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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.187 by root, Sat Jan 20 21:06:52 2007 UTC vs.
Revision 1.319 by root, Tue Jul 24 15:56:45 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.4 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
		26	use BDB ();
20	use Data::Dumper;	27	use Data::Dumper;
21	use Digest::MD5;	28	use Digest::MD5;
22	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
23	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
		34	use Digest::MD5 ();
26		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		41
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	42	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		43
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
33		46
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
36	our %COMMAND = ();	51	our %COMMAND = ();
37	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
38		53
39	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
43		59
		60	our $RELOAD; # number of reloads so far
44	our @EVENT;	61	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		62
47	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	76	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	79	our $NEXT_TICK;
52	our $NOW;	80	our $NOW;
		81	our $USE_FSYNC = 1; # use fsync to write maps - default off
		82
		83	our $BDB_POLL_WATCHER;
		84	our $DB_ENV;
53		85
54	our %CFG;	86	our %CFG;
55		87
56	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	89	our $RUNTIME;
58		90
59	our %PLAYER; # all users	91	our %PLAYER; # all users
60	our %MAP; # all maps	92	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		94
67	# used to convert map paths into valid unix filenames by replacing / by ∕	95	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
		101
70	binmode STDOUT;	102	binmode STDOUT;
71	binmode STDERR;	103	binmode STDERR;
72		104
73	# read virtual server time, if available	105	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
78	}	110	}
79		111
80	mkdir cf::localdir;	112	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		114
86	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
87		118
88	#############################################################################	119	#############################################################################
89		120
90	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
91		122
…		…
98	=item $cf::RUNTIME	129	=item $cf::RUNTIME
99		130
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	132	every server tick.
102		133
103	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		137
105	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
107		142
108	=item $cf::NOW	143	=item $cf::NOW
109		144
110	The time of the last (current) server tick.	145	The time of the last (current) server tick.
111		146
112	=item $cf::TICK	147	=item $cf::TICK
113		148
114	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
115		160
116	=item %cf::CFG	161	=item %cf::CFG
117		162
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	164	from wherever your confdir points to.
120		165
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		167
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	169	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
127		177
128	=back	178	=back
129		179
130	=cut	180	=cut
131		181
132	BEGIN {	182	BEGIN {
133	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	184	my $msg = join "", @_;
135	utf8::encode $msg;
136		185
137	$msg .= "\n"	186	$msg .= "\n"
138	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
139		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
140	LOG llevError, $msg;	192	LOG llevError, $msg;
141	};	193	};
142	}	194	}
143		195
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		203
151	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	205	# within the Safe compartment.
153	for my $pkg (qw(	206	for my $pkg (qw(
154	cf::global cf::attachable	207	cf::global cf::attachable
…		…
162	}	215	}
163		216
164	$Event::DIED = sub {	217	$Event::DIED = sub {
165	warn "error in event callback: @_";	218	warn "error in event callback: @_";
166	};	219	};
		220
		221	#############################################################################
167		222
168	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
169		224
170	=over 4	225	=over 4
171		226
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	246	$d
192	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
193	}	248	}
194		249
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
198		251
199	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
200		253
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
209		255
210	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
211		257
212	=cut	258	=cut
213		259
214	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
216	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
218		264
219	=item cf::lock_wait $string	265	=item cf::lock_wait $string
220		266
221	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
222		268
…		…
228	returned.	274	returned.
229		275
230	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
232		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
233	=cut	283	=cut
234		284
235	our %LOCK;	285	our %LOCK;
236		286
237	sub lock_wait($) {	287	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
258	}	308	}
259	}	309	}
260		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
261	sub freeze_mainloop {	317	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
263		319
264	my $guard = Coro::guard {	320	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	321	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	322	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
270	$guard	324	$guard
		325	}
		326
		327	=item cf::get_slot $time[, $priority[, $name]]
		328
		329	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		330	This call blocks and returns only when you have at least C<$time> seconds
		331	of cpu time till the next tick. The slot is only valid till the next cede.
		332
		333	The optional C<$name> can be used to identify the job to run. It might be
		334	used for statistical purposes and should identify the same time-class.
		335
		336	Useful for short background jobs.
		337
		338	=cut
		339
		340	our @SLOT_QUEUE;
		341	our $SLOT_QUEUE;
		342
		343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		344	$SLOT_QUEUE = Coro::async {
		345	my $signal = new Coro::Signal;
		346
		347	while () {
		348	next_job:
		349	my $avail = cf::till_tick;
		350	if ($avail > 0.01) {
		351	for (0 .. $#SLOT_QUEUE) {
		352	if ($SLOT_QUEUE[$_][0] < $avail) {
		353	my $job = splice @SLOT_QUEUE, $_, 1, ();
		354	$job->[2]->send;
		355	Coro::cede;
		356	goto next_job;
		357	}
		358	}
		359	}
		360
		361	if (@SLOT_QUEUE) {
		362	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		363	push @cf::WAIT_FOR_TICK, $signal;
		364	$signal->wait;
		365	} else {
		366	Coro::schedule;
		367	}
		368	}
		369	};
		370
		371	sub get_slot($;$$) {
		372	my ($time, $pri, $name) = @_;
		373
		374	$time = $TICK * .6 if $time > $TICK * .6;
		375	my $sig = new Coro::Signal;
		376
		377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		379	$SLOT_QUEUE->ready;
		380	$sig->wait;
271	}	381	}
272		382
273	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
274		384
275	Currently the same as Coro::async_pool, meaning you cannot use	385	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		390
281	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
282		392
283	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
284		394
285	The design of crossfire+ requires that the main coro ($Coro::main) is	395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	396	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		398	acceptable.
288		399
289	If it must be done, put the blocking parts into C<sync_job>. This will run	400	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	401	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	402	server will be frozen during this time, so the block should either finish
292	fast or be very important.	403	fast or be very important.
…		…
295		406
296	sub sync_job(&) {	407	sub sync_job(&) {
297	my ($job) = @_;	408	my ($job) = @_;
298		409
299	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
300	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
302		415
303	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	417	# (but this is cancel-safe)
…		…
315		428
316	while ($busy) {	429	while ($busy) {
317	Coro::cede or Event::one_event;	430	Coro::cede or Event::one_event;
318	}	431	}
319		432
		433	$time = Event::time - $time;
		434
		435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		437
		438	$tick_start += $time; # do not account sync jobs to server load
		439
320	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
321	} else {	441	} else {
322	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
323		443
324	$job->()	444	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
344		464
345	$coro	465	$coro
346	}	466	}
347		467
348	sub write_runtime {	468	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		469
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	470	Executes the given code block with the given arguments in a seperate
352	or return;	471	process, returning the results. Everything must be serialisable with
		472	Coro::Storable. May, of course, block. Note that the executed sub may
		473	never block itself or use any form of Event handling.
353		474
354	my $value = $cf::RUNTIME + 90 + 10;	475	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		476
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	477	sub _store_scalar {
359	and return;	478	open my $fh, ">", \my $buf
360		479	or die "fork_call: cannot open fh-to-buf in child : $!";
361	aio_fsync $fh	480	Storable::store_fd $_[0], $fh;
362	and return;
363
364	close $fh	481	close $fh;
365	or return;
366		482
367	aio_rename "$runtime~", $runtime	483	$buf
368	and return;	484	}
369		485
		486	sub fork_call(&@) {
		487	my ($cb, @args) = @_;
		488
		489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		490	# or die "socketpair: $!";
		491	pipe my $fh1, my $fh2
		492	or die "pipe: $!";
		493
		494	if (my $pid = fork) {
		495	close $fh2;
		496
		497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		498	warn "pst<$res>" unless $res =~ /^pst/;
		499	$res = Coro::Storable::thaw $res;
		500
		501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		502
		503	Carp::confess $$res unless "ARRAY" eq ref $res;
		504
		505	return wantarray ? @$res : $res->[-1];
		506	} else {
		507	reset_signals;
		508	local $SIG{__WARN__};
		509	local $SIG{__DIE__};
		510	# just in case, this hack effectively disables event
		511	# in the child. cleaner and slower would be canceling all watchers,
		512	# but this works for the time being.
		513	local $Coro::idle;
		514	$Coro::current->prio (Coro::PRIO_MAX);
		515
		516	eval {
		517	close $fh1;
		518
		519	my @res = eval { $cb->(@args) };
		520
		521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		522	close $fh2;
		523	};
		524
		525	warn $@ if $@;
		526	_exit 0;
370	1	527	}
		528	}
		529
		530	=item $value = cf::db_get $family => $key
		531
		532	Returns a single value from the environment database.
		533
		534	=item cf::db_put $family => $key => $value
		535
		536	Stores the given C<$value> in the family. It can currently store binary
		537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		538
		539	=cut
		540
		541	our $DB;
		542
		543	sub db_init {
		544	unless ($DB) {
		545	$DB = BDB::db_create $DB_ENV;
		546
		547	cf::sync_job {
		548	eval {
		549	$DB->set_flags (BDB::CHKSUM);
		550
		551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		553	cf::cleanup "db_open(db): $!" if $!;
		554	};
		555	cf::cleanup "db_open(db): $@" if $@;
		556	};
		557	}
		558	}
		559
		560	sub db_get($$) {
		561	my $key = "$_[0]/$_[1]";
		562
		563	cf::sync_job {
		564	BDB::db_get $DB, undef, $key, my $data;
		565
		566	$! ? ()
		567	: $data
		568	}
		569	}
		570
		571	sub db_put($$$) {
		572	BDB::dbreq_pri 4;
		573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		574	}
		575
		576	=item cf::cache $id => [$paths...], $processversion => $process
		577
		578	Generic caching function that returns the value of the resource $id,
		579	caching and regenerating as required.
