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 1.210 by root, Mon Feb 12 01:32:49 2007 UTC vs.
Revision 1.466 by root, Thu Jan 8 03:03:24 2009 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 qw(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
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;	56	use Digest::MD5;
23	use Fcntl;	57	use Fcntl;
		58	use YAML ();
24	use IO::AIO 2.32 ();	59	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	60	use Time::HiRes;
27	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
28		63
		64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		76
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		78
40	our %COMMAND = ();	79	our %COMMAND = ();
41	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
42		81
43	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
47		87
		88	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	89	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		90
51	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	92	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	93	our $LIBDIR = "$DATADIR/ext";
54	our $WRITE_RUNTIME_WATCHER;	94	our $PODDIR = "$DATADIR/pod";
		95	our $MAPDIR = "$DATADIR/" . mapdir;
		96	our $LOCALDIR = localdir;
		97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		100	our $RANDOMDIR = "$LOCALDIR/random";
		101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
		106
		107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	109	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
61		118
62	our %CFG;	119	our %CFG;
63		120
64	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
66		124
67	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		128
76	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		131
		132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
		135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		140
79	binmode STDOUT;	141	binmode STDOUT;
80	binmode STDERR;	142	binmode STDERR;
81		143
82	# read virtual server time, if available	144	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	146	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
87	}	149	}
88		150
89	mkdir cf::localdir;	151	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	152	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		153
96	our $EMERGENCY_POSITION;	154	our $EMERGENCY_POSITION;
97		155
98	sub cf::map::normalise;	156	sub cf::map::normalise;
99		157
…		…
110	=item $cf::RUNTIME	168	=item $cf::RUNTIME
111		169
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	170	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	171	every server tick.
114		172
115	=item $cf::LIBDIR	173	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		174	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		175	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		176
117	The perl library directory, where extensions and cf-specific modules can	177	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	178	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		179	unique-items directory, player file directory, random maps directory and
		180	database environment.
119		181
120	=item $cf::NOW	182	=item $cf::NOW
121		183
122	The time of the last (current) server tick.	184	The time of the last (current) server tick.
123		185
124	=item $cf::TICK	186	=item $cf::TICK
125		187
126	The interval between server ticks, in seconds.	188	The interval between server ticks, in seconds.
127		189
		190	=item $cf::LOADAVG
		191
		192	The current CPU load on the server (alpha-smoothed), as a value between 0
		193	(none) and 1 (overloaded), indicating how much time is spent on processing
		194	objects per tick. Healthy values are < 0.5.
		195
		196	=item $cf::LOAD
		197
		198	The raw value load value from the last tick.
		199
128	=item %cf::CFG	200	=item %cf::CFG
129		201
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	202	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	203	from wherever your confdir points to.
132		204
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	205	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		206
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	207	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	208	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	209	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	210
		211	=item @cf::INVOKE_RESULTS
		212
		213	This array contains the results of the last C<invoke ()> call. When
		214	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		215	that call.
139		216
140	=back	217	=back
141		218
142	=cut	219	=cut
143		220
144	BEGIN {	221	BEGIN {
145	*CORE::GLOBAL::warn = sub {	222	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	223	my $msg = join "", @_;
147	utf8::encode $msg;
148		224
149	$msg .= "\n"	225	$msg .= "\n"
150	unless $msg =~ /\n$/;	226	unless $msg =~ /\n$/;
151		227
		228	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		229
152	LOG llevError, $msg;	230	LOG llevError, $msg;
153	};	231	};
154	}	232	}
		233
		234	$Coro::State::DIEHOOK = sub {
		235	return unless $^S eq 0; # "eq", not "=="
		236
		237	if ($Coro::current == $Coro::main) {#d#
		238	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		239	return;#d#
		240	}#d#
		241
		242	# kill coroutine otherwise
		243	warn Carp::longmess $_[0];
		244	Coro::terminate
		245	};
		246
		247	$SIG{__DIE__} = sub { }; #d#?
155		248
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	249	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	250	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	251	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	252	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	253	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		254	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	255	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		256
163	# we bless all objects into (empty) derived classes to force a method lookup	257	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	258	# within the Safe compartment.
165	for my $pkg (qw(	259	for my $pkg (qw(
166	cf::global cf::attachable	260	cf::global cf::attachable
167	cf::object cf::object::player	261	cf::object cf::object::player
168	cf::client cf::player	262	cf::client cf::player
169	cf::arch cf::living	263	cf::arch cf::living
		264	cf::map cf::mapspace
170	cf::map cf::party cf::region	265	cf::party cf::region
171	)) {	266	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	267	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	268	}
175		269
176	$Event::DIED = sub {	270	$EV::DIED = sub {
177	warn "error in event callback: @_";	271	warn "error in event callback: @_";
178	};	272	};
		273
		274	#############################################################################
179		275
180	=head2 UTILITY FUNCTIONS	276	=head2 UTILITY FUNCTIONS
181		277
182	=over 4	278	=over 4
183		279
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	298	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	299	$d
204	} || "[unable to dump $_[0]: '$@']";	300	} || "[unable to dump $_[0]: '$@']";
205	}	301	}
206		302
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	303	=item $ref = cf::decode_json $json
210		304
211	Converts a JSON string into the corresponding perl data structure.	305	Converts a JSON string into the corresponding perl data structure.
212		306
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	307	=item $json = cf::encode_json $ref
221		308
222	Converts a perl data structure into its JSON representation.	309	Converts a perl data structure into its JSON representation.
223		310
224	=cut	311	=cut
225		312
226	sub to_json($) {	313	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	314
228	JSON::Syck::Dump $_[0]	315	sub encode_json($) { $json_coder->encode ($_[0]) }
		316	sub decode_json($) { $json_coder->decode ($_[0]) }
		317
		318	=item cf::post_init { BLOCK }
		319
		320	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		321	but I<before> the server starts ticking again.
		322
		323	The cdoeblock will have a single boolean argument to indicate whether this
		324	is a reload or not.
		325
		326	=cut
		327
		328	sub post_init(&) {
		329	push @POST_INIT, shift;
229	}	330	}
230		331
231	=item cf::lock_wait $string	332	=item cf::lock_wait $string
232		333
233	Wait until the given lock is available. See cf::lock_acquire.	334	Wait until the given lock is available. See cf::lock_acquire.
234		335
235	=item my $lock = cf::lock_acquire $string	336	=item my $lock = cf::lock_acquire $string
236		337
237	Wait until the given lock is available and then acquires it and returns	338	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	339	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	340	for example when the coroutine gets canceled), the lock is automatically
240	returned.	341	returned.
241		342
		343	Locks are *not* recursive, locking from the same coro twice results in a
		344	deadlocked coro.
		345
242	Lock names should begin with a unique identifier (for example, cf::map::find	346	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	347	uses map_find and cf::map::load uses map_load).
244		348
245	=cut	349	=item $locked = cf::lock_active $string
246		350
247	our %LOCK;	351	Return true if the lock is currently active, i.e. somebody has locked it.
		352
		353	=cut
		354
		355	our $LOCKS = new Coro::SemaphoreSet;
248		356
249	sub lock_wait($) {	357	sub lock_wait($) {
250	my ($key) = @_;	358	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	359	}
258		360
259	sub lock_acquire($) {	361	sub lock_acquire($) {
260	my ($key) = @_;	362	$LOCKS->guard ($_[0])
		363	}
261		364
262	# wait, to be sure we are not locked	365	sub lock_active($) {
263	lock_wait $key;	366	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	367	}
272		368
273	sub freeze_mainloop {	369	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	370	tick_inhibit_inc;
275		371
276	my $guard = Coro::guard {	372	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	373	}
278	$WRITE_RUNTIME_WATCHER->start;	374
		375	=item cf::periodic $interval, $cb
		376
		377	Like EV::periodic, but randomly selects a starting point so that the actions
		378	get spread over timer.
		379
		380	=cut
		381
		382	sub periodic($$) {
		383	my ($interval, $cb) = @_;
		384
		385	my $start = rand List::Util::min 180, $interval;
		386
		387	EV::periodic $start, $interval, 0, $cb
		388	}
		389
		390	=item cf::get_slot $time[, $priority[, $name]]
		391
		392	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		393	This call blocks and returns only when you have at least C<$time> seconds
		394	of cpu time till the next tick. The slot is only valid till the next cede.
		395
		396	The optional C<$name> can be used to identify the job to run. It might be
		397	used for statistical purposes and should identify the same time-class.
		398
		399	Useful for short background jobs.
		400
		401	=cut
		402
		403	our @SLOT_QUEUE;
		404	our $SLOT_QUEUE;
		405
		406	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		407	$SLOT_QUEUE = Coro::async {
		408	$Coro::current->desc ("timeslot manager");
		409
		410	my $signal = new Coro::Signal;
		411
		412	while () {
		413	next_job:
		414	my $avail = cf::till_tick;
		415	if ($avail > 0.01) {
		416	for (0 .. $#SLOT_QUEUE) {
		417	if ($SLOT_QUEUE[$_][0] < $avail) {
		418	my $job = splice @SLOT_QUEUE, $_, 1, ();
		419	$job->[2]->send;
		420	Coro::cede;
		421	goto next_job;
		422	}
		423	}
		424	}
		425
		426	if (@SLOT_QUEUE) {
		427	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		428	push @cf::WAIT_FOR_TICK, $signal;
		429	$signal->wait;
		430	} else {
		431	Coro::schedule;
		432	}
279	};	433	}
280	$WRITE_RUNTIME_WATCHER->stop;	434	};
281	$TICK_WATCHER->stop;	435
282	$guard	436	sub get_slot($;$$) {
		437	return if tick_inhibit || $Coro::current == $Coro::main;
		438
		439	my ($time, $pri, $name) = @_;
		440
		441	$time = $TICK * .6 if $time > $TICK * .6;
		442	my $sig = new Coro::Signal;
		443
		444	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		445	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		446	$SLOT_QUEUE->ready;
		447	$sig->wait;
283	}	448	}
284		449
285	=item cf::async { BLOCK }	450	=item cf::async { BLOCK }
286		451
287	Currently the same as Coro::async_pool, meaning you cannot use	452	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		457
293	BEGIN { *async = \&Coro::async_pool }	458	BEGIN { *async = \&Coro::async_pool }
294		459
295	=item cf::sync_job { BLOCK }	460	=item cf::sync_job { BLOCK }
296		461
297	The design of crossfire+ requires that the main coro ($Coro::main) is	462	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	463	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	464	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		465	acceptable.
300		466
301	If it must be done, put the blocking parts into C<sync_job>. This will run	467	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	468	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	469	server will be frozen during this time, so the block should either finish
304	fast or be very important.	470	fast or be very important.
…		…
307		473
308	sub sync_job(&) {	474	sub sync_job(&) {
309	my ($job) = @_;	475	my ($job) = @_;
310		476
311	if ($Coro::current == $Coro::main) {	477	if ($Coro::current == $Coro::main) {
		478	my $time = EV::time;
		479
312	# this is the main coro, too bad, we have to block	480	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	481	# till the operation succeeds, freezing the server :/
314		482
315	# TODO: use suspend/resume instead	483	LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	484
317	my $freeze_guard = freeze_mainloop;	485	my $freeze_guard = freeze_mainloop;
318		486
319	my $busy = 1;	487	my $busy = 1;
320	my @res;	488	my @res;
321		489
322	(async {	490	(async {
		491	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	492	@res = eval { $job->() };
324	warn $@ if $@;	493	warn $@ if $@;
325	undef $busy;	494	undef $busy;
326	})->prio (Coro::PRIO_MAX);	495	})->prio (Coro::PRIO_MAX);
327		496
328	while ($busy) {	497	while ($busy) {
329	Coro::cede or Event::one_event;	498	if (Coro::nready) {
		499	Coro::cede_notself;
		500	} else {
		501	EV::loop EV::LOOP_ONESHOT;
330	}	502	}
		503	}
		504
		505	my $time = EV::time - $time;
		506
		507	$TICK_START += $time; # do not account sync jobs to server load
331		508
332	wantarray ? @res : $res[0]	509	wantarray ? @res : $res[0]
333	} else {	510	} else {
334	# we are in another coroutine, how wonderful, everything just works	511	# we are in another coroutine, how wonderful, everything just works
335		512
…		…
355	$EXT_CORO{$coro+0} = $coro;	532	$EXT_CORO{$coro+0} = $coro;
356		533
357	$coro	534	$coro
358	}	535	}
359		536
360	sub write_runtime {	537	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		538
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	539	Executes the given code block with the given arguments in a seperate
364	or return;	540	process, returning the results. Everything must be serialisable with
		541	Coro::Storable. May, of course, block. Note that the executed sub may
		542	never block itself or use any form of event handling.
