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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.309 by elmex, Mon Jul 16 15:27:06 2007 UTC vs.
Revision 1.452 by root, Tue Sep 23 00:24:52 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
25	use JSON::XS 1.4 ();	51	use JSON::XS 2.01 ();
26	use BDB ();	52	use BDB ();
27	use Data::Dumper;	53	use Data::Dumper;
28	use Digest::MD5;	54	use Digest::MD5;
29	use Fcntl;	55	use Fcntl;
30	use YAML::Syck ();	56	use YAML ();
31	use IO::AIO 2.32 ();	57	use IO::AIO ();
32	use Time::HiRes;	58	use Time::HiRes;
33	use Compress::LZF;	59	use Compress::LZF;
34	use Digest::MD5 ();	60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
35		63
36	# configure various modules to our taste	64	# configure various modules to our taste
37	#	65	#
38	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41
42	$Event::Eval = 1; # no idea why this is required, but it is
43
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		74
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		76
51	our %COMMAND = ();	77	our %COMMAND = ();
52	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	81	our %EXTCMD = ();
56	our %EXTICMD = ();	82	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
59		85
60	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	87	our @EVENT;
62		88
63	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	90	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
74		104
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	107	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	113	our $DB_ENV;
85		114
86	our %CFG;	115	our %CFG;
87		116
88	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
90		120
91	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
94		124
95	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		127
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
101		132
102	binmode STDOUT;	133	binmode STDOUT;
103	binmode STDERR;	134	binmode STDERR;
104		135
105	# read virtual server time, if available	136	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	138	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
110	}	141	}
111		142
112	mkdir $_	143	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
158		189
159	The raw value load value from the last tick.	190	The raw value load value from the last tick.
160		191
161	=item %cf::CFG	192	=item %cf::CFG
162		193
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	195	from wherever your confdir points to.
165		196
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		198
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	199	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169	returns directly I<after> the tick processing (and consequently, can only wake one process	200	returns directly I<after> the tick processing (and consequently, can only wake one process
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	201	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		202
		203	=item @cf::INVOKE_RESULTS
		204
		205	This array contains the results of the last C<invoke ()> call. When
		206	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		207	that call.
		208
172	=back	209	=back
173		210
174	=cut	211	=cut
175		212
176	BEGIN {	213	BEGIN {
…		…
180	$msg .= "\n"	217	$msg .= "\n"
181	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
182		219
183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
184		221
185	utf8::encode $msg;
186	LOG llevError, $msg;	222	LOG llevError, $msg;
187	};	223	};
188	}	224	}
		225
		226	$Coro::State::DIEHOOK = sub {
		227	return unless $^S eq 0; # "eq", not "=="
		228
		229	if ($Coro::current == $Coro::main) {#d#
		230	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		231	return;#d#
		232	}#d#
		233
		234	# kill coroutine otherwise
		235	warn Carp::longmess $_[0];
		236	Coro::terminate
		237	};
		238
		239	$SIG{__DIE__} = sub { }; #d#?
189		240
190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
200	for my $pkg (qw(	251	for my $pkg (qw(
201	cf::global cf::attachable	252	cf::global cf::attachable
202	cf::object cf::object::player	253	cf::object cf::object::player
203	cf::client cf::player	254	cf::client cf::player
204	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
205	cf::map cf::party cf::region	257	cf::party cf::region
206	)) {	258	)) {
207	no strict 'refs';
208	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
209	}	260	}
210		261
211	$Event::DIED = sub {	262	$EV::DIED = sub {
212	warn "error in event callback: @_";	263	warn "error in event callback: @_";
213	};	264	};
214		265
215	#############################################################################	266	#############################################################################
216		267
…		…
239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	290	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
240	$d	291	$d
241	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
242	}	293	}
243		294
244	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
245		296
246	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
247		298
248	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
249		300
250	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
251		302
252	=cut	303	=cut
253		304
254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		306
256	sub to_json ($) { $json_coder->encode ($_[0]) }	307	sub encode_json($) { $json_coder->encode ($_[0]) }
257	sub from_json ($) { $json_coder->decode ($_[0]) }	308	sub decode_json($) { $json_coder->decode ($_[0]) }
258		309
259	=item cf::lock_wait $string	310	=item cf::lock_wait $string
260		311
261	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
262		313
…		…
265	Wait until the given lock is available and then acquires it and returns	316	Wait until the given lock is available and then acquires it and returns
266	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	317	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
267	for example when the coroutine gets canceled), the lock is automatically	318	for example when the coroutine gets canceled), the lock is automatically
268	returned.	319	returned.
269		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
270	Lock names should begin with a unique identifier (for example, cf::map::find	324	Lock names should begin with a unique identifier (for example, cf::map::find
271	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
272		326
273	=item $locked = cf::lock_active $string	327	=item $locked = cf::lock_active $string
274		328
275	Return true if the lock is currently active, i.e. somebody has locked it.	329	Return true if the lock is currently active, i.e. somebody has locked it.
276		330
277	=cut	331	=cut
278		332
279	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
280		335
281	sub lock_wait($) {	336	sub lock_wait($) {
282	my ($key) = @_;	337	my ($key) = @_;
283		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
		343
284	# wait for lock, if any	344	# wait for lock, if any
285	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
		346	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
286	push @{ $LOCK{$key} }, $Coro::current;	347	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;	348	Coro::schedule;
288	}	349	}
289	}	350	}
290		351
…		…
293		354
294	# wait, to be sure we are not locked	355	# wait, to be sure we are not locked
295	lock_wait $key;	356	lock_wait $key;
296		357
297	$LOCK{$key} = [];	358	$LOCK{$key} = [];
		359	$LOCKER{$key} = $Coro::current;#d#
298		360
299	Coro::guard {	361	Coro::guard {
		362	delete $LOCKER{$key};#d#
300	# wake up all waiters, to be on the safe side	363	# wake up all waiters, to be on the safe side
301	$_->ready for @{ delete $LOCK{$key} };	364	$_->ready for @{ delete $LOCK{$key} };
302	}	365	}
303	}	366	}
304		367
…		…
307		370
308	! ! $LOCK{$key}	371	! ! $LOCK{$key}
309	}	372	}
310		373
311	sub freeze_mainloop {	374	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	375	tick_inhibit_inc;
313		376
314	my $guard = Coro::guard {	377	Coro::guard \&tick_inhibit_dec;
315	$TICK_WATCHER->start;	378	}
		379
		380	=item cf::periodic $interval, $cb
		381
		382	Like EV::periodic, but randomly selects a starting point so that the actions
		383	get spread over timer.
		384
		385	=cut
		386
		387	sub periodic($$) {
		388	my ($interval, $cb) = @_;
		389
		390	my $start = rand List::Util::min 180, $interval;
		391
		392	EV::periodic $start, $interval, 0, $cb
		393	}
		394
		395	=item cf::get_slot $time[, $priority[, $name]]
		396
		397	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		398	This call blocks and returns only when you have at least C<$time> seconds
		399	of cpu time till the next tick. The slot is only valid till the next cede.
		400
		401	The optional C<$name> can be used to identify the job to run. It might be
		402	used for statistical purposes and should identify the same time-class.
		403
		404	Useful for short background jobs.
		405
		406	=cut
		407
		408	our @SLOT_QUEUE;
		409	our $SLOT_QUEUE;
		410
		411	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		412	$SLOT_QUEUE = Coro::async {
		413	$Coro::current->desc ("timeslot manager");
		414
		415	my $signal = new Coro::Signal;
		416
		417	while () {
		418	next_job:
		419	my $avail = cf::till_tick;
		420	if ($avail > 0.01) {
		421	for (0 .. $#SLOT_QUEUE) {
		422	if ($SLOT_QUEUE[$_][0] < $avail) {
		423	my $job = splice @SLOT_QUEUE, $_, 1, ();
		424	$job->[2]->send;
		425	Coro::cede;
		426	goto next_job;
		427	}
		428	}
		429	}
		430
		431	if (@SLOT_QUEUE) {
		432	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		433	push @cf::WAIT_FOR_TICK, $signal;
		434	$signal->wait;
		435	} else {
		436	Coro::schedule;
		437	}
316	};	438	}
317	$TICK_WATCHER->stop;	439	};
318	$guard	440
		441	sub get_slot($;$$) {
		442	return if tick_inhibit || $Coro::current == $Coro::main;
		443
		444	my ($time, $pri, $name) = @_;
		445
		446	$time = $TICK * .6 if $time > $TICK * .6;
		447	my $sig = new Coro::Signal;
		448
		449	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		450	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		451	$SLOT_QUEUE->ready;
		452	$sig->wait;
319	}	453	}
320		454
321	=item cf::async { BLOCK }	455	=item cf::async { BLOCK }
322		456
323	Currently the same as Coro::async_pool, meaning you cannot use	457	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		462
329	BEGIN { *async = \&Coro::async_pool }	463	BEGIN { *async = \&Coro::async_pool }
330		464
331	=item cf::sync_job { BLOCK }	465	=item cf::sync_job { BLOCK }
332		466
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	467	The design of Deliantra requires that the main coroutine ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	468	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	469	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	470	acceptable.
337		471
338	If it must be done, put the blocking parts into C<sync_job>. This will run	472	If it must be done, put the blocking parts into C<sync_job>. This will run
339	the given BLOCK in another coroutine while waiting for the result. The	473	the given BLOCK in another coroutine while waiting for the result. The
…		…
344		478
345	sub sync_job(&) {	479	sub sync_job(&) {
346	my ($job) = @_;	480	my ($job) = @_;
347		481
348	if ($Coro::current == $Coro::main) {	482	if ($Coro::current == $Coro::main) {
349	my $time = Event::time;	483	my $time = EV::time;
350		484
351	# this is the main coro, too bad, we have to block	485	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	486	# till the operation succeeds, freezing the server :/
353		487
354	# TODO: use suspend/resume instead	488	LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	489
356	my $freeze_guard = freeze_mainloop;	490	my $freeze_guard = freeze_mainloop;
357		491
358	my $busy = 1;	492	my $busy = 1;
359	my @res;	493	my @res;
360		494
361	(async {	495	(async {
		496	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	497	@res = eval { $job->() };
363	warn $@ if $@;	498	warn $@ if $@;
364	undef $busy;	499	undef $busy;
365	})->prio (Coro::PRIO_MAX);	500	})->prio (Coro::PRIO_MAX);
366		501
367	while ($busy) {	502	while ($busy) {
368	Coro::cede or Event::one_event;	503	if (Coro::nready) {
		504	Coro::cede_notself;
		505	} else {
		506	EV::loop EV::LOOP_ONESHOT;
369	}	507	}
		508	}
370		509
371	$time = Event::time - $time;	510	my $time = EV::time - $time;
372		511
373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376	$tick_start += $time; # do not account sync jobs to server load	512	$TICK_START += $time; # do not account sync jobs to server load
377		513
378	wantarray ? @res : $res[0]	514	wantarray ? @res : $res[0]
379	} else {	515	} else {
380	# we are in another coroutine, how wonderful, everything just works	516	# we are in another coroutine, how wonderful, everything just works
381		517
…		…
406	=item fork_call { }, $args	542	=item fork_call { }, $args
407		543
408	Executes the given code block with the given arguments in a seperate	544	Executes the given code block with the given arguments in a seperate
409	process, returning the results. Everything must be serialisable with	545	process, returning the results. Everything must be serialisable with
410	Coro::Storable. May, of course, block. Note that the executed sub may	546	Coro::Storable. May, of course, block. Note that the executed sub may
411	never block itself or use any form of Event handling.	547	never block itself or use any form of event handling.
412		548
413	=cut	549	=cut
414
415	sub _store_scalar {
416	open my $fh, ">", \my $buf
417	or die "fork_call: cannot open fh-to-buf in child : $!";
418	Storable::store_fd $_[0], $fh;
419	close $fh;
420
421	$buf
422	}
423		550
424	sub fork_call(&@) {	551	sub fork_call(&@) {
425	my ($cb, @args) = @_;	552	my ($cb, @args) = @_;
426		553
427	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	554	# we seemingly have to make a local copy of the whole thing,
428	# or die "socketpair: $!";	555	# otherwise perl prematurely frees the stuff :/
429	pipe my $fh1, my $fh2	556	# TODO: investigate and fix (likely this will be rather laborious)
430	or die "pipe: $!";
431		557
432	if (my $pid = fork) {	558	my @res = Coro::Util::fork_eval {
433	close $fh2;
434
435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
436	warn "pst<$res>" unless $res =~ /^pst/;
437	$res = Coro::Storable::thaw $res;
438
439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
440
441	Carp::confess $$res unless "ARRAY" eq ref $res;
442
443	return wantarray ? @$res : $res->[-1];
444	} else {
445	reset_signals;	559	reset_signals;
446	local $SIG{__WARN__};	560	&$cb
447	local $SIG{__DIE__};	561	}, @args;
448	# just in case, this hack effectively disables event
449	# in the child. cleaner and slower would be canceling all watchers,
450	# but this works for the time being.