		580
		581	This function can block.
		582
		583	=cut
		584
		585	sub cache {
		586	my ($id, $src, $processversion, $process) = @_;
		587
		588	my $meta =
		589	join "\x00",
		590	$processversion,
		591	map {
		592	aio_stat $_
		593	and Carp::croak "$_: $!";
		594
		595	($_, (stat _)[7,9])
		596	} @$src;
		597
		598	my $dbmeta = db_get cache => "$id/meta";
		599	if ($dbmeta ne $meta) {
		600	# changed, we may need to process
		601
		602	my @data;
		603	my $md5;
		604
		605	for (0 .. $#$src) {
		606	0 <= aio_load $src->[$_], $data[$_]
		607	or Carp::croak "$src->[$_]: $!";
		608	}
		609
		610	# if processing is expensive, check
		611	# checksum first
		612	if (1) {
		613	$md5 =
		614	join "\x00",
		615	$processversion,
		616	map {
		617	Coro::cede;
		618	($src->[$_], Digest::MD5::md5_hex $data[$_])
		619	} 0.. $#$src;
		620
		621
		622	my $dbmd5 = db_get cache => "$id/md5";
		623	if ($dbmd5 eq $md5) {
		624	db_put cache => "$id/meta", $meta;
		625
		626	return db_get cache => "$id/data";
		627	}
		628	}
		629
		630	my $t1 = Time::HiRes::time;
		631	my $data = $process->(\@data);
		632	my $t2 = Time::HiRes::time;
		633
		634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		635
		636	db_put cache => "$id/data", $data;
		637	db_put cache => "$id/md5" , $md5;
		638	db_put cache => "$id/meta", $meta;
		639
		640	return $data;
		641	}
		642
		643	db_get cache => "$id/data"
		644	}
		645
		646	=item cf::datalog type => key => value, ...
		647
		648	Log a datalog packet of the given type with the given key-value pairs.
		649
		650	=cut
		651
		652	sub datalog($@) {
		653	my ($type, %kv) = @_;
		654	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	655	}
372		656
373	=back	657	=back
374		658
375	=cut	659	=cut
…		…
382	attach callbacks/event handlers (a collection of which is called an "attachment")	666	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
384		668
385	In the following description, CLASS can be any of C<global>, C<object>	669	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	670	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	671	Crossfire TRT).
388		672
389	=over 4	673	=over 4
390		674
391	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
392		676
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
556		840
557	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		845
562	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	847	my $pkg = shift @arg;
564		848
565	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
595	}	879	}
596		880
597	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
598	} else {	882	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	884	}
601		885
602	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
603	}	887	}
604		888
…		…
606	if (ref $_[0]) {	890	if (ref $_[0]) {
607	_object_attach @_;	891	_object_attach @_;
608	} else {	892	} else {
609	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
610	}	894	}
		895	_recalc_want;
611	};	896	};
612		897
613	# all those should be optimised	898	# all those should be optimised
614	sub cf::attachable::detach {	899	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
619	reattach ($obj);	904	reattach ($obj);
620	} else {	905	} else {
621	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
622	}	907	}
		908	_recalc_want;
623	};	909	};
624		910
625	sub cf::attachable::attached {	911	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
627		913
…		…
642	";	928	";
643	die if $@;	929	die if $@;
644	}	930	}
645		931
646	our $override;	932	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	933	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		934
649	sub override {	935	sub override {
650	$override = 1;	936	$override = 1;
651	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
652	}	938	}
653		939
654	sub do_invoke {	940	sub do_invoke {
655	my $event = shift;	941	my $event = shift;
656	my $callbacks = shift;	942	my $callbacks = shift;
657		943
658	@invoke_results = ();	944	@INVOKE_RESULTS = ();
659		945
660	local $override;	946	local $override;
661		947
662	for (@$callbacks) {	948	for (@$callbacks) {
663	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
680		966
681	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
682		968
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		972
687	=back	973	=back
688		974
689	=cut	975	=cut
690		976
691	#############################################################################	977	#############################################################################
692	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
693		990
694	sub reattach {	991	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	993	my ($obj) = @_;
697		994
…		…
750	$filename, length $$rdata, scalar @$objs;	1047	$filename, length $$rdata, scalar @$objs;
751		1048
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1052	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1053	close $fh;
757		1054
758	if (@$objs) {	1055	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1057	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1058	my $data = Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1059	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1060	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1061	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1062	aio_rename "$filename.pst~", "$filename.pst";
766	}	1063	}
767	} else {	1064	} else {
768	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
…		…
800	or return;	1097	or return;
801	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
802	}	1099	}
803		1100
804	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
806	return ($data, $av);	1103	return ($data, $av);
807	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
808		1111
809	#############################################################################	1112	#############################################################################
810	# command handling &c	1113	# command handling &c
811		1114
812	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1129	}
827		1130
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1132
830	Register a callbackf ro execution when the client sends an extcmd packet.	1133	Register a callback for execution when the client sends an (synchronous)
		1134	extcmd packet. Ext commands will be processed in the order they are
		1135	received by the server, like other user commands. The first argument is
		1136	the logged-in player. Ext commands can only be processed after a player
		1137	has logged in successfully.
831		1138
832	If the callback returns something, it is sent back as if reply was being	1139	If the callback returns something, it is sent back as if reply was being
833	called.	1140	called.
834		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
835	=cut	1153	=cut
836		1154
837	sub register_extcmd {	1155	sub register_extcmd {
838	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
839		1157
840	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
841	}	1165	}
842		1166
843	cf::player->attach (	1167	cf::player->attach (
844	on_command => sub {	1168	on_command => sub {
845	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1178	cf::override;
855	},	1179	},
856	on_extcmd => sub {	1180	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
858		1182
859	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1184
861	if (ref $msg) {	1185	if (ref $msg) {
		1186	my ($type, $reply, @payload) =
		1187	"ARRAY" eq ref $msg
		1188	? @$msg
		1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1190
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1192	my @reply = $cb->($pl, @payload);
		1193
864	$pl->ext_reply ($msg->{msgid}, %reply);	1194	$pl->ext_reply ($reply, @reply)
865	}	1195	if $reply;
866	}	1196	}
867	} else {	1197	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1199	}
870		1200
871	cf::override;	1201	cf::override;
872	},	1202	},
873	);	1203	);
874		1204
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
910	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1210	next unless -r $path;
912	eval {	1211
913	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
914	1	1269	}
915	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
916	}	1275	};
917	}	1276	}
918		1277
919	#############################################################################	1278	#############################################################################
920		1279
		1280	=back
		1281
921	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
922		1283
923	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
924		1285
925	=cut	1286	=cut
…		…
937	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
938		1299
939	=cut	1300	=cut
940		1301
941	sub playerdir($) {	1302	sub playerdir($) {
942	cf::localdir	1303	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1305	}
948		1306
949	sub path($) {	1307	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1309
952	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
953	}	1311	}
954		1312
955	sub find_active($) {	1313	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1328	my $login = $_[0];
971		1329
972	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
973		1331
974	$cf::PLAYER{$_[0]} || do {	1332	$cf::PLAYER{$_[0]} || do {
		1333	# rename old playerfiles to new ones
		1334	#TODO: remove when no longer required
		1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1338	aio_unlink +(playerdir $login) . "/$login.pl";
		1339
975	my $pl = load_pl path $login	1340	my $pl = load_pl path $login
976	or return;	1341	or return;
977	$cf::PLAYER{$login} = $pl	1342	$cf::PLAYER{$login} = $pl
978	}	1343	}
979	}	1344	}
…		…
1016		1381
1017	=cut	1382	=cut
1018		1383
1019	sub quit_character {	1384	sub quit_character {
1020	my ($pl) = @_;	1385	my ($pl) = @_;
		1386
		1387	my $name = $pl->ob->name;
1021		1388
1022	$pl->{deny_save} = 1;	1389	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1390	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1391
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1397	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1398	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1399	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1400	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1401	$pl->destroy;
		1402
		1403	my $prefix = qr<^~\Q$name\E/>;
		1404
		1405	# nuke player maps
		1406	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1407
1035	IO::AIO::aio_rmtree $temp;	1408	IO::AIO::aio_rmtree $temp;
		1409	}
		1410
		1411	=item $pl->kick
		1412
		1413	Kicks a player out of the game. This destroys the connection.
		1414
		1415	=cut
		1416
		1417	sub kick {
		1418	my ($pl, $kicker) = @_;
		1419
		1420	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1421	$pl->killer ("kicked");
		1422	$pl->ns->destroy;
1036	}	1423	}
1037		1424
1038	=item cf::player::list_logins	1425	=item cf::player::list_logins
1039		1426
1040	Returns am arrayref of all valid playernames in the system, can take a	1427	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1428	while and may block, so not sync_job-capable, ever.
1042		1429
1043	=cut	1430	=cut
1044		1431
1045	sub list_logins {	1432	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1433	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1434	or return [];
1048		1435
1049	my @logins;	1436	my @logins;
1050		1437
1051	for my $login (@$dirs) {	1438	for my $login (@$dirs) {
…		…
1068	=cut	1455	=cut
1069		1456
1070	sub maps($) {	1457	sub maps($) {
1071	my ($pl) = @_;	1458	my ($pl) = @_;
1072		1459
		1460	$pl = ref $pl ? $pl->ob->name : $pl;
		1461
1073	my $files = aio_readdir playerdir $pl	1462	my $files = aio_readdir playerdir $pl
1074	or return;	1463	or return;
1075		1464
1076	my @paths;	1465	my @paths;
1077		1466
1078	for (@$files) {	1467	for (@$files) {
1079	utf8::decode $_;	1468	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1469	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1470	next unless /^$PATH_SEP/o;
1082		1471
1083	s/\.map$//;	1472	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1473	}
1086		1474
1087	\@paths	1475	\@paths
1088	}	1476	}
1089		1477
		1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1479
		1480	Expand crossfire pod fragments into protocol xml.
		1481
		1482	=cut
		1483
		1484	sub expand_cfpod {
		1485	((my $self), (local $_)) = @_;
		1486
		1487	# escape & and <
		1488	s/&/&amp;/g;
		1489	s/(?<![BIUGH])</&lt;/g;
		1490
		1491	# this is buggy, it needs to properly take care of nested <'s
		1492
		1493	1 while
		1494	# replace B<>, I<>, U<> etc.
