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Revision 1.295 by root, Wed Jul 4 05:08:15 2007 UTC vs.
Revision 1.449 by root, Sat Sep 20 00:09:27 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;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
34		63
35	# configure various modules to our taste	64	# configure various modules to our taste
36	#	65	#
37	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
38	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";
39	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
40
41	$Event::Eval = 1; # no idea why this is required, but it is
42
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		74
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		76
50	our %COMMAND = ();	77	our %COMMAND = ();
51	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
…		…
57	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
58		85
59	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far
60	our @EVENT;	87	our @EVENT;
61		88
62	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	90	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
73		104
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	107	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	113	our $DB_ENV;
84		114
85	our %CFG;	115	our %CFG;
86		116
87	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
89		120
90	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
93		124
94	# 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 ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		127
97	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)
98	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
100		132
101	binmode STDOUT;	133	binmode STDOUT;
102	binmode STDERR;	134	binmode STDERR;
103		135
104	# read virtual server time, if available	136	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	138	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
109	}	141	}
110		142
111	mkdir $_	143	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
157		189
158	The raw value load value from the last tick.	190	The raw value load value from the last tick.
159		191
160	=item %cf::CFG	192	=item %cf::CFG
161		193
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	195	from wherever your confdir points to.
164		196
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		198
167	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
168	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
169	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.
170		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
171	=back	209	=back
172		210
173	=cut	211	=cut
174		212
175	BEGIN {	213	BEGIN {
…		…
179	$msg .= "\n"	217	$msg .= "\n"
180	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
181		219
182	$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;
183		221
184	utf8::encode $msg;
185	LOG llevError, $msg;	222	LOG llevError, $msg;
186	};	223	};
187	}	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#?
188		240
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	251	for my $pkg (qw(
200	cf::global cf::attachable	252	cf::global cf::attachable
201	cf::object cf::object::player	253	cf::object cf::object::player
202	cf::client cf::player	254	cf::client cf::player
203	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
204	cf::map cf::party cf::region	257	cf::party cf::region
205	)) {	258	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	260	}
209		261
210	$Event::DIED = sub {	262	$EV::DIED = sub {
211	warn "error in event callback: @_";	263	warn "error in event callback: @_";
212	};	264	};
213		265
214	#############################################################################	266	#############################################################################
215		267
…		…
238	$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;
239	$d	291	$d
240	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
241	}	293	}
242		294
243	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
244		296
245	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
246		298
247	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
248		300
249	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
250		302
251	=cut	303	=cut
252		304
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		306
255	sub to_json ($) { $json_coder->encode ($_[0]) }	307	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	308	sub decode_json($) { $json_coder->decode ($_[0]) }
257		309
258	=item cf::lock_wait $string	310	=item cf::lock_wait $string
259		311
260	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
261		313
…		…
264	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
265	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,
266	for example when the coroutine gets canceled), the lock is automatically	318	for example when the coroutine gets canceled), the lock is automatically
267	returned.	319	returned.
268		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
269	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
270	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
271		326
272	=item $locked = cf::lock_active $string	327	=item $locked = cf::lock_active $string
273		328
274	Return true if the lock is currently active, i.e. somebody has locked it.	329	Return true if the lock is currently active, i.e. somebody has locked it.
275		330
276	=cut	331	=cut
277		332
278	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
279		335
280	sub lock_wait($) {	336	sub lock_wait($) {
281	my ($key) = @_;	337	my ($key) = @_;
		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
282		343
283	# wait for lock, if any	344	# wait for lock, if any
284	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;	346	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;	347	Coro::schedule;
…		…
292		353
293	# wait, to be sure we are not locked	354	# wait, to be sure we are not locked
294	lock_wait $key;	355	lock_wait $key;
295		356
296	$LOCK{$key} = [];	357	$LOCK{$key} = [];
		358	$LOCKER{$key} = $Coro::current;#d#
297		359
298	Coro::guard {	360	Coro::guard {
		361	delete $LOCKER{$key};#d#
299	# wake up all waiters, to be on the safe side	362	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };	363	$_->ready for @{ delete $LOCK{$key} };
301	}	364	}
302	}	365	}
303		366
…		…
306		369
307	! ! $LOCK{$key}	370	! ! $LOCK{$key}
308	}	371	}
309		372
310	sub freeze_mainloop {	373	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	374	tick_inhibit_inc;
312		375
313	my $guard = Coro::guard {	376	Coro::guard \&tick_inhibit_dec;
314	$TICK_WATCHER->start;	377	}
		378
		379	=item cf::periodic $interval, $cb
		380
		381	Like EV::periodic, but randomly selects a starting point so that the actions
		382	get spread over timer.
		383
		384	=cut
		385
		386	sub periodic($$) {
		387	my ($interval, $cb) = @_;
		388
		389	my $start = rand List::Util::min 180, $interval;
		390
		391	EV::periodic $start, $interval, 0, $cb
		392	}
		393
		394	=item cf::get_slot $time[, $priority[, $name]]
		395
		396	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		397	This call blocks and returns only when you have at least C<$time> seconds
		398	of cpu time till the next tick. The slot is only valid till the next cede.
		399
		400	The optional C<$name> can be used to identify the job to run. It might be
		401	used for statistical purposes and should identify the same time-class.
		402
		403	Useful for short background jobs.
		404
		405	=cut
		406
		407	our @SLOT_QUEUE;
		408	our $SLOT_QUEUE;
		409
		410	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		411	$SLOT_QUEUE = Coro::async {
		412	$Coro::current->desc ("timeslot manager");
		413
		414	my $signal = new Coro::Signal;
		415
		416	while () {
		417	next_job:
		418	my $avail = cf::till_tick;
		419	if ($avail > 0.01) {
		420	for (0 .. $#SLOT_QUEUE) {
		421	if ($SLOT_QUEUE[$_][0] < $avail) {
		422	my $job = splice @SLOT_QUEUE, $_, 1, ();
		423	$job->[2]->send;
		424	Coro::cede;
		425	goto next_job;
		426	}
		427	}
		428	}
		429
		430	if (@SLOT_QUEUE) {
		431	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		432	push @cf::WAIT_FOR_TICK, $signal;
		433	$signal->wait;
		434	} else {
		435	Coro::schedule;
		436	}
315	};	437	}
316	$TICK_WATCHER->stop;	438	};
317	$guard	439
		440	sub get_slot($;$$) {
		441	return if tick_inhibit || $Coro::current == $Coro::main;
		442
		443	my ($time, $pri, $name) = @_;
		444
		445	$time = $TICK * .6 if $time > $TICK * .6;
		446	my $sig = new Coro::Signal;
		447
		448	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		449	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		450	$SLOT_QUEUE->ready;
		451	$sig->wait;
318	}	452	}
319		453
320	=item cf::async { BLOCK }	454	=item cf::async { BLOCK }
321		455
322	Currently the same as Coro::async_pool, meaning you cannot use	456	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		461
328	BEGIN { *async = \&Coro::async_pool }	462	BEGIN { *async = \&Coro::async_pool }
329		463
330	=item cf::sync_job { BLOCK }	464	=item cf::sync_job { BLOCK }
331		465
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	466	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	467	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	468	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	469	acceptable.
336		470
337	If it must be done, put the blocking parts into C<sync_job>. This will run	471	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	472	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		477
344	sub sync_job(&) {	478	sub sync_job(&) {
345	my ($job) = @_;	479	my ($job) = @_;
346		480
347	if ($Coro::current == $Coro::main) {	481	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	482	my $time = EV::time;
349		483
350	# this is the main coro, too bad, we have to block	484	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	485	# till the operation succeeds, freezing the server :/
352		486
353	# TODO: use suspend/resume instead	487	LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	488
355	my $freeze_guard = freeze_mainloop;	489	my $freeze_guard = freeze_mainloop;
356		490
357	my $busy = 1;	491	my $busy = 1;
358	my @res;	492	my @res;
359		493
360	(async {	494	(async {
		495	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	496	@res = eval { $job->() };
362	warn $@ if $@;	497	warn $@ if $@;
363	undef $busy;	498	undef $busy;
364	})->prio (Coro::PRIO_MAX);	499	})->prio (Coro::PRIO_MAX);
365		500
366	while ($busy) {	501	while ($busy) {
367	Coro::cede or Event::one_event;	502	if (Coro::nready) {
		503	Coro::cede_notself;
		504	} else {
		505	EV::loop EV::LOOP_ONESHOT;
368	}	506	}
		507	}
369		508
370	$time = Event::time - $time;	509	my $time = EV::time - $time;
371		510
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	511	$TICK_START += $time; # do not account sync jobs to server load
376		512
377	wantarray ? @res : $res[0]	513	wantarray ? @res : $res[0]
378	} else {	514	} else {
379	# we are in another coroutine, how wonderful, everything just works	515	# we are in another coroutine, how wonderful, everything just works
380		516
…		…
405	=item fork_call { }, $args	541	=item fork_call { }, $args
406		542
407	Executes the given code block with the given arguments in a seperate	543	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	544	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	545	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	546	never block itself or use any form of event handling.
411		547
412	=cut	548	=cut
413		549
414	sub fork_call(&@) {	550	sub fork_call(&@) {
415	my ($cb, @args) = @_;	551	my ($cb, @args) = @_;
416		552
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	553	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	554	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	555	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		556
422	if (my $pid = fork) {	557	my @res = Coro::Util::fork_eval {
423	close $fh2;
424
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
426	$res = Coro::Storable::thaw $res;
427
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;	558	reset_signals;
435	local $SIG{__WARN__};	559	&$cb
436	local $SIG{__DIE__};	560	}, @args;
437	eval {
438	close $fh1;
439		561
440	my @res = eval { $cb->(@args) };	562	wantarray ? @res : $res[-1]
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	563	}
442	};
443		564
444	warn $@ if $@;	565	=item $coin = coin_from_name $name
445	_exit 0;	566
446	}	567	=cut
		568
		569	our %coin_alias = (
		570	"silver" => "silvercoin",
		571	"silvercoin" => "silvercoin",
		572	"silvercoins" => "silvercoin",
		573	"gold" => "goldcoin",
		574	"goldcoin" => "goldcoin",
		575	"goldcoins" => "goldcoin",
		576	"platinum" => "platinacoin",
		577	"platinumcoin" => "platinacoin",
		578	"platinumcoins" => "platinacoin",
		579	"platina" => "platinacoin",
		580	"platinacoin" => "platinacoin",
		581	"platinacoins" => "platinacoin",
		582	"royalty" => "royalty",
		583	"royalties" => "royalty",
		584	);
		585
		586	sub coin_from_name($) {
		587	$coin_alias{$_[0]}
		588	? cf::arch::find $coin_alias{$_[0]}
		589	: undef
447	}	590	}
448		591
449	=item $value = cf::db_get $family => $key	592	=item $value = cf::db_get $family => $key
450		593
451	Returns a single value from the environment database.	594	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	596	=item cf::db_put $family => $key => $value
454		597
455	Stores the given C<$value> in the family. It can currently store binary	598	Stores the given C<$value> in the family. It can currently store binary
456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	599	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		600
		601	=item $db = cf::db_table "name"
		602
		603	Create and/or open a new database table. The string must not be "db" and must be unique
		604	within each server.