451	local $Coro::idle;
452	$Coro::current->prio (Coro::PRIO_MAX);
453		562
454	eval {	563	wantarray ? @res : $res[-1]
455	close $fh1;	564	}
456		565
457	my @res = eval { $cb->(@args) };	566	=item $coin = coin_from_name $name
458		567
459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	568	=cut
460	close $fh2;
461	};
462		569
463	warn $@ if $@;	570	our %coin_alias = (
464	_exit 0;	571	"silver" => "silvercoin",
465	}	572	"silvercoin" => "silvercoin",
		573	"silvercoins" => "silvercoin",
		574	"gold" => "goldcoin",
		575	"goldcoin" => "goldcoin",
		576	"goldcoins" => "goldcoin",
		577	"platinum" => "platinacoin",
		578	"platinumcoin" => "platinacoin",
		579	"platinumcoins" => "platinacoin",
		580	"platina" => "platinacoin",
		581	"platinacoin" => "platinacoin",
		582	"platinacoins" => "platinacoin",
		583	"royalty" => "royalty",
		584	"royalties" => "royalty",
		585	);
		586
		587	sub coin_from_name($) {
		588	$coin_alias{$_[0]}
		589	? cf::arch::find $coin_alias{$_[0]}
		590	: undef
466	}	591	}
467		592
468	=item $value = cf::db_get $family => $key	593	=item $value = cf::db_get $family => $key
469		594
470	Returns a single value from the environment database.	595	Returns a single value from the environment database.
…		…
472	=item cf::db_put $family => $key => $value	597	=item cf::db_put $family => $key => $value
473		598
474	Stores the given C<$value> in the family. It can currently store binary	599	Stores the given C<$value> in the family. It can currently store binary
475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	600	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
476		601
		602	=item $db = cf::db_table "name"
		603
		604	Create and/or open a new database table. The string must not be "db" and must be unique
		605	within each server.
		606
477	=cut	607	=cut
		608
		609	sub db_table($) {
		610	my ($name) = @_;
		611	my $db = BDB::db_create $DB_ENV;
		612
		613	eval {
		614	$db->set_flags (BDB::CHKSUM);
		615
		616	utf8::encode $name;
		617	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		618	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		619	cf::cleanup "db_open(db): $!" if $!;
		620	};
		621	cf::cleanup "db_open(db): $@" if $@;
		622
		623	$db
		624	}
478		625
479	our $DB;	626	our $DB;
480		627
481	sub db_init {	628	sub db_init {
482	unless ($DB) {
483	$DB = BDB::db_create $DB_ENV;
484
485	cf::sync_job {	629	cf::sync_job {
486	eval {	630	$DB ||= db_table "db";
487	$DB->set_flags (BDB::CHKSUM);
488
489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
491	cf::cleanup "db_open(db): $!" if $!;
492	};
493	cf::cleanup "db_open(db): $@" if $@;
494	};
495	}	631	};
496	}	632	}
497		633
498	sub db_get($$) {	634	sub db_get($$) {
499	my $key = "$_[0]/$_[1]";	635	my $key = "$_[0]/$_[1]";
500		636
…		…
550	if (1) {	686	if (1) {
551	$md5 =	687	$md5 =
552	join "\x00",	688	join "\x00",
553	$processversion,	689	$processversion,
554	map {	690	map {
555	Coro::cede;	691	cf::cede_to_tick;
556	($src->[$_], Digest::MD5::md5_hex $data[$_])	692	($src->[$_], Digest::MD5::md5_hex $data[$_])
557	} 0.. $#$src;	693	} 0.. $#$src;
558		694
559		695
560	my $dbmd5 = db_get cache => "$id/md5";	696	my $dbmd5 = db_get cache => "$id/md5";
…		…
598		734
599	#############################################################################	735	#############################################################################
600		736
601	=head2 ATTACHABLE OBJECTS	737	=head2 ATTACHABLE OBJECTS
602		738
603	Many objects in crossfire are so-called attachable objects. That means you can	739	Many objects in deliantra are so-called attachable objects. That means you can
604	attach callbacks/event handlers (a collection of which is called an "attachment")	740	attach callbacks/event handlers (a collection of which is called an "attachment")
605	to it. All such attachable objects support the following methods.	741	to it. All such attachable objects support the following methods.
606		742
607	In the following description, CLASS can be any of C<global>, C<object>	743	In the following description, CLASS can be any of C<global>, C<object>
608	C<player>, C<client> or C<map> (i.e. the attachable objects in	744	C<player>, C<client> or C<map> (i.e. the attachable objects in
609	Crossfire TRT).	745	Deliantra).
610		746
611	=over 4	747	=over 4
612		748
613	=item $attachable->attach ($attachment, key => $value...)	749	=item $attachable->attach ($attachment, key => $value...)
614		750
…		…
658	=item cf::CLASS::attachment $name, ...	794	=item cf::CLASS::attachment $name, ...
659		795
660	Register an attachment by C<$name> through which attachable objects of the	796	Register an attachment by C<$name> through which attachable objects of the
661	given CLASS can refer to this attachment.	797	given CLASS can refer to this attachment.
662		798
663	Some classes such as crossfire maps and objects can specify attachments	799	Some classes such as deliantra maps and objects can specify attachments
664	that are attached at load/instantiate time, thus the need for a name.	800	that are attached at load/instantiate time, thus the need for a name.
665		801
666	These calls expect any number of the following handler/hook descriptions:	802	These calls expect any number of the following handler/hook descriptions:
667		803
668	=over 4	804	=over 4
…		…
866	";	1002	";
867	die if $@;	1003	die if $@;
868	}	1004	}
869		1005
870	our $override;	1006	our $override;
871	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1007	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
872		1008
873	sub override {	1009	sub override {
874	$override = 1;	1010	$override = 1;
875	@invoke_results = (@_);	1011	@INVOKE_RESULTS = (@_);
876	}	1012	}
877		1013
878	sub do_invoke {	1014	sub do_invoke {
879	my $event = shift;	1015	my $event = shift;
880	my $callbacks = shift;	1016	my $callbacks = shift;
881		1017
882	@invoke_results = ();	1018	@INVOKE_RESULTS = ();
883		1019
884	local $override;	1020	local $override;
885		1021
886	for (@$callbacks) {	1022	for (@$callbacks) {
887	eval { &{$_->[1]} };	1023	eval { &{$_->[1]} };
…		…
896	}	1032	}
897		1033
898	0	1034	0
899	}	1035	}
900		1036
901	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1037	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
902		1038
903	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1039	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
904		1040
905	Generate an object-specific event with the given arguments.	1041	Generate an object-specific event with the given arguments.
906		1042
907	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1043	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
908	removed in future versions), and there is no public API to access override	1044	removed in future versions), and there is no public API to access override
909	results (if you must, access C<@cf::invoke_results> directly).	1045	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
910		1046
911	=back	1047	=back
912		1048
913	=cut	1049	=cut
914		1050
915	#############################################################################	1051	#############################################################################
916	# object support	1052	# object support
		1053
		1054	sub _object_equal($$);
		1055	sub _object_equal($$) {
		1056	my ($a, $b) = @_;
		1057
		1058	return 0 unless (ref $a) eq (ref $b);
		1059
		1060	if ("HASH" eq ref $a) {
		1061	my @ka = keys %$a;
		1062	my @kb = keys %$b;
		1063
		1064	return 0 if @ka != @kb;
		1065
		1066	for (0 .. $#ka) {
		1067	return 0 unless $ka[$_] eq $kb[$_];
		1068	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1069	}
		1070
		1071	} elsif ("ARRAY" eq ref $a) {
		1072
		1073	return 0 if @$a != @$b;
		1074
		1075	for (0 .. $#$a) {
		1076	return 0 unless _object_equal $a->[$_], $b->[$_];
		1077	}
		1078
		1079	} elsif ($a ne $b) {
		1080	return 0;
		1081	}
		1082
		1083	1
		1084	}
		1085
		1086	our $SLOW_MERGES;#d#
		1087	sub _can_merge {
		1088	my ($ob1, $ob2) = @_;
		1089
		1090	++$SLOW_MERGES;#d#
		1091
		1092	# we do the slow way here
		1093	return _object_equal $ob1, $ob2
		1094	}
917		1095
918	sub reattach {	1096	sub reattach {
919	# basically do the same as instantiate, without calling instantiate	1097	# basically do the same as instantiate, without calling instantiate
920	my ($obj) = @_;	1098	my ($obj) = @_;
921		1099
		1100	# no longer needed after getting rid of delete_package?
922	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1101	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
923		1102
924	my $registry = $obj->registry;	1103	my $registry = $obj->registry;
925		1104
926	@$registry = ();	1105	@$registry = ();
927		1106
…		…
942	cf::attachable->attach (	1121	cf::attachable->attach (
943	prio => -1000000,	1122	prio => -1000000,
944	on_instantiate => sub {	1123	on_instantiate => sub {
945	my ($obj, $data) = @_;	1124	my ($obj, $data) = @_;
946		1125
947	$data = from_json $data;	1126	$data = decode_json $data;
948		1127
949	for (@$data) {	1128	for (@$data) {
950	my ($name, $args) = @$_;	1129	my ($name, $args) = @$_;
951		1130
952	$obj->attach ($name, %{$args || {} });	1131	$obj->attach ($name, %{$args || {} });
…		…
968	sub object_freezer_save {	1147	sub object_freezer_save {
969	my ($filename, $rdata, $objs) = @_;	1148	my ($filename, $rdata, $objs) = @_;
970		1149
971	sync_job {	1150	sync_job {
972	if (length $$rdata) {	1151	if (length $$rdata) {
		1152	utf8::decode (my $decname = $filename);
973	warn sprintf "saving %s (%d,%d)\n",	1153	warn sprintf "saving %s (%d,%d)\n",
974	$filename, length $$rdata, scalar @$objs;	1154	$decname, length $$rdata, scalar @$objs;
975		1155
976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
977	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1158	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
979	aio_fsync $fh if $cf::USE_FSYNC;	1159	aio_fsync $fh if $cf::USE_FSYNC;
980	close $fh;	1160	aio_close $fh;
981		1161
982	if (@$objs) {	1162	if (@$objs) {
983	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
984	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
985	my $data = Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
986	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
987	aio_fsync $fh if $cf::USE_FSYNC;	1167	aio_fsync $fh if $cf::USE_FSYNC;
988	close $fh;	1168	aio_close $fh;
989	aio_rename "$filename.pst~", "$filename.pst";	1169	aio_rename "$filename.pst~", "$filename.pst";
990	}	1170	}
991	} else {	1171	} else {
992	aio_unlink "$filename.pst";	1172	aio_unlink "$filename.pst";
993	}	1173	}
…		…
998	}	1178	}
999	} else {	1179	} else {
1000	aio_unlink $filename;	1180	aio_unlink $filename;
1001	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
1002	}	1182	}
1003	}	1183	};
1004	}	1184	}
1005		1185
1006	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
1007	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
1008		1188
…		…
1020	or return;	1200	or return;
1021		1201
1022	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
1023	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
1024	or return;	1204	or return;
		1205
1025	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
1026	}	1208	}
1027		1209
		1210	utf8::decode (my $decname = $filename);
1028	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
1029	$filename, length $data, scalar @{$av || []};	1212	$decname, length $data, scalar @{$av || []};
		1213
1030	return ($data, $av);	1214	($data, $av)
1031	}	1215	}
1032		1216
1033	=head2 COMMAND CALLBACKS	1217	=head2 COMMAND CALLBACKS
1034		1218
1035	=over 4	1219	=over 4
…		…
1108	my ($pl, $buf) = @_;	1292	my ($pl, $buf) = @_;
1109		1293
1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1294	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1111		1295
1112	if (ref $msg) {	1296	if (ref $msg) {
		1297	my ($type, $reply, @payload) =
		1298	"ARRAY" eq ref $msg
		1299	? @$msg
		1300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1301
		1302	my @reply;
		1303
1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1304	if (my $cb = $EXTCMD{$type}) {
1114	if (my %reply = $cb->($pl, $msg)) {	1305	@reply = $cb->($pl, @payload);
1115	$pl->ext_reply ($msg->{msgid}, %reply);
1116	}
1117	}	1306	}
		1307
		1308	$pl->ext_reply ($reply, @reply)
		1309	if $reply;
		1310
1118	} else {	1311	} else {
1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1312	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1120	}	1313	}
1121		1314
1122	cf::override;	1315	cf::override;
…		…
1149		1342
1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1343	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1344	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1152		1345
1153	$ext{source} =	1346	$ext{source} =
1154	"package $pkg; use strict; use utf8;\n"	1347	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1155	. "#line 1 \"$path\"\n{\n"	1348	. "#line 1 \"$path\"\n{\n"
1156	. $source	1349	. $source
1157	. "\n};\n1";	1350	. "\n};\n1";
1158		1351
1159	$todo{$base} = \%ext;	1352	$todo{$base} = \%ext;
…		…
1175	my $msg = $@ ? "$v->{path}: $@\n"	1368	my $msg = $@ ? "$v->{path}: $@\n"
1176	: "$v->{base}: extension inactive.\n";	1369	: "$v->{base}: extension inactive.\n";
1177		1370
1178	if (exists $v->{meta}{mandatory}) {	1371	if (exists $v->{meta}{mandatory}) {
1179	warn $msg;	1372	warn $msg;
1180	warn "mandatory extension failed to load, exiting.\n";	1373	cf::cleanup "mandatory extension failed to load, exiting.";
1181	exit 1;
1182	}	1374	}
1183		1375
1184	warn $msg;	1376	warn $msg;
1185	}	1377	}
1186		1378
…		…
1200		1392
1201	=back	1393	=back
1202		1394
1203	=head2 CORE EXTENSIONS	1395	=head2 CORE EXTENSIONS
1204		1396
1205	Functions and methods that extend core crossfire objects.	1397	Functions and methods that extend core deliantra objects.
