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Revision 1.423 by root, Sun Apr 20 00:44:13 2008 UTC vs.
Revision 1.493 by root, Mon Oct 26 02:34:37 2009 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
18	#	19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
		25	use 5.10.0;
24	use utf8;	26	use utf8;
25	use strict;	27	use strict qw(vars subs);
26		28
27	use Symbol;	29	use Symbol;
28	use List::Util;	30	use List::Util;
29	use Socket;	31	use Socket;
30	use EV 3.2;	32	use EV;
31	use Opcode;	33	use Opcode;
32	use Safe;	34	use Safe;
33	use Safe::Hole;	35	use Safe::Hole;
34	use Storable ();	36	use Storable ();
		37	use Carp ();
35		38
		39	use Guard ();
36	use Coro 4.50 ();	40	use Coro ();
37	use Coro::State;	41	use Coro::State;
38	use Coro::Handle;	42	use Coro::Handle;
39	use Coro::EV;	43	use Coro::EV;
		44	use Coro::AnyEvent;
40	use Coro::Timer;	45	use Coro::Timer;
41	use Coro::Signal;	46	use Coro::Signal;
42	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
43	use Coro::AIO;	50	use Coro::AIO;
44	use Coro::BDB;	51	use Coro::BDB 1.6;
45	use Coro::Storable;	52	use Coro::Storable;
46	use Coro::Util ();	53	use Coro::Util ();
47		54
48	use JSON::XS 2.01 ();	55	use JSON::XS 2.01 ();
49	use BDB ();	56	use BDB ();
50	use Data::Dumper;	57	use Data::Dumper;
51	use Digest::MD5;	58	use Digest::MD5;
52	use Fcntl;	59	use Fcntl;
53	use YAML ();	60	use YAML::XS ();
54	use IO::AIO 2.51 ();	61	use IO::AIO ();
55	use Time::HiRes;	62	use Time::HiRes;
56	use Compress::LZF;	63	use Compress::LZF;
57	use Digest::MD5 ();	64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
58		67
59	# configure various modules to our taste	68	# configure various modules to our taste
60	#	69	#
61	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
64		78
65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	79	# strictly for debugging
		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
66		81
67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
68		83
69	our %COMMAND = ();	84	our %COMMAND = ();
70	our %COMMAND_TIME = ();	85	our %COMMAND_TIME = ();
…		…
73	our %EXTCMD = ();	88	our %EXTCMD = ();
74	our %EXTICMD = ();	89	our %EXTICMD = ();
75	our %EXT_CORO = (); # coroutines bound to extensions	90	our %EXT_CORO = (); # coroutines bound to extensions
76	our %EXT_MAP = (); # pluggable maps	91	our %EXT_MAP = (); # pluggable maps
77		92
78	our $RELOAD; # number of reloads so far	93	our $RELOAD; # number of reloads so far, non-zero while in reload
79	our @EVENT;	94	our @EVENT;
		95	our @REFLECT; # set by XS
		96	our %REFLECT; # set by us
80		97
81	our $CONFDIR = confdir;	98	our $CONFDIR = confdir;
82	our $DATADIR = datadir;	99	our $DATADIR = datadir;
83	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
84	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
85	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
86	our $LOCALDIR = localdir;	103	our $LOCALDIR = localdir;
87	our $TMPDIR = "$LOCALDIR/" . tmpdir;	104	our $TMPDIR = "$LOCALDIR/" . tmpdir;
88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	105	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	106	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90	our $RANDOMDIR = "$LOCALDIR/random";	107	our $RANDOMDIR = "$LOCALDIR/random";
91	our $BDBDIR = "$LOCALDIR/db";	108	our $BDBDIR = "$LOCALDIR/db";
		109	our $PIDFILE = "$LOCALDIR/pid";
		110	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		111
92	our %RESOURCE;	112	our %RESOURCE;
93		113
94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	114	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
95	our $AIO_POLL_WATCHER;
96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	115	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97	our $NEXT_TICK;	116	our $NEXT_TICK;
98	our $USE_FSYNC = 1; # use fsync to write maps - default off	117	our $USE_FSYNC = 1; # use fsync to write maps - default on
99		118
100	our $BDB_POLL_WATCHER;
101	our $BDB_DEADLOCK_WATCHER;	119	our $BDB_DEADLOCK_WATCHER;
102	our $BDB_CHECKPOINT_WATCHER;	120	our $BDB_CHECKPOINT_WATCHER;
103	our $BDB_TRICKLE_WATCHER;	121	our $BDB_TRICKLE_WATCHER;
104	our $DB_ENV;	122	our $DB_ENV;
105		123
		124	our @EXTRA_MODULES = qw(pod match mapscript);
		125
106	our %CFG;	126	our %CFG;
107		127
108	our $UPTIME; $UPTIME ||= time;	128	our $UPTIME; $UPTIME ||= time;
109	our $RUNTIME;	129	our $RUNTIME;
110	our $NOW;	130	our $NOW;
…		…
119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	139	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120	our $LOADAVG; # same thing, but with alpha-smoothing	140	our $LOADAVG; # same thing, but with alpha-smoothing
121	our $JITTER; # average jitter	141	our $JITTER; # average jitter
122	our $TICK_START; # for load detecting purposes	142	our $TICK_START; # for load detecting purposes
123		143
		144	our @POST_INIT;
		145
		146	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		147	our $REALLY_UNLOOP; # never set to true, please :)
		148
124	binmode STDOUT;	149	binmode STDOUT;
125	binmode STDERR;	150	binmode STDERR;
126		151
127	# read virtual server time, if available	152	# read virtual server time, if available
128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	153	unless ($RUNTIME || !-e $RUNTIMEFILE) {
129	open my $fh, "<", "$LOCALDIR/runtime"	154	open my $fh, "<", $RUNTIMEFILE
130	or die "unable to read runtime file: $!";	155	or die "unable to read $RUNTIMEFILE file: $!";
131	$RUNTIME = <$fh> + 0.;	156	$RUNTIME = <$fh> + 0.;
132	}	157	}
		158
		159	eval "sub TICK() { $TICK } 1" or die;
133		160
134	mkdir $_	161	mkdir $_
135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	162	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
136		163
137	our $EMERGENCY_POSITION;	164	our $EMERGENCY_POSITION;
138		165
139	sub cf::map::normalise;	166	sub cf::map::normalise;
		167
		168	#############################################################################
		169
		170	%REFLECT = ();
		171	for (@REFLECT) {
		172	my $reflect = JSON::XS::decode_json $_;
		173	$REFLECT{$reflect->{class}} = $reflect;
		174	}
		175
		176	# this is decidedly evil
		177	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
140		178
141	#############################################################################	179	#############################################################################
142		180
143	=head2 GLOBAL VARIABLES	181	=head2 GLOBAL VARIABLES
144		182
…		…
191	returns directly I<after> the tick processing (and consequently, can only wake one process	229	returns directly I<after> the tick processing (and consequently, can only wake one process
192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	230	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
193		231
194	=item @cf::INVOKE_RESULTS	232	=item @cf::INVOKE_RESULTS
195		233
196	This array contains the results of the last C<invoke ()> call. When	234	This array contains the results of the last C<invoke ()> call. When
197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	235	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198	that call.	236	that call.
199		237
		238	=item %cf::REFLECT
		239
		240	Contains, for each (C++) class name, a hash reference with information
		241	about object members (methods, scalars, arrays and flags) and other
		242	metadata, which is useful for introspection.
		243
200	=back	244	=back
201		245
202	=cut	246	=cut
203		247
204	BEGIN {	248	$Coro::State::WARNHOOK = sub {
205	*CORE::GLOBAL::warn = sub {
206	my $msg = join "", @_;	249	my $msg = join "", @_;
207		250
208	$msg .= "\n"	251	$msg .= "\n"
209	unless $msg =~ /\n$/;	252	unless $msg =~ /\n$/;
210		253
211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	254	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
212		255
213	LOG llevError, $msg;	256	LOG llevError, $msg;
214	};	257	};
215	}
216		258
217	$Coro::State::DIEHOOK = sub {	259	$Coro::State::DIEHOOK = sub {
218	return unless $^S eq 0; # "eq", not "=="	260	return unless $^S eq 0; # "eq", not "=="
		261
		262	warn Carp::longmess $_[0];
219		263
220	if ($Coro::current == $Coro::main) {#d#	264	if ($Coro::current == $Coro::main) {#d#
221	warn "DIEHOOK called in main context, Coro bug?\n";#d#	265	warn "DIEHOOK called in main context, Coro bug?\n";#d#
222	return;#d#	266	return;#d#
223	}#d#	267	}#d#
224		268
225	# kill coroutine otherwise	269	# kill coroutine otherwise
226	warn Carp::longmess $_[0];
227	Coro::terminate	270	Coro::terminate
228	};	271	};
229
230	$SIG{__DIE__} = sub { }; #d#?
