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 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.414 by root, Thu Apr 10 09:10:45 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
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV 3.2;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
12		35
13	use Coro 3.5 ();	36	use Coro 4.50 ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::EV;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
18	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
		45	use Coro::Storable;
		46	use Coro::Util ();
19		47
		48	use JSON::XS 2.01 ();
20	use BDB ();	49	use BDB ();
21	use Data::Dumper;	50	use Data::Dumper;
22	use Digest::MD5;	51	use Digest::MD5;
23	use Fcntl;	52	use Fcntl;
		53	use YAML ();
24	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
25	use YAML::Syck ();
26	use Time::HiRes;	55	use Time::HiRes;
27	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
28		58
		59	# configure various modules to our taste
		60	#
		61	$Storable::canonical = 1; # reduce rsync transfers
		62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		64
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		66
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		68
40	our %COMMAND = ();	69	our %COMMAND = ();
41	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
42		71
43	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
47		77
48	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
49	our @EVENT;	79	our @EVENT;
50	our $LIBDIR = datadir . "/ext";
51		80
52	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
53	our $TICK_WATCHER;	82	our $DATADIR = datadir;
		83	our $LIBDIR = "$DATADIR/ext";
		84	our $PODDIR = "$DATADIR/pod";
		85	our $MAPDIR = "$DATADIR/" . mapdir;
		86	our $LOCALDIR = localdir;
		87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		90	our $RANDOMDIR = "$LOCALDIR/random";
		91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
		93
		94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	97	our $NEXT_TICK;
57	our $NOW;
58	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
59		99
60	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
61	our $DB_ENV;	104	our $DB_ENV;
62		105
63	our %CFG;	106	our %CFG;
64		107
65	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
66	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
67		111
68	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
69	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		115
77	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		118
		119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
		122	our $TICK_START; # for load detecting purposes
		123
80	binmode STDOUT;	124	binmode STDOUT;
81	binmode STDERR;	125	binmode STDERR;
82		126
83	# read virtual server time, if available	127	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
85	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
86	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
87	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
88	}	132	}
89		133
90	mkdir cf::localdir;	134	mkdir $_
91	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
92	mkdir cf::localdir . "/" . cf::tmpdir;
93	mkdir cf::localdir . "/" . cf::uniquedir;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		136
97	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
98		138
99	sub cf::map::normalise;	139	sub cf::map::normalise;
100		140
…		…
111	=item $cf::RUNTIME	151	=item $cf::RUNTIME
112		152
113	The time this server has run, starts at 0 and is increased by $cf::TICK on	153	The time this server has run, starts at 0 and is increased by $cf::TICK on
114	every server tick.	154	every server tick.
115		155
116	=item $cf::LIBDIR	156	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		157	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		158	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
117		159
118	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
119	be found. It will be added to C<@INC> automatically.	161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		162	unique-items directory, player file directory, random maps directory and
		163	database environment.
120		164
121	=item $cf::NOW	165	=item $cf::NOW
122		166
123	The time of the last (current) server tick.	167	The time of the last (current) server tick.
124		168
125	=item $cf::TICK	169	=item $cf::TICK
126		170
127	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
128		172
		173	=item $cf::LOADAVG
		174
		175	The current CPU load on the server (alpha-smoothed), as a value between 0
		176	(none) and 1 (overloaded), indicating how much time is spent on processing
		177	objects per tick. Healthy values are < 0.5.
		178
		179	=item $cf::LOAD
		180
		181	The raw value load value from the last tick.
		182
129	=item %cf::CFG	183	=item %cf::CFG
130		184
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
132	from wherever your confdir points to.	186	from wherever your confdir points to.
133		187
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		189
136	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
137	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	191	returns directly I<after> the tick processing (and consequently, can only wake one process
138	processing has been done. Call C<< ->wait >> on them to maximise the	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
139	window of cpu time available, or simply to synchronise to the server tick.	193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
140		199
141	=back	200	=back
142		201
143	=cut	202	=cut
144		203
145	BEGIN {	204	BEGIN {
146	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
147	my $msg = join "", @_;	206	my $msg = join "", @_;
148	utf8::encode $msg;
149		207
150	$msg .= "\n"	208	$msg .= "\n"
151	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
152		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
153	LOG llevError, $msg;	213	LOG llevError, $msg;
154	};	214	};
155	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
156		231
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	236	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		237	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
162	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	238	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
163		239
164	# we bless all objects into (empty) derived classes to force a method lookup	240	# we bless all objects into (empty) derived classes to force a method lookup
165	# within the Safe compartment.	241	# within the Safe compartment.
166	for my $pkg (qw(	242	for my $pkg (qw(
167	cf::global cf::attachable	243	cf::global cf::attachable
…		…
172	)) {	248	)) {
173	no strict 'refs';	249	no strict 'refs';
174	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
175	}	251	}
176		252
177	$Event::DIED = sub {	253	$EV::DIED = sub {
178	warn "error in event callback: @_";	254	warn "error in event callback: @_";
179	};	255	};
		256
		257	#############################################################################
180		258
181	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
182		260
183	=over 4	261	=over 4
184		262
…		…
203	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
204	$d	282	$d
205	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
206	}	284	}
207		285
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
211		287
212	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
213		289
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
222		291
223	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
224		293
225	=cut	294	=cut
226		295
227	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
229	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
230	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
231		300
232	=item cf::lock_wait $string	301	=item cf::lock_wait $string
233		302
234	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
235		304
…		…
238	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
239	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
240	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
241	returned.	310	returned.
242		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
243	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
244	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
245		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
246	=cut	322	=cut
247		323
248	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
249		326
250	sub lock_wait($) {	327	sub lock_wait($) {
251	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
252		334
253	# wait for lock, if any	335	# wait for lock, if any
254	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
255	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;	338	Coro::schedule;
…		…
262		344
263	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
264	lock_wait $key;	346	lock_wait $key;
265		347
266	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
267		350
268	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
269	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
271	}	355	}
272	}	356	}
273		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
274	sub freeze_mainloop {	364	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
276		366
277	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
278	$TICK_WATCHER->start;	368	}
		369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
279	};	428	}
280	$TICK_WATCHER->stop;	429	};
281	$guard	430
		431	sub get_slot($;$$) {
		432	my ($time, $pri, $name) = @_;
		433
		434	$time = $TICK * .6 if $time > $TICK * .6;
		435	my $sig = new Coro::Signal;
		436
		437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		439	$SLOT_QUEUE->ready;
		440	$sig->wait;
282	}	441	}
283		442
284	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
285		444
286	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
291		450
292	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
293		452
294	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
295		454
296	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
299		459
300	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
303	fast or be very important.	463	fast or be very important.
…		…
306		466
307	sub sync_job(&) {	467	sub sync_job(&) {
308	my ($job) = @_;	468	my ($job) = @_;
309		469
310	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
		471	my $time = EV::time;
		472
311	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
313		475
314	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
315	# (but this is cancel-safe)	477
316	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
317		479
318	my $busy = 1;	480	my $busy = 1;
319	my @res;	481	my @res;
320		482
321	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
322	@res = eval { $job->() };	485	@res = eval { $job->() };
323	warn $@ if $@;	486	warn $@ if $@;
324	undef $busy;	487	undef $busy;
325	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
326		489
327	while ($busy) {	490	while ($busy) {
328	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
329	}	495	}
		496	}
		497
		498	my $time = EV::time - $time;
		499
		500	$TICK_START += $time; # do not account sync jobs to server load
330		501
331	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
332	} else {	503	} else {
333	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
334		505
…		…
354	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
355		526
356	$coro	527	$coro
357	}	528	}
358		529
359	sub write_runtime {	530	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		531
362	my $runtime = cf::localdir . "/runtime";	532	Executes the given code block with the given arguments in a seperate
		533	process, returning the results. Everything must be serialisable with
		534	Coro::Storable. May, of course, block. Note that the executed sub may
		535	never block itself or use any form of event handling.
363		536
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	=cut
365	or return;
366		538
367	my $value = $cf::RUNTIME + 90 + 10;	539	sub fork_call(&@) {
368	# 10 is the runtime save interval, for a monotonic clock	540	my ($cb, @args) = @_;
369	# 60 allows for the watchdog to kill the server.
370		541
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	542	# we seemingly have to make a local copy of the whole thing,
372	and return;	543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
373		545
374	# always fsync - this file is important	546	my @res = Coro::Util::fork_eval {
375	aio_fsync $fh	547	reset_signals;
376	and return;	548	&$cb
		549	}, @args;
377		550
378	close $fh	551	wantarray ? @res : $res[-1]
379	or return;	552	}
380		553
381	aio_rename "$runtime~", $runtime	554	=item $value = cf::db_get $family => $key
382	and return;
383		555
		556	Returns a single value from the environment database.
		557
		558	=item cf::db_put $family => $key => $value
		559
		560	Stores the given C<$value> in the family. It can currently store binary
		561	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		562
		563	=item $db = cf::db_table "name"
		564
		565	Create and/or open a new database table. The string must not be "db" and must be unique
		566	within each server.
		567
		568	=cut
		569
		570	sub db_table($) {
		571	my ($name) = @_;
		572	my $db = BDB::db_create $DB_ENV;
		573
		574	eval {
		575	$db->set_flags (BDB::CHKSUM);
		576
		577	utf8::encode $name;
		578	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		579	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		580	cf::cleanup "db_open(db): $!" if $!;
		581	};
		582	cf::cleanup "db_open(db): $@" if $@;
		583
		584	$db
		585	}
		586
		587	our $DB;
		588
		589	sub db_init {
		590	cf::sync_job {
		591	$DB ||= db_table "db";
		592	};
		593	}
		594
		595	sub db_get($$) {
		596	my $key = "$_[0]/$_[1]";
		597
		598	cf::sync_job {
		599	BDB::db_get $DB, undef, $key, my $data;
		600
		601	$! ? ()
		602	: $data
384	1	603	}
		604	}
		605
		606	sub db_put($$$) {
		607	BDB::dbreq_pri 4;
		608	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		609	}
		610
		611	=item cf::cache $id => [$paths...], $processversion => $process
		612
		613	Generic caching function that returns the value of the resource $id,
		614	caching and regenerating as required.