1206		1398
1207	=cut	1399	=cut
1208		1400
1209	package cf::player;	1401	package cf::player;
1210		1402
1211	use Coro::AIO;	1403	use Coro::AIO;
1212		1404
1213	=head3 cf::player	1405	=head3 cf::player
1214		1406
1215	=over 4	1407	=over 4
		1408
		1409	=item cf::player::num_playing
		1410
		1411	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1412
		1413	=cut
		1414
		1415	sub num_playing {
		1416	scalar grep
		1417	$_->ob->map
		1418	&& !$_->hidden
		1419	&& !$_->ob->flag (cf::FLAG_WIZ),
		1420	cf::player::list
		1421	}
1216		1422
1217	=item cf::player::find $login	1423	=item cf::player::find $login
1218		1424
1219	Returns the given player object, loading it if necessary (might block).	1425	Returns the given player object, loading it if necessary (might block).
1220		1426
…		…
1239		1445
1240	sub exists($) {	1446	sub exists($) {
1241	my ($login) = @_;	1447	my ($login) = @_;
1242		1448
1243	$cf::PLAYER{$login}	1449	$cf::PLAYER{$login}
1244	or cf::sync_job { !aio_stat path $login }	1450	or !aio_stat path $login
1245	}	1451	}
1246		1452
1247	sub find($) {	1453	sub find($) {
1248	return $cf::PLAYER{$_[0]} || do {	1454	return $cf::PLAYER{$_[0]} || do {
1249	my $login = $_[0];	1455	my $login = $_[0];
…		…
1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1462	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1463	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1464	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1259	aio_unlink +(playerdir $login) . "/$login.pl";	1465	aio_unlink +(playerdir $login) . "/$login.pl";
1260		1466
1261	my $pl = load_pl path $login	1467	my $f = new_from_file cf::object::thawer path $login
1262	or return;	1468	or return;
		1469
		1470	my $pl = cf::player::load_pl $f
		1471	or return;
		1472
		1473	local $cf::PLAYER_LOADING{$login} = $pl;
		1474	$f->resolve_delayed_derefs;
1263	$cf::PLAYER{$login} = $pl	1475	$cf::PLAYER{$login} = $pl
1264	}	1476	}
1265	}	1477	}
1266	}	1478	}
1267		1479
…		…
1276	return if $pl->{deny_save};	1488	return if $pl->{deny_save};
1277		1489
1278	aio_mkdir playerdir $pl, 0770;	1490	aio_mkdir playerdir $pl, 0770;
1279	$pl->{last_save} = $cf::RUNTIME;	1491	$pl->{last_save} = $cf::RUNTIME;
1280		1492
		1493	cf::get_slot 0.01;
		1494
1281	$pl->save_pl ($path);	1495	$pl->save_pl ($path);
1282	Coro::cede;	1496	cf::cede_to_tick;
1283	}	1497	}
1284		1498
1285	sub new($) {	1499	sub new($) {
1286	my ($login) = @_;	1500	my ($login) = @_;
1287		1501
…		…
1293	$cf::PLAYER{$login} = $self;	1507	$cf::PLAYER{$login} = $self;
1294		1508
1295	$self	1509	$self
1296	}	1510	}
1297		1511
		1512	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1513
		1514	=cut
		1515
		1516	sub send_msg {
		1517	my $ns = shift->ns
		1518	or return;
		1519	$ns->send_msg (@_);
		1520	}
		1521
1298	=item $pl->quit_character	1522	=item $pl->quit_character
1299		1523
1300	Nukes the player without looking back. If logged in, the connection will	1524	Nukes the player without looking back. If logged in, the connection will
1301	be destroyed. May block for a long time.	1525	be destroyed. May block for a long time.
1302		1526
…		…
1306	my ($pl) = @_;	1530	my ($pl) = @_;
1307		1531
1308	my $name = $pl->ob->name;	1532	my $name = $pl->ob->name;
1309		1533
1310	$pl->{deny_save} = 1;	1534	$pl->{deny_save} = 1;
1311	$pl->password ("*"); # this should lock out the player until we nuked the dir	1535	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1312		1536
1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1537	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1314	$pl->deactivate;	1538	$pl->deactivate;
		1539	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1540	$pl->ob->check_score;
1315	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1541	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1316	$pl->ns->destroy if $pl->ns;	1542	$pl->ns->destroy if $pl->ns;
1317		1543
1318	my $path = playerdir $pl;	1544	my $path = playerdir $pl;
1319	my $temp = "$path~$cf::RUNTIME~deleting~";	1545	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1355	or return [];	1581	or return [];
1356		1582
1357	my @logins;	1583	my @logins;
1358		1584
1359	for my $login (@$dirs) {	1585	for my $login (@$dirs) {
		1586	my $path = path $login;
		1587
		1588	# a .pst is a dead give-away for a valid player
		1589	# if no pst file found, open and chekc for blocked users
		1590	if (aio_stat "$path.pst") {
1360	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1591	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1361	aio_read $fh, 0, 512, my $buf, 0 or next;	1592	aio_read $fh, 0, 512, my $buf, 0 or next;
1362	$buf !~ /^password -------------$/m or next; # official not-valid tag	1593	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1594	}
1363		1595
1364	utf8::decode $login;	1596	utf8::decode $login;
1365	push @logins, $login;	1597	push @logins, $login;
1366	}	1598	}
1367		1599
…		…
1394	}	1626	}
1395		1627
1396	\@paths	1628	\@paths
1397	}	1629	}
1398		1630
1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1631	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1400		1632
1401	Expand crossfire pod fragments into protocol xml.	1633	Expand deliantra pod fragments into protocol xml.
1402		1634
1403	=cut
1404
1405	sub expand_cfpod {
1406	((my $self), (local $_)) = @_;
1407
1408	# escape & and <
1409	s/&/&amp;/g;
1410	s/(?<![BIUGH])</&lt;/g;
1411
1412	# this is buggy, it needs to properly take care of nested <'s
1413
1414	1 while
1415	# replace B<>, I<>, U<> etc.
1416	s/B<([^\>]*)>/<b>$1<\/b>/
1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
1419	# replace G<male|female> tags
1420	|| s{G<([^>|]*)\|([^>]*)>}{
1421	$self->gender ? $2 : $1
1422	}ge
1423	# replace H<hint text>
1424	|| s{H<([^\>]*)>}
1425	{
1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1428	"")
1429	[$self->{hintmode}]
1430	}ge;
1431
1432	# create single paragraphs (very hackish)
1433	s/(?<=\S)\n(?=\w)/ /g;
1434
1435	# compress some whitespace
1436	s/\s+\n/\n/g; # ws line-ends
1437	s/\n\n+/\n/g; # double lines
1438	s/^\n+//; # beginning lines
1439	s/\n+$//; # ending lines
1440
1441	$_
1442	}
1443
1444	sub hintmode {
1445	$_[0]{hintmode} = $_[1] if @_ > 1;
1446	$_[0]{hintmode}
1447	}
1448
1449	=item $player->ext_reply ($msgid, %msg)	1635	=item $player->ext_reply ($msgid, @msg)
1450		1636
1451	Sends an ext reply to the player.	1637	Sends an ext reply to the player.
1452		1638
1453	=cut	1639	=cut
1454		1640
1455	sub ext_reply($$%) {	1641	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1642	my ($self, $id, @msg) = @_;
1457		1643
1458	$msg{msgid} = $id;	1644	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1645	}
1461		1646
1462	=item $player->ext_event ($type, %msg)	1647	=item $player->ext_msg ($type, @msg)
1463		1648
1464	Sends an ext event to the client.	1649	Sends an ext event to the client.
1465		1650
1466	=cut	1651	=cut
1467		1652
1468	sub ext_event($$%) {	1653	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1654	my ($self, $type, @msg) = @_;
1470		1655
1471	$self->ns->ext_event ($type, %msg);	1656	$self->ns->ext_msg ($type, @msg);
1472	}	1657	}
1473		1658
1474	=head3 cf::region	1659	=head3 cf::region
1475		1660
1476	=over 4	1661	=over 4
…		…
1520	our $MAX_RESET = 3600;	1705	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1706	our $DEFAULT_RESET = 3000;
1522		1707
1523	sub generate_random_map {	1708	sub generate_random_map {
1524	my ($self, $rmp) = @_;	1709	my ($self, $rmp) = @_;
		1710
		1711	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1712
1525	# mit "rum" bekleckern, nicht	1713	# mit "rum" bekleckern, nicht
1526	$self->_create_random_map (	1714	$self->_create_random_map (
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1715	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1716	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1717	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1651		1839
1652	# the temporary/swap location	1840	# the temporary/swap location
1653	sub save_path {	1841	sub save_path {
1654	my ($self) = @_;	1842	my ($self) = @_;
1655		1843
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1844	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	1845	"$TMPDIR/$path.map"
1658	}	1846	}
1659		1847
1660	# the unique path, undef == no special unique path	1848	# the unique path, undef == no special unique path
1661	sub uniq_path {	1849	sub uniq_path {
1662	my ($self) = @_;	1850	my ($self) = @_;
1663		1851
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1852	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	1853	"$UNIQUEDIR/$path"
1666	}	1854	}
1667		1855
1668	# and all this just because we cannot iterate over	1856	# and all this just because we cannot iterate over
1669	# all maps in C++...	1857	# all maps in C++...