231		272
232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	273	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	274	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	275	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	276	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
242	for my $pkg (qw(	283	for my $pkg (qw(
243	cf::global cf::attachable	284	cf::global cf::attachable
244	cf::object cf::object::player	285	cf::object cf::object::player
245	cf::client cf::player	286	cf::client cf::player
246	cf::arch cf::living	287	cf::arch cf::living
		288	cf::map cf::mapspace
247	cf::map cf::party cf::region	289	cf::party cf::region
248	)) {	290	)) {
249	no strict 'refs';
250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	291	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251	}	292	}
252		293
253	$EV::DIED = sub {	294	$EV::DIED = sub {
254	warn "error in event callback: @_";	295	Carp::cluck "error in event callback: @_";
255	};	296	};
256		297
257	#############################################################################	298	#############################################################################
258		299
259	=head2 UTILITY FUNCTIONS	300	=head2 UTILITY FUNCTIONS
…		…
296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	337	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297		338
298	sub encode_json($) { $json_coder->encode ($_[0]) }	339	sub encode_json($) { $json_coder->encode ($_[0]) }
299	sub decode_json($) { $json_coder->decode ($_[0]) }	340	sub decode_json($) { $json_coder->decode ($_[0]) }
300		341
		342	=item cf::post_init { BLOCK }
		343
		344	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		345	but I<before> the server starts ticking again.
		346
		347	The cdoeblock will have a single boolean argument to indicate whether this
		348	is a reload or not.
		349
		350	=cut
		351
		352	sub post_init(&) {
		353	push @POST_INIT, shift;
		354	}
		355
301	=item cf::lock_wait $string	356	=item cf::lock_wait $string
302		357
303	Wait until the given lock is available. See cf::lock_acquire.	358	Wait until the given lock is available. See cf::lock_acquire.
304		359
305	=item my $lock = cf::lock_acquire $string	360	=item my $lock = cf::lock_acquire $string
306		361
307	Wait until the given lock is available and then acquires it and returns	362	Wait until the given lock is available and then acquires it and returns
308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	363	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
309	for example when the coroutine gets canceled), the lock is automatically	364	for example when the coroutine gets canceled), the lock is automatically
310	returned.	365	returned.
311		366
312	Locks are *not* recursive, locking from the same coro twice results in a	367	Locks are *not* recursive, locking from the same coro twice results in a
313	deadlocked coro.	368	deadlocked coro.
…		…
319		374
320	Return true if the lock is currently active, i.e. somebody has locked it.	375	Return true if the lock is currently active, i.e. somebody has locked it.
321		376
322	=cut	377	=cut
323		378
324	our %LOCK;	379	our $LOCKS = new Coro::SemaphoreSet;
325	our %LOCKER;#d#
326		380
327	sub lock_wait($) {	381	sub lock_wait($) {
328	my ($key) = @_;	382	$LOCKS->wait ($_[0]);
329
330	if ($LOCKER{$key} == $Coro::current) {#d#
331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332	return;#d#
333	}#d#
334
335	# wait for lock, if any
336	while ($LOCK{$key}) {
337	push @{ $LOCK{$key} }, $Coro::current;
338	Coro::schedule;
339	}
340	}	383	}
341		384
342	sub lock_acquire($) {	385	sub lock_acquire($) {
343	my ($key) = @_;	386	$LOCKS->guard ($_[0])
344
345	# wait, to be sure we are not locked
346	lock_wait $key;
347
348	$LOCK{$key} = [];
349	$LOCKER{$key} = $Coro::current;#d#
350
351	Coro::guard {
352	delete $LOCKER{$key};#d#
353	# wake up all waiters, to be on the safe side
354	$_->ready for @{ delete $LOCK{$key} };
355	}
356	}	387	}
357		388
358	sub lock_active($) {	389	sub lock_active($) {
359	my ($key) = @_;	390	$LOCKS->count ($_[0]) < 1
360
361	! ! $LOCK{$key}
362	}	391	}
363		392
364	sub freeze_mainloop {	393	sub freeze_mainloop {
365	tick_inhibit_inc;	394	tick_inhibit_inc;
366		395
367	Coro::guard \&tick_inhibit_dec;	396	&Guard::guard (\&tick_inhibit_dec);
368	}	397	}
369		398
370	=item cf::periodic $interval, $cb	399	=item cf::periodic $interval, $cb
371		400
372	Like EV::periodic, but randomly selects a starting point so that the actions	401	Like EV::periodic, but randomly selects a starting point so that the actions
…		…
724		753
725	#############################################################################	754	#############################################################################
726		755
727	=head2 ATTACHABLE OBJECTS	756	=head2 ATTACHABLE OBJECTS
728		757
729	Many objects in crossfire are so-called attachable objects. That means you can	758	Many objects in deliantra are so-called attachable objects. That means you can
730	attach callbacks/event handlers (a collection of which is called an "attachment")	759	attach callbacks/event handlers (a collection of which is called an "attachment")
731	to it. All such attachable objects support the following methods.	760	to it. All such attachable objects support the following methods.
732		761
733	In the following description, CLASS can be any of C<global>, C<object>	762	In the following description, CLASS can be any of C<global>, C<object>
734	C<player>, C<client> or C<map> (i.e. the attachable objects in	763	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
784	=item cf::CLASS::attachment $name, ...	813	=item cf::CLASS::attachment $name, ...
785		814
786	Register an attachment by C<$name> through which attachable objects of the	815	Register an attachment by C<$name> through which attachable objects of the
787	given CLASS can refer to this attachment.	816	given CLASS can refer to this attachment.
788		817
789	Some classes such as crossfire maps and objects can specify attachments	818	Some classes such as deliantra maps and objects can specify attachments
790	that are attached at load/instantiate time, thus the need for a name.	819	that are attached at load/instantiate time, thus the need for a name.
791		820
792	These calls expect any number of the following handler/hook descriptions:	821	These calls expect any number of the following handler/hook descriptions:
793		822
794	=over 4	823	=over 4
…		…
1085		1114
1086	sub reattach {	1115	sub reattach {
1087	# basically do the same as instantiate, without calling instantiate	1116	# basically do the same as instantiate, without calling instantiate
1088	my ($obj) = @_;	1117	my ($obj) = @_;
1089		1118
		1119	# no longer needed after getting rid of delete_package?
1090	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1120	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1091		1121
1092	my $registry = $obj->registry;	1122	my $registry = $obj->registry;
1093		1123
1094	@$registry = ();	1124	@$registry = ();
1095		1125
…		…
1141	utf8::decode (my $decname = $filename);	1171	utf8::decode (my $decname = $filename);
1142	warn sprintf "saving %s (%d,%d)\n",	1172	warn sprintf "saving %s (%d,%d)\n",
1143	$decname, length $$rdata, scalar @$objs;	1173	$decname, length $$rdata, scalar @$objs;
1144		1174
1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1146	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1177	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1148	aio_fsync $fh if $cf::USE_FSYNC;	1178	if ($cf::USE_FSYNC) {
		1179	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1180	aio_fsync $fh;
		1181	}
1149	close $fh;	1182	aio_close $fh;
1150		1183
1151	if (@$objs) {	1184	if (@$objs) {
1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1185	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1153	chmod SAVE_MODE, $fh;	1186	aio_chmod $fh, SAVE_MODE;
1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1187	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1155	aio_write $fh, 0, (length $data), $data, 0;	1188	aio_write $fh, 0, (length $data), $data, 0;
1156	aio_fsync $fh if $cf::USE_FSYNC;	1189	if ($cf::USE_FSYNC) {
		1190	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1191	aio_fsync $fh;
		1192	}
1157	close $fh;	1193	aio_close $fh;
1158	aio_rename "$filename.pst~", "$filename.pst";	1194	aio_rename "$filename.pst~", "$filename.pst";
1159	}	1195	}
1160	} else {	1196	} else {
1161	aio_unlink "$filename.pst";	1197	aio_unlink "$filename.pst";
1162	}	1198	}
1163		1199
1164	aio_rename "$filename~", $filename;	1200	aio_rename "$filename~", $filename;
		1201
		1202	$filename =~ s%/[^/]+$%%;
		1203	aio_pathsync $filename if $cf::USE_FSYNC;
1165	} else {	1204	} else {
1166	warn "FATAL: $filename~: $!\n";	1205	warn "unable to save objects: $filename~: $!\n";
1167	}	1206	}
1168	} else {	1207	} else {
1169	aio_unlink $filename;	1208	aio_unlink $filename;
1170	aio_unlink "$filename.pst";	1209	aio_unlink "$filename.pst";
1171	}	1210	}
…		…
1262	my ($name, $cb) = @_;	1301	my ($name, $cb) = @_;
1263		1302
1264	$EXTICMD{$name} = $cb;	1303	$EXTICMD{$name} = $cb;
1265	}	1304	}
1266		1305
		1306	use File::Glob ();
		1307
1267	cf::player->attach (	1308	cf::player->attach (
1268	on_command => sub {	1309	on_command => sub {
1269	my ($pl, $name, $params) = @_;	1310	my ($pl, $name, $params) = @_;
1270		1311
1271	my $cb = $COMMAND{$name}	1312	my $cb = $COMMAND{$name}
…		…
1303		1344
1304	cf::override;	1345	cf::override;
1305	},	1346	},
1306	);	1347	);
1307		1348
		1349	# "readahead" all extensions
		1350	sub cache_extensions {
		1351	my $grp = IO::AIO::aio_group;
		1352
		1353	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1354	for (grep /\.ext$/, @{$_[0]}) {
		1355	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1356	}
		1357	};
		1358
		1359	$grp
		1360	}
		1361
1308	sub load_extensions {	1362	sub load_extensions {
1309	cf::sync_job {	1363	cf::sync_job {
1310	my %todo;	1364	my %todo;
1311		1365
1312	for my $path (<$LIBDIR/*.ext>) {	1366	for my $path (<$LIBDIR/*.ext>) {
…		…
1331		1385
1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1386	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1387	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334		1388
1335	$ext{source} =	1389	$ext{source} =
1336	"package $pkg; use strict; use utf8;\n"	1390	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1337	. "#line 1 \"$path\"\n{\n"	1391	. "#line 1 \"$path\"\n{\n"
1338	. $source	1392	. $source
1339	. "\n};\n1";	1393	. "\n};\n1";
1340		1394
1341	$todo{$base} = \%ext;	1395	$todo{$base} = \%ext;
…		…
1381		1435
1382	=back	1436	=back
1383		1437
1384	=head2 CORE EXTENSIONS	1438	=head2 CORE EXTENSIONS
1385		1439
1386	Functions and methods that extend core crossfire objects.	1440	Functions and methods that extend core deliantra objects.