		605
458	=cut	606	=cut
		607
		608	sub db_table($) {
		609	my ($name) = @_;
		610	my $db = BDB::db_create $DB_ENV;
		611
		612	eval {
		613	$db->set_flags (BDB::CHKSUM);
		614
		615	utf8::encode $name;
		616	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		617	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		618	cf::cleanup "db_open(db): $!" if $!;
		619	};
		620	cf::cleanup "db_open(db): $@" if $@;
		621
		622	$db
		623	}
459		624
460	our $DB;	625	our $DB;
461		626
462	sub db_init {	627	sub db_init {
463	unless ($DB) {
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {	628	cf::sync_job {
467	eval {	629	$DB ||= db_table "db";
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}	630	};
477	}	631	}
478		632
479	sub db_get($$) {	633	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	634	my $key = "$_[0]/$_[1]";
481		635
…		…
531	if (1) {	685	if (1) {
532	$md5 =	686	$md5 =
533	join "\x00",	687	join "\x00",
534	$processversion,	688	$processversion,
535	map {	689	map {
536	Coro::cede;	690	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	691	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	692	} 0.. $#$src;
539		693
540		694
541	my $dbmd5 = db_get cache => "$id/md5";	695	my $dbmd5 = db_get cache => "$id/md5";
…		…
579		733
580	#############################################################################	734	#############################################################################
581		735
582	=head2 ATTACHABLE OBJECTS	736	=head2 ATTACHABLE OBJECTS
583		737
584	Many objects in crossfire are so-called attachable objects. That means you can	738	Many objects in deliantra are so-called attachable objects. That means you can
585	attach callbacks/event handlers (a collection of which is called an "attachment")	739	attach callbacks/event handlers (a collection of which is called an "attachment")
586	to it. All such attachable objects support the following methods.	740	to it. All such attachable objects support the following methods.
587		741
588	In the following description, CLASS can be any of C<global>, C<object>	742	In the following description, CLASS can be any of C<global>, C<object>
589	C<player>, C<client> or C<map> (i.e. the attachable objects in	743	C<player>, C<client> or C<map> (i.e. the attachable objects in
590	Crossfire TRT).	744	Deliantra).
591		745
592	=over 4	746	=over 4
593		747
594	=item $attachable->attach ($attachment, key => $value...)	748	=item $attachable->attach ($attachment, key => $value...)
595		749
…		…
639	=item cf::CLASS::attachment $name, ...	793	=item cf::CLASS::attachment $name, ...
640		794
641	Register an attachment by C<$name> through which attachable objects of the	795	Register an attachment by C<$name> through which attachable objects of the
642	given CLASS can refer to this attachment.	796	given CLASS can refer to this attachment.
643		797
644	Some classes such as crossfire maps and objects can specify attachments	798	Some classes such as deliantra maps and objects can specify attachments
645	that are attached at load/instantiate time, thus the need for a name.	799	that are attached at load/instantiate time, thus the need for a name.
646		800
647	These calls expect any number of the following handler/hook descriptions:	801	These calls expect any number of the following handler/hook descriptions:
648		802
649	=over 4	803	=over 4
…		…
847	";	1001	";
848	die if $@;	1002	die if $@;
849	}	1003	}
850		1004
851	our $override;	1005	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1006	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		1007
854	sub override {	1008	sub override {
855	$override = 1;	1009	$override = 1;
856	@invoke_results = ();	1010	@INVOKE_RESULTS = (@_);
857	}	1011	}
858		1012
859	sub do_invoke {	1013	sub do_invoke {
860	my $event = shift;	1014	my $event = shift;
861	my $callbacks = shift;	1015	my $callbacks = shift;
862		1016
863	@invoke_results = ();	1017	@INVOKE_RESULTS = ();
864		1018
865	local $override;	1019	local $override;
866		1020
867	for (@$callbacks) {	1021	for (@$callbacks) {
868	eval { &{$_->[1]} };	1022	eval { &{$_->[1]} };
…		…
877	}	1031	}
878		1032
879	0	1033	0
880	}	1034	}
881		1035
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1037
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1039
886	Generate an object-specific event with the given arguments.	1040	Generate an object-specific event with the given arguments.
887		1041
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1042	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889	removed in future versions), and there is no public API to access override	1043	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1044	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1045
892	=back	1046	=back
893		1047
894	=cut	1048	=cut
895		1049
896	#############################################################################	1050	#############################################################################
897	# object support	1051	# object support
		1052
		1053	sub _object_equal($$);
		1054	sub _object_equal($$) {
		1055	my ($a, $b) = @_;
		1056
		1057	return 0 unless (ref $a) eq (ref $b);
		1058
		1059	if ("HASH" eq ref $a) {
		1060	my @ka = keys %$a;
		1061	my @kb = keys %$b;
		1062
		1063	return 0 if @ka != @kb;
		1064
		1065	for (0 .. $#ka) {
		1066	return 0 unless $ka[$_] eq $kb[$_];
		1067	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1068	}
		1069
		1070	} elsif ("ARRAY" eq ref $a) {
		1071
		1072	return 0 if @$a != @$b;
		1073
		1074	for (0 .. $#$a) {
		1075	return 0 unless _object_equal $a->[$_], $b->[$_];
		1076	}
		1077
		1078	} elsif ($a ne $b) {
		1079	return 0;
		1080	}
		1081
		1082	1
		1083	}
		1084
		1085	our $SLOW_MERGES;#d#
		1086	sub _can_merge {
		1087	my ($ob1, $ob2) = @_;
		1088
		1089	++$SLOW_MERGES;#d#
		1090
		1091	# we do the slow way here
		1092	return _object_equal $ob1, $ob2
		1093	}
898		1094
899	sub reattach {	1095	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1096	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1097	my ($obj) = @_;
902		1098
		1099	# no longer needed after getting rid of delete_package?
903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1100	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
904		1101
905	my $registry = $obj->registry;	1102	my $registry = $obj->registry;
906		1103
907	@$registry = ();	1104	@$registry = ();
908		1105
…		…
923	cf::attachable->attach (	1120	cf::attachable->attach (
924	prio => -1000000,	1121	prio => -1000000,
925	on_instantiate => sub {	1122	on_instantiate => sub {
926	my ($obj, $data) = @_;	1123	my ($obj, $data) = @_;
927		1124
928	$data = from_json $data;	1125	$data = decode_json $data;
929		1126
930	for (@$data) {	1127	for (@$data) {
931	my ($name, $args) = @$_;	1128	my ($name, $args) = @$_;
932		1129
933	$obj->attach ($name, %{$args || {} });	1130	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1146	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1147	my ($filename, $rdata, $objs) = @_;
951		1148
952	sync_job {	1149	sync_job {
953	if (length $$rdata) {	1150	if (length $$rdata) {
		1151	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1152	warn sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1153	$decname, length $$rdata, scalar @$objs;
956		1154
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1157	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
961	close $fh;	1159	aio_close $fh;
962		1160
963	if (@$objs) {	1161	if (@$objs) {
964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1162	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965	chmod SAVE_MODE, $fh;	1163	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1164	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1165	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1166	aio_fsync $fh if $cf::USE_FSYNC;
969	close $fh;	1167	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1168	aio_rename "$filename.pst~", "$filename.pst";
971	}	1169	}
972	} else {	1170	} else {
973	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
974	}	1172	}
…		…
979	}	1177	}
980	} else {	1178	} else {
981	aio_unlink $filename;	1179	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1180	aio_unlink "$filename.pst";
983	}	1181	}
984	}	1182	};
985	}	1183	}
986		1184
987	sub object_freezer_as_string {	1185	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1186	my ($rdata, $objs) = @_;
989		1187
…		…
1001	or return;	1199	or return;
1002		1200
1003	unless (aio_stat "$filename.pst") {	1201	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1202	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1203	or return;
		1204
1006	$av = eval { (Storable::thaw $av)->{objs} };	1205	my $st = eval { Coro::Storable::thaw $av };
		1206	$av = $st->{objs};
1007	}	1207	}
1008		1208
		1209	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1210	warn sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1211	$decname, length $data, scalar @{$av || []};
		1212
1011	return ($data, $av);	1213	($data, $av)
1012	}	1214	}
1013		1215
1014	=head2 COMMAND CALLBACKS	1216	=head2 COMMAND CALLBACKS
1015		1217
1016	=over 4	1218	=over 4
…		…
1089	my ($pl, $buf) = @_;	1291	my ($pl, $buf) = @_;
1090		1292
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1293	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1294
1093	if (ref $msg) {	1295	if (ref $msg) {
		1296	my ($type, $reply, @payload) =
		1297	"ARRAY" eq ref $msg
		1298	? @$msg
		1299	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1300
		1301	my @reply;
		1302
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1303	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1304	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1305	}
		1306
		1307	$pl->ext_reply ($reply, @reply)
		1308	if $reply;
		1309
1099	} else {	1310	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1311	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1312	}
1102		1313
1103	cf::override;	1314	cf::override;
…		…
1130		1341
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1342	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1343	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1344
1134	$ext{source} =	1345	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1346	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1136	. "#line 1 \"$path\"\n{\n"	1347	. "#line 1 \"$path\"\n{\n"
1137	. $source	1348	. $source
1138	. "\n};\n1";	1349	. "\n};\n1";
1139		1350
1140	$todo{$base} = \%ext;	1351	$todo{$base} = \%ext;
…		…
1156	my $msg = $@ ? "$v->{path}: $@\n"	1367	my $msg = $@ ? "$v->{path}: $@\n"
1157	: "$v->{base}: extension inactive.\n";	1368	: "$v->{base}: extension inactive.\n";
1158		1369
1159	if (exists $v->{meta}{mandatory}) {	1370	if (exists $v->{meta}{mandatory}) {
1160	warn $msg;	1371	warn $msg;
1161	warn "mandatory extension failed to load, exiting.\n";	1372	cf::cleanup "mandatory extension failed to load, exiting.";
1162	exit 1;
1163	}	1373	}
1164		1374
1165	warn $msg;	1375	warn $msg;
1166	}	1376	}
1167		1377
…		…
1181		1391
1182	=back	1392	=back
1183		1393
1184	=head2 CORE EXTENSIONS	1394	=head2 CORE EXTENSIONS
1185		1395
1186	Functions and methods that extend core crossfire objects.	1396	Functions and methods that extend core deliantra objects.
