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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.266 by root, Fri May 18 01:01:02 2007 UTC vs.
Revision 1.413 by root, Sun Apr 6 16:13:20 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 Socket;	29	use Socket;
9	use Storable;	30	use EV 3.2;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
14		35
15	use Coro 3.61 ();	36	use Coro 4.32 ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::EV;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
22	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
23	use Coro::Storable;	45	use Coro::Storable;
		46	use Coro::Util ();
24		47
		48	use JSON::XS 2.01 ();
25	use BDB ();	49	use BDB ();
26	use Data::Dumper;	50	use Data::Dumper;
27	use Digest::MD5;	51	use Digest::MD5;
28	use Fcntl;	52	use Fcntl;
29	use YAML::Syck ();	53	use YAML ();
30	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
31	use Time::HiRes;	55	use Time::HiRes;
32	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
33		58
34	# configure various modules to our taste	59	# configure various modules to our taste
35	#	60	#
36	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	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
39		64
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		66
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		68
49	our %COMMAND = ();	69	our %COMMAND = ();
50	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
51		71
52	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
56		77
57	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
58	our @EVENT;	79	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
71		93
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	97	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		99
80	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	104	our $DB_ENV;
82		105
83	our %CFG;	106	our %CFG;
84		107
85	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
87		111
88	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
91		115
92	# 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 ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		118
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	122	our $TICK_START; # for load detecting purposes
98		123
99	binmode STDOUT;	124	binmode STDOUT;
100	binmode STDERR;	125	binmode STDERR;
101		126
102	# read virtual server time, if available	127	# read virtual server time, if available
…		…
155		180
156	The raw value load value from the last tick.	181	The raw value load value from the last tick.
157		182
158	=item %cf::CFG	183	=item %cf::CFG
159		184
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	186	from wherever your confdir points to.
162		187
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		189
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	191	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		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.
		199
169	=back	200	=back
170		201
171	=cut	202	=cut
172		203
173	BEGIN {	204	BEGIN {
…		…
177	$msg .= "\n"	208	$msg .= "\n"
178	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
179		210
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		212
182	utf8::encode $msg;
183	LOG llevError, $msg;	213	LOG llevError, $msg;
184	};	214	};
185	}	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#?
186		231
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@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';
192	@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)
193		239
194	# 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
195	# within the Safe compartment.	241	# within the Safe compartment.
196	for my $pkg (qw(	242	for my $pkg (qw(
197	cf::global cf::attachable	243	cf::global cf::attachable
…		…
202	)) {	248	)) {
203	no strict 'refs';	249	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	251	}
206		252
207	$Event::DIED = sub {	253	$EV::DIED = sub {
208	warn "error in event callback: @_";	254	warn "error in event callback: @_";
209	};	255	};
		256
		257	#############################################################################
210		258
211	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
212		260
213	=over 4	261	=over 4
214		262
…		…
233	$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;
234	$d	282	$d
235	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
236	}	284	}
237		285
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
241		287
242	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
243		289
244	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
245		291
246	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
		293
		294	=cut
		295
		296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		297
		298	sub encode_json($) { $json_coder->encode ($_[0]) }
		299	sub decode_json($) { $json_coder->decode ($_[0]) }
247		300
248	=item cf::lock_wait $string	301	=item cf::lock_wait $string
249		302
250	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
251		304
…		…
254	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
255	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,
256	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
257	returned.	310	returned.
258		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
259	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
260	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
261		317
262	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
263		319
264	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
265		321
266	=cut	322	=cut
267		323
268	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
269		326
270	sub lock_wait($) {	327	sub lock_wait($) {
271	my ($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#
272		334
273	# wait for lock, if any	335	# wait for lock, if any
274	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	338	Coro::schedule;
…		…
282		344
283	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
284	lock_wait $key;	346	lock_wait $key;
285		347
286	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
287		350
288	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
291	}	355	}
292	}	356	}
293		357
…		…
296		360
297	! ! $LOCK{$key}	361	! ! $LOCK{$key}
298	}	362	}
299		363
300	sub freeze_mainloop {	364	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
302		366
303	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
304	$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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
305	};	428	}
306	$TICK_WATCHER->stop;	429	};
307	$guard	430
		431	sub get_slot($;$$) {
		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	$sig->wait;
308	}	441	}
309		442
310	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
311		444
312	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		450
318	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
319		452
320	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
321		454
322	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
325		459
326	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
329	fast or be very important.	463	fast or be very important.
…		…
332		466
333	sub sync_job(&) {	467	sub sync_job(&) {
334	my ($job) = @_;	468	my ($job) = @_;
335		469
336	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	471	my $time = EV::time;
338		472
339	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
341		475
342	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	477
344	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
345		479
346	my $busy = 1;	480	my $busy = 1;
347	my @res;	481	my @res;
348		482
349	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	485	@res = eval { $job->() };
351	warn $@ if $@;	486	warn $@ if $@;
352	undef $busy;	487	undef $busy;
353	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
354		489
355	while ($busy) {	490	while ($busy) {
356	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
357	}	495	}
		496	}
358		497
359	$time = Event::time - $time;	498	my $time = EV::time - $time;
360		499
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	500	$TICK_START += $time; # do not account sync jobs to server load
365		501
366	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
367	} else {	503	} else {
368	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
369		505
…		…
389	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
390		526
391	$coro	527	$coro
392	}	528	}
393		529
394	sub write_runtime {	530	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		531
397	# first touch the runtime file to show we are still running:	532	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	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.
399		536
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	537	=cut
401	utime undef, undef, $fh;	538
		539	sub fork_call(&@) {
		540	my ($cb, @args) = @_;
		541
		542	# we seemingly have to make a local copy of the whole thing,
		543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
		545
		546	my @res = Coro::Util::fork_eval {
		547	reset_signals;
		548	&$cb
		549	}, @args;
		550
		551	wantarray ? @res : $res[-1]
		552	}
		553
		554	=item $value = cf::db_get $family => $key
		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 $!;
402	}	581	};
		582	cf::cleanup "db_open(db): $@" if $@;
403		583
404	my $guard = cf::lock_acquire "write_runtime";	584	$db
		585	}
405		586
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	587	our $DB;
407	or return;
408		588
409	my $value = $cf::RUNTIME + 90 + 10;	589	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	590	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	591	$DB ||= db_table "db";
		592	};
		593	}
412		594
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	595	sub db_get($$) {
414	and return;	596	my $key = "$_[0]/$_[1]";
415		597
416	# always fsync - this file is important	598	cf::sync_job {
417	aio_fsync $fh	599	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		600
420	# touch it again to show we are up-to-date	601	$! ? ()
421	utime undef, undef, $fh;	602	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	603	}
		604	}
		605
		606	sub db_put($$$) {
		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"
432	}	679	}
433		680
434	=item cf::datalog type => key => value, ...	681	=item cf::datalog type => key => value, ...
435		682
436	Log a datalog packet of the given type with the given key-value pairs.	683	Log a datalog packet of the given type with the given key-value pairs.
…		…
454	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")
455	to it. All such attachable objects support the following methods.	702	to it. All such attachable objects support the following methods.
456		703
457	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>
458	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
459	crossfire+).	706	Deliantra).
460		707
461	=over 4	708	=over 4
462		709
463	=item $attachable->attach ($attachment, key => $value...)	710	=item $attachable->attach ($attachment, key => $value...)
464		711
…		…
627	$registry = $CB_TYPE[$object_type] ||= [];	874	$registry = $CB_TYPE[$object_type] ||= [];
628		875
629	} elsif ($type eq "subtype") {	876	} elsif ($type eq "subtype") {
630	defined $object_type or Carp::croak "subtype specified without type";	877	defined $object_type or Carp::croak "subtype specified without type";
631	my $object_subtype = shift @arg;	878	my $object_subtype = shift @arg;
632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	879	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633		880
634	} elsif ($type eq "package") {	881	} elsif ($type eq "package") {
635	my $pkg = shift @arg;	882	my $pkg = shift @arg;
636		883
637	while (my ($name, $id) = each %cb_id) {	884	while (my ($name, $id) = each %cb_id) {
…		…
666	_attach $registry, $klass, @attach;	913	_attach $registry, $klass, @attach;
667	}	914	}
668		915
669	$obj->{$name} = \%arg;	916	$obj->{$name} = \%arg;
670	} else {	917	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	918	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	919	}
673		920
674	$obj->{_attachment}{$name} = undef;	921	$obj->{_attachment}{$name} = undef;
675	}	922	}
676		923
…		…
678	if (ref $_[0]) {	925	if (ref $_[0]) {
679	_object_attach @_;	926	_object_attach @_;
680	} else {	927	} else {
681	_attach shift->_attach_registry, @_;	928	_attach shift->_attach_registry, @_;
682	}	929	}
		930	_recalc_want;
683	};	931	};
684		932
685	# all those should be optimised	933	# all those should be optimised
686	sub cf::attachable::detach {	934	sub cf::attachable::detach {
687	my ($obj, $name) = @_;	935	my ($obj, $name) = @_;
…		…
690	delete $obj->{_attachment}{$name};	938	delete $obj->{_attachment}{$name};
691	reattach ($obj);	939	reattach ($obj);
692	} else {	940	} else {
693	Carp::croak "cannot, currently, detach class attachments";	941	Carp::croak "cannot, currently, detach class attachments";
694	}	942	}
		943	_recalc_want;
695	};	944	};
696		945
697	sub cf::attachable::attached {	946	sub cf::attachable::attached {
698	my ($obj, $name) = @_;	947	my ($obj, $name) = @_;
699		948
…		…
714	";	963	";
715	die if $@;	964	die if $@;
716	}	965	}
717		966
718	our $override;	967	our $override;
719	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?
