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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.213 by root, Tue Feb 13 20:01:04 2007 UTC vs.
Revision 1.315 by root, Mon Jul 23 17:53:55 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 3.5 ();	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 ();
20	use BDB ();	26	use BDB ();
21	use Data::Dumper;	27	use Data::Dumper;
22	use Digest::MD5;	28	use Digest::MD5;
23	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
24	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	32	use Time::HiRes;
27	use Compress::LZF;	33	use Compress::LZF;
		34	use Digest::MD5 ();
28		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
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		41
31	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
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		43
35	# 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?
36	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
37		46
38	$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
39		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
40	our %COMMAND = ();	51	our %COMMAND = ();
41	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
42		53
43	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
47		59
		60	our $RELOAD; # number of reloads so far
48	our @EVENT;	61	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		62
51	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(!)
52	our $TICK_WATCHER;	76	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
54	our $WRITE_RUNTIME_WATCHER;	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	79	our $NEXT_TICK;
56	our $NOW;	80	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		82
59	our $BDB_POLL_WATCHER;	83	our $BDB_POLL_WATCHER;
…		…
65	our $RUNTIME;	89	our $RUNTIME;
66		90
67	our %PLAYER; # all users	91	our %PLAYER; # all users
68	our %MAP; # all maps	92	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		94
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $tick_start; # for load detecting purposes
		101
79	binmode STDOUT;	102	binmode STDOUT;
80	binmode STDERR;	103	binmode STDERR;
81		104
82	# read virtual server time, if available	105	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
87	}	110	}
88		111
89	mkdir cf::localdir;	112	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		114
96	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
97		116
98	sub cf::map::normalise;	117	sub cf::map::normalise;
99		118
…		…
110	=item $cf::RUNTIME	129	=item $cf::RUNTIME
111		130
112	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
113	every server tick.	132	every server tick.
114		133
115	=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
116		137
117	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		142
120	=item $cf::NOW	143	=item $cf::NOW
121		144
122	The time of the last (current) server tick.	145	The time of the last (current) server tick.
123		146
124	=item $cf::TICK	147	=item $cf::TICK
125		148
126	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.
127		160
128	=item %cf::CFG	161	=item %cf::CFG
129		162
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	164	from wherever your confdir points to.
132		165
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		167
135	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
136	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
137	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.
138	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.
139		177
140	=back	178	=back
141		179
142	=cut	180	=cut
143		181
144	BEGIN {	182	BEGIN {
145	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	184	my $msg = join "", @_;
147	utf8::encode $msg;
148		185
149	$msg .= "\n"	186	$msg .= "\n"
150	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
151		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
152	LOG llevError, $msg;	192	LOG llevError, $msg;
153	};	193	};
154	}	194	}
155		195
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		203
163	# 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
164	# within the Safe compartment.	205	# within the Safe compartment.
165	for my $pkg (qw(	206	for my $pkg (qw(
166	cf::global cf::attachable	207	cf::global cf::attachable
…		…
174	}	215	}
175		216
176	$Event::DIED = sub {	217	$Event::DIED = sub {
177	warn "error in event callback: @_";	218	warn "error in event callback: @_";
178	};	219	};
		220
		221	#############################################################################
179		222
180	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
181		224
182	=over 4	225	=over 4
183		226
…		…
202	$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;
203	$d	246	$d
204	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
205	}	248	}
206		249
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
210		251
211	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
212		253
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
221		255
222	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
223		257
224	=cut	258	=cut
225		259
226	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
228	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
230		264
231	=item cf::lock_wait $string	265	=item cf::lock_wait $string
232		266
233	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
234		268
…		…
240	returned.	274	returned.
241		275
242	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
243	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
244		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
245	=cut	283	=cut
246		284
247	our %LOCK;	285	our %LOCK;
248		286
249	sub lock_wait($) {	287	sub lock_wait($) {
…		…
268	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
270	}	308	}
271	}	309	}
272		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
273	sub freeze_mainloop {	317	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
275		319
276	my $guard = Coro::guard {	320	my $guard = Coro::guard {
277	$TICK_WATCHER->start;	321	$TICK_WATCHER->start;
278	$WRITE_RUNTIME_WATCHER->start;
279	};	322	};
280	$WRITE_RUNTIME_WATCHER->stop;
281	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
282	$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;
283	}	381	}
284		382
285	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
286		384
287	Currently the same as Coro::async_pool, meaning you cannot use	385	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		390
293	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
294		392
295	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
296		394
297	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)
298	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
299	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.
300		399
301	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
302	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
303	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
304	fast or be very important.	403	fast or be very important.
…		…
307		406
308	sub sync_job(&) {	407	sub sync_job(&) {
309	my ($job) = @_;	408	my ($job) = @_;
310		409
311	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
312	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
314		415
315	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	417	# (but this is cancel-safe)
…		…
327		428
328	while ($busy) {	429	while ($busy) {
329	Coro::cede or Event::one_event;	430	Coro::cede or Event::one_event;
330	}	431	}
331		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
332	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
333	} else {	441	} else {
334	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
335		443
336	$job->()	444	$job->()
…		…
355	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
356		464
357	$coro	465	$coro
358	}	466	}
359		467
360	sub write_runtime {	468	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		469
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	470	Executes the given code block with the given arguments in a seperate
364	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.
365		474
366	my $value = $cf::RUNTIME + 90 + 10;	475	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		476
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	477	sub _store_scalar {
371	and return;	478	open my $fh, ">", \my $buf
372		479	or die "fork_call: cannot open fh-to-buf in child : $!";
373	# always fsync - this file is important	480	Storable::store_fd $_[0], $fh;
374	aio_fsync $fh
375	and return;
376
377	close $fh	481	close $fh;
378	or return;
379		482
380	aio_rename "$runtime~", $runtime	483	$buf
381	and return;	484	}
382		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;
383	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 });
384	}	655	}
385		656
386	=back	657	=back
387		658
388	=cut	659	=cut
…		…
395	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")
396	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
397		668
398	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>
399	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
400	crossfire+).	671	Crossfire TRT).
401		672
402	=over 4	673	=over 4
403		674
404	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
405		676
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
569		840
570	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		845
575	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	847	my $pkg = shift @arg;
577		848
578	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
608	}	879	}
609		880
610	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
611	} else {	882	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	884	}
614		885
615	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
616	}	887	}
617		888
…		…
619	if (ref $_[0]) {	890	if (ref $_[0]) {
620	_object_attach @_;	891	_object_attach @_;
621	} else {	892	} else {
622	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
623	}	894	}
		895	_recalc_want;
624	};	896	};
625		897
626	# all those should be optimised	898	# all those should be optimised
627	sub cf::attachable::detach {	899	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
632	reattach ($obj);	904	reattach ($obj);
633	} else {	905	} else {
634	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
635	}	907	}
		908	_recalc_want;
636	};	909	};
637		910
638	sub cf::attachable::attached {	911	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
640		913
…		…
655	";	928	";
656	die if $@;	929	die if $@;
657	}	930	}
658		931
659	our $override;	932	our $override;
660	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?
