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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 1.338 by root, Tue Aug 21 01:07:47 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
…		…
1517		1966
1518	undef $MAP_PREFETCH{$path};	1967	undef $MAP_PREFETCH{$path};
1519	$MAP_PREFETCHER ||= cf::async {	1968	$MAP_PREFETCHER ||= cf::async {
1520	while (%MAP_PREFETCH) {	1969	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	1970	for my $path (keys %MAP_PREFETCH) {
1522	my $map = find $path	1971	if (my $map = find $path) {
1523	or next;
1524	$map->load;	1972	$map->load;
		1973	}
1525		1974
1526	delete $MAP_PREFETCH{$path};	1975	delete $MAP_PREFETCH{$path};
1527	}	1976	}
1528	}	1977	}
1529	undef $MAP_PREFETCHER;	1978	undef $MAP_PREFETCHER;
…		…
1581		2030
1582	sub reset_at {	2031	sub reset_at {
1583	my ($self) = @_;	2032	my ($self) = @_;
1584		2033
1585	# TODO: safety, remove and allow resettable per-player maps	2034	# 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};	2035	return 1e99 if $self->{deny_reset};
1588		2036
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2037	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2038	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2039
…		…
1602	my ($self) = @_;	2050	my ($self) = @_;
1603		2051
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2052	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2053
1606	return if $self->players;	2054	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2055
1609	warn "resetting map ", $self->path;#d#	2056	warn "resetting map ", $self->path;
		2057
		2058	$self->in_memory (cf::MAP_SWAPPED);
		2059
		2060	# need to save uniques path
		2061	unless ($self->{deny_save}) {
		2062	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2063
		2064	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2065	if $uniq;
		2066	}
1610		2067
1611	delete $cf::MAP{$self->path};	2068	delete $cf::MAP{$self->path};
1612		2069
1613	$self->in_memory (cf::MAP_SWAPPED);
1614	$self->clear;	2070	$self->clear;
1615		2071
1616	$_->clear_links_to ($self) for values %cf::MAP;	2072	$_->clear_links_to ($self) for values %cf::MAP;
1617		2073
1618	$self->unlink_save;	2074	$self->unlink_save;
…		…
1637	$cf::MAP{$self->path} = $self;	2093	$cf::MAP{$self->path} = $self;
1638		2094
1639	$self->reset; # polite request, might not happen	2095	$self->reset; # polite request, might not happen
1640	}	2096	}
1641		2097
		2098	=item $maps = cf::map::tmp_maps
		2099
		2100	Returns an arrayref with all map paths of currently instantiated and saved
		2101	maps. May block.
		2102
		2103	=cut
		2104
		2105	sub tmp_maps() {
		2106	[
		2107	map {
		2108	utf8::decode $_;
		2109	/\.map$/
		2110	? normalise $_
		2111	: ()
		2112	} @{ aio_readdir $TMPDIR or [] }
		2113	]
		2114	}
		2115
		2116	=item $maps = cf::map::random_maps
		2117
		2118	Returns an arrayref with all map paths of currently instantiated and saved
		2119	random maps. May block.
		2120
		2121	=cut
		2122
		2123	sub random_maps() {
		2124	[
		2125	map {
		2126	utf8::decode $_;
		2127	/\.map$/
		2128	? normalise "?random/$_"
		2129	: ()
		2130	} @{ aio_readdir $RANDOMDIR or [] }
		2131	]
		2132	}
		2133
1642	=item cf::map::unique_maps	2134	=item cf::map::unique_maps
1643		2135
1644	Returns an arrayref of paths of all shared maps that have	2136	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2137	instantiated unique items. May block.