1187		1397
1188	=cut	1398	=cut
1189		1399
1190	package cf::player;	1400	package cf::player;
1191		1401
1192	use Coro::AIO;	1402	use Coro::AIO;
1193		1403
1194	=head3 cf::player	1404	=head3 cf::player
1195		1405
1196	=over 4	1406	=over 4
		1407
		1408	=item cf::player::num_playing
		1409
		1410	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1411
		1412	=cut
		1413
		1414	sub num_playing {
		1415	scalar grep
		1416	$_->ob->map
		1417	&& !$_->hidden
		1418	&& !$_->ob->flag (cf::FLAG_WIZ),
		1419	cf::player::list
		1420	}
1197		1421
1198	=item cf::player::find $login	1422	=item cf::player::find $login
1199		1423
1200	Returns the given player object, loading it if necessary (might block).	1424	Returns the given player object, loading it if necessary (might block).
1201		1425
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1461	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1462	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1463	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1464	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1465
1242	my $pl = load_pl path $login	1466	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1467	or return;
		1468
		1469	my $pl = cf::player::load_pl $f
		1470	or return;
		1471
		1472	local $cf::PLAYER_LOADING{$login} = $pl;
		1473	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1474	$cf::PLAYER{$login} = $pl
1245	}	1475	}
1246	}	1476	}
1247	}	1477	}
1248		1478
…		…
1257	return if $pl->{deny_save};	1487	return if $pl->{deny_save};
1258		1488
1259	aio_mkdir playerdir $pl, 0770;	1489	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1490	$pl->{last_save} = $cf::RUNTIME;
1261		1491
		1492	cf::get_slot 0.01;
		1493
1262	$pl->save_pl ($path);	1494	$pl->save_pl ($path);
1263	Coro::cede;	1495	cf::cede_to_tick;
1264	}	1496	}
1265		1497
1266	sub new($) {	1498	sub new($) {
1267	my ($login) = @_;	1499	my ($login) = @_;
1268		1500
…		…
1274	$cf::PLAYER{$login} = $self;	1506	$cf::PLAYER{$login} = $self;
1275		1507
1276	$self	1508	$self
1277	}	1509	}
1278		1510
		1511	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1512
		1513	=cut
		1514
		1515	sub send_msg {
		1516	my $ns = shift->ns
		1517	or return;
		1518	$ns->send_msg (@_);
		1519	}
		1520
1279	=item $pl->quit_character	1521	=item $pl->quit_character
1280		1522
1281	Nukes the player without looking back. If logged in, the connection will	1523	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1524	be destroyed. May block for a long time.
1283		1525
…		…
1287	my ($pl) = @_;	1529	my ($pl) = @_;
1288		1530
1289	my $name = $pl->ob->name;	1531	my $name = $pl->ob->name;
1290		1532
1291	$pl->{deny_save} = 1;	1533	$pl->{deny_save} = 1;
1292	$pl->password ("*"); # this should lock out the player until we nuked the dir	1534	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1293		1535
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1536	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1295	$pl->deactivate;	1537	$pl->deactivate;
		1538	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1539	$pl->ob->check_score;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1540	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1297	$pl->ns->destroy if $pl->ns;	1541	$pl->ns->destroy if $pl->ns;
1298		1542
1299	my $path = playerdir $pl;	1543	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1544	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1336	or return [];	1580	or return [];
1337		1581
1338	my @logins;	1582	my @logins;
1339		1583
1340	for my $login (@$dirs) {	1584	for my $login (@$dirs) {
		1585	my $path = path $login;
		1586
		1587	# a .pst is a dead give-away for a valid player
		1588	# if no pst file found, open and chekc for blocked users
		1589	if (aio_stat "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1590	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1591	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1592	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1593	}
1344		1594
1345	utf8::decode $login;	1595	utf8::decode $login;
1346	push @logins, $login;	1596	push @logins, $login;
1347	}	1597	}
1348		1598
…		…
1375	}	1625	}
1376		1626
1377	\@paths	1627	\@paths
1378	}	1628	}
1379		1629
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1630	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1631
1382	Expand crossfire pod fragments into protocol xml.	1632	Expand deliantra pod fragments into protocol xml.
1383		1633
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	s/\s+\n/\n/g; # ws line-ends
1418	s/\n\n+/\n/g; # double lines
1419	s/^\n+//; # beginning lines
1420	s/\n+$//; # ending lines
1421
1422	$_
1423	}
1424
1425	sub hintmode {
1426	$_[0]{hintmode} = $_[1] if @_ > 1;
1427	$_[0]{hintmode}
1428	}
1429
1430	=item $player->ext_reply ($msgid, %msg)	1634	=item $player->ext_reply ($msgid, @msg)
1431		1635
1432	Sends an ext reply to the player.	1636	Sends an ext reply to the player.
1433		1637
1434	=cut	1638	=cut
1435		1639
1436	sub ext_reply($$%) {	1640	sub ext_reply($$@) {
1437	my ($self, $id, %msg) = @_;	1641	my ($self, $id, @msg) = @_;
1438		1642
1439	$msg{msgid} = $id;	1643	$self->ns->ext_reply ($id, @msg)
1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441	}	1644	}
1442		1645
1443	=item $player->ext_event ($type, %msg)	1646	=item $player->ext_msg ($type, @msg)
1444		1647
1445	Sends an ext event to the client.	1648	Sends an ext event to the client.
1446		1649
1447	=cut	1650	=cut
1448		1651
1449	sub ext_event($$%) {	1652	sub ext_msg($$@) {
1450	my ($self, $type, %msg) = @_;	1653	my ($self, $type, @msg) = @_;
1451		1654
1452	$self->ns->ext_event ($type, %msg);	1655	$self->ns->ext_msg ($type, @msg);
1453	}	1656	}
1454		1657
1455	=head3 cf::region	1658	=head3 cf::region
1456		1659
1457	=over 4	1660	=over 4
…		…
1470	my ($path) = @_;	1673	my ($path) = @_;
1471		1674
1472	my ($match, $specificity);	1675	my ($match, $specificity);
1473		1676
1474	for my $region (list) {	1677	for my $region (list) {
1475	if ($region->match && $path =~ $region->match) {	1678	if ($region->{match} && $path =~ $region->{match}) {
1476	($match, $specificity) = ($region, $region->specificity)	1679	($match, $specificity) = ($region, $region->specificity)
1477	if $region->specificity > $specificity;	1680	if $region->specificity > $specificity;
1478	}	1681	}
1479	}	1682	}
1480		1683
…		…
1501	our $MAX_RESET = 3600;	1704	our $MAX_RESET = 3600;
1502	our $DEFAULT_RESET = 3000;	1705	our $DEFAULT_RESET = 3000;
1503		1706
1504	sub generate_random_map {	1707	sub generate_random_map {
1505	my ($self, $rmp) = @_;	1708	my ($self, $rmp) = @_;
		1709
		1710	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1711
1506	# mit "rum" bekleckern, nicht	1712	# mit "rum" bekleckern, nicht
1507	$self->_create_random_map (	1713	$self->_create_random_map (
1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1600	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1601	return $self;	1807	return $self;
1602	}	1808	}
1603	}	1809	}
1604		1810
1605	Carp::carp "unable to resolve path '$path' (base '$base').";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1606	()	1812	()
1607	}	1813	}
1608		1814
1609	sub init {	1815	sub init {
1610	my ($self) = @_;	1816	my ($self) = @_;
…		…
1632		1838
1633	# the temporary/swap location	1839	# the temporary/swap location
1634	sub save_path {	1840	sub save_path {
1635	my ($self) = @_;	1841	my ($self) = @_;
1636		1842
1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1638	"$TMPDIR/$path.map"	1844	"$TMPDIR/$path.map"
1639	}	1845	}
1640		1846
1641	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1642	sub uniq_path {	1848	sub uniq_path {
1643	my ($self) = @_;	1849	my ($self) = @_;
1644		1850
1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1646	"$UNIQUEDIR/$path"	1852	"$UNIQUEDIR/$path"
1647	}	1853	}
1648		1854
1649	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1650	# all maps in C++...	1856	# all maps in C++...