661		934
662	sub override {	935	sub override {
663	$override = 1;	936	$override = 1;
664	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
665	}	938	}
666		939
667	sub do_invoke {	940	sub do_invoke {
668	my $event = shift;	941	my $event = shift;
669	my $callbacks = shift;	942	my $callbacks = shift;
670		943
671	@invoke_results = ();	944	@INVOKE_RESULTS = ();
672		945
673	local $override;	946	local $override;
674		947
675	for (@$callbacks) {	948	for (@$callbacks) {
676	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
693		966
694	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
695		968
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		972
700	=back	973	=back
701		974
702	=cut	975	=cut
703		976
704	#############################################################################	977	#############################################################################
705	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
706		990
707	sub reattach {	991	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	993	my ($obj) = @_;
710		994
…		…
787	}	1071	}
788	} else {	1072	} else {
789	aio_unlink $filename;	1073	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1074	aio_unlink "$filename.pst";
791	}	1075	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1076	}
799	}	1077	}
800		1078
801	sub object_freezer_as_string {	1079	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1080	my ($rdata, $objs) = @_;
…		…
808		1086
809	sub object_thawer_load {	1087	sub object_thawer_load {
810	my ($filename) = @_;	1088	my ($filename) = @_;
811		1089
812	my ($data, $av);	1090	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1091
817	(aio_load $filename, $data) >= 0	1092	(aio_load $filename, $data) >= 0
818	or return;	1093	or return;
819		1094
820	unless (aio_stat "$filename.pst") {	1095	unless (aio_stat "$filename.pst") {
…		…
822	or return;	1097	or return;
823	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
824	}	1099	}
825		1100
826	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
828	return ($data, $av);	1103	return ($data, $av);
829	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
830		1111
831	#############################################################################	1112	#############################################################################
832	# command handling &c	1113	# command handling &c
833		1114
834	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1129	}
849		1130
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1132
852	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.
853		1138
854	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
855	called.	1140	called.
856		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
857	=cut	1153	=cut
858		1154
859	sub register_extcmd {	1155	sub register_extcmd {
860	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
861		1157
862	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
863	}	1165	}
864		1166
865	cf::player->attach (	1167	cf::player->attach (
866	on_command => sub {	1168	on_command => sub {
867	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
876	cf::override;	1178	cf::override;
877	},	1179	},
878	on_extcmd => sub {	1180	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
880		1182
881	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1184
883	if (ref $msg) {	1185	if (ref $msg) {
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1186	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
885	if (my %reply = $cb->($pl, $msg)) {	1187	if (my %reply = $cb->($pl, $msg)) {
886	$pl->ext_reply ($msg->{msgid}, %reply);	1188	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
892		1194
893	cf::override;	1195	cf::override;
894	},	1196	},
895	);	1197	);
896		1198
897	sub load_extension {
898	my ($path) = @_;
899
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
901	my $base = $1;
902	my $pkg = $1;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}
925	die $@;
926	}
927
928	push @EXTS, $pkg;
929	}
930
931	sub load_extensions {	1199	sub load_extensions {
		1200	cf::sync_job {
		1201	my %todo;
		1202
932	for my $ext (<$LIBDIR/*.ext>) {	1203	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1204	next unless -r $path;
934	eval {	1205
935	load_extension $ext;	1206	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1207	my $base = $1;
		1208	my $pkg = $1;
		1209	$pkg =~ s/[^[:word:]]/_/g;
		1210	$pkg = "ext::$pkg";
		1211
		1212	open my $fh, "<:utf8", $path
		1213	or die "$path: $!";
		1214
		1215	my $source = do { local $/; <$fh> };
		1216
		1217	my %ext = (
		1218	path => $path,
		1219	base => $base,
		1220	pkg => $pkg,
		1221	);
		1222
		1223	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1224	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1225
		1226	$ext{source} =
		1227	"package $pkg; use strict; use utf8;\n"
		1228	. "#line 1 \"$path\"\n{\n"
		1229	. $source
		1230	. "\n};\n1";
		1231
		1232	$todo{$base} = \%ext;
		1233	}
		1234
		1235	my %done;
		1236	while (%todo) {
		1237	my $progress;
		1238
		1239	while (my ($k, $v) = each %todo) {
		1240	for (split /,\s*/, $v->{meta}{depends}) {
		1241	goto skip
		1242	unless exists $done{$_};
		1243	}
		1244
		1245	warn "... loading '$k' into '$v->{pkg}'\n";
		1246
		1247	unless (eval $v->{source}) {
		1248	my $msg = $@ ? "$v->{path}: $@\n"
		1249	: "$v->{base}: extension inactive.\n";
		1250
		1251	if (exists $v->{meta}{mandatory}) {
		1252	warn $msg;
		1253	warn "mandatory extension failed to load, exiting.\n";
		1254	exit 1;
		1255	}
		1256
		1257	warn $msg;
		1258	}
		1259
		1260	$done{$k} = delete $todo{$k};
		1261	push @EXTS, $v->{pkg};
		1262	$progress = 1;
936	1	1263	}
937	} or warn "$ext not loaded: $@";	1264
		1265	skip:
		1266	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1267	unless $progress;
		1268	}
938	}	1269	};
939	}	1270	}
940		1271
941	#############################################################################	1272	#############################################################################
942		1273
		1274	=back
		1275
943	=head2 CORE EXTENSIONS	1276	=head2 CORE EXTENSIONS
944		1277
945	Functions and methods that extend core crossfire objects.	1278	Functions and methods that extend core crossfire objects.
946		1279
947	=cut	1280	=cut
…		…
959	Returns the given player object, loading it if necessary (might block).	1292	Returns the given player object, loading it if necessary (might block).
960		1293
961	=cut	1294	=cut
962		1295
963	sub playerdir($) {	1296	sub playerdir($) {
964	cf::localdir	1297	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1298	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1299	}
970		1300
971	sub path($) {	1301	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1302	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1303
974	(playerdir $login) . "/$login.pl"	1304	(playerdir $login) . "/playerdata"
975	}	1305	}
976		1306
977	sub find_active($) {	1307	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1308	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1309	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1322	my $login = $_[0];
993		1323
994	my $guard = cf::lock_acquire "user_find:$login";	1324	my $guard = cf::lock_acquire "user_find:$login";
995		1325
996	$cf::PLAYER{$_[0]} || do {	1326	$cf::PLAYER{$_[0]} || do {
		1327	# rename old playerfiles to new ones
		1328	#TODO: remove when no longer required
		1329	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1330	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1331	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1332	aio_unlink +(playerdir $login) . "/$login.pl";
		1333
997	my $pl = load_pl path $login	1334	my $pl = load_pl path $login
998	or return;	1335	or return;
999	$cf::PLAYER{$login} = $pl	1336	$cf::PLAYER{$login} = $pl
1000	}	1337	}
1001	}	1338	}
…		…
1038		1375
1039	=cut	1376	=cut
1040		1377
1041	sub quit_character {	1378	sub quit_character {
1042	my ($pl) = @_;	1379	my ($pl) = @_;
		1380
		1381	my $name = $pl->ob->name;
1043		1382
1044	$pl->{deny_save} = 1;	1383	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1384	$pl->password ("*"); # this should lock out the player until we nuked the dir
1046		1385
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1386	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1052	my $path = playerdir $pl;	1391	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1392	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1393	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1394	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1395	$pl->destroy;
		1396
		1397	my $prefix = qr<^~\Q$name\E/>;
		1398
		1399	# nuke player maps
		1400	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1401
1057	IO::AIO::aio_rmtree $temp;	1402	IO::AIO::aio_rmtree $temp;
		1403	}
		1404
		1405	=item $pl->kick
		1406
		1407	Kicks a player out of the game. This destroys the connection.
		1408
		1409	=cut
		1410
		1411	sub kick {
		1412	my ($pl, $kicker) = @_;
		1413
		1414	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1415	$pl->killer ("kicked");
		1416	$pl->ns->destroy;
1058	}	1417	}
1059		1418
1060	=item cf::player::list_logins	1419	=item cf::player::list_logins
1061		1420
1062	Returns am arrayref of all valid playernames in the system, can take a	1421	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1422	while and may block, so not sync_job-capable, ever.
