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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.207 by root, Sun Feb 11 22:42:09 2007 UTC vs.
Revision 1.339 by root, Fri Aug 24 00:26:10 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 1.4 ();
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;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
27		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
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
28	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
29
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		44
32	# 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?
33	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
34		47
35	$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
36		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
37	our %COMMAND = ();	52	our %COMMAND = ();
38	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
39		54
40	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
44		60
		61	our $RELOAD; # number of reloads so far
45	our @EVENT;	62	our @EVENT;
46	our $LIBDIR = datadir . "/ext";
47		63
48	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(!)
49	our $TICK_WATCHER;	77	our $TICK_WATCHER;
50	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
51	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	our $NEXT_TICK;	80	our $NEXT_TICK;
53	our $NOW;	81	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		83
56	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
…		…
62	our $RUNTIME;	90	our $RUNTIME;
63		91
64	our %PLAYER; # all users	92	our %PLAYER; # all users
65	our %MAP; # all maps	93	our %MAP; # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		95
73	# 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 ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		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 $tick_start; # for load detecting purposes
		102
76	binmode STDOUT;	103	binmode STDOUT;
77	binmode STDERR;	104	binmode STDERR;
78		105
79	# read virtual server time, if available	106	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
81	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
82	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
83	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
84	}	111	}
85		112
86	mkdir cf::localdir;	113	mkdir $_
87	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
88	mkdir cf::localdir . "/" . cf::tmpdir;
89	mkdir cf::localdir . "/" . cf::uniquedir;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		115
93	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
94		117
95	sub cf::map::normalise;	118	sub cf::map::normalise;
96		119
…		…
107	=item $cf::RUNTIME	130	=item $cf::RUNTIME
108		131
109	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
110	every server tick.	133	every server tick.
111		134
112	=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
113		138
114	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
115	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.
116		143
117	=item $cf::NOW	144	=item $cf::NOW
118		145
119	The time of the last (current) server tick.	146	The time of the last (current) server tick.
120		147
121	=item $cf::TICK	148	=item $cf::TICK
122		149
123	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.
124		161
125	=item %cf::CFG	162	=item %cf::CFG
126		163
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
128	from wherever your confdir points to.	165	from wherever your confdir points to.
129		166
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		168
132	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
133	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
134	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.
135	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.
136		178
137	=back	179	=back
138		180
139	=cut	181	=cut
140		182
141	BEGIN {	183	BEGIN {
142	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
143	my $msg = join "", @_;	185	my $msg = join "", @_;
144	utf8::encode $msg;
145		186
146	$msg .= "\n"	187	$msg .= "\n"
147	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
148		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
149	LOG llevError, $msg;	193	LOG llevError, $msg;
150	};	194	};
151	}	195	}
152		196
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@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';
158	@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)
159		204
160	# 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
161	# within the Safe compartment.	206	# within the Safe compartment.
162	for my $pkg (qw(	207	for my $pkg (qw(
163	cf::global cf::attachable	208	cf::global cf::attachable
…		…
171	}	216	}
172		217
173	$Event::DIED = sub {	218	$Event::DIED = sub {
174	warn "error in event callback: @_";	219	warn "error in event callback: @_";
175	};	220	};
		221
		222	#############################################################################
176		223
177	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
178		225
179	=over 4	226	=over 4
180		227
…		…
199	$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;
200	$d	247	$d
201	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
202	}	249	}
203		250
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
207		252
208	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
209		254
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
218		256
219	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
220		258
221	=cut	259	=cut
222		260
223	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
225	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
226	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
227		265
228	=item cf::lock_wait $string	266	=item cf::lock_wait $string
229		267
230	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
231		269
…		…
237	returned.	275	returned.
238		276
239	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
240	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
241		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
242	=cut	284	=cut
243		285
244	our %LOCK;	286	our %LOCK;
245		287
246	sub lock_wait($) {	288	sub lock_wait($) {
…		…
265	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
267	}	309	}
268	}	310	}
269		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
270	sub freeze_mainloop {	318	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
272		320
273	my $guard = Coro::guard {	321	my $guard = Coro::guard {
274	$TICK_WATCHER->start;	322	$TICK_WATCHER->start;
275	$WRITE_RUNTIME_WATCHER->start;
276	};	323	};
277	$WRITE_RUNTIME_WATCHER->stop;
278	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
279	$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;
280	}	382	}
281		383
282	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
283		385
284	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		391
290	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
291		393
292	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
293		395
294	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)
295	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
296	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.
297		400
298	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
299	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
300	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
301	fast or be very important.	404	fast or be very important.
…		…
304		407
305	sub sync_job(&) {	408	sub sync_job(&) {
306	my ($job) = @_;	409	my ($job) = @_;
307		410
308	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
309	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
311		416
312	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
313	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
324		429
325	while ($busy) {	430	while ($busy) {
326	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
327	}	432	}
328		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
329	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
330	} else {	442	} else {
331	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
332		444
333	$job->()	445	$job->()
…		…
352	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
353		465
354	$coro	466	$coro
355	}	467	}
356		468
357	sub write_runtime {	469	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		470
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	471	Executes the given code block with the given arguments in a seperate
361	or return;	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.
362		475
363	my $value = $cf::RUNTIME + 90 + 10;	476	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		477
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	478	sub fork_call(&@) {
368	and return;	479	my ($cb, @args) = @_;
369		480
370	# always fsync - this file is important	481	# we seemingly have to make a local copy of the whole thing,
371	aio_fsync $fh	482	# otherwise perl prematurely frees the stuff :/
372	and return;	483	# TODO: investigate and fix (liekly this will be rather laborious)
373		484
374	close $fh	485	my @res = Coro::Util::fork_eval {
375	or return;	486	reset_signals;
		487	&$cb
		488	}, @args;
376		489
377	aio_rename "$runtime~", $runtime	490	wantarray ? @res : $res[-1]
378	and return;	491	}
379		492
		493	=item $value = cf::db_get $family => $key
		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	};
380	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 });
381	}	618	}
382		619
383	=back	620	=back
384		621
385	=cut	622	=cut
…		…
392	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")
393	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
394		631
395	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>
396	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
397	crossfire+).	634	Crossfire TRT).
