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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.417 by root, Fri Apr 11 14:09:57 2008 UTC vs.
Revision 1.482 by root, Sun Oct 11 05:31:54 2009 UTC

…		…
19	# The authors can be reached via e-mail to <support@deliantra.net>	19	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	20	#
21		21
22	package cf;	22	package cf;
23		23
		24	use 5.10.0;
24	use utf8;	25	use utf8;
25	use strict;	26	use strict qw(vars subs);
26		27
27	use Symbol;	28	use Symbol;
28	use List::Util;	29	use List::Util;
29	use Socket;	30	use Socket;
30	use EV 3.2;	31	use EV;
31	use Opcode;	32	use Opcode;
32	use Safe;	33	use Safe;
33	use Safe::Hole;	34	use Safe::Hole;
34	use Storable ();	35	use Storable ();
35		36
		37	use Guard ();
36	use Coro 4.50 ();	38	use Coro ();
37	use Coro::State;	39	use Coro::State;
38	use Coro::Handle;	40	use Coro::Handle;
39	use Coro::EV;	41	use Coro::EV;
		42	use Coro::AnyEvent;
40	use Coro::Timer;	43	use Coro::Timer;
41	use Coro::Signal;	44	use Coro::Signal;
42	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
43	use Coro::AIO;	48	use Coro::AIO;
44	use Coro::BDB;	49	use Coro::BDB 1.6;
45	use Coro::Storable;	50	use Coro::Storable;
46	use Coro::Util ();	51	use Coro::Util ();
47		52
48	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
49	use BDB ();	54	use BDB ();
50	use Data::Dumper;	55	use Data::Dumper;
51	use Digest::MD5;	56	use Digest::MD5;
52	use Fcntl;	57	use Fcntl;
53	use YAML ();	58	use YAML ();
54	use IO::AIO 2.51 ();	59	use IO::AIO ();
55	use Time::HiRes;	60	use Time::HiRes;
56	use Compress::LZF;	61	use Compress::LZF;
57	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
58		65
59	# configure various modules to our taste	66	# configure various modules to our taste
60	#	67	#
61	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	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	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
64		76
65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	77	# strictly for debugging
		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
66		79
67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
68		81
69	our %COMMAND = ();	82	our %COMMAND = ();
70	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
…		…
73	our %EXTCMD = ();	86	our %EXTCMD = ();
74	our %EXTICMD = ();	87	our %EXTICMD = ();
75	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
76	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
77		90
78	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
79	our @EVENT;	92	our @EVENT;
		93	our @REFLECT; # set by XS
		94	our %REFLECT; # set by us
80		95
81	our $CONFDIR = confdir;	96	our $CONFDIR = confdir;
82	our $DATADIR = datadir;	97	our $DATADIR = datadir;
83	our $LIBDIR = "$DATADIR/ext";	98	our $LIBDIR = "$DATADIR/ext";
84	our $PODDIR = "$DATADIR/pod";	99	our $PODDIR = "$DATADIR/pod";
85	our $MAPDIR = "$DATADIR/" . mapdir;	100	our $MAPDIR = "$DATADIR/" . mapdir;
86	our $LOCALDIR = localdir;	101	our $LOCALDIR = localdir;
87	our $TMPDIR = "$LOCALDIR/" . tmpdir;	102	our $TMPDIR = "$LOCALDIR/" . tmpdir;
88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	103	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	104	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90	our $RANDOMDIR = "$LOCALDIR/random";	105	our $RANDOMDIR = "$LOCALDIR/random";
91	our $BDBDIR = "$LOCALDIR/db";	106	our $BDBDIR = "$LOCALDIR/db";
		107	our $PIDFILE = "$LOCALDIR/pid";
		108	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		109
92	our %RESOURCE;	110	our %RESOURCE;
93		111
94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	112	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	113	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97	our $NEXT_TICK;	114	our $NEXT_TICK;
98	our $USE_FSYNC = 1; # use fsync to write maps - default off	115	our $USE_FSYNC = 1; # use fsync to write maps - default on
99		116
100	our $BDB_POLL_WATCHER;
101	our $BDB_DEADLOCK_WATCHER;	117	our $BDB_DEADLOCK_WATCHER;
102	our $BDB_CHECKPOINT_WATCHER;	118	our $BDB_CHECKPOINT_WATCHER;
103	our $BDB_TRICKLE_WATCHER;	119	our $BDB_TRICKLE_WATCHER;
104	our $DB_ENV;	120	our $DB_ENV;
105		121
		122	our @EXTRA_MODULES = qw(pod match mapscript);
		123
106	our %CFG;	124	our %CFG;
107		125
108	our $UPTIME; $UPTIME ||= time;	126	our $UPTIME; $UPTIME ||= time;
109	our $RUNTIME;	127	our $RUNTIME;
110	our $NOW;	128	our $NOW;
…		…
119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	137	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120	our $LOADAVG; # same thing, but with alpha-smoothing	138	our $LOADAVG; # same thing, but with alpha-smoothing
121	our $JITTER; # average jitter	139	our $JITTER; # average jitter
122	our $TICK_START; # for load detecting purposes	140	our $TICK_START; # for load detecting purposes
123		141
		142	our @POST_INIT;
		143
		144	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		145	our $REALLY_UNLOOP; # never set to true, please :)
		146
124	binmode STDOUT;	147	binmode STDOUT;
125	binmode STDERR;	148	binmode STDERR;
126		149
127	# read virtual server time, if available	150	# read virtual server time, if available
128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	151	unless ($RUNTIME || !-e $RUNTIMEFILE) {
129	open my $fh, "<", "$LOCALDIR/runtime"	152	open my $fh, "<", $RUNTIMEFILE
130	or die "unable to read runtime file: $!";	153	or die "unable to read $RUNTIMEFILE file: $!";
131	$RUNTIME = <$fh> + 0.;	154	$RUNTIME = <$fh> + 0.;
132	}	155	}
		156
		157	eval "sub TICK() { $TICK } 1" or die;
133		158
134	mkdir $_	159	mkdir $_
135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	160	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
136		161
137	our $EMERGENCY_POSITION;	162	our $EMERGENCY_POSITION;
138		163
139	sub cf::map::normalise;	164	sub cf::map::normalise;
		165
		166	#############################################################################
		167
		168	%REFLECT = ();
		169	for (@REFLECT) {
		170	my $reflect = JSON::XS::decode_json $_;
		171	$REFLECT{$reflect->{class}} = $reflect;
		172	}
		173
		174	# this is decidedly evil
		175	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
140		176
141	#############################################################################	177	#############################################################################
142		178
143	=head2 GLOBAL VARIABLES	179	=head2 GLOBAL VARIABLES
144		180
…		…
195		231
196	This array contains the results of the last C<invoke ()> call. When	232	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	233	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198	that call.	234	that call.
199		235
		236	=item %cf::REFLECT
		237
		238	Contains, for each (C++) class name, a hash reference with information
		239	about object members (methods, scalars, arrays and flags) and other
		240	metadata, which is useful for introspection.
		241
200	=back	242	=back
201		243
202	=cut	244	=cut
203		245
204	BEGIN {	246	$Coro::State::WARNHOOK = sub {
205	*CORE::GLOBAL::warn = sub {
206	my $msg = join "", @_;	247	my $msg = join "", @_;
207		248
208	$msg .= "\n"	249	$msg .= "\n"
209	unless $msg =~ /\n$/;	250	unless $msg =~ /\n$/;
210		251
211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	252	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
212		253
213	LOG llevError, $msg;	254	LOG llevError, $msg;
214	};	255	};
215	}
216		256
217	$Coro::State::DIEHOOK = sub {	257	$Coro::State::DIEHOOK = sub {
218	return unless $^S eq 0; # "eq", not "=="	258	return unless $^S eq 0; # "eq", not "=="
		259
		260	warn Carp::longmess $_[0];
219		261
220	if ($Coro::current == $Coro::main) {#d#	262	if ($Coro::current == $Coro::main) {#d#
221	warn "DIEHOOK called in main context, Coro bug?\n";#d#	263	warn "DIEHOOK called in main context, Coro bug?\n";#d#
222	return;#d#	264	return;#d#
223	}#d#	265	}#d#
224		266
225	# kill coroutine otherwise	267	# kill coroutine otherwise
226	warn Carp::longmess $_[0];
227	Coro::terminate	268	Coro::terminate
228	};	269	};
229
230	$SIG{__DIE__} = sub { }; #d#?
231		270
232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	271	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	272	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	273	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	274	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
242	for my $pkg (qw(	281	for my $pkg (qw(
243	cf::global cf::attachable	282	cf::global cf::attachable
244	cf::object cf::object::player	283	cf::object cf::object::player
245	cf::client cf::player	284	cf::client cf::player
246	cf::arch cf::living	285	cf::arch cf::living
		286	cf::map cf::mapspace
247	cf::map cf::party cf::region	287	cf::party cf::region
248	)) {	288	)) {
249	no strict 'refs';
250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	289	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251	}	290	}
252		291
253	$EV::DIED = sub {	292	$EV::DIED = sub {
254	warn "error in event callback: @_";	293	warn "error in event callback: @_";
…		…
296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	335	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297		336
298	sub encode_json($) { $json_coder->encode ($_[0]) }	337	sub encode_json($) { $json_coder->encode ($_[0]) }
299	sub decode_json($) { $json_coder->decode ($_[0]) }	338	sub decode_json($) { $json_coder->decode ($_[0]) }
300		339
		340	=item cf::post_init { BLOCK }
		341
		342	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		343	but I<before> the server starts ticking again.
		344
		345	The cdoeblock will have a single boolean argument to indicate whether this
		346	is a reload or not.