365		543
366	my $value = $cf::RUNTIME + 90 + 10;	544	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		545
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	546	sub fork_call(&@) {
371	and return;	547	my ($cb, @args) = @_;
372		548
373	# always fsync - this file is important	549	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	550	# otherwise perl prematurely frees the stuff :/
375	and return;	551	# TODO: investigate and fix (likely this will be rather laborious)
376		552
377	close $fh	553	my @res = Coro::Util::fork_eval {
378	or return;	554	reset_signals;
		555	&$cb
		556	}, @args;
379		557
380	aio_rename "$runtime~", $runtime	558	wantarray ? @res : $res[-1]
381	and return;	559	}
382		560
		561	=item $coin = coin_from_name $name
		562
		563	=cut
		564
		565	our %coin_alias = (
		566	"silver" => "silvercoin",
		567	"silvercoin" => "silvercoin",
		568	"silvercoins" => "silvercoin",
		569	"gold" => "goldcoin",
		570	"goldcoin" => "goldcoin",
		571	"goldcoins" => "goldcoin",
		572	"platinum" => "platinacoin",
		573	"platinumcoin" => "platinacoin",
		574	"platinumcoins" => "platinacoin",
		575	"platina" => "platinacoin",
		576	"platinacoin" => "platinacoin",
		577	"platinacoins" => "platinacoin",
		578	"royalty" => "royalty",
		579	"royalties" => "royalty",
		580	);
		581
		582	sub coin_from_name($) {
		583	$coin_alias{$_[0]}
		584	? cf::arch::find $coin_alias{$_[0]}
		585	: undef
		586	}
		587
		588	=item $value = cf::db_get $family => $key
		589
		590	Returns a single value from the environment database.
		591
		592	=item cf::db_put $family => $key => $value
		593
		594	Stores the given C<$value> in the family. It can currently store binary
		595	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		596
		597	=item $db = cf::db_table "name"
		598
		599	Create and/or open a new database table. The string must not be "db" and must be unique
		600	within each server.
		601
		602	=cut
		603
		604	sub db_table($) {
		605	my ($name) = @_;
		606	my $db = BDB::db_create $DB_ENV;
		607
		608	eval {
		609	$db->set_flags (BDB::CHKSUM);
		610
		611	utf8::encode $name;
		612	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		613	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		614	cf::cleanup "db_open(db): $!" if $!;
		615	};
		616	cf::cleanup "db_open(db): $@" if $@;
		617
		618	$db
		619	}
		620
		621	our $DB;
		622
		623	sub db_init {
		624	cf::sync_job {
		625	$DB ||= db_table "db";
		626	};
		627	}
		628
		629	sub db_get($$) {
		630	my $key = "$_[0]/$_[1]";
		631
		632	cf::sync_job {
		633	BDB::db_get $DB, undef, $key, my $data;
		634
		635	$! ? ()
		636	: $data
383	1	637	}
		638	}
		639
		640	sub db_put($$$) {
		641	BDB::dbreq_pri 4;
		642	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		643	}
		644
		645	=item cf::cache $id => [$paths...], $processversion => $process
		646
		647	Generic caching function that returns the value of the resource $id,
		648	caching and regenerating as required.
		649
		650	This function can block.
		651
		652	=cut
		653
		654	sub cache {
		655	my ($id, $src, $processversion, $process) = @_;
		656
		657	my $meta =
		658	join "\x00",
		659	$processversion,
		660	map {
		661	aio_stat $_
		662	and Carp::croak "$_: $!";
		663
		664	($_, (stat _)[7,9])
		665	} @$src;
		666
		667	my $dbmeta = db_get cache => "$id/meta";
		668	if ($dbmeta ne $meta) {
		669	# changed, we may need to process
		670
		671	my @data;
		672	my $md5;
		673
		674	for (0 .. $#$src) {
		675	0 <= aio_load $src->[$_], $data[$_]
		676	or Carp::croak "$src->[$_]: $!";
		677	}
		678
		679	# if processing is expensive, check
		680	# checksum first
		681	if (1) {
		682	$md5 =
		683	join "\x00",
		684	$processversion,
		685	map {
		686	cf::cede_to_tick;
		687	($src->[$_], Digest::MD5::md5_hex $data[$_])
		688	} 0.. $#$src;
		689
		690
		691	my $dbmd5 = db_get cache => "$id/md5";
		692	if ($dbmd5 eq $md5) {
		693	db_put cache => "$id/meta", $meta;
		694
		695	return db_get cache => "$id/data";
		696	}
		697	}
		698
		699	my $t1 = Time::HiRes::time;
		700	my $data = $process->(\@data);
		701	my $t2 = Time::HiRes::time;
		702
		703	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		704
		705	db_put cache => "$id/data", $data;
		706	db_put cache => "$id/md5" , $md5;
		707	db_put cache => "$id/meta", $meta;
		708
		709	return $data;
		710	}
		711
		712	db_get cache => "$id/data"
		713	}
		714
		715	=item cf::datalog type => key => value, ...
		716
		717	Log a datalog packet of the given type with the given key-value pairs.
		718
		719	=cut
		720
		721	sub datalog($@) {
		722	my ($type, %kv) = @_;
		723	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	724	}
385		725
386	=back	726	=back
387		727
388	=cut	728	=cut
389		729
390	#############################################################################	730	#############################################################################
391		731
392	=head2 ATTACHABLE OBJECTS	732	=head2 ATTACHABLE OBJECTS
393		733
394	Many objects in crossfire are so-called attachable objects. That means you can	734	Many objects in deliantra are so-called attachable objects. That means you can
395	attach callbacks/event handlers (a collection of which is called an "attachment")	735	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	736	to it. All such attachable objects support the following methods.
397		737
398	In the following description, CLASS can be any of C<global>, C<object>	738	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	739	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	740	Deliantra).
401		741
402	=over 4	742	=over 4
403		743
404	=item $attachable->attach ($attachment, key => $value...)	744	=item $attachable->attach ($attachment, key => $value...)
405		745
…		…
449	=item cf::CLASS::attachment $name, ...	789	=item cf::CLASS::attachment $name, ...
450		790
451	Register an attachment by C<$name> through which attachable objects of the	791	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	792	given CLASS can refer to this attachment.
453		793
454	Some classes such as crossfire maps and objects can specify attachments	794	Some classes such as deliantra maps and objects can specify attachments
455	that are attached at load/instantiate time, thus the need for a name.	795	that are attached at load/instantiate time, thus the need for a name.
456		796
457	These calls expect any number of the following handler/hook descriptions:	797	These calls expect any number of the following handler/hook descriptions:
458		798
459	=over 4	799	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	908	$registry = $CB_TYPE[$object_type] ||= [];
569		909
570	} elsif ($type eq "subtype") {	910	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	911	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	912	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	913	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		914
575	} elsif ($type eq "package") {	915	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	916	my $pkg = shift @arg;
577		917
578	while (my ($name, $id) = each %cb_id) {	918	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	947	_attach $registry, $klass, @attach;
608	}	948	}
609		949
610	$obj->{$name} = \%arg;	950	$obj->{$name} = \%arg;
611	} else {	951	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	952	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	953	}
614		954
615	$obj->{_attachment}{$name} = undef;	955	$obj->{_attachment}{$name} = undef;
616	}	956	}
617		957
…		…
619	if (ref $_[0]) {	959	if (ref $_[0]) {
620	_object_attach @_;	960	_object_attach @_;
621	} else {	961	} else {
622	_attach shift->_attach_registry, @_;	962	_attach shift->_attach_registry, @_;
623	}	963	}
		964	_recalc_want;
624	};	965	};
625		966
626	# all those should be optimised	967	# all those should be optimised
627	sub cf::attachable::detach {	968	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	969	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	972	delete $obj->{_attachment}{$name};
632	reattach ($obj);	973	reattach ($obj);
633	} else {	974	} else {
634	Carp::croak "cannot, currently, detach class attachments";	975	Carp::croak "cannot, currently, detach class attachments";
635	}	976	}
		977	_recalc_want;
636	};	978	};
637		979
638	sub cf::attachable::attached {	980	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	981	my ($obj, $name) = @_;
640		982
…		…
655	";	997	";
656	die if $@;	998	die if $@;
657	}	999	}
658		1000
659	our $override;	1001	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1002	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		1003
662	sub override {	1004	sub override {
663	$override = 1;	1005	$override = 1;
664	@invoke_results = ();	1006	@INVOKE_RESULTS = (@_);
665	}	1007	}
666		1008
667	sub do_invoke {	1009	sub do_invoke {
668	my $event = shift;	1010	my $event = shift;
669	my $callbacks = shift;	1011	my $callbacks = shift;
670		1012
671	@invoke_results = ();	1013	@INVOKE_RESULTS = ();
672		1014
673	local $override;	1015	local $override;
674		1016
675	for (@$callbacks) {	1017	for (@$callbacks) {
676	eval { &{$_->[1]} };	1018	eval { &{$_->[1]} };
…		…
685	}	1027	}
686		1028
687	0	1029	0
688	}	1030	}
689		1031
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1033
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1035
694	Generate an object-specific event with the given arguments.	1036	Generate an object-specific event with the given arguments.
695		1037
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1038	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	1039	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	1040	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1041
700	=back	1042	=back
701		1043
702	=cut	1044	=cut
703		1045
704	#############################################################################	1046	#############################################################################
705	# object support	1047	# object support
		1048
		1049	sub _object_equal($$);
		1050	sub _object_equal($$) {
		1051	my ($a, $b) = @_;
		1052
		1053	return 0 unless (ref $a) eq (ref $b);
		1054
		1055	if ("HASH" eq ref $a) {
		1056	my @ka = keys %$a;
		1057	my @kb = keys %$b;
		1058
		1059	return 0 if @ka != @kb;
		1060
		1061	for (0 .. $#ka) {
		1062	return 0 unless $ka[$_] eq $kb[$_];
		1063	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1064	}
		1065
		1066	} elsif ("ARRAY" eq ref $a) {
		1067
		1068	return 0 if @$a != @$b;
		1069
		1070	for (0 .. $#$a) {
		1071	return 0 unless _object_equal $a->[$_], $b->[$_];
		1072	}
		1073
		1074	} elsif ($a ne $b) {
		1075	return 0;
		1076	}
		1077
		1078	1
		1079	}
		1080
		1081	our $SLOW_MERGES;#d#
		1082	sub _can_merge {
		1083	my ($ob1, $ob2) = @_;
		1084
		1085	++$SLOW_MERGES;#d#
		1086
		1087	# we do the slow way here
		1088	return _object_equal $ob1, $ob2
		1089	}
706		1090
707	sub reattach {	1091	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1092	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1093	my ($obj) = @_;
710		1094
		1095	# no longer needed after getting rid of delete_package?