720		969
721	sub override {	970	sub override {
722	$override = 1;	971	$override = 1;
723	@invoke_results = ();	972	@INVOKE_RESULTS = (@_);
724	}	973	}
725		974
726	sub do_invoke {	975	sub do_invoke {
727	my $event = shift;	976	my $event = shift;
728	my $callbacks = shift;	977	my $callbacks = shift;
729		978
730	@invoke_results = ();	979	@INVOKE_RESULTS = ();
731		980
732	local $override;	981	local $override;
733		982
734	for (@$callbacks) {	983	for (@$callbacks) {
735	eval { &{$_->[1]} };	984	eval { &{$_->[1]} };
…		…
744	}	993	}
745		994
746	0	995	0
747	}	996	}
748		997
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	998	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		999
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1000	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1001
753	Generate an object-specific event with the given arguments.	1002	Generate an object-specific event with the given arguments.
754		1003
755	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
756	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
757	results (if you must, access C<@cf::invoke_results> directly).	1006	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1007
759	=back	1008	=back
760		1009
761	=cut	1010	=cut
762		1011
763	#############################################################################	1012	#############################################################################
764	# 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, $ob2
		1055	}
765		1056
766	sub reattach {	1057	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1058	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1059	my ($obj) = @_;
769		1060
…		…
790	cf::attachable->attach (	1081	cf::attachable->attach (
791	prio => -1000000,	1082	prio => -1000000,
792	on_instantiate => sub {	1083	on_instantiate => sub {
793	my ($obj, $data) = @_;	1084	my ($obj, $data) = @_;
794		1085
795	$data = from_json $data;	1086	$data = decode_json $data;
796		1087
797	for (@$data) {	1088	for (@$data) {
798	my ($name, $args) = @$_;	1089	my ($name, $args) = @$_;
799		1090
800	$obj->attach ($name, %{$args || {} });	1091	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1107	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1108	my ($filename, $rdata, $objs) = @_;
818		1109
819	sync_job {	1110	sync_job {
820	if (length $$rdata) {	1111	if (length $$rdata) {
		1112	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1113	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1114	$decname, length $$rdata, scalar @$objs;
823		1115
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1116	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1117	chmod SAVE_MODE, $fh;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1118	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1119	aio_fsync $fh if $cf::USE_FSYNC;
828	close $fh;	1120	close $fh;
829		1121
830	if (@$objs) {	1122	if (@$objs) {
831	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) {
832	chmod SAVE_MODE, $fh;	1124	chmod SAVE_MODE, $fh;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1125	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1126	aio_write $fh, 0, (length $data), $data, 0;
835	aio_fsync $fh if $cf::USE_FSYNC;	1127	aio_fsync $fh if $cf::USE_FSYNC;
836	close $fh;	1128	close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1129	aio_rename "$filename.pst~", "$filename.pst";
838	}	1130	}
…		…
846	}	1138	}
847	} else {	1139	} else {
848	aio_unlink $filename;	1140	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1141	aio_unlink "$filename.pst";
850	}	1142	}
851	}	1143	};
852	}	1144	}
853		1145
854	sub object_freezer_as_string {	1146	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1147	my ($rdata, $objs) = @_;
856		1148
…		…
868	or return;	1160	or return;
869		1161
870	unless (aio_stat "$filename.pst") {	1162	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1163	(aio_load "$filename.pst", $av) >= 0
872	or return;	1164	or return;
		1165
873	$av = eval { (Storable::thaw $av)->{objs} };	1166	my $st = eval { Coro::Storable::thaw $av };
		1167	$av = $st->{objs};
874	}	1168	}
875		1169
		1170	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1171	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1172	$decname, length $data, scalar @{$av || []};
		1173
878	return ($data, $av);	1174	($data, $av)
879	}	1175	}
		1176
		1177	=head2 COMMAND CALLBACKS
		1178
		1179	=over 4
		1180
		1181	=cut
880		1182
881	#############################################################################	1183	#############################################################################
882	# command handling &c	1184	# command handling &c
883		1185
884	=item cf::register_command $name => \&callback($ob,$args);	1186	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1199	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1200	}
899		1201
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1202	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1203
902	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.
903		1209
904	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
905	called.	1211	called.
906		1212
		1213	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1214
		1215	Register a callback for execution when the client sends an (asynchronous)
		1216	exticmd packet. Exti commands are processed by the server as soon as they
		1217	are received, i.e. out of order w.r.t. other commands. The first argument
		1218	is a client socket. Exti commands can be received anytime, even before
		1219	log-in.
		1220
		1221	If the callback returns something, it is sent back as if reply was being
		1222	called.
		1223
907	=cut	1224	=cut
908		1225
909	sub register_extcmd {	1226	sub register_extcmd {
910	my ($name, $cb) = @_;	1227	my ($name, $cb) = @_;
911		1228
912	$EXTCMD{$name} = $cb;	1229	$EXTCMD{$name} = $cb;
		1230	}
		1231
		1232	sub register_exticmd {
		1233	my ($name, $cb) = @_;
		1234
		1235	$EXTICMD{$name} = $cb;
913	}	1236	}
914		1237
915	cf::player->attach (	1238	cf::player->attach (
916	on_command => sub {	1239	on_command => sub {
917	my ($pl, $name, $params) = @_;	1240	my ($pl, $name, $params) = @_;
…		…
926	cf::override;	1249	cf::override;
927	},	1250	},
928	on_extcmd => sub {	1251	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1252	my ($pl, $buf) = @_;
930		1253
931	my $msg = eval { from_json $buf };	1254	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1255
933	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
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1264	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1265	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1266	}
		1267
		1268	$pl->ext_reply ($reply, @reply)
		1269	if $reply;
		1270
939	} else {	1271	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1272	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1273	}
942		1274
943	cf::override;	1275	cf::override;
944	},	1276	},
945	);	1277	);
946		1278
947	sub load_extension {
948	my ($path) = @_;
949
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;
952	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}
975	die $@;
976	}
977
978	push @EXTS, $pkg;
979	}
980
981	sub load_extensions {	1279	sub load_extensions {
		1280	cf::sync_job {
		1281	my %todo;
		1282
982	for my $ext (<$LIBDIR/*.ext>) {	1283	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1284	next unless -r $path;
984	eval {	1285
985	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	$progress = 1;
986	1	1342	}
987	} or warn "$ext not loaded: $@";	1343
		1344	skip:
		1345	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1346	unless $progress;
		1347	}
988	}	1348	};
989	}	1349	}
990		1350
991	#############################################################################	1351	#############################################################################
992		1352
		1353	=back
		1354
993	=head2 CORE EXTENSIONS	1355	=head2 CORE EXTENSIONS
994		1356
995	Functions and methods that extend core crossfire objects.	1357	Functions and methods that extend core crossfire objects.
996		1358
997	=cut	1359	=cut
…		…
1001	use Coro::AIO;	1363	use Coro::AIO;
1002		1364
1003	=head3 cf::player	1365	=head3 cf::player
1004		1366
1005	=over 4	1367	=over 4
		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	}
1006		1382
1007	=item cf::player::find $login	1383	=item cf::player::find $login
1008		1384
1009	Returns the given player object, loading it if necessary (might block).	1385	Returns the given player object, loading it if necessary (might block).
