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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 1.336 by root, Tue Aug 21 00:31:18 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
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
883	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
884	}	1158	if $reply;
885	}	1159	}
886	} else {	1160	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1162	}
889		1163
890	cf::override;	1164	cf::override;
891	},	1165	},
892	);	1166	);
893		1167
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 {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
929	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1173	next unless -r $path;
931	eval {	1174
932	load_extension $ext;	1175	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1176	my $base = $1;
		1177	my $pkg = $1;
		1178	$pkg =~ s/[^[:word:]]/_/g;
		1179	$pkg = "ext::$pkg";
		1180
		1181	open my $fh, "<:utf8", $path
		1182	or die "$path: $!";
		1183
		1184	my $source = do { local $/; <$fh> };
		1185
		1186	my %ext = (
		1187	path => $path,
		1188	base => $base,
		1189	pkg => $pkg,
		1190	);
		1191
		1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1194
		1195	$ext{source} =
		1196	"package $pkg; use strict; use utf8;\n"
		1197	. "#line 1 \"$path\"\n{\n"
		1198	. $source
		1199	. "\n};\n1";
		1200
		1201	$todo{$base} = \%ext;
		1202	}
		1203
		1204	my %done;
		1205	while (%todo) {
		1206	my $progress;
		1207
		1208	while (my ($k, $v) = each %todo) {
		1209	for (split /,\s*/, $v->{meta}{depends}) {
		1210	goto skip
		1211	unless exists $done{$_};
		1212	}
		1213
		1214	warn "... loading '$k' into '$v->{pkg}'\n";
		1215
		1216	unless (eval $v->{source}) {
		1217	my $msg = $@ ? "$v->{path}: $@\n"
		1218	: "$v->{base}: extension inactive.\n";
		1219
		1220	if (exists $v->{meta}{mandatory}) {
		1221	warn $msg;
		1222	warn "mandatory extension failed to load, exiting.\n";
		1223	exit 1;
		1224	}
		1225
		1226	warn $msg;
		1227	}
		1228
		1229	$done{$k} = delete $todo{$k};
		1230	push @EXTS, $v->{pkg};
		1231	$progress = 1;
933	1	1232	}
934	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
935	}	1238	};
936	}	1239	}
937		1240
938	#############################################################################	1241	#############################################################################
939		1242
		1243	=back
		1244
940	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
941		1246
942	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
943		1248
944	=cut	1249	=cut
…		…
956	Returns the given player object, loading it if necessary (might block).	1261	Returns the given player object, loading it if necessary (might block).
957		1262
958	=cut	1263	=cut
959		1264
960	sub playerdir($) {	1265	sub playerdir($) {
961	cf::localdir	1266	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1267	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1268	}
967		1269
968	sub path($) {	1270	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1271	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1272
971	(playerdir $login) . "/$login.pl"	1273	(playerdir $login) . "/playerdata"
972	}	1274	}
973		1275
974	sub find_active($) {	1276	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1277	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1278	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1291	my $login = $_[0];
990		1292
991	my $guard = cf::lock_acquire "user_find:$login";	1293	my $guard = cf::lock_acquire "user_find:$login";
992		1294
993	$cf::PLAYER{$_[0]} || do {	1295	$cf::PLAYER{$_[0]} || do {
		1296	# rename old playerfiles to new ones
		1297	#TODO: remove when no longer required
		1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1301	aio_unlink +(playerdir $login) . "/$login.pl";
		1302
994	my $pl = load_pl path $login	1303	my $pl = load_pl path $login
995	or return;	1304	or return;
996	$cf::PLAYER{$login} = $pl	1305	$cf::PLAYER{$login} = $pl
997	}	1306	}
998	}	1307	}
…		…
1026	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
1027		1336
1028	$self	1337	$self
1029	}	1338	}
1030		1339
		1340	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1341
		1342	=cut
		1343
		1344	sub send_msg {
		1345	my $ns = shift->ns
		1346	or return;
		1347	$ns->send_msg (@_);
		1348	}
		1349
1031	=item $pl->quit_character	1350	=item $pl->quit_character
1032		1351
1033	Nukes the player without looking back. If logged in, the connection will	1352	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1353	be destroyed. May block for a long time.
1035		1354
1036	=cut	1355	=cut
1037		1356
1038	sub quit_character {	1357	sub quit_character {
1039	my ($pl) = @_;	1358	my ($pl) = @_;
		1359
		1360	my $name = $pl->ob->name;
1040		1361
1041	$pl->{deny_save} = 1;	1362	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1363	$pl->password ("*"); # this should lock out the player until we nuked the dir
1043		1364
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1049	my $path = playerdir $pl;	1370	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1371	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1372	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1373	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1374	$pl->destroy;
		1375
		1376	my $prefix = qr<^~\Q$name\E/>;
		1377
		1378	# nuke player maps
		1379	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1380
1054	IO::AIO::aio_rmtree $temp;	1381	IO::AIO::aio_rmtree $temp;
		1382	}
		1383
		1384	=item $pl->kick
		1385
		1386	Kicks a player out of the game. This destroys the connection.
		1387
		1388	=cut
		1389
		1390	sub kick {
		1391	my ($pl, $kicker) = @_;
		1392
		1393	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1394	$pl->killer ("kicked");
		1395	$pl->ns->destroy;
1055	}	1396	}
1056		1397
1057	=item cf::player::list_logins	1398	=item cf::player::list_logins
1058		1399
1059	Returns am arrayref of all valid playernames in the system, can take a	1400	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1401	while and may block, so not sync_job-capable, ever.
1061		1402
1062	=cut	1403	=cut
1063		1404
1064	sub list_logins {	1405	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1406	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1407	or return [];
1067		1408
1068	my @logins;	1409	my @logins;
1069		1410
1070	for my $login (@$dirs) {	1411	for my $login (@$dirs) {
…		…
1105	}	1446	}
1106		1447
1107	\@paths	1448	\@paths
1108	}	1449	}
1109		1450
		1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1452
		1453	Expand crossfire pod fragments into protocol xml.
		1454
		1455	=cut
		1456
		1457	sub expand_cfpod {
		1458	((my $self), (local $_)) = @_;
		1459
		1460	# escape & and <
		1461	s/&/&amp;/g;
		1462	s/(?<![BIUGH])</&lt;/g;
		1463
		1464	# this is buggy, it needs to properly take care of nested <'s
		1465
		1466	1 while
		1467	# replace B<>, I<>, U<> etc.
