ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs.
Revision 1.441 by root, Sat Aug 30 05:19:03 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.5 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
		52	use BDB ();
20	use Data::Dumper;	53	use Data::Dumper;
21	use Digest::MD5;	54	use Digest::MD5;
22	use Fcntl;	55	use Fcntl;
		56	use YAML ();
23	use IO::AIO 2.32 ();	57	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	58	use Time::HiRes;
		59	use Compress::LZF;
		60	use Digest::MD5 ();
26		61
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		71
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		73
36	our %COMMAND = ();	74	our %COMMAND = ();
37	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
38		76
39	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
43		82
		83	our $RELOAD; # number of reloads so far
44	our @EVENT;	84	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		85
47	our $TICK = MAX_TIME * 1e-6;	86	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	87	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	88	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	89	our $PODDIR = "$DATADIR/pod";
		90	our $MAPDIR = "$DATADIR/" . mapdir;
		91	our $LOCALDIR = localdir;
		92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		95	our $RANDOMDIR = "$LOCALDIR/random";
		96	our $BDBDIR = "$LOCALDIR/db";
		97	our %RESOURCE;
		98
		99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	101	our $NEXT_TICK;
52	our $NOW;	102	our $USE_FSYNC = 1; # use fsync to write maps - default off
		103
		104	our $BDB_DEADLOCK_WATCHER;
		105	our $BDB_CHECKPOINT_WATCHER;
		106	our $BDB_TRICKLE_WATCHER;
		107	our $DB_ENV;
53		108
54	our %CFG;	109	our %CFG;
55		110
56	our $UPTIME; $UPTIME ||= time;	111	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	112	our $RUNTIME;
		113	our $NOW;
58		114
59	our %PLAYER; # all users	115	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	116	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	117	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		118
67	# used to convert map paths into valid unix filenames by replacing / by ∕	119	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	120	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		121
		122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		123	our $LOADAVG; # same thing, but with alpha-smoothing
		124	our $JITTER; # average jitter
		125	our $TICK_START; # for load detecting purposes
		126
70	binmode STDOUT;	127	binmode STDOUT;
71	binmode STDERR;	128	binmode STDERR;
72		129
73	# read virtual server time, if available	130	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	132	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	133	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	134	$RUNTIME = <$fh> + 0.;
78	}	135	}
79		136
80	mkdir cf::localdir;	137	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		139
86	our $EMERGENCY_POSITION;	140	our $EMERGENCY_POSITION;
87		141
88	sub cf::map::normalise;	142	sub cf::map::normalise;
89		143
…		…
100	=item $cf::RUNTIME	154	=item $cf::RUNTIME
101		155
102	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
103	every server tick.	157	every server tick.
104		158
105	=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
106		162
107	The perl library directory, where extensions and cf-specific modules can	163	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		167
110	=item $cf::NOW	168	=item $cf::NOW
111		169
112	The time of the last (current) server tick.	170	The time of the last (current) server tick.
113		171
114	=item $cf::TICK	172	=item $cf::TICK
115		173
116	The interval between server ticks, in seconds.	174	The interval between server ticks, in seconds.
117		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
118	=item %cf::CFG	186	=item %cf::CFG
119		187
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	189	from wherever your confdir points to.
122		190
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	191	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		192
125	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
126	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
127	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.
128	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.
129		202
130	=back	203	=back
131		204
132	=cut	205	=cut
133		206
134	BEGIN {	207	BEGIN {
135	*CORE::GLOBAL::warn = sub {	208	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	209	my $msg = join "", @_;
137	utf8::encode $msg;
138		210
139	$msg .= "\n"	211	$msg .= "\n"
140	unless $msg =~ /\n$/;	212	unless $msg =~ /\n$/;
141		213
		214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		215
142	LOG llevError, $msg;	216	LOG llevError, $msg;
143	};	217	};
144	}	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#?
145		234
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		242
153	# 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
154	# within the Safe compartment.	244	# within the Safe compartment.
155	for my $pkg (qw(	245	for my $pkg (qw(
156	cf::global cf::attachable	246	cf::global cf::attachable
157	cf::object cf::object::player	247	cf::object cf::object::player
158	cf::client cf::player	248	cf::client cf::player
159	cf::arch cf::living	249	cf::arch cf::living
		250	cf::map cf::mapspace
160	cf::map cf::party cf::region	251	cf::party cf::region
161	)) {	252	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	254	}
165		255
166	$Event::DIED = sub {	256	$EV::DIED = sub {
167	warn "error in event callback: @_";	257	warn "error in event callback: @_";
168	};	258	};
		259
		260	#############################################################################
169		261
170	=head2 UTILITY FUNCTIONS	262	=head2 UTILITY FUNCTIONS
171		263
172	=over 4	264	=over 4
173		265
…		…
192	$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;
193	$d	285	$d
194	} || "[unable to dump $_[0]: '$@']";	286	} || "[unable to dump $_[0]: '$@']";
195	}	287	}
196		288
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	289	=item $ref = cf::decode_json $json
200		290
201	Converts a JSON string into the corresponding perl data structure.	291	Converts a JSON string into the corresponding perl data structure.
202		292
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	293	=item $json = cf::encode_json $ref
211		294
212	Converts a perl data structure into its JSON representation.	295	Converts a perl data structure into its JSON representation.
213		296
214	=cut	297	=cut
215		298
216	sub to_json($) {	299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	300
218	JSON::Syck::Dump $_[0]	301	sub encode_json($) { $json_coder->encode ($_[0]) }
219	}	302	sub decode_json($) { $json_coder->decode ($_[0]) }
220		303
221	=item cf::lock_wait $string	304	=item cf::lock_wait $string
222		305
223	Wait until the given lock is available. See cf::lock_acquire.	306	Wait until the given lock is available. See cf::lock_acquire.
224		307
…		…
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	312	for example when the coroutine gets canceled), the lock is automatically
230	returned.	313	returned.
231		314
		315	Locks are *not* recursive, locking from the same coro twice results in a
		316	deadlocked coro.
		317
232	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
233	uses map_find and cf::map::load uses map_load).	319	uses map_find and cf::map::load uses map_load).
234		320
		321	=item $locked = cf::lock_active $string
		322
		323	Return true if the lock is currently active, i.e. somebody has locked it.
		324
235	=cut	325	=cut
236		326
237	our %LOCK;	327	our %LOCK;
		328	our %LOCKER;#d#
238		329
239	sub lock_wait($) {	330	sub lock_wait($) {
240	my ($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#
241		337
242	# wait for lock, if any	338	# wait for lock, if any
243	while ($LOCK{$key}) {	339	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	340	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	341	Coro::schedule;
…		…
251		347
252	# wait, to be sure we are not locked	348	# wait, to be sure we are not locked
253	lock_wait $key;	349	lock_wait $key;
254		350
255	$LOCK{$key} = [];	351	$LOCK{$key} = [];
		352	$LOCKER{$key} = $Coro::current;#d#
256		353
257	Coro::guard {	354	Coro::guard {
		355	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	356	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	357	$_->ready for @{ delete $LOCK{$key} };
260	}	358	}
261	}	359	}
262		360
		361	sub lock_active($) {
		362	my ($key) = @_;
		363
		364	! ! $LOCK{$key}
		365	}
		366
263	sub freeze_mainloop {	367	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
265		369
266	my $guard = Coro::guard {	370	Coro::guard \&tick_inhibit_dec;
267	$TICK_WATCHER->start;	371	}
268	$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($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
269	};	431	}
270	$WRITE_RUNTIME_WATCHER->stop;	432	};
271	$TICK_WATCHER->stop;	433
272	$guard	434	sub get_slot($;$$) {
		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	$sig->wait;
273	}	446	}
274		447
275	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
276		449
277	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		455
283	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
284		457
285	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
286		459
287	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
290		464
291	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
294	fast or be very important.	468	fast or be very important.
…		…
297		471
298	sub sync_job(&) {	472	sub sync_job(&) {
299	my ($job) = @_;	473	my ($job) = @_;
300		474
301	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
302	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
304		480
305	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	482
307	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
308		484
309	my $busy = 1;	485	my $busy = 1;
310	my @res;	486	my @res;
311		487
312	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	490	@res = eval { $job->() };
314	warn $@ if $@;	491	warn $@ if $@;
315	undef $busy;	492	undef $busy;
316	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
317		494
318	while ($busy) {	495	while ($busy) {
319	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
320	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
321		506
322	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
323	} else {	508	} else {
324	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
325		510
…		…
345	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
346		531
347	$coro	532	$coro
348	}	533	}
349		534
350	sub write_runtime {	535	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		536
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	Executes the given code block with the given arguments in a seperate
354	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.
355		541
356	my $value = $cf::RUNTIME + 90 + 10;	542	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		543
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	sub fork_call(&@) {
361	and return;	545	my ($cb, @args) = @_;
362		546
363	aio_fsync $fh	547	# we seemingly have to make a local copy of the whole thing,
364	and return;	548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
365		550
366	close $fh	551	my @res = Coro::Util::fork_eval {
367	or return;	552	reset_signals;
		553	&$cb
		554	}, @args;
368		555
369	aio_rename "$runtime~", $runtime	556	wantarray ? @res : $res[-1]
370	and return;	557	}
371		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($$) {
		628	my $key = "$_[0]/$_[1]";
		629
		630	cf::sync_job {
		631	BDB::db_get $DB, undef, $key, my $data;
		632
		633	$! ? ()
		634	: $data
372	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		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 });
373	}	722	}
374		723
375	=back	724	=back
376		725
377	=cut	726	=cut
…		…
384	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")
385	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
386		735
387	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>
388	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
389	crossfire+).	738	Deliantra).
390		739
391	=over 4	740	=over 4
392		741
393	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
394		743
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
558		907
559	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		912
564	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	914	my $pkg = shift @arg;
566		915
567	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
597	}	946	}
598		947
599	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
600	} else {	949	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	951	}
603		952
604	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
605	}	954	}
606		955
…		…
608	if (ref $_[0]) {	957	if (ref $_[0]) {
609	_object_attach @_;	958	_object_attach @_;
610	} else {	959	} else {
611	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
612	}	961	}
		962	_recalc_want;
613	};	963	};
614		964
615	# all those should be optimised	965	# all those should be optimised
616	sub cf::attachable::detach {	966	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
621	reattach ($obj);	971	reattach ($obj);
622	} else {	972	} else {
623	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
624	}	974	}
		975	_recalc_want;
625	};	976	};
626		977
627	sub cf::attachable::attached {	978	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
629		980
…		…
644	";	995	";
645	die if $@;	996	die if $@;
646	}	997	}
647		998
648	our $override;	999	our $override;
649	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?
650		1001
651	sub override {	1002	sub override {
652	$override = 1;	1003	$override = 1;
653	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
654	}	1005	}
655		1006
656	sub do_invoke {	1007	sub do_invoke {
657	my $event = shift;	1008	my $event = shift;
658	my $callbacks = shift;	1009	my $callbacks = shift;
659		1010
660	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
661		1012
662	local $override;	1013	local $override;
663		1014
664	for (@$callbacks) {	1015	for (@$callbacks) {
665	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
674	}	1025	}
675		1026
676	0	1027	0
677	}	1028	}
678		1029
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1031
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1033
683	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
684		1035
685	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
686	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
687	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1039
689	=back	1040	=back
690		1041
691	=cut	1042	=cut
692		1043
693	#############################################################################	1044	#############################################################################
694	# 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, $ob2
		1087	}
695		1088
696	sub reattach {	1089	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1091	my ($obj) = @_;
699		1092
		1093	# no longer needed after getting rid of delete_package?
