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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC vs.
Revision 1.345 by root, Tue Aug 28 19:30:11 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 3.64 ();
		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;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
24	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	33	use Time::HiRes;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	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	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$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		44
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
37		47
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
40	our %COMMAND = ();	52	our %COMMAND = ();
41	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
42		54
43	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
47		60
		61	our $RELOAD; # number of reloads so far
48	our @EVENT;	62	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		63
51	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52	our $TICK_WATCHER;	77	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
54	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	80	our $NEXT_TICK;
56	our $NOW;	81	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		83
59	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
…		…
65	our $RUNTIME;	90	our $RUNTIME;
66		91
67	our %PLAYER; # all users	92	our %PLAYER; # all users
68	our %MAP; # all maps	93	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	94	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		95
76	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
79	binmode STDOUT;	103	binmode STDOUT;
80	binmode STDERR;	104	binmode STDERR;
81		105
82	# read virtual server time, if available	106	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
87	}	111	}
88		112
89	mkdir cf::localdir;	113	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	114	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		115
96	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
97		117
98	sub cf::map::normalise;	118	sub cf::map::normalise;
99		119
…		…
110	=item $cf::RUNTIME	130	=item $cf::RUNTIME
111		131
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	133	every server tick.
114		134
115	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		138
117	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
119		143
120	=item $cf::NOW	144	=item $cf::NOW
121		145
122	The time of the last (current) server tick.	146	The time of the last (current) server tick.
123		147
124	=item $cf::TICK	148	=item $cf::TICK
125		149
126	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
127		161
128	=item %cf::CFG	162	=item %cf::CFG
129		163
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	165	from wherever your confdir points to.
132		166
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		168
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	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	170	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	171	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.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
139		178
140	=back	179	=back
141		180
142	=cut	181	=cut
143		182
144	BEGIN {	183	BEGIN {
145	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	185	my $msg = join "", @_;
147	utf8::encode $msg;
148		186
149	$msg .= "\n"	187	$msg .= "\n"
150	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
151		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
152	LOG llevError, $msg;	193	LOG llevError, $msg;
153	};	194	};
154	}	195	}
155		196
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		204
163	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	206	# within the Safe compartment.
165	for my $pkg (qw(	207	for my $pkg (qw(
166	cf::global cf::attachable	208	cf::global cf::attachable
…		…
174	}	216	}
175		217
176	$Event::DIED = sub {	218	$Event::DIED = sub {
177	warn "error in event callback: @_";	219	warn "error in event callback: @_";
178	};	220	};
		221
		222	#############################################################################
179		223
180	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
181		225
182	=over 4	226	=over 4
183		227
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	247	$d
204	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
205	}	249	}
206		250
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
210		252
211	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
212		254
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
221		256
222	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
223		258
224	=cut	259	=cut
225		260
226	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
228	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
230		265
231	=item cf::lock_wait $string	266	=item cf::lock_wait $string
232		267
233	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
234		269
…		…
240	returned.	275	returned.
241		276
242	Lock names should begin with a unique identifier (for example, cf::map::find	277	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
244		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
245	=cut	284	=cut
246		285
247	our %LOCK;	286	our %LOCK;
248		287
249	sub lock_wait($) {	288	sub lock_wait($) {
…		…
268	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
270	}	309	}
271	}	310	}
272		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
273	sub freeze_mainloop {	318	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
275		320
276	my $guard = Coro::guard {	321	my $guard = Coro::guard {
277	$TICK_WATCHER->start;	322	$TICK_WATCHER->start;
278	$WRITE_RUNTIME_WATCHER->start;
279	};	323	};
280	$WRITE_RUNTIME_WATCHER->stop;
281	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
282	$guard	325	$guard
		326	}
		327
		328	=item cf::get_slot $time[, $priority[, $name]]
		329
		330	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		331	This call blocks and returns only when you have at least C<$time> seconds
		332	of cpu time till the next tick. The slot is only valid till the next cede.
		333
		334	The optional C<$name> can be used to identify the job to run. It might be
		335	used for statistical purposes and should identify the same time-class.
		336
		337	Useful for short background jobs.
		338
		339	=cut
		340
		341	our @SLOT_QUEUE;
		342	our $SLOT_QUEUE;
		343
		344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		345	$SLOT_QUEUE = Coro::async {
		346	my $signal = new Coro::Signal;
		347
		348	while () {
		349	next_job:
		350	my $avail = cf::till_tick;
		351	if ($avail > 0.01) {
		352	for (0 .. $#SLOT_QUEUE) {
		353	if ($SLOT_QUEUE[$_][0] < $avail) {
		354	my $job = splice @SLOT_QUEUE, $_, 1, ();
		355	$job->[2]->send;
		356	Coro::cede;
		357	goto next_job;
		358	}
		359	}
		360	}
		361
		362	if (@SLOT_QUEUE) {
		363	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		364	push @cf::WAIT_FOR_TICK, $signal;
		365	$signal->wait;
		366	} else {
		367	Coro::schedule;
		368	}
		369	}
		370	};
		371
		372	sub get_slot($;$$) {
		373	my ($time, $pri, $name) = @_;
		374
		375	$time = $TICK * .6 if $time > $TICK * .6;
		376	my $sig = new Coro::Signal;
		377
		378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		380	$SLOT_QUEUE->ready;
		381	$sig->wait;
283	}	382	}
284		383
285	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
286		385
287	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		391
293	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
294		393
295	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
296		395
297	The design of crossfire+ requires that the main coro ($Coro::main) is	396	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	397	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.	398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		399	acceptable.
300		400
301	If it must be done, put the blocking parts into C<sync_job>. This will run	401	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	402	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	403	server will be frozen during this time, so the block should either finish
304	fast or be very important.	404	fast or be very important.
…		…
307		407
308	sub sync_job(&) {	408	sub sync_job(&) {
309	my ($job) = @_;	409	my ($job) = @_;
310		410
311	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
312	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
314		416
315	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
327		429
328	while ($busy) {	430	while ($busy) {
329	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
330	}	432	}
331		433
		434	$time = Event::time - $time;
		435
		436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		438
		439	$tick_start += $time; # do not account sync jobs to server load
		440
332	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
333	} else {	442	} else {
334	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
335		444
336	$job->()	445	$job->()
…		…
355	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
356		465
357	$coro	466	$coro
358	}	467	}
359		468
360	sub write_runtime {	469	=item fork_call { }, $args
361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362		470
363	my $runtime = cf::localdir . "/runtime";	471	Executes the given code block with the given arguments in a seperate
		472	process, returning the results. Everything must be serialisable with
		473	Coro::Storable. May, of course, block. Note that the executed sub may
		474	never block itself or use any form of Event handling.
364		475
365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	476	=cut
366	or return;
367		477
368	my $value = $cf::RUNTIME + 90 + 10;	478	sub fork_call(&@) {
369	# 10 is the runtime save interval, for a monotonic clock	479	my ($cb, @args) = @_;
370	# 60 allows for the watchdog to kill the server.
371		480
372	(aio_write $fh, 0, (length $value), $value, 0) <= 0	481	# we seemingly have to make a local copy of the whole thing,
373	and return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
374		484
375	# always fsync - this file is important	485	my @res = Coro::Util::fork_eval {
376	aio_fsync $fh	486	reset_signals;
377	and return;	487	&$cb
		488	}, @args;
378		489
379	close $fh	490	wantarray ? @res : $res[-1]
380	or return;	491	}
381		492
382	aio_rename "$runtime~", $runtime	493	=item $value = cf::db_get $family => $key
383	and return;
384		494
		495	Returns a single value from the environment database.
		496
		497	=item cf::db_put $family => $key => $value
		498
		499	Stores the given C<$value> in the family. It can currently store binary
		500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		501
		502	=cut
		503
		504	our $DB;
		505
		506	sub db_init {
		507	unless ($DB) {
		508	$DB = BDB::db_create $DB_ENV;
		509
		510	cf::sync_job {
		511	eval {
		512	$DB->set_flags (BDB::CHKSUM);
		513
		514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		516	cf::cleanup "db_open(db): $!" if $!;
		517	};
		518	cf::cleanup "db_open(db): $@" if $@;
		519	};
385	1	520	}
		521	}
		522
		523	sub db_get($$) {
		524	my $key = "$_[0]/$_[1]";
		525
		526	cf::sync_job {
		527	BDB::db_get $DB, undef, $key, my $data;
		528
		529	$! ? ()
		530	: $data
		531	}
		532	}
		533
		534	sub db_put($$$) {
		535	BDB::dbreq_pri 4;
		536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		537	}
		538
		539	=item cf::cache $id => [$paths...], $processversion => $process
		540
		541	Generic caching function that returns the value of the resource $id,
		542	caching and regenerating as required.
		543
		544	This function can block.
		545
		546	=cut
		547
		548	sub cache {
		549	my ($id, $src, $processversion, $process) = @_;
		550
		551	my $meta =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	aio_stat $_
		556	and Carp::croak "$_: $!";
		557
		558	($_, (stat _)[7,9])
		559	} @$src;
		560
		561	my $dbmeta = db_get cache => "$id/meta";
		562	if ($dbmeta ne $meta) {
		563	# changed, we may need to process
		564
		565	my @data;
		566	my $md5;
		567
		568	for (0 .. $#$src) {
		569	0 <= aio_load $src->[$_], $data[$_]
		570	or Carp::croak "$src->[$_]: $!";
		571	}
		572
		573	# if processing is expensive, check
		574	# checksum first
		575	if (1) {
		576	$md5 =
		577	join "\x00",
		578	$processversion,
		579	map {
		580	Coro::cede;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
		607	}
		608
		609	=item cf::datalog type => key => value, ...