1064		1423
1065	=cut	1424	=cut
1066		1425
1067	sub list_logins {	1426	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1427	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1428	or return [];
1070		1429
1071	my @logins;	1430	my @logins;
1072		1431
1073	for my $login (@$dirs) {	1432	for my $login (@$dirs) {
…		…
1108	}	1467	}
1109		1468
1110	\@paths	1469	\@paths
1111	}	1470	}
1112		1471
		1472	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1473
		1474	Expand crossfire pod fragments into protocol xml.
		1475
		1476	=cut
		1477
		1478	sub expand_cfpod {
		1479	((my $self), (local $_)) = @_;
		1480
		1481	# escape & and <
		1482	s/&/&amp;/g;
		1483	s/(?<![BIUGH])</&lt;/g;
		1484
		1485	# this is buggy, it needs to properly take care of nested <'s
		1486
		1487	1 while
		1488	# replace B<>, I<>, U<> etc.
		1489	s/B<([^\>]*)>/<b>$1<\/b>/
		1490	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1491	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1492	# replace G<male|female> tags
		1493	|| s{G<([^>|]*)\|([^>]*)>}{
		1494	$self->gender ? $2 : $1
		1495	}ge
		1496	# replace H<hint text>
		1497	|| s{H<([^\>]*)>}
		1498	{
		1499	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1500	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1501	"")
		1502	[$self->{hintmode}]
		1503	}ge;
		1504
		1505	# create single paragraphs (very hackish)
		1506	s/(?<=\S)\n(?=\w)/ /g;
		1507
		1508	# compress some whitespace
		1509	s/\s+\n/\n/g; # ws line-ends
		1510	s/\n\n+/\n/g; # double lines
		1511	s/^\n+//; # beginning lines
		1512	s/\n+$//; # ending lines
		1513
		1514	$_
		1515	}
		1516
		1517	sub hintmode {
		1518	$_[0]{hintmode} = $_[1] if @_ > 1;
		1519	$_[0]{hintmode}
		1520	}
		1521
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1522	=item $player->ext_reply ($msgid, %msg)
1114		1523
1115	Sends an ext reply to the player.	1524	Sends an ext reply to the player.
1116		1525
1117	=cut	1526	=cut
1118		1527
1119	sub ext_reply($$$%) {	1528	sub ext_reply($$%) {
1120	my ($self, $id, %msg) = @_;	1529	my ($self, $id, %msg) = @_;
1121		1530
1122	$msg{msgid} = $id;	1531	$msg{msgid} = $id;
1123		1532	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1533	}
1126		1534
1127	package cf;	1535	=item $player->ext_event ($type, %msg)
		1536
		1537	Sends an ext event to the client.
		1538
		1539	=cut
		1540
		1541	sub ext_event($$%) {
		1542	my ($self, $type, %msg) = @_;
		1543
		1544	$self->ns->ext_event ($type, %msg);
		1545	}
		1546
		1547	=head3 cf::region
		1548
		1549	=over 4
		1550
		1551	=cut
		1552
		1553	package cf::region;
		1554
		1555	=item cf::region::find_by_path $path
		1556
		1557	Tries to decuce the likely region for a map knowing only its path.
		1558
		1559	=cut
		1560
		1561	sub find_by_path($) {
		1562	my ($path) = @_;
		1563
		1564	my ($match, $specificity);
		1565
		1566	for my $region (list) {
		1567	if ($region->{match} && $path =~ $region->{match}) {
		1568	($match, $specificity) = ($region, $region->specificity)
		1569	if $region->specificity > $specificity;
		1570	}
		1571	}
		1572
		1573	$match
		1574	}
1128		1575
1129	=back	1576	=back
1130
1131		1577
1132	=head3 cf::map	1578	=head3 cf::map
1133		1579
1134	=over 4	1580	=over 4
1135		1581
…		…
1190	my ($self, $merge) = @_;	1636	my ($self, $merge) = @_;
1191		1637
1192	# we have to keep some variables in memory intact	1638	# we have to keep some variables in memory intact
1193	local $self->{path};	1639	local $self->{path};
1194	local $self->{load_path};	1640	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1641
1198	$self->SUPER::thawer_merge ($merge);	1642	$self->SUPER::thawer_merge ($merge);
1199	}	1643	}
1200		1644
1201	sub normalise {	1645	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1692	$self->init; # pass $1 etc.
1249	return $self;	1693	return $self;
1250	}	1694	}
1251	}	1695	}
1252		1696
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1697	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1698	()
1255	}	1699	}
1256		1700
1257	sub init {	1701	sub init {
1258	my ($self) = @_;	1702	my ($self) = @_;
…		…
1273		1717
1274	# the original (read-only) location	1718	# the original (read-only) location
1275	sub load_path {	1719	sub load_path {
1276	my ($self) = @_;	1720	my ($self) = @_;
1277		1721
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1722	"$MAPDIR/$self->{path}.map"
1279	}	1723	}
1280		1724
1281	# the temporary/swap location	1725	# the temporary/swap location
1282	sub save_path {	1726	sub save_path {
1283	my ($self) = @_;	1727	my ($self) = @_;
1284		1728
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1729	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1730	"$TMPDIR/$path.map"
1287	}	1731	}
1288		1732
1289	# the unique path, undef == no special unique path	1733	# the unique path, undef == no special unique path
1290	sub uniq_path {	1734	sub uniq_path {
1291	my ($self) = @_;	1735	my ($self) = @_;
1292		1736
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1737	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1738	"$UNIQUEDIR/$path"
1295	}	1739	}
1296		1740
1297	# and all this just because we cannot iterate over	1741	# and all this just because we cannot iterate over
1298	# all maps in C++...	1742	# all maps in C++...