700	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
701		1095
702	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
703		1097
704	@$registry = ();	1098	@$registry = ();
705		1099
…		…
720	cf::attachable->attach (	1114	cf::attachable->attach (
721	prio => -1000000,	1115	prio => -1000000,
722	on_instantiate => sub {	1116	on_instantiate => sub {
723	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
724		1118
725	$data = from_json $data;	1119	$data = decode_json $data;
726		1120
727	for (@$data) {	1121	for (@$data) {
728	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
729		1123
730	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1140	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
748		1142
749	sync_job {	1143	sync_job {
750	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
753		1148
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1152	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1153	aio_close $fh;
759		1154
760	if (@$objs) {	1155	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1160	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1161	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
768	}	1163	}
769	} else {	1164	} else {
770	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
771	}	1166	}
…		…
776	}	1171	}
777	} else {	1172	} else {
778	aio_unlink $filename;	1173	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1174	aio_unlink "$filename.pst";
780	}	1175	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1176	};
788	}	1177	}
789		1178
790	sub object_freezer_as_string {	1179	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1180	my ($rdata, $objs) = @_;
792		1181
…		…
797		1186
798	sub object_thawer_load {	1187	sub object_thawer_load {
799	my ($filename) = @_;	1188	my ($filename) = @_;
800		1189
801	my ($data, $av);	1190	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1191
806	(aio_load $filename, $data) >= 0	1192	(aio_load $filename, $data) >= 0
807	or return;	1193	or return;
808		1194
809	unless (aio_stat "$filename.pst") {	1195	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1196	(aio_load "$filename.pst", $av) >= 0
811	or return;	1197	or return;
		1198
812	$av = eval { (Storable::thaw $av)->{objs} };	1199	my $st = eval { Coro::Storable::thaw $av };
		1200	$av = $st->{objs};
813	}	1201	}
814		1202
		1203	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1204	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1205	$decname, length $data, scalar @{$av || []};
		1206
817	return ($data, $av);	1207	($data, $av)
818	}	1208	}
		1209
		1210	=head2 COMMAND CALLBACKS
		1211
		1212	=over 4
		1213
		1214	=cut
819		1215
820	#############################################################################	1216	#############################################################################
821	# command handling &c	1217	# command handling &c
822		1218
823	=item cf::register_command $name => \&callback($ob,$args);	1219	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1232	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1233	}
838		1234
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1235	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1236
841	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.
842		1242
843	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
844	called.	1244	called.
845		1245
		1246	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1247
		1248	Register a callback for execution when the client sends an (asynchronous)
		1249	exticmd packet. Exti commands are processed by the server as soon as they
		1250	are received, i.e. out of order w.r.t. other commands. The first argument
		1251	is a client socket. Exti commands can be received anytime, even before
		1252	log-in.
		1253
		1254	If the callback returns something, it is sent back as if reply was being
		1255	called.
		1256
846	=cut	1257	=cut
847		1258
848	sub register_extcmd {	1259	sub register_extcmd {
849	my ($name, $cb) = @_;	1260	my ($name, $cb) = @_;
850		1261
851	$EXTCMD{$name} = $cb;	1262	$EXTCMD{$name} = $cb;
		1263	}
		1264
		1265	sub register_exticmd {
		1266	my ($name, $cb) = @_;
		1267
		1268	$EXTICMD{$name} = $cb;
852	}	1269	}
853		1270
854	cf::player->attach (	1271	cf::player->attach (
855	on_command => sub {	1272	on_command => sub {
856	my ($pl, $name, $params) = @_;	1273	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1282	cf::override;
866	},	1283	},
867	on_extcmd => sub {	1284	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1285	my ($pl, $buf) = @_;
869		1286
870	my $msg = eval { from_json $buf };	1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1288
872	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
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1297	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1298	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1299	}
		1300
		1301	$pl->ext_reply ($reply, @reply)
		1302	if $reply;
		1303
878	} else {	1304	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1306	}
881		1307
882	cf::override;	1308	cf::override;
883	},	1309	},
884	);	1310	);
885		1311
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1312	sub load_extensions {
		1313	cf::sync_job {
		1314	my %todo;
		1315
921	for my $ext (<$LIBDIR/*.ext>) {	1316	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1317	next unless -r $path;
923	eval {	1318
924	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	$progress = 1;
925	1	1375	}
926	} or warn "$ext not loaded: $@";	1376
		1377	skip:
		1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1379	unless $progress;
		1380	}
927	}	1381	};
928	}	1382	}
929		1383
930	#############################################################################	1384	#############################################################################
931		1385
		1386	=back
		1387
932	=head2 CORE EXTENSIONS	1388	=head2 CORE EXTENSIONS
933		1389
934	Functions and methods that extend core crossfire objects.	1390	Functions and methods that extend core crossfire objects.
935		1391
936	=cut	1392	=cut
…		…
941		1397
942	=head3 cf::player	1398	=head3 cf::player
943		1399
944	=over 4	1400	=over 4
945		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
946	=item cf::player::find $login	1416	=item cf::player::find $login
947		1417
948	Returns the given player object, loading it if necessary (might block).	1418	Returns the given player object, loading it if necessary (might block).
949		1419
950	=cut	1420	=cut
951		1421
952	sub playerdir($) {	1422	sub playerdir($) {
953	cf::localdir	1423	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1424	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1425	}
959		1426
960	sub path($) {	1427	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1428	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1429
963	(playerdir $login) . "/$login.pl"	1430	(playerdir $login) . "/playerdata"
964	}	1431	}
965		1432
966	sub find_active($) {	1433	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1434	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1435	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1448	my $login = $_[0];
982		1449
983	my $guard = cf::lock_acquire "user_find:$login";	1450	my $guard = cf::lock_acquire "user_find:$login";
984		1451
985	$cf::PLAYER{$_[0]} || do {	1452	$cf::PLAYER{$_[0]} || do {
986	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
987	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;
988	$cf::PLAYER{$login} = $pl	1468	$cf::PLAYER{$login} = $pl
989	}	1469	}
990	}	1470	}
991	}	1471	}
992		1472
…		…
1001	return if $pl->{deny_save};	1481	return if $pl->{deny_save};
1002		1482
1003	aio_mkdir playerdir $pl, 0770;	1483	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1484	$pl->{last_save} = $cf::RUNTIME;
1005		1485
		1486	cf::get_slot 0.01;
		1487
1006	$pl->save_pl ($path);	1488	$pl->save_pl ($path);
1007	Coro::cede;	1489	cf::cede_to_tick;
1008	}	1490	}
1009		1491
1010	sub new($) {	1492	sub new($) {
1011	my ($login) = @_;	1493	my ($login) = @_;
1012		1494
…		…
1018	$cf::PLAYER{$login} = $self;	1500	$cf::PLAYER{$login} = $self;
1019		1501
1020	$self	1502	$self
1021	}	1503	}
1022		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
1023	=item $pl->quit_character	1515	=item $pl->quit_character
1024		1516
1025	Nukes the player without looking back. If logged in, the connection will	1517	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1518	be destroyed. May block for a long time.
1027		1519
1028	=cut	1520	=cut
1029		1521
1030	sub quit_character {	1522	sub quit_character {
1031	my ($pl) = @_;	1523	my ($pl) = @_;
1032		1524
		1525	my $name = $pl->ob->name;
		1526
1033	$pl->{deny_save} = 1;	1527	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1528	$pl->password ("*"); # this should lock out the player until we nuked the dir
1035		1529
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1037	$pl->deactivate;	1531	$pl->deactivate;
		1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1533	$pl->ob->check_score;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1039	$pl->ns->destroy if $pl->ns;	1535	$pl->ns->destroy if $pl->ns;
1040		1536
1041	my $path = playerdir $pl;	1537	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1538	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1539	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1540	delete $cf::PLAYER{$pl->ob->name};
1045	$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
1046	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;
1047	}	1563	}
1048		1564
1049	=item cf::player::list_logins	1565	=item cf::player::list_logins
1050		1566
1051	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
1052	while and may block, so not sync_job-capable, ever.	1568	while and may block, so not sync_job-capable, ever.
1053		1569
1054	=cut	1570	=cut
1055		1571
1056	sub list_logins {	1572	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1573	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1574	or return [];
1059		1575
1060	my @logins;	1576	my @logins;
1061		1577
1062	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") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1584	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1585	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1586	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1587	}
1066		1588
1067	utf8::decode $login;	1589	utf8::decode $login;
1068	push @logins, $login;	1590	push @logins, $login;
1069	}	1591	}
1070		1592
…		…
1078		1600
1079	=cut	1601	=cut
1080		1602
1081	sub maps($) {	1603	sub maps($) {
1082	my ($pl) = @_;	1604	my ($pl) = @_;
		1605
		1606	$pl = ref $pl ? $pl->ob->name : $pl;
1083		1607
1084	my $files = aio_readdir playerdir $pl	1608	my $files = aio_readdir playerdir $pl
1085	or return;	1609	or return;
1086		1610
1087	my @paths;	1611	my @paths;
…		…
1089	for (@$files) {	1613	for (@$files) {
1090	utf8::decode $_;	1614	utf8::decode $_;
1091	next if /\.(?:pl|pst)$/;	1615	next if /\.(?:pl|pst)$/;
1092	next unless /^$PATH_SEP/o;	1616	next unless /^$PATH_SEP/o;
1093		1617
1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1618	push @paths, cf::map::normalise "~$pl/$_";
1095	}	1619	}
1096		1620
1097	\@paths	1621	\@paths
1098	}	1622	}
1099		1623
		1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1625
		1626	Expand crossfire pod fragments into protocol xml.
		1627
		1628	=cut
		1629
		1630	use re 'eval';
		1631
		1632	my $group;
		1633	my $interior; $interior = qr{
		1634	# match a pod interior sequence sans C<< >>
		1635	(?:
		1636	\ (.*?)\ (?{ $group = $^N })
		1637	| < (??{$interior}) >
		1638	)
		1639	}x;
		1640
		1641	sub expand_cfpod {
		1642	my ($self, $pod) = @_;
		1643
		1644	my $xml;
		1645
		1646	while () {
		1647	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1648	$group = $1;
		1649
		1650	$group =~ s/&/&amp;/g;
		1651	$group =~ s/</&lt;/g;
		1652
		1653	$xml .= $group;
		1654	} elsif ($pod =~ m%\G
		1655	([BCGHITU])
		1656	<
		1657	(?:
		1658	([^<>]*) (?{ $group = $^N })
		1659	| < $interior >
		1660	)
		1661	>
		1662	%gcsx
		1663	) {
		1664	my ($code, $data) = ($1, $group);
		1665
		1666	if ($code eq "B") {
		1667	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1668	} elsif ($code eq "I") {
		1669	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1670	} elsif ($code eq "U") {
		1671	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1672	} elsif ($code eq "C") {
		1673	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1674	} elsif ($code eq "T") {
		1675	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1676	} elsif ($code eq "G") {
		1677	my ($male, $female) = split /\|/, $data;
		1678	$data = $self->gender ? $female : $male;
		1679	$xml .= expand_cfpod ($self, $data);
		1680	} elsif ($code eq "H") {
		1681	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1682	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1683	"")
		1684	[$self->{hintmode}];
		1685	} else {
		1686	$xml .= "error processing '$code($data)' directive";
		1687	}
		1688	} else {
		1689	if ($pod =~ /\G(.+)/) {
		1690	warn "parse error while expanding $pod (at $1)";
		1691	}
		1692	last;
		1693	}
		1694	}
		1695
		1696	for ($xml) {
		1697	# create single paragraphs (very hackish)
		1698	s/(?<=\S)\n(?=\w)/ /g;
		1699
		1700	# compress some whitespace
		1701	s/\s+\n/\n/g; # ws line-ends
		1702	s/\n\n+/\n/g; # double lines
		1703	s/^\n+//; # beginning lines
		1704	s/\n+$//; # ending lines
		1705	}
		1706
		1707	$xml
		1708	}
		1709
		1710	no re 'eval';
		1711
		1712	sub hintmode {
		1713	$_[0]{hintmode} = $_[1] if @_ > 1;
		1714	$_[0]{hintmode}
		1715	}
		1716
1100	=item $player->ext_reply ($msgid, $msgtype, %msg)	1717	=item $player->ext_reply ($msgid, @msg)
1101		1718
1102	Sends an ext reply to the player.	1719	Sends an ext reply to the player.
1103		1720
1104	=cut	1721	=cut
1105		1722
1106	sub ext_reply($$$%) {	1723	sub ext_reply($$@) {
1107	my ($self, $id, %msg) = @_;	1724	my ($self, $id, @msg) = @_;
1108		1725
1109	$msg{msgid} = $id;	1726	$self->ns->ext_reply ($id, @msg)
1110
1111	$self->send ("ext " . cf::to_json \%msg);
1112	}	1727	}
1113		1728
1114	package cf;	1729	=item $player->ext_msg ($type, @msg)
		1730
		1731	Sends an ext event to the client.
		1732
		1733	=cut
		1734
		1735	sub ext_msg($$@) {
		1736	my ($self, $type, @msg) = @_;
		1737
		1738	$self->ns->ext_msg ($type, @msg);
		1739	}
		1740
		1741	=head3 cf::region
		1742
		1743	=over 4
		1744
		1745	=cut
		1746
		1747	package cf::region;
		1748
		1749	=item cf::region::find_by_path $path
		1750
		1751	Tries to decuce the likely region for a map knowing only its path.
		1752
		1753	=cut
		1754
		1755	sub find_by_path($) {
		1756	my ($path) = @_;
		1757
		1758	my ($match, $specificity);
		1759
		1760	for my $region (list) {
		1761	if ($region->{match} && $path =~ $region->{match}) {
		1762	($match, $specificity) = ($region, $region->specificity)
		1763	if $region->specificity > $specificity;
		1764	}
		1765	}
		1766
		1767	$match
		1768	}
1115		1769
1116	=back	1770	=back
1117
1118		1771
1119	=head3 cf::map	1772	=head3 cf::map
1120		1773
1121	=over 4	1774	=over 4
1122		1775
…		…
1134	our $MAX_RESET = 3600;	1787	our $MAX_RESET = 3600;
1135	our $DEFAULT_RESET = 3000;	1788	our $DEFAULT_RESET = 3000;
1136		1789
1137	sub generate_random_map {	1790	sub generate_random_map {
1138	my ($self, $rmp) = @_;	1791	my ($self, $rmp) = @_;
		1792
		1793	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1794
1139	# mit "rum" bekleckern, nicht	1795	# mit "rum" bekleckern, nicht
1140	$self->_create_random_map (	1796	$self->_create_random_map (
1141	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1797	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1142	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1798	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1143	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1799	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1177	my ($self, $merge) = @_;	1833	my ($self, $merge) = @_;
1178		1834
1179	# we have to keep some variables in memory intact	1835	# we have to keep some variables in memory intact
1180	local $self->{path};	1836	local $self->{path};
1181	local $self->{load_path};	1837	local $self->{load_path};
1182	local $self->{deny_save};
1183	local $self->{deny_reset};
1184		1838
1185	$self->SUPER::thawer_merge ($merge);	1839	$self->SUPER::thawer_merge ($merge);
1186	}	1840	}
1187		1841
1188	sub normalise {	1842	sub normalise {
…		…
1235	$self->init; # pass $1 etc.	1889	$self->init; # pass $1 etc.
