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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.168 by root, Sun Jan 14 00:37:14 2007 UTC vs.
Revision 1.442 by root, Sun Aug 31 09:03:31 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.3 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
		52	use BDB ();
20	use Data::Dumper;	53	use Data::Dumper;
21	use Digest::MD5;	54	use Digest::MD5;
22	use Fcntl;	55	use Fcntl;
		56	use YAML ();
23	use IO::AIO 2.32 ();	57	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	58	use Time::HiRes;
		59	use Compress::LZF;
		60	use Digest::MD5 ();
26		61
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		71
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		73
36	our %COMMAND = ();	74	our %COMMAND = ();
37	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
38		76
39	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
43		82
		83	our $RELOAD; # number of reloads so far
44	our @EVENT;	84	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		85
47	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	87	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	88	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	89	our $PODDIR = "$DATADIR/pod";
		90	our $MAPDIR = "$DATADIR/" . mapdir;
		91	our $LOCALDIR = localdir;
		92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		95	our $RANDOMDIR = "$LOCALDIR/random";
		96	our $BDBDIR = "$LOCALDIR/db";
		97	our %RESOURCE;
		98
		99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	101	our $NEXT_TICK;
52	our $NOW;	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
		106	our $BDB_TRICKLE_WATCHER;
		107	our $DB_ENV;
53		108
54	our %CFG;	109	our %CFG;
55		110
56	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
58		114
59	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	117	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		118
67	# used to convert map paths into valid unix filenames by replacing / by ∕	119	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		121
		122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		123	our $LOADAVG; # same thing, but with alpha-smoothing
		124	our $JITTER; # average jitter
		125	our $TICK_START; # for load detecting purposes
		126
70	binmode STDOUT;	127	binmode STDOUT;
71	binmode STDERR;	128	binmode STDERR;
72		129
73	# read virtual server time, if available	130	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	132	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	133	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	134	$RUNTIME = <$fh> + 0.;
78	}	135	}
79		136
80	mkdir cf::localdir;	137	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		139
86	our $EMERGENCY_POSITION;	140	our $EMERGENCY_POSITION;
		141
		142	sub cf::map::normalise;
87		143
88	#############################################################################	144	#############################################################################
89		145
90	=head2 GLOBAL VARIABLES	146	=head2 GLOBAL VARIABLES
91		147
…		…
98	=item $cf::RUNTIME	154	=item $cf::RUNTIME
99		155
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	156	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	157	every server tick.
102		158
103	=item $cf::LIBDIR	159	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		160	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		161	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		162
105	The perl library directory, where extensions and cf-specific modules can	163	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	164	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		165	unique-items directory, player file directory, random maps directory and
		166	database environment.
107		167
108	=item $cf::NOW	168	=item $cf::NOW
109		169
110	The time of the last (current) server tick.	170	The time of the last (current) server tick.
111		171
112	=item $cf::TICK	172	=item $cf::TICK
113		173
114	The interval between server ticks, in seconds.	174	The interval between server ticks, in seconds.
115		175
		176	=item $cf::LOADAVG
		177
		178	The current CPU load on the server (alpha-smoothed), as a value between 0
		179	(none) and 1 (overloaded), indicating how much time is spent on processing
		180	objects per tick. Healthy values are < 0.5.
		181
		182	=item $cf::LOAD
		183
		184	The raw value load value from the last tick.
		185
116	=item %cf::CFG	186	=item %cf::CFG
117		187
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	189	from wherever your confdir points to.
120		190
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		192
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	194	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	196
		197	=item @cf::INVOKE_RESULTS
		198
		199	This array contains the results of the last C<invoke ()> call. When
		200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		201	that call.
127		202
128	=back	203	=back
129		204
130	=cut	205	=cut
131		206
132	BEGIN {	207	BEGIN {
133	*CORE::GLOBAL::warn = sub {	208	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	209	my $msg = join "", @_;
135	utf8::encode $msg;
136		210
137	$msg .= "\n"	211	$msg .= "\n"
138	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
139		213
		214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		215
140	LOG llevError, $msg;	216	LOG llevError, $msg;
141	};	217	};
142	}	218	}
		219
		220	$Coro::State::DIEHOOK = sub {
		221	return unless $^S eq 0; # "eq", not "=="
		222
		223	if ($Coro::current == $Coro::main) {#d#
		224	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		225	return;#d#
		226	}#d#
		227
		228	# kill coroutine otherwise
		229	warn Carp::longmess $_[0];
		230	Coro::terminate
		231	};
		232
		233	$SIG{__DIE__} = sub { }; #d#?
143		234
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	239	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		240	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	241	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		242
151	# we bless all objects into (empty) derived classes to force a method lookup	243	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	244	# within the Safe compartment.
153	for my $pkg (qw(	245	for my $pkg (qw(
154	cf::global cf::attachable	246	cf::global cf::attachable
155	cf::object cf::object::player	247	cf::object cf::object::player
156	cf::client cf::player	248	cf::client cf::player
157	cf::arch cf::living	249	cf::arch cf::living
		250	cf::map cf::mapspace
158	cf::map cf::party cf::region	251	cf::party cf::region
159	)) {	252	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	254	}
163		255
164	$Event::DIED = sub {	256	$EV::DIED = sub {
165	warn "error in event callback: @_";	257	warn "error in event callback: @_";
166	};	258	};
		259
		260	#############################################################################
167		261
168	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
169		263
170	=over 4	264	=over 4
171		265
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	285	$d
192	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
193	}	287	}
194		288
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
198		290
199	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
200		292
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
209		294
210	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
211		296
212	=cut	297	=cut
213		298
214	sub to_json($) {	299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	300
216	JSON::Syck::Dump $_[0]	301	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	302	sub decode_json($) { $json_coder->decode ($_[0]) }
218		303
219	=item cf::lock_wait $string	304	=item cf::lock_wait $string
220		305
221	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
222		307
…		…
225	Wait until the given lock is available and then acquires it and returns	310	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	311	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
228	returned.	313	returned.
229		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
230	Lock names should begin with a unique identifier (for example, cf::map::find	318	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
232		320
		321	=item $locked = cf::lock_active $string
		322
		323	Return true if the lock is currently active, i.e. somebody has locked it.
		324
233	=cut	325	=cut
234		326
235	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
236		329
237	sub lock_wait($) {	330	sub lock_wait($) {
238	my ($key) = @_;	331	my ($key) = @_;
		332
		333	if ($LOCKER{$key} == $Coro::current) {#d#
		334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		335	return;#d#
		336	}#d#
239		337
240	# wait for lock, if any	338	# wait for lock, if any
241	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	341	Coro::schedule;
…		…
249		347
250	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
251	lock_wait $key;	349	lock_wait $key;
252		350
253	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
254		353
255	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
258	}	358	}
259	}	359	}
260		360
		361	sub lock_active($) {
		362	my ($key) = @_;
		363
		364	! ! $LOCK{$key}
		365	}
		366
261	sub freeze_mainloop {	367	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
263		369
264	my $guard = Coro::guard {	370	Coro::guard \&tick_inhibit_dec;
265	$TICK_WATCHER->start;	371	}
266	$WRITE_RUNTIME_WATCHER->start;	372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
267	};	431	}
268	$WRITE_RUNTIME_WATCHER->stop;	432	};
269	$TICK_WATCHER->stop;	433
270	$guard	434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
271	}	446	}
272		447
273	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
274		449
275	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		455
281	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
282		457
283	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
284		459
285	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
288		464
289	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
292	fast or be very important.	468	fast or be very important.
…		…
295		471
296	sub sync_job(&) {	472	sub sync_job(&) {
297	my ($job) = @_;	473	my ($job) = @_;
298		474
299	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
300	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
302		480
303	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	482
305	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
306		484
307	my $busy = 1;	485	my $busy = 1;
308	my @res;	486	my @res;
309		487
310	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	490	@res = eval { $job->() };
312	warn $@ if $@;	491	warn $@ if $@;
313	undef $busy;	492	undef $busy;
314	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
315		494
316	while ($busy) {	495	while ($busy) {
317	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
318	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
319		506
320	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
321	} else {	508	} else {
322	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
323		510
…		…
343	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
344		531
345	$coro	532	$coro
346	}	533	}
347		534
348	sub write_runtime {	535	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		536
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	Executes the given code block with the given arguments in a seperate
352	or return;	538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
353		541
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	542	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		543
358	aio_fsync $fh	544	sub fork_call(&@) {
359	and return;	545	my ($cb, @args) = @_;
360		546
361	close $fh	547	# we seemingly have to make a local copy of the whole thing,
362	or return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
363		550
364	aio_rename "$runtime~", $runtime	551	my @res = Coro::Util::fork_eval {
365	and return;	552	reset_signals;
		553	&$cb
		554	}, @args;
366		555
		556	wantarray ? @res : $res[-1]
		557	}
		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
		618
		619	our $DB;
		620
		621	sub db_init {
		622	cf::sync_job {
		623	$DB ||= db_table "db";
		624	};
		625	}
		626
		627	sub db_get($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
367	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
		711	}
		712
		713	=item cf::datalog type => key => value, ...
		714
		715	Log a datalog packet of the given type with the given key-value pairs.
		716
		717	=cut
		718
		719	sub datalog($@) {
		720	my ($type, %kv) = @_;
		721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	722	}
369		723
370	=back	724	=back
371		725
372	=cut	726	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
381		735
382	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	738	Deliantra).
385		739
386	=over 4	740	=over 4
387		741
388	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
389		743
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	857	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	858	our @CB_MAP = ();
505		859
506	my %attachment;	860	my %attachment;
507		861
		862	sub cf::attachable::thawer_merge {
		863	# simply override everything except _meta
		864	local $_[0]{_meta};
		865	%{$_[0]} = %{$_[1]};
		866	}
		867
508	sub _attach_cb($$$$) {	868	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	869	my ($registry, $event, $prio, $cb) = @_;
510		870
511	use sort 'stable';	871	use sort 'stable';
512		872
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
547		907
548	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		912
553	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	914	my $pkg = shift @arg;
555		915
556	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
586	}	946	}
587		947
588	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
589	} else {	949	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	951	}
592		952
593	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
594	}	954	}
595		955
…		…
597	if (ref $_[0]) {	957	if (ref $_[0]) {
598	_object_attach @_;	958	_object_attach @_;
599	} else {	959	} else {
600	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
601	}	961	}
		962	_recalc_want;
602	};	963	};
603		964
604	# all those should be optimised	965	# all those should be optimised
605	sub cf::attachable::detach {	966	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
610	reattach ($obj);	971	reattach ($obj);
611	} else {	972	} else {
612	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
613	}	974	}
		975	_recalc_want;
614	};	976	};
615		977
616	sub cf::attachable::attached {	978	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
618		980
…		…
633	";	995	";
634	die if $@;	996	die if $@;
635	}	997	}
636		998
637	our $override;	999	our $override;
638	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
639		1001
640	sub override {	1002	sub override {
641	$override = 1;	1003	$override = 1;
642	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
643	}	1005	}
644		1006
645	sub do_invoke {	1007	sub do_invoke {
646	my $event = shift;	1008	my $event = shift;
647	my $callbacks = shift;	1009	my $callbacks = shift;
648		1010
649	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
650		1012
651	local $override;	1013	local $override;
652		1014
653	for (@$callbacks) {	1015	for (@$callbacks) {
654	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
663	}	1025	}
664		1026
665	0	1027	0
666	}	1028	}
667		1029
668	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
669		1031
670	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
671		1033
672	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
673		1035
674	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
675	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
676	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		1039
678	=back	1040	=back
679		1041
680	=cut	1042	=cut
681		1043
682	#############################################################################	1044	#############################################################################
683	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
684		1088
685	sub reattach {	1089	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	1091	my ($obj) = @_;
		1092
		1093	# no longer needed after getting rid of delete_package?
		1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
688		1095
689	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
690		1097
691	@$registry = ();	1098	@$registry = ();
692		1099
…		…
707	cf::attachable->attach (	1114	cf::attachable->attach (
708	prio => -1000000,	1115	prio => -1000000,
709	on_instantiate => sub {	1116	on_instantiate => sub {
710	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
711		1118
712	$data = from_json $data;	1119	$data = decode_json $data;
713		1120
714	for (@$data) {	1121	for (@$data) {
715	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
716		1123
717	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
733	sub object_freezer_save {	1140	sub object_freezer_save {
734	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
735		1142
736	sync_job {	1143	sync_job {
737	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
738	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
739	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
740		1148
741	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
742	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
743	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
744	aio_fsync $fh;	1152	aio_fsync $fh if $cf::USE_FSYNC;
745	close $fh;	1153	aio_close $fh;
746		1154
747	if (@$objs) {	1155	if (@$objs) {
748	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
749	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
750	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
751	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
752	aio_fsync $fh;	1160	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1161	aio_close $fh;
754	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
755	}	1163	}
756	} else {	1164	} else {
757	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
758	}	1166	}
…		…
763	}	1171	}
764	} else {	1172	} else {
765	aio_unlink $filename;	1173	aio_unlink $filename;
766	aio_unlink "$filename.pst";	1174	aio_unlink "$filename.pst";
767	}	1175	}
768	}	1176	};
769	}	1177	}
770		1178
771	sub object_freezer_as_string {	1179	sub object_freezer_as_string {
772	my ($rdata, $objs) = @_;	1180	my ($rdata, $objs) = @_;
773		1181
…		…
785	or return;	1193	or return;
786		1194
787	unless (aio_stat "$filename.pst") {	1195	unless (aio_stat "$filename.pst") {
788	(aio_load "$filename.pst", $av) >= 0	1196	(aio_load "$filename.pst", $av) >= 0
789	or return;	1197	or return;
		1198
790	$av = eval { (Storable::thaw $av)->{objs} };	1199	my $st = eval { Coro::Storable::thaw $av };
		1200	$av = $st->{objs};
791	}	1201	}
792		1202
		1203	utf8::decode (my $decname = $filename);
793	warn sprintf "loading %s (%d)\n",	1204	warn sprintf "loading %s (%d,%d)\n",
794	$filename, length $data, scalar @{$av || []};#d#	1205	$decname, length $data, scalar @{$av || []};
		1206
795	return ($data, $av);	1207	($data, $av)
796	}	1208	}
		1209
		1210	=head2 COMMAND CALLBACKS
		1211
		1212	=over 4
		1213
		1214	=cut
797		1215
798	#############################################################################	1216	#############################################################################
799	# command handling &c	1217	# command handling &c
800		1218
801	=item cf::register_command $name => \&callback($ob,$args);	1219	=item cf::register_command $name => \&callback($ob,$args);
…		…
814	push @{ $COMMAND{$name} }, [$caller, $cb];	1232	push @{ $COMMAND{$name} }, [$caller, $cb];
815	}	1233	}
816		1234
817	=item cf::register_extcmd $name => \&callback($pl,$packet);	1235	=item cf::register_extcmd $name => \&callback($pl,$packet);
818		1236
819	Register a callbackf ro execution when the client sends an extcmd packet.	1237	Register a callback for execution when the client sends an (synchronous)
		1238	extcmd packet. Ext commands will be processed in the order they are
		1239	received by the server, like other user commands. The first argument is
		1240	the logged-in player. Ext commands can only be processed after a player
		1241	has logged in successfully.