1010		1386
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1422	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1423	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1424	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1425	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1426
1051	my $pl = load_pl path $login	1427	my $f = new_from_file cf::object::thawer path $login
1052	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;
1053	$cf::PLAYER{$login} = $pl	1434	$cf::PLAYER{$login} = $pl
1054	}	1435	}
1055	}	1436	}
1056	}	1437	}
1057		1438
…		…
1067		1448
1068	aio_mkdir playerdir $pl, 0770;	1449	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1450	$pl->{last_save} = $cf::RUNTIME;
1070		1451
1071	$pl->save_pl ($path);	1452	$pl->save_pl ($path);
1072	Coro::cede;	1453	cf::cede_to_tick;
1073	}	1454	}
1074		1455
1075	sub new($) {	1456	sub new($) {
1076	my ($login) = @_;	1457	my ($login) = @_;
1077		1458
…		…
1081	$self->{deny_save} = 1;	1462	$self->{deny_save} = 1;
1082		1463
1083	$cf::PLAYER{$login} = $self;	1464	$cf::PLAYER{$login} = $self;
1084		1465
1085	$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 (@_);
1086	}	1477	}
1087		1478
1088	=item $pl->quit_character	1479	=item $pl->quit_character
1089		1480
1090	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
…		…
1145	or return [];	1536	or return [];
1146		1537
1147	my @logins;	1538	my @logins;
1148		1539
1149	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") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1545	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1546	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1547	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1548	}
1153		1549
1154	utf8::decode $login;	1550	utf8::decode $login;
1155	push @logins, $login;	1551	push @logins, $login;
1156	}	1552	}
1157		1553
…		…
1184	}	1580	}
1185		1581
1186	\@paths	1582	\@paths
1187	}	1583	}
1188		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
1189	=item $player->ext_reply ($msgid, %msg)	1678	=item $player->ext_reply ($msgid, @msg)
1190		1679
1191	Sends an ext reply to the player.	1680	Sends an ext reply to the player.
1192		1681
1193	=cut	1682	=cut
1194		1683
1195	sub ext_reply($$%) {	1684	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1685	my ($self, $id, @msg) = @_;
1197		1686
1198	$msg{msgid} = $id;	1687	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1688	}
1202		1689
1203	=item $player->ext_event ($type, %msg)	1690	=item $player->ext_msg ($type, @msg)
1204		1691
1205	Sends an ext event to the client.	1692	Sends an ext event to the client.
1206		1693
1207	=cut	1694	=cut
1208		1695
1209	sub ext_event($$%) {	1696	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1697	my ($self, $type, @msg) = @_;
1211		1698
1212	$self->ns->ext_event ($type, %msg);	1699	$self->ns->ext_msg ($type, @msg);
1213	}	1700	}
1214		1701
1215	=head3 cf::region	1702	=head3 cf::region
1216		1703
1217	=over 4	1704	=over 4
…		…
1220		1707
1221	package cf::region;	1708	package cf::region;
1222		1709
1223	=item cf::region::find_by_path $path	1710	=item cf::region::find_by_path $path
1224		1711
1225	Tries to decuce the probable region for a map knowing only its path.	1712	Tries to decuce the likely region for a map knowing only its path.
1226		1713
1227	=cut	1714	=cut
1228		1715
1229	sub find_by_path($) {	1716	sub find_by_path($) {
1230	my ($path) = @_;	1717	my ($path) = @_;
1231		1718
1232	my ($match, $specificity);	1719	my ($match, $specificity);
1233		1720
1234	for my $region (list) {	1721	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1722	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1723	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1724	if $region->specificity > $specificity;
1238	}	1725	}
1239	}	1726	}
1240		1727
…		…
1304	my ($self, $merge) = @_;	1791	my ($self, $merge) = @_;
1305		1792
1306	# we have to keep some variables in memory intact	1793	# we have to keep some variables in memory intact
1307	local $self->{path};	1794	local $self->{path};
1308	local $self->{load_path};	1795	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1796
1312	$self->SUPER::thawer_merge ($merge);	1797	$self->SUPER::thawer_merge ($merge);
1313	}	1798	}
1314		1799
1315	sub normalise {	1800	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1847	$self->init; # pass $1 etc.
1363	return $self;	1848	return $self;
1364	}	1849	}
1365	}	1850	}
1366		1851
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1852	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1853	()
1369	}	1854	}
1370		1855
1371	sub init {	1856	sub init {
1372	my ($self) = @_;	1857	my ($self) = @_;
…		…
1415		1900
1416	$_->change_map_light ($change)	1901	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1902	for grep $_->outdoor, values %cf::MAP;
1418	}	1903	}
1419		1904
		1905	sub decay_objects {
		1906	my ($self) = @_;
		1907
		1908	return if $self->{deny_reset};
		1909
		1910	$self->do_decay_objects;
		1911	}
		1912
1420	sub unlink_save {	1913	sub unlink_save {
1421	my ($self) = @_;	1914	my ($self) = @_;
1422		1915
1423	utf8::encode (my $save = $self->save_path);	1916	utf8::encode (my $save = $self->save_path);
1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1917	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1427		1920
1428	sub load_header_from($) {	1921	sub load_header_from($) {
1429	my ($self, $path) = @_;	1922	my ($self, $path) = @_;
1430		1923
1431	utf8::encode $path;	1924	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1925	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	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;
1437		1933
1438	$self->{load_path} = $path;	1934	$self->{load_path} = $path;
1439		1935
1440	1	1936	1
1441	}	1937	}
…		…
1480	$self->load_header_orig	1976	$self->load_header_orig
1481	or return;	1977	or return;
1482	$self->prepare_orig;	1978	$self->prepare_orig;
1483	}	1979	}
1484		1980
		1981	$self->{deny_reset} = 1
		1982	if $self->no_reset;
		1983
1485	$self->default_region (cf::region::find_by_path $self->{path})	1984	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1985	unless $self->default_region;
1487		1986
1488	1	1987	1
1489	}	1988	}
…		…
1492	sub find {	1991	sub find {
1493	my ($path, $origin) = @_;	1992	my ($path, $origin) = @_;
1494		1993
1495	$path = normalise $path, $origin && $origin->path;	1994	$path = normalise $path, $origin && $origin->path;
1496		1995
		1996	cf::lock_wait "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	1997	cf::lock_wait "map_find:$path";
1498		1998
1499	$cf::MAP{$path} || do {	1999	$cf::MAP{$path} || do {
1500	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
1501	my $map = new_from_path cf::map $path	2003	my $map = new_from_path cf::map $path
1502	or return;	2004	or return;
1503		2005
1504	$map->{last_save} = $cf::RUNTIME;	2006	$map->{last_save} = $cf::RUNTIME;
1505		2007
1506	$map->load_header	2008	$map->load_header
1507	or return;	2009	or return;
1508		2010
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2011	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	2012	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	2013	#$cf::WAIT_FOR_TICK->wait;
		2014	undef $guard1;
		2015	undef $guard2;
1512	$map->reset;	2016	$map->reset;
1513	undef $guard;
1514	return find $path;	2017	return find $path;
1515	}	2018	}
1516		2019
1517	$cf::MAP{$path} = $map	2020	$cf::MAP{$path} = $map
1518	}	2021	}
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	2030	local $self->{deny_reset} = 1; # loading can take a long time
1528		2031
1529	my $path = $self->{path};	2032	my $path = $self->{path};
1530		2033
1531	{	2034	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2035	my $guard = cf::lock_acquire "map_data:$path";
1533		2036
		2037	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2038	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		2039
1536	$self->in_memory (cf::MAP_LOADING);	2040	$self->in_memory (cf::MAP_LOADING);
1537		2041
1538	$self->alloc;	2042	$self->alloc;
1539		2043
1540	$self->pre_load;	2044	$self->pre_load;
1541	Coro::cede;	2045	cf::cede_to_tick;
1542		2046
		2047	my $f = new_from_file cf::object::thawer $self->{load_path};
		2048	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2049	$self->_load_objects ($f)
1544	or return;	2050	or return;
1545		2051
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2052	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1547	if delete $self->{load_original};	2053	if delete $self->{load_original};
1548		2054