…		…
1692		1880
1693	sub load_header_from($) {	1881	sub load_header_from($) {
1694	my ($self, $path) = @_;	1882	my ($self, $path) = @_;
1695		1883
1696	utf8::encode $path;	1884	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	1885	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	or return;	1886	or return;
		1887
		1888	$self->_load_header ($f)
		1889	or return;
		1890
		1891	local $MAP_LOADING{$self->{path}} = $self;
		1892	$f->resolve_delayed_derefs;
1702		1893
1703	$self->{load_path} = $path;	1894	$self->{load_path} = $path;
1704		1895
1705	1	1896	1
1706	}	1897	}
…		…
1760	sub find {	1951	sub find {
1761	my ($path, $origin) = @_;	1952	my ($path, $origin) = @_;
1762		1953
1763	$path = normalise $path, $origin && $origin->path;	1954	$path = normalise $path, $origin && $origin->path;
1764		1955
		1956	cf::lock_wait "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	1957	cf::lock_wait "map_find:$path";
1766		1958
1767	$cf::MAP{$path} || do {	1959	$cf::MAP{$path} || do {
		1960	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1768	my $guard = cf::lock_acquire "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
		1962
1769	my $map = new_from_path cf::map $path	1963	my $map = new_from_path cf::map $path
1770	or return;	1964	or return;
1771		1965
1772	$map->{last_save} = $cf::RUNTIME;	1966	$map->{last_save} = $cf::RUNTIME;
1773		1967
…		…
1775	or return;	1969	or return;
1776		1970
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1971	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	1972	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	1973	#$cf::WAIT_FOR_TICK->wait;
		1974	undef $guard2;
		1975	undef $guard1;
1780	$map->reset;	1976	$map->reset;
1781	undef $guard;
1782	return find $path;	1977	return find $path;
1783	}	1978	}
1784		1979
1785	$cf::MAP{$path} = $map	1980	$cf::MAP{$path} = $map
1786	}	1981	}
…		…
1795	local $self->{deny_reset} = 1; # loading can take a long time	1990	local $self->{deny_reset} = 1; # loading can take a long time
1796		1991
1797	my $path = $self->{path};	1992	my $path = $self->{path};
1798		1993
1799	{	1994	{
1800	my $guard = cf::lock_acquire "map_load:$path";	1995	my $guard = cf::lock_acquire "map_data:$path";
1801		1996
		1997	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	1998	return unless $self->in_memory == cf::MAP_SWAPPED;
1803		1999
1804	$self->in_memory (cf::MAP_LOADING);	2000	$self->in_memory (cf::MAP_LOADING);
1805		2001
1806	$self->alloc;	2002	$self->alloc;
1807		2003
1808	$self->pre_load;	2004	$self->pre_load;
1809	Coro::cede;	2005	cf::cede_to_tick;
1810		2006
		2007	my $f = new_from_file cf::object::thawer $self->{load_path};
		2008	$f->skip_block;
1811	$self->_load_objects ($self->{load_path}, 1)	2009	$self->_load_objects ($f)
1812	or return;	2010	or return;
1813		2011
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2012	$self->post_load_original
1815	if delete $self->{load_original};	2013	if delete $self->{load_original};
1816		2014
1817	if (my $uniq = $self->uniq_path) {	2015	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2016	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2017	unless (aio_stat $uniq) {
		2018	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2019	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2020	$self->_load_objects ($f);
		2021	$f->resolve_delayed_derefs;
		2022	}
1822	}	2023	}
1823	}	2024	}
1824		2025
1825	Coro::cede;	2026	$f->resolve_delayed_derefs;
		2027
		2028	cf::cede_to_tick;
1826	# now do the right thing for maps	2029	# now do the right thing for maps
1827	$self->link_multipart_objects;	2030	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2031	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2032	unless $self->difficulty;
1830	Coro::cede;	2033	cf::cede_to_tick;
1831		2034
1832	unless ($self->{deny_activate}) {	2035	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2036	$self->decay_objects;
1834	$self->fix_auto_apply;	2037	$self->fix_auto_apply;
1835	$self->update_buttons;	2038	$self->update_buttons;
1836	Coro::cede;	2039	cf::cede_to_tick;
1837	$self->set_darkness_map;	2040	$self->set_darkness_map;
1838	Coro::cede;	2041	cf::cede_to_tick;
1839	$self->activate;	2042	$self->activate;
1840	}	2043	}
1841		2044
		2045	$self->{last_save} = $cf::RUNTIME;
		2046	$self->last_access ($cf::RUNTIME);
		2047
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2048	$self->in_memory (cf::MAP_ACTIVE);
1843	}	2049	}
1844		2050
1845	$self->post_load;	2051	$self->post_load;
1846	}	2052	}
1847		2053
…		…
1856		2062
1857	$self	2063	$self
1858	}	2064	}
1859		2065
1860	# find and load all maps in the 3x3 area around a map	2066	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {	2067	sub load_neighbours {
1862	my ($map) = @_;	2068	my ($map) = @_;
1863		2069
1864	my @diag; # diagonal neighbours	2070	my @neigh; # diagonal neighbours
1865		2071
1866	for (0 .. 3) {	2072	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)	2073	my $neigh = $map->tile_path ($_)
1868	or next;	2074	or next;
1869	$neigh = find $neigh, $map	2075	$neigh = find $neigh, $map
1870	or next;	2076	or next;
1871	$neigh->load;	2077	$neigh->load;
1872		2078
		2079	push @neigh,
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2080	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2081	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}	2082	}
1876		2083
1877	for (@diag) {	2084	for (grep defined $_->[0], @neigh) {
		2085	my ($path, $origin) = @$_;
1878	my $neigh = find @$_	2086	my $neigh = find $path, $origin
1879	or next;	2087	or next;
1880	$neigh->load;	2088	$neigh->load;
1881	}	2089	}
1882	}	2090	}
1883		2091
…		…
1888	}	2096	}
1889		2097
1890	sub do_load_sync {	2098	sub do_load_sync {
1891	my ($map) = @_;	2099	my ($map) = @_;
1892		2100
		2101	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2102	if $Coro::current == $Coro::main;
		2103
1893	cf::sync_job { $map->load };	2104	cf::sync_job { $map->load };
1894	}	2105	}
1895		2106
1896	our %MAP_PREFETCH;	2107	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2108	our $MAP_PREFETCHER = undef;
1898		2109
1899	sub find_async {	2110	sub find_async {
1900	my ($path, $origin) = @_;	2111	my ($path, $origin, $load) = @_;
1901		2112
1902	$path = normalise $path, $origin && $origin->{path};	2113	$path = normalise $path, $origin && $origin->{path};
1903		2114
1904	if (my $map = $cf::MAP{$path}) {	2115	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2116	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1906	}	2117	}
1907		2118
1908	undef $MAP_PREFETCH{$path};	2119	$MAP_PREFETCH{$path} |= $load;
		2120
1909	$MAP_PREFETCHER ||= cf::async {	2121	$MAP_PREFETCHER ||= cf::async {
		2122	$Coro::current->{desc} = "map prefetcher";
		2123
1910	while (%MAP_PREFETCH) {	2124	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2125	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	if (my $map = find $path) {	2126	if (my $map = find $k) {
1913	$map->load;	2127	$map->load if $v;
1914	}	2128	}
1915		2129
1916	delete $MAP_PREFETCH{$path};	2130	delete $MAP_PREFETCH{$k};
1917	}	2131	}
1918	}	2132	}
1919	undef $MAP_PREFETCHER;	2133	undef $MAP_PREFETCHER;
1920	};	2134	};
1921	$MAP_PREFETCHER->prio (6);	2135	$MAP_PREFETCHER->prio (6);
…		…
1924	}	2138	}
1925		2139
1926	sub save {	2140	sub save {
1927	my ($self) = @_;	2141	my ($self) = @_;
1928		2142
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;	2143	my $lock = cf::lock_acquire "map_data:$self->{path}";
1930		2144
1931	$self->{last_save} = $cf::RUNTIME;	2145	$self->{last_save} = $cf::RUNTIME;
1932		2146
1933	return unless $self->dirty;	2147	return unless $self->dirty;
1934		2148
…		…
1940	return if $self->{deny_save};	2154	return if $self->{deny_save};
1941		2155
1942	local $self->{last_access} = $self->last_access;#d#	2156	local $self->{last_access} = $self->last_access;#d#
1943		2157
1944	cf::async {	2158	cf::async {
		2159	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2160	$_->contr->save for $self->players;
1946	};	2161	};
		2162
		2163	cf::get_slot 0.02;
1947		2164
1948	if ($uniq) {	2165	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2167	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2168	} else {
…		…
1957	my ($self) = @_;	2174	my ($self) = @_;
1958		2175
1959	# save first because save cedes	2176	# save first because save cedes
1960	$self->save;	2177	$self->save;
1961		2178
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2180
1964	return if $self->players;	2181	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;	2182	return if $self->in_memory != cf::MAP_ACTIVE;
1966	return if $self->{deny_save};	2183	return if $self->{deny_save};
1967		2184
		2185	$self->in_memory (cf::MAP_SWAPPED);
		2186
		2187	$self->deactivate;
		2188	$_->clear_links_to ($self) for values %cf::MAP;
1968	$self->clear;	2189	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2190	}
1971		2191
1972	sub reset_at {	2192	sub reset_at {
1973	my ($self) = @_;	2193	my ($self) = @_;
1974		2194
…		…
2006	if $uniq;	2226	if $uniq;
2007	}	2227	}
2008		2228
2009	delete $cf::MAP{$self->path};	2229	delete $cf::MAP{$self->path};
2010		2230
		2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2233	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2234
2015	$self->unlink_save;	2235	$self->unlink_save;
2016	$self->destroy;	2236	$self->destroy;
2017	}	2237	}
2018		2238
2019	my $nuke_counter = "aaaa";	2239	my $nuke_counter = "aaaa";
2020		2240
2021	sub nuke {	2241	sub nuke {
2022	my ($self) = @_;	2242	my ($self) = @_;
2023		2243
		2244	{
		2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2246
2024	delete $cf::MAP{$self->path};	2247	delete $cf::MAP{$self->path};
2025		2248
2026	$self->unlink_save;	2249	$self->unlink_save;
2027		2250
2028	bless $self, "cf::map";	2251	bless $self, "cf::map";
2029	delete $self->{deny_reset};	2252	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2253	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2254	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2255	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2256
2034	$cf::MAP{$self->path} = $self;	2257	$cf::MAP{$self->path} = $self;
		2258	}
2035		2259
2036	$self->reset; # polite request, might not happen	2260	$self->reset; # polite request, might not happen
2037	}	2261	}
2038		2262
2039	=item $maps = cf::map::tmp_maps	2263	=item $maps = cf::map::tmp_maps
…		…
2081		2305
2082	sub unique_maps() {	2306	sub unique_maps() {
2083	[	2307	[
2084	map {	2308	map {
2085	utf8::decode $_;	2309	utf8::decode $_;
2086	/\.map$/	2310	s/\.map$//; # TODO future compatibility hack
		2311	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2312	? ()
2087	? normalise $_	2313	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2314	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2315	]
2091	}	2316	}
2092		2317
2093	package cf;
2094
2095	=back	2318	=back
2096		2319
2097	=head3 cf::object	2320	=head3 cf::object
2098		2321
2099	=cut	2322	=cut
…		…
2102		2325
2103	=over 4	2326	=over 4
2104		2327
2105	=item $ob->inv_recursive	2328	=item $ob->inv_recursive
2106		2329
2107	Returns the inventory of the object _and_ their inventories, recursively.	2330	Returns the inventory of the object I<and> their inventories, recursively,
		2331	but I<not> the object itself.
2108		2332
2109	=cut	2333	=cut
2110		2334
2111	sub inv_recursive_;	2335	sub inv_recursive_;
2112	sub inv_recursive_ {	2336	sub inv_recursive_ {
…		…
2115		2339
2116	sub inv_recursive {	2340	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2341	inv_recursive_ inv $_[0]
2118	}	2342	}
2119		2343
		2344	=item $ref = $ob->ref
		2345
		2346	Creates and returns a persistent reference to an object that can be stored as a string.
		2347
		2348	=item $ob = cf::object::deref ($refstring)
		2349
		2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2351	even if the object actually exists. May block.
		2352
		2353	=cut
		2354
		2355	sub deref {
		2356	my ($ref) = @_;
		2357
		2358	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2359	my ($uuid, $name) = ($1, $2);
		2360	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2361	or return;
		2362	$pl->ob->uuid eq $uuid
		2363	or return;
		2364
		2365	$pl->ob
		2366	} else {
		2367	warn "$ref: cannot resolve object reference\n";
		2368	undef
		2369	}
		2370	}
		2371
2120	package cf;	2372	package cf;
2121		2373
2122	=back	2374	=back
2123		2375
2124	=head3 cf::object::player	2376	=head3 cf::object::player
…		…
2130	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2382	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2131	can be C<undef>. Does the right thing when the player is currently in a	2383	can be C<undef>. Does the right thing when the player is currently in a
2132	dialogue with the given NPC character.	2384	dialogue with the given NPC character.
2133		2385
2134	=cut	2386	=cut
		2387
		2388	our $SAY_CHANNEL = {
		2389	id => "say",
		2390	title => "Map",
		2391	reply => "say ",
		2392	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2393	};
		2394
		2395	our $CHAT_CHANNEL = {
		2396	id => "chat",
		2397	title => "Chat",
		2398	reply => "chat ",
		2399	tooltip => "Player chat and shouts, global to the server.",
		2400	};
2135		2401
2136	# rough implementation of a future "reply" method that works	2402	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2403	# with dialog boxes.
2138	#TODO: the first argument must go, split into a $npc->reply_to ( method	2404	#TODO: the first argument must go, split into a $npc->reply_to ( method
2139	sub cf::object::player::reply($$$;$) {	2405	sub cf::object::player::reply($$$;$) {
…		…
2146		2412
2147	} else {	2413	} else {
2148	my $pl = $self->contr;	2414	my $pl = $self->contr;
2149		2415
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2416	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2417	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2418	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2153	$diag->{id},
2154	msgtype => "reply",
2155	msg => $diag->{pl}->expand_cfpod ($msg),
2156	add_topics => []
2157	);
2158		2419
2159	} else {	2420	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2421	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2422	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2423	}
2163	}	2424	}
		2425	}
		2426
		2427	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2428
		2429	=cut
		2430
		2431	sub cf::object::send_msg {
		2432	my $pl = shift->contr
		2433	or return;
		2434	$pl->send_msg (@_);
2164	}	2435	}
2165		2436
2166	=item $player_object->may ("access")	2437	=item $player_object->may ("access")
2167		2438
2168	Returns wether the given player is authorized to access resource "access"	2439	Returns wether the given player is authorized to access resource "access"
…		…
2181		2452
2182	=item $player_object->enter_link	2453	=item $player_object->enter_link
2183		2454
2184	Freezes the player and moves him/her to a special map (C<{link}>).	2455	Freezes the player and moves him/her to a special map (C<{link}>).