820		1242
821	If the callback returns something, it is sent back as if reply was being	1243	If the callback returns something, it is sent back as if reply was being
822	called.	1244	called.
823		1245
		1246	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1247
		1248	Register a callback for execution when the client sends an (asynchronous)
		1249	exticmd packet. Exti commands are processed by the server as soon as they
		1250	are received, i.e. out of order w.r.t. other commands. The first argument
		1251	is a client socket. Exti commands can be received anytime, even before
		1252	log-in.
		1253
		1254	If the callback returns something, it is sent back as if reply was being
		1255	called.
		1256
824	=cut	1257	=cut
825		1258
826	sub register_extcmd {	1259	sub register_extcmd {
827	my ($name, $cb) = @_;	1260	my ($name, $cb) = @_;
828		1261
829	$EXTCMD{$name} = $cb;	1262	$EXTCMD{$name} = $cb;
		1263	}
		1264
		1265	sub register_exticmd {
		1266	my ($name, $cb) = @_;
		1267
		1268	$EXTICMD{$name} = $cb;
830	}	1269	}
831		1270
832	cf::player->attach (	1271	cf::player->attach (
833	on_command => sub {	1272	on_command => sub {
834	my ($pl, $name, $params) = @_;	1273	my ($pl, $name, $params) = @_;
…		…
843	cf::override;	1282	cf::override;
844	},	1283	},
845	on_extcmd => sub {	1284	on_extcmd => sub {
846	my ($pl, $buf) = @_;	1285	my ($pl, $buf) = @_;
847		1286
848	my $msg = eval { from_json $buf };	1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
849		1288
850	if (ref $msg) {	1289	if (ref $msg) {
		1290	my ($type, $reply, @payload) =
		1291	"ARRAY" eq ref $msg
		1292	? @$msg
		1293	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1294
		1295	my @reply;
		1296
851	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1297	if (my $cb = $EXTCMD{$type}) {
852	if (my %reply = $cb->($pl, $msg)) {	1298	@reply = $cb->($pl, @payload);
853	$pl->ext_reply ($msg->{msgid}, %reply);
854	}
855	}	1299	}
		1300
		1301	$pl->ext_reply ($reply, @reply)
		1302	if $reply;
		1303
856	} else {	1304	} else {
857	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
858	}	1306	}
859		1307
860	cf::override;	1308	cf::override;
861	},	1309	},
862	);	1310	);
863		1311
864	sub load_extension {
865	my ($path) = @_;
866
867	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
868	my $base = $1;
869	my $pkg = $1;
870	$pkg =~ s/[^[:word:]]/_/g;
871	$pkg = "ext::$pkg";
872
873	warn "... loading '$path' into '$pkg'\n";
874
875	open my $fh, "<:utf8", $path
876	or die "$path: $!";
877
878	my $source =
879	"package $pkg; use strict; use utf8;\n"
880	. "#line 1 \"$path\"\n{\n"
881	. (do { local $/; <$fh> })
882	. "\n};\n1";
883
884	unless (eval $source) {
885	my $msg = $@ ? "$path: $@\n"
886	: "extension disabled.\n";
887	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
888	warn $@;
889	warn "mandatory extension failed to load, exiting.\n";
890	exit 1;
891	}
892	die $@;
893	}
894
895	push @EXTS, $pkg;
896	}
897
898	sub load_extensions {	1312	sub load_extensions {
		1313	cf::sync_job {
		1314	my %todo;
		1315
899	for my $ext (<$LIBDIR/*.ext>) {	1316	for my $path (<$LIBDIR/*.ext>) {
900	next unless -r $ext;	1317	next unless -r $path;
901	eval {	1318
902	load_extension $ext;	1319	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1320	my $base = $1;
		1321	my $pkg = $1;
		1322	$pkg =~ s/[^[:word:]]/_/g;
		1323	$pkg = "ext::$pkg";
		1324
		1325	open my $fh, "<:utf8", $path
		1326	or die "$path: $!";
		1327
		1328	my $source = do { local $/; <$fh> };
		1329
		1330	my %ext = (
		1331	path => $path,
		1332	base => $base,
		1333	pkg => $pkg,
		1334	);
		1335
		1336	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1337	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1338
		1339	$ext{source} =
		1340	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1341	. "#line 1 \"$path\"\n{\n"
		1342	. $source
		1343	. "\n};\n1";
		1344
		1345	$todo{$base} = \%ext;
		1346	}
		1347
		1348	my %done;
		1349	while (%todo) {
		1350	my $progress;
		1351
		1352	while (my ($k, $v) = each %todo) {
		1353	for (split /,\s*/, $v->{meta}{depends}) {
		1354	goto skip
		1355	unless exists $done{$_};
		1356	}
		1357
		1358	warn "... loading '$k' into '$v->{pkg}'\n";
		1359
		1360	unless (eval $v->{source}) {
		1361	my $msg = $@ ? "$v->{path}: $@\n"
		1362	: "$v->{base}: extension inactive.\n";
		1363
		1364	if (exists $v->{meta}{mandatory}) {
		1365	warn $msg;
		1366	cf::cleanup "mandatory extension failed to load, exiting.";
		1367	}
		1368
		1369	warn $msg;
		1370	}
		1371
		1372	$done{$k} = delete $todo{$k};
		1373	push @EXTS, $v->{pkg};
		1374	$progress = 1;
903	1	1375	}
904	} or warn "$ext not loaded: $@";	1376
		1377	skip:
		1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1379	unless $progress;
		1380	}
905	}	1381	};
906	}	1382	}
907		1383
908	#############################################################################	1384	#############################################################################
909		1385
		1386	=back
		1387
910	=head2 CORE EXTENSIONS	1388	=head2 CORE EXTENSIONS
911		1389
912	Functions and methods that extend core crossfire objects.	1390	Functions and methods that extend core crossfire objects.
913		1391
914	=cut	1392	=cut
…		…
919		1397
920	=head3 cf::player	1398	=head3 cf::player
921		1399
922	=over 4	1400	=over 4
923		1401
		1402	=item cf::player::num_playing
		1403
		1404	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1405
		1406	=cut
		1407
		1408	sub num_playing {
		1409	scalar grep
		1410	$_->ob->map
		1411	&& !$_->hidden
		1412	&& !$_->ob->flag (cf::FLAG_WIZ),
		1413	cf::player::list
		1414	}
		1415
924	=item cf::player::find $login	1416	=item cf::player::find $login
925		1417
926	Returns the given player object, loading it if necessary (might block).	1418	Returns the given player object, loading it if necessary (might block).
927		1419
928	=cut	1420	=cut
929		1421
930	sub playerdir($) {	1422	sub playerdir($) {
931	cf::localdir	1423	"$PLAYERDIR/"
932	. "/"
933	. cf::playerdir
934	. "/"
935	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1424	. (ref $_[0] ? $_[0]->ob->name : $_[0])
936	}	1425	}
937		1426
938	sub path($) {	1427	sub path($) {
939	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1428	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
940		1429
941	(playerdir $login) . "/$login.pl"	1430	(playerdir $login) . "/playerdata"
942	}	1431	}
943		1432
944	sub find_active($) {	1433	sub find_active($) {
945	$cf::PLAYER{$_[0]}	1434	$cf::PLAYER{$_[0]}
946	and $cf::PLAYER{$_[0]}->active	1435	and $cf::PLAYER{$_[0]}->active
…		…
949		1438
950	sub exists($) {	1439	sub exists($) {
951	my ($login) = @_;	1440	my ($login) = @_;
952		1441
953	$cf::PLAYER{$login}	1442	$cf::PLAYER{$login}
954	or cf::sync_job { !aio_stat $login }	1443	or cf::sync_job { !aio_stat path $login }
955	}	1444	}
956		1445
957	sub find($) {	1446	sub find($) {
958	return $cf::PLAYER{$_[0]} || do {	1447	return $cf::PLAYER{$_[0]} || do {
959	my $login = $_[0];	1448	my $login = $_[0];
960		1449
961	my $guard = cf::lock_acquire "user_find:$login";	1450	my $guard = cf::lock_acquire "user_find:$login";
962		1451
963	$cf::PLAYER{$_[0]} || do {	1452	$cf::PLAYER{$_[0]} || do {
964	my $pl = load_pl path $login	1453	# rename old playerfiles to new ones
		1454	#TODO: remove when no longer required
		1455	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1456	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1457	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1458	aio_unlink +(playerdir $login) . "/$login.pl";
		1459
		1460	my $f = new_from_file cf::object::thawer path $login
965	or return;	1461	or return;
		1462
		1463	my $pl = cf::player::load_pl $f
		1464	or return;
		1465
		1466	local $cf::PLAYER_LOADING{$login} = $pl;
		1467	$f->resolve_delayed_derefs;
966	$cf::PLAYER{$login} = $pl	1468	$cf::PLAYER{$login} = $pl
967	}	1469	}
968	}	1470	}
969	}	1471	}
970		1472
…		…
979	return if $pl->{deny_save};	1481	return if $pl->{deny_save};
980		1482
981	aio_mkdir playerdir $pl, 0770;	1483	aio_mkdir playerdir $pl, 0770;
982	$pl->{last_save} = $cf::RUNTIME;	1484	$pl->{last_save} = $cf::RUNTIME;
983		1485
		1486	cf::get_slot 0.01;
		1487
984	$pl->save_pl ($path);	1488	$pl->save_pl ($path);
985	Coro::cede;	1489	cf::cede_to_tick;
986	}	1490	}
987		1491
988	sub new($) {	1492	sub new($) {
989	my ($login) = @_;	1493	my ($login) = @_;
990		1494
…		…
996	$cf::PLAYER{$login} = $self;	1500	$cf::PLAYER{$login} = $self;
997		1501
998	$self	1502	$self
999	}	1503	}
1000		1504
		1505	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1506
		1507	=cut
		1508
		1509	sub send_msg {
		1510	my $ns = shift->ns
		1511	or return;
		1512	$ns->send_msg (@_);
		1513	}
		1514
1001	=item $pl->quit_character	1515	=item $pl->quit_character
1002		1516
1003	Nukes the player without looking back. If logged in, the connection will	1517	Nukes the player without looking back. If logged in, the connection will
1004	be destroyed. May block for a long time.	1518	be destroyed. May block for a long time.
1005		1519
1006	=cut	1520	=cut
1007		1521
1008	sub quit_character {	1522	sub quit_character {
1009	my ($pl) = @_;	1523	my ($pl) = @_;
1010		1524
		1525	my $name = $pl->ob->name;
		1526
1011	$pl->{deny_save} = 1;	1527	$pl->{deny_save} = 1;
1012	$pl->password ("*"); # this should lock out the player until we nuked the dir	1528	$pl->password ("*"); # this should lock out the player until we nuked the dir
1013		1529
1014	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1015	$pl->deactivate;	1531	$pl->deactivate;
		1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1533	$pl->ob->check_score;
1016	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1017	$pl->ns->destroy if $pl->ns;	1535	$pl->ns->destroy if $pl->ns;
1018		1536
1019	my $path = playerdir $pl;	1537	my $path = playerdir $pl;
1020	my $temp = "$path~$cf::RUNTIME~deleting~";	1538	my $temp = "$path~$cf::RUNTIME~deleting~";
1021	aio_rename $path, $temp;	1539	aio_rename $path, $temp;
1022	delete $cf::PLAYER{$pl->ob->name};	1540	delete $cf::PLAYER{$pl->ob->name};
1023	$pl->destroy;	1541	$pl->destroy;
		1542
		1543	my $prefix = qr<^~\Q$name\E/>;
		1544
		1545	# nuke player maps
		1546	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1547
1024	IO::AIO::aio_rmtree $temp;	1548	IO::AIO::aio_rmtree $temp;
		1549	}
		1550
		1551	=item $pl->kick
		1552
		1553	Kicks a player out of the game. This destroys the connection.
		1554
		1555	=cut
		1556
		1557	sub kick {
		1558	my ($pl, $kicker) = @_;
		1559
		1560	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1561	$pl->killer ("kicked");
		1562	$pl->ns->destroy;
1025	}	1563	}
1026		1564
1027	=item cf::player::list_logins	1565	=item cf::player::list_logins
1028		1566
1029	Returns am arrayref of all valid playernames in the system, can take a	1567	Returns am arrayref of all valid playernames in the system, can take a
1030	while and may block, so not sync_job-capable, ever.	1568	while and may block, so not sync_job-capable, ever.