		1495	s/B<([^\>]*)>/<b>$1<\/b>/
		1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1498	# replace G<male|female> tags
		1499	|| s{G<([^>|]*)\|([^>]*)>}{
		1500	$self->gender ? $2 : $1
		1501	}ge
		1502	# replace H<hint text>
		1503	|| s{H<([^\>]*)>}
		1504	{
		1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1507	"")
		1508	[$self->{hintmode}]
		1509	}ge;
		1510
		1511	# create single paragraphs (very hackish)
		1512	s/(?<=\S)\n(?=\w)/ /g;
		1513
		1514	# compress some whitespace
		1515	s/\s+\n/\n/g; # ws line-ends
		1516	s/\n\n+/\n/g; # double lines
		1517	s/^\n+//; # beginning lines
		1518	s/\n+$//; # ending lines
		1519
		1520	$_
		1521	}
		1522
		1523	sub hintmode {
		1524	$_[0]{hintmode} = $_[1] if @_ > 1;
		1525	$_[0]{hintmode}
		1526	}
		1527
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1091		1529
1092	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1093		1531
1094	=cut	1532	=cut
1095		1533
1096	sub ext_reply($$$%) {	1534	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1098		1536
1099	$msg{msgid} = $id;	1537	if ($self->ns->extcmd == 2) {
1100		1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1101	$self->send ("ext " . cf::to_json \%msg);	1539	} elsif ($self->ns->extcmd == 1) {
		1540	#TODO: version 1, remove
		1541	unshift @msg, msgtype => "reply", msgid => $id;
		1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1543	}
1102	}	1544	}
1103		1545
1104	package cf;	1546	=item $player->ext_msg ($type, @msg)
		1547
		1548	Sends an ext event to the client.
		1549
		1550	=cut
		1551
		1552	sub ext_msg($$@) {
		1553	my ($self, $type, @msg) = @_;
		1554
		1555	$self->ns->ext_msg ($type, @msg);
		1556	}
		1557
		1558	=head3 cf::region
		1559
		1560	=over 4
		1561
		1562	=cut
		1563
		1564	package cf::region;
		1565
		1566	=item cf::region::find_by_path $path
		1567
		1568	Tries to decuce the likely region for a map knowing only its path.
		1569
		1570	=cut
		1571
		1572	sub find_by_path($) {
		1573	my ($path) = @_;
		1574
		1575	my ($match, $specificity);
		1576
		1577	for my $region (list) {
		1578	if ($region->{match} && $path =~ $region->{match}) {
		1579	($match, $specificity) = ($region, $region->specificity)
		1580	if $region->specificity > $specificity;
		1581	}
		1582	}
		1583
		1584	$match
		1585	}
1105		1586
1106	=back	1587	=back
1107
1108		1588
1109	=head3 cf::map	1589	=head3 cf::map
1110		1590
1111	=over 4	1591	=over 4
1112		1592
…		…
1167	my ($self, $merge) = @_;	1647	my ($self, $merge) = @_;
1168		1648
1169	# we have to keep some variables in memory intact	1649	# we have to keep some variables in memory intact
1170	local $self->{path};	1650	local $self->{path};
1171	local $self->{load_path};	1651	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1652
1175	$self->SUPER::thawer_merge ($merge);	1653	$self->SUPER::thawer_merge ($merge);
1176	}	1654	}
1177		1655
1178	sub normalise {	1656	sub normalise {
1179	my ($path, $base) = @_;	1657	my ($path, $base) = @_;
		1658
		1659	$path = "$path"; # make sure its a string
		1660
		1661	$path =~ s/\.map$//;
1180		1662
1181	# map plan:	1663	# map plan:
1182	#	1664	#
1183	# /! non-realised random map exit (special hack!)	1665	# /! non-realised random map exit (special hack!)
1184	# {... are special paths that are not being touched	1666	# {... are special paths that are not being touched
…		…
1221	$self->init; # pass $1 etc.	1703	$self->init; # pass $1 etc.
1222	return $self;	1704	return $self;
1223	}	1705	}
1224	}	1706	}
1225		1707
1226	Carp::carp "unable to resolve path '$path'.";	1708	Carp::cluck "unable to resolve path '$path' (base '$base').";
1227	()	1709	()
1228	}	1710	}
1229		1711
1230	sub init {	1712	sub init {
1231	my ($self) = @_;	1713	my ($self) = @_;
…		…
1246		1728
1247	# the original (read-only) location	1729	# the original (read-only) location
1248	sub load_path {	1730	sub load_path {
1249	my ($self) = @_;	1731	my ($self) = @_;
1250		1732
1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1733	"$MAPDIR/$self->{path}.map"
1252	}	1734	}
1253		1735
1254	# the temporary/swap location	1736	# the temporary/swap location
1255	sub save_path {	1737	sub save_path {
1256	my ($self) = @_;	1738	my ($self) = @_;
1257		1739
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1741	"$TMPDIR/$path.map"
1260	}	1742	}
1261		1743
1262	# the unique path, undef == no special unique path	1744	# the unique path, undef == no special unique path
1263	sub uniq_path {	1745	sub uniq_path {
1264	my ($self) = @_;	1746	my ($self) = @_;
1265		1747
1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1749	"$UNIQUEDIR/$path"
1268	}	1750	}
1269		1751
1270	# and all this just because we cannot iterate over	1752	# and all this just because we cannot iterate over
1271	# all maps in C++...	1753	# all maps in C++...
1272	sub change_all_map_light {	1754	sub change_all_map_light {
…		…
1274		1756
1275	$_->change_map_light ($change)	1757	$_->change_map_light ($change)
1276	for grep $_->outdoor, values %cf::MAP;	1758	for grep $_->outdoor, values %cf::MAP;
1277	}	1759	}
1278		1760
		1761	sub decay_objects {
		1762	my ($self) = @_;
		1763
		1764	return if $self->{deny_reset};
		1765
		1766	$self->do_decay_objects;
		1767	}
		1768
1279	sub unlink_save {	1769	sub unlink_save {
1280	my ($self) = @_;	1770	my ($self) = @_;
1281		1771
1282	utf8::encode (my $save = $self->save_path);	1772	utf8::encode (my $save = $self->save_path);
1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1773	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1286		1776
1287	sub load_header_from($) {	1777	sub load_header_from($) {
1288	my ($self, $path) = @_;	1778	my ($self, $path) = @_;
1289		1779
1290	utf8::encode $path;	1780	utf8::encode $path;
1291	aio_open $path, O_RDONLY, 0	1781	#aio_open $path, O_RDONLY, 0
1292	or return;	1782	# or return;
1293		1783
1294	$self->_load_header ($path)	1784	$self->_load_header ($path)
1295	or return;	1785	or return;
1296		1786
1297	$self->{load_path} = $path;	1787	$self->{load_path} = $path;
1298		1788
1299	1	1789	1
1300	}	1790	}
1301		1791
1302	sub load_orig {	1792	sub load_header_orig {
1303	my ($self) = @_;	1793	my ($self) = @_;
1304		1794
1305	$self->load_header_from ($self->load_path)	1795	$self->load_header_from ($self->load_path)
1306	}	1796	}
1307		1797
1308	sub load_temp {	1798	sub load_header_temp {
1309	my ($self) = @_;	1799	my ($self) = @_;
1310		1800
1311	$self->load_header_from ($self->save_path)	1801	$self->load_header_from ($self->save_path)
		1802	}
		1803
		1804	sub prepare_temp {
		1805	my ($self) = @_;
		1806
		1807	$self->last_access ((delete $self->{last_access})
		1808	|| $cf::RUNTIME); #d#
		1809	# safety
		1810	$self->{instantiate_time} = $cf::RUNTIME
		1811	if $self->{instantiate_time} > $cf::RUNTIME;
		1812	}
		1813
		1814	sub prepare_orig {
		1815	my ($self) = @_;
		1816
		1817	$self->{load_original} = 1;
		1818	$self->{instantiate_time} = $cf::RUNTIME;
		1819	$self->last_access ($cf::RUNTIME);
		1820	$self->instantiate;
1312	}	1821	}
1313		1822
1314	sub load_header {	1823	sub load_header {
1315	my ($self) = @_;	1824	my ($self) = @_;
1316		1825
1317	if ($self->load_temp) {	1826	if ($self->load_header_temp) {
1318	$self->last_access ((delete $self->{last_access})	1827	$self->prepare_temp;
1319	|| $cf::RUNTIME); #d#
1320	# safety
1321	$self->{instantiate_time} = $cf::RUNTIME
1322	if $self->{instantiate_time} > $cf::RUNTIME;
1323	} else {	1828	} else {
1324	$self->load_orig	1829	$self->load_header_orig
1325	or return;	1830	or return;
1326		1831	$self->prepare_orig;
1327	$self->{load_original} = 1;
1328	$self->{instantiate_time} = $cf::RUNTIME;
1329	$self->last_access ($cf::RUNTIME);
1330	$self->instantiate;
1331	}	1832	}
		1833
		1834	$self->{deny_reset} = 1
		1835	if $self->no_reset;
		1836
		1837	$self->default_region (cf::region::find_by_path $self->{path})
		1838	unless $self->default_region;
1332		1839
1333	1	1840	1
1334	}	1841	}
1335		1842
1336	sub find;	1843	sub find;
…		…
1349	$map->{last_save} = $cf::RUNTIME;	1856	$map->{last_save} = $cf::RUNTIME;
1350		1857
1351	$map->load_header	1858	$map->load_header
1352	or return;	1859	or return;
1353		1860
1354	if ($map->should_reset) {	1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1355	# doing this can freeze the server in a sync job, obviously	1862	# doing this can freeze the server in a sync job, obviously
1356	#$cf::WAIT_FOR_TICK->wait;	1863	#$cf::WAIT_FOR_TICK->wait;
1357	$map->reset;	1864	$map->reset;
1358	undef $guard;	1865	undef $guard;
1359	$map = find $path	1866	return find $path;
1360	or return;
1361	}	1867	}
1362		1868
1363	$cf::MAP{$path} = $map	1869	$cf::MAP{$path} = $map
1364	}	1870	}
1365	}	1871	}
		1872
		1873	sub pre_load { }
		1874	sub post_load { }
1366		1875
1367	sub load {	1876	sub load {
1368	my ($self) = @_;	1877	my ($self) = @_;
1369		1878
		1879	local $self->{deny_reset} = 1; # loading can take a long time
		1880
1370	my $path = $self->{path};	1881	my $path = $self->{path};
		1882
		1883	{
1371	my $guard = cf::lock_acquire "map_load:$path";	1884	my $guard = cf::lock_acquire "map_load:$path";
1372		1885
1373	return if $self->in_memory != cf::MAP_SWAPPED;	1886	return if $self->in_memory != cf::MAP_SWAPPED;
1374		1887
1375	$self->in_memory (cf::MAP_LOADING);	1888	$self->in_memory (cf::MAP_LOADING);
1376		1889
1377	$self->alloc;	1890	$self->alloc;
1378	$self->_load_objects ($self->{load_path}, 1)
1379	or return;
1380		1891
1381	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1892	$self->pre_load;
1382	if delete $self->{load_original};
1383
1384	if (my $uniq = $self->uniq_path) {
1385	utf8::encode $uniq;
