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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.177 by root, Sun Jan 14 22:54:18 2007 UTC vs.
Revision 1.444 by root, Mon Sep 8 11:27:25 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.4 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
		52	use BDB ();
20	use Data::Dumper;	53	use Data::Dumper;
21	use Digest::MD5;	54	use Digest::MD5;
22	use Fcntl;	55	use Fcntl;
		56	use YAML ();
23	use IO::AIO 2.32 ();	57	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	58	use Time::HiRes;
		59	use Compress::LZF;
		60	use Digest::MD5 ();
26		61
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		71
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		73
36	our %COMMAND = ();	74	our %COMMAND = ();
37	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
38		76
39	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
43		82
		83	our $RELOAD; # number of reloads so far
44	our @EVENT;	84	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		85
47	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	87	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	88	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	89	our $PODDIR = "$DATADIR/pod";
		90	our $MAPDIR = "$DATADIR/" . mapdir;
		91	our $LOCALDIR = localdir;
		92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		95	our $RANDOMDIR = "$LOCALDIR/random";
		96	our $BDBDIR = "$LOCALDIR/db";
		97	our %RESOURCE;
		98
		99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	101	our $NEXT_TICK;
52	our $NOW;	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
		106	our $BDB_TRICKLE_WATCHER;
		107	our $DB_ENV;
53		108
54	our %CFG;	109	our %CFG;
55		110
56	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
58		114
59	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	117	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		118
67	# used to convert map paths into valid unix filenames by replacing / by ∕	119	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		121
		122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		123	our $LOADAVG; # same thing, but with alpha-smoothing
		124	our $JITTER; # average jitter
		125	our $TICK_START; # for load detecting purposes
		126
70	binmode STDOUT;	127	binmode STDOUT;
71	binmode STDERR;	128	binmode STDERR;
72		129
73	# read virtual server time, if available	130	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	132	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	133	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	134	$RUNTIME = <$fh> + 0.;
78	}	135	}
79		136
80	mkdir cf::localdir;	137	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		139
86	our $EMERGENCY_POSITION;	140	our $EMERGENCY_POSITION;
		141
		142	sub cf::map::normalise;
87		143
88	#############################################################################	144	#############################################################################
89		145
90	=head2 GLOBAL VARIABLES	146	=head2 GLOBAL VARIABLES
91		147
…		…
98	=item $cf::RUNTIME	154	=item $cf::RUNTIME
99		155
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	156	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	157	every server tick.
102		158
103	=item $cf::LIBDIR	159	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		160	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		161	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		162
105	The perl library directory, where extensions and cf-specific modules can	163	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	164	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		165	unique-items directory, player file directory, random maps directory and
		166	database environment.
107		167
108	=item $cf::NOW	168	=item $cf::NOW
109		169
110	The time of the last (current) server tick.	170	The time of the last (current) server tick.
111		171
112	=item $cf::TICK	172	=item $cf::TICK
113		173
114	The interval between server ticks, in seconds.	174	The interval between server ticks, in seconds.
115		175
		176	=item $cf::LOADAVG
		177
		178	The current CPU load on the server (alpha-smoothed), as a value between 0
		179	(none) and 1 (overloaded), indicating how much time is spent on processing
		180	objects per tick. Healthy values are < 0.5.
		181
		182	=item $cf::LOAD
		183
		184	The raw value load value from the last tick.
		185
116	=item %cf::CFG	186	=item %cf::CFG
117		187
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	189	from wherever your confdir points to.
120		190
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		192
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	194	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	196
		197	=item @cf::INVOKE_RESULTS
		198
		199	This array contains the results of the last C<invoke ()> call. When
		200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		201	that call.
127		202
128	=back	203	=back
129		204
130	=cut	205	=cut
131		206
132	BEGIN {	207	BEGIN {
133	*CORE::GLOBAL::warn = sub {	208	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	209	my $msg = join "", @_;
135	utf8::encode $msg;
136		210
137	$msg .= "\n"	211	$msg .= "\n"
138	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
139		213
		214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		215
140	LOG llevError, $msg;	216	LOG llevError, $msg;
141	};	217	};
142	}	218	}
		219
		220	$Coro::State::DIEHOOK = sub {
		221	return unless $^S eq 0; # "eq", not "=="
		222
		223	if ($Coro::current == $Coro::main) {#d#
		224	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		225	return;#d#
		226	}#d#
		227
		228	# kill coroutine otherwise
		229	warn Carp::longmess $_[0];
		230	Coro::terminate
		231	};
		232
		233	$SIG{__DIE__} = sub { }; #d#?
143		234
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	239	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		240	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	241	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		242
151	# we bless all objects into (empty) derived classes to force a method lookup	243	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	244	# within the Safe compartment.
153	for my $pkg (qw(	245	for my $pkg (qw(
154	cf::global cf::attachable	246	cf::global cf::attachable
155	cf::object cf::object::player	247	cf::object cf::object::player
156	cf::client cf::player	248	cf::client cf::player
157	cf::arch cf::living	249	cf::arch cf::living
		250	cf::map cf::mapspace
158	cf::map cf::party cf::region	251	cf::party cf::region
159	)) {	252	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	254	}
163		255
164	$Event::DIED = sub {	256	$EV::DIED = sub {
165	warn "error in event callback: @_";	257	warn "error in event callback: @_";
166	};	258	};
		259
		260	#############################################################################
167		261
168	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
169		263
170	=over 4	264	=over 4
171		265
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	285	$d
192	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
193	}	287	}
194		288
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
198		290
199	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
200		292
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
209		294
210	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
211		296
212	=cut	297	=cut
213		298
214	sub to_json($) {	299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	300
216	JSON::Syck::Dump $_[0]	301	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	302	sub decode_json($) { $json_coder->decode ($_[0]) }
218		303
219	=item cf::lock_wait $string	304	=item cf::lock_wait $string
220		305
221	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
222		307
…		…
225	Wait until the given lock is available and then acquires it and returns	310	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	311	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
228	returned.	313	returned.
229		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
230	Lock names should begin with a unique identifier (for example, cf::map::find	318	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
232		320
		321	=item $locked = cf::lock_active $string
		322
		323	Return true if the lock is currently active, i.e. somebody has locked it.
		324
233	=cut	325	=cut
234		326
235	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
236		329
237	sub lock_wait($) {	330	sub lock_wait($) {
238	my ($key) = @_;	331	my ($key) = @_;
		332
		333	if ($LOCKER{$key} == $Coro::current) {#d#
		334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		335	return;#d#
		336	}#d#
239		337
240	# wait for lock, if any	338	# wait for lock, if any
241	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	341	Coro::schedule;
…		…
249		347
250	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
251	lock_wait $key;	349	lock_wait $key;
252		350
253	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
254		353
255	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
258	}	358	}
259	}	359	}
260		360
		361	sub lock_active($) {
		362	my ($key) = @_;
		363
		364	! ! $LOCK{$key}
		365	}
		366
261	sub freeze_mainloop {	367	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
263		369
264	my $guard = Coro::guard {	370	Coro::guard \&tick_inhibit_dec;
265	$TICK_WATCHER->start;	371	}
266	$WRITE_RUNTIME_WATCHER->start;	372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
267	};	431	}
268	$WRITE_RUNTIME_WATCHER->stop;	432	};
269	$TICK_WATCHER->stop;	433
270	$guard	434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
271	}	446	}
272		447
273	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
274		449
275	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		455
281	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
282		457
283	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
284		459
285	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
288		464
289	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
292	fast or be very important.	468	fast or be very important.
…		…
295		471
296	sub sync_job(&) {	472	sub sync_job(&) {
297	my ($job) = @_;	473	my ($job) = @_;
298		474
299	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
300	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
302		480
303	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	482
305	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
306		484
307	my $busy = 1;	485	my $busy = 1;
308	my @res;	486	my @res;
309		487
310	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	490	@res = eval { $job->() };
312	warn $@ if $@;	491	warn $@ if $@;
313	undef $busy;	492	undef $busy;
314	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
315		494
316	while ($busy) {	495	while ($busy) {
317	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
318	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
319		506
320	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
321	} else {	508	} else {
322	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
323		510
…		…
343	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
344		531
345	$coro	532	$coro
346	}	533	}
347		534
348	sub write_runtime {	535	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		536
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	Executes the given code block with the given arguments in a seperate
352	or return;	538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
353		541
354	my $value = $cf::RUNTIME + 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
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
553		907
554	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		912
559	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	914	my $pkg = shift @arg;
561		915
562	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
592	}	946	}
593		947
594	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
595	} else {	949	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	951	}
598		952
599	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
600	}	954	}
601		955
…		…
603	if (ref $_[0]) {	957	if (ref $_[0]) {
604	_object_attach @_;	958	_object_attach @_;
605	} else {	959	} else {
606	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
607	}	961	}
		962	_recalc_want;
608	};	963	};
609		964
610	# all those should be optimised	965	# all those should be optimised
611	sub cf::attachable::detach {	966	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
616	reattach ($obj);	971	reattach ($obj);
617	} else {	972	} else {
618	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
619	}	974	}
		975	_recalc_want;
620	};	976	};
621		977
622	sub cf::attachable::attached {	978	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
624		980
…		…
639	";	995	";
640	die if $@;	996	die if $@;
641	}	997	}
642		998
643	our $override;	999	our $override;
644	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?
645		1001
646	sub override {	1002	sub override {
647	$override = 1;	1003	$override = 1;
648	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
649	}	1005	}
650		1006
651	sub do_invoke {	1007	sub do_invoke {
652	my $event = shift;	1008	my $event = shift;
653	my $callbacks = shift;	1009	my $callbacks = shift;
654		1010
655	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
656		1012
657	local $override;	1013	local $override;
658		1014
659	for (@$callbacks) {	1015	for (@$callbacks) {
660	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
669	}	1025	}
670		1026
671	0	1027	0
672	}	1028	}
673		1029
674	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675		1031
676	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677		1033
678	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
679		1035
680	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
681	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
682	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		1039
684	=back	1040	=back
685		1041
686	=cut	1042	=cut
687		1043
688	#############################################################################	1044	#############################################################################
689	# 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, $ob2
		1087	}
690		1088
691	sub reattach {	1089	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	1091	my ($obj) = @_;
694		1092
		1093	# no longer needed after getting rid of delete_package?
695	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
696		1095
697	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
698		1097
699	@$registry = ();	1098	@$registry = ();
700		1099
…		…
715	cf::attachable->attach (	1114	cf::attachable->attach (
716	prio => -1000000,	1115	prio => -1000000,
717	on_instantiate => sub {	1116	on_instantiate => sub {
718	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
719		1118
720	$data = from_json $data;	1119	$data = decode_json $data;
721		1120
722	for (@$data) {	1121	for (@$data) {
723	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
724		1123
725	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
741	sub object_freezer_save {	1140	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
743		1142
744	sync_job {	1143	sync_job {
745	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
748		1148
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1152	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1153	aio_close $fh;
754		1154
755	if (@$objs) {	1155	if (@$objs) {
756	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) {
757	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1160	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1161	aio_close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
763	}	1163	}
764	} else {	1164	} else {
765	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
766	}	1166	}
…		…
771	}	1171	}
772	} else {	1172	} else {
773	aio_unlink $filename;	1173	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1174	aio_unlink "$filename.pst";
775	}	1175	}
776	}	1176	};
777	}	1177	}
778		1178
779	sub object_freezer_as_string {	1179	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1180	my ($rdata, $objs) = @_;
781		1181
…		…
793	or return;	1193	or return;
794		1194
795	unless (aio_stat "$filename.pst") {	1195	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1196	(aio_load "$filename.pst", $av) >= 0
797	or return;	1197	or return;
		1198
798	$av = eval { (Storable::thaw $av)->{objs} };	1199	my $st = eval { Coro::Storable::thaw $av };
		1200	$av = $st->{objs};
799	}	1201	}
800		1202
		1203	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1204	warn sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1205	$decname, length $data, scalar @{$av || []};
		1206
803	return ($data, $av);	1207	($data, $av)
804	}	1208	}
		1209
		1210	=head2 COMMAND CALLBACKS
		1211
		1212	=over 4
		1213
		1214	=cut
805		1215
806	#############################################################################	1216	#############################################################################
807	# command handling &c	1217	# command handling &c
808		1218
809	=item cf::register_command $name => \&callback($ob,$args);	1219	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1232	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1233	}
824		1234
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1235	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1236
827	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.
828		1242
829	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
830	called.	1244	called.