1031		1569
1032	=cut	1570	=cut
1033		1571
1034	sub list_logins {	1572	sub list_logins {
1035	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1573	my $dirs = aio_readdir $PLAYERDIR
1036	or return [];	1574	or return [];
1037		1575
1038	my @logins;	1576	my @logins;
1039		1577
1040	for my $login (@$dirs) {	1578	for my $login (@$dirs) {
		1579	my $path = path $login;
		1580
		1581	# a .pst is a dead give-away for a valid player
		1582	# if no pst file found, open and chekc for blocked users
		1583	if (aio_stat "$path.pst") {
1041	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1584	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1042	aio_read $fh, 0, 512, my $buf, 0 or next;	1585	aio_read $fh, 0, 512, my $buf, 0 or next;
1043	$buf !~ /^password -------------$/m or next; # official not-valid tag	1586	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1587	}
1044		1588
1045	utf8::decode $login;	1589	utf8::decode $login;
1046	push @logins, $login;	1590	push @logins, $login;
1047	}	1591	}
1048		1592
…		…
1056		1600
1057	=cut	1601	=cut
1058		1602
1059	sub maps($) {	1603	sub maps($) {
1060	my ($pl) = @_;	1604	my ($pl) = @_;
		1605
		1606	$pl = ref $pl ? $pl->ob->name : $pl;
1061		1607
1062	my $files = aio_readdir playerdir $pl	1608	my $files = aio_readdir playerdir $pl
1063	or return;	1609	or return;
1064		1610
1065	my @paths;	1611	my @paths;
…		…
1067	for (@$files) {	1613	for (@$files) {
1068	utf8::decode $_;	1614	utf8::decode $_;
1069	next if /\.(?:pl|pst)$/;	1615	next if /\.(?:pl|pst)$/;
1070	next unless /^$PATH_SEP/o;	1616	next unless /^$PATH_SEP/o;
1071		1617
1072	s/\.map$//;	1618	push @paths, cf::map::normalise "~$pl/$_";
1073	push @paths, "~" . $pl->ob->name . "/" . $_;
1074	}	1619	}
1075		1620
1076	\@paths	1621	\@paths
1077	}	1622	}
1078		1623
		1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1625
		1626	Expand crossfire pod fragments into protocol xml.
		1627
		1628	=cut
		1629
		1630	sub expand_cfpod {
		1631	my ($self, $pod) = @_;
		1632
		1633	my @nest = [qr<\G$>, undef, ""];
		1634	my $xml;
		1635
		1636	for ($pod) {
		1637	while () {
		1638	if (/\G( (?: [^BCEGHITUZ&>\n\ ]+ | [BCEGHITUZ](?!<) | \ (?!>) )+ )/xgcs) {
		1639	$xml .= $1;
		1640	} elsif (/\G\n(?=\S)/xgcs) {
		1641	$xml .= " ";
		1642	} elsif (/\G\n/xgcs) {
		1643	$xml .= "\n";
		1644	} elsif (/\G ([BCEGHITUZ]) (< (?: <+\ | (?!<) ) )/xgcs) {
		1645	my ($code, $delim) = ($1, scalar reverse $2);
		1646	$delim =~ y/</>/; # delim now contains the stop sequence
		1647	$delim = qr{\G\Q$delim};
		1648
		1649	my $cb;
		1650
		1651	if ($code eq "B") {
		1652	$cb = sub { "<b>$_[0]</b>" };
		1653	} elsif ($code eq "C") {
		1654	$cb = sub { "<tt>$_[0]</tt>" };
		1655	} elsif ($code eq "E") {
		1656	$cb = sub { warn "E<$_[0]>\n";"&$_[0];" };
		1657	} elsif ($code eq "G") {
		1658	$cb = sub {
		1659	my ($male, $female) = split /\|/, $_[0];
		1660	$self->gender ? $female : $male
		1661	};
		1662	} elsif ($code eq "H") {
		1663	$cb = sub {
		1664	(
		1665	"<fg name=\"lightblue\">[$_[0] (Use hintmode to suppress hints)]</fg>",
		1666	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1667	"",
		1668	)[$self->{hintmode}];
		1669	};
		1670	} elsif ($code eq "I") {
		1671	$cb = sub { "<i>$_[0]</i>" };
		1672	} elsif ($code eq "T") {
		1673	$cb = sub { "<big><b>$_[0]</b></big>" };
		1674	} elsif ($code eq "U") {
		1675	$cb = sub { "<u>$_[0]</u>" };
		1676	} elsif ($code eq "Z") {
		1677	$cb = sub { };
		1678	} else {
		1679	die "FATAL error in expand_cfpod";
		1680	}
		1681
		1682	push @nest, [$delim, $cb, $xml];
		1683	undef $xml;
		1684
		1685	} elsif ($_ =~ /$nest[-1][0]/gcs) {
		1686	my $nest = pop @nest;
		1687
		1688	if ($nest->[1]) {
		1689	$xml = $nest->[2] . $nest->[1]->($xml);
		1690	} else {
		1691	last;
		1692	}
		1693	} elsif (/\G</xgcs) {
		1694	$xml .= "&lt;";
		1695	} elsif (/\G&/xgcs) {
		1696	$xml .= "&amp;";
		1697	} elsif (/\G>/xgcs) {
		1698	$xml .= ">";
		1699	} else {
		1700	if ($pod =~ /\G(.+)/xgcs) {
		1701	warn "parse error (at $1)($nest[-1][0]) while expanding cfpod:\n$pod";
		1702	last;
		1703	} else {
		1704	warn "parse error (unclosed interior sequence at end of cfpod) while expanding cfpod:\n$pod";
		1705	return "<b>Sorry, the server encountered an internal error when formatting this message, please report this.</b>";
		1706	}
		1707	}
		1708	}
		1709	}
		1710
		1711	$xml
		1712	}
		1713
		1714	sub hintmode {
		1715	$_[0]{hintmode} = $_[1] if @_ > 1;
		1716	$_[0]{hintmode}
		1717	}
		1718
1079	=item $player->ext_reply ($msgid, $msgtype, %msg)	1719	=item $player->ext_reply ($msgid, @msg)
1080		1720
1081	Sends an ext reply to the player.	1721	Sends an ext reply to the player.
1082		1722
1083	=cut	1723	=cut
1084		1724
1085	sub ext_reply($$$%) {	1725	sub ext_reply($$@) {
1086	my ($self, $id, %msg) = @_;	1726	my ($self, $id, @msg) = @_;
1087		1727
1088	$msg{msgid} = $id;	1728	$self->ns->ext_reply ($id, @msg)
1089
1090	$self->send ("ext " . cf::to_json \%msg);
1091	}	1729	}
1092		1730
1093	package cf;	1731	=item $player->ext_msg ($type, @msg)
		1732
		1733	Sends an ext event to the client.
		1734
		1735	=cut
		1736
		1737	sub ext_msg($$@) {
		1738	my ($self, $type, @msg) = @_;
		1739
		1740	$self->ns->ext_msg ($type, @msg);
		1741	}
		1742
		1743	=head3 cf::region
		1744
		1745	=over 4
		1746
		1747	=cut
		1748
		1749	package cf::region;
		1750
		1751	=item cf::region::find_by_path $path
		1752
		1753	Tries to decuce the likely region for a map knowing only its path.
		1754
		1755	=cut
		1756
		1757	sub find_by_path($) {
		1758	my ($path) = @_;
		1759
		1760	my ($match, $specificity);
		1761
		1762	for my $region (list) {
		1763	if ($region->{match} && $path =~ $region->{match}) {
		1764	($match, $specificity) = ($region, $region->specificity)
		1765	if $region->specificity > $specificity;
		1766	}
		1767	}
		1768
		1769	$match
		1770	}
1094		1771
1095	=back	1772	=back
1096
1097		1773
1098	=head3 cf::map	1774	=head3 cf::map
1099		1775
1100	=over 4	1776	=over 4
1101		1777
…		…
1105		1781
1106	use Fcntl;	1782	use Fcntl;
1107	use Coro::AIO;	1783	use Coro::AIO;
1108		1784
1109	use overload	1785	use overload
1110	'""' => \&as_string;	1786	'""' => \&as_string,
		1787	fallback => 1;
1111		1788
1112	our $MAX_RESET = 3600;	1789	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1790	our $DEFAULT_RESET = 3000;
1114		1791
1115	sub generate_random_map {	1792	sub generate_random_map {
1116	my ($self, $rmp) = @_;	1793	my ($self, $rmp) = @_;
		1794
		1795	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1117		1796
1118	# mit "rum" bekleckern, nicht	1797	# mit "rum" bekleckern, nicht
1119	$self->_create_random_map (	1798	$self->_create_random_map (
1120	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1799	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1121	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1800	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
…		…
1129	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1808	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1130	(cf::region::find $rmp->{region}), $rmp->{custom}	1809	(cf::region::find $rmp->{region}), $rmp->{custom}
1131	)	1810	)
1132	}	1811	}
1133		1812
		1813	=item cf::map->register ($regex, $prio)
		1814
		1815	Register a handler for the map path matching the given regex at the
		1816	givne priority (higher is better, built-in handlers have priority 0, the
		1817	default).
		1818
		1819	=cut
		1820
1134	sub register {	1821	sub register {
1135	my (undef, $regex) = @_;	1822	my (undef, $regex, $prio) = @_;
1136	my $pkg = caller;	1823	my $pkg = caller;
1137		1824
1138	no strict;	1825	no strict;
1139	push @{"$pkg\::ISA"}, __PACKAGE__;	1826	push @{"$pkg\::ISA"}, __PACKAGE__;
1140		1827
1141	$EXT_MAP{$pkg} = qr<$regex>;	1828	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1142	}	1829	}
1143		1830
1144	# also paths starting with '/'	1831	# also paths starting with '/'
1145	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1832	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1833
		1834	sub thawer_merge {
		1835	my ($self, $merge) = @_;
		1836
		1837	# we have to keep some variables in memory intact
		1838	local $self->{path};
		1839	local $self->{load_path};
		1840
		1841	$self->SUPER::thawer_merge ($merge);
		1842	}
1146		1843
1147	sub normalise {	1844	sub normalise {
1148	my ($path, $base) = @_;	1845	my ($path, $base) = @_;
		1846
		1847	$path = "$path"; # make sure its a string
		1848
		1849	$path =~ s/\.map$//;
1149		1850
1150	# map plan:	1851	# map plan:
1151	#	1852	#
1152	# /! non-realised random map exit (special hack!)	1853	# /! non-realised random map exit (special hack!)
1153	# {... are special paths that are not being touched	1854	# {... are special paths that are not being touched
…		…
1181		1882
1182	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1883	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1183		1884
1184	$path = normalise $path, $base;	1885	$path = normalise $path, $base;
1185		1886
1186	for my $pkg (keys %EXT_MAP) {	1887	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1187	if ($path =~ $EXT_MAP{$pkg}) {	1888	if ($path =~ $EXT_MAP{$pkg}[1]) {
1188	my $self = bless cf::map::new, $pkg;	1889	my $self = bless cf::map::new, $pkg;
1189	$self->{path} = $path; $self->path ($path);	1890	$self->{path} = $path; $self->path ($path);
1190	$self->init; # pass $1 etc.	1891	$self->init; # pass $1 etc.
1191	return $self;	1892	return $self;
1192	}	1893	}
1193	}	1894	}
1194		1895
1195	Carp::carp "unable to resolve path '$path'.";	1896	Carp::cluck "unable to resolve path '$path' (base '$base').";
1196	()	1897	()
1197	}	1898	}
1198		1899
1199	sub init {	1900	sub init {
1200	my ($self) = @_;	1901	my ($self) = @_;
…		…
1215		1916
1216	# the original (read-only) location	1917	# the original (read-only) location
1217	sub load_path {	1918	sub load_path {
1218	my ($self) = @_;	1919	my ($self) = @_;
1219		1920
1220	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1921	"$MAPDIR/$self->{path}.map"
1221	}	1922	}
1222		1923
1223	# the temporary/swap location	1924	# the temporary/swap location
1224	sub save_path {	1925	sub save_path {
1225	my ($self) = @_;	1926	my ($self) = @_;
1226		1927
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1228	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1929	"$TMPDIR/$path.map"
1229	}	1930	}
1230		1931
1231	# the unique path, undef == no special unique path	1932	# the unique path, undef == no special unique path
1232	sub uniq_path {	1933	sub uniq_path {
1233	my ($self) = @_;	1934	my ($self) = @_;
1234		1935
1235	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1936	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1236	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1937	"$UNIQUEDIR/$path"
1237	}	1938	}
1238		1939
1239	# and all this just because we cannot iterate over	1940	# and all this just because we cannot iterate over
1240	# all maps in C++...	1941	# all maps in C++...