711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1096	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
712		1097
713	my $registry = $obj->registry;	1098	my $registry = $obj->registry;
714		1099
715	@$registry = ();	1100	@$registry = ();
716		1101
…		…
731	cf::attachable->attach (	1116	cf::attachable->attach (
732	prio => -1000000,	1117	prio => -1000000,
733	on_instantiate => sub {	1118	on_instantiate => sub {
734	my ($obj, $data) = @_;	1119	my ($obj, $data) = @_;
735		1120
736	$data = from_json $data;	1121	$data = decode_json $data;
737		1122
738	for (@$data) {	1123	for (@$data) {
739	my ($name, $args) = @$_;	1124	my ($name, $args) = @$_;
740		1125
741	$obj->attach ($name, %{$args || {} });	1126	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1142	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1143	my ($filename, $rdata, $objs) = @_;
759		1144
760	sync_job {	1145	sync_job {
761	if (length $$rdata) {	1146	if (length $$rdata) {
		1147	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1148	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1149	$decname, length $$rdata, scalar @$objs;
764		1150
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1151	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1152	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1153	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1155	aio_close $fh;
770		1156
771	if (@$objs) {	1157	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1158	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1159	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1160	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1161	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1162	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1163	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1164	aio_rename "$filename.pst~", "$filename.pst";
779	}	1165	}
780	} else {	1166	} else {
781	aio_unlink "$filename.pst";	1167	aio_unlink "$filename.pst";
782	}	1168	}
783		1169
784	aio_rename "$filename~", $filename;	1170	aio_rename "$filename~", $filename;
		1171
		1172	$filename =~ s%/[^/]+$%%;
		1173	aio_pathsync $filename if $cf::USE_FSYNC;
785	} else {	1174	} else {
786	warn "FATAL: $filename~: $!\n";	1175	warn "unable to save objects: $filename~: $!\n";
787	}	1176	}
788	} else {	1177	} else {
789	aio_unlink $filename;	1178	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
791	}	1180	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1181	};
799	}	1182	}
800		1183
801	sub object_freezer_as_string {	1184	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1185	my ($rdata, $objs) = @_;
803		1186
…		…
808		1191
809	sub object_thawer_load {	1192	sub object_thawer_load {
810	my ($filename) = @_;	1193	my ($filename) = @_;
811		1194
812	my ($data, $av);	1195	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1196
817	(aio_load $filename, $data) >= 0	1197	(aio_load $filename, $data) >= 0
818	or return;	1198	or return;
819		1199
820	unless (aio_stat "$filename.pst") {	1200	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1201	(aio_load "$filename.pst", $av) >= 0
822	or return;	1202	or return;
		1203
823	$av = eval { (Storable::thaw $av)->{objs} };	1204	my $st = eval { Coro::Storable::thaw $av };
		1205	$av = $st->{objs};
824	}	1206	}
825		1207
		1208	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1209	warn sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1210	$decname, length $data, scalar @{$av || []};
		1211
828	return ($data, $av);	1212	($data, $av)
829	}	1213	}
		1214
		1215	=head2 COMMAND CALLBACKS
		1216
		1217	=over 4
		1218
		1219	=cut
830		1220
831	#############################################################################	1221	#############################################################################
832	# command handling &c	1222	# command handling &c
833		1223
834	=item cf::register_command $name => \&callback($ob,$args);	1224	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1237	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1238	}
849		1239
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1240	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1241
852	Register a callbackf ro execution when the client sends an extcmd packet.	1242	Register a callback for execution when the client sends an (synchronous)
		1243	extcmd packet. Ext commands will be processed in the order they are
		1244	received by the server, like other user commands. The first argument is
		1245	the logged-in player. Ext commands can only be processed after a player
		1246	has logged in successfully.
853		1247
854	If the callback returns something, it is sent back as if reply was being	1248	If the callback returns something, it is sent back as if reply was being
855	called.	1249	called.
856		1250
		1251	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1252
		1253	Register a callback for execution when the client sends an (asynchronous)
		1254	exticmd packet. Exti commands are processed by the server as soon as they
		1255	are received, i.e. out of order w.r.t. other commands. The first argument
		1256	is a client socket. Exti commands can be received anytime, even before
		1257	log-in.
		1258
		1259	If the callback returns something, it is sent back as if reply was being
		1260	called.
		1261
857	=cut	1262	=cut
858		1263
859	sub register_extcmd {	1264	sub register_extcmd {
860	my ($name, $cb) = @_;	1265	my ($name, $cb) = @_;
861		1266
862	$EXTCMD{$name} = $cb;	1267	$EXTCMD{$name} = $cb;
863	}	1268	}
		1269
		1270	sub register_exticmd {
		1271	my ($name, $cb) = @_;
		1272
		1273	$EXTICMD{$name} = $cb;
		1274	}
		1275
		1276	use File::Glob ();
864		1277
865	cf::player->attach (	1278	cf::player->attach (
866	on_command => sub {	1279	on_command => sub {
867	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
868		1281
…		…
876	cf::override;	1289	cf::override;
877	},	1290	},
878	on_extcmd => sub {	1291	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1292	my ($pl, $buf) = @_;
880		1293
881	my $msg = eval { from_json $buf };	1294	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1295
883	if (ref $msg) {	1296	if (ref $msg) {
		1297	my ($type, $reply, @payload) =
		1298	"ARRAY" eq ref $msg
		1299	? @$msg
		1300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1301
		1302	my @reply;
		1303
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1304	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1305	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1306	}
		1307
		1308	$pl->ext_reply ($reply, @reply)
		1309	if $reply;
		1310
889	} else {	1311	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1312	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1313	}
892		1314
893	cf::override;	1315	cf::override;
894	},	1316	},
895	);	1317	);
896		1318
		1319	# "readahead" all extensions
897	sub load_extension {	1320	sub cache_extensions {
898	my ($path) = @_;	1321	my $grp = IO::AIO::aio_group;
899		1322
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1323	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
901	my $base = $1;	1324	for (grep /\.ext$/, @{$_[0]}) {
902	my $pkg = $1;	1325	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}	1326	}
925	die $@;
926	}	1327	};
927		1328
928	push @EXTS, $pkg;	1329	$grp
929	}	1330	}
930		1331
931	sub load_extensions {	1332	sub load_extensions {
		1333	cf::sync_job {
		1334	my %todo;
		1335
932	for my $ext (<$LIBDIR/*.ext>) {	1336	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1337	next unless -r $path;
934	eval {	1338
935	load_extension $ext;	1339	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1340	my $base = $1;
		1341	my $pkg = $1;
		1342	$pkg =~ s/[^[:word:]]/_/g;
		1343	$pkg = "ext::$pkg";
		1344
		1345	open my $fh, "<:utf8", $path
		1346	or die "$path: $!";
		1347
		1348	my $source = do { local $/; <$fh> };
		1349
		1350	my %ext = (
		1351	path => $path,
		1352	base => $base,
		1353	pkg => $pkg,
		1354	);
		1355
		1356	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1357	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1358
		1359	$ext{source} =
		1360	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1361	. "#line 1 \"$path\"\n{\n"
		1362	. $source
		1363	. "\n};\n1";
		1364
		1365	$todo{$base} = \%ext;
		1366	}
		1367
		1368	my %done;
		1369	while (%todo) {
		1370	my $progress;
		1371
		1372	while (my ($k, $v) = each %todo) {
		1373	for (split /,\s*/, $v->{meta}{depends}) {
		1374	goto skip
		1375	unless exists $done{$_};
		1376	}
		1377
		1378	warn "... loading '$k' into '$v->{pkg}'\n";
		1379
		1380	unless (eval $v->{source}) {
		1381	my $msg = $@ ? "$v->{path}: $@\n"
		1382	: "$v->{base}: extension inactive.\n";
		1383
		1384	if (exists $v->{meta}{mandatory}) {
		1385	warn $msg;
		1386	cf::cleanup "mandatory extension failed to load, exiting.";
		1387	}
		1388
		1389	warn $msg;
		1390	}
		1391
		1392	$done{$k} = delete $todo{$k};
		1393	push @EXTS, $v->{pkg};
		1394	$progress = 1;
936	1	1395	}
937	} or warn "$ext not loaded: $@";	1396
		1397	skip:
		1398	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1399	unless $progress;
		1400	}
938	}	1401	};
939	}	1402	}
940		1403
941	#############################################################################	1404	#############################################################################
942		1405
		1406	=back
		1407
943	=head2 CORE EXTENSIONS	1408	=head2 CORE EXTENSIONS
944		1409
945	Functions and methods that extend core crossfire objects.	1410	Functions and methods that extend core deliantra objects.
946		1411
947	=cut	1412	=cut
948		1413
949	package cf::player;	1414	package cf::player;
950		1415
…		…
952		1417
953	=head3 cf::player	1418	=head3 cf::player
954		1419
955	=over 4	1420	=over 4
956		1421
		1422	=item cf::player::num_playing
		1423
		1424	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1425
		1426	=cut
		1427
		1428	sub num_playing {
		1429	scalar grep
		1430	$_->ob->map
		1431	&& !$_->hidden
		1432	&& !$_->ob->flag (cf::FLAG_WIZ),
		1433	cf::player::list
		1434	}
		1435
957	=item cf::player::find $login	1436	=item cf::player::find $login
958		1437
959	Returns the given player object, loading it if necessary (might block).	1438	Returns the given player object, loading it if necessary (might block).
960		1439
961	=cut	1440	=cut
962		1441
963	sub playerdir($) {	1442	sub playerdir($) {
964	cf::localdir	1443	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1444	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1445	}
970		1446
971	sub path($) {	1447	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1448	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1449
974	(playerdir $login) . "/$login.pl"	1450	(playerdir $login) . "/playerdata"
975	}	1451	}
976		1452
977	sub find_active($) {	1453	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1454	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1455	and $cf::PLAYER{$_[0]}->active
…		…
982		1458
983	sub exists($) {	1459	sub exists($) {
984	my ($login) = @_;	1460	my ($login) = @_;
985		1461
986	$cf::PLAYER{$login}	1462	$cf::PLAYER{$login}
987	or cf::sync_job { !aio_stat path $login }	1463	or !aio_stat path $login
988	}	1464	}
989		1465
990	sub find($) {	1466	sub find($) {
991	return $cf::PLAYER{$_[0]} || do {	1467	return $cf::PLAYER{$_[0]} || do {
992	my $login = $_[0];	1468	my $login = $_[0];
993		1469
994	my $guard = cf::lock_acquire "user_find:$login";	1470	my $guard = cf::lock_acquire "user_find:$login";
995		1471
996	$cf::PLAYER{$_[0]} || do {	1472	$cf::PLAYER{$_[0]} || do {
997	my $pl = load_pl path $login	1473	# rename old playerfiles to new ones
		1474	#TODO: remove when no longer required
		1475	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1476	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1477	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1478	aio_unlink +(playerdir $login) . "/$login.pl";
		1479
		1480	my $f = new_from_file cf::object::thawer path $login
998	or return;	1481	or return;
		1482
		1483	my $pl = cf::player::load_pl $f
		1484	or return;
		1485
		1486	local $cf::PLAYER_LOADING{$login} = $pl;
		1487	$f->resolve_delayed_derefs;
999	$cf::PLAYER{$login} = $pl	1488	$cf::PLAYER{$login} = $pl
1000	}	1489	}
1001	}	1490	}
1002	}	1491	}
1003		1492
…		…
1012	return if $pl->{deny_save};	1501	return if $pl->{deny_save};
1013		1502
1014	aio_mkdir playerdir $pl, 0770;	1503	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1504	$pl->{last_save} = $cf::RUNTIME;
1016		1505
		1506	cf::get_slot 0.01;
		1507
1017	$pl->save_pl ($path);	1508	$pl->save_pl ($path);
1018	Coro::cede;	1509	cf::cede_to_tick;
1019	}	1510	}
1020		1511
1021	sub new($) {	1512	sub new($) {
1022	my ($login) = @_;	1513	my ($login) = @_;
1023		1514
…		…
1029	$cf::PLAYER{$login} = $self;	1520	$cf::PLAYER{$login} = $self;
1030		1521
1031	$self	1522	$self
1032	}	1523	}
1033		1524
		1525	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1526
		1527	=cut
		1528
		1529	sub send_msg {
		1530	my $ns = shift->ns
		1531	or return;
		1532	$ns->send_msg (@_);
		1533	}
		1534
1034	=item $pl->quit_character	1535	=item $pl->quit_character
1035		1536
1036	Nukes the player without looking back. If logged in, the connection will	1537	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1538	be destroyed. May block for a long time.