1387		1441
1388	=cut	1442	=cut
1389		1443
1390	package cf::player;	1444	package cf::player;
1391		1445
…		…
1434		1488
1435	sub exists($) {	1489	sub exists($) {
1436	my ($login) = @_;	1490	my ($login) = @_;
1437		1491
1438	$cf::PLAYER{$login}	1492	$cf::PLAYER{$login}
1439	or cf::sync_job { !aio_stat path $login }	1493	or !aio_stat path $login
1440	}	1494	}
1441		1495
1442	sub find($) {	1496	sub find($) {
1443	return $cf::PLAYER{$_[0]} || do {	1497	return $cf::PLAYER{$_[0]} || do {
1444	my $login = $_[0];	1498	my $login = $_[0];
…		…
1456	my $f = new_from_file cf::object::thawer path $login	1510	my $f = new_from_file cf::object::thawer path $login
1457	or return;	1511	or return;
1458		1512
1459	my $pl = cf::player::load_pl $f	1513	my $pl = cf::player::load_pl $f
1460	or return;	1514	or return;
		1515
1461	local $cf::PLAYER_LOADING{$login} = $pl;	1516	local $cf::PLAYER_LOADING{$login} = $pl;
1462	$f->resolve_delayed_derefs;	1517	$f->resolve_delayed_derefs;
1463	$cf::PLAYER{$login} = $pl	1518	$cf::PLAYER{$login} = $pl
1464	}	1519	}
1465	}	1520	}
…		…
1518	my ($pl) = @_;	1573	my ($pl) = @_;
1519		1574
1520	my $name = $pl->ob->name;	1575	my $name = $pl->ob->name;
1521		1576
1522	$pl->{deny_save} = 1;	1577	$pl->{deny_save} = 1;
1523	$pl->password ("*"); # this should lock out the player until we nuked the dir	1578	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1524		1579
1525	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1580	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1526	$pl->deactivate;	1581	$pl->deactivate;
		1582	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1583	$pl->ob->check_score;
1527	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1584	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1528	$pl->ns->destroy if $pl->ns;	1585	$pl->ns->destroy if $pl->ns;
1529		1586
1530	my $path = playerdir $pl;	1587	my $path = playerdir $pl;
1531	my $temp = "$path~$cf::RUNTIME~deleting~";	1588	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1570		1627
1571	for my $login (@$dirs) {	1628	for my $login (@$dirs) {
1572	my $path = path $login;	1629	my $path = path $login;
1573		1630
1574	# a .pst is a dead give-away for a valid player	1631	# a .pst is a dead give-away for a valid player
1575	unless (-e "$path.pst") {	1632	# if no pst file found, open and chekc for blocked users
		1633	if (aio_stat "$path.pst") {
1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1634	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1577	aio_read $fh, 0, 512, my $buf, 0 or next;	1635	aio_read $fh, 0, 512, my $buf, 0 or next;
1578	$buf !~ /^password -------------$/m or next; # official not-valid tag	1636	$buf !~ /^password -------------$/m or next; # official not-valid tag
1579	}	1637	}
1580		1638
…		…
1611	}	1669	}
1612		1670
1613	\@paths	1671	\@paths
1614	}	1672	}
1615		1673
1616	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1674	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1617		1675
1618	Expand crossfire pod fragments into protocol xml.	1676	Expand deliantra pod fragments into protocol xml.
1619
1620	=cut
1621
1622	use re 'eval';
1623
1624	my $group;
1625	my $interior; $interior = qr{
1626	# match a pod interior sequence sans C<< >>
1627	(?:
1628	\ (.*?)\ (?{ $group = $^N })
1629	| < (??{$interior}) >
1630	)
1631	}x;
1632
1633	sub expand_cfpod {
1634	my ($self, $pod) = @_;
1635
1636	my $xml;
1637
1638	while () {
1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1640	$group = $1;
1641
1642	$group =~ s/&/&amp;/g;
1643	$group =~ s/</&lt;/g;
1644
1645	$xml .= $group;
1646	} elsif ($pod =~ m%\G
1647	([BCGHITU])
1648	<
1649	(?:
1650	([^<>]*) (?{ $group = $^N })
1651	| < $interior >
1652	)
1653	>
1654	%gcsx
1655	) {
1656	my ($code, $data) = ($1, $group);
1657
1658	if ($code eq "B") {
1659	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1660	} elsif ($code eq "I") {
1661	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1662	} elsif ($code eq "U") {
1663	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1664	} elsif ($code eq "C") {
1665	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1666	} elsif ($code eq "T") {
1667	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1668	} elsif ($code eq "G") {
1669	my ($male, $female) = split /\|/, $data;
1670	$data = $self->gender ? $female : $male;
1671	$xml .= expand_cfpod ($self, $data);
1672	} elsif ($code eq "H") {
1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1675	"")
1676	[$self->{hintmode}];
1677	} else {
1678	$xml .= "error processing '$code($data)' directive";
1679	}
1680	} else {
1681	if ($pod =~ /\G(.+)/) {
1682	warn "parse error while expanding $pod (at $1)";
1683	}
1684	last;
1685	}
1686	}
1687
1688	for ($xml) {
1689	# create single paragraphs (very hackish)
1690	s/(?<=\S)\n(?=\w)/ /g;
1691
1692	# compress some whitespace
1693	s/\s+\n/\n/g; # ws line-ends
1694	s/\n\n+/\n/g; # double lines
1695	s/^\n+//; # beginning lines
1696	s/\n+$//; # ending lines
1697	}
1698
1699	$xml
1700	}
1701
1702	no re 'eval';
1703
1704	sub hintmode {
1705	$_[0]{hintmode} = $_[1] if @_ > 1;
1706	$_[0]{hintmode}
1707	}
1708		1677
1709	=item $player->ext_reply ($msgid, @msg)	1678	=item $player->ext_reply ($msgid, @msg)
1710		1679
1711	Sends an ext reply to the player.	1680	Sends an ext reply to the player.
1712		1681
…		…
1925		1894
1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	1895	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1927	"$UNIQUEDIR/$path"	1896	"$UNIQUEDIR/$path"
1928	}	1897	}
1929		1898
1930	# and all this just because we cannot iterate over
1931	# all maps in C++...