1241	sub change_all_map_light {	1942	sub change_all_map_light {
…		…
1243		1944
1244	$_->change_map_light ($change)	1945	$_->change_map_light ($change)
1245	for grep $_->outdoor, values %cf::MAP;	1946	for grep $_->outdoor, values %cf::MAP;
1246	}	1947	}
1247		1948
		1949	sub decay_objects {
		1950	my ($self) = @_;
		1951
		1952	return if $self->{deny_reset};
		1953
		1954	$self->do_decay_objects;
		1955	}
		1956
1248	sub unlink_save {	1957	sub unlink_save {
1249	my ($self) = @_;	1958	my ($self) = @_;
1250		1959
1251	utf8::encode (my $save = $self->save_path);	1960	utf8::encode (my $save = $self->save_path);
1252	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1961	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1253	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1962	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1254	}	1963	}
1255		1964
1256	sub load_header_from($) {	1965	sub load_header_from($) {
1257	my ($self, $path) = @_;	1966	my ($self, $path) = @_;
1258		1967
1259	utf8::encode $path;	1968	utf8::encode $path;
1260	aio_open $path, O_RDONLY, 0	1969	my $f = new_from_file cf::object::thawer $path
1261	or return;	1970	or return;
1262		1971
1263	$self->_load_header ($path)	1972	$self->_load_header ($f)
1264	or return;	1973	or return;
1265		1974
		1975	local $MAP_LOADING{$self->{path}} = $self;
		1976	$f->resolve_delayed_derefs;
		1977
1266	$self->{load_path} = $path;	1978	$self->{load_path} = $path;
1267		1979
1268	1	1980	1
1269	}	1981	}
1270		1982
1271	sub load_orig {	1983	sub load_header_orig {
1272	my ($self) = @_;	1984	my ($self) = @_;
1273		1985
1274	$self->load_header_from ($self->load_path)	1986	$self->load_header_from ($self->load_path)
1275	}	1987	}
1276		1988
1277	sub load_temp {	1989	sub load_header_temp {
1278	my ($self) = @_;	1990	my ($self) = @_;
1279		1991
1280	$self->load_header_from ($self->save_path)	1992	$self->load_header_from ($self->save_path)
		1993	}
		1994
		1995	sub prepare_temp {
		1996	my ($self) = @_;
		1997
		1998	$self->last_access ((delete $self->{last_access})
		1999	|| $cf::RUNTIME); #d#
		2000	# safety
		2001	$self->{instantiate_time} = $cf::RUNTIME
		2002	if $self->{instantiate_time} > $cf::RUNTIME;
		2003	}
		2004
		2005	sub prepare_orig {
		2006	my ($self) = @_;
		2007
		2008	$self->{load_original} = 1;
		2009	$self->{instantiate_time} = $cf::RUNTIME;
		2010	$self->last_access ($cf::RUNTIME);
		2011	$self->instantiate;
1281	}	2012	}
1282		2013
1283	sub load_header {	2014	sub load_header {
1284	my ($self) = @_;	2015	my ($self) = @_;
1285		2016
1286	if ($self->load_temp) {	2017	if ($self->load_header_temp) {
1287	$self->last_access ((delete $self->{last_access})	2018	$self->prepare_temp;
1288	|| $cf::RUNTIME); #d#
1289	# safety
1290	$self->{instantiate_time} = $cf::RUNTIME
1291	if $self->{instantiate_time} > $cf::RUNTIME;
1292	} else {	2019	} else {
1293	$self->load_orig	2020	$self->load_header_orig
1294	or return;	2021	or return;
1295		2022	$self->prepare_orig;
1296	$self->{load_original} = 1;
1297	$self->{instantiate_time} = $cf::RUNTIME;
1298	$self->last_access ($cf::RUNTIME);
1299	$self->instantiate;
1300	}	2023	}
		2024
		2025	$self->{deny_reset} = 1
		2026	if $self->no_reset;
		2027
		2028	$self->default_region (cf::region::find_by_path $self->{path})
		2029	unless $self->default_region;
1301		2030
1302	1	2031	1
1303	}	2032	}
1304		2033
1305	sub find;	2034	sub find;
1306	sub find {	2035	sub find {
1307	my ($path, $origin) = @_;	2036	my ($path, $origin) = @_;
1308		2037
1309	$path = normalise $path, $origin && $origin->path;	2038	$path = normalise $path, $origin && $origin->path;
1310		2039
		2040	cf::lock_wait "map_data:$path";#d#remove
1311	cf::lock_wait "map_find:$path";	2041	cf::lock_wait "map_find:$path";
1312		2042
1313	$cf::MAP{$path} || do {	2043	$cf::MAP{$path} || do {
		2044	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1314	my $guard = cf::lock_acquire "map_find:$path";	2045	my $guard2 = cf::lock_acquire "map_find:$path";
		2046
1315	my $map = new_from_path cf::map $path	2047	my $map = new_from_path cf::map $path
1316	or return;	2048	or return;
1317		2049
1318	$map->{last_save} = $cf::RUNTIME;	2050	$map->{last_save} = $cf::RUNTIME;
1319		2051
1320	$map->load_header	2052	$map->load_header
1321	or return;	2053	or return;
1322		2054
1323	if ($map->should_reset) {	2055	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2056	# doing this can freeze the server in a sync job, obviously
		2057	#$cf::WAIT_FOR_TICK->wait;
		2058	undef $guard2;
		2059	undef $guard1;
1324	$map->reset;	2060	$map->reset;
1325	undef $guard;
1326	$map = find $path	2061	return find $path;
1327	or return;
1328	}	2062	}
1329		2063
1330	$cf::MAP{$path} = $map	2064	$cf::MAP{$path} = $map
1331	}	2065	}
1332	}	2066	}
		2067
		2068	sub pre_load { }
		2069	sub post_load { }
1333		2070
1334	sub load {	2071	sub load {
1335	my ($self) = @_;	2072	my ($self) = @_;
1336		2073
		2074	local $self->{deny_reset} = 1; # loading can take a long time
		2075
1337	my $path = $self->{path};	2076	my $path = $self->{path};
		2077
		2078	{
1338	my $guard = cf::lock_acquire "map_load:$path";	2079	my $guard = cf::lock_acquire "map_data:$path";
1339		2080
		2081	return unless $self->valid;
1340	return if $self->in_memory != cf::MAP_SWAPPED;	2082	return unless $self->in_memory == cf::MAP_SWAPPED;
1341		2083
1342	$self->in_memory (cf::MAP_LOADING);	2084	$self->in_memory (cf::MAP_LOADING);
1343		2085
1344	$self->alloc;	2086	$self->alloc;
1345	$self->_load_objects ($self->{load_path}, 1)	2087
		2088	$self->pre_load;
		2089	cf::cede_to_tick;
		2090
		2091	my $f = new_from_file cf::object::thawer $self->{load_path};
		2092	$f->skip_block;
		2093	$self->_load_objects ($f)
1346	or return;	2094	or return;
1347		2095
1348	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2096	$self->post_load_original
1349	if delete $self->{load_original};	2097	if delete $self->{load_original};
1350		2098
1351	if (my $uniq = $self->uniq_path) {	2099	if (my $uniq = $self->uniq_path) {
1352	utf8::encode $uniq;	2100	utf8::encode $uniq;
1353	if (aio_open $uniq, O_RDONLY, 0) {	2101	unless (aio_stat $uniq) {
		2102	if (my $f = new_from_file cf::object::thawer $uniq) {
1354	$self->clear_unique_items;	2103	$self->clear_unique_items;
1355	$self->_load_objects ($uniq, 0);	2104	$self->_load_objects ($f);
		2105	$f->resolve_delayed_derefs;
		2106	}
1356	}	2107	}
1357	}	2108	}
1358		2109
1359	Coro::cede;	2110	$f->resolve_delayed_derefs;
1360		2111
		2112	cf::cede_to_tick;
1361	# now do the right thing for maps	2113	# now do the right thing for maps
1362	$self->link_multipart_objects;	2114	$self->link_multipart_objects;
1363
1364	unless ($self->{deny_activate}) {
1365	$self->decay_objects;
1366	$self->fix_auto_apply;
1367	$self->update_buttons;
1368	Coro::cede;
1369	$self->set_darkness_map;
1370	$self->difficulty ($self->estimate_difficulty)	2115	$self->difficulty ($self->estimate_difficulty)
1371	unless $self->difficulty;	2116	unless $self->difficulty;
1372	Coro::cede;	2117	cf::cede_to_tick;
		2118
		2119	unless ($self->{deny_activate}) {
		2120	$self->decay_objects;
		2121	$self->fix_auto_apply;
		2122	$self->update_buttons;
		2123	cf::cede_to_tick;
		2124	$self->set_darkness_map;
		2125	cf::cede_to_tick;
1373	$self->activate;	2126	$self->activate;
1374	}	2127	}
1375		2128
		2129	$self->{last_save} = $cf::RUNTIME;
		2130	$self->last_access ($cf::RUNTIME);
		2131
1376	$self->in_memory (cf::MAP_IN_MEMORY);	2132	$self->in_memory (cf::MAP_ACTIVE);
		2133	}
		2134
		2135	$self->post_load;
1377	}	2136	}
1378		2137
1379	sub customise_for {	2138	sub customise_for {
1380	my ($self, $ob) = @_;	2139	my ($self, $ob) = @_;
1381		2140
1382	return find "~" . $ob->name . "/" . $self->{path}	2141	return find "~" . $ob->name . "/" . $self->{path}
1383	if $self->per_player;	2142	if $self->per_player;
1384		2143
		2144	# return find "?party/" . $ob->name . "/" . $self->{path}
		2145	# if $self->per_party;
		2146
1385	$self	2147	$self
1386	}	2148	}
1387		2149
1388	# find and load all maps in the 3x3 area around a map	2150	# find and load all maps in the 3x3 area around a map
1389	sub load_diag {	2151	sub load_neighbours {
1390	my ($map) = @_;	2152	my ($map) = @_;
1391		2153
1392	my @diag; # diagonal neighbours	2154	my @neigh; # diagonal neighbours
1393		2155
1394	for (0 .. 3) {	2156	for (0 .. 3) {
1395	my $neigh = $map->tile_path ($_)	2157	my $neigh = $map->tile_path ($_)
1396	or next;	2158	or next;
1397	$neigh = find $neigh, $map	2159	$neigh = find $neigh, $map
1398	or next;	2160	or next;
1399	$neigh->load;	2161	$neigh->load;
1400		2162
		2163	push @neigh,
1401	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2164	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1402	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2165	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1403	}	2166	}
1404		2167
1405	for (@diag) {	2168	for (grep defined $_->[0], @neigh) {
		2169	my ($path, $origin) = @$_;
1406	my $neigh = find @$_	2170	my $neigh = find $path, $origin
1407	or next;	2171	or next;
1408	$neigh->load;	2172	$neigh->load;
1409	}	2173	}
1410	}	2174	}
1411		2175
…		…
1416	}	2180	}
1417		2181
1418	sub do_load_sync {	2182	sub do_load_sync {
1419	my ($map) = @_;	2183	my ($map) = @_;
1420		2184
		2185	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2186	if $Coro::current == $Coro::main;
		2187
1421	cf::sync_job { $map->load };	2188	cf::sync_job { $map->load };
1422	}	2189	}
1423		2190
1424	our %MAP_PREFETCH;	2191	our %MAP_PREFETCH;
1425	our $MAP_PREFETCHER = Coro::async {	2192	our $MAP_PREFETCHER = undef;
1426	while () {
1427	for my $path (keys %MAP_PREFETCH) {
1428	my $map = find $path
1429	or next;
1430	$map->load;
1431
1432	delete $MAP_PREFETCH{$path};
1433	}
1434	Coro::schedule;
1435	}
1436	};
1437		2193
1438	sub find_async {	2194	sub find_async {
1439	my ($path, $origin) = @_;	2195	my ($path, $origin, $load) = @_;
1440		2196
1441	$path = normalise $path, $origin && $origin->{path};	2197	$path = normalise $path, $origin && $origin->{path};
1442		2198
1443	if (my $map = $cf::MAP{$path}) {	2199	if (my $map = $cf::MAP{$path}) {
1444	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2200	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2201	}
		2202
		2203	$MAP_PREFETCH{$path} |= $load;
		2204
		2205	$MAP_PREFETCHER ||= cf::async {
		2206	$Coro::current->{desc} = "map prefetcher";
		2207
		2208	while (%MAP_PREFETCH) {
		2209	while (my ($k, $v) = each %MAP_PREFETCH) {
		2210	if (my $map = find $k) {
		2211	$map->load if $v;
		2212	}
		2213
		2214	delete $MAP_PREFETCH{$k};
		2215	}
		2216	}
		2217	undef $MAP_PREFETCHER;
1445	}	2218	};
1446
1447	$MAP_PREFETCH{$path} = 0;
1448	$MAP_PREFETCHER->ready;	2219	$MAP_PREFETCHER->prio (6);
1449		2220
1450	()	2221	()
1451	}	2222	}
1452		2223
1453	sub save {	2224	sub save {
1454	my ($self) = @_;	2225	my ($self) = @_;
1455		2226
1456	my $lock = cf::lock_acquire "map_data:" . $self->path;	2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
1457		2228
1458	$self->{last_save} = $cf::RUNTIME;	2229	$self->{last_save} = $cf::RUNTIME;
1459		2230
1460	return unless $self->dirty;	2231	return unless $self->dirty;
1461		2232
…		…
1467	return if $self->{deny_save};	2238	return if $self->{deny_save};
1468		2239
1469	local $self->{last_access} = $self->last_access;#d#	2240	local $self->{last_access} = $self->last_access;#d#
1470		2241
1471	cf::async {	2242	cf::async {
		2243	$Coro::current->{desc} = "map player save";
1472	$_->contr->save for $self->players;	2244	$_->contr->save for $self->players;
1473	};	2245	};
		2246
		2247	cf::get_slot 0.02;
1474		2248
1475	if ($uniq) {	2249	if ($uniq) {
1476	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2250	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1477	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2251	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1478	} else {	2252	} else {
…		…
1484	my ($self) = @_;	2258	my ($self) = @_;
1485		2259
1486	# save first because save cedes	2260	# save first because save cedes
1487	$self->save;	2261	$self->save;
1488		2262
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2264
1491	return if $self->players;	2265	return if $self->players;
1492	return if $self->in_memory != cf::MAP_IN_MEMORY;	2266	return if $self->in_memory != cf::MAP_ACTIVE;
1493	return if $self->{deny_save};	2267	return if $self->{deny_save};
1494		2268
		2269	$self->in_memory (cf::MAP_SWAPPED);
		2270
		2271	$self->deactivate;
		2272	$_->clear_links_to ($self) for values %cf::MAP;
1495	$self->clear;	2273	$self->clear;
1496	$self->in_memory (cf::MAP_SWAPPED);
1497	}	2274	}
1498		2275
1499	sub reset_at {	2276	sub reset_at {
1500	my ($self) = @_;	2277	my ($self) = @_;
1501		2278
1502	# TODO: safety, remove and allow resettable per-player maps	2279	# TODO: safety, remove and allow resettable per-player maps
1503	return 1e99 if $self->isa ("ext::map_per_player");
1504	return 1e99 if $self->{deny_reset};	2280	return 1e99 if $self->{deny_reset};
1505		2281
1506	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2282	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1507	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2283	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1508		2284
…		…
1513	my ($self) = @_;	2289	my ($self) = @_;
1514		2290
1515	$self->reset_at <= $cf::RUNTIME	2291	$self->reset_at <= $cf::RUNTIME
1516	}	2292	}
1517		2293
1518	sub rename {
1519	my ($self, $new_path) = @_;
1520
1521	normalise $new_path;
1522
1523	$self->unlink_save;
1524
1525	delete $cf::MAP{$self->path};
1526	$self->{path} = $new_path; $self->path ($self->{path});
1527	$cf::MAP{$self->path} = $self;
1528
1529	$self->save;
1530	}
1531
1532	sub reset {	2294	sub reset {
1533	my ($self) = @_;	2295	my ($self) = @_;
1534		2296
1535	my $lock = cf::lock_acquire "map_data:$self->{path}";	2297	my $lock = cf::lock_acquire "map_data:$self->{path}";
1536		2298
1537	return if $self->players;	2299	return if $self->players;
1538	return if $self->isa ("ext::map_per_player");#d#
1539		2300
1540	warn "resetting map ", $self->path;#d#	2301	warn "resetting map ", $self->path;
		2302
		2303	$self->in_memory (cf::MAP_SWAPPED);
		2304
		2305	# need to save uniques path
		2306	unless ($self->{deny_save}) {
		2307	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2308
		2309	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2310	if $uniq;
		2311	}
1541		2312
1542	delete $cf::MAP{$self->path};	2313	delete $cf::MAP{$self->path};
1543		2314
1544	$self->in_memory (cf::MAP_SWAPPED);	2315	$self->deactivate;
		2316	$_->clear_links_to ($self) for values %cf::MAP;
1545	$self->clear;	2317	$self->clear;
1546
1547	$_->clear_links_to ($self) for values %cf::MAP;
1548		2318
1549	$self->unlink_save;	2319	$self->unlink_save;
1550	$self->destroy;	2320	$self->destroy;
1551	}	2321	}
1552		2322
1553	my $nuke_counter = "aaaa";	2323	my $nuke_counter = "aaaa";
1554		2324
1555	sub nuke {	2325	sub nuke {
1556	my ($self) = @_;	2326	my ($self) = @_;
1557		2327
		2328	{
		2329	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2330
		2331	delete $cf::MAP{$self->path};
		2332
		2333	$self->unlink_save;
		2334
		2335	bless $self, "cf::map";
		2336	delete $self->{deny_reset};
1558	$self->{deny_save} = 1;	2337	$self->{deny_save} = 1;
1559	$self->reset_timeout (1);	2338	$self->reset_timeout (1);
1560	$self->rename ("{nuke}/" . ($nuke_counter++));	2339	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2340
		2341	$cf::MAP{$self->path} = $self;
		2342	}
		2343
1561	$self->reset; # polite request, might not happen	2344	$self->reset; # polite request, might not happen
		2345	}
		2346
		2347	=item $maps = cf::map::tmp_maps
		2348
		2349	Returns an arrayref with all map paths of currently instantiated and saved
		2350	maps. May block.