398		635
399	=over 4	636	=over 4
400		637
401	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
402		639
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
566		803
567	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		808
572	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	810	my $pkg = shift @arg;
574		811
575	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
605	}	842	}
606		843
607	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
608	} else {	845	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	847	}
611		848
612	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
613	}	850	}
614		851
…		…
616	if (ref $_[0]) {	853	if (ref $_[0]) {
617	_object_attach @_;	854	_object_attach @_;
618	} else {	855	} else {
619	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
620	}	857	}
		858	_recalc_want;
621	};	859	};
622		860
623	# all those should be optimised	861	# all those should be optimised
624	sub cf::attachable::detach {	862	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
629	reattach ($obj);	867	reattach ($obj);
630	} else {	868	} else {
631	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
632	}	870	}
		871	_recalc_want;
633	};	872	};
634		873
635	sub cf::attachable::attached {	874	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
637		876
…		…
652	";	891	";
653	die if $@;	892	die if $@;
654	}	893	}
655		894
656	our $override;	895	our $override;
657	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?
658		897
659	sub override {	898	sub override {
660	$override = 1;	899	$override = 1;
661	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
662	}	901	}
663		902
664	sub do_invoke {	903	sub do_invoke {
665	my $event = shift;	904	my $event = shift;
666	my $callbacks = shift;	905	my $callbacks = shift;
667		906
668	@invoke_results = ();	907	@INVOKE_RESULTS = ();
669		908
670	local $override;	909	local $override;
671		910
672	for (@$callbacks) {	911	for (@$callbacks) {
673	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
690		929
691	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
692		931
693	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
694	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
695	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		935
697	=back	936	=back
698		937
699	=cut	938	=cut
700		939
701	#############################################################################	940	#############################################################################
702	# 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	}
703		953
704	sub reattach {	954	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	956	my ($obj) = @_;
707		957
…		…
784	}	1034	}
785	} else {	1035	} else {
786	aio_unlink $filename;	1036	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1037	aio_unlink "$filename.pst";
788	}	1038	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1039	}
796	}	1040	}
797		1041
798	sub object_freezer_as_string {	1042	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1043	my ($rdata, $objs) = @_;
…		…
805		1049
806	sub object_thawer_load {	1050	sub object_thawer_load {
807	my ($filename) = @_;	1051	my ($filename) = @_;
808		1052
809	my ($data, $av);	1053	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1054
814	(aio_load $filename, $data) >= 0	1055	(aio_load $filename, $data) >= 0
815	or return;	1056	or return;
816		1057
817	unless (aio_stat "$filename.pst") {	1058	unless (aio_stat "$filename.pst") {
…		…
819	or return;	1060	or return;
820	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
821	}	1062	}
822		1063
823	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
825	return ($data, $av);	1066	return ($data, $av);
826	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
827		1074
828	#############################################################################	1075	#############################################################################
829	# command handling &c	1076	# command handling &c
830		1077
831	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1092	}
846		1093
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1095
849	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.
850		1101
851	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
852	called.	1103	called.
853		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
854	=cut	1116	=cut
855		1117
856	sub register_extcmd {	1118	sub register_extcmd {
857	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
858		1120
859	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
860	}	1128	}
861		1129
862	cf::player->attach (	1130	cf::player->attach (
863	on_command => sub {	1131	on_command => sub {
864	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
873	cf::override;	1141	cf::override;
874	},	1142	},
875	on_extcmd => sub {	1143	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
877		1145
878	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1147
880	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
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
886	} else {	1163	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1165	}
889		1166
890	cf::override;	1167	cf::override;
891	},	1168	},
892	);	1169	);
893		1170
894	sub load_extension {
895	my ($path) = @_;
896
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
898	my $base = $1;
899	my $pkg = $1;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}
922	die $@;
923	}
924
925	push @EXTS, $pkg;
926	}
927
928	sub load_extensions {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
929	for my $ext (<$LIBDIR/*.ext>) {	1175	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1176	next unless -r $path;
931	eval {	1177
932	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;
933	1	1235	}
934	} or warn "$ext not loaded: $@";	1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
935	}	1241	};
936	}	1242	}
937		1243
938	#############################################################################	1244	#############################################################################
939		1245
		1246	=back
		1247
940	=head2 CORE EXTENSIONS	1248	=head2 CORE EXTENSIONS
941		1249
942	Functions and methods that extend core crossfire objects.	1250	Functions and methods that extend core crossfire objects.
943		1251
944	=cut	1252	=cut
…		…
956	Returns the given player object, loading it if necessary (might block).	1264	Returns the given player object, loading it if necessary (might block).
957		1265
958	=cut	1266	=cut
959		1267
960	sub playerdir($) {	1268	sub playerdir($) {
961	cf::localdir	1269	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1270	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1271	}
967		1272
968	sub path($) {	1273	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1274	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1275
971	(playerdir $login) . "/$login.pl"	1276	(playerdir $login) . "/playerdata"
972	}	1277	}
973		1278
974	sub find_active($) {	1279	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1280	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1281	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1294	my $login = $_[0];
990		1295
991	my $guard = cf::lock_acquire "user_find:$login";	1296	my $guard = cf::lock_acquire "user_find:$login";
992		1297
993	$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
994	my $pl = load_pl path $login	1306	my $pl = load_pl path $login
995	or return;	1307	or return;
996	$cf::PLAYER{$login} = $pl	1308	$cf::PLAYER{$login} = $pl
997	}	1309	}
998	}	1310	}
…		…
1026	$cf::PLAYER{$login} = $self;	1338	$cf::PLAYER{$login} = $self;
1027		1339
1028	$self	1340	$self
1029	}	1341	}
1030		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
1031	=item $pl->quit_character	1353	=item $pl->quit_character
1032		1354
1033	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
1034	be destroyed. May block for a long time.	1356	be destroyed. May block for a long time.
1035		1357
1036	=cut	1358	=cut
1037		1359
1038	sub quit_character {	1360	sub quit_character {
1039	my ($pl) = @_;	1361	my ($pl) = @_;
		1362
		1363	my $name = $pl->ob->name;
1040		1364
1041	$pl->{deny_save} = 1;	1365	$pl->{deny_save} = 1;
1042	$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
1043		1367
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1049	my $path = playerdir $pl;	1373	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1374	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1375	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1376	delete $cf::PLAYER{$pl->ob->name};
1053	$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
1054	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;
1055	}	1399	}
1056		1400
1057	=item cf::player::list_logins	1401	=item cf::player::list_logins
1058		1402
1059	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
1060	while and may block, so not sync_job-capable, ever.	1404	while and may block, so not sync_job-capable, ever.