1932	sub change_all_map_light {
1933	my ($change) = @_;
1934
1935	$_->change_map_light ($change)
1936	for grep $_->outdoor, values %cf::MAP;
1937	}
1938
1939	sub decay_objects {	1899	sub decay_objects {
1940	my ($self) = @_;	1900	my ($self) = @_;
1941		1901
1942	return if $self->{deny_reset};	1902	return if $self->{deny_reset};
1943		1903
…		…
2025	sub find {	1985	sub find {
2026	my ($path, $origin) = @_;	1986	my ($path, $origin) = @_;
2027		1987
2028	$path = normalise $path, $origin && $origin->path;	1988	$path = normalise $path, $origin && $origin->path;
2029		1989
2030	cf::lock_wait "map_data:$path";#d#remove	1990	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2031	cf::lock_wait "map_find:$path";	1991	my $guard2 = cf::lock_acquire "map_find:$path";
2032		1992
2033	$cf::MAP{$path} || do {	1993	$cf::MAP{$path} || do {
2034	my $guard1 = cf::lock_acquire "map_find:$path";
2035	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2036
2037	my $map = new_from_path cf::map $path	1994	my $map = new_from_path cf::map $path
2038	or return;	1995	or return;
2039		1996
2040	$map->{last_save} = $cf::RUNTIME;	1997	$map->{last_save} = $cf::RUNTIME;
2041		1998
…		…
2043	or return;	2000	or return;
2044		2001
2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2002	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2046	# doing this can freeze the server in a sync job, obviously	2003	# doing this can freeze the server in a sync job, obviously
2047	#$cf::WAIT_FOR_TICK->wait;	2004	#$cf::WAIT_FOR_TICK->wait;
		2005	undef $guard2;
2048	undef $guard1;	2006	undef $guard1;
2049	undef $guard2;
2050	$map->reset;	2007	$map->reset;
2051	return find $path;	2008	return find $path;
2052	}	2009	}
2053		2010
2054	$cf::MAP{$path} = $map	2011	$cf::MAP{$path} = $map
…		…
2081	my $f = new_from_file cf::object::thawer $self->{load_path};	2038	my $f = new_from_file cf::object::thawer $self->{load_path};
2082	$f->skip_block;	2039	$f->skip_block;
2083	$self->_load_objects ($f)	2040	$self->_load_objects ($f)
2084	or return;	2041	or return;
2085		2042
2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2043	$self->post_load_original
2087	if delete $self->{load_original};	2044	if delete $self->{load_original};
2088		2045
2089	if (my $uniq = $self->uniq_path) {	2046	if (my $uniq = $self->uniq_path) {
2090	utf8::encode $uniq;	2047	utf8::encode $uniq;
2091	unless (aio_stat $uniq) {	2048	unless (aio_stat $uniq) {
…		…
2109	unless ($self->{deny_activate}) {	2066	unless ($self->{deny_activate}) {
2110	$self->decay_objects;	2067	$self->decay_objects;
2111	$self->fix_auto_apply;	2068	$self->fix_auto_apply;
2112	$self->update_buttons;	2069	$self->update_buttons;
2113	cf::cede_to_tick;	2070	cf::cede_to_tick;
2114	$self->set_darkness_map;
2115	cf::cede_to_tick;
2116	$self->activate;	2071	$self->activate;
2117	}	2072	}
2118		2073
2119	$self->{last_save} = $cf::RUNTIME;	2074	$self->{last_save} = $cf::RUNTIME;
2120	$self->last_access ($cf::RUNTIME);	2075	$self->last_access ($cf::RUNTIME);
…		…
2286		2241
2287	my $lock = cf::lock_acquire "map_data:$self->{path}";	2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
2288		2243
2289	return if $self->players;	2244	return if $self->players;
2290		2245
2291	warn "resetting map ", $self->path;	2246	warn "resetting map ", $self->path, "\n";
2292		2247
2293	$self->in_memory (cf::MAP_SWAPPED);	2248	$self->in_memory (cf::MAP_SWAPPED);
2294		2249
2295	# need to save uniques path	2250	# need to save uniques path
2296	unless ($self->{deny_save}) {	2251	unless ($self->{deny_save}) {
…		…
2387	: normalise $_	2342	: normalise $_
2388	} @{ aio_readdir $UNIQUEDIR or [] }	2343	} @{ aio_readdir $UNIQUEDIR or [] }
2389	]	2344	]
2390	}	2345	}
2391		2346
		2347	=item cf::map::static_maps
		2348
		2349	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2350	file in the shared directory excluding F</styles> and F</editor>). May
		2351	block.
		2352
		2353	=cut
		2354
		2355	sub static_maps() {
		2356	my @dirs = "";
		2357	my @maps;
		2358
		2359	while (@dirs) {
		2360	my $dir = shift @dirs;
		2361
		2362	next if $dir eq "/styles" || $dir eq "/editor";
		2363
		2364	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2365	or return;
		2366
		2367	for (@$files) {
		2368	s/\.map$// or next;
		2369	utf8::decode $_;
		2370	push @maps, "$dir/$_";
		2371	}
		2372
		2373	push @dirs, map "$dir/$_", @$dirs;
		2374	}
		2375
		2376	\@maps
		2377	}
		2378
2392	=back	2379	=back
2393		2380
2394	=head3 cf::object	2381	=head3 cf::object
2395		2382
2396	=cut	2383	=cut
…		…
2457	can be C<undef>. Does the right thing when the player is currently in a	2444	can be C<undef>. Does the right thing when the player is currently in a
2458	dialogue with the given NPC character.	2445	dialogue with the given NPC character.
2459		2446
2460	=cut	2447	=cut
2461		2448
		2449	our $SAY_CHANNEL = {
		2450	id => "say",
		2451	title => "Map",
		2452	reply => "say ",
		2453	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2454	};
		2455
		2456	our $CHAT_CHANNEL = {
		2457	id => "chat",
		2458	title => "Chat",
		2459	reply => "chat ",
		2460	tooltip => "Player chat and shouts, global to the server.",
		2461	};
		2462
2462	# rough implementation of a future "reply" method that works	2463	# rough implementation of a future "reply" method that works
2463	# with dialog boxes.	2464	# with dialog boxes.
2464	#TODO: the first argument must go, split into a $npc->reply_to ( method	2465	#TODO: the first argument must go, split into a $npc->reply_to ( method
2465	sub cf::object::player::reply($$$;$) {	2466	sub cf::object::player::reply($$$;$) {
2466	my ($self, $npc, $msg, $flags) = @_;	2467	my ($self, $npc, $msg, $flags) = @_;
…		…
2477	my $dialog = $pl->{npc_dialog};	2478	my $dialog = $pl->{npc_dialog};
2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2479	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2479		2480
2480	} else {	2481	} else {
2481	$msg = $npc->name . " says: $msg" if $npc;	2482	$msg = $npc->name . " says: $msg" if $npc;
2482	$self->message ($msg, $flags);	2483	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2483	}	2484	}
2484	}	2485	}
2485	}	2486	}
2486		2487
2487	=item $object->send_msg ($channel, $msg, $color, [extra...])	2488	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2512		2513
2513	=item $player_object->enter_link	2514	=item $player_object->enter_link
2514		2515
2515	Freezes the player and moves him/her to a special map (C<{link}>).	2516	Freezes the player and moves him/her to a special map (C<{link}>).
2516		2517
2517	The player should be reasonably safe there for short amounts of time. You	2518	The player should be reasonably safe there for short amounts of time (e.g.
2518	I<MUST> call C<leave_link> as soon as possible, though.	2519	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2520	though, as the palyer cannot control the character while it is on the link
		2521	map.
2519		2522
2520	Will never block.	2523	Will never block.
2521		2524
2522	=item $player_object->leave_link ($map, $x, $y)	2525	=item $player_object->leave_link ($map, $x, $y)
2523		2526
…		…
2575	($x, $y) = (-1, -1)	2578	($x, $y) = (-1, -1)
2576	unless (defined $x) && (defined $y);	2579	unless (defined $x) && (defined $y);
2577		2580
2578	# use -1 or undef as default coordinates, not 0, 0	2581	# use -1 or undef as default coordinates, not 0, 0
2579	($x, $y) = ($map->enter_x, $map->enter_y)	2582	($x, $y) = ($map->enter_x, $map->enter_y)
2580	if $x <=0 && $y <= 0;	2583	if $x <= 0 && $y <= 0;
2581		2584
2582	$map->load;	2585	$map->load;
2583	$map->load_neighbours;	2586	$map->load_neighbours;
2584		2587
2585	return unless $self->contr->active;	2588	return unless $self->contr->active;
2586	$self->activate_recursive;
2587		2589
2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2590	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2589	$self->enter_map ($map, $x, $y);	2591	$self->enter_map ($map, $x, $y);
		2592
		2593	# only activate afterwards, to support waiting in hooks
		2594	$self->activate_recursive;
2590	}	2595	}
2591		2596
2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2597	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2593		2598
2594	Moves the player to the given map-path and coordinates by first freezing	2599	Moves the player to the given map-path and coordinates by first freezing
2595	her, loading and preparing them map, calling the provided $check callback	2600	her, loading and preparing them map, calling the provided $check callback
2596	that has to return the map if sucecssful, and then unfreezes the player on	2601	that has to return the map if sucecssful, and then unfreezes the player on
2597	the new (success) or old (failed) map position. In either case, $done will	2602	the new (success) or old (failed) map position. In either case, $done will
2598	be called at the end of this process.	2603	be called at the end of this process.
		2604
		2605	Note that $check will be called with a potentially non-loaded map, so if
		2606	it needs a loaded map it has to call C<< ->load >>.