		347
		348	=cut
		349
		350	sub post_init(&) {
		351	push @POST_INIT, shift;
		352	}
		353
301	=item cf::lock_wait $string	354	=item cf::lock_wait $string
302		355
303	Wait until the given lock is available. See cf::lock_acquire.	356	Wait until the given lock is available. See cf::lock_acquire.
304		357
305	=item my $lock = cf::lock_acquire $string	358	=item my $lock = cf::lock_acquire $string
306		359
307	Wait until the given lock is available and then acquires it and returns	360	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,	361	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	362	for example when the coroutine gets canceled), the lock is automatically
310	returned.	363	returned.
311		364
312	Locks are *not* recursive, locking from the same coro twice results in a	365	Locks are *not* recursive, locking from the same coro twice results in a
313	deadlocked coro.	366	deadlocked coro.
…		…
319		372
320	Return true if the lock is currently active, i.e. somebody has locked it.	373	Return true if the lock is currently active, i.e. somebody has locked it.
321		374
322	=cut	375	=cut
323		376
324	our %LOCK;	377	our $LOCKS = new Coro::SemaphoreSet;
325	our %LOCKER;#d#
326		378
327	sub lock_wait($) {	379	sub lock_wait($) {
328	my ($key) = @_;	380	$LOCKS->wait ($_[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} }, $Coro::current;
338	Coro::schedule;
339	}
340	}	381	}
341		382
342	sub lock_acquire($) {	383	sub lock_acquire($) {
343	my ($key) = @_;	384	$LOCKS->guard ($_[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	}	385	}
357		386
358	sub lock_active($) {	387	sub lock_active($) {
359	my ($key) = @_;	388	$LOCKS->count ($_[0]) < 1
360
361	! ! $LOCK{$key}
362	}	389	}
363		390
364	sub freeze_mainloop {	391	sub freeze_mainloop {
365	tick_inhibit_inc;	392	tick_inhibit_inc;
366		393
367	Coro::guard \&tick_inhibit_dec;	394	&Guard::guard (\&tick_inhibit_dec);
368	}	395	}
369		396
370	=item cf::periodic $interval, $cb	397	=item cf::periodic $interval, $cb
371		398
372	Like EV::periodic, but randomly selects a starting point so that the actions	399	Like EV::periodic, but randomly selects a starting point so that the actions
…		…
427	}	454	}
428	}	455	}
429	};	456	};
430		457
431	sub get_slot($;$$) {	458	sub get_slot($;$$) {
		459	return if tick_inhibit || $Coro::current == $Coro::main;
		460
432	my ($time, $pri, $name) = @_;	461	my ($time, $pri, $name) = @_;
433		462
434	$time = $TICK * .6 if $time > $TICK * .6;	463	$time = $TICK * .6 if $time > $TICK * .6;
435	my $sig = new Coro::Signal;	464	my $sig = new Coro::Signal;
436		465
…		…
722		751
723	#############################################################################	752	#############################################################################
724		753
725	=head2 ATTACHABLE OBJECTS	754	=head2 ATTACHABLE OBJECTS
726		755
727	Many objects in crossfire are so-called attachable objects. That means you can	756	Many objects in deliantra are so-called attachable objects. That means you can
728	attach callbacks/event handlers (a collection of which is called an "attachment")	757	attach callbacks/event handlers (a collection of which is called an "attachment")
729	to it. All such attachable objects support the following methods.	758	to it. All such attachable objects support the following methods.
730		759
731	In the following description, CLASS can be any of C<global>, C<object>	760	In the following description, CLASS can be any of C<global>, C<object>
732	C<player>, C<client> or C<map> (i.e. the attachable objects in	761	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
782	=item cf::CLASS::attachment $name, ...	811	=item cf::CLASS::attachment $name, ...
783		812
784	Register an attachment by C<$name> through which attachable objects of the	813	Register an attachment by C<$name> through which attachable objects of the
785	given CLASS can refer to this attachment.	814	given CLASS can refer to this attachment.
786		815
787	Some classes such as crossfire maps and objects can specify attachments	816	Some classes such as deliantra maps and objects can specify attachments
788	that are attached at load/instantiate time, thus the need for a name.	817	that are attached at load/instantiate time, thus the need for a name.
789		818
790	These calls expect any number of the following handler/hook descriptions:	819	These calls expect any number of the following handler/hook descriptions:
791		820
792	=over 4	821	=over 4
…		…
1083		1112
1084	sub reattach {	1113	sub reattach {
1085	# basically do the same as instantiate, without calling instantiate	1114	# basically do the same as instantiate, without calling instantiate
1086	my ($obj) = @_;	1115	my ($obj) = @_;
1087		1116
		1117	# no longer needed after getting rid of delete_package?
1088	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1118	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1089		1119
1090	my $registry = $obj->registry;	1120	my $registry = $obj->registry;
1091		1121
1092	@$registry = ();	1122	@$registry = ();
1093		1123
…		…
1139	utf8::decode (my $decname = $filename);	1169	utf8::decode (my $decname = $filename);
1140	warn sprintf "saving %s (%d,%d)\n",	1170	warn sprintf "saving %s (%d,%d)\n",
1141	$decname, length $$rdata, scalar @$objs;	1171	$decname, length $$rdata, scalar @$objs;
1142		1172
1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1173	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1144	chmod SAVE_MODE, $fh;	1174	aio_chmod $fh, SAVE_MODE;
1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1175	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1146	aio_fsync $fh if $cf::USE_FSYNC;	1176	if ($cf::USE_FSYNC) {
		1177	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;
		1178	aio_fsync $fh;
		1179	}
1147	close $fh;	1180	aio_close $fh;
1148		1181
1149	if (@$objs) {	1182	if (@$objs) {
1150	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1183	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1151	chmod SAVE_MODE, $fh;	1184	aio_chmod $fh, SAVE_MODE;
1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1185	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1153	aio_write $fh, 0, (length $data), $data, 0;	1186	aio_write $fh, 0, (length $data), $data, 0;
1154	aio_fsync $fh if $cf::USE_FSYNC;	1187	if ($cf::USE_FSYNC) {
		1188	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;
		1189	aio_fsync $fh;
		1190	}
1155	close $fh;	1191	aio_close $fh;
1156	aio_rename "$filename.pst~", "$filename.pst";	1192	aio_rename "$filename.pst~", "$filename.pst";
1157	}	1193	}
1158	} else {	1194	} else {
1159	aio_unlink "$filename.pst";	1195	aio_unlink "$filename.pst";
1160	}	1196	}
1161		1197
1162	aio_rename "$filename~", $filename;	1198	aio_rename "$filename~", $filename;
		1199
		1200	$filename =~ s%/[^/]+$%%;
		1201	aio_pathsync $filename if $cf::USE_FSYNC;
1163	} else {	1202	} else {
1164	warn "FATAL: $filename~: $!\n";	1203	warn "unable to save objects: $filename~: $!\n";
1165	}	1204	}
1166	} else {	1205	} else {
1167	aio_unlink $filename;	1206	aio_unlink $filename;
1168	aio_unlink "$filename.pst";	1207	aio_unlink "$filename.pst";
1169	}	1208	}
…		…
1260	my ($name, $cb) = @_;	1299	my ($name, $cb) = @_;
1261		1300
1262	$EXTICMD{$name} = $cb;	1301	$EXTICMD{$name} = $cb;
1263	}	1302	}
1264		1303
		1304	use File::Glob ();
		1305
1265	cf::player->attach (	1306	cf::player->attach (
1266	on_command => sub {	1307	on_command => sub {
1267	my ($pl, $name, $params) = @_;	1308	my ($pl, $name, $params) = @_;
1268		1309
1269	my $cb = $COMMAND{$name}	1310	my $cb = $COMMAND{$name}
…		…
1301		1342
1302	cf::override;	1343	cf::override;
1303	},	1344	},
1304	);	1345	);
1305		1346
		1347	# "readahead" all extensions
		1348	sub cache_extensions {
		1349	my $grp = IO::AIO::aio_group;
		1350
		1351	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1352	for (grep /\.ext$/, @{$_[0]}) {
		1353	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1354	}
		1355	};
		1356
		1357	$grp
		1358	}
		1359
1306	sub load_extensions {	1360	sub load_extensions {
1307	cf::sync_job {	1361	cf::sync_job {
1308	my %todo;	1362	my %todo;
1309		1363
1310	for my $path (<$LIBDIR/*.ext>) {	1364	for my $path (<$LIBDIR/*.ext>) {
…		…
1329		1383
1330	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1384	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1331	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1385	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1332		1386
1333	$ext{source} =	1387	$ext{source} =
1334	"package $pkg; use strict; use utf8;\n"	1388	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1335	. "#line 1 \"$path\"\n{\n"	1389	. "#line 1 \"$path\"\n{\n"
1336	. $source	1390	. $source
1337	. "\n};\n1";	1391	. "\n};\n1";
1338		1392
1339	$todo{$base} = \%ext;	1393	$todo{$base} = \%ext;
…		…
1379		1433
1380	=back	1434	=back
1381		1435
1382	=head2 CORE EXTENSIONS	1436	=head2 CORE EXTENSIONS
1383		1437
1384	Functions and methods that extend core crossfire objects.	1438	Functions and methods that extend core deliantra objects.