831		1245
		1246	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1247
		1248	Register a callback for execution when the client sends an (asynchronous)
		1249	exticmd packet. Exti commands are processed by the server as soon as they
		1250	are received, i.e. out of order w.r.t. other commands. The first argument
		1251	is a client socket. Exti commands can be received anytime, even before
		1252	log-in.
		1253
		1254	If the callback returns something, it is sent back as if reply was being
		1255	called.
		1256
832	=cut	1257	=cut
833		1258
834	sub register_extcmd {	1259	sub register_extcmd {
835	my ($name, $cb) = @_;	1260	my ($name, $cb) = @_;
836		1261
837	$EXTCMD{$name} = $cb;	1262	$EXTCMD{$name} = $cb;
		1263	}
		1264
		1265	sub register_exticmd {
		1266	my ($name, $cb) = @_;
		1267
		1268	$EXTICMD{$name} = $cb;
838	}	1269	}
839		1270
840	cf::player->attach (	1271	cf::player->attach (
841	on_command => sub {	1272	on_command => sub {
842	my ($pl, $name, $params) = @_;	1273	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1282	cf::override;
852	},	1283	},
853	on_extcmd => sub {	1284	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1285	my ($pl, $buf) = @_;
855		1286
856	my $msg = eval { from_json $buf };	1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1288
858	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
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1297	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1298	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1299	}
		1300
		1301	$pl->ext_reply ($reply, @reply)
		1302	if $reply;
		1303
864	} else {	1304	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1306	}
867		1307
868	cf::override;	1308	cf::override;
869	},	1309	},
870	);	1310	);
871		1311
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1312	sub load_extensions {
		1313	cf::sync_job {
		1314	my %todo;
		1315
907	for my $ext (<$LIBDIR/*.ext>) {	1316	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1317	next unless -r $path;
909	eval {	1318
910	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	$progress = 1;
911	1	1375	}
912	} or warn "$ext not loaded: $@";	1376
		1377	skip:
		1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1379	unless $progress;
		1380	}
913	}	1381	};
914	}	1382	}
915		1383
916	#############################################################################	1384	#############################################################################
917		1385
		1386	=back
		1387
918	=head2 CORE EXTENSIONS	1388	=head2 CORE EXTENSIONS
919		1389
920	Functions and methods that extend core crossfire objects.	1390	Functions and methods that extend core crossfire objects.
921		1391
922	=cut	1392	=cut
…		…
927		1397
928	=head3 cf::player	1398	=head3 cf::player
929		1399
930	=over 4	1400	=over 4
931		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
932	=item cf::player::find $login	1416	=item cf::player::find $login
933		1417
934	Returns the given player object, loading it if necessary (might block).	1418	Returns the given player object, loading it if necessary (might block).
935		1419
936	=cut	1420	=cut
937		1421
938	sub playerdir($) {	1422	sub playerdir($) {
939	cf::localdir	1423	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1424	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1425	}
945		1426
946	sub path($) {	1427	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1428	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1429
949	(playerdir $login) . "/$login.pl"	1430	(playerdir $login) . "/playerdata"
950	}	1431	}
951		1432
952	sub find_active($) {	1433	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1434	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1435	and $cf::PLAYER{$_[0]}->active
…		…
957		1438
958	sub exists($) {	1439	sub exists($) {
959	my ($login) = @_;	1440	my ($login) = @_;
960		1441
961	$cf::PLAYER{$login}	1442	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1443	or cf::sync_job { !aio_stat path $login }
963	}	1444	}
964		1445
965	sub find($) {	1446	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1447	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1448	my $login = $_[0];
968		1449
969	my $guard = cf::lock_acquire "user_find:$login";	1450	my $guard = cf::lock_acquire "user_find:$login";
970		1451
971	$cf::PLAYER{$_[0]} || do {	1452	$cf::PLAYER{$_[0]} || do {
972	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
973	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;
974	$cf::PLAYER{$login} = $pl	1468	$cf::PLAYER{$login} = $pl
975	}	1469	}
976	}	1470	}
977	}	1471	}
978		1472
…		…
987	return if $pl->{deny_save};	1481	return if $pl->{deny_save};
988		1482
989	aio_mkdir playerdir $pl, 0770;	1483	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1484	$pl->{last_save} = $cf::RUNTIME;
991		1485
		1486	cf::get_slot 0.01;
		1487
992	$pl->save_pl ($path);	1488	$pl->save_pl ($path);
993	Coro::cede;	1489	cf::cede_to_tick;
994	}	1490	}
995		1491
996	sub new($) {	1492	sub new($) {
997	my ($login) = @_;	1493	my ($login) = @_;
998		1494
…		…
1004	$cf::PLAYER{$login} = $self;	1500	$cf::PLAYER{$login} = $self;
1005		1501
1006	$self	1502	$self
1007	}	1503	}
1008		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
1009	=item $pl->quit_character	1515	=item $pl->quit_character
1010		1516
1011	Nukes the player without looking back. If logged in, the connection will	1517	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1518	be destroyed. May block for a long time.
1013		1519
1014	=cut	1520	=cut
1015		1521
1016	sub quit_character {	1522	sub quit_character {
1017	my ($pl) = @_;	1523	my ($pl) = @_;
1018		1524
		1525	my $name = $pl->ob->name;
		1526
1019	$pl->{deny_save} = 1;	1527	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1528	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1021		1529
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1023	$pl->deactivate;	1531	$pl->deactivate;
		1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1533	$pl->ob->check_score;
1024	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1025	$pl->ns->destroy if $pl->ns;	1535	$pl->ns->destroy if $pl->ns;
1026		1536
1027	my $path = playerdir $pl;	1537	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1538	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1539	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1540	delete $cf::PLAYER{$pl->ob->name};
1031	$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
1032	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;
1033	}	1563	}
1034		1564
1035	=item cf::player::list_logins	1565	=item cf::player::list_logins
1036		1566
1037	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
1038	while and may block, so not sync_job-capable, ever.	1568	while and may block, so not sync_job-capable, ever.
1039		1569
1040	=cut	1570	=cut
1041		1571
1042	sub list_logins {	1572	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1573	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1574	or return [];
1045		1575
1046	my @logins;	1576	my @logins;
1047		1577
1048	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") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1584	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1585	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1586	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1587	}
1052		1588
1053	utf8::decode $login;	1589	utf8::decode $login;
1054	push @logins, $login;	1590	push @logins, $login;
1055	}	1591	}
1056		1592
…		…
1064		1600
1065	=cut	1601	=cut
1066		1602
1067	sub maps($) {	1603	sub maps($) {
1068	my ($pl) = @_;	1604	my ($pl) = @_;
		1605
		1606	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1607
1070	my $files = aio_readdir playerdir $pl	1608	my $files = aio_readdir playerdir $pl
1071	or return;	1609	or return;
1072		1610
1073	my @paths;	1611	my @paths;
…		…
1075	for (@$files) {	1613	for (@$files) {
1076	utf8::decode $_;	1614	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1615	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1616	next unless /^$PATH_SEP/o;
1079		1617
1080	s/\.map$//;	1618	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1619	}
1083		1620
1084	\@paths	1621	\@paths
1085	}	1622	}
1086		1623
		1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1625
		1626	Expand crossfire pod fragments into protocol xml.
		1627
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1628	=item $player->ext_reply ($msgid, @msg)
1088		1629
1089	Sends an ext reply to the player.	1630	Sends an ext reply to the player.
1090		1631
1091	=cut	1632	=cut
1092		1633
1093	sub ext_reply($$$%) {	1634	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1635	my ($self, $id, @msg) = @_;
1095		1636
1096	$msg{msgid} = $id;	1637	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1638	}
1100		1639
1101	package cf;	1640	=item $player->ext_msg ($type, @msg)
		1641
		1642	Sends an ext event to the client.
		1643
		1644	=cut
		1645
		1646	sub ext_msg($$@) {
		1647	my ($self, $type, @msg) = @_;
		1648
		1649	$self->ns->ext_msg ($type, @msg);
		1650	}
		1651
		1652	=head3 cf::region
		1653
		1654	=over 4
		1655
		1656	=cut
		1657
		1658	package cf::region;
		1659
		1660	=item cf::region::find_by_path $path
		1661
		1662	Tries to decuce the likely region for a map knowing only its path.
		1663
		1664	=cut
		1665
		1666	sub find_by_path($) {
		1667	my ($path) = @_;
		1668
		1669	my ($match, $specificity);
		1670
		1671	for my $region (list) {
		1672	if ($region->{match} && $path =~ $region->{match}) {
		1673	($match, $specificity) = ($region, $region->specificity)
		1674	if $region->specificity > $specificity;
		1675	}
		1676	}
		1677
		1678	$match
		1679	}
1102		1680
1103	=back	1681	=back
1104
1105		1682
1106	=head3 cf::map	1683	=head3 cf::map
1107		1684
1108	=over 4	1685	=over 4
1109		1686
…		…
1121	our $MAX_RESET = 3600;	1698	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1699	our $DEFAULT_RESET = 3000;
1123		1700
1124	sub generate_random_map {	1701	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1702	my ($self, $rmp) = @_;
		1703
		1704	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1126		1705
1127	# mit "rum" bekleckern, nicht	1706	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1707	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1708	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1709	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1717	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1718	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1719	)
1141	}	1720	}
1142		1721
		1722	=item cf::map->register ($regex, $prio)
		1723
		1724	Register a handler for the map path matching the given regex at the
		1725	givne priority (higher is better, built-in handlers have priority 0, the
		1726	default).
		1727
		1728	=cut
		1729
1143	sub register {	1730	sub register {
1144	my (undef, $regex) = @_;	1731	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1732	my $pkg = caller;
1146		1733
1147	no strict;	1734	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1735	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1736
1150	$EXT_MAP{$pkg} = qr<$regex>;	1737	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1738	}
1152		1739
1153	# also paths starting with '/'	1740	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1741	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1155		1742
1156	sub thawer_merge {	1743	sub thawer_merge {
1157	my ($self, $merge) = @_;	1744	my ($self, $merge) = @_;
1158		1745
1159	# we have to keep some variables in memory intact	1746	# we have to keep some variables in memory intact
1160	local $self->{path};	1747	local $self->{path};
1161	local $self->{load_path};	1748	local $self->{load_path};
1162	local $self->{deny_save};
1163	local $self->{deny_reset};
1164		1749
1165	$self->SUPER::thawer_merge ($merge);	1750	$self->SUPER::thawer_merge ($merge);
1166	}	1751	}
1167		1752
1168	sub normalise {	1753	sub normalise {
1169	my ($path, $base) = @_;	1754	my ($path, $base) = @_;
		1755
		1756	$path = "$path"; # make sure its a string
		1757
		1758	$path =~ s/\.map$//;
1170		1759
1171	# map plan:	1760	# map plan:
1172	#	1761	#
1173	# /! non-realised random map exit (special hack!)	1762	# /! non-realised random map exit (special hack!)
1174	# {... are special paths that are not being touched	1763	# {... are special paths that are not being touched
…		…
1202		1791
1203	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1792	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1204		1793
1205	$path = normalise $path, $base;	1794	$path = normalise $path, $base;
1206		1795
1207	for my $pkg (keys %EXT_MAP) {	1796	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1208	if ($path =~ $EXT_MAP{$pkg}) {	1797	if ($path =~ $EXT_MAP{$pkg}[1]) {
1209	my $self = bless cf::map::new, $pkg;	1798	my $self = bless cf::map::new, $pkg;
1210	$self->{path} = $path; $self->path ($path);	1799	$self->{path} = $path; $self->path ($path);
1211	$self->init; # pass $1 etc.	1800	$self->init; # pass $1 etc.
1212	return $self;	1801	return $self;
1213	}	1802	}
1214	}	1803	}
1215		1804
1216	Carp::carp "unable to resolve path '$path'.";	1805	Carp::cluck "unable to resolve path '$path' (base '$base').";
1217	()	1806	()
1218	}	1807	}
1219		1808
1220	sub init {	1809	sub init {
1221	my ($self) = @_;	1810	my ($self) = @_;
…		…
1236		1825
1237	# the original (read-only) location	1826	# the original (read-only) location
1238	sub load_path {	1827	sub load_path {
1239	my ($self) = @_;	1828	my ($self) = @_;
1240		1829
1241	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1830	"$MAPDIR/$self->{path}.map"
1242	}	1831	}
1243		1832
1244	# the temporary/swap location	1833	# the temporary/swap location
1245	sub save_path {	1834	sub save_path {
1246	my ($self) = @_;	1835	my ($self) = @_;
1247		1836
1248	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1837	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1249	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1838	"$TMPDIR/$path.map"
1250	}	1839	}
1251		1840
1252	# the unique path, undef == no special unique path	1841	# the unique path, undef == no special unique path
1253	sub uniq_path {	1842	sub uniq_path {
1254	my ($self) = @_;	1843	my ($self) = @_;
1255		1844
1256	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1845	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1257	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1846	"$UNIQUEDIR/$path"
1258	}	1847	}
1259		1848
1260	# and all this just because we cannot iterate over	1849	# and all this just because we cannot iterate over
1261	# all maps in C++...	1850	# all maps in C++...