		1468	s/B<([^\>]*)>/<b>$1<\/b>/
		1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1471	# replace G<male|female> tags
		1472	|| s{G<([^>|]*)\|([^>]*)>}{
		1473	$self->gender ? $2 : $1
		1474	}ge
		1475	# replace H<hint text>
		1476	|| s{H<([^\>]*)>}
		1477	{
		1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1480	"")
		1481	[$self->{hintmode}]
		1482	}ge;
		1483
		1484	# create single paragraphs (very hackish)
		1485	s/(?<=\S)\n(?=\w)/ /g;
		1486
		1487	# compress some whitespace
		1488	s/\s+\n/\n/g; # ws line-ends
		1489	s/\n\n+/\n/g; # double lines
		1490	s/^\n+//; # beginning lines
		1491	s/\n+$//; # ending lines
		1492
		1493	$_
		1494	}
		1495
		1496	sub hintmode {
		1497	$_[0]{hintmode} = $_[1] if @_ > 1;
		1498	$_[0]{hintmode}
		1499	}
		1500
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1111		1502
1112	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1113		1504
1114	=cut	1505	=cut
1115		1506
1116	sub ext_reply($$$%) {	1507	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1118		1509
1119	$msg{msgid} = $id;	1510	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1511	}
1123		1512
1124	package cf;	1513	=item $player->ext_msg ($type, @msg)
		1514
		1515	Sends an ext event to the client.
		1516
		1517	=cut
		1518
		1519	sub ext_msg($$@) {
		1520	my ($self, $type, @msg) = @_;
		1521
		1522	$self->ns->ext_msg ($type, @msg);
		1523	}
		1524
		1525	=head3 cf::region
		1526
		1527	=over 4
		1528
		1529	=cut
		1530
		1531	package cf::region;
		1532
		1533	=item cf::region::find_by_path $path
		1534
		1535	Tries to decuce the likely region for a map knowing only its path.
		1536
		1537	=cut
		1538
		1539	sub find_by_path($) {
		1540	my ($path) = @_;
		1541
		1542	my ($match, $specificity);
		1543
		1544	for my $region (list) {
		1545	if ($region->{match} && $path =~ $region->{match}) {
		1546	($match, $specificity) = ($region, $region->specificity)
		1547	if $region->specificity > $specificity;
		1548	}
		1549	}
		1550
		1551	$match
		1552	}
1125		1553
1126	=back	1554	=back
1127
1128		1555
1129	=head3 cf::map	1556	=head3 cf::map
1130		1557
1131	=over 4	1558	=over 4
1132		1559
…		…
1187	my ($self, $merge) = @_;	1614	my ($self, $merge) = @_;
1188		1615
1189	# we have to keep some variables in memory intact	1616	# we have to keep some variables in memory intact
1190	local $self->{path};	1617	local $self->{path};
1191	local $self->{load_path};	1618	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1619
1195	$self->SUPER::thawer_merge ($merge);	1620	$self->SUPER::thawer_merge ($merge);
1196	}	1621	}
1197		1622
1198	sub normalise {	1623	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1670	$self->init; # pass $1 etc.
1246	return $self;	1671	return $self;
1247	}	1672	}
1248	}	1673	}
1249		1674
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1675	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1676	()
1252	}	1677	}
1253		1678
1254	sub init {	1679	sub init {
1255	my ($self) = @_;	1680	my ($self) = @_;
…		…
1270		1695
1271	# the original (read-only) location	1696	# the original (read-only) location
1272	sub load_path {	1697	sub load_path {
1273	my ($self) = @_;	1698	my ($self) = @_;
1274		1699
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1700	"$MAPDIR/$self->{path}.map"
1276	}	1701	}
1277		1702
1278	# the temporary/swap location	1703	# the temporary/swap location
1279	sub save_path {	1704	sub save_path {
1280	my ($self) = @_;	1705	my ($self) = @_;
1281		1706
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1707	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1708	"$TMPDIR/$path.map"
1284	}	1709	}
1285		1710
1286	# the unique path, undef == no special unique path	1711	# the unique path, undef == no special unique path
1287	sub uniq_path {	1712	sub uniq_path {
1288	my ($self) = @_;	1713	my ($self) = @_;
1289		1714
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1715	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1716	"$UNIQUEDIR/$path"
1292	}	1717	}
1293		1718
1294	# and all this just because we cannot iterate over	1719	# and all this just because we cannot iterate over
1295	# all maps in C++...	1720	# all maps in C++...
1296	sub change_all_map_light {	1721	sub change_all_map_light {
…		…
1298		1723
1299	$_->change_map_light ($change)	1724	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1725	for grep $_->outdoor, values %cf::MAP;
1301	}	1726	}
1302		1727
		1728	sub decay_objects {
		1729	my ($self) = @_;
		1730
		1731	return if $self->{deny_reset};
		1732
		1733	$self->do_decay_objects;
		1734	}
		1735
1303	sub unlink_save {	1736	sub unlink_save {
1304	my ($self) = @_;	1737	my ($self) = @_;
1305		1738
1306	utf8::encode (my $save = $self->save_path);	1739	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1740	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1741	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	}	1742	}
1315		1743
1316	sub load_header_from($) {	1744	sub load_header_from($) {
1317	my ($self, $path) = @_;	1745	my ($self, $path) = @_;
1318		1746
…		…
1368	$self->load_header_orig	1796	$self->load_header_orig
1369	or return;	1797	or return;
1370	$self->prepare_orig;	1798	$self->prepare_orig;
1371	}	1799	}
1372		1800
		1801	$self->{deny_reset} = 1
		1802	if $self->no_reset;
		1803
		1804	$self->default_region (cf::region::find_by_path $self->{path})
		1805	unless $self->default_region;
		1806
1373	1	1807	1
1374	}	1808	}
1375		1809
1376	sub find;	1810	sub find;
1377	sub find {	1811	sub find {
…		…
1389	$map->{last_save} = $cf::RUNTIME;	1823	$map->{last_save} = $cf::RUNTIME;
1390		1824
1391	$map->load_header	1825	$map->load_header
1392	or return;	1826	or return;
1393		1827
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1828	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1829	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1830	#$cf::WAIT_FOR_TICK->wait;
1397	$map->reset;	1831	$map->reset;
1398	undef $guard;	1832	undef $guard;
1399	return find $path;	1833	return find $path;
…		…
1410	my ($self) = @_;	1844	my ($self) = @_;
1411		1845
1412	local $self->{deny_reset} = 1; # loading can take a long time	1846	local $self->{deny_reset} = 1; # loading can take a long time
1413		1847
1414	my $path = $self->{path};	1848	my $path = $self->{path};
		1849
		1850	{
1415	my $guard = cf::lock_acquire "map_load:$path";	1851	my $guard = cf::lock_acquire "map_load:$path";