1385		1439
1386	=cut	1440	=cut
1387		1441
1388	package cf::player;	1442	package cf::player;
1389		1443
…		…
1432		1486
1433	sub exists($) {	1487	sub exists($) {
1434	my ($login) = @_;	1488	my ($login) = @_;
1435		1489
1436	$cf::PLAYER{$login}	1490	$cf::PLAYER{$login}
1437	or cf::sync_job { !aio_stat path $login }	1491	or !aio_stat path $login
1438	}	1492	}
1439		1493
1440	sub find($) {	1494	sub find($) {
1441	return $cf::PLAYER{$_[0]} || do {	1495	return $cf::PLAYER{$_[0]} || do {
1442	my $login = $_[0];	1496	my $login = $_[0];
…		…
1454	my $f = new_from_file cf::object::thawer path $login	1508	my $f = new_from_file cf::object::thawer path $login
1455	or return;	1509	or return;
1456		1510
1457	my $pl = cf::player::load_pl $f	1511	my $pl = cf::player::load_pl $f
1458	or return;	1512	or return;
		1513
1459	local $cf::PLAYER_LOADING{$login} = $pl;	1514	local $cf::PLAYER_LOADING{$login} = $pl;
1460	$f->resolve_delayed_derefs;	1515	$f->resolve_delayed_derefs;
1461	$cf::PLAYER{$login} = $pl	1516	$cf::PLAYER{$login} = $pl
1462	}	1517	}
1463	}	1518	}
…		…
1473		1528
1474	return if $pl->{deny_save};	1529	return if $pl->{deny_save};
1475		1530
1476	aio_mkdir playerdir $pl, 0770;	1531	aio_mkdir playerdir $pl, 0770;
1477	$pl->{last_save} = $cf::RUNTIME;	1532	$pl->{last_save} = $cf::RUNTIME;
		1533
		1534	cf::get_slot 0.01;
1478		1535
1479	$pl->save_pl ($path);	1536	$pl->save_pl ($path);
1480	cf::cede_to_tick;	1537	cf::cede_to_tick;
1481	}	1538	}
1482		1539
…		…
1514	my ($pl) = @_;	1571	my ($pl) = @_;
1515		1572
1516	my $name = $pl->ob->name;	1573	my $name = $pl->ob->name;
1517		1574
1518	$pl->{deny_save} = 1;	1575	$pl->{deny_save} = 1;
1519	$pl->password ("*"); # this should lock out the player until we nuked the dir	1576	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1520		1577
1521	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1578	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1522	$pl->deactivate;	1579	$pl->deactivate;
		1580	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1581	$pl->ob->check_score;
1523	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1582	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1524	$pl->ns->destroy if $pl->ns;	1583	$pl->ns->destroy if $pl->ns;
1525		1584
1526	my $path = playerdir $pl;	1585	my $path = playerdir $pl;
1527	my $temp = "$path~$cf::RUNTIME~deleting~";	1586	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1566		1625
1567	for my $login (@$dirs) {	1626	for my $login (@$dirs) {
1568	my $path = path $login;	1627	my $path = path $login;
1569		1628
1570	# a .pst is a dead give-away for a valid player	1629	# a .pst is a dead give-away for a valid player
1571	unless (-e "$path.pst") {	1630	# if no pst file found, open and chekc for blocked users
		1631	if (aio_stat "$path.pst") {
1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1632	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1573	aio_read $fh, 0, 512, my $buf, 0 or next;	1633	aio_read $fh, 0, 512, my $buf, 0 or next;
1574	$buf !~ /^password -------------$/m or next; # official not-valid tag	1634	$buf !~ /^password -------------$/m or next; # official not-valid tag
1575	}	1635	}
1576		1636
…		…
1607	}	1667	}
1608		1668
1609	\@paths	1669	\@paths
1610	}	1670	}
1611		1671
1612	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1672	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1613		1673
1614	Expand crossfire pod fragments into protocol xml.	1674	Expand deliantra pod fragments into protocol xml.
1615
1616	=cut
1617
1618	use re 'eval';
1619
1620	my $group;
1621	my $interior; $interior = qr{
1622	# match a pod interior sequence sans C<< >>
1623	(?:
1624	\ (.*?)\ (?{ $group = $^N })
1625	| < (??{$interior}) >
1626	)
1627	}x;
1628
1629	sub expand_cfpod {
1630	my ($self, $pod) = @_;
1631
1632	my $xml;
1633
1634	while () {
1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1636	$group = $1;
1637
1638	$group =~ s/&/&amp;/g;
1639	$group =~ s/</&lt;/g;
1640
1641	$xml .= $group;
1642	} elsif ($pod =~ m%\G
1643	([BCGHITU])
1644	<
1645	(?:
1646	([^<>]*) (?{ $group = $^N })
1647	| < $interior >
1648	)
1649	>
1650	%gcsx
1651	) {
1652	my ($code, $data) = ($1, $group);
1653
1654	if ($code eq "B") {
1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1656	} elsif ($code eq "I") {
1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1658	} elsif ($code eq "U") {
1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1660	} elsif ($code eq "C") {
1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1662	} elsif ($code eq "T") {
1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1664	} elsif ($code eq "G") {
1665	my ($male, $female) = split /\|/, $data;
1666	$data = $self->gender ? $female : $male;
1667	$xml .= expand_cfpod ($self, $data);
1668	} elsif ($code eq "H") {
1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1671	"")
1672	[$self->{hintmode}];
1673	} else {
1674	$xml .= "error processing '$code($data)' directive";
1675	}
1676	} else {
1677	if ($pod =~ /\G(.+)/) {
1678	warn "parse error while expanding $pod (at $1)";
1679	}
1680	last;
1681	}
1682	}
1683
1684	for ($xml) {
1685	# create single paragraphs (very hackish)
1686	s/(?<=\S)\n(?=\w)/ /g;
1687
1688	# compress some whitespace
1689	s/\s+\n/\n/g; # ws line-ends
1690	s/\n\n+/\n/g; # double lines
1691	s/^\n+//; # beginning lines
1692	s/\n+$//; # ending lines
1693	}
1694
1695	$xml
1696	}
1697
1698	no re 'eval';
1699
1700	sub hintmode {
1701	$_[0]{hintmode} = $_[1] if @_ > 1;
1702	$_[0]{hintmode}
1703	}
1704		1675
1705	=item $player->ext_reply ($msgid, @msg)	1676	=item $player->ext_reply ($msgid, @msg)
1706		1677
1707	Sends an ext reply to the player.	1678	Sends an ext reply to the player.
1708		1679
…		…
1775	our $MAX_RESET = 3600;	1746	our $MAX_RESET = 3600;
1776	our $DEFAULT_RESET = 3000;	1747	our $DEFAULT_RESET = 3000;
1777		1748
1778	sub generate_random_map {	1749	sub generate_random_map {
1779	my ($self, $rmp) = @_;	1750	my ($self, $rmp) = @_;
		1751
		1752	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1753
1780	# mit "rum" bekleckern, nicht	1754	# mit "rum" bekleckern, nicht
1781	$self->_create_random_map (	1755	$self->_create_random_map (
1782	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1756	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1783	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1757	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1784	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1758	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1906		1880
1907	# the temporary/swap location	1881	# the temporary/swap location
1908	sub save_path {	1882	sub save_path {
1909	my ($self) = @_;	1883	my ($self) = @_;
1910		1884
1911	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1885	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1912	"$TMPDIR/$path.map"	1886	"$TMPDIR/$path.map"
1913	}	1887	}
1914		1888
1915	# the unique path, undef == no special unique path	1889	# the unique path, undef == no special unique path
1916	sub uniq_path {	1890	sub uniq_path {
1917	my ($self) = @_;	1891	my ($self) = @_;
1918		1892
1919	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1893	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1920	"$UNIQUEDIR/$path"	1894	"$UNIQUEDIR/$path"
1921	}
1922
1923	# and all this just because we cannot iterate over
1924	# all maps in C++...