…		…
1673		1879
1674	sub load_header_from($) {	1880	sub load_header_from($) {
1675	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1676		1882
1677	utf8::encode $path;	1883	utf8::encode $path;
1678	#aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1679	# or return;
1680
1681	$self->_load_header ($path)
1682	or return;	1885	or return;
		1886
		1887	$self->_load_header ($f)
		1888	or return;
		1889
		1890	local $MAP_LOADING{$self->{path}} = $self;
		1891	$f->resolve_delayed_derefs;
1683		1892
1684	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1685		1894
1686	1	1895	1
1687	}	1896	}
…		…
1741	sub find {	1950	sub find {
1742	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1743		1952
1744	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1745		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1746	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1747		1957
1748	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
		1959	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1749	my $guard = cf::lock_acquire "map_find:$path";	1960	my $guard2 = cf::lock_acquire "map_find:$path";
		1961
1750	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1751	or return;	1963	or return;
1752		1964
1753	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1754		1966
…		…
1756	or return;	1968	or return;
1757		1969
1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1760	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1761	$map->reset;	1975	$map->reset;
1762	undef $guard;
1763	return find $path;	1976	return find $path;
1764	}	1977	}
1765		1978
1766	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1767	}	1980	}
…		…
1776	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1777		1990
1778	my $path = $self->{path};	1991	my $path = $self->{path};
1779		1992
1780	{	1993	{
1781	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1782		1995
		1996	return unless $self->valid;
1783	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1784		1998
1785	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1786		2000
1787	$self->alloc;	2001	$self->alloc;
1788		2002
1789	$self->pre_load;	2003	$self->pre_load;
1790	Coro::cede;	2004	cf::cede_to_tick;
1791		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
1792	$self->_load_objects ($self->{load_path}, 1)	2008	$self->_load_objects ($f)
1793	or return;	2009	or return;
1794		2010
1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1796	if delete $self->{load_original};	2012	if delete $self->{load_original};
1797		2013
1798	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1799	utf8::encode $uniq;	2015	utf8::encode $uniq;
1800	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1801	$self->clear_unique_items;	2018	$self->clear_unique_items;
1802	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1803	}	2022	}
1804	}	2023	}
1805		2024
1806	Coro::cede;	2025	$f->resolve_delayed_derefs;
		2026
		2027	cf::cede_to_tick;
1807	# now do the right thing for maps	2028	# now do the right thing for maps
1808	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1809	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1810	unless $self->difficulty;	2031	unless $self->difficulty;
1811	Coro::cede;	2032	cf::cede_to_tick;
1812		2033
1813	unless ($self->{deny_activate}) {	2034	unless ($self->{deny_activate}) {
1814	$self->decay_objects;	2035	$self->decay_objects;
1815	$self->fix_auto_apply;	2036	$self->fix_auto_apply;
1816	$self->update_buttons;	2037	$self->update_buttons;
1817	Coro::cede;	2038	cf::cede_to_tick;
1818	$self->set_darkness_map;	2039	$self->set_darkness_map;
1819	Coro::cede;	2040	cf::cede_to_tick;
1820	$self->activate;	2041	$self->activate;
1821	}	2042	}
1822		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
1823	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_ACTIVE);
1824	}	2048	}
1825		2049
1826	$self->post_load;	2050	$self->post_load;
1827	}	2051	}
1828		2052
…		…
1837		2061
1838	$self	2062	$self
1839	}	2063	}
1840		2064
1841	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1842	sub load_diag {	2066	sub load_neighbours {
1843	my ($map) = @_;	2067	my ($map) = @_;
1844		2068
1845	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1846		2070
1847	for (0 .. 3) {	2071	for (0 .. 3) {
1848	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1849	or next;	2073	or next;
1850	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1851	or next;	2075	or next;
1852	$neigh->load;	2076	$neigh->load;
1853		2077
		2078	push @neigh,
1854	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1855	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1856	}	2081	}
1857		2082
1858	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1859	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1860	or next;	2086	or next;
1861	$neigh->load;	2087	$neigh->load;
1862	}	2088	}
1863	}	2089	}
1864		2090
…		…
1869	}	2095	}
1870		2096
1871	sub do_load_sync {	2097	sub do_load_sync {
1872	my ($map) = @_;	2098	my ($map) = @_;
1873		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1874	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1875	}	2104	}
1876		2105
1877	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1878	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1879		2108
1880	sub find_async {	2109	sub find_async {
1881	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1882		2111
1883	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1884		2113
1885	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1887	}	2116	}
1888		2117
1889	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1890	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1891	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1892	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1893	my $map = find $path	2125	if (my $map = find $k) {
1894	or next;
1895	$map->load;	2126	$map->load if $v;
		2127	}
1896		2128
1897	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1898	}	2130	}
1899	}	2131	}
1900	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1901	};	2133	};
1902	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1905	}	2137	}
1906		2138
1907	sub save {	2139	sub save {
1908	my ($self) = @_;	2140	my ($self) = @_;
1909		2141
1910	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1911		2143
1912	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1913		2145
1914	return unless $self->dirty;	2146	return unless $self->dirty;
1915		2147
…		…
1921	return if $self->{deny_save};	2153	return if $self->{deny_save};
1922		2154
1923	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1924		2156
1925	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1926	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1927	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1928		2163
1929	if ($uniq) {	2164	if ($uniq) {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1932	} else {	2167	} else {
…		…
1938	my ($self) = @_;	2173	my ($self) = @_;
1939		2174
1940	# save first because save cedes	2175	# save first because save cedes
1941	$self->save;	2176	$self->save;
1942		2177
1943	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1944		2179
1945	return if $self->players;	2180	return if $self->players;
1946	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1947	return if $self->{deny_save};	2182	return if $self->{deny_save};
1948		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1949	$self->clear;	2188	$self->clear;
1950	$self->in_memory (cf::MAP_SWAPPED);
1951	}	2189	}
1952		2190
1953	sub reset_at {	2191	sub reset_at {
1954	my ($self) = @_;	2192	my ($self) = @_;
1955		2193
…		…
1987	if $uniq;	2225	if $uniq;
1988	}	2226	}
1989		2227
1990	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1991		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1992	$self->clear;	2232	$self->clear;
1993
1994	$_->clear_links_to ($self) for values %cf::MAP;
1995		2233
1996	$self->unlink_save;	2234	$self->unlink_save;
1997	$self->destroy;	2235	$self->destroy;
1998	}	2236	}
1999		2237
2000	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
2001		2239
2002	sub nuke {	2240	sub nuke {
2003	my ($self) = @_;	2241	my ($self) = @_;
2004		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
2005	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
2006		2247
2007	$self->unlink_save;	2248	$self->unlink_save;
2008		2249
2009	bless $self, "cf::map";	2250	bless $self, "cf::map";
2010	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
2011	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
2012	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014		2255
2015	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
2016		2258
2017	$self->reset; # polite request, might not happen	2259	$self->reset; # polite request, might not happen
2018	}	2260	}
2019		2261
2020	=item $maps = cf::map::tmp_maps	2262	=item $maps = cf::map::tmp_maps
…		…
2062		2304
2063	sub unique_maps() {	2305	sub unique_maps() {
2064	[	2306	[
2065	map {	2307	map {
2066	utf8::decode $_;	2308	utf8::decode $_;
2067	/\.map$/	2309	s/\.map$//; # TODO future compatibility hack
		2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2311	? ()
2068	? normalise $_	2312	: normalise $_
2069	: ()
2070	} @{ aio_readdir $UNIQUEDIR or [] }	2313	} @{ aio_readdir $UNIQUEDIR or [] }
2071	]	2314	]
2072	}	2315	}
2073		2316
2074	package cf;
2075
2076	=back	2317	=back
2077		2318
2078	=head3 cf::object	2319	=head3 cf::object
2079		2320
2080	=cut	2321	=cut
…		…
2083		2324
2084	=over 4	2325	=over 4
2085		2326
2086	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
2087		2328
2088	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
2089		2331
2090	=cut	2332	=cut
2091		2333
2092	sub inv_recursive_;	2334	sub inv_recursive_;
2093	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
2096		2338
2097	sub inv_recursive {	2339	sub inv_recursive {
2098	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
2099	}	2341	}
2100		2342
		2343	=item $ref = $ob->ref
		2344
		2345	Creates and returns a persistent reference to an object that can be stored as a string.
		2346
		2347	=item $ob = cf::object::deref ($refstring)
		2348
		2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2350	even if the object actually exists. May block.
		2351
		2352	=cut
		2353
		2354	sub deref {
		2355	my ($ref) = @_;
		2356
		2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2358	my ($uuid, $name) = ($1, $2);
		2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2360	or return;
		2361	$pl->ob->uuid eq $uuid
		2362	or return;
		2363
		2364	$pl->ob
		2365	} else {
		2366	warn "$ref: cannot resolve object reference\n";
		2367	undef
		2368	}
		2369	}
		2370
2101	package cf;	2371	package cf;
2102		2372
2103	=back	2373	=back
2104		2374
2105	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
2111	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2381	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2112	can be C<undef>. Does the right thing when the player is currently in a	2382	can be C<undef>. Does the right thing when the player is currently in a
2113	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
2114		2384
2115	=cut	2385	=cut
		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
2116		2400
2117	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
2118	# with dialog boxes.	2402	# with dialog boxes.
2119	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
2120	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
2127		2411
2128	} else {	2412	} else {
2129	my $pl = $self->contr;	2413	my $pl = $self->contr;
2130		2414
2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132	my $diag = $pl->{npc_dialog};	2416	my $dialog = $pl->{npc_dialog};
2133	$diag->{pl}->ext_reply (	2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2134	$diag->{id},
2135	msgtype => "reply",
2136	msg => $diag->{pl}->expand_cfpod ($msg),
2137	add_topics => []
2138	);
2139		2418
2140	} else {	2419	} else {
2141	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
2142	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2143	}	2422	}
2144	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
2145	}	2434	}
2146		2435
2147	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
2148		2437
2149	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
2162		2451
2163	=item $player_object->enter_link	2452	=item $player_object->enter_link
2164		2453
2165	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
2166		2455
2167	The player should be reasonably safe there for short amounts of time. You	2456	The player should be reasonably safe there for short amounts of time (e.g.
2168	I<MUST> call C<leave_link> as soon as possible, though.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
2169		2460
2170	Will never block.	2461	Will never block.
2171		2462
2172	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
2173		2464
…		…
2228	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
2229	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
2230	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
2231		2522
2232	$map->load;	2523	$map->load;
2233	$map->load_diag;	2524	$map->load_neighbours;
2234		2525
2235	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2236	$self->activate_recursive;	2528	$self->activate_recursive;
2237		2529
2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
2240	}	2532	}
2241		2533
2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2243		2535
2244	Moves the player to the given map-path and coordinates by first freezing	2536	Moves the player to the given map-path and coordinates by first freezing
2245	her, loading and preparing them map, calling the provided $check callback	2537	her, loading and preparing them map, calling the provided $check callback
2246	that has to return the map if sucecssful, and then unfreezes the player on	2538	that has to return the map if sucecssful, and then unfreezes the player on
2247	the new (success) or old (failed) map position.	2539	the new (success) or old (failed) map position. In either case, $done will
		2540	be called at the end of this process.
		2541
		2542	Note that $check will be called with a potentially non-loaded map, so if
		2543	it needs a loaded map it has to call C<< ->load >>.
2248		2544
2249	=cut	2545	=cut
2250		2546
2251	our $GOTOGEN;	2547	our $GOTOGEN;
2252		2548
2253	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
2254	my ($self, $path, $x, $y, $check) = @_;	2550	my ($self, $path, $x, $y, $check, $done) = @_;
2255		2551
2256	# do generation counting so two concurrent goto's will be executed in-order	2552	# do generation counting so two concurrent goto's will be executed in-order
2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258		2554
2259	$self->enter_link;	2555	$self->enter_link;
2260		2556
2261	(async {	2557	(async {
		2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
		2560	# *tag paths override both path and x|y
		2561	if ($path =~ /^\*(.*)$/) {
		2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2563	my $ob = $obs[rand @obs];
		2564
		2565	# see if we actually can go there
		2566	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2567	$ob = $obs[rand @obs];
		2568	} else {
		2569	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2570	}
		2571	# else put us there anyways for now #d#
		2572
		2573	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2574	} else {
		2575	($path, $x, $y) = (undef, undef, undef);
		2576	}
		2577	}
		2578
2262	my $map = eval {	2579	my $map = eval {
2263	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
2264		2581
2265	if ($map) {	2582	if ($map) {
2266	$map = $map->customise_for ($self);	2583	$map = $map->customise_for ($self);
2267	$map = $check->($map) if $check && $map;	2584	$map = $check->($map) if $check && $map;
2268	} else {	2585	} else {
2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270	}	2587	}
2271		2588
2272	$map	2589	$map
2273	};	2590	};
2274		2591
…		…
2279		2596
2280	if ($gen == $self->{_goto_generation}) {	2597	if ($gen == $self->{_goto_generation}) {
2281	delete $self->{_goto_generation};	2598	delete $self->{_goto_generation};
2282	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
2283	}	2600	}
		2601
		2602	$done->() if $done;
2284	})->prio (1);	2603	})->prio (1);
2285	}	2604	}
2286		2605
2287	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
2288		2607
…		…
2308	}	2627	}
2309		2628
2310	sub prepare_random_map {	2629	sub prepare_random_map {
2311	my ($exit) = @_;	2630	my ($exit) = @_;
2312		2631
2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
2314
2315	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
2316	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
2317	# that depends on the exit object	2634	# that depends on the exit object
2318		2635
2319	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
2321	if ($exit->map) {	2638	if ($exit->map) {
2322	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
2323	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
2324	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
2325	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
2326	}	2645	}
2327		2646
2328	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
2329		2648
2330	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2331	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
2332	my $meta = "$RANDOMDIR/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
2333		2652
2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
2336	undef $fh;	2655	undef $fh;
2337	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
2338		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
2339	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
2340	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
2341	}	2664	}
2342	}	2665	}
2343		2666
2344	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2345	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2346		2669
2347	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2348		2671
2349	if ($exit->slaying eq "/!") {
2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
2351	# the problem is that $exit might not survive long enough
2352	# so it needs to be done right now, right here
2353	cf::sync_job { prepare_random_map $exit };
2354	}
2355
2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2357	my $hp = $exit->stats->hp;
2358	my $sp = $exit->stats->sp;
2359
2360	$self->enter_link;	2672	$self->enter_link;
2361		2673
2362	(async {	2674	(async {
2363	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
2364	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
2365	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2366		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
2367	1;	2698	1
2368	}) {	2699	}) {
2369	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2370	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
2371	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2372	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2373		2704
2374	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2393		2724
2394	utf8::encode $text;	2725	utf8::encode $text;
2395	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2726	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2396	}	2727	}
2397		2728
2398	=item $client->send_msg ($color, $type, $msg, [extra...])	2729	=item $client->send_msg ($channel, $msg, $color, [extra...])