1416		1852
1417	return if $self->in_memory != cf::MAP_SWAPPED;	1853	return if $self->in_memory != cf::MAP_SWAPPED;
1418		1854
1419	$self->in_memory (cf::MAP_LOADING);	1855	$self->in_memory (cf::MAP_LOADING);
1420		1856
1421	$self->alloc;	1857	$self->alloc;
1422		1858
1423	$self->pre_load;	1859	$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;	1860	Coro::cede;
1449	$self->set_darkness_map;	1861
		1862	$self->_load_objects ($self->{load_path}, 1)
		1863	or return;
		1864
		1865	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1866	if delete $self->{load_original};
		1867
		1868	if (my $uniq = $self->uniq_path) {
		1869	utf8::encode $uniq;
		1870	if (aio_open $uniq, O_RDONLY, 0) {
		1871	$self->clear_unique_items;
		1872	$self->_load_objects ($uniq, 0);
		1873	}
		1874	}
		1875
		1876	Coro::cede;
		1877	# now do the right thing for maps
		1878	$self->link_multipart_objects;
1450	$self->difficulty ($self->estimate_difficulty)	1879	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	1880	unless $self->difficulty;
1452	Coro::cede;	1881	Coro::cede;
		1882
		1883	unless ($self->{deny_activate}) {
		1884	$self->decay_objects;
		1885	$self->fix_auto_apply;
		1886	$self->update_buttons;
		1887	Coro::cede;
		1888	$self->set_darkness_map;
		1889	Coro::cede;
1453	$self->activate;	1890	$self->activate;
		1891	}
		1892
		1893	$self->{last_save} = $cf::RUNTIME;
		1894	$self->last_access ($cf::RUNTIME);
		1895
		1896	$self->in_memory (cf::MAP_IN_MEMORY);
1454	}	1897	}
1455		1898
1456	$self->post_load;	1899	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	1900	}
1460		1901
1461	sub customise_for {	1902	sub customise_for {
1462	my ($self, $ob) = @_;	1903	my ($self, $ob) = @_;
1463		1904
1464	return find "~" . $ob->name . "/" . $self->{path}	1905	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	1906	if $self->per_player;
1466		1907
		1908	# return find "?party/" . $ob->name . "/" . $self->{path}
		1909	# if $self->per_party;
		1910
1467	$self	1911	$self
1468	}	1912	}
1469		1913
1470	# find and load all maps in the 3x3 area around a map	1914	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	1915	sub load_neighbours {
1472	my ($map) = @_;	1916	my ($map) = @_;
1473		1917
1474	my @diag; # diagonal neighbours	1918	my @neigh; # diagonal neighbours
1475		1919
1476	for (0 .. 3) {	1920	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	1921	my $neigh = $map->tile_path ($_)
1478	or next;	1922	or next;
1479	$neigh = find $neigh, $map	1923	$neigh = find $neigh, $map
1480	or next;	1924	or next;
1481	$neigh->load;	1925	$neigh->load;
1482		1926
		1927	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1928	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1929	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	1930	}
1486		1931
1487	for (@diag) {	1932	for (grep defined $_->[0], @neigh) {
		1933	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	1934	my $neigh = find $path, $origin
1489	or next;	1935	or next;
1490	$neigh->load;	1936	$neigh->load;
1491	}	1937	}
1492	}	1938	}
1493		1939
…		…
1517		1963
1518	undef $MAP_PREFETCH{$path};	1964	undef $MAP_PREFETCH{$path};
1519	$MAP_PREFETCHER ||= cf::async {	1965	$MAP_PREFETCHER ||= cf::async {
1520	while (%MAP_PREFETCH) {	1966	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	1967	for my $path (keys %MAP_PREFETCH) {
1522	my $map = find $path	1968	if (my $map = find $path) {
1523	or next;
1524	$map->load;	1969	$map->load;
		1970	}
1525		1971
1526	delete $MAP_PREFETCH{$path};	1972	delete $MAP_PREFETCH{$path};
1527	}	1973	}
1528	}	1974	}
1529	undef $MAP_PREFETCHER;	1975	undef $MAP_PREFETCHER;
…		…
1581		2027
1582	sub reset_at {	2028	sub reset_at {
1583	my ($self) = @_;	2029	my ($self) = @_;
1584		2030
1585	# TODO: safety, remove and allow resettable per-player maps	2031	# 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};	2032	return 1e99 if $self->{deny_reset};
1588		2033
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2034	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2035	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2036
…		…
1602	my ($self) = @_;	2047	my ($self) = @_;
1603		2048
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2049	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2050
1606	return if $self->players;	2051	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2052
1609	warn "resetting map ", $self->path;#d#	2053	warn "resetting map ", $self->path;
		2054
		2055	$self->in_memory (cf::MAP_SWAPPED);
		2056
		2057	# need to save uniques path
		2058	unless ($self->{deny_save}) {
		2059	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2060
		2061	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2062	if $uniq;
		2063	}
1610		2064
1611	delete $cf::MAP{$self->path};	2065	delete $cf::MAP{$self->path};
1612		2066
1613	$self->in_memory (cf::MAP_SWAPPED);
1614	$self->clear;	2067	$self->clear;
1615		2068
1616	$_->clear_links_to ($self) for values %cf::MAP;	2069	$_->clear_links_to ($self) for values %cf::MAP;
1617		2070
1618	$self->unlink_save;	2071	$self->unlink_save;
…		…
1637	$cf::MAP{$self->path} = $self;	2090	$cf::MAP{$self->path} = $self;
1638		2091
1639	$self->reset; # polite request, might not happen	2092	$self->reset; # polite request, might not happen
1640	}	2093	}
1641		2094
		2095	=item $maps = cf::map::tmp_maps
		2096
		2097	Returns an arrayref with all map paths of currently instantiated and saved
		2098	maps. May block.
		2099
		2100	=cut
		2101
		2102	sub tmp_maps() {
		2103	[
		2104	map {
		2105	utf8::decode $_;
		2106	/\.map$/
		2107	? normalise $_
		2108	: ()
		2109	} @{ aio_readdir $TMPDIR or [] }
		2110	]
		2111	}
		2112
		2113	=item $maps = cf::map::random_maps
		2114
		2115	Returns an arrayref with all map paths of currently instantiated and saved
		2116	random maps. May block.
		2117
		2118	=cut
		2119
		2120	sub random_maps() {
		2121	[
		2122	map {
		2123	utf8::decode $_;
		2124	/\.map$/
		2125	? normalise "?random/$_"
		2126	: ()
		2127	} @{ aio_readdir $RANDOMDIR or [] }
		2128	]
		2129	}
		2130
1642	=item cf::map::unique_maps	2131	=item cf::map::unique_maps
1643		2132
1644	Returns an arrayref of paths of all shared maps that have	2133	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2134	instantiated unique items. May block.