1236	return $self;	1890	return $self;
1237	}	1891	}
1238	}	1892	}
1239		1893
1240	Carp::carp "unable to resolve path '$path' (base '$base').";	1894	Carp::cluck "unable to resolve path '$path' (base '$base').";
1241	()	1895	()
1242	}	1896	}
1243		1897
1244	sub init {	1898	sub init {
1245	my ($self) = @_;	1899	my ($self) = @_;
…		…
1260		1914
1261	# the original (read-only) location	1915	# the original (read-only) location
1262	sub load_path {	1916	sub load_path {
1263	my ($self) = @_;	1917	my ($self) = @_;
1264		1918
1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1919	"$MAPDIR/$self->{path}.map"
1266	}	1920	}
1267		1921
1268	# the temporary/swap location	1922	# the temporary/swap location
1269	sub save_path {	1923	sub save_path {
1270	my ($self) = @_;	1924	my ($self) = @_;
1271		1925
1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1927	"$TMPDIR/$path.map"
1274	}	1928	}
1275		1929
1276	# the unique path, undef == no special unique path	1930	# the unique path, undef == no special unique path
1277	sub uniq_path {	1931	sub uniq_path {
1278	my ($self) = @_;	1932	my ($self) = @_;
1279		1933
1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1934	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1935	"$UNIQUEDIR/$path"
1282	}	1936	}
1283		1937
1284	# and all this just because we cannot iterate over	1938	# and all this just because we cannot iterate over
1285	# all maps in C++...	1939	# all maps in C++...
1286	sub change_all_map_light {	1940	sub change_all_map_light {
…		…
1288		1942
1289	$_->change_map_light ($change)	1943	$_->change_map_light ($change)
1290	for grep $_->outdoor, values %cf::MAP;	1944	for grep $_->outdoor, values %cf::MAP;
1291	}	1945	}
1292		1946
		1947	sub decay_objects {
		1948	my ($self) = @_;
		1949
		1950	return if $self->{deny_reset};
		1951
		1952	$self->do_decay_objects;
		1953	}
		1954
1293	sub unlink_save {	1955	sub unlink_save {
1294	my ($self) = @_;	1956	my ($self) = @_;
1295		1957
1296	utf8::encode (my $save = $self->save_path);	1958	utf8::encode (my $save = $self->save_path);
1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1959	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1960	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300	#d#TODO remove .map and also nuke
1301	$save =~ s/\.map// or return;#d#
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304	}	1961	}
1305		1962
1306	sub load_header_from($) {	1963	sub load_header_from($) {
1307	my ($self, $path) = @_;	1964	my ($self, $path) = @_;
1308		1965
1309	utf8::encode $path;	1966	utf8::encode $path;
1310	#aio_open $path, O_RDONLY, 0	1967	my $f = new_from_file cf::object::thawer $path
1311	# or return;
1312
1313	$self->_load_header ($path)
1314	or return;	1968	or return;
		1969
		1970	$self->_load_header ($f)
		1971	or return;
		1972
		1973	local $MAP_LOADING{$self->{path}} = $self;
		1974	$f->resolve_delayed_derefs;
1315		1975
1316	$self->{load_path} = $path;	1976	$self->{load_path} = $path;
1317		1977
1318	1	1978	1
1319	}	1979	}
…		…
1358	$self->load_header_orig	2018	$self->load_header_orig
1359	or return;	2019	or return;
1360	$self->prepare_orig;	2020	$self->prepare_orig;
1361	}	2021	}
1362		2022
		2023	$self->{deny_reset} = 1
		2024	if $self->no_reset;
		2025
		2026	$self->default_region (cf::region::find_by_path $self->{path})
		2027	unless $self->default_region;
		2028
1363	1	2029	1
1364	}	2030	}
1365		2031
1366	sub find;	2032	sub find;
1367	sub find {	2033	sub find {
1368	my ($path, $origin) = @_;	2034	my ($path, $origin) = @_;
1369		2035
1370	$path = normalise $path, $origin && $origin->path;	2036	$path = normalise $path, $origin && $origin->path;
1371		2037
		2038	cf::lock_wait "map_data:$path";#d#remove
1372	cf::lock_wait "map_find:$path";	2039	cf::lock_wait "map_find:$path";
1373		2040
1374	$cf::MAP{$path} || do {	2041	$cf::MAP{$path} || do {
		2042	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1375	my $guard = cf::lock_acquire "map_find:$path";	2043	my $guard2 = cf::lock_acquire "map_find:$path";
		2044
1376	my $map = new_from_path cf::map $path	2045	my $map = new_from_path cf::map $path
1377	or return;	2046	or return;
1378		2047
1379	$map->{last_save} = $cf::RUNTIME;	2048	$map->{last_save} = $cf::RUNTIME;
1380		2049
1381	$map->load_header	2050	$map->load_header
1382	or return;	2051	or return;
1383		2052
1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2053	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1385	# doing this can freeze the server in a sync job, obviously	2054	# doing this can freeze the server in a sync job, obviously
1386	#$cf::WAIT_FOR_TICK->wait;	2055	#$cf::WAIT_FOR_TICK->wait;
		2056	undef $guard2;
		2057	undef $guard1;
1387	$map->reset;	2058	$map->reset;
1388	undef $guard;
1389	return find $path;	2059	return find $path;
1390	}	2060	}
1391		2061
1392	$cf::MAP{$path} = $map	2062	$cf::MAP{$path} = $map
1393	}	2063	}
…		…
1400	my ($self) = @_;	2070	my ($self) = @_;
1401		2071
1402	local $self->{deny_reset} = 1; # loading can take a long time	2072	local $self->{deny_reset} = 1; # loading can take a long time
1403		2073
1404	my $path = $self->{path};	2074	my $path = $self->{path};
		2075
		2076	{
1405	my $guard = cf::lock_acquire "map_load:$path";	2077	my $guard = cf::lock_acquire "map_data:$path";
1406		2078
		2079	return unless $self->valid;
1407	return if $self->in_memory != cf::MAP_SWAPPED;	2080	return unless $self->in_memory == cf::MAP_SWAPPED;
1408		2081
1409	$self->in_memory (cf::MAP_LOADING);	2082	$self->in_memory (cf::MAP_LOADING);
1410		2083
1411	$self->alloc;	2084	$self->alloc;
1412		2085
1413	$self->pre_load;	2086	$self->pre_load;
		2087	cf::cede_to_tick;
1414		2088
1415	$self->_load_objects ($self->{load_path}, 1)	2089	my $f = new_from_file cf::object::thawer $self->{load_path};
		2090	$f->skip_block;
		2091	$self->_load_objects ($f)
1416	or return;	2092	or return;
1417		2093
1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2094	$self->post_load_original
1419	if delete $self->{load_original};	2095	if delete $self->{load_original};
1420		2096
1421	if (my $uniq = $self->uniq_path) {	2097	if (my $uniq = $self->uniq_path) {
1422	utf8::encode $uniq;	2098	utf8::encode $uniq;
1423	if (aio_open $uniq, O_RDONLY, 0) {	2099	unless (aio_stat $uniq) {
		2100	if (my $f = new_from_file cf::object::thawer $uniq) {
1424	$self->clear_unique_items;	2101	$self->clear_unique_items;
1425	$self->_load_objects ($uniq, 0);	2102	$self->_load_objects ($f);
		2103	$f->resolve_delayed_derefs;
		2104	}
1426	}	2105	}
1427	}	2106	}
1428		2107
1429	Coro::cede;	2108	$f->resolve_delayed_derefs;
1430		2109
		2110	cf::cede_to_tick;
1431	# now do the right thing for maps	2111	# now do the right thing for maps
1432	$self->link_multipart_objects;	2112	$self->link_multipart_objects;
1433
1434	unless ($self->{deny_activate}) {
1435	$self->decay_objects;
1436	$self->fix_auto_apply;
1437	$self->update_buttons;
1438	Coro::cede;
1439	$self->set_darkness_map;
1440	$self->difficulty ($self->estimate_difficulty)	2113	$self->difficulty ($self->estimate_difficulty)
1441	unless $self->difficulty;	2114	unless $self->difficulty;
1442	Coro::cede;	2115	cf::cede_to_tick;
		2116
		2117	unless ($self->{deny_activate}) {
		2118	$self->decay_objects;
		2119	$self->fix_auto_apply;
		2120	$self->update_buttons;
		2121	cf::cede_to_tick;
		2122	$self->set_darkness_map;
		2123	cf::cede_to_tick;
1443	$self->activate;	2124	$self->activate;
		2125	}
		2126
		2127	$self->{last_save} = $cf::RUNTIME;
		2128	$self->last_access ($cf::RUNTIME);
		2129
		2130	$self->in_memory (cf::MAP_ACTIVE);
1444	}	2131	}
1445		2132
1446	$self->post_load;	2133	$self->post_load;
1447
1448	$self->in_memory (cf::MAP_IN_MEMORY);
1449	}	2134	}
1450		2135
1451	sub customise_for {	2136	sub customise_for {
1452	my ($self, $ob) = @_;	2137	my ($self, $ob) = @_;
1453		2138
1454	return find "~" . $ob->name . "/" . $self->{path}	2139	return find "~" . $ob->name . "/" . $self->{path}
1455	if $self->per_player;	2140	if $self->per_player;
1456		2141
		2142	# return find "?party/" . $ob->name . "/" . $self->{path}
		2143	# if $self->per_party;
		2144
1457	$self	2145	$self
1458	}	2146	}
1459		2147
1460	# find and load all maps in the 3x3 area around a map	2148	# find and load all maps in the 3x3 area around a map
1461	sub load_diag {	2149	sub load_neighbours {
1462	my ($map) = @_;	2150	my ($map) = @_;
1463		2151
1464	my @diag; # diagonal neighbours	2152	my @neigh; # diagonal neighbours
1465		2153
1466	for (0 .. 3) {	2154	for (0 .. 3) {
1467	my $neigh = $map->tile_path ($_)	2155	my $neigh = $map->tile_path ($_)
1468	or next;	2156	or next;
1469	$neigh = find $neigh, $map	2157	$neigh = find $neigh, $map
1470	or next;	2158	or next;
1471	$neigh->load;	2159	$neigh->load;
1472		2160
		2161	push @neigh,
1473	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2162	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1474	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2163	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1475	}	2164	}
1476		2165
1477	for (@diag) {	2166	for (grep defined $_->[0], @neigh) {
		2167	my ($path, $origin) = @$_;
1478	my $neigh = find @$_	2168	my $neigh = find $path, $origin
1479	or next;	2169	or next;
1480	$neigh->load;	2170	$neigh->load;
1481	}	2171	}
1482	}	2172	}
1483		2173
…		…
1488	}	2178	}
1489		2179
1490	sub do_load_sync {	2180	sub do_load_sync {
1491	my ($map) = @_;	2181	my ($map) = @_;
1492		2182
		2183	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2184	if $Coro::current == $Coro::main;
		2185
1493	cf::sync_job { $map->load };	2186	cf::sync_job { $map->load };
1494	}	2187	}
1495		2188
1496	our %MAP_PREFETCH;	2189	our %MAP_PREFETCH;
1497	our $MAP_PREFETCHER = undef;	2190	our $MAP_PREFETCHER = undef;
1498		2191
1499	sub find_async {	2192	sub find_async {
1500	my ($path, $origin) = @_;	2193	my ($path, $origin, $load) = @_;