		2351
		2352	=cut
		2353
		2354	sub tmp_maps() {
		2355	[
		2356	map {
		2357	utf8::decode $_;
		2358	/\.map$/
		2359	? normalise $_
		2360	: ()
		2361	} @{ aio_readdir $TMPDIR or [] }
		2362	]
		2363	}
		2364
		2365	=item $maps = cf::map::random_maps
		2366
		2367	Returns an arrayref with all map paths of currently instantiated and saved
		2368	random maps. May block.
		2369
		2370	=cut
		2371
		2372	sub random_maps() {
		2373	[
		2374	map {
		2375	utf8::decode $_;
		2376	/\.map$/
		2377	? normalise "?random/$_"
		2378	: ()
		2379	} @{ aio_readdir $RANDOMDIR or [] }
		2380	]
1562	}	2381	}
1563		2382
1564	=item cf::map::unique_maps	2383	=item cf::map::unique_maps
1565		2384
1566	Returns an arrayref of paths of all shared maps that have	2385	Returns an arrayref of paths of all shared maps that have
1567	instantiated unique items. May block.	2386	instantiated unique items. May block.
1568		2387
1569	=cut	2388	=cut
1570		2389
1571	sub unique_maps() {	2390	sub unique_maps() {
1572	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2391	[
1573	or return;	2392	map {
1574
1575	my @paths;
1576
1577	for (@$files) {
1578	utf8::decode $_;	2393	utf8::decode $_;
1579	next if /\.pst$/;	2394	s/\.map$//; # TODO future compatibility hack
1580	next unless /^$PATH_SEP/o;	2395	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1581		2396	? ()
1582	s/\.map$//;	2397	: normalise $_
1583	push @paths, $_;	2398	} @{ aio_readdir $UNIQUEDIR or [] }
1584	}	2399	]
1585
1586	\@paths
1587	}	2400	}
1588
1589	package cf;
1590		2401
1591	=back	2402	=back
1592		2403
1593	=head3 cf::object	2404	=head3 cf::object
1594		2405
…		…
1598		2409
1599	=over 4	2410	=over 4
1600		2411
1601	=item $ob->inv_recursive	2412	=item $ob->inv_recursive
1602		2413
1603	Returns the inventory of the object _and_ their inventories, recursively.	2414	Returns the inventory of the object I<and> their inventories, recursively,
		2415	but I<not> the object itself.
1604		2416
1605	=cut	2417	=cut
1606		2418
1607	sub inv_recursive_;	2419	sub inv_recursive_;
1608	sub inv_recursive_ {	2420	sub inv_recursive_ {
…		…
1611		2423
1612	sub inv_recursive {	2424	sub inv_recursive {
1613	inv_recursive_ inv $_[0]	2425	inv_recursive_ inv $_[0]
1614	}	2426	}
1615		2427
		2428	=item $ref = $ob->ref
		2429
		2430	Creates and returns a persistent reference to an object that can be stored as a string.
		2431
		2432	=item $ob = cf::object::deref ($refstring)
		2433
		2434	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2435	even if the object actually exists. May block.
		2436
		2437	=cut
		2438
		2439	sub deref {
		2440	my ($ref) = @_;
		2441
		2442	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2443	my ($uuid, $name) = ($1, $2);
		2444	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2445	or return;
		2446	$pl->ob->uuid eq $uuid
		2447	or return;
		2448
		2449	$pl->ob
		2450	} else {
		2451	warn "$ref: cannot resolve object reference\n";
		2452	undef
		2453	}
		2454	}
		2455
1616	package cf;	2456	package cf;
1617		2457
1618	=back	2458	=back
1619		2459
1620	=head3 cf::object::player	2460	=head3 cf::object::player
…		…
1626	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2466	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1627	can be C<undef>. Does the right thing when the player is currently in a	2467	can be C<undef>. Does the right thing when the player is currently in a
1628	dialogue with the given NPC character.	2468	dialogue with the given NPC character.
1629		2469
1630	=cut	2470	=cut
		2471
		2472	our $SAY_CHANNEL = {
		2473	id => "say",
		2474	title => "Map",
		2475	reply => "say ",
		2476	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2477	};
		2478
		2479	our $CHAT_CHANNEL = {
		2480	id => "chat",
		2481	title => "Chat",
		2482	reply => "chat ",
		2483	tooltip => "Player chat and shouts, global to the server.",
		2484	};
1631		2485
1632	# rough implementation of a future "reply" method that works	2486	# rough implementation of a future "reply" method that works
1633	# with dialog boxes.	2487	# with dialog boxes.
1634	#TODO: the first argument must go, split into a $npc->reply_to ( method	2488	#TODO: the first argument must go, split into a $npc->reply_to ( method
1635	sub cf::object::player::reply($$$;$) {	2489	sub cf::object::player::reply($$$;$) {
…		…
1637		2491
1638	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2492	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1639		2493
1640	if ($self->{record_replies}) {	2494	if ($self->{record_replies}) {
1641	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2495	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2496
1642	} else {	2497	} else {
		2498	my $pl = $self->contr;
		2499
		2500	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2501	my $dialog = $pl->{npc_dialog};
		2502	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2503
		2504	} else {
1643	$msg = $npc->name . " says: $msg" if $npc;	2505	$msg = $npc->name . " says: $msg" if $npc;
1644	$self->message ($msg, $flags);	2506	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2507	}
1645	}	2508	}
		2509	}
		2510
		2511	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2512
		2513	=cut
		2514
		2515	sub cf::object::send_msg {
		2516	my $pl = shift->contr
		2517	or return;
		2518	$pl->send_msg (@_);
1646	}	2519	}
1647		2520
1648	=item $player_object->may ("access")	2521	=item $player_object->may ("access")
1649		2522
1650	Returns wether the given player is authorized to access resource "access"	2523	Returns wether the given player is authorized to access resource "access"
…		…
1682	=cut	2555	=cut
1683		2556
1684	sub link_map {	2557	sub link_map {
1685	unless ($LINK_MAP) {	2558	unless ($LINK_MAP) {
1686	$LINK_MAP = cf::map::find "{link}"	2559	$LINK_MAP = cf::map::find "{link}"
1687	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2560	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1688	$LINK_MAP->load;	2561	$LINK_MAP->load;
1689	}	2562	}
1690		2563
1691	$LINK_MAP	2564	$LINK_MAP
1692	}	2565	}
…		…
1697	$self->deactivate_recursive;	2570	$self->deactivate_recursive;
1698		2571
1699	return if UNIVERSAL::isa $self->map, "ext::map_link";	2572	return if UNIVERSAL::isa $self->map, "ext::map_link";
1700		2573
1701	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2574	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1702	if $self->map;	2575	if $self->map && $self->map->{path} ne "{link}";
1703		2576
1704	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2577	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1705	}	2578	}
1706		2579
1707	sub cf::object::player::leave_link {	2580	sub cf::object::player::leave_link {
1708	my ($self, $map, $x, $y) = @_;	2581	my ($self, $map, $x, $y) = @_;
		2582
		2583	return unless $self->contr->active;
1709		2584
1710	my $link_pos = delete $self->{_link_pos};	2585	my $link_pos = delete $self->{_link_pos};
1711		2586
1712	unless ($map) {	2587	unless ($map) {
1713	# restore original map position	2588	# restore original map position
…		…
1727	# use -1 or undef as default coordinates, not 0, 0	2602	# use -1 or undef as default coordinates, not 0, 0
1728	($x, $y) = ($map->enter_x, $map->enter_y)	2603	($x, $y) = ($map->enter_x, $map->enter_y)
1729	if $x <=0 && $y <= 0;	2604	if $x <=0 && $y <= 0;
1730		2605
1731	$map->load;	2606	$map->load;
1732	$map->load_diag;	2607	$map->load_neighbours;
1733		2608
1734	return unless $self->contr->active;	2609	return unless $self->contr->active;
1735	$self->activate_recursive;	2610	$self->activate_recursive;
		2611
		2612	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1736	$self->enter_map ($map, $x, $y);	2613	$self->enter_map ($map, $x, $y);
1737	}	2614	}
1738		2615
1739	cf::player->attach (	2616	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1740	on_logout => sub {
1741	my ($pl) = @_;
1742		2617
1743	# abort map switching before logout	2618	Moves the player to the given map-path and coordinates by first freezing
1744	if ($pl->ob->{_link_pos}) {	2619	her, loading and preparing them map, calling the provided $check callback
1745	cf::sync_job {	2620	that has to return the map if sucecssful, and then unfreezes the player on
1746	$pl->ob->leave_link	2621	the new (success) or old (failed) map position. In either case, $done will
1747	};	2622	be called at the end of this process.
1748	}
1749	},
1750	on_login => sub {
1751	my ($pl) = @_;
1752		2623
1753	# try to abort aborted map switching on player login :)	2624	Note that $check will be called with a potentially non-loaded map, so if
1754	# should happen only on crashes	2625	it needs a loaded map it has to call C<< ->load >>.