1061		1405
1062	=cut	1406	=cut
1063		1407
1064	sub list_logins {	1408	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1409	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1410	or return [];
1067		1411
1068	my @logins;	1412	my @logins;
1069		1413
1070	for my $login (@$dirs) {	1414	for my $login (@$dirs) {
…		…
1105	}	1449	}
1106		1450
1107	\@paths	1451	\@paths
1108	}	1452	}
1109		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
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1504	=item $player->ext_reply ($msgid, @msg)
1111		1505
1112	Sends an ext reply to the player.	1506	Sends an ext reply to the player.
1113		1507
1114	=cut	1508	=cut
1115		1509
1116	sub ext_reply($$$%) {	1510	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1511	my ($self, $id, @msg) = @_;
1118		1512
1119	$msg{msgid} = $id;	1513	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1514	}
1123		1515
1124	package cf;	1516	=item $player->ext_msg ($type, @msg)
		1517
		1518	Sends an ext event to the client.
		1519
		1520	=cut
		1521
		1522	sub ext_msg($$@) {
		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	$match
		1555	}
1125		1556
1126	=back	1557	=back
1127
1128		1558
1129	=head3 cf::map	1559	=head3 cf::map
1130		1560
1131	=over 4	1561	=over 4
1132		1562
…		…
1187	my ($self, $merge) = @_;	1617	my ($self, $merge) = @_;
1188		1618
1189	# we have to keep some variables in memory intact	1619	# we have to keep some variables in memory intact
1190	local $self->{path};	1620	local $self->{path};
1191	local $self->{load_path};	1621	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1622
1195	$self->SUPER::thawer_merge ($merge);	1623	$self->SUPER::thawer_merge ($merge);
1196	}	1624	}
1197		1625
1198	sub normalise {	1626	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1673	$self->init; # pass $1 etc.
1246	return $self;	1674	return $self;
1247	}	1675	}
1248	}	1676	}
1249		1677
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1679	()
1252	}	1680	}
1253		1681
1254	sub init {	1682	sub init {
1255	my ($self) = @_;	1683	my ($self) = @_;
…		…
1270		1698
1271	# the original (read-only) location	1699	# the original (read-only) location
1272	sub load_path {	1700	sub load_path {
1273	my ($self) = @_;	1701	my ($self) = @_;
1274		1702
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1703	"$MAPDIR/$self->{path}.map"
1276	}	1704	}
1277		1705
1278	# the temporary/swap location	1706	# the temporary/swap location
1279	sub save_path {	1707	sub save_path {
1280	my ($self) = @_;	1708	my ($self) = @_;
1281		1709
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1711	"$TMPDIR/$path.map"
1284	}	1712	}
1285		1713
1286	# the unique path, undef == no special unique path	1714	# the unique path, undef == no special unique path
1287	sub uniq_path {	1715	sub uniq_path {
1288	my ($self) = @_;	1716	my ($self) = @_;
1289		1717
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1719	"$UNIQUEDIR/$path"
1292	}	1720	}
1293		1721
1294	# and all this just because we cannot iterate over	1722	# and all this just because we cannot iterate over
1295	# all maps in C++...	1723	# all maps in C++...
1296	sub change_all_map_light {	1724	sub change_all_map_light {
…		…
1298		1726
1299	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1728	for grep $_->outdoor, values %cf::MAP;
1301	}	1729	}
1302		1730
		1731	sub decay_objects {
		1732	my ($self) = @_;
		1733
		1734	return if $self->{deny_reset};
		1735
		1736	$self->do_decay_objects;
		1737	}
		1738
1303	sub unlink_save {	1739	sub unlink_save {
1304	my ($self) = @_;	1740	my ($self) = @_;
1305		1741
1306	utf8::encode (my $save = $self->save_path);	1742	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1743	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1744	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	1745	}
1315		1746
1316	sub load_header_from($) {	1747	sub load_header_from($) {
1317	my ($self, $path) = @_;	1748	my ($self, $path) = @_;
1318		1749
…		…
1368	$self->load_header_orig	1799	$self->load_header_orig
1369	or return;	1800	or return;
1370	$self->prepare_orig;	1801	$self->prepare_orig;
1371	}	1802	}
1372		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
1373	1	1810	1
1374	}	1811	}
1375		1812
1376	sub find;	1813	sub find;
1377	sub find {	1814	sub find {
…		…
1389	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1390		1827
1391	$map->load_header	1828	$map->load_header
1392	or return;	1829	or return;
1393		1830
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1832	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1833	#$cf::WAIT_FOR_TICK->wait;
1397	$map->reset;	1834	$map->reset;
1398	undef $guard;	1835	undef $guard;
1399	return find $path;	1836	return find $path;
…		…
1410	my ($self) = @_;	1847	my ($self) = @_;
1411		1848
1412	local $self->{deny_reset} = 1; # loading can take a long time	1849	local $self->{deny_reset} = 1; # loading can take a long time
1413		1850
1414	my $path = $self->{path};	1851	my $path = $self->{path};
		1852
		1853	{
1415	my $guard = cf::lock_acquire "map_load:$path";	1854	my $guard = cf::lock_acquire "map_load:$path";
1416		1855
1417	return if $self->in_memory != cf::MAP_SWAPPED;	1856	return if $self->in_memory != cf::MAP_SWAPPED;
1418		1857
1419	$self->in_memory (cf::MAP_LOADING);	1858	$self->in_memory (cf::MAP_LOADING);
1420		1859
1421	$self->alloc;	1860	$self->alloc;
1422		1861
1423	$self->pre_load;	1862	$self->pre_load;
1424
1425	$self->_load_objects ($self->{load_path}, 1)
1426	or return;
1427
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1429	if delete $self->{load_original};
1430
1431	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {
1434	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);
1436	}
1437	}
1438
1439	Coro::cede;
1440
1441	# now do the right thing for maps
1442	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;	1863	Coro::cede;
1449	$self->set_darkness_map;	1864