1646		2138
1647	=cut	2139	=cut
1648		2140
1649	sub unique_maps() {	2141	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2142	[
1651	or return;	2143	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2144	utf8::decode $_;
1657	next if /\.pst$/;	2145	/\.map$/
1658	next unless /^$PATH_SEP/o;	2146	? normalise $_
1659		2147	: ()
1660	push @paths, cf::map::normalise $_;	2148	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2149	]
1662
1663	\@paths
1664	}	2150	}
1665		2151
1666	package cf;	2152	package cf;
1667		2153
1668	=back	2154	=back
…		…
1714		2200
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2201	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2202
1717	if ($self->{record_replies}) {	2203	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2204	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2205
1719	} else {	2206	} else {
		2207	my $pl = $self->contr;
		2208
		2209	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2210	my $dialog = $pl->{npc_dialog};
		2211	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2212
		2213	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2214	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2215	$self->message ($msg, $flags);
		2216	}
1722	}	2217	}
		2218	}
		2219
		2220	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2221
		2222	=cut
		2223
		2224	sub cf::object::send_msg {
		2225	my $pl = shift->contr
		2226	or return;
		2227	$pl->send_msg (@_);
1723	}	2228	}
1724		2229
1725	=item $player_object->may ("access")	2230	=item $player_object->may ("access")
1726		2231
1727	Returns wether the given player is authorized to access resource "access"	2232	Returns wether the given player is authorized to access resource "access"
…		…
1774	$self->deactivate_recursive;	2279	$self->deactivate_recursive;
1775		2280
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2281	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2282
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2283	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2284	if $self->map && $self->map->{path} ne "{link}";
1780		2285
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2286	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2287	}
1783		2288
1784	sub cf::object::player::leave_link {	2289	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2290	my ($self, $map, $x, $y) = @_;
		2291
		2292	return unless $self->contr->active;
1786		2293
1787	my $link_pos = delete $self->{_link_pos};	2294	my $link_pos = delete $self->{_link_pos};
1788		2295
1789	unless ($map) {	2296	unless ($map) {
1790	# restore original map position	2297	# restore original map position
…		…
1804	# use -1 or undef as default coordinates, not 0, 0	2311	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2312	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2313	if $x <=0 && $y <= 0;
1807		2314
1808	$map->load;	2315	$map->load;
1809	$map->load_diag;	2316	$map->load_neighbours;
1810		2317
1811	return unless $self->contr->active;	2318	return unless $self->contr->active;
1812	$self->activate_recursive;	2319	$self->activate_recursive;
		2320
		2321	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2322	$self->enter_map ($map, $x, $y);
1814	}	2323	}
1815		2324
1816	cf::player->attach (	2325	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2326
1820	# abort map switching before logout	2327	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2328	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2329	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2330	the new (success) or old (failed) map position. In either case, $done will
1824	};	2331	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2332
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	2333	=cut
		2334
		2335	our $GOTOGEN;
1851		2336
1852	sub cf::object::player::goto {	2337	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2338	my ($self, $path, $x, $y, $check, $done) = @_;
		2339
		2340	# do generation counting so two concurrent goto's will be executed in-order
		2341	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2342
1855	$self->enter_link;	2343	$self->enter_link;
1856		2344
1857	(async {	2345	(async {
1858	my $map = eval {	2346	my $map = eval {
1859	my $map = cf::map::find $path;	2347	my $map = cf::map::find $path;
		2348
		2349	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2350	$map = $map->customise_for ($self);
		2351	$map = $check->($map) if $check && $map;
		2352	} else {
		2353	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2354	}
		2355
1861	$map	2356	$map
		2357	};
		2358
		2359	if ($@) {
		2360	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2361	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2362	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2363
		2364	if ($gen == $self->{_goto_generation}) {
		2365	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2366	$self->leave_link ($map, $x, $y);
		2367	}
		2368
		2369	$done->() if $done;
1866	})->prio (1);	2370	})->prio (1);
1867	}	2371	}
1868		2372
1869	=item $player_object->enter_exit ($exit_object)	2373	=item $player_object->enter_exit ($exit_object)
1870		2374
…		…
1909		2413
1910	$rmp->{random_seed} ||= $exit->random_seed;	2414	$rmp->{random_seed} ||= $exit->random_seed;
1911		2415
1912	my $data = cf::to_json $rmp;	2416	my $data = cf::to_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2417	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2418	my $meta = "$RANDOMDIR/$md5.meta";
1915		2419
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2420	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2421	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2422	undef $fh;
1919	aio_rename "$meta~", $meta;	2423	aio_rename "$meta~", $meta;
…		…
1928		2432
1929	return unless $self->type == cf::PLAYER;	2433	return unless $self->type == cf::PLAYER;
1930		2434
1931	if ($exit->slaying eq "/!") {	2435	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job	2436	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2437	# the problem is that $exit might not survive long enough
		2438	# so it needs to be done right now, right here
1933	cf::sync_job { prepare_random_map $exit };	2439	cf::sync_job { prepare_random_map $exit };
1934	}	2440	}
1935		2441
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2442	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;	2443	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;	2444	my $sp = $exit->stats->sp;
1939		2445
1940	$self->enter_link;	2446	$self->enter_link;
		2447
		2448	# if exit is damned, update players death & WoR home-position
		2449	$self->contr->savebed ($slaying, $hp, $sp)
		2450	if $exit->flag (FLAG_DAMNED);
1941		2451
1942	(async {	2452	(async {
1943	$self->deactivate_recursive; # just to be sure	2453	$self->deactivate_recursive; # just to be sure
1944	unless (eval {	2454	unless (eval {
1945	$self->goto ($slaying, $hp, $sp);	2455	$self->goto ($slaying, $hp, $sp);
1946		2456
1947	1;	2457	1;
1948	}) {	2458	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2459	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2460	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2461	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2462	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2463
1954	warn "ERROR in enter_exit: $@";	2464	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2465	$self->leave_link;
1956	}	2466	}
1957	})->prio (1);	2467	})->prio (1);
…		…
1970		2480
1971	sub cf::client::send_drawinfo {	2481	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2482	my ($self, $text, $flags) = @_;
1973		2483
1974	utf8::encode $text;	2484	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2485	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2486	}
1977		2487
		2488	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2489
		2490	Send a drawinfo or msg packet to the client, formatting the msg for the
		2491	client if neccessary. C<$type> should be a string identifying the type of
		2492	the message, with C<log> being the default. If C<$color> is negative, suppress
		2493	the message unless the client supports the msg packet.
