330		3568
2331	warn "begin emergency map save\n";	3569	warn "begin emergency map save\n";
…		…
2333	my $map = $cf::MAP{$path} or next;	3571	my $map = $cf::MAP{$path} or next;
2334	$map->valid or next;	3572	$map->valid or next;
2335	$map->save;	3573	$map->save;
2336	}	3574	}
2337	warn "end emergency map save\n";	3575	warn "end emergency map save\n";
		3576
		3577	warn "begin emergency database checkpoint\n";
		3578	BDB::db_env_txn_checkpoint $DB_ENV;
		3579	warn "end emergency database checkpoint\n";
		3580
		3581	warn "begin write uuid\n";
		3582	write_uuid_sync 1;
		3583	warn "end write uuid\n";
2338	};	3584	};
2339		3585
2340	warn "leave emergency perl save\n";	3586	warn "leave emergency perl save\n";
2341	}	3587	}
2342		3588
		3589	sub post_cleanup {
		3590	my ($make_core) = @_;
		3591
		3592	warn Carp::longmess "post_cleanup backtrace"
		3593	if $make_core;
		3594	}
		3595
		3596	# a safer delete_package, copied from Symbol
		3597	sub clear_package($) {
		3598	my $pkg = shift;
		3599
		3600	# expand to full symbol table name if needed
		3601	unless ($pkg =~ /^main::.*::$/) {
		3602	$pkg = "main$pkg" if $pkg =~ /^::/;
		3603	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3604	$pkg .= '::' unless $pkg =~ /::$/;
		3605	}
		3606
		3607	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3608	my $stem_symtab = *{$stem}{HASH};
		3609
		3610	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3611	or return;
		3612
		3613	# clear all symbols
		3614	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3615	for my $name (keys %$leaf_symtab) {
		3616	_gv_clear *{"$pkg$name"};
		3617	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3618	}
		3619	warn "cleared package #$pkg\n";#d#
		3620	}
		3621
		3622	our $RELOAD; # how many times to reload
		3623
2343	sub reload() {	3624	sub do_reload_perl() {
2344	# can/must only be called in main	3625	# can/must only be called in main
2345	if ($Coro::current != $Coro::main) {	3626	if ($Coro::current != $Coro::main) {
2346	warn "can only reload from main coroutine";	3627	warn "can only reload from main coroutine";
2347	return;	3628	return;
2348	}	3629	}
2349		3630
		3631	return if $RELOAD++;
		3632
		3633	while ($RELOAD) {
2350	warn "reloading...";	3634	warn "reloading...";
2351		3635
2352	warn "cancelling server ticker";	3636	warn "entering sync_job";
2353	$TICK_WATCHER->cancel;
2354		3637
		3638	cf::sync_job {
		3639	cf::write_runtime_sync; # external watchdog should not bark
2355	cf::emergency_save;	3640	cf::emergency_save;
		3641	cf::write_runtime_sync; # external watchdog should not bark
2356		3642
2357	eval {	3643	warn "syncing database to disk";
		3644	BDB::db_env_txn_checkpoint $DB_ENV;
		3645
2358	# if anything goes wrong in here, we should simply crash as we already saved	3646	# if anything goes wrong in here, we should simply crash as we already saved
2359		3647
2360	warn "syncing database to disk";
2361	cf::db_sync;
2362
2363	warn "cancelling all WF_AUTOCANCEL watchers";
2364	for (Event::all_watchers) {
2365	$_->cancel if $_->data & WF_AUTOCANCEL;
2366	}
2367
2368	warn "flushing outstanding aio requests";	3648	warn "flushing outstanding aio requests";
2369	for (;;) {	3649	while (IO::AIO::nreqs || BDB::nreqs) {
2370	IO::AIO::flush;	3650	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2371	Coro::cede;
2372	last unless IO::AIO::nreqs;
2373	warn "iterate...";
2374	}
2375
2376	warn "cancelling all extension coros";
2377	$_->cancel for values %EXT_CORO;
2378	%EXT_CORO = ();
2379
2380	warn "removing commands";
2381	%COMMAND = ();
2382
2383	warn "removing ext commands";
2384	%EXTCMD = ();
2385
2386	warn "unloading/nuking all extensions";
2387	for my $pkg (@EXTS) {
2388	warn "... unloading $pkg";
2389
2390	if (my $cb = $pkg->can ("unload")) {
2391	eval {
2392	$cb->($pkg);
2393	1