1262	sub change_all_map_light {	1851	sub change_all_map_light {
…		…
1264		1853
1265	$_->change_map_light ($change)	1854	$_->change_map_light ($change)
1266	for grep $_->outdoor, values %cf::MAP;	1855	for grep $_->outdoor, values %cf::MAP;
1267	}	1856	}
1268		1857
		1858	sub decay_objects {
		1859	my ($self) = @_;
		1860
		1861	return if $self->{deny_reset};
		1862
		1863	$self->do_decay_objects;
		1864	}
		1865
1269	sub unlink_save {	1866	sub unlink_save {
1270	my ($self) = @_;	1867	my ($self) = @_;
1271		1868
1272	utf8::encode (my $save = $self->save_path);	1869	utf8::encode (my $save = $self->save_path);
1273	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1870	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1276		1873
1277	sub load_header_from($) {	1874	sub load_header_from($) {
1278	my ($self, $path) = @_;	1875	my ($self, $path) = @_;
1279		1876
1280	utf8::encode $path;	1877	utf8::encode $path;
1281	aio_open $path, O_RDONLY, 0	1878	my $f = new_from_file cf::object::thawer $path
1282	or return;	1879	or return;
1283		1880
1284	$self->_load_header ($path)	1881	$self->_load_header ($f)
1285	or return;	1882	or return;
1286		1883
		1884	local $MAP_LOADING{$self->{path}} = $self;
		1885	$f->resolve_delayed_derefs;
		1886
1287	$self->{load_path} = $path;	1887	$self->{load_path} = $path;
1288		1888
1289	1	1889	1
1290	}	1890	}
1291		1891
1292	sub load_orig {	1892	sub load_header_orig {
1293	my ($self) = @_;	1893	my ($self) = @_;
1294		1894
1295	$self->load_header_from ($self->load_path)	1895	$self->load_header_from ($self->load_path)
1296	}	1896	}
1297		1897
1298	sub load_temp {	1898	sub load_header_temp {
1299	my ($self) = @_;	1899	my ($self) = @_;
1300		1900
1301	$self->load_header_from ($self->save_path)	1901	$self->load_header_from ($self->save_path)
		1902	}
		1903
		1904	sub prepare_temp {
		1905	my ($self) = @_;
		1906
		1907	$self->last_access ((delete $self->{last_access})
		1908	|| $cf::RUNTIME); #d#
		1909	# safety
		1910	$self->{instantiate_time} = $cf::RUNTIME
		1911	if $self->{instantiate_time} > $cf::RUNTIME;
		1912	}
		1913
		1914	sub prepare_orig {
		1915	my ($self) = @_;
		1916
		1917	$self->{load_original} = 1;
		1918	$self->{instantiate_time} = $cf::RUNTIME;
		1919	$self->last_access ($cf::RUNTIME);
		1920	$self->instantiate;
1302	}	1921	}
1303		1922
1304	sub load_header {	1923	sub load_header {
1305	my ($self) = @_;	1924	my ($self) = @_;
1306		1925
1307	if ($self->load_temp) {	1926	if ($self->load_header_temp) {
1308	$self->last_access ((delete $self->{last_access})	1927	$self->prepare_temp;
1309	|| $cf::RUNTIME); #d#
1310	# safety
1311	$self->{instantiate_time} = $cf::RUNTIME
1312	if $self->{instantiate_time} > $cf::RUNTIME;
1313	} else {	1928	} else {
1314	$self->load_orig	1929	$self->load_header_orig
1315	or return;	1930	or return;
1316		1931	$self->prepare_orig;
1317	$self->{load_original} = 1;
1318	$self->{instantiate_time} = $cf::RUNTIME;
1319	$self->last_access ($cf::RUNTIME);
1320	$self->instantiate;
1321	}	1932	}
		1933
		1934	$self->{deny_reset} = 1
		1935	if $self->no_reset;
		1936
		1937	$self->default_region (cf::region::find_by_path $self->{path})
		1938	unless $self->default_region;
1322		1939
1323	1	1940	1
1324	}	1941	}
1325		1942
1326	sub find;	1943	sub find;
1327	sub find {	1944	sub find {
1328	my ($path, $origin) = @_;	1945	my ($path, $origin) = @_;
1329		1946
1330	$path = normalise $path, $origin && $origin->path;	1947	$path = normalise $path, $origin && $origin->path;
1331		1948
		1949	cf::lock_wait "map_data:$path";#d#remove
1332	cf::lock_wait "map_find:$path";	1950	cf::lock_wait "map_find:$path";
1333		1951
1334	$cf::MAP{$path} || do {	1952	$cf::MAP{$path} || do {
		1953	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1335	my $guard = cf::lock_acquire "map_find:$path";	1954	my $guard2 = cf::lock_acquire "map_find:$path";
		1955
1336	my $map = new_from_path cf::map $path	1956	my $map = new_from_path cf::map $path
1337	or return;	1957	or return;
1338		1958
1339	$map->{last_save} = $cf::RUNTIME;	1959	$map->{last_save} = $cf::RUNTIME;
1340		1960
1341	$map->load_header	1961	$map->load_header
1342	or return;	1962	or return;
1343		1963
1344	if ($map->should_reset) {	1964	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1965	# doing this can freeze the server in a sync job, obviously
1345	$cf::WAIT_FOR_TICK->wait;	1966	#$cf::WAIT_FOR_TICK->wait;
		1967	undef $guard2;
		1968	undef $guard1;
1346	$map->reset;	1969	$map->reset;
1347	undef $guard;
1348	$map = find $path	1970	return find $path;
1349	or return;
1350	}	1971	}
1351		1972
1352	$cf::MAP{$path} = $map	1973	$cf::MAP{$path} = $map
1353	}	1974	}
1354	}	1975	}
		1976
		1977	sub pre_load { }
		1978	sub post_load { }
1355		1979
1356	sub load {	1980	sub load {
1357	my ($self) = @_;	1981	my ($self) = @_;
1358		1982
		1983	local $self->{deny_reset} = 1; # loading can take a long time
		1984
1359	my $path = $self->{path};	1985	my $path = $self->{path};
		1986
		1987	{
1360	my $guard = cf::lock_acquire "map_load:$path";	1988	my $guard = cf::lock_acquire "map_data:$path";
1361		1989
		1990	return unless $self->valid;
1362	return if $self->in_memory != cf::MAP_SWAPPED;	1991	return unless $self->in_memory == cf::MAP_SWAPPED;
1363		1992
1364	$self->in_memory (cf::MAP_LOADING);	1993	$self->in_memory (cf::MAP_LOADING);
1365		1994
1366	$self->alloc;	1995	$self->alloc;
1367	$self->_load_objects ($self->{load_path}, 1)	1996
		1997	$self->pre_load;
		1998	cf::cede_to_tick;
		1999
		2000	my $f = new_from_file cf::object::thawer $self->{load_path};
		2001	$f->skip_block;
		2002	$self->_load_objects ($f)
1368	or return;	2003	or return;
1369		2004
1370	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2005	$self->post_load_original
1371	if delete $self->{load_original};	2006	if delete $self->{load_original};
1372		2007
1373	if (my $uniq = $self->uniq_path) {	2008	if (my $uniq = $self->uniq_path) {
1374	utf8::encode $uniq;	2009	utf8::encode $uniq;
1375	if (aio_open $uniq, O_RDONLY, 0) {	2010	unless (aio_stat $uniq) {
		2011	if (my $f = new_from_file cf::object::thawer $uniq) {
1376	$self->clear_unique_items;	2012	$self->clear_unique_items;
1377	$self->_load_objects ($uniq, 0);	2013	$self->_load_objects ($f);
		2014	$f->resolve_delayed_derefs;
		2015	}
1378	}	2016	}
1379	}	2017	}
1380		2018
1381	Coro::cede;	2019	$f->resolve_delayed_derefs;
1382		2020
		2021	cf::cede_to_tick;
1383	# now do the right thing for maps	2022	# now do the right thing for maps
1384	$self->link_multipart_objects;	2023	$self->link_multipart_objects;
1385
1386	unless ($self->{deny_activate}) {
1387	$self->decay_objects;
1388	$self->fix_auto_apply;
1389	$self->update_buttons;
1390	Coro::cede;
1391	$self->set_darkness_map;
1392	$self->difficulty ($self->estimate_difficulty)	2024	$self->difficulty ($self->estimate_difficulty)
1393	unless $self->difficulty;	2025	unless $self->difficulty;
1394	Coro::cede;	2026	cf::cede_to_tick;
		2027
		2028	unless ($self->{deny_activate}) {
		2029	$self->decay_objects;
		2030	$self->fix_auto_apply;
		2031	$self->update_buttons;
		2032	cf::cede_to_tick;
		2033	$self->set_darkness_map;
		2034	cf::cede_to_tick;
1395	$self->activate;	2035	$self->activate;
1396	}	2036	}
1397		2037
		2038	$self->{last_save} = $cf::RUNTIME;
		2039	$self->last_access ($cf::RUNTIME);
		2040
1398	$self->in_memory (cf::MAP_IN_MEMORY);	2041	$self->in_memory (cf::MAP_ACTIVE);
		2042	}
		2043
		2044	$self->post_load;
1399	}	2045	}
1400		2046
1401	sub customise_for {	2047	sub customise_for {
1402	my ($self, $ob) = @_;	2048	my ($self, $ob) = @_;
1403		2049
1404	return find "~" . $ob->name . "/" . $self->{path}	2050	return find "~" . $ob->name . "/" . $self->{path}
1405	if $self->per_player;	2051	if $self->per_player;
1406		2052
		2053	# return find "?party/" . $ob->name . "/" . $self->{path}
		2054	# if $self->per_party;
		2055
1407	$self	2056	$self
1408	}	2057	}
1409		2058
1410	# find and load all maps in the 3x3 area around a map	2059	# find and load all maps in the 3x3 area around a map
1411	sub load_diag {	2060	sub load_neighbours {
1412	my ($map) = @_;	2061	my ($map) = @_;
1413		2062
1414	my @diag; # diagonal neighbours	2063	my @neigh; # diagonal neighbours
1415		2064
1416	for (0 .. 3) {	2065	for (0 .. 3) {
1417	my $neigh = $map->tile_path ($_)	2066	my $neigh = $map->tile_path ($_)
1418	or next;	2067	or next;
1419	$neigh = find $neigh, $map	2068	$neigh = find $neigh, $map
1420	or next;	2069	or next;
1421	$neigh->load;	2070	$neigh->load;
1422		2071
		2072	push @neigh,
1423	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2073	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1424	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2074	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1425	}	2075	}
1426		2076
1427	for (@diag) {	2077	for (grep defined $_->[0], @neigh) {
		2078	my ($path, $origin) = @$_;
1428	my $neigh = find @$_	2079	my $neigh = find $path, $origin
1429	or next;	2080	or next;
1430	$neigh->load;	2081	$neigh->load;
1431	}	2082	}
1432	}	2083	}
1433		2084
…		…
1438	}	2089	}
1439		2090
1440	sub do_load_sync {	2091	sub do_load_sync {
1441	my ($map) = @_;	2092	my ($map) = @_;
1442		2093
		2094	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2095	if $Coro::current == $Coro::main;
		2096
1443	cf::sync_job { $map->load };	2097	cf::sync_job { $map->load };
1444	}	2098	}
1445		2099
1446	our %MAP_PREFETCH;	2100	our %MAP_PREFETCH;
1447	our $MAP_PREFETCHER = Coro::async {	2101	our $MAP_PREFETCHER = undef;
1448	while () {
1449	for my $path (keys %MAP_PREFETCH) {
1450	my $map = find $path
1451	or next;
1452	$map->load;
1453
1454	delete $MAP_PREFETCH{$path};
1455	}
1456	Coro::schedule;
1457	}
1458	};
1459		2102
1460	sub find_async {	2103	sub find_async {