		615
		616	This function can block.
		617
		618	=cut
		619
		620	sub cache {
		621	my ($id, $src, $processversion, $process) = @_;
		622
		623	my $meta =
		624	join "\x00",
		625	$processversion,
		626	map {
		627	aio_stat $_
		628	and Carp::croak "$_: $!";
		629
		630	($_, (stat _)[7,9])
		631	} @$src;
		632
		633	my $dbmeta = db_get cache => "$id/meta";
		634	if ($dbmeta ne $meta) {
		635	# changed, we may need to process
		636
		637	my @data;
		638	my $md5;
		639
		640	for (0 .. $#$src) {
		641	0 <= aio_load $src->[$_], $data[$_]
		642	or Carp::croak "$src->[$_]: $!";
		643	}
		644
		645	# if processing is expensive, check
		646	# checksum first
		647	if (1) {
		648	$md5 =
		649	join "\x00",
		650	$processversion,
		651	map {
		652	cf::cede_to_tick;
		653	($src->[$_], Digest::MD5::md5_hex $data[$_])
		654	} 0.. $#$src;
		655
		656
		657	my $dbmd5 = db_get cache => "$id/md5";
		658	if ($dbmd5 eq $md5) {
		659	db_put cache => "$id/meta", $meta;
		660
		661	return db_get cache => "$id/data";
		662	}
		663	}
		664
		665	my $t1 = Time::HiRes::time;
		666	my $data = $process->(\@data);
		667	my $t2 = Time::HiRes::time;
		668
		669	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		670
		671	db_put cache => "$id/data", $data;
		672	db_put cache => "$id/md5" , $md5;
		673	db_put cache => "$id/meta", $meta;
		674
		675	return $data;
		676	}
		677
		678	db_get cache => "$id/data"
		679	}
		680
		681	=item cf::datalog type => key => value, ...
		682
		683	Log a datalog packet of the given type with the given key-value pairs.
		684
		685	=cut
		686
		687	sub datalog($@) {
		688	my ($type, %kv) = @_;
		689	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	690	}
386		691
387	=back	692	=back
388		693
389	=cut	694	=cut
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	701	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	702	to it. All such attachable objects support the following methods.
398		703
399	In the following description, CLASS can be any of C<global>, C<object>	704	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	705	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	706	Deliantra).
402		707
403	=over 4	708	=over 4
404		709
405	=item $attachable->attach ($attachment, key => $value...)	710	=item $attachable->attach ($attachment, key => $value...)
406		711
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	874	$registry = $CB_TYPE[$object_type] ||= [];
570		875
571	} elsif ($type eq "subtype") {	876	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	877	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	878	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	879	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		880
576	} elsif ($type eq "package") {	881	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	882	my $pkg = shift @arg;
578		883
579	while (my ($name, $id) = each %cb_id) {	884	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	913	_attach $registry, $klass, @attach;
609	}	914	}
610		915
611	$obj->{$name} = \%arg;	916	$obj->{$name} = \%arg;
612	} else {	917	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	918	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	919	}
615		920
616	$obj->{_attachment}{$name} = undef;	921	$obj->{_attachment}{$name} = undef;
617	}	922	}
618		923
…		…
620	if (ref $_[0]) {	925	if (ref $_[0]) {
621	_object_attach @_;	926	_object_attach @_;
622	} else {	927	} else {
623	_attach shift->_attach_registry, @_;	928	_attach shift->_attach_registry, @_;
624	}	929	}
		930	_recalc_want;
625	};	931	};
626		932
627	# all those should be optimised	933	# all those should be optimised
628	sub cf::attachable::detach {	934	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	935	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	938	delete $obj->{_attachment}{$name};
633	reattach ($obj);	939	reattach ($obj);
634	} else {	940	} else {
635	Carp::croak "cannot, currently, detach class attachments";	941	Carp::croak "cannot, currently, detach class attachments";
636	}	942	}
		943	_recalc_want;
637	};	944	};
638		945
639	sub cf::attachable::attached {	946	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	947	my ($obj, $name) = @_;
641		948
…		…
656	";	963	";
657	die if $@;	964	die if $@;
658	}	965	}
659		966
660	our $override;	967	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	968	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		969
663	sub override {	970	sub override {
664	$override = 1;	971	$override = 1;
665	@invoke_results = ();	972	@INVOKE_RESULTS = (@_);
666	}	973	}
667		974
668	sub do_invoke {	975	sub do_invoke {
669	my $event = shift;	976	my $event = shift;
670	my $callbacks = shift;	977	my $callbacks = shift;
671		978
672	@invoke_results = ();	979	@INVOKE_RESULTS = ();
673		980
674	local $override;	981	local $override;
675		982
676	for (@$callbacks) {	983	for (@$callbacks) {
677	eval { &{$_->[1]} };	984	eval { &{$_->[1]} };
…		…
686	}	993	}
687		994
688	0	995	0
689	}	996	}
690		997
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	998	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		999
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1000	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1001
695	Generate an object-specific event with the given arguments.	1002	Generate an object-specific event with the given arguments.
696		1003
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1004	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	1005	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1006	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1007
701	=back	1008	=back
702		1009
703	=cut	1010	=cut
704		1011
705	#############################################################################	1012	#############################################################################
706	# object support	1013	# object support
		1014
		1015	sub _object_equal($$);
		1016	sub _object_equal($$) {
		1017	my ($a, $b) = @_;
		1018
		1019	return 0 unless (ref $a) eq (ref $b);
		1020
		1021	if ("HASH" eq ref $a) {
		1022	my @ka = keys %$a;
		1023	my @kb = keys %$b;
		1024
		1025	return 0 if @ka != @kb;
		1026
		1027	for (0 .. $#ka) {
		1028	return 0 unless $ka[$_] eq $kb[$_];
		1029	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1030	}
		1031
		1032	} elsif ("ARRAY" eq ref $a) {
		1033
		1034	return 0 if @$a != @$b;
		1035
		1036	for (0 .. $#$a) {
		1037	return 0 unless _object_equal $a->[$_], $b->[$_];
		1038	}
		1039
		1040	} elsif ($a ne $b) {
		1041	return 0;
		1042	}
		1043
		1044	1
		1045	}
		1046
		1047	our $SLOW_MERGES;#d#
		1048	sub _can_merge {
		1049	my ($ob1, $ob2) = @_;
		1050
		1051	++$SLOW_MERGES;#d#
		1052
		1053	# we do the slow way here
		1054	return _object_equal $ob1, $ob2
		1055	}
707		1056
708	sub reattach {	1057	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1058	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1059	my ($obj) = @_;
711		1060
…		…
732	cf::attachable->attach (	1081	cf::attachable->attach (
733	prio => -1000000,	1082	prio => -1000000,
734	on_instantiate => sub {	1083	on_instantiate => sub {
735	my ($obj, $data) = @_;	1084	my ($obj, $data) = @_;
736		1085
737	$data = from_json $data;	1086	$data = decode_json $data;
738		1087
739	for (@$data) {	1088	for (@$data) {
740	my ($name, $args) = @$_;	1089	my ($name, $args) = @$_;
741		1090
742	$obj->attach ($name, %{$args || {} });	1091	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1107	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1108	my ($filename, $rdata, $objs) = @_;
760		1109
761	sync_job {	1110	sync_job {
762	if (length $$rdata) {	1111	if (length $$rdata) {
		1112	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1113	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1114	$decname, length $$rdata, scalar @$objs;
765		1115
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1116	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1117	chmod SAVE_MODE, $fh;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1118	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1119	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1120	close $fh;
771		1121
772	if (@$objs) {	1122	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1123	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1124	chmod SAVE_MODE, $fh;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1125	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1126	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1127	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1128	close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1129	aio_rename "$filename.pst~", "$filename.pst";
780	}	1130	}
…		…
788	}	1138	}
789	} else {	1139	} else {
790	aio_unlink $filename;	1140	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1141	aio_unlink "$filename.pst";
792	}	1142	}
793	}	1143	};
794	}	1144	}
795		1145
796	sub object_freezer_as_string {	1146	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1147	my ($rdata, $objs) = @_;
798		1148
…		…
810	or return;	1160	or return;
811		1161
812	unless (aio_stat "$filename.pst") {	1162	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1163	(aio_load "$filename.pst", $av) >= 0
814	or return;	1164	or return;
		1165
815	$av = eval { (Storable::thaw $av)->{objs} };	1166	my $st = eval { Coro::Storable::thaw $av };
		1167	$av = $st->{objs};
816	}	1168	}
817		1169
		1170	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1171	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1172	$decname, length $data, scalar @{$av || []};
		1173
820	return ($data, $av);	1174	($data, $av)
821	}	1175	}
		1176
		1177	=head2 COMMAND CALLBACKS
		1178
		1179	=over 4
		1180
		1181	=cut
822		1182
823	#############################################################################	1183	#############################################################################
824	# command handling &c	1184	# command handling &c
825		1185
826	=item cf::register_command $name => \&callback($ob,$args);	1186	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1199	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1200	}
841		1201
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1202	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1203
844	Register a callbackf ro execution when the client sends an extcmd packet.	1204	Register a callback for execution when the client sends an (synchronous)
		1205	extcmd packet. Ext commands will be processed in the order they are
		1206	received by the server, like other user commands. The first argument is
		1207	the logged-in player. Ext commands can only be processed after a player
		1208	has logged in successfully.
845		1209
846	If the callback returns something, it is sent back as if reply was being	1210	If the callback returns something, it is sent back as if reply was being
847	called.	1211	called.
848		1212
		1213	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1214
		1215	Register a callback for execution when the client sends an (asynchronous)
		1216	exticmd packet. Exti commands are processed by the server as soon as they
		1217	are received, i.e. out of order w.r.t. other commands. The first argument
		1218	is a client socket. Exti commands can be received anytime, even before
		1219	log-in.
		1220
		1221	If the callback returns something, it is sent back as if reply was being
		1222	called.