1925	sub change_all_map_light {
1926	my ($change) = @_;
1927
1928	$_->change_map_light ($change)
1929	for grep $_->outdoor, values %cf::MAP;
1930	}	1895	}
1931		1896
1932	sub decay_objects {	1897	sub decay_objects {
1933	my ($self) = @_;	1898	my ($self) = @_;
1934		1899
…		…
2018	sub find {	1983	sub find {
2019	my ($path, $origin) = @_;	1984	my ($path, $origin) = @_;
2020		1985
2021	$path = normalise $path, $origin && $origin->path;	1986	$path = normalise $path, $origin && $origin->path;
2022		1987
2023	cf::lock_wait "map_data:$path";#d#remove	1988	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2024	cf::lock_wait "map_find:$path";	1989	my $guard2 = cf::lock_acquire "map_find:$path";
2025		1990
2026	$cf::MAP{$path} || do {	1991	$cf::MAP{$path} || do {
2027	my $guard1 = cf::lock_acquire "map_find:$path";
2028	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2029
2030	my $map = new_from_path cf::map $path	1992	my $map = new_from_path cf::map $path
2031	or return;	1993	or return;
2032		1994
2033	$map->{last_save} = $cf::RUNTIME;	1995	$map->{last_save} = $cf::RUNTIME;
2034		1996
…		…
2036	or return;	1998	or return;
2037		1999
2038	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2000	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2039	# doing this can freeze the server in a sync job, obviously	2001	# doing this can freeze the server in a sync job, obviously
2040	#$cf::WAIT_FOR_TICK->wait;	2002	#$cf::WAIT_FOR_TICK->wait;
		2003	undef $guard2;
2041	undef $guard1;	2004	undef $guard1;
2042	undef $guard2;
2043	$map->reset;	2005	$map->reset;
2044	return find $path;	2006	return find $path;
2045	}	2007	}
2046		2008
2047	$cf::MAP{$path} = $map	2009	$cf::MAP{$path} = $map
…		…
2074	my $f = new_from_file cf::object::thawer $self->{load_path};	2036	my $f = new_from_file cf::object::thawer $self->{load_path};
2075	$f->skip_block;	2037	$f->skip_block;
2076	$self->_load_objects ($f)	2038	$self->_load_objects ($f)
2077	or return;	2039	or return;
2078		2040
2079	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2041	$self->post_load_original
2080	if delete $self->{load_original};	2042	if delete $self->{load_original};
2081		2043
2082	if (my $uniq = $self->uniq_path) {	2044	if (my $uniq = $self->uniq_path) {
2083	utf8::encode $uniq;	2045	utf8::encode $uniq;
2084	unless (aio_stat $uniq) {	2046	unless (aio_stat $uniq) {
…		…
2102	unless ($self->{deny_activate}) {	2064	unless ($self->{deny_activate}) {
2103	$self->decay_objects;	2065	$self->decay_objects;
2104	$self->fix_auto_apply;	2066	$self->fix_auto_apply;
2105	$self->update_buttons;	2067	$self->update_buttons;
2106	cf::cede_to_tick;	2068	cf::cede_to_tick;
2107	$self->set_darkness_map;
2108	cf::cede_to_tick;
2109	$self->activate;	2069	$self->activate;
2110	}	2070	}
2111		2071
2112	$self->{last_save} = $cf::RUNTIME;	2072	$self->{last_save} = $cf::RUNTIME;
2113	$self->last_access ($cf::RUNTIME);	2073	$self->last_access ($cf::RUNTIME);
2114		2074
2115	$self->in_memory (cf::MAP_IN_MEMORY);	2075	$self->in_memory (cf::MAP_ACTIVE);
2116	}	2076	}
2117		2077
2118	$self->post_load;	2078	$self->post_load;
2119	}	2079	}
2120		2080
…		…
2178	my ($path, $origin, $load) = @_;	2138	my ($path, $origin, $load) = @_;
2179		2139
2180	$path = normalise $path, $origin && $origin->{path};	2140	$path = normalise $path, $origin && $origin->{path};
2181		2141
2182	if (my $map = $cf::MAP{$path}) {	2142	if (my $map = $cf::MAP{$path}) {
2183	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2143	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2184	}	2144	}
2185		2145
2186	$MAP_PREFETCH{$path} |= $load;	2146	$MAP_PREFETCH{$path} |= $load;
2187		2147
2188	$MAP_PREFETCHER ||= cf::async {	2148	$MAP_PREFETCHER ||= cf::async {
…		…
2225	cf::async {	2185	cf::async {
2226	$Coro::current->{desc} = "map player save";	2186	$Coro::current->{desc} = "map player save";
2227	$_->contr->save for $self->players;	2187	$_->contr->save for $self->players;
2228	};	2188	};
2229		2189
		2190	cf::get_slot 0.02;
		2191
2230	if ($uniq) {	2192	if ($uniq) {
2231	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2232	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2194	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2233	} else {	2195	} else {
2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2196	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2242	$self->save;	2204	$self->save;
2243		2205
2244	my $lock = cf::lock_acquire "map_data:$self->{path}";	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
2245		2207
2246	return if $self->players;	2208	return if $self->players;
2247	return if $self->in_memory != cf::MAP_IN_MEMORY;	2209	return if $self->in_memory != cf::MAP_ACTIVE;
2248	return if $self->{deny_save};	2210	return if $self->{deny_save};
2249		2211
2250	$self->in_memory (cf::MAP_SWAPPED);	2212	$self->in_memory (cf::MAP_SWAPPED);
2251		2213
2252	$self->deactivate;	2214	$self->deactivate;
…		…
2277		2239
2278	my $lock = cf::lock_acquire "map_data:$self->{path}";	2240	my $lock = cf::lock_acquire "map_data:$self->{path}";
2279		2241
2280	return if $self->players;	2242	return if $self->players;
2281		2243
2282	warn "resetting map ", $self->path;	2244	warn "resetting map ", $self->path, "\n";
2283		2245
2284	$self->in_memory (cf::MAP_SWAPPED);	2246	$self->in_memory (cf::MAP_SWAPPED);
2285		2247
2286	# need to save uniques path	2248	# need to save uniques path
2287	unless ($self->{deny_save}) {	2249	unless ($self->{deny_save}) {
…		…
2370		2332
2371	sub unique_maps() {	2333	sub unique_maps() {
2372	[	2334	[
2373	map {	2335	map {
2374	utf8::decode $_;	2336	utf8::decode $_;
2375	/\.map$/	2337	s/\.map$//; # TODO future compatibility hack
		2338	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2339	? ()
2376	? normalise $_	2340	: normalise $_
2377	: ()
2378	} @{ aio_readdir $UNIQUEDIR or [] }	2341	} @{ aio_readdir $UNIQUEDIR or [] }
2379	]	2342	]
2380	}	2343	}
2381		2344
2382	=back	2345	=back
…		…
2389		2352
2390	=over 4	2353	=over 4
2391		2354
2392	=item $ob->inv_recursive	2355	=item $ob->inv_recursive
2393		2356
2394	Returns the inventory of the object _and_ their inventories, recursively.	2357	Returns the inventory of the object I<and> their inventories, recursively,
		2358	but I<not> the object itself.
2395		2359
2396	=cut	2360	=cut
2397		2361
2398	sub inv_recursive_;	2362	sub inv_recursive_;
2399	sub inv_recursive_ {	2363	sub inv_recursive_ {
…		…
2404	inv_recursive_ inv $_[0]	2368	inv_recursive_ inv $_[0]
2405	}	2369	}
2406		2370
2407	=item $ref = $ob->ref	2371	=item $ref = $ob->ref
2408		2372
2409	creates and returns a persistent reference to an objetc that can be stored as a string.	2373	Creates and returns a persistent reference to an object that can be stored as a string.
2410		2374
2411	=item $ob = cf::object::deref ($refstring)	2375	=item $ob = cf::object::deref ($refstring)
2412		2376
2413	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2377	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2414	even if the object actually exists. May block.	2378	even if the object actually exists. May block.
…		…
2446	can be C<undef>. Does the right thing when the player is currently in a	2410	can be C<undef>. Does the right thing when the player is currently in a
2447	dialogue with the given NPC character.	2411	dialogue with the given NPC character.
2448		2412
2449	=cut	2413	=cut
2450		2414
		2415	our $SAY_CHANNEL = {
		2416	id => "say",
		2417	title => "Map",
		2418	reply => "say ",
		2419	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2420	};
		2421
		2422	our $CHAT_CHANNEL = {
		2423	id => "chat",
		2424	title => "Chat",
		2425	reply => "chat ",
		2426	tooltip => "Player chat and shouts, global to the server.",
		2427	};
		2428
2451	# rough implementation of a future "reply" method that works	2429	# rough implementation of a future "reply" method that works
2452	# with dialog boxes.	2430	# with dialog boxes.
2453	#TODO: the first argument must go, split into a $npc->reply_to ( method	2431	#TODO: the first argument must go, split into a $npc->reply_to ( method
2454	sub cf::object::player::reply($$$;$) {	2432	sub cf::object::player::reply($$$;$) {
2455	my ($self, $npc, $msg, $flags) = @_;	2433	my ($self, $npc, $msg, $flags) = @_;
…		…
2466	my $dialog = $pl->{npc_dialog};	2444	my $dialog = $pl->{npc_dialog};
2467	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2445	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2468		2446
2469	} else {	2447	} else {
2470	$msg = $npc->name . " says: $msg" if $npc;	2448	$msg = $npc->name . " says: $msg" if $npc;
2471	$self->message ($msg, $flags);	2449	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2472	}	2450	}
2473	}	2451	}
2474	}	2452	}
2475		2453
2476	=item $object->send_msg ($channel, $msg, $color, [extra...])	2454	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2501		2479
2502	=item $player_object->enter_link	2480	=item $player_object->enter_link
2503		2481
2504	Freezes the player and moves him/her to a special map (C<{link}>).	2482	Freezes the player and moves him/her to a special map (C<{link}>).
2505		2483
2506	The player should be reasonably safe there for short amounts of time. You	2484	The player should be reasonably safe there for short amounts of time (e.g.
2507	I<MUST> call C<leave_link> as soon as possible, though.	2485	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2486	though, as the palyer cannot control the character while it is on the link
		2487	map.
2508		2488
2509	Will never block.	2489	Will never block.
2510		2490
2511	=item $player_object->leave_link ($map, $x, $y)	2491	=item $player_object->leave_link ($map, $x, $y)
2512		2492
…		…
2570		2550
2571	$map->load;	2551	$map->load;
2572	$map->load_neighbours;	2552	$map->load_neighbours;
2573		2553
2574	return unless $self->contr->active;	2554	return unless $self->contr->active;
2575	$self->activate_recursive;
2576		2555
2577	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2556	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2578	$self->enter_map ($map, $x, $y);	2557	$self->enter_map ($map, $x, $y);
		2558
		2559	# only activate afterwards, to support waiting in hooks
		2560	$self->activate_recursive;
2579	}	2561	}
2580		2562
2581	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2563	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2582		2564
2583	Moves the player to the given map-path and coordinates by first freezing	2565	Moves the player to the given map-path and coordinates by first freezing
2584	her, loading and preparing them map, calling the provided $check callback	2566	her, loading and preparing them map, calling the provided $check callback
2585	that has to return the map if sucecssful, and then unfreezes the player on	2567	that has to return the map if sucecssful, and then unfreezes the player on
2586	the new (success) or old (failed) map position. In either case, $done will	2568	the new (success) or old (failed) map position. In either case, $done will
2587	be called at the end of this process.	2569	be called at the end of this process.
		2570
		2571	Note that $check will be called with a potentially non-loaded map, so if
		2572	it needs a loaded map it has to call C<< ->load >>.