1461	my ($path, $origin) = @_;	2104	my ($path, $origin, $load) = @_;
1462		2105
1463	$path = normalise $path, $origin && $origin->{path};	2106	$path = normalise $path, $origin && $origin->{path};
1464		2107
1465	if (my $map = $cf::MAP{$path}) {	2108	if (my $map = $cf::MAP{$path}) {
1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2109	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2110	}
		2111
		2112	$MAP_PREFETCH{$path} |= $load;
		2113
		2114	$MAP_PREFETCHER ||= cf::async {
		2115	$Coro::current->{desc} = "map prefetcher";
		2116
		2117	while (%MAP_PREFETCH) {
		2118	while (my ($k, $v) = each %MAP_PREFETCH) {
		2119	if (my $map = find $k) {
		2120	$map->load if $v;
		2121	}
		2122
		2123	delete $MAP_PREFETCH{$k};
		2124	}
		2125	}
		2126	undef $MAP_PREFETCHER;
1467	}	2127	};
1468
1469	$MAP_PREFETCH{$path} = 0;
1470	$MAP_PREFETCHER->ready;	2128	$MAP_PREFETCHER->prio (6);
1471		2129
1472	()	2130	()
1473	}	2131	}
1474		2132
1475	sub save {	2133	sub save {
1476	my ($self) = @_;	2134	my ($self) = @_;
1477		2135
1478	my $lock = cf::lock_acquire "map_data:" . $self->path;	2136	my $lock = cf::lock_acquire "map_data:$self->{path}";
1479		2137
1480	$self->{last_save} = $cf::RUNTIME;	2138	$self->{last_save} = $cf::RUNTIME;
1481		2139
1482	return unless $self->dirty;	2140	return unless $self->dirty;
1483		2141
…		…
1489	return if $self->{deny_save};	2147	return if $self->{deny_save};
1490		2148
1491	local $self->{last_access} = $self->last_access;#d#	2149	local $self->{last_access} = $self->last_access;#d#
1492		2150
1493	cf::async {	2151	cf::async {
		2152	$Coro::current->{desc} = "map player save";
1494	$_->contr->save for $self->players;	2153	$_->contr->save for $self->players;
1495	};	2154	};
		2155
		2156	cf::get_slot 0.02;
1496		2157
1497	if ($uniq) {	2158	if ($uniq) {
1498	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2159	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1499	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2160	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1500	} else {	2161	} else {
…		…
1506	my ($self) = @_;	2167	my ($self) = @_;
1507		2168
1508	# save first because save cedes	2169	# save first because save cedes
1509	$self->save;	2170	$self->save;
1510		2171
1511	my $lock = cf::lock_acquire "map_data:" . $self->path;	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1512		2173
1513	return if $self->players;	2174	return if $self->players;
1514	return if $self->in_memory != cf::MAP_IN_MEMORY;	2175	return if $self->in_memory != cf::MAP_ACTIVE;
1515	return if $self->{deny_save};	2176	return if $self->{deny_save};
1516		2177
		2178	$self->in_memory (cf::MAP_SWAPPED);
		2179
		2180	$self->deactivate;
		2181	$_->clear_links_to ($self) for values %cf::MAP;
1517	$self->clear;	2182	$self->clear;
1518	$self->in_memory (cf::MAP_SWAPPED);
1519	}	2183	}
1520		2184
1521	sub reset_at {	2185	sub reset_at {
1522	my ($self) = @_;	2186	my ($self) = @_;
1523		2187
1524	# TODO: safety, remove and allow resettable per-player maps	2188	# TODO: safety, remove and allow resettable per-player maps
1525	return 1e99 if $self->isa ("ext::map_per_player");#d#
1526	return 1e99 if $self->{deny_reset};	2189	return 1e99 if $self->{deny_reset};
1527		2190
1528	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2191	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1529	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2192	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1530		2193
…		…
1541	my ($self) = @_;	2204	my ($self) = @_;
1542		2205
1543	my $lock = cf::lock_acquire "map_data:$self->{path}";	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		2207
1545	return if $self->players;	2208	return if $self->players;
1546	return if $self->isa ("ext::map_per_player");#d#
1547		2209
1548	warn "resetting map ", $self->path;#d#	2210	warn "resetting map ", $self->path;
		2211
		2212	$self->in_memory (cf::MAP_SWAPPED);
		2213
		2214	# need to save uniques path
		2215	unless ($self->{deny_save}) {
		2216	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2217
		2218	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2219	if $uniq;
		2220	}
1549		2221
1550	delete $cf::MAP{$self->path};	2222	delete $cf::MAP{$self->path};
1551		2223
1552	$self->in_memory (cf::MAP_SWAPPED);	2224	$self->deactivate;
		2225	$_->clear_links_to ($self) for values %cf::MAP;
1553	$self->clear;	2226	$self->clear;
1554
1555	$_->clear_links_to ($self) for values %cf::MAP;
1556		2227
1557	$self->unlink_save;	2228	$self->unlink_save;
1558	$self->destroy;	2229	$self->destroy;
1559	}	2230	}
1560		2231
1561	my $nuke_counter = "aaaa";	2232	my $nuke_counter = "aaaa";
1562		2233
1563	sub nuke {	2234	sub nuke {
1564	my ($self) = @_;	2235	my ($self) = @_;
1565		2236
		2237	{
		2238	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2239
1566	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
1567		2241
1568	$self->unlink_save;	2242	$self->unlink_save;
1569		2243
1570	bless $self, "cf::map";	2244	bless $self, "cf::map";
1571	delete $self->{deny_reset};	2245	delete $self->{deny_reset};
1572	$self->{deny_save} = 1;	2246	$self->{deny_save} = 1;
1573	$self->reset_timeout (1);	2247	$self->reset_timeout (1);
1574	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2248	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1575		2249
1576	$cf::MAP{$self->path} = $self;	2250	$cf::MAP{$self->path} = $self;
		2251	}
1577		2252
1578	$self->reset; # polite request, might not happen	2253	$self->reset; # polite request, might not happen
		2254	}
		2255
		2256	=item $maps = cf::map::tmp_maps
		2257
		2258	Returns an arrayref with all map paths of currently instantiated and saved
		2259	maps. May block.
		2260
		2261	=cut
		2262
		2263	sub tmp_maps() {
		2264	[
		2265	map {
		2266	utf8::decode $_;
		2267	/\.map$/
		2268	? normalise $_
		2269	: ()
		2270	} @{ aio_readdir $TMPDIR or [] }
		2271	]
		2272	}
		2273
		2274	=item $maps = cf::map::random_maps
		2275
		2276	Returns an arrayref with all map paths of currently instantiated and saved
		2277	random maps. May block.
		2278
		2279	=cut
		2280
		2281	sub random_maps() {
		2282	[
		2283	map {
		2284	utf8::decode $_;
		2285	/\.map$/
		2286	? normalise "?random/$_"
		2287	: ()
		2288	} @{ aio_readdir $RANDOMDIR or [] }
		2289	]
1579	}	2290	}
1580		2291
1581	=item cf::map::unique_maps	2292	=item cf::map::unique_maps
1582		2293
1583	Returns an arrayref of paths of all shared maps that have	2294	Returns an arrayref of paths of all shared maps that have
1584	instantiated unique items. May block.	2295	instantiated unique items. May block.
1585		2296
1586	=cut	2297	=cut
1587		2298
1588	sub unique_maps() {	2299	sub unique_maps() {
1589	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2300	[
1590	or return;	2301	map {
1591
1592	my @paths;
1593
1594	for (@$files) {
1595	utf8::decode $_;	2302	utf8::decode $_;
1596	next if /\.pst$/;	2303	s/\.map$//; # TODO future compatibility hack
1597	next unless /^$PATH_SEP/o;	2304	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1598		2305	? ()
1599	s/\.map$//;	2306	: normalise $_
1600	push @paths, $_;	2307	} @{ aio_readdir $UNIQUEDIR or [] }
1601	}	2308	]
1602
1603	\@paths
1604	}	2309	}
1605
1606	package cf;
1607		2310
1608	=back	2311	=back
1609		2312
1610	=head3 cf::object	2313	=head3 cf::object
1611		2314
…		…
1615		2318
1616	=over 4	2319	=over 4
1617		2320
1618	=item $ob->inv_recursive	2321	=item $ob->inv_recursive
1619		2322
1620	Returns the inventory of the object _and_ their inventories, recursively.	2323	Returns the inventory of the object I<and> their inventories, recursively,
		2324	but I<not> the object itself.
1621		2325
1622	=cut	2326	=cut
1623		2327
1624	sub inv_recursive_;	2328	sub inv_recursive_;
1625	sub inv_recursive_ {	2329	sub inv_recursive_ {
…		…
1628		2332
1629	sub inv_recursive {	2333	sub inv_recursive {
1630	inv_recursive_ inv $_[0]	2334	inv_recursive_ inv $_[0]
1631	}	2335	}
1632		2336
		2337	=item $ref = $ob->ref
		2338
		2339	Creates and returns a persistent reference to an object that can be stored as a string.
		2340
		2341	=item $ob = cf::object::deref ($refstring)
		2342
		2343	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2344	even if the object actually exists. May block.
		2345
		2346	=cut
		2347
		2348	sub deref {
		2349	my ($ref) = @_;
		2350
		2351	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2352	my ($uuid, $name) = ($1, $2);
		2353	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2354	or return;
		2355	$pl->ob->uuid eq $uuid
		2356	or return;
		2357
		2358	$pl->ob
		2359	} else {
		2360	warn "$ref: cannot resolve object reference\n";
		2361	undef
		2362	}
		2363	}
		2364
1633	package cf;	2365	package cf;
1634		2366
1635	=back	2367	=back
1636		2368
1637	=head3 cf::object::player	2369	=head3 cf::object::player
…		…
1643	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2375	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1644	can be C<undef>. Does the right thing when the player is currently in a	2376	can be C<undef>. Does the right thing when the player is currently in a
1645	dialogue with the given NPC character.	2377	dialogue with the given NPC character.
1646		2378
1647	=cut	2379	=cut
		2380
		2381	our $SAY_CHANNEL = {
		2382	id => "say",
		2383	title => "Map",
		2384	reply => "say ",
		2385	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2386	};
		2387
		2388	our $CHAT_CHANNEL = {
		2389	id => "chat",
		2390	title => "Chat",
		2391	reply => "chat ",
		2392	tooltip => "Player chat and shouts, global to the server.",
		2393	};
1648		2394
1649	# rough implementation of a future "reply" method that works	2395	# rough implementation of a future "reply" method that works
1650	# with dialog boxes.	2396	# with dialog boxes.