		610
		611	Log a datalog packet of the given type with the given key-value pairs.
		612
		613	=cut
		614
		615	sub datalog($@) {
		616	my ($type, %kv) = @_;
		617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
386	}	618	}
387		619
388	=back	620	=back
389		621
390	=cut	622	=cut
…		…
397	attach callbacks/event handlers (a collection of which is called an "attachment")	629	attach callbacks/event handlers (a collection of which is called an "attachment")
398	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
399		631
400	In the following description, CLASS can be any of C<global>, C<object>	632	In the following description, CLASS can be any of C<global>, C<object>
401	C<player>, C<client> or C<map> (i.e. the attachable objects in	633	C<player>, C<client> or C<map> (i.e. the attachable objects in
402	crossfire+).	634	Crossfire TRT).
403		635
404	=over 4	636	=over 4
405		637
406	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
407		639
…		…
570	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
571		803
572	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
573	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
574	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
575	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
576		808
577	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
578	my $pkg = shift @arg;	810	my $pkg = shift @arg;
579		811
580	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
609	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
610	}	842	}
611		843
612	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
613	} else {	845	} else {
614	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
615	}	847	}
616		848
617	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
618	}	850	}
619		851
…		…
621	if (ref $_[0]) {	853	if (ref $_[0]) {
622	_object_attach @_;	854	_object_attach @_;
623	} else {	855	} else {
624	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
625	}	857	}
		858	_recalc_want;
626	};	859	};
627		860
628	# all those should be optimised	861	# all those should be optimised
629	sub cf::attachable::detach {	862	sub cf::attachable::detach {
630	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
633	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
634	reattach ($obj);	867	reattach ($obj);
635	} else {	868	} else {
636	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
637	}	870	}
		871	_recalc_want;
638	};	872	};
639		873
640	sub cf::attachable::attached {	874	sub cf::attachable::attached {
641	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
642		876
…		…
657	";	891	";
658	die if $@;	892	die if $@;
659	}	893	}
660		894
661	our $override;	895	our $override;
662	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	896	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
663		897
664	sub override {	898	sub override {
665	$override = 1;	899	$override = 1;
666	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
667	}	901	}
668		902
669	sub do_invoke {	903	sub do_invoke {
670	my $event = shift;	904	my $event = shift;
671	my $callbacks = shift;	905	my $callbacks = shift;
672		906
673	@invoke_results = ();	907	@INVOKE_RESULTS = ();
674		908
675	local $override;	909	local $override;
676		910
677	for (@$callbacks) {	911	for (@$callbacks) {
678	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
695		929
696	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
697		931
698	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	932	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
699	removed in future versions), and there is no public API to access override	933	removed in future versions), and there is no public API to access override
700	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
701		935
702	=back	936	=back
703		937
704	=cut	938	=cut
705		939
706	#############################################################################	940	#############################################################################
707	# object support	941	# object support
		942	#
		943
		944	sub _can_merge {
		945	my ($ob1, $ob2) = @_;
		946
		947	local $Storable::canonical = 1;
		948	my $fob1 = Storable::freeze $ob1;
		949	my $fob2 = Storable::freeze $ob2;
		950
		951	$fob1 eq $fob2
		952	}
708		953
709	sub reattach {	954	sub reattach {
710	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
711	my ($obj) = @_;	956	my ($obj) = @_;
712		957
…		…
789	}	1034	}
790	} else {	1035	} else {
791	aio_unlink $filename;	1036	aio_unlink $filename;
792	aio_unlink "$filename.pst";	1037	aio_unlink "$filename.pst";
793	}	1038	}
794
795	#d##TODO# nuke non .map-files if exist
796	if ($filename =~ s/\.map$//) {
797	aio_unlink $filename;
798	aio_unlink "$filename.pst";
799	}
800	}	1039	}
801	}	1040	}
802		1041
803	sub object_freezer_as_string {	1042	sub object_freezer_as_string {
804	my ($rdata, $objs) = @_;	1043	my ($rdata, $objs) = @_;
…		…
810		1049
811	sub object_thawer_load {	1050	sub object_thawer_load {
812	my ($filename) = @_;	1051	my ($filename) = @_;
813		1052
814	my ($data, $av);	1053	my ($data, $av);
815
816	#d#TODO remove .map if file does not exist
817	aio_stat $filename and $filename =~ s/\.map$//;
818		1054
819	(aio_load $filename, $data) >= 0	1055	(aio_load $filename, $data) >= 0
820	or return;	1056	or return;
821		1057
822	unless (aio_stat "$filename.pst") {	1058	unless (aio_stat "$filename.pst") {
…		…
824	or return;	1060	or return;
825	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
826	}	1062	}
827		1063
828	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
829	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
830	return ($data, $av);	1066	return ($data, $av);
831	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
832		1074
833	#############################################################################	1075	#############################################################################
834	# command handling &c	1076	# command handling &c
835		1077
836	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
849	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
850	}	1092	}
851		1093
852	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
853		1095
854	Register a callbackf ro execution when the client sends an extcmd packet.	1096	Register a callback for execution when the client sends an (synchronous)
		1097	extcmd packet. Ext commands will be processed in the order they are
		1098	received by the server, like other user commands. The first argument is
		1099	the logged-in player. Ext commands can only be processed after a player
		1100	has logged in successfully.
855		1101
856	If the callback returns something, it is sent back as if reply was being	1102	If the callback returns something, it is sent back as if reply was being
857	called.	1103	called.
858		1104
		1105	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1106
		1107	Register a callback for execution when the client sends an (asynchronous)
		1108	exticmd packet. Exti commands are processed by the server as soon as they
		1109	are received, i.e. out of order w.r.t. other commands. The first argument
		1110	is a client socket. Exti commands can be received anytime, even before
		1111	log-in.
		1112
		1113	If the callback returns something, it is sent back as if reply was being
		1114	called.
		1115
859	=cut	1116	=cut
860		1117
861	sub register_extcmd {	1118	sub register_extcmd {
862	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
863		1120
864	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
865	}	1128	}
866		1129
867	cf::player->attach (	1130	cf::player->attach (
868	on_command => sub {	1131	on_command => sub {
869	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
878	cf::override;	1141	cf::override;
879	},	1142	},
880	on_extcmd => sub {	1143	on_extcmd => sub {
881	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
882		1145
883	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
884		1147
885	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
		1154	my @reply;
		1155
886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
887	if (my %reply = $cb->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
888	$pl->ext_reply ($msg->{msgid}, %reply);
889	}
890	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
891	} else {	1163	} else {
892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
893	}	1165	}
894		1166
895	cf::override;	1167	cf::override;
896	},	1168	},
897	);	1169	);
898		1170
899	sub load_extension {
900	my ($path) = @_;
901
902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
903	my $base = $1;
904	my $pkg = $1;
905	$pkg =~ s/[^[:word:]]/_/g;
906	$pkg = "ext::$pkg";
907
908	warn "... loading '$path' into '$pkg'\n";
909
910	open my $fh, "<:utf8", $path
911	or die "$path: $!";
912
913	my $source =
914	"package $pkg; use strict; use utf8;\n"
915	. "#line 1 \"$path\"\n{\n"
916	. (do { local $/; <$fh> })
917	. "\n};\n1";
918
919	unless (eval $source) {
920	my $msg = $@ ? "$path: $@\n"
921	: "extension disabled.\n";
922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
923	warn $@;
924	warn "mandatory extension failed to load, exiting.\n";
925	exit 1;
926	}
927	die $@;
928	}
929
930	push @EXTS, $pkg;
931	}
932
933	sub load_extensions {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
934	for my $ext (<$LIBDIR/*.ext>) {	1175	for my $path (<$LIBDIR/*.ext>) {
935	next unless -r $ext;	1176	next unless -r $path;
936	eval {	1177
937	load_extension $ext;	1178	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1179	my $base = $1;
		1180	my $pkg = $1;
		1181	$pkg =~ s/[^[:word:]]/_/g;
		1182	$pkg = "ext::$pkg";
		1183
		1184	open my $fh, "<:utf8", $path
		1185	or die "$path: $!";
		1186
		1187	my $source = do { local $/; <$fh> };
		1188
		1189	my %ext = (
		1190	path => $path,
		1191	base => $base,
		1192	pkg => $pkg,
		1193	);
		1194
		1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1197
		1198	$ext{source} =
		1199	"package $pkg; use strict; use utf8;\n"
		1200	. "#line 1 \"$path\"\n{\n"
		1201	. $source
		1202	. "\n};\n1";
		1203
		1204	$todo{$base} = \%ext;
		1205	}
		1206
		1207	my %done;
		1208	while (%todo) {
		1209	my $progress;
		1210
		1211	while (my ($k, $v) = each %todo) {
		1212	for (split /,\s*/, $v->{meta}{depends}) {
		1213	goto skip
		1214	unless exists $done{$_};
		1215	}
		1216
		1217	warn "... loading '$k' into '$v->{pkg}'\n";
		1218
		1219	unless (eval $v->{source}) {
		1220	my $msg = $@ ? "$v->{path}: $@\n"
		1221	: "$v->{base}: extension inactive.\n";
		1222
		1223	if (exists $v->{meta}{mandatory}) {
		1224	warn $msg;
		1225	warn "mandatory extension failed to load, exiting.\n";
		1226	exit 1;
		1227	}
		1228
		1229	warn $msg;
		1230	}
		1231
		1232	$done{$k} = delete $todo{$k};
		1233	push @EXTS, $v->{pkg};
		1234	$progress = 1;
938	1	1235	}
939	} or warn "$ext not loaded: $@";	1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
940	}	1241	};
941	}	1242	}
942		1243
943	#############################################################################	1244	#############################################################################
944		1245
		1246	=back
		1247
945	=head2 CORE EXTENSIONS	1248	=head2 CORE EXTENSIONS
946		1249
947	Functions and methods that extend core crossfire objects.	1250	Functions and methods that extend core crossfire objects.