		1865	$self->_load_objects ($self->{load_path}, 1)
		1866	or return;
		1867
		1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1869	if delete $self->{load_original};
		1870
		1871	if (my $uniq = $self->uniq_path) {
		1872	utf8::encode $uniq;
		1873	if (aio_open $uniq, O_RDONLY, 0) {
		1874	$self->clear_unique_items;
		1875	$self->_load_objects ($uniq, 0);
		1876	}
		1877	}
		1878
		1879	Coro::cede;
		1880	# now do the right thing for maps
		1881	$self->link_multipart_objects;
1450	$self->difficulty ($self->estimate_difficulty)	1882	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	1883	unless $self->difficulty;
1452	Coro::cede;	1884	Coro::cede;
		1885
		1886	unless ($self->{deny_activate}) {
		1887	$self->decay_objects;
		1888	$self->fix_auto_apply;
		1889	$self->update_buttons;
		1890	Coro::cede;
		1891	$self->set_darkness_map;
		1892	Coro::cede;
1453	$self->activate;	1893	$self->activate;
		1894	}
		1895
		1896	$self->{last_save} = $cf::RUNTIME;
		1897	$self->last_access ($cf::RUNTIME);
		1898
		1899	$self->in_memory (cf::MAP_IN_MEMORY);
1454	}	1900	}
1455		1901
1456	$self->post_load;	1902	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	1903	}
1460		1904
1461	sub customise_for {	1905	sub customise_for {
1462	my ($self, $ob) = @_;	1906	my ($self, $ob) = @_;
1463		1907
1464	return find "~" . $ob->name . "/" . $self->{path}	1908	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	1909	if $self->per_player;
1466		1910
		1911	# return find "?party/" . $ob->name . "/" . $self->{path}
		1912	# if $self->per_party;
		1913
1467	$self	1914	$self
1468	}	1915	}
1469		1916
1470	# find and load all maps in the 3x3 area around a map	1917	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	1918	sub load_neighbours {
1472	my ($map) = @_;	1919	my ($map) = @_;
1473		1920
1474	my @diag; # diagonal neighbours	1921	my @neigh; # diagonal neighbours
1475		1922
1476	for (0 .. 3) {	1923	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	1924	my $neigh = $map->tile_path ($_)
1478	or next;	1925	or next;
1479	$neigh = find $neigh, $map	1926	$neigh = find $neigh, $map
1480	or next;	1927	or next;
1481	$neigh->load;	1928	$neigh->load;
1482		1929
		1930	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	1933	}
1486		1934
1487	for (@diag) {	1935	for (grep defined $_->[0], @neigh) {
		1936	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	1937	my $neigh = find $path, $origin
1489	or next;	1938	or next;
1490	$neigh->load;	1939	$neigh->load;
1491	}	1940	}
1492	}	1941	}
1493		1942
…		…
1498	}	1947	}
1499		1948
1500	sub do_load_sync {	1949	sub do_load_sync {
1501	my ($map) = @_;	1950	my ($map) = @_;
1502		1951
		1952	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1953	if $Coro::current != $Coro::main;
		1954
1503	cf::sync_job { $map->load };	1955	cf::sync_job { $map->load };
1504	}	1956	}
1505		1957
1506	our %MAP_PREFETCH;	1958	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	1959	our $MAP_PREFETCHER = undef;
1508		1960
1509	sub find_async {	1961	sub find_async {
1510	my ($path, $origin) = @_;	1962	my ($path, $origin, $load) = @_;
1511		1963
1512	$path = normalise $path, $origin && $origin->{path};	1964	$path = normalise $path, $origin && $origin->{path};
1513		1965
1514	if (my $map = $cf::MAP{$path}) {	1966	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1967	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1516	}	1968	}
1517		1969
1518	undef $MAP_PREFETCH{$path};	1970	$MAP_PREFETCH{$path} |= $load;
		1971
1519	$MAP_PREFETCHER ||= cf::async {	1972	$MAP_PREFETCHER ||= cf::async {
1520	while (%MAP_PREFETCH) {	1973	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	1974	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	1975	if (my $map = find $k) {
1523	or next;
1524	$map->load;	1976	$map->load if $v;
		1977	}
1525		1978
1526	delete $MAP_PREFETCH{$path};	1979	delete $MAP_PREFETCH{$k};
1527	}	1980	}
1528	}	1981	}
1529	undef $MAP_PREFETCHER;	1982	undef $MAP_PREFETCHER;
1530	};	1983	};
1531	$MAP_PREFETCHER->prio (6);	1984	$MAP_PREFETCHER->prio (6);
…		…
1581		2034
1582	sub reset_at {	2035	sub reset_at {
1583	my ($self) = @_;	2036	my ($self) = @_;
1584		2037
1585	# TODO: safety, remove and allow resettable per-player maps	2038	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2039	return 1e99 if $self->{deny_reset};
1588		2040
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2041	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2042	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2043
…		…
1602	my ($self) = @_;	2054	my ($self) = @_;
1603		2055
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2056	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2057
1606	return if $self->players;	2058	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2059
1609	warn "resetting map ", $self->path;#d#	2060	warn "resetting map ", $self->path;
		2061
		2062	$self->in_memory (cf::MAP_SWAPPED);
		2063
		2064	# need to save uniques path
		2065	unless ($self->{deny_save}) {
		2066	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2067
		2068	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2069	if $uniq;
		2070	}
1610		2071
1611	delete $cf::MAP{$self->path};	2072	delete $cf::MAP{$self->path};
1612		2073
1613	$self->in_memory (cf::MAP_SWAPPED);
1614	$self->clear;	2074	$self->clear;
1615		2075
1616	$_->clear_links_to ($self) for values %cf::MAP;	2076	$_->clear_links_to ($self) for values %cf::MAP;
1617		2077
1618	$self->unlink_save;	2078	$self->unlink_save;
…		…
1637	$cf::MAP{$self->path} = $self;	2097	$cf::MAP{$self->path} = $self;
1638		2098
1639	$self->reset; # polite request, might not happen	2099	$self->reset; # polite request, might not happen
1640	}	2100	}
1641		2101
		2102	=item $maps = cf::map::tmp_maps
		2103
		2104	Returns an arrayref with all map paths of currently instantiated and saved
		2105	maps. May block.