1646		2135
1647	=cut	2136	=cut
1648		2137
1649	sub unique_maps() {	2138	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2139	[
1651	or return;	2140	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2141	utf8::decode $_;
1657	next if /\.pst$/;	2142	/\.map$/
1658	next unless /^$PATH_SEP/o;	2143	? normalise $_
1659		2144	: ()
1660	push @paths, cf::map::normalise $_;	2145	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2146	]
1662
1663	\@paths
1664	}	2147	}
1665		2148
1666	package cf;	2149	package cf;
1667		2150
1668	=back	2151	=back
…		…
1714		2197
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2198	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2199
1717	if ($self->{record_replies}) {	2200	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2201	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2202
1719	} else {	2203	} else {
		2204	my $pl = $self->contr;
		2205
		2206	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2207	my $dialog = $pl->{npc_dialog};
		2208	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2209
		2210	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2211	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2212	$self->message ($msg, $flags);
		2213	}
1722	}	2214	}
		2215	}
		2216
		2217	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2218
		2219	=cut
		2220
		2221	sub cf::object::send_msg {
		2222	my $pl = shift->contr
		2223	or return;
		2224	$pl->send_msg (@_);
1723	}	2225	}
1724		2226
1725	=item $player_object->may ("access")	2227	=item $player_object->may ("access")
1726		2228
1727	Returns wether the given player is authorized to access resource "access"	2229	Returns wether the given player is authorized to access resource "access"
…		…
1774	$self->deactivate_recursive;	2276	$self->deactivate_recursive;
1775		2277
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2278	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2279
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2280	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2281	if $self->map && $self->map->{path} ne "{link}";
1780		2282
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2283	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2284	}
1783		2285
1784	sub cf::object::player::leave_link {	2286	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2287	my ($self, $map, $x, $y) = @_;
		2288
		2289	return unless $self->contr->active;
1786		2290
1787	my $link_pos = delete $self->{_link_pos};	2291	my $link_pos = delete $self->{_link_pos};
1788		2292
1789	unless ($map) {	2293	unless ($map) {
1790	# restore original map position	2294	# restore original map position
…		…
1804	# use -1 or undef as default coordinates, not 0, 0	2308	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2309	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2310	if $x <=0 && $y <= 0;
1807		2311
1808	$map->load;	2312	$map->load;
1809	$map->load_diag;	2313	$map->load_neighbours;
1810		2314
1811	return unless $self->contr->active;	2315	return unless $self->contr->active;
1812	$self->activate_recursive;	2316	$self->activate_recursive;
		2317
		2318	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2319	$self->enter_map ($map, $x, $y);
1814	}	2320	}
1815		2321
1816	cf::player->attach (	2322	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2323
1820	# abort map switching before logout	2324	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2325	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2326	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2327	the new (success) or old (failed) map position. In either case, $done will
1824	};	2328	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2329
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	2330	=cut
		2331
		2332	our $GOTOGEN;
1851		2333
1852	sub cf::object::player::goto {	2334	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2335	my ($self, $path, $x, $y, $check, $done) = @_;
		2336
		2337	# do generation counting so two concurrent goto's will be executed in-order
		2338	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2339
1855	$self->enter_link;	2340	$self->enter_link;
1856		2341
1857	(async {	2342	(async {
1858	my $map = eval {	2343	my $map = eval {
1859	my $map = cf::map::find $path;	2344	my $map = cf::map::find $path;
		2345
		2346	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2347	$map = $map->customise_for ($self);
		2348	$map = $check->($map) if $check && $map;
		2349	} else {
		2350	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2351	}
		2352
1861	$map	2353	$map
		2354	};
		2355
		2356	if ($@) {
		2357	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2358	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2359	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2360
		2361	if ($gen == $self->{_goto_generation}) {
		2362	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2363	$self->leave_link ($map, $x, $y);
		2364	}
		2365
		2366	$done->() if $done;
1866	})->prio (1);	2367	})->prio (1);
1867	}	2368	}
1868		2369
1869	=item $player_object->enter_exit ($exit_object)	2370	=item $player_object->enter_exit ($exit_object)
1870		2371
…		…
1909		2410
1910	$rmp->{random_seed} ||= $exit->random_seed;	2411	$rmp->{random_seed} ||= $exit->random_seed;
1911		2412
1912	my $data = cf::to_json $rmp;	2413	my $data = cf::to_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2414	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2415	my $meta = "$RANDOMDIR/$md5.meta";
1915		2416
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2417	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2418	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2419	undef $fh;
1919	aio_rename "$meta~", $meta;	2420	aio_rename "$meta~", $meta;
…		…
1928		2429
1929	return unless $self->type == cf::PLAYER;	2430	return unless $self->type == cf::PLAYER;
1930		2431
1931	if ($exit->slaying eq "/!") {	2432	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job	2433	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2434	# the problem is that $exit might not survive long enough
		2435	# so it needs to be done right now, right here
1933	cf::sync_job { prepare_random_map $exit };	2436	cf::sync_job { prepare_random_map $exit };
1934	}	2437	}
1935		2438
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2439	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;	2440	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;	2441	my $sp = $exit->stats->sp;
1939		2442
1940	$self->enter_link;	2443	$self->enter_link;
		2444
		2445	# if exit is damned, update players death & WoR home-position
		2446	$self->contr->savebed ($slaying, $hp, $sp)
		2447	if $exit->flag (FLAG_DAMNED);
1941		2448
1942	(async {	2449	(async {
1943	$self->deactivate_recursive; # just to be sure	2450	$self->deactivate_recursive; # just to be sure
1944	unless (eval {	2451	unless (eval {
1945	$self->goto ($slaying, $hp, $sp);	2452	$self->goto ($slaying, $hp, $sp);
1946		2453
1947	1;	2454	1;
1948	}) {	2455	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2456	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2457	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2458	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2459	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2460
1954	warn "ERROR in enter_exit: $@";	2461	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2462	$self->leave_link;
1956	}	2463	}
1957	})->prio (1);	2464	})->prio (1);
…		…
1970		2477
1971	sub cf::client::send_drawinfo {	2478	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2479	my ($self, $text, $flags) = @_;
1973		2480
1974	utf8::encode $text;	2481	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2482	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2483	}
1977		2484
		2485	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2486
		2487	Send a drawinfo or msg packet to the client, formatting the msg for the
		2488	client if neccessary. C<$type> should be a string identifying the type of
		2489	the message, with C<log> being the default. If C<$color> is negative, suppress
		2490	the message unless the client supports the msg packet.