1651	#TODO: the first argument must go, split into a $npc->reply_to ( method	2397	#TODO: the first argument must go, split into a $npc->reply_to ( method
1652	sub cf::object::player::reply($$$;$) {	2398	sub cf::object::player::reply($$$;$) {
…		…
1654		2400
1655	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2401	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1656		2402
1657	if ($self->{record_replies}) {	2403	if ($self->{record_replies}) {
1658	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2404	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2405
1659	} else {	2406	} else {
		2407	my $pl = $self->contr;
		2408
		2409	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2410	my $dialog = $pl->{npc_dialog};
		2411	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2412
		2413	} else {
1660	$msg = $npc->name . " says: $msg" if $npc;	2414	$msg = $npc->name . " says: $msg" if $npc;
1661	$self->message ($msg, $flags);	2415	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2416	}
1662	}	2417	}
		2418	}
		2419
		2420	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2421
		2422	=cut
		2423
		2424	sub cf::object::send_msg {
		2425	my $pl = shift->contr
		2426	or return;
		2427	$pl->send_msg (@_);
1663	}	2428	}
1664		2429
1665	=item $player_object->may ("access")	2430	=item $player_object->may ("access")
1666		2431
1667	Returns wether the given player is authorized to access resource "access"	2432	Returns wether the given player is authorized to access resource "access"
…		…
1699	=cut	2464	=cut
1700		2465
1701	sub link_map {	2466	sub link_map {
1702	unless ($LINK_MAP) {	2467	unless ($LINK_MAP) {
1703	$LINK_MAP = cf::map::find "{link}"	2468	$LINK_MAP = cf::map::find "{link}"
1704	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2469	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1705	$LINK_MAP->load;	2470	$LINK_MAP->load;
1706	}	2471	}
1707		2472
1708	$LINK_MAP	2473	$LINK_MAP
1709	}	2474	}
…		…
1714	$self->deactivate_recursive;	2479	$self->deactivate_recursive;
1715		2480
1716	return if UNIVERSAL::isa $self->map, "ext::map_link";	2481	return if UNIVERSAL::isa $self->map, "ext::map_link";
1717		2482
1718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2483	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1719	if $self->map;	2484	if $self->map && $self->map->{path} ne "{link}";
1720		2485
1721	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2486	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1722	}	2487	}
1723		2488
1724	sub cf::object::player::leave_link {	2489	sub cf::object::player::leave_link {
1725	my ($self, $map, $x, $y) = @_;	2490	my ($self, $map, $x, $y) = @_;
		2491
		2492	return unless $self->contr->active;
1726		2493
1727	my $link_pos = delete $self->{_link_pos};	2494	my $link_pos = delete $self->{_link_pos};
1728		2495
1729	unless ($map) {	2496	unless ($map) {
1730	# restore original map position	2497	# restore original map position
…		…
1744	# use -1 or undef as default coordinates, not 0, 0	2511	# use -1 or undef as default coordinates, not 0, 0
1745	($x, $y) = ($map->enter_x, $map->enter_y)	2512	($x, $y) = ($map->enter_x, $map->enter_y)
1746	if $x <=0 && $y <= 0;	2513	if $x <=0 && $y <= 0;
1747		2514
1748	$map->load;	2515	$map->load;
1749	$map->load_diag;	2516	$map->load_neighbours;
1750		2517
1751	return unless $self->contr->active;	2518	return unless $self->contr->active;
1752	$self->activate_recursive;	2519	$self->activate_recursive;
		2520
		2521	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1753	$self->enter_map ($map, $x, $y);	2522	$self->enter_map ($map, $x, $y);
1754	}	2523	}
1755		2524
1756	cf::player->attach (	2525	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1757	on_logout => sub {
1758	my ($pl) = @_;
1759		2526
1760	# abort map switching before logout	2527	Moves the player to the given map-path and coordinates by first freezing
1761	if ($pl->ob->{_link_pos}) {	2528	her, loading and preparing them map, calling the provided $check callback
1762	cf::sync_job {	2529	that has to return the map if sucecssful, and then unfreezes the player on
1763	$pl->ob->leave_link	2530	the new (success) or old (failed) map position. In either case, $done will
1764	};	2531	be called at the end of this process.
1765	}
1766	},
1767	on_login => sub {
1768	my ($pl) = @_;
1769		2532
1770	# try to abort aborted map switching on player login :)	2533	Note that $check will be called with a potentially non-loaded map, so if
1771	# should happen only on crashes	2534	it needs a loaded map it has to call C<< ->load >>.
1772	if ($pl->ob->{_link_pos}) {
1773	$pl->ob->enter_link;
1774	(async {
1775	# we need this sleep as the login has a concurrent enter_exit running
1776	# and this sleep increases chances of the player not ending up in scorn
1777	$pl->ob->reply (undef,
1778	"There was an internal problem at your last logout, "
1779	. "the server will try to bring you to your intended destination in a second.",
1780	cf::NDI_RED);
1781	Coro::Timer::sleep 1;
1782	$pl->ob->leave_link;
1783	})->prio (2);
1784	}
1785	},
1786	);
1787		2535
1788	=item $player_object->goto ($path, $x, $y)
1789
1790	=cut	2536	=cut
		2537
		2538	our $GOTOGEN;
1791		2539
1792	sub cf::object::player::goto {	2540	sub cf::object::player::goto {
1793	my ($self, $path, $x, $y) = @_;	2541	my ($self, $path, $x, $y, $check, $done) = @_;
		2542
		2543	# do generation counting so two concurrent goto's will be executed in-order
		2544	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1794		2545
1795	$self->enter_link;	2546	$self->enter_link;
1796		2547
1797	(async {	2548	(async {
1798	my $map = cf::map::find $path;	2549	$Coro::current->{desc} = "player::goto $path $x $y";
		2550
		2551	# *tag paths override both path and x|y
		2552	if ($path =~ /^\*(.*)$/) {
		2553	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2554	my $ob = $obs[rand @obs];
		2555
		2556	# see if we actually can go there
		2557	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2558	$ob = $obs[rand @obs];
		2559	} else {
		2560	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2561	}
		2562	# else put us there anyways for now #d#
		2563
		2564	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2565	} else {
		2566	($path, $x, $y) = (undef, undef, undef);
		2567	}
		2568	}
		2569
		2570	my $map = eval {
		2571	my $map = defined $path ? cf::map::find $path : undef;
		2572
		2573	if ($map) {
1799	$map = $map->customise_for ($self) if $map;	2574	$map = $map->customise_for ($self);
1800		2575	$map = $check->($map) if $check && $map;
1801	# warn "entering ", $map->path, " at ($x, $y)\n"	2576	} else {
1802	# if $map;
1803
1804	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2577	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2578	}
1805		2579
		2580	$map
		2581	};
		2582
		2583	if ($@) {
		2584	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2585	LOG llevError | logBacktrace, Carp::longmess $@;
		2586	}
		2587
		2588	if ($gen == $self->{_goto_generation}) {
		2589	delete $self->{_goto_generation};
1806	$self->leave_link ($map, $x, $y);	2590	$self->leave_link ($map, $x, $y);
		2591	}
		2592
		2593	$done->() if $done;
1807	})->prio (1);	2594	})->prio (1);
1808	}	2595	}
1809		2596
1810	=item $player_object->enter_exit ($exit_object)	2597	=item $player_object->enter_exit ($exit_object)
1811		2598
…		…
1813		2600
1814	sub parse_random_map_params {	2601	sub parse_random_map_params {
1815	my ($spec) = @_;	2602	my ($spec) = @_;
1816		2603
1817	my $rmp = { # defaults	2604	my $rmp = { # defaults
1818	xsize => 10,	2605	xsize => (cf::rndm 15, 40),
1819	ysize => 10,	2606	ysize => (cf::rndm 15, 40),
		2607	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2608	#layout => string,
1820	};	2609	};
1821		2610
1822	for (split /\n/, $spec) {	2611	for (split /\n/, $spec) {
1823	my ($k, $v) = split /\s+/, $_, 2;	2612	my ($k, $v) = split /\s+/, $_, 2;
1824		2613
…		…
1836	# that depends on the exit object	2625	# that depends on the exit object
1837		2626
1838	my $rmp = parse_random_map_params $exit->msg;	2627	my $rmp = parse_random_map_params $exit->msg;
1839		2628
1840	if ($exit->map) {	2629	if ($exit->map) {
1841	$rmp->{region} = $exit->map->region_name;	2630	$rmp->{region} = $exit->region->name;
1842	$rmp->{origin_map} = $exit->map->path;	2631	$rmp->{origin_map} = $exit->map->path;
1843	$rmp->{origin_x} = $exit->x;	2632	$rmp->{origin_x} = $exit->x;
1844	$rmp->{origin_y} = $exit->y;	2633	$rmp->{origin_y} = $exit->y;
		2634
		2635	$exit->map->touch;
1845	}	2636	}
1846		2637
1847	$rmp->{random_seed} ||= $exit->random_seed;	2638	$rmp->{random_seed} ||= $exit->random_seed;
1848		2639
1849	my $data = cf::to_json $rmp;	2640	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1850	my $md5 = Digest::MD5::md5_hex $data;	2641	my $md5 = Digest::MD5::md5_hex $data;
1851	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2642	my $meta = "$RANDOMDIR/$md5.meta";
1852		2643
1853	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2644	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1854	aio_write $fh, 0, (length $data), $data, 0;	2645	aio_write $fh, 0, (length $data), $data, 0;
1855	undef $fh;	2646	undef $fh;
1856	aio_rename "$meta~", $meta;	2647	aio_rename "$meta~", $meta;
1857		2648
		2649	my $slaying = "?random/$md5";
		2650
		2651	if ($exit->valid) {
1858	$exit->slaying ("?random/$md5");	2652	$exit->slaying ("?random/$md5");
1859	$exit->msg (undef);	2653	$exit->msg (undef);
		2654	}
1860	}	2655	}
1861	}	2656	}
1862		2657
1863	sub cf::object::player::enter_exit {	2658	sub cf::object::player::enter_exit {
1864	my ($self, $exit) = @_;	2659	my ($self, $exit) = @_;
…		…
1866	return unless $self->type == cf::PLAYER;	2661	return unless $self->type == cf::PLAYER;
1867		2662
1868	$self->enter_link;	2663	$self->enter_link;
1869		2664
1870	(async {	2665	(async {
1871	$self->deactivate_recursive; # just to be sure	2666	$Coro::current->{desc} = "enter_exit";
		2667
1872	unless (eval {	2668	unless (eval {
		2669	$self->deactivate_recursive; # just to be sure
		2670
		2671	# random map handling
		2672	{
		2673	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2674
1873	prepare_random_map $exit	2675	prepare_random_map $exit
1874	if $exit->slaying eq "/!";	2676	if $exit->slaying eq "/!";
		2677	}
1875		2678
1876	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2679	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1877	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2680	my $x = $exit->stats->hp;
		2681	my $y = $exit->stats->sp;
1878		2682
		2683	$self->goto ($map, $x, $y);
		2684
		2685	# if exit is damned, update players death & WoR home-position
		2686	$self->contr->savebed ($map, $x, $y)
		2687	if $exit->flag (cf::FLAG_DAMNED);
		2688
1879	1;	2689	1
1880	}) {	2690	}) {
1881	$self->message ("Something went wrong deep within the crossfire server. "	2691	$self->message ("Something went wrong deep within the crossfire server. "
1882	. "I'll try to bring you back to the map you were before. "	2692	. "I'll try to bring you back to the map you were before. "
1883	. "Please report this to the dungeon master!",	2693	. "Please report this to the dungeon master!",
1884	cf::NDI_UNIQUE | cf::NDI_RED);	2694	cf::NDI_UNIQUE | cf::NDI_RED);
1885		2695
1886	warn "ERROR in enter_exit: $@";	2696	warn "ERROR in enter_exit: $@";
1887	$self->leave_link;	2697	$self->leave_link;
1888	}	2698	}
1889	})->prio (1);	2699	})->prio (1);
…		…
1902		2712
1903	sub cf::client::send_drawinfo {	2713	sub cf::client::send_drawinfo {
1904	my ($self, $text, $flags) = @_;	2714	my ($self, $text, $flags) = @_;
1905		2715
1906	utf8::encode $text;	2716	utf8::encode $text;
1907	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2717	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1908	}	2718	}
1909		2719
		2720	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2721
		2722	Send a drawinfo or msg packet to the client, formatting the msg for the
		2723	client if neccessary. C<$type> should be a string identifying the type of
		2724	the message, with C<log> being the default. If C<$color> is negative, suppress
		2725	the message unless the client supports the msg packet.