948		1251
949	=cut	1252	=cut
…		…
961	Returns the given player object, loading it if necessary (might block).	1264	Returns the given player object, loading it if necessary (might block).
962		1265
963	=cut	1266	=cut
964		1267
965	sub playerdir($) {	1268	sub playerdir($) {
966	cf::localdir	1269	"$PLAYERDIR/"
967	. "/"
968	. cf::playerdir
969	. "/"
970	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1270	. (ref $_[0] ? $_[0]->ob->name : $_[0])
971	}	1271	}
972		1272
973	sub path($) {	1273	sub path($) {
974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1274	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975		1275
976	(playerdir $login) . "/$login.pl"	1276	(playerdir $login) . "/playerdata"
977	}	1277	}
978		1278
979	sub find_active($) {	1279	sub find_active($) {
980	$cf::PLAYER{$_[0]}	1280	$cf::PLAYER{$_[0]}
981	and $cf::PLAYER{$_[0]}->active	1281	and $cf::PLAYER{$_[0]}->active
…		…
994	my $login = $_[0];	1294	my $login = $_[0];
995		1295
996	my $guard = cf::lock_acquire "user_find:$login";	1296	my $guard = cf::lock_acquire "user_find:$login";
997		1297
998	$cf::PLAYER{$_[0]} || do {	1298	$cf::PLAYER{$_[0]} || do {
		1299	# rename old playerfiles to new ones
		1300	#TODO: remove when no longer required
		1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1304	aio_unlink +(playerdir $login) . "/$login.pl";
		1305
999	my $pl = load_pl path $login	1306	my $pl = load_pl path $login
1000	or return;	1307	or return;
1001	$cf::PLAYER{$login} = $pl	1308	$cf::PLAYER{$login} = $pl
1002	}	1309	}
1003	}	1310	}
…		…
1031	$cf::PLAYER{$login} = $self;	1338	$cf::PLAYER{$login} = $self;
1032		1339
1033	$self	1340	$self
1034	}	1341	}
1035		1342
		1343	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1344
		1345	=cut
		1346
		1347	sub send_msg {
		1348	my $ns = shift->ns
		1349	or return;
		1350	$ns->send_msg (@_);
		1351	}
		1352
1036	=item $pl->quit_character	1353	=item $pl->quit_character
1037		1354
1038	Nukes the player without looking back. If logged in, the connection will	1355	Nukes the player without looking back. If logged in, the connection will
1039	be destroyed. May block for a long time.	1356	be destroyed. May block for a long time.
1040		1357
1041	=cut	1358	=cut
1042		1359
1043	sub quit_character {	1360	sub quit_character {
1044	my ($pl) = @_;	1361	my ($pl) = @_;
		1362
		1363	my $name = $pl->ob->name;
1045		1364
1046	$pl->{deny_save} = 1;	1365	$pl->{deny_save} = 1;
1047	$pl->password ("*"); # this should lock out the player until we nuked the dir	1366	$pl->password ("*"); # this should lock out the player until we nuked the dir
1048		1367
1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1054	my $path = playerdir $pl;	1373	my $path = playerdir $pl;
1055	my $temp = "$path~$cf::RUNTIME~deleting~";	1374	my $temp = "$path~$cf::RUNTIME~deleting~";
1056	aio_rename $path, $temp;	1375	aio_rename $path, $temp;
1057	delete $cf::PLAYER{$pl->ob->name};	1376	delete $cf::PLAYER{$pl->ob->name};
1058	$pl->destroy;	1377	$pl->destroy;
		1378
		1379	my $prefix = qr<^~\Q$name\E/>;
		1380
		1381	# nuke player maps
		1382	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1383
1059	IO::AIO::aio_rmtree $temp;	1384	IO::AIO::aio_rmtree $temp;
		1385	}
		1386
		1387	=item $pl->kick
		1388
		1389	Kicks a player out of the game. This destroys the connection.
		1390
		1391	=cut
		1392
		1393	sub kick {
		1394	my ($pl, $kicker) = @_;
		1395
		1396	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1397	$pl->killer ("kicked");
		1398	$pl->ns->destroy;
1060	}	1399	}
1061		1400
1062	=item cf::player::list_logins	1401	=item cf::player::list_logins
1063		1402
1064	Returns am arrayref of all valid playernames in the system, can take a	1403	Returns am arrayref of all valid playernames in the system, can take a
1065	while and may block, so not sync_job-capable, ever.	1404	while and may block, so not sync_job-capable, ever.
1066		1405
1067	=cut	1406	=cut
1068		1407
1069	sub list_logins {	1408	sub list_logins {
1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1409	my $dirs = aio_readdir $PLAYERDIR
1071	or return [];	1410	or return [];
1072		1411
1073	my @logins;	1412	my @logins;
1074		1413
1075	for my $login (@$dirs) {	1414	for my $login (@$dirs) {
…		…
1110	}	1449	}
1111		1450
1112	\@paths	1451	\@paths
1113	}	1452	}
1114		1453
		1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1455
		1456	Expand crossfire pod fragments into protocol xml.
		1457
		1458	=cut
		1459
		1460	sub expand_cfpod {
		1461	((my $self), (local $_)) = @_;
		1462
		1463	# escape & and <
		1464	s/&/&amp;/g;
		1465	s/(?<![BIUGH])</&lt;/g;
		1466
		1467	# this is buggy, it needs to properly take care of nested <'s
		1468
		1469	1 while
		1470	# replace B<>, I<>, U<> etc.
		1471	s/B<([^\>]*)>/<b>$1<\/b>/
		1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1474	# replace G<male|female> tags
		1475	|| s{G<([^>|]*)\|([^>]*)>}{
		1476	$self->gender ? $2 : $1
		1477	}ge
		1478	# replace H<hint text>
		1479	|| s{H<([^\>]*)>}
		1480	{
		1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1483	"")
		1484	[$self->{hintmode}]
		1485	}ge;
		1486
		1487	# create single paragraphs (very hackish)
		1488	s/(?<=\S)\n(?=\w)/ /g;
		1489
		1490	# compress some whitespace
		1491	s/\s+\n/\n/g; # ws line-ends
		1492	s/\n\n+/\n/g; # double lines
		1493	s/^\n+//; # beginning lines
		1494	s/\n+$//; # ending lines
		1495
		1496	$_
		1497	}
		1498
		1499	sub hintmode {
		1500	$_[0]{hintmode} = $_[1] if @_ > 1;
		1501	$_[0]{hintmode}
		1502	}
		1503
1115	=item $player->ext_reply ($msgid, $msgtype, %msg)	1504	=item $player->ext_reply ($msgid, @msg)
1116		1505
1117	Sends an ext reply to the player.	1506	Sends an ext reply to the player.
1118		1507
1119	=cut	1508	=cut
1120		1509
1121	sub ext_reply($$$%) {	1510	sub ext_reply($$@) {
1122	my ($self, $id, %msg) = @_;	1511	my ($self, $id, @msg) = @_;
1123		1512
1124	$msg{msgid} = $id;	1513	$self->ns->ext_reply ($id, @msg)
1125
1126	$self->send ("ext " . cf::to_json \%msg);
1127	}	1514	}
1128		1515
1129	package cf;	1516	=item $player->ext_msg ($type, @msg)
		1517
		1518	Sends an ext event to the client.
		1519
		1520	=cut
		1521
		1522	sub ext_msg($$@) {
		1523	my ($self, $type, @msg) = @_;
		1524
		1525	$self->ns->ext_msg ($type, @msg);
		1526	}
		1527
		1528	=head3 cf::region
		1529
		1530	=over 4
		1531
		1532	=cut
		1533
		1534	package cf::region;
		1535
		1536	=item cf::region::find_by_path $path
		1537
		1538	Tries to decuce the likely region for a map knowing only its path.
		1539
		1540	=cut
		1541
		1542	sub find_by_path($) {
		1543	my ($path) = @_;
		1544
		1545	my ($match, $specificity);
		1546
		1547	for my $region (list) {
		1548	if ($region->{match} && $path =~ $region->{match}) {
		1549	($match, $specificity) = ($region, $region->specificity)
		1550	if $region->specificity > $specificity;
		1551	}
		1552	}
		1553
		1554	$match
		1555	}
1130		1556
1131	=back	1557	=back
1132
1133		1558
1134	=head3 cf::map	1559	=head3 cf::map
1135		1560
1136	=over 4	1561	=over 4
1137		1562
…		…
1192	my ($self, $merge) = @_;	1617	my ($self, $merge) = @_;
1193		1618
1194	# we have to keep some variables in memory intact	1619	# we have to keep some variables in memory intact
1195	local $self->{path};	1620	local $self->{path};
1196	local $self->{load_path};	1621	local $self->{load_path};
1197	local $self->{deny_save};
1198	local $self->{deny_reset};
1199		1622
1200	$self->SUPER::thawer_merge ($merge);	1623	$self->SUPER::thawer_merge ($merge);
1201	}	1624	}
1202		1625
1203	sub normalise {	1626	sub normalise {
…		…
1250	$self->init; # pass $1 etc.	1673	$self->init; # pass $1 etc.