1755	if ($pl->ob->{_link_pos}) {
1756	$pl->ob->enter_link;
1757	(async {
1758	# we need this sleep as the login has a concurrent enter_exit running
1759	# and this sleep increases chances of the player not ending up in scorn
1760	$pl->ob->reply (undef,
1761	"There was an internal problem at your last logout, "
1762	. "the server will try to bring you to your intended destination in a second.",
1763	cf::NDI_RED);
1764	Coro::Timer::sleep 1;
1765	$pl->ob->leave_link;
1766	})->prio (2);
1767	}
1768	},
1769	);
1770		2626
1771	=item $player_object->goto ($path, $x, $y)
1772
1773	=cut	2627	=cut
		2628
		2629	our $GOTOGEN;
1774		2630
1775	sub cf::object::player::goto {	2631	sub cf::object::player::goto {
1776	my ($self, $path, $x, $y) = @_;	2632	my ($self, $path, $x, $y, $check, $done) = @_;
		2633
		2634	# do generation counting so two concurrent goto's will be executed in-order
		2635	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1777		2636
1778	$self->enter_link;	2637	$self->enter_link;
1779		2638
1780	(async {	2639	(async {
1781	my $map = cf::map::find $path;	2640	$Coro::current->{desc} = "player::goto $path $x $y";
		2641
		2642	# *tag paths override both path and x|y
		2643	if ($path =~ /^\*(.*)$/) {
		2644	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2645	my $ob = $obs[rand @obs];
		2646
		2647	# see if we actually can go there
		2648	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2649	$ob = $obs[rand @obs];
		2650	} else {
		2651	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2652	}
		2653	# else put us there anyways for now #d#
		2654
		2655	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2656	} else {
		2657	($path, $x, $y) = (undef, undef, undef);
		2658	}
		2659	}
		2660
		2661	my $map = eval {
		2662	my $map = defined $path ? cf::map::find $path : undef;
		2663
		2664	if ($map) {
1782	$map = $map->customise_for ($self) if $map;	2665	$map = $map->customise_for ($self);
1783		2666	$map = $check->($map) if $check && $map;
1784	# warn "entering ", $map->path, " at ($x, $y)\n"	2667	} else {
1785	# if $map;
1786
1787	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2668	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2669	}
1788		2670
		2671	$map
		2672	};
		2673
		2674	if ($@) {
		2675	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2676	LOG llevError | logBacktrace, Carp::longmess $@;
		2677	}
		2678
		2679	if ($gen == $self->{_goto_generation}) {
		2680	delete $self->{_goto_generation};
1789	$self->leave_link ($map, $x, $y);	2681	$self->leave_link ($map, $x, $y);
		2682	}
		2683
		2684	$done->() if $done;
1790	})->prio (1);	2685	})->prio (1);
1791	}	2686	}
1792		2687
1793	=item $player_object->enter_exit ($exit_object)	2688	=item $player_object->enter_exit ($exit_object)
1794		2689
…		…
1796		2691
1797	sub parse_random_map_params {	2692	sub parse_random_map_params {
1798	my ($spec) = @_;	2693	my ($spec) = @_;
1799		2694
1800	my $rmp = { # defaults	2695	my $rmp = { # defaults
1801	xsize => 10,	2696	xsize => (cf::rndm 15, 40),
1802	ysize => 10,	2697	ysize => (cf::rndm 15, 40),
		2698	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2699	#layout => string,
1803	};	2700	};
1804		2701
1805	for (split /\n/, $spec) {	2702	for (split /\n/, $spec) {
1806	my ($k, $v) = split /\s+/, $_, 2;	2703	my ($k, $v) = split /\s+/, $_, 2;
1807		2704
…		…
1819	# that depends on the exit object	2716	# that depends on the exit object
1820		2717
1821	my $rmp = parse_random_map_params $exit->msg;	2718	my $rmp = parse_random_map_params $exit->msg;
1822		2719
1823	if ($exit->map) {	2720	if ($exit->map) {
1824	$rmp->{region} = $exit->map->region_name;	2721	$rmp->{region} = $exit->region->name;
1825	$rmp->{origin_map} = $exit->map->path;	2722	$rmp->{origin_map} = $exit->map->path;
1826	$rmp->{origin_x} = $exit->x;	2723	$rmp->{origin_x} = $exit->x;
1827	$rmp->{origin_y} = $exit->y;	2724	$rmp->{origin_y} = $exit->y;
		2725
		2726	$exit->map->touch;
1828	}	2727	}
1829		2728
1830	$rmp->{random_seed} ||= $exit->random_seed;	2729	$rmp->{random_seed} ||= $exit->random_seed;
1831		2730
1832	my $data = cf::to_json $rmp;	2731	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1833	my $md5 = Digest::MD5::md5_hex $data;	2732	my $md5 = Digest::MD5::md5_hex $data;
		2733	my $meta = "$RANDOMDIR/$md5.meta";
1834		2734
1835	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2735	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1836	aio_write $fh, 0, (length $data), $data, 0;	2736	aio_write $fh, 0, (length $data), $data, 0;
		2737	undef $fh;
		2738	aio_rename "$meta~", $meta;
1837		2739
		2740	my $slaying = "?random/$md5";
		2741
		2742	if ($exit->valid) {
1838	$exit->slaying ("?random/$md5");	2743	$exit->slaying ("?random/$md5");
1839	$exit->msg (undef);	2744	$exit->msg (undef);
		2745	}
1840	}	2746	}
1841	}	2747	}
1842		2748
1843	sub cf::object::player::enter_exit {	2749	sub cf::object::player::enter_exit {
1844	my ($self, $exit) = @_;	2750	my ($self, $exit) = @_;
…		…
1846	return unless $self->type == cf::PLAYER;	2752	return unless $self->type == cf::PLAYER;
1847		2753
1848	$self->enter_link;	2754	$self->enter_link;
1849		2755
1850	(async {	2756	(async {
1851	$self->deactivate_recursive; # just to be sure	2757	$Coro::current->{desc} = "enter_exit";
		2758
1852	unless (eval {	2759	unless (eval {
		2760	$self->deactivate_recursive; # just to be sure
		2761
		2762	# random map handling
		2763	{
		2764	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2765
1853	prepare_random_map $exit	2766	prepare_random_map $exit
1854	if $exit->slaying eq "/!";	2767	if $exit->slaying eq "/!";
		2768	}
1855		2769
1856	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2770	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1857	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2771	my $x = $exit->stats->hp;
		2772	my $y = $exit->stats->sp;
1858		2773
		2774	$self->goto ($map, $x, $y);
		2775
		2776	# if exit is damned, update players death & WoR home-position
		2777	$self->contr->savebed ($map, $x, $y)
		2778	if $exit->flag (cf::FLAG_DAMNED);
		2779
1859	1;	2780	1
1860	}) {	2781	}) {
1861	$self->message ("Something went wrong deep within the crossfire server. "	2782	$self->message ("Something went wrong deep within the crossfire server. "
1862	. "I'll try to bring you back to the map you were before. "	2783	. "I'll try to bring you back to the map you were before. "
1863	. "Please report this to the dungeon master!",	2784	. "Please report this to the dungeon master!",
1864	cf::NDI_UNIQUE | cf::NDI_RED);	2785	cf::NDI_UNIQUE | cf::NDI_RED);
1865		2786
1866	warn "ERROR in enter_exit: $@";	2787	warn "ERROR in enter_exit: $@";
1867	$self->leave_link;	2788	$self->leave_link;
1868	}	2789	}
1869	})->prio (1);	2790	})->prio (1);
…		…
1882		2803
1883	sub cf::client::send_drawinfo {	2804	sub cf::client::send_drawinfo {
1884	my ($self, $text, $flags) = @_;	2805	my ($self, $text, $flags) = @_;
1885		2806
1886	utf8::encode $text;	2807	utf8::encode $text;
1887	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2808	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1888	}	2809	}
1889		2810
		2811	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2812
		2813	Send a drawinfo or msg packet to the client, formatting the msg for the
		2814	client if neccessary. C<$type> should be a string identifying the type of
		2815	the message, with C<log> being the default. If C<$color> is negative, suppress
		2816	the message unless the client supports the msg packet.
		2817
		2818	=cut
		2819
		2820	# non-persistent channels (usually the info channel)
		2821	our %CHANNEL = (
		2822	"c/identify" => {
		2823	id => "infobox",
		2824	title => "Identify",
		2825	reply => undef,
		2826	tooltip => "Items recently identified",
		2827	},
		2828	"c/examine" => {
		2829	id => "infobox",
		2830	title => "Examine",
		2831	reply => undef,
		2832	tooltip => "Signs and other items you examined",
		2833	},
		2834	"c/book" => {
		2835	id => "infobox",
		2836	title => "Book",
		2837	reply => undef,
		2838	tooltip => "The contents of a note or book",
		2839	},
		2840	"c/lookat" => {
		2841	id => "infobox",
		2842	title => "Look",
		2843	reply => undef,
		2844	tooltip => "What you saw there",
		2845	},
		2846	"c/who" => {
		2847	id => "infobox",
		2848	title => "Players",
		2849	reply => undef,
		2850	tooltip => "Shows players who are currently online",
		2851	},
		2852	"c/body" => {
		2853	id => "infobox",
		2854	title => "Body Parts",
		2855	reply => undef,
		2856	tooltip => "Shows which body parts you posess and are available",
		2857	},
		2858	"c/uptime" => {
		2859	id => "infobox",
		2860	title => "Uptime",
		2861	reply => undef,
		2862	tooltip => "How long the server has been running since last restart",
		2863	},
		2864	"c/mapinfo" => {
		2865	id => "infobox",
		2866	title => "Map Info",
		2867	reply => undef,
		2868	tooltip => "Information related to the maps",
		2869	},
		2870	"c/party" => {
		2871	id => "party",
		2872	title => "Party",
		2873	reply => "gsay ",
		2874	tooltip => "Messages and chat related to your party",
		2875	},
		2876	);
		2877
		2878	sub cf::client::send_msg {
		2879	my ($self, $channel, $msg, $color, @extra) = @_;
		2880
		2881	$msg = $self->pl->expand_cfpod ($msg);
		2882
		2883	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2884
		2885	# check predefined channels, for the benefit of C
		2886	if ($CHANNEL{$channel}) {
		2887	$channel = $CHANNEL{$channel};
		2888
		2889	$self->ext_msg (channel_info => $channel)
		2890	if $self->can_msg;
		2891
		2892	$channel = $channel->{id};
		2893
		2894	} elsif (ref $channel) {
		2895	# send meta info to client, if not yet sent
		2896	unless (exists $self->{channel}{$channel->{id}}) {
		2897	$self->{channel}{$channel->{id}} = $channel;
		2898	$self->ext_msg (channel_info => $channel)
		2899	if $self->can_msg;
		2900	}
		2901
		2902	$channel = $channel->{id};
		2903	}
		2904
		2905	return unless @extra || length $msg;
		2906
		2907	if ($self->can_msg) {
		2908	# default colour, mask it out
		2909	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2910	if $color & cf::NDI_DEF;
		2911
		2912	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2913	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2914	} else {
		2915	if ($color >= 0) {
		2916	# replace some tags by gcfclient-compatible ones
		2917	for ($msg) {
		2918	1 while
		2919	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2920	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2921	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2922	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2923	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2924	}
		2925
		2926	$color &= cf::NDI_COLOR_MASK;
		2927
		2928	utf8::encode $msg;
		2929
		2930	if (0 && $msg =~ /\[/) {
		2931	# COMMAND/INFO
		2932	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2933	} else {
		2934	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2935	$self->send_packet ("drawinfo $color $msg")
		2936	}
		2937	}
		2938	}
		2939	}
		2940
		2941	=item $client->ext_msg ($type, @msg)
		2942
		2943	Sends an ext event to the client.
		2944
		2945	=cut
		2946
		2947	sub cf::client::ext_msg($$@) {
		2948	my ($self, $type, @msg) = @_;
		2949
		2950	if ($self->extcmd == 2) {
		2951	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2952	} elsif ($self->extcmd == 1) { # TODO: remove
		2953	push @msg, msgtype => "event_$type";
		2954	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2955	}
		2956	}
		2957
		2958	=item $client->ext_reply ($msgid, @msg)
		2959
		2960	Sends an ext reply to the client.
		2961
		2962	=cut
		2963
		2964	sub cf::client::ext_reply($$@) {
		2965	my ($self, $id, @msg) = @_;
		2966
		2967	if ($self->extcmd == 2) {
		2968	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2969	} elsif ($self->extcmd == 1) {
		2970	#TODO: version 1, remove
		2971	unshift @msg, msgtype => "reply", msgid => $id;
		2972	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2973	}
		2974	}
1890		2975
1891	=item $success = $client->query ($flags, "text", \&cb)	2976	=item $success = $client->query ($flags, "text", \&cb)
1892		2977
1893	Queues a query to the client, calling the given callback with	2978	Queues a query to the client, calling the given callback with
1894	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2979	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1895	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2980	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1896		2981
1897	Queries can fail, so check the return code. Or don't, as queries will become	2982	Queries can fail, so check the return code. Or don't, as queries will
1898	reliable at some point in the future.	2983	become reliable at some point in the future.
1899		2984
1900	=cut	2985	=cut
1901		2986
1902	sub cf::client::query {	2987	sub cf::client::query {
1903	my ($self, $flags, $text, $cb) = @_;	2988	my ($self, $flags, $text, $cb) = @_;
…		…
1911	utf8::encode $text;	2996	utf8::encode $text;
1912	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2997	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1913		2998
1914	$self->send_packet ($self->{query_queue}[0][0])	2999	$self->send_packet ($self->{query_queue}[0][0])
1915	if @{ $self->{query_queue} } == 1;	3000	if @{ $self->{query_queue} } == 1;
		3001
		3002	1
1916	}	3003	}
1917		3004
1918	cf::client->attach (	3005	cf::client->attach (
		3006	on_connect => sub {
		3007	my ($ns) = @_;
		3008
		3009	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3010	},
1919	on_reply => sub {	3011	on_reply => sub {
1920	my ($ns, $msg) = @_;	3012	my ($ns, $msg) = @_;
1921		3013
1922	# this weird shuffling is so that direct followup queries	3014	# this weird shuffling is so that direct followup queries
1923	# get handled first	3015	# get handled first
1924	my $queue = delete $ns->{query_queue}	3016	my $queue = delete $ns->{query_queue}
1925	or return; # be conservative, not sure how that can happen, but we saw a crash here	3017	or return; # be conservative, not sure how that can happen, but we saw a crash here
1926		3018
1927	(shift @$queue)->[1]->($msg);	3019	(shift @$queue)->[1]->($msg);
		3020	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1928		3021
1929	push @{ $ns->{query_queue} }, @$queue;	3022	push @{ $ns->{query_queue} }, @$queue;
1930		3023
1931	if (@{ $ns->{query_queue} } == @$queue) {	3024	if (@{ $ns->{query_queue} } == @$queue) {
1932	if (@$queue) {	3025	if (@$queue) {
…		…
1934	} else {	3027	} else {
1935	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3028	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1936	}	3029	}
1937	}	3030	}
1938	},	3031	},
		3032	on_exticmd => sub {
		3033	my ($ns, $buf) = @_;
		3034
		3035	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3036
		3037	if (ref $msg) {
		3038	my ($type, $reply, @payload) =
		3039	"ARRAY" eq ref $msg
		3040	? @$msg
		3041	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3042
		3043	my @reply;
		3044
		3045	if (my $cb = $EXTICMD{$type}) {
		3046	@reply = $cb->($ns, @payload);
		3047	}
		3048
		3049	$ns->ext_reply ($reply, @reply)
		3050	if $reply;
		3051
		3052	} else {
		3053	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3054	}
		3055
		3056	cf::override;
		3057	},
1939	);	3058	);
1940		3059
1941	=item $client->async (\&cb)	3060	=item $client->async (\&cb)
1942		3061
1943	Create a new coroutine, running the specified callback. The coroutine will	3062	Create a new coroutine, running the specified callback. The coroutine will
…		…
1984	our $safe = new Safe "safe";	3103	our $safe = new Safe "safe";
1985	our $safe_hole = new Safe::Hole;	3104	our $safe_hole = new Safe::Hole;
1986		3105
1987	$SIG{FPE} = 'IGNORE';	3106	$SIG{FPE} = 'IGNORE';
1988		3107
1989	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3108	$safe->permit_only (Opcode::opset qw(
		3109	:base_core :base_mem :base_orig :base_math
		3110	grepstart grepwhile mapstart mapwhile
		3111	sort time
		3112	));
1990		3113
1991	# here we export the classes and methods available to script code	3114	# here we export the classes and methods available to script code
1992		3115
1993	=pod	3116	=pod
1994		3117
1995	The following fucntions and emthods are available within a safe environment:	3118	The following functions and methods are available within a safe environment:
1996		3119
1997	cf::object contr pay_amount pay_player map	3120	cf::object
		3121	contr pay_amount pay_player map x y force_find force_add destroy
		3122	insert remove name archname title slaying race decrease split
		3123
1998	cf::object::player player	3124	cf::object::player
1999	cf::player peaceful	3125	player
2000	cf::map trigger	3126
		3127	cf::player
		3128	peaceful
		3129
		3130	cf::map
		3131	trigger
2001		3132
2002	=cut	3133	=cut
2003		3134
2004	for (	3135	for (
2005	["cf::object" => qw(contr pay_amount pay_player map)],	3136	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3137	insert remove inv nrof name archname title slaying race
		3138	decrease split destroy change_exp)],
2006	["cf::object::player" => qw(player)],	3139	["cf::object::player" => qw(player)],
2007	["cf::player" => qw(peaceful)],	3140	["cf::player" => qw(peaceful)],
2008	["cf::map" => qw(trigger)],	3141	["cf::map" => qw(trigger)],
2009	) {	3142	) {
2010	no strict 'refs';	3143	no strict 'refs';
…		…
2081	=back	3214	=back
2082		3215
2083	=cut	3216	=cut
2084		3217
2085	#############################################################################	3218	#############################################################################
		3219	# the server's init and main functions
2086		3220
2087	=head2 EXTENSION DATABASE SUPPORT	3221	sub load_facedata($) {
		3222	my ($path) = @_;
2088		3223
2089	Crossfire maintains a very simple database for extension use. It can	3224	# HACK to clear player env face cache, we need some signal framework
2090	currently store anything that can be serialised using Storable, which	3225	# for this (global event?)