		2726
		2727	=cut
		2728
		2729	# non-persistent channels (usually the info channel)
		2730	our %CHANNEL = (
		2731	"c/identify" => {
		2732	id => "infobox",
		2733	title => "Identify",
		2734	reply => undef,
		2735	tooltip => "Items recently identified",
		2736	},
		2737	"c/examine" => {
		2738	id => "infobox",
		2739	title => "Examine",
		2740	reply => undef,
		2741	tooltip => "Signs and other items you examined",
		2742	},
		2743	"c/book" => {
		2744	id => "infobox",
		2745	title => "Book",
		2746	reply => undef,
		2747	tooltip => "The contents of a note or book",
		2748	},
		2749	"c/lookat" => {
		2750	id => "infobox",
		2751	title => "Look",
		2752	reply => undef,
		2753	tooltip => "What you saw there",
		2754	},
		2755	"c/who" => {
		2756	id => "infobox",
		2757	title => "Players",
		2758	reply => undef,
		2759	tooltip => "Shows players who are currently online",
		2760	},
		2761	"c/body" => {
		2762	id => "infobox",
		2763	title => "Body Parts",
		2764	reply => undef,
		2765	tooltip => "Shows which body parts you posess and are available",
		2766	},
		2767	"c/uptime" => {
		2768	id => "infobox",
		2769	title => "Uptime",
		2770	reply => undef,
		2771	tooltip => "How long the server has been running since last restart",
		2772	},
		2773	"c/mapinfo" => {
		2774	id => "infobox",
		2775	title => "Map Info",
		2776	reply => undef,
		2777	tooltip => "Information related to the maps",
		2778	},
		2779	"c/party" => {
		2780	id => "party",
		2781	title => "Party",
		2782	reply => "gsay ",
		2783	tooltip => "Messages and chat related to your party",
		2784	},
		2785	);
		2786
		2787	sub cf::client::send_msg {
		2788	my ($self, $channel, $msg, $color, @extra) = @_;
		2789
		2790	$msg = $self->pl->expand_cfpod ($msg);
		2791
		2792	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2793
		2794	# check predefined channels, for the benefit of C
		2795	if ($CHANNEL{$channel}) {
		2796	$channel = $CHANNEL{$channel};
		2797
		2798	$self->ext_msg (channel_info => $channel)
		2799	if $self->can_msg;
		2800
		2801	$channel = $channel->{id};
		2802
		2803	} elsif (ref $channel) {
		2804	# send meta info to client, if not yet sent
		2805	unless (exists $self->{channel}{$channel->{id}}) {
		2806	$self->{channel}{$channel->{id}} = $channel;
		2807	$self->ext_msg (channel_info => $channel)
		2808	if $self->can_msg;
		2809	}
		2810
		2811	$channel = $channel->{id};
		2812	}
		2813
		2814	return unless @extra || length $msg;
		2815
		2816	if ($self->can_msg) {
		2817	# default colour, mask it out
		2818	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2819	if $color & cf::NDI_DEF;
		2820
		2821	my $pkt = "msg "
		2822	. $self->{json_coder}->encode (
		2823	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2824	);
		2825
		2826	# try lzf for large packets
		2827	$pkt = "lzf " . Compress::LZF::compress $pkt
		2828	if 1024 <= length $pkt and $self->{can_lzf};
		2829
		2830	# split very large packets
		2831	if (8192 < length $pkt and $self->{can_lzf}) {
		2832	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2833	$pkt = "frag";
		2834	}
		2835
		2836	$self->send_packet ($pkt);
		2837	} else {
		2838	if ($color >= 0) {
		2839	# replace some tags by gcfclient-compatible ones
		2840	for ($msg) {
		2841	1 while
		2842	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2843	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2844	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2845	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2846	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2847	}
		2848
		2849	$color &= cf::NDI_COLOR_MASK;
		2850
		2851	utf8::encode $msg;
		2852
		2853	if (0 && $msg =~ /\[/) {
		2854	# COMMAND/INFO
		2855	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2856	} else {
		2857	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2858	$self->send_packet ("drawinfo $color $msg")
		2859	}
		2860	}
		2861	}
		2862	}
		2863
		2864	=item $client->ext_msg ($type, @msg)
		2865
		2866	Sends an ext event to the client.
		2867
		2868	=cut
		2869
		2870	sub cf::client::ext_msg($$@) {
		2871	my ($self, $type, @msg) = @_;
		2872
		2873	if ($self->extcmd == 2) {
		2874	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2875	} elsif ($self->extcmd == 1) { # TODO: remove
		2876	push @msg, msgtype => "event_$type";
		2877	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2878	}
		2879	}
		2880
		2881	=item $client->ext_reply ($msgid, @msg)
		2882
		2883	Sends an ext reply to the client.
		2884
		2885	=cut
		2886
		2887	sub cf::client::ext_reply($$@) {
		2888	my ($self, $id, @msg) = @_;
		2889
		2890	if ($self->extcmd == 2) {
		2891	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2892	} elsif ($self->extcmd == 1) {
		2893	#TODO: version 1, remove
		2894	unshift @msg, msgtype => "reply", msgid => $id;
		2895	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2896	}
		2897	}
1910		2898
1911	=item $success = $client->query ($flags, "text", \&cb)	2899	=item $success = $client->query ($flags, "text", \&cb)
1912		2900
1913	Queues a query to the client, calling the given callback with	2901	Queues a query to the client, calling the given callback with
1914	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2902	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1915	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2903	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1916		2904
1917	Queries can fail, so check the return code. Or don't, as queries will become	2905	Queries can fail, so check the return code. Or don't, as queries will
1918	reliable at some point in the future.	2906	become reliable at some point in the future.
1919		2907
1920	=cut	2908	=cut
1921		2909
1922	sub cf::client::query {	2910	sub cf::client::query {
1923	my ($self, $flags, $text, $cb) = @_;	2911	my ($self, $flags, $text, $cb) = @_;
…		…
1931	utf8::encode $text;	2919	utf8::encode $text;
1932	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2920	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1933		2921
1934	$self->send_packet ($self->{query_queue}[0][0])	2922	$self->send_packet ($self->{query_queue}[0][0])
1935	if @{ $self->{query_queue} } == 1;	2923	if @{ $self->{query_queue} } == 1;
		2924
		2925	1
1936	}	2926	}
1937		2927
1938	cf::client->attach (	2928	cf::client->attach (
		2929	on_connect => sub {
		2930	my ($ns) = @_;
		2931
		2932	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2933	},
1939	on_reply => sub {	2934	on_reply => sub {
1940	my ($ns, $msg) = @_;	2935	my ($ns, $msg) = @_;
1941		2936
1942	# this weird shuffling is so that direct followup queries	2937	# this weird shuffling is so that direct followup queries
1943	# get handled first	2938	# get handled first
1944	my $queue = delete $ns->{query_queue}	2939	my $queue = delete $ns->{query_queue}
1945	or return; # be conservative, not sure how that can happen, but we saw a crash here	2940	or return; # be conservative, not sure how that can happen, but we saw a crash here
1946		2941
1947	(shift @$queue)->[1]->($msg);	2942	(shift @$queue)->[1]->($msg);
		2943	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1948		2944
1949	push @{ $ns->{query_queue} }, @$queue;	2945	push @{ $ns->{query_queue} }, @$queue;
1950		2946
1951	if (@{ $ns->{query_queue} } == @$queue) {	2947	if (@{ $ns->{query_queue} } == @$queue) {
1952	if (@$queue) {	2948	if (@$queue) {
…		…
1954	} else {	2950	} else {
1955	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2951	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1956	}	2952	}
1957	}	2953	}
1958	},	2954	},
		2955	on_exticmd => sub {
		2956	my ($ns, $buf) = @_;
		2957
		2958	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2959
		2960	if (ref $msg) {
		2961	my ($type, $reply, @payload) =
		2962	"ARRAY" eq ref $msg
		2963	? @$msg
		2964	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2965
		2966	my @reply;
		2967
		2968	if (my $cb = $EXTICMD{$type}) {
		2969	@reply = $cb->($ns, @payload);
		2970	}
		2971
		2972	$ns->ext_reply ($reply, @reply)
		2973	if $reply;
		2974
		2975	} else {
		2976	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2977	}
		2978
		2979	cf::override;
		2980	},
1959	);	2981	);
1960		2982
1961	=item $client->async (\&cb)	2983	=item $client->async (\&cb)
1962		2984
1963	Create a new coroutine, running the specified callback. The coroutine will	2985	Create a new coroutine, running the specified callback. The coroutine will
…		…
2004	our $safe = new Safe "safe";	3026	our $safe = new Safe "safe";
2005	our $safe_hole = new Safe::Hole;	3027	our $safe_hole = new Safe::Hole;
2006		3028
2007	$SIG{FPE} = 'IGNORE';	3029	$SIG{FPE} = 'IGNORE';
2008		3030
2009	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3031	$safe->permit_only (Opcode::opset qw(
		3032	:base_core :base_mem :base_orig :base_math
		3033	grepstart grepwhile mapstart mapwhile
		3034	sort time
		3035	));
2010		3036
2011	# here we export the classes and methods available to script code	3037	# here we export the classes and methods available to script code
2012		3038
2013	=pod	3039	=pod
2014		3040
2015	The following fucntions and emthods are available within a safe environment:	3041	The following functions and methods are available within a safe environment:
2016		3042
2017	cf::object contr pay_amount pay_player map	3043	cf::object
		3044	contr pay_amount pay_player map x y force_find force_add destroy
		3045	insert remove name archname title slaying race decrease split
		3046
2018	cf::object::player player	3047	cf::object::player
2019	cf::player peaceful	3048	player
2020	cf::map trigger	3049
		3050	cf::player
		3051	peaceful
		3052
		3053	cf::map
		3054	trigger
2021		3055
2022	=cut	3056	=cut
2023		3057
2024	for (	3058	for (
2025	["cf::object" => qw(contr pay_amount pay_player map)],	3059	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3060	insert remove inv nrof name archname title slaying race
		3061	decrease split destroy change_exp)],
2026	["cf::object::player" => qw(player)],	3062	["cf::object::player" => qw(player)],
2027	["cf::player" => qw(peaceful)],	3063	["cf::player" => qw(peaceful)],
2028	["cf::map" => qw(trigger)],	3064	["cf::map" => qw(trigger)],
2029	) {	3065	) {
2030	no strict 'refs';	3066	no strict 'refs';
…		…
2101	=back	3137	=back
2102		3138
2103	=cut	3139	=cut
2104		3140
2105	#############################################################################	3141	#############################################################################
		3142	# the server's init and main functions
2106		3143
2107	=head2 EXTENSION DATABASE SUPPORT	3144	sub load_facedata($) {
		3145	my ($path) = @_;
2108		3146
2109	Crossfire maintains a very simple database for extension use. It can	3147	# HACK to clear player env face cache, we need some signal framework
2110	currently store anything that can be serialised using Storable, which	3148	# for this (global event?)
2111	excludes objects.	3149	%ext::player_env::MUSIC_FACE_CACHE = ();
2112		3150
2113	The parameter C<$family> should best start with the name of the extension	3151	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2114	using it, it should be unique.
2115		3152
2116	=over 4	3153	warn "loading facedata from $path\n";
2117		3154
2118	=item $hashref = cf::db_get $family	3155	my $facedata;
		3156	0 < aio_load $path, $facedata
		3157	or die "$path: $!";
2119		3158
2120	Return a hashref for use by the extension C<$family>, which can be	3159	$facedata = Coro::Storable::thaw $facedata;
2121	modified. After modifications, you have to call C<cf::db_dirty> or
2122	C<cf::db_sync>.
2123		3160
2124	=item $value = cf::db_get $family => $key	3161	$facedata->{version} == 2
		3162	or cf::cleanup "$path: version mismatch, cannot proceed.";
2125		3163
2126	Returns a single value from the database	3164	# patch in the exptable
2127		3165	$facedata->{resource}{"res/exp_table"} = {
2128	=item cf::db_put $family => $hashref	3166	type => FT_RSRC,
2129		3167	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2130	Stores the given family hashref into the database. Updates are delayed, if
2131	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2132
2133	=item cf::db_put $family => $key => $value
2134
2135	Stores the given C<$value> in the family hash. Updates are delayed, if you
2136	want the data to be synced to disk immediately, use C<cf::db_sync>.
2137
2138	=item cf::db_dirty
2139
2140	Marks the database as dirty, to be updated at a later time.
2141
2142	=item cf::db_sync
2143
2144	Immediately write the database to disk I<if it is dirty>.
2145
2146	=cut
2147
2148	our $DB;
2149
2150	{
2151	my $path = cf::localdir . "/database.pst";
2152
2153	sub db_load() {
2154	$DB = stat $path ? Storable::retrieve $path : { };
2155	}
2156
2157	my $pid;
2158
2159	sub db_save() {
2160	waitpid $pid, 0 if $pid;
2161	if (0 == ($pid = fork)) {
2162	$DB->{_meta}{version} = 1;
2163	Storable::nstore $DB, "$path~";
2164	rename "$path~", $path;
2165	cf::_exit 0 if defined $pid;
2166	}
2167	}
2168
2169	my $dirty;
2170
2171	sub db_sync() {
2172	db_save if $dirty;
2173	undef $dirty;
2174	}
2175
2176	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2177	db_sync;
2178	});	3168	};
		3169	cf::cede_to_tick;
2179		3170
2180	sub db_dirty() {
2181	$dirty = 1;
2182	$idle->start;
2183	}	3171	{
		3172	my $faces = $facedata->{faceinfo};
2184		3173
2185	sub db_get($;$) {	3174	while (my ($face, $info) = each %$faces) {
2186	@_ >= 2	3175	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2187	? $DB->{$_[0]}{$_[1]}
2188	: ($DB->{$_[0]} ||= { })
2189	}
2190		3176
2191	sub db_put($$;$) {	3177	cf::face::set_visibility $idx, $info->{visibility};
2192	if (@_ >= 3) {	3178	cf::face::set_magicmap $idx, $info->{magicmap};
2193	$DB->{$_[0]}{$_[1]} = $_[2];	3179	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2194	} else {	3180	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2195	$DB->{$_[0]} = $_[1];
2196	}
2197	db_dirty;
2198	}
2199		3181
2200	cf::global->attach (	3182	cf::cede_to_tick;
2201	prio => 10000,
2202	on_cleanup => sub {
2203	db_sync;
2204	},	3183	}
2205	);
2206	}
2207		3184
2208	#############################################################################	3185	while (my ($face, $info) = each %$faces) {
2209	# the server's main()	3186	next unless $info->{smooth};
2210		3187
2211	sub cfg_load {	3188	my $idx = cf::face::find $face
		3189	or next;
		3190
		3191	if (my $smooth = cf::face::find $info->{smooth}) {
		3192	cf::face::set_smooth $idx, $smooth;
		3193	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3194	} else {
		3195	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3196	}
		3197
		3198	cf::cede_to_tick;
		3199	}
		3200	}
		3201
		3202	{
		3203	my $anims = $facedata->{animinfo};
		3204
		3205	while (my ($anim, $info) = each %$anims) {
		3206	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3207	cf::cede_to_tick;
		3208	}
		3209
		3210	cf::anim::invalidate_all; # d'oh
		3211	}
		3212
		3213	{
		3214	# TODO: for gcfclient pleasure, we should give resources
		3215	# that gcfclient doesn't grok a >10000 face index.