1299	sub change_all_map_light {	1743	sub change_all_map_light {
…		…
1301		1745
1302	$_->change_map_light ($change)	1746	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1747	for grep $_->outdoor, values %cf::MAP;
1304	}	1748	}
1305		1749
		1750	sub decay_objects {
		1751	my ($self) = @_;
		1752
		1753	return if $self->{deny_reset};
		1754
		1755	$self->do_decay_objects;
		1756	}
		1757
1306	sub unlink_save {	1758	sub unlink_save {
1307	my ($self) = @_;	1759	my ($self) = @_;
1308		1760
1309	utf8::encode (my $save = $self->save_path);	1761	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1762	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1763	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1764	}
1318		1765
1319	sub load_header_from($) {	1766	sub load_header_from($) {
1320	my ($self, $path) = @_;	1767	my ($self, $path) = @_;
1321		1768
…		…
1371	$self->load_header_orig	1818	$self->load_header_orig
1372	or return;	1819	or return;
1373	$self->prepare_orig;	1820	$self->prepare_orig;
1374	}	1821	}
1375		1822
		1823	$self->{deny_reset} = 1
		1824	if $self->no_reset;
		1825
		1826	$self->default_region (cf::region::find_by_path $self->{path})
		1827	unless $self->default_region;
		1828
1376	1	1829	1
1377	}	1830	}
1378		1831
1379	sub find;	1832	sub find;
1380	sub find {	1833	sub find {
…		…
1392	$map->{last_save} = $cf::RUNTIME;	1845	$map->{last_save} = $cf::RUNTIME;
1393		1846
1394	$map->load_header	1847	$map->load_header
1395	or return;	1848	or return;
1396		1849
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1850	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1851	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1852	#$cf::WAIT_FOR_TICK->wait;
1400	$map->reset;	1853	$map->reset;
1401	undef $guard;	1854	undef $guard;
1402	return find $path;	1855	return find $path;
…		…
1413	my ($self) = @_;	1866	my ($self) = @_;
1414		1867
1415	local $self->{deny_reset} = 1; # loading can take a long time	1868	local $self->{deny_reset} = 1; # loading can take a long time
1416		1869
1417	my $path = $self->{path};	1870	my $path = $self->{path};
		1871
		1872	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1873	my $guard = cf::lock_acquire "map_load:$path";
1419		1874
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1875	return if $self->in_memory != cf::MAP_SWAPPED;
1421		1876
1422	$self->in_memory (cf::MAP_LOADING);	1877	$self->in_memory (cf::MAP_LOADING);
1423		1878
1424	$self->alloc;	1879	$self->alloc;
1425		1880
1426	$self->pre_load;	1881	$self->pre_load;
1427
1428	$self->_load_objects ($self->{load_path}, 1)
1429	or return;
1430
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};
1433
1434	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {
1437	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);
1439	}
1440	}
1441
1442	Coro::cede;
1443
1444	# now do the right thing for maps
1445	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;	1882	Coro::cede;
1452	$self->set_darkness_map;	1883
		1884	$self->_load_objects ($self->{load_path}, 1)
		1885	or return;
		1886
		1887	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1888	if delete $self->{load_original};
		1889
		1890	if (my $uniq = $self->uniq_path) {
		1891	utf8::encode $uniq;
		1892	if (aio_open $uniq, O_RDONLY, 0) {
		1893	$self->clear_unique_items;
		1894	$self->_load_objects ($uniq, 0);
		1895	}
		1896	}
		1897
		1898	Coro::cede;
		1899	# now do the right thing for maps
		1900	$self->link_multipart_objects;
1453	$self->difficulty ($self->estimate_difficulty)	1901	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1902	unless $self->difficulty;
1455	Coro::cede;	1903	Coro::cede;
		1904
		1905	unless ($self->{deny_activate}) {
		1906	$self->decay_objects;
		1907	$self->fix_auto_apply;
		1908	$self->update_buttons;
		1909	Coro::cede;
		1910	$self->set_darkness_map;
		1911	Coro::cede;
1456	$self->activate;	1912	$self->activate;
		1913	}
		1914
		1915	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	1916	}
1458		1917
1459	$self->post_load;	1918	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	1919	}
1463		1920
1464	sub customise_for {	1921	sub customise_for {
1465	my ($self, $ob) = @_;	1922	my ($self, $ob) = @_;
1466		1923
1467	return find "~" . $ob->name . "/" . $self->{path}	1924	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	1925	if $self->per_player;
		1926
		1927	# return find "?party/" . $ob->name . "/" . $self->{path}
		1928	# if $self->per_party;
1469		1929
1470	$self	1930	$self
1471	}	1931	}
1472		1932
1473	# find and load all maps in the 3x3 area around a map	1933	# find and load all maps in the 3x3 area around a map
…		…
1520		1980
1521	undef $MAP_PREFETCH{$path};	1981	undef $MAP_PREFETCH{$path};
1522	$MAP_PREFETCHER ||= cf::async {	1982	$MAP_PREFETCHER ||= cf::async {
1523	while (%MAP_PREFETCH) {	1983	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	1984	for my $path (keys %MAP_PREFETCH) {
1525	my $map = find $path	1985	if (my $map = find $path) {
1526	or next;
1527	$map->load;	1986	$map->load;
		1987	}
1528		1988
1529	delete $MAP_PREFETCH{$path};	1989	delete $MAP_PREFETCH{$path};
1530	}	1990	}
1531	}	1991	}
1532	undef $MAP_PREFETCHER;	1992	undef $MAP_PREFETCHER;
…		…
1584		2044
1585	sub reset_at {	2045	sub reset_at {
1586	my ($self) = @_;	2046	my ($self) = @_;
1587		2047
1588	# TODO: safety, remove and allow resettable per-player maps	2048	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2049	return 1e99 if $self->{deny_reset};
1591		2050
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2051	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2052	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2053
…		…
1605	my ($self) = @_;	2064	my ($self) = @_;
1606		2065
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2066	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2067
1609	return if $self->players;	2068	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2069
1612	warn "resetting map ", $self->path;#d#	2070	warn "resetting map ", $self->path;
1613		2071
1614	$self->in_memory (cf::MAP_SWAPPED);	2072	$self->in_memory (cf::MAP_SWAPPED);
1615		2073
1616	# need to save uniques path	2074	# need to save uniques path
1617	unless ($self->{deny_save}) {	2075	unless ($self->{deny_save}) {
…		…
1649	$cf::MAP{$self->path} = $self;	2107	$cf::MAP{$self->path} = $self;
1650		2108
1651	$self->reset; # polite request, might not happen	2109	$self->reset; # polite request, might not happen
1652	}	2110	}
1653		2111
		2112	=item $maps = cf::map::tmp_maps
		2113
		2114	Returns an arrayref with all map paths of currently instantiated and saved
		2115	maps. May block.
		2116
		2117	=cut
		2118
		2119	sub tmp_maps() {
		2120	[
		2121	map {
		2122	utf8::decode $_;
		2123	/\.map$/
		2124	? normalise $_
		2125	: ()
		2126	} @{ aio_readdir $TMPDIR or [] }
		2127	]
		2128	}
		2129
		2130	=item $maps = cf::map::random_maps
		2131
		2132	Returns an arrayref with all map paths of currently instantiated and saved
		2133	random maps. May block.
		2134
		2135	=cut
		2136
		2137	sub random_maps() {
		2138	[
		2139	map {
		2140	utf8::decode $_;
		2141	/\.map$/
		2142	? normalise "?random/$_"
		2143	: ()
		2144	} @{ aio_readdir $RANDOMDIR or [] }
		2145	]
		2146	}
		2147
1654	=item cf::map::unique_maps	2148	=item cf::map::unique_maps
1655		2149
1656	Returns an arrayref of paths of all shared maps that have	2150	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2151	instantiated unique items. May block.