2185		2456
2186	The player should be reasonably safe there for short amounts of time. You	2457	The player should be reasonably safe there for short amounts of time (e.g.
2187	I<MUST> call C<leave_link> as soon as possible, though.	2458	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2459	though, as the palyer cannot control the character while it is on the link
		2460	map.
2188		2461
2189	Will never block.	2462	Will never block.
2190		2463
2191	=item $player_object->leave_link ($map, $x, $y)	2464	=item $player_object->leave_link ($map, $x, $y)
2192		2465
…		…
2247	# use -1 or undef as default coordinates, not 0, 0	2520	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2521	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2522	if $x <=0 && $y <= 0;
2250		2523
2251	$map->load;	2524	$map->load;
2252	$map->load_diag;	2525	$map->load_neighbours;
2253		2526
2254	return unless $self->contr->active;	2527	return unless $self->contr->active;
		2528	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2255	$self->activate_recursive;	2529	$self->activate_recursive;
2256		2530
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2532	$self->enter_map ($map, $x, $y);
2259	}	2533	}
…		…
2264	her, loading and preparing them map, calling the provided $check callback	2538	her, loading and preparing them map, calling the provided $check callback
2265	that has to return the map if sucecssful, and then unfreezes the player on	2539	that has to return the map if sucecssful, and then unfreezes the player on
2266	the new (success) or old (failed) map position. In either case, $done will	2540	the new (success) or old (failed) map position. In either case, $done will
2267	be called at the end of this process.	2541	be called at the end of this process.
2268		2542
		2543	Note that $check will be called with a potentially non-loaded map, so if
		2544	it needs a loaded map it has to call C<< ->load >>.
		2545
2269	=cut	2546	=cut
2270		2547
2271	our $GOTOGEN;	2548	our $GOTOGEN;
2272		2549
2273	sub cf::object::player::goto {	2550	sub cf::object::player::goto {
…		…
2277	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2554	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2278		2555
2279	$self->enter_link;	2556	$self->enter_link;
2280		2557
2281	(async {	2558	(async {
		2559	$Coro::current->{desc} = "player::goto $path $x $y";
		2560
		2561	# *tag paths override both path and x|y
		2562	if ($path =~ /^\*(.*)$/) {
		2563	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2564	my $ob = $obs[rand @obs];
		2565
		2566	# see if we actually can go there
		2567	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2568	$ob = $obs[rand @obs];
		2569	} else {
		2570	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2571	}
		2572	# else put us there anyways for now #d#
		2573
		2574	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2575	} else {
		2576	($path, $x, $y) = (undef, undef, undef);
		2577	}
		2578	}
		2579
2282	my $map = eval {	2580	my $map = eval {
2283	my $map = cf::map::find $path;	2581	my $map = defined $path ? cf::map::find $path : undef;
2284		2582
2285	if ($map) {	2583	if ($map) {
2286	$map = $map->customise_for ($self);	2584	$map = $map->customise_for ($self);
2287	$map = $check->($map) if $check && $map;	2585	$map = $check->($map) if $check && $map;
2288	} else {	2586	} else {
2289	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2587	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2290	}	2588	}
2291		2589
2292	$map	2590	$map
2293	};	2591	};
2294		2592
…		…
2330	}	2628	}
2331		2629
2332	sub prepare_random_map {	2630	sub prepare_random_map {
2333	my ($exit) = @_;	2631	my ($exit) = @_;
2334		2632
2335	my $guard = cf::lock_acquire "exit_prepare:$exit";
2336
2337	# all this does is basically replace the /! path by	2633	# all this does is basically replace the /! path by
2338	# a new random map path (?random/...) with a seed	2634	# a new random map path (?random/...) with a seed
2339	# that depends on the exit object	2635	# that depends on the exit object
2340		2636
2341	my $rmp = parse_random_map_params $exit->msg;	2637	my $rmp = parse_random_map_params $exit->msg;
…		…
2343	if ($exit->map) {	2639	if ($exit->map) {
2344	$rmp->{region} = $exit->region->name;	2640	$rmp->{region} = $exit->region->name;
2345	$rmp->{origin_map} = $exit->map->path;	2641	$rmp->{origin_map} = $exit->map->path;
2346	$rmp->{origin_x} = $exit->x;	2642	$rmp->{origin_x} = $exit->x;
2347	$rmp->{origin_y} = $exit->y;	2643	$rmp->{origin_y} = $exit->y;
		2644
		2645	$exit->map->touch;
2348	}	2646	}
2349		2647
2350	$rmp->{random_seed} ||= $exit->random_seed;	2648	$rmp->{random_seed} ||= $exit->random_seed;
2351		2649
2352	my $data = cf::to_json $rmp;	2650	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2353	my $md5 = Digest::MD5::md5_hex $data;	2651	my $md5 = Digest::MD5::md5_hex $data;
2354	my $meta = "$RANDOMDIR/$md5.meta";	2652	my $meta = "$RANDOMDIR/$md5.meta";
2355		2653
2356	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2357	aio_write $fh, 0, (length $data), $data, 0;	2655	aio_write $fh, 0, (length $data), $data, 0;
2358	undef $fh;	2656	undef $fh;
2359	aio_rename "$meta~", $meta;	2657	aio_rename "$meta~", $meta;
2360		2658
		2659	my $slaying = "?random/$md5";
		2660
		2661	if ($exit->valid) {
2361	$exit->slaying ("?random/$md5");	2662	$exit->slaying ("?random/$md5");
2362	$exit->msg (undef);	2663	$exit->msg (undef);
		2664	}
2363	}	2665	}
2364	}	2666	}
2365		2667
2366	sub cf::object::player::enter_exit {	2668	sub cf::object::player::enter_exit {
2367	my ($self, $exit) = @_;	2669	my ($self, $exit) = @_;
2368		2670
2369	return unless $self->type == cf::PLAYER;	2671	return unless $self->type == cf::PLAYER;
2370		2672
2371	if ($exit->slaying eq "/!") {
2372	#TODO: this should de-fi-ni-te-ly not be a sync-job
2373	# the problem is that $exit might not survive long enough
2374	# so it needs to be done right now, right here
2375	cf::sync_job { prepare_random_map $exit };
2376	}
2377
2378	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2379	my $hp = $exit->stats->hp;
2380	my $sp = $exit->stats->sp;
2381
2382	$self->enter_link;	2673	$self->enter_link;
2383		2674
2384	# if exit is damned, update players death & WoR home-position
2385	$self->contr->savebed ($slaying, $hp, $sp)
2386	if $exit->flag (FLAG_DAMNED);
2387
2388	(async {	2675	(async {
2389	$self->deactivate_recursive; # just to be sure	2676	$Coro::current->{desc} = "enter_exit";
		2677
2390	unless (eval {	2678	unless (eval {
		2679	$self->deactivate_recursive; # just to be sure
		2680
		2681	# random map handling
		2682	{
		2683	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2684
		2685	prepare_random_map $exit
		2686	if $exit->slaying eq "/!";
		2687	}
		2688
		2689	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2690	my $x = $exit->stats->hp;
		2691	my $y = $exit->stats->sp;
		2692
2391	$self->goto ($slaying, $hp, $sp);	2693	$self->goto ($map, $x, $y);
2392		2694
		2695	# if exit is damned, update players death & WoR home-position
		2696	$self->contr->savebed ($map, $x, $y)
		2697	if $exit->flag (cf::FLAG_DAMNED);
		2698
2393	1;	2699	1
2394	}) {	2700	}) {
2395	$self->message ("Something went wrong deep within the crossfire server. "	2701	$self->message ("Something went wrong deep within the deliantra server. "
2396	. "I'll try to bring you back to the map you were before. "	2702	. "I'll try to bring you back to the map you were before. "
2397	. "Please report this to the dungeon master!",	2703	. "Please report this to the dungeon master!",
2398	cf::NDI_UNIQUE | cf::NDI_RED);	2704	cf::NDI_UNIQUE | cf::NDI_RED);
2399		2705
2400	warn "ERROR in enter_exit: $@";	2706	warn "ERROR in enter_exit: $@";
…		…
2419		2725
2420	utf8::encode $text;	2726	utf8::encode $text;
2421	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2422	}	2728	}
2423		2729
2424	=item $client->send_msg ($color, $type, $msg, [extra...])	2730	=item $client->send_msg ($channel, $msg, $color, [extra...])
2425		2731
2426	Send a drawinfo or msg packet to the client, formatting the msg for the	2732	Send a drawinfo or msg packet to the client, formatting the msg for the
2427	client if neccessary. C<$type> should be a string identifying the type of	2733	client if neccessary. C<$type> should be a string identifying the type of
2428	the message, with C<log> being the default. If C<$color> is negative, suppress	2734	the message, with C<log> being the default. If C<$color> is negative, suppress
2429	the message unless the client supports the msg packet.	2735	the message unless the client supports the msg packet.
2430		2736
2431	=cut	2737	=cut
2432		2738
		2739	# non-persistent channels (usually the info channel)
		2740	our %CHANNEL = (
		2741	"c/identify" => {
		2742	id => "infobox",
		2743	title => "Identify",
		2744	reply => undef,
		2745	tooltip => "Items recently identified",
		2746	},
		2747	"c/examine" => {
		2748	id => "infobox",
		2749	title => "Examine",
		2750	reply => undef,
		2751	tooltip => "Signs and other items you examined",
		2752	},
		2753	"c/book" => {
		2754	id => "infobox",
		2755	title => "Book",
		2756	reply => undef,
		2757	tooltip => "The contents of a note or book",
		2758	},
		2759	"c/lookat" => {
		2760	id => "infobox",
		2761	title => "Look",
		2762	reply => undef,
		2763	tooltip => "What you saw there",
		2764	},
		2765	"c/who" => {
		2766	id => "infobox",
		2767	title => "Players",
		2768	reply => undef,
		2769	tooltip => "Shows players who are currently online",
		2770	},
		2771	"c/body" => {
		2772	id => "infobox",
		2773	title => "Body Parts",
		2774	reply => undef,
		2775	tooltip => "Shows which body parts you posess and are available",
		2776	},
		2777	"c/skills" => {
		2778	id => "infobox",
		2779	title => "Skills",
		2780	reply => undef,
		2781	tooltip => "Shows your experience per skill and item power",
		2782	},
		2783	"c/uptime" => {
		2784	id => "infobox",
		2785	title => "Uptime",
		2786	reply => undef,
		2787	tooltip => "How long the server has been running since last restart",
		2788	},
		2789	"c/mapinfo" => {
		2790	id => "infobox",
		2791	title => "Map Info",
		2792	reply => undef,
		2793	tooltip => "Information related to the maps",
		2794	},
		2795	"c/party" => {
		2796	id => "party",
		2797	title => "Party",
		2798	reply => "gsay ",
		2799	tooltip => "Messages and chat related to your party",
		2800	},
		2801	);
		2802
2433	sub cf::client::send_msg {	2803	sub cf::client::send_msg {
2434	my ($self, $color, $type, $msg, @extra) = @_;	2804	my ($self, $channel, $msg, $color, @extra) = @_;
2435		2805
2436	$msg = $self->pl->expand_cfpod ($msg);	2806	$msg = $self->pl->expand_cfpod ($msg)
		2807	unless $color & cf::NDI_VERBATIM;
		2808
		2809	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2810
		2811	# check predefined channels, for the benefit of C
		2812	if ($CHANNEL{$channel}) {
		2813	$channel = $CHANNEL{$channel};
		2814
		2815	$self->ext_msg (channel_info => $channel)
		2816	if $self->can_msg;
		2817
		2818	$channel = $channel->{id};
		2819
		2820	} elsif (ref $channel) {
		2821	# send meta info to client, if not yet sent
		2822	unless (exists $self->{channel}{$channel->{id}}) {
		2823	$self->{channel}{$channel->{id}} = $channel;
		2824	$self->ext_msg (channel_info => $channel)
		2825	if $self->can_msg;
		2826	}
		2827
		2828	$channel = $channel->{id};
		2829	}
2437		2830
2438	return unless @extra || length $msg;	2831	return unless @extra || length $msg;
2439		2832
2440	if ($self->can_msg) {	2833	if ($self->can_msg) {
2441	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2834	# default colour, mask it out
		2835	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2836	if $color & cf::NDI_DEF;
		2837
		2838	my $pkt = "msg "
		2839	. $self->{json_coder}->encode (
		2840	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2841	);
		2842
		2843	# try lzf for large packets
		2844	$pkt = "lzf " . Compress::LZF::compress $pkt
		2845	if 1024 <= length $pkt and $self->{can_lzf};
		2846
		2847	# split very large packets
		2848	if (8192 < length $pkt and $self->{can_lzf}) {
		2849	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2850	$pkt = "frag";
		2851	}
		2852
		2853	$self->send_packet ($pkt);
2442	} else {	2854	} else {
2443	# replace some tags by gcfclient-compatible ones
2444	for ($msg) {
2445	1 while
2446	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2447	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2448	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2449	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2450	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2451	}
2452
2453	if ($color >= 0) {	2855	if ($color >= 0) {
		2856	# replace some tags by gcfclient-compatible ones
		2857	for ($msg) {
		2858	1 while
		2859	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2860	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2861	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2862	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2863	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2864	}
		2865
		2866	$color &= cf::NDI_COLOR_MASK;
		2867
		2868	utf8::encode $msg;
		2869
2454	if (0 && $msg =~ /\[/) {	2870	if (0 && $msg =~ /\[/) {
		2871	# COMMAND/INFO
2455	$self->send_packet ("drawextinfo $color 4 0 $msg")	2872	$self->send_packet ("drawextinfo $color 10 8 $msg")
2456	} else {	2873	} else {
2457	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2874	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2458	$self->send_packet ("drawinfo $color $msg")	2875	$self->send_packet ("drawinfo $color $msg")
2459	}	2876	}
2460	}	2877	}
2461	}	2878	}
2462	}	2879	}
2463		2880
2464	=item $client->ext_event ($type, %msg)	2881	=item $client->ext_msg ($type, @msg)