2599		2607
2600	=cut	2608	=cut
2601		2609
2602	our $GOTOGEN;	2610	our $GOTOGEN;
2603		2611
…		…
2682	}	2690	}
2683		2691
2684	sub prepare_random_map {	2692	sub prepare_random_map {
2685	my ($exit) = @_;	2693	my ($exit) = @_;
2686		2694
2687	my $guard = cf::lock_acquire "exit_prepare:$exit";
2688
2689	# all this does is basically replace the /! path by	2695	# all this does is basically replace the /! path by
2690	# a new random map path (?random/...) with a seed	2696	# a new random map path (?random/...) with a seed
2691	# that depends on the exit object	2697	# that depends on the exit object
2692		2698
2693	my $rmp = parse_random_map_params $exit->msg;	2699	my $rmp = parse_random_map_params $exit->msg;
…		…
2695	if ($exit->map) {	2701	if ($exit->map) {
2696	$rmp->{region} = $exit->region->name;	2702	$rmp->{region} = $exit->region->name;
2697	$rmp->{origin_map} = $exit->map->path;	2703	$rmp->{origin_map} = $exit->map->path;
2698	$rmp->{origin_x} = $exit->x;	2704	$rmp->{origin_x} = $exit->x;
2699	$rmp->{origin_y} = $exit->y;	2705	$rmp->{origin_y} = $exit->y;
		2706
		2707	$exit->map->touch;
2700	}	2708	}
2701		2709
2702	$rmp->{random_seed} ||= $exit->random_seed;	2710	$rmp->{random_seed} ||= $exit->random_seed;
2703		2711
2704	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);	2712	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
…		…
2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2716	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2709	aio_write $fh, 0, (length $data), $data, 0;	2717	aio_write $fh, 0, (length $data), $data, 0;
2710	undef $fh;	2718	undef $fh;
2711	aio_rename "$meta~", $meta;	2719	aio_rename "$meta~", $meta;
2712		2720
		2721	my $slaying = "?random/$md5";
		2722
		2723	if ($exit->valid) {
2713	$exit->slaying ("?random/$md5");	2724	$exit->slaying ("?random/$md5");
2714	$exit->msg (undef);	2725	$exit->msg (undef);
		2726	}
2715	}	2727	}
2716	}	2728	}
2717		2729
2718	sub cf::object::player::enter_exit {	2730	sub cf::object::player::enter_exit {
2719	my ($self, $exit) = @_;	2731	my ($self, $exit) = @_;
2720		2732
2721	return unless $self->type == cf::PLAYER;	2733	return unless $self->type == cf::PLAYER;
2722		2734
2723	if ($exit->slaying eq "/!") {
2724	#TODO: this should de-fi-ni-te-ly not be a sync-job
2725	# the problem is that $exit might not survive long enough
2726	# so it needs to be done right now, right here
2727	cf::sync_job { prepare_random_map $exit };
2728	}
2729
2730	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2731	my $hp = $exit->stats->hp;
2732	my $sp = $exit->stats->sp;
2733
2734	$self->enter_link;	2735	$self->enter_link;
2735		2736
2736	# if exit is damned, update players death & WoR home-position
2737	$self->contr->savebed ($slaying, $hp, $sp)
2738	if $exit->flag (FLAG_DAMNED);
2739
2740	(async {	2737	(async {
2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2738	$Coro::current->{desc} = "enter_exit";
2742		2739
2743	$self->deactivate_recursive; # just to be sure
2744	unless (eval {	2740	unless (eval {
		2741	$self->deactivate_recursive; # just to be sure
		2742
		2743	# random map handling
		2744	{
		2745	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2746
		2747	prepare_random_map $exit
		2748	if $exit->slaying eq "/!";
		2749	}
		2750
		2751	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2752	my $x = $exit->stats->hp;
		2753	my $y = $exit->stats->sp;
		2754
2745	$self->goto ($slaying, $hp, $sp);	2755	$self->goto ($map, $x, $y);
2746		2756
		2757	# if exit is damned, update players death & WoR home-position
		2758	$self->contr->savebed ($map, $x, $y)
		2759	if $exit->flag (cf::FLAG_DAMNED);
		2760
2747	1;	2761	1
2748	}) {	2762	}) {
2749	$self->message ("Something went wrong deep within the crossfire server. "	2763	$self->message ("Something went wrong deep within the deliantra server. "
2750	. "I'll try to bring you back to the map you were before. "	2764	. "I'll try to bring you back to the map you were before. "
2751	. "Please report this to the dungeon master!",	2765	. "Please report this to the dungeon master!",
2752	cf::NDI_UNIQUE | cf::NDI_RED);	2766	cf::NDI_UNIQUE | cf::NDI_RED);
2753		2767
2754	warn "ERROR in enter_exit: $@";	2768	warn "ERROR in enter_exit: $@";
…		…
2784		2798
2785	=cut	2799	=cut
2786		2800
2787	# non-persistent channels (usually the info channel)	2801	# non-persistent channels (usually the info channel)
2788	our %CHANNEL = (	2802	our %CHANNEL = (
		2803	"c/motd" => {
		2804	id => "infobox",
		2805	title => "MOTD",
		2806	reply => undef,
		2807	tooltip => "The message of the day",
		2808	},
2789	"c/identify" => {	2809	"c/identify" => {
2790	id => "infobox",	2810	id => "infobox",
2791	title => "Identify",	2811	title => "Identify",
2792	reply => undef,	2812	reply => undef,
2793	tooltip => "Items recently identified",	2813	tooltip => "Items recently identified",
…		…
2795	"c/examine" => {	2815	"c/examine" => {
2796	id => "infobox",	2816	id => "infobox",
2797	title => "Examine",	2817	title => "Examine",
2798	reply => undef,	2818	reply => undef,
2799	tooltip => "Signs and other items you examined",	2819	tooltip => "Signs and other items you examined",
		2820	},
		2821	"c/shopinfo" => {
		2822	id => "infobox",
		2823	title => "Shop Info",
		2824	reply => undef,
		2825	tooltip => "What your bargaining skill tells you about the shop",
2800	},	2826	},
2801	"c/book" => {	2827	"c/book" => {
2802	id => "infobox",	2828	id => "infobox",
2803	title => "Book",	2829	title => "Book",
2804	reply => undef,	2830	reply => undef,
…		…
2820	id => "infobox",	2846	id => "infobox",
2821	title => "Body Parts",	2847	title => "Body Parts",
2822	reply => undef,	2848	reply => undef,
2823	tooltip => "Shows which body parts you posess and are available",	2849	tooltip => "Shows which body parts you posess and are available",
2824	},	2850	},
		2851	"c/statistics" => {
		2852	id => "infobox",
		2853	title => "Statistics",
		2854	reply => undef,
		2855	tooltip => "Shows your primary statistics",
		2856	},
		2857	"c/skills" => {
		2858	id => "infobox",
		2859	title => "Skills",
		2860	reply => undef,
		2861	tooltip => "Shows your experience per skill and item power",
		2862	},
		2863	"c/shopitems" => {
		2864	id => "infobox",
		2865	title => "Shop Items",
		2866	reply => undef,
		2867	tooltip => "Shows the items currently for sale in this shop",
		2868	},
		2869	"c/resistances" => {
		2870	id => "infobox",
		2871	title => "Resistances",
		2872	reply => undef,
		2873	tooltip => "Shows your resistances",
		2874	},
		2875	"c/pets" => {
		2876	id => "infobox",
		2877	title => "Pets",
		2878	reply => undef,
		2879	tooltip => "Shows information abotu your pets/a specific pet",
		2880	},
		2881	"c/perceiveself" => {
		2882	id => "infobox",
		2883	title => "Perceive Self",
		2884	reply => undef,
		2885	tooltip => "You gained detailed knowledge about yourself",
		2886	},
2825	"c/uptime" => {	2887	"c/uptime" => {
2826	id => "infobox",	2888	id => "infobox",
2827	title => "Uptime",	2889	title => "Uptime",
2828	reply => undef,	2890	reply => undef,
2829	tooltip => "How long the server has been running since last restart",	2891	tooltip => "How long the server has been running since last restart",
…		…
2832	id => "infobox",	2894	id => "infobox",
2833	title => "Map Info",	2895	title => "Map Info",
2834	reply => undef,	2896	reply => undef,
2835	tooltip => "Information related to the maps",	2897	tooltip => "Information related to the maps",
2836	},	2898	},
		2899	"c/party" => {
		2900	id => "party",
		2901	title => "Party",
		2902	reply => "gsay ",
		2903	tooltip => "Messages and chat related to your party",
		2904	},
		2905	"c/death" => {
		2906	id => "death",
		2907	title => "Death",
		2908	reply => undef,
		2909	tooltip => "Reason for and more info about your most recent death",
		2910	},
		2911	"c/say" => $SAY_CHANNEL,
		2912	"c/chat" => $CHAT_CHANNEL,
2837	);	2913	);
2838		2914
2839	sub cf::client::send_msg {	2915	sub cf::client::send_msg {
2840	my ($self, $channel, $msg, $color, @extra) = @_;	2916	my ($self, $channel, $msg, $color, @extra) = @_;
2841		2917
2842	$msg = $self->pl->expand_cfpod ($msg);	2918	$msg = $self->pl->expand_cfpod ($msg)
		2919	unless $color & cf::NDI_VERBATIM;
2843		2920
2844	$color &= cf::NDI_CLIENT_MASK; # just in case...	2921	$color &= cf::NDI_CLIENT_MASK; # just in case...