1549	if (my $uniq = $self->uniq_path) {	2055	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2056	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2057	unless (aio_stat $uniq) {
		2058	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2059	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2060	$self->_load_objects ($f);
		2061	$f->resolve_delayed_derefs;
		2062	}
1554	}	2063	}
1555	}	2064	}
1556		2065
1557	Coro::cede;	2066	$f->resolve_delayed_derefs;
		2067
		2068	cf::cede_to_tick;
1558	# now do the right thing for maps	2069	# now do the right thing for maps
1559	$self->link_multipart_objects;	2070	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2071	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2072	unless $self->difficulty;
1562	Coro::cede;	2073	cf::cede_to_tick;
1563		2074
1564	unless ($self->{deny_activate}) {	2075	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2076	$self->decay_objects;
1566	$self->fix_auto_apply;	2077	$self->fix_auto_apply;
1567	$self->update_buttons;	2078	$self->update_buttons;
1568	Coro::cede;	2079	cf::cede_to_tick;
1569	$self->set_darkness_map;	2080	$self->set_darkness_map;
1570	Coro::cede;	2081	cf::cede_to_tick;
1571	$self->activate;	2082	$self->activate;
1572	}	2083	}
		2084
		2085	$self->{last_save} = $cf::RUNTIME;
		2086	$self->last_access ($cf::RUNTIME);
1573		2087
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2088	$self->in_memory (cf::MAP_IN_MEMORY);
1575	}	2089	}
1576		2090
1577	$self->post_load;	2091	$self->post_load;
…		…
1581	my ($self, $ob) = @_;	2095	my ($self, $ob) = @_;
1582		2096
1583	return find "~" . $ob->name . "/" . $self->{path}	2097	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2098	if $self->per_player;
1585		2099
		2100	# return find "?party/" . $ob->name . "/" . $self->{path}
		2101	# if $self->per_party;
		2102
1586	$self	2103	$self
1587	}	2104	}
1588		2105
1589	# find and load all maps in the 3x3 area around a map	2106	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2107	sub load_neighbours {
1591	my ($map) = @_;	2108	my ($map) = @_;
1592		2109
1593	my @diag; # diagonal neighbours	2110	my @neigh; # diagonal neighbours
1594		2111
1595	for (0 .. 3) {	2112	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2113	my $neigh = $map->tile_path ($_)
1597	or next;	2114	or next;
1598	$neigh = find $neigh, $map	2115	$neigh = find $neigh, $map
1599	or next;	2116	or next;
1600	$neigh->load;	2117	$neigh->load;
1601		2118
		2119	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2120	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2121	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2122	}
1605		2123
1606	for (@diag) {	2124	for (grep defined $_->[0], @neigh) {
		2125	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2126	my $neigh = find $path, $origin
1608	or next;	2127	or next;
1609	$neigh->load;	2128	$neigh->load;
1610	}	2129	}
1611	}	2130	}
1612		2131
…		…
1617	}	2136	}
1618		2137
1619	sub do_load_sync {	2138	sub do_load_sync {
1620	my ($map) = @_;	2139	my ($map) = @_;
1621		2140
		2141	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2142	if $Coro::current == $Coro::main;
		2143
1622	cf::sync_job { $map->load };	2144	cf::sync_job { $map->load };
1623	}	2145	}
1624		2146
1625	our %MAP_PREFETCH;	2147	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2148	our $MAP_PREFETCHER = undef;
1627		2149
1628	sub find_async {	2150	sub find_async {
1629	my ($path, $origin) = @_;	2151	my ($path, $origin, $load) = @_;
1630		2152
1631	$path = normalise $path, $origin && $origin->{path};	2153	$path = normalise $path, $origin && $origin->{path};
1632		2154
1633	if (my $map = $cf::MAP{$path}) {	2155	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2156	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1635	}	2157	}
1636		2158
1637	undef $MAP_PREFETCH{$path};	2159	$MAP_PREFETCH{$path} |= $load;
		2160
1638	$MAP_PREFETCHER ||= cf::async {	2161	$MAP_PREFETCHER ||= cf::async {
		2162	$Coro::current->{desc} = "map prefetcher";
		2163
1639	while (%MAP_PREFETCH) {	2164	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2165	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2166	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2167	$map->load if $v;
		2168	}
1644		2169
1645	delete $MAP_PREFETCH{$path};	2170	delete $MAP_PREFETCH{$k};
1646	}	2171	}
1647	}	2172	}
1648	undef $MAP_PREFETCHER;	2173	undef $MAP_PREFETCHER;
1649	};	2174	};
1650	$MAP_PREFETCHER->prio (6);	2175	$MAP_PREFETCHER->prio (6);
…		…
1653	}	2178	}
1654		2179
1655	sub save {	2180	sub save {
1656	my ($self) = @_;	2181	my ($self) = @_;
1657		2182
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2183	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2184
1660	$self->{last_save} = $cf::RUNTIME;	2185	$self->{last_save} = $cf::RUNTIME;
1661		2186
1662	return unless $self->dirty;	2187	return unless $self->dirty;
1663		2188
…		…
1669	return if $self->{deny_save};	2194	return if $self->{deny_save};
1670		2195
1671	local $self->{last_access} = $self->last_access;#d#	2196	local $self->{last_access} = $self->last_access;#d#
1672		2197
1673	cf::async {	2198	cf::async {
		2199	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2200	$_->contr->save for $self->players;
1675	};	2201	};
1676		2202
1677	if ($uniq) {	2203	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2204	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1686	my ($self) = @_;	2212	my ($self) = @_;
1687		2213
1688	# save first because save cedes	2214	# save first because save cedes
1689	$self->save;	2215	$self->save;
1690		2216
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2218
1693	return if $self->players;	2219	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2220	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};	2221	return if $self->{deny_save};
1696		2222
		2223	$self->in_memory (cf::MAP_SWAPPED);
		2224
		2225	$self->deactivate;
		2226	$_->clear_links_to ($self) for values %cf::MAP;
1697	$self->clear;	2227	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2228	}
1700		2229
1701	sub reset_at {	2230	sub reset_at {
1702	my ($self) = @_;	2231	my ($self) = @_;
1703		2232
1704	# TODO: safety, remove and allow resettable per-player maps	2233	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2234	return 1e99 if $self->{deny_reset};
1707		2235
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2236	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2237	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2238
…		…
1721	my ($self) = @_;	2249	my ($self) = @_;
1722		2250
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2251	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2252
1725	return if $self->players;	2253	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2254
1728	warn "resetting map ", $self->path;#d#	2255	warn "resetting map ", $self->path;
1729		2256
1730	$self->in_memory (cf::MAP_SWAPPED);	2257	$self->in_memory (cf::MAP_SWAPPED);
1731		2258
1732	# need to save uniques path	2259	# need to save uniques path
1733	unless ($self->{deny_save}) {	2260	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2264	if $uniq;
1738	}	2265	}
1739		2266
1740	delete $cf::MAP{$self->path};	2267	delete $cf::MAP{$self->path};
1741		2268
		2269	$self->deactivate;
		2270	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2271	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2272
1746	$self->unlink_save;	2273	$self->unlink_save;
1747	$self->destroy;	2274	$self->destroy;
1748	}	2275	}
1749		2276
1750	my $nuke_counter = "aaaa";	2277	my $nuke_counter = "aaaa";
1751		2278
1752	sub nuke {	2279	sub nuke {
1753	my ($self) = @_;	2280	my ($self) = @_;
1754		2281
		2282	{
		2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2284
1755	delete $cf::MAP{$self->path};	2285	delete $cf::MAP{$self->path};
1756		2286
1757	$self->unlink_save;	2287	$self->unlink_save;
1758		2288
1759	bless $self, "cf::map";	2289	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2290	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2291	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2292	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2293	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2294
1765	$cf::MAP{$self->path} = $self;	2295	$cf::MAP{$self->path} = $self;
		2296	}
1766		2297
1767	$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	]
1768	}	2335	}
1769		2336
1770	=item cf::map::unique_maps	2337	=item cf::map::unique_maps
1771		2338
1772	Returns an arrayref of paths of all shared maps that have	2339	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2340	instantiated unique items. May block.