1501		2194
1502	$path = normalise $path, $origin && $origin->{path};	2195	$path = normalise $path, $origin && $origin->{path};
1503		2196
1504	if (my $map = $cf::MAP{$path}) {	2197	if (my $map = $cf::MAP{$path}) {
1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2198	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1506	}	2199	}
1507		2200
1508	undef $MAP_PREFETCH{$path};	2201	$MAP_PREFETCH{$path} |= $load;
		2202
1509	$MAP_PREFETCHER ||= cf::async {	2203	$MAP_PREFETCHER ||= cf::async {
		2204	$Coro::current->{desc} = "map prefetcher";
		2205
1510	while (%MAP_PREFETCH) {	2206	while (%MAP_PREFETCH) {
1511	for my $path (keys %MAP_PREFETCH) {	2207	while (my ($k, $v) = each %MAP_PREFETCH) {
1512	my $map = find $path	2208	if (my $map = find $k) {
1513	or next;
1514	$map->load;	2209	$map->load if $v;
		2210	}
1515		2211
1516	delete $MAP_PREFETCH{$path};	2212	delete $MAP_PREFETCH{$k};
1517	}	2213	}
1518	}	2214	}
1519	undef $MAP_PREFETCHER;	2215	undef $MAP_PREFETCHER;
1520	};	2216	};
1521	$MAP_PREFETCHER->prio (6);	2217	$MAP_PREFETCHER->prio (6);
…		…
1524	}	2220	}
1525		2221
1526	sub save {	2222	sub save {
1527	my ($self) = @_;	2223	my ($self) = @_;
1528		2224
1529	my $lock = cf::lock_acquire "map_data:" . $self->path;	2225	my $lock = cf::lock_acquire "map_data:$self->{path}";
1530		2226
1531	$self->{last_save} = $cf::RUNTIME;	2227	$self->{last_save} = $cf::RUNTIME;
1532		2228
1533	return unless $self->dirty;	2229	return unless $self->dirty;
1534		2230
…		…
1540	return if $self->{deny_save};	2236	return if $self->{deny_save};
1541		2237
1542	local $self->{last_access} = $self->last_access;#d#	2238	local $self->{last_access} = $self->last_access;#d#
1543		2239
1544	cf::async {	2240	cf::async {
		2241	$Coro::current->{desc} = "map player save";
1545	$_->contr->save for $self->players;	2242	$_->contr->save for $self->players;
1546	};	2243	};
		2244
		2245	cf::get_slot 0.02;
1547		2246
1548	if ($uniq) {	2247	if ($uniq) {
1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2248	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1550	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2249	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1551	} else {	2250	} else {
…		…
1557	my ($self) = @_;	2256	my ($self) = @_;
1558		2257
1559	# save first because save cedes	2258	# save first because save cedes
1560	$self->save;	2259	$self->save;
1561		2260
1562	my $lock = cf::lock_acquire "map_data:" . $self->path;	2261	my $lock = cf::lock_acquire "map_data:$self->{path}";
1563		2262
1564	return if $self->players;	2263	return if $self->players;
1565	return if $self->in_memory != cf::MAP_IN_MEMORY;	2264	return if $self->in_memory != cf::MAP_ACTIVE;
1566	return if $self->{deny_save};	2265	return if $self->{deny_save};
1567		2266
		2267	$self->in_memory (cf::MAP_SWAPPED);
		2268
		2269	$self->deactivate;
		2270	$_->clear_links_to ($self) for values %cf::MAP;
1568	$self->clear;	2271	$self->clear;
1569	$self->in_memory (cf::MAP_SWAPPED);
1570	}	2272	}
1571		2273
1572	sub reset_at {	2274	sub reset_at {
1573	my ($self) = @_;	2275	my ($self) = @_;
1574		2276
1575	# TODO: safety, remove and allow resettable per-player maps	2277	# TODO: safety, remove and allow resettable per-player maps
1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1577	return 1e99 if $self->{deny_reset};	2278	return 1e99 if $self->{deny_reset};
1578		2279
1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2280	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2281	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1581		2282
…		…
1592	my ($self) = @_;	2293	my ($self) = @_;
1593		2294
1594	my $lock = cf::lock_acquire "map_data:$self->{path}";	2295	my $lock = cf::lock_acquire "map_data:$self->{path}";
1595		2296
1596	return if $self->players;	2297	return if $self->players;
1597	return if $self->isa ("ext::map_per_player");#d#
1598		2298
1599	warn "resetting map ", $self->path;#d#	2299	warn "resetting map ", $self->path;
		2300
		2301	$self->in_memory (cf::MAP_SWAPPED);
		2302
		2303	# need to save uniques path
		2304	unless ($self->{deny_save}) {
		2305	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2306
		2307	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2308	if $uniq;
		2309	}
1600		2310
1601	delete $cf::MAP{$self->path};	2311	delete $cf::MAP{$self->path};
1602		2312
1603	$self->in_memory (cf::MAP_SWAPPED);	2313	$self->deactivate;
		2314	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2315	$self->clear;
1605
1606	$_->clear_links_to ($self) for values %cf::MAP;
1607		2316
1608	$self->unlink_save;	2317	$self->unlink_save;
1609	$self->destroy;	2318	$self->destroy;
1610	}	2319	}
1611		2320
1612	my $nuke_counter = "aaaa";	2321	my $nuke_counter = "aaaa";
1613		2322
1614	sub nuke {	2323	sub nuke {
1615	my ($self) = @_;	2324	my ($self) = @_;
1616		2325
		2326	{
		2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2328
1617	delete $cf::MAP{$self->path};	2329	delete $cf::MAP{$self->path};
1618		2330
1619	$self->unlink_save;	2331	$self->unlink_save;
1620		2332
1621	bless $self, "cf::map";	2333	bless $self, "cf::map";
1622	delete $self->{deny_reset};	2334	delete $self->{deny_reset};
1623	$self->{deny_save} = 1;	2335	$self->{deny_save} = 1;
1624	$self->reset_timeout (1);	2336	$self->reset_timeout (1);
1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2337	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1626		2338
1627	$cf::MAP{$self->path} = $self;	2339	$cf::MAP{$self->path} = $self;
		2340	}
1628		2341
1629	$self->reset; # polite request, might not happen	2342	$self->reset; # polite request, might not happen
		2343	}
		2344
		2345	=item $maps = cf::map::tmp_maps
		2346
		2347	Returns an arrayref with all map paths of currently instantiated and saved
		2348	maps. May block.
		2349
		2350	=cut
		2351
		2352	sub tmp_maps() {
		2353	[
		2354	map {
		2355	utf8::decode $_;
		2356	/\.map$/
		2357	? normalise $_
		2358	: ()
		2359	} @{ aio_readdir $TMPDIR or [] }
		2360	]
		2361	}
		2362
		2363	=item $maps = cf::map::random_maps
		2364
		2365	Returns an arrayref with all map paths of currently instantiated and saved
		2366	random maps. May block.
		2367
		2368	=cut
		2369
		2370	sub random_maps() {
		2371	[
		2372	map {
		2373	utf8::decode $_;
		2374	/\.map$/
		2375	? normalise "?random/$_"
		2376	: ()
		2377	} @{ aio_readdir $RANDOMDIR or [] }
		2378	]
1630	}	2379	}
1631		2380
1632	=item cf::map::unique_maps	2381	=item cf::map::unique_maps
1633		2382
1634	Returns an arrayref of paths of all shared maps that have	2383	Returns an arrayref of paths of all shared maps that have
1635	instantiated unique items. May block.	2384	instantiated unique items. May block.
1636		2385
1637	=cut	2386	=cut
1638		2387
1639	sub unique_maps() {	2388	sub unique_maps() {
1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2389	[
1641	or return;	2390	map {
1642
1643	my @paths;
1644
1645	for (@$files) {
1646	utf8::decode $_;	2391	utf8::decode $_;
1647	next if /\.pst$/;	2392	s/\.map$//; # TODO future compatibility hack
1648	next unless /^$PATH_SEP/o;	2393	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1649		2394	? ()
1650	push @paths, cf::map::normalise $_;	2395	: normalise $_
		2396	} @{ aio_readdir $UNIQUEDIR or [] }
1651	}	2397	]
1652
1653	\@paths
1654	}	2398	}
1655
1656	package cf;
1657		2399
1658	=back	2400	=back
1659		2401
1660	=head3 cf::object	2402	=head3 cf::object
1661		2403
…		…
1665		2407
1666	=over 4	2408	=over 4
1667		2409
1668	=item $ob->inv_recursive	2410	=item $ob->inv_recursive
1669		2411
1670	Returns the inventory of the object _and_ their inventories, recursively.	2412	Returns the inventory of the object I<and> their inventories, recursively,
		2413	but I<not> the object itself.
1671		2414
1672	=cut	2415	=cut
1673		2416
1674	sub inv_recursive_;	2417	sub inv_recursive_;
1675	sub inv_recursive_ {	2418	sub inv_recursive_ {
…		…
1678		2421
1679	sub inv_recursive {	2422	sub inv_recursive {
1680	inv_recursive_ inv $_[0]	2423	inv_recursive_ inv $_[0]
1681	}	2424	}
1682		2425
		2426	=item $ref = $ob->ref
		2427
		2428	Creates and returns a persistent reference to an object that can be stored as a string.
		2429
		2430	=item $ob = cf::object::deref ($refstring)
		2431
		2432	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2433	even if the object actually exists. May block.
		2434
		2435	=cut
		2436
		2437	sub deref {
		2438	my ($ref) = @_;
		2439
		2440	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2441	my ($uuid, $name) = ($1, $2);
		2442	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2443	or return;
		2444	$pl->ob->uuid eq $uuid
		2445	or return;
		2446
		2447	$pl->ob
		2448	} else {
		2449	warn "$ref: cannot resolve object reference\n";
		2450	undef
		2451	}
		2452	}
		2453
1683	package cf;	2454	package cf;
1684		2455
1685	=back	2456	=back
1686		2457
1687	=head3 cf::object::player	2458	=head3 cf::object::player
…		…
1693	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2464	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1694	can be C<undef>. Does the right thing when the player is currently in a	2465	can be C<undef>. Does the right thing when the player is currently in a
1695	dialogue with the given NPC character.	2466	dialogue with the given NPC character.
1696		2467
1697	=cut	2468	=cut
		2469
		2470	our $SAY_CHANNEL = {
		2471	id => "say",
		2472	title => "Map",
		2473	reply => "say ",
		2474	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2475	};
		2476
		2477	our $CHAT_CHANNEL = {
		2478	id => "chat",
		2479	title => "Chat",
		2480	reply => "chat ",
		2481	tooltip => "Player chat and shouts, global to the server.",
		2482	};
1698		2483
1699	# rough implementation of a future "reply" method that works	2484	# rough implementation of a future "reply" method that works
1700	# with dialog boxes.	2485	# with dialog boxes.