1658		2152
1659	=cut	2153	=cut
1660		2154
1661	sub unique_maps() {	2155	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2156	[
1663	or return;	2157	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2158	utf8::decode $_;
1669	next if /\.pst$/;	2159	/\.map$/
1670	next unless /^$PATH_SEP/o;	2160	? normalise $_
1671		2161	: ()
1672	push @paths, cf::map::normalise $_;	2162	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2163	]
1674
1675	\@paths
1676	}	2164	}
1677		2165
1678	package cf;	2166	package cf;
1679		2167
1680	=back	2168	=back
…		…
1726		2214
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2215	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2216
1729	if ($self->{record_replies}) {	2217	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2218	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2219
1731	} else {	2220	} else {
		2221	my $pl = $self->contr;
		2222
		2223	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2224	my $diag = $pl->{npc_dialog};
		2225	$diag->{pl}->ext_reply (
		2226	$diag->{id},
		2227	msgtype => "reply",
		2228	msg => $diag->{pl}->expand_cfpod ($msg),
		2229	add_topics => []
		2230	);
		2231
		2232	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2233	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2234	$self->message ($msg, $flags);
		2235	}
1734	}	2236	}
1735	}	2237	}
1736		2238
1737	=item $player_object->may ("access")	2239	=item $player_object->may ("access")
1738		2240
…		…
1786	$self->deactivate_recursive;	2288	$self->deactivate_recursive;
1787		2289
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2290	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2291
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2292	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2293	if $self->map && $self->map->{path} ne "{link}";
1792		2294
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2295	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2296	}
1795		2297
1796	sub cf::object::player::leave_link {	2298	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2299	my ($self, $map, $x, $y) = @_;
		2300
		2301	return unless $self->contr->active;
1798		2302
1799	my $link_pos = delete $self->{_link_pos};	2303	my $link_pos = delete $self->{_link_pos};
1800		2304
1801	unless ($map) {	2305	unless ($map) {
1802	# restore original map position	2306	# restore original map position
…		…
1820	$map->load;	2324	$map->load;
1821	$map->load_diag;	2325	$map->load_diag;
1822		2326
1823	return unless $self->contr->active;	2327	return unless $self->contr->active;
1824	$self->activate_recursive;	2328	$self->activate_recursive;
		2329
		2330	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2331	$self->enter_map ($map, $x, $y);
1826	}	2332	}
1827		2333
1828	cf::player->attach (	2334	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829	on_logout => sub {
1830	my ($pl) = @_;
1831		2335
1832	# abort map switching before logout	2336	Moves the player to the given map-path and coordinates by first freezing
1833	if ($pl->ob->{_link_pos}) {	2337	her, loading and preparing them map, calling the provided $check callback
1834	cf::sync_job {	2338	that has to return the map if sucecssful, and then unfreezes the player on
1835	$pl->ob->leave_link	2339	the new (success) or old (failed) map position. In either case, $done will
1836	};	2340	be called at the end of this process.
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2341
1842	# try to abort aborted map switching on player login :)
1843	# should happen only on crashes
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859
1860	=item $player_object->goto ($path, $x, $y)
1861
1862	=cut	2342	=cut
		2343
		2344	our $GOTOGEN;
1863		2345
1864	sub cf::object::player::goto {	2346	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2347	my ($self, $path, $x, $y, $check, $done) = @_;
		2348
		2349	# do generation counting so two concurrent goto's will be executed in-order
		2350	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2351
1867	$self->enter_link;	2352	$self->enter_link;
1868		2353
1869	(async {	2354	(async {
1870	my $map = eval {	2355	my $map = eval {
1871	my $map = cf::map::find $path;	2356	my $map = cf::map::find $path;
		2357
		2358	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2359	$map = $map->customise_for ($self);
		2360	$map = $check->($map) if $check && $map;
		2361	} else {
		2362	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2363	}
		2364
1873	$map	2365	$map
		2366	};
		2367
		2368	if ($@) {
		2369	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2370	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2371	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2372
		2373	if ($gen == $self->{_goto_generation}) {
		2374	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2375	$self->leave_link ($map, $x, $y);
		2376	}
		2377
		2378	$done->() if $done;
1878	})->prio (1);	2379	})->prio (1);
1879	}	2380	}
1880		2381
1881	=item $player_object->enter_exit ($exit_object)	2382	=item $player_object->enter_exit ($exit_object)
1882		2383
…		…
1921		2422
1922	$rmp->{random_seed} ||= $exit->random_seed;	2423	$rmp->{random_seed} ||= $exit->random_seed;
1923		2424
1924	my $data = cf::to_json $rmp;	2425	my $data = cf::to_json $rmp;
1925	my $md5 = Digest::MD5::md5_hex $data;	2426	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2427	my $meta = "$RANDOMDIR/$md5.meta";
1927		2428
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2429	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2430	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2431	undef $fh;
1931	aio_rename "$meta~", $meta;	2432	aio_rename "$meta~", $meta;
…		…
1940		2441
1941	return unless $self->type == cf::PLAYER;	2442	return unless $self->type == cf::PLAYER;
1942		2443
1943	if ($exit->slaying eq "/!") {	2444	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job	2445	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2446	# the problem is that $exit might not survive long enough
		2447	# so it needs to be done right now, right here
1945	cf::sync_job { prepare_random_map $exit };	2448	cf::sync_job { prepare_random_map $exit };
1946	}	2449	}
1947		2450
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2451	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;	2452	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;	2453	my $sp = $exit->stats->sp;
1951		2454
1952	$self->enter_link;	2455	$self->enter_link;
		2456
		2457	# if exit is damned, update players death & WoR home-position
		2458	$self->contr->savebed ($slaying, $hp, $sp)
		2459	if $exit->flag (FLAG_DAMNED);
1953		2460
1954	(async {	2461	(async {
1955	$self->deactivate_recursive; # just to be sure	2462	$self->deactivate_recursive; # just to be sure
1956	unless (eval {	2463	unless (eval {
1957	$self->goto ($slaying, $hp, $sp);	2464	$self->goto ($slaying, $hp, $sp);
1958		2465
1959	1;	2466	1;
1960	}) {	2467	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2468	$self->message ("Something went wrong deep within the crossfire server. "
1962	. "I'll try to bring you back to the map you were before. "	2469	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2470	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2471	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2472
1966	warn "ERROR in enter_exit: $@";	2473	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2474	$self->leave_link;
1968	}	2475	}
1969	})->prio (1);	2476	})->prio (1);
…		…
1982		2489
1983	sub cf::client::send_drawinfo {	2490	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2491	my ($self, $text, $flags) = @_;
1985		2492
1986	utf8::encode $text;	2493	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2494	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2495	}
1989		2496
		2497	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2498
		2499	Send a drawinfo or msg packet to the client, formatting the msg for the
		2500	client if neccessary. C<$type> should be a string identifying the type of
		2501	the message, with C<log> being the default. If C<$color> is negative, suppress
		2502	the message unless the client supports the msg packet.
		2503
		2504	=cut
		2505
		2506	sub cf::client::send_msg {
		2507	my ($self, $channel, $msg, $color, @extra) = @_;
		2508
		2509	$msg = $self->pl->expand_cfpod ($msg);
		2510
		2511	$color &= ~cf::NDI_UNIQUE; # just in case...
		2512
		2513	if (ref $channel) {
		2514	# send meta info to client, if not yet sent
		2515	unless (exists $self->{channel}{$channel->{id}}) {
		2516	$self->{channel}{$channel->{id}} = $channel;
		2517	$self->ext_event (channel_info => %$channel);
		2518	}
		2519
		2520	$channel = $channel->{id};
		2521	}
		2522
		2523	return unless @extra || length $msg;
		2524
		2525	if ($self->can_msg) {
		2526	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2527	} else {
		2528	# replace some tags by gcfclient-compatible ones
		2529	for ($msg) {
		2530	1 while
		2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2536	}
		2537
		2538	if ($color >= 0) {
		2539	if (0 && $msg =~ /\[/) {
		2540	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2541	} else {
		2542	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2543	$self->send_packet ("drawinfo $color $msg")
		2544	}
		2545	}
		2546	}
		2547	}
		2548
		2549	=item $client->ext_event ($type, %msg)
		2550
		2551	Sends an ext event to the client.
		2552
		2553	=cut
		2554
		2555	sub cf::client::ext_event($$%) {
		2556	my ($self, $type, %msg) = @_;
		2557
		2558	return unless $self->extcmd;
		2559
		2560	$msg{msgtype} = "event_$type";
		2561	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2562	}
1990		2563
1991	=item $success = $client->query ($flags, "text", \&cb)	2564	=item $success = $client->query ($flags, "text", \&cb)
1992		2565
1993	Queues a query to the client, calling the given callback with	2566	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2567	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2568	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		2569
1997	Queries can fail, so check the return code. Or don't, as queries will become	2570	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	2571	become reliable at some point in the future.