2845		2922
2846	# check predefined channels, for the benefit of C	2923	# check predefined channels, for the benefit of C
2847	if ($CHANNEL{$channel}) {	2924	if ($CHANNEL{$channel}) {
2848	$channel = $CHANNEL{$channel};	2925	$channel = $CHANNEL{$channel};
2849		2926
2850	$self->ext_msg (channel_info => $channel)	2927	$self->ext_msg (channel_info => $channel);
2851	if $self->can_msg;
2852
2853	$channel = $channel->{id};	2928	$channel = $channel->{id};
2854		2929
2855	} elsif (ref $channel) {	2930	} elsif (ref $channel) {
2856	# send meta info to client, if not yet sent	2931	# send meta info to client, if not yet sent
2857	unless (exists $self->{channel}{$channel->{id}}) {	2932	unless (exists $self->{channel}{$channel->{id}}) {
2858	$self->{channel}{$channel->{id}} = $channel;	2933	$self->{channel}{$channel->{id}} = $channel;
2859	$self->ext_msg (channel_info => $channel)	2934	$self->ext_msg (channel_info => $channel);
2860	if $self->can_msg;
2861	}	2935	}
2862		2936
2863	$channel = $channel->{id};	2937	$channel = $channel->{id};
2864	}	2938	}
2865		2939
2866	return unless @extra || length $msg;	2940	return unless @extra || length $msg;
2867		2941
2868	if ($self->can_msg) {
2869	# default colour, mask it out	2942	# default colour, mask it out
2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2943	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2871	if $color & cf::NDI_DEF;	2944	if $color & cf::NDI_DEF;
2872		2945
2873	$self->send_packet ("msg " . $self->{json_coder}->encode (	2946	my $pkt = "msg "
		2947	. $self->{json_coder}->encode (
2874	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2948	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2875	} else {	2949	);
2876	if ($color >= 0) {
2877	# replace some tags by gcfclient-compatible ones
2878	for ($msg) {
2879	1 while
2880	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2881	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2882	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2883	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2884	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2885	}
2886		2950
2887	$color &= cf::NDI_COLOR_MASK;	2951	# try lzf for large packets
		2952	$pkt = "lzf " . Compress::LZF::compress $pkt
		2953	if 1024 <= length $pkt and $self->{can_lzf};
2888		2954
2889	utf8::encode $msg;	2955	# split very large packets
2890		2956	if (8192 < length $pkt and $self->{can_lzf}) {
2891	if (0 && $msg =~ /\[/) {	2957	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2892	# COMMAND/INFO	2958	$pkt = "frag";
2893	$self->send_packet ("drawextinfo $color 10 8 $msg")
2894	} else {
2895	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2896	$self->send_packet ("drawinfo $color $msg")
2897	}
2898	}
2899	}	2959	}
		2960
		2961	$self->send_packet ($pkt);
2900	}	2962	}
2901		2963
2902	=item $client->ext_msg ($type, @msg)	2964	=item $client->ext_msg ($type, @msg)
2903		2965
2904	Sends an ext event to the client.	2966	Sends an ext event to the client.
…		…
3078		3140
3079	The following functions and methods are available within a safe environment:	3141	The following functions and methods are available within a safe environment:
3080		3142
3081	cf::object	3143	cf::object
3082	contr pay_amount pay_player map x y force_find force_add destroy	3144	contr pay_amount pay_player map x y force_find force_add destroy
3083	insert remove name archname title slaying race decrease_ob_nr	3145	insert remove name archname title slaying race decrease split
		3146	value
3084		3147
3085	cf::object::player	3148	cf::object::player
3086	player	3149	player
3087		3150
3088	cf::player	3151	cf::player
…		…
3093		3156
3094	=cut	3157	=cut
3095		3158
3096	for (	3159	for (
3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3160	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3098	insert remove inv name archname title slaying race	3161	insert remove inv nrof name archname title slaying race
3099	decrease_ob_nr destroy)],	3162	decrease split destroy change_exp value msg lore send_msg)],
3100	["cf::object::player" => qw(player)],	3163	["cf::object::player" => qw(player)],
3101	["cf::player" => qw(peaceful)],	3164	["cf::player" => qw(peaceful send_msg)],
3102	["cf::map" => qw(trigger)],	3165	["cf::map" => qw(trigger)],
3103	) {	3166	) {
3104	no strict 'refs';	3167	no strict 'refs';
3105	my ($pkg, @funs) = @$_;	3168	my ($pkg, @funs) = @$_;
3106	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3169	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3123	my ($code, %vars) = @_;	3186	my ($code, %vars) = @_;
3124		3187
3125	my $qcode = $code;	3188	my $qcode = $code;
3126	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3189	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3127	$qcode =~ s/\n/\\n/g;	3190	$qcode =~ s/\n/\\n/g;
		3191
		3192	%vars = (_dummy => 0) unless %vars;
3128		3193
3129	local $_;	3194	local $_;
3130	local @safe::cf::_safe_eval_args = values %vars;	3195	local @safe::cf::_safe_eval_args = values %vars;
3131		3196
3132	my $eval =	3197	my $eval =
…		…
3313	$ns->fx_want ($k, $v);	3378	$ns->fx_want ($k, $v);
3314	}	3379	}
3315	};	3380	};
3316		3381
3317	sub load_resource_file($) {	3382	sub load_resource_file($) {
		3383	my $guard = lock_acquire "load_resource_file";
		3384
3318	my $status = load_resource_file_ $_[0];	3385	my $status = load_resource_file_ $_[0];
3319	get_slot 0.1, 100;	3386	get_slot 0.1, 100;
3320	cf::arch::commit_load;	3387	cf::arch::commit_load;
		3388
3321	$status	3389	$status
3322	}	3390	}
3323		3391
3324	sub reload_regions {	3392	sub reload_regions {
3325	# HACK to clear player env face cache, we need some signal framework	3393	# HACK to clear player env face cache, we need some signal framework
…		…
3359	reload_treasures;	3427	reload_treasures;
3360		3428
3361	warn "finished reloading resource files\n";	3429	warn "finished reloading resource files\n";
3362	}	3430	}
3363		3431
3364	sub init {
3365	my $guard = freeze_mainloop;
3366
3367	reload_resources;
3368	}
3369
3370	sub reload_config {	3432	sub reload_config {
		3433	warn "reloading config file...\n";
		3434
3371	open my $fh, "<:utf8", "$CONFDIR/config"	3435	open my $fh, "<:utf8", "$CONFDIR/config"
3372	or return;	3436	or return;
3373		3437
3374	local $/;	3438	local $/;
3375	*CFG = YAML::Load <$fh>;	3439	*CFG = YAML::XS::Load scalar <$fh>;
3376		3440
3377	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3441	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3378		3442
3379	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3443	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3380	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3444	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3384	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3448	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3385	and die "WARNING: m(un)lockall failed: $!\n";	3449	and die "WARNING: m(un)lockall failed: $!\n";
3386	};	3450	};
3387	warn $@ if $@;	3451	warn $@ if $@;
3388	}	3452	}
		3453
		3454	warn "finished reloading resource files\n";
		3455	}
		3456
		3457	sub pidfile() {
		3458	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3459	or die "$PIDFILE: $!";
		3460	flock $fh, &Fcntl::LOCK_EX
		3461	or die "$PIDFILE: flock: $!";
		3462	$fh
		3463	}
		3464
		3465	# make sure only one server instance is running at any one time
		3466	sub atomic {
		3467	my $fh = pidfile;
		3468
		3469	my $pid = <$fh>;
		3470	kill 9, $pid if $pid > 0;
		3471
		3472	seek $fh, 0, 0;
		3473	print $fh $$;
		3474	}
		3475
		3476	sub main_loop {
		3477	warn "EV::loop starting\n";
		3478	if (1) {
		3479	EV::loop;
		3480	}
		3481	warn "EV::loop returned\n";
		3482	goto &main_loop unless $REALLY_UNLOOP;
3389	}	3483	}
3390		3484
3391	sub main {	3485	sub main {
		3486	cf::init_globals; # initialise logging
		3487
		3488	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3489	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3490	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3491	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3492
		3493	cf::init_experience;
		3494	cf::init_anim;
		3495	cf::init_attackmess;
		3496	cf::init_dynamic;
		3497
		3498	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3499
3392	# we must not ever block the main coroutine	3500	# we must not ever block the main coroutine
3393	local $Coro::idle = sub {	3501	local $Coro::idle = sub {
3394	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3502	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3395	(async {	3503	(async {
3396	$Coro::current->{desc} = "IDLE BUG HANDLER";	3504	$Coro::current->{desc} = "IDLE BUG HANDLER";
3397	EV::loop EV::LOOP_ONESHOT;	3505	EV::loop EV::LOOP_ONESHOT;
3398	})->prio (Coro::PRIO_MAX);	3506	})->prio (Coro::PRIO_MAX);
3399	};	3507	};
3400		3508
3401	{	3509	evthread_start IO::AIO::poll_fileno;
3402	my $guard = freeze_mainloop;	3510
		3511	cf::sync_job {
		3512	reload_resources;
3403	reload_config;	3513	reload_config;
3404	db_init;	3514	db_init;
		3515
		3516	cf::load_settings;
		3517	cf::load_materials;
		3518	cf::init_uuid;
		3519	cf::init_signals;
		3520	cf::init_commands;
		3521	cf::init_skills;
		3522
		3523	cf::init_beforeplay;
		3524
		3525	atomic;
		3526
3405	load_extensions;	3527	load_extensions;
3406		3528
3407	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3529	utime time, time, $RUNTIMEFILE;
3408	evthread_start IO::AIO::poll_fileno;	3530
		3531	# no (long-running) fork's whatsoever before this point(!)