		2494
		2495	=cut
		2496
		2497	sub cf::client::send_msg {
		2498	my ($self, $channel, $msg, $color, @extra) = @_;
		2499
		2500	$msg = $self->pl->expand_cfpod ($msg);
		2501
		2502	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2503
		2504	if (ref $channel) {
		2505	# send meta info to client, if not yet sent
		2506	unless (exists $self->{channel}{$channel->{id}}) {
		2507	$self->{channel}{$channel->{id}} = $channel;
		2508	$self->ext_msg (channel_info => $channel);
		2509	}
		2510
		2511	$channel = $channel->{id};
		2512	}
		2513
		2514	return unless @extra || length $msg;
		2515
		2516	if ($self->can_msg) {
		2517	# default colour, mask it out
		2518	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2519	if $color & cf::NDI_DEF;
		2520
		2521	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2522	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2523	} else {
		2524	if ($color >= 0) {
		2525	# replace some tags by gcfclient-compatible ones
		2526	for ($msg) {
		2527	1 while
		2528	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2529	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2530	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2531	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2532	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2533	}
		2534
		2535	$color &= cf::NDI_COLOR_MASK;
		2536
		2537	utf8::encode $msg;
		2538
		2539	if (0 && $msg =~ /\[/) {
		2540	# COMMAND/INFO
		2541	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2542	} else {
		2543	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2544	$self->send_packet ("drawinfo $color $msg")
		2545	}
		2546	}
		2547	}
		2548	}
		2549
		2550	=item $client->ext_msg ($type, @msg)
		2551
		2552	Sends an ext event to the client.
		2553
		2554	=cut
		2555
		2556	sub cf::client::ext_msg($$@) {
		2557	my ($self, $type, @msg) = @_;
		2558
		2559	my $extcmd = $self->extcmd;
		2560
		2561	if ($extcmd == 2) {
		2562	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2563	} elsif ($extcmd == 1) { # TODO: remove
		2564	push @msg, msgtype => "event_$type";
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2566	}
		2567	}
		2568
		2569	=item $client->ext_reply ($msgid, @msg)
		2570
		2571	Sends an ext reply to the client.
		2572
		2573	=cut
		2574
		2575	sub cf::client::ext_reply($$@) {
		2576	my ($self, $id, @msg) = @_;
		2577
		2578	if ($self->extcmd == 2) {
		2579	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2580	} elsif ($self->ns->extcmd == 1) {
		2581	#TODO: version 1, remove
		2582	unshift @msg, msgtype => "reply", msgid => $id;
		2583	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2584	}
		2585	}
1978		2586
1979	=item $success = $client->query ($flags, "text", \&cb)	2587	=item $success = $client->query ($flags, "text", \&cb)
1980		2588
1981	Queues a query to the client, calling the given callback with	2589	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>,	2590	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>.	2591	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2592
1985	Queries can fail, so check the return code. Or don't, as queries will become	2593	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2594	become reliable at some point in the future.