1386	if (aio_open $uniq, O_RDONLY, 0) {
1387	$self->clear_unique_items;
1388	$self->_load_objects ($uniq, 0);
1389	}
1390	}
1391
1392	Coro::cede;
1393
1394	# now do the right thing for maps
1395	$self->link_multipart_objects;
1396
1397	unless ($self->{deny_activate}) {
1398	$self->decay_objects;
1399	$self->fix_auto_apply;
1400	$self->update_buttons;
1401	Coro::cede;	1893	Coro::cede;
1402	$self->set_darkness_map;	1894
		1895	$self->_load_objects ($self->{load_path}, 1)
		1896	or return;
		1897
		1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1899	if delete $self->{load_original};
		1900
		1901	if (my $uniq = $self->uniq_path) {
		1902	utf8::encode $uniq;
		1903	if (aio_open $uniq, O_RDONLY, 0) {
		1904	$self->clear_unique_items;
		1905	$self->_load_objects ($uniq, 0);
		1906	}
		1907	}
		1908
		1909	Coro::cede;
		1910	# now do the right thing for maps
		1911	$self->link_multipart_objects;
1403	$self->difficulty ($self->estimate_difficulty)	1912	$self->difficulty ($self->estimate_difficulty)
1404	unless $self->difficulty;	1913	unless $self->difficulty;
1405	Coro::cede;	1914	Coro::cede;
		1915
		1916	unless ($self->{deny_activate}) {
		1917	$self->decay_objects;
		1918	$self->fix_auto_apply;
		1919	$self->update_buttons;
		1920	Coro::cede;
		1921	$self->set_darkness_map;
		1922	Coro::cede;
1406	$self->activate;	1923	$self->activate;
1407	}	1924	}
1408		1925
1409	$self->in_memory (cf::MAP_IN_MEMORY);	1926	$self->in_memory (cf::MAP_IN_MEMORY);
		1927	}
		1928
		1929	$self->post_load;
1410	}	1930	}
1411		1931
1412	sub customise_for {	1932	sub customise_for {
1413	my ($self, $ob) = @_;	1933	my ($self, $ob) = @_;
1414		1934
1415	return find "~" . $ob->name . "/" . $self->{path}	1935	return find "~" . $ob->name . "/" . $self->{path}
1416	if $self->per_player;	1936	if $self->per_player;
		1937
		1938	# return find "?party/" . $ob->name . "/" . $self->{path}
		1939	# if $self->per_party;
1417		1940
1418	$self	1941	$self
1419	}	1942	}
1420		1943
1421	# find and load all maps in the 3x3 area around a map	1944	# find and load all maps in the 3x3 area around a map
…		…
1468		1991
1469	undef $MAP_PREFETCH{$path};	1992	undef $MAP_PREFETCH{$path};
1470	$MAP_PREFETCHER ||= cf::async {	1993	$MAP_PREFETCHER ||= cf::async {
1471	while (%MAP_PREFETCH) {	1994	while (%MAP_PREFETCH) {
1472	for my $path (keys %MAP_PREFETCH) {	1995	for my $path (keys %MAP_PREFETCH) {
1473	my $map = find $path	1996	if (my $map = find $path) {
1474	or next;
1475	$map->load;	1997	$map->load;
		1998	}
1476		1999
1477	delete $MAP_PREFETCH{$path};	2000	delete $MAP_PREFETCH{$path};
1478	}	2001	}
1479	}	2002	}
1480	undef $MAP_PREFETCHER;	2003	undef $MAP_PREFETCHER;
1481	};	2004	};
		2005	$MAP_PREFETCHER->prio (6);
1482		2006
1483	()	2007	()
1484	}	2008	}
1485		2009
1486	sub save {	2010	sub save {
…		…
1531		2055
1532	sub reset_at {	2056	sub reset_at {
1533	my ($self) = @_;	2057	my ($self) = @_;
1534		2058
1535	# TODO: safety, remove and allow resettable per-player maps	2059	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->isa ("ext::map_per_player");#d#
1537	return 1e99 if $self->{deny_reset};	2060	return 1e99 if $self->{deny_reset};
1538		2061
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2062	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2063	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		2064
…		…
1552	my ($self) = @_;	2075	my ($self) = @_;
1553		2076
1554	my $lock = cf::lock_acquire "map_data:$self->{path}";	2077	my $lock = cf::lock_acquire "map_data:$self->{path}";
1555		2078
1556	return if $self->players;	2079	return if $self->players;
1557	return if $self->isa ("ext::map_per_player");#d#
1558		2080
1559	warn "resetting map ", $self->path;#d#	2081	warn "resetting map ", $self->path;
		2082
		2083	$self->in_memory (cf::MAP_SWAPPED);
		2084
		2085	# need to save uniques path
		2086	unless ($self->{deny_save}) {
		2087	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2088
		2089	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2090	if $uniq;
		2091	}
1560		2092
1561	delete $cf::MAP{$self->path};	2093	delete $cf::MAP{$self->path};
1562		2094
1563	$self->in_memory (cf::MAP_SWAPPED);
1564	$self->clear;	2095	$self->clear;
1565		2096
1566	$_->clear_links_to ($self) for values %cf::MAP;	2097	$_->clear_links_to ($self) for values %cf::MAP;
1567		2098
1568	$self->unlink_save;	2099	$self->unlink_save;
…		…
1587	$cf::MAP{$self->path} = $self;	2118	$cf::MAP{$self->path} = $self;
1588		2119
1589	$self->reset; # polite request, might not happen	2120	$self->reset; # polite request, might not happen
1590	}	2121	}
1591		2122
		2123	=item $maps = cf::map::tmp_maps
		2124
		2125	Returns an arrayref with all map paths of currently instantiated and saved
		2126	maps. May block.
		2127
		2128	=cut
		2129
		2130	sub tmp_maps() {
		2131	[
		2132	map {
		2133	utf8::decode $_;
		2134	/\.map$/
		2135	? normalise $_
		2136	: ()
		2137	} @{ aio_readdir $TMPDIR or [] }
		2138	]
		2139	}
		2140
		2141	=item $maps = cf::map::random_maps
		2142
		2143	Returns an arrayref with all map paths of currently instantiated and saved
		2144	random maps. May block.
		2145
		2146	=cut
		2147
		2148	sub random_maps() {
		2149	[
		2150	map {
		2151	utf8::decode $_;
		2152	/\.map$/
		2153	? normalise "?random/$_"
		2154	: ()
		2155	} @{ aio_readdir $RANDOMDIR or [] }
		2156	]
		2157	}
		2158
1592	=item cf::map::unique_maps	2159	=item cf::map::unique_maps
1593		2160
1594	Returns an arrayref of paths of all shared maps that have	2161	Returns an arrayref of paths of all shared maps that have
1595	instantiated unique items. May block.	2162	instantiated unique items. May block.
1596		2163
1597	=cut	2164	=cut
1598		2165
1599	sub unique_maps() {	2166	sub unique_maps() {
1600	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2167	[
1601	or return;	2168	map {
1602
1603	my @paths;
1604
1605	for (@$files) {
1606	utf8::decode $_;	2169	utf8::decode $_;
1607	next if /\.pst$/;
1608	next unless /^$PATH_SEP/o;
1609
1610	s/\.map$//;	2170	/\.map$/
1611	push @paths, $_;	2171	? normalise $_
		2172	: ()
		2173	} @{ aio_readdir $UNIQUEDIR or [] }
1612	}	2174	]
1613
1614	\@paths
1615	}	2175	}
1616		2176
1617	package cf;	2177	package cf;
1618		2178
1619	=back	2179	=back
…		…
1665		2225
1666	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2226	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1667		2227
1668	if ($self->{record_replies}) {	2228	if ($self->{record_replies}) {
1669	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2229	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2230
1670	} else {	2231	} else {
		2232	my $pl = $self->contr;
		2233
		2234	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2235	my $dialog = $pl->{npc_dialog};
		2236	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2237
		2238	} else {
1671	$msg = $npc->name . " says: $msg" if $npc;	2239	$msg = $npc->name . " says: $msg" if $npc;
1672	$self->message ($msg, $flags);	2240	$self->message ($msg, $flags);
		2241	}
1673	}	2242	}
1674	}	2243	}
1675		2244
1676	=item $player_object->may ("access")	2245	=item $player_object->may ("access")
1677		2246
…		…
1710	=cut	2279	=cut
1711		2280
1712	sub link_map {	2281	sub link_map {
1713	unless ($LINK_MAP) {	2282	unless ($LINK_MAP) {
1714	$LINK_MAP = cf::map::find "{link}"	2283	$LINK_MAP = cf::map::find "{link}"
1715	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2284	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1716	$LINK_MAP->load;	2285	$LINK_MAP->load;
1717	}	2286	}
1718		2287
1719	$LINK_MAP	2288	$LINK_MAP
1720	}	2289	}
…		…
1725	$self->deactivate_recursive;	2294	$self->deactivate_recursive;
1726		2295
1727	return if UNIVERSAL::isa $self->map, "ext::map_link";	2296	return if UNIVERSAL::isa $self->map, "ext::map_link";
1728		2297
1729	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2298	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1730	if $self->map;	2299	if $self->map && $self->map->{path} ne "{link}";
1731		2300
1732	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2301	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1733	}	2302	}
1734		2303
1735	sub cf::object::player::leave_link {	2304	sub cf::object::player::leave_link {
1736	my ($self, $map, $x, $y) = @_;	2305	my ($self, $map, $x, $y) = @_;
		2306
		2307	return unless $self->contr->active;
1737		2308
1738	my $link_pos = delete $self->{_link_pos};	2309	my $link_pos = delete $self->{_link_pos};
1739		2310
1740	unless ($map) {	2311	unless ($map) {
1741	# restore original map position	2312	# restore original map position
…		…
1759	$map->load;	2330	$map->load;
1760	$map->load_diag;	2331	$map->load_diag;
1761		2332
1762	return unless $self->contr->active;	2333	return unless $self->contr->active;
1763	$self->activate_recursive;	2334	$self->activate_recursive;
		2335
		2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1764	$self->enter_map ($map, $x, $y);	2337	$self->enter_map ($map, $x, $y);
1765	}	2338	}
1766		2339
1767	cf::player->attach (	2340	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1768	on_logout => sub {
1769	my ($pl) = @_;
1770		2341
1771	# abort map switching before logout	2342	Moves the player to the given map-path and coordinates by first freezing
1772	if ($pl->ob->{_link_pos}) {	2343	her, loading and preparing them map, calling the provided $check callback
1773	cf::sync_job {	2344	that has to return the map if sucecssful, and then unfreezes the player on
1774	$pl->ob->leave_link	2345	the new (success) or old (failed) map position. In either case, $done will
1775	};	2346	be called at the end of this process.