		3216	my $res = $facedata->{resource};
		3217
		3218	while (my ($name, $info) = each %$res) {
		3219	if (defined $info->{type}) {
		3220	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3221	my $data;
		3222
		3223	if ($info->{type} & 1) {
		3224	# prepend meta info
		3225
		3226	my $meta = $enc->encode ({
		3227	name => $name,
		3228	%{ $info->{meta} || {} },
		3229	});
		3230
		3231	$data = pack "(w/a*)*", $meta, $info->{data};
		3232	} else {
		3233	$data = $info->{data};
		3234	}
		3235
		3236	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3237	cf::face::set_type $idx, $info->{type};
		3238	} else {
		3239	$RESOURCE{$name} = $info;
		3240	}
		3241
		3242	cf::cede_to_tick;
		3243	}
		3244	}
		3245
		3246	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3247
		3248	1
		3249	}
		3250
		3251	cf::global->attach (on_resource_update => sub {
		3252	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3253	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3254
		3255	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3256	my $sound = $soundconf->{compat}[$_]
		3257	or next;
		3258
		3259	my $face = cf::face::find "sound/$sound->[1]";
		3260	cf::sound::set $sound->[0] => $face;
		3261	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3262	}
		3263
		3264	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3265	my $face = cf::face::find "sound/$v";
		3266	cf::sound::set $k => $face;
		3267	}
		3268	}
		3269	});
		3270
		3271	register_exticmd fx_want => sub {
		3272	my ($ns, $want) = @_;
		3273
		3274	while (my ($k, $v) = each %$want) {
		3275	$ns->fx_want ($k, $v);
		3276	}
		3277	};
		3278
		3279	sub load_resource_file($) {
		3280	my $guard = lock_acquire "load_resource_file";
		3281
		3282	my $status = load_resource_file_ $_[0];
		3283	get_slot 0.1, 100;
		3284	cf::arch::commit_load;
		3285
		3286	$status
		3287	}
		3288
		3289	sub reload_regions {
		3290	# HACK to clear player env face cache, we need some signal framework
		3291	# for this (global event?)
		3292	%ext::player_env::MUSIC_FACE_CACHE = ();
		3293
		3294	load_resource_file "$MAPDIR/regions"
		3295	or die "unable to load regions file\n";
		3296
		3297	for (cf::region::list) {
		3298	$_->{match} = qr/$_->{match}/
		3299	if exists $_->{match};
		3300	}
		3301	}
		3302
		3303	sub reload_facedata {
		3304	load_facedata "$DATADIR/facedata"
		3305	or die "unable to load facedata\n";
		3306	}
		3307
		3308	sub reload_archetypes {
		3309	load_resource_file "$DATADIR/archetypes"
		3310	or die "unable to load archetypes\n";
		3311	}
		3312
		3313	sub reload_treasures {
		3314	load_resource_file "$DATADIR/treasures"
		3315	or die "unable to load treasurelists\n";
		3316	}
		3317
		3318	sub reload_resources {
		3319	warn "reloading resource files...\n";
		3320
		3321	reload_facedata;
		3322	reload_archetypes;
		3323	reload_regions;
		3324	reload_treasures;
		3325
		3326	warn "finished reloading resource files\n";
		3327	}
		3328
		3329	sub init {
		3330	my $guard = freeze_mainloop;
		3331
		3332	evthread_start IO::AIO::poll_fileno;
		3333
		3334	reload_resources;
		3335	}
		3336
		3337	sub reload_config {
2212	open my $fh, "<:utf8", cf::confdir . "/config"	3338	open my $fh, "<:utf8", "$CONFDIR/config"
2213	or return;	3339	or return;
2214		3340
2215	local $/;	3341	local $/;
2216	*CFG = YAML::Syck::Load <$fh>;	3342	*CFG = YAML::Load <$fh>;
2217		3343
2218	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3344	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2219		3345
2220	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3346	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2221	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3347	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2232	sub main {	3358	sub main {
2233	# we must not ever block the main coroutine	3359	# we must not ever block the main coroutine
2234	local $Coro::idle = sub {	3360	local $Coro::idle = sub {
2235	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3361	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2236	(async {	3362	(async {
2237	Event::one_event;	3363	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3364	EV::loop EV::LOOP_ONESHOT;
2238	})->prio (Coro::PRIO_MAX);	3365	})->prio (Coro::PRIO_MAX);
2239	};	3366	};
2240		3367
2241	cfg_load;	3368	{
2242	db_load;	3369	my $guard = freeze_mainloop;
		3370	reload_config;
		3371	db_init;
2243	load_extensions;	3372	load_extensions;
		3373
		3374	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3375	}
		3376
2244	Event::loop;	3377	EV::loop;
2245	}	3378	}
2246		3379
2247	#############################################################################	3380	#############################################################################
2248	# initialisation and cleanup	3381	# initialisation and cleanup
2249		3382
2250	# install some emergency cleanup handlers	3383	# install some emergency cleanup handlers
2251	BEGIN {	3384	BEGIN {
		3385	our %SIGWATCHER = ();
2252	for my $signal (qw(INT HUP TERM)) {	3386	for my $signal (qw(INT HUP TERM)) {
2253	Event->signal (	3387	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2254	data => WF_AUTOCANCEL,
2255	signal => $signal,
2256	cb => sub {
2257	cf::cleanup "SIG$signal";	3388	cf::cleanup "SIG$signal";
2258	},
2259	);	3389	};
		3390	}
		3391	}
		3392
		3393	sub write_runtime_sync {
		3394	my $runtime = "$LOCALDIR/runtime";
		3395
		3396	# first touch the runtime file to show we are still running:
		3397	# the fsync below can take a very very long time.
		3398
		3399	IO::AIO::aio_utime $runtime, undef, undef;
		3400
		3401	my $guard = cf::lock_acquire "write_runtime";
		3402
		3403	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3404	or return;
		3405
		3406	my $value = $cf::RUNTIME + 90 + 10;
		3407	# 10 is the runtime save interval, for a monotonic clock
		3408	# 60 allows for the watchdog to kill the server.
		3409
		3410	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3411	and return;
		3412
		3413	# always fsync - this file is important
		3414	aio_fsync $fh
		3415	and return;
		3416
		3417	# touch it again to show we are up-to-date
		3418	aio_utime $fh, undef, undef;
		3419
		3420	close $fh
		3421	or return;
		3422
		3423	aio_rename "$runtime~", $runtime
		3424	and return;
		3425
		3426	warn "runtime file written.\n";
		3427
2260	}	3428	1
		3429	}
		3430
		3431	our $uuid_lock;
		3432	our $uuid_skip;
		3433
		3434	sub write_uuid_sync($) {
		3435	$uuid_skip ||= $_[0];
		3436
		3437	return if $uuid_lock;
		3438	local $uuid_lock = 1;
		3439
		3440	my $uuid = "$LOCALDIR/uuid";
		3441
		3442	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3443	or return;
		3444
		3445	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3446	$uuid_skip = 0;
		3447
		3448	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3449	and return;
		3450
		3451	# always fsync - this file is important
		3452	aio_fsync $fh
		3453	and return;
		3454
		3455	close $fh
		3456	or return;
		3457
		3458	aio_rename "$uuid~", $uuid
		3459	and return;
		3460
		3461	warn "uuid file written ($value).\n";
		3462
		3463	1
		3464
		3465	}
		3466
		3467	sub write_uuid($$) {
		3468	my ($skip, $sync) = @_;
		3469
		3470	$sync ? write_uuid_sync $skip
		3471	: async { write_uuid_sync $skip };
2261	}	3472	}
2262		3473
2263	sub emergency_save() {	3474	sub emergency_save() {
2264	my $freeze_guard = cf::freeze_mainloop;	3475	my $freeze_guard = cf::freeze_mainloop;
2265		3476
…		…
2271	# and maps saved/destroyed asynchronously.	3482	# and maps saved/destroyed asynchronously.