2394	} or warn "$pkg unloaded, but with errors: $@";
2395	}	3651	}
2396		3652
2397	warn "... nuking $pkg";	3653	warn "cancelling all extension coros";
2398	Symbol::delete_package $pkg;	3654	$_->cancel for values %EXT_CORO;
2399	}	3655	%EXT_CORO = ();
2400		3656
2401	warn "unloading all perl modules loaded from $LIBDIR";	3657	warn "removing commands";
2402	while (my ($k, $v) = each %INC) {	3658	%COMMAND = ();
2403	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2404		3659
		3660	warn "removing ext/exti commands";
		3661	%EXTCMD = ();
		3662	%EXTICMD = ();
		3663
		3664	warn "unloading/nuking all extensions";
		3665	for my $pkg (@EXTS) {
2405	warn "... unloading $k";	3666	warn "... unloading $pkg";
2406	delete $INC{$k};
2407		3667
2408	$k =~ s/\.pm$//;
2409	$k =~ s/\//::/g;
2410
2411	if (my $cb = $k->can ("unload_module")) {	3668	if (my $cb = $pkg->can ("unload")) {
		3669	eval {
2412	$cb->();	3670	$cb->($pkg);
		3671	1
		3672	} or warn "$pkg unloaded, but with errors: $@";
		3673	}
		3674
		3675	warn "... clearing $pkg";
		3676	clear_package $pkg;
2413	}	3677	}
2414		3678
2415	Symbol::delete_package $k;	3679	warn "unloading all perl modules loaded from $LIBDIR";
		3680	while (my ($k, $v) = each %INC) {
		3681	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3682
		3683	warn "... unloading $k";
		3684	delete $INC{$k};
		3685
		3686	$k =~ s/\.pm$//;
		3687	$k =~ s/\//::/g;
		3688
		3689	if (my $cb = $k->can ("unload_module")) {
		3690	$cb->();
		3691	}
		3692
		3693	clear_package $k;
2416	}	3694	}
2417		3695
2418	warn "getting rid of safe::, as good as possible";	3696	warn "getting rid of safe::, as good as possible";
2419	Symbol::delete_package "safe::$_"	3697	clear_package "safe::$_"
2420	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3698	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2421		3699
2422	warn "unloading cf.pm \"a bit\"";	3700	warn "unloading cf.pm \"a bit\"";
2423	delete $INC{"cf.pm"};	3701	delete $INC{"cf.pm"};
		3702	delete $INC{"cf/pod.pm"};
2424		3703
2425	# don't, removes xs symbols, too,	3704	# don't, removes xs symbols, too,
2426	# and global variables created in xs	3705	# and global variables created in xs
2427	#Symbol::delete_package __PACKAGE__;	3706	#clear_package __PACKAGE__;
2428		3707
2429	warn "unload completed, starting to reload now";	3708	warn "unload completed, starting to reload now";
2430		3709
2431	warn "reloading cf.pm";	3710	warn "reloading cf.pm";
2432	require cf;	3711	require cf;
2433	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3712	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2434		3713
2435	warn "loading config and database again";	3714	warn "loading config and database again";
2436	cf::cfg_load;	3715	cf::reload_config;
2437	cf::db_load;
2438		3716
2439	warn "loading extensions";	3717	warn "loading extensions";
2440	cf::load_extensions;	3718	cf::load_extensions;
2441		3719
2442	warn "reattaching attachments to objects/players";	3720	warn "reattaching attachments to objects/players";
2443	_global_reattach;	3721	_global_reattach; # objects, sockets
2444	warn "reattaching attachments to maps";	3722	warn "reattaching attachments to maps";
2445	reattach $_ for values %MAP;	3723	reattach $_ for values %MAP;
		3724	warn "reattaching attachments to players";
		3725	reattach $_ for values %PLAYER;
2446		3726
2447	warn "restarting server ticker";	3727	warn "leaving sync_job";
2448		3728
2449	$TICK_WATCHER->start;	3729	1
		3730	} or do {
		3731	warn $@;
		3732	cf::cleanup "error while reloading, exiting.";
		3733	};
		3734
		3735	warn "reloaded";
		3736	--$RELOAD;
		3737	}
		3738	};
		3739
		3740	our $RELOAD_WATCHER; # used only during reload
		3741
		3742	sub reload_perl() {
		3743	# doing reload synchronously and two reloads happen back-to-back,
		3744	# coro crashes during coro_state_free->destroy here.