		1223
849	=cut	1224	=cut
850		1225
851	sub register_extcmd {	1226	sub register_extcmd {
852	my ($name, $cb) = @_;	1227	my ($name, $cb) = @_;
853		1228
854	$EXTCMD{$name} = $cb;	1229	$EXTCMD{$name} = $cb;
		1230	}
		1231
		1232	sub register_exticmd {
		1233	my ($name, $cb) = @_;
		1234
		1235	$EXTICMD{$name} = $cb;
855	}	1236	}
856		1237
857	cf::player->attach (	1238	cf::player->attach (
858	on_command => sub {	1239	on_command => sub {
859	my ($pl, $name, $params) = @_;	1240	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1249	cf::override;
869	},	1250	},
870	on_extcmd => sub {	1251	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1252	my ($pl, $buf) = @_;
872		1253
873	my $msg = eval { from_json $buf };	1254	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1255
875	if (ref $msg) {	1256	if (ref $msg) {
		1257	my ($type, $reply, @payload) =
		1258	"ARRAY" eq ref $msg
		1259	? @$msg
		1260	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1261
		1262	my @reply;
		1263
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1264	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1265	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1266	}
		1267
		1268	$pl->ext_reply ($reply, @reply)
		1269	if $reply;
		1270
881	} else {	1271	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1272	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1273	}
884		1274
885	cf::override;	1275	cf::override;
886	},	1276	},
887	);	1277	);
888		1278
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1279	sub load_extensions {
		1280	cf::sync_job {
		1281	my %todo;
		1282
924	for my $ext (<$LIBDIR/*.ext>) {	1283	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1284	next unless -r $path;
926	eval {	1285
927	load_extension $ext;	1286	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1287	my $base = $1;
		1288	my $pkg = $1;
		1289	$pkg =~ s/[^[:word:]]/_/g;
		1290	$pkg = "ext::$pkg";
		1291
		1292	open my $fh, "<:utf8", $path
		1293	or die "$path: $!";
		1294
		1295	my $source = do { local $/; <$fh> };
		1296
		1297	my %ext = (
		1298	path => $path,
		1299	base => $base,
		1300	pkg => $pkg,
		1301	);
		1302
		1303	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1304	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1305
		1306	$ext{source} =
		1307	"package $pkg; use strict; use utf8;\n"
		1308	. "#line 1 \"$path\"\n{\n"
		1309	. $source
		1310	. "\n};\n1";
		1311
		1312	$todo{$base} = \%ext;
		1313	}
		1314
		1315	my %done;
		1316	while (%todo) {
		1317	my $progress;
		1318
		1319	while (my ($k, $v) = each %todo) {
		1320	for (split /,\s*/, $v->{meta}{depends}) {
		1321	goto skip
		1322	unless exists $done{$_};
		1323	}
		1324
		1325	warn "... loading '$k' into '$v->{pkg}'\n";
		1326
		1327	unless (eval $v->{source}) {
		1328	my $msg = $@ ? "$v->{path}: $@\n"
		1329	: "$v->{base}: extension inactive.\n";
		1330
		1331	if (exists $v->{meta}{mandatory}) {
		1332	warn $msg;
		1333	cf::cleanup "mandatory extension failed to load, exiting.";
		1334	}
		1335
		1336	warn $msg;
		1337	}
		1338
		1339	$done{$k} = delete $todo{$k};
		1340	push @EXTS, $v->{pkg};
		1341	$progress = 1;
928	1	1342	}
929	} or warn "$ext not loaded: $@";	1343
		1344	skip:
		1345	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1346	unless $progress;
		1347	}
930	}	1348	};
931	}	1349	}
932		1350
933	#############################################################################	1351	#############################################################################
934		1352
		1353	=back
		1354
935	=head2 CORE EXTENSIONS	1355	=head2 CORE EXTENSIONS
936		1356
937	Functions and methods that extend core crossfire objects.	1357	Functions and methods that extend core crossfire objects.
938		1358
939	=cut	1359	=cut
…		…
944		1364
945	=head3 cf::player	1365	=head3 cf::player
946		1366
947	=over 4	1367	=over 4
948		1368
		1369	=item cf::player::num_playing
		1370
		1371	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1372
		1373	=cut
		1374
		1375	sub num_playing {
		1376	scalar grep
		1377	$_->ob->map
		1378	&& !$_->hidden
		1379	&& !$_->ob->flag (cf::FLAG_WIZ),
		1380	cf::player::list
		1381	}
		1382
949	=item cf::player::find $login	1383	=item cf::player::find $login
950		1384
951	Returns the given player object, loading it if necessary (might block).	1385	Returns the given player object, loading it if necessary (might block).
952		1386
953	=cut	1387	=cut
954		1388
955	sub playerdir($) {	1389	sub playerdir($) {
956	cf::localdir	1390	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1391	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1392	}
962		1393
963	sub path($) {	1394	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1395	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1396
966	(playerdir $login) . "/$login.pl"	1397	(playerdir $login) . "/playerdata"
967	}	1398	}
968		1399
969	sub find_active($) {	1400	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1401	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1402	and $cf::PLAYER{$_[0]}->active
…		…
984	my $login = $_[0];	1415	my $login = $_[0];
985		1416
986	my $guard = cf::lock_acquire "user_find:$login";	1417	my $guard = cf::lock_acquire "user_find:$login";
987		1418
988	$cf::PLAYER{$_[0]} || do {	1419	$cf::PLAYER{$_[0]} || do {
989	my $pl = load_pl path $login	1420	# rename old playerfiles to new ones
		1421	#TODO: remove when no longer required
		1422	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1423	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1424	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1425	aio_unlink +(playerdir $login) . "/$login.pl";
		1426
		1427	my $f = new_from_file cf::object::thawer path $login
990	or return;	1428	or return;
		1429
		1430	my $pl = cf::player::load_pl $f
		1431	or return;
		1432	local $cf::PLAYER_LOADING{$login} = $pl;
		1433	$f->resolve_delayed_derefs;
991	$cf::PLAYER{$login} = $pl	1434	$cf::PLAYER{$login} = $pl
992	}	1435	}
993	}	1436	}
994	}	1437	}
995		1438
…		…
1005		1448
1006	aio_mkdir playerdir $pl, 0770;	1449	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1450	$pl->{last_save} = $cf::RUNTIME;
1008		1451
1009	$pl->save_pl ($path);	1452	$pl->save_pl ($path);
1010	Coro::cede;	1453	cf::cede_to_tick;
1011	}	1454	}
1012		1455
1013	sub new($) {	1456	sub new($) {
1014	my ($login) = @_;	1457	my ($login) = @_;
1015		1458
…		…
1019	$self->{deny_save} = 1;	1462	$self->{deny_save} = 1;
1020		1463
1021	$cf::PLAYER{$login} = $self;	1464	$cf::PLAYER{$login} = $self;
1022		1465
1023	$self	1466	$self
		1467	}
		1468
		1469	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1470
		1471	=cut
		1472
		1473	sub send_msg {
		1474	my $ns = shift->ns
		1475	or return;
		1476	$ns->send_msg (@_);
1024	}	1477	}
1025		1478
1026	=item $pl->quit_character	1479	=item $pl->quit_character
1027		1480
1028	Nukes the player without looking back. If logged in, the connection will	1481	Nukes the player without looking back. If logged in, the connection will
…		…
1077	while and may block, so not sync_job-capable, ever.	1530	while and may block, so not sync_job-capable, ever.
1078		1531
1079	=cut	1532	=cut
1080		1533
1081	sub list_logins {	1534	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1535	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1536	or return [];
1084		1537
1085	my @logins;	1538	my @logins;
1086		1539
1087	for my $login (@$dirs) {	1540	for my $login (@$dirs) {
		1541	my $path = path $login;
		1542
		1543	# a .pst is a dead give-away for a valid player
		1544	unless (-e "$path.pst") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1545	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1546	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1547	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1548	}
1091		1549
1092	utf8::decode $login;	1550	utf8::decode $login;
1093	push @logins, $login;	1551	push @logins, $login;
1094	}	1552	}
1095		1553
…		…
1122	}	1580	}
1123		1581
1124	\@paths	1582	\@paths
1125	}	1583	}
1126		1584
		1585	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1586
		1587	Expand crossfire pod fragments into protocol xml.
		1588
		1589	=cut
		1590
		1591	use re 'eval';
		1592
		1593	my $group;
		1594	my $interior; $interior = qr{
		1595	# match a pod interior sequence sans C<< >>
		1596	(?:
		1597	\ (.*?)\ (?{ $group = $^N })
		1598	| < (??{$interior}) >
		1599	)
		1600	}x;
		1601
		1602	sub expand_cfpod {
		1603	my ($self, $pod) = @_;
		1604
		1605	my $xml;
		1606
		1607	while () {
		1608	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1609	$group = $1;
		1610
		1611	$group =~ s/&/&amp;/g;
		1612	$group =~ s/</&lt;/g;
		1613
		1614	$xml .= $group;
		1615	} elsif ($pod =~ m%\G
		1616	([BCGHITU])
		1617	<
		1618	(?:
		1619	([^<>]*) (?{ $group = $^N })
		1620	| < $interior >
		1621	)
		1622	>
		1623	%gcsx
		1624	) {
		1625	my ($code, $data) = ($1, $group);
		1626
		1627	if ($code eq "B") {
		1628	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1629	} elsif ($code eq "I") {
		1630	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1631	} elsif ($code eq "U") {
		1632	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1633	} elsif ($code eq "C") {
		1634	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1635	} elsif ($code eq "T") {
		1636	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1637	} elsif ($code eq "G") {
		1638	my ($male, $female) = split /\|/, $data;
		1639	$data = $self->gender ? $female : $male;
		1640	$xml .= expand_cfpod ($self, $data);
		1641	} elsif ($code eq "H") {
		1642	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1643	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1644	"")
		1645	[$self->{hintmode}];
		1646	} else {
		1647	$xml .= "error processing '$code($data)' directive";
		1648	}
		1649	} else {
		1650	if ($pod =~ /\G(.+)/) {
		1651	warn "parse error while expanding $pod (at $1)";
		1652	}
		1653	last;
		1654	}
		1655	}
		1656
		1657	for ($xml) {
		1658	# create single paragraphs (very hackish)
		1659	s/(?<=\S)\n(?=\w)/ /g;
		1660
		1661	# compress some whitespace
		1662	s/\s+\n/\n/g; # ws line-ends
		1663	s/\n\n+/\n/g; # double lines
		1664	s/^\n+//; # beginning lines
		1665	s/\n+$//; # ending lines
		1666	}
		1667
		1668	$xml
		1669	}
		1670
		1671	no re 'eval';
		1672
		1673	sub hintmode {
		1674	$_[0]{hintmode} = $_[1] if @_ > 1;
		1675	$_[0]{hintmode}
		1676	}
		1677
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1678	=item $player->ext_reply ($msgid, @msg)
1128		1679
1129	Sends an ext reply to the player.	1680	Sends an ext reply to the player.
1130		1681
1131	=cut	1682	=cut
1132		1683
1133	sub ext_reply($$$%) {	1684	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1685	my ($self, $id, @msg) = @_;
1135		1686
1136	$msg{msgid} = $id;	1687	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1688	}
1140		1689
1141	package cf;	1690	=item $player->ext_msg ($type, @msg)
		1691
		1692	Sends an ext event to the client.
		1693
		1694	=cut
		1695
		1696	sub ext_msg($$@) {
		1697	my ($self, $type, @msg) = @_;
		1698
		1699	$self->ns->ext_msg ($type, @msg);
		1700	}
		1701
		1702	=head3 cf::region
		1703
		1704	=over 4
		1705
		1706	=cut
		1707
		1708	package cf::region;
		1709
		1710	=item cf::region::find_by_path $path
		1711
		1712	Tries to decuce the likely region for a map knowing only its path.
		1713
		1714	=cut
		1715
		1716	sub find_by_path($) {
		1717	my ($path) = @_;
		1718
		1719	my ($match, $specificity);
		1720
		1721	for my $region (list) {
		1722	if ($region->{match} && $path =~ $region->{match}) {
		1723	($match, $specificity) = ($region, $region->specificity)
		1724	if $region->specificity > $specificity;
		1725	}
		1726	}
		1727
		1728	$match
		1729	}
1142		1730
1143	=back	1731	=back
1144
1145		1732
1146	=head3 cf::map	1733	=head3 cf::map
1147		1734
1148	=over 4	1735	=over 4
1149		1736
…		…
1204	my ($self, $merge) = @_;	1791	my ($self, $merge) = @_;
1205		1792
1206	# we have to keep some variables in memory intact	1793	# we have to keep some variables in memory intact
1207	local $self->{path};	1794	local $self->{path};
1208	local $self->{load_path};	1795	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1796
1212	$self->SUPER::thawer_merge ($merge);	1797	$self->SUPER::thawer_merge ($merge);
1213	}	1798	}
1214		1799
1215	sub normalise {	1800	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1847	$self->init; # pass $1 etc.