2465		2882
2466	Sends an ext event to the client.	2883	Sends an ext event to the client.
2467		2884
2468	=cut	2885	=cut
2469		2886
2470	sub cf::client::ext_event($$%) {	2887	sub cf::client::ext_msg($$@) {
2471	my ($self, $type, %msg) = @_;	2888	my ($self, $type, @msg) = @_;
2472		2889
2473	return unless $self->extcmd;	2890	if ($self->extcmd == 2) {
2474		2891	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2892	} elsif ($self->extcmd == 1) { # TODO: remove
2475	$msg{msgtype} = "event_$type";	2893	push @msg, msgtype => "event_$type";
2476	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2894	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2895	}
		2896	}
		2897
		2898	=item $client->ext_reply ($msgid, @msg)
		2899
		2900	Sends an ext reply to the client.
		2901
		2902	=cut
		2903
		2904	sub cf::client::ext_reply($$@) {
		2905	my ($self, $id, @msg) = @_;
		2906
		2907	if ($self->extcmd == 2) {
		2908	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2909	} elsif ($self->extcmd == 1) {
		2910	#TODO: version 1, remove
		2911	unshift @msg, msgtype => "reply", msgid => $id;
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2913	}
2477	}	2914	}
2478		2915
2479	=item $success = $client->query ($flags, "text", \&cb)	2916	=item $success = $client->query ($flags, "text", \&cb)
2480		2917
2481	Queues a query to the client, calling the given callback with	2918	Queues a query to the client, calling the given callback with
…		…
2536	my ($ns, $buf) = @_;	2973	my ($ns, $buf) = @_;
2537		2974
2538	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2975	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2539		2976
2540	if (ref $msg) {	2977	if (ref $msg) {
		2978	my ($type, $reply, @payload) =
		2979	"ARRAY" eq ref $msg
		2980	? @$msg
		2981	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2982
		2983	my @reply;
		2984
2541	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2985	if (my $cb = $EXTICMD{$type}) {
2542	if (my %reply = $cb->($ns, $msg)) {	2986	@reply = $cb->($ns, @payload);
2543	$reply{msgid} = $msg->{msgid};
2544	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2545	}
2546	}	2987	}
		2988
		2989	$ns->ext_reply ($reply, @reply)
		2990	if $reply;
		2991
2547	} else {	2992	} else {
2548	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	2993	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2549	}	2994	}
2550		2995
2551	cf::override;	2996	cf::override;
…		…
2598	our $safe = new Safe "safe";	3043	our $safe = new Safe "safe";
2599	our $safe_hole = new Safe::Hole;	3044	our $safe_hole = new Safe::Hole;
2600		3045
2601	$SIG{FPE} = 'IGNORE';	3046	$SIG{FPE} = 'IGNORE';
2602		3047
2603	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3048	$safe->permit_only (Opcode::opset qw(
		3049	:base_core :base_mem :base_orig :base_math
		3050	grepstart grepwhile mapstart mapwhile
		3051	sort time
		3052	));
2604		3053
2605	# here we export the classes and methods available to script code	3054	# here we export the classes and methods available to script code
2606		3055
2607	=pod	3056	=pod
2608		3057
2609	The following functions and methods are available within a safe environment:	3058	The following functions and methods are available within a safe environment:
2610		3059
2611	cf::object	3060	cf::object
2612	contr pay_amount pay_player map x y force_find force_add	3061	contr pay_amount pay_player map x y force_find force_add destroy
2613	insert remove	3062	insert remove name archname title slaying race decrease split
2614		3063
2615	cf::object::player	3064	cf::object::player
2616	player	3065	player
2617		3066
2618	cf::player	3067	cf::player
…		…
2623		3072
2624	=cut	3073	=cut
2625		3074
2626	for (	3075	for (
2627	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3076	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2628	insert remove)],	3077	insert remove inv nrof name archname title slaying race
		3078	decrease split destroy change_exp)],
2629	["cf::object::player" => qw(player)],	3079	["cf::object::player" => qw(player)],
2630	["cf::player" => qw(peaceful)],	3080	["cf::player" => qw(peaceful)],
2631	["cf::map" => qw(trigger)],	3081	["cf::map" => qw(trigger)],
2632	) {	3082	) {
2633	no strict 'refs';	3083	no strict 'refs';
…		…
2709	# the server's init and main functions	3159	# the server's init and main functions
2710		3160
2711	sub load_facedata($) {	3161	sub load_facedata($) {
2712	my ($path) = @_;	3162	my ($path) = @_;
2713		3163
		3164	# HACK to clear player env face cache, we need some signal framework
		3165	# for this (global event?)
		3166	%ext::player_env::MUSIC_FACE_CACHE = ();
		3167
		3168	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3169
2714	warn "loading facedata from $path\n";	3170	warn "loading facedata from $path\n";
2715		3171
2716	my $facedata;	3172	my $facedata;
2717	0 < aio_load $path, $facedata	3173	0 < aio_load $path, $facedata
2718	or die "$path: $!";	3174	or die "$path: $!";
…		…
2720	$facedata = Coro::Storable::thaw $facedata;	3176	$facedata = Coro::Storable::thaw $facedata;
2721		3177
2722	$facedata->{version} == 2	3178	$facedata->{version} == 2
2723	or cf::cleanup "$path: version mismatch, cannot proceed.";	3179	or cf::cleanup "$path: version mismatch, cannot proceed.";
2724		3180
		3181	# patch in the exptable
		3182	$facedata->{resource}{"res/exp_table"} = {
		3183	type => FT_RSRC,
		3184	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3185	};
		3186	cf::cede_to_tick;
		3187
2725	{	3188	{
2726	my $faces = $facedata->{faceinfo};	3189	my $faces = $facedata->{faceinfo};
2727		3190
2728	while (my ($face, $info) = each %$faces) {	3191	while (my ($face, $info) = each %$faces) {
2729	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3192	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3193
2730	cf::face::set_visibility $idx, $info->{visibility};	3194	cf::face::set_visibility $idx, $info->{visibility};
2731	cf::face::set_magicmap $idx, $info->{magicmap};	3195	cf::face::set_magicmap $idx, $info->{magicmap};
2732	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3196	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2733	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3197	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2734		3198
2735	cf::cede_to_tick;	3199	cf::cede_to_tick;
2736	}	3200	}
2737		3201
2738	while (my ($face, $info) = each %$faces) {	3202	while (my ($face, $info) = each %$faces) {
2739	next unless $info->{smooth};	3203	next unless $info->{smooth};
		3204
2740	my $idx = cf::face::find $face	3205	my $idx = cf::face::find $face
2741	or next;	3206	or next;
		3207
2742	if (my $smooth = cf::face::find $info->{smooth}) {	3208	if (my $smooth = cf::face::find $info->{smooth}) {
2743	cf::face::set_smooth $idx, $smooth;	3209	cf::face::set_smooth $idx, $smooth;
2744	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3210	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2745	} else {	3211	} else {
2746	warn "smooth face '$info->{smooth}' not found for face '$face'";	3212	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2763		3229
2764	{	3230	{
2765	# TODO: for gcfclient pleasure, we should give resources	3231	# TODO: for gcfclient pleasure, we should give resources
2766	# that gcfclient doesn't grok a >10000 face index.	3232	# that gcfclient doesn't grok a >10000 face index.
2767	my $res = $facedata->{resource};	3233	my $res = $facedata->{resource};
2768	my $enc = JSON::XS->new->utf8->canonical;
2769		3234
2770	while (my ($name, $info) = each %$res) {	3235	while (my ($name, $info) = each %$res) {
2771	my $meta = $enc->encode ({	3236	if (defined $info->{type}) {
2772	name => $name,
2773	type => $info->{type},
2774	copyright => $info->{copyright}, #TODO#
2775	});
2776
2777	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3237	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3238	my $data;
2778		3239
2779	if ($name =~ /\.jpg$/) {	3240	if ($info->{type} & 1) {
2780	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3241	# prepend meta info
2781	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3242
		3243	my $meta = $enc->encode ({
		3244	name => $name,
		3245	%{ $info->{meta} || {} },
		3246	});
		3247
		3248	$data = pack "(w/a*)*", $meta, $info->{data};
		3249	} else {
		3250	$data = $info->{data};
		3251	}
		3252
		3253	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3254	cf::face::set_type $idx, $info->{type};
2782	} else {	3255	} else {
2783	my $data = pack "(w/a*)*", $meta, $info->{data};	3256	$RESOURCE{$name} = $info;
2784	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2785
2786	cf::face::set_type $idx, 1;
2787	cf::face::set_data $idx, 0, $data, $chk;
2788	}	3257	}
2789		3258
2790	cf::cede_to_tick;	3259	cf::cede_to_tick;
2791	}	3260	}
2792	}	3261	}
2793		3262
		3263	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3264
2794	1	3265	1
2795	}	3266	}
2796		3267
		3268	cf::global->attach (on_resource_update => sub {
		3269	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3270	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3271
		3272	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3273	my $sound = $soundconf->{compat}[$_]
		3274	or next;
		3275
		3276	my $face = cf::face::find "sound/$sound->[1]";
		3277	cf::sound::set $sound->[0] => $face;
		3278	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3279	}
		3280
		3281	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3282	my $face = cf::face::find "sound/$v";
		3283	cf::sound::set $k => $face;
		3284	}
		3285	}
		3286	});
		3287
		3288	register_exticmd fx_want => sub {
		3289	my ($ns, $want) = @_;
		3290
		3291	while (my ($k, $v) = each %$want) {
		3292	$ns->fx_want ($k, $v);
		3293	}
		3294	};
		3295
		3296	sub load_resource_file($) {
		3297	my $guard = lock_acquire "load_resource_file";
		3298
		3299	my $status = load_resource_file_ $_[0];
		3300	get_slot 0.1, 100;
		3301	cf::arch::commit_load;
		3302
		3303	$status
		3304	}
		3305
2797	sub reload_regions {	3306	sub reload_regions {
		3307	# HACK to clear player env face cache, we need some signal framework
		3308	# for this (global event?)