1987		2595
1988	=cut	2596	=cut
1989		2597
1990	sub cf::client::query {	2598	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2599	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2607	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2608	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2609
2002	$self->send_packet ($self->{query_queue}[0][0])	2610	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2611	if @{ $self->{query_queue} } == 1;
		2612
		2613	1
2004	}	2614	}
2005		2615
2006	cf::client->attach (	2616	cf::client->attach (
		2617	on_connect => sub {
		2618	my ($ns) = @_;
		2619
		2620	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2621	},
2007	on_reply => sub {	2622	on_reply => sub {
2008	my ($ns, $msg) = @_;	2623	my ($ns, $msg) = @_;
2009		2624
2010	# this weird shuffling is so that direct followup queries	2625	# this weird shuffling is so that direct followup queries
2011	# get handled first	2626	# get handled first
…		…
2023	} else {	2638	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2639	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2640	}
2026	}	2641	}
2027	},	2642	},
		2643	on_exticmd => sub {
		2644	my ($ns, $buf) = @_;
		2645
		2646	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2647
		2648	if (ref $msg) {
		2649	my ($type, $reply, @payload) =
		2650	"ARRAY" eq ref $msg
		2651	? @$msg
		2652	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2653
		2654	my @reply;
		2655
		2656	if (my $cb = $EXTICMD{$type}) {
		2657	@reply = $cb->($ns, @payload);
		2658	}
		2659
		2660	$ns->ext_reply ($reply, @reply)
		2661	if $reply;
		2662
		2663	} else {
		2664	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2665	}
		2666
		2667	cf::override;
		2668	},
2028	);	2669	);
2029		2670
2030	=item $client->async (\&cb)	2671	=item $client->async (\&cb)
2031		2672
2032	Create a new coroutine, running the specified callback. The coroutine will	2673	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	2714	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	2715	our $safe_hole = new Safe::Hole;
2075		2716
2076	$SIG{FPE} = 'IGNORE';	2717	$SIG{FPE} = 'IGNORE';
2077		2718
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2719	$safe->permit_only (Opcode::opset qw(
		2720	:base_core :base_mem :base_orig :base_math
		2721	grepstart grepwhile mapstart mapwhile
		2722	sort time
		2723	));
2079		2724
2080	# here we export the classes and methods available to script code	2725	# here we export the classes and methods available to script code
2081		2726
2082	=pod	2727	=pod
2083		2728
2084	The following fucntions and emthods are available within a safe environment:	2729	The following functions and methods are available within a safe environment:
2085		2730
2086	cf::object contr pay_amount pay_player map	2731	cf::object
		2732	contr pay_amount pay_player map x y force_find force_add
		2733	insert remove name archname title slaying race
		2734
2087	cf::object::player player	2735	cf::object::player
2088	cf::player peaceful	2736	player
2089	cf::map trigger	2737
		2738	cf::player
		2739	peaceful
		2740
		2741	cf::map
		2742	trigger
2090		2743
2091	=cut	2744	=cut
2092		2745
2093	for (	2746	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	2747	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2748	insert remove inv name archname title slaying race)],
2095	["cf::object::player" => qw(player)],	2749	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	2750	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	2751	["cf::map" => qw(trigger)],
2098	) {	2752	) {
2099	no strict 'refs';	2753	no strict 'refs';
…		…
2170	=back	2824	=back
2171		2825
2172	=cut	2826	=cut
2173		2827
2174	#############################################################################	2828	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$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	2829	# the server's init and main functions
2284		2830
2285	sub load_resources {	2831	sub load_facedata($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2832	my ($path) = @_;
		2833
		2834	my $enc = JSON::XS->new->utf8->canonical;
		2835
		2836	warn "loading facedata from $path\n";
		2837
		2838	my $facedata;
		2839	0 < aio_load $path, $facedata
		2840	or die "$path: $!";
		2841
		2842	$facedata = Coro::Storable::thaw $facedata;
		2843
		2844	$facedata->{version} == 2
		2845	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2846
		2847	# patch in the exptable
		2848	$facedata->{resource}{"res/exp_table"} = {
		2849	type => FT_RSRC,
		2850	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2851	};
		2852	cf::cede_to_tick;
		2853
		2854	{
		2855	my $faces = $facedata->{faceinfo};
		2856
		2857	while (my ($face, $info) = each %$faces) {
		2858	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2859	cf::face::set_visibility $idx, $info->{visibility};
		2860	cf::face::set_magicmap $idx, $info->{magicmap};
		2861	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2862	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		2863
		2864	cf::cede_to_tick;
		2865	}
		2866
		2867	while (my ($face, $info) = each %$faces) {
		2868	next unless $info->{smooth};
		2869	my $idx = cf::face::find $face
		2870	or next;
		2871	if (my $smooth = cf::face::find $info->{smooth}) {
		2872	cf::face::set_smooth $idx, $smooth;
		2873	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2874	} else {
		2875	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2876	}
		2877
		2878	cf::cede_to_tick;
		2879	}
		2880	}
		2881
		2882	{
		2883	my $anims = $facedata->{animinfo};
		2884
		2885	while (my ($anim, $info) = each %$anims) {
		2886	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2887	cf::cede_to_tick;
		2888	}
		2889
		2890	cf::anim::invalidate_all; # d'oh
		2891	}
		2892
		2893	{
		2894	# TODO: for gcfclient pleasure, we should give resources
		2895	# that gcfclient doesn't grok a >10000 face index.