1038		1539
1039	=cut	1540	=cut
1040		1541
1041	sub quit_character {	1542	sub quit_character {
1042	my ($pl) = @_;	1543	my ($pl) = @_;
1043		1544
		1545	my $name = $pl->ob->name;
		1546
1044	$pl->{deny_save} = 1;	1547	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1548	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1046		1549
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1550	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1048	$pl->deactivate;	1551	$pl->deactivate;
		1552	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1553	$pl->ob->check_score;
1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1554	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1050	$pl->ns->destroy if $pl->ns;	1555	$pl->ns->destroy if $pl->ns;
1051		1556
1052	my $path = playerdir $pl;	1557	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1558	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1559	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1560	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1561	$pl->destroy;
		1562
		1563	my $prefix = qr<^~\Q$name\E/>;
		1564
		1565	# nuke player maps
		1566	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1567
1057	IO::AIO::aio_rmtree $temp;	1568	IO::AIO::aio_rmtree $temp;
		1569	}
		1570
		1571	=item $pl->kick
		1572
		1573	Kicks a player out of the game. This destroys the connection.
		1574
		1575	=cut
		1576
		1577	sub kick {
		1578	my ($pl, $kicker) = @_;
		1579
		1580	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1581	$pl->killer ("kicked");
		1582	$pl->ns->destroy;
1058	}	1583	}
1059		1584
1060	=item cf::player::list_logins	1585	=item cf::player::list_logins
1061		1586
1062	Returns am arrayref of all valid playernames in the system, can take a	1587	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1588	while and may block, so not sync_job-capable, ever.
1064		1589
1065	=cut	1590	=cut
1066		1591
1067	sub list_logins {	1592	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1593	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1594	or return [];
1070		1595
1071	my @logins;	1596	my @logins;
1072		1597
1073	for my $login (@$dirs) {	1598	for my $login (@$dirs) {
		1599	my $path = path $login;
		1600
		1601	# a .pst is a dead give-away for a valid player
		1602	# if no pst file found, open and chekc for blocked users
		1603	if (aio_stat "$path.pst") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1604	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1605	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1606	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1607	}
1077		1608
1078	utf8::decode $login;	1609	utf8::decode $login;
1079	push @logins, $login;	1610	push @logins, $login;
1080	}	1611	}
1081		1612
…		…
1108	}	1639	}
1109		1640
1110	\@paths	1641	\@paths
1111	}	1642	}
1112		1643
		1644	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1645
		1646	Expand deliantra pod fragments into protocol xml.
		1647
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1648	=item $player->ext_reply ($msgid, @msg)
1114		1649
1115	Sends an ext reply to the player.	1650	Sends an ext reply to the player.
1116		1651
1117	=cut	1652	=cut
1118		1653
1119	sub ext_reply($$$%) {	1654	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1655	my ($self, $id, @msg) = @_;
1121		1656
1122	$msg{msgid} = $id;	1657	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1658	}
1126		1659
1127	package cf;	1660	=item $player->ext_msg ($type, @msg)
		1661
		1662	Sends an ext event to the client.
		1663
		1664	=cut
		1665
		1666	sub ext_msg($$@) {
		1667	my ($self, $type, @msg) = @_;
		1668
		1669	$self->ns->ext_msg ($type, @msg);
		1670	}
		1671
		1672	=head3 cf::region
		1673
		1674	=over 4
		1675
		1676	=cut
		1677
		1678	package cf::region;
		1679
		1680	=item cf::region::find_by_path $path
		1681
		1682	Tries to decuce the likely region for a map knowing only its path.
		1683
		1684	=cut
		1685
		1686	sub find_by_path($) {
		1687	my ($path) = @_;
		1688
		1689	my ($match, $specificity);
		1690
		1691	for my $region (list) {
		1692	if ($region->{match} && $path =~ $region->{match}) {
		1693	($match, $specificity) = ($region, $region->specificity)
		1694	if $region->specificity > $specificity;
		1695	}
		1696	}
		1697
		1698	$match
		1699	}
1128		1700
1129	=back	1701	=back
1130
1131		1702
1132	=head3 cf::map	1703	=head3 cf::map
1133		1704
1134	=over 4	1705	=over 4
1135		1706
…		…
1147	our $MAX_RESET = 3600;	1718	our $MAX_RESET = 3600;
1148	our $DEFAULT_RESET = 3000;	1719	our $DEFAULT_RESET = 3000;
1149		1720
1150	sub generate_random_map {	1721	sub generate_random_map {
1151	my ($self, $rmp) = @_;	1722	my ($self, $rmp) = @_;
		1723
		1724	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1725
1152	# mit "rum" bekleckern, nicht	1726	# mit "rum" bekleckern, nicht
1153	$self->_create_random_map (	1727	$self->_create_random_map (
1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1728	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1729	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1730	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1190	my ($self, $merge) = @_;	1764	my ($self, $merge) = @_;
1191		1765
1192	# we have to keep some variables in memory intact	1766	# we have to keep some variables in memory intact
1193	local $self->{path};	1767	local $self->{path};
1194	local $self->{load_path};	1768	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1769
1198	$self->SUPER::thawer_merge ($merge);	1770	$self->SUPER::thawer_merge ($merge);
1199	}	1771	}
1200		1772
1201	sub normalise {	1773	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1820	$self->init; # pass $1 etc.
1249	return $self;	1821	return $self;
1250	}	1822	}
1251	}	1823	}
1252		1824
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1825	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1826	()
1255	}	1827	}
1256		1828
1257	sub init {	1829	sub init {
1258	my ($self) = @_;	1830	my ($self) = @_;
…		…
1273		1845
1274	# the original (read-only) location	1846	# the original (read-only) location
1275	sub load_path {	1847	sub load_path {
1276	my ($self) = @_;	1848	my ($self) = @_;
1277		1849
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1850	"$MAPDIR/$self->{path}.map"
1279	}	1851	}
1280		1852
1281	# the temporary/swap location	1853	# the temporary/swap location
1282	sub save_path {	1854	sub save_path {
1283	my ($self) = @_;	1855	my ($self) = @_;
1284		1856
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1857	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1858	"$TMPDIR/$path.map"
1287	}	1859	}
1288		1860
1289	# the unique path, undef == no special unique path	1861	# the unique path, undef == no special unique path
1290	sub uniq_path {	1862	sub uniq_path {
1291	my ($self) = @_;	1863	my ($self) = @_;
1292		1864
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1866	"$UNIQUEDIR/$path"
1295	}	1867	}
1296		1868
1297	# and all this just because we cannot iterate over	1869	sub decay_objects {
1298	# all maps in C++...
1299	sub change_all_map_light {
1300	my ($change) = @_;	1870	my ($self) = @_;
1301		1871
1302	$_->change_map_light ($change)	1872	return if $self->{deny_reset};
1303	for grep $_->outdoor, values %cf::MAP;	1873
		1874	$self->do_decay_objects;
1304	}	1875	}
1305		1876
1306	sub unlink_save {	1877	sub unlink_save {
1307	my ($self) = @_;	1878	my ($self) = @_;
1308		1879
1309	utf8::encode (my $save = $self->save_path);	1880	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1881	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1882	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1883	}
1318		1884
1319	sub load_header_from($) {	1885	sub load_header_from($) {
1320	my ($self, $path) = @_;	1886	my ($self, $path) = @_;
1321		1887
1322	utf8::encode $path;	1888	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1889	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1890	or return;
		1891
		1892	$self->_load_header ($f)
		1893	or return;
		1894
		1895	local $MAP_LOADING{$self->{path}} = $self;
		1896	$f->resolve_delayed_derefs;
1328		1897
1329	$self->{load_path} = $path;	1898	$self->{load_path} = $path;
1330		1899
1331	1	1900	1
1332	}	1901	}
…		…
1371	$self->load_header_orig	1940	$self->load_header_orig
1372	or return;	1941	or return;
1373	$self->prepare_orig;	1942	$self->prepare_orig;
1374	}	1943	}
1375		1944
		1945	$self->{deny_reset} = 1
		1946	if $self->no_reset;
		1947
		1948	$self->default_region (cf::region::find_by_path $self->{path})
		1949	unless $self->default_region;
		1950
1376	1	1951	1
1377	}	1952	}
1378		1953
1379	sub find;	1954	sub find;
1380	sub find {	1955	sub find {
1381	my ($path, $origin) = @_;	1956	my ($path, $origin) = @_;
1382		1957
1383	$path = normalise $path, $origin && $origin->path;	1958	$path = normalise $path, $origin && $origin->path;
1384		1959
		1960	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
1386		1962
1387	$cf::MAP{$path} || do {	1963	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	1964	my $map = new_from_path cf::map $path
1390	or return;	1965	or return;
1391		1966
1392	$map->{last_save} = $cf::RUNTIME;	1967	$map->{last_save} = $cf::RUNTIME;
1393		1968
1394	$map->load_header	1969	$map->load_header
1395	or return;	1970	or return;
1396		1971
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1972	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1973	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1974	#$cf::WAIT_FOR_TICK->wait;
		1975	undef $guard2;
		1976	undef $guard1;
1400	$map->reset;	1977	$map->reset;
1401	undef $guard;
1402	return find $path;	1978	return find $path;
1403	}	1979	}
1404		1980
1405	$cf::MAP{$path} = $map	1981	$cf::MAP{$path} = $map
1406	}	1982	}
…		…
1413	my ($self) = @_;	1989	my ($self) = @_;
1414		1990
1415	local $self->{deny_reset} = 1; # loading can take a long time	1991	local $self->{deny_reset} = 1; # loading can take a long time
1416		1992
1417	my $path = $self->{path};	1993	my $path = $self->{path};
		1994
		1995	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1996	my $guard = cf::lock_acquire "map_data:$path";
1419		1997
		1998	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1999	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2000
1422	$self->in_memory (cf::MAP_LOADING);	2001	$self->in_memory (cf::MAP_LOADING);
1423		2002
1424	$self->alloc;	2003	$self->alloc;
1425		2004
1426	$self->pre_load;	2005	$self->pre_load;
		2006	cf::cede_to_tick;
1427		2007
1428	$self->_load_objects ($self->{load_path}, 1)	2008	my $f = new_from_file cf::object::thawer $self->{load_path};
		2009	$f->skip_block;
		2010	$self->_load_objects ($f)
1429	or return;	2011	or return;
1430		2012
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2013	$self->post_load_original
1432	if delete $self->{load_original};	2014	if delete $self->{load_original};
1433		2015
1434	if (my $uniq = $self->uniq_path) {	2016	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2017	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2018	unless (aio_stat $uniq) {
		2019	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2020	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2021	$self->_load_objects ($f);
		2022	$f->resolve_delayed_derefs;
		2023	}
1439	}	2024	}
1440	}	2025	}
1441		2026
1442	Coro::cede;	2027	$f->resolve_delayed_derefs;
1443		2028
		2029	cf::cede_to_tick;
1444	# now do the right thing for maps	2030	# now do the right thing for maps
1445	$self->link_multipart_objects;	2031	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2032	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2033	unless $self->difficulty;
1455	Coro::cede;	2034	cf::cede_to_tick;
		2035
		2036	unless ($self->{deny_activate}) {
		2037	$self->decay_objects;
		2038	$self->fix_auto_apply;
		2039	$self->update_buttons;
		2040	cf::cede_to_tick;
1456	$self->activate;	2041	$self->activate;
		2042	}
		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
		2047	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2048	}
1458		2049
1459	$self->post_load;	2050	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2051	}
1463		2052
1464	sub customise_for {	2053	sub customise_for {
1465	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1466		2055
1467	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2057	if $self->per_player;
1469		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1470	$self	2062	$self
1471	}	2063	}
1472		2064
1473	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2066	sub load_neighbours {
1475	my ($map) = @_;	2067	my ($map) = @_;
1476		2068
1477	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1478		2070
1479	for (0 .. 3) {	2071	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1481	or next;	2073	or next;
1482	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1483	or next;	2075	or next;
1484	$neigh->load;	2076	$neigh->load;
1485		2077
		2078	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2081	}
1489		2082
1490	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1492	or next;	2086	or next;
1493	$neigh->load;	2087	$neigh->load;
1494	}	2088	}
1495	}	2089	}
1496		2090
…		…
1501	}	2095	}
1502		2096
1503	sub do_load_sync {	2097	sub do_load_sync {
1504	my ($map) = @_;	2098	my ($map) = @_;
1505		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1506	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1507	}	2104	}
1508		2105
1509	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1511		2108
1512	sub find_async {	2109	sub find_async {
1513	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1514		2111
1515	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1516		2113
1517	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2116	}
1520		2117
1521	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1522	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1523	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2125	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2126	$map->load if $v;
		2127	}
1528		2128
1529	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1530	}	2130	}
1531	}	2131	}
1532	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1533	};	2133	};
1534	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2137	}
1538		2138
1539	sub save {	2139	sub save {
1540	my ($self) = @_;	2140	my ($self) = @_;
1541		2141
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2143
1544	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1545		2145
1546	return unless $self->dirty;	2146	return unless $self->dirty;
1547		2147
…		…
1553	return if $self->{deny_save};	2153	return if $self->{deny_save};
1554		2154
1555	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1556		2156
1557	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1559	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1560		2163
1561	if ($uniq) {	2164	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2167	} else {
…		…
1570	my ($self) = @_;	2173	my ($self) = @_;
1571		2174
1572	# save first because save cedes	2175	# save first because save cedes
1573	$self->save;	2176	$self->save;
1574		2177
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2179
1577	return if $self->players;	2180	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1579	return if $self->{deny_save};	2182	return if $self->{deny_save};
1580		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2188	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2189	}
1584		2190
1585	sub reset_at {	2191	sub reset_at {
1586	my ($self) = @_;	2192	my ($self) = @_;
1587		2193
1588	# TODO: safety, remove and allow resettable per-player maps	2194	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2195	return 1e99 if $self->{deny_reset};
1591		2196
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2198	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2199
…		…
1605	my ($self) = @_;	2210	my ($self) = @_;
1606		2211
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2213
1609	return if $self->players;	2214	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2215
1612	warn "resetting map ", $self->path;#d#	2216	warn "resetting map ", $self->path;
1613		2217
1614	$self->in_memory (cf::MAP_SWAPPED);	2218	$self->in_memory (cf::MAP_SWAPPED);
1615		2219
1616	# need to save uniques path	2220	# need to save uniques path
1617	unless ($self->{deny_save}) {	2221	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2225	if $uniq;
1622	}	2226	}
1623		2227
1624	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1625		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2232	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2233
1630	$self->unlink_save;	2234	$self->unlink_save;
1631	$self->destroy;	2235	$self->destroy;
1632	}	2236	}
1633		2237
1634	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1635		2239
1636	sub nuke {	2240	sub nuke {
1637	my ($self) = @_;	2241	my ($self) = @_;
1638		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1639	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1640		2247
1641	$self->unlink_save;	2248	$self->unlink_save;
1642		2249
1643	bless $self, "cf::map";	2250	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2255
1649	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1650		2258
1651	$self->reset; # polite request, might not happen	2259	$self->reset; # polite request, might not happen
		2260	}
		2261
		2262	=item $maps = cf::map::tmp_maps
		2263
		2264	Returns an arrayref with all map paths of currently instantiated and saved
		2265	maps. May block.