2588		2573
2589	=cut	2574	=cut
2590		2575
2591	our $GOTOGEN;	2576	our $GOTOGEN;
2592		2577
…		…
2671	}	2656	}
2672		2657
2673	sub prepare_random_map {	2658	sub prepare_random_map {
2674	my ($exit) = @_;	2659	my ($exit) = @_;
2675		2660
2676	my $guard = cf::lock_acquire "exit_prepare:$exit";
2677
2678	# all this does is basically replace the /! path by	2661	# all this does is basically replace the /! path by
2679	# a new random map path (?random/...) with a seed	2662	# a new random map path (?random/...) with a seed
2680	# that depends on the exit object	2663	# that depends on the exit object
2681		2664
2682	my $rmp = parse_random_map_params $exit->msg;	2665	my $rmp = parse_random_map_params $exit->msg;
…		…
2684	if ($exit->map) {	2667	if ($exit->map) {
2685	$rmp->{region} = $exit->region->name;	2668	$rmp->{region} = $exit->region->name;
2686	$rmp->{origin_map} = $exit->map->path;	2669	$rmp->{origin_map} = $exit->map->path;
2687	$rmp->{origin_x} = $exit->x;	2670	$rmp->{origin_x} = $exit->x;
2688	$rmp->{origin_y} = $exit->y;	2671	$rmp->{origin_y} = $exit->y;
		2672
		2673	$exit->map->touch;
2689	}	2674	}
2690		2675
2691	$rmp->{random_seed} ||= $exit->random_seed;	2676	$rmp->{random_seed} ||= $exit->random_seed;
2692		2677
2693	my $data = cf::encode_json $rmp;	2678	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2694	my $md5 = Digest::MD5::md5_hex $data;	2679	my $md5 = Digest::MD5::md5_hex $data;
2695	my $meta = "$RANDOMDIR/$md5.meta";	2680	my $meta = "$RANDOMDIR/$md5.meta";
2696		2681
2697	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2682	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2698	aio_write $fh, 0, (length $data), $data, 0;	2683	aio_write $fh, 0, (length $data), $data, 0;
2699	undef $fh;	2684	undef $fh;
2700	aio_rename "$meta~", $meta;	2685	aio_rename "$meta~", $meta;
2701		2686
		2687	my $slaying = "?random/$md5";
		2688
		2689	if ($exit->valid) {
2702	$exit->slaying ("?random/$md5");	2690	$exit->slaying ("?random/$md5");
2703	$exit->msg (undef);	2691	$exit->msg (undef);
		2692	}
2704	}	2693	}
2705	}	2694	}
2706		2695
2707	sub cf::object::player::enter_exit {	2696	sub cf::object::player::enter_exit {
2708	my ($self, $exit) = @_;	2697	my ($self, $exit) = @_;
2709		2698
2710	return unless $self->type == cf::PLAYER;	2699	return unless $self->type == cf::PLAYER;
2711		2700
2712	if ($exit->slaying eq "/!") {
2713	#TODO: this should de-fi-ni-te-ly not be a sync-job
2714	# the problem is that $exit might not survive long enough
2715	# so it needs to be done right now, right here
2716	cf::sync_job { prepare_random_map $exit };
2717	}
2718
2719	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2720	my $hp = $exit->stats->hp;
2721	my $sp = $exit->stats->sp;
2722
2723	$self->enter_link;	2701	$self->enter_link;
2724		2702
2725	# if exit is damned, update players death & WoR home-position
2726	$self->contr->savebed ($slaying, $hp, $sp)
2727	if $exit->flag (FLAG_DAMNED);
2728
2729	(async {	2703	(async {
2730	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2704	$Coro::current->{desc} = "enter_exit";
2731		2705
2732	$self->deactivate_recursive; # just to be sure
2733	unless (eval {	2706	unless (eval {
		2707	$self->deactivate_recursive; # just to be sure
		2708
		2709	# random map handling
		2710	{
		2711	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2712
		2713	prepare_random_map $exit
		2714	if $exit->slaying eq "/!";
		2715	}
		2716
		2717	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2718	my $x = $exit->stats->hp;
		2719	my $y = $exit->stats->sp;
		2720
2734	$self->goto ($slaying, $hp, $sp);	2721	$self->goto ($map, $x, $y);
2735		2722
		2723	# if exit is damned, update players death & WoR home-position
		2724	$self->contr->savebed ($map, $x, $y)
		2725	if $exit->flag (cf::FLAG_DAMNED);
		2726
2736	1;	2727	1
2737	}) {	2728	}) {
2738	$self->message ("Something went wrong deep within the crossfire server. "	2729	$self->message ("Something went wrong deep within the deliantra server. "
2739	. "I'll try to bring you back to the map you were before. "	2730	. "I'll try to bring you back to the map you were before. "
2740	. "Please report this to the dungeon master!",	2731	. "Please report this to the dungeon master!",
2741	cf::NDI_UNIQUE | cf::NDI_RED);	2732	cf::NDI_UNIQUE | cf::NDI_RED);
2742		2733
2743	warn "ERROR in enter_exit: $@";	2734	warn "ERROR in enter_exit: $@";
…		…
2809	id => "infobox",	2800	id => "infobox",
2810	title => "Body Parts",	2801	title => "Body Parts",
2811	reply => undef,	2802	reply => undef,
2812	tooltip => "Shows which body parts you posess and are available",	2803	tooltip => "Shows which body parts you posess and are available",
2813	},	2804	},
		2805	"c/statistics" => {
		2806	id => "infobox",
		2807	title => "Statistics",
		2808	reply => undef,
		2809	tooltip => "Shows your primary statistics",
		2810	},
		2811	"c/skills" => {
		2812	id => "infobox",
		2813	title => "Skills",
		2814	reply => undef,
		2815	tooltip => "Shows your experience per skill and item power",
		2816	},
		2817	"c/shopitems" => {
		2818	id => "infobox",
		2819	title => "Shop Items",
		2820	reply => undef,
		2821	tooltip => "Shows the items currently for sale in this shop",
		2822	},
		2823	"c/resistances" => {
		2824	id => "infobox",
		2825	title => "Resistances",
		2826	reply => undef,
		2827	tooltip => "Shows your resistances",
		2828	},
		2829	"c/pets" => {
		2830	id => "infobox",
		2831	title => "Pets",
		2832	reply => undef,
		2833	tooltip => "Shows information abotu your pets/a specific pet",
		2834	},
		2835	"c/perceiveself" => {
		2836	id => "infobox",
		2837	title => "Perceive Self",
		2838	reply => undef,
		2839	tooltip => "You gained detailed knowledge about yourself",
		2840	},
2814	"c/uptime" => {	2841	"c/uptime" => {
2815	id => "infobox",	2842	id => "infobox",
2816	title => "Uptime",	2843	title => "Uptime",
2817	reply => undef,	2844	reply => undef,
2818	tooltip => "How long the server has been running since last restart",	2845	tooltip => "How long the server has been running since last restart",
…		…
2821	id => "infobox",	2848	id => "infobox",
2822	title => "Map Info",	2849	title => "Map Info",
2823	reply => undef,	2850	reply => undef,
2824	tooltip => "Information related to the maps",	2851	tooltip => "Information related to the maps",
2825	},	2852	},
		2853	"c/party" => {
		2854	id => "party",
		2855	title => "Party",
		2856	reply => "gsay ",
		2857	tooltip => "Messages and chat related to your party",
		2858	},
		2859	"c/death" => {
		2860	id => "death",
		2861	title => "Death",
		2862	reply => undef,
		2863	tooltip => "Reason for and more info about your most recent death",
		2864	},
		2865	"c/say" => $SAY_CHANNEL,
		2866	"c/chat" => $CHAT_CHANNEL,
2826	);	2867	);
2827		2868
2828	sub cf::client::send_msg {	2869	sub cf::client::send_msg {
2829	my ($self, $channel, $msg, $color, @extra) = @_;	2870	my ($self, $channel, $msg, $color, @extra) = @_;
2830		2871
2831	$msg = $self->pl->expand_cfpod ($msg);	2872	$msg = $self->pl->expand_cfpod ($msg)
		2873	unless $color & cf::NDI_VERBATIM;
2832		2874
2833	$color &= cf::NDI_CLIENT_MASK; # just in case...	2875	$color &= cf::NDI_CLIENT_MASK; # just in case...