		2896	my $res = $facedata->{resource};
		2897
		2898	my $soundconf = delete $res->{"res/sound.conf"};
		2899
		2900	while (my ($name, $info) = each %$res) {
		2901	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2902	my $data;
		2903
		2904	if ($info->{type} & 1) {
		2905	# prepend meta info
		2906
		2907	my $meta = $enc->encode ({
		2908	name => $name,
		2909	%{ $info->{meta} || {} },
		2910	});
		2911
		2912	$data = pack "(w/a*)*", $meta, $info->{data};
		2913	} else {
		2914	$data = $info->{data};
		2915	}
		2916
		2917	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2918	cf::face::set_type $idx, $info->{type};
		2919
		2920	cf::cede_to_tick;
		2921	}
		2922
		2923	if ($soundconf) {
		2924	$soundconf = $enc->decode (delete $soundconf->{data});
		2925
		2926	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2927	my $sound = $soundconf->{compat}[$_]
		2928	or next;
		2929
		2930	my $face = cf::face::find "sound/$sound->[1]";
		2931	cf::sound::set $sound->[0] => $face;
		2932	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2933	}
		2934
		2935	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2936	my $face = cf::face::find "sound/$v";
		2937	cf::sound::set $k => $face;
		2938	}
		2939	}
		2940	}
		2941
		2942	1
		2943	}
		2944
		2945	register_exticmd fx_want => sub {
		2946	my ($ns, $want) = @_;
		2947
		2948	while (my ($k, $v) = each %$want) {
		2949	$ns->fx_want ($k, $v);
		2950	}
		2951	};
		2952
		2953	sub reload_regions {
		2954	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	2955	or die "unable to load regions file\n";
		2956
		2957	for (cf::region::list) {
		2958	$_->{match} = qr/$_->{match}/
		2959	if exists $_->{match};
		2960	}
		2961	}
		2962
		2963	sub reload_facedata {
		2964	load_facedata "$DATADIR/facedata"
		2965	or die "unable to load facedata\n";
		2966	}
		2967
		2968	sub reload_archetypes {
		2969	load_resource_file "$DATADIR/archetypes"
		2970	or die "unable to load archetypes\n";
		2971	#d# NEED to laod twice to resolve forward references
		2972	# this really needs to be done in an extra post-pass
		2973	# (which needs to be synchronous, so solve it differently)
		2974	load_resource_file "$DATADIR/archetypes"
		2975	or die "unable to load archetypes\n";
		2976	}
		2977
		2978	sub reload_treasures {
		2979	load_resource_file "$DATADIR/treasures"
		2980	or die "unable to load treasurelists\n";
		2981	}
		2982
		2983	sub reload_resources {
		2984	warn "reloading resource files...\n";
		2985
		2986	reload_regions;
		2987	reload_facedata;
		2988	#reload_archetypes;#d#
		2989	reload_archetypes;
		2990	reload_treasures;
		2991
		2992	warn "finished reloading resource files\n";
		2993	}
		2994
		2995	sub init {
		2996	reload_resources;
2288	}	2997	}
2289		2998
2290	sub cfg_load {	2999	sub cfg_load {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3000	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	3001	or return;
2293		3002
2294	local $/;	3003	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	3004	*CFG = YAML::Syck::Load <$fh>;
2296		3005
…		…
2304	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3013	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2305	and die "WARNING: m(un)lockall failed: $!\n";	3014	and die "WARNING: m(un)lockall failed: $!\n";
2306	};	3015	};
2307	warn $@ if $@;	3016	warn $@ if $@;
2308	}	3017	}
2309	}
2310
2311	sub init {
2312	load_resources;
2313	}	3018	}
2314		3019
2315	sub main {	3020	sub main {
2316	# we must not ever block the main coroutine	3021	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3022	local $Coro::idle = sub {
…		…
2320	Event::one_event;	3025	Event::one_event;
2321	})->prio (Coro::PRIO_MAX);	3026	})->prio (Coro::PRIO_MAX);
2322	};	3027	};
2323		3028
2324	cfg_load;	3029	cfg_load;
2325	db_load;	3030	db_init;
2326	load_extensions;	3031	load_extensions;
2327		3032
2328	$TICK_WATCHER->start;	3033	$TICK_WATCHER->start;
2329	Event::loop;	3034	Event::loop;
2330	}	3035	}
…		…
2345	},	3050	},
2346	);	3051	);
2347	}	3052	}
2348	}	3053	}
2349		3054
		3055	sub write_runtime {
		3056	my $runtime = "$LOCALDIR/runtime";
		3057
		3058	# first touch the runtime file to show we are still running:
		3059	# the fsync below can take a very very long time.