1999		2572
2000	=cut	2573	=cut
2001		2574
2002	sub cf::client::query {	2575	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	2576	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	2584	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2585	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		2586
2014	$self->send_packet ($self->{query_queue}[0][0])	2587	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	2588	if @{ $self->{query_queue} } == 1;
		2589
		2590	1
2016	}	2591	}
2017		2592
2018	cf::client->attach (	2593	cf::client->attach (
		2594	on_connect => sub {
		2595	my ($ns) = @_;
		2596
		2597	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2598	},
2019	on_reply => sub {	2599	on_reply => sub {
2020	my ($ns, $msg) = @_;	2600	my ($ns, $msg) = @_;
2021		2601
2022	# this weird shuffling is so that direct followup queries	2602	# this weird shuffling is so that direct followup queries
2023	# get handled first	2603	# get handled first
…		…
2035	} else {	2615	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2616	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	2617	}
2038	}	2618	}
2039	},	2619	},
		2620	on_exticmd => sub {
		2621	my ($ns, $buf) = @_;
		2622
		2623	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2624
		2625	if (ref $msg) {
		2626	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2627	if (my %reply = $cb->($ns, $msg)) {
		2628	$reply{msgid} = $msg->{msgid};
		2629	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2630	}
		2631	}
		2632	} else {
		2633	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2634	}
		2635
		2636	cf::override;
		2637	},
2040	);	2638	);
2041		2639
2042	=item $client->async (\&cb)	2640	=item $client->async (\&cb)
2043		2641
2044	Create a new coroutine, running the specified callback. The coroutine will	2642	Create a new coroutine, running the specified callback. The coroutine will
…		…
2091		2689
2092	# here we export the classes and methods available to script code	2690	# here we export the classes and methods available to script code
2093		2691
2094	=pod	2692	=pod
2095		2693
2096	The following fucntions and emthods are available within a safe environment:	2694	The following functions and methods are available within a safe environment:
2097		2695
2098	cf::object contr pay_amount pay_player map	2696	cf::object
		2697	contr pay_amount pay_player map x y force_find force_add
		2698	insert remove
		2699
2099	cf::object::player player	2700	cf::object::player
2100	cf::player peaceful	2701	player
2101	cf::map trigger	2702
		2703	cf::player
		2704	peaceful
		2705
		2706	cf::map
		2707	trigger
2102		2708
2103	=cut	2709	=cut
2104		2710
2105	for (	2711	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	2712	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2713	insert remove)],
2107	["cf::object::player" => qw(player)],	2714	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	2715	["cf::player" => qw(peaceful)],
2109	["cf::map" => qw(trigger)],	2716	["cf::map" => qw(trigger)],
2110	) {	2717	) {
2111	no strict 'refs';	2718	no strict 'refs';
…		…
2182	=back	2789	=back
2183		2790
2184	=cut	2791	=cut
2185		2792
2186	#############################################################################	2793	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257
2258	#############################################################################
2259	# the server's init and main functions	2794	# the server's init and main functions
2260		2795
2261	sub load_resources {	2796	sub load_facedata($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2797	my ($path) = @_;
		2798
		2799	warn "loading facedata from $path\n";
		2800
		2801	my $facedata;
		2802	0 < aio_load $path, $facedata
		2803	or die "$path: $!";
		2804
		2805	$facedata = Coro::Storable::thaw $facedata;
		2806
		2807	$facedata->{version} == 2
		2808	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2809
		2810	{
		2811	my $faces = $facedata->{faceinfo};
		2812
		2813	while (my ($face, $info) = each %$faces) {
		2814	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2815	cf::face::set_visibility $idx, $info->{visibility};
		2816	cf::face::set_magicmap $idx, $info->{magicmap};
		2817	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2818	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2819
		2820	cf::cede_to_tick;
		2821	}
		2822
		2823	while (my ($face, $info) = each %$faces) {
		2824	next unless $info->{smooth};
		2825	my $idx = cf::face::find $face
		2826	or next;
		2827	if (my $smooth = cf::face::find $info->{smooth}) {
		2828	cf::face::set_smooth $idx, $smooth;
		2829	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2830	} else {
		2831	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2832	}
		2833
		2834	cf::cede_to_tick;
		2835	}
		2836	}
		2837
		2838	{
		2839	my $anims = $facedata->{animinfo};
		2840
		2841	while (my ($anim, $info) = each %$anims) {
		2842	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2843	cf::cede_to_tick;
		2844	}
		2845
		2846	cf::anim::invalidate_all; # d'oh
		2847	}
		2848
		2849	{
		2850	# TODO: for gcfclient pleasure, we should give resources
		2851	# that gcfclient doesn't grok a >10000 face index.
		2852	my $res = $facedata->{resource};
		2853	my $enc = JSON::XS->new->utf8->canonical;
		2854
		2855	while (my ($name, $info) = each %$res) {
		2856	my $meta = $enc->encode ({
		2857	name => $name,
		2858	type => $info->{type},
		2859	copyright => $info->{copyright}, #TODO#
		2860	});
		2861
		2862	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2863
		2864	if ($name =~ /\.jpg$/) {
		2865	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2866	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2867	} else {
		2868	my $data = pack "(w/a*)*", $meta, $info->{data};
		2869	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2870
		2871	cf::face::set_type $idx, 1;
		2872	cf::face::set_data $idx, 0, $data, $chk;
		2873	}
		2874
		2875	cf::cede_to_tick;
		2876	}
		2877	}
		2878
		2879	1
		2880	}
		2881
		2882	sub reload_regions {
		2883	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	2884	or die "unable to load regions file\n";
		2885
		2886	for (cf::region::list) {
		2887	$_->{match} = qr/$_->{match}/
		2888	if exists $_->{match};
		2889	}
		2890	}
		2891
		2892	sub reload_facedata {
		2893	load_facedata "$DATADIR/facedata"
		2894	or die "unable to load facedata\n";
		2895	}
		2896
		2897	sub reload_archetypes {
		2898	load_resource_file "$DATADIR/archetypes"
		2899	or die "unable to load archetypes\n";
		2900	#d# NEED to laod twice to resolve forward references
		2901	# this really needs to be done in an extra post-pass
		2902	# (which needs to be synchronous, so solve it differently)
		2903	load_resource_file "$DATADIR/archetypes"
		2904	or die "unable to load archetypes\n";
		2905	}
		2906
		2907	sub reload_treasures {
		2908	load_resource_file "$DATADIR/treasures"
		2909	or die "unable to load treasurelists\n";
		2910	}
		2911
		2912	sub reload_resources {
		2913	warn "reloading resource files...\n";
		2914
		2915	reload_regions;
		2916	reload_facedata;
		2917	#reload_archetypes;#d#
		2918	reload_archetypes;
		2919	reload_treasures;
		2920
		2921	warn "finished reloading resource files\n";
		2922	}
		2923
		2924	sub init {
		2925	reload_resources;
2264	}	2926	}
2265		2927
2266	sub cfg_load {	2928	sub cfg_load {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	2929	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	2930	or return;
2269		2931
2270	local $/;	2932	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	2933	*CFG = YAML::Syck::Load <$fh>;
2272		2934
…		…
2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2942	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2281	and die "WARNING: m(un)lockall failed: $!\n";	2943	and die "WARNING: m(un)lockall failed: $!\n";
2282	};	2944	};
2283	warn $@ if $@;	2945	warn $@ if $@;
2284	}	2946	}
2285	}
2286
2287	sub init {
2288	load_resources;
2289	}	2947	}
2290		2948
2291	sub main {	2949	sub main {
2292	# we must not ever block the main coroutine	2950	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	2951	local $Coro::idle = sub {
…		…
2300	cfg_load;	2958	cfg_load;
2301	db_init;	2959	db_init;
2302	load_extensions;	2960	load_extensions;
2303		2961
2304	$TICK_WATCHER->start;	2962	$TICK_WATCHER->start;
2305	$WRITE_RUNTIME_WATCHER->start;
2306	Event::loop;	2963	Event::loop;
2307	}	2964	}
2308		2965
2309	#############################################################################	2966	#############################################################################
2310	# initialisation and cleanup	2967	# initialisation and cleanup
…		…
2322	},	2979	},
2323	);	2980	);
2324	}	2981	}
2325	}	2982	}
2326		2983
		2984	sub write_runtime {
		2985	my $runtime = "$LOCALDIR/runtime";
		2986
		2987	# first touch the runtime file to show we are still running:
		2988	# the fsync below can take a very very long time.