2834		2876
2835	# check predefined channels, for the benefit of C	2877	# check predefined channels, for the benefit of C
2836	if ($CHANNEL{$channel}) {	2878	if ($CHANNEL{$channel}) {
2837	$channel = $CHANNEL{$channel};	2879	$channel = $CHANNEL{$channel};
2838		2880
2839	$self->ext_msg (channel_info => $channel)	2881	$self->ext_msg (channel_info => $channel);
2840	if $self->can_msg;
2841
2842	$channel = $channel->{id};	2882	$channel = $channel->{id};
2843		2883
2844	} elsif (ref $channel) {	2884	} elsif (ref $channel) {
2845	# send meta info to client, if not yet sent	2885	# send meta info to client, if not yet sent
2846	unless (exists $self->{channel}{$channel->{id}}) {	2886	unless (exists $self->{channel}{$channel->{id}}) {
2847	$self->{channel}{$channel->{id}} = $channel;	2887	$self->{channel}{$channel->{id}} = $channel;
2848	$self->ext_msg (channel_info => $channel)	2888	$self->ext_msg (channel_info => $channel);
2849	if $self->can_msg;
2850	}	2889	}
2851		2890
2852	$channel = $channel->{id};	2891	$channel = $channel->{id};
2853	}	2892	}
2854		2893
2855	return unless @extra || length $msg;	2894	return unless @extra || length $msg;
2856		2895
2857	if ($self->can_msg) {
2858	# default colour, mask it out	2896	# default colour, mask it out
2859	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2897	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2860	if $color & cf::NDI_DEF;	2898	if $color & cf::NDI_DEF;
2861		2899
2862	$self->send_packet ("msg " . $self->{json_coder}->encode (	2900	my $pkt = "msg "
		2901	. $self->{json_coder}->encode (
2863	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2902	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2864	} else {	2903	);
2865	if ($color >= 0) {
2866	# replace some tags by gcfclient-compatible ones
2867	for ($msg) {
2868	1 while
2869	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2870	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2871	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2872	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2873	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2874	}
2875		2904
2876	$color &= cf::NDI_COLOR_MASK;	2905	# try lzf for large packets
		2906	$pkt = "lzf " . Compress::LZF::compress $pkt
		2907	if 1024 <= length $pkt and $self->{can_lzf};
2877		2908
2878	utf8::encode $msg;	2909	# split very large packets
2879		2910	if (8192 < length $pkt and $self->{can_lzf}) {
2880	if (0 && $msg =~ /\[/) {	2911	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2881	# COMMAND/INFO	2912	$pkt = "frag";
2882	$self->send_packet ("drawextinfo $color 10 8 $msg")
2883	} else {
2884	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2885	$self->send_packet ("drawinfo $color $msg")
2886	}
2887	}
2888	}	2913	}
		2914
		2915	$self->send_packet ($pkt);
2889	}	2916	}
2890		2917
2891	=item $client->ext_msg ($type, @msg)	2918	=item $client->ext_msg ($type, @msg)
2892		2919
2893	Sends an ext event to the client.	2920	Sends an ext event to the client.
…		…
3067		3094
3068	The following functions and methods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
3069		3096
3070	cf::object	3097	cf::object
3071	contr pay_amount pay_player map x y force_find force_add destroy	3098	contr pay_amount pay_player map x y force_find force_add destroy
3072	insert remove name archname title slaying race decrease_ob_nr	3099	insert remove name archname title slaying race decrease split
		3100	value
3073		3101
3074	cf::object::player	3102	cf::object::player
3075	player	3103	player
3076		3104
3077	cf::player	3105	cf::player
…		…
3082		3110
3083	=cut	3111	=cut
3084		3112
3085	for (	3113	for (
3086	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3114	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3087	insert remove inv name archname title slaying race	3115	insert remove inv nrof name archname title slaying race
3088	decrease_ob_nr destroy)],	3116	decrease split destroy change_exp value msg lore send_msg)],
3089	["cf::object::player" => qw(player)],	3117	["cf::object::player" => qw(player)],
3090	["cf::player" => qw(peaceful)],	3118	["cf::player" => qw(peaceful send_msg)],
3091	["cf::map" => qw(trigger)],	3119	["cf::map" => qw(trigger)],
3092	) {	3120	) {
3093	no strict 'refs';	3121	no strict 'refs';
3094	my ($pkg, @funs) = @$_;	3122	my ($pkg, @funs) = @$_;
3095	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3123	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3112	my ($code, %vars) = @_;	3140	my ($code, %vars) = @_;
3113		3141
3114	my $qcode = $code;	3142	my $qcode = $code;
3115	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3143	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3116	$qcode =~ s/\n/\\n/g;	3144	$qcode =~ s/\n/\\n/g;
		3145
		3146	%vars = (_dummy => 0) unless %vars;
3117		3147
3118	local $_;	3148	local $_;
3119	local @safe::cf::_safe_eval_args = values %vars;	3149	local @safe::cf::_safe_eval_args = values %vars;
3120		3150
3121	my $eval =	3151	my $eval =
…		…
3301	while (my ($k, $v) = each %$want) {	3331	while (my ($k, $v) = each %$want) {
3302	$ns->fx_want ($k, $v);	3332	$ns->fx_want ($k, $v);
3303	}	3333	}
3304	};	3334	};
3305		3335
		3336	sub load_resource_file($) {
		3337	my $guard = lock_acquire "load_resource_file";
		3338
		3339	my $status = load_resource_file_ $_[0];
		3340	get_slot 0.1, 100;
		3341	cf::arch::commit_load;
		3342
		3343	$status
		3344	}
		3345
3306	sub reload_regions {	3346	sub reload_regions {
3307	# HACK to clear player env face cache, we need some signal framework	3347	# HACK to clear player env face cache, we need some signal framework
3308	# for this (global event?)	3348	# for this (global event?)
3309	%ext::player_env::MUSIC_FACE_CACHE = ();	3349	%ext::player_env::MUSIC_FACE_CACHE = ();
3310		3350
…		…
3323	}	3363	}
3324		3364
3325	sub reload_archetypes {	3365	sub reload_archetypes {
3326	load_resource_file "$DATADIR/archetypes"	3366	load_resource_file "$DATADIR/archetypes"
3327	or die "unable to load archetypes\n";	3367	or die "unable to load archetypes\n";
3328	#d# NEED to laod twice to resolve forward references
3329	# this really needs to be done in an extra post-pass
3330	# (which needs to be synchronous, so solve it differently)
3331	load_resource_file "$DATADIR/archetypes"
3332	or die "unable to load archetypes\n";
3333	}	3368	}
3334		3369
3335	sub reload_treasures {	3370	sub reload_treasures {
3336	load_resource_file "$DATADIR/treasures"	3371	load_resource_file "$DATADIR/treasures"
3337	or die "unable to load treasurelists\n";	3372	or die "unable to load treasurelists\n";
3338	}	3373	}
3339		3374
3340	sub reload_resources {	3375	sub reload_resources {
3341	warn "reloading resource files...\n";	3376	warn "reloading resource files...\n";
3342		3377
		3378	reload_facedata;
		3379	reload_archetypes;
3343	reload_regions;	3380	reload_regions;
3344	reload_facedata;
3345	#reload_archetypes;#d#
3346	reload_archetypes;
3347	reload_treasures;	3381	reload_treasures;
3348		3382
3349	warn "finished reloading resource files\n";	3383	warn "finished reloading resource files\n";
3350	}
3351
3352	sub init {
3353	reload_resources;
3354	}	3384	}
3355		3385
3356	sub reload_config {	3386	sub reload_config {
3357	open my $fh, "<:utf8", "$CONFDIR/config"	3387	open my $fh, "<:utf8", "$CONFDIR/config"
3358	or return;	3388	or return;
…		…
3372	};	3402	};
3373	warn $@ if $@;	3403	warn $@ if $@;
3374	}	3404	}
3375	}	3405	}
3376		3406
		3407	sub pidfile() {
		3408	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3409	or die "$PIDFILE: $!";
		3410	flock $fh, &Fcntl::LOCK_EX
		3411	or die "$PIDFILE: flock: $!";
		3412	$fh
		3413	}
		3414
		3415	# make sure only one server instance is running at any one time
		3416	sub atomic {
		3417	my $fh = pidfile;
		3418
		3419	my $pid = <$fh>;
		3420	kill 9, $pid if $pid > 0;
		3421
		3422	seek $fh, 0, 0;
		3423	print $fh $$;
		3424	}
		3425
		3426	sub main_loop {
		3427	warn "EV::loop starting\n";
		3428	if (1) {
		3429	EV::loop;
		3430	}
		3431	warn "EV::loop returned\n";
		3432	goto &main_loop unless $REALLY_UNLOOP;
		3433	}
		3434
3377	sub main {	3435	sub main {
		3436	cf::init_globals; # initialise logging
		3437
		3438	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3439	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3440	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3441	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3442
		3443	cf::init_experience;
		3444	cf::init_anim;
		3445	cf::init_attackmess;
		3446	cf::init_dynamic;
		3447
		3448	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3449
3378	# we must not ever block the main coroutine	3450	# we must not ever block the main coroutine
3379	local $Coro::idle = sub {	3451	local $Coro::idle = sub {
3380	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3452	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3381	(async {	3453	(async {
3382	$Coro::current->{desc} = "IDLE BUG HANDLER";	3454	$Coro::current->{desc} = "IDLE BUG HANDLER";
3383	EV::loop EV::LOOP_ONESHOT;	3455	EV::loop EV::LOOP_ONESHOT;
3384	})->prio (Coro::PRIO_MAX);	3456	})->prio (Coro::PRIO_MAX);
3385	};	3457	};
3386		3458
3387	reload_config;
3388	db_init;
3389	load_extensions;
3390
3391	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3392	evthread_start IO::AIO::poll_fileno;	3459	evthread_start IO::AIO::poll_fileno;
3393	EV::loop;	3460
		3461	cf::sync_job {
		3462	reload_resources;
		3463	reload_config;
		3464	db_init;
		3465
		3466	cf::load_settings;
		3467	cf::load_materials;
		3468	cf::init_uuid;
		3469	cf::init_signals;
		3470	cf::init_commands;
		3471	cf::init_skills;
		3472
		3473	cf::init_beforeplay;
		3474
		3475	atomic;
		3476
		3477	load_extensions;
		3478
		3479	utime time, time, $RUNTIMEFILE;
		3480
		3481	# no (long-running) fork's whatsoever before this point(!)
		3482	use POSIX ();
		3483	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3484
		3485	(pop @POST_INIT)->(0) while @POST_INIT;
		3486	};
		3487
		3488	main_loop;
3394	}	3489	}
3395		3490
3396	#############################################################################	3491	#############################################################################
3397	# initialisation and cleanup	3492	# initialisation and cleanup
3398		3493
…		…
3405	};	3500	};
3406	}	3501	}
3407	}	3502	}
3408		3503
3409	sub write_runtime_sync {	3504	sub write_runtime_sync {
3410	my $runtime = "$LOCALDIR/runtime";
3411
3412	# first touch the runtime file to show we are still running:	3505	# first touch the runtime file to show we are still running:
3413	# the fsync below can take a very very long time.	3506	# the fsync below can take a very very long time.