		2266
		2267	=cut
		2268
		2269	sub tmp_maps() {
		2270	[
		2271	map {
		2272	utf8::decode $_;
		2273	/\.map$/
		2274	? normalise $_
		2275	: ()
		2276	} @{ aio_readdir $TMPDIR or [] }
		2277	]
		2278	}
		2279
		2280	=item $maps = cf::map::random_maps
		2281
		2282	Returns an arrayref with all map paths of currently instantiated and saved
		2283	random maps. May block.
		2284
		2285	=cut
		2286
		2287	sub random_maps() {
		2288	[
		2289	map {
		2290	utf8::decode $_;
		2291	/\.map$/
		2292	? normalise "?random/$_"
		2293	: ()
		2294	} @{ aio_readdir $RANDOMDIR or [] }
		2295	]
1652	}	2296	}
1653		2297
1654	=item cf::map::unique_maps	2298	=item cf::map::unique_maps
1655		2299
1656	Returns an arrayref of paths of all shared maps that have	2300	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2301	instantiated unique items. May block.
1658		2302
1659	=cut	2303	=cut
1660		2304
1661	sub unique_maps() {	2305	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2306	[
1663	or return;	2307	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2308	utf8::decode $_;
1669	next if /\.pst$/;	2309	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2311	? ()
1672	push @paths, cf::map::normalise $_;	2312	: normalise $_
		2313	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2314	]
1674
1675	\@paths
1676	}	2315	}
1677
1678	package cf;
1679		2316
1680	=back	2317	=back
1681		2318
1682	=head3 cf::object	2319	=head3 cf::object
1683		2320
…		…
1687		2324
1688	=over 4	2325	=over 4
1689		2326
1690	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1691		2328
1692	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
1693		2331
1694	=cut	2332	=cut
1695		2333
1696	sub inv_recursive_;	2334	sub inv_recursive_;
1697	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1700		2338
1701	sub inv_recursive {	2339	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1703	}	2341	}
1704		2342
		2343	=item $ref = $ob->ref
		2344
		2345	Creates and returns a persistent reference to an object that can be stored as a string.
		2346
		2347	=item $ob = cf::object::deref ($refstring)
		2348
		2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2350	even if the object actually exists. May block.
		2351
		2352	=cut
		2353
		2354	sub deref {
		2355	my ($ref) = @_;
		2356
		2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2358	my ($uuid, $name) = ($1, $2);
		2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2360	or return;
		2361	$pl->ob->uuid eq $uuid
		2362	or return;
		2363
		2364	$pl->ob
		2365	} else {
		2366	warn "$ref: cannot resolve object reference\n";
		2367	undef
		2368	}
		2369	}
		2370
1705	package cf;	2371	package cf;
1706		2372
1707	=back	2373	=back
1708		2374
1709	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2381	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2382	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1718		2384
1719	=cut	2385	=cut
		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
1720		2400
1721	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2402	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1726		2406
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2408
1729	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1731	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1734	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1735	}	2434	}
1736		2435
1737	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1738		2437
1739	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1752		2451
1753	=item $player_object->enter_link	2452	=item $player_object->enter_link
1754		2453
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2455
1757	The player should be reasonably safe there for short amounts of time. You	2456	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
1759		2460
1760	Will never block.	2461	Will never block.
1761		2462
1762	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1763		2464
…		…
1786	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1787		2488
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2490
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1792		2493
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2495	}
1795		2496
1796	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1798		2501
1799	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1800		2503
1801	unless ($map) {	2504	unless ($map) {
1802	# restore original map position	2505	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1819		2522
1820	$map->load;	2523	$map->load;
1821	$map->load_diag;	2524	$map->load_neighbours;
1822		2525
1823	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1824	$self->activate_recursive;	2528	$self->activate_recursive;
		2529
		2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1826	}	2532	}
1827		2533
1828	cf::player->attach (	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829	on_logout => sub {
1830	my ($pl) = @_;
1831		2535
1832	# abort map switching before logout	2536	Moves the player to the given map-path and coordinates by first freezing
1833	if ($pl->ob->{_link_pos}) {	2537	her, loading and preparing them map, calling the provided $check callback
1834	cf::sync_job {	2538	that has to return the map if sucecssful, and then unfreezes the player on
1835	$pl->ob->leave_link	2539	the new (success) or old (failed) map position. In either case, $done will
1836	};	2540	be called at the end of this process.
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2541
1842	# try to abort aborted map switching on player login :)	2542	Note that $check will be called with a potentially non-loaded map, so if
1843	# should happen only on crashes	2543	it needs a loaded map it has to call C<< ->load >>.
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859		2544
1860	=item $player_object->goto ($path, $x, $y)
1861
1862	=cut	2545	=cut
		2546
		2547	our $GOTOGEN;
1863		2548
1864	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2550	my ($self, $path, $x, $y, $check, $done) = @_;
		2551
		2552	# do generation counting so two concurrent goto's will be executed in-order
		2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2554
1867	$self->enter_link;	2555	$self->enter_link;
1868		2556
1869	(async {	2557	(async {
		2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
		2560	# *tag paths override both path and x|y
		2561	if ($path =~ /^\*(.*)$/) {
		2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2563	my $ob = $obs[rand @obs];
		2564
		2565	# see if we actually can go there
		2566	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2567	$ob = $obs[rand @obs];
		2568	} else {
		2569	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2570	}
		2571	# else put us there anyways for now #d#
		2572
		2573	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2574	} else {
		2575	($path, $x, $y) = (undef, undef, undef);
		2576	}
		2577	}
		2578
1870	my $map = eval {	2579	my $map = eval {
1871	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
		2581
		2582	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2583	$map = $map->customise_for ($self);
		2584	$map = $check->($map) if $check && $map;
		2585	} else {
		2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588
1873	$map	2589	$map
		2590	};
		2591
		2592	if ($@) {
		2593	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2595	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2596
		2597	if ($gen == $self->{_goto_generation}) {
		2598	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
		2600	}
		2601
		2602	$done->() if $done;
1878	})->prio (1);	2603	})->prio (1);
1879	}	2604	}
1880		2605
1881	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
1882		2607
…		…
1902	}	2627	}
1903		2628
1904	sub prepare_random_map {	2629	sub prepare_random_map {
1905	my ($exit) = @_;	2630	my ($exit) = @_;
1906		2631
1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
1910	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
1911	# that depends on the exit object	2634	# that depends on the exit object
1912		2635
1913	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
1915	if ($exit->map) {	2638	if ($exit->map) {
1916	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
1917	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
1918	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
1919	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
1920	}	2645	}
1921		2646
1922	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
1923		2648
1924	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
1927		2652
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2655	undef $fh;
1931	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
1932		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
1933	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
1934	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
1935	}	2664	}
1936	}	2665	}
1937		2666
1938	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
1939	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
1940		2669
1941	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
1942		2671
1943	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
1945	cf::sync_job { prepare_random_map $exit };
1946	}
1947
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;
1951
1952	$self->enter_link;	2672	$self->enter_link;
1953		2673
1954	(async {	2674	(async {
1955	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
1956	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
1957	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
1958		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
1959	1;	2698	1
1960	}) {	2699	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
1962	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2704
1966	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2706	$self->leave_link;
1968	}	2707	}
1969	})->prio (1);	2708	})->prio (1);
…		…
1982		2721
1983	sub cf::client::send_drawinfo {	2722	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2723	my ($self, $text, $flags) = @_;
1985		2724
1986	utf8::encode $text;	2725	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2726	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2727	}
1989		2728
		2729	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2730
		2731	Send a drawinfo or msg packet to the client, formatting the msg for the
		2732	client if neccessary. C<$type> should be a string identifying the type of
		2733	the message, with C<log> being the default. If C<$color> is negative, suppress
		2734	the message unless the client supports the msg packet.