2091	excludes objects.	3226	%ext::player_env::MUSIC_FACE_CACHE = ();
2092		3227
2093	The parameter C<$family> should best start with the name of the extension	3228	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2094	using it, it should be unique.
2095		3229
2096	=over 4	3230	warn "loading facedata from $path\n";
2097		3231
2098	=item $hashref = cf::db_get $family	3232	my $facedata;
		3233	0 < aio_load $path, $facedata
		3234	or die "$path: $!";
2099		3235
2100	Return a hashref for use by the extension C<$family>, which can be	3236	$facedata = Coro::Storable::thaw $facedata;
2101	modified. After modifications, you have to call C<cf::db_dirty> or
2102	C<cf::db_sync>.
2103		3237
2104	=item $value = cf::db_get $family => $key	3238	$facedata->{version} == 2
		3239	or cf::cleanup "$path: version mismatch, cannot proceed.";
2105		3240
2106	Returns a single value from the database	3241	# patch in the exptable
2107		3242	$facedata->{resource}{"res/exp_table"} = {
2108	=item cf::db_put $family => $hashref	3243	type => FT_RSRC,
2109		3244	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2110	Stores the given family hashref into the database. Updates are delayed, if
2111	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2112
2113	=item cf::db_put $family => $key => $value
2114
2115	Stores the given C<$value> in the family hash. Updates are delayed, if you
2116	want the data to be synced to disk immediately, use C<cf::db_sync>.
2117
2118	=item cf::db_dirty
2119
2120	Marks the database as dirty, to be updated at a later time.
2121
2122	=item cf::db_sync
2123
2124	Immediately write the database to disk I<if it is dirty>.
2125
2126	=cut
2127
2128	our $DB;
2129
2130	{
2131	my $path = cf::localdir . "/database.pst";
2132
2133	sub db_load() {
2134	$DB = stat $path ? Storable::retrieve $path : { };
2135	}
2136
2137	my $pid;
2138
2139	sub db_save() {
2140	waitpid $pid, 0 if $pid;
2141	if (0 == ($pid = fork)) {
2142	$DB->{_meta}{version} = 1;
2143	Storable::nstore $DB, "$path~";
2144	rename "$path~", $path;
2145	cf::_exit 0 if defined $pid;
2146	}
2147	}
2148
2149	my $dirty;
2150
2151	sub db_sync() {
2152	db_save if $dirty;
2153	undef $dirty;
2154	}
2155
2156	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2157	db_sync;
2158	});	3245	};
		3246	cf::cede_to_tick;
2159		3247
2160	sub db_dirty() {
2161	$dirty = 1;
2162	$idle->start;
2163	}	3248	{
		3249	my $faces = $facedata->{faceinfo};
2164		3250
2165	sub db_get($;$) {	3251	while (my ($face, $info) = each %$faces) {
2166	@_ >= 2	3252	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2167	? $DB->{$_[0]}{$_[1]}
2168	: ($DB->{$_[0]} ||= { })
2169	}
2170		3253
2171	sub db_put($$;$) {	3254	cf::face::set_visibility $idx, $info->{visibility};
2172	if (@_ >= 3) {	3255	cf::face::set_magicmap $idx, $info->{magicmap};
2173	$DB->{$_[0]}{$_[1]} = $_[2];	3256	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2174	} else {	3257	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2175	$DB->{$_[0]} = $_[1];
2176	}
2177	db_dirty;
2178	}
2179		3258
2180	cf::global->attach (	3259	cf::cede_to_tick;
2181	prio => 10000,
2182	on_cleanup => sub {
2183	db_sync;
2184	},	3260	}
2185	);
2186	}
2187		3261
2188	#############################################################################	3262	while (my ($face, $info) = each %$faces) {
2189	# the server's main()	3263	next unless $info->{smooth};
2190		3264
2191	sub cfg_load {	3265	my $idx = cf::face::find $face
		3266	or next;
		3267
		3268	if (my $smooth = cf::face::find $info->{smooth}) {
		3269	cf::face::set_smooth $idx, $smooth;
		3270	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3271	} else {
		3272	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3273	}
		3274
		3275	cf::cede_to_tick;
		3276	}
		3277	}
		3278
		3279	{
		3280	my $anims = $facedata->{animinfo};
		3281
		3282	while (my ($anim, $info) = each %$anims) {
		3283	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3284	cf::cede_to_tick;
		3285	}
		3286
		3287	cf::anim::invalidate_all; # d'oh
		3288	}
		3289
		3290	{
		3291	# TODO: for gcfclient pleasure, we should give resources
		3292	# that gcfclient doesn't grok a >10000 face index.
		3293	my $res = $facedata->{resource};
		3294
		3295	while (my ($name, $info) = each %$res) {
		3296	if (defined $info->{type}) {
		3297	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3298	my $data;
		3299
		3300	if ($info->{type} & 1) {
		3301	# prepend meta info
		3302
		3303	my $meta = $enc->encode ({
		3304	name => $name,
		3305	%{ $info->{meta} || {} },
		3306	});
		3307
		3308	$data = pack "(w/a*)*", $meta, $info->{data};
		3309	} else {
		3310	$data = $info->{data};
		3311	}
		3312
		3313	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3314	cf::face::set_type $idx, $info->{type};
		3315	} else {
		3316	$RESOURCE{$name} = $info;
		3317	}
		3318
		3319	cf::cede_to_tick;
		3320	}
		3321	}
		3322
		3323	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3324
		3325	1
		3326	}
		3327
		3328	cf::global->attach (on_resource_update => sub {
		3329	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3330	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3331
		3332	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3333	my $sound = $soundconf->{compat}[$_]
		3334	or next;
		3335
		3336	my $face = cf::face::find "sound/$sound->[1]";
		3337	cf::sound::set $sound->[0] => $face;
		3338	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3339	}
		3340
		3341	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3342	my $face = cf::face::find "sound/$v";
		3343	cf::sound::set $k => $face;
		3344	}
		3345	}
		3346	});
		3347
		3348	register_exticmd fx_want => sub {
		3349	my ($ns, $want) = @_;
		3350
		3351	while (my ($k, $v) = each %$want) {
		3352	$ns->fx_want ($k, $v);
		3353	}
		3354	};
		3355
		3356	sub load_resource_file($) {
		3357	my $guard = lock_acquire "load_resource_file";
		3358
		3359	my $status = load_resource_file_ $_[0];
		3360	get_slot 0.1, 100;
		3361	cf::arch::commit_load;
		3362
		3363	$status
		3364	}
		3365
		3366	sub reload_regions {
		3367	# HACK to clear player env face cache, we need some signal framework
		3368	# for this (global event?)
		3369	%ext::player_env::MUSIC_FACE_CACHE = ();
		3370
		3371	load_resource_file "$MAPDIR/regions"
		3372	or die "unable to load regions file\n";
		3373
		3374	for (cf::region::list) {
		3375	$_->{match} = qr/$_->{match}/
		3376	if exists $_->{match};
		3377	}
		3378	}
		3379
		3380	sub reload_facedata {
		3381	load_facedata "$DATADIR/facedata"
		3382	or die "unable to load facedata\n";
		3383	}
		3384
		3385	sub reload_archetypes {
		3386	load_resource_file "$DATADIR/archetypes"
		3387	or die "unable to load archetypes\n";
		3388	}
		3389
		3390	sub reload_treasures {
		3391	load_resource_file "$DATADIR/treasures"
		3392	or die "unable to load treasurelists\n";
		3393	}
		3394
		3395	sub reload_resources {
		3396	warn "reloading resource files...\n";
		3397
		3398	reload_facedata;
		3399	reload_archetypes;
		3400	reload_regions;
		3401	reload_treasures;
		3402
		3403	warn "finished reloading resource files\n";
		3404	}
		3405
		3406	sub init {
		3407	my $guard = freeze_mainloop;
		3408
		3409	evthread_start IO::AIO::poll_fileno;
		3410
		3411	reload_resources;
		3412	}
		3413
		3414	sub reload_config {
2192	open my $fh, "<:utf8", cf::confdir . "/config"	3415	open my $fh, "<:utf8", "$CONFDIR/config"
2193	or return;	3416	or return;
2194		3417
2195	local $/;	3418	local $/;
2196	*CFG = YAML::Syck::Load <$fh>;	3419	*CFG = YAML::Load <$fh>;
2197		3420
2198	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3421	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2199		3422
2200	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3423	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2201	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3424	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2211		3434
2212	sub main {	3435	sub main {
2213	# we must not ever block the main coroutine	3436	# we must not ever block the main coroutine
2214	local $Coro::idle = sub {	3437	local $Coro::idle = sub {
2215	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3438	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2216	async { Event::one_event };	3439	(async {
		3440	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3441	EV::loop EV::LOOP_ONESHOT;
		3442	})->prio (Coro::PRIO_MAX);
2217	};	3443	};
2218		3444
2219	cfg_load;	3445	{
2220	db_load;	3446	my $guard = freeze_mainloop;
		3447	reload_config;
		3448	db_init;
2221	load_extensions;	3449	load_extensions;
		3450
		3451	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3452	}
		3453
2222	Event::loop;	3454	EV::loop;
2223	}	3455	}
2224		3456
2225	#############################################################################	3457	#############################################################################
2226	# initialisation and cleanup	3458	# initialisation and cleanup
2227		3459
2228	# install some emergency cleanup handlers	3460	# install some emergency cleanup handlers
2229	BEGIN {	3461	BEGIN {
		3462	our %SIGWATCHER = ();
2230	for my $signal (qw(INT HUP TERM)) {	3463	for my $signal (qw(INT HUP TERM)) {
2231	Event->signal (	3464	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2232	data => WF_AUTOCANCEL,
2233	signal => $signal,
2234	cb => sub {
2235	cf::cleanup "SIG$signal";	3465	cf::cleanup "SIG$signal";
2236	},
2237	);	3466	};
		3467	}
		3468	}
		3469
		3470	sub write_runtime_sync {
		3471	my $runtime = "$LOCALDIR/runtime";
		3472
		3473	# first touch the runtime file to show we are still running:
		3474	# the fsync below can take a very very long time.
		3475
		3476	IO::AIO::aio_utime $runtime, undef, undef;
		3477
		3478	my $guard = cf::lock_acquire "write_runtime";
		3479
		3480	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3481	or return;
		3482
		3483	my $value = $cf::RUNTIME + 90 + 10;
		3484	# 10 is the runtime save interval, for a monotonic clock
		3485	# 60 allows for the watchdog to kill the server.
		3486
		3487	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3488	and return;
		3489
		3490	# always fsync - this file is important
		3491	aio_fsync $fh
		3492	and return;
		3493
		3494	# touch it again to show we are up-to-date
		3495	aio_utime $fh, undef, undef;
		3496
		3497	close $fh
		3498	or return;
		3499
		3500	aio_rename "$runtime~", $runtime
		3501	and return;
		3502
		3503	warn "runtime file written.\n";
		3504
2238	}	3505	1
		3506	}
		3507
		3508	our $uuid_lock;
		3509	our $uuid_skip;
		3510
		3511	sub write_uuid_sync($) {
		3512	$uuid_skip ||= $_[0];
		3513
		3514	return if $uuid_lock;
		3515	local $uuid_lock = 1;
		3516
		3517	my $uuid = "$LOCALDIR/uuid";
		3518
		3519	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3520	or return;
		3521
		3522	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3523	$uuid_skip = 0;
		3524
		3525	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3526	and return;
		3527
		3528	# always fsync - this file is important
		3529	aio_fsync $fh
		3530	and return;
		3531
		3532	close $fh
		3533	or return;
		3534
		3535	aio_rename "$uuid~", $uuid
		3536	and return;
		3537
		3538	warn "uuid file written ($value).\n";
		3539
		3540	1
		3541
		3542	}
		3543
		3544	sub write_uuid($$) {
		3545	my ($skip, $sync) = @_;
		3546
		3547	$sync ? write_uuid_sync $skip
		3548	: async { write_uuid_sync $skip };
2239	}	3549	}
2240		3550
2241	sub emergency_save() {	3551	sub emergency_save() {
2242	my $freeze_guard = cf::freeze_mainloop;	3552	my $freeze_guard = cf::freeze_mainloop;
2243		3553
…		…
2249	# and maps saved/destroyed asynchronously.	3559	# and maps saved/destroyed asynchronously.