		3309	%ext::player_env::MUSIC_FACE_CACHE = ();
		3310
2798	load_resource_file "$MAPDIR/regions"	3311	load_resource_file "$MAPDIR/regions"
2799	or die "unable to load regions file\n";	3312	or die "unable to load regions file\n";
2800		3313
2801	for (cf::region::list) {	3314	for (cf::region::list) {
2802	$_->{match} = qr/$_->{match}/	3315	$_->{match} = qr/$_->{match}/
…		…
2810	}	3323	}
2811		3324
2812	sub reload_archetypes {	3325	sub reload_archetypes {
2813	load_resource_file "$DATADIR/archetypes"	3326	load_resource_file "$DATADIR/archetypes"
2814	or die "unable to load archetypes\n";	3327	or die "unable to load archetypes\n";
2815	#d# NEED to laod twice to resolve forward references
2816	# this really needs to be done in an extra post-pass
2817	# (which needs to be synchronous, so solve it differently)
2818	load_resource_file "$DATADIR/archetypes"
2819	or die "unable to load archetypes\n";
2820	}	3328	}
2821		3329
2822	sub reload_treasures {	3330	sub reload_treasures {
2823	load_resource_file "$DATADIR/treasures"	3331	load_resource_file "$DATADIR/treasures"
2824	or die "unable to load treasurelists\n";	3332	or die "unable to load treasurelists\n";
2825	}	3333	}
2826		3334
2827	sub reload_resources {	3335	sub reload_resources {
2828	warn "reloading resource files...\n";	3336	warn "reloading resource files...\n";
2829		3337
		3338	reload_facedata;
		3339	reload_archetypes;
2830	reload_regions;	3340	reload_regions;
2831	reload_facedata;
2832	#reload_archetypes;#d#
2833	reload_archetypes;
2834	reload_treasures;	3341	reload_treasures;
2835		3342
2836	warn "finished reloading resource files\n";	3343	warn "finished reloading resource files\n";
2837	}	3344	}
2838		3345
2839	sub init {	3346	sub init {
		3347	my $guard = freeze_mainloop;
		3348
		3349	evthread_start IO::AIO::poll_fileno;
		3350
2840	reload_resources;	3351	reload_resources;
2841	}	3352	}
2842		3353
2843	sub cfg_load {	3354	sub reload_config {
2844	open my $fh, "<:utf8", "$CONFDIR/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2845	or return;	3356	or return;
2846		3357
2847	local $/;	3358	local $/;
2848	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2849		3360
2850	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2851		3362
2852	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3363	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2853	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2859	};	3370	};
2860	warn $@ if $@;	3371	warn $@ if $@;
2861	}	3372	}
2862	}	3373	}
2863		3374
		3375	sub pidfile() {
		3376	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
		3392	}
		3393
2864	sub main {	3394	sub main {
		3395	atomic;
		3396
2865	# we must not ever block the main coroutine	3397	# we must not ever block the main coroutine
2866	local $Coro::idle = sub {	3398	local $Coro::idle = sub {
2867	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3399	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2868	(async {	3400	(async {
2869	Event::one_event;	3401	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3402	EV::loop EV::LOOP_ONESHOT;
2870	})->prio (Coro::PRIO_MAX);	3403	})->prio (Coro::PRIO_MAX);
2871	};	3404	};
2872		3405
2873	cfg_load;	3406	{
		3407	my $guard = freeze_mainloop;
		3408	reload_config;
2874	db_init;	3409	db_init;
2875	load_extensions;	3410	load_extensions;
2876		3411
2877	$TICK_WATCHER->start;	3412	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3413	}
		3414
		3415	utime time, time, $RUNTIMEFILE;
		3416
		3417	# no (long-running) fork's whatsoever before this point(!)
		3418	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3419
2878	Event::loop;	3420	EV::loop;
2879	}	3421	}
2880		3422
2881	#############################################################################	3423	#############################################################################
2882	# initialisation and cleanup	3424	# initialisation and cleanup
2883		3425
2884	# install some emergency cleanup handlers	3426	# install some emergency cleanup handlers
2885	BEGIN {	3427	BEGIN {
		3428	our %SIGWATCHER = ();
2886	for my $signal (qw(INT HUP TERM)) {	3429	for my $signal (qw(INT HUP TERM)) {
2887	Event->signal (	3430	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2888	reentrant => 0,
2889	data => WF_AUTOCANCEL,
2890	signal => $signal,
2891	prio => 0,
2892	cb => sub {
2893	cf::cleanup "SIG$signal";	3431	cf::cleanup "SIG$signal";
2894	},
2895	);	3432	};
2896	}	3433	}
2897	}	3434	}
2898		3435
2899	sub write_runtime {	3436	sub write_runtime_sync {
2900	my $runtime = "$LOCALDIR/runtime";
2901
2902	# first touch the runtime file to show we are still running:	3437	# first touch the runtime file to show we are still running:
2903	# the fsync below can take a very very long time.	3438	# the fsync below can take a very very long time.
2904		3439
2905	IO::AIO::aio_utime $runtime, undef, undef;	3440	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2906		3441
2907	my $guard = cf::lock_acquire "write_runtime";	3442	my $guard = cf::lock_acquire "write_runtime";
2908		3443
2909	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3444	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2910	or return;	3445	or return;
2911		3446
2912	my $value = $cf::RUNTIME + 90 + 10;	3447	my $value = $cf::RUNTIME + 90 + 10;
2913	# 10 is the runtime save interval, for a monotonic clock	3448	# 10 is the runtime save interval, for a monotonic clock
2914	# 60 allows for the watchdog to kill the server.	3449	# 60 allows for the watchdog to kill the server.
…		…
2924	aio_utime $fh, undef, undef;	3459	aio_utime $fh, undef, undef;
2925		3460
2926	close $fh	3461	close $fh
2927	or return;	3462	or return;
2928		3463
2929	aio_rename "$runtime~", $runtime	3464	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2930	and return;	3465	and return;
2931		3466
2932	warn "runtime file written.\n";	3467	warn "runtime file written.\n";
2933		3468
2934	1	3469	1
		3470	}
		3471
		3472	our $uuid_lock;
		3473	our $uuid_skip;
		3474
		3475	sub write_uuid_sync($) {
		3476	$uuid_skip ||= $_[0];
		3477
		3478	return if $uuid_lock;
		3479	local $uuid_lock = 1;
		3480
		3481	my $uuid = "$LOCALDIR/uuid";
		3482
		3483	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3484	or return;
		3485
		3486	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3487	$uuid_skip = 0;
		3488
		3489	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3490	and return;
		3491
		3492	# always fsync - this file is important
		3493	aio_fsync $fh
		3494	and return;
		3495
		3496	close $fh
		3497	or return;
		3498
		3499	aio_rename "$uuid~", $uuid
		3500	and return;
		3501
		3502	warn "uuid file written ($value).\n";
		3503
		3504	1
		3505
		3506	}
		3507
		3508	sub write_uuid($$) {
		3509	my ($skip, $sync) = @_;
		3510
		3511	$sync ? write_uuid_sync $skip
		3512	: async { write_uuid_sync $skip };
2935	}	3513	}
2936		3514
2937	sub emergency_save() {	3515	sub emergency_save() {
2938	my $freeze_guard = cf::freeze_mainloop;	3516	my $freeze_guard = cf::freeze_mainloop;
2939		3517
…		…
2945	# and maps saved/destroyed asynchronously.	3523	# and maps saved/destroyed asynchronously.
2946	warn "begin emergency player save\n";	3524	warn "begin emergency player save\n";
2947	for my $login (keys %cf::PLAYER) {	3525	for my $login (keys %cf::PLAYER) {
2948	my $pl = $cf::PLAYER{$login} or next;	3526	my $pl = $cf::PLAYER{$login} or next;
2949	$pl->valid or next;	3527	$pl->valid or next;
		3528	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2950	$pl->save;	3529	$pl->save;
2951	}	3530	}
2952	warn "end emergency player save\n";	3531	warn "end emergency player save\n";
2953		3532
2954	warn "begin emergency map save\n";	3533	warn "begin emergency map save\n";
…		…
2960	warn "end emergency map save\n";	3539	warn "end emergency map save\n";
2961		3540
2962	warn "begin emergency database checkpoint\n";	3541	warn "begin emergency database checkpoint\n";
2963	BDB::db_env_txn_checkpoint $DB_ENV;	3542	BDB::db_env_txn_checkpoint $DB_ENV;
2964	warn "end emergency database checkpoint\n";	3543	warn "end emergency database checkpoint\n";
		3544
		3545	warn "begin write uuid\n";
		3546	write_uuid_sync 1;
		3547	warn "end write uuid\n";
2965	};	3548	};
2966		3549
2967	warn "leave emergency perl save\n";	3550	warn "leave emergency perl save\n";
2968	}	3551	}
2969		3552
2970	sub post_cleanup {	3553	sub post_cleanup {
2971	my ($make_core) = @_;	3554	my ($make_core) = @_;
2972		3555
2973	warn Carp::longmess "post_cleanup backtrace"	3556	warn Carp::longmess "post_cleanup backtrace"
2974	if $make_core;	3557	if $make_core;
		3558
		3559	my $fh = pidfile;
		3560	unlink $PIDFILE if <$fh> == $$;
		3561	}
		3562
		3563	# a safer delete_package, copied from Symbol
		3564	sub clear_package($) {
		3565	my $pkg = shift;
		3566
		3567	# expand to full symbol table name if needed
		3568	unless ($pkg =~ /^main::.*::$/) {
		3569	$pkg = "main$pkg" if $pkg =~ /^::/;
		3570	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3571	$pkg .= '::' unless $pkg =~ /::$/;
		3572	}
		3573
		3574	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3575	my $stem_symtab = *{$stem}{HASH};
		3576
		3577	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3578	or return;
		3579
		3580	# clear all symbols
		3581	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3582	for my $name (keys %$leaf_symtab) {
		3583	_gv_clear *{"$pkg$name"};
		3584	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3585	}
		3586	warn "cleared package $pkg\n";#d#
2975	}	3587	}
2976		3588
2977	sub do_reload_perl() {	3589	sub do_reload_perl() {
2978	# can/must only be called in main	3590	# can/must only be called in main
2979	if ($Coro::current != $Coro::main) {	3591	if ($Coro::current != $Coro::main) {
2980	warn "can only reload from main coroutine";	3592	warn "can only reload from main coroutine";
2981	return;	3593	return;
2982	}	3594	}
2983		3595
		3596	return if $RELOAD++;
		3597
		3598	while ($RELOAD) {
2984	warn "reloading...";	3599	warn "reloading...";
2985		3600
2986	warn "entering sync_job";	3601	warn "entering sync_job";
2987		3602
2988	cf::sync_job {	3603	cf::sync_job {
2989	cf::write_runtime; # external watchdog should not bark	3604	cf::write_runtime_sync; # external watchdog should not bark
2990	cf::emergency_save;	3605	cf::emergency_save;
2991	cf::write_runtime; # external watchdog should not bark	3606	cf::write_runtime_sync; # external watchdog should not bark
2992		3607
2993	warn "syncing database to disk";	3608	warn "syncing database to disk";
2994	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2995		3610
2996	# if anything goes wrong in here, we should simply crash as we already saved	3611	# if anything goes wrong in here, we should simply crash as we already saved
2997		3612
2998	warn "cancelling all WF_AUTOCANCEL watchers";
2999	for (Event::all_watchers) {
3000	$_->cancel if $_->data & WF_AUTOCANCEL;
3001	}
3002
3003	warn "flushing outstanding aio requests";	3613	warn "flushing outstanding aio requests";
3004	for (;;) {
3005	BDB::flush;
3006	IO::AIO::flush;
3007	Coro::cede;
3008	last unless IO::AIO::nreqs || BDB::nreqs;	3614	while (IO::AIO::nreqs || BDB::nreqs) {
3009	warn "iterate...";	3615	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3010	}
3011
3012	++$RELOAD;
3013
3014	warn "cancelling all extension coros";
3015	$_->cancel for values %EXT_CORO;
3016	%EXT_CORO = ();
3017
3018	warn "removing commands";
3019	%COMMAND = ();
3020
3021	warn "removing ext/exti commands";
3022	%EXTCMD = ();
3023	%EXTICMD = ();
3024
3025	warn "unloading/nuking all extensions";
3026	for my $pkg (@EXTS) {
3027	warn "... unloading $pkg";
3028
3029	if (my $cb = $pkg->can ("unload")) {
3030	eval {
3031	$cb->($pkg);
3032	1
3033	} or warn "$pkg unloaded, but with errors: $@";
3034	}	3616	}
3035		3617
3036	warn "... nuking $pkg";	3618	warn "cancelling all extension coros";
3037	Symbol::delete_package $pkg;	3619	$_->cancel for values %EXT_CORO;
3038	}	3620	%EXT_CORO = ();
3039		3621
3040	warn "unloading all perl modules loaded from $LIBDIR";	3622	warn "removing commands";
3041	while (my ($k, $v) = each %INC) {	3623	%COMMAND = ();
3042	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3043		3624
		3625	warn "removing ext/exti commands";
		3626	%EXTCMD = ();
		3627	%EXTICMD = ();
		3628
		3629	warn "unloading/nuking all extensions";
		3630	for my $pkg (@EXTS) {
3044	warn "... unloading $k";	3631	warn "... unloading $pkg";
3045	delete $INC{$k};
3046		3632
3047	$k =~ s/\.pm$//;
3048	$k =~ s/\//::/g;
3049
3050	if (my $cb = $k->can ("unload_module")) {	3633	if (my $cb = $pkg->can ("unload")) {
		3634	eval {
3051	$cb->();	3635	$cb->($pkg);
		3636	1
		3637	} or warn "$pkg unloaded, but with errors: $@";
		3638	}
		3639
		3640	warn "... clearing $pkg";
		3641	clear_package $pkg;
3052	}	3642	}
3053		3643
3054	Symbol::delete_package $k;	3644	warn "unloading all perl modules loaded from $LIBDIR";
		3645	while (my ($k, $v) = each %INC) {
		3646	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3647
		3648	warn "... unloading $k";
		3649	delete $INC{$k};
		3650
		3651	$k =~ s/\.pm$//;
		3652	$k =~ s/\//::/g;
		3653
		3654	if (my $cb = $k->can ("unload_module")) {
		3655	$cb->();
		3656	}
		3657
		3658	clear_package $k;
3055	}	3659	}
3056		3660
3057	warn "getting rid of safe::, as good as possible";	3661	warn "getting rid of safe::, as good as possible";
3058	Symbol::delete_package "safe::$_"	3662	clear_package "safe::$_"
3059	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3663	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3060		3664
3061	warn "unloading cf.pm \"a bit\"";	3665	warn "unloading cf.pm \"a bit\"";
3062	delete $INC{"cf.pm"};	3666	delete $INC{"cf.pm"};
3063	delete $INC{"cf/pod.pm"};	3667	delete $INC{"cf/pod.pm"};
3064		3668
3065	# don't, removes xs symbols, too,	3669	# don't, removes xs symbols, too,
3066	# and global variables created in xs	3670	# and global variables created in xs
3067	#Symbol::delete_package __PACKAGE__;	3671	#clear_package __PACKAGE__;
3068		3672
3069	warn "unload completed, starting to reload now";	3673	warn "unload completed, starting to reload now";
3070		3674
3071	warn "reloading cf.pm";	3675	warn "reloading cf.pm";
3072	require cf;	3676	require cf;
3073	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3677	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3074		3678
3075	warn "loading config and database again";	3679	warn "loading config and database again";
3076	cf::cfg_load;	3680	cf::reload_config;
3077		3681
3078	warn "loading extensions";	3682	warn "loading extensions";
3079	cf::load_extensions;	3683	cf::load_extensions;
3080		3684
3081	warn "reattaching attachments to objects/players";	3685	warn "reattaching attachments to objects/players";
3082	_global_reattach; # objects, sockets	3686	_global_reattach; # objects, sockets
3083	warn "reattaching attachments to maps";	3687	warn "reattaching attachments to maps";
3084	reattach $_ for values %MAP;	3688	reattach $_ for values %MAP;
3085	warn "reattaching attachments to players";	3689	warn "reattaching attachments to players";
3086	reattach $_ for values %PLAYER;	3690	reattach $_ for values %PLAYER;
3087		3691
3088	warn "leaving sync_job";	3692	warn "leaving sync_job";
3089		3693
3090	1	3694	1
3091	} or do {	3695	} or do {
3092	warn $@;	3696	warn $@;
3093	warn "error while reloading, exiting.";	3697	cf::cleanup "error while reloading, exiting.";
3094	exit 1;
3095	};	3698	};
3096		3699
3097	warn "reloaded";	3700	warn "reloaded";
		3701	--$RELOAD;
		3702	}
3098	};	3703	};
3099		3704
3100	our $RELOAD_WATCHER; # used only during reload	3705	our $RELOAD_WATCHER; # used only during reload
3101		3706
3102	sub reload_perl() {	3707	sub reload_perl() {
3103	# doing reload synchronously and two reloads happen back-to-back,	3708	# doing reload synchronously and two reloads happen back-to-back,
3104	# coro crashes during coro_state_free->destroy here.	3709	# coro crashes during coro_state_free->destroy here.