		2735
		2736	=cut
		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/statistics" => {
		2777	id => "infobox",
		2778	title => "Statistics",
		2779	reply => undef,
		2780	tooltip => "Shows your primary statistics",
		2781	},
		2782	"c/skills" => {
		2783	id => "infobox",
		2784	title => "Skills",
		2785	reply => undef,
		2786	tooltip => "Shows your experience per skill and item power",
		2787	},
		2788	"c/resistances" => {
		2789	id => "infobox",
		2790	title => "Resistances",
		2791	reply => undef,
		2792	tooltip => "Shows your resistances",
		2793	},
		2794	"c/pets" => {
		2795	id => "infobox",
		2796	title => "Pets",
		2797	reply => undef,
		2798	tooltip => "Shows information abotu your pets/a specific pet",
		2799	},
		2800	"c/uptime" => {
		2801	id => "infobox",
		2802	title => "Uptime",
		2803	reply => undef,
		2804	tooltip => "How long the server has been running since last restart",
		2805	},
		2806	"c/mapinfo" => {
		2807	id => "infobox",
		2808	title => "Map Info",
		2809	reply => undef,
		2810	tooltip => "Information related to the maps",
		2811	},
		2812	"c/party" => {
		2813	id => "party",
		2814	title => "Party",
		2815	reply => "gsay ",
		2816	tooltip => "Messages and chat related to your party",
		2817	},
		2818	"c/death" => {
		2819	id => "death",
		2820	title => "Death",
		2821	reply => undef,
		2822	tooltip => "Reason for and more info about your most recent death",
		2823	},
		2824	"c/say" => $SAY_CHANNEL,
		2825	"c/chat" => $CHAT_CHANNEL,
		2826	);
		2827
		2828	sub cf::client::send_msg {
		2829	my ($self, $channel, $msg, $color, @extra) = @_;
		2830
		2831	$msg = $self->pl->expand_cfpod ($msg)
		2832	unless $color & cf::NDI_VERBATIM;
		2833
		2834	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2835
		2836	# check predefined channels, for the benefit of C
		2837	if ($CHANNEL{$channel}) {
		2838	$channel = $CHANNEL{$channel};
		2839
		2840	$self->ext_msg (channel_info => $channel);
		2841	$channel = $channel->{id};
		2842
		2843	} elsif (ref $channel) {
		2844	# send meta info to client, if not yet sent
		2845	unless (exists $self->{channel}{$channel->{id}}) {
		2846	$self->{channel}{$channel->{id}} = $channel;
		2847	$self->ext_msg (channel_info => $channel);
		2848	}
		2849
		2850	$channel = $channel->{id};
		2851	}
		2852
		2853	return unless @extra || length $msg;
		2854
		2855	# default colour, mask it out
		2856	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2857	if $color & cf::NDI_DEF;
		2858
		2859	my $pkt = "msg "
		2860	. $self->{json_coder}->encode (
		2861	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2862	);
		2863
		2864	# try lzf for large packets
		2865	$pkt = "lzf " . Compress::LZF::compress $pkt
		2866	if 1024 <= length $pkt and $self->{can_lzf};
		2867
		2868	# split very large packets
		2869	if (8192 < length $pkt and $self->{can_lzf}) {
		2870	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2871	$pkt = "frag";
		2872	}
		2873
		2874	$self->send_packet ($pkt);
		2875	}
		2876
		2877	=item $client->ext_msg ($type, @msg)
		2878
		2879	Sends an ext event to the client.
		2880
		2881	=cut
		2882
		2883	sub cf::client::ext_msg($$@) {
		2884	my ($self, $type, @msg) = @_;
		2885
		2886	if ($self->extcmd == 2) {
		2887	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2888	} elsif ($self->extcmd == 1) { # TODO: remove
		2889	push @msg, msgtype => "event_$type";
		2890	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2891	}
		2892	}
		2893
		2894	=item $client->ext_reply ($msgid, @msg)
		2895
		2896	Sends an ext reply to the client.
		2897
		2898	=cut
		2899
		2900	sub cf::client::ext_reply($$@) {
		2901	my ($self, $id, @msg) = @_;
		2902
		2903	if ($self->extcmd == 2) {
		2904	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2905	} elsif ($self->extcmd == 1) {
		2906	#TODO: version 1, remove
		2907	unshift @msg, msgtype => "reply", msgid => $id;
		2908	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2909	}
		2910	}
1990		2911
1991	=item $success = $client->query ($flags, "text", \&cb)	2912	=item $success = $client->query ($flags, "text", \&cb)
1992		2913
1993	Queues a query to the client, calling the given callback with	2914	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2915	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2916	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		2917
1997	Queries can fail, so check the return code. Or don't, as queries will become	2918	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	2919	become reliable at some point in the future.
1999		2920
2000	=cut	2921	=cut
2001		2922
2002	sub cf::client::query {	2923	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	2924	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	2932	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2933	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		2934
2014	$self->send_packet ($self->{query_queue}[0][0])	2935	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	2936	if @{ $self->{query_queue} } == 1;
		2937
		2938	1
2016	}	2939	}
2017		2940
2018	cf::client->attach (	2941	cf::client->attach (
		2942	on_connect => sub {
		2943	my ($ns) = @_;
		2944
		2945	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2946	},
2019	on_reply => sub {	2947	on_reply => sub {
2020	my ($ns, $msg) = @_;	2948	my ($ns, $msg) = @_;
2021		2949
2022	# this weird shuffling is so that direct followup queries	2950	# this weird shuffling is so that direct followup queries
2023	# get handled first	2951	# get handled first
…		…
2035	} else {	2963	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2964	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	2965	}
2038	}	2966	}
2039	},	2967	},
		2968	on_exticmd => sub {
		2969	my ($ns, $buf) = @_;
		2970
		2971	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2972
		2973	if (ref $msg) {
		2974	my ($type, $reply, @payload) =
		2975	"ARRAY" eq ref $msg
		2976	? @$msg
		2977	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2978
		2979	my @reply;
		2980
		2981	if (my $cb = $EXTICMD{$type}) {
		2982	@reply = $cb->($ns, @payload);
		2983	}
		2984
		2985	$ns->ext_reply ($reply, @reply)
		2986	if $reply;
		2987
		2988	} else {
		2989	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2990	}
		2991
		2992	cf::override;
		2993	},
2040	);	2994	);
2041		2995
2042	=item $client->async (\&cb)	2996	=item $client->async (\&cb)
2043		2997
2044	Create a new coroutine, running the specified callback. The coroutine will	2998	Create a new coroutine, running the specified callback. The coroutine will
…		…
2085	our $safe = new Safe "safe";	3039	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3040	our $safe_hole = new Safe::Hole;
2087		3041
2088	$SIG{FPE} = 'IGNORE';	3042	$SIG{FPE} = 'IGNORE';
2089		3043
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3044	$safe->permit_only (Opcode::opset qw(
		3045	:base_core :base_mem :base_orig :base_math
		3046	grepstart grepwhile mapstart mapwhile
		3047	sort time
		3048	));
2091		3049
2092	# here we export the classes and methods available to script code	3050	# here we export the classes and methods available to script code
2093		3051
2094	=pod	3052	=pod
2095		3053
2096	The following fucntions and emthods are available within a safe environment:	3054	The following functions and methods are available within a safe environment:
2097		3055
2098	cf::object contr pay_amount pay_player map	3056	cf::object
		3057	contr pay_amount pay_player map x y force_find force_add destroy
		3058	insert remove name archname title slaying race decrease split
		3059	value
		3060
2099	cf::object::player player	3061	cf::object::player
2100	cf::player peaceful	3062	player
2101	cf::map trigger	3063
		3064	cf::player
		3065	peaceful
		3066
		3067	cf::map
		3068	trigger
2102		3069
2103	=cut	3070	=cut
2104		3071
2105	for (	3072	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	3073	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3074	insert remove inv nrof name archname title slaying race
		3075	decrease split destroy change_exp value msg lore send_msg)],
2107	["cf::object::player" => qw(player)],	3076	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3077	["cf::player" => qw(peaceful send_msg)],
2109	["cf::map" => qw(trigger)],	3078	["cf::map" => qw(trigger)],
2110	) {	3079	) {
2111	no strict 'refs';	3080	no strict 'refs';
2112	my ($pkg, @funs) = @$_;	3081	my ($pkg, @funs) = @$_;
2113	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3082	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2130	my ($code, %vars) = @_;	3099	my ($code, %vars) = @_;
2131		3100
2132	my $qcode = $code;	3101	my $qcode = $code;
2133	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3102	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2134	$qcode =~ s/\n/\\n/g;	3103	$qcode =~ s/\n/\\n/g;
		3104
		3105	%vars = (_dummy => 0) unless %vars;
2135		3106
2136	local $_;	3107	local $_;
2137	local @safe::cf::_safe_eval_args = values %vars;	3108	local @safe::cf::_safe_eval_args = values %vars;
2138		3109
2139	my $eval =	3110	my $eval =
…		…
2182	=back	3153	=back
2183		3154
2184	=cut	3155	=cut
2185		3156
2186	#############################################################################	3157	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257
2258	#############################################################################
2259	# the server's init and main functions	3158	# the server's init and main functions
2260		3159
		3160	sub load_facedata($) {
		3161	my ($path) = @_;
		3162
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3168
		3169	warn "loading facedata from $path\n";
		3170
		3171	my $facedata;
		3172	0 < aio_load $path, $facedata
		3173	or die "$path: $!";
		3174
		3175	$facedata = Coro::Storable::thaw $facedata;
		3176
		3177	$facedata->{version} == 2
		3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3179
		3180	# patch in the exptable
		3181	$facedata->{resource}{"res/exp_table"} = {
		3182	type => FT_RSRC,
		3183	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3184	};
		3185	cf::cede_to_tick;
		3186
		3187	{
		3188	my $faces = $facedata->{faceinfo};
		3189
		3190	while (my ($face, $info) = each %$faces) {
		3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
		3193	cf::face::set_visibility $idx, $info->{visibility};
		3194	cf::face::set_magicmap $idx, $info->{magicmap};
		3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3197
		3198	cf::cede_to_tick;
		3199	}
		3200
		3201	while (my ($face, $info) = each %$faces) {
		3202	next unless $info->{smooth};
		3203
		3204	my $idx = cf::face::find $face
		3205	or next;
		3206
		3207	if (my $smooth = cf::face::find $info->{smooth}) {
		3208	cf::face::set_smooth $idx, $smooth;
		3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3210	} else {
		3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3212	}
		3213
		3214	cf::cede_to_tick;
		3215	}
		3216	}
		3217
		3218	{
		3219	my $anims = $facedata->{animinfo};
		3220
		3221	while (my ($anim, $info) = each %$anims) {
		3222	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3223	cf::cede_to_tick;
		3224	}
		3225
		3226	cf::anim::invalidate_all; # d'oh
		3227	}
		3228
		3229	{
		3230	# TODO: for gcfclient pleasure, we should give resources
		3231	# that gcfclient doesn't grok a >10000 face index.
		3232	my $res = $facedata->{resource};
		3233
		3234	while (my ($name, $info) = each %$res) {
		3235	if (defined $info->{type}) {
		3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3237	my $data;
		3238
		3239	if ($info->{type} & 1) {
		3240	# prepend meta info
		3241
		3242	my $meta = $enc->encode ({
		3243	name => $name,
		3244	%{ $info->{meta} || {} },
		3245	});
		3246
		3247	$data = pack "(w/a*)*", $meta, $info->{data};
		3248	} else {
		3249	$data = $info->{data};
		3250	}
		3251
		3252	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3253	cf::face::set_type $idx, $info->{type};
		3254	} else {
		3255	$RESOURCE{$name} = $info;
		3256	}
		3257
		3258	cf::cede_to_tick;
		3259	}
		3260	}
		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3263
		3264	1
		3265	}
		3266
		3267	cf::global->attach (on_resource_update => sub {
		3268	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3269	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3270
		3271	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3272	my $sound = $soundconf->{compat}[$_]
		3273	or next;
		3274
		3275	my $face = cf::face::find "sound/$sound->[1]";
		3276	cf::sound::set $sound->[0] => $face;
		3277	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3278	}
		3279
		3280	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3281	my $face = cf::face::find "sound/$v";
		3282	cf::sound::set $k => $face;
		3283	}
		3284	}
		3285	});
		3286
		3287	register_exticmd fx_want => sub {
		3288	my ($ns, $want) = @_;
		3289
		3290	while (my ($k, $v) = each %$want) {
		3291	$ns->fx_want ($k, $v);
		3292	}
		3293	};
		3294
2261	sub load_resources {	3295	sub load_resource_file($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
		3304
		3305	sub reload_regions {
		3306	# HACK to clear player env face cache, we need some signal framework
		3307	# for this (global event?)