1701	#TODO: the first argument must go, split into a $npc->reply_to ( method	2486	#TODO: the first argument must go, split into a $npc->reply_to ( method
1702	sub cf::object::player::reply($$$;$) {	2487	sub cf::object::player::reply($$$;$) {
…		…
1704		2489
1705	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2490	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1706		2491
1707	if ($self->{record_replies}) {	2492	if ($self->{record_replies}) {
1708	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2493	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2494
1709	} else {	2495	} else {
		2496	my $pl = $self->contr;
		2497
		2498	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2499	my $dialog = $pl->{npc_dialog};
		2500	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2501
		2502	} else {
1710	$msg = $npc->name . " says: $msg" if $npc;	2503	$msg = $npc->name . " says: $msg" if $npc;
1711	$self->message ($msg, $flags);	2504	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2505	}
1712	}	2506	}
		2507	}
		2508
		2509	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2510
		2511	=cut
		2512
		2513	sub cf::object::send_msg {
		2514	my $pl = shift->contr
		2515	or return;
		2516	$pl->send_msg (@_);
1713	}	2517	}
1714		2518
1715	=item $player_object->may ("access")	2519	=item $player_object->may ("access")
1716		2520
1717	Returns wether the given player is authorized to access resource "access"	2521	Returns wether the given player is authorized to access resource "access"
…		…
1764	$self->deactivate_recursive;	2568	$self->deactivate_recursive;
1765		2569
1766	return if UNIVERSAL::isa $self->map, "ext::map_link";	2570	return if UNIVERSAL::isa $self->map, "ext::map_link";
1767		2571
1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2572	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1769	if $self->map;	2573	if $self->map && $self->map->{path} ne "{link}";
1770		2574
1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2575	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1772	}	2576	}
1773		2577
1774	sub cf::object::player::leave_link {	2578	sub cf::object::player::leave_link {
1775	my ($self, $map, $x, $y) = @_;	2579	my ($self, $map, $x, $y) = @_;
		2580
		2581	return unless $self->contr->active;
1776		2582
1777	my $link_pos = delete $self->{_link_pos};	2583	my $link_pos = delete $self->{_link_pos};
1778		2584
1779	unless ($map) {	2585	unless ($map) {
1780	# restore original map position	2586	# restore original map position
…		…
1794	# use -1 or undef as default coordinates, not 0, 0	2600	# use -1 or undef as default coordinates, not 0, 0
1795	($x, $y) = ($map->enter_x, $map->enter_y)	2601	($x, $y) = ($map->enter_x, $map->enter_y)
1796	if $x <=0 && $y <= 0;	2602	if $x <=0 && $y <= 0;
1797		2603
1798	$map->load;	2604	$map->load;
1799	$map->load_diag;	2605	$map->load_neighbours;
1800		2606
1801	return unless $self->contr->active;	2607	return unless $self->contr->active;
1802	$self->activate_recursive;	2608	$self->activate_recursive;
		2609
		2610	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1803	$self->enter_map ($map, $x, $y);	2611	$self->enter_map ($map, $x, $y);
1804	}	2612	}
1805		2613
1806	cf::player->attach (	2614	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1807	on_logout => sub {
1808	my ($pl) = @_;
1809		2615
1810	# abort map switching before logout	2616	Moves the player to the given map-path and coordinates by first freezing
1811	if ($pl->ob->{_link_pos}) {	2617	her, loading and preparing them map, calling the provided $check callback
1812	cf::sync_job {	2618	that has to return the map if sucecssful, and then unfreezes the player on
1813	$pl->ob->leave_link	2619	the new (success) or old (failed) map position. In either case, $done will
1814	};	2620	be called at the end of this process.
1815	}
1816	},
1817	on_login => sub {
1818	my ($pl) = @_;
1819		2621
1820	# try to abort aborted map switching on player login :)	2622	Note that $check will be called with a potentially non-loaded map, so if
1821	# should happen only on crashes	2623	it needs a loaded map it has to call C<< ->load >>.
1822	if ($pl->ob->{_link_pos}) {
1823	$pl->ob->enter_link;
1824	(async {
1825	# we need this sleep as the login has a concurrent enter_exit running
1826	# and this sleep increases chances of the player not ending up in scorn
1827	$pl->ob->reply (undef,
1828	"There was an internal problem at your last logout, "
1829	. "the server will try to bring you to your intended destination in a second.",
1830	cf::NDI_RED);
1831	Coro::Timer::sleep 1;
1832	$pl->ob->leave_link;
1833	})->prio (2);
1834	}
1835	},
1836	);
1837		2624
1838	=item $player_object->goto ($path, $x, $y)
1839
1840	=cut	2625	=cut
		2626
		2627	our $GOTOGEN;
1841		2628
1842	sub cf::object::player::goto {	2629	sub cf::object::player::goto {
1843	my ($self, $path, $x, $y) = @_;	2630	my ($self, $path, $x, $y, $check, $done) = @_;
		2631
		2632	# do generation counting so two concurrent goto's will be executed in-order
		2633	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1844		2634
1845	$self->enter_link;	2635	$self->enter_link;
1846		2636
1847	(async {	2637	(async {
		2638	$Coro::current->{desc} = "player::goto $path $x $y";
		2639
		2640	# *tag paths override both path and x|y
		2641	if ($path =~ /^\*(.*)$/) {
		2642	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2643	my $ob = $obs[rand @obs];
		2644
		2645	# see if we actually can go there
		2646	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2647	$ob = $obs[rand @obs];
		2648	} else {
		2649	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2650	}
		2651	# else put us there anyways for now #d#
		2652
		2653	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2654	} else {
		2655	($path, $x, $y) = (undef, undef, undef);
		2656	}
		2657	}
		2658
1848	my $map = eval {	2659	my $map = eval {
1849	my $map = cf::map::find $path;	2660	my $map = defined $path ? cf::map::find $path : undef;
		2661
		2662	if ($map) {
1850	$map = $map->customise_for ($self) if $map;	2663	$map = $map->customise_for ($self);
		2664	$map = $check->($map) if $check && $map;
		2665	} else {
		2666	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2667	}
		2668
1851	$map	2669	$map
		2670	};
		2671
		2672	if ($@) {
		2673	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2674	LOG llevError | logBacktrace, Carp::longmess $@;
1852	} or	2675	}
1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		2676
		2677	if ($gen == $self->{_goto_generation}) {
		2678	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2679	$self->leave_link ($map, $x, $y);
		2680	}
		2681
		2682	$done->() if $done;
1856	})->prio (1);	2683	})->prio (1);
1857	}	2684	}
1858		2685
1859	=item $player_object->enter_exit ($exit_object)	2686	=item $player_object->enter_exit ($exit_object)
1860		2687
…		…
1880	}	2707	}
1881		2708
1882	sub prepare_random_map {	2709	sub prepare_random_map {
1883	my ($exit) = @_;	2710	my ($exit) = @_;
1884		2711
1885	my $guard = cf::lock_acquire "exit_prepare:$exit";
1886
1887	# all this does is basically replace the /! path by	2712	# all this does is basically replace the /! path by
1888	# a new random map path (?random/...) with a seed	2713	# a new random map path (?random/...) with a seed
1889	# that depends on the exit object	2714	# that depends on the exit object
1890		2715
1891	my $rmp = parse_random_map_params $exit->msg;	2716	my $rmp = parse_random_map_params $exit->msg;
…		…
1893	if ($exit->map) {	2718	if ($exit->map) {
1894	$rmp->{region} = $exit->region->name;	2719	$rmp->{region} = $exit->region->name;
1895	$rmp->{origin_map} = $exit->map->path;	2720	$rmp->{origin_map} = $exit->map->path;
1896	$rmp->{origin_x} = $exit->x;	2721	$rmp->{origin_x} = $exit->x;
1897	$rmp->{origin_y} = $exit->y;	2722	$rmp->{origin_y} = $exit->y;
		2723
		2724	$exit->map->touch;
1898	}	2725	}
1899		2726
1900	$rmp->{random_seed} ||= $exit->random_seed;	2727	$rmp->{random_seed} ||= $exit->random_seed;
1901		2728
1902	my $data = cf::to_json $rmp;	2729	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1903	my $md5 = Digest::MD5::md5_hex $data;	2730	my $md5 = Digest::MD5::md5_hex $data;
1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2731	my $meta = "$RANDOMDIR/$md5.meta";
1905		2732
1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2733	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1907	aio_write $fh, 0, (length $data), $data, 0;	2734	aio_write $fh, 0, (length $data), $data, 0;
1908	undef $fh;	2735	undef $fh;
1909	aio_rename "$meta~", $meta;	2736	aio_rename "$meta~", $meta;
1910		2737
		2738	my $slaying = "?random/$md5";
		2739
		2740	if ($exit->valid) {
1911	$exit->slaying ("?random/$md5");	2741	$exit->slaying ("?random/$md5");
1912	$exit->msg (undef);	2742	$exit->msg (undef);
		2743	}
1913	}	2744	}
1914	}	2745	}
1915		2746
1916	sub cf::object::player::enter_exit {	2747	sub cf::object::player::enter_exit {
1917	my ($self, $exit) = @_;	2748	my ($self, $exit) = @_;
1918		2749
1919	return unless $self->type == cf::PLAYER;	2750	return unless $self->type == cf::PLAYER;
1920		2751
1921	if ($exit->slaying eq "/!") {
1922	#TODO: this should de-fi-ni-te-ly not be a sync-job
1923	cf::sync_job { prepare_random_map $exit };
1924	}
1925
1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927	my $hp = $exit->stats->hp;
1928	my $sp = $exit->stats->sp;
1929
1930	$self->enter_link;	2752	$self->enter_link;
1931		2753
1932	(async {	2754	(async {
1933	$self->deactivate_recursive; # just to be sure	2755	$Coro::current->{desc} = "enter_exit";
		2756
1934	unless (eval {	2757	unless (eval {
		2758	$self->deactivate_recursive; # just to be sure
		2759
		2760	# random map handling
		2761	{
		2762	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2763
		2764	prepare_random_map $exit
		2765	if $exit->slaying eq "/!";
		2766	}
		2767
		2768	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2769	my $x = $exit->stats->hp;
		2770	my $y = $exit->stats->sp;
		2771
1935	$self->goto ($slaying, $hp, $sp);	2772	$self->goto ($map, $x, $y);
1936		2773
		2774	# if exit is damned, update players death & WoR home-position
		2775	$self->contr->savebed ($map, $x, $y)
		2776	if $exit->flag (cf::FLAG_DAMNED);
		2777
1937	1;	2778	1
1938	}) {	2779	}) {
1939	$self->message ("Something went wrong deep within the crossfire server. "	2780	$self->message ("Something went wrong deep within the crossfire server. "
1940	. "I'll try to bring you back to the map you were before. "	2781	. "I'll try to bring you back to the map you were before. "
1941	. "Please report this to the dungeon master!",	2782	. "Please report this to the dungeon master!",
1942	cf::NDI_UNIQUE | cf::NDI_RED);	2783	cf::NDI_UNIQUE | cf::NDI_RED);
1943		2784
1944	warn "ERROR in enter_exit: $@";	2785	warn "ERROR in enter_exit: $@";
1945	$self->leave_link;	2786	$self->leave_link;
1946	}	2787	}
1947	})->prio (1);	2788	})->prio (1);
…		…
1960		2801
1961	sub cf::client::send_drawinfo {	2802	sub cf::client::send_drawinfo {
1962	my ($self, $text, $flags) = @_;	2803	my ($self, $text, $flags) = @_;
1963		2804
1964	utf8::encode $text;	2805	utf8::encode $text;
1965	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2806	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966	}	2807	}
1967		2808
		2809	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2810
		2811	Send a drawinfo or msg packet to the client, formatting the msg for the
		2812	client if neccessary. C<$type> should be a string identifying the type of
		2813	the message, with C<log> being the default. If C<$color> is negative, suppress
		2814	the message unless the client supports the msg packet.