1251	return $self;	1674	return $self;
1252	}	1675	}
1253	}	1676	}
1254		1677
1255	Carp::carp "unable to resolve path '$path' (base '$base').";	1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
1256	()	1679	()
1257	}	1680	}
1258		1681
1259	sub init {	1682	sub init {
1260	my ($self) = @_;	1683	my ($self) = @_;
…		…
1275		1698
1276	# the original (read-only) location	1699	# the original (read-only) location
1277	sub load_path {	1700	sub load_path {
1278	my ($self) = @_;	1701	my ($self) = @_;
1279		1702
1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1703	"$MAPDIR/$self->{path}.map"
1281	}	1704	}
1282		1705
1283	# the temporary/swap location	1706	# the temporary/swap location
1284	sub save_path {	1707	sub save_path {
1285	my ($self) = @_;	1708	my ($self) = @_;
1286		1709
1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1711	"$TMPDIR/$path.map"
1289	}	1712	}
1290		1713
1291	# the unique path, undef == no special unique path	1714	# the unique path, undef == no special unique path
1292	sub uniq_path {	1715	sub uniq_path {
1293	my ($self) = @_;	1716	my ($self) = @_;
1294		1717
1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1719	"$UNIQUEDIR/$path"
1297	}	1720	}
1298		1721
1299	# and all this just because we cannot iterate over	1722	# and all this just because we cannot iterate over
1300	# all maps in C++...	1723	# all maps in C++...
1301	sub change_all_map_light {	1724	sub change_all_map_light {
…		…
1303		1726
1304	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1305	for grep $_->outdoor, values %cf::MAP;	1728	for grep $_->outdoor, values %cf::MAP;
1306	}	1729	}
1307		1730
		1731	sub decay_objects {
		1732	my ($self) = @_;
		1733
		1734	return if $self->{deny_reset};
		1735
		1736	$self->do_decay_objects;
		1737	}
		1738
1308	sub unlink_save {	1739	sub unlink_save {
1309	my ($self) = @_;	1740	my ($self) = @_;
1310		1741
1311	utf8::encode (my $save = $self->save_path);	1742	utf8::encode (my $save = $self->save_path);
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1743	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1744	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315	#d#TODO remove .map and also nuke
1316	$save =~ s/\.map// or return;#d#
1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319	}	1745	}
1320		1746
1321	sub load_header_from($) {	1747	sub load_header_from($) {
1322	my ($self, $path) = @_;	1748	my ($self, $path) = @_;
1323		1749
…		…
1373	$self->load_header_orig	1799	$self->load_header_orig
1374	or return;	1800	or return;
1375	$self->prepare_orig;	1801	$self->prepare_orig;
1376	}	1802	}
1377		1803
		1804	$self->{deny_reset} = 1
		1805	if $self->no_reset;
		1806
		1807	$self->default_region (cf::region::find_by_path $self->{path})
		1808	unless $self->default_region;
		1809
1378	1	1810	1
1379	}	1811	}
1380		1812
1381	sub find;	1813	sub find;
1382	sub find {	1814	sub find {
…		…
1394	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1395		1827
1396	$map->load_header	1828	$map->load_header
1397	or return;	1829	or return;
1398		1830
1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400	# doing this can freeze the server in a sync job, obviously	1832	# doing this can freeze the server in a sync job, obviously
1401	#$cf::WAIT_FOR_TICK->wait;	1833	#$cf::WAIT_FOR_TICK->wait;
1402	$map->reset;	1834	$map->reset;
1403	undef $guard;	1835	undef $guard;
1404	return find $path;	1836	return find $path;
…		…
1415	my ($self) = @_;	1847	my ($self) = @_;
1416		1848
1417	local $self->{deny_reset} = 1; # loading can take a long time	1849	local $self->{deny_reset} = 1; # loading can take a long time
1418		1850
1419	my $path = $self->{path};	1851	my $path = $self->{path};
		1852
		1853	{
		1854	my $guard1 = cf::lock_acquire "map_data:$path";
1420	my $guard = cf::lock_acquire "map_load:$path";	1855	my $guard2 = cf::lock_acquire "map_load:$path";
1421		1856
1422	return if $self->in_memory != cf::MAP_SWAPPED;	1857	return if $self->in_memory != cf::MAP_SWAPPED;
1423		1858
1424	$self->in_memory (cf::MAP_LOADING);	1859	$self->in_memory (cf::MAP_LOADING);
1425		1860
1426	$self->alloc;	1861	$self->alloc;
1427		1862
1428	$self->pre_load;	1863	$self->pre_load;
1429
1430	$self->_load_objects ($self->{load_path}, 1)
1431	or return;
1432
1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1434	if delete $self->{load_original};
1435
1436	if (my $uniq = $self->uniq_path) {
1437	utf8::encode $uniq;
1438	if (aio_open $uniq, O_RDONLY, 0) {
1439	$self->clear_unique_items;
1440	$self->_load_objects ($uniq, 0);
1441	}
1442	}
1443
1444	Coro::cede;
1445
1446	# now do the right thing for maps
1447	$self->link_multipart_objects;
1448
1449	unless ($self->{deny_activate}) {
1450	$self->decay_objects;
1451	$self->fix_auto_apply;
1452	$self->update_buttons;
1453	Coro::cede;	1864	Coro::cede;
1454	$self->set_darkness_map;	1865
		1866	$self->_load_objects ($self->{load_path}, 1)
		1867	or return;
		1868
		1869	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1870	if delete $self->{load_original};
		1871
		1872	if (my $uniq = $self->uniq_path) {
		1873	utf8::encode $uniq;
		1874	if (aio_open $uniq, O_RDONLY, 0) {
		1875	$self->clear_unique_items;
		1876	$self->_load_objects ($uniq, 0);
		1877	}
		1878	}
		1879
		1880	Coro::cede;
		1881	# now do the right thing for maps
		1882	$self->link_multipart_objects;
1455	$self->difficulty ($self->estimate_difficulty)	1883	$self->difficulty ($self->estimate_difficulty)
1456	unless $self->difficulty;	1884	unless $self->difficulty;
1457	Coro::cede;	1885	Coro::cede;
		1886
		1887	unless ($self->{deny_activate}) {
		1888	$self->decay_objects;
		1889	$self->fix_auto_apply;
		1890	$self->update_buttons;
		1891	Coro::cede;
		1892	$self->set_darkness_map;
		1893	Coro::cede;
1458	$self->activate;	1894	$self->activate;
		1895	}
		1896
		1897	$self->{last_save} = $cf::RUNTIME;
		1898	$self->last_access ($cf::RUNTIME);
		1899
		1900	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	1901	}
1460		1902
1461	$self->post_load;	1903	$self->post_load;
1462
1463	$self->in_memory (cf::MAP_IN_MEMORY);
1464	}	1904	}
1465		1905
1466	sub customise_for {	1906	sub customise_for {
1467	my ($self, $ob) = @_;	1907	my ($self, $ob) = @_;
1468		1908
1469	return find "~" . $ob->name . "/" . $self->{path}	1909	return find "~" . $ob->name . "/" . $self->{path}
1470	if $self->per_player;	1910	if $self->per_player;
1471		1911
		1912	# return find "?party/" . $ob->name . "/" . $self->{path}
		1913	# if $self->per_party;
		1914
1472	$self	1915	$self
1473	}	1916	}
1474		1917
1475	# find and load all maps in the 3x3 area around a map	1918	# find and load all maps in the 3x3 area around a map
1476	sub load_diag {	1919	sub load_neighbours {
1477	my ($map) = @_;	1920	my ($map) = @_;
1478		1921
1479	my @diag; # diagonal neighbours	1922	my @neigh; # diagonal neighbours
1480		1923
1481	for (0 .. 3) {	1924	for (0 .. 3) {
1482	my $neigh = $map->tile_path ($_)	1925	my $neigh = $map->tile_path ($_)
1483	or next;	1926	or next;
1484	$neigh = find $neigh, $map	1927	$neigh = find $neigh, $map
1485	or next;	1928	or next;
1486	$neigh->load;	1929	$neigh->load;
1487		1930
		1931	push @neigh,
1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1932	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1933	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1490	}	1934	}
1491		1935
1492	for (@diag) {	1936	for (grep defined $_->[0], @neigh) {
		1937	my ($path, $origin) = @$_;
1493	my $neigh = find @$_	1938	my $neigh = find $path, $origin
1494	or next;	1939	or next;
1495	$neigh->load;	1940	$neigh->load;
1496	}	1941	}
1497	}	1942	}
1498		1943
…		…
1503	}	1948	}
1504		1949
1505	sub do_load_sync {	1950	sub do_load_sync {
1506	my ($map) = @_;	1951	my ($map) = @_;
1507		1952
		1953	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1954	if $Coro::current == $Coro::main;
		1955
1508	cf::sync_job { $map->load };	1956	cf::sync_job { $map->load };
1509	}	1957	}
1510		1958
1511	our %MAP_PREFETCH;	1959	our %MAP_PREFETCH;
1512	our $MAP_PREFETCHER = undef;	1960	our $MAP_PREFETCHER = undef;
1513		1961
1514	sub find_async {	1962	sub find_async {
1515	my ($path, $origin) = @_;	1963	my ($path, $origin, $load) = @_;
1516		1964
1517	$path = normalise $path, $origin && $origin->{path};	1965	$path = normalise $path, $origin && $origin->{path};
1518		1966
1519	if (my $map = $cf::MAP{$path}) {	1967	if (my $map = $cf::MAP{$path}) {
1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1968	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1521	}	1969	}
1522		1970
1523	undef $MAP_PREFETCH{$path};	1971	$MAP_PREFETCH{$path} |= $load;
		1972
1524	$MAP_PREFETCHER ||= cf::async {	1973	$MAP_PREFETCHER ||= cf::async {
1525	while (%MAP_PREFETCH) {	1974	while (%MAP_PREFETCH) {
1526	for my $path (keys %MAP_PREFETCH) {	1975	while (my ($k, $v) = each %MAP_PREFETCH) {
1527	my $map = find $path	1976	if (my $map = find $k) {
1528	or next;
1529	$map->load;	1977	$map->load if $v;
		1978	}
1530		1979
1531	delete $MAP_PREFETCH{$path};	1980	delete $MAP_PREFETCH{$k};
1532	}	1981	}
1533	}	1982	}
1534	undef $MAP_PREFETCHER;	1983	undef $MAP_PREFETCHER;
1535	};	1984	};
1536	$MAP_PREFETCHER->prio (6);	1985	$MAP_PREFETCHER->prio (6);
…		…
1539	}	1988	}
1540		1989
1541	sub save {	1990	sub save {
1542	my ($self) = @_;	1991	my ($self) = @_;
1543		1992
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1545		1994
1546	$self->{last_save} = $cf::RUNTIME;	1995	$self->{last_save} = $cf::RUNTIME;
1547		1996
1548	return unless $self->dirty;	1997	return unless $self->dirty;
1549		1998
…		…
1572	my ($self) = @_;	2021	my ($self) = @_;
1573		2022
1574	# save first because save cedes	2023	# save first because save cedes
1575	$self->save;	2024	$self->save;
1576		2025
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2026	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2027
1579	return if $self->players;	2028	return if $self->players;
1580	return if $self->in_memory != cf::MAP_IN_MEMORY;	2029	return if $self->in_memory != cf::MAP_IN_MEMORY;
1581	return if $self->{deny_save};	2030	return if $self->{deny_save};
1582		2031
…		…
1586		2035
1587	sub reset_at {	2036	sub reset_at {
1588	my ($self) = @_;	2037	my ($self) = @_;
1589		2038
1590	# TODO: safety, remove and allow resettable per-player maps	2039	# TODO: safety, remove and allow resettable per-player maps
1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1592	return 1e99 if $self->{deny_reset};	2040	return 1e99 if $self->{deny_reset};
1593		2041
1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2042	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2043	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1596		2044
…		…
1607	my ($self) = @_;	2055	my ($self) = @_;
1608		2056
1609	my $lock = cf::lock_acquire "map_data:$self->{path}";	2057	my $lock = cf::lock_acquire "map_data:$self->{path}";
1610		2058
1611	return if $self->players;	2059	return if $self->players;
1612	return if $self->isa ("ext::map_per_player");#d#
1613		2060
1614	warn "resetting map ", $self->path;#d#	2061	warn "resetting map ", $self->path;
1615		2062
1616	$self->in_memory (cf::MAP_SWAPPED);	2063	$self->in_memory (cf::MAP_SWAPPED);
1617		2064
1618	# need to save uniques path	2065	# need to save uniques path
1619	unless ($self->{deny_save}) {	2066	unless ($self->{deny_save}) {
…		…
1651	$cf::MAP{$self->path} = $self;	2098	$cf::MAP{$self->path} = $self;
1652		2099
1653	$self->reset; # polite request, might not happen	2100	$self->reset; # polite request, might not happen
1654	}	2101	}
1655		2102
		2103	=item $maps = cf::map::tmp_maps
		2104
		2105	Returns an arrayref with all map paths of currently instantiated and saved
		2106	maps. May block.