1263	return $self;	1848	return $self;
1264	}	1849	}
1265	}	1850	}
1266		1851
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1852	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1853	()
1269	}	1854	}
1270		1855
1271	sub init {	1856	sub init {
1272	my ($self) = @_;	1857	my ($self) = @_;
…		…
1287		1872
1288	# the original (read-only) location	1873	# the original (read-only) location
1289	sub load_path {	1874	sub load_path {
1290	my ($self) = @_;	1875	my ($self) = @_;
1291		1876
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1877	"$MAPDIR/$self->{path}.map"
1293	}	1878	}
1294		1879
1295	# the temporary/swap location	1880	# the temporary/swap location
1296	sub save_path {	1881	sub save_path {
1297	my ($self) = @_;	1882	my ($self) = @_;
1298		1883
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1884	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1885	"$TMPDIR/$path.map"
1301	}	1886	}
1302		1887
1303	# the unique path, undef == no special unique path	1888	# the unique path, undef == no special unique path
1304	sub uniq_path {	1889	sub uniq_path {
1305	my ($self) = @_;	1890	my ($self) = @_;
1306		1891
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1892	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1893	"$UNIQUEDIR/$path"
1309	}	1894	}
1310		1895
1311	# and all this just because we cannot iterate over	1896	# and all this just because we cannot iterate over
1312	# all maps in C++...	1897	# all maps in C++...
1313	sub change_all_map_light {	1898	sub change_all_map_light {
…		…
1315		1900
1316	$_->change_map_light ($change)	1901	$_->change_map_light ($change)
1317	for grep $_->outdoor, values %cf::MAP;	1902	for grep $_->outdoor, values %cf::MAP;
1318	}	1903	}
1319		1904
		1905	sub decay_objects {
		1906	my ($self) = @_;
		1907
		1908	return if $self->{deny_reset};
		1909
		1910	$self->do_decay_objects;
		1911	}
		1912
1320	sub unlink_save {	1913	sub unlink_save {
1321	my ($self) = @_;	1914	my ($self) = @_;
1322		1915
1323	utf8::encode (my $save = $self->save_path);	1916	utf8::encode (my $save = $self->save_path);
1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1917	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1327		1920
1328	sub load_header_from($) {	1921	sub load_header_from($) {
1329	my ($self, $path) = @_;	1922	my ($self, $path) = @_;
1330		1923
1331	utf8::encode $path;	1924	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	1925	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	or return;	1926	or return;
		1927
		1928	$self->_load_header ($f)
		1929	or return;
		1930
		1931	local $MAP_LOADING{$self->{path}} = $self;
		1932	$f->resolve_delayed_derefs;
1337		1933
1338	$self->{load_path} = $path;	1934	$self->{load_path} = $path;
1339		1935
1340	1	1936	1
1341	}	1937	}
…		…
1380	$self->load_header_orig	1976	$self->load_header_orig
1381	or return;	1977	or return;
1382	$self->prepare_orig;	1978	$self->prepare_orig;
1383	}	1979	}
1384		1980
		1981	$self->{deny_reset} = 1
		1982	if $self->no_reset;
		1983
		1984	$self->default_region (cf::region::find_by_path $self->{path})
		1985	unless $self->default_region;
		1986
1385	1	1987	1
1386	}	1988	}
1387		1989
1388	sub find;	1990	sub find;
1389	sub find {	1991	sub find {
1390	my ($path, $origin) = @_;	1992	my ($path, $origin) = @_;
1391		1993
1392	$path = normalise $path, $origin && $origin->path;	1994	$path = normalise $path, $origin && $origin->path;
1393		1995
		1996	cf::lock_wait "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	1997	cf::lock_wait "map_find:$path";
1395		1998
1396	$cf::MAP{$path} || do {	1999	$cf::MAP{$path} || do {
1397	my $guard = cf::lock_acquire "map_find:$path";	2000	my $guard1 = cf::lock_acquire "map_find:$path";
		2001	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2002
1398	my $map = new_from_path cf::map $path	2003	my $map = new_from_path cf::map $path
1399	or return;	2004	or return;
1400		2005
1401	$map->{last_save} = $cf::RUNTIME;	2006	$map->{last_save} = $cf::RUNTIME;
1402		2007
1403	$map->load_header	2008	$map->load_header
1404	or return;	2009	or return;
1405		2010
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2011	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	2012	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	2013	#$cf::WAIT_FOR_TICK->wait;
		2014	undef $guard1;
		2015	undef $guard2;
1409	$map->reset;	2016	$map->reset;
1410	undef $guard;
1411	return find $path;	2017	return find $path;
1412	}	2018	}
1413		2019
1414	$cf::MAP{$path} = $map	2020	$cf::MAP{$path} = $map
1415	}	2021	}
…		…
1422	my ($self) = @_;	2028	my ($self) = @_;
1423		2029
1424	local $self->{deny_reset} = 1; # loading can take a long time	2030	local $self->{deny_reset} = 1; # loading can take a long time
1425		2031
1426	my $path = $self->{path};	2032	my $path = $self->{path};
		2033
		2034	{
1427	my $guard = cf::lock_acquire "map_load:$path";	2035	my $guard = cf::lock_acquire "map_data:$path";
1428		2036
		2037	return unless $self->valid;
1429	return if $self->in_memory != cf::MAP_SWAPPED;	2038	return unless $self->in_memory == cf::MAP_SWAPPED;
1430		2039
1431	$self->in_memory (cf::MAP_LOADING);	2040	$self->in_memory (cf::MAP_LOADING);
1432		2041
1433	$self->alloc;	2042	$self->alloc;
1434		2043
1435	$self->pre_load;	2044	$self->pre_load;
		2045	cf::cede_to_tick;
1436		2046
1437	$self->_load_objects ($self->{load_path}, 1)	2047	my $f = new_from_file cf::object::thawer $self->{load_path};
		2048	$f->skip_block;
		2049	$self->_load_objects ($f)
1438	or return;	2050	or return;
1439		2051
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2052	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1441	if delete $self->{load_original};	2053	if delete $self->{load_original};
1442		2054
1443	if (my $uniq = $self->uniq_path) {	2055	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	2056	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	2057	unless (aio_stat $uniq) {
		2058	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	2059	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	2060	$self->_load_objects ($f);
		2061	$f->resolve_delayed_derefs;
		2062	}
1448	}	2063	}
1449	}	2064	}
1450		2065
1451	Coro::cede;	2066	$f->resolve_delayed_derefs;
1452		2067
		2068	cf::cede_to_tick;
1453	# now do the right thing for maps	2069	# now do the right thing for maps
1454	$self->link_multipart_objects;	2070	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;
1461	$self->set_darkness_map;
1462	$self->difficulty ($self->estimate_difficulty)	2071	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	2072	unless $self->difficulty;
1464	Coro::cede;	2073	cf::cede_to_tick;
		2074
		2075	unless ($self->{deny_activate}) {
		2076	$self->decay_objects;
		2077	$self->fix_auto_apply;
		2078	$self->update_buttons;
		2079	cf::cede_to_tick;
		2080	$self->set_darkness_map;
		2081	cf::cede_to_tick;
1465	$self->activate;	2082	$self->activate;
		2083	}
		2084
		2085	$self->{last_save} = $cf::RUNTIME;
		2086	$self->last_access ($cf::RUNTIME);
		2087
		2088	$self->in_memory (cf::MAP_IN_MEMORY);
1466	}	2089	}
1467		2090
1468	$self->post_load;	2091	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	2092	}
1472		2093
1473	sub customise_for {	2094	sub customise_for {
1474	my ($self, $ob) = @_;	2095	my ($self, $ob) = @_;
1475		2096
1476	return find "~" . $ob->name . "/" . $self->{path}	2097	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	2098	if $self->per_player;
1478		2099
		2100	# return find "?party/" . $ob->name . "/" . $self->{path}
		2101	# if $self->per_party;
		2102
1479	$self	2103	$self
1480	}	2104	}
1481		2105
1482	# find and load all maps in the 3x3 area around a map	2106	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	2107	sub load_neighbours {
1484	my ($map) = @_;	2108	my ($map) = @_;
1485		2109
1486	my @diag; # diagonal neighbours	2110	my @neigh; # diagonal neighbours
1487		2111
1488	for (0 .. 3) {	2112	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	2113	my $neigh = $map->tile_path ($_)
1490	or next;	2114	or next;
1491	$neigh = find $neigh, $map	2115	$neigh = find $neigh, $map
1492	or next;	2116	or next;
1493	$neigh->load;	2117	$neigh->load;
1494		2118
		2119	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2120	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2121	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	2122	}
1498		2123
1499	for (@diag) {	2124	for (grep defined $_->[0], @neigh) {
		2125	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	2126	my $neigh = find $path, $origin
1501	or next;	2127	or next;
1502	$neigh->load;	2128	$neigh->load;
1503	}	2129	}
1504	}	2130	}
1505		2131
…		…
1510	}	2136	}
1511		2137
1512	sub do_load_sync {	2138	sub do_load_sync {
1513	my ($map) = @_;	2139	my ($map) = @_;
1514		2140
		2141	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2142	if $Coro::current == $Coro::main;
		2143
1515	cf::sync_job { $map->load };	2144	cf::sync_job { $map->load };
1516	}	2145	}
1517		2146
1518	our %MAP_PREFETCH;	2147	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2148	our $MAP_PREFETCHER = undef;
1520		2149
1521	sub find_async {	2150	sub find_async {
1522	my ($path, $origin) = @_;	2151	my ($path, $origin, $load) = @_;
1523		2152
1524	$path = normalise $path, $origin && $origin->{path};	2153	$path = normalise $path, $origin && $origin->{path};
1525		2154
1526	if (my $map = $cf::MAP{$path}) {	2155	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2156	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1528	}	2157	}
1529		2158
1530	undef $MAP_PREFETCH{$path};	2159	$MAP_PREFETCH{$path} |= $load;
		2160
1531	$MAP_PREFETCHER ||= cf::async {	2161	$MAP_PREFETCHER ||= cf::async {
		2162	$Coro::current->{desc} = "map prefetcher";
		2163
1532	while (%MAP_PREFETCH) {	2164	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2165	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2166	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2167	$map->load if $v;
		2168	}
1537		2169
1538	delete $MAP_PREFETCH{$path};	2170	delete $MAP_PREFETCH{$k};
1539	}	2171	}
1540	}	2172	}
1541	undef $MAP_PREFETCHER;	2173	undef $MAP_PREFETCHER;