1776	}
1777	},
1778	on_login => sub {
1779	my ($pl) = @_;
1780		2347
1781	# try to abort aborted map switching on player login :)
1782	# should happen only on crashes
1783	if ($pl->ob->{_link_pos}) {
1784	$pl->ob->enter_link;
1785	(async {
1786	# we need this sleep as the login has a concurrent enter_exit running
1787	# and this sleep increases chances of the player not ending up in scorn
1788	$pl->ob->reply (undef,
1789	"There was an internal problem at your last logout, "
1790	. "the server will try to bring you to your intended destination in a second.",
1791	cf::NDI_RED);
1792	Coro::Timer::sleep 1;
1793	$pl->ob->leave_link;
1794	})->prio (2);
1795	}
1796	},
1797	);
1798
1799	=item $player_object->goto ($path, $x, $y)
1800
1801	=cut	2348	=cut
		2349
		2350	our $GOTOGEN;
1802		2351
1803	sub cf::object::player::goto {	2352	sub cf::object::player::goto {
1804	my ($self, $path, $x, $y) = @_;	2353	my ($self, $path, $x, $y, $check, $done) = @_;
		2354
		2355	# do generation counting so two concurrent goto's will be executed in-order
		2356	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1805		2357
1806	$self->enter_link;	2358	$self->enter_link;
1807		2359
1808	(async {	2360	(async {
		2361	my $map = eval {
1809	my $map = cf::map::find $path;	2362	my $map = cf::map::find $path;
		2363
		2364	if ($map) {
1810	$map = $map->customise_for ($self) if $map;	2365	$map = $map->customise_for ($self);
1811		2366	$map = $check->($map) if $check && $map;
1812	# warn "entering ", $map->path, " at ($x, $y)\n"	2367	} else {
1813	# if $map;
1814
1815	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2368	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2369	}
1816		2370
		2371	$map
		2372	};
		2373
		2374	if ($@) {
		2375	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2376	LOG llevError | logBacktrace, Carp::longmess $@;
		2377	}
		2378
		2379	if ($gen == $self->{_goto_generation}) {
		2380	delete $self->{_goto_generation};
1817	$self->leave_link ($map, $x, $y);	2381	$self->leave_link ($map, $x, $y);
		2382	}
		2383
		2384	$done->() if $done;
1818	})->prio (1);	2385	})->prio (1);
1819	}	2386	}
1820		2387
1821	=item $player_object->enter_exit ($exit_object)	2388	=item $player_object->enter_exit ($exit_object)
1822		2389
…		…
1851	# that depends on the exit object	2418	# that depends on the exit object
1852		2419
1853	my $rmp = parse_random_map_params $exit->msg;	2420	my $rmp = parse_random_map_params $exit->msg;
1854		2421
1855	if ($exit->map) {	2422	if ($exit->map) {
1856	$rmp->{region} = $exit->map->region_name;	2423	$rmp->{region} = $exit->region->name;
1857	$rmp->{origin_map} = $exit->map->path;	2424	$rmp->{origin_map} = $exit->map->path;
1858	$rmp->{origin_x} = $exit->x;	2425	$rmp->{origin_x} = $exit->x;
1859	$rmp->{origin_y} = $exit->y;	2426	$rmp->{origin_y} = $exit->y;
1860	}	2427	}
1861		2428
1862	$rmp->{random_seed} ||= $exit->random_seed;	2429	$rmp->{random_seed} ||= $exit->random_seed;
1863		2430
1864	my $data = cf::to_json $rmp;	2431	my $data = cf::to_json $rmp;
1865	my $md5 = Digest::MD5::md5_hex $data;	2432	my $md5 = Digest::MD5::md5_hex $data;
1866	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2433	my $meta = "$RANDOMDIR/$md5.meta";
1867		2434
1868	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2435	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1869	aio_write $fh, 0, (length $data), $data, 0;	2436	aio_write $fh, 0, (length $data), $data, 0;
1870	undef $fh;	2437	undef $fh;
1871	aio_rename "$meta~", $meta;	2438	aio_rename "$meta~", $meta;
…		…
1878	sub cf::object::player::enter_exit {	2445	sub cf::object::player::enter_exit {
1879	my ($self, $exit) = @_;	2446	my ($self, $exit) = @_;
1880		2447
1881	return unless $self->type == cf::PLAYER;	2448	return unless $self->type == cf::PLAYER;
1882		2449
		2450	if ($exit->slaying eq "/!") {
		2451	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2452	# the problem is that $exit might not survive long enough
		2453	# so it needs to be done right now, right here
		2454	cf::sync_job { prepare_random_map $exit };
		2455	}
		2456
		2457	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2458	my $hp = $exit->stats->hp;
		2459	my $sp = $exit->stats->sp;
		2460
1883	$self->enter_link;	2461	$self->enter_link;
		2462
		2463	# if exit is damned, update players death & WoR home-position
		2464	$self->contr->savebed ($slaying, $hp, $sp)
		2465	if $exit->flag (FLAG_DAMNED);
1884		2466
1885	(async {	2467	(async {
1886	$self->deactivate_recursive; # just to be sure	2468	$self->deactivate_recursive; # just to be sure
1887	unless (eval {	2469	unless (eval {
1888	prepare_random_map $exit	2470	$self->goto ($slaying, $hp, $sp);
1889	if $exit->slaying eq "/!";
1890
1891	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1892	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1893		2471
1894	1;	2472	1;
1895	}) {	2473	}) {
1896	$self->message ("Something went wrong deep within the crossfire server. "	2474	$self->message ("Something went wrong deep within the crossfire server. "
1897	. "I'll try to bring you back to the map you were before. "	2475	. "I'll try to bring you back to the map you were before. "
1898	. "Please report this to the dungeon master!",	2476	. "Please report this to the dungeon master!",
1899	cf::NDI_UNIQUE | cf::NDI_RED);	2477	cf::NDI_UNIQUE | cf::NDI_RED);
1900		2478
1901	warn "ERROR in enter_exit: $@";	2479	warn "ERROR in enter_exit: $@";
1902	$self->leave_link;	2480	$self->leave_link;
1903	}	2481	}
1904	})->prio (1);	2482	})->prio (1);
…		…
1917		2495
1918	sub cf::client::send_drawinfo {	2496	sub cf::client::send_drawinfo {
1919	my ($self, $text, $flags) = @_;	2497	my ($self, $text, $flags) = @_;
1920		2498
1921	utf8::encode $text;	2499	utf8::encode $text;
1922	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2500	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1923	}	2501	}
1924		2502
		2503	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	Send a drawinfo or msg packet to the client, formatting the msg for the
		2506	client if neccessary. C<$type> should be a string identifying the type of
		2507	the message, with C<log> being the default. If C<$color> is negative, suppress
		2508	the message unless the client supports the msg packet.
		2509
		2510	=cut
		2511
		2512	sub cf::client::send_msg {
		2513	my ($self, $channel, $msg, $color, @extra) = @_;
		2514
		2515	$msg = $self->pl->expand_cfpod ($msg);
		2516
		2517	$color &= ~cf::NDI_UNIQUE; # just in case...
		2518
		2519	if (ref $channel) {
		2520	# send meta info to client, if not yet sent
		2521	unless (exists $self->{channel}{$channel->{id}}) {
		2522	$self->{channel}{$channel->{id}} = $channel;
		2523	$self->ext_msg (channel_info => $channel);
		2524	}
		2525
		2526	$channel = $channel->{id};
		2527	}
		2528
		2529	return unless @extra || length $msg;
		2530
		2531	if ($self->can_msg) {
		2532	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2533	} else {
		2534	# replace some tags by gcfclient-compatible ones
		2535	for ($msg) {
		2536	1 while
		2537	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2538	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2539	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2540	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2541	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2542	}
		2543
		2544	if ($color >= 0) {
		2545	if (0 && $msg =~ /\[/) {
		2546	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2547	} else {
		2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2549	$self->send_packet ("drawinfo $color $msg")
		2550	}
		2551	}
		2552	}
		2553	}
		2554
		2555	=item $client->ext_msg ($type, @msg)
		2556
		2557	Sends an ext event to the client.
		2558
		2559	=cut
		2560
		2561	sub cf::client::ext_msg($$@) {
		2562	my ($self, $type, @msg) = @_;
		2563
		2564	my $extcmd = $self->extcmd;
		2565
		2566	if ($extcmd == 2) {
		2567	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2568	} elsif ($extcmd == 1) { # TODO: remove
		2569	push @msg, msgtype => "event_$type";
		2570	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2571	}
		2572	}
1925		2573
1926	=item $success = $client->query ($flags, "text", \&cb)	2574	=item $success = $client->query ($flags, "text", \&cb)
1927		2575
1928	Queues a query to the client, calling the given callback with	2576	Queues a query to the client, calling the given callback with
1929	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2577	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1930	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2578	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1931		2579
1932	Queries can fail, so check the return code. Or don't, as queries will become	2580	Queries can fail, so check the return code. Or don't, as queries will
1933	reliable at some point in the future.	2581	become reliable at some point in the future.