		3745
		3746	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3747	do_reload_perl;
		3748	undef $RELOAD_WATCHER;
2450	};	3749	};
2451		3750	}
2452	if ($@) {
2453	warn $@;
2454	warn "error while reloading, exiting.";
2455	exit 1;
2456	}
2457
2458	warn "reloaded";
2459	};
2460
2461	our $RELOAD_WATCHER; # used only during reload
2462		3751
2463	register_command "reload" => sub {	3752	register_command "reload" => sub {
2464	my ($who, $arg) = @_;	3753	my ($who, $arg) = @_;
2465		3754
2466	if ($who->flag (FLAG_WIZ)) {	3755	if ($who->flag (FLAG_WIZ)) {
2467	$who->message ("reloading server.");	3756	$who->message ("reloading server.");
2468		3757	async {
2469	# doing reload synchronously and two reloads happen back-to-back,	3758	$Coro::current->{desc} = "perl_reload";
2470	# coro crashes during coro_state_free->destroy here.
2471
2472	$RELOAD_WATCHER ||= Event->timer (
2473	reentrant => 0,
2474	after => 0,
2475	data => WF_AUTOCANCEL,
2476	cb => sub {
2477	reload;	3759	reload_perl;
2478	undef $RELOAD_WATCHER;
2479	},
2480	);	3760	};
2481	}	3761	}
2482	};	3762	};
2483		3763
2484	unshift @INC, $LIBDIR;	3764	unshift @INC, $LIBDIR;
2485		3765
2486	my $bug_warning = 0;	3766	my $bug_warning = 0;
2487		3767
2488	$TICK_WATCHER = Event->timer (	3768	our @WAIT_FOR_TICK;
2489	reentrant => 0,	3769	our @WAIT_FOR_TICK_BEGIN;
2490	parked => 1,	3770
2491	prio => 0,	3771	sub wait_for_tick {
2492	at => $NEXT_TICK || $TICK,	3772	return if tick_inhibit || $Coro::current == $Coro::main;
2493	data => WF_AUTOCANCEL,	3773
2494	cb => sub {	3774	my $signal = new Coro::Signal;
		3775	push @WAIT_FOR_TICK, $signal;
		3776	$signal->wait;
		3777	}
		3778
		3779	sub wait_for_tick_begin {
		3780	return if tick_inhibit || $Coro::current == $Coro::main;
		3781
		3782	my $signal = new Coro::Signal;
		3783	push @WAIT_FOR_TICK_BEGIN, $signal;
		3784	$signal->wait;
		3785	}
		3786
		3787	sub tick {
2495	if ($Coro::current != $Coro::main) {	3788	if ($Coro::current != $Coro::main) {
2496	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3789	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2497	unless ++$bug_warning > 10;	3790	unless ++$bug_warning > 10;
2498	return;	3791	return;
2499	}	3792	}
2500		3793
2501	$NOW = Event::time;
2502
2503	cf::server_tick; # one server iteration	3794	cf::server_tick; # one server iteration
2504	$RUNTIME += $TICK;
2505	$NEXT_TICK += $TICK;
2506		3795
2507	$WAIT_FOR_TICK->broadcast;	3796	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2508	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3797	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2509		3798	Coro::async_pool {
2510	Event::sweep;	3799	$Coro::current->{desc} = "runtime saver";
2511	Coro::cede_notself;
2512
2513	# my $AFTER = Event::time;
2514	# warn $AFTER - $NOW;#d#
2515
2516	# if we are delayed by four ticks or more, skip them all
2517	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2518
2519	$TICK_WATCHER->at ($NEXT_TICK);
2520	$TICK_WATCHER->start;
2521	},
2522	);
2523
2524	IO::AIO::max_poll_time $TICK * 0.1;
2525
2526	undef $Coro::AIO::WATCHER;
2527	$AIO_POLL_WATCHER = Event->io (
2528	reentrant => 0,
2529	fd => IO::AIO::poll_fileno,
2530	poll => 'r',
2531	prio => 6,
2532	data => WF_AUTOCANCEL,
2533	cb => \&IO::AIO::poll_cb,
2534	);
2535
2536	$WRITE_RUNTIME_WATCHER = Event->timer (
2537	reentrant => 0,
2538	data => WF_AUTOCANCEL,
2539	after => 1,
2540	interval => 10,