2250	warn "begin emergency player save\n";	3560	warn "begin emergency player save\n";
2251	for my $login (keys %cf::PLAYER) {	3561	for my $login (keys %cf::PLAYER) {
2252	my $pl = $cf::PLAYER{$login} or next;	3562	my $pl = $cf::PLAYER{$login} or next;
2253	$pl->valid or next;	3563	$pl->valid or next;
		3564	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2254	$pl->save;	3565	$pl->save;
2255	}	3566	}
2256	warn "end emergency player save\n";	3567	warn "end emergency player save\n";
2257		3568
2258	warn "begin emergency map save\n";	3569	warn "begin emergency map save\n";
…		…
2260	my $map = $cf::MAP{$path} or next;	3571	my $map = $cf::MAP{$path} or next;
2261	$map->valid or next;	3572	$map->valid or next;
2262	$map->save;	3573	$map->save;
2263	}	3574	}
2264	warn "end emergency map save\n";	3575	warn "end emergency map save\n";
		3576
		3577	warn "begin emergency database checkpoint\n";
		3578	BDB::db_env_txn_checkpoint $DB_ENV;
		3579	warn "end emergency database checkpoint\n";
		3580
		3581	warn "begin write uuid\n";
		3582	write_uuid_sync 1;
		3583	warn "end write uuid\n";
2265	};	3584	};
2266		3585
2267	warn "leave emergency perl save\n";	3586	warn "leave emergency perl save\n";
2268	}	3587	}
2269		3588
		3589	sub post_cleanup {
		3590	my ($make_core) = @_;
		3591
		3592	warn Carp::longmess "post_cleanup backtrace"
		3593	if $make_core;
		3594	}
		3595
		3596	# a safer delete_package, copied from Symbol
		3597	sub clear_package($) {
		3598	my $pkg = shift;
		3599
		3600	# expand to full symbol table name if needed
		3601	unless ($pkg =~ /^main::.*::$/) {
		3602	$pkg = "main$pkg" if $pkg =~ /^::/;
		3603	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3604	$pkg .= '::' unless $pkg =~ /::$/;
		3605	}
		3606
		3607	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3608	my $stem_symtab = *{$stem}{HASH};
		3609
		3610	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3611	or return;
		3612
		3613	# clear all symbols
		3614	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3615	for my $name (keys %$leaf_symtab) {
		3616	_gv_clear *{"$pkg$name"};
		3617	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3618	}
		3619	warn "cleared package #$pkg\n";#d#
		3620	}
		3621
		3622	our $RELOAD; # how many times to reload
		3623
2270	sub reload() {	3624	sub do_reload_perl() {
2271	# can/must only be called in main	3625	# can/must only be called in main
2272	if ($Coro::current != $Coro::main) {	3626	if ($Coro::current != $Coro::main) {
2273	warn "can only reload from main coroutine\n";	3627	warn "can only reload from main coroutine";
2274	return;	3628	return;
2275	}	3629	}
2276		3630
		3631	return if $RELOAD++;
		3632
		3633	while ($RELOAD) {
2277	warn "reloading...";	3634	warn "reloading...";
2278		3635
2279	warn "freezing server";	3636	warn "entering sync_job";
2280	my $guard = freeze_mainloop;	3637
		3638	cf::sync_job {
		3639	cf::write_runtime_sync; # external watchdog should not bark
2281	cf::emergency_save;	3640	cf::emergency_save;
		3641	cf::write_runtime_sync; # external watchdog should not bark
2282		3642
2283	warn "sync database to disk";	3643	warn "syncing database to disk";
2284	cf::db_sync;	3644	BDB::db_env_txn_checkpoint $DB_ENV;
2285	IO::AIO::flush;
2286		3645
2287	eval {
2288	# if anything goes wrong in here, we should simply crash as we already saved	3646	# if anything goes wrong in here, we should simply crash as we already saved
2289		3647
2290	warn "cancel all watchers";	3648	warn "flushing outstanding aio requests";
2291	for (Event::all_watchers) {	3649	while (IO::AIO::nreqs || BDB::nreqs) {
2292	$_->cancel if $_->data & WF_AUTOCANCEL;	3650	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2293	}
2294
2295	warn "cancel all extension coros";
2296	$_->cancel for values %EXT_CORO;
2297	%EXT_CORO = ();
2298
2299	warn "remove commands";
2300	%COMMAND = ();
2301
2302	warn "remove ext commands";
2303	%EXTCMD = ();
2304
2305	warn "unload/nuke all extensions";
2306	for my $pkg (@EXTS) {
2307	warn "... unloading $pkg";
2308
2309	if (my $cb = $pkg->can ("unload")) {
2310	eval {
2311	$cb->($pkg);
2312	1
2313	} or warn "$pkg unloaded, but with errors: $@";
2314	}	3651	}
2315		3652
		3653	warn "cancelling all extension coros";
		3654	$_->cancel for values %EXT_CORO;
		3655	%EXT_CORO = ();
		3656
		3657	warn "removing commands";
		3658	%COMMAND = ();
		3659
		3660	warn "removing ext/exti commands";
		3661	%EXTCMD = ();
		3662	%EXTICMD = ();
		3663
		3664	warn "unloading/nuking all extensions";
		3665	for my $pkg (@EXTS) {
2316	warn "... nuking $pkg";	3666	warn "... unloading $pkg";
2317	Symbol::delete_package $pkg;
2318	}
2319		3667
2320	warn "unload all perl modules loaded from $LIBDIR";
2321	while (my ($k, $v) = each %INC) {
2322	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2323
2324	warn "removing <$k>";
2325	delete $INC{$k};
2326
2327	$k =~ s/\.pm$//;
2328	$k =~ s/\//::/g;
2329
2330	if (my $cb = $k->can ("unload_module")) {	3668	if (my $cb = $pkg->can ("unload")) {
		3669	eval {
2331	$cb->();	3670	$cb->($pkg);
		3671	1
		3672	} or warn "$pkg unloaded, but with errors: $@";
		3673	}
		3674
		3675	warn "... clearing $pkg";
		3676	clear_package $pkg;
2332	}	3677	}
2333		3678
2334	Symbol::delete_package $k;	3679	warn "unloading all perl modules loaded from $LIBDIR";
		3680	while (my ($k, $v) = each %INC) {
		3681	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3682
		3683	warn "... unloading $k";
		3684	delete $INC{$k};
		3685
		3686	$k =~ s/\.pm$//;
		3687	$k =~ s/\//::/g;
		3688
		3689	if (my $cb = $k->can ("unload_module")) {
		3690	$cb->();
		3691	}
		3692
		3693	clear_package $k;
2335	}	3694	}
2336		3695
2337	warn "get rid of safe::, as good as possible";	3696	warn "getting rid of safe::, as good as possible";
2338	Symbol::delete_package "safe::$_"	3697	clear_package "safe::$_"
2339	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3698	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2340		3699
2341	warn "unload cf.pm \"a bit\"";	3700	warn "unloading cf.pm \"a bit\"";
2342	delete $INC{"cf.pm"};	3701	delete $INC{"cf.pm"};
		3702	delete $INC{"cf/pod.pm"};
2343		3703
2344	# don't, removes xs symbols, too,	3704	# don't, removes xs symbols, too,
2345	# and global variables created in xs	3705	# and global variables created in xs
2346	#Symbol::delete_package __PACKAGE__;	3706	#clear_package __PACKAGE__;
2347		3707
		3708	warn "unload completed, starting to reload now";
		3709
2348	warn "reloading cf.pm";	3710	warn "reloading cf.pm";
2349	require cf;	3711	require cf;
2350	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3712	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2351		3713
2352	warn "load config and database again";	3714	warn "loading config and database again";
2353	cf::cfg_load;	3715	cf::reload_config;
2354	cf::db_load;
2355		3716
2356	warn "load extensions";	3717	warn "loading extensions";
2357	cf::load_extensions;	3718	cf::load_extensions;
2358		3719
2359	warn "reattach attachments to objects/players";	3720	warn "reattaching attachments to objects/players";
2360	_global_reattach;	3721	_global_reattach; # objects, sockets
2361	warn "reattach attachments to maps";	3722	warn "reattaching attachments to maps";
2362	reattach $_ for values %MAP;	3723	reattach $_ for values %MAP;
		3724	warn "reattaching attachments to players";
		3725	reattach $_ for values %PLAYER;
		3726
		3727	warn "leaving sync_job";
		3728
		3729	1
		3730	} or do {
		3731	warn $@;
		3732	cf::cleanup "error while reloading, exiting.";
		3733	};
		3734
		3735	warn "reloaded";
		3736	--$RELOAD;
		3737	}
		3738	};
		3739
		3740	our $RELOAD_WATCHER; # used only during reload
		3741
		3742	sub reload_perl() {
		3743	# doing reload synchronously and two reloads happen back-to-back,
		3744	# coro crashes during coro_state_free->destroy here.
		3745
		3746	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3747	do_reload_perl;
		3748	undef $RELOAD_WATCHER;
2363	};	3749	};
2364		3750	}
2365	if ($@) {
2366	warn $@;
2367	warn "error while reloading, exiting.";
2368	exit 1;
2369	}
2370
2371	warn "reloaded";
2372	};
2373		3751
2374	register_command "reload" => sub {	3752	register_command "reload" => sub {
2375	my ($who, $arg) = @_;	3753	my ($who, $arg) = @_;
2376		3754
2377	if ($who->flag (FLAG_WIZ)) {	3755	if ($who->flag (FLAG_WIZ)) {
2378	$who->message ("start of reload.");
2379	reload;
2380	$who->message ("end of reload.");	3756	$who->message ("reloading server.");
		3757	async {
		3758	$Coro::current->{desc} = "perl_reload";
		3759	reload_perl;
		3760	};
2381	}	3761	}
2382	};	3762	};
2383		3763
2384	unshift @INC, $LIBDIR;	3764	unshift @INC, $LIBDIR;
2385		3765
2386	$TICK_WATCHER = Event->timer (	3766	my $bug_warning = 0;
2387	reentrant => 0,
2388	prio => 0,
2389	at => $NEXT_TICK || $TICK,
2390	data => WF_AUTOCANCEL,
2391	cb => sub {
2392	$NOW = Event::time;
2393		3767
		3768	our @WAIT_FOR_TICK;
		3769	our @WAIT_FOR_TICK_BEGIN;
		3770
		3771	sub wait_for_tick {
		3772	return if tick_inhibit || $Coro::current == $Coro::main;
		3773
		3774	my $signal = new Coro::Signal;
		3775	push @WAIT_FOR_TICK, $signal;
		3776	$signal->wait;
		3777	}
		3778
		3779	sub wait_for_tick_begin {
		3780	return if tick_inhibit || $Coro::current == $Coro::main;
		3781
		3782	my $signal = new Coro::Signal;
		3783	push @WAIT_FOR_TICK_BEGIN, $signal;
		3784	$signal->wait;
		3785	}
		3786
		3787	sub tick {
		3788	if ($Coro::current != $Coro::main) {
		3789	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3790	unless ++$bug_warning > 10;
		3791	return;
		3792	}
		3793
2394	cf::server_tick; # one server iteration	3794	cf::server_tick; # one server iteration
2395	$RUNTIME += $TICK;
2396	$NEXT_TICK += $TICK;
2397		3795
2398	$WAIT_FOR_TICK->broadcast;	3796	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2399	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3797	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2400		3798	Coro::async_pool {
2401	# if we are delayed by four ticks or more, skip them all	3799	$Coro::current->{desc} = "runtime saver";
2402	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2403
2404	$TICK_WATCHER->at ($NEXT_TICK);
2405	$TICK_WATCHER->start;
2406	},
2407	);
2408
2409	IO::AIO::max_poll_time $TICK * 0.2;
2410
2411	$AIO_POLL_WATCHER = Event->io (
2412	fd => IO::AIO::poll_fileno,
2413	poll => 'r',
2414	prio => 5,
2415	data => WF_AUTOCANCEL,
2416	cb => \&IO::AIO::poll_cb,
2417	);
2418
2419	$WRITE_RUNTIME_WATCHER = Event->timer (
2420	data => WF_AUTOCANCEL,
2421	after => 0,
2422	interval => 10,
2423	cb => sub {
2424	(Coro::unblock_sub {
2425	write_runtime	3800	write_runtime_sync
2426	or warn "ERROR: unable to write runtime file: $!";	3801	or warn "ERROR: unable to write runtime file: $!";
2427	})->();	3802	};
2428	},	3803	}
2429	);	3804
		3805	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3806	$sig->send;
		3807	}
		3808	while (my $sig = shift @WAIT_FOR_TICK) {
		3809	$sig->send;
		3810	}
		3811
		3812	$LOAD = ($NOW - $TICK_START) / $TICK;
		3813	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3814
		3815	if (0) {
		3816	if ($NEXT_TICK) {
		3817	my $jitter = $TICK_START - $NEXT_TICK;
		3818	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3819	warn "jitter $JITTER\n";#d#
		3820	}
		3821	}
		3822	}
		3823
		3824	{
		3825	# configure BDB
		3826
		3827	BDB::min_parallel 8;
		3828	BDB::max_poll_reqs $TICK * 0.1;
		3829	$AnyEvent::BDB::WATCHER->priority (1);
		3830
		3831	unless ($DB_ENV) {
		3832	$DB_ENV = BDB::db_env_create;
		3833	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3834	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3835	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3836	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3837	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3838
		3839	cf::sync_job {
		3840	eval {
		3841	BDB::db_env_open
		3842	$DB_ENV,
		3843	$BDBDIR,
		3844	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3845	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3846	0666;
		3847
		3848	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3849	};
		3850
		3851	cf::cleanup "db_env_open(db): $@" if $@;
		3852	};
		3853	}
		3854
		3855	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3856	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3857	};
		3858	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3859	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3860	};
		3861	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3862	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3863	};
		3864	}
		3865
		3866	{
		3867	# configure IO::AIO
		3868
		3869	IO::AIO::min_parallel 8;
		3870	IO::AIO::max_poll_time $TICK * 0.1;
		3871	undef $AnyEvent::AIO::WATCHER;
		3872	}
		3873
		3874	my $_log_backtrace;
		3875
		3876	sub _log_backtrace {
		3877	my ($msg, @addr) = @_;
		3878
		3879	$msg =~ s/\n//;
		3880
		3881	# limit the # of concurrent backtraces
		3882	if ($_log_backtrace < 2) {
		3883	++$_log_backtrace;
		3884	async {
		3885	$Coro::current->{desc} = "abt $msg";
		3886
		3887	my @bt = fork_call {
		3888	@addr = map { sprintf "%x", $_ } @addr;
		3889	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3890	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3891	or die "addr2line: $!";
		3892
		3893	my @funcs;
		3894	my @res = <$fh>;
		3895	chomp for @res;
		3896	while (@res) {
		3897	my ($func, $line) = splice @res, 0, 2, ();
		3898	push @funcs, "[$func] $line";
		3899	}
		3900
		3901	@funcs
		3902	};
		3903
		3904	LOG llevInfo, "[ABT] $msg\n";
		3905	LOG llevInfo, "[ABT] $_\n" for @bt;
		3906	--$_log_backtrace;
		3907	};
		3908	} else {
		3909	LOG llevInfo, "[ABT] $msg\n";
		3910	LOG llevInfo, "[ABT] [suppressed]\n";
		3911	}
		3912	}
		3913
		3914	# load additional modules
		3915	use cf::pod;
2430		3916
2431	END { cf::emergency_save }	3917	END { cf::emergency_save }
2432		3918
2433	1	3919	1
2434		3920

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