		2989
		2990	IO::AIO::aio_utime $runtime, undef, undef;
		2991
		2992	my $guard = cf::lock_acquire "write_runtime";
		2993
		2994	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2995	or return;
		2996
		2997	my $value = $cf::RUNTIME + 90 + 10;
		2998	# 10 is the runtime save interval, for a monotonic clock
		2999	# 60 allows for the watchdog to kill the server.
		3000
		3001	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3002	and return;
		3003
		3004	# always fsync - this file is important
		3005	aio_fsync $fh
		3006	and return;
		3007
		3008	# touch it again to show we are up-to-date
		3009	aio_utime $fh, undef, undef;
		3010
		3011	close $fh
		3012	or return;
		3013
		3014	aio_rename "$runtime~", $runtime
		3015	and return;
		3016
		3017	warn "runtime file written.\n";
		3018
		3019	1
		3020	}
		3021
2327	sub emergency_save() {	3022	sub emergency_save() {
2328	my $freeze_guard = cf::freeze_mainloop;	3023	my $freeze_guard = cf::freeze_mainloop;
2329		3024
2330	warn "enter emergency perl save\n";	3025	warn "enter emergency perl save\n";
2331		3026
…		…
2362		3057
2363	warn Carp::longmess "post_cleanup backtrace"	3058	warn Carp::longmess "post_cleanup backtrace"
2364	if $make_core;	3059	if $make_core;
2365	}	3060	}
2366		3061
2367	sub reload() {	3062	sub do_reload_perl() {
2368	# can/must only be called in main	3063	# can/must only be called in main
2369	if ($Coro::current != $Coro::main) {	3064	if ($Coro::current != $Coro::main) {
2370	warn "can only reload from main coroutine";	3065	warn "can only reload from main coroutine";
2371	return;	3066	return;
2372	}	3067	}
…		…
2374	warn "reloading...";	3069	warn "reloading...";
2375		3070
2376	warn "entering sync_job";	3071	warn "entering sync_job";
2377		3072
2378	cf::sync_job {	3073	cf::sync_job {
2379	cf::write_runtime;	3074	cf::write_runtime; # external watchdog should not bark
2380	cf::emergency_save;	3075	cf::emergency_save;
2381	cf::write_runtime;	3076	cf::write_runtime; # external watchdog should not bark
2382		3077
2383	warn "syncing database to disk";	3078	warn "syncing database to disk";
2384	BDB::db_env_txn_checkpoint $DB_ENV;	3079	BDB::db_env_txn_checkpoint $DB_ENV;
2385		3080
2386	# if anything goes wrong in here, we should simply crash as we already saved	3081	# if anything goes wrong in here, we should simply crash as we already saved
…		…
2397	Coro::cede;	3092	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;	3093	last unless IO::AIO::nreqs || BDB::nreqs;
2399	warn "iterate...";	3094	warn "iterate...";
2400	}	3095	}
2401		3096
		3097	++$RELOAD;
		3098
2402	warn "cancelling all extension coros";	3099	warn "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;	3100	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();	3101	%EXT_CORO = ();
2405		3102
2406	warn "removing commands";	3103	warn "removing commands";
2407	%COMMAND = ();	3104	%COMMAND = ();
2408		3105
2409	warn "removing ext commands";	3106	warn "removing ext/exti commands";
2410	%EXTCMD = ();	3107	%EXTCMD = ();
		3108	%EXTICMD = ();
2411		3109
2412	warn "unloading/nuking all extensions";	3110	warn "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {	3111	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";	3112	warn "... unloading $pkg";
2415		3113
…		…
2445	Symbol::delete_package "safe::$_"	3143	Symbol::delete_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3144	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3145
2448	warn "unloading cf.pm \"a bit\"";	3146	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3147	delete $INC{"cf.pm"};
		3148	delete $INC{"cf/pod.pm"};
2450		3149
2451	# don't, removes xs symbols, too,	3150	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3151	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3152	#Symbol::delete_package __PACKAGE__;
2454		3153
…		…
2463		3162
2464	warn "loading extensions";	3163	warn "loading extensions";
2465	cf::load_extensions;	3164	cf::load_extensions;
2466		3165
2467	warn "reattaching attachments to objects/players";	3166	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3167	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3168	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3169	reattach $_ for values %MAP;
2471		3170	warn "reattaching attachments to players";
2472	warn "loading reloadable resources";	3171	reattach $_ for values %PLAYER;
2473	load_resources;
2474		3172
2475	warn "leaving sync_job";	3173	warn "leaving sync_job";
2476		3174
2477	1	3175	1
2478	} or do {	3176	} or do {
…		…
2484	warn "reloaded";	3182	warn "reloaded";
2485	};	3183	};
2486		3184
2487	our $RELOAD_WATCHER; # used only during reload	3185	our $RELOAD_WATCHER; # used only during reload
2488		3186
		3187	sub reload_perl() {
		3188	# doing reload synchronously and two reloads happen back-to-back,
		3189	# coro crashes during coro_state_free->destroy here.
		3190
		3191	$RELOAD_WATCHER ||= Event->timer (
		3192	reentrant => 0,
		3193	after => 0,
		3194	data => WF_AUTOCANCEL,
		3195	cb => sub {
		3196	do_reload_perl;
		3197	undef $RELOAD_WATCHER;
		3198	},
		3199	);
		3200	}
		3201
2489	register_command "reload" => sub {	3202	register_command "reload" => sub {
2490	my ($who, $arg) = @_;	3203	my ($who, $arg) = @_;
2491		3204
2492	if ($who->flag (FLAG_WIZ)) {	3205	if ($who->flag (FLAG_WIZ)) {
2493	$who->message ("reloading server.");	3206	$who->message ("reloading server.");
2494		3207	async { reload_perl };
2495	# doing reload synchronously and two reloads happen back-to-back,
2496	# coro crashes during coro_state_free->destroy here.