		2491
		2492	=cut
		2493
		2494	sub cf::client::send_msg {
		2495	my ($self, $channel, $msg, $color, @extra) = @_;
		2496
		2497	$msg = $self->pl->expand_cfpod ($msg);
		2498
		2499	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2500
		2501	if (ref $channel) {
		2502	# send meta info to client, if not yet sent
		2503	unless (exists $self->{channel}{$channel->{id}}) {
		2504	$self->{channel}{$channel->{id}} = $channel;
		2505	$self->ext_msg (channel_info => $channel);
		2506	}
		2507
		2508	$channel = $channel->{id};
		2509	}
		2510
		2511	return unless @extra || length $msg;
		2512
		2513	if ($self->can_msg) {
		2514	# default colour, mask it out
		2515	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2516	if $color & cf::NDI_DEF;
		2517
		2518	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2519	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2520	} else {
		2521	if ($color >= 0) {
		2522	# replace some tags by gcfclient-compatible ones
		2523	for ($msg) {
		2524	1 while
		2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2530	}
		2531
		2532	$color &= cf::NDI_COLOR_MASK;
		2533
		2534	utf8::encode $msg;
		2535
		2536	if (0 && $msg =~ /\[/) {
		2537	# COMMAND/INFO
		2538	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2539	} else {
		2540	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2541	$self->send_packet ("drawinfo $color $msg")
		2542	}
		2543	}
		2544	}
		2545	}
		2546
		2547	=item $client->ext_msg ($type, @msg)
		2548
		2549	Sends an ext event to the client.
		2550
		2551	=cut
		2552
		2553	sub cf::client::ext_msg($$@) {
		2554	my ($self, $type, @msg) = @_;
		2555
		2556	my $extcmd = $self->extcmd;
		2557
		2558	if ($extcmd == 2) {
		2559	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2560	} elsif ($extcmd == 1) { # TODO: remove
		2561	push @msg, msgtype => "event_$type";
		2562	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2563	}
		2564	}
		2565
		2566	=item $client->ext_reply ($msgid, @msg)
		2567
		2568	Sends an ext reply to the client.
		2569
		2570	=cut
		2571
		2572	sub cf::client::ext_reply($$@) {
		2573	my ($self, $id, @msg) = @_;
		2574
		2575	if ($self->extcmd == 2) {
		2576	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2577	} elsif ($self->ns->extcmd == 1) {
		2578	#TODO: version 1, remove
		2579	unshift @msg, msgtype => "reply", msgid => $id;
		2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2581	}
		2582	}
1978		2583
1979	=item $success = $client->query ($flags, "text", \&cb)	2584	=item $success = $client->query ($flags, "text", \&cb)
1980		2585
1981	Queues a query to the client, calling the given callback with	2586	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>,	2587	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>.	2588	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2589
1985	Queries can fail, so check the return code. Or don't, as queries will become	2590	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2591	become reliable at some point in the future.
1987		2592
1988	=cut	2593	=cut
1989		2594
1990	sub cf::client::query {	2595	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2596	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2604	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2605	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2606
2002	$self->send_packet ($self->{query_queue}[0][0])	2607	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2608	if @{ $self->{query_queue} } == 1;
		2609
		2610	1
2004	}	2611	}
2005		2612
2006	cf::client->attach (	2613	cf::client->attach (
		2614	on_connect => sub {
		2615	my ($ns) = @_;
		2616
		2617	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2618	},
2007	on_reply => sub {	2619	on_reply => sub {
2008	my ($ns, $msg) = @_;	2620	my ($ns, $msg) = @_;
2009		2621
2010	# this weird shuffling is so that direct followup queries	2622	# this weird shuffling is so that direct followup queries
2011	# get handled first	2623	# get handled first
…		…
2023	} else {	2635	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2636	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2637	}
2026	}	2638	}
2027	},	2639	},
		2640	on_exticmd => sub {
		2641	my ($ns, $buf) = @_;
		2642
		2643	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2644
		2645	if (ref $msg) {
		2646	my ($type, $reply, @payload) =
		2647	"ARRAY" eq ref $msg
		2648	? @$msg
		2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2650
		2651	if (my $cb = $EXTICMD{$type}) {
		2652	my @reply = $cb->($ns, @payload);
		2653
		2654	$ns->ext_reply ($reply, @reply)
		2655	if $reply;
		2656	}
		2657	} else {
		2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2659	}
		2660
		2661	cf::override;
		2662	},
2028	);	2663	);
2029		2664
2030	=item $client->async (\&cb)	2665	=item $client->async (\&cb)
2031		2666
2032	Create a new coroutine, running the specified callback. The coroutine will	2667	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	2708	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	2709	our $safe_hole = new Safe::Hole;
2075		2710
2076	$SIG{FPE} = 'IGNORE';	2711	$SIG{FPE} = 'IGNORE';
2077		2712
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2713	$safe->permit_only (Opcode::opset qw(
		2714	:base_core :base_mem :base_orig :base_math
		2715	grepstart grepwhile mapstart mapwhile
		2716	sort time
		2717	));
2079		2718
2080	# here we export the classes and methods available to script code	2719	# here we export the classes and methods available to script code
2081		2720
2082	=pod	2721	=pod
2083		2722
2084	The following fucntions and emthods are available within a safe environment:	2723	The following functions and methods are available within a safe environment:
2085		2724
2086	cf::object contr pay_amount pay_player map	2725	cf::object
		2726	contr pay_amount pay_player map x y force_find force_add
		2727	insert remove name archname title slaying race
		2728
2087	cf::object::player player	2729	cf::object::player
2088	cf::player peaceful	2730	player
2089	cf::map trigger	2731
		2732	cf::player
		2733	peaceful
		2734
		2735	cf::map
		2736	trigger
2090		2737
2091	=cut	2738	=cut
2092		2739
2093	for (	2740	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	2741	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2742	insert remove inv name archname title slaying race)],
2095	["cf::object::player" => qw(player)],	2743	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	2744	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	2745	["cf::map" => qw(trigger)],
2098	) {	2746	) {
2099	no strict 'refs';	2747	no strict 'refs';
…		…
2170	=back	2818	=back
2171		2819
2172	=cut	2820	=cut
2173		2821
2174	#############################################################################	2822	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$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	2823	# the server's init and main functions
2284		2824
2285	sub load_resources {	2825	sub load_facedata($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2826	my ($path) = @_;
		2827
		2828	my $enc = JSON::XS->new->utf8->canonical;
		2829
		2830	warn "loading facedata from $path\n";
		2831
		2832	my $facedata;
		2833	0 < aio_load $path, $facedata
		2834	or die "$path: $!";
		2835
		2836	$facedata = Coro::Storable::thaw $facedata;
		2837
		2838	$facedata->{version} == 2
		2839	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2840
		2841	# patch in the exptable
		2842	$facedata->{resource}{"res/exp_table"} = {
		2843	type => FT_RSRC,
		2844	data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]),
		2845	};
		2846	cf::cede_to_tick;
		2847
		2848	{
		2849	my $faces = $facedata->{faceinfo};
		2850
		2851	while (my ($face, $info) = each %$faces) {
		2852	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2853	cf::face::set_visibility $idx, $info->{visibility};
		2854	cf::face::set_magicmap $idx, $info->{magicmap};
		2855	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2856	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		2857
		2858	cf::cede_to_tick;
		2859	}
		2860
		2861	while (my ($face, $info) = each %$faces) {
		2862	next unless $info->{smooth};
		2863	my $idx = cf::face::find $face
		2864	or next;
		2865	if (my $smooth = cf::face::find $info->{smooth}) {
		2866	cf::face::set_smooth $idx, $smooth;
		2867	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2868	} else {
		2869	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2870	}
		2871
		2872	cf::cede_to_tick;
		2873	}
		2874	}
		2875
		2876	{
		2877	my $anims = $facedata->{animinfo};
		2878
		2879	while (my ($anim, $info) = each %$anims) {
		2880	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2881	cf::cede_to_tick;
		2882	}
		2883
		2884	cf::anim::invalidate_all; # d'oh
		2885	}
		2886
		2887	{
		2888	# TODO: for gcfclient pleasure, we should give resources
		2889	# that gcfclient doesn't grok a >10000 face index.