1774		2341
1775	=cut	2342	=cut
1776		2343
1777	sub unique_maps() {	2344	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2345	[
1779	or return;	2346	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2347	utf8::decode $_;
1785	next if /\.pst$/;	2348	/\.map$/
1786	next unless /^$PATH_SEP/o;	2349	? normalise $_
1787		2350	: ()
1788	push @paths, cf::map::normalise $_;	2351	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2352	]
1790
1791	\@paths
1792	}	2353	}
1793		2354
1794	package cf;	2355	package cf;
1795		2356
1796	=back	2357	=back
…		…
1814	map { $_, inv_recursive_ $_->inv } @_	2375	map { $_, inv_recursive_ $_->inv } @_
1815	}	2376	}
1816		2377
1817	sub inv_recursive {	2378	sub inv_recursive {
1818	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	}
1819	}	2408	}
1820		2409
1821	package cf;	2410	package cf;
1822		2411
1823	=back	2412	=back
…		…
1842		2431
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2432	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2433
1845	if ($self->{record_replies}) {	2434	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2435	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2436
1847	} 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 {
1848	$msg = $npc->name . " says: $msg" if $npc;	2445	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2446	$self->message ($msg, $flags);
		2447	}
1850	}	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 (@_);
1851	}	2459	}
1852		2460
1853	=item $player_object->may ("access")	2461	=item $player_object->may ("access")
1854		2462
1855	Returns wether the given player is authorized to access resource "access"	2463	Returns wether the given player is authorized to access resource "access"
…		…
1902	$self->deactivate_recursive;	2510	$self->deactivate_recursive;
1903		2511
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2512	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2513
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2514	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map;	2515	if $self->map && $self->map->{path} ne "{link}";
1908		2516
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2517	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1910	}	2518	}
1911		2519
1912	sub cf::object::player::leave_link {	2520	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2521	my ($self, $map, $x, $y) = @_;
		2522
		2523	return unless $self->contr->active;
1914		2524
1915	my $link_pos = delete $self->{_link_pos};	2525	my $link_pos = delete $self->{_link_pos};
1916		2526
1917	unless ($map) {	2527	unless ($map) {
1918	# restore original map position	2528	# restore original map position
…		…
1932	# use -1 or undef as default coordinates, not 0, 0	2542	# use -1 or undef as default coordinates, not 0, 0
1933	($x, $y) = ($map->enter_x, $map->enter_y)	2543	($x, $y) = ($map->enter_x, $map->enter_y)
1934	if $x <=0 && $y <= 0;	2544	if $x <=0 && $y <= 0;
1935		2545
1936	$map->load;	2546	$map->load;
1937	$map->load_diag;	2547	$map->load_neighbours;
1938		2548
1939	return unless $self->contr->active;	2549	return unless $self->contr->active;
1940	$self->activate_recursive;	2550	$self->activate_recursive;
1941		2551
1942	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2552	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943	$self->enter_map ($map, $x, $y);	2553	$self->enter_map ($map, $x, $y);
1944	}	2554	}
1945		2555
1946	cf::player->attach (	2556	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1947	on_logout => sub {
1948	my ($pl) = @_;
1949		2557
1950	# abort map switching before logout	2558	Moves the player to the given map-path and coordinates by first freezing
1951	if ($pl->ob->{_link_pos}) {	2559	her, loading and preparing them map, calling the provided $check callback
1952	cf::sync_job {	2560	that has to return the map if sucecssful, and then unfreezes the player on
1953	$pl->ob->leave_link	2561	the new (success) or old (failed) map position. In either case, $done will
1954	};	2562	be called at the end of this process.
1955	}
1956	},
1957	on_login => sub {
1958	my ($pl) = @_;
1959		2563
1960	# try to abort aborted map switching on player login :)
1961	# should happen only on crashes
1962	if ($pl->ob->{_link_pos}) {
1963	$pl->ob->enter_link;
1964	(async {
1965	$pl->ob->reply (undef,
1966	"There was an internal problem at your last logout, "
1967	. "the server will try to bring you to your intended destination in a second.",
1968	cf::NDI_RED);
1969	# we need this sleep as the login has a concurrent enter_exit running
1970	# and this sleep increases chances of the player not ending up in scorn
1971	Coro::Timer::sleep 1;
1972	$pl->ob->leave_link;
1973	})->prio (2);
1974	}
1975	},
1976	);
1977
1978	=item $player_object->goto ($path, $x, $y)
1979
1980	=cut	2564	=cut
		2565
		2566	our $GOTOGEN;
1981		2567
1982	sub cf::object::player::goto {	2568	sub cf::object::player::goto {
1983	my ($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;
1984		2573
1985	$self->enter_link;	2574	$self->enter_link;
1986		2575
1987	(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
1988	my $map = eval {	2598	my $map = eval {
1989	my $map = cf::map::find $path;	2599	my $map = defined $path ? cf::map::find $path : undef;
		2600
		2601	if ($map) {
1990	$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
1991	$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 $@;
1992	} or	2614	}
1993	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1994		2615
		2616	if ($gen == $self->{_goto_generation}) {
		2617	delete $self->{_goto_generation};
1995	$self->leave_link ($map, $x, $y);	2618	$self->leave_link ($map, $x, $y);
		2619	}
		2620
		2621	$done->() if $done;
1996	})->prio (1);	2622	})->prio (1);
1997	}	2623	}
1998		2624
1999	=item $player_object->enter_exit ($exit_object)	2625	=item $player_object->enter_exit ($exit_object)
2000		2626
…		…
2037	$rmp->{origin_y} = $exit->y;	2663	$rmp->{origin_y} = $exit->y;
2038	}	2664	}
2039		2665
2040	$rmp->{random_seed} ||= $exit->random_seed;	2666	$rmp->{random_seed} ||= $exit->random_seed;
2041		2667
2042	my $data = cf::to_json $rmp;	2668	my $data = cf::encode_json $rmp;
2043	my $md5 = Digest::MD5::md5_hex $data;	2669	my $md5 = Digest::MD5::md5_hex $data;
2044	my $meta = "$RANDOMDIR/$md5.meta";	2670	my $meta = "$RANDOMDIR/$md5.meta";
2045		2671
2046	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2672	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2047	aio_write $fh, 0, (length $data), $data, 0;	2673	aio_write $fh, 0, (length $data), $data, 0;
…		…
2069	my $hp = $exit->stats->hp;	2695	my $hp = $exit->stats->hp;
2070	my $sp = $exit->stats->sp;	2696	my $sp = $exit->stats->sp;
2071		2697
2072	$self->enter_link;	2698	$self->enter_link;
2073		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
2074	(async {	2704	(async {
		2705	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2706
2075	$self->deactivate_recursive; # just to be sure	2707	$self->deactivate_recursive; # just to be sure
2076	unless (eval {	2708	unless (eval {
2077	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($slaying, $hp, $sp);
2078		2710
2079	1;	2711	1;
…		…
2105		2737
2106	utf8::encode $text;	2738	utf8::encode $text;
2107	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2108	}	2740	}
2109		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
2110	=item $client->ext_event ($type, %msg)	2866	=item $client->ext_msg ($type, @msg)
2111		2867
2112	Sends an exti event to the client.	2868	Sends an ext event to the client.
2113		2869
2114	=cut	2870	=cut
2115		2871
2116	sub cf::client::ext_event($$%) {	2872	sub cf::client::ext_msg($$@) {
2117	my ($self, $type, %msg) = @_;	2873	my ($self, $type, @msg) = @_;
2118		2874
		2875	if ($self->extcmd == 2) {
		2876	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2877	} elsif ($self->extcmd == 1) { # TODO: remove
2119	$msg{msgtype} = "event_$type";	2878	push @msg, msgtype => "event_$type";
2120	$self->send_packet ("ext " . cf::to_json \%msg);	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	}
2121	}	2899	}
2122		2900
2123	=item $success = $client->query ($flags, "text", \&cb)	2901	=item $success = $client->query ($flags, "text", \&cb)
2124		2902
2125	Queues a query to the client, calling the given callback with	2903	Queues a query to the client, calling the given callback with
2126	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>,
2127	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>.
2128		2906
2129	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
2130	reliable at some point in the future.	2908	become reliable at some point in the future.
2131		2909
2132	=cut	2910	=cut
2133		2911
2134	sub cf::client::query {	2912	sub cf::client::query {
2135	my ($self, $flags, $text, $cb) = @_;	2913	my ($self, $flags, $text, $cb) = @_;
…		…
2143	utf8::encode $text;	2921	utf8::encode $text;
2144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145		2923
2146	$self->send_packet ($self->{query_queue}[0][0])	2924	$self->send_packet ($self->{query_queue}[0][0])
2147	if @{ $self->{query_queue} } == 1;	2925	if @{ $self->{query_queue} } == 1;
		2926
		2927	1
2148	}	2928	}
2149		2929
2150	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	},
2151	on_reply => sub {	2936	on_reply => sub {
2152	my ($ns, $msg) = @_;	2937	my ($ns, $msg) = @_;
2153		2938
2154	# this weird shuffling is so that direct followup queries	2939	# this weird shuffling is so that direct followup queries
2155	# get handled first	2940	# get handled first
…		…
2167	} else {	2952	} else {
2168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2953	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169	}	2954	}
2170	}	2955	}
2171	},	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	},
2172	);	2983	);
2173		2984
2174	=item $client->async (\&cb)	2985	=item $client->async (\&cb)
2175		2986
2176	Create a new coroutine, running the specified callback. The coroutine will	2987	Create a new coroutine, running the specified callback. The coroutine will
…		…
2217	our $safe = new Safe "safe";	3028	our $safe = new Safe "safe";
2218	our $safe_hole = new Safe::Hole;	3029	our $safe_hole = new Safe::Hole;
2219		3030
2220	$SIG{FPE} = 'IGNORE';	3031	$SIG{FPE} = 'IGNORE';
2221		3032
2222	$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	));
2223		3038
2224	# here we export the classes and methods available to script code	3039	# here we export the classes and methods available to script code
2225		3040
2226	=pod	3041	=pod
2227		3042
2228	The following functions and methods are available within a safe environment:	3043	The following functions and methods are available within a safe environment:
2229		3044
2230	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
2231	cf::object::player player	3049	cf::object::player
2232	cf::player peaceful	3050	player
2233	cf::map trigger	3051
		3052	cf::player
		3053	peaceful
		3054
		3055	cf::map
		3056	trigger
2234		3057
2235	=cut	3058	=cut
2236		3059
2237	for (	3060	for (
2238	["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)],
2239	["cf::object::player" => qw(player)],	3064	["cf::object::player" => qw(player)],
2240	["cf::player" => qw(peaceful)],	3065	["cf::player" => qw(peaceful)],
2241	["cf::map" => qw(trigger)],	3066	["cf::map" => qw(trigger)],
2242	) {	3067	) {
2243	no strict 'refs';	3068	no strict 'refs';
…		…
2314	=back	3139	=back
2315		3140
2316	=cut	3141	=cut
2317		3142
2318	#############################################################################	3143	#############################################################################
2319
2320	=head2 EXTENSION DATABASE SUPPORT
2321
2322	Crossfire maintains a very simple database for extension use. It can
2323	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2324	convert to/from binary).