2399		2730
2400	Send a drawinfo or msg packet to the client, formatting the msg for the	2731	Send a drawinfo or msg packet to the client, formatting the msg for the
2401	client if neccessary. C<$type> should be a string identifying the type of	2732	client if neccessary. C<$type> should be a string identifying the type of
2402	the message, with C<log> being the default. If C<$color> is negative, suppress	2733	the message, with C<log> being the default. If C<$color> is negative, suppress
2403	the message unless the client supports the msg packet.	2734	the message unless the client supports the msg packet.
2404		2735
2405	=cut	2736	=cut
2406		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/uptime" => {
		2777	id => "infobox",
		2778	title => "Uptime",
		2779	reply => undef,
		2780	tooltip => "How long the server has been running since last restart",
		2781	},
		2782	"c/mapinfo" => {
		2783	id => "infobox",
		2784	title => "Map Info",
		2785	reply => undef,
		2786	tooltip => "Information related to the maps",
		2787	},
		2788	"c/party" => {
		2789	id => "party",
		2790	title => "Party",
		2791	reply => "gsay ",
		2792	tooltip => "Messages and chat related to your party",
		2793	},
		2794	);
		2795
2407	sub cf::client::send_msg {	2796	sub cf::client::send_msg {
2408	my ($self, $color, $type, $msg, @extra) = @_;	2797	my ($self, $channel, $msg, $color, @extra) = @_;
2409		2798
2410	$msg = $self->pl->expand_cfpod ($msg);	2799	$msg = $self->pl->expand_cfpod ($msg)
		2800	unless $color & cf::NDI_VERBATIM;
		2801
		2802	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2803
		2804	# check predefined channels, for the benefit of C
		2805	if ($CHANNEL{$channel}) {
		2806	$channel = $CHANNEL{$channel};
		2807
		2808	$self->ext_msg (channel_info => $channel)
		2809	if $self->can_msg;
		2810
		2811	$channel = $channel->{id};
		2812
		2813	} elsif (ref $channel) {
		2814	# send meta info to client, if not yet sent
		2815	unless (exists $self->{channel}{$channel->{id}}) {
		2816	$self->{channel}{$channel->{id}} = $channel;
		2817	$self->ext_msg (channel_info => $channel)
		2818	if $self->can_msg;
		2819	}
		2820
		2821	$channel = $channel->{id};
		2822	}
2411		2823
2412	return unless @extra || length $msg;	2824	return unless @extra || length $msg;
2413		2825
2414	if ($self->can_msg) {	2826	if ($self->can_msg) {
2415	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2827	# default colour, mask it out
		2828	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2829	if $color & cf::NDI_DEF;
		2830
		2831	my $pkt = "msg "
		2832	. $self->{json_coder}->encode (
		2833	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2834	);
		2835
		2836	# try lzf for large packets
		2837	$pkt = "lzf " . Compress::LZF::compress $pkt
		2838	if 1024 <= length $pkt and $self->{can_lzf};
		2839
		2840	# split very large packets
		2841	if (8192 < length $pkt and $self->{can_lzf}) {
		2842	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2843	$pkt = "frag";
		2844	}
		2845
		2846	$self->send_packet ($pkt);
2416	} else {	2847	} else {
2417	# replace some tags by gcfclient-compatible ones
2418	for ($msg) {
2419	1 while
2420	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2421	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2422	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2423	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2424	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2425	}
2426
2427	if ($color >= 0) {	2848	if ($color >= 0) {
		2849	# replace some tags by gcfclient-compatible ones
		2850	for ($msg) {
		2851	1 while
		2852	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2853	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2854	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2855	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2856	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2857	}
		2858
		2859	$color &= cf::NDI_COLOR_MASK;
		2860
		2861	utf8::encode $msg;
		2862
2428	if (0 && $msg =~ /\[/) {	2863	if (0 && $msg =~ /\[/) {
		2864	# COMMAND/INFO
2429	$self->send_packet ("drawextinfo $color 4 0 $msg")	2865	$self->send_packet ("drawextinfo $color 10 8 $msg")
2430	} else {	2866	} else {
2431	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2867	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2432	$self->send_packet ("drawinfo $color $msg")	2868	$self->send_packet ("drawinfo $color $msg")
2433	}	2869	}
2434	}	2870	}
2435	}	2871	}
2436	}	2872	}
2437		2873
2438	=item $client->ext_event ($type, %msg)	2874	=item $client->ext_msg ($type, @msg)
2439		2875
2440	Sends an ext event to the client.	2876	Sends an ext event to the client.
2441		2877
2442	=cut	2878	=cut
2443		2879
2444	sub cf::client::ext_event($$%) {	2880	sub cf::client::ext_msg($$@) {
2445	my ($self, $type, %msg) = @_;	2881	my ($self, $type, @msg) = @_;
2446		2882
		2883	if ($self->extcmd == 2) {
		2884	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2885	} elsif ($self->extcmd == 1) { # TODO: remove
2447	$msg{msgtype} = "event_$type";	2886	push @msg, msgtype => "event_$type";
2448	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2887	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2888	}
		2889	}
		2890
		2891	=item $client->ext_reply ($msgid, @msg)
		2892
		2893	Sends an ext reply to the client.
		2894
		2895	=cut
		2896
		2897	sub cf::client::ext_reply($$@) {
		2898	my ($self, $id, @msg) = @_;
		2899
		2900	if ($self->extcmd == 2) {
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2902	} elsif ($self->extcmd == 1) {
		2903	#TODO: version 1, remove
		2904	unshift @msg, msgtype => "reply", msgid => $id;
		2905	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2906	}
2449	}	2907	}
2450		2908
2451	=item $success = $client->query ($flags, "text", \&cb)	2909	=item $success = $client->query ($flags, "text", \&cb)
2452		2910
2453	Queues a query to the client, calling the given callback with	2911	Queues a query to the client, calling the given callback with
…		…
2508	my ($ns, $buf) = @_;	2966	my ($ns, $buf) = @_;
2509		2967
2510	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2968	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2511		2969
2512	if (ref $msg) {	2970	if (ref $msg) {
		2971	my ($type, $reply, @payload) =
		2972	"ARRAY" eq ref $msg
		2973	? @$msg
		2974	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2975
		2976	my @reply;
		2977
2513	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2978	if (my $cb = $EXTICMD{$type}) {
2514	if (my %reply = $cb->($ns, $msg)) {	2979	@reply = $cb->($ns, @payload);
2515	$reply{msgid} = $msg->{msgid};
2516	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2517	}
2518	}	2980	}
		2981
		2982	$ns->ext_reply ($reply, @reply)
		2983	if $reply;
		2984
2519	} else {	2985	} else {
2520	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	2986	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2521	}	2987	}
2522		2988
2523	cf::override;	2989	cf::override;
…		…
2570	our $safe = new Safe "safe";	3036	our $safe = new Safe "safe";
2571	our $safe_hole = new Safe::Hole;	3037	our $safe_hole = new Safe::Hole;
2572		3038
2573	$SIG{FPE} = 'IGNORE';	3039	$SIG{FPE} = 'IGNORE';
2574		3040
2575	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3041	$safe->permit_only (Opcode::opset qw(
		3042	:base_core :base_mem :base_orig :base_math
		3043	grepstart grepwhile mapstart mapwhile
		3044	sort time
		3045	));
2576		3046
2577	# here we export the classes and methods available to script code	3047	# here we export the classes and methods available to script code
2578		3048
2579	=pod	3049	=pod
2580		3050
2581	The following functions and methods are available within a safe environment:	3051	The following functions and methods are available within a safe environment:
2582		3052
2583	cf::object contr pay_amount pay_player map	3053	cf::object
		3054	contr pay_amount pay_player map x y force_find force_add destroy
		3055	insert remove name archname title slaying race decrease split
		3056
2584	cf::object::player player	3057	cf::object::player
2585	cf::player peaceful	3058	player
2586	cf::map trigger	3059
		3060	cf::player
		3061	peaceful
		3062
		3063	cf::map
		3064	trigger
2587		3065
2588	=cut	3066	=cut
2589		3067
2590	for (	3068	for (
2591	["cf::object" => qw(contr pay_amount pay_player map)],	3069	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3070	insert remove inv nrof name archname title slaying race
		3071	decrease split destroy change_exp)],
2592	["cf::object::player" => qw(player)],	3072	["cf::object::player" => qw(player)],
2593	["cf::player" => qw(peaceful)],	3073	["cf::player" => qw(peaceful)],
2594	["cf::map" => qw(trigger)],	3074	["cf::map" => qw(trigger)],
2595	) {	3075	) {
2596	no strict 'refs';	3076	no strict 'refs';
…		…
2672	# the server's init and main functions	3152	# the server's init and main functions
2673		3153
2674	sub load_facedata($) {	3154	sub load_facedata($) {
2675	my ($path) = @_;	3155	my ($path) = @_;
2676		3156
		3157	# HACK to clear player env face cache, we need some signal framework
		3158	# for this (global event?)