1934		2582
1935	=cut	2583	=cut
1936		2584
1937	sub cf::client::query {	2585	sub cf::client::query {
1938	my ($self, $flags, $text, $cb) = @_;	2586	my ($self, $flags, $text, $cb) = @_;
…		…
1946	utf8::encode $text;	2594	utf8::encode $text;
1947	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2595	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1948		2596
1949	$self->send_packet ($self->{query_queue}[0][0])	2597	$self->send_packet ($self->{query_queue}[0][0])
1950	if @{ $self->{query_queue} } == 1;	2598	if @{ $self->{query_queue} } == 1;
		2599
		2600	1
1951	}	2601	}
1952		2602
1953	cf::client->attach (	2603	cf::client->attach (
		2604	on_connect => sub {
		2605	my ($ns) = @_;
		2606
		2607	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2608	},
1954	on_reply => sub {	2609	on_reply => sub {
1955	my ($ns, $msg) = @_;	2610	my ($ns, $msg) = @_;
1956		2611
1957	# this weird shuffling is so that direct followup queries	2612	# this weird shuffling is so that direct followup queries
1958	# get handled first	2613	# get handled first
1959	my $queue = delete $ns->{query_queue}	2614	my $queue = delete $ns->{query_queue}
1960	or return; # be conservative, not sure how that can happen, but we saw a crash here	2615	or return; # be conservative, not sure how that can happen, but we saw a crash here
1961		2616
1962	(shift @$queue)->[1]->($msg);	2617	(shift @$queue)->[1]->($msg);
		2618	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1963		2619
1964	push @{ $ns->{query_queue} }, @$queue;	2620	push @{ $ns->{query_queue} }, @$queue;
1965		2621
1966	if (@{ $ns->{query_queue} } == @$queue) {	2622	if (@{ $ns->{query_queue} } == @$queue) {
1967	if (@$queue) {	2623	if (@$queue) {
…		…
1969	} else {	2625	} else {
1970	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2626	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1971	}	2627	}
1972	}	2628	}
1973	},	2629	},
		2630	on_exticmd => sub {
		2631	my ($ns, $buf) = @_;
		2632
		2633	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2634
		2635	if (ref $msg) {
		2636	my ($type, $reply, @payload) =
		2637	"ARRAY" eq ref $msg
		2638	? @$msg
		2639	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2640
		2641	if (my $cb = $EXTICMD{$type}) {
		2642	my @reply = $cb->($ns, @payload);
		2643
		2644	$ns->ext_reply ($reply, @reply)
		2645	if $reply;
		2646	}
		2647	} else {
		2648	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2649	}
		2650
		2651	cf::override;
		2652	},
1974	);	2653	);
1975		2654
1976	=item $client->async (\&cb)	2655	=item $client->async (\&cb)
1977		2656
1978	Create a new coroutine, running the specified callback. The coroutine will	2657	Create a new coroutine, running the specified callback. The coroutine will
…		…
2025		2704
2026	# here we export the classes and methods available to script code	2705	# here we export the classes and methods available to script code
2027		2706
2028	=pod	2707	=pod
2029		2708
2030	The following fucntions and emthods are available within a safe environment:	2709	The following functions and methods are available within a safe environment:
2031		2710
2032	cf::object contr pay_amount pay_player map	2711	cf::object
		2712	contr pay_amount pay_player map x y force_find force_add
		2713	insert remove
		2714
2033	cf::object::player player	2715	cf::object::player
2034	cf::player peaceful	2716	player
2035	cf::map trigger	2717
		2718	cf::player
		2719	peaceful
		2720
		2721	cf::map
		2722	trigger
2036		2723
2037	=cut	2724	=cut
2038		2725
2039	for (	2726	for (
2040	["cf::object" => qw(contr pay_amount pay_player map)],	2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2728	insert remove)],
2041	["cf::object::player" => qw(player)],	2729	["cf::object::player" => qw(player)],
2042	["cf::player" => qw(peaceful)],	2730	["cf::player" => qw(peaceful)],
2043	["cf::map" => qw(trigger)],	2731	["cf::map" => qw(trigger)],
2044	) {	2732	) {
2045	no strict 'refs';	2733	no strict 'refs';
…		…
2116	=back	2804	=back
2117		2805
2118	=cut	2806	=cut
2119		2807
2120	#############################################################################	2808	#############################################################################
		2809	# the server's init and main functions
2121		2810
2122	=head2 EXTENSION DATABASE SUPPORT	2811	sub load_facedata($) {
		2812	my ($path) = @_;
2123		2813
2124	Crossfire maintains a very simple database for extension use. It can	2814	warn "loading facedata from $path\n";
2125	currently store anything that can be serialised using Storable, which
2126	excludes objects.
2127		2815
2128	The parameter C<$family> should best start with the name of the extension	2816	my $facedata;
2129	using it, it should be unique.	2817	0 < aio_load $path, $facedata
		2818	or die "$path: $!";
2130		2819
2131	=over 4	2820	$facedata = Coro::Storable::thaw $facedata;
2132		2821
2133	=item $hashref = cf::db_get $family	2822	$facedata->{version} == 2
		2823	or cf::cleanup "$path: version mismatch, cannot proceed.";
2134		2824
2135	Return a hashref for use by the extension C<$family>, which can be
2136	modified. After modifications, you have to call C<cf::db_dirty> or
2137	C<cf::db_sync>.
2138
2139	=item $value = cf::db_get $family => $key
2140
2141	Returns a single value from the database
2142
2143	=item cf::db_put $family => $hashref
2144
2145	Stores the given family hashref into the database. Updates are delayed, if
2146	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2147
2148	=item cf::db_put $family => $key => $value
2149
2150	Stores the given C<$value> in the family hash. Updates are delayed, if you
2151	want the data to be synced to disk immediately, use C<cf::db_sync>.
2152
2153	=item cf::db_dirty
2154
2155	Marks the database as dirty, to be updated at a later time.
2156
2157	=item cf::db_sync
2158
2159	Immediately write the database to disk I<if it is dirty>.
2160
2161	=cut
2162
2163	our $DB;
2164
2165	{
2166	my $path = cf::localdir . "/database.pst";
2167
2168	sub db_load() {
2169	$DB = stat $path ? Storable::retrieve $path : { };
2170	}	2825	{
		2826	my $faces = $facedata->{faceinfo};
2171		2827
2172	my $pid;	2828	while (my ($face, $info) = each %$faces) {
		2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2830	cf::face::set_visibility $idx, $info->{visibility};
		2831	cf::face::set_magicmap $idx, $info->{magicmap};
		2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2173		2834
2174	sub db_save() {	2835	cf::cede_to_tick;
2175	waitpid $pid, 0 if $pid;
2176	if (0 == ($pid = fork)) {
2177	$DB->{_meta}{version} = 1;
2178	Storable::nstore $DB, "$path~";
2179	rename "$path~", $path;
2180	cf::_exit 0 if defined $pid;
2181	}
2182	}
2183
2184	my $dirty;
2185
2186	sub db_sync() {
2187	db_save if $dirty;
2188	undef $dirty;
2189	}
2190
2191	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2192	db_sync;
2193	});
2194
2195	sub db_dirty() {
2196	$dirty = 1;
2197	$idle->start;
2198	}
2199
2200	sub db_get($;$) {
2201	@_ >= 2
2202	? $DB->{$_[0]}{$_[1]}
2203	: ($DB->{$_[0]} ||= { })
2204	}
2205
2206	sub db_put($$;$) {
2207	if (@_ >= 3) {
2208	$DB->{$_[0]}{$_[1]} = $_[2];
2209	} else {
2210	$DB->{$_[0]} = $_[1];
2211	}
2212	db_dirty;
2213	}
2214
2215	cf::global->attach (
2216	prio => 10000,
2217	on_cleanup => sub {
2218	db_sync;
2219	},	2836	}
2220	);
2221	}
2222		2837
2223	#############################################################################	2838	while (my ($face, $info) = each %$faces) {
2224	# the server's main()	2839	next unless $info->{smooth};
		2840	my $idx = cf::face::find $face
		2841	or next;
		2842	if (my $smooth = cf::face::find $info->{smooth}) {
		2843	cf::face::set_smooth $idx, $smooth;
		2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2845	} else {
		2846	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2847	}
		2848
		2849	cf::cede_to_tick;
		2850	}
		2851	}
		2852
		2853	{
		2854	my $anims = $facedata->{animinfo};
		2855
		2856	while (my ($anim, $info) = each %$anims) {
		2857	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2858	cf::cede_to_tick;
		2859	}
		2860
		2861	cf::anim::invalidate_all; # d'oh
		2862	}
		2863
		2864	{
		2865	# TODO: for gcfclient pleasure, we should give resources
		2866	# that gcfclient doesn't grok a >10000 face index.