2325
2326	The parameter C<$family> should best start with the name of the extension
2327	using it, it should be unique.
2328
2329	=over 4
2330
2331	=item $value = cf::db_get $family => $key
2332
2333	Returns a single value from the database.
2334
2335	=item cf::db_put $family => $key => $value
2336
2337	Stores the given C<$value> in the family.
2338
2339	=cut
2340
2341	our $DB;
2342
2343	sub db_init {
2344	unless ($DB) {
2345	$DB = BDB::db_create $DB_ENV;
2346
2347	cf::sync_job {
2348	eval {
2349	$DB->set_flags (BDB::CHKSUM);
2350
2351	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2352	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2353	cf::cleanup "db_open(db): $!" if $!;
2354	};
2355	cf::cleanup "db_open(db): $@" if $@;
2356	};
2357	}
2358	}
2359
2360	sub db_get($$) {
2361	my $key = "$_[0]/$_[1]";
2362
2363	cf::sync_job {
2364	BDB::db_get $DB, undef, $key, my $data;
2365
2366	$! ? ()
2367	: $data
2368	}
2369	}
2370
2371	sub db_put($$$) {
2372	BDB::dbreq_pri 4;
2373	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2374	}
2375
2376	=item cf::cache $id => [$paths...], $processversion => $process
2377
2378	Generic caching function that returns the value of the resource $id,
2379	caching and regenerating as required.
2380
2381	This function can block.
2382
2383	=cut
2384
2385	sub cache {
2386	my ($id, $src, $processversion, $process) = @_;
2387
2388	my $meta =
2389	join "\x00",
2390	$processversion,
2391	map {
2392	aio_stat $_
2393	and Carp::croak "$_: $!";
2394
2395	($_, (stat _)[7,9])
2396	} @$src;
2397
2398	my $dbmeta = db_get cache => "$id/meta";
2399	if ($dbmeta ne $meta) {
2400	# changed, we may need to process
2401
2402	my @data;
2403	my $md5;
2404
2405	for (0 .. $#$src) {
2406	0 <= aio_load $src->[$_], $data[$_]
2407	or Carp::croak "$src->[$_]: $!";
2408	}
2409
2410	# if processing is expensive, check
2411	# checksum first
2412	if (1) {
2413	$md5 =
2414	join "\x00",
2415	$processversion,
2416	map {
2417	Coro::cede;
2418	($src->[$_], Digest::MD5::md5_hex $data[$_])
2419	} 0.. $#$src;
2420
2421
2422	my $dbmd5 = db_get cache => "$id/md5";
2423	if ($dbmd5 eq $md5) {
2424	db_put cache => "$id/meta", $meta;
2425
2426	return db_get cache => "$id/data";
2427	}
2428	}
2429
2430	my $t1 = Time::HiRes::time;
2431	my $data = $process->(\@data);
2432	my $t2 = Time::HiRes::time;
2433
2434	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2435
2436	db_put cache => "$id/data", $data;
2437	db_put cache => "$id/md5" , $md5;
2438	db_put cache => "$id/meta", $meta;
2439
2440	return $data;
2441	}
2442
2443	db_get cache => "$id/data"
2444	}
2445
2446	=item fork_call { }, $args
2447
2448	Executes the given code block with the given arguments in a seperate
2449	process, returning the results. Everything must be serialisable with
2450	Coro::Storable. May, of course, block. Note that the executed sub may
2451	never block itself or use any form of Event handling.
2452
2453	=cut
2454
2455	sub fork_call(&@) {
2456	my ($cb, @args) = @_;
2457
2458	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2459	# or die "socketpair: $!";
2460	pipe my $fh1, my $fh2
2461	or die "pipe: $!";
2462
2463	if (my $pid = fork) {
2464	close $fh2;
2465
2466	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2467	$res = Coro::Storable::thaw $res;
2468
2469	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2470
2471	die $$res unless "ARRAY" eq ref $res;
2472
2473	return wantarray ? @$res : $res->[-1];
2474	} else {
2475	reset_signals;
2476	local $SIG{__WARN__};
2477	local $SIG{__DIE__};
2478	eval {
2479	close $fh1;
2480
2481	my @res = eval { $cb->(@args) };
2482	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2483	};
2484
2485	warn $@ if $@;
2486	_exit 0;
2487	}
2488	}
2489
2490
2491
2492	#############################################################################
2493	# the server's init and main functions	3144	# the server's init and main functions
2494		3145
2495	sub load_facedata($) {	3146	sub load_facedata($) {
2496	my ($path) = @_;	3147	my ($path) = @_;
		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;
2497		3154
2498	warn "loading facedata from $path\n";	3155	warn "loading facedata from $path\n";
2499		3156
2500	my $facedata;	3157	my $facedata;
2501	0 < aio_load $path, $facedata	3158	0 < aio_load $path, $facedata
…		…
2504	$facedata = Coro::Storable::thaw $facedata;	3161	$facedata = Coro::Storable::thaw $facedata;
2505		3162
2506	$facedata->{version} == 2	3163	$facedata->{version} == 2
2507	or cf::cleanup "$path: version mismatch, cannot proceed.";	3164	or cf::cleanup "$path: version mismatch, cannot proceed.";
2508		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
2509	{	3173	{
2510	my $faces = $facedata->{faceinfo};	3174	my $faces = $facedata->{faceinfo};
2511		3175
2512	while (my ($face, $info) = each %$faces) {	3176	while (my ($face, $info) = each %$faces) {
2513	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3177	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3178
2514	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3179	cf::face::set_visibility $idx, $info->{visibility};
		3180	cf::face::set_magicmap $idx, $info->{magicmap};
2515	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3181	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2516	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3182	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2517	Coro::cede;	3183
		3184	cf::cede_to_tick;
2518	}	3185	}
2519		3186
2520	while (my ($face, $info) = each %$faces) {	3187	while (my ($face, $info) = each %$faces) {
2521	next unless $info->{smooth};	3188	next unless $info->{smooth};
		3189
2522	my $idx = cf::face::find $face	3190	my $idx = cf::face::find $face
2523	or next;	3191	or next;
		3192
2524	if (my $smooth = cf::face::find $info->{smooth}) {	3193	if (my $smooth = cf::face::find $info->{smooth}) {
		3194	cf::face::set_smooth $idx, $smooth;
2525	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3195	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526	} else {	3196	} else {
2527	warn "smooth face '$info->{smooth}' not found for face '$face'";	3197	warn "smooth face '$info->{smooth}' not found for face '$face'";
2528	}	3198	}
2529	Coro::cede;	3199
		3200	cf::cede_to_tick;
2530	}	3201	}
2531	}	3202	}
2532		3203
2533	{	3204	{
2534	my $anims = $facedata->{animinfo};	3205	my $anims = $facedata->{animinfo};
2535		3206
2536	while (my ($anim, $info) = each %$anims) {	3207	while (my ($anim, $info) = each %$anims) {
2537	cf::anim::set $anim, $info->{frames}, $info->{facings};	3208	cf::anim::set $anim, $info->{frames}, $info->{facings};
2538	Coro::cede;	3209	cf::cede_to_tick;
2539	}	3210	}
2540		3211
2541	cf::anim::invalidate_all; # d'oh	3212	cf::anim::invalidate_all; # d'oh
2542	}	3213	}
2543		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);
		3249
2544	1	3250	1
2545	}	3251	}
2546		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, $v);
		3278	}
		3279	};
		3280
2547	sub reload_regions {	3281	sub reload_regions {
		3282	# HACK to clear player env face cache, we need some signal framework
		3283	# for this (global event?)