		2106
		2107	=cut
		2108
		2109	sub tmp_maps() {
		2110	[
		2111	map {
		2112	utf8::decode $_;
		2113	/\.map$/
		2114	? normalise $_
		2115	: ()
		2116	} @{ aio_readdir $TMPDIR or [] }
		2117	]
		2118	}
		2119
		2120	=item $maps = cf::map::random_maps
		2121
		2122	Returns an arrayref with all map paths of currently instantiated and saved
		2123	random maps. May block.
		2124
		2125	=cut
		2126
		2127	sub random_maps() {
		2128	[
		2129	map {
		2130	utf8::decode $_;
		2131	/\.map$/
		2132	? normalise "?random/$_"
		2133	: ()
		2134	} @{ aio_readdir $RANDOMDIR or [] }
		2135	]
		2136	}
		2137
1642	=item cf::map::unique_maps	2138	=item cf::map::unique_maps
1643		2139
1644	Returns an arrayref of paths of all shared maps that have	2140	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2141	instantiated unique items. May block.
1646		2142
1647	=cut	2143	=cut
1648		2144
1649	sub unique_maps() {	2145	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2146	[
1651	or return;	2147	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2148	utf8::decode $_;
1657	next if /\.pst$/;	2149	/\.map$/
1658	next unless /^$PATH_SEP/o;	2150	? normalise $_
1659		2151	: ()
1660	push @paths, cf::map::normalise $_;	2152	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2153	]
1662
1663	\@paths
1664	}	2154	}
1665		2155
1666	package cf;	2156	package cf;
1667		2157
1668	=back	2158	=back
…		…
1714		2204
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2205	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2206
1717	if ($self->{record_replies}) {	2207	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2208	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2209
1719	} else {	2210	} else {
		2211	my $pl = $self->contr;
		2212
		2213	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2214	my $dialog = $pl->{npc_dialog};
		2215	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2216
		2217	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2218	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2219	$self->message ($msg, $flags);
		2220	}
1722	}	2221	}
		2222	}
		2223
		2224	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2225
		2226	=cut
		2227
		2228	sub cf::object::send_msg {
		2229	my $pl = shift->contr
		2230	or return;
		2231	$pl->send_msg (@_);
1723	}	2232	}
1724		2233
1725	=item $player_object->may ("access")	2234	=item $player_object->may ("access")
1726		2235
1727	Returns wether the given player is authorized to access resource "access"	2236	Returns wether the given player is authorized to access resource "access"
…		…
1774	$self->deactivate_recursive;	2283	$self->deactivate_recursive;
1775		2284
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2285	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2286
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2287	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2288	if $self->map && $self->map->{path} ne "{link}";
1780		2289
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2290	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2291	}
1783		2292
1784	sub cf::object::player::leave_link {	2293	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2294	my ($self, $map, $x, $y) = @_;
		2295
		2296	return unless $self->contr->active;
1786		2297
1787	my $link_pos = delete $self->{_link_pos};	2298	my $link_pos = delete $self->{_link_pos};
1788		2299
1789	unless ($map) {	2300	unless ($map) {
1790	# restore original map position	2301	# restore original map position
…		…
1804	# use -1 or undef as default coordinates, not 0, 0	2315	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2316	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2317	if $x <=0 && $y <= 0;
1807		2318
1808	$map->load;	2319	$map->load;
1809	$map->load_diag;	2320	$map->load_neighbours;
1810		2321
1811	return unless $self->contr->active;	2322	return unless $self->contr->active;
1812	$self->activate_recursive;	2323	$self->activate_recursive;
		2324
		2325	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2326	$self->enter_map ($map, $x, $y);
1814	}	2327	}
1815		2328
1816	cf::player->attach (	2329	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2330
1820	# abort map switching before logout	2331	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2332	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2333	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2334	the new (success) or old (failed) map position. In either case, $done will
1824	};	2335	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2336
1830	# try to abort aborted map switching on player login :)
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2337	=cut
		2338
		2339	our $GOTOGEN;
1851		2340
1852	sub cf::object::player::goto {	2341	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2342	my ($self, $path, $x, $y, $check, $done) = @_;
		2343
		2344	# do generation counting so two concurrent goto's will be executed in-order
		2345	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2346
1855	$self->enter_link;	2347	$self->enter_link;
1856		2348
1857	(async {	2349	(async {
1858	my $map = eval {	2350	my $map = eval {
1859	my $map = cf::map::find $path;	2351	my $map = cf::map::find $path;
		2352
		2353	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2354	$map = $map->customise_for ($self);
		2355	$map = $check->($map) if $check && $map;
		2356	} else {
		2357	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2358	}
		2359
1861	$map	2360	$map
		2361	};
		2362
		2363	if ($@) {
		2364	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2365	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2366	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2367
		2368	if ($gen == $self->{_goto_generation}) {
		2369	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2370	$self->leave_link ($map, $x, $y);
		2371	}
		2372
		2373	$done->() if $done;
1866	})->prio (1);	2374	})->prio (1);
1867	}	2375	}
1868		2376
1869	=item $player_object->enter_exit ($exit_object)	2377	=item $player_object->enter_exit ($exit_object)
1870		2378
…		…
1909		2417
1910	$rmp->{random_seed} ||= $exit->random_seed;	2418	$rmp->{random_seed} ||= $exit->random_seed;
1911		2419
1912	my $data = cf::to_json $rmp;	2420	my $data = cf::to_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2421	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2422	my $meta = "$RANDOMDIR/$md5.meta";
1915		2423
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2424	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2425	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2426	undef $fh;
1919	aio_rename "$meta~", $meta;	2427	aio_rename "$meta~", $meta;
…		…
1928		2436
1929	return unless $self->type == cf::PLAYER;	2437	return unless $self->type == cf::PLAYER;
1930		2438
1931	if ($exit->slaying eq "/!") {	2439	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job	2440	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2441	# the problem is that $exit might not survive long enough
		2442	# so it needs to be done right now, right here
1933	cf::sync_job { prepare_random_map $exit };	2443	cf::sync_job { prepare_random_map $exit };
1934	}	2444	}
1935		2445
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2446	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;	2447	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;	2448	my $sp = $exit->stats->sp;
1939		2449
1940	$self->enter_link;	2450	$self->enter_link;
		2451
		2452	# if exit is damned, update players death & WoR home-position
		2453	$self->contr->savebed ($slaying, $hp, $sp)
		2454	if $exit->flag (FLAG_DAMNED);
1941		2455
1942	(async {	2456	(async {
1943	$self->deactivate_recursive; # just to be sure	2457	$self->deactivate_recursive; # just to be sure
1944	unless (eval {	2458	unless (eval {
1945	$self->goto ($slaying, $hp, $sp);	2459	$self->goto ($slaying, $hp, $sp);
1946		2460
1947	1;	2461	1;
1948	}) {	2462	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2463	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2464	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2465	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2466	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2467
1954	warn "ERROR in enter_exit: $@";	2468	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2469	$self->leave_link;
1956	}	2470	}
1957	})->prio (1);	2471	})->prio (1);
…		…
1970		2484
1971	sub cf::client::send_drawinfo {	2485	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2486	my ($self, $text, $flags) = @_;
1973		2487
1974	utf8::encode $text;	2488	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2489	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2490	}
1977		2491
		2492	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2493
		2494	Send a drawinfo or msg packet to the client, formatting the msg for the
		2495	client if neccessary. C<$type> should be a string identifying the type of
		2496	the message, with C<log> being the default. If C<$color> is negative, suppress
		2497	the message unless the client supports the msg packet.