3105		3710
3106	$RELOAD_WATCHER ||= Event->timer (	3711	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
3107	reentrant => 0,
3108	after => 0,
3109	data => WF_AUTOCANCEL,
3110	cb => sub {
3111	do_reload_perl;	3712	do_reload_perl;
3112	undef $RELOAD_WATCHER;	3713	undef $RELOAD_WATCHER;
3113	},
3114	);	3714	};
3115	}	3715	}
3116		3716
3117	register_command "reload" => sub {	3717	register_command "reload" => sub {
3118	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
3119		3719
3120	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
3121	$who->message ("reloading server.");	3721	$who->message ("reloading server.");
		3722	async {
		3723	$Coro::current->{desc} = "perl_reload";
3122	async { reload_perl };	3724	reload_perl;
		3725	};
3123	}	3726	}
3124	};	3727	};
3125		3728
3126	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
3127		3730
…		…
3129		3732
3130	our @WAIT_FOR_TICK;	3733	our @WAIT_FOR_TICK;
3131	our @WAIT_FOR_TICK_BEGIN;	3734	our @WAIT_FOR_TICK_BEGIN;
3132		3735
3133	sub wait_for_tick {	3736	sub wait_for_tick {
3134	return unless $TICK_WATCHER->is_active;
3135	return if $Coro::current == $Coro::main;	3737	return if tick_inhibit || $Coro::current == $Coro::main;
3136		3738
3137	my $signal = new Coro::Signal;	3739	my $signal = new Coro::Signal;
3138	push @WAIT_FOR_TICK, $signal;	3740	push @WAIT_FOR_TICK, $signal;
3139	$signal->wait;	3741	$signal->wait;
3140	}	3742	}
3141		3743
3142	sub wait_for_tick_begin {	3744	sub wait_for_tick_begin {
3143	return unless $TICK_WATCHER->is_active;
3144	return if $Coro::current == $Coro::main;	3745	return if tick_inhibit || $Coro::current == $Coro::main;
3145		3746
3146	my $signal = new Coro::Signal;	3747	my $signal = new Coro::Signal;
3147	push @WAIT_FOR_TICK_BEGIN, $signal;	3748	push @WAIT_FOR_TICK_BEGIN, $signal;
3148	$signal->wait;	3749	$signal->wait;
3149	}	3750	}
3150		3751
3151	my $min = 1e6;#d#	3752	sub tick {
3152	my $avg = 10;
3153	$TICK_WATCHER = Event->timer (
3154	reentrant => 0,
3155	parked => 1,
3156	prio => 0,
3157	at => $NEXT_TICK || $TICK,
3158	data => WF_AUTOCANCEL,
3159	cb => sub {
3160	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
3161	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3162	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
3163	return;	3756	return;
3164	}	3757	}
3165		3758
3166	$NOW = $tick_start = Event::time;
3167
3168	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
3169		3760
3170	0 && sync_job {#d#	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3171	for(1..10) {	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3172	my $t = Event::time;	3763	Coro::async_pool {
3173	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3764	$Coro::current->{desc} = "runtime saver";
3174	or die;	3765	write_runtime_sync
3175		3766	or warn "ERROR: unable to write runtime file: $!";
3176	$map->width (50);
3177	$map->height (50);
3178	$map->alloc;
3179	$map->_load_objects ("/tmp/x.map", 1);
3180	my $t = Event::time - $t;
3181
3182	#next unless $t < 0.0013;#d#
3183	if ($t < $min) {
3184	$min = $t;
3185	}
3186	$avg = $avg * 0.99 + $t * 0.01;
3187	}
3188	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3189	exit 0;
3190	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3191	};	3767	};
		3768	}
3192		3769
3193	$RUNTIME += $TICK;
3194	$NEXT_TICK += $TICK;
3195
3196	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3197	$NEXT_RUNTIME_WRITE = $NOW + 10;
3198	Coro::async_pool {
3199	write_runtime
3200	or warn "ERROR: unable to write runtime file: $!";
3201	};
3202	}
3203
3204	# my $AFTER = Event::time;
3205	# warn $AFTER - $NOW;#d#
3206
3207	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3208	$sig->send;	3771	$sig->send;
3209	}	3772	}
3210	while (my $sig = shift @WAIT_FOR_TICK) {	3773	while (my $sig = shift @WAIT_FOR_TICK) {
3211	$sig->send;	3774	$sig->send;
3212	}	3775	}
3213		3776
3214	$NOW = Event::time;	3777	$LOAD = ($NOW - $TICK_START) / $TICK;
3215
3216	# if we are delayed by four ticks or more, skip them all
3217	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3218
3219	$TICK_WATCHER->at ($NEXT_TICK);
3220	$TICK_WATCHER->start;
3221
3222	$LOAD = ($NOW - $tick_start) / $TICK;
3223	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3224		3779
3225	_post_tick;	3780	if (0) {
3226		3781	if ($NEXT_TICK) {
3227		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
		3785	}
3228	},	3786	}
3229	);	3787	}
3230		3788
3231	{	3789	{
3232	BDB::max_poll_time $TICK * 0.1;	3790	# configure BDB
3233	$BDB_POLL_WATCHER = Event->io (	3791
3234	reentrant => 0,
3235	fd => BDB::poll_fileno,
3236	poll => 'r',
3237	prio => 0,
3238	data => WF_AUTOCANCEL,
3239	cb => \&BDB::poll_cb,
3240	);
3241	BDB::min_parallel 8;	3792	BDB::min_parallel 8;
3242		3793	BDB::max_poll_reqs $TICK * 0.1;
3243	BDB::set_sync_prepare {	3794	$AnyEvent::BDB::WATCHER->priority (1);
3244	my $status;
3245	my $current = $Coro::current;
3246	(
3247	sub {
3248	$status = $!;
3249	$current->ready; undef $current;
3250	},
3251	sub {
3252	Coro::schedule while defined $current;
3253	$! = $status;
3254	},
3255	)
3256	};
3257		3795
3258	unless ($DB_ENV) {	3796	unless ($DB_ENV) {
3259	$DB_ENV = BDB::db_env_create;	3797	$DB_ENV = BDB::db_env_create;
		3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3799	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3800	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3801	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3802	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3260		3803
3261	cf::sync_job {	3804	cf::sync_job {
3262	eval {	3805	eval {
3263	BDB::db_env_open	3806	BDB::db_env_open
3264	$DB_ENV,	3807	$DB_ENV,
…		…
3266	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3809	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3267	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3810	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3268	0666;	3811	0666;
3269		3812
3270	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3813	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3271
3272	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3273	$DB_ENV->set_lk_detect;
3274	};	3814	};
3275		3815
3276	cf::cleanup "db_env_open(db): $@" if $@;	3816	cf::cleanup "db_env_open(db): $@" if $@;
3277	};	3817	};
3278	}	3818	}
		3819
		3820	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3821	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3822	};
		3823	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3824	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3825	};
		3826	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3827	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3828	};
3279	}	3829	}
3280		3830
3281	{	3831	{
		3832	# configure IO::AIO
		3833
3282	IO::AIO::min_parallel 8;	3834	IO::AIO::min_parallel 8;
3283
3284	undef $Coro::AIO::WATCHER;
3285	IO::AIO::max_poll_time $TICK * 0.1;	3835	IO::AIO::max_poll_time $TICK * 0.1;
3286	$AIO_POLL_WATCHER = Event->io (	3836	undef $AnyEvent::AIO::WATCHER;
3287	reentrant => 0,
3288	data => WF_AUTOCANCEL,
3289	fd => IO::AIO::poll_fileno,
3290	poll => 'r',
3291	prio => 6,
3292	cb => \&IO::AIO::poll_cb,
3293	);
3294	}	3837	}
3295		3838
3296	my $_log_backtrace;	3839	my $_log_backtrace;
3297		3840
3298	sub _log_backtrace {	3841	sub _log_backtrace {
…		…
3301	$msg =~ s/\n//;	3844	$msg =~ s/\n//;
3302		3845
3303	# limit the # of concurrent backtraces	3846	# limit the # of concurrent backtraces
3304	if ($_log_backtrace < 2) {	3847	if ($_log_backtrace < 2) {
3305	++$_log_backtrace;	3848	++$_log_backtrace;
		3849	my $perl_bt = Carp::longmess $msg;
3306	async {	3850	async {
		3851	$Coro::current->{desc} = "abt $msg";
		3852
3307	my @bt = fork_call {	3853	my @bt = fork_call {
3308	@addr = map { sprintf "%x", $_ } @addr;	3854	@addr = map { sprintf "%x", $_ } @addr;
3309	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3855	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3310	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3856	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3311	or die "addr2line: $!";	3857	or die "addr2line: $!";
…		…
3319	}	3865	}
3320		3866
3321	@funcs	3867	@funcs
3322	};	3868	};
3323		3869
3324	LOG llevInfo, "[ABT] $msg\n";	3870	LOG llevInfo, "[ABT] $perl_bt\n";
		3871	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3325	LOG llevInfo, "[ABT] $_\n" for @bt;	3872	LOG llevInfo, "[ABT] $_\n" for @bt;
3326	--$_log_backtrace;	3873	--$_log_backtrace;
3327	};	3874	};
3328	} else {	3875	} else {
3329	LOG llevInfo, "[ABT] $msg\n";	3876	LOG llevInfo, "[ABT] $msg\n";

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