3414		3507
3415	IO::AIO::aio_utime $runtime, undef, undef;	3508	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3416		3509
3417	my $guard = cf::lock_acquire "write_runtime";	3510	my $guard = cf::lock_acquire "write_runtime";
3418		3511
3419	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3512	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3420	or return;	3513	or return;
3421		3514
3422	my $value = $cf::RUNTIME + 90 + 10;	3515	my $value = $cf::RUNTIME + 90 + 10;
3423	# 10 is the runtime save interval, for a monotonic clock	3516	# 10 is the runtime save interval, for a monotonic clock
3424	# 60 allows for the watchdog to kill the server.	3517	# 60 allows for the watchdog to kill the server.
…		…
3434	aio_utime $fh, undef, undef;	3527	aio_utime $fh, undef, undef;
3435		3528
3436	close $fh	3529	close $fh
3437	or return;	3530	or return;
3438		3531
3439	aio_rename "$runtime~", $runtime	3532	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3440	and return;	3533	and return;
3441		3534
3442	warn "runtime file written.\n";	3535	warn "runtime file written.\n";
3443		3536
3444	1	3537	1
…		…
3456	my $uuid = "$LOCALDIR/uuid";	3549	my $uuid = "$LOCALDIR/uuid";
3457		3550
3458	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3551	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3459	or return;	3552	or return;
3460		3553
3461	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3554	my $value = uuid_seq uuid_cur;
		3555
		3556	unless ($value) {
		3557	warn "cowardly refusing to write zero uuid value!\n";
		3558	return;
		3559	}
		3560
		3561	my $value = uuid_str $value + $uuid_skip;
3462	$uuid_skip = 0;	3562	$uuid_skip = 0;
3463		3563
3464	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3564	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3465	and return;	3565	and return;
3466		3566
…		…
3488	}	3588	}
3489		3589
3490	sub emergency_save() {	3590	sub emergency_save() {
3491	my $freeze_guard = cf::freeze_mainloop;	3591	my $freeze_guard = cf::freeze_mainloop;
3492		3592
3493	warn "enter emergency perl save\n";	3593	warn "emergency_perl_save: enter\n";
3494		3594
3495	cf::sync_job {	3595	cf::sync_job {
		3596	# this is a trade-off: we want to be very quick here, so
		3597	# save all maps without fsync, and later call a global sync
		3598	# (which in turn might be very very slow)
		3599	local $USE_FSYNC = 0;
		3600
3496	# use a peculiar iteration method to avoid tripping on perl	3601	# use a peculiar iteration method to avoid tripping on perl
3497	# refcount bugs in for. also avoids problems with players	3602	# refcount bugs in for. also avoids problems with players
3498	# and maps saved/destroyed asynchronously.	3603	# and maps saved/destroyed asynchronously.
3499	warn "begin emergency player save\n";	3604	warn "emergency_perl_save: begin player save\n";
3500	for my $login (keys %cf::PLAYER) {	3605	for my $login (keys %cf::PLAYER) {
3501	my $pl = $cf::PLAYER{$login} or next;	3606	my $pl = $cf::PLAYER{$login} or next;
3502	$pl->valid or next;	3607	$pl->valid or next;
3503	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3608	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3504	$pl->save;	3609	$pl->save;
3505	}	3610	}
3506	warn "end emergency player save\n";	3611	warn "emergency_perl_save: end player save\n";
3507		3612
3508	warn "begin emergency map save\n";	3613	warn "emergency_perl_save: begin map save\n";
3509	for my $path (keys %cf::MAP) {	3614	for my $path (keys %cf::MAP) {
3510	my $map = $cf::MAP{$path} or next;	3615	my $map = $cf::MAP{$path} or next;
3511	$map->valid or next;	3616	$map->valid or next;
3512	$map->save;	3617	$map->save;
3513	}	3618	}
3514	warn "end emergency map save\n";	3619	warn "emergency_perl_save: end map save\n";
3515		3620
3516	warn "begin emergency database checkpoint\n";	3621	warn "emergency_perl_save: begin database checkpoint\n";
3517	BDB::db_env_txn_checkpoint $DB_ENV;	3622	BDB::db_env_txn_checkpoint $DB_ENV;
3518	warn "end emergency database checkpoint\n";	3623	warn "emergency_perl_save: end database checkpoint\n";
3519		3624
3520	warn "begin write uuid\n";	3625	warn "emergency_perl_save: begin write uuid\n";
3521	write_uuid_sync 1;	3626	write_uuid_sync 1;
3522	warn "end write uuid\n";	3627	warn "emergency_perl_save: end write uuid\n";
3523	};	3628	};
3524		3629
		3630	warn "emergency_perl_save: starting sync()\n";
		3631	IO::AIO::aio_sync sub {
		3632	warn "emergency_perl_save: finished sync()\n";
		3633	};
		3634
3525	warn "leave emergency perl save\n";	3635	warn "emergency_perl_save: leave\n";
3526	}	3636	}
3527		3637
3528	sub post_cleanup {	3638	sub post_cleanup {
3529	my ($make_core) = @_;	3639	my ($make_core) = @_;
3530		3640
3531	warn Carp::longmess "post_cleanup backtrace"	3641	warn Carp::longmess "post_cleanup backtrace"
3532	if $make_core;	3642	if $make_core;
		3643
		3644	my $fh = pidfile;
		3645	unlink $PIDFILE if <$fh> == $$;
		3646	}
		3647
		3648	# a safer delete_package, copied from Symbol
		3649	sub clear_package($) {
		3650	my $pkg = shift;
		3651
		3652	# expand to full symbol table name if needed
		3653	unless ($pkg =~ /^main::.*::$/) {
		3654	$pkg = "main$pkg" if $pkg =~ /^::/;
		3655	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3656	$pkg .= '::' unless $pkg =~ /::$/;
		3657	}
		3658
		3659	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3660	my $stem_symtab = *{$stem}{HASH};
		3661
		3662	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3663	or return;
		3664
		3665	# clear all symbols
		3666	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3667	for my $name (keys %$leaf_symtab) {
		3668	_gv_clear *{"$pkg$name"};
		3669	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3670	}
		3671	warn "cleared package $pkg\n";#d#
3533	}	3672	}
3534		3673
3535	sub do_reload_perl() {	3674	sub do_reload_perl() {
3536	# can/must only be called in main	3675	# can/must only be called in main
3537	if ($Coro::current != $Coro::main) {	3676	if ($Coro::current != $Coro::main) {
3538	warn "can only reload from main coroutine";	3677	warn "can only reload from main coroutine";
3539	return;	3678	return;
3540	}	3679	}
3541		3680
		3681	return if $RELOAD++;
		3682
		3683	my $t1 = EV::time;
		3684
		3685	while ($RELOAD) {
3542	warn "reloading...";	3686	warn "reloading...";
3543		3687
3544	warn "entering sync_job";	3688	warn "entering sync_job";
3545		3689
3546	cf::sync_job {	3690	cf::sync_job {
3547	cf::write_runtime_sync; # external watchdog should not bark	3691	cf::write_runtime_sync; # external watchdog should not bark
3548	cf::emergency_save;	3692	cf::emergency_save;
3549	cf::write_runtime_sync; # external watchdog should not bark	3693	cf::write_runtime_sync; # external watchdog should not bark
3550		3694
3551	warn "syncing database to disk";	3695	warn "syncing database to disk";
3552	BDB::db_env_txn_checkpoint $DB_ENV;	3696	BDB::db_env_txn_checkpoint $DB_ENV;
3553		3697
3554	# if anything goes wrong in here, we should simply crash as we already saved	3698	# if anything goes wrong in here, we should simply crash as we already saved
3555		3699
3556	warn "flushing outstanding aio requests";	3700	warn "flushing outstanding aio requests";
3557	for (;;) {
3558	BDB::flush;
3559	IO::AIO::flush;
3560	Coro::cede_notself;
3561	last unless IO::AIO::nreqs || BDB::nreqs;	3701	while (IO::AIO::nreqs || BDB::nreqs) {
3562	warn "iterate...";	3702	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3563	}
3564
3565	++$RELOAD;
3566
3567	warn "cancelling all extension coros";
3568	$_->cancel for values %EXT_CORO;
3569	%EXT_CORO = ();
3570
3571	warn "removing commands";
3572	%COMMAND = ();
3573
3574	warn "removing ext/exti commands";
3575	%EXTCMD = ();
3576	%EXTICMD = ();
3577
3578	warn "unloading/nuking all extensions";
3579	for my $pkg (@EXTS) {
3580	warn "... unloading $pkg";
3581
3582	if (my $cb = $pkg->can ("unload")) {
3583	eval {
3584	$cb->($pkg);
3585	1
3586	} or warn "$pkg unloaded, but with errors: $@";
3587	}	3703	}
3588		3704
3589	warn "... nuking $pkg";	3705	warn "cancelling all extension coros";
3590	Symbol::delete_package $pkg;	3706	$_->cancel for values %EXT_CORO;
3591	}	3707	%EXT_CORO = ();
3592		3708
3593	warn "unloading all perl modules loaded from $LIBDIR";	3709	warn "removing commands";
3594	while (my ($k, $v) = each %INC) {	3710	%COMMAND = ();
3595	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3596		3711
