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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC vs.
Revision 1.336 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;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
37		47
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
40	our %COMMAND = ();	52	our %COMMAND = ();
41	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
42		54
43	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
47		60
		61	our $RELOAD; # number of reloads so far
48	our @EVENT;	62	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		63
51	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52	our $TICK_WATCHER;	77	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
54	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	80	our $NEXT_TICK;
56	our $NOW;	81	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		83
59	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
…		…
65	our $RUNTIME;	90	our $RUNTIME;
66		91
67	our %PLAYER; # all users	92	our %PLAYER; # all users
68	our %MAP; # all maps	93	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		95
76	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
79	binmode STDOUT;	103	binmode STDOUT;
80	binmode STDERR;	104	binmode STDERR;
81		105
82	# read virtual server time, if available	106	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
87	}	111	}
88		112
89	mkdir cf::localdir;	113	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		115
96	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
97		117
98	sub cf::map::normalise;	118	sub cf::map::normalise;
99		119
…		…
110	=item $cf::RUNTIME	130	=item $cf::RUNTIME
111		131
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	133	every server tick.
114		134
115	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		138
117	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
119		143
120	=item $cf::NOW	144	=item $cf::NOW
121		145
122	The time of the last (current) server tick.	146	The time of the last (current) server tick.
123		147
124	=item $cf::TICK	148	=item $cf::TICK
125		149
126	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
127		161
128	=item %cf::CFG	162	=item %cf::CFG
129		163
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	165	from wherever your confdir points to.
132		166
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		168
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
139		178
140	=back	179	=back
141		180
142	=cut	181	=cut
143		182
144	BEGIN {	183	BEGIN {
145	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	185	my $msg = join "", @_;
147	utf8::encode $msg;
148		186
149	$msg .= "\n"	187	$msg .= "\n"
150	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
151		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
152	LOG llevError, $msg;	193	LOG llevError, $msg;
153	};	194	};
154	}	195	}
155		196
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		204
163	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	206	# within the Safe compartment.
165	for my $pkg (qw(	207	for my $pkg (qw(
166	cf::global cf::attachable	208	cf::global cf::attachable
…		…
174	}	216	}
175		217
176	$Event::DIED = sub {	218	$Event::DIED = sub {
177	warn "error in event callback: @_";	219	warn "error in event callback: @_";
178	};	220	};
		221
		222	#############################################################################
179		223
180	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
181		225
182	=over 4	226	=over 4
183		227
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	247	$d
204	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
205	}	249	}
206		250
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
210		252
211	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
212		254
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
221		256
222	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
223		258
224	=cut	259	=cut
225		260
226	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
228	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
230		265
231	=item cf::lock_wait $string	266	=item cf::lock_wait $string
232		267
233	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
234		269
…		…
240	returned.	275	returned.
241		276
242	Lock names should begin with a unique identifier (for example, cf::map::find	277	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
244		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
245	=cut	284	=cut
246		285
247	our %LOCK;	286	our %LOCK;
248		287
249	sub lock_wait($) {	288	sub lock_wait($) {
…		…
268	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
270	}	309	}
271	}	310	}
272		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
273	sub freeze_mainloop {	318	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
275		320
276	my $guard = Coro::guard {	321	my $guard = Coro::guard {
277	$TICK_WATCHER->start;	322	$TICK_WATCHER->start;
278	$WRITE_RUNTIME_WATCHER->start;
279	};	323	};
280	$WRITE_RUNTIME_WATCHER->stop;
281	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
282	$guard	325	$guard
		326	}
		327
		328	=item cf::get_slot $time[, $priority[, $name]]
		329
		330	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		331	This call blocks and returns only when you have at least C<$time> seconds
		332	of cpu time till the next tick. The slot is only valid till the next cede.
		333
		334	The optional C<$name> can be used to identify the job to run. It might be
		335	used for statistical purposes and should identify the same time-class.
		336
		337	Useful for short background jobs.
		338
		339	=cut
		340
		341	our @SLOT_QUEUE;
		342	our $SLOT_QUEUE;
		343
		344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		345	$SLOT_QUEUE = Coro::async {
		346	my $signal = new Coro::Signal;
		347
		348	while () {
		349	next_job:
		350	my $avail = cf::till_tick;
		351	if ($avail > 0.01) {
		352	for (0 .. $#SLOT_QUEUE) {
		353	if ($SLOT_QUEUE[$_][0] < $avail) {
		354	my $job = splice @SLOT_QUEUE, $_, 1, ();
		355	$job->[2]->send;
		356	Coro::cede;
		357	goto next_job;
		358	}
		359	}
		360	}
		361
		362	if (@SLOT_QUEUE) {
		363	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		364	push @cf::WAIT_FOR_TICK, $signal;
		365	$signal->wait;
		366	} else {
		367	Coro::schedule;
		368	}
		369	}
		370	};
		371
		372	sub get_slot($;$$) {
		373	my ($time, $pri, $name) = @_;
		374
		375	$time = $TICK * .6 if $time > $TICK * .6;
		376	my $sig = new Coro::Signal;
		377
		378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		380	$SLOT_QUEUE->ready;
		381	$sig->wait;
283	}	382	}
284		383
285	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
286		385
287	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		391
293	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
294		393
295	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
296		395
297	The design of crossfire+ requires that the main coro ($Coro::main) is	396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	397	is always able to handle events or runnable, as Crossfire TRT is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		399	acceptable.