		3060
		3061	IO::AIO::aio_utime $runtime, undef, undef;
		3062
		3063	my $guard = cf::lock_acquire "write_runtime";
		3064
		3065	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3066	or return;
		3067
		3068	my $value = $cf::RUNTIME + 90 + 10;
		3069	# 10 is the runtime save interval, for a monotonic clock
		3070	# 60 allows for the watchdog to kill the server.
		3071
		3072	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3073	and return;
		3074
		3075	# always fsync - this file is important
		3076	aio_fsync $fh
		3077	and return;
		3078
		3079	# touch it again to show we are up-to-date
		3080	aio_utime $fh, undef, undef;
		3081
		3082	close $fh
		3083	or return;
		3084
		3085	aio_rename "$runtime~", $runtime
		3086	and return;
		3087
		3088	warn "runtime file written.\n";
		3089
		3090	1
		3091	}
		3092
2350	sub emergency_save() {	3093	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3094	my $freeze_guard = cf::freeze_mainloop;
2352		3095
2353	warn "enter emergency perl save\n";	3096	warn "enter emergency perl save\n";
2354		3097
…		…
2369	my $map = $cf::MAP{$path} or next;	3112	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3113	$map->valid or next;
2371	$map->save;	3114	$map->save;
2372	}	3115	}
2373	warn "end emergency map save\n";	3116	warn "end emergency map save\n";
		3117
		3118	warn "begin emergency database checkpoint\n";
		3119	BDB::db_env_txn_checkpoint $DB_ENV;
		3120	warn "end emergency database checkpoint\n";
2374	};	3121	};
2375		3122
2376	warn "leave emergency perl save\n";	3123	warn "leave emergency perl save\n";
2377	}	3124	}
2378		3125
		3126	sub post_cleanup {
		3127	my ($make_core) = @_;
		3128
		3129	warn Carp::longmess "post_cleanup backtrace"
		3130	if $make_core;
		3131	}
		3132
2379	sub reload() {	3133	sub do_reload_perl() {
2380	# can/must only be called in main	3134	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3135	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3136	warn "can only reload from main coroutine";
2383	return;	3137	return;
2384	}	3138	}
2385		3139
2386	warn "reloading...";	3140	warn "reloading...";
2387		3141
2388	warn "cancelling server ticker";	3142	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3143
		3144	cf::sync_job {
		3145	cf::write_runtime; # external watchdog should not bark
2391	cf::emergency_save;	3146	cf::emergency_save;
		3147	cf::write_runtime; # external watchdog should not bark
2392		3148
2393	eval {	3149	warn "syncing database to disk";
		3150	BDB::db_env_txn_checkpoint $DB_ENV;
		3151
2394	# if anything goes wrong in here, we should simply crash as we already saved	3152	# 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		3153
2399	warn "cancelling all WF_AUTOCANCEL watchers";	3154	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {	3155	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;	3156	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}	3157	}
2403		3158
2404	warn "flushing outstanding aio requests";	3159	warn "flushing outstanding aio requests";
2405	for (;;) {	3160	for (;;) {
		3161	BDB::flush;
2406	IO::AIO::flush;	3162	IO::AIO::flush;
2407	Coro::cede;	3163	Coro::cede;
2408	last unless IO::AIO::nreqs;	3164	last unless IO::AIO::nreqs || BDB::nreqs;
2409	warn "iterate...";	3165	warn "iterate...";
2410	}	3166	}
		3167
		3168	++$RELOAD;
2411		3169
2412	warn "cancelling all extension coros";	3170	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3171	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3172	%EXT_CORO = ();
2415		3173
2416	warn "removing commands";	3174	warn "removing commands";
2417	%COMMAND = ();	3175	%COMMAND = ();
2418		3176
2419	warn "removing ext commands";	3177	warn "removing ext/exti commands";
2420	%EXTCMD = ();	3178	%EXTCMD = ();
		3179	%EXTICMD = ();
2421		3180
2422	warn "unloading/nuking all extensions";	3181	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3182	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3183	warn "... unloading $pkg";
2425		3184
…		…
2455	Symbol::delete_package "safe::$_"	3214	Symbol::delete_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3215	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3216
2458	warn "unloading cf.pm \"a bit\"";	3217	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3218	delete $INC{"cf.pm"};