		2890	my $res = $facedata->{resource};
		2891
		2892	my $soundconf = delete $res->{"res/sound.conf"};
		2893
		2894	while (my ($name, $info) = each %$res) {
		2895	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2896	my $data;
		2897
		2898	if ($info->{type} & 1) {
		2899	# prepend meta info
		2900
		2901	my $meta = $enc->encode ({
		2902	name => $name,
		2903	%{ $info->{meta} || {} },
		2904	});
		2905
		2906	$data = pack "(w/a*)*", $meta, $info->{data};
		2907	}
		2908
		2909	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2910	cf::face::set_type $idx, $info->{type};
		2911
		2912	cf::cede_to_tick;
		2913	}
		2914
		2915	if ($soundconf) {
		2916	$soundconf = $enc->decode (delete $soundconf->{data});
		2917
		2918	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2919	my $sound = $soundconf->{compat}[$_]
		2920	or next;
		2921
		2922	my $face = cf::face::find "sound/$sound->[1]";
		2923	cf::sound::set $sound->[0] => $face;
		2924	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2925	}
		2926
		2927	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2928	my $face = cf::face::find "sound/$v";
		2929	cf::sound::set $k => $face;
		2930	}
		2931	}
		2932	}
		2933
		2934	1
		2935	}
		2936
		2937	register_exticmd fx_want => sub {
		2938	my ($ns, $want) = @_;
		2939
		2940	while (my ($k, $v) = each %$want) {
		2941	$ns->fx_want ($k, $v);
		2942	}
		2943	};
		2944
		2945	sub reload_regions {
		2946	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	2947	or die "unable to load regions file\n";
		2948
		2949	for (cf::region::list) {
		2950	$_->{match} = qr/$_->{match}/
		2951	if exists $_->{match};
		2952	}
		2953	}
		2954
		2955	sub reload_facedata {
		2956	load_facedata "$DATADIR/facedata"
		2957	or die "unable to load facedata\n";
		2958	}
		2959
		2960	sub reload_archetypes {
		2961	load_resource_file "$DATADIR/archetypes"
		2962	or die "unable to load archetypes\n";
		2963	#d# NEED to laod twice to resolve forward references
		2964	# this really needs to be done in an extra post-pass
		2965	# (which needs to be synchronous, so solve it differently)
		2966	load_resource_file "$DATADIR/archetypes"
		2967	or die "unable to load archetypes\n";
		2968	}
		2969
		2970	sub reload_treasures {
		2971	load_resource_file "$DATADIR/treasures"
		2972	or die "unable to load treasurelists\n";
		2973	}
		2974
		2975	sub reload_resources {
		2976	warn "reloading resource files...\n";
		2977
		2978	reload_regions;
		2979	reload_facedata;
		2980	#reload_archetypes;#d#
		2981	reload_archetypes;
		2982	reload_treasures;
		2983
		2984	warn "finished reloading resource files\n";
		2985	}
		2986
		2987	sub init {
		2988	reload_resources;
2288	}	2989	}
2289		2990
2290	sub cfg_load {	2991	sub cfg_load {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	2992	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	2993	or return;
2293		2994
2294	local $/;	2995	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	2996	*CFG = YAML::Syck::Load <$fh>;
2296		2997
…		…
2304	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3005	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2305	and die "WARNING: m(un)lockall failed: $!\n";	3006	and die "WARNING: m(un)lockall failed: $!\n";
2306	};	3007	};
2307	warn $@ if $@;	3008	warn $@ if $@;
2308	}	3009	}
2309	}
2310
2311	sub init {
2312	load_resources;
2313	}	3010	}
2314		3011
2315	sub main {	3012	sub main {
2316	# we must not ever block the main coroutine	3013	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3014	local $Coro::idle = sub {
…		…
2320	Event::one_event;	3017	Event::one_event;
2321	})->prio (Coro::PRIO_MAX);	3018	})->prio (Coro::PRIO_MAX);
2322	};	3019	};
2323		3020
2324	cfg_load;	3021	cfg_load;
2325	db_load;	3022	db_init;
2326	load_extensions;	3023	load_extensions;
2327		3024
2328	$TICK_WATCHER->start;	3025	$TICK_WATCHER->start;
2329	Event::loop;	3026	Event::loop;
2330	}	3027	}
…		…
2345	},	3042	},
2346	);	3043	);
2347	}	3044	}
2348	}	3045	}
2349		3046
		3047	sub write_runtime {
		3048	my $runtime = "$LOCALDIR/runtime";
		3049
		3050	# first touch the runtime file to show we are still running:
		3051	# the fsync below can take a very very long time.
		3052
		3053	IO::AIO::aio_utime $runtime, undef, undef;
		3054
		3055	my $guard = cf::lock_acquire "write_runtime";
		3056
		3057	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3058	or return;
		3059
		3060	my $value = $cf::RUNTIME + 90 + 10;
		3061	# 10 is the runtime save interval, for a monotonic clock
		3062	# 60 allows for the watchdog to kill the server.