2541	prio => 6, # keep it lowest so it acts like a watchdog
2542	cb => Coro::unblock_sub {
2543	write_runtime	3800	write_runtime_sync
2544	or warn "ERROR: unable to write runtime file: $!";	3801	or warn "ERROR: unable to write runtime file: $!";
		3802	};
2545	},	3803	}
2546	);	3804
		3805	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3806	$sig->send;
		3807	}
		3808	while (my $sig = shift @WAIT_FOR_TICK) {
		3809	$sig->send;
		3810	}
		3811
		3812	$LOAD = ($NOW - $TICK_START) / $TICK;
		3813	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3814
		3815	if (0) {
		3816	if ($NEXT_TICK) {
		3817	my $jitter = $TICK_START - $NEXT_TICK;
		3818	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3819	warn "jitter $JITTER\n";#d#
		3820	}
		3821	}
		3822	}
		3823
		3824	{
		3825	# configure BDB
		3826
		3827	BDB::min_parallel 8;
		3828	BDB::max_poll_reqs $TICK * 0.1;
		3829	$AnyEvent::BDB::WATCHER->priority (1);
		3830
		3831	unless ($DB_ENV) {
		3832	$DB_ENV = BDB::db_env_create;
		3833	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3834	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3835	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3836	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3837	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3838
		3839	cf::sync_job {
		3840	eval {
		3841	BDB::db_env_open
		3842	$DB_ENV,
		3843	$BDBDIR,
		3844	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3845	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3846	0666;
		3847
		3848	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3849	};
		3850
		3851	cf::cleanup "db_env_open(db): $@" if $@;
		3852	};
		3853	}
		3854
		3855	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3856	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3857	};
		3858	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3859	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3860	};
		3861	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3862	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3863	};
		3864	}
		3865
		3866	{
		3867	# configure IO::AIO
		3868
		3869	IO::AIO::min_parallel 8;
		3870	IO::AIO::max_poll_time $TICK * 0.1;
		3871	undef $AnyEvent::AIO::WATCHER;
		3872	}
		3873
		3874	my $_log_backtrace;
		3875
		3876	sub _log_backtrace {
		3877	my ($msg, @addr) = @_;
		3878
		3879	$msg =~ s/\n//;
		3880
		3881	# limit the # of concurrent backtraces
		3882	if ($_log_backtrace < 2) {
		3883	++$_log_backtrace;
		3884	async {
		3885	$Coro::current->{desc} = "abt $msg";
		3886
		3887	my @bt = fork_call {
		3888	@addr = map { sprintf "%x", $_ } @addr;
		3889	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3890	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3891	or die "addr2line: $!";
		3892
		3893	my @funcs;
		3894	my @res = <$fh>;
		3895	chomp for @res;
		3896	while (@res) {
		3897	my ($func, $line) = splice @res, 0, 2, ();
		3898	push @funcs, "[$func] $line";
		3899	}
		3900
		3901	@funcs
		3902	};
		3903
		3904	LOG llevInfo, "[ABT] $msg\n";
		3905	LOG llevInfo, "[ABT] $_\n" for @bt;
		3906	--$_log_backtrace;
		3907	};
		3908	} else {
		3909	LOG llevInfo, "[ABT] $msg\n";
		3910	LOG llevInfo, "[ABT] [suppressed]\n";
		3911	}
		3912	}
		3913
		3914	# load additional modules
		3915	use cf::pod;
2547		3916
2548	END { cf::emergency_save }	3917	END { cf::emergency_save }
2549		3918
2550	1	3919	1
2551		3920

Diff Legend

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