		2867	my $res = $facedata->{resource};
		2868	my $enc = JSON::XS->new->utf8->canonical;
		2869
		2870	while (my ($name, $info) = each %$res) {
		2871	my $meta = $enc->encode ({
		2872	name => $name,
		2873	copyright => $info->{copyright}, #TODO#
		2874	});
		2875
		2876	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2877
		2878	if ($info->{type} & 1) {
		2879	# prepend meta info
		2880
		2881	my $data = pack "(w/a*)*", $meta, $info->{data};
		2882	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2883
		2884	cf::face::set_data $idx, 0, $data, $chk;
		2885	} else {
		2886	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2887	}
		2888
		2889	cf::face::set_type $idx, $info->{type};
		2890
		2891	cf::cede_to_tick;
		2892	}
		2893	}
		2894
		2895	1
		2896	}
		2897
		2898	register_exticmd fx_want => sub {
		2899	my ($ns, $want) = @_;
		2900
		2901	while (my ($k, $v) = each %$want) {
		2902	$ns->fx_want ($k, $v);
		2903	}
		2904	};
		2905
		2906	sub reload_regions {
		2907	load_resource_file "$MAPDIR/regions"
		2908	or die "unable to load regions file\n";
		2909
		2910	for (cf::region::list) {
		2911	$_->{match} = qr/$_->{match}/
		2912	if exists $_->{match};
		2913	}
		2914	}
		2915
		2916	sub reload_facedata {
		2917	load_facedata "$DATADIR/facedata"
		2918	or die "unable to load facedata\n";
		2919	}
		2920
		2921	sub reload_archetypes {
		2922	load_resource_file "$DATADIR/archetypes"
		2923	or die "unable to load archetypes\n";
		2924	#d# NEED to laod twice to resolve forward references
		2925	# this really needs to be done in an extra post-pass
		2926	# (which needs to be synchronous, so solve it differently)
		2927	load_resource_file "$DATADIR/archetypes"
		2928	or die "unable to load archetypes\n";
		2929	}
		2930
		2931	sub reload_treasures {
		2932	load_resource_file "$DATADIR/treasures"
		2933	or die "unable to load treasurelists\n";
		2934	}
		2935
		2936	sub reload_resources {
		2937	warn "reloading resource files...\n";
		2938
		2939	reload_regions;
		2940	reload_facedata;
		2941	#reload_archetypes;#d#
		2942	reload_archetypes;
		2943	reload_treasures;
		2944
		2945	warn "finished reloading resource files\n";
		2946	}
		2947
		2948	sub init {
		2949	reload_resources;
		2950	}
2225		2951
2226	sub cfg_load {	2952	sub cfg_load {
2227	open my $fh, "<:utf8", cf::confdir . "/config"	2953	open my $fh, "<:utf8", "$CONFDIR/config"
2228	or return;	2954	or return;
2229		2955
2230	local $/;	2956	local $/;
2231	*CFG = YAML::Syck::Load <$fh>;	2957	*CFG = YAML::Syck::Load <$fh>;
2232		2958
…		…
2252	Event::one_event;	2978	Event::one_event;
2253	})->prio (Coro::PRIO_MAX);	2979	})->prio (Coro::PRIO_MAX);
2254	};	2980	};
2255		2981
2256	cfg_load;	2982	cfg_load;
2257	db_load;	2983	db_init;
2258	load_extensions;	2984	load_extensions;
2259		2985
2260	$TICK_WATCHER->start;	2986	$TICK_WATCHER->start;
2261	Event::loop;	2987	Event::loop;
2262	}	2988	}
…		…
2266		2992
2267	# install some emergency cleanup handlers	2993	# install some emergency cleanup handlers
2268	BEGIN {	2994	BEGIN {
2269	for my $signal (qw(INT HUP TERM)) {	2995	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	2996	Event->signal (
		2997	reentrant => 0,
2271	data => WF_AUTOCANCEL,	2998	data => WF_AUTOCANCEL,
2272	signal => $signal,	2999	signal => $signal,
		3000	prio => 0,
2273	cb => sub {	3001	cb => sub {
2274	cf::cleanup "SIG$signal";	3002	cf::cleanup "SIG$signal";
2275	},	3003	},
2276	);	3004	);
2277	}	3005	}
		3006	}
		3007
		3008	sub write_runtime {
		3009	my $runtime = "$LOCALDIR/runtime";
		3010
		3011	# first touch the runtime file to show we are still running:
		3012	# the fsync below can take a very very long time.
		3013
		3014	IO::AIO::aio_utime $runtime, undef, undef;
		3015
		3016	my $guard = cf::lock_acquire "write_runtime";
		3017
		3018	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3019	or return;
		3020
		3021	my $value = $cf::RUNTIME + 90 + 10;
		3022	# 10 is the runtime save interval, for a monotonic clock
		3023	# 60 allows for the watchdog to kill the server.
		3024
		3025	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3026	and return;
		3027
		3028	# always fsync - this file is important
		3029	aio_fsync $fh
		3030	and return;
		3031
		3032	# touch it again to show we are up-to-date
		3033	aio_utime $fh, undef, undef;
		3034
		3035	close $fh
		3036	or return;
		3037
		3038	aio_rename "$runtime~", $runtime
		3039	and return;
		3040
		3041	warn "runtime file written.\n";
		3042
		3043	1
2278	}	3044	}
2279		3045
2280	sub emergency_save() {	3046	sub emergency_save() {
2281	my $freeze_guard = cf::freeze_mainloop;	3047	my $freeze_guard = cf::freeze_mainloop;
2282		3048
…		…
2299	my $map = $cf::MAP{$path} or next;	3065	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	3066	$map->valid or next;
2301	$map->save;	3067	$map->save;
2302	}	3068	}
2303	warn "end emergency map save\n";	3069	warn "end emergency map save\n";
		3070
		3071	warn "begin emergency database checkpoint\n";
		3072	BDB::db_env_txn_checkpoint $DB_ENV;
		3073	warn "end emergency database checkpoint\n";
2304	};	3074	};
2305		3075
2306	warn "leave emergency perl save\n";	3076	warn "leave emergency perl save\n";
2307	}	3077	}
2308		3078
		3079	sub post_cleanup {
		3080	my ($make_core) = @_;
		3081
		3082	warn Carp::longmess "post_cleanup backtrace"
		3083	if $make_core;
		3084	}
		3085
2309	sub reload() {	3086	sub do_reload_perl() {
2310	# can/must only be called in main	3087	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	3088	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine";	3089	warn "can only reload from main coroutine";
2313	return;	3090	return;
2314	}	3091	}
2315		3092
2316	warn "reloading...";	3093	warn "reloading...";
2317		3094
2318	warn "cancelling server ticker";	3095	warn "entering sync_job";
2319	$TICK_WATCHER->cancel;
2320		3096
		3097	cf::sync_job {
		3098	cf::write_runtime; # external watchdog should not bark
2321	cf::emergency_save;	3099	cf::emergency_save;
		3100	cf::write_runtime; # external watchdog should not bark
2322		3101
2323	eval {	3102	warn "syncing database to disk";
		3103	BDB::db_env_txn_checkpoint $DB_ENV;
		3104
2324	# if anything goes wrong in here, we should simply crash as we already saved	3105	# if anything goes wrong in here, we should simply crash as we already saved
2325
2326	warn "syncing database to disk";
2327	cf::db_sync;
2328		3106
2329	warn "cancelling all WF_AUTOCANCEL watchers";	3107	warn "cancelling all WF_AUTOCANCEL watchers";
2330	for (Event::all_watchers) {	3108	for (Event::all_watchers) {
2331	$_->cancel if $_->data & WF_AUTOCANCEL;	3109	$_->cancel if $_->data & WF_AUTOCANCEL;
2332	}	3110	}
2333		3111
2334	warn "flushing outstanding aio requests";	3112	warn "flushing outstanding aio requests";
2335	for (;;) {	3113	for (;;) {
		3114	BDB::flush;
2336	IO::AIO::flush;	3115	IO::AIO::flush;
2337	Coro::cede;	3116	Coro::cede;
2338	last unless IO::AIO::nreqs;	3117	last unless IO::AIO::nreqs || BDB::nreqs;
2339	warn "iterate...";	3118	warn "iterate...";
2340	}	3119	}
		3120
		3121	++$RELOAD;
2341		3122
2342	warn "cancelling all extension coros";	3123	warn "cancelling all extension coros";
2343	$_->cancel for values %EXT_CORO;	3124	$_->cancel for values %EXT_CORO;
2344	%EXT_CORO = ();	3125	%EXT_CORO = ();
2345		3126
2346	warn "removing commands";	3127	warn "removing commands";
2347	%COMMAND = ();	3128	%COMMAND = ();
2348		3129
2349	warn "removing ext commands";	3130	warn "removing ext/exti commands";
2350	%EXTCMD = ();	3131	%EXTCMD = ();
		3132	%EXTICMD = ();
2351		3133
2352	warn "unloading/nuking all extensions";	3134	warn "unloading/nuking all extensions";
2353	for my $pkg (@EXTS) {	3135	for my $pkg (@EXTS) {
2354	warn "... unloading $pkg";	3136	warn "... unloading $pkg";
2355		3137
…		…
2385	Symbol::delete_package "safe::$_"	3167	Symbol::delete_package "safe::$_"
2386	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3168	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2387		3169
2388	warn "unloading cf.pm \"a bit\"";	3170	warn "unloading cf.pm \"a bit\"";
2389	delete $INC{"cf.pm"};	3171	delete $INC{"cf.pm"};
		3172	delete $INC{"cf/pod.pm"};
2390		3173
2391	# don't, removes xs symbols, too,	3174	# don't, removes xs symbols, too,
2392	# and global variables created in xs	3175	# and global variables created in xs
2393	#Symbol::delete_package __PACKAGE__;	3176	#Symbol::delete_package __PACKAGE__;
2394		3177
…		…
2398	require cf;	3181	require cf;
2399	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3182	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2400		3183
2401	warn "loading config and database again";	3184	warn "loading config and database again";
2402	cf::cfg_load;	3185	cf::cfg_load;
2403	cf::db_load;
2404		3186
2405	warn "loading extensions";	3187	warn "loading extensions";
2406	cf::load_extensions;	3188	cf::load_extensions;
2407		3189
2408	warn "reattaching attachments to objects/players";	3190	warn "reattaching attachments to objects/players";
2409	_global_reattach;	3191	_global_reattach; # objects, sockets
2410	warn "reattaching attachments to maps";	3192	warn "reattaching attachments to maps";
2411	reattach $_ for values %MAP;	3193	reattach $_ for values %MAP;
		3194	warn "reattaching attachments to players";
		3195	reattach $_ for values %PLAYER;
2412		3196
2413	warn "restarting server ticker";	3197	warn "leaving sync_job";
2414		3198
2415	$TICK_WATCHER->start;	3199	1
2416	};	3200	} or do {
2417
2418	if ($@) {
2419	warn $@;	3201	warn $@;
2420	warn "error while reloading, exiting.";	3202	warn "error while reloading, exiting.";
2421	exit 1;	3203	exit 1;
2422	}	3204	};
2423		3205
2424	warn "reloaded";	3206	warn "reloaded";
2425	};	3207	};
2426		3208
2427	our $RELOAD_WATCHER; # used only during reload	3209	our $RELOAD_WATCHER; # used only during reload
2428		3210
		3211	sub reload_perl() {
		3212	# doing reload synchronously and two reloads happen back-to-back,
		3213	# coro crashes during coro_state_free->destroy here.