2497
2498	$RELOAD_WATCHER ||= Event->timer (
2499	reentrant => 0,
2500	after => 0,
2501	data => WF_AUTOCANCEL,
2502	cb => sub {
2503	reload;
2504	undef $RELOAD_WATCHER;
2505	},
2506	);
2507	}	3208	}
2508	};	3209	};
2509		3210
2510	unshift @INC, $LIBDIR;	3211	unshift @INC, $LIBDIR;
2511		3212
2512	my $bug_warning = 0;	3213	my $bug_warning = 0;
2513		3214
		3215	our @WAIT_FOR_TICK;
		3216	our @WAIT_FOR_TICK_BEGIN;
		3217
		3218	sub wait_for_tick {
		3219	return unless $TICK_WATCHER->is_active;
		3220	return if $Coro::current == $Coro::main;
		3221
		3222	my $signal = new Coro::Signal;
		3223	push @WAIT_FOR_TICK, $signal;
		3224	$signal->wait;
		3225	}
		3226
		3227	sub wait_for_tick_begin {
		3228	return unless $TICK_WATCHER->is_active;
		3229	return if $Coro::current == $Coro::main;
		3230
		3231	my $signal = new Coro::Signal;
		3232	push @WAIT_FOR_TICK_BEGIN, $signal;
		3233	$signal->wait;
		3234	}
		3235
		3236	my $min = 1e6;#d#
		3237	my $avg = 10;
2514	$TICK_WATCHER = Event->timer (	3238	$TICK_WATCHER = Event->timer (
2515	reentrant => 0,	3239	reentrant => 0,
2516	parked => 1,	3240	parked => 1,
2517	prio => 0,	3241	prio => 0,
2518	at => $NEXT_TICK || $TICK,	3242	at => $NEXT_TICK || $TICK,
…		…
2522	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3246	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2523	unless ++$bug_warning > 10;	3247	unless ++$bug_warning > 10;
2524	return;	3248	return;
2525	}	3249	}
2526		3250
2527	$NOW = Event::time;	3251	$NOW = $tick_start = Event::time;
2528		3252
2529	cf::server_tick; # one server iteration	3253	cf::server_tick; # one server iteration
		3254
		3255	0 && sync_job {#d#
		3256	for(1..10) {
		3257	my $t = Event::time;
		3258	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3259	or die;
		3260
		3261	$map->width (50);
		3262	$map->height (50);
		3263	$map->alloc;
		3264	$map->_load_objects ("/tmp/x.map", 1);
		3265	my $t = Event::time - $t;
		3266
		3267	#next unless $t < 0.0013;#d#
		3268	if ($t < $min) {
		3269	$min = $t;
		3270	}
		3271	$avg = $avg * 0.99 + $t * 0.01;
		3272	}
		3273	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3274	exit 0;
		3275	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3276	};
		3277
2530	$RUNTIME += $TICK;	3278	$RUNTIME += $TICK;
2531	$NEXT_TICK += $TICK;	3279	$NEXT_TICK += $TICK;
2532		3280
2533	$WAIT_FOR_TICK->broadcast;	3281	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2534	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3282	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3283	Coro::async_pool {
		3284	write_runtime
		3285	or warn "ERROR: unable to write runtime file: $!";
		3286	};
		3287	}
2535		3288
2536	# my $AFTER = Event::time;	3289	# my $AFTER = Event::time;
2537	# warn $AFTER - $NOW;#d#	3290	# warn $AFTER - $NOW;#d#
2538		3291
		3292	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3293	$sig->send;
		3294	}
		3295	while (my $sig = shift @WAIT_FOR_TICK) {
		3296	$sig->send;
		3297	}
		3298
		3299	$NOW = Event::time;
		3300
2539	# if we are delayed by four ticks or more, skip them all	3301	# if we are delayed by four ticks or more, skip them all
2540	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3302	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2541		3303
2542	$TICK_WATCHER->at ($NEXT_TICK);	3304	$TICK_WATCHER->at ($NEXT_TICK);
2543	$TICK_WATCHER->start;	3305	$TICK_WATCHER->start;
		3306
		3307	$LOAD = ($NOW - $tick_start) / $TICK;
		3308	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3309
		3310	_post_tick;
		3311
		3312
2544	},	3313	},
2545	);	3314	);
2546		3315
2547	{	3316	{
2548	BDB::max_poll_time $TICK * 0.1;	3317	BDB::max_poll_time $TICK * 0.1;
…		…
2576		3345
2577	cf::sync_job {	3346	cf::sync_job {
2578	eval {	3347	eval {
2579	BDB::db_env_open	3348	BDB::db_env_open
2580	$DB_ENV,	3349	$DB_ENV,
2581	$BDB_ENV_DIR,	3350	$BDBDIR,
2582	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3351	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2583	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3352	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2584	0666;	3353	0666;
2585		3354
2586	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3355	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2587		3356
2588	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3357	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2589	$DB_ENV->set_lk_detect;	3358	$DB_ENV->set_lk_detect;
2590	};	3359	};
2591		3360
…		…
2599		3368
2600	undef $Coro::AIO::WATCHER;	3369	undef $Coro::AIO::WATCHER;
2601	IO::AIO::max_poll_time $TICK * 0.1;	3370	IO::AIO::max_poll_time $TICK * 0.1;
2602	$AIO_POLL_WATCHER = Event->io (	3371	$AIO_POLL_WATCHER = Event->io (
2603	reentrant => 0,	3372	reentrant => 0,
		3373	data => WF_AUTOCANCEL,
2604	fd => IO::AIO::poll_fileno,	3374	fd => IO::AIO::poll_fileno,
2605	poll => 'r',	3375	poll => 'r',
2606	prio => 6,	3376	prio => 6,
2607	data => WF_AUTOCANCEL,
2608	cb => \&IO::AIO::poll_cb,	3377	cb => \&IO::AIO::poll_cb,
2609	);	3378	);
2610	}	3379	}
2611		3380
2612	$WRITE_RUNTIME_WATCHER = Event->timer (	3381	my $_log_backtrace;
2613	reentrant => 0,
2614	data => WF_AUTOCANCEL,
2615	parked => 1,
2616	after => 1,
2617	interval => 10,
2618	prio => 6, # keep it lowest so it acts like a watchdog
2619	cb => sub {
2620	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
2621		3382
2622	Coro::async_pool {	3383	sub _log_backtrace {
2623	write_runtime	3384	my ($msg, @addr) = @_;
2624	or warn "ERROR: unable to write runtime file: $!";	3385
		3386	$msg =~ s/\n//;
		3387
		3388	# limit the # of concurrent backtraces
		3389	if ($_log_backtrace < 2) {
		3390	++$_log_backtrace;
		3391	async {
		3392	my @bt = fork_call {
		3393	@addr = map { sprintf "%x", $_ } @addr;
		3394	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3395	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3396	or die "addr2line: $!";
		3397
		3398	my @funcs;
		3399	my @res = <$fh>;
		3400	chomp for @res;
		3401	while (@res) {
		3402	my ($func, $line) = splice @res, 0, 2, ();
		3403	push @funcs, "[$func] $line";
		3404	}
		3405
		3406	@funcs
		3407	};
		3408
		3409	LOG llevInfo, "[ABT] $msg\n";
		3410	LOG llevInfo, "[ABT] $_\n" for @bt;
		3411	--$_log_backtrace;
2625	};	3412	};
		3413	} else {
		3414	LOG llevInfo, "[ABT] $msg\n";
		3415	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	3416	}
2627	);	3417	}
		3418
		3419	# load additional modules
		3420	use cf::pod;
2628		3421
2629	END { cf::emergency_save }	3422	END { cf::emergency_save }
2630		3423
2631	1	3424	1
2632		3425

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