		2498
		2499	=cut
		2500
		2501	sub cf::client::send_msg {
		2502	my ($self, $channel, $msg, $color, @extra) = @_;
		2503
		2504	$msg = $self->pl->expand_cfpod ($msg);
		2505
		2506	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2507
		2508	if (ref $channel) {
		2509	# send meta info to client, if not yet sent
		2510	unless (exists $self->{channel}{$channel->{id}}) {
		2511	$self->{channel}{$channel->{id}} = $channel;
		2512	$self->ext_msg (channel_info => $channel);
		2513	}
		2514
		2515	$channel = $channel->{id};
		2516	}
		2517
		2518	return unless @extra || length $msg;
		2519
		2520	if ($self->can_msg) {
		2521	# default colour, mask it out
		2522	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2523	if $color & cf::NDI_DEF;
		2524
		2525	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2526	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2527	} else {
		2528	if ($color >= 0) {
		2529	# replace some tags by gcfclient-compatible ones
		2530	for ($msg) {
		2531	1 while
		2532	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2533	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2534	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2535	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2536	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2537	}
		2538
		2539	$color &= cf::NDI_COLOR_MASK;
		2540
		2541	utf8::encode $msg;
		2542
		2543	if (0 && $msg =~ /\[/) {
		2544	# COMMAND/INFO
		2545	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2546	} else {
		2547	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2548	$self->send_packet ("drawinfo $color $msg")
		2549	}
		2550	}
		2551	}
		2552	}
		2553
		2554	=item $client->ext_msg ($type, @msg)
		2555
		2556	Sends an ext event to the client.
		2557
		2558	=cut
		2559
		2560	sub cf::client::ext_msg($$@) {
		2561	my ($self, $type, @msg) = @_;
		2562
		2563	my $extcmd = $self->extcmd;
		2564
		2565	if ($extcmd == 2) {
		2566	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2567	} elsif ($extcmd == 1) { # TODO: remove
		2568	push @msg, msgtype => "event_$type";
		2569	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2570	}
		2571	}
		2572
		2573	=item $client->ext_reply ($msgid, @msg)
		2574
		2575	Sends an ext reply to the client.
		2576
		2577	=cut
		2578
		2579	sub cf::client::ext_reply($$@) {
		2580	my ($self, $id, @msg) = @_;
		2581
		2582	if ($self->extcmd == 2) {
		2583	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2584	} elsif ($self->ns->extcmd == 1) {
		2585	#TODO: version 1, remove
		2586	unshift @msg, msgtype => "reply", msgid => $id;
		2587	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2588	}
		2589	}
1978		2590
1979	=item $success = $client->query ($flags, "text", \&cb)	2591	=item $success = $client->query ($flags, "text", \&cb)
1980		2592
1981	Queues a query to the client, calling the given callback with	2593	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2594	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2595	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2596
1985	Queries can fail, so check the return code. Or don't, as queries will become	2597	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2598	become reliable at some point in the future.
1987		2599
1988	=cut	2600	=cut
1989		2601
1990	sub cf::client::query {	2602	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2603	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2611	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2612	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2613
2002	$self->send_packet ($self->{query_queue}[0][0])	2614	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2615	if @{ $self->{query_queue} } == 1;
		2616
		2617	1
2004	}	2618	}
2005		2619
2006	cf::client->attach (	2620	cf::client->attach (
		2621	on_connect => sub {
		2622	my ($ns) = @_;
		2623
		2624	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2625	},
2007	on_reply => sub {	2626	on_reply => sub {
2008	my ($ns, $msg) = @_;	2627	my ($ns, $msg) = @_;
2009		2628
2010	# this weird shuffling is so that direct followup queries	2629	# this weird shuffling is so that direct followup queries
2011	# get handled first	2630	# get handled first
…		…
2023	} else {	2642	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2643	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2644	}
2026	}	2645	}
2027	},	2646	},
		2647	on_exticmd => sub {
		2648	my ($ns, $buf) = @_;
		2649
		2650	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2651
		2652	if (ref $msg) {
		2653	my ($type, $reply, @payload) =
		2654	"ARRAY" eq ref $msg
		2655	? @$msg
		2656	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2657
		2658	my @reply;
		2659
		2660	if (my $cb = $EXTICMD{$type}) {
		2661	@reply = $cb->($ns, @payload);
		2662	}
		2663
		2664	$ns->ext_reply ($reply, @reply)
		2665	if $reply;
		2666
		2667	} else {
		2668	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2669	}
		2670
		2671	cf::override;
		2672	},
2028	);	2673	);
2029		2674
2030	=item $client->async (\&cb)	2675	=item $client->async (\&cb)
2031		2676
2032	Create a new coroutine, running the specified callback. The coroutine will	2677	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	2718	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	2719	our $safe_hole = new Safe::Hole;
2075		2720
2076	$SIG{FPE} = 'IGNORE';	2721	$SIG{FPE} = 'IGNORE';
2077		2722
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2723	$safe->permit_only (Opcode::opset qw(
		2724	:base_core :base_mem :base_orig :base_math
		2725	grepstart grepwhile mapstart mapwhile
		2726	sort time
		2727	));
2079		2728
2080	# here we export the classes and methods available to script code	2729	# here we export the classes and methods available to script code
2081		2730
2082	=pod	2731	=pod
2083		2732
2084	The following fucntions and emthods are available within a safe environment:	2733	The following functions and methods are available within a safe environment:
2085		2734
2086	cf::object contr pay_amount pay_player map	2735	cf::object
		2736	contr pay_amount pay_player map x y force_find force_add
		2737	insert remove name archname title slaying race