1542	};	2174	};
1543	$MAP_PREFETCHER->prio (6);	2175	$MAP_PREFETCHER->prio (6);
…		…
1546	}	2178	}
1547		2179
1548	sub save {	2180	sub save {
1549	my ($self) = @_;	2181	my ($self) = @_;
1550		2182
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2183	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2184
1553	$self->{last_save} = $cf::RUNTIME;	2185	$self->{last_save} = $cf::RUNTIME;
1554		2186
1555	return unless $self->dirty;	2187	return unless $self->dirty;
1556		2188
…		…
1562	return if $self->{deny_save};	2194	return if $self->{deny_save};
1563		2195
1564	local $self->{last_access} = $self->last_access;#d#	2196	local $self->{last_access} = $self->last_access;#d#
1565		2197
1566	cf::async {	2198	cf::async {
		2199	$Coro::current->{desc} = "map player save";
1567	$_->contr->save for $self->players;	2200	$_->contr->save for $self->players;
1568	};	2201	};
1569		2202
1570	if ($uniq) {	2203	if ($uniq) {
1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2204	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1579	my ($self) = @_;	2212	my ($self) = @_;
1580		2213
1581	# save first because save cedes	2214	# save first because save cedes
1582	$self->save;	2215	$self->save;
1583		2216
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2218
1586	return if $self->players;	2219	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;	2220	return if $self->in_memory != cf::MAP_IN_MEMORY;
1588	return if $self->{deny_save};	2221	return if $self->{deny_save};
1589		2222
		2223	$self->in_memory (cf::MAP_SWAPPED);
		2224
		2225	$self->deactivate;
		2226	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2227	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2228	}
1593		2229
1594	sub reset_at {	2230	sub reset_at {
1595	my ($self) = @_;	2231	my ($self) = @_;
1596		2232
1597	# TODO: safety, remove and allow resettable per-player maps	2233	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	2234	return 1e99 if $self->{deny_reset};
1600		2235
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2236	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2237	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2238
…		…
1614	my ($self) = @_;	2249	my ($self) = @_;
1615		2250
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2251	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2252
1618	return if $self->players;	2253	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2254
1621	warn "resetting map ", $self->path;#d#	2255	warn "resetting map ", $self->path;
1622		2256
1623	$self->in_memory (cf::MAP_SWAPPED);	2257	$self->in_memory (cf::MAP_SWAPPED);
1624		2258
1625	# need to save uniques path	2259	# need to save uniques path
1626	unless ($self->{deny_save}) {	2260	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2264	if $uniq;
1631	}	2265	}
1632		2266
1633	delete $cf::MAP{$self->path};	2267	delete $cf::MAP{$self->path};
1634		2268
		2269	$self->deactivate;
		2270	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2271	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2272
1639	$self->unlink_save;	2273	$self->unlink_save;
1640	$self->destroy;	2274	$self->destroy;
1641	}	2275	}
1642		2276
1643	my $nuke_counter = "aaaa";	2277	my $nuke_counter = "aaaa";
1644		2278
1645	sub nuke {	2279	sub nuke {
1646	my ($self) = @_;	2280	my ($self) = @_;
1647		2281
		2282	{
		2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2284
1648	delete $cf::MAP{$self->path};	2285	delete $cf::MAP{$self->path};
1649		2286
1650	$self->unlink_save;	2287	$self->unlink_save;
1651		2288
1652	bless $self, "cf::map";	2289	bless $self, "cf::map";
1653	delete $self->{deny_reset};	2290	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2291	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2292	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2293	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2294
1658	$cf::MAP{$self->path} = $self;	2295	$cf::MAP{$self->path} = $self;
		2296	}
1659		2297
1660	$self->reset; # polite request, might not happen	2298	$self->reset; # polite request, might not happen
		2299	}
		2300
		2301	=item $maps = cf::map::tmp_maps
		2302
		2303	Returns an arrayref with all map paths of currently instantiated and saved
		2304	maps. May block.
		2305
		2306	=cut
		2307
		2308	sub tmp_maps() {
		2309	[
		2310	map {
		2311	utf8::decode $_;
		2312	/\.map$/
		2313	? normalise $_
		2314	: ()
		2315	} @{ aio_readdir $TMPDIR or [] }
		2316	]
		2317	}
		2318
		2319	=item $maps = cf::map::random_maps
		2320
		2321	Returns an arrayref with all map paths of currently instantiated and saved
		2322	random maps. May block.
		2323
		2324	=cut
		2325
		2326	sub random_maps() {
		2327	[
		2328	map {
		2329	utf8::decode $_;
		2330	/\.map$/
		2331	? normalise "?random/$_"
		2332	: ()
		2333	} @{ aio_readdir $RANDOMDIR or [] }
		2334	]
1661	}	2335	}
1662		2336
1663	=item cf::map::unique_maps	2337	=item cf::map::unique_maps
1664		2338
1665	Returns an arrayref of paths of all shared maps that have	2339	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2340	instantiated unique items. May block.
1667		2341
1668	=cut	2342	=cut
1669		2343
1670	sub unique_maps() {	2344	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2345	[
1672	or return;	2346	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2347	utf8::decode $_;
1678	next if /\.pst$/;	2348	/\.map$/
1679	next unless /^$PATH_SEP/o;	2349	? normalise $_
1680		2350	: ()
1681	push @paths, cf::map::normalise $_;	2351	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2352	]
1683
1684	\@paths
1685	}	2353	}
1686		2354
1687	package cf;	2355	package cf;
1688		2356
1689	=back	2357	=back
…		…
1707	map { $_, inv_recursive_ $_->inv } @_	2375	map { $_, inv_recursive_ $_->inv } @_
1708	}	2376	}
1709		2377
1710	sub inv_recursive {	2378	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2379	inv_recursive_ inv $_[0]
		2380	}
		2381
		2382	=item $ref = $ob->ref
		2383
		2384	creates and returns a persistent reference to an objetc that can be stored as a string.
		2385
		2386	=item $ob = cf::object::deref ($refstring)
		2387
		2388	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2389	even if the object actually exists. May block.
		2390
		2391	=cut
		2392
		2393	sub deref {
		2394	my ($ref) = @_;
		2395
		2396	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2397	my ($uuid, $name) = ($1, $2);
		2398	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2399	or return;
		2400	$pl->ob->uuid eq $uuid
		2401	or return;
		2402
		2403	$pl->ob
		2404	} else {
		2405	warn "$ref: cannot resolve object reference\n";
		2406	undef
		2407	}
1712	}	2408	}
1713		2409
1714	package cf;	2410	package cf;
1715		2411
1716	=back	2412	=back
…		…
1735		2431
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2432	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2433
1738	if ($self->{record_replies}) {	2434	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2435	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2436
1740	} else {	2437	} else {
		2438	my $pl = $self->contr;
		2439
		2440	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2441	my $dialog = $pl->{npc_dialog};
		2442	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2443
		2444	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2445	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2446	$self->message ($msg, $flags);
		2447	}
1743	}	2448	}
		2449	}
		2450
		2451	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2452
		2453	=cut
		2454
		2455	sub cf::object::send_msg {
		2456	my $pl = shift->contr
		2457	or return;
		2458	$pl->send_msg (@_);
1744	}	2459	}
1745		2460
1746	=item $player_object->may ("access")	2461	=item $player_object->may ("access")
1747		2462
1748	Returns wether the given player is authorized to access resource "access"	2463	Returns wether the given player is authorized to access resource "access"
…		…
1795	$self->deactivate_recursive;	2510	$self->deactivate_recursive;
1796		2511
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2512	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2513
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2514	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2515	if $self->map && $self->map->{path} ne "{link}";
1801		2516
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2517	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2518	}
1804		2519
1805	sub cf::object::player::leave_link {	2520	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2521	my ($self, $map, $x, $y) = @_;
		2522
		2523	return unless $self->contr->active;
1807		2524
1808	my $link_pos = delete $self->{_link_pos};	2525	my $link_pos = delete $self->{_link_pos};
1809		2526
1810	unless ($map) {	2527	unless ($map) {
1811	# restore original map position	2528	# restore original map position
…		…
1825	# use -1 or undef as default coordinates, not 0, 0	2542	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2543	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2544	if $x <=0 && $y <= 0;
1828		2545
1829	$map->load;	2546	$map->load;
1830	$map->load_diag;	2547	$map->load_neighbours;
1831		2548
1832	return unless $self->contr->active;	2549	return unless $self->contr->active;
1833	$self->activate_recursive;	2550	$self->activate_recursive;
1834		2551
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2552	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2553	$self->enter_map ($map, $x, $y);
1837	}	2554	}
1838		2555
1839	cf::player->attach (	2556	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840	on_logout => sub {
1841	my ($pl) = @_;
1842		2557
1843	# abort map switching before logout	2558	Moves the player to the given map-path and coordinates by first freezing
1844	if ($pl->ob->{_link_pos}) {	2559	her, loading and preparing them map, calling the provided $check callback
1845	cf::sync_job {	2560	that has to return the map if sucecssful, and then unfreezes the player on
1846	$pl->ob->leave_link	2561	the new (success) or old (failed) map position. In either case, $done will
1847	};	2562	be called at the end of this process.