		2815
		2816	=cut
		2817
		2818	# non-persistent channels (usually the info channel)
		2819	our %CHANNEL = (
		2820	"c/identify" => {
		2821	id => "infobox",
		2822	title => "Identify",
		2823	reply => undef,
		2824	tooltip => "Items recently identified",
		2825	},
		2826	"c/examine" => {
		2827	id => "infobox",
		2828	title => "Examine",
		2829	reply => undef,
		2830	tooltip => "Signs and other items you examined",
		2831	},
		2832	"c/book" => {
		2833	id => "infobox",
		2834	title => "Book",
		2835	reply => undef,
		2836	tooltip => "The contents of a note or book",
		2837	},
		2838	"c/lookat" => {
		2839	id => "infobox",
		2840	title => "Look",
		2841	reply => undef,
		2842	tooltip => "What you saw there",
		2843	},
		2844	"c/who" => {
		2845	id => "infobox",
		2846	title => "Players",
		2847	reply => undef,
		2848	tooltip => "Shows players who are currently online",
		2849	},
		2850	"c/body" => {
		2851	id => "infobox",
		2852	title => "Body Parts",
		2853	reply => undef,
		2854	tooltip => "Shows which body parts you posess and are available",
		2855	},
		2856	"c/uptime" => {
		2857	id => "infobox",
		2858	title => "Uptime",
		2859	reply => undef,
		2860	tooltip => "How long the server has been running since last restart",
		2861	},
		2862	"c/mapinfo" => {
		2863	id => "infobox",
		2864	title => "Map Info",
		2865	reply => undef,
		2866	tooltip => "Information related to the maps",
		2867	},
		2868	"c/party" => {
		2869	id => "party",
		2870	title => "Party",
		2871	reply => "gsay ",
		2872	tooltip => "Messages and chat related to your party",
		2873	},
		2874	);
		2875
		2876	sub cf::client::send_msg {
		2877	my ($self, $channel, $msg, $color, @extra) = @_;
		2878
		2879	$msg = $self->pl->expand_cfpod ($msg);
		2880
		2881	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2882
		2883	# check predefined channels, for the benefit of C
		2884	if ($CHANNEL{$channel}) {
		2885	$channel = $CHANNEL{$channel};
		2886
		2887	$self->ext_msg (channel_info => $channel)
		2888	if $self->can_msg;
		2889
		2890	$channel = $channel->{id};
		2891
		2892	} elsif (ref $channel) {
		2893	# send meta info to client, if not yet sent
		2894	unless (exists $self->{channel}{$channel->{id}}) {
		2895	$self->{channel}{$channel->{id}} = $channel;
		2896	$self->ext_msg (channel_info => $channel)
		2897	if $self->can_msg;
		2898	}
		2899
		2900	$channel = $channel->{id};
		2901	}
		2902
		2903	return unless @extra || length $msg;
		2904
		2905	if ($self->can_msg) {
		2906	# default colour, mask it out
		2907	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2908	if $color & cf::NDI_DEF;
		2909
		2910	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2911	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2912	} else {
		2913	if ($color >= 0) {
		2914	# replace some tags by gcfclient-compatible ones
		2915	for ($msg) {
		2916	1 while
		2917	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2918	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2919	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2920	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2921	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2922	}
		2923
		2924	$color &= cf::NDI_COLOR_MASK;
		2925
		2926	utf8::encode $msg;
		2927
		2928	if (0 && $msg =~ /\[/) {
		2929	# COMMAND/INFO
		2930	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2931	} else {
		2932	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2933	$self->send_packet ("drawinfo $color $msg")
		2934	}
		2935	}
		2936	}
		2937	}
		2938
		2939	=item $client->ext_msg ($type, @msg)
		2940
		2941	Sends an ext event to the client.
		2942
		2943	=cut
		2944
		2945	sub cf::client::ext_msg($$@) {
		2946	my ($self, $type, @msg) = @_;
		2947
		2948	if ($self->extcmd == 2) {
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2950	} elsif ($self->extcmd == 1) { # TODO: remove
		2951	push @msg, msgtype => "event_$type";
		2952	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2953	}
		2954	}
		2955
		2956	=item $client->ext_reply ($msgid, @msg)
		2957
		2958	Sends an ext reply to the client.
		2959
		2960	=cut
		2961
		2962	sub cf::client::ext_reply($$@) {
		2963	my ($self, $id, @msg) = @_;
		2964
		2965	if ($self->extcmd == 2) {
		2966	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2967	} elsif ($self->extcmd == 1) {
		2968	#TODO: version 1, remove
		2969	unshift @msg, msgtype => "reply", msgid => $id;
		2970	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2971	}
		2972	}
1968		2973
1969	=item $success = $client->query ($flags, "text", \&cb)	2974	=item $success = $client->query ($flags, "text", \&cb)
1970		2975
1971	Queues a query to the client, calling the given callback with	2976	Queues a query to the client, calling the given callback with
1972	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2977	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1973	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2978	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1974		2979
1975	Queries can fail, so check the return code. Or don't, as queries will become	2980	Queries can fail, so check the return code. Or don't, as queries will
1976	reliable at some point in the future.	2981	become reliable at some point in the future.
1977		2982
1978	=cut	2983	=cut
1979		2984
1980	sub cf::client::query {	2985	sub cf::client::query {
1981	my ($self, $flags, $text, $cb) = @_;	2986	my ($self, $flags, $text, $cb) = @_;
…		…
1989	utf8::encode $text;	2994	utf8::encode $text;
1990	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2995	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1991		2996
1992	$self->send_packet ($self->{query_queue}[0][0])	2997	$self->send_packet ($self->{query_queue}[0][0])
1993	if @{ $self->{query_queue} } == 1;	2998	if @{ $self->{query_queue} } == 1;
		2999
		3000	1
1994	}	3001	}
1995		3002
1996	cf::client->attach (	3003	cf::client->attach (
		3004	on_connect => sub {
		3005	my ($ns) = @_;
		3006
		3007	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3008	},
1997	on_reply => sub {	3009	on_reply => sub {
1998	my ($ns, $msg) = @_;	3010	my ($ns, $msg) = @_;
1999		3011
2000	# this weird shuffling is so that direct followup queries	3012	# this weird shuffling is so that direct followup queries
2001	# get handled first	3013	# get handled first
2002	my $queue = delete $ns->{query_queue}	3014	my $queue = delete $ns->{query_queue}
2003	or return; # be conservative, not sure how that can happen, but we saw a crash here	3015	or return; # be conservative, not sure how that can happen, but we saw a crash here
2004		3016
2005	(shift @$queue)->[1]->($msg);	3017	(shift @$queue)->[1]->($msg);
		3018	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006		3019
2007	push @{ $ns->{query_queue} }, @$queue;	3020	push @{ $ns->{query_queue} }, @$queue;
2008		3021
2009	if (@{ $ns->{query_queue} } == @$queue) {	3022	if (@{ $ns->{query_queue} } == @$queue) {
2010	if (@$queue) {	3023	if (@$queue) {
…		…
2012	} else {	3025	} else {
2013	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3026	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2014	}	3027	}
2015	}	3028	}
2016	},	3029	},
		3030	on_exticmd => sub {
		3031	my ($ns, $buf) = @_;
		3032
		3033	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3034
		3035	if (ref $msg) {
		3036	my ($type, $reply, @payload) =
		3037	"ARRAY" eq ref $msg
		3038	? @$msg
		3039	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3040
		3041	my @reply;
		3042
		3043	if (my $cb = $EXTICMD{$type}) {
		3044	@reply = $cb->($ns, @payload);
		3045	}
		3046
		3047	$ns->ext_reply ($reply, @reply)
		3048	if $reply;
		3049
		3050	} else {
		3051	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3052	}
		3053
		3054	cf::override;
		3055	},
2017	);	3056	);
2018		3057
2019	=item $client->async (\&cb)	3058	=item $client->async (\&cb)
2020		3059
2021	Create a new coroutine, running the specified callback. The coroutine will	3060	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062	our $safe = new Safe "safe";	3101	our $safe = new Safe "safe";
2063	our $safe_hole = new Safe::Hole;	3102	our $safe_hole = new Safe::Hole;
2064		3103
2065	$SIG{FPE} = 'IGNORE';	3104	$SIG{FPE} = 'IGNORE';
2066		3105
2067	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3106	$safe->permit_only (Opcode::opset qw(
		3107	:base_core :base_mem :base_orig :base_math
		3108	grepstart grepwhile mapstart mapwhile
		3109	sort time
		3110	));
2068		3111
2069	# here we export the classes and methods available to script code	3112	# here we export the classes and methods available to script code
2070		3113
2071	=pod	3114	=pod
2072		3115
2073	The following fucntions and emthods are available within a safe environment:	3116	The following functions and methods are available within a safe environment:
2074		3117
2075	cf::object contr pay_amount pay_player map	3118	cf::object
		3119	contr pay_amount pay_player map x y force_find force_add destroy
		3120	insert remove name archname title slaying race decrease split
		3121
2076	cf::object::player player	3122	cf::object::player
2077	cf::player peaceful	3123	player
2078	cf::map trigger	3124
		3125	cf::player
		3126	peaceful
		3127
		3128	cf::map
		3129	trigger
2079		3130
2080	=cut	3131	=cut
2081		3132
2082	for (	3133	for (
2083	["cf::object" => qw(contr pay_amount pay_player map)],	3134	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3135	insert remove inv nrof name archname title slaying race
		3136	decrease split destroy change_exp)],
2084	["cf::object::player" => qw(player)],	3137	["cf::object::player" => qw(player)],
2085	["cf::player" => qw(peaceful)],	3138	["cf::player" => qw(peaceful)],
2086	["cf::map" => qw(trigger)],	3139	["cf::map" => qw(trigger)],
2087	) {	3140	) {
2088	no strict 'refs';	3141	no strict 'refs';
…		…
2159	=back	3212	=back
2160		3213
2161	=cut	3214	=cut
2162		3215
2163	#############################################################################	3216	#############################################################################
		3217	# the server's init and main functions
2164		3218
2165	=head2 EXTENSION DATABASE SUPPORT	3219	sub load_facedata($) {
		3220	my ($path) = @_;
2166		3221
2167	Crossfire maintains a very simple database for extension use. It can	3222	# HACK to clear player env face cache, we need some signal framework
2168	currently store anything that can be serialised using Storable, which	3223	# for this (global event?)
2169	excludes objects.	3224	%ext::player_env::MUSIC_FACE_CACHE = ();
2170		3225
2171	The parameter C<$family> should best start with the name of the extension	3226	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2172	using it, it should be unique.
2173		3227
2174	=over 4	3228	warn "loading facedata from $path\n";
2175		3229
2176	=item $hashref = cf::db_get $family	3230	my $facedata;
		3231	0 < aio_load $path, $facedata
		3232	or die "$path: $!";
2177		3233
2178	Return a hashref for use by the extension C<$family>, which can be	3234	$facedata = Coro::Storable::thaw $facedata;
2179	modified. After modifications, you have to call C<cf::db_dirty> or
2180	C<cf::db_sync>.
2181		3235
2182	=item $value = cf::db_get $family => $key	3236	$facedata->{version} == 2
		3237	or cf::cleanup "$path: version mismatch, cannot proceed.";
2183		3238
2184	Returns a single value from the database	3239	# patch in the exptable
2185		3240	$facedata->{resource}{"res/exp_table"} = {
2186	=item cf::db_put $family => $hashref	3241	type => FT_RSRC,
2187		3242	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2188	Stores the given family hashref into the database. Updates are delayed, if
2189	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family hash. Updates are delayed, if you
2194	want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_dirty
2197
2198	Marks the database as dirty, to be updated at a later time.
2199
2200	=item cf::db_sync
2201
2202	Immediately write the database to disk I<if it is dirty>.
2203
2204	=cut
2205
2206	our $DB;
2207
2208	{
2209	my $path = cf::localdir . "/database.pst";
2210
2211	sub db_load() {
2212	$DB = stat $path ? Storable::retrieve $path : { };
2213	}	3243	};
		3244	cf::cede_to_tick;
2214		3245
2215	my $pid;
2216
2217	sub db_save() {
2218	waitpid $pid, 0 if $pid;
2219	if (0 == ($pid = fork)) {
2220	$DB->{_meta}{version} = 1;
2221	Storable::nstore $DB, "$path~";
2222	rename "$path~", $path;
2223	cf::_exit 0 if defined $pid;
2224	}
2225	}	3246	{
		3247	my $faces = $facedata->{faceinfo};
2226		3248
2227	my $dirty;	3249	while (my ($face, $info) = each %$faces) {
		3250	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2228		3251
2229	sub db_sync() {	3252	cf::face::set_visibility $idx, $info->{visibility};
2230	db_save if $dirty;	3253	cf::face::set_magicmap $idx, $info->{magicmap};
2231	undef $dirty;	3254	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2232	}	3255	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2233		3256
2234	my $idle = Event->idle (	3257	cf::cede_to_tick;
2235	reentrant => 0,
2236	min => 10,
2237	max => 20,
2238	repeat => 0,
2239	data => WF_AUTOCANCEL,
2240	cb => \&db_sync,
2241	);
2242
2243	sub db_dirty() {
2244	$dirty = 1;
2245	$idle->start;
2246	}
2247
2248	sub db_get($;$) {
2249	@_ >= 2
2250	? $DB->{$_[0]}{$_[1]}
2251	: ($DB->{$_[0]} ||= { })
2252	}
2253
2254	sub db_put($$;$) {
2255	if (@_ >= 3) {
2256	$DB->{$_[0]}{$_[1]} = $_[2];
2257	} else {
2258	$DB->{$_[0]} = $_[1];
2259	}
2260	db_dirty;
2261	}
2262
2263	cf::global->attach (
2264	prio => 10000,
2265	on_cleanup => sub {
2266	db_sync;
2267	},	3258	}
2268	);
2269	}
2270		3259
2271	#############################################################################	3260	while (my ($face, $info) = each %$faces) {
2272	# the server's main()	3261	next unless $info->{smooth};
2273		3262
2274	sub cfg_load {	3263	my $idx = cf::face::find $face
		3264	or next;
		3265
		3266	if (my $smooth = cf::face::find $info->{smooth}) {
		3267	cf::face::set_smooth $idx, $smooth;
		3268	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3269	} else {
		3270	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3271	}
		3272
		3273	cf::cede_to_tick;
		3274	}
		3275	}
		3276
		3277	{
		3278	my $anims = $facedata->{animinfo};
		3279
		3280	while (my ($anim, $info) = each %$anims) {
		3281	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3282	cf::cede_to_tick;
		3283	}
		3284
		3285	cf::anim::invalidate_all; # d'oh
		3286	}
		3287
		3288	{
		3289	# TODO: for gcfclient pleasure, we should give resources
		3290	# that gcfclient doesn't grok a >10000 face index.