		2738
2087	cf::object::player player	2739	cf::object::player
2088	cf::player peaceful	2740	player
2089	cf::map trigger	2741
		2742	cf::player
		2743	peaceful
		2744
		2745	cf::map
		2746	trigger
2090		2747
2091	=cut	2748	=cut
2092		2749
2093	for (	2750	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	2751	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2752	insert remove inv name archname title slaying race)],
2095	["cf::object::player" => qw(player)],	2753	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	2754	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	2755	["cf::map" => qw(trigger)],
2098	) {	2756	) {
2099	no strict 'refs';	2757	no strict 'refs';
…		…
2170	=back	2828	=back
2171		2829
2172	=cut	2830	=cut
2173		2831
2174	#############################################################################	2832	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281
2282	#############################################################################
2283	# the server's init and main functions	2833	# the server's init and main functions
2284		2834
2285	sub load_resources {	2835	sub load_facedata($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2836	my ($path) = @_;
		2837
		2838	my $enc = JSON::XS->new->utf8->canonical;
		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"
2287	or die "unable to load regions file\n";#d#	2959	or die "unable to load regions file\n";
		2960
		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;
2288	}	3001	}
2289		3002
2290	sub cfg_load {	3003	sub cfg_load {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3004	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	3005	or return;
2293		3006
2294	local $/;	3007	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	3008	*CFG = YAML::Syck::Load <$fh>;
2296		3009
…		…
2304	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3017	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2305	and die "WARNING: m(un)lockall failed: $!\n";	3018	and die "WARNING: m(un)lockall failed: $!\n";
2306	};	3019	};
2307	warn $@ if $@;	3020	warn $@ if $@;
2308	}	3021	}
2309	}
2310
2311	sub init {
2312	load_resources;
2313	}	3022	}
2314		3023
2315	sub main {	3024	sub main {
2316	# we must not ever block the main coroutine	3025	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3026	local $Coro::idle = sub {
…		…
2320	Event::one_event;	3029	Event::one_event;
2321	})->prio (Coro::PRIO_MAX);	3030	})->prio (Coro::PRIO_MAX);
2322	};	3031	};
2323		3032
2324	cfg_load;	3033	cfg_load;
2325	db_load;	3034	db_init;
2326	load_extensions;	3035	load_extensions;
2327		3036
2328	$TICK_WATCHER->start;	3037	$TICK_WATCHER->start;
2329	Event::loop;	3038	Event::loop;
2330	}	3039	}
…		…
2345	},	3054	},
2346	);	3055	);
2347	}	3056	}
2348	}	3057	}
2349		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
2350	sub emergency_save() {	3097	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3098	my $freeze_guard = cf::freeze_mainloop;
2352		3099
2353	warn "enter emergency perl save\n";	3100	warn "enter emergency perl save\n";
2354		3101
…		…
2369	my $map = $cf::MAP{$path} or next;	3116	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3117	$map->valid or next;
2371	$map->save;	3118	$map->save;
2372	}	3119	}
2373	warn "end emergency map save\n";	3120	warn "end emergency map save\n";
		3121
		3122	warn "begin emergency database checkpoint\n";
		3123	BDB::db_env_txn_checkpoint $DB_ENV;
		3124	warn "end emergency database checkpoint\n";
2374	};	3125	};
2375		3126
2376	warn "leave emergency perl save\n";	3127	warn "leave emergency perl save\n";
2377	}	3128	}
2378		3129
		3130	sub post_cleanup {
		3131	my ($make_core) = @_;
		3132
		3133	warn Carp::longmess "post_cleanup backtrace"
		3134	if $make_core;
		3135	}
		3136
2379	sub reload() {	3137	sub do_reload_perl() {
2380	# can/must only be called in main	3138	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3139	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3140	warn "can only reload from main coroutine";
2383	return;	3141	return;
2384	}	3142	}
2385		3143
2386	warn "reloading...";	3144	warn "reloading...";
2387		3145
2388	warn "cancelling server ticker";	3146	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3147
		3148	cf::sync_job {
		3149	cf::write_runtime; # external watchdog should not bark
2391	cf::emergency_save;	3150	cf::emergency_save;
		3151	cf::write_runtime; # external watchdog should not bark
2392		3152
2393	eval {	3153	warn "syncing database to disk";
		3154	BDB::db_env_txn_checkpoint $DB_ENV;
		3155
2394	# 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
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398		3157
2399	warn "cancelling all WF_AUTOCANCEL watchers";	3158	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {	3159	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;	3160	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}	3161	}
2403		3162
2404	warn "flushing outstanding aio requests";	3163	warn "flushing outstanding aio requests";
2405	for (;;) {	3164	for (;;) {
		3165	BDB::flush;
2406	IO::AIO::flush;	3166	IO::AIO::flush;
2407	Coro::cede;	3167	Coro::cede;
2408	last unless IO::AIO::nreqs;	3168	last unless IO::AIO::nreqs || BDB::nreqs;
2409	warn "iterate...";	3169	warn "iterate...";
2410	}	3170	}
		3171
		3172	++$RELOAD;
2411		3173
2412	warn "cancelling all extension coros";	3174	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3175	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3176	%EXT_CORO = ();
2415		3177
2416	warn "removing commands";	3178	warn "removing commands";
2417	%COMMAND = ();	3179	%COMMAND = ();
2418		3180
2419	warn "removing ext commands";	3181	warn "removing ext/exti commands";
2420	%EXTCMD = ();	3182	%EXTCMD = ();
		3183	%EXTICMD = ();
2421		3184
2422	warn "unloading/nuking all extensions";	3185	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3186	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3187	warn "... unloading $pkg";
2425		3188
…		…
2455	Symbol::delete_package "safe::$_"	3218	Symbol::delete_package "safe::$_"
2456	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);
2457		3220