		3159	%ext::player_env::MUSIC_FACE_CACHE = ();
		3160
		3161	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3162
2677	warn "loading facedata from $path\n";	3163	warn "loading facedata from $path\n";
2678		3164
2679	my $facedata;	3165	my $facedata;
2680	0 < aio_load $path, $facedata	3166	0 < aio_load $path, $facedata
2681	or die "$path: $!";	3167	or die "$path: $!";
…		…
2683	$facedata = Coro::Storable::thaw $facedata;	3169	$facedata = Coro::Storable::thaw $facedata;
2684		3170
2685	$facedata->{version} == 2	3171	$facedata->{version} == 2
2686	or cf::cleanup "$path: version mismatch, cannot proceed.";	3172	or cf::cleanup "$path: version mismatch, cannot proceed.";
2687		3173
		3174	# patch in the exptable
		3175	$facedata->{resource}{"res/exp_table"} = {
		3176	type => FT_RSRC,
		3177	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3178	};
		3179	cf::cede_to_tick;
		3180
2688	{	3181	{
2689	my $faces = $facedata->{faceinfo};	3182	my $faces = $facedata->{faceinfo};
2690		3183
2691	while (my ($face, $info) = each %$faces) {	3184	while (my ($face, $info) = each %$faces) {
2692	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3185	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3186
2693	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3187	cf::face::set_visibility $idx, $info->{visibility};
		3188	cf::face::set_magicmap $idx, $info->{magicmap};
2694	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3189	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2695	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3190	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2696	Coro::cede;	3191
		3192	cf::cede_to_tick;
2697	}	3193	}
2698		3194
2699	while (my ($face, $info) = each %$faces) {	3195	while (my ($face, $info) = each %$faces) {
2700	next unless $info->{smooth};	3196	next unless $info->{smooth};
		3197
2701	my $idx = cf::face::find $face	3198	my $idx = cf::face::find $face
2702	or next;	3199	or next;
		3200
2703	if (my $smooth = cf::face::find $info->{smooth}) {	3201	if (my $smooth = cf::face::find $info->{smooth}) {
		3202	cf::face::set_smooth $idx, $smooth;
2704	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3203	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2705	} else {	3204	} else {
2706	warn "smooth face '$info->{smooth}' not found for face '$face'";	3205	warn "smooth face '$info->{smooth}' not found for face '$face'";
2707	}	3206	}
2708	Coro::cede;	3207
		3208	cf::cede_to_tick;
2709	}	3209	}
2710	}	3210	}
2711		3211
2712	{	3212	{
2713	my $anims = $facedata->{animinfo};	3213	my $anims = $facedata->{animinfo};
2714		3214
2715	while (my ($anim, $info) = each %$anims) {	3215	while (my ($anim, $info) = each %$anims) {
2716	cf::anim::set $anim, $info->{frames}, $info->{facings};	3216	cf::anim::set $anim, $info->{frames}, $info->{facings};
2717	Coro::cede;	3217	cf::cede_to_tick;
2718	}	3218	}
2719		3219
2720	cf::anim::invalidate_all; # d'oh	3220	cf::anim::invalidate_all; # d'oh
2721	}	3221	}
2722		3222
		3223	{
		3224	# TODO: for gcfclient pleasure, we should give resources
		3225	# that gcfclient doesn't grok a >10000 face index.
		3226	my $res = $facedata->{resource};
		3227
		3228	while (my ($name, $info) = each %$res) {
		3229	if (defined $info->{type}) {
		3230	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3231	my $data;
		3232
		3233	if ($info->{type} & 1) {
		3234	# prepend meta info
		3235
		3236	my $meta = $enc->encode ({
		3237	name => $name,
		3238	%{ $info->{meta} || {} },
		3239	});
		3240
		3241	$data = pack "(w/a*)*", $meta, $info->{data};
		3242	} else {
		3243	$data = $info->{data};
		3244	}
		3245
		3246	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3247	cf::face::set_type $idx, $info->{type};
		3248	} else {
		3249	$RESOURCE{$name} = $info;
		3250	}
		3251
		3252	cf::cede_to_tick;
		3253	}
		3254	}
		3255
		3256	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3257
2723	1	3258	1
2724	}	3259	}
2725		3260
		3261	cf::global->attach (on_resource_update => sub {
		3262	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3263	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3264
		3265	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3266	my $sound = $soundconf->{compat}[$_]
		3267	or next;
		3268
		3269	my $face = cf::face::find "sound/$sound->[1]";
		3270	cf::sound::set $sound->[0] => $face;
		3271	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3272	}
		3273
		3274	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3275	my $face = cf::face::find "sound/$v";
		3276	cf::sound::set $k => $face;
		3277	}
		3278	}
		3279	});
		3280
		3281	register_exticmd fx_want => sub {
		3282	my ($ns, $want) = @_;
		3283
		3284	while (my ($k, $v) = each %$want) {
		3285	$ns->fx_want ($k, $v);
		3286	}
		3287	};
		3288
		3289	sub load_resource_file($) {
		3290	my $guard = lock_acquire "load_resource_file";
		3291
		3292	my $status = load_resource_file_ $_[0];
		3293	get_slot 0.1, 100;
		3294	cf::arch::commit_load;
		3295
		3296	$status
		3297	}
		3298
2726	sub reload_regions {	3299	sub reload_regions {
		3300	# HACK to clear player env face cache, we need some signal framework
		3301	# for this (global event?)
		3302	%ext::player_env::MUSIC_FACE_CACHE = ();
		3303
2727	load_resource_file "$MAPDIR/regions"	3304	load_resource_file "$MAPDIR/regions"
2728	or die "unable to load regions file\n";	3305	or die "unable to load regions file\n";
		3306
		3307	for (cf::region::list) {
		3308	$_->{match} = qr/$_->{match}/
		3309	if exists $_->{match};
		3310	}
2729	}	3311	}
2730		3312
2731	sub reload_facedata {	3313	sub reload_facedata {
2732	load_facedata "$DATADIR/facedata"	3314	load_facedata "$DATADIR/facedata"
2733	or die "unable to load facedata\n";	3315	or die "unable to load facedata\n";
2734	}	3316	}
2735		3317
2736	sub reload_archetypes {	3318	sub reload_archetypes {
2737	load_resource_file "$DATADIR/archetypes"	3319	load_resource_file "$DATADIR/archetypes"
2738	or die "unable to load archetypes\n";	3320	or die "unable to load archetypes\n";
2739	#d# NEED to laod twice to resolve forward references
2740	# this really needs to be done in an extra post-pass
2741	# (which needs to be synchronous, so solve it differently)
2742	load_resource_file "$DATADIR/archetypes"
2743	or die "unable to load archetypes\n";
2744	}	3321	}
2745		3322
2746	sub reload_treasures {	3323	sub reload_treasures {
2747	load_resource_file "$DATADIR/treasures"	3324	load_resource_file "$DATADIR/treasures"
2748	or die "unable to load treasurelists\n";	3325	or die "unable to load treasurelists\n";
2749	}	3326	}
2750		3327
2751	sub reload_resources {	3328	sub reload_resources {
2752	warn "reloading resource files...\n";	3329	warn "reloading resource files...\n";
2753		3330
		3331	reload_facedata;
		3332	reload_archetypes;
2754	reload_regions;	3333	reload_regions;
2755	reload_facedata;
2756	#reload_archetypes;#d#
2757	reload_archetypes;
2758	reload_treasures;	3334	reload_treasures;
2759		3335
2760	warn "finished reloading resource files\n";	3336	warn "finished reloading resource files\n";
2761	}	3337	}
2762		3338
2763	sub init {	3339	sub init {
		3340	my $guard = freeze_mainloop;
		3341
		3342	evthread_start IO::AIO::poll_fileno;
		3343
2764	reload_resources;	3344	reload_resources;
2765	}	3345	}
2766		3346
2767	sub cfg_load {	3347	sub reload_config {
2768	open my $fh, "<:utf8", "$CONFDIR/config"	3348	open my $fh, "<:utf8", "$CONFDIR/config"
2769	or return;	3349	or return;
2770		3350
2771	local $/;	3351	local $/;
2772	*CFG = YAML::Syck::Load <$fh>;	3352	*CFG = YAML::Load <$fh>;
2773		3353
2774	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3354	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2775		3355
2776	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3356	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2777	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3357	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2783	};	3363	};
2784	warn $@ if $@;	3364	warn $@ if $@;
2785	}	3365	}
2786	}	3366	}
2787		3367
		3368	sub pidfile() {
		3369	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3370	or die "$PIDFILE: $!";
		3371	flock $fh, &Fcntl::LOCK_EX
		3372	or die "$PIDFILE: flock: $!";
		3373	$fh
		3374	}
		3375
		3376	# make sure only one server instance is running at any one time
		3377	sub atomic {
		3378	my $fh = pidfile;
		3379
		3380	my $pid = <$fh>;
		3381	kill 9, $pid if $pid > 0;
		3382
		3383	seek $fh, 0, 0;
		3384	print $fh $$;
		3385	}
		3386
2788	sub main {	3387	sub main {
		3388	atomic;
		3389
2789	# we must not ever block the main coroutine	3390	# we must not ever block the main coroutine
2790	local $Coro::idle = sub {	3391	local $Coro::idle = sub {
2791	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3392	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2792	(async {	3393	(async {
2793	Event::one_event;	3394	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3395	EV::loop EV::LOOP_ONESHOT;
2794	})->prio (Coro::PRIO_MAX);	3396	})->prio (Coro::PRIO_MAX);
2795	};	3397	};
2796		3398
2797	cfg_load;	3399	{
		3400	my $guard = freeze_mainloop;
		3401	reload_config;
2798	db_init;	3402	db_init;
2799	load_extensions;	3403	load_extensions;
2800		3404
2801	$TICK_WATCHER->start;	3405	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3406	}
		3407
		3408	utime time, time, $RUNTIMEFILE;
		3409
		3410	# no (long-running) fork's whatsoever before this point(!)
		3411	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3412
2802	Event::loop;	3413	EV::loop;
2803	}	3414	}
2804		3415
2805	#############################################################################	3416	#############################################################################
2806	# initialisation and cleanup	3417	# initialisation and cleanup
2807		3418
2808	# install some emergency cleanup handlers	3419	# install some emergency cleanup handlers
2809	BEGIN {	3420	BEGIN {
		3421	our %SIGWATCHER = ();
2810	for my $signal (qw(INT HUP TERM)) {	3422	for my $signal (qw(INT HUP TERM)) {
2811	Event->signal (	3423	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2812	reentrant => 0,
2813	data => WF_AUTOCANCEL,
2814	signal => $signal,
2815	prio => 0,
2816	cb => sub {
2817	cf::cleanup "SIG$signal";	3424	cf::cleanup "SIG$signal";
2818	},
2819	);	3425	};
2820	}	3426	}
2821	}	3427	}
2822		3428
2823	sub write_runtime {	3429	sub write_runtime_sync {
2824	my $runtime = "$LOCALDIR/runtime";
2825
2826	# first touch the runtime file to show we are still running:	3430	# first touch the runtime file to show we are still running:
2827	# the fsync below can take a very very long time.	3431	# the fsync below can take a very very long time.
2828		3432
2829	IO::AIO::aio_utime $runtime, undef, undef;	3433	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2830		3434
2831	my $guard = cf::lock_acquire "write_runtime";	3435	my $guard = cf::lock_acquire "write_runtime";
2832		3436
2833	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3437	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2834	or return;	3438	or return;
2835		3439
2836	my $value = $cf::RUNTIME + 90 + 10;	3440	my $value = $cf::RUNTIME + 90 + 10;
2837	# 10 is the runtime save interval, for a monotonic clock	3441	# 10 is the runtime save interval, for a monotonic clock
2838	# 60 allows for the watchdog to kill the server.	3442	# 60 allows for the watchdog to kill the server.