		3214
		3215	$RELOAD_WATCHER ||= Event->timer (
		3216	reentrant => 0,
		3217	after => 0,
		3218	data => WF_AUTOCANCEL,
		3219	cb => sub {
		3220	do_reload_perl;
		3221	undef $RELOAD_WATCHER;
		3222	},
		3223	);
		3224	}
		3225
2429	register_command "reload" => sub {	3226	register_command "reload" => sub {
2430	my ($who, $arg) = @_;	3227	my ($who, $arg) = @_;
2431		3228
2432	if ($who->flag (FLAG_WIZ)) {	3229	if ($who->flag (FLAG_WIZ)) {
2433	$who->message ("reloading server.");	3230	$who->message ("reloading server.");
2434		3231	async { reload_perl };
2435	# doing reload synchronously and two reloads happen back-to-back,
2436	# coro crashes during coro_state_free->destroy here.
2437
2438	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2439	reload;
2440	undef $RELOAD_WATCHER;
2441	});
2442	}	3232	}
2443	};	3233	};
2444		3234
2445	unshift @INC, $LIBDIR;	3235	unshift @INC, $LIBDIR;
2446		3236
2447	my $bug_warning = 0;	3237	my $bug_warning = 0;
2448		3238
		3239	our @WAIT_FOR_TICK;
		3240	our @WAIT_FOR_TICK_BEGIN;
		3241
		3242	sub wait_for_tick {
		3243	return unless $TICK_WATCHER->is_active;
		3244	return if $Coro::current == $Coro::main;
		3245
		3246	my $signal = new Coro::Signal;
		3247	push @WAIT_FOR_TICK, $signal;
		3248	$signal->wait;
		3249	}
		3250
		3251	sub wait_for_tick_begin {
		3252	return unless $TICK_WATCHER->is_active;
		3253	return if $Coro::current == $Coro::main;
		3254
		3255	my $signal = new Coro::Signal;
		3256	push @WAIT_FOR_TICK_BEGIN, $signal;
		3257	$signal->wait;
		3258	}
		3259
		3260	my $min = 1e6;#d#
		3261	my $avg = 10;
2449	$TICK_WATCHER = Event->timer (	3262	$TICK_WATCHER = Event->timer (
2450	reentrant => 0,	3263	reentrant => 0,
2451	parked => 1,	3264	parked => 1,
2452	prio => 0,	3265	prio => 0,
2453	at => $NEXT_TICK || $TICK,	3266	at => $NEXT_TICK || $TICK,
…		…
2457	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3270	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2458	unless ++$bug_warning > 10;	3271	unless ++$bug_warning > 10;
2459	return;	3272	return;
2460	}	3273	}
2461		3274
2462	$NOW = Event::time;	3275	$NOW = $tick_start = Event::time;
2463		3276
2464	cf::server_tick; # one server iteration	3277	cf::server_tick; # one server iteration
		3278
		3279	0 && sync_job {#d#
		3280	for(1..10) {
		3281	my $t = Event::time;
		3282	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3283	or die;
		3284
		3285	$map->width (50);
		3286	$map->height (50);
		3287	$map->alloc;
		3288	$map->_load_objects ("/tmp/x.map", 1);
		3289	my $t = Event::time - $t;
		3290
		3291	#next unless $t < 0.0013;#d#
		3292	if ($t < $min) {
		3293	$min = $t;
		3294	}
		3295	$avg = $avg * 0.99 + $t * 0.01;
		3296	}
		3297	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3298	exit 0;
		3299	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3300	};
		3301
2465	$RUNTIME += $TICK;	3302	$RUNTIME += $TICK;
2466	$NEXT_TICK += $TICK;	3303	$NEXT_TICK += $TICK;
2467		3304
2468	$WAIT_FOR_TICK->broadcast;	3305	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2469	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3306	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3307	Coro::async_pool {
		3308	write_runtime
		3309	or warn "ERROR: unable to write runtime file: $!";
		3310	};
		3311	}
		3312
		3313	# my $AFTER = Event::time;
		3314	# warn $AFTER - $NOW;#d#
		3315
		3316	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3317	$sig->send;
		3318	}
		3319	while (my $sig = shift @WAIT_FOR_TICK) {
		3320	$sig->send;
		3321	}
		3322
		3323	$NOW = Event::time;
2470		3324
2471	# if we are delayed by four ticks or more, skip them all	3325	# if we are delayed by four ticks or more, skip them all
2472	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3326	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2473		3327
2474	$TICK_WATCHER->at ($NEXT_TICK);	3328	$TICK_WATCHER->at ($NEXT_TICK);
2475	$TICK_WATCHER->start;	3329	$TICK_WATCHER->start;
		3330
		3331	$LOAD = ($NOW - $tick_start) / $TICK;
		3332	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3333
		3334	_post_tick;
		3335
		3336
2476	},	3337	},
2477	);	3338	);
2478		3339
		3340	{
		3341	BDB::max_poll_time $TICK * 0.1;
		3342	$BDB_POLL_WATCHER = Event->io (
		3343	reentrant => 0,
		3344	fd => BDB::poll_fileno,
		3345	poll => 'r',
		3346	prio => 0,
		3347	data => WF_AUTOCANCEL,
		3348	cb => \&BDB::poll_cb,
		3349	);
		3350	BDB::min_parallel 8;
		3351
		3352	BDB::set_sync_prepare {
		3353	my $status;
		3354	my $current = $Coro::current;
		3355	(
		3356	sub {
		3357	$status = $!;
		3358	$current->ready; undef $current;
		3359	},
		3360	sub {
		3361	Coro::schedule while defined $current;
		3362	$! = $status;
		3363	},
		3364	)
		3365	};
		3366
		3367	unless ($DB_ENV) {
		3368	$DB_ENV = BDB::db_env_create;
		3369
		3370	cf::sync_job {
		3371	eval {
		3372	BDB::db_env_open
		3373	$DB_ENV,
		3374	$BDBDIR,
		3375	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3376	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3377	0666;
		3378
		3379	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3380
		3381	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3382	$DB_ENV->set_lk_detect;
		3383	};
		3384
		3385	cf::cleanup "db_env_open(db): $@" if $@;
		3386	};
		3387	}
		3388	}
		3389
		3390	{
		3391	IO::AIO::min_parallel 8;
		3392
		3393	undef $Coro::AIO::WATCHER;
2479	IO::AIO::max_poll_time $TICK * 0.2;	3394	IO::AIO::max_poll_time $TICK * 0.1;
2480
2481	$AIO_POLL_WATCHER = Event->io (	3395	$AIO_POLL_WATCHER = Event->io (
2482	fd => IO::AIO::poll_fileno,	3396	reentrant => 0,
2483	poll => 'r',
2484	prio => 5,
2485	data => WF_AUTOCANCEL,
2486	cb => \&IO::AIO::poll_cb,
2487	);
2488
2489	$WRITE_RUNTIME_WATCHER = Event->timer (
2490	data => WF_AUTOCANCEL,	3397	data => WF_AUTOCANCEL,
2491	after => 1,	3398	fd => IO::AIO::poll_fileno,
2492	interval => 10,	3399	poll => 'r',
2493	prio => 6, # keep it lowest so it acts like a watchdog	3400	prio => 6,
2494	cb => Coro::unblock_sub {	3401	cb => \&IO::AIO::poll_cb,
2495	write_runtime	3402	);
2496	or warn "ERROR: unable to write runtime file: $!";	3403	}
		3404
		3405	my $_log_backtrace;
		3406
		3407	sub _log_backtrace {
		3408	my ($msg, @addr) = @_;
		3409
		3410	$msg =~ s/\n//;
		3411
		3412	# limit the # of concurrent backtraces
		3413	if ($_log_backtrace < 2) {
		3414	++$_log_backtrace;
		3415	async {
		3416	my @bt = fork_call {
		3417	@addr = map { sprintf "%x", $_ } @addr;
		3418	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3419	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3420	or die "addr2line: $!";
		3421
		3422	my @funcs;
		3423	my @res = <$fh>;
		3424	chomp for @res;
		3425	while (@res) {
		3426	my ($func, $line) = splice @res, 0, 2, ();
		3427	push @funcs, "[$func] $line";
		3428	}
		3429
		3430	@funcs
		3431	};
		3432
		3433	LOG llevInfo, "[ABT] $msg\n";
		3434	LOG llevInfo, "[ABT] $_\n" for @bt;
		3435	--$_log_backtrace;
		3436	};
		3437	} else {
		3438	LOG llevInfo, "[ABT] $msg\n";
		3439	LOG llevInfo, "[ABT] [suppressed]\n";
2497	},	3440	}
2498	);	3441	}
		3442
		3443	# load additional modules
		3444	use cf::pod;
2499		3445
2500	END { cf::emergency_save }	3446	END { cf::emergency_save }
2501		3447
2502	1	3448	1
2503		3449

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