		2107
		2108	=cut
		2109
		2110	sub tmp_maps() {
		2111	[
		2112	map {
		2113	utf8::decode $_;
		2114	/\.map$/
		2115	? normalise $_
		2116	: ()
		2117	} @{ aio_readdir $TMPDIR or [] }
		2118	]
		2119	}
		2120
		2121	=item $maps = cf::map::random_maps
		2122
		2123	Returns an arrayref with all map paths of currently instantiated and saved
		2124	random maps. May block.
		2125
		2126	=cut
		2127
		2128	sub random_maps() {
		2129	[
		2130	map {
		2131	utf8::decode $_;
		2132	/\.map$/
		2133	? normalise "?random/$_"
		2134	: ()
		2135	} @{ aio_readdir $RANDOMDIR or [] }
		2136	]
		2137	}
		2138
1656	=item cf::map::unique_maps	2139	=item cf::map::unique_maps
1657		2140
1658	Returns an arrayref of paths of all shared maps that have	2141	Returns an arrayref of paths of all shared maps that have
1659	instantiated unique items. May block.	2142	instantiated unique items. May block.
1660		2143
1661	=cut	2144	=cut
1662		2145
1663	sub unique_maps() {	2146	sub unique_maps() {
1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2147	[
1665	or return;	2148	map {
1666
1667	my @paths;
1668
1669	for (@$files) {
1670	utf8::decode $_;	2149	utf8::decode $_;
1671	next if /\.pst$/;	2150	/\.map$/
1672	next unless /^$PATH_SEP/o;	2151	? normalise $_
1673		2152	: ()
1674	push @paths, cf::map::normalise $_;	2153	} @{ aio_readdir $UNIQUEDIR or [] }
1675	}	2154	]
1676
1677	\@paths
1678	}	2155	}
1679		2156
1680	package cf;	2157	package cf;
1681		2158
1682	=back	2159	=back
…		…
1728		2205
1729	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2206	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730		2207
1731	if ($self->{record_replies}) {	2208	if ($self->{record_replies}) {
1732	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2209	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2210
1733	} else {	2211	} else {
		2212	my $pl = $self->contr;
		2213
		2214	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2215	my $dialog = $pl->{npc_dialog};
		2216	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2217
		2218	} else {
1734	$msg = $npc->name . " says: $msg" if $npc;	2219	$msg = $npc->name . " says: $msg" if $npc;
1735	$self->message ($msg, $flags);	2220	$self->message ($msg, $flags);
		2221	}
1736	}	2222	}
		2223	}
		2224
		2225	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2226
		2227	=cut
		2228
		2229	sub cf::object::send_msg {
		2230	my $pl = shift->contr
		2231	or return;
		2232	$pl->send_msg (@_);
1737	}	2233	}
1738		2234
1739	=item $player_object->may ("access")	2235	=item $player_object->may ("access")
1740		2236
1741	Returns wether the given player is authorized to access resource "access"	2237	Returns wether the given player is authorized to access resource "access"
…		…
1788	$self->deactivate_recursive;	2284	$self->deactivate_recursive;
1789		2285
1790	return if UNIVERSAL::isa $self->map, "ext::map_link";	2286	return if UNIVERSAL::isa $self->map, "ext::map_link";
1791		2287
1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2288	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793	if $self->map;	2289	if $self->map && $self->map->{path} ne "{link}";
1794		2290
1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2291	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1796	}	2292	}
1797		2293
1798	sub cf::object::player::leave_link {	2294	sub cf::object::player::leave_link {
1799	my ($self, $map, $x, $y) = @_;	2295	my ($self, $map, $x, $y) = @_;
		2296
		2297	return unless $self->contr->active;
1800		2298
1801	my $link_pos = delete $self->{_link_pos};	2299	my $link_pos = delete $self->{_link_pos};
1802		2300
1803	unless ($map) {	2301	unless ($map) {
1804	# restore original map position	2302	# restore original map position
…		…
1818	# use -1 or undef as default coordinates, not 0, 0	2316	# use -1 or undef as default coordinates, not 0, 0
1819	($x, $y) = ($map->enter_x, $map->enter_y)	2317	($x, $y) = ($map->enter_x, $map->enter_y)
1820	if $x <=0 && $y <= 0;	2318	if $x <=0 && $y <= 0;
1821		2319
1822	$map->load;	2320	$map->load;
1823	$map->load_diag;	2321	$map->load_neighbours;
1824		2322
1825	return unless $self->contr->active;	2323	return unless $self->contr->active;
1826	$self->activate_recursive;	2324	$self->activate_recursive;
		2325
		2326	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2327	$self->enter_map ($map, $x, $y);
1828	}	2328	}
1829		2329
1830	cf::player->attach (	2330	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2331
1834	# abort map switching before logout	2332	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2333	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2334	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2335	the new (success) or old (failed) map position. In either case, $done will
1838	};	2336	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2337
1844	# try to abort aborted map switching on player login :)
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	# we need this sleep as the login has a concurrent enter_exit running
1850	# and this sleep increases chances of the player not ending up in scorn
1851	$pl->ob->reply (undef,
1852	"There was an internal problem at your last logout, "
1853	. "the server will try to bring you to your intended destination in a second.",
1854	cf::NDI_RED);
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2338	=cut
		2339
		2340	our $GOTOGEN;
1865		2341
1866	sub cf::object::player::goto {	2342	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2343	my ($self, $path, $x, $y, $check, $done) = @_;
		2344
		2345	# do generation counting so two concurrent goto's will be executed in-order
		2346	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2347
1869	$self->enter_link;	2348	$self->enter_link;
1870		2349
1871	(async {	2350	(async {
1872	my $map = eval {	2351	my $map = eval {
1873	my $map = cf::map::find $path;	2352	my $map = cf::map::find $path;
		2353
		2354	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2355	$map = $map->customise_for ($self);
		2356	$map = $check->($map) if $check && $map;
		2357	} else {
		2358	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2359	}
		2360
1875	$map	2361	$map
		2362	};
		2363
		2364	if ($@) {
		2365	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2366	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2367	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2368
		2369	if ($gen == $self->{_goto_generation}) {
		2370	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2371	$self->leave_link ($map, $x, $y);
		2372	}
		2373
		2374	$done->() if $done;
1880	})->prio (1);	2375	})->prio (1);
1881	}	2376	}
1882		2377
1883	=item $player_object->enter_exit ($exit_object)	2378	=item $player_object->enter_exit ($exit_object)
1884		2379
…		…
1923		2418
1924	$rmp->{random_seed} ||= $exit->random_seed;	2419	$rmp->{random_seed} ||= $exit->random_seed;
1925		2420
1926	my $data = cf::to_json $rmp;	2421	my $data = cf::to_json $rmp;
1927	my $md5 = Digest::MD5::md5_hex $data;	2422	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2423	my $meta = "$RANDOMDIR/$md5.meta";
1929		2424
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2425	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2426	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2427	undef $fh;
1933	aio_rename "$meta~", $meta;	2428	aio_rename "$meta~", $meta;
…		…
1942		2437
1943	return unless $self->type == cf::PLAYER;	2438	return unless $self->type == cf::PLAYER;
1944		2439
1945	if ($exit->slaying eq "/!") {	2440	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job	2441	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2442	# the problem is that $exit might not survive long enough
		2443	# so it needs to be done right now, right here
1947	cf::sync_job { prepare_random_map $exit };	2444	cf::sync_job { prepare_random_map $exit };
1948	}	2445	}
1949		2446
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2447	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;	2448	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;	2449	my $sp = $exit->stats->sp;
1953		2450
1954	$self->enter_link;	2451	$self->enter_link;
		2452
		2453	# if exit is damned, update players death & WoR home-position
		2454	$self->contr->savebed ($slaying, $hp, $sp)
		2455	if $exit->flag (FLAG_DAMNED);
1955		2456
1956	(async {	2457	(async {
1957	$self->deactivate_recursive; # just to be sure	2458	$self->deactivate_recursive; # just to be sure
1958	unless (eval {	2459	unless (eval {
1959	$self->goto ($slaying, $hp, $sp);	2460	$self->goto ($slaying, $hp, $sp);
1960		2461
1961	1;	2462	1;
1962	}) {	2463	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2464	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "I'll try to bring you back to the map you were before. "	2465	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2466	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2467	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2468
1968	warn "ERROR in enter_exit: $@";	2469	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2470	$self->leave_link;
1970	}	2471	}
1971	})->prio (1);	2472	})->prio (1);
…		…
1984		2485
1985	sub cf::client::send_drawinfo {	2486	sub cf::client::send_drawinfo {
1986	my ($self, $text, $flags) = @_;	2487	my ($self, $text, $flags) = @_;
1987		2488
1988	utf8::encode $text;	2489	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2490	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2491	}
1991		2492
		2493	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2494
		2495	Send a drawinfo or msg packet to the client, formatting the msg for the
		2496	client if neccessary. C<$type> should be a string identifying the type of
		2497	the message, with C<log> being the default. If C<$color> is negative, suppress
		2498	the message unless the client supports the msg packet.