		3063
		3064	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3065	and return;
		3066
		3067	# always fsync - this file is important
		3068	aio_fsync $fh
		3069	and return;
		3070
		3071	# touch it again to show we are up-to-date
		3072	aio_utime $fh, undef, undef;
		3073
		3074	close $fh
		3075	or return;
		3076
		3077	aio_rename "$runtime~", $runtime
		3078	and return;
		3079
		3080	warn "runtime file written.\n";
		3081
		3082	1
		3083	}
		3084
2350	sub emergency_save() {	3085	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3086	my $freeze_guard = cf::freeze_mainloop;
2352		3087
2353	warn "enter emergency perl save\n";	3088	warn "enter emergency perl save\n";
2354		3089
…		…
2369	my $map = $cf::MAP{$path} or next;	3104	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3105	$map->valid or next;
2371	$map->save;	3106	$map->save;
2372	}	3107	}
2373	warn "end emergency map save\n";	3108	warn "end emergency map save\n";
		3109
		3110	warn "begin emergency database checkpoint\n";
		3111	BDB::db_env_txn_checkpoint $DB_ENV;
		3112	warn "end emergency database checkpoint\n";
2374	};	3113	};
2375		3114
2376	warn "leave emergency perl save\n";	3115	warn "leave emergency perl save\n";
2377	}	3116	}
2378		3117
		3118	sub post_cleanup {
		3119	my ($make_core) = @_;
		3120
		3121	warn Carp::longmess "post_cleanup backtrace"
		3122	if $make_core;
		3123	}
		3124
2379	sub reload() {	3125	sub do_reload_perl() {
2380	# can/must only be called in main	3126	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3127	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3128	warn "can only reload from main coroutine";
2383	return;	3129	return;
2384	}	3130	}
2385		3131
2386	warn "reloading...";	3132	warn "reloading...";
2387		3133
2388	warn "cancelling server ticker";	3134	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3135
		3136	cf::sync_job {
		3137	cf::write_runtime; # external watchdog should not bark
2391	cf::emergency_save;	3138	cf::emergency_save;
		3139	cf::write_runtime; # external watchdog should not bark
2392		3140
2393	eval {	3141	warn "syncing database to disk";
		3142	BDB::db_env_txn_checkpoint $DB_ENV;
		3143
2394	# if anything goes wrong in here, we should simply crash as we already saved	3144	# 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		3145
2399	warn "cancelling all WF_AUTOCANCEL watchers";	3146	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {	3147	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;	3148	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}	3149	}
2403		3150
2404	warn "flushing outstanding aio requests";	3151	warn "flushing outstanding aio requests";
2405	for (;;) {	3152	for (;;) {
		3153	BDB::flush;
2406	IO::AIO::flush;	3154	IO::AIO::flush;
2407	Coro::cede;	3155	Coro::cede;
2408	last unless IO::AIO::nreqs;	3156	last unless IO::AIO::nreqs || BDB::nreqs;
2409	warn "iterate...";	3157	warn "iterate...";
2410	}	3158	}
		3159
		3160	++$RELOAD;
2411		3161
2412	warn "cancelling all extension coros";	3162	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3163	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3164	%EXT_CORO = ();
2415		3165
2416	warn "removing commands";	3166	warn "removing commands";
2417	%COMMAND = ();	3167	%COMMAND = ();
2418		3168
2419	warn "removing ext commands";	3169	warn "removing ext/exti commands";
2420	%EXTCMD = ();	3170	%EXTCMD = ();
		3171	%EXTICMD = ();
2421		3172
2422	warn "unloading/nuking all extensions";	3173	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3174	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3175	warn "... unloading $pkg";
2425		3176
…		…
2455	Symbol::delete_package "safe::$_"	3206	Symbol::delete_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3207	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3208
2458	warn "unloading cf.pm \"a bit\"";	3209	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3210	delete $INC{"cf.pm"};
		3211	delete $INC{"cf/pod.pm"};
2460		3212
2461	# don't, removes xs symbols, too,	3213	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3214	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3215	#Symbol::delete_package __PACKAGE__;
2464		3216
…		…
2468	require cf;	3220	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3221	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3222
2471	warn "loading config and database again";	3223	warn "loading config and database again";
2472	cf::cfg_load;	3224	cf::cfg_load;
2473	cf::db_load;
2474		3225
2475	warn "loading extensions";	3226	warn "loading extensions";
2476	cf::load_extensions;	3227	cf::load_extensions;
2477		3228
2478	warn "reattaching attachments to objects/players";	3229	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3230	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3231	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3232	reattach $_ for values %MAP;
		3233	warn "reattaching attachments to players";
		3234	reattach $_ for values %PLAYER;
2482		3235
2483	warn "loading reloadable resources";	3236	warn "leaving sync_job";
2484	load_resources;
2485		3237
2486	warn "restarting server ticker";	3238	1
2487		3239	} or do {
2488	$TICK_WATCHER->start;
2489	};
2490
2491	if ($@) {
2492	warn $@;	3240	warn $@;
2493	warn "error while reloading, exiting.";	3241	warn "error while reloading, exiting.";
2494	exit 1;	3242	exit 1;
2495	}	3243	};
2496		3244
2497	warn "reloaded";	3245	warn "reloaded";
2498	};	3246	};
2499		3247
2500	our $RELOAD_WATCHER; # used only during reload	3248	our $RELOAD_WATCHER; # used only during reload
2501		3249
		3250	sub reload_perl() {
		3251	# doing reload synchronously and two reloads happen back-to-back,
		3252	# coro crashes during coro_state_free->destroy here.