		3712	warn "removing ext/exti commands";
		3713	%EXTCMD = ();
		3714	%EXTICMD = ();
		3715
		3716	warn "unloading/nuking all extensions";
		3717	for my $pkg (@EXTS) {
3597	warn "... unloading $k";	3718	warn "... unloading $pkg";
3598	delete $INC{$k};
3599		3719
3600	$k =~ s/\.pm$//;
3601	$k =~ s/\//::/g;
3602
3603	if (my $cb = $k->can ("unload_module")) {	3720	if (my $cb = $pkg->can ("unload")) {
		3721	eval {
3604	$cb->();	3722	$cb->($pkg);
		3723	1
		3724	} or warn "$pkg unloaded, but with errors: $@";
		3725	}
		3726
		3727	warn "... clearing $pkg";
		3728	clear_package $pkg;
3605	}	3729	}
3606		3730
3607	Symbol::delete_package $k;	3731	warn "unloading all perl modules loaded from $LIBDIR";
		3732	while (my ($k, $v) = each %INC) {
		3733	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3734
		3735	warn "... unloading $k";
		3736	delete $INC{$k};
		3737
		3738	$k =~ s/\.pm$//;
		3739	$k =~ s/\//::/g;
		3740
		3741	if (my $cb = $k->can ("unload_module")) {
		3742	$cb->();
		3743	}
		3744
		3745	clear_package $k;
3608	}	3746	}
3609		3747
3610	warn "getting rid of safe::, as good as possible";	3748	warn "getting rid of safe::, as good as possible";
3611	Symbol::delete_package "safe::$_"	3749	clear_package "safe::$_"
3612	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3750	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3613		3751
3614	warn "unloading cf.pm \"a bit\"";	3752	warn "unloading cf.pm \"a bit\"";
3615	delete $INC{"cf.pm"};	3753	delete $INC{"cf.pm"};
3616	delete $INC{"cf/pod.pm"};	3754	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3617		3755
3618	# don't, removes xs symbols, too,	3756	# don't, removes xs symbols, too,
3619	# and global variables created in xs	3757	# and global variables created in xs
3620	#Symbol::delete_package __PACKAGE__;	3758	#clear_package __PACKAGE__;
3621		3759
3622	warn "unload completed, starting to reload now";	3760	warn "unload completed, starting to reload now";
3623		3761
3624	warn "reloading cf.pm";	3762	warn "reloading cf.pm";
3625	require cf;	3763	require cf;
3626	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3764	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3627		3765
3628	warn "loading config and database again";	3766	warn "loading config and database again";
3629	cf::reload_config;	3767	cf::reload_config;
3630		3768
3631	warn "loading extensions";	3769	warn "loading extensions";
3632	cf::load_extensions;	3770	cf::load_extensions;
3633		3771
		3772	if ($REATTACH_ON_RELOAD) {
3634	warn "reattaching attachments to objects/players";	3773	warn "reattaching attachments to objects/players";
3635	_global_reattach; # objects, sockets	3774	_global_reattach; # objects, sockets
3636	warn "reattaching attachments to maps";	3775	warn "reattaching attachments to maps";
3637	reattach $_ for values %MAP;	3776	reattach $_ for values %MAP;
3638	warn "reattaching attachments to players";	3777	warn "reattaching attachments to players";
3639	reattach $_ for values %PLAYER;	3778	reattach $_ for values %PLAYER;
		3779	}
3640		3780
		3781	warn "running post_init jobs";
		3782	(pop @POST_INIT)->(1) while @POST_INIT;
		3783
3641	warn "leaving sync_job";	3784	warn "leaving sync_job";
3642		3785
3643	1	3786	1
3644	} or do {	3787	} or do {
3645	warn $@;	3788	warn $@;
3646	cf::cleanup "error while reloading, exiting.";	3789	cf::cleanup "error while reloading, exiting.";
3647	};	3790	};
3648		3791
3649	warn "reloaded";	3792	warn "reloaded";
		3793	--$RELOAD;
		3794	}
		3795
		3796	$t1 = EV::time - $t1;
		3797	warn "reload completed in ${t1}s\n";
3650	};	3798	};
3651		3799
3652	our $RELOAD_WATCHER; # used only during reload	3800	our $RELOAD_WATCHER; # used only during reload
3653		3801
3654	sub reload_perl() {	3802	sub reload_perl() {
3655	# doing reload synchronously and two reloads happen back-to-back,	3803	# doing reload synchronously and two reloads happen back-to-back,
3656	# coro crashes during coro_state_free->destroy here.	3804	# coro crashes during coro_state_free->destroy here.
3657		3805
		3806	$RELOAD_WATCHER ||= cf::async {
		3807	Coro::AIO::aio_wait cache_extensions;
		3808
3658	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3809	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3659	do_reload_perl;	3810	do_reload_perl;
3660	undef $RELOAD_WATCHER;	3811	undef $RELOAD_WATCHER;
		3812	};
3661	};	3813	};
3662	}	3814	}
3663		3815
3664	register_command "reload" => sub {	3816	register_command "reload" => sub {
3665	my ($who, $arg) = @_;	3817	my ($who, $arg) = @_;
…		…
3679		3831
3680	our @WAIT_FOR_TICK;	3832	our @WAIT_FOR_TICK;
3681	our @WAIT_FOR_TICK_BEGIN;	3833	our @WAIT_FOR_TICK_BEGIN;
3682		3834
3683	sub wait_for_tick {	3835	sub wait_for_tick {
3684	return if tick_inhibit;
3685	return if $Coro::current == $Coro::main;	3836	return if tick_inhibit || $Coro::current == $Coro::main;
3686		3837
3687	my $signal = new Coro::Signal;	3838	my $signal = new Coro::Signal;
3688	push @WAIT_FOR_TICK, $signal;	3839	push @WAIT_FOR_TICK, $signal;
3689	$signal->wait;	3840	$signal->wait;
3690	}	3841	}
3691		3842
3692	sub wait_for_tick_begin {	3843	sub wait_for_tick_begin {
3693	return if tick_inhibit;
3694	return if $Coro::current == $Coro::main;	3844	return if tick_inhibit || $Coro::current == $Coro::main;
3695		3845
3696	my $signal = new Coro::Signal;	3846	my $signal = new Coro::Signal;
3697	push @WAIT_FOR_TICK_BEGIN, $signal;	3847	push @WAIT_FOR_TICK_BEGIN, $signal;
3698	$signal->wait;	3848	$signal->wait;
3699	}	3849	}
…		…
3738	{	3888	{
3739	# configure BDB	3889	# configure BDB
3740		3890
3741	BDB::min_parallel 8;	3891	BDB::min_parallel 8;
3742	BDB::max_poll_reqs $TICK * 0.1;	3892	BDB::max_poll_reqs $TICK * 0.1;
3743	$Coro::BDB::WATCHER->priority (1);	3893	$AnyEvent::BDB::WATCHER->priority (1);
3744		3894
3745	unless ($DB_ENV) {	3895	unless ($DB_ENV) {
3746	$DB_ENV = BDB::db_env_create;	3896	$DB_ENV = BDB::db_env_create;
3747	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3897	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3748	| BDB::LOG_AUTOREMOVE, 1);	3898	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3899	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3749	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3900	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3750	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3901	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3751		3902
3752	cf::sync_job {	3903	cf::sync_job {
3753	eval {	3904	eval {
…		…
3779	{	3930	{
3780	# configure IO::AIO	3931	# configure IO::AIO
3781		3932
3782	IO::AIO::min_parallel 8;	3933	IO::AIO::min_parallel 8;
3783	IO::AIO::max_poll_time $TICK * 0.1;	3934	IO::AIO::max_poll_time $TICK * 0.1;
3784	$Coro::AIO::WATCHER->priority (1);	3935	undef $AnyEvent::AIO::WATCHER;
3785	}	3936	}
3786		3937
3787	my $_log_backtrace;	3938	my $_log_backtrace;
3788		3939
3789	sub _log_backtrace {	3940	sub _log_backtrace {
…		…
3792	$msg =~ s/\n//;	3943	$msg =~ s/\n//;
3793		3944
3794	# limit the # of concurrent backtraces	3945	# limit the # of concurrent backtraces
3795	if ($_log_backtrace < 2) {	3946	if ($_log_backtrace < 2) {
3796	++$_log_backtrace;	3947	++$_log_backtrace;
		3948	my $perl_bt = Carp::longmess $msg;
3797	async {	3949	async {
3798	$Coro::current->{desc} = "abt $msg";	3950	$Coro::current->{desc} = "abt $msg";
3799		3951
3800	my @bt = fork_call {	3952	my @bt = fork_call {
3801	@addr = map { sprintf "%x", $_ } @addr;	3953	@addr = map { sprintf "%x", $_ } @addr;
…		…
3812	}	3964	}
3813		3965
3814	@funcs	3966	@funcs
3815	};	3967	};
3816		3968
3817	LOG llevInfo, "[ABT] $msg\n";	3969	LOG llevInfo, "[ABT] $perl_bt\n";
		3970	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3818	LOG llevInfo, "[ABT] $_\n" for @bt;	3971	LOG llevInfo, "[ABT] $_\n" for @bt;
3819	--$_log_backtrace;	3972	--$_log_backtrace;
3820	};	3973	};
3821	} else {	3974	} else {
3822	LOG llevInfo, "[ABT] $msg\n";	3975	LOG llevInfo, "[ABT] $msg\n";
3823	LOG llevInfo, "[ABT] [suppressed]\n";	3976	LOG llevInfo, "[ABT] [suppressed]\n";
3824	}	3977	}
3825	}	3978	}
3826		3979
3827	# load additional modules	3980	# load additional modules
3828	use cf::pod;	3981	require "cf/$_.pm" for @EXTRA_MODULES;
3829		3982
3830	END { cf::emergency_save }	3983	END { cf::emergency_save }
3831		3984
3832	1	3985	1
3833		3986

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