		2499
		2500	=cut
		2501
		2502	sub cf::client::send_msg {
		2503	my ($self, $channel, $msg, $color, @extra) = @_;
		2504
		2505	$msg = $self->pl->expand_cfpod ($msg);
		2506
		2507	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2508
		2509	if (ref $channel) {
		2510	# send meta info to client, if not yet sent
		2511	unless (exists $self->{channel}{$channel->{id}}) {
		2512	$self->{channel}{$channel->{id}} = $channel;
		2513	$self->ext_msg (channel_info => $channel);
		2514	}
		2515
		2516	$channel = $channel->{id};
		2517	}
		2518
		2519	return unless @extra || length $msg;
		2520
		2521	if ($self->can_msg) {
		2522	# default colour, mask it out
		2523	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2524	if $color & cf::NDI_DEF;
		2525
		2526	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2527	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2528	} else {
		2529	if ($color >= 0) {
		2530	# replace some tags by gcfclient-compatible ones
		2531	for ($msg) {
		2532	1 while
		2533	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2534	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2535	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2536	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2537	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2538	}
		2539
		2540	$color &= cf::NDI_COLOR_MASK;
		2541
		2542	utf8::encode $msg;
		2543
		2544	if (0 && $msg =~ /\[/) {
		2545	# COMMAND/INFO
		2546	$self->send_packet ("drawextinfo $color 10 8 $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($$@) {
		2562	my ($self, $type, @msg) = @_;
		2563
		2564	if ($self->extcmd == 2) {
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2566	} elsif ($self->extcmd == 1) { # TODO: remove
		2567	push @msg, msgtype => "event_$type";
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2569	}
		2570	}
		2571
		2572	=item $client->ext_reply ($msgid, @msg)
		2573
		2574	Sends an ext reply to the client.
		2575
		2576	=cut
		2577
		2578	sub cf::client::ext_reply($$@) {
		2579	my ($self, $id, @msg) = @_;
		2580
		2581	if ($self->extcmd == 2) {
		2582	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2583	} elsif ($self->extcmd == 1) {
		2584	#TODO: version 1, remove
		2585	unshift @msg, msgtype => "reply", msgid => $id;
		2586	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2587	}
		2588	}
1992		2589
1993	=item $success = $client->query ($flags, "text", \&cb)	2590	=item $success = $client->query ($flags, "text", \&cb)
1994		2591
1995	Queues a query to the client, calling the given callback with	2592	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2593	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2594	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2595
1999	Queries can fail, so check the return code. Or don't, as queries will become	2596	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2597	become reliable at some point in the future.
2001		2598
2002	=cut	2599	=cut
2003		2600
2004	sub cf::client::query {	2601	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2602	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2610	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2611	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2612
2016	$self->send_packet ($self->{query_queue}[0][0])	2613	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2614	if @{ $self->{query_queue} } == 1;
		2615
		2616	1
2018	}	2617	}
2019		2618
2020	cf::client->attach (	2619	cf::client->attach (
		2620	on_connect => sub {
		2621	my ($ns) = @_;
		2622
		2623	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2624	},
2021	on_reply => sub {	2625	on_reply => sub {
2022	my ($ns, $msg) = @_;	2626	my ($ns, $msg) = @_;
2023		2627
2024	# this weird shuffling is so that direct followup queries	2628	# this weird shuffling is so that direct followup queries
2025	# get handled first	2629	# get handled first
…		…
2037	} else {	2641	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2642	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2643	}
2040	}	2644	}
2041	},	2645	},
		2646	on_exticmd => sub {
		2647	my ($ns, $buf) = @_;
		2648
		2649	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2650
		2651	if (ref $msg) {
		2652	my ($type, $reply, @payload) =
		2653	"ARRAY" eq ref $msg
		2654	? @$msg
		2655	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2656
		2657	my @reply;
		2658
		2659	if (my $cb = $EXTICMD{$type}) {
		2660	@reply = $cb->($ns, @payload);
		2661	}
		2662
		2663	$ns->ext_reply ($reply, @reply)
		2664	if $reply;
		2665
		2666	} else {
		2667	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2668	}
		2669
		2670	cf::override;
		2671	},
2042	);	2672	);
2043		2673
2044	=item $client->async (\&cb)	2674	=item $client->async (\&cb)
2045		2675
2046	Create a new coroutine, running the specified callback. The coroutine will	2676	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	2717	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	2718	our $safe_hole = new Safe::Hole;
2089		2719
2090	$SIG{FPE} = 'IGNORE';	2720	$SIG{FPE} = 'IGNORE';
2091		2721
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2722	$safe->permit_only (Opcode::opset qw(
		2723	:base_core :base_mem :base_orig :base_math
		2724	grepstart grepwhile mapstart mapwhile
		2725	sort time
		2726	));
2093		2727
2094	# here we export the classes and methods available to script code	2728	# here we export the classes and methods available to script code
2095		2729
2096	=pod	2730	=pod
2097		2731
2098	The following fucntions and emthods are available within a safe environment:	2732	The following functions and methods are available within a safe environment:
2099		2733
2100	cf::object contr pay_amount pay_player map	2734	cf::object
		2735	contr pay_amount pay_player map x y force_find force_add
		2736	insert remove name archname title slaying race decrease_ob_nr
		2737
2101	cf::object::player player	2738	cf::object::player
2102	cf::player peaceful	2739	player
2103	cf::map trigger	2740
		2741	cf::player
		2742	peaceful
		2743
		2744	cf::map
		2745	trigger
2104		2746
2105	=cut	2747	=cut
2106		2748
2107	for (	2749	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	2750	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2751	insert remove inv name archname title slaying race
		2752	decrease_ob_nr)],
2109	["cf::object::player" => qw(player)],	2753	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	2754	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	2755	["cf::map" => qw(trigger)],
2112	) {	2756	) {
2113	no strict 'refs';	2757	no strict 'refs';
…		…
2184	=back	2828	=back
2185		2829
2186	=cut	2830	=cut
2187		2831
2188	#############################################################################	2832	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	2833	# the server's init and main functions
2262		2834
2263	sub load_resources {	2835	sub load_facedata($) {
2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2836	my ($path) = @_;
		2837
		2838	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2839
		2840	warn "loading facedata from $path\n";
		2841
		2842	my $facedata;
		2843	0 < aio_load $path, $facedata
		2844	or die "$path: $!";
		2845
		2846	$facedata = Coro::Storable::thaw $facedata;
		2847
		2848	$facedata->{version} == 2
		2849	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2850
		2851	# patch in the exptable
		2852	$facedata->{resource}{"res/exp_table"} = {
		2853	type => FT_RSRC,
		2854	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2855	};
		2856	cf::cede_to_tick;
		2857
		2858	{
		2859	my $faces = $facedata->{faceinfo};
		2860
		2861	while (my ($face, $info) = each %$faces) {
		2862	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2863	cf::face::set_visibility $idx, $info->{visibility};
		2864	cf::face::set_magicmap $idx, $info->{magicmap};
		2865	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2866	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		2867
		2868	cf::cede_to_tick;
		2869	}
		2870
		2871	while (my ($face, $info) = each %$faces) {
		2872	next unless $info->{smooth};
		2873	my $idx = cf::face::find $face
		2874	or next;
		2875	if (my $smooth = cf::face::find $info->{smooth}) {
		2876	cf::face::set_smooth $idx, $smooth;
		2877	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2878	} else {
		2879	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2880	}
		2881
		2882	cf::cede_to_tick;
		2883	}
		2884	}
		2885
		2886	{
		2887	my $anims = $facedata->{animinfo};
		2888
		2889	while (my ($anim, $info) = each %$anims) {
		2890	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2891	cf::cede_to_tick;
		2892	}
		2893
		2894	cf::anim::invalidate_all; # d'oh
		2895	}
		2896
		2897	{
		2898	# TODO: for gcfclient pleasure, we should give resources
		2899	# that gcfclient doesn't grok a >10000 face index.