		3308	%ext::player_env::MUSIC_FACE_CACHE = ();
		3309
		3310	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3311	or die "unable to load regions file\n";
2264	}
2265		3312
2266	sub cfg_load {	3313	for (cf::region::list) {
		3314	$_->{match} = qr/$_->{match}/
		3315	if exists $_->{match};
		3316	}
		3317	}
		3318
		3319	sub reload_facedata {
		3320	load_facedata "$DATADIR/facedata"
		3321	or die "unable to load facedata\n";
		3322	}
		3323
		3324	sub reload_archetypes {
		3325	load_resource_file "$DATADIR/archetypes"
		3326	or die "unable to load archetypes\n";
		3327	}
		3328
		3329	sub reload_treasures {
		3330	load_resource_file "$DATADIR/treasures"
		3331	or die "unable to load treasurelists\n";
		3332	}
		3333
		3334	sub reload_resources {
		3335	warn "reloading resource files...\n";
		3336
		3337	reload_facedata;
		3338	reload_archetypes;
		3339	reload_regions;
		3340	reload_treasures;
		3341
		3342	warn "finished reloading resource files\n";
		3343	}
		3344
		3345	sub reload_config {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3346	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	3347	or return;
2269		3348
2270	local $/;	3349	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	3350	*CFG = YAML::Load <$fh>;
2272		3351
2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3352	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2274		3353
2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3354	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3355	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2282	};	3361	};
2283	warn $@ if $@;	3362	warn $@ if $@;
2284	}	3363	}
2285	}	3364	}
2286		3365
2287	sub init {	3366	sub pidfile() {
2288	load_resources;	3367	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3368	or die "$PIDFILE: $!";
		3369	flock $fh, &Fcntl::LOCK_EX
		3370	or die "$PIDFILE: flock: $!";
		3371	$fh
		3372	}
		3373
		3374	# make sure only one server instance is running at any one time
		3375	sub atomic {
		3376	my $fh = pidfile;
		3377
		3378	my $pid = <$fh>;
		3379	kill 9, $pid if $pid > 0;
		3380
		3381	seek $fh, 0, 0;
		3382	print $fh $$;
2289	}	3383	}
2290		3384
2291	sub main {	3385	sub main {
		3386	cf::init_globals; # initialise logging
		3387
		3388	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3389	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3390	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3391	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3392
		3393	cf::init_experience;
		3394	cf::init_anim;
		3395	cf::init_attackmess;
		3396	cf::init_dynamic;
		3397
		3398	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3399
2292	# we must not ever block the main coroutine	3400	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3401	local $Coro::idle = sub {
2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3402	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295	(async {	3403	(async {
2296	Event::one_event;	3404	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3405	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3406	})->prio (Coro::PRIO_MAX);
2298	};	3407	};
2299		3408
2300	cfg_load;	3409	evthread_start IO::AIO::poll_fileno;
		3410
		3411	cf::sync_job {
		3412	reload_resources;
		3413	reload_config;
2301	db_init;	3414	db_init;
		3415
		3416	cf::load_settings;
		3417	cf::load_materials;
		3418	cf::init_uuid;
		3419	cf::init_signals;
		3420	cf::init_commands;
		3421	cf::init_skills;
		3422
		3423	cf::init_beforeplay;
		3424
		3425	atomic;
		3426
2302	load_extensions;	3427	load_extensions;
2303		3428
2304	$TICK_WATCHER->start;	3429	utime time, time, $RUNTIMEFILE;
		3430
		3431	# no (long-running) fork's whatsoever before this point(!)
		3432	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3433
		3434	(pop @POST_INIT)->(0) while @POST_INIT;
		3435	};
		3436
2305	Event::loop;	3437	EV::loop;
2306	}	3438	}
2307		3439
2308	#############################################################################	3440	#############################################################################
2309	# initialisation and cleanup	3441	# initialisation and cleanup
2310		3442
2311	# install some emergency cleanup handlers	3443	# install some emergency cleanup handlers
2312	BEGIN {	3444	BEGIN {
		3445	our %SIGWATCHER = ();
2313	for my $signal (qw(INT HUP TERM)) {	3446	for my $signal (qw(INT HUP TERM)) {
2314	Event->signal (	3447	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2315	reentrant => 0,
2316	data => WF_AUTOCANCEL,
2317	signal => $signal,
2318	prio => 0,
2319	cb => sub {
2320	cf::cleanup "SIG$signal";	3448	cf::cleanup "SIG$signal";
2321	},
2322	);	3449	};
		3450	}
		3451	}
		3452
		3453	sub write_runtime_sync {
		3454	# first touch the runtime file to show we are still running:
		3455	# the fsync below can take a very very long time.
		3456
		3457	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3458
		3459	my $guard = cf::lock_acquire "write_runtime";
		3460
		3461	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3462	or return;
		3463
		3464	my $value = $cf::RUNTIME + 90 + 10;
		3465	# 10 is the runtime save interval, for a monotonic clock
		3466	# 60 allows for the watchdog to kill the server.
		3467
		3468	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3469	and return;
		3470
		3471	# always fsync - this file is important
		3472	aio_fsync $fh
		3473	and return;
		3474
		3475	# touch it again to show we are up-to-date
		3476	aio_utime $fh, undef, undef;
		3477
		3478	close $fh
		3479	or return;
		3480
		3481	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3482	and return;
		3483
		3484	warn "runtime file written.\n";
		3485
2323	}	3486	1
		3487	}
		3488
		3489	our $uuid_lock;
		3490	our $uuid_skip;
		3491
		3492	sub write_uuid_sync($) {
		3493	$uuid_skip ||= $_[0];
		3494
		3495	return if $uuid_lock;
		3496	local $uuid_lock = 1;
		3497
		3498	my $uuid = "$LOCALDIR/uuid";
		3499
		3500	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3501	or return;
		3502
		3503	my $value = uuid_seq uuid_cur;
		3504
		3505	unless ($value) {
		3506	warn "cowardly refusing to write zero uuid value!\n";
		3507	return;
		3508	}
		3509
		3510	my $value = uuid_str $value + $uuid_skip;
		3511	$uuid_skip = 0;
		3512
		3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3514	and return;
		3515
		3516	# always fsync - this file is important
		3517	aio_fsync $fh
		3518	and return;
		3519
		3520	close $fh
		3521	or return;
		3522
		3523	aio_rename "$uuid~", $uuid
		3524	and return;
		3525
		3526	warn "uuid file written ($value).\n";
		3527
		3528	1
		3529
		3530	}
		3531
		3532	sub write_uuid($$) {
		3533	my ($skip, $sync) = @_;
		3534
		3535	$sync ? write_uuid_sync $skip
		3536	: async { write_uuid_sync $skip };
2324	}	3537	}
2325		3538
2326	sub emergency_save() {	3539	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
2328		3541
2329	warn "enter emergency perl save\n";	3542	warn "emergency_perl_save: enter\n";
2330		3543
2331	cf::sync_job {	3544	cf::sync_job {
		3545	# this is a trade-off: we want to be very quick here, so
		3546	# save all maps without fsync, and later call a global sync
		3547	# (which in turn might be very very slow)
		3548	local $USE_FSYNC = 0;
		3549
2332	# use a peculiar iteration method to avoid tripping on perl	3550	# use a peculiar iteration method to avoid tripping on perl
2333	# refcount bugs in for. also avoids problems with players	3551	# refcount bugs in for. also avoids problems with players
2334	# and maps saved/destroyed asynchronously.	3552	# and maps saved/destroyed asynchronously.
2335	warn "begin emergency player save\n";	3553	warn "emergency_perl_save: begin player save\n";
2336	for my $login (keys %cf::PLAYER) {	3554	for my $login (keys %cf::PLAYER) {
2337	my $pl = $cf::PLAYER{$login} or next;	3555	my $pl = $cf::PLAYER{$login} or next;
2338	$pl->valid or next;	3556	$pl->valid or next;
		3557	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2339	$pl->save;	3558	$pl->save;
2340	}	3559	}
2341	warn "end emergency player save\n";	3560	warn "emergency_perl_save: end player save\n";
2342		3561
2343	warn "begin emergency map save\n";	3562	warn "emergency_perl_save: begin map save\n";
2344	for my $path (keys %cf::MAP) {	3563	for my $path (keys %cf::MAP) {
2345	my $map = $cf::MAP{$path} or next;	3564	my $map = $cf::MAP{$path} or next;
2346	$map->valid or next;	3565	$map->valid or next;
2347	$map->save;	3566	$map->save;
2348	}	3567	}
2349	warn "end emergency map save\n";	3568	warn "emergency_perl_save: end map save\n";
2350		3569
2351	warn "begin emergency database checkpoint\n";	3570	warn "emergency_perl_save: begin database checkpoint\n";
2352	BDB::db_env_txn_checkpoint $DB_ENV;	3571	BDB::db_env_txn_checkpoint $DB_ENV;
2353	warn "end emergency database checkpoint\n";	3572	warn "emergency_perl_save: end database checkpoint\n";
		3573
		3574	warn "emergency_perl_save: begin write uuid\n";
		3575	write_uuid_sync 1;
		3576	warn "emergency_perl_save: end write uuid\n";
2354	};	3577	};
2355		3578
		3579	warn "emergency_perl_save: starting sync()\n";
		3580	IO::AIO::aio_sync sub {
		3581	warn "emergency_perl_save: finished sync()\n";
		3582	};
		3583
2356	warn "leave emergency perl save\n";	3584	warn "emergency_perl_save: leave\n";
2357	}	3585	}
2358		3586
		3587	sub post_cleanup {
		3588	my ($make_core) = @_;
		3589
		3590	warn Carp::longmess "post_cleanup backtrace"
		3591	if $make_core;
		3592
		3593	my $fh = pidfile;
		3594	unlink $PIDFILE if <$fh> == $$;
		3595	}
		3596
		3597	# a safer delete_package, copied from Symbol
		3598	sub clear_package($) {
		3599	my $pkg = shift;
		3600
		3601	# expand to full symbol table name if needed
		3602	unless ($pkg =~ /^main::.*::$/) {
		3603	$pkg = "main$pkg" if $pkg =~ /^::/;
		3604	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3605	$pkg .= '::' unless $pkg =~ /::$/;
		3606	}
		3607
		3608	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3609	my $stem_symtab = *{$stem}{HASH};
		3610
		3611	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3612	or return;
		3613
		3614	# clear all symbols
		3615	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3616	for my $name (keys %$leaf_symtab) {
		3617	_gv_clear *{"$pkg$name"};
		3618	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3619	}
		3620	warn "cleared package $pkg\n";#d#
		3621	}
		3622
2359	sub reload() {	3623	sub do_reload_perl() {
2360	# can/must only be called in main	3624	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3625	if ($Coro::current != $Coro::main) {
2362	warn "can only reload from main coroutine";	3626	warn "can only reload from main coroutine";
2363	return;	3627	return;
2364	}	3628	}
2365		3629
		3630	return if $RELOAD++;
		3631
		3632	my $t1 = EV::time;
		3633
		3634	while ($RELOAD) {
2366	warn "reloading...";	3635	warn "reloading...";
2367		3636
2368	warn "cancelling server ticker";	3637	warn "entering sync_job";
2369	$TICK_WATCHER->cancel;
2370		3638
		3639	cf::sync_job {
		3640	cf::write_runtime_sync; # external watchdog should not bark
2371	cf::emergency_save;	3641	cf::emergency_save;
		3642	cf::write_runtime_sync; # external watchdog should not bark
2372		3643
2373	eval {	3644	warn "syncing database to disk";
		3645	BDB::db_env_txn_checkpoint $DB_ENV;
		3646
2374	# if anything goes wrong in here, we should simply crash as we already saved	3647	# if anything goes wrong in here, we should simply crash as we already saved
2375		3648
2376	warn "cancelling all WF_AUTOCANCEL watchers";
2377	for (Event::all_watchers) {
2378	$_->cancel if $_->data & WF_AUTOCANCEL;
2379	}
2380
2381	warn "syncing database to disk";
2382	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2383
2384	warn "flushing outstanding aio requests";	3649	warn "flushing outstanding aio requests";