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2563
1853	# try to abort aborted map switching on player login :)
1854	# should happen only on crashes
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870
1871	=item $player_object->goto ($path, $x, $y)
1872
1873	=cut	2564	=cut
		2565
		2566	our $GOTOGEN;
1874		2567
1875	sub cf::object::player::goto {	2568	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2569	my ($self, $path, $x, $y, $check, $done) = @_;
		2570
		2571	# do generation counting so two concurrent goto's will be executed in-order
		2572	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2573
1878	$self->enter_link;	2574	$self->enter_link;
1879		2575
1880	(async {	2576	(async {
		2577	$Coro::current->{desc} = "player::goto $path $x $y";
		2578
		2579	# *tag paths override both path and x|y
		2580	if ($path =~ /^\*(.*)$/) {
		2581	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2582	my $ob = $obs[rand @obs];
		2583
		2584	# see if we actually can go there
		2585	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2586	$ob = $obs[rand @obs];
		2587	} else {
		2588	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2589	}
		2590	# else put us there anyways for now #d#
		2591
		2592	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2593	} else {
		2594	($path, $x, $y) = (undef, undef, undef);
		2595	}
		2596	}
		2597
1881	my $map = eval {	2598	my $map = eval {
1882	my $map = cf::map::find $path;	2599	my $map = defined $path ? cf::map::find $path : undef;
		2600
		2601	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2602	$map = $map->customise_for ($self);
		2603	$map = $check->($map) if $check && $map;
		2604	} else {
		2605	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2606	}
		2607
1884	$map	2608	$map
		2609	};
		2610
		2611	if ($@) {
		2612	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2613	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2614	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2615
		2616	if ($gen == $self->{_goto_generation}) {
		2617	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2618	$self->leave_link ($map, $x, $y);
		2619	}
		2620
		2621	$done->() if $done;
1889	})->prio (1);	2622	})->prio (1);
1890	}	2623	}
1891		2624
1892	=item $player_object->enter_exit ($exit_object)	2625	=item $player_object->enter_exit ($exit_object)
1893		2626
…		…
1930	$rmp->{origin_y} = $exit->y;	2663	$rmp->{origin_y} = $exit->y;
1931	}	2664	}
1932		2665
1933	$rmp->{random_seed} ||= $exit->random_seed;	2666	$rmp->{random_seed} ||= $exit->random_seed;
1934		2667
1935	my $data = cf::to_json $rmp;	2668	my $data = cf::encode_json $rmp;
1936	my $md5 = Digest::MD5::md5_hex $data;	2669	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2670	my $meta = "$RANDOMDIR/$md5.meta";
1938		2671
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2672	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2673	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2674	undef $fh;
1942	aio_rename "$meta~", $meta;	2675	aio_rename "$meta~", $meta;
…		…
1951		2684
1952	return unless $self->type == cf::PLAYER;	2685	return unless $self->type == cf::PLAYER;
1953		2686
1954	if ($exit->slaying eq "/!") {	2687	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job	2688	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2689	# the problem is that $exit might not survive long enough
		2690	# so it needs to be done right now, right here
1956	cf::sync_job { prepare_random_map $exit };	2691	cf::sync_job { prepare_random_map $exit };
1957	}	2692	}
1958		2693
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2694	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;	2695	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;	2696	my $sp = $exit->stats->sp;
1962		2697
1963	$self->enter_link;	2698	$self->enter_link;
1964		2699
		2700	# if exit is damned, update players death & WoR home-position
		2701	$self->contr->savebed ($slaying, $hp, $sp)
		2702	if $exit->flag (FLAG_DAMNED);
		2703
1965	(async {	2704	(async {
		2705	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2706
1966	$self->deactivate_recursive; # just to be sure	2707	$self->deactivate_recursive; # just to be sure
1967	unless (eval {	2708	unless (eval {
1968	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($slaying, $hp, $sp);
1969		2710
1970	1;	2711	1;
1971	}) {	2712	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the crossfire server. "
1973	. "I'll try to bring you back to the map you were before. "	2714	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2717
1977	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2719	$self->leave_link;
1979	}	2720	}
1980	})->prio (1);	2721	})->prio (1);
…		…
1993		2734
1994	sub cf::client::send_drawinfo {	2735	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2736	my ($self, $text, $flags) = @_;
1996		2737
1997	utf8::encode $text;	2738	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2740	}
2000		2741
		2742	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2743
		2744	Send a drawinfo or msg packet to the client, formatting the msg for the
		2745	client if neccessary. C<$type> should be a string identifying the type of
		2746	the message, with C<log> being the default. If C<$color> is negative, suppress
		2747	the message unless the client supports the msg packet.
		2748
		2749	=cut
		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/uptime" => {
		2790	id => "infobox",
		2791	title => "Uptime",
		2792	reply => undef,
		2793	tooltip => "How long the server has been running since last restart",
		2794	},
		2795	"c/mapinfo" => {
		2796	id => "infobox",
		2797	title => "Map Info",
		2798	reply => undef,
		2799	tooltip => "Information related to the maps",
		2800	},
		2801	);
		2802
		2803	sub cf::client::send_msg {
		2804	my ($self, $channel, $msg, $color, @extra) = @_;
		2805
		2806	$msg = $self->pl->expand_cfpod ($msg);
		2807
		2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816
		2817	$channel = $channel->{id};
		2818
		2819	} elsif (ref $channel) {
		2820	# send meta info to client, if not yet sent
		2821	unless (exists $self->{channel}{$channel->{id}}) {
		2822	$self->{channel}{$channel->{id}} = $channel;
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825	}
		2826
		2827	$channel = $channel->{id};
		2828	}
		2829
		2830	return unless @extra || length $msg;
		2831
		2832	if ($self->can_msg) {
		2833	# default colour, mask it out
		2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2835	if $color & cf::NDI_DEF;
		2836
		2837	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2838	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2839	} else {
		2840	if ($color >= 0) {
		2841	# replace some tags by gcfclient-compatible ones
		2842	for ($msg) {
		2843	1 while
		2844	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2845	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2846	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2847	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2848	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2849	}
		2850
		2851	$color &= cf::NDI_COLOR_MASK;
		2852
		2853	utf8::encode $msg;
		2854
		2855	if (0 && $msg =~ /\[/) {
		2856	# COMMAND/INFO
		2857	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2858	} else {
		2859	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2860	$self->send_packet ("drawinfo $color $msg")
		2861	}
		2862	}
		2863	}
		2864	}
		2865
		2866	=item $client->ext_msg ($type, @msg)
		2867
		2868	Sends an ext event to the client.
		2869
		2870	=cut
		2871
		2872	sub cf::client::ext_msg($$@) {
		2873	my ($self, $type, @msg) = @_;
		2874
		2875	if ($self->extcmd == 2) {
		2876	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2877	} elsif ($self->extcmd == 1) { # TODO: remove
		2878	push @msg, msgtype => "event_$type";
		2879	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2880	}
		2881	}
		2882
		2883	=item $client->ext_reply ($msgid, @msg)
		2884
		2885	Sends an ext reply to the client.
		2886
		2887	=cut
		2888
		2889	sub cf::client::ext_reply($$@) {
		2890	my ($self, $id, @msg) = @_;
		2891
		2892	if ($self->extcmd == 2) {
		2893	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2894	} elsif ($self->extcmd == 1) {
		2895	#TODO: version 1, remove
		2896	unshift @msg, msgtype => "reply", msgid => $id;
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2898	}
		2899	}
2001		2900
2002	=item $success = $client->query ($flags, "text", \&cb)	2901	=item $success = $client->query ($flags, "text", \&cb)
2003		2902
2004	Queues a query to the client, calling the given callback with	2903	Queues a query to the client, calling the given callback with
2005	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2006	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		2906
2008	Queries can fail, so check the return code. Or don't, as queries will become	2907	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	2908	become reliable at some point in the future.
2010		2909
2011	=cut	2910	=cut
2012		2911
2013	sub cf::client::query {	2912	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2913	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2921	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2923
2025	$self->send_packet ($self->{query_queue}[0][0])	2924	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2925	if @{ $self->{query_queue} } == 1;
		2926
		2927	1
2027	}	2928	}
2028		2929
2029	cf::client->attach (	2930	cf::client->attach (
		2931	on_connect => sub {
		2932	my ($ns) = @_;
		2933
		2934	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2935	},
2030	on_reply => sub {	2936	on_reply => sub {
2031	my ($ns, $msg) = @_;	2937	my ($ns, $msg) = @_;
2032		2938
2033	# this weird shuffling is so that direct followup queries	2939	# this weird shuffling is so that direct followup queries
2034	# get handled first	2940	# get handled first
…		…
2046	} else {	2952	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2953	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	2954	}
2049	}	2955	}
2050	},	2956	},
		2957	on_exticmd => sub {
		2958	my ($ns, $buf) = @_;
		2959
		2960	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2961
		2962	if (ref $msg) {
		2963	my ($type, $reply, @payload) =
		2964	"ARRAY" eq ref $msg
		2965	? @$msg
		2966	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2967
		2968	my @reply;
		2969
		2970	if (my $cb = $EXTICMD{$type}) {
		2971	@reply = $cb->($ns, @payload);
		2972	}
		2973
		2974	$ns->ext_reply ($reply, @reply)
		2975	if $reply;
		2976
		2977	} else {
		2978	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2979	}
		2980
		2981	cf::override;
		2982	},
2051	);	2983	);
2052		2984
2053	=item $client->async (\&cb)	2985	=item $client->async (\&cb)
2054		2986
2055	Create a new coroutine, running the specified callback. The coroutine will	2987	Create a new coroutine, running the specified callback. The coroutine will
…		…
2096	our $safe = new Safe "safe";	3028	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	3029	our $safe_hole = new Safe::Hole;
2098		3030
2099	$SIG{FPE} = 'IGNORE';	3031	$SIG{FPE} = 'IGNORE';
2100		3032
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3033	$safe->permit_only (Opcode::opset qw(
		3034	:base_core :base_mem :base_orig :base_math
		3035	grepstart grepwhile mapstart mapwhile
		3036	sort time
		3037	));
2102		3038
2103	# here we export the classes and methods available to script code	3039	# here we export the classes and methods available to script code
2104		3040
2105	=pod	3041	=pod
2106		3042
2107	The following fucntions and emthods are available within a safe environment:	3043	The following functions and methods are available within a safe environment:
2108		3044
2109	cf::object contr pay_amount pay_player map	3045	cf::object
		3046	contr pay_amount pay_player map x y force_find force_add destroy
		3047	insert remove name archname title slaying race decrease_ob_nr
		3048
2110	cf::object::player player	3049	cf::object::player
2111	cf::player peaceful	3050	player
2112	cf::map trigger	3051
		3052	cf::player
		3053	peaceful
		3054
		3055	cf::map
		3056	trigger
2113		3057
2114	=cut	3058	=cut
2115		3059
2116	for (	3060	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	3061	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3062	insert remove inv name archname title slaying race
		3063	decrease_ob_nr destroy)],
2118	["cf::object::player" => qw(player)],	3064	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	3065	["cf::player" => qw(peaceful)],
2120	["cf::map" => qw(trigger)],	3066	["cf::map" => qw(trigger)],
2121	) {	3067	) {
2122	no strict 'refs';	3068	no strict 'refs';
…		…
2193	=back	3139	=back
2194		3140
2195	=cut	3141	=cut
2196		3142
2197	#############################################################################	3143	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268
2269	#############################################################################
2270	# the server's init and main functions	3144	# the server's init and main functions
2271		3145
2272	sub load_faces {	3146	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	3147	my ($path) = @_;
2274		3148
		3149	# HACK to clear player env face cache, we need some signal framework
		3150	# for this (global event?)