2458	warn "unloading cf.pm \"a bit\"";	3221	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3222	delete $INC{"cf.pm"};
		3223	delete $INC{"cf/pod.pm"};
2460		3224
2461	# don't, removes xs symbols, too,	3225	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3226	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3227	#Symbol::delete_package __PACKAGE__;
2464		3228
…		…
2468	require cf;	3232	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3233	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3234
2471	warn "loading config and database again";	3235	warn "loading config and database again";
2472	cf::cfg_load;	3236	cf::cfg_load;
2473	cf::db_load;
2474		3237
2475	warn "loading extensions";	3238	warn "loading extensions";
2476	cf::load_extensions;	3239	cf::load_extensions;
2477		3240
2478	warn "reattaching attachments to objects/players";	3241	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3242	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3243	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3244	reattach $_ for values %MAP;
		3245	warn "reattaching attachments to players";
		3246	reattach $_ for values %PLAYER;
2482		3247
2483	warn "loading reloadable resources";	3248	warn "leaving sync_job";
2484	load_resources;
2485		3249
2486	warn "restarting server ticker";	3250	1
2487		3251	} or do {
2488	$TICK_WATCHER->start;
2489	};
2490
2491	if ($@) {
2492	warn $@;	3252	warn $@;
2493	warn "error while reloading, exiting.";	3253	warn "error while reloading, exiting.";
2494	exit 1;	3254	exit 1;
2495	}	3255	};
2496		3256
2497	warn "reloaded";	3257	warn "reloaded";
2498	};	3258	};
2499		3259
2500	our $RELOAD_WATCHER; # used only during reload	3260	our $RELOAD_WATCHER; # used only during reload
2501		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
2502	register_command "reload" => sub {	3277	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3278	my ($who, $arg) = @_;
2504		3279
2505	if ($who->flag (FLAG_WIZ)) {	3280	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3281	$who->message ("reloading server.");
2507		3282	async { reload_perl };
2508	# doing reload synchronously and two reloads happen back-to-back,
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);
2520	}	3283	}
2521	};	3284	};
2522		3285
2523	unshift @INC, $LIBDIR;	3286	unshift @INC, $LIBDIR;
2524		3287
2525	my $bug_warning = 0;	3288	my $bug_warning = 0;
2526		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;
2527	$TICK_WATCHER = Event->timer (	3313	$TICK_WATCHER = Event->timer (
2528	reentrant => 0,	3314	reentrant => 0,
2529	parked => 1,	3315	parked => 1,
2530	prio => 0,	3316	prio => 0,
2531	at => $NEXT_TICK || $TICK,	3317	at => $NEXT_TICK || $TICK,
…		…
2535	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"
2536	unless ++$bug_warning > 10;	3322	unless ++$bug_warning > 10;
2537	return;	3323	return;
2538	}	3324	}
2539		3325
2540	$NOW = Event::time;	3326	$NOW = $tick_start = Event::time;
2541		3327
2542	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
2543	$RUNTIME += $TICK;	3353	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;	3354	$NEXT_TICK += $TICK;
2545		3355
2546	$WAIT_FOR_TICK->broadcast;	3356	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3357	$NEXT_RUNTIME_WRITE = $NOW + 10;
2548		3358	Coro::async_pool {
2549	Event::sweep;	3359	write_runtime
2550	Coro::cede_notself;	3360	or warn "ERROR: unable to write runtime file: $!";
		3361	};
2551		3362	}
		3363
2552	# my $AFTER = Event::time;	3364	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#	3365	# warn $AFTER - $NOW;#d#
2554		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
2555	# 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
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3377	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2557		3378
2558	$TICK_WATCHER->at ($NEXT_TICK);	3379	$TICK_WATCHER->at ($NEXT_TICK);
2559	$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
2560	},	3388	},
2561	);	3389	);
2562		3390
2563	{	3391	{
2564	BDB::max_poll_time $TICK * 0.1;	3392	BDB::max_poll_time $TICK * 0.1;
…		…
2589		3417
2590	unless ($DB_ENV) {	3418	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3419	$DB_ENV = BDB::db_env_create;
2592		3420
2593	cf::sync_job {	3421	cf::sync_job {
		3422	eval {
2594	BDB::db_env_open	3423	BDB::db_env_open
2595	$DB_ENV,	3424	$DB_ENV,
2596	$BDB_ENV_DIR,	3425	$BDBDIR,
2597	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
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3427	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3428	0666;
2600		3429
2601	cf::cleanup "$!" if $!;	3430	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3431
2603	$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);
2604	$DB_ENV->set_lk_detect;	3433	$DB_ENV->set_lk_detect;
		3434	};
		3435
		3436	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	3437	};
2606	}	3438	}
2607	}	3439	}
2608		3440
2609	{	3441	{
…		…
2611		3443
2612	undef $Coro::AIO::WATCHER;	3444	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	3445	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	3446	$AIO_POLL_WATCHER = Event->io (
2615	reentrant => 0,	3447	reentrant => 0,
		3448	data => WF_AUTOCANCEL,
2616	fd => IO::AIO::poll_fileno,	3449	fd => IO::AIO::poll_fileno,
2617	poll => 'r',	3450	poll => 'r',
2618	prio => 6,	3451	prio => 6,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,	3452	cb => \&IO::AIO::poll_cb,
2621	);	3453	);
2622	}	3454	}
2623		3455
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	3456	my $_log_backtrace;
2625	reentrant => 0,	3457
2626	data => WF_AUTOCANCEL,	3458	sub _log_backtrace {
2627	after => 1,	3459	my ($msg, @addr) = @_;
2628	interval => 10,	3460
2629	prio => 6, # keep it lowest so it acts like a watchdog	3461	$msg =~ s/\n//;
2630	cb => Coro::unblock_sub {	3462
2631	write_runtime	3463	# limit the # of concurrent backtraces
2632	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";
2633	},	3491	}
2634	);	3492	}
		3493
		3494	# load additional modules
		3495	use cf::pod;
2635		3496
2636	END { cf::emergency_save }	3497	END { cf::emergency_save }
2637		3498
2638	1	3499	1
2639		3500

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