…		…
2848	aio_utime $fh, undef, undef;	3452	aio_utime $fh, undef, undef;
2849		3453
2850	close $fh	3454	close $fh
2851	or return;	3455	or return;
2852		3456
2853	aio_rename "$runtime~", $runtime	3457	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2854	and return;	3458	and return;
2855		3459
2856	warn "runtime file written.\n";	3460	warn "runtime file written.\n";
2857		3461
2858	1	3462	1
		3463	}
		3464
		3465	our $uuid_lock;
		3466	our $uuid_skip;
		3467
		3468	sub write_uuid_sync($) {
		3469	$uuid_skip ||= $_[0];
		3470
		3471	return if $uuid_lock;
		3472	local $uuid_lock = 1;
		3473
		3474	my $uuid = "$LOCALDIR/uuid";
		3475
		3476	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3477	or return;
		3478
		3479	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3480	$uuid_skip = 0;
		3481
		3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3483	and return;
		3484
		3485	# always fsync - this file is important
		3486	aio_fsync $fh
		3487	and return;
		3488
		3489	close $fh
		3490	or return;
		3491
		3492	aio_rename "$uuid~", $uuid
		3493	and return;
		3494
		3495	warn "uuid file written ($value).\n";
		3496
		3497	1
		3498
		3499	}
		3500
		3501	sub write_uuid($$) {
		3502	my ($skip, $sync) = @_;
		3503
		3504	$sync ? write_uuid_sync $skip
		3505	: async { write_uuid_sync $skip };
2859	}	3506	}
2860		3507
2861	sub emergency_save() {	3508	sub emergency_save() {
2862	my $freeze_guard = cf::freeze_mainloop;	3509	my $freeze_guard = cf::freeze_mainloop;
2863		3510
…		…
2869	# and maps saved/destroyed asynchronously.	3516	# and maps saved/destroyed asynchronously.
2870	warn "begin emergency player save\n";	3517	warn "begin emergency player save\n";
2871	for my $login (keys %cf::PLAYER) {	3518	for my $login (keys %cf::PLAYER) {
2872	my $pl = $cf::PLAYER{$login} or next;	3519	my $pl = $cf::PLAYER{$login} or next;
2873	$pl->valid or next;	3520	$pl->valid or next;
		3521	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2874	$pl->save;	3522	$pl->save;
2875	}	3523	}
2876	warn "end emergency player save\n";	3524	warn "end emergency player save\n";
2877		3525
2878	warn "begin emergency map save\n";	3526	warn "begin emergency map save\n";
…		…
2884	warn "end emergency map save\n";	3532	warn "end emergency map save\n";
2885		3533
2886	warn "begin emergency database checkpoint\n";	3534	warn "begin emergency database checkpoint\n";
2887	BDB::db_env_txn_checkpoint $DB_ENV;	3535	BDB::db_env_txn_checkpoint $DB_ENV;
2888	warn "end emergency database checkpoint\n";	3536	warn "end emergency database checkpoint\n";
		3537
		3538	warn "begin write uuid\n";
		3539	write_uuid_sync 1;
		3540	warn "end write uuid\n";
2889	};	3541	};
2890		3542
2891	warn "leave emergency perl save\n";	3543	warn "leave emergency perl save\n";
2892	}	3544	}
2893		3545
2894	sub post_cleanup {	3546	sub post_cleanup {
2895	my ($make_core) = @_;	3547	my ($make_core) = @_;
2896		3548
2897	warn Carp::longmess "post_cleanup backtrace"	3549	warn Carp::longmess "post_cleanup backtrace"
2898	if $make_core;	3550	if $make_core;
		3551
		3552	my $fh = pidfile;
		3553	unlink $PIDFILE if <$fh> == $$;
2899	}	3554	}
		3555
		3556	# a safer delete_package, copied from Symbol
		3557	sub clear_package($) {
		3558	my $pkg = shift;
		3559
		3560	# expand to full symbol table name if needed
		3561	unless ($pkg =~ /^main::.*::$/) {
		3562	$pkg = "main$pkg" if $pkg =~ /^::/;
		3563	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3564	$pkg .= '::' unless $pkg =~ /::$/;
		3565	}
		3566
		3567	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3568	my $stem_symtab = *{$stem}{HASH};
		3569
		3570	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3571	or return;
		3572
		3573	# clear all symbols
		3574	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3575	for my $name (keys %$leaf_symtab) {
		3576	_gv_clear *{"$pkg$name"};
		3577	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3578	}
		3579	warn "cleared package #$pkg\n";#d#
		3580	}
		3581
		3582	our $RELOAD; # how many times to reload
2900		3583
2901	sub do_reload_perl() {	3584	sub do_reload_perl() {
2902	# can/must only be called in main	3585	# can/must only be called in main
2903	if ($Coro::current != $Coro::main) {	3586	if ($Coro::current != $Coro::main) {
2904	warn "can only reload from main coroutine";	3587	warn "can only reload from main coroutine";
2905	return;	3588	return;
2906	}	3589	}
2907		3590
		3591	return if $RELOAD++;
		3592
		3593	while ($RELOAD) {
2908	warn "reloading...";	3594	warn "reloading...";
2909		3595
2910	warn "entering sync_job";	3596	warn "entering sync_job";
2911		3597
2912	cf::sync_job {	3598	cf::sync_job {
2913	cf::write_runtime; # external watchdog should not bark	3599	cf::write_runtime_sync; # external watchdog should not bark
2914	cf::emergency_save;	3600	cf::emergency_save;
2915	cf::write_runtime; # external watchdog should not bark	3601	cf::write_runtime_sync; # external watchdog should not bark
2916		3602
2917	warn "syncing database to disk";	3603	warn "syncing database to disk";
2918	BDB::db_env_txn_checkpoint $DB_ENV;	3604	BDB::db_env_txn_checkpoint $DB_ENV;
2919		3605
2920	# if anything goes wrong in here, we should simply crash as we already saved	3606	# if anything goes wrong in here, we should simply crash as we already saved
2921		3607
2922	warn "cancelling all WF_AUTOCANCEL watchers";
2923	for (Event::all_watchers) {
2924	$_->cancel if $_->data & WF_AUTOCANCEL;
2925	}
2926
2927	warn "flushing outstanding aio requests";	3608	warn "flushing outstanding aio requests";
2928	for (;;) {
2929	BDB::flush;
2930	IO::AIO::flush;
2931	Coro::cede;
2932	last unless IO::AIO::nreqs || BDB::nreqs;	3609	while (IO::AIO::nreqs || BDB::nreqs) {
2933	warn "iterate...";	3610	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2934	}
2935
2936	++$RELOAD;
2937
2938	warn "cancelling all extension coros";
2939	$_->cancel for values %EXT_CORO;
2940	%EXT_CORO = ();
2941
2942	warn "removing commands";
2943	%COMMAND = ();
2944
2945	warn "removing ext/exti commands";
2946	%EXTCMD = ();
2947	%EXTICMD = ();
2948
2949	warn "unloading/nuking all extensions";
2950	for my $pkg (@EXTS) {
2951	warn "... unloading $pkg";
2952
2953	if (my $cb = $pkg->can ("unload")) {
2954	eval {
2955	$cb->($pkg);
2956	1
2957	} or warn "$pkg unloaded, but with errors: $@";
2958	}	3611	}
2959		3612
2960	warn "... nuking $pkg";	3613	warn "cancelling all extension coros";
2961	Symbol::delete_package $pkg;	3614	$_->cancel for values %EXT_CORO;
2962	}	3615	%EXT_CORO = ();
2963		3616
2964	warn "unloading all perl modules loaded from $LIBDIR";	3617	warn "removing commands";
2965	while (my ($k, $v) = each %INC) {	3618	%COMMAND = ();
2966	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2967		3619
		3620	warn "removing ext/exti commands";
		3621	%EXTCMD = ();
		3622	%EXTICMD = ();
		3623
		3624	warn "unloading/nuking all extensions";
		3625	for my $pkg (@EXTS) {
2968	warn "... unloading $k";	3626	warn "... unloading $pkg";
2969	delete $INC{$k};
2970		3627
2971	$k =~ s/\.pm$//;
2972	$k =~ s/\//::/g;
2973
2974	if (my $cb = $k->can ("unload_module")) {	3628	if (my $cb = $pkg->can ("unload")) {
		3629	eval {
2975	$cb->();	3630	$cb->($pkg);
		3631	1
		3632	} or warn "$pkg unloaded, but with errors: $@";
		3633	}
		3634
		3635	warn "... clearing $pkg";
		3636	clear_package $pkg;
2976	}	3637	}
2977		3638
2978	Symbol::delete_package $k;	3639	warn "unloading all perl modules loaded from $LIBDIR";
		3640	while (my ($k, $v) = each %INC) {
		3641	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3642
		3643	warn "... unloading $k";
		3644	delete $INC{$k};
		3645
		3646	$k =~ s/\.pm$//;
		3647	$k =~ s/\//::/g;
		3648
		3649	if (my $cb = $k->can ("unload_module")) {
		3650	$cb->();
		3651	}
		3652
		3653	clear_package $k;
2979	}	3654	}
2980		3655
2981	warn "getting rid of safe::, as good as possible";	3656	warn "getting rid of safe::, as good as possible";
2982	Symbol::delete_package "safe::$_"	3657	clear_package "safe::$_"
2983	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3658	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2984		3659
2985	warn "unloading cf.pm \"a bit\"";	3660	warn "unloading cf.pm \"a bit\"";
2986	delete $INC{"cf.pm"};	3661	delete $INC{"cf.pm"};
2987	delete $INC{"cf/pod.pm"};	3662	delete $INC{"cf/pod.pm"};
2988		3663
2989	# don't, removes xs symbols, too,	3664	# don't, removes xs symbols, too,
2990	# and global variables created in xs	3665	# and global variables created in xs
2991	#Symbol::delete_package __PACKAGE__;	3666	#clear_package __PACKAGE__;
2992		3667
2993	warn "unload completed, starting to reload now";	3668	warn "unload completed, starting to reload now";
2994		3669
2995	warn "reloading cf.pm";	3670	warn "reloading cf.pm";
2996	require cf;	3671	require cf;
2997	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3672	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2998		3673
2999	warn "loading config and database again";	3674	warn "loading config and database again";
3000	cf::cfg_load;	3675	cf::reload_config;
3001		3676
3002	warn "loading extensions";	3677	warn "loading extensions";
3003	cf::load_extensions;	3678	cf::load_extensions;
3004		3679
3005	warn "reattaching attachments to objects/players";	3680	warn "reattaching attachments to objects/players";
3006	_global_reattach; # objects, sockets	3681	_global_reattach; # objects, sockets
3007	warn "reattaching attachments to maps";	3682	warn "reattaching attachments to maps";
3008	reattach $_ for values %MAP;	3683	reattach $_ for values %MAP;
3009	warn "reattaching attachments to players";	3684	warn "reattaching attachments to players";
3010	reattach $_ for values %PLAYER;	3685	reattach $_ for values %PLAYER;
3011		3686
3012	warn "leaving sync_job";	3687	warn "leaving sync_job";
3013		3688
3014	1	3689	1
3015	} or do {	3690	} or do {
3016	warn $@;	3691	warn $@;
3017	warn "error while reloading, exiting.";	3692	cf::cleanup "error while reloading, exiting.";
3018	exit 1;
3019	};	3693	};
3020		3694
3021	warn "reloaded";	3695	warn "reloaded";
		3696	--$RELOAD;
		3697	}
3022	};	3698	};
3023		3699
3024	our $RELOAD_WATCHER; # used only during reload	3700	our $RELOAD_WATCHER; # used only during reload
3025		3701
3026	sub reload_perl() {	3702	sub reload_perl() {
3027	# doing reload synchronously and two reloads happen back-to-back,	3703	# doing reload synchronously and two reloads happen back-to-back,
3028	# coro crashes during coro_state_free->destroy here.	3704	# coro crashes during coro_state_free->destroy here.