2385	for (;;) {
2386	BDB::flush;
2387	IO::AIO::flush;
2388	Coro::cede;
2389	last unless IO::AIO::nreqs || BDB::nreqs;	3650	while (IO::AIO::nreqs || BDB::nreqs) {
2390	warn "iterate...";	3651	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2391	}
2392
2393	warn "cancelling all extension coros";
2394	$_->cancel for values %EXT_CORO;
2395	%EXT_CORO = ();
2396
2397	warn "removing commands";
2398	%COMMAND = ();
2399
2400	warn "removing ext commands";
2401	%EXTCMD = ();
2402
2403	warn "unloading/nuking all extensions";
2404	for my $pkg (@EXTS) {
2405	warn "... unloading $pkg";
2406
2407	if (my $cb = $pkg->can ("unload")) {
2408	eval {
2409	$cb->($pkg);
2410	1
2411	} or warn "$pkg unloaded, but with errors: $@";
2412	}	3652	}
2413		3653
2414	warn "... nuking $pkg";	3654	warn "cancelling all extension coros";
2415	Symbol::delete_package $pkg;	3655	$_->cancel for values %EXT_CORO;
2416	}	3656	%EXT_CORO = ();
2417		3657
2418	warn "unloading all perl modules loaded from $LIBDIR";	3658	warn "removing commands";
2419	while (my ($k, $v) = each %INC) {	3659	%COMMAND = ();
2420	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2421		3660
		3661	warn "removing ext/exti commands";
		3662	%EXTCMD = ();
		3663	%EXTICMD = ();
		3664
		3665	warn "unloading/nuking all extensions";
		3666	for my $pkg (@EXTS) {
2422	warn "... unloading $k";	3667	warn "... unloading $pkg";
2423	delete $INC{$k};
2424		3668
2425	$k =~ s/\.pm$//;
2426	$k =~ s/\//::/g;
2427
2428	if (my $cb = $k->can ("unload_module")) {	3669	if (my $cb = $pkg->can ("unload")) {
		3670	eval {
2429	$cb->();	3671	$cb->($pkg);
		3672	1
		3673	} or warn "$pkg unloaded, but with errors: $@";
		3674	}
		3675
		3676	warn "... clearing $pkg";
		3677	clear_package $pkg;
2430	}	3678	}
2431		3679
2432	Symbol::delete_package $k;	3680	warn "unloading all perl modules loaded from $LIBDIR";
		3681	while (my ($k, $v) = each %INC) {
		3682	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3683
		3684	warn "... unloading $k";
		3685	delete $INC{$k};
		3686
		3687	$k =~ s/\.pm$//;
		3688	$k =~ s/\//::/g;
		3689
		3690	if (my $cb = $k->can ("unload_module")) {
		3691	$cb->();
		3692	}
		3693
		3694	clear_package $k;
2433	}	3695	}
2434		3696
2435	warn "getting rid of safe::, as good as possible";	3697	warn "getting rid of safe::, as good as possible";
2436	Symbol::delete_package "safe::$_"	3698	clear_package "safe::$_"
2437	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3699	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2438		3700
2439	warn "unloading cf.pm \"a bit\"";	3701	warn "unloading cf.pm \"a bit\"";
2440	delete $INC{"cf.pm"};	3702	delete $INC{"cf.pm"};
		3703	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2441		3704
2442	# don't, removes xs symbols, too,	3705	# don't, removes xs symbols, too,
2443	# and global variables created in xs	3706	# and global variables created in xs
2444	#Symbol::delete_package __PACKAGE__;	3707	#clear_package __PACKAGE__;
2445		3708
2446	warn "unload completed, starting to reload now";	3709	warn "unload completed, starting to reload now";
2447		3710
2448	warn "reloading cf.pm";	3711	warn "reloading cf.pm";
2449	require cf;	3712	require cf;
2450	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3713	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2451		3714
2452	warn "loading config and database again";	3715	warn "loading config and database again";
2453	cf::cfg_load;	3716	cf::reload_config;
2454		3717
2455	warn "loading extensions";	3718	warn "loading extensions";
2456	cf::load_extensions;	3719	cf::load_extensions;
2457		3720
		3721	if ($REATTACH_ON_RELOAD) {
2458	warn "reattaching attachments to objects/players";	3722	warn "reattaching attachments to objects/players";
2459	_global_reattach;	3723	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	3724	warn "reattaching attachments to maps";
2461	reattach $_ for values %MAP;	3725	reattach $_ for values %MAP;
		3726	warn "reattaching attachments to players";
		3727	reattach $_ for values %PLAYER;
		3728	}
2462		3729
2463	warn "loading reloadable resources";	3730	warn "running post_init jobs";
2464	load_resources;	3731	(pop @POST_INIT)->(1) while @POST_INIT;
2465		3732
2466	warn "restarting server ticker";	3733	warn "leaving sync_job";
2467		3734
2468	$TICK_WATCHER->start;	3735	1
		3736	} or do {
		3737	warn $@;
		3738	cf::cleanup "error while reloading, exiting.";
		3739	};
		3740
		3741	warn "reloaded";
		3742	--$RELOAD;
		3743	}
		3744
		3745	$t1 = EV::time - $t1;
		3746	warn "reload completed in ${t1}s\n";
		3747	};
		3748
		3749	our $RELOAD_WATCHER; # used only during reload
		3750
		3751	sub reload_perl() {
		3752	# doing reload synchronously and two reloads happen back-to-back,
		3753	# coro crashes during coro_state_free->destroy here.
		3754
		3755	$RELOAD_WATCHER ||= cf::async {
		3756	Coro::AIO::aio_wait cache_extensions;
		3757
		3758	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3759	do_reload_perl;
		3760	undef $RELOAD_WATCHER;
		3761	};
2469	};	3762	};
2470		3763	}
2471	if ($@) {
2472	warn $@;
2473	warn "error while reloading, exiting.";
2474	exit 1;
2475	}
2476
2477	warn "reloaded";
2478	};
2479
2480	our $RELOAD_WATCHER; # used only during reload
2481		3764
2482	register_command "reload" => sub {	3765	register_command "reload" => sub {
2483	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
2484		3767
2485	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
2486	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
2487		3770	async {
2488	# doing reload synchronously and two reloads happen back-to-back,	3771	$Coro::current->{desc} = "perl_reload";
2489	# coro crashes during coro_state_free->destroy here.
2490
2491	$RELOAD_WATCHER ||= Event->timer (
2492	reentrant => 0,
2493	after => 0,
2494	data => WF_AUTOCANCEL,
2495	cb => sub {
2496	reload;	3772	reload_perl;
2497	undef $RELOAD_WATCHER;
2498	},
2499	);	3773	};
2500	}	3774	}
2501	};	3775	};
2502		3776
2503	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
2504		3778
2505	my $bug_warning = 0;	3779	my $bug_warning = 0;
2506		3780
2507	$TICK_WATCHER = Event->timer (	3781	our @WAIT_FOR_TICK;
2508	reentrant => 0,	3782	our @WAIT_FOR_TICK_BEGIN;
2509	parked => 1,	3783
2510	prio => 0,	3784	sub wait_for_tick {
2511	at => $NEXT_TICK || $TICK,	3785	return if tick_inhibit || $Coro::current == $Coro::main;
2512	data => WF_AUTOCANCEL,	3786
2513	cb => sub {	3787	my $signal = new Coro::Signal;
		3788	push @WAIT_FOR_TICK, $signal;
		3789	$signal->wait;
		3790	}
		3791
		3792	sub wait_for_tick_begin {
		3793	return if tick_inhibit || $Coro::current == $Coro::main;
		3794
		3795	my $signal = new Coro::Signal;
		3796	push @WAIT_FOR_TICK_BEGIN, $signal;
		3797	$signal->wait;
		3798	}
		3799
		3800	sub tick {
2514	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2516	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
2517	return;	3804	return;
2518	}	3805	}
2519		3806
2520	$NOW = Event::time;
2521
2522	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
2523	$RUNTIME += $TICK;
2524	$NEXT_TICK += $TICK;
2525		3808
2526	$WAIT_FOR_TICK->broadcast;	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3811	Coro::async_pool {
		3812	$Coro::current->{desc} = "runtime saver";
		3813	write_runtime_sync
		3814	or warn "ERROR: unable to write runtime file: $!";
		3815	};
		3816	}
2528		3817
2529	Event::sweep;	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2530	Coro::cede_notself;	3819	$sig->send;
		3820	}
		3821	while (my $sig = shift @WAIT_FOR_TICK) {
		3822	$sig->send;
		3823	}
		3824
		3825	$LOAD = ($NOW - $TICK_START) / $TICK;
		3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3827
		3828	if (0) {
		3829	if ($NEXT_TICK) {
		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
2531		3833	}
2532	# my $AFTER = Event::time;
2533	# warn $AFTER - $NOW;#d#
2534
2535	# if we are delayed by four ticks or more, skip them all
2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2537
2538	$TICK_WATCHER->at ($NEXT_TICK);
2539	$TICK_WATCHER->start;
2540	},	3834	}
2541	);	3835	}
2542		3836
2543	{	3837	{
2544	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
2545	$BDB_POLL_WATCHER = Event->io (	3839
2546	reentrant => 0,
2547	fd => BDB::poll_fileno,
2548	poll => 'r',
2549	prio => 0,
2550	data => WF_AUTOCANCEL,
2551	cb => \&BDB::poll_cb,
2552	);
2553	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
2554		3841	BDB::max_poll_reqs $TICK * 0.1;
2555	BDB::set_sync_prepare {	3842	$AnyEvent::BDB::WATCHER->priority (1);
2556	my $status;
2557	my $current = $Coro::current;
2558	(
2559	sub {
2560	$status = $!;
2561	$current->ready; undef $current;
2562	},
2563	sub {
2564	Coro::schedule while defined $current;
2565	$! = $status;
2566	},
2567	)
2568	};
2569		3843
2570	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
2571	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
		3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2572		3851
2573	cf::sync_job {	3852	cf::sync_job {
2574	eval {	3853	eval {
2575	BDB::db_env_open	3854	BDB::db_env_open
2576	$DB_ENV,	3855	$DB_ENV,
2577	$BDB_ENV_DIR,	3856	$BDBDIR,
2578	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2579	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2580	0666;	3859	0666;
2581		3860
2582	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2583
2584	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2585	$DB_ENV->set_lk_detect;
2586	};	3862	};
2587		3863
2588	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
2589	};	3865	};
2590	}	3866	}
		3867
		3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3870	};
		3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3873	};
		3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3876	};
2591	}	3877	}
2592		3878
2593	{	3879	{
		3880	# configure IO::AIO
		3881
2594	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
2595
2596	undef $Coro::AIO::WATCHER;
2597	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
2598	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
2599	reentrant => 0,
2600	fd => IO::AIO::poll_fileno,
2601	poll => 'r',
2602	prio => 6,
2603	data => WF_AUTOCANCEL,
2604	cb => \&IO::AIO::poll_cb,
2605	);
2606	}	3885	}
2607		3886
2608	$WRITE_RUNTIME_WATCHER = Event->timer (	3887	my $_log_backtrace;
2609	reentrant => 0,	3888
2610	data => WF_AUTOCANCEL,	3889	sub _log_backtrace {
2611	after => 1,	3890	my ($msg, @addr) = @_;
2612	interval => 10,	3891
2613	prio => 6, # keep it lowest so it acts like a watchdog	3892	$msg =~ s/\n//;
2614	cb => Coro::unblock_sub {	3893
2615	write_runtime	3894	# limit the # of concurrent backtraces
2616	or warn "ERROR: unable to write runtime file: $!";	3895	if ($_log_backtrace < 2) {
		3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
		3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
		3901	my @bt = fork_call {
		3902	@addr = map { sprintf "%x", $_ } @addr;
		3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3905	or die "addr2line: $!";
		3906
		3907	my @funcs;
		3908	my @res = <$fh>;
		3909	chomp for @res;
		3910	while (@res) {
		3911	my ($func, $line) = splice @res, 0, 2, ();
		3912	push @funcs, "[$func] $line";
		3913	}
		3914
		3915	@funcs
		3916	};
		3917
		3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3920	LOG llevInfo, "[ABT] $_\n" for @bt;
		3921	--$_log_backtrace;
		3922	};
		3923	} else {
		3924	LOG llevInfo, "[ABT] $msg\n";
		3925	LOG llevInfo, "[ABT] [suppressed]\n";
2617	},	3926	}
2618	);	3927	}
		3928
		3929	# load additional modules
		3930	eval "use cf::$_" for @EXTRA_MODULES;
2619		3931
2620	END { cf::emergency_save }	3932	END { cf::emergency_save }
2621		3933
2622	1	3934	1
2623		3935

Diff Legend

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