		3253
		3254	$RELOAD_WATCHER ||= Event->timer (
		3255	reentrant => 0,
		3256	after => 0,
		3257	data => WF_AUTOCANCEL,
		3258	cb => sub {
		3259	do_reload_perl;
		3260	undef $RELOAD_WATCHER;
		3261	},
		3262	);
		3263	}
		3264
2502	register_command "reload" => sub {	3265	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3266	my ($who, $arg) = @_;
2504		3267
2505	if ($who->flag (FLAG_WIZ)) {	3268	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3269	$who->message ("reloading server.");
2507		3270	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	}	3271	}
2521	};	3272	};
2522		3273
2523	unshift @INC, $LIBDIR;	3274	unshift @INC, $LIBDIR;
2524		3275
2525	my $bug_warning = 0;	3276	my $bug_warning = 0;
2526		3277
		3278	our @WAIT_FOR_TICK;
		3279	our @WAIT_FOR_TICK_BEGIN;
		3280
		3281	sub wait_for_tick {
		3282	return unless $TICK_WATCHER->is_active;
		3283	return if $Coro::current == $Coro::main;
		3284
		3285	my $signal = new Coro::Signal;
		3286	push @WAIT_FOR_TICK, $signal;
		3287	$signal->wait;
		3288	}
		3289
		3290	sub wait_for_tick_begin {
		3291	return unless $TICK_WATCHER->is_active;
		3292	return if $Coro::current == $Coro::main;
		3293
		3294	my $signal = new Coro::Signal;
		3295	push @WAIT_FOR_TICK_BEGIN, $signal;
		3296	$signal->wait;
		3297	}
		3298
		3299	my $min = 1e6;#d#
		3300	my $avg = 10;
2527	$TICK_WATCHER = Event->timer (	3301	$TICK_WATCHER = Event->timer (
2528	reentrant => 0,	3302	reentrant => 0,
2529	parked => 1,	3303	parked => 1,
2530	prio => 0,	3304	prio => 0,
2531	at => $NEXT_TICK || $TICK,	3305	at => $NEXT_TICK || $TICK,
…		…
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3309	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3310	unless ++$bug_warning > 10;
2537	return;	3311	return;
2538	}	3312	}
2539		3313
2540	$NOW = Event::time;	3314	$NOW = $tick_start = Event::time;
2541		3315
2542	cf::server_tick; # one server iteration	3316	cf::server_tick; # one server iteration
		3317
		3318	0 && sync_job {#d#
		3319	for(1..10) {
		3320	my $t = Event::time;
		3321	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3322	or die;
		3323
		3324	$map->width (50);
		3325	$map->height (50);
		3326	$map->alloc;
		3327	$map->_load_objects ("/tmp/x.map", 1);
		3328	my $t = Event::time - $t;
		3329
		3330	#next unless $t < 0.0013;#d#
		3331	if ($t < $min) {
		3332	$min = $t;
		3333	}
		3334	$avg = $avg * 0.99 + $t * 0.01;
		3335	}
		3336	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3337	exit 0;
		3338	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3339	};
		3340
2543	$RUNTIME += $TICK;	3341	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;	3342	$NEXT_TICK += $TICK;
2545		3343
2546	$WAIT_FOR_TICK->broadcast;	3344	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3345	$NEXT_RUNTIME_WRITE = $NOW + 10;
2548		3346	Coro::async_pool {
2549	Event::sweep;	3347	write_runtime
2550	Coro::cede_notself;	3348	or warn "ERROR: unable to write runtime file: $!";
		3349	};
2551		3350	}
		3351
2552	# my $AFTER = Event::time;	3352	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#	3353	# warn $AFTER - $NOW;#d#
2554		3354
		3355	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3356	$sig->send;
		3357	}
		3358	while (my $sig = shift @WAIT_FOR_TICK) {
		3359	$sig->send;
		3360	}
		3361
		3362	$NOW = Event::time;
		3363
2555	# if we are delayed by four ticks or more, skip them all	3364	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3365	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2557		3366
2558	$TICK_WATCHER->at ($NEXT_TICK);	3367	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;	3368	$TICK_WATCHER->start;
		3369
		3370	$LOAD = ($NOW - $tick_start) / $TICK;
		3371	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3372
		3373	_post_tick;
		3374
		3375
2560	},	3376	},
2561	);	3377	);
2562		3378
2563	{	3379	{
2564	BDB::max_poll_time $TICK * 0.1;	3380	BDB::max_poll_time $TICK * 0.1;
…		…
2589		3405
2590	unless ($DB_ENV) {	3406	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3407	$DB_ENV = BDB::db_env_create;
2592		3408
2593	cf::sync_job {	3409	cf::sync_job {
		3410	eval {
2594	BDB::db_env_open	3411	BDB::db_env_open
2595	$DB_ENV,	3412	$DB_ENV,
2596	$BDB_ENV_DIR,	3413	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3414	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3415	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3416	0666;
2600		3417
2601	cf::cleanup "$!" if $!;	3418	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3419
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3420	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2604	$DB_ENV->set_lk_detect;	3421	$DB_ENV->set_lk_detect;
		3422	};
		3423
		3424	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	3425	};
2606	}	3426	}
2607	}	3427	}
2608		3428
2609	{	3429	{
…		…
2611		3431
2612	undef $Coro::AIO::WATCHER;	3432	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	3433	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	3434	$AIO_POLL_WATCHER = Event->io (
2615	reentrant => 0,	3435	reentrant => 0,
		3436	data => WF_AUTOCANCEL,
2616	fd => IO::AIO::poll_fileno,	3437	fd => IO::AIO::poll_fileno,
2617	poll => 'r',	3438	poll => 'r',
2618	prio => 6,	3439	prio => 6,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,	3440	cb => \&IO::AIO::poll_cb,
2621	);	3441	);
2622	}	3442	}
2623		3443
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	3444	my $_log_backtrace;
2625	reentrant => 0,	3445
2626	data => WF_AUTOCANCEL,	3446	sub _log_backtrace {
2627	after => 1,	3447	my ($msg, @addr) = @_;
2628	interval => 10,	3448
2629	prio => 6, # keep it lowest so it acts like a watchdog	3449	$msg =~ s/\n//;
2630	cb => Coro::unblock_sub {	3450
2631	write_runtime	3451	# limit the # of concurrent backtraces
2632	or warn "ERROR: unable to write runtime file: $!";	3452	if ($_log_backtrace < 2) {
		3453	++$_log_backtrace;
		3454	async {
		3455	my @bt = fork_call {
		3456	@addr = map { sprintf "%x", $_ } @addr;
		3457	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3458	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3459	or die "addr2line: $!";
		3460
		3461	my @funcs;
		3462	my @res = <$fh>;
		3463	chomp for @res;
		3464	while (@res) {
		3465	my ($func, $line) = splice @res, 0, 2, ();
		3466	push @funcs, "[$func] $line";
		3467	}
		3468
		3469	@funcs
		3470	};
		3471
		3472	LOG llevInfo, "[ABT] $msg\n";
		3473	LOG llevInfo, "[ABT] $_\n" for @bt;
		3474	--$_log_backtrace;
		3475	};
		3476	} else {
		3477	LOG llevInfo, "[ABT] $msg\n";
		3478	LOG llevInfo, "[ABT] [suppressed]\n";
2633	},	3479	}
2634	);	3480	}
		3481
		3482	# load additional modules
		3483	use cf::pod;
2635		3484
2636	END { cf::emergency_save }	3485	END { cf::emergency_save }
2637		3486
2638	1	3487	1
2639		3488

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