		2900	my $res = $facedata->{resource};
		2901
		2902	my $soundconf = delete $res->{"res/sound.conf"};
		2903
		2904	while (my ($name, $info) = each %$res) {
		2905	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2906	my $data;
		2907
		2908	if ($info->{type} & 1) {
		2909	# prepend meta info
		2910
		2911	my $meta = $enc->encode ({
		2912	name => $name,
		2913	%{ $info->{meta} || {} },
		2914	});
		2915
		2916	$data = pack "(w/a*)*", $meta, $info->{data};
		2917	} else {
		2918	$data = $info->{data};
		2919	}
		2920
		2921	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2922	cf::face::set_type $idx, $info->{type};
		2923
		2924	cf::cede_to_tick;
		2925	}
		2926
		2927	if ($soundconf) {
		2928	$soundconf = $enc->decode (delete $soundconf->{data});
		2929
		2930	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2931	my $sound = $soundconf->{compat}[$_]
		2932	or next;
		2933
		2934	my $face = cf::face::find "sound/$sound->[1]";
		2935	cf::sound::set $sound->[0] => $face;
		2936	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2937	}
		2938
		2939	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2940	my $face = cf::face::find "sound/$v";
		2941	cf::sound::set $k => $face;
		2942	}
		2943	}
		2944	}
		2945
		2946	1
		2947	}
		2948
		2949	register_exticmd fx_want => sub {
		2950	my ($ns, $want) = @_;
		2951
		2952	while (my ($k, $v) = each %$want) {
		2953	$ns->fx_want ($k, $v);
		2954	}
		2955	};
		2956
		2957	sub reload_regions {
		2958	load_resource_file "$MAPDIR/regions"
2265	or die "unable to load regions file\n";#d#	2959	or die "unable to load regions file\n";
2266	}
2267		2960
2268	sub cfg_load {	2961	for (cf::region::list) {
		2962	$_->{match} = qr/$_->{match}/
		2963	if exists $_->{match};
		2964	}
		2965	}
		2966
		2967	sub reload_facedata {
		2968	load_facedata "$DATADIR/facedata"
		2969	or die "unable to load facedata\n";
		2970	}
		2971
		2972	sub reload_archetypes {
		2973	load_resource_file "$DATADIR/archetypes"
		2974	or die "unable to load archetypes\n";
		2975	#d# NEED to laod twice to resolve forward references
		2976	# this really needs to be done in an extra post-pass
		2977	# (which needs to be synchronous, so solve it differently)
		2978	load_resource_file "$DATADIR/archetypes"
		2979	or die "unable to load archetypes\n";
		2980	}
		2981
		2982	sub reload_treasures {
		2983	load_resource_file "$DATADIR/treasures"
		2984	or die "unable to load treasurelists\n";
		2985	}
		2986
		2987	sub reload_resources {
		2988	warn "reloading resource files...\n";
		2989
		2990	reload_regions;
		2991	reload_facedata;
		2992	#reload_archetypes;#d#
		2993	reload_archetypes;
		2994	reload_treasures;
		2995
		2996	warn "finished reloading resource files\n";
		2997	}
		2998
		2999	sub init {
		3000	reload_resources;
		3001	}
		3002
		3003	sub reload_config {
2269	open my $fh, "<:utf8", cf::confdir . "/config"	3004	open my $fh, "<:utf8", "$CONFDIR/config"
2270	or return;	3005	or return;
2271		3006
2272	local $/;	3007	local $/;
2273	*CFG = YAML::Syck::Load <$fh>;	3008	*CFG = YAML::Syck::Load <$fh>;
2274		3009
…		…
2282	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3017	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2283	and die "WARNING: m(un)lockall failed: $!\n";	3018	and die "WARNING: m(un)lockall failed: $!\n";
2284	};	3019	};
2285	warn $@ if $@;	3020	warn $@ if $@;
2286	}	3021	}
2287	}
2288
2289	sub init {
2290	load_resources;
2291	}	3022	}
2292		3023
2293	sub main {	3024	sub main {
2294	# we must not ever block the main coroutine	3025	# we must not ever block the main coroutine
2295	local $Coro::idle = sub {	3026	local $Coro::idle = sub {
…		…
2297	(async {	3028	(async {
2298	Event::one_event;	3029	Event::one_event;
2299	})->prio (Coro::PRIO_MAX);	3030	})->prio (Coro::PRIO_MAX);
2300	};	3031	};
2301		3032
2302	cfg_load;	3033	reload_config;
2303	db_init;	3034	db_init;
2304	load_extensions;	3035	load_extensions;
2305		3036
2306	$TICK_WATCHER->start;	3037	$TICK_WATCHER->start;
2307	Event::loop;	3038	Event::loop;
…		…
2323	},	3054	},
2324	);	3055	);
2325	}	3056	}
2326	}	3057	}
2327		3058
		3059	sub write_runtime {
		3060	my $runtime = "$LOCALDIR/runtime";
		3061
		3062	# first touch the runtime file to show we are still running:
		3063	# the fsync below can take a very very long time.
		3064
		3065	IO::AIO::aio_utime $runtime, undef, undef;
		3066
		3067	my $guard = cf::lock_acquire "write_runtime";
		3068
		3069	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3070	or return;
		3071
		3072	my $value = $cf::RUNTIME + 90 + 10;
		3073	# 10 is the runtime save interval, for a monotonic clock
		3074	# 60 allows for the watchdog to kill the server.
		3075
		3076	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3077	and return;
		3078
		3079	# always fsync - this file is important
		3080	aio_fsync $fh
		3081	and return;
		3082
		3083	# touch it again to show we are up-to-date
		3084	aio_utime $fh, undef, undef;
		3085
		3086	close $fh
		3087	or return;
		3088
		3089	aio_rename "$runtime~", $runtime
		3090	and return;
		3091
		3092	warn "runtime file written.\n";
		3093
		3094	1
		3095	}
		3096
2328	sub emergency_save() {	3097	sub emergency_save() {
2329	my $freeze_guard = cf::freeze_mainloop;	3098	my $freeze_guard = cf::freeze_mainloop;
2330		3099
2331	warn "enter emergency perl save\n";	3100	warn "enter emergency perl save\n";
2332		3101
…		…
2363		3132
2364	warn Carp::longmess "post_cleanup backtrace"	3133	warn Carp::longmess "post_cleanup backtrace"
2365	if $make_core;	3134	if $make_core;
2366	}	3135	}
2367		3136
2368	sub reload() {	3137	sub do_reload_perl() {
2369	# can/must only be called in main	3138	# can/must only be called in main
2370	if ($Coro::current != $Coro::main) {	3139	if ($Coro::current != $Coro::main) {
2371	warn "can only reload from main coroutine";	3140	warn "can only reload from main coroutine";
2372	return;	3141	return;
2373	}	3142	}
2374		3143
2375	warn "reloading...";	3144	warn "reloading...";
2376		3145
2377	warn "cancelling server ticker";	3146	warn "entering sync_job";
2378	$TICK_WATCHER->cancel;
2379		3147
		3148	cf::sync_job {
		3149	cf::write_runtime; # external watchdog should not bark
2380	cf::emergency_save;	3150	cf::emergency_save;
		3151	cf::write_runtime; # external watchdog should not bark
2381		3152
2382	eval {	3153	warn "syncing database to disk";
		3154	BDB::db_env_txn_checkpoint $DB_ENV;
		3155
2383	# if anything goes wrong in here, we should simply crash as we already saved	3156	# if anything goes wrong in here, we should simply crash as we already saved
2384		3157
2385	warn "cancelling all WF_AUTOCANCEL watchers";	3158	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {	3159	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;	3160	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}	3161	}
2389
2390	warn "syncing database to disk";
2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392		3162
2393	warn "flushing outstanding aio requests";	3163	warn "flushing outstanding aio requests";
2394	for (;;) {	3164	for (;;) {
2395	BDB::flush;	3165	BDB::flush;
2396	IO::AIO::flush;	3166	IO::AIO::flush;
2397	Coro::cede;	3167	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;	3168	last unless IO::AIO::nreqs || BDB::nreqs;
2399	warn "iterate...";	3169	warn "iterate...";
2400	}	3170	}
2401		3171
		3172	++$RELOAD;
		3173
2402	warn "cancelling all extension coros";	3174	warn "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;	3175	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();	3176	%EXT_CORO = ();
2405		3177
2406	warn "removing commands";	3178	warn "removing commands";
2407	%COMMAND = ();	3179	%COMMAND = ();
2408		3180
2409	warn "removing ext commands";	3181	warn "removing ext/exti commands";
2410	%EXTCMD = ();	3182	%EXTCMD = ();
		3183	%EXTICMD = ();
2411		3184
2412	warn "unloading/nuking all extensions";	3185	warn "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {	3186	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";	3187	warn "... unloading $pkg";
2415		3188
…		…
2445	Symbol::delete_package "safe::$_"	3218	Symbol::delete_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3219	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3220
2448	warn "unloading cf.pm \"a bit\"";	3221	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3222	delete $INC{"cf.pm"};
		3223	delete $INC{"cf/pod.pm"};
2450		3224
2451	# don't, removes xs symbols, too,	3225	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3226	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3227	#Symbol::delete_package __PACKAGE__;
2454		3228
…		…
2457	warn "reloading cf.pm";	3231	warn "reloading cf.pm";
2458	require cf;	3232	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3233	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2460		3234
2461	warn "loading config and database again";	3235	warn "loading config and database again";
2462	cf::cfg_load;	3236	cf::reload_config;
2463		3237
2464	warn "loading extensions";	3238	warn "loading extensions";
2465	cf::load_extensions;	3239	cf::load_extensions;
2466		3240
2467	warn "reattaching attachments to objects/players";	3241	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3242	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3243	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3244	reattach $_ for values %MAP;
		3245	warn "reattaching attachments to players";
		3246	reattach $_ for values %PLAYER;
2471		3247
2472	warn "loading reloadable resources";	3248	warn "leaving sync_job";
2473	load_resources;
2474		3249
2475	warn "restarting server ticker";	3250	1
2476		3251	} or do {
2477	$TICK_WATCHER->start;
2478	};
2479
2480	if ($@) {
2481	warn $@;	3252	warn $@;
2482	warn "error while reloading, exiting.";	3253	warn "error while reloading, exiting.";
2483	exit 1;	3254	exit 1;
2484	}	3255	};
2485		3256
2486	warn "reloaded";	3257	warn "reloaded";
2487	};	3258	};
2488		3259
2489	our $RELOAD_WATCHER; # used only during reload	3260	our $RELOAD_WATCHER; # used only during reload
2490		3261
		3262	sub reload_perl() {
		3263	# doing reload synchronously and two reloads happen back-to-back,
		3264	# coro crashes during coro_state_free->destroy here.