		3219	delete $INC{"cf/pod.pm"};
2460		3220
2461	# don't, removes xs symbols, too,	3221	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3222	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3223	#Symbol::delete_package __PACKAGE__;
2464		3224
…		…
2468	require cf;	3228	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3229	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3230
2471	warn "loading config and database again";	3231	warn "loading config and database again";
2472	cf::cfg_load;	3232	cf::cfg_load;
2473	cf::db_load;
2474		3233
2475	warn "loading extensions";	3234	warn "loading extensions";
2476	cf::load_extensions;	3235	cf::load_extensions;
2477		3236
2478	warn "reattaching attachments to objects/players";	3237	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3238	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3239	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3240	reattach $_ for values %MAP;
		3241	warn "reattaching attachments to players";
		3242	reattach $_ for values %PLAYER;
2482		3243
2483	warn "loading reloadable resources";	3244	warn "leaving sync_job";
2484	load_resources;
2485		3245
2486	warn "restarting server ticker";	3246	1
2487		3247	} or do {
2488	$TICK_WATCHER->start;
2489	};
2490
2491	if ($@) {
2492	warn $@;	3248	warn $@;
2493	warn "error while reloading, exiting.";	3249	warn "error while reloading, exiting.";
2494	exit 1;	3250	exit 1;
2495	}	3251	};
2496		3252
2497	warn "reloaded";	3253	warn "reloaded";
2498	};	3254	};
2499		3255
2500	our $RELOAD_WATCHER; # used only during reload	3256	our $RELOAD_WATCHER; # used only during reload
2501		3257
		3258	sub reload_perl() {
		3259	# doing reload synchronously and two reloads happen back-to-back,
		3260	# coro crashes during coro_state_free->destroy here.
		3261
		3262	$RELOAD_WATCHER ||= Event->timer (
		3263	reentrant => 0,
		3264	after => 0,
		3265	data => WF_AUTOCANCEL,
		3266	cb => sub {
		3267	do_reload_perl;
		3268	undef $RELOAD_WATCHER;
		3269	},
		3270	);
		3271	}
		3272
2502	register_command "reload" => sub {	3273	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3274	my ($who, $arg) = @_;
2504		3275
2505	if ($who->flag (FLAG_WIZ)) {	3276	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3277	$who->message ("reloading server.");
2507		3278	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	}	3279	}
2521	};	3280	};
2522		3281
2523	unshift @INC, $LIBDIR;	3282	unshift @INC, $LIBDIR;
2524		3283
2525	my $bug_warning = 0;	3284	my $bug_warning = 0;
2526		3285
		3286	our @WAIT_FOR_TICK;
		3287	our @WAIT_FOR_TICK_BEGIN;
		3288
		3289	sub wait_for_tick {
		3290	return unless $TICK_WATCHER->is_active;
		3291	return if $Coro::current == $Coro::main;
		3292
		3293	my $signal = new Coro::Signal;
		3294	push @WAIT_FOR_TICK, $signal;
		3295	$signal->wait;
		3296	}
		3297
		3298	sub wait_for_tick_begin {
		3299	return unless $TICK_WATCHER->is_active;
		3300	return if $Coro::current == $Coro::main;
		3301
		3302	my $signal = new Coro::Signal;
		3303	push @WAIT_FOR_TICK_BEGIN, $signal;
		3304	$signal->wait;
		3305	}
		3306
		3307	my $min = 1e6;#d#
		3308	my $avg = 10;
2527	$TICK_WATCHER = Event->timer (	3309	$TICK_WATCHER = Event->timer (
2528	reentrant => 0,	3310	reentrant => 0,
2529	parked => 1,	3311	parked => 1,
2530	prio => 0,	3312	prio => 0,
2531	at => $NEXT_TICK || $TICK,	3313	at => $NEXT_TICK || $TICK,
…		…
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3317	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3318	unless ++$bug_warning > 10;
2537	return;	3319	return;
2538	}	3320	}
2539		3321
2540	$NOW = Event::time;	3322	$NOW = $tick_start = Event::time;
2541		3323
2542	cf::server_tick; # one server iteration	3324	cf::server_tick; # one server iteration
		3325
		3326	0 && sync_job {#d#
		3327	for(1..10) {
		3328	my $t = Event::time;
		3329	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3330	or die;
		3331
		3332	$map->width (50);
		3333	$map->height (50);
		3334	$map->alloc;
		3335	$map->_load_objects ("/tmp/x.map", 1);
		3336	my $t = Event::time - $t;
		3337
		3338	#next unless $t < 0.0013;#d#
		3339	if ($t < $min) {
		3340	$min = $t;
		3341	}
		3342	$avg = $avg * 0.99 + $t * 0.01;
		3343	}
		3344	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3345	exit 0;