		3284	%ext::player_env::MUSIC_FACE_CACHE = ();
		3285
2548	load_resource_file "$MAPDIR/regions"	3286	load_resource_file "$MAPDIR/regions"
2549	or die "unable to load regions file\n";	3287	or die "unable to load regions file\n";
		3288
		3289	for (cf::region::list) {
		3290	$_->{match} = qr/$_->{match}/
		3291	if exists $_->{match};
		3292	}
2550	}	3293	}
2551		3294
2552	sub reload_facedata {	3295	sub reload_facedata {
2553	load_facedata "$DATADIR/facedata"	3296	load_facedata "$DATADIR/facedata"
2554	or die "unable to load facedata\n";	3297	or die "unable to load facedata\n";
2555	}	3298	}
2556		3299
2557	sub reload_archetypes {	3300	sub reload_archetypes {
2558	load_resource_file "$DATADIR/archetypes"	3301	load_resource_file "$DATADIR/archetypes"
2559	or die "unable to load archetypes\n";	3302	or die "unable to load archetypes\n";
		3303	#d# NEED to laod twice to resolve forward references
		3304	# this really needs to be done in an extra post-pass
		3305	# (which needs to be synchronous, so solve it differently)
		3306	load_resource_file "$DATADIR/archetypes"
		3307	or die "unable to load archetypes\n";
2560	}	3308	}
2561		3309
2562	sub reload_treasures {	3310	sub reload_treasures {
2563	load_resource_file "$DATADIR/treasures"	3311	load_resource_file "$DATADIR/treasures"
2564	or die "unable to load treasurelists\n";	3312	or die "unable to load treasurelists\n";
…		…
2567	sub reload_resources {	3315	sub reload_resources {
2568	warn "reloading resource files...\n";	3316	warn "reloading resource files...\n";
2569		3317
2570	reload_regions;	3318	reload_regions;
2571	reload_facedata;	3319	reload_facedata;
		3320	#reload_archetypes;#d#
2572	reload_archetypes;	3321	reload_archetypes;
2573	reload_treasures;	3322	reload_treasures;
2574		3323
2575	warn "finished reloading resource files\n";	3324	warn "finished reloading resource files\n";
2576	}	3325	}
2577		3326
2578	sub init {	3327	sub init {
2579	reload_resources;	3328	reload_resources;
2580	}	3329	}
2581		3330
2582	sub cfg_load {	3331	sub reload_config {
2583	open my $fh, "<:utf8", "$CONFDIR/config"	3332	open my $fh, "<:utf8", "$CONFDIR/config"
2584	or return;	3333	or return;
2585		3334
2586	local $/;	3335	local $/;
2587	*CFG = YAML::Syck::Load <$fh>;	3336	*CFG = YAML::Load <$fh>;
2588		3337
2589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3338	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2590		3339
2591	$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};
2592	$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};
…		…
2603	sub main {	3352	sub main {
2604	# we must not ever block the main coroutine	3353	# we must not ever block the main coroutine
2605	local $Coro::idle = sub {	3354	local $Coro::idle = sub {
2606	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#
2607	(async {	3356	(async {
2608	Event::one_event;	3357	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3358	EV::loop EV::LOOP_ONESHOT;
2609	})->prio (Coro::PRIO_MAX);	3359	})->prio (Coro::PRIO_MAX);
2610	};	3360	};
2611		3361
2612	cfg_load;	3362	reload_config;
2613	db_init;	3363	db_init;
2614	load_extensions;	3364	load_extensions;
2615		3365
2616	$TICK_WATCHER->start;	3366	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3367	evthread_start IO::AIO::poll_fileno;
2617	Event::loop;	3368	EV::loop;
2618	}	3369	}
2619		3370
2620	#############################################################################	3371	#############################################################################
2621	# initialisation and cleanup	3372	# initialisation and cleanup
2622		3373
2623	# install some emergency cleanup handlers	3374	# install some emergency cleanup handlers
2624	BEGIN {	3375	BEGIN {
		3376	our %SIGWATCHER = ();
2625	for my $signal (qw(INT HUP TERM)) {	3377	for my $signal (qw(INT HUP TERM)) {
2626	Event->signal (	3378	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2627	reentrant => 0,
2628	data => WF_AUTOCANCEL,
2629	signal => $signal,
2630	prio => 0,
2631	cb => sub {
2632	cf::cleanup "SIG$signal";	3379	cf::cleanup "SIG$signal";
2633	},
2634	);	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
2635	}	3419	1
2636	}	3420	}
2637		3421
2638	sub emergency_save() {	3422	sub emergency_save() {
2639	my $freeze_guard = cf::freeze_mainloop;	3423	my $freeze_guard = cf::freeze_mainloop;
2640		3424
…		…
2646	# and maps saved/destroyed asynchronously.	3430	# and maps saved/destroyed asynchronously.
2647	warn "begin emergency player save\n";	3431	warn "begin emergency player save\n";
2648	for my $login (keys %cf::PLAYER) {	3432	for my $login (keys %cf::PLAYER) {
2649	my $pl = $cf::PLAYER{$login} or next;	3433	my $pl = $cf::PLAYER{$login} or next;
2650	$pl->valid or next;	3434	$pl->valid or next;
		3435	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2651	$pl->save;	3436	$pl->save;
2652	}	3437	}
2653	warn "end emergency player save\n";	3438	warn "end emergency player save\n";
2654		3439
2655	warn "begin emergency map save\n";	3440	warn "begin emergency map save\n";
…		…
2694	warn "syncing database to disk";	3479	warn "syncing database to disk";
2695	BDB::db_env_txn_checkpoint $DB_ENV;	3480	BDB::db_env_txn_checkpoint $DB_ENV;
2696		3481
2697	# 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
2698		3483
2699	warn "cancelling all WF_AUTOCANCEL watchers";
2700	for (Event::all_watchers) {
2701	$_->cancel if $_->data & WF_AUTOCANCEL;
2702	}
2703
2704	warn "flushing outstanding aio requests";	3484	warn "flushing outstanding aio requests";
2705	for (;;) {	3485	for (;;) {
2706	BDB::flush;	3486	BDB::flush;
2707	IO::AIO::flush;	3487	IO::AIO::flush;
2708	Coro::cede;	3488	Coro::cede_notself;
2709	last unless IO::AIO::nreqs || BDB::nreqs;	3489	last unless IO::AIO::nreqs || BDB::nreqs;
2710	warn "iterate...";	3490	warn "iterate...";
2711	}	3491	}
2712		3492
2713	++$RELOAD;	3493	++$RELOAD;
…		…
2717	%EXT_CORO = ();	3497	%EXT_CORO = ();
2718		3498
2719	warn "removing commands";	3499	warn "removing commands";
2720	%COMMAND = ();	3500	%COMMAND = ();
2721		3501
2722	warn "removing ext commands";	3502	warn "removing ext/exti commands";
2723	%EXTCMD = ();	3503	%EXTCMD = ();
		3504	%EXTICMD = ();
2724		3505
2725	warn "unloading/nuking all extensions";	3506	warn "unloading/nuking all extensions";
2726	for my $pkg (@EXTS) {	3507	for my $pkg (@EXTS) {
2727	warn "... unloading $pkg";	3508	warn "... unloading $pkg";
2728		3509
…		…
2771	warn "reloading cf.pm";	3552	warn "reloading cf.pm";
2772	require cf;	3553	require cf;
2773	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3554	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2774		3555
2775	warn "loading config and database again";	3556	warn "loading config and database again";
2776	cf::cfg_load;	3557	cf::reload_config;
2777		3558
2778	warn "loading extensions";	3559	warn "loading extensions";
2779	cf::load_extensions;	3560	cf::load_extensions;
2780		3561
2781	warn "reattaching attachments to objects/players";	3562	warn "reattaching attachments to objects/players";
…		…
2788	warn "leaving sync_job";	3569	warn "leaving sync_job";
2789		3570
2790	1	3571	1
2791	} or do {	3572	} or do {
2792	warn $@;	3573	warn $@;
2793	warn "error while reloading, exiting.";	3574	cf::cleanup "error while reloading, exiting.";
2794	exit 1;
2795	};	3575	};
2796		3576
2797	warn "reloaded";	3577	warn "reloaded";
2798	};	3578	};
2799		3579
…		…
2801		3581
2802	sub reload_perl() {	3582	sub reload_perl() {
2803	# doing reload synchronously and two reloads happen back-to-back,	3583	# doing reload synchronously and two reloads happen back-to-back,
2804	# coro crashes during coro_state_free->destroy here.	3584	# coro crashes during coro_state_free->destroy here.