3029		3705
3030	$RELOAD_WATCHER ||= Event->timer (	3706	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3031	reentrant => 0,
3032	after => 0,
3033	data => WF_AUTOCANCEL,
3034	cb => sub {
3035	do_reload_perl;	3707	do_reload_perl;
3036	undef $RELOAD_WATCHER;	3708	undef $RELOAD_WATCHER;
3037	},
3038	);	3709	};
3039	}	3710	}
3040		3711
3041	register_command "reload" => sub {	3712	register_command "reload" => sub {
3042	my ($who, $arg) = @_;	3713	my ($who, $arg) = @_;
3043		3714
3044	if ($who->flag (FLAG_WIZ)) {	3715	if ($who->flag (FLAG_WIZ)) {
3045	$who->message ("reloading server.");	3716	$who->message ("reloading server.");
		3717	async {
		3718	$Coro::current->{desc} = "perl_reload";
3046	async { reload_perl };	3719	reload_perl;
		3720	};
3047	}	3721	}
3048	};	3722	};
3049		3723
3050	unshift @INC, $LIBDIR;	3724	unshift @INC, $LIBDIR;
3051		3725
…		…
3053		3727
3054	our @WAIT_FOR_TICK;	3728	our @WAIT_FOR_TICK;
3055	our @WAIT_FOR_TICK_BEGIN;	3729	our @WAIT_FOR_TICK_BEGIN;
3056		3730
3057	sub wait_for_tick {	3731	sub wait_for_tick {
3058	return unless $TICK_WATCHER->is_active;
3059	return if $Coro::current == $Coro::main;	3732	return if tick_inhibit || $Coro::current == $Coro::main;
3060		3733
3061	my $signal = new Coro::Signal;	3734	my $signal = new Coro::Signal;
3062	push @WAIT_FOR_TICK, $signal;	3735	push @WAIT_FOR_TICK, $signal;
3063	$signal->wait;	3736	$signal->wait;
3064	}	3737	}
3065		3738
3066	sub wait_for_tick_begin {	3739	sub wait_for_tick_begin {
3067	return unless $TICK_WATCHER->is_active;
3068	return if $Coro::current == $Coro::main;	3740	return if tick_inhibit || $Coro::current == $Coro::main;
3069		3741
3070	my $signal = new Coro::Signal;	3742	my $signal = new Coro::Signal;
3071	push @WAIT_FOR_TICK_BEGIN, $signal;	3743	push @WAIT_FOR_TICK_BEGIN, $signal;
3072	$signal->wait;	3744	$signal->wait;
3073	}	3745	}
3074		3746
3075	my $min = 1e6;#d#	3747	sub tick {
3076	my $avg = 10;
3077	$TICK_WATCHER = Event->timer (
3078	reentrant => 0,
3079	parked => 1,
3080	prio => 0,
3081	at => $NEXT_TICK || $TICK,
3082	data => WF_AUTOCANCEL,
3083	cb => sub {
3084	if ($Coro::current != $Coro::main) {	3748	if ($Coro::current != $Coro::main) {
3085	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3749	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3086	unless ++$bug_warning > 10;	3750	unless ++$bug_warning > 10;
3087	return;	3751	return;
3088	}	3752	}
3089		3753
3090	$NOW = $tick_start = Event::time;
3091
3092	cf::server_tick; # one server iteration	3754	cf::server_tick; # one server iteration
3093		3755
3094	0 && sync_job {#d#	3756	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3095	for(1..10) {	3757	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3096	my $t = Event::time;	3758	Coro::async_pool {
3097	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3759	$Coro::current->{desc} = "runtime saver";
3098	or die;	3760	write_runtime_sync
3099		3761	or warn "ERROR: unable to write runtime file: $!";
3100	$map->width (50);
3101	$map->height (50);
3102	$map->alloc;
3103	$map->_load_objects ("/tmp/x.map", 1);
3104	my $t = Event::time - $t;
3105
3106	#next unless $t < 0.0013;#d#
3107	if ($t < $min) {
3108	$min = $t;
3109	}
3110	$avg = $avg * 0.99 + $t * 0.01;
3111	}
3112	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3113	exit 0;
3114	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3115	};	3762	};
		3763	}
3116		3764
3117	$RUNTIME += $TICK;
3118	$NEXT_TICK += $TICK;
3119
3120	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3121	$NEXT_RUNTIME_WRITE = $NOW + 10;
3122	Coro::async_pool {
3123	write_runtime
3124	or warn "ERROR: unable to write runtime file: $!";
3125	};
3126	}
3127
3128	# my $AFTER = Event::time;
3129	# warn $AFTER - $NOW;#d#
3130
3131	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3765	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3132	$sig->send;	3766	$sig->send;
3133	}	3767	}
3134	while (my $sig = shift @WAIT_FOR_TICK) {	3768	while (my $sig = shift @WAIT_FOR_TICK) {
3135	$sig->send;	3769	$sig->send;
3136	}	3770	}
3137		3771
3138	$NOW = Event::time;	3772	$LOAD = ($NOW - $TICK_START) / $TICK;
3139
3140	# if we are delayed by four ticks or more, skip them all
3141	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3142
3143	$TICK_WATCHER->at ($NEXT_TICK);
3144	$TICK_WATCHER->start;
3145
3146	$LOAD = ($NOW - $tick_start) / $TICK;
3147	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3773	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3148		3774
3149	_post_tick;	3775	if (0) {
3150		3776	if ($NEXT_TICK) {
3151		3777	my $jitter = $TICK_START - $NEXT_TICK;
		3778	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3779	warn "jitter $JITTER\n";#d#
		3780	}
3152	},	3781	}
3153	);	3782	}
3154		3783
3155	{	3784	{
3156	BDB::max_poll_time $TICK * 0.1;	3785	# configure BDB
3157	$BDB_POLL_WATCHER = Event->io (	3786
3158	reentrant => 0,
3159	fd => BDB::poll_fileno,
3160	poll => 'r',
3161	prio => 0,
3162	data => WF_AUTOCANCEL,
3163	cb => \&BDB::poll_cb,
3164	);
3165	BDB::min_parallel 8;	3787	BDB::min_parallel 8;
3166		3788	BDB::max_poll_reqs $TICK * 0.1;
3167	BDB::set_sync_prepare {	3789	$AnyEvent::BDB::WATCHER->priority (1);
3168	my $status;
3169	my $current = $Coro::current;
3170	(
3171	sub {
3172	$status = $!;
3173	$current->ready; undef $current;
3174	},
3175	sub {
3176	Coro::schedule while defined $current;
3177	$! = $status;
3178	},
3179	)
3180	};
3181		3790
3182	unless ($DB_ENV) {	3791	unless ($DB_ENV) {
3183	$DB_ENV = BDB::db_env_create;	3792	$DB_ENV = BDB::db_env_create;
		3793	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3794	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3795	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3796	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3797	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3184		3798
3185	cf::sync_job {	3799	cf::sync_job {
3186	eval {	3800	eval {
3187	BDB::db_env_open	3801	BDB::db_env_open
3188	$DB_ENV,	3802	$DB_ENV,
…		…
3190	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3804	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3191	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3805	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3192	0666;	3806	0666;
3193		3807
3194	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3808	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3195
3196	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3197	$DB_ENV->set_lk_detect;
3198	};	3809	};
3199		3810
3200	cf::cleanup "db_env_open(db): $@" if $@;	3811	cf::cleanup "db_env_open(db): $@" if $@;
3201	};	3812	};
3202	}	3813	}
		3814
		3815	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3816	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3817	};
		3818	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3819	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3820	};
		3821	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3822	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3823	};
3203	}	3824	}
3204		3825
3205	{	3826	{
		3827	# configure IO::AIO
		3828
3206	IO::AIO::min_parallel 8;	3829	IO::AIO::min_parallel 8;
3207
3208	undef $Coro::AIO::WATCHER;
3209	IO::AIO::max_poll_time $TICK * 0.1;	3830	IO::AIO::max_poll_time $TICK * 0.1;
3210	$AIO_POLL_WATCHER = Event->io (	3831	undef $AnyEvent::AIO::WATCHER;
3211	reentrant => 0,
3212	data => WF_AUTOCANCEL,
3213	fd => IO::AIO::poll_fileno,
3214	poll => 'r',
3215	prio => 6,
3216	cb => \&IO::AIO::poll_cb,
3217	);
3218	}	3832	}
3219		3833
3220	my $_log_backtrace;	3834	my $_log_backtrace;
3221		3835
3222	sub _log_backtrace {	3836	sub _log_backtrace {
…		…
3225	$msg =~ s/\n//;	3839	$msg =~ s/\n//;
3226		3840
3227	# limit the # of concurrent backtraces	3841	# limit the # of concurrent backtraces
3228	if ($_log_backtrace < 2) {	3842	if ($_log_backtrace < 2) {
3229	++$_log_backtrace;	3843	++$_log_backtrace;
		3844	my $perl_bt = Carp::longmess $msg;
3230	async {	3845	async {
		3846	$Coro::current->{desc} = "abt $msg";
		3847
3231	my @bt = fork_call {	3848	my @bt = fork_call {
3232	@addr = map { sprintf "%x", $_ } @addr;	3849	@addr = map { sprintf "%x", $_ } @addr;
3233	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3850	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3234	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3851	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3235	or die "addr2line: $!";	3852	or die "addr2line: $!";
…		…
3243	}	3860	}
3244		3861
3245	@funcs	3862	@funcs
3246	};	3863	};
3247		3864
3248	LOG llevInfo, "[ABT] $msg\n";	3865	LOG llevInfo, "[ABT] $perl_bt\n";
		3866	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3249	LOG llevInfo, "[ABT] $_\n" for @bt;	3867	LOG llevInfo, "[ABT] $_\n" for @bt;
3250	--$_log_backtrace;	3868	--$_log_backtrace;
3251	};	3869	};
3252	} else {	3870	} else {
3253	LOG llevInfo, "[ABT] $msg\n";	3871	LOG llevInfo, "[ABT] $msg\n";

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