2272	warn "begin emergency player save\n";	3483	warn "begin emergency player save\n";
2273	for my $login (keys %cf::PLAYER) {	3484	for my $login (keys %cf::PLAYER) {
2274	my $pl = $cf::PLAYER{$login} or next;	3485	my $pl = $cf::PLAYER{$login} or next;
2275	$pl->valid or next;	3486	$pl->valid or next;
		3487	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2276	$pl->save;	3488	$pl->save;
2277	}	3489	}
2278	warn "end emergency player save\n";	3490	warn "end emergency player save\n";
2279		3491
2280	warn "begin emergency map save\n";	3492	warn "begin emergency map save\n";
…		…
2282	my $map = $cf::MAP{$path} or next;	3494	my $map = $cf::MAP{$path} or next;
2283	$map->valid or next;	3495	$map->valid or next;
2284	$map->save;	3496	$map->save;
2285	}	3497	}
2286	warn "end emergency map save\n";	3498	warn "end emergency map save\n";
		3499
		3500	warn "begin emergency database checkpoint\n";
		3501	BDB::db_env_txn_checkpoint $DB_ENV;
		3502	warn "end emergency database checkpoint\n";
		3503
		3504	warn "begin write uuid\n";
		3505	write_uuid_sync 1;
		3506	warn "end write uuid\n";
2287	};	3507	};
2288		3508
2289	warn "leave emergency perl save\n";	3509	warn "leave emergency perl save\n";
2290	}	3510	}
2291		3511
		3512	sub post_cleanup {
		3513	my ($make_core) = @_;
		3514
		3515	warn Carp::longmess "post_cleanup backtrace"
		3516	if $make_core;
		3517	}
		3518
		3519	# a safer delete_package, copied from Symbol
		3520	sub clear_package($) {
		3521	my $pkg = shift;
		3522
		3523	# expand to full symbol table name if needed
		3524	unless ($pkg =~ /^main::.*::$/) {
		3525	$pkg = "main$pkg" if $pkg =~ /^::/;
		3526	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3527	$pkg .= '::' unless $pkg =~ /::$/;
		3528	}
		3529
		3530	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3531	my $stem_symtab = *{$stem}{HASH};
		3532
		3533	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3534	or return;
		3535
		3536	# clear all symbols
		3537	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3538	for my $name (keys %$leaf_symtab) {
		3539	_gv_clear *{"$pkg$name"};
		3540	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3541	}
		3542	warn "cleared package #$pkg\n";#d#
		3543	}
		3544
		3545	our $RELOAD; # how many times to reload
		3546
2292	sub reload() {	3547	sub do_reload_perl() {
2293	# can/must only be called in main	3548	# can/must only be called in main
2294	if ($Coro::current != $Coro::main) {	3549	if ($Coro::current != $Coro::main) {
2295	warn "can only reload from main coroutine\n";	3550	warn "can only reload from main coroutine";
2296	return;	3551	return;
2297	}	3552	}
2298		3553
		3554	return if $RELOAD++;
		3555
		3556	while ($RELOAD) {
2299	warn "reloading...";	3557	warn "reloading...";
2300		3558
2301	warn "freezing server";	3559	warn "entering sync_job";
2302	my $guard = freeze_mainloop;	3560
		3561	cf::sync_job {
		3562	cf::write_runtime_sync; # external watchdog should not bark
2303	cf::emergency_save;	3563	cf::emergency_save;
		3564	cf::write_runtime_sync; # external watchdog should not bark
2304		3565
2305	warn "sync database to disk";	3566	warn "syncing database to disk";
2306	cf::db_sync;	3567	BDB::db_env_txn_checkpoint $DB_ENV;
2307	IO::AIO::flush;
2308		3568
2309	eval {
2310	# if anything goes wrong in here, we should simply crash as we already saved	3569	# if anything goes wrong in here, we should simply crash as we already saved
2311		3570
2312	warn "cancel all watchers";	3571	warn "flushing outstanding aio requests";
2313	for (Event::all_watchers) {	3572	while (IO::AIO::nreqs || BDB::nreqs) {
2314	$_->cancel if $_->data & WF_AUTOCANCEL;	3573	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2315	}
2316
2317	warn "cancel all extension coros";
2318	$_->cancel for values %EXT_CORO;
2319	%EXT_CORO = ();
2320
2321	warn "remove commands";
2322	%COMMAND = ();
2323
2324	warn "remove ext commands";
2325	%EXTCMD = ();
2326
2327	warn "unload/nuke all extensions";
2328	for my $pkg (@EXTS) {
2329	warn "... unloading $pkg";
2330
2331	if (my $cb = $pkg->can ("unload")) {
2332	eval {
2333	$cb->($pkg);
2334	1
2335	} or warn "$pkg unloaded, but with errors: $@";
2336	}	3574	}
2337		3575
		3576	warn "cancelling all extension coros";
		3577	$_->cancel for values %EXT_CORO;
		3578	%EXT_CORO = ();
		3579
		3580	warn "removing commands";
		3581	%COMMAND = ();
		3582
		3583	warn "removing ext/exti commands";
		3584	%EXTCMD = ();
		3585	%EXTICMD = ();
		3586
		3587	warn "unloading/nuking all extensions";
		3588	for my $pkg (@EXTS) {
2338	warn "... nuking $pkg";	3589	warn "... unloading $pkg";
2339	Symbol::delete_package $pkg;
2340	}
2341		3590
2342	warn "unload all perl modules loaded from $LIBDIR";
2343	while (my ($k, $v) = each %INC) {
2344	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2345
2346	warn "removing <$k>";
2347	delete $INC{$k};
2348
2349	$k =~ s/\.pm$//;
2350	$k =~ s/\//::/g;
2351
2352	if (my $cb = $k->can ("unload_module")) {	3591	if (my $cb = $pkg->can ("unload")) {
		3592	eval {
2353	$cb->();	3593	$cb->($pkg);
		3594	1
		3595	} or warn "$pkg unloaded, but with errors: $@";
		3596	}
		3597
		3598	warn "... clearing $pkg";
		3599	clear_package $pkg;
2354	}	3600	}
2355		3601
2356	Symbol::delete_package $k;	3602	warn "unloading all perl modules loaded from $LIBDIR";
		3603	while (my ($k, $v) = each %INC) {
		3604	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3605
		3606	warn "... unloading $k";
		3607	delete $INC{$k};
		3608
		3609	$k =~ s/\.pm$//;
		3610	$k =~ s/\//::/g;
		3611
		3612	if (my $cb = $k->can ("unload_module")) {
		3613	$cb->();
		3614	}
		3615
		3616	clear_package $k;
2357	}	3617	}
2358		3618
2359	warn "get rid of safe::, as good as possible";	3619	warn "getting rid of safe::, as good as possible";
2360	Symbol::delete_package "safe::$_"	3620	clear_package "safe::$_"
2361	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3621	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2362		3622
2363	warn "unload cf.pm \"a bit\"";	3623	warn "unloading cf.pm \"a bit\"";
2364	delete $INC{"cf.pm"};	3624	delete $INC{"cf.pm"};
		3625	delete $INC{"cf/pod.pm"};
2365		3626
2366	# don't, removes xs symbols, too,	3627	# don't, removes xs symbols, too,
2367	# and global variables created in xs	3628	# and global variables created in xs
2368	#Symbol::delete_package __PACKAGE__;	3629	#clear_package __PACKAGE__;
2369		3630
		3631	warn "unload completed, starting to reload now";
		3632
2370	warn "reloading cf.pm";	3633	warn "reloading cf.pm";
2371	require cf;	3634	require cf;
2372	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3635	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2373		3636
2374	warn "load config and database again";	3637	warn "loading config and database again";
2375	cf::cfg_load;	3638	cf::reload_config;
2376	cf::db_load;
2377		3639
2378	warn "load extensions";	3640	warn "loading extensions";
2379	cf::load_extensions;	3641	cf::load_extensions;
2380		3642
2381	warn "reattach attachments to objects/players";	3643	warn "reattaching attachments to objects/players";
2382	_global_reattach;	3644	_global_reattach; # objects, sockets
2383	warn "reattach attachments to maps";	3645	warn "reattaching attachments to maps";
2384	reattach $_ for values %MAP;	3646	reattach $_ for values %MAP;
		3647	warn "reattaching attachments to players";
		3648	reattach $_ for values %PLAYER;
		3649
		3650	warn "leaving sync_job";
		3651
		3652	1
		3653	} or do {
		3654	warn $@;
		3655	cf::cleanup "error while reloading, exiting.";
		3656	};
		3657
		3658	warn "reloaded";
		3659	--$RELOAD;
		3660	}
		3661	};
		3662
		3663	our $RELOAD_WATCHER; # used only during reload
		3664
		3665	sub reload_perl() {
		3666	# doing reload synchronously and two reloads happen back-to-back,
		3667	# coro crashes during coro_state_free->destroy here.
		3668
		3669	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3670	do_reload_perl;
		3671	undef $RELOAD_WATCHER;
2385	};	3672	};
2386		3673	}
2387	if ($@) {
2388	warn $@;
2389	warn "error while reloading, exiting.";
2390	exit 1;
2391	}
2392
2393	warn "reloaded";
2394	};
2395
2396	our $RELOAD_WATCHER; # used only during reload
2397		3674
2398	register_command "reload" => sub {	3675	register_command "reload" => sub {
2399	my ($who, $arg) = @_;	3676	my ($who, $arg) = @_;
2400		3677
2401	if ($who->flag (FLAG_WIZ)) {	3678	if ($who->flag (FLAG_WIZ)) {
2402	$who->message ("reloading server.");	3679	$who->message ("reloading server.");
2403		3680	async {
2404	# doing reload synchronously and two reloads happen back-to-back,	3681	$Coro::current->{desc} = "perl_reload";
2405	# coro crashes during coro_state_free->destroy here.
2406
2407	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2408	reload;	3682	reload_perl;
2409	undef $RELOAD_WATCHER;
2410	});	3683	};
2411	}	3684	}
2412	};	3685	};
2413		3686
2414	unshift @INC, $LIBDIR;	3687	unshift @INC, $LIBDIR;
2415		3688
2416	$TICK_WATCHER = Event->timer (	3689	my $bug_warning = 0;
2417	reentrant => 0,
2418	prio => 0,
2419	at => $NEXT_TICK || $TICK,
2420	data => WF_AUTOCANCEL,
2421	cb => sub {
2422	$NOW = Event::time;
2423		3690
		3691	our @WAIT_FOR_TICK;
		3692	our @WAIT_FOR_TICK_BEGIN;
		3693
		3694	sub wait_for_tick {
		3695	return if tick_inhibit || $Coro::current == $Coro::main;
		3696
		3697	my $signal = new Coro::Signal;
		3698	push @WAIT_FOR_TICK, $signal;
		3699	$signal->wait;
		3700	}
		3701
		3702	sub wait_for_tick_begin {
		3703	return if tick_inhibit || $Coro::current == $Coro::main;
		3704
		3705	my $signal = new Coro::Signal;
		3706	push @WAIT_FOR_TICK_BEGIN, $signal;
		3707	$signal->wait;
		3708	}
		3709
		3710	sub tick {
		3711	if ($Coro::current != $Coro::main) {
		3712	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3713	unless ++$bug_warning > 10;
		3714	return;
		3715	}
		3716
2424	cf::server_tick; # one server iteration	3717	cf::server_tick; # one server iteration
2425	$RUNTIME += $TICK;
2426	$NEXT_TICK += $TICK;
2427		3718
2428	$WAIT_FOR_TICK->broadcast;	3719	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2429	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3720	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2430		3721	Coro::async_pool {
2431	# if we are delayed by four ticks or more, skip them all	3722	$Coro::current->{desc} = "runtime saver";
2432	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2433
2434	$TICK_WATCHER->at ($NEXT_TICK);
2435	$TICK_WATCHER->start;
2436	},
2437	);
2438
2439	IO::AIO::max_poll_time $TICK * 0.2;
2440
2441	$AIO_POLL_WATCHER = Event->io (
2442	fd => IO::AIO::poll_fileno,
2443	poll => 'r',
2444	prio => 5,
2445	data => WF_AUTOCANCEL,
2446	cb => \&IO::AIO::poll_cb,
2447	);
2448
2449	$WRITE_RUNTIME_WATCHER = Event->timer (
2450	data => WF_AUTOCANCEL,
2451	after => 0,
2452	interval => 10,
2453	cb => sub {
2454	(Coro::unblock_sub {
2455	write_runtime	3723	write_runtime_sync
2456	or warn "ERROR: unable to write runtime file: $!";	3724	or warn "ERROR: unable to write runtime file: $!";
2457	})->();	3725	};
2458	},	3726	}
2459	);	3727
		3728	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3729	$sig->send;
		3730	}
		3731	while (my $sig = shift @WAIT_FOR_TICK) {
		3732	$sig->send;
		3733	}
		3734
		3735	$LOAD = ($NOW - $TICK_START) / $TICK;
		3736	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3737
		3738	if (0) {
		3739	if ($NEXT_TICK) {
		3740	my $jitter = $TICK_START - $NEXT_TICK;
		3741	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3742	warn "jitter $JITTER\n";#d#
		3743	}
		3744	}
		3745	}
		3746
		3747	{
		3748	# configure BDB
		3749
		3750	BDB::min_parallel 8;
		3751	BDB::max_poll_reqs $TICK * 0.1;
		3752	$AnyEvent::BDB::WATCHER->priority (1);
		3753
		3754	unless ($DB_ENV) {
		3755	$DB_ENV = BDB::db_env_create;
		3756	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3757	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3758	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3759	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3760	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3761
		3762	cf::sync_job {
		3763	eval {
		3764	BDB::db_env_open
		3765	$DB_ENV,
		3766	$BDBDIR,
		3767	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3768	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3769	0666;
		3770
		3771	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3772	};
		3773
		3774	cf::cleanup "db_env_open(db): $@" if $@;
		3775	};
		3776	}
		3777
		3778	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3779	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3780	};
		3781	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3782	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3783	};
		3784	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3785	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3786	};
		3787	}
		3788
		3789	{
		3790	# configure IO::AIO
		3791
		3792	IO::AIO::min_parallel 8;
		3793	IO::AIO::max_poll_time $TICK * 0.1;
		3794	undef $AnyEvent::AIO::WATCHER;
		3795	}
		3796
		3797	my $_log_backtrace;
		3798
		3799	sub _log_backtrace {
		3800	my ($msg, @addr) = @_;
		3801
		3802	$msg =~ s/\n//;
		3803
		3804	# limit the # of concurrent backtraces
		3805	if ($_log_backtrace < 2) {
		3806	++$_log_backtrace;
		3807	async {
		3808	$Coro::current->{desc} = "abt $msg";
		3809
		3810	my @bt = fork_call {
		3811	@addr = map { sprintf "%x", $_ } @addr;
		3812	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3813	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3814	or die "addr2line: $!";
		3815
		3816	my @funcs;
		3817	my @res = <$fh>;
		3818	chomp for @res;
		3819	while (@res) {
		3820	my ($func, $line) = splice @res, 0, 2, ();
		3821	push @funcs, "[$func] $line";
		3822	}
		3823
		3824	@funcs
		3825	};
		3826
		3827	LOG llevInfo, "[ABT] $msg\n";
		3828	LOG llevInfo, "[ABT] $_\n" for @bt;
		3829	--$_log_backtrace;
		3830	};
		3831	} else {
		3832	LOG llevInfo, "[ABT] $msg\n";
		3833	LOG llevInfo, "[ABT] [suppressed]\n";
		3834	}
		3835	}
		3836
		3837	# load additional modules
		3838	use cf::pod;
2460		3839
2461	END { cf::emergency_save }	3840	END { cf::emergency_save }
2462		3841
2463	1	3842	1
2464		3843

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