		3151	%ext::player_env::MUSIC_FACE_CACHE = ();
		3152
		3153	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3154
2275	warn "loading faces from $path\n";	3155	warn "loading facedata from $path\n";
2276		3156
2277	my $faces;	3157	my $facedata;
2278	0 < aio_load $path, $faces	3158	0 < aio_load $path, $facedata
2279	or die "$path: $!";	3159	or die "$path: $!";
2280		3160
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	3161	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		3162
		3163	$facedata->{version} == 2
		3164	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3165
		3166	# patch in the exptable
		3167	$facedata->{resource}{"res/exp_table"} = {
		3168	type => FT_RSRC,
		3169	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3170	};
		3171	cf::cede_to_tick;
		3172
		3173	{
		3174	my $faces = $facedata->{faceinfo};
		3175
2285	while (my ($face, $info) = each %$faces) {	3176	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3177	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3178
		3179	cf::face::set_visibility $idx, $info->{visibility};
		3180	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3181	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2289	Coro::cede;	3182	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3183
		3184	cf::cede_to_tick;
		3185	}
		3186
		3187	while (my ($face, $info) = each %$faces) {
		3188	next unless $info->{smooth};
		3189
		3190	my $idx = cf::face::find $face
		3191	or next;
		3192
		3193	if (my $smooth = cf::face::find $info->{smooth}) {
		3194	cf::face::set_smooth $idx, $smooth;
		3195	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3196	} else {
		3197	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3198	}
		3199
		3200	cf::cede_to_tick;
		3201	}
		3202	}
		3203
2290	}	3204	{
		3205	my $anims = $facedata->{animinfo};
		3206
		3207	while (my ($anim, $info) = each %$anims) {
		3208	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3209	cf::cede_to_tick;
		3210	}
		3211
		3212	cf::anim::invalidate_all; # d'oh
		3213	}
		3214
		3215	{
		3216	# TODO: for gcfclient pleasure, we should give resources
		3217	# that gcfclient doesn't grok a >10000 face index.
		3218	my $res = $facedata->{resource};
		3219
		3220	while (my ($name, $info) = each %$res) {
		3221	if (defined $info->{type}) {
		3222	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3223	my $data;
		3224
		3225	if ($info->{type} & 1) {
		3226	# prepend meta info
		3227
		3228	my $meta = $enc->encode ({
		3229	name => $name,
		3230	%{ $info->{meta} || {} },
		3231	});
		3232
		3233	$data = pack "(w/a*)*", $meta, $info->{data};
		3234	} else {
		3235	$data = $info->{data};
		3236	}
		3237
		3238	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3239	cf::face::set_type $idx, $info->{type};
		3240	} else {
		3241	$RESOURCE{$name} = $info;
		3242	}
		3243
		3244	cf::cede_to_tick;
		3245	}
		3246	}
		3247
		3248	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2291		3249
2292	1	3250	1
2293	}	3251	}
2294		3252
		3253	cf::global->attach (on_resource_update => sub {
		3254	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3255	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3256
		3257	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3258	my $sound = $soundconf->{compat}[$_]
		3259	or next;
		3260
		3261	my $face = cf::face::find "sound/$sound->[1]";
		3262	cf::sound::set $sound->[0] => $face;
		3263	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3264	}
		3265
		3266	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3267	my $face = cf::face::find "sound/$v";
		3268	cf::sound::set $k => $face;
		3269	}
		3270	}
		3271	});
		3272
		3273	register_exticmd fx_want => sub {
		3274	my ($ns, $want) = @_;
		3275
		3276	while (my ($k, $v) = each %$want) {
		3277	$ns->fx_want ($k, $v);
		3278	}
		3279	};
		3280
		3281	sub reload_regions {
		3282	# HACK to clear player env face cache, we need some signal framework
		3283	# for this (global event?)
		3284	%ext::player_env::MUSIC_FACE_CACHE = ();
		3285
		3286	load_resource_file "$MAPDIR/regions"
		3287	or die "unable to load regions file\n";
		3288
		3289	for (cf::region::list) {
		3290	$_->{match} = qr/$_->{match}/
		3291	if exists $_->{match};
		3292	}
		3293	}
		3294
		3295	sub reload_facedata {
		3296	load_facedata "$DATADIR/facedata"
		3297	or die "unable to load facedata\n";
		3298	}
		3299
		3300	sub reload_archetypes {
		3301	load_resource_file "$DATADIR/archetypes"
		3302	or die "unable to load archetypes\n";
		3303	#d# NEED to laod twice to resolve forward references
		3304	# this really needs to be done in an extra post-pass
		3305	# (which needs to be synchronous, so solve it differently)
		3306	load_resource_file "$DATADIR/archetypes"
		3307	or die "unable to load archetypes\n";
		3308	}
		3309
		3310	sub reload_treasures {
		3311	load_resource_file "$DATADIR/treasures"
		3312	or die "unable to load treasurelists\n";
		3313	}
		3314
2295	sub reload_resources {	3315	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3316	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3317
		3318	reload_regions;
2298	load_faces	3319	reload_facedata;
2299	or die "unable to load faces\n";#d#	3320	#reload_archetypes;#d#
		3321	reload_archetypes;
		3322	reload_treasures;
		3323
		3324	warn "finished reloading resource files\n";
2300	}	3325	}
2301		3326
2302	sub init {	3327	sub init {
2303	reload_resources;	3328	reload_resources;
2304	}	3329	}
2305		3330
2306	sub cfg_load {	3331	sub reload_config {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3332	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	3333	or return;
2309		3334
2310	local $/;	3335	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	3336	*CFG = YAML::Load <$fh>;
2312		3337
2313	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3338	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2314		3339
2315	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3340	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2316	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3341	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2327	sub main {	3352	sub main {
2328	# we must not ever block the main coroutine	3353	# we must not ever block the main coroutine
2329	local $Coro::idle = sub {	3354	local $Coro::idle = sub {
2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3355	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2331	(async {	3356	(async {
2332	Event::one_event;	3357	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3358	EV::loop EV::LOOP_ONESHOT;
2333	})->prio (Coro::PRIO_MAX);	3359	})->prio (Coro::PRIO_MAX);
2334	};	3360	};
2335		3361
2336	cfg_load;	3362	reload_config;
2337	db_init;	3363	db_init;
2338	load_extensions;	3364	load_extensions;
2339		3365
2340	$TICK_WATCHER->start;	3366	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3367	evthread_start IO::AIO::poll_fileno;
2341	Event::loop;	3368	EV::loop;
2342	}	3369	}
2343		3370
2344	#############################################################################	3371	#############################################################################
2345	# initialisation and cleanup	3372	# initialisation and cleanup
2346		3373
2347	# install some emergency cleanup handlers	3374	# install some emergency cleanup handlers
2348	BEGIN {	3375	BEGIN {
		3376	our %SIGWATCHER = ();
2349	for my $signal (qw(INT HUP TERM)) {	3377	for my $signal (qw(INT HUP TERM)) {
2350	Event->signal (	3378	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2351	reentrant => 0,
2352	data => WF_AUTOCANCEL,
2353	signal => $signal,
2354	prio => 0,
2355	cb => sub {
2356	cf::cleanup "SIG$signal";	3379	cf::cleanup "SIG$signal";
2357	},
2358	);	3380	};
		3381	}
		3382	}
		3383
		3384	sub write_runtime {
		3385	my $runtime = "$LOCALDIR/runtime";
		3386
		3387	# first touch the runtime file to show we are still running:
		3388	# the fsync below can take a very very long time.
		3389
		3390	IO::AIO::aio_utime $runtime, undef, undef;
		3391
		3392	my $guard = cf::lock_acquire "write_runtime";
		3393
		3394	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3395	or return;
		3396
		3397	my $value = $cf::RUNTIME + 90 + 10;
		3398	# 10 is the runtime save interval, for a monotonic clock
		3399	# 60 allows for the watchdog to kill the server.
		3400
		3401	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3402	and return;
		3403
		3404	# always fsync - this file is important
		3405	aio_fsync $fh
		3406	and return;
		3407
		3408	# touch it again to show we are up-to-date
		3409	aio_utime $fh, undef, undef;
		3410
		3411	close $fh
		3412	or return;
		3413
		3414	aio_rename "$runtime~", $runtime
		3415	and return;
		3416
		3417	warn "runtime file written.\n";
		3418
2359	}	3419	1
2360	}	3420	}
2361		3421
2362	sub emergency_save() {	3422	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3423	my $freeze_guard = cf::freeze_mainloop;
2364		3424
…		…
2370	# and maps saved/destroyed asynchronously.	3430	# and maps saved/destroyed asynchronously.