		3265
		3266	$RELOAD_WATCHER ||= Event->timer (
		3267	reentrant => 0,
		3268	after => 0,
		3269	data => WF_AUTOCANCEL,
		3270	cb => sub {
		3271	do_reload_perl;
		3272	undef $RELOAD_WATCHER;
		3273	},
		3274	);
		3275	}
		3276
2491	register_command "reload" => sub {	3277	register_command "reload" => sub {
2492	my ($who, $arg) = @_;	3278	my ($who, $arg) = @_;
2493		3279
2494	if ($who->flag (FLAG_WIZ)) {	3280	if ($who->flag (FLAG_WIZ)) {
2495	$who->message ("reloading server.");	3281	$who->message ("reloading server.");
2496		3282	async { reload_perl };
2497	# doing reload synchronously and two reloads happen back-to-back,
2498	# coro crashes during coro_state_free->destroy here.
2499
2500	$RELOAD_WATCHER ||= Event->timer (
2501	reentrant => 0,
2502	after => 0,
2503	data => WF_AUTOCANCEL,
2504	cb => sub {
2505	reload;
2506	undef $RELOAD_WATCHER;
2507	},
2508	);
2509	}	3283	}
2510	};	3284	};
2511		3285
2512	unshift @INC, $LIBDIR;	3286	unshift @INC, $LIBDIR;
2513		3287
2514	my $bug_warning = 0;	3288	my $bug_warning = 0;
2515		3289
		3290	our @WAIT_FOR_TICK;
		3291	our @WAIT_FOR_TICK_BEGIN;
		3292
		3293	sub wait_for_tick {
		3294	return unless $TICK_WATCHER->is_active;
		3295	return if $Coro::current == $Coro::main;
		3296
		3297	my $signal = new Coro::Signal;
		3298	push @WAIT_FOR_TICK, $signal;
		3299	$signal->wait;
		3300	}
		3301
		3302	sub wait_for_tick_begin {
		3303	return unless $TICK_WATCHER->is_active;
		3304	return if $Coro::current == $Coro::main;
		3305
		3306	my $signal = new Coro::Signal;
		3307	push @WAIT_FOR_TICK_BEGIN, $signal;
		3308	$signal->wait;
		3309	}
		3310
		3311	my $min = 1e6;#d#
		3312	my $avg = 10;
2516	$TICK_WATCHER = Event->timer (	3313	$TICK_WATCHER = Event->timer (
2517	reentrant => 0,	3314	reentrant => 0,
2518	parked => 1,	3315	parked => 1,
2519	prio => 0,	3316	prio => 0,
2520	at => $NEXT_TICK || $TICK,	3317	at => $NEXT_TICK || $TICK,
…		…
2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3321	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525	unless ++$bug_warning > 10;	3322	unless ++$bug_warning > 10;
2526	return;	3323	return;
2527	}	3324	}
2528		3325
2529	$NOW = Event::time;	3326	$NOW = $tick_start = Event::time;
2530		3327
2531	cf::server_tick; # one server iteration	3328	cf::server_tick; # one server iteration
		3329
		3330	0 && sync_job {#d#
		3331	for(1..10) {
		3332	my $t = Event::time;
		3333	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3334	or die;
		3335
		3336	$map->width (50);
		3337	$map->height (50);
		3338	$map->alloc;
		3339	$map->_load_objects ("/tmp/x.map", 1);
		3340	my $t = Event::time - $t;
		3341
		3342	#next unless $t < 0.0013;#d#
		3343	if ($t < $min) {
		3344	$min = $t;
		3345	}
		3346	$avg = $avg * 0.99 + $t * 0.01;
		3347	}
		3348	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3349	exit 0;
		3350	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3351	};
		3352
2532	$RUNTIME += $TICK;	3353	$RUNTIME += $TICK;
2533	$NEXT_TICK += $TICK;	3354	$NEXT_TICK += $TICK;
2534		3355
2535	$WAIT_FOR_TICK->broadcast;	3356	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3357	$NEXT_RUNTIME_WRITE = $NOW + 10;
2537		3358	Coro::async_pool {
2538	Event::sweep;	3359	write_runtime
2539	Coro::cede_notself;	3360	or warn "ERROR: unable to write runtime file: $!";
		3361	};
2540		3362	}
		3363
2541	# my $AFTER = Event::time;	3364	# my $AFTER = Event::time;
2542	# warn $AFTER - $NOW;#d#	3365	# warn $AFTER - $NOW;#d#
2543		3366
		3367	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3368	$sig->send;
		3369	}
		3370	while (my $sig = shift @WAIT_FOR_TICK) {
		3371	$sig->send;
		3372	}
		3373
		3374	$NOW = Event::time;
		3375
2544	# if we are delayed by four ticks or more, skip them all	3376	# if we are delayed by four ticks or more, skip them all
2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3377	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2546		3378
2547	$TICK_WATCHER->at ($NEXT_TICK);	3379	$TICK_WATCHER->at ($NEXT_TICK);
2548	$TICK_WATCHER->start;	3380	$TICK_WATCHER->start;
		3381
		3382	$LOAD = ($NOW - $tick_start) / $TICK;
		3383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3384
		3385	_post_tick;
		3386
		3387
2549	},	3388	},
2550	);	3389	);
2551		3390
2552	{	3391	{
2553	BDB::max_poll_time $TICK * 0.1;	3392	BDB::max_poll_time $TICK * 0.1;
…		…
2581		3420
2582	cf::sync_job {	3421	cf::sync_job {
2583	eval {	3422	eval {
2584	BDB::db_env_open	3423	BDB::db_env_open
2585	$DB_ENV,	3424	$DB_ENV,
2586	$BDB_ENV_DIR,	3425	$BDBDIR,
2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3426	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3427	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589	0666;	3428	0666;
2590		3429
2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3430	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2592		3431
2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3432	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2594	$DB_ENV->set_lk_detect;	3433	$DB_ENV->set_lk_detect;
2595	};	3434	};
2596		3435
…		…
2604		3443
2605	undef $Coro::AIO::WATCHER;	3444	undef $Coro::AIO::WATCHER;
2606	IO::AIO::max_poll_time $TICK * 0.1;	3445	IO::AIO::max_poll_time $TICK * 0.1;
2607	$AIO_POLL_WATCHER = Event->io (	3446	$AIO_POLL_WATCHER = Event->io (
2608	reentrant => 0,	3447	reentrant => 0,
		3448	data => WF_AUTOCANCEL,
2609	fd => IO::AIO::poll_fileno,	3449	fd => IO::AIO::poll_fileno,
2610	poll => 'r',	3450	poll => 'r',
2611	prio => 6,	3451	prio => 6,
2612	data => WF_AUTOCANCEL,
2613	cb => \&IO::AIO::poll_cb,	3452	cb => \&IO::AIO::poll_cb,
2614	);	3453	);
2615	}	3454	}
2616		3455
2617	$WRITE_RUNTIME_WATCHER = Event->timer (	3456	my $_log_backtrace;
2618	reentrant => 0,	3457
2619	data => WF_AUTOCANCEL,	3458	sub _log_backtrace {
2620	after => 1,	3459	my ($msg, @addr) = @_;
2621	interval => 10,	3460
2622	prio => 6, # keep it lowest so it acts like a watchdog	3461	$msg =~ s/\n//;
2623	cb => Coro::unblock_sub {	3462
2624	write_runtime	3463	# limit the # of concurrent backtraces
2625	or warn "ERROR: unable to write runtime file: $!";	3464	if ($_log_backtrace < 2) {
		3465	++$_log_backtrace;
		3466	async {
		3467	my @bt = fork_call {
		3468	@addr = map { sprintf "%x", $_ } @addr;
		3469	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3470	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3471	or die "addr2line: $!";
		3472
		3473	my @funcs;
		3474	my @res = <$fh>;
		3475	chomp for @res;
		3476	while (@res) {
		3477	my ($func, $line) = splice @res, 0, 2, ();
		3478	push @funcs, "[$func] $line";
		3479	}
		3480
		3481	@funcs
		3482	};
		3483
		3484	LOG llevInfo, "[ABT] $msg\n";
		3485	LOG llevInfo, "[ABT] $_\n" for @bt;
		3486	--$_log_backtrace;
		3487	};
		3488	} else {
		3489	LOG llevInfo, "[ABT] $msg\n";
		3490	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	3491	}
2627	);	3492	}
		3493
		3494	# load additional modules
		3495	use cf::pod;
2628		3496
2629	END { cf::emergency_save }	3497	END { cf::emergency_save }
2630		3498
2631	1	3499	1
2632		3500

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