300		400
301	If it must be done, put the blocking parts into C<sync_job>. This will run	401	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	402	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	403	server will be frozen during this time, so the block should either finish
304	fast or be very important.	404	fast or be very important.
…		…
307		407
308	sub sync_job(&) {	408	sub sync_job(&) {
309	my ($job) = @_;	409	my ($job) = @_;
310		410
311	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
312	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
314		416
315	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
327		429
328	while ($busy) {	430	while ($busy) {
329	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
330	}	432	}
331		433
		434	$time = Event::time - $time;
		435
		436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		438
		439	$tick_start += $time; # do not account sync jobs to server load
		440
332	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
333	} else {	442	} else {
334	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
335		444
336	$job->()	445	$job->()
…		…
355	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
356		465
357	$coro	466	$coro
358	}	467	}
359		468
360	sub write_runtime {	469	=item fork_call { }, $args
361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362		470
363	my $runtime = cf::localdir . "/runtime";	471	Executes the given code block with the given arguments in a seperate
		472	process, returning the results. Everything must be serialisable with
		473	Coro::Storable. May, of course, block. Note that the executed sub may
		474	never block itself or use any form of Event handling.
364		475
365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	476	=cut
366	or return;
367		477
368	my $value = $cf::RUNTIME + 90 + 10;	478	sub fork_call(&@) {
369	# 10 is the runtime save interval, for a monotonic clock	479	my ($cb, @args) = @_;
370	# 60 allows for the watchdog to kill the server.
371		480
372	(aio_write $fh, 0, (length $value), $value, 0) <= 0	481	# we seemingly have to make a local copy of the whole thing,
373	and return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
374		484
375	# always fsync - this file is important	485	my @res = Coro::Util::fork_eval {
376	aio_fsync $fh	486	reset_signals;
377	and return;	487	&$cb
		488	}, @args;
378		489
379	close $fh	490	wantarray ? @res : $res[-1]
380	or return;	491	}
381		492
382	aio_rename "$runtime~", $runtime	493	=item $value = cf::db_get $family => $key
383	and return;
384		494
		495	Returns a single value from the environment database.
		496
		497	=item cf::db_put $family => $key => $value
		498
		499	Stores the given C<$value> in the family. It can currently store binary
		500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		501
		502	=cut
		503
		504	our $DB;
		505
		506	sub db_init {
		507	unless ($DB) {
		508	$DB = BDB::db_create $DB_ENV;
		509
		510	cf::sync_job {
		511	eval {
		512	$DB->set_flags (BDB::CHKSUM);
		513
		514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		516	cf::cleanup "db_open(db): $!" if $!;
		517	};
		518	cf::cleanup "db_open(db): $@" if $@;
		519	};
385	1	520	}
		521	}
		522
		523	sub db_get($$) {
		524	my $key = "$_[0]/$_[1]";
		525
		526	cf::sync_job {
		527	BDB::db_get $DB, undef, $key, my $data;
		528
		529	$! ? ()
		530	: $data
		531	}
		532	}
		533
		534	sub db_put($$$) {
		535	BDB::dbreq_pri 4;
		536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		537	}
		538
		539	=item cf::cache $id => [$paths...], $processversion => $process
		540
		541	Generic caching function that returns the value of the resource $id,
		542	caching and regenerating as required.
		543
		544	This function can block.
		545
		546	=cut
		547
		548	sub cache {
		549	my ($id, $src, $processversion, $process) = @_;
		550
		551	my $meta =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	aio_stat $_
		556	and Carp::croak "$_: $!";
		557
		558	($_, (stat _)[7,9])
		559	} @$src;
		560
		561	my $dbmeta = db_get cache => "$id/meta";
		562	if ($dbmeta ne $meta) {
		563	# changed, we may need to process
		564
		565	my @data;
		566	my $md5;
		567
		568	for (0 .. $#$src) {
		569	0 <= aio_load $src->[$_], $data[$_]
		570	or Carp::croak "$src->[$_]: $!";
		571	}
		572
		573	# if processing is expensive, check
		574	# checksum first
		575	if (1) {
		576	$md5 =
		577	join "\x00",
		578	$processversion,
		579	map {
		580	Coro::cede;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
		607	}
		608
		609	=item cf::datalog type => key => value, ...
		610
		611	Log a datalog packet of the given type with the given key-value pairs.
		612
		613	=cut
		614
		615	sub datalog($@) {
		616	my ($type, %kv) = @_;
		617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
386	}	618	}
387		619
388	=back	620	=back
389		621
390	=cut	622	=cut
…		…
397	attach callbacks/event handlers (a collection of which is called an "attachment")	629	attach callbacks/event handlers (a collection of which is called an "attachment")
398	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
399		631
400	In the following description, CLASS can be any of C<global>, C<object>	632	In the following description, CLASS can be any of C<global>, C<object>
401	C<player>, C<client> or C<map> (i.e. the attachable objects in	633	C<player>, C<client> or C<map> (i.e. the attachable objects in
402	crossfire+).	634	Crossfire TRT).