		3291	my $res = $facedata->{resource};
		3292
		3293	while (my ($name, $info) = each %$res) {
		3294	if (defined $info->{type}) {
		3295	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3296	my $data;
		3297
		3298	if ($info->{type} & 1) {
		3299	# prepend meta info
		3300
		3301	my $meta = $enc->encode ({
		3302	name => $name,
		3303	%{ $info->{meta} || {} },
		3304	});
		3305
		3306	$data = pack "(w/a*)*", $meta, $info->{data};
		3307	} else {
		3308	$data = $info->{data};
		3309	}
		3310
		3311	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3312	cf::face::set_type $idx, $info->{type};
		3313	} else {
		3314	$RESOURCE{$name} = $info;
		3315	}
		3316
		3317	cf::cede_to_tick;
		3318	}
		3319	}
		3320
		3321	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3322
		3323	1
		3324	}
		3325
		3326	cf::global->attach (on_resource_update => sub {
		3327	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3328	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3329
		3330	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3331	my $sound = $soundconf->{compat}[$_]
		3332	or next;
		3333
		3334	my $face = cf::face::find "sound/$sound->[1]";
		3335	cf::sound::set $sound->[0] => $face;
		3336	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3337	}
		3338
		3339	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3340	my $face = cf::face::find "sound/$v";
		3341	cf::sound::set $k => $face;
		3342	}
		3343	}
		3344	});
		3345
		3346	register_exticmd fx_want => sub {
		3347	my ($ns, $want) = @_;
		3348
		3349	while (my ($k, $v) = each %$want) {
		3350	$ns->fx_want ($k, $v);
		3351	}
		3352	};
		3353
		3354	sub load_resource_file($) {
		3355	my $guard = lock_acquire "load_resource_file";
		3356
		3357	my $status = load_resource_file_ $_[0];
		3358	get_slot 0.1, 100;
		3359	cf::arch::commit_load;
		3360
		3361	$status
		3362	}
		3363
		3364	sub reload_regions {
		3365	# HACK to clear player env face cache, we need some signal framework
		3366	# for this (global event?)
		3367	%ext::player_env::MUSIC_FACE_CACHE = ();
		3368
		3369	load_resource_file "$MAPDIR/regions"
		3370	or die "unable to load regions file\n";
		3371
		3372	for (cf::region::list) {
		3373	$_->{match} = qr/$_->{match}/
		3374	if exists $_->{match};
		3375	}
		3376	}
		3377
		3378	sub reload_facedata {
		3379	load_facedata "$DATADIR/facedata"
		3380	or die "unable to load facedata\n";
		3381	}
		3382
		3383	sub reload_archetypes {
		3384	load_resource_file "$DATADIR/archetypes"
		3385	or die "unable to load archetypes\n";
		3386	}
		3387
		3388	sub reload_treasures {
		3389	load_resource_file "$DATADIR/treasures"
		3390	or die "unable to load treasurelists\n";
		3391	}
		3392
		3393	sub reload_resources {
		3394	warn "reloading resource files...\n";
		3395
		3396	reload_facedata;
		3397	reload_archetypes;
		3398	reload_regions;
		3399	reload_treasures;
		3400
		3401	warn "finished reloading resource files\n";
		3402	}
		3403
		3404	sub init {
		3405	my $guard = freeze_mainloop;
		3406
		3407	evthread_start IO::AIO::poll_fileno;
		3408
		3409	reload_resources;
		3410	}
		3411
		3412	sub reload_config {
2275	open my $fh, "<:utf8", cf::confdir . "/config"	3413	open my $fh, "<:utf8", "$CONFDIR/config"
2276	or return;	3414	or return;
2277		3415
2278	local $/;	3416	local $/;
2279	*CFG = YAML::Syck::Load <$fh>;	3417	*CFG = YAML::Load <$fh>;
2280		3418
2281	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3419	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2282		3420
2283	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3421	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2284	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3422	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2295	sub main {	3433	sub main {
2296	# we must not ever block the main coroutine	3434	# we must not ever block the main coroutine
2297	local $Coro::idle = sub {	3435	local $Coro::idle = sub {
2298	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3436	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2299	(async {	3437	(async {
2300	Event::one_event;	3438	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3439	EV::loop EV::LOOP_ONESHOT;
2301	})->prio (Coro::PRIO_MAX);	3440	})->prio (Coro::PRIO_MAX);
2302	};	3441	};
2303		3442
2304	cfg_load;	3443	{
2305	db_load;	3444	my $guard = freeze_mainloop;
		3445	reload_config;
		3446	db_init;
2306	load_extensions;	3447	load_extensions;
2307		3448
2308	$TICK_WATCHER->start;	3449	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3450	}
		3451
2309	Event::loop;	3452	EV::loop;
2310	}	3453	}
2311		3454
2312	#############################################################################	3455	#############################################################################
2313	# initialisation and cleanup	3456	# initialisation and cleanup
2314		3457
2315	# install some emergency cleanup handlers	3458	# install some emergency cleanup handlers
2316	BEGIN {	3459	BEGIN {
		3460	our %SIGWATCHER = ();
2317	for my $signal (qw(INT HUP TERM)) {	3461	for my $signal (qw(INT HUP TERM)) {
2318	Event->signal (	3462	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2319	reentrant => 0,
2320	data => WF_AUTOCANCEL,
2321	signal => $signal,
2322	prio => 0,
2323	cb => sub {
2324	cf::cleanup "SIG$signal";	3463	cf::cleanup "SIG$signal";
2325	},
2326	);	3464	};
		3465	}
		3466	}
		3467
		3468	sub write_runtime_sync {
		3469	my $runtime = "$LOCALDIR/runtime";
		3470
		3471	# first touch the runtime file to show we are still running:
		3472	# the fsync below can take a very very long time.
		3473
		3474	IO::AIO::aio_utime $runtime, undef, undef;
		3475
		3476	my $guard = cf::lock_acquire "write_runtime";
		3477
		3478	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3479	or return;
		3480
		3481	my $value = $cf::RUNTIME + 90 + 10;
		3482	# 10 is the runtime save interval, for a monotonic clock
		3483	# 60 allows for the watchdog to kill the server.
		3484
		3485	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3486	and return;
		3487
		3488	# always fsync - this file is important
		3489	aio_fsync $fh
		3490	and return;
		3491
		3492	# touch it again to show we are up-to-date
		3493	aio_utime $fh, undef, undef;
		3494
		3495	close $fh
		3496	or return;
		3497
		3498	aio_rename "$runtime~", $runtime
		3499	and return;
		3500
		3501	warn "runtime file written.\n";
		3502
2327	}	3503	1
		3504	}
		3505
		3506	our $uuid_lock;
		3507	our $uuid_skip;
		3508
		3509	sub write_uuid_sync($) {
		3510	$uuid_skip ||= $_[0];
		3511
		3512	return if $uuid_lock;
		3513	local $uuid_lock = 1;
		3514
		3515	my $uuid = "$LOCALDIR/uuid";
		3516
		3517	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3518	or return;
		3519
		3520	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3521	$uuid_skip = 0;
		3522
		3523	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3524	and return;
		3525
		3526	# always fsync - this file is important
		3527	aio_fsync $fh
		3528	and return;
		3529
		3530	close $fh
		3531	or return;
		3532
		3533	aio_rename "$uuid~", $uuid
		3534	and return;
		3535
		3536	warn "uuid file written ($value).\n";
		3537
		3538	1
		3539
		3540	}
		3541
		3542	sub write_uuid($$) {
		3543	my ($skip, $sync) = @_;
		3544
		3545	$sync ? write_uuid_sync $skip
		3546	: async { write_uuid_sync $skip };
2328	}	3547	}
2329		3548
2330	sub emergency_save() {	3549	sub emergency_save() {
2331	my $freeze_guard = cf::freeze_mainloop;	3550	my $freeze_guard = cf::freeze_mainloop;
2332		3551
…		…
2338	# and maps saved/destroyed asynchronously.	3557	# and maps saved/destroyed asynchronously.
2339	warn "begin emergency player save\n";	3558	warn "begin emergency player save\n";
2340	for my $login (keys %cf::PLAYER) {	3559	for my $login (keys %cf::PLAYER) {
2341	my $pl = $cf::PLAYER{$login} or next;	3560	my $pl = $cf::PLAYER{$login} or next;
2342	$pl->valid or next;	3561	$pl->valid or next;
		3562	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2343	$pl->save;	3563	$pl->save;
2344	}	3564	}
2345	warn "end emergency player save\n";	3565	warn "end emergency player save\n";
2346		3566
2347	warn "begin emergency map save\n";	3567	warn "begin emergency map save\n";
…		…
2349	my $map = $cf::MAP{$path} or next;	3569	my $map = $cf::MAP{$path} or next;
2350	$map->valid or next;	3570	$map->valid or next;
2351	$map->save;	3571	$map->save;
2352	}	3572	}
2353	warn "end emergency map save\n";	3573	warn "end emergency map save\n";
		3574
		3575	warn "begin emergency database checkpoint\n";
		3576	BDB::db_env_txn_checkpoint $DB_ENV;
		3577	warn "end emergency database checkpoint\n";
		3578
		3579	warn "begin write uuid\n";
		3580	write_uuid_sync 1;
		3581	warn "end write uuid\n";
2354	};	3582	};
2355		3583
2356	warn "leave emergency perl save\n";	3584	warn "leave emergency perl save\n";
2357	}	3585	}
2358		3586
		3587	sub post_cleanup {
		3588	my ($make_core) = @_;
		3589
		3590	warn Carp::longmess "post_cleanup backtrace"
		3591	if $make_core;
		3592	}
		3593
		3594	# a safer delete_package, copied from Symbol
		3595	sub clear_package($) {
		3596	my $pkg = shift;
		3597
		3598	# expand to full symbol table name if needed
		3599	unless ($pkg =~ /^main::.*::$/) {
		3600	$pkg = "main$pkg" if $pkg =~ /^::/;
		3601	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3602	$pkg .= '::' unless $pkg =~ /::$/;
		3603	}
		3604
		3605	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3606	my $stem_symtab = *{$stem}{HASH};
		3607
		3608	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3609	or return;
		3610
		3611	# clear all symbols
		3612	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3613	for my $name (keys %$leaf_symtab) {
		3614	_gv_clear *{"$pkg$name"};
		3615	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3616	}
		3617	warn "cleared package #$pkg\n";#d#
		3618	}
		3619
		3620	our $RELOAD; # how many times to reload
		3621
2359	sub reload() {	3622	sub do_reload_perl() {
2360	# can/must only be called in main	3623	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3624	if ($Coro::current != $Coro::main) {
2362	warn "can only reload from main coroutine";	3625	warn "can only reload from main coroutine";
2363	return;	3626	return;
2364	}	3627	}
2365		3628
		3629	return if $RELOAD++;
		3630
		3631	while ($RELOAD) {
2366	warn "reloading...";	3632	warn "reloading...";
2367		3633
2368	warn "cancelling server ticker";	3634	warn "entering sync_job";
2369	$TICK_WATCHER->cancel;
2370		3635
		3636	cf::sync_job {
		3637	cf::write_runtime_sync; # external watchdog should not bark
2371	cf::emergency_save;	3638	cf::emergency_save;
		3639	cf::write_runtime_sync; # external watchdog should not bark
2372		3640
2373	eval {	3641	warn "syncing database to disk";
		3642	BDB::db_env_txn_checkpoint $DB_ENV;
		3643
2374	# if anything goes wrong in here, we should simply crash as we already saved	3644	# if anything goes wrong in here, we should simply crash as we already saved
2375		3645
2376	warn "syncing database to disk";
2377	cf::db_sync;
2378
2379	warn "cancelling all WF_AUTOCANCEL watchers";
2380	for (Event::all_watchers) {
2381	$_->cancel if $_->data & WF_AUTOCANCEL;
2382	}
2383
2384	warn "flushing outstanding aio requests";	3646	warn "flushing outstanding aio requests";