		3532	use POSIX ();
		3533	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3534
		3535	(pop @POST_INIT)->(0) while @POST_INIT;
3409	}	3536	};
3410		3537
3411	EV::loop;	3538	main_loop;
3412	}	3539	}
3413		3540
3414	#############################################################################	3541	#############################################################################
3415	# initialisation and cleanup	3542	# initialisation and cleanup
3416		3543
…		…
3423	};	3550	};
3424	}	3551	}
3425	}	3552	}
3426		3553
3427	sub write_runtime_sync {	3554	sub write_runtime_sync {
3428	my $runtime = "$LOCALDIR/runtime";
3429
3430	# first touch the runtime file to show we are still running:	3555	# first touch the runtime file to show we are still running:
3431	# the fsync below can take a very very long time.	3556	# the fsync below can take a very very long time.
3432		3557
3433	IO::AIO::aio_utime $runtime, undef, undef;	3558	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3434		3559
3435	my $guard = cf::lock_acquire "write_runtime";	3560	my $guard = cf::lock_acquire "write_runtime";
3436		3561
3437	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3562	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3438	or return;	3563	or return;
3439		3564
3440	my $value = $cf::RUNTIME + 90 + 10;	3565	my $value = $cf::RUNTIME + 90 + 10;
3441	# 10 is the runtime save interval, for a monotonic clock	3566	# 10 is the runtime save interval, for a monotonic clock
3442	# 60 allows for the watchdog to kill the server.	3567	# 60 allows for the watchdog to kill the server.
…		…
3452	aio_utime $fh, undef, undef;	3577	aio_utime $fh, undef, undef;
3453		3578
3454	close $fh	3579	close $fh
3455	or return;	3580	or return;
3456		3581
3457	aio_rename "$runtime~", $runtime	3582	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3458	and return;	3583	and return;
3459		3584
3460	warn "runtime file written.\n";	3585	warn "runtime file written.\n";
3461		3586
3462	1	3587	1
…		…
3474	my $uuid = "$LOCALDIR/uuid";	3599	my $uuid = "$LOCALDIR/uuid";
3475		3600
3476	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3601	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3477	or return;	3602	or return;
3478		3603
3479	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3604	my $value = uuid_seq uuid_cur;
		3605
		3606	unless ($value) {
		3607	warn "cowardly refusing to write zero uuid value!\n";
		3608	return;
		3609	}
		3610
		3611	my $value = uuid_str $value + $uuid_skip;
3480	$uuid_skip = 0;	3612	$uuid_skip = 0;
3481		3613
3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3614	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3483	and return;	3615	and return;
3484		3616
…		…
3506	}	3638	}
3507		3639
3508	sub emergency_save() {	3640	sub emergency_save() {
3509	my $freeze_guard = cf::freeze_mainloop;	3641	my $freeze_guard = cf::freeze_mainloop;
3510		3642
3511	warn "enter emergency perl save\n";	3643	warn "emergency_perl_save: enter\n";
3512		3644
3513	cf::sync_job {	3645	cf::sync_job {
		3646	# this is a trade-off: we want to be very quick here, so
		3647	# save all maps without fsync, and later call a global sync
		3648	# (which in turn might be very very slow)
		3649	local $USE_FSYNC = 0;
		3650
3514	# use a peculiar iteration method to avoid tripping on perl	3651	# use a peculiar iteration method to avoid tripping on perl
3515	# refcount bugs in for. also avoids problems with players	3652	# refcount bugs in for. also avoids problems with players
3516	# and maps saved/destroyed asynchronously.	3653	# and maps saved/destroyed asynchronously.
3517	warn "begin emergency player save\n";	3654	warn "emergency_perl_save: begin player save\n";
3518	for my $login (keys %cf::PLAYER) {	3655	for my $login (keys %cf::PLAYER) {
3519	my $pl = $cf::PLAYER{$login} or next;	3656	my $pl = $cf::PLAYER{$login} or next;
3520	$pl->valid or next;	3657	$pl->valid or next;
3521	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3658	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3522	$pl->save;	3659	$pl->save;
3523	}	3660	}
3524	warn "end emergency player save\n";	3661	warn "emergency_perl_save: end player save\n";
3525		3662
3526	warn "begin emergency map save\n";	3663	warn "emergency_perl_save: begin map save\n";
3527	for my $path (keys %cf::MAP) {	3664	for my $path (keys %cf::MAP) {
3528	my $map = $cf::MAP{$path} or next;	3665	my $map = $cf::MAP{$path} or next;
3529	$map->valid or next;	3666	$map->valid or next;
3530	$map->save;	3667	$map->save;
3531	}	3668	}
3532	warn "end emergency map save\n";	3669	warn "emergency_perl_save: end map save\n";
3533		3670
3534	warn "begin emergency database checkpoint\n";	3671	warn "emergency_perl_save: begin database checkpoint\n";
3535	BDB::db_env_txn_checkpoint $DB_ENV;	3672	BDB::db_env_txn_checkpoint $DB_ENV;
3536	warn "end emergency database checkpoint\n";	3673	warn "emergency_perl_save: end database checkpoint\n";
3537		3674
3538	warn "begin write uuid\n";	3675	warn "emergency_perl_save: begin write uuid\n";
3539	write_uuid_sync 1;	3676	write_uuid_sync 1;
3540	warn "end write uuid\n";	3677	warn "emergency_perl_save: end write uuid\n";
3541	};	3678	};
3542		3679
		3680	warn "emergency_perl_save: starting sync()\n";
		3681	IO::AIO::aio_sync sub {
		3682	warn "emergency_perl_save: finished sync()\n";
		3683	};
		3684
3543	warn "leave emergency perl save\n";	3685	warn "emergency_perl_save: leave\n";
3544	}	3686	}
3545		3687
3546	sub post_cleanup {	3688	sub post_cleanup {
3547	my ($make_core) = @_;	3689	my ($make_core) = @_;
3548		3690
3549	warn Carp::longmess "post_cleanup backtrace"	3691	warn Carp::longmess "post_cleanup backtrace"
3550	if $make_core;	3692	if $make_core;
		3693
		3694	my $fh = pidfile;
		3695	unlink $PIDFILE if <$fh> == $$;
		3696	}
		3697
		3698	# a safer delete_package, copied from Symbol
		3699	sub clear_package($) {
		3700	my $pkg = shift;
		3701
		3702	# expand to full symbol table name if needed
		3703	unless ($pkg =~ /^main::.*::$/) {
		3704	$pkg = "main$pkg" if $pkg =~ /^::/;
		3705	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3706	$pkg .= '::' unless $pkg =~ /::$/;
		3707	}
		3708
		3709	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3710	my $stem_symtab = *{$stem}{HASH};
		3711
		3712	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3713	or return;
		3714
		3715	# clear all symbols
		3716	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3717	for my $name (keys %$leaf_symtab) {
		3718	_gv_clear *{"$pkg$name"};
		3719	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3720	}
		3721	warn "cleared package $pkg\n";#d#
3551	}	3722	}
3552		3723
3553	sub do_reload_perl() {	3724	sub do_reload_perl() {
3554	# can/must only be called in main	3725	# can/must only be called in main
3555	if ($Coro::current != $Coro::main) {	3726	if ($Coro::current != $Coro::main) {
3556	warn "can only reload from main coroutine";	3727	warn "can only reload from main coroutine";
3557	return;	3728	return;
3558	}	3729	}
3559		3730
		3731	return if $RELOAD++;
		3732
		3733	my $t1 = EV::time;
		3734
		3735	while ($RELOAD) {
3560	warn "reloading...";	3736	warn "reloading...";
3561		3737
3562	warn "entering sync_job";	3738	warn "entering sync_job";
3563		3739
3564	cf::sync_job {	3740	cf::sync_job {
3565	cf::write_runtime_sync; # external watchdog should not bark	3741	cf::write_runtime_sync; # external watchdog should not bark
3566	cf::emergency_save;	3742	cf::emergency_save;
3567	cf::write_runtime_sync; # external watchdog should not bark	3743	cf::write_runtime_sync; # external watchdog should not bark
3568		3744
3569	warn "syncing database to disk";	3745	warn "syncing database to disk";
3570	BDB::db_env_txn_checkpoint $DB_ENV;	3746	BDB::db_env_txn_checkpoint $DB_ENV;
3571		3747
3572	# if anything goes wrong in here, we should simply crash as we already saved	3748	# if anything goes wrong in here, we should simply crash as we already saved
3573		3749
3574	warn "flushing outstanding aio requests";	3750	warn "flushing outstanding aio requests";
3575	for (;;) {
3576	BDB::flush;
3577	IO::AIO::flush;
3578	Coro::cede_notself;
3579	last unless IO::AIO::nreqs || BDB::nreqs;	3751	while (IO::AIO::nreqs || BDB::nreqs) {
3580	warn "iterate...";	3752	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3581	}
3582
3583	++$RELOAD;