2805		3585
2806	$RELOAD_WATCHER ||= Event->timer (	3586	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2807	reentrant => 0,
2808	after => 0,
2809	data => WF_AUTOCANCEL,
2810	cb => sub {
2811	do_reload_perl;	3587	do_reload_perl;
2812	undef $RELOAD_WATCHER;	3588	undef $RELOAD_WATCHER;
2813	},
2814	);	3589	};
2815	}	3590	}
2816		3591
2817	register_command "reload" => sub {	3592	register_command "reload" => sub {
2818	my ($who, $arg) = @_;	3593	my ($who, $arg) = @_;
2819		3594
2820	if ($who->flag (FLAG_WIZ)) {	3595	if ($who->flag (FLAG_WIZ)) {
2821	$who->message ("reloading server.");	3596	$who->message ("reloading server.");
		3597	async {
		3598	$Coro::current->{desc} = "perl_reload";
2822	async { reload_perl };	3599	reload_perl;
		3600	};
2823	}	3601	}
2824	};	3602	};
2825		3603
2826	unshift @INC, $LIBDIR;	3604	unshift @INC, $LIBDIR;
2827		3605
…		…
2829		3607
2830	our @WAIT_FOR_TICK;	3608	our @WAIT_FOR_TICK;
2831	our @WAIT_FOR_TICK_BEGIN;	3609	our @WAIT_FOR_TICK_BEGIN;
2832		3610
2833	sub wait_for_tick {	3611	sub wait_for_tick {
2834	return unless $TICK_WATCHER->is_active;	3612	return if tick_inhibit;
2835	return if $Coro::current == $Coro::main;	3613	return if $Coro::current == $Coro::main;
2836		3614
2837	my $signal = new Coro::Signal;	3615	my $signal = new Coro::Signal;
2838	push @WAIT_FOR_TICK, $signal;	3616	push @WAIT_FOR_TICK, $signal;
2839	$signal->wait;	3617	$signal->wait;
2840	}	3618	}
2841		3619
2842	sub wait_for_tick_begin {	3620	sub wait_for_tick_begin {
2843	return unless $TICK_WATCHER->is_active;	3621	return if tick_inhibit;
2844	return if $Coro::current == $Coro::main;	3622	return if $Coro::current == $Coro::main;
2845		3623
2846	my $signal = new Coro::Signal;	3624	my $signal = new Coro::Signal;
2847	push @WAIT_FOR_TICK_BEGIN, $signal;	3625	push @WAIT_FOR_TICK_BEGIN, $signal;
2848	$signal->wait;	3626	$signal->wait;
2849	}	3627	}
2850		3628
2851	$TICK_WATCHER = Event->timer (	3629	sub tick {
2852	reentrant => 0,
2853	parked => 1,
2854	prio => 0,
2855	at => $NEXT_TICK || $TICK,
2856	data => WF_AUTOCANCEL,
2857	cb => sub {
2858	if ($Coro::current != $Coro::main) {	3630	if ($Coro::current != $Coro::main) {
2859	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3631	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2860	unless ++$bug_warning > 10;	3632	unless ++$bug_warning > 10;
2861	return;	3633	return;
2862	}	3634	}
2863		3635
2864	$NOW = $tick_start = Event::time;
2865
2866	cf::server_tick; # one server iteration	3636	cf::server_tick; # one server iteration
2867		3637
2868	$RUNTIME += $TICK;
2869	$NEXT_TICK += $TICK;
2870
2871	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2872	$NEXT_RUNTIME_WRITE = $NOW + 10;	3639	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2873	Coro::async_pool {	3640	Coro::async_pool {
		3641	$Coro::current->{desc} = "runtime saver";
2874	write_runtime	3642	write_runtime
2875	or warn "ERROR: unable to write runtime file: $!";	3643	or warn "ERROR: unable to write runtime file: $!";
2876	};
2877	}	3644	};
		3645	}
2878		3646
2879	# my $AFTER = Event::time;
2880	# warn $AFTER - $NOW;#d#
2881
2882	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3647	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2883	$sig->send;	3648	$sig->send;
2884	}	3649	}
2885	while (my $sig = shift @WAIT_FOR_TICK) {	3650	while (my $sig = shift @WAIT_FOR_TICK) {
2886	$sig->send;	3651	$sig->send;
2887	}	3652	}
2888		3653
2889	$NOW = Event::time;	3654	$LOAD = ($NOW - $TICK_START) / $TICK;
2890
2891	# if we are delayed by four ticks or more, skip them all
2892	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2893
2894	$TICK_WATCHER->at ($NEXT_TICK);
2895	$TICK_WATCHER->start;
2896
2897	$LOAD = ($NOW - $tick_start) / $TICK;
2898	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3655	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2899		3656
2900	_post_tick;	3657	if (0) {
2901		3658	if ($NEXT_TICK) {
2902		3659	my $jitter = $TICK_START - $NEXT_TICK;
		3660	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3661	warn "jitter $JITTER\n";#d#
		3662	}
2903	},	3663	}
2904	);	3664	}
2905		3665
2906	{	3666	{
2907	BDB::max_poll_time $TICK * 0.1;	3667	# configure BDB
2908	$BDB_POLL_WATCHER = Event->io (	3668
2909	reentrant => 0,
2910	fd => BDB::poll_fileno,
2911	poll => 'r',
2912	prio => 0,
2913	data => WF_AUTOCANCEL,
2914	cb => \&BDB::poll_cb,
2915	);
2916	BDB::min_parallel 8;	3669	BDB::min_parallel 8;
2917		3670	BDB::max_poll_reqs $TICK * 0.1;
2918	BDB::set_sync_prepare {	3671	$Coro::BDB::WATCHER->priority (1);
2919	my $status;
2920	my $current = $Coro::current;
2921	(
2922	sub {
2923	$status = $!;
2924	$current->ready; undef $current;
2925	},
2926	sub {
2927	Coro::schedule while defined $current;
2928	$! = $status;
2929	},
2930	)
2931	};
2932		3672
2933	unless ($DB_ENV) {	3673	unless ($DB_ENV) {
2934	$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);
2935		3679
2936	cf::sync_job {	3680	cf::sync_job {
2937	eval {	3681	eval {
2938	BDB::db_env_open	3682	BDB::db_env_open
2939	$DB_ENV,	3683	$DB_ENV,
…		…
2941	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3685	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2942	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3686	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2943	0666;	3687	0666;
2944		3688
2945	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3689	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2946
2947	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2948	$DB_ENV->set_lk_detect;
2949	};	3690	};
2950		3691
2951	cf::cleanup "db_env_open(db): $@" if $@;	3692	cf::cleanup "db_env_open(db): $@" if $@;
2952	};	3693	};
2953	}	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	};
2954	}	3705	}
2955		3706
2956	{	3707	{
		3708	# configure IO::AIO
		3709
2957	IO::AIO::min_parallel 8;	3710	IO::AIO::min_parallel 8;
2958
2959	undef $Coro::AIO::WATCHER;
2960	IO::AIO::max_poll_time $TICK * 0.1;	3711	IO::AIO::max_poll_time $TICK * 0.1;
2961	$AIO_POLL_WATCHER = Event->io (	3712	$Coro::AIO::WATCHER->priority (1);
2962	reentrant => 0,
2963	data => WF_AUTOCANCEL,
2964	fd => IO::AIO::poll_fileno,
2965	poll => 'r',
2966	prio => 6,
2967	cb => \&IO::AIO::poll_cb,
2968	);
2969	}	3713	}
2970		3714
2971	my $_log_backtrace;	3715	my $_log_backtrace;
2972		3716
2973	sub _log_backtrace {	3717	sub _log_backtrace {
…		…
2977		3721
2978	# limit the # of concurrent backtraces	3722	# limit the # of concurrent backtraces
2979	if ($_log_backtrace < 2) {	3723	if ($_log_backtrace < 2) {
2980	++$_log_backtrace;	3724	++$_log_backtrace;
2981	async {	3725	async {
		3726	$Coro::current->{desc} = "abt $msg";
		3727
2982	my @bt = fork_call {	3728	my @bt = fork_call {
2983	@addr = map { sprintf "%x", $_ } @addr;	3729	@addr = map { sprintf "%x", $_ } @addr;
2984	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3730	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2985	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3731	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2986	or die "addr2line: $!";	3732	or die "addr2line: $!";

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