2385	for (;;) {	3647	while (IO::AIO::nreqs || BDB::nreqs) {
2386	IO::AIO::flush;	3648	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2387	Coro::cede;
2388	last unless IO::AIO::nreqs;
2389	warn "iterate...";
2390	}
2391
2392	warn "cancelling all extension coros";
2393	$_->cancel for values %EXT_CORO;
2394	%EXT_CORO = ();
2395
2396	warn "removing commands";
2397	%COMMAND = ();
2398
2399	warn "removing ext commands";
2400	%EXTCMD = ();
2401
2402	warn "unloading/nuking all extensions";
2403	for my $pkg (@EXTS) {
2404	warn "... unloading $pkg";
2405
2406	if (my $cb = $pkg->can ("unload")) {
2407	eval {
2408	$cb->($pkg);
2409	1
2410	} or warn "$pkg unloaded, but with errors: $@";
2411	}	3649	}
2412		3650
2413	warn "... nuking $pkg";	3651	warn "cancelling all extension coros";
2414	Symbol::delete_package $pkg;	3652	$_->cancel for values %EXT_CORO;
2415	}	3653	%EXT_CORO = ();
2416		3654
2417	warn "unloading all perl modules loaded from $LIBDIR";	3655	warn "removing commands";
2418	while (my ($k, $v) = each %INC) {	3656	%COMMAND = ();
2419	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2420		3657
		3658	warn "removing ext/exti commands";
		3659	%EXTCMD = ();
		3660	%EXTICMD = ();
		3661
		3662	warn "unloading/nuking all extensions";
		3663	for my $pkg (@EXTS) {
2421	warn "... unloading $k";	3664	warn "... unloading $pkg";
2422	delete $INC{$k};
2423		3665
2424	$k =~ s/\.pm$//;
2425	$k =~ s/\//::/g;
2426
2427	if (my $cb = $k->can ("unload_module")) {	3666	if (my $cb = $pkg->can ("unload")) {
		3667	eval {
2428	$cb->();	3668	$cb->($pkg);
		3669	1
		3670	} or warn "$pkg unloaded, but with errors: $@";
		3671	}
		3672
		3673	warn "... clearing $pkg";
		3674	clear_package $pkg;
2429	}	3675	}
2430		3676
2431	Symbol::delete_package $k;	3677	warn "unloading all perl modules loaded from $LIBDIR";
		3678	while (my ($k, $v) = each %INC) {
		3679	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3680
		3681	warn "... unloading $k";
		3682	delete $INC{$k};
		3683
		3684	$k =~ s/\.pm$//;
		3685	$k =~ s/\//::/g;
		3686
		3687	if (my $cb = $k->can ("unload_module")) {
		3688	$cb->();
		3689	}
		3690
		3691	clear_package $k;
2432	}	3692	}
2433		3693
2434	warn "getting rid of safe::, as good as possible";	3694	warn "getting rid of safe::, as good as possible";
2435	Symbol::delete_package "safe::$_"	3695	clear_package "safe::$_"
2436	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3696	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2437		3697
2438	warn "unloading cf.pm \"a bit\"";	3698	warn "unloading cf.pm \"a bit\"";
2439	delete $INC{"cf.pm"};	3699	delete $INC{"cf.pm"};
		3700	delete $INC{"cf/pod.pm"};
2440		3701
2441	# don't, removes xs symbols, too,	3702	# don't, removes xs symbols, too,
2442	# and global variables created in xs	3703	# and global variables created in xs
2443	#Symbol::delete_package __PACKAGE__;	3704	#clear_package __PACKAGE__;
2444		3705
2445	warn "unload completed, starting to reload now";	3706	warn "unload completed, starting to reload now";
2446		3707
2447	warn "reloading cf.pm";	3708	warn "reloading cf.pm";
2448	require cf;	3709	require cf;
2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3710	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2450		3711
2451	warn "loading config and database again";	3712	warn "loading config and database again";
2452	cf::cfg_load;	3713	cf::reload_config;
2453	cf::db_load;
2454		3714
2455	warn "loading extensions";	3715	warn "loading extensions";
2456	cf::load_extensions;	3716	cf::load_extensions;
2457		3717
2458	warn "reattaching attachments to objects/players";	3718	warn "reattaching attachments to objects/players";
2459	_global_reattach;	3719	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	3720	warn "reattaching attachments to maps";
2461	reattach $_ for values %MAP;	3721	reattach $_ for values %MAP;
		3722	warn "reattaching attachments to players";
		3723	reattach $_ for values %PLAYER;
2462		3724
2463	warn "restarting server ticker";	3725	warn "leaving sync_job";
2464		3726
2465	$TICK_WATCHER->start;	3727	1
		3728	} or do {
		3729	warn $@;
		3730	cf::cleanup "error while reloading, exiting.";
		3731	};
		3732
		3733	warn "reloaded";
		3734	--$RELOAD;
		3735	}
		3736	};
		3737
		3738	our $RELOAD_WATCHER; # used only during reload
		3739
		3740	sub reload_perl() {
		3741	# doing reload synchronously and two reloads happen back-to-back,
		3742	# coro crashes during coro_state_free->destroy here.
		3743
		3744	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3745	do_reload_perl;
		3746	undef $RELOAD_WATCHER;
2466	};	3747	};
2467		3748	}
2468	if ($@) {
2469	warn $@;
2470	warn "error while reloading, exiting.";
2471	exit 1;
2472	}
2473
2474	warn "reloaded";
2475	};
2476
2477	our $RELOAD_WATCHER; # used only during reload
2478		3749
2479	register_command "reload" => sub {	3750	register_command "reload" => sub {
2480	my ($who, $arg) = @_;	3751	my ($who, $arg) = @_;
2481		3752
2482	if ($who->flag (FLAG_WIZ)) {	3753	if ($who->flag (FLAG_WIZ)) {
2483	$who->message ("reloading server.");	3754	$who->message ("reloading server.");
2484		3755	async {
2485	# doing reload synchronously and two reloads happen back-to-back,	3756	$Coro::current->{desc} = "perl_reload";
2486	# coro crashes during coro_state_free->destroy here.
2487
2488	$RELOAD_WATCHER ||= Event->timer (
2489	reentrant => 0,
2490	after => 0,
2491	data => WF_AUTOCANCEL,
2492	cb => sub {
2493	reload;	3757	reload_perl;
2494	undef $RELOAD_WATCHER;
2495	},
2496	);	3758	};
2497	}	3759	}
2498	};	3760	};
2499		3761
2500	unshift @INC, $LIBDIR;	3762	unshift @INC, $LIBDIR;
2501		3763
2502	my $bug_warning = 0;	3764	my $bug_warning = 0;
2503		3765
2504	$TICK_WATCHER = Event->timer (	3766	our @WAIT_FOR_TICK;
2505	reentrant => 0,	3767	our @WAIT_FOR_TICK_BEGIN;
2506	parked => 1,	3768
2507	prio => 0,	3769	sub wait_for_tick {
2508	at => $NEXT_TICK || $TICK,	3770	return if tick_inhibit || $Coro::current == $Coro::main;
2509	data => WF_AUTOCANCEL,	3771
2510	cb => sub {	3772	my $signal = new Coro::Signal;
		3773	push @WAIT_FOR_TICK, $signal;
		3774	$signal->wait;
		3775	}
		3776
		3777	sub wait_for_tick_begin {
		3778	return if tick_inhibit || $Coro::current == $Coro::main;
		3779
		3780	my $signal = new Coro::Signal;
		3781	push @WAIT_FOR_TICK_BEGIN, $signal;
		3782	$signal->wait;
		3783	}
		3784
		3785	sub tick {
2511	if ($Coro::current != $Coro::main) {	3786	if ($Coro::current != $Coro::main) {
2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3787	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2513	unless ++$bug_warning > 10;	3788	unless ++$bug_warning > 10;
2514	return;	3789	return;
2515	}	3790	}
2516		3791
2517	$NOW = Event::time;
2518
2519	cf::server_tick; # one server iteration	3792	cf::server_tick; # one server iteration
2520	$RUNTIME += $TICK;
2521	$NEXT_TICK += $TICK;
2522		3793
2523	$WAIT_FOR_TICK->broadcast;	3794	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3795	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2525		3796	Coro::async_pool {
2526	Event::sweep;	3797	$Coro::current->{desc} = "runtime saver";
2527	Coro::cede_notself;
2528
2529	# my $AFTER = Event::time;
2530	# warn $AFTER - $NOW;#d#
2531
2532	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2534
2535	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;
2537	},
2538	);
2539
2540	IO::AIO::max_poll_time $TICK * 0.1;
2541
2542	undef $Coro::AIO::WATCHER;
2543	$AIO_POLL_WATCHER = Event->io (
2544	reentrant => 0,
2545	fd => IO::AIO::poll_fileno,
2546	poll => 'r',
2547	prio => 6,
2548	data => WF_AUTOCANCEL,
2549	cb => \&IO::AIO::poll_cb,
2550	);
2551
2552	$WRITE_RUNTIME_WATCHER = Event->timer (
2553	reentrant => 0,
2554	data => WF_AUTOCANCEL,
2555	after => 1,
2556	interval => 10,
2557	prio => 6, # keep it lowest so it acts like a watchdog
2558	cb => Coro::unblock_sub {
2559	write_runtime	3798	write_runtime_sync
2560	or warn "ERROR: unable to write runtime file: $!";	3799	or warn "ERROR: unable to write runtime file: $!";
		3800	};
2561	},	3801	}
2562	);	3802
		3803	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3804	$sig->send;
		3805	}
		3806	while (my $sig = shift @WAIT_FOR_TICK) {
		3807	$sig->send;
		3808	}
		3809
		3810	$LOAD = ($NOW - $TICK_START) / $TICK;
		3811	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3812
		3813	if (0) {
		3814	if ($NEXT_TICK) {
		3815	my $jitter = $TICK_START - $NEXT_TICK;
		3816	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3817	warn "jitter $JITTER\n";#d#
		3818	}
		3819	}
		3820	}
		3821
		3822	{
		3823	# configure BDB
		3824
		3825	BDB::min_parallel 8;
		3826	BDB::max_poll_reqs $TICK * 0.1;
		3827	$AnyEvent::BDB::WATCHER->priority (1);
		3828
		3829	unless ($DB_ENV) {
		3830	$DB_ENV = BDB::db_env_create;
		3831	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3832	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3833	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3834	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3835	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3836
		3837	cf::sync_job {
		3838	eval {
		3839	BDB::db_env_open
		3840	$DB_ENV,
		3841	$BDBDIR,
		3842	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3843	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3844	0666;
		3845
		3846	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3847	};
		3848
		3849	cf::cleanup "db_env_open(db): $@" if $@;
		3850	};
		3851	}
		3852
		3853	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3854	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3855	};
		3856	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3857	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3858	};
		3859	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3860	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3861	};
		3862	}
		3863
		3864	{
		3865	# configure IO::AIO
		3866
		3867	IO::AIO::min_parallel 8;
		3868	IO::AIO::max_poll_time $TICK * 0.1;
		3869	undef $AnyEvent::AIO::WATCHER;
		3870	}
		3871
		3872	my $_log_backtrace;
		3873
		3874	sub _log_backtrace {
		3875	my ($msg, @addr) = @_;
		3876
		3877	$msg =~ s/\n//;
		3878
		3879	# limit the # of concurrent backtraces
		3880	if ($_log_backtrace < 2) {
		3881	++$_log_backtrace;
		3882	async {
		3883	$Coro::current->{desc} = "abt $msg";
		3884
		3885	my @bt = fork_call {
		3886	@addr = map { sprintf "%x", $_ } @addr;
		3887	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3888	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3889	or die "addr2line: $!";
		3890
		3891	my @funcs;
		3892	my @res = <$fh>;
		3893	chomp for @res;
		3894	while (@res) {
		3895	my ($func, $line) = splice @res, 0, 2, ();
		3896	push @funcs, "[$func] $line";
		3897	}
		3898
		3899	@funcs
		3900	};
		3901
		3902	LOG llevInfo, "[ABT] $msg\n";
		3903	LOG llevInfo, "[ABT] $_\n" for @bt;
		3904	--$_log_backtrace;
		3905	};
		3906	} else {
		3907	LOG llevInfo, "[ABT] $msg\n";
		3908	LOG llevInfo, "[ABT] [suppressed]\n";
		3909	}
		3910	}
		3911
		3912	# load additional modules
		3913	use cf::pod;
2563		3914
2564	END { cf::emergency_save }	3915	END { cf::emergency_save }
2565		3916
2566	1	3917	1
2567		3918

Diff Legend

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