403		635
404	=over 4	636	=over 4
405		637
406	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
407		639
…		…
570	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
571		803
572	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
573	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
574	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
575	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
576		808
577	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
578	my $pkg = shift @arg;	810	my $pkg = shift @arg;
579		811
580	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
609	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
610	}	842	}
611		843
612	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
613	} else {	845	} else {
614	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
615	}	847	}
616		848
617	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
618	}	850	}
619		851
…		…
621	if (ref $_[0]) {	853	if (ref $_[0]) {
622	_object_attach @_;	854	_object_attach @_;
623	} else {	855	} else {
624	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
625	}	857	}
		858	_recalc_want;
626	};	859	};
627		860
628	# all those should be optimised	861	# all those should be optimised
629	sub cf::attachable::detach {	862	sub cf::attachable::detach {
630	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
633	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
634	reattach ($obj);	867	reattach ($obj);
635	} else {	868	} else {
636	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
637	}	870	}
		871	_recalc_want;
638	};	872	};
639		873
640	sub cf::attachable::attached {	874	sub cf::attachable::attached {
641	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
642		876
…		…
657	";	891	";
658	die if $@;	892	die if $@;
659	}	893	}
660		894
661	our $override;	895	our $override;
662	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	896	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
663		897
664	sub override {	898	sub override {
665	$override = 1;	899	$override = 1;
666	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
667	}	901	}
668		902
669	sub do_invoke {	903	sub do_invoke {
670	my $event = shift;	904	my $event = shift;
671	my $callbacks = shift;	905	my $callbacks = shift;
672		906
673	@invoke_results = ();	907	@INVOKE_RESULTS = ();
674		908
675	local $override;	909	local $override;
676		910
677	for (@$callbacks) {	911	for (@$callbacks) {
678	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
695		929
696	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
697		931
698	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	932	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
699	removed in future versions), and there is no public API to access override	933	removed in future versions), and there is no public API to access override
700	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
701		935
702	=back	936	=back
703		937
704	=cut	938	=cut
705		939
706	#############################################################################	940	#############################################################################
707	# object support	941	# object support
		942	#
		943
		944	sub _can_merge {
		945	my ($ob1, $ob2) = @_;
		946
		947	local $Storable::canonical = 1;
		948	my $fob1 = Storable::freeze $ob1;
		949	my $fob2 = Storable::freeze $ob2;
		950
		951	$fob1 eq $fob2
		952	}
708		953
709	sub reattach {	954	sub reattach {
710	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
711	my ($obj) = @_;	956	my ($obj) = @_;
712		957
…		…
789	}	1034	}
790	} else {	1035	} else {
791	aio_unlink $filename;	1036	aio_unlink $filename;
792	aio_unlink "$filename.pst";	1037	aio_unlink "$filename.pst";
793	}	1038	}
794
795	#d##TODO# nuke non .map-files if exist
796	if ($filename =~ s/\.map$//) {
797	aio_unlink $filename;
798	aio_unlink "$filename.pst";
799	}
800	}	1039	}
801	}	1040	}
802		1041
803	sub object_freezer_as_string {	1042	sub object_freezer_as_string {
804	my ($rdata, $objs) = @_;	1043	my ($rdata, $objs) = @_;
…		…
810		1049
811	sub object_thawer_load {	1050	sub object_thawer_load {
812	my ($filename) = @_;	1051	my ($filename) = @_;
813		1052
814	my ($data, $av);	1053	my ($data, $av);
815
816	#d#TODO remove .map if file does not exist
817	aio_stat $filename and $filename =~ s/\.map$//;
818		1054
819	(aio_load $filename, $data) >= 0	1055	(aio_load $filename, $data) >= 0
820	or return;	1056	or return;
821		1057
822	unless (aio_stat "$filename.pst") {	1058	unless (aio_stat "$filename.pst") {
…		…
824	or return;	1060	or return;
825	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
826	}	1062	}
827		1063
828	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
829	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
830	return ($data, $av);	1066	return ($data, $av);
831	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
832		1074
833	#############################################################################	1075	#############################################################################
834	# command handling &c	1076	# command handling &c
835		1077
836	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
849	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
850	}	1092	}
851		1093
852	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
853		1095
854	Register a callbackf ro execution when the client sends an extcmd packet.	1096	Register a callback for execution when the client sends an (synchronous)
		1097	extcmd packet. Ext commands will be processed in the order they are
		1098	received by the server, like other user commands. The first argument is
		1099	the logged-in player. Ext commands can only be processed after a player
		1100	has logged in successfully.
855		1101
856	If the callback returns something, it is sent back as if reply was being	1102	If the callback returns something, it is sent back as if reply was being
857	called.	1103	called.
858		1104
		1105	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1106
		1107	Register a callback for execution when the client sends an (asynchronous)