		3346	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3347	};
		3348
2543	$RUNTIME += $TICK;	3349	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;	3350	$NEXT_TICK += $TICK;
2545		3351
2546	$WAIT_FOR_TICK->broadcast;	3352	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3353	$NEXT_RUNTIME_WRITE = $NOW + 10;
2548		3354	Coro::async_pool {
2549	Event::sweep;	3355	write_runtime
2550	Coro::cede_notself;	3356	or warn "ERROR: unable to write runtime file: $!";
		3357	};
2551		3358	}
		3359
2552	# my $AFTER = Event::time;	3360	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#	3361	# warn $AFTER - $NOW;#d#
2554		3362
		3363	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3364	$sig->send;
		3365	}
		3366	while (my $sig = shift @WAIT_FOR_TICK) {
		3367	$sig->send;
		3368	}
		3369
		3370	$NOW = Event::time;
		3371
2555	# if we are delayed by four ticks or more, skip them all	3372	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3373	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2557		3374
2558	$TICK_WATCHER->at ($NEXT_TICK);	3375	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;	3376	$TICK_WATCHER->start;
		3377
		3378	$LOAD = ($NOW - $tick_start) / $TICK;
		3379	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3380
		3381	_post_tick;
		3382
		3383
2560	},	3384	},
2561	);	3385	);
2562		3386
2563	{	3387	{
2564	BDB::max_poll_time $TICK * 0.1;	3388	BDB::max_poll_time $TICK * 0.1;
…		…
2589		3413
2590	unless ($DB_ENV) {	3414	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3415	$DB_ENV = BDB::db_env_create;
2592		3416
2593	cf::sync_job {	3417	cf::sync_job {
		3418	eval {
2594	BDB::db_env_open	3419	BDB::db_env_open
2595	$DB_ENV,	3420	$DB_ENV,
2596	$BDB_ENV_DIR,	3421	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3422	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3423	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3424	0666;
2600		3425
2601	cf::cleanup "$!" if $!;	3426	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3427
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3428	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2604	$DB_ENV->set_lk_detect;	3429	$DB_ENV->set_lk_detect;
		3430	};
		3431
		3432	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	3433	};
2606	}	3434	}
2607	}	3435	}
2608		3436
2609	{	3437	{
…		…
2611		3439
2612	undef $Coro::AIO::WATCHER;	3440	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	3441	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	3442	$AIO_POLL_WATCHER = Event->io (
2615	reentrant => 0,	3443	reentrant => 0,
		3444	data => WF_AUTOCANCEL,
2616	fd => IO::AIO::poll_fileno,	3445	fd => IO::AIO::poll_fileno,
2617	poll => 'r',	3446	poll => 'r',
2618	prio => 6,	3447	prio => 6,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,	3448	cb => \&IO::AIO::poll_cb,
2621	);	3449	);
2622	}	3450	}
2623		3451
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	3452	my $_log_backtrace;
2625	reentrant => 0,	3453
2626	data => WF_AUTOCANCEL,	3454	sub _log_backtrace {
2627	after => 1,	3455	my ($msg, @addr) = @_;
2628	interval => 10,	3456
2629	prio => 6, # keep it lowest so it acts like a watchdog	3457	$msg =~ s/\n//;
2630	cb => Coro::unblock_sub {	3458
2631	write_runtime	3459	# limit the # of concurrent backtraces
2632	or warn "ERROR: unable to write runtime file: $!";	3460	if ($_log_backtrace < 2) {
		3461	++$_log_backtrace;
		3462	async {
		3463	my @bt = fork_call {
		3464	@addr = map { sprintf "%x", $_ } @addr;
		3465	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3466	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3467	or die "addr2line: $!";
		3468
		3469	my @funcs;
		3470	my @res = <$fh>;
		3471	chomp for @res;
		3472	while (@res) {
		3473	my ($func, $line) = splice @res, 0, 2, ();
		3474	push @funcs, "[$func] $line";
		3475	}
		3476
		3477	@funcs
		3478	};
		3479
		3480	LOG llevInfo, "[ABT] $msg\n";
		3481	LOG llevInfo, "[ABT] $_\n" for @bt;
		3482	--$_log_backtrace;
		3483	};
		3484	} else {
		3485	LOG llevInfo, "[ABT] $msg\n";
		3486	LOG llevInfo, "[ABT] [suppressed]\n";
2633	},	3487	}
2634	);	3488	}
		3489
		3490	# load additional modules
		3491	use cf::pod;
2635		3492
2636	END { cf::emergency_save }	3493	END { cf::emergency_save }
2637		3494
2638	1	3495	1
2639		3496

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