2371	warn "begin emergency player save\n";	3431	warn "begin emergency player save\n";
2372	for my $login (keys %cf::PLAYER) {	3432	for my $login (keys %cf::PLAYER) {
2373	my $pl = $cf::PLAYER{$login} or next;	3433	my $pl = $cf::PLAYER{$login} or next;
2374	$pl->valid or next;	3434	$pl->valid or next;
		3435	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2375	$pl->save;	3436	$pl->save;
2376	}	3437	}
2377	warn "end emergency player save\n";	3438	warn "end emergency player save\n";
2378		3439
2379	warn "begin emergency map save\n";	3440	warn "begin emergency map save\n";
…		…
2397		3458
2398	warn Carp::longmess "post_cleanup backtrace"	3459	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3460	if $make_core;
2400	}	3461	}
2401		3462
2402	sub reload() {	3463	sub do_reload_perl() {
2403	# can/must only be called in main	3464	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3465	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	3466	warn "can only reload from main coroutine";
2406	return;	3467	return;
2407	}	3468	}
…		…
2418	warn "syncing database to disk";	3479	warn "syncing database to disk";
2419	BDB::db_env_txn_checkpoint $DB_ENV;	3480	BDB::db_env_txn_checkpoint $DB_ENV;
2420		3481
2421	# if anything goes wrong in here, we should simply crash as we already saved	3482	# if anything goes wrong in here, we should simply crash as we already saved
2422		3483
2423	warn "cancelling all WF_AUTOCANCEL watchers";
2424	for (Event::all_watchers) {
2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2426	}
2427
2428	warn "flushing outstanding aio requests";	3484	warn "flushing outstanding aio requests";
2429	for (;;) {	3485	for (;;) {
2430	BDB::flush;	3486	BDB::flush;
2431	IO::AIO::flush;	3487	IO::AIO::flush;
2432	Coro::cede;	3488	Coro::cede_notself;
2433	last unless IO::AIO::nreqs || BDB::nreqs;	3489	last unless IO::AIO::nreqs || BDB::nreqs;
2434	warn "iterate...";	3490	warn "iterate...";
2435	}	3491	}
2436		3492
2437	++$RELOAD;	3493	++$RELOAD;
…		…
2441	%EXT_CORO = ();	3497	%EXT_CORO = ();
2442		3498
2443	warn "removing commands";	3499	warn "removing commands";
2444	%COMMAND = ();	3500	%COMMAND = ();
2445		3501
2446	warn "removing ext commands";	3502	warn "removing ext/exti commands";
2447	%EXTCMD = ();	3503	%EXTCMD = ();
		3504	%EXTICMD = ();
2448		3505
2449	warn "unloading/nuking all extensions";	3506	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {	3507	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";	3508	warn "... unloading $pkg";
2452		3509
…		…
2482	Symbol::delete_package "safe::$_"	3539	Symbol::delete_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3540	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3541
2485	warn "unloading cf.pm \"a bit\"";	3542	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3543	delete $INC{"cf.pm"};
		3544	delete $INC{"cf/pod.pm"};
2487		3545
2488	# don't, removes xs symbols, too,	3546	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3547	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3548	#Symbol::delete_package __PACKAGE__;
2491		3549
…		…
2494	warn "reloading cf.pm";	3552	warn "reloading cf.pm";
2495	require cf;	3553	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3554	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2497		3555
2498	warn "loading config and database again";	3556	warn "loading config and database again";
2499	cf::cfg_load;	3557	cf::reload_config;
2500		3558
2501	warn "loading extensions";	3559	warn "loading extensions";
2502	cf::load_extensions;	3560	cf::load_extensions;
2503		3561
2504	warn "reattaching attachments to objects/players";	3562	warn "reattaching attachments to objects/players";
…		…
2506	warn "reattaching attachments to maps";	3564	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3565	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3566	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3567	reattach $_ for values %PLAYER;
2510		3568
2511	warn "loading reloadable resources";
2512	reload_resources;
2513
2514	warn "leaving sync_job";	3569	warn "leaving sync_job";
2515		3570
2516	1	3571	1
2517	} or do {	3572	} or do {
2518	warn $@;	3573	warn $@;
2519	warn "error while reloading, exiting.";	3574	cf::cleanup "error while reloading, exiting.";
2520	exit 1;
2521	};	3575	};
2522		3576
2523	warn "reloaded";	3577	warn "reloaded";
2524	};	3578	};
2525		3579
2526	our $RELOAD_WATCHER; # used only during reload	3580	our $RELOAD_WATCHER; # used only during reload
2527		3581
		3582	sub reload_perl() {
		3583	# doing reload synchronously and two reloads happen back-to-back,
		3584	# coro crashes during coro_state_free->destroy here.
		3585
		3586	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3587	do_reload_perl;
		3588	undef $RELOAD_WATCHER;
		3589	};
		3590	}
		3591
2528	register_command "reload" => sub {	3592	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3593	my ($who, $arg) = @_;
2530		3594
2531	if ($who->flag (FLAG_WIZ)) {	3595	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3596	$who->message ("reloading server.");
2533		3597	async {
2534	# doing reload synchronously and two reloads happen back-to-back,	3598	$Coro::current->{desc} = "perl_reload";
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;	3599	reload_perl;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);	3600	};
2546	}	3601	}
2547	};	3602	};
2548		3603
2549	unshift @INC, $LIBDIR;	3604	unshift @INC, $LIBDIR;
2550		3605
2551	my $bug_warning = 0;	3606	my $bug_warning = 0;
2552		3607
2553	$TICK_WATCHER = Event->timer (	3608	our @WAIT_FOR_TICK;
2554	reentrant => 0,	3609	our @WAIT_FOR_TICK_BEGIN;
2555	parked => 1,	3610
2556	prio => 0,	3611	sub wait_for_tick {
2557	at => $NEXT_TICK || $TICK,	3612	return if tick_inhibit;
2558	data => WF_AUTOCANCEL,	3613	return if $Coro::current == $Coro::main;
2559	cb => sub {	3614
		3615	my $signal = new Coro::Signal;
		3616	push @WAIT_FOR_TICK, $signal;
		3617	$signal->wait;
		3618	}
		3619
		3620	sub wait_for_tick_begin {
		3621	return if tick_inhibit;
		3622	return if $Coro::current == $Coro::main;
		3623
		3624	my $signal = new Coro::Signal;
		3625	push @WAIT_FOR_TICK_BEGIN, $signal;
		3626	$signal->wait;
		3627	}
		3628
		3629	sub tick {
2560	if ($Coro::current != $Coro::main) {	3630	if ($Coro::current != $Coro::main) {
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3631	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	3632	unless ++$bug_warning > 10;
2563	return;	3633	return;
2564	}	3634	}
2565		3635
2566	$NOW = Event::time;
2567
2568	cf::server_tick; # one server iteration	3636	cf::server_tick; # one server iteration
2569	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;
2571		3637
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3639	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2574	Coro::async_pool {	3640	Coro::async_pool {
		3641	$Coro::current->{desc} = "runtime saver";
2575	write_runtime	3642	write_runtime
2576	or warn "ERROR: unable to write runtime file: $!";	3643	or warn "ERROR: unable to write runtime file: $!";
2577	};
2578	}	3644	};
2579
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#
2585
2586	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2588
2589	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;
2591	},	3645	}
2592	);	3646
		3647	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3648	$sig->send;
		3649	}
		3650	while (my $sig = shift @WAIT_FOR_TICK) {
		3651	$sig->send;
		3652	}
		3653
		3654	$LOAD = ($NOW - $TICK_START) / $TICK;
		3655	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3656
		3657	if (0) {
		3658	if ($NEXT_TICK) {
		3659	my $jitter = $TICK_START - $NEXT_TICK;
		3660	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3661	warn "jitter $JITTER\n";#d#
		3662	}
		3663	}
		3664	}
2593		3665
2594	{	3666	{
2595	BDB::max_poll_time $TICK * 0.1;	3667	# configure BDB
2596	$BDB_POLL_WATCHER = Event->io (	3668
2597	reentrant => 0,
2598	fd => BDB::poll_fileno,
2599	poll => 'r',
2600	prio => 0,
2601	data => WF_AUTOCANCEL,
2602	cb => \&BDB::poll_cb,
2603	);
2604	BDB::min_parallel 8;	3669	BDB::min_parallel 8;
2605		3670	BDB::max_poll_reqs $TICK * 0.1;
2606	BDB::set_sync_prepare {	3671	$Coro::BDB::WATCHER->priority (1);
2607	my $status;
2608	my $current = $Coro::current;
2609	(
2610	sub {
2611	$status = $!;
2612	$current->ready; undef $current;
2613	},
2614	sub {
2615	Coro::schedule while defined $current;
2616	$! = $status;
2617	},
2618	)
2619	};
2620		3672
2621	unless ($DB_ENV) {	3673	unless ($DB_ENV) {
2622	$DB_ENV = BDB::db_env_create;	3674	$DB_ENV = BDB::db_env_create;
		3675	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3676	| BDB::LOG_AUTOREMOVE, 1);
		3677	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3678	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2623		3679
2624	cf::sync_job {	3680	cf::sync_job {
2625	eval {	3681	eval {
2626	BDB::db_env_open	3682	BDB::db_env_open
2627	$DB_ENV,	3683	$DB_ENV,
2628	$BDB_ENV_DIR,	3684	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3685	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3686	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3687	0666;
2632		3688
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3689	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;
2637	};	3690	};
2638		3691
2639	cf::cleanup "db_env_open(db): $@" if $@;	3692	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	3693	};
2641	}	3694	}
		3695
		3696	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3697	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3698	};
		3699	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3700	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3701	};
		3702	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3703	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3704	};
2642	}	3705	}
2643		3706
2644	{	3707	{
		3708	# configure IO::AIO
		3709
2645	IO::AIO::min_parallel 8;	3710	IO::AIO::min_parallel 8;
2646
2647	undef $Coro::AIO::WATCHER;
2648	IO::AIO::max_poll_time $TICK * 0.1;	3711	IO::AIO::max_poll_time $TICK * 0.1;
2649	$AIO_POLL_WATCHER = Event->io (	3712	$Coro::AIO::WATCHER->priority (1);
2650	reentrant => 0,
2651	data => WF_AUTOCANCEL,
2652	fd => IO::AIO::poll_fileno,
2653	poll => 'r',
2654	prio => 6,
2655	cb => \&IO::AIO::poll_cb,
2656	);
2657	}	3713	}
		3714
		3715	my $_log_backtrace;
		3716
		3717	sub _log_backtrace {
		3718	my ($msg, @addr) = @_;
		3719
		3720	$msg =~ s/\n//;
		3721
		3722	# limit the # of concurrent backtraces
		3723	if ($_log_backtrace < 2) {
		3724	++$_log_backtrace;
		3725	async {
		3726	$Coro::current->{desc} = "abt $msg";
		3727
		3728	my @bt = fork_call {
		3729	@addr = map { sprintf "%x", $_ } @addr;
		3730	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3731	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3732	or die "addr2line: $!";
		3733
		3734	my @funcs;
		3735	my @res = <$fh>;
		3736	chomp for @res;
		3737	while (@res) {
		3738	my ($func, $line) = splice @res, 0, 2, ();
		3739	push @funcs, "[$func] $line";
		3740	}
		3741
		3742	@funcs
		3743	};
		3744
		3745	LOG llevInfo, "[ABT] $msg\n";
		3746	LOG llevInfo, "[ABT] $_\n" for @bt;
		3747	--$_log_backtrace;
		3748	};
		3749	} else {
		3750	LOG llevInfo, "[ABT] $msg\n";
		3751	LOG llevInfo, "[ABT] [suppressed]\n";
		3752	}
		3753	}
		3754
		3755	# load additional modules
		3756	use cf::pod;
2658		3757
2659	END { cf::emergency_save }	3758	END { cf::emergency_save }
2660		3759
2661	1	3760	1
2662		3761

Diff Legend

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