3584
3585	warn "cancelling all extension coros";
3586	$_->cancel for values %EXT_CORO;
3587	%EXT_CORO = ();
3588
3589	warn "removing commands";
3590	%COMMAND = ();
3591
3592	warn "removing ext/exti commands";
3593	%EXTCMD = ();
3594	%EXTICMD = ();
3595
3596	warn "unloading/nuking all extensions";
3597	for my $pkg (@EXTS) {
3598	warn "... unloading $pkg";
3599
3600	if (my $cb = $pkg->can ("unload")) {
3601	eval {
3602	$cb->($pkg);
3603	1
3604	} or warn "$pkg unloaded, but with errors: $@";
3605	}	3753	}
3606		3754
3607	warn "... nuking $pkg";	3755	warn "cancelling all extension coros";
3608	Symbol::delete_package $pkg;	3756	$_->cancel for values %EXT_CORO;
3609	}	3757	%EXT_CORO = ();
3610		3758
3611	warn "unloading all perl modules loaded from $LIBDIR";	3759	warn "removing commands";
3612	while (my ($k, $v) = each %INC) {	3760	%COMMAND = ();
3613	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3614		3761
		3762	warn "removing ext/exti commands";
		3763	%EXTCMD = ();
		3764	%EXTICMD = ();
		3765
		3766	warn "unloading/nuking all extensions";
		3767	for my $pkg (@EXTS) {
3615	warn "... unloading $k";	3768	warn "... unloading $pkg";
3616	delete $INC{$k};
3617		3769
3618	$k =~ s/\.pm$//;
3619	$k =~ s/\//::/g;
3620
3621	if (my $cb = $k->can ("unload_module")) {	3770	if (my $cb = $pkg->can ("unload")) {
		3771	eval {
3622	$cb->();	3772	$cb->($pkg);
		3773	1
		3774	} or warn "$pkg unloaded, but with errors: $@";
		3775	}
		3776
		3777	warn "... clearing $pkg";
		3778	clear_package $pkg;
3623	}	3779	}
3624		3780
3625	Symbol::delete_package $k;	3781	warn "unloading all perl modules loaded from $LIBDIR";
		3782	while (my ($k, $v) = each %INC) {
		3783	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3784
		3785	warn "... unloading $k";
		3786	delete $INC{$k};
		3787
		3788	$k =~ s/\.pm$//;
		3789	$k =~ s/\//::/g;
		3790
		3791	if (my $cb = $k->can ("unload_module")) {
		3792	$cb->();
		3793	}
		3794
		3795	clear_package $k;
3626	}	3796	}
3627		3797
3628	warn "getting rid of safe::, as good as possible";	3798	warn "getting rid of safe::, as good as possible";
3629	Symbol::delete_package "safe::$_"	3799	clear_package "safe::$_"
3630	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3800	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3631		3801
3632	warn "unloading cf.pm \"a bit\"";	3802	warn "unloading cf.pm \"a bit\"";
3633	delete $INC{"cf.pm"};	3803	delete $INC{"cf.pm"};
3634	delete $INC{"cf/pod.pm"};	3804	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3635		3805
3636	# don't, removes xs symbols, too,	3806	# don't, removes xs symbols, too,
3637	# and global variables created in xs	3807	# and global variables created in xs
3638	#Symbol::delete_package __PACKAGE__;	3808	#clear_package __PACKAGE__;
3639		3809
3640	warn "unload completed, starting to reload now";	3810	warn "unload completed, starting to reload now";
3641		3811
3642	warn "reloading cf.pm";	3812	warn "reloading cf.pm";
3643	require cf;	3813	require cf;
3644	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3814	cf::_connect_to_perl_1;
3645		3815
3646	warn "loading config and database again";	3816	warn "loading config and database again";
3647	cf::reload_config;	3817	cf::reload_config;
3648		3818
3649	warn "loading extensions";	3819	warn "loading extensions";
3650	cf::load_extensions;	3820	cf::load_extensions;
3651		3821
		3822	if ($REATTACH_ON_RELOAD) {
3652	warn "reattaching attachments to objects/players";	3823	warn "reattaching attachments to objects/players";
3653	_global_reattach; # objects, sockets	3824	_global_reattach; # objects, sockets
3654	warn "reattaching attachments to maps";	3825	warn "reattaching attachments to maps";
3655	reattach $_ for values %MAP;	3826	reattach $_ for values %MAP;
3656	warn "reattaching attachments to players";	3827	warn "reattaching attachments to players";
3657	reattach $_ for values %PLAYER;	3828	reattach $_ for values %PLAYER;
		3829	}
3658		3830
		3831	warn "running post_init jobs";
		3832	(pop @POST_INIT)->(1) while @POST_INIT;
		3833
3659	warn "leaving sync_job";	3834	warn "leaving sync_job";
3660		3835
3661	1	3836	1
3662	} or do {	3837	} or do {
3663	warn $@;	3838	warn $@;
3664	cf::cleanup "error while reloading, exiting.";	3839	cf::cleanup "error while reloading, exiting.";
3665	};	3840	};
3666		3841
3667	warn "reloaded";	3842	warn "reloaded";
		3843	--$RELOAD;
		3844	}
		3845
		3846	$t1 = EV::time - $t1;
		3847	warn "reload completed in ${t1}s\n";
3668	};	3848	};
3669		3849
3670	our $RELOAD_WATCHER; # used only during reload	3850	our $RELOAD_WATCHER; # used only during reload
3671		3851
3672	sub reload_perl() {	3852	sub reload_perl() {
3673	# doing reload synchronously and two reloads happen back-to-back,	3853	# doing reload synchronously and two reloads happen back-to-back,
3674	# coro crashes during coro_state_free->destroy here.	3854	# coro crashes during coro_state_free->destroy here.
3675		3855
		3856	$RELOAD_WATCHER ||= cf::async {
		3857	Coro::AIO::aio_wait cache_extensions;
		3858
3676	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3859	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3677	do_reload_perl;	3860	do_reload_perl;
3678	undef $RELOAD_WATCHER;	3861	undef $RELOAD_WATCHER;
		3862	};
3679	};	3863	};
3680	}	3864	}
3681		3865
3682	register_command "reload" => sub {	3866	register_command "reload" => sub {
3683	my ($who, $arg) = @_;	3867	my ($who, $arg) = @_;
…		…
3754	{	3938	{
3755	# configure BDB	3939	# configure BDB
3756		3940
3757	BDB::min_parallel 8;	3941	BDB::min_parallel 8;
3758	BDB::max_poll_reqs $TICK * 0.1;	3942	BDB::max_poll_reqs $TICK * 0.1;
3759	$Coro::BDB::WATCHER->priority (1);	3943	$AnyEvent::BDB::WATCHER->priority (1);
3760		3944
3761	unless ($DB_ENV) {	3945	unless ($DB_ENV) {
3762	$DB_ENV = BDB::db_env_create;	3946	$DB_ENV = BDB::db_env_create;
3763	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3947	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3764	| BDB::LOG_AUTOREMOVE, 1);	3948	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3949	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3765	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3950	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3766	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3951	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3767		3952
3768	cf::sync_job {	3953	cf::sync_job {
3769	eval {	3954	eval {
…		…
3795	{	3980	{
3796	# configure IO::AIO	3981	# configure IO::AIO
3797		3982
3798	IO::AIO::min_parallel 8;	3983	IO::AIO::min_parallel 8;
3799	IO::AIO::max_poll_time $TICK * 0.1;	3984	IO::AIO::max_poll_time $TICK * 0.1;
3800	$Coro::AIO::WATCHER->priority (1);	3985	undef $AnyEvent::AIO::WATCHER;
3801	}	3986	}
3802		3987
3803	my $_log_backtrace;	3988	my $_log_backtrace;
3804		3989
3805	sub _log_backtrace {	3990	sub _log_backtrace {
…		…
3808	$msg =~ s/\n//;	3993	$msg =~ s/\n//;
3809		3994
3810	# limit the # of concurrent backtraces	3995	# limit the # of concurrent backtraces
3811	if ($_log_backtrace < 2) {	3996	if ($_log_backtrace < 2) {
3812	++$_log_backtrace;	3997	++$_log_backtrace;
		3998	my $perl_bt = Carp::longmess $msg;
3813	async {	3999	async {
3814	$Coro::current->{desc} = "abt $msg";	4000	$Coro::current->{desc} = "abt $msg";
3815		4001
3816	my @bt = fork_call {	4002	my @bt = fork_call {
3817	@addr = map { sprintf "%x", $_ } @addr;	4003	@addr = map { sprintf "%x", $_ } @addr;
…		…
3828	}	4014	}
3829		4015
3830	@funcs	4016	@funcs
3831	};	4017	};
3832		4018
3833	LOG llevInfo, "[ABT] $msg\n";	4019	LOG llevInfo, "[ABT] $perl_bt\n";
		4020	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3834	LOG llevInfo, "[ABT] $_\n" for @bt;	4021	LOG llevInfo, "[ABT] $_\n" for @bt;
3835	--$_log_backtrace;	4022	--$_log_backtrace;
3836	};	4023	};
3837	} else {	4024	} else {
3838	LOG llevInfo, "[ABT] $msg\n";	4025	LOG llevInfo, "[ABT] $msg\n";
3839	LOG llevInfo, "[ABT] [suppressed]\n";	4026	LOG llevInfo, "[ABT] [suppressed]\n";
3840	}	4027	}
3841	}	4028	}
3842		4029
3843	# load additional modules	4030	# load additional modules
3844	use cf::pod;	4031	require "cf/$_.pm" for @EXTRA_MODULES;
		4032	cf::_connect_to_perl_2;
3845		4033
3846	END { cf::emergency_save }	4034	END { cf::emergency_save }
3847		4035
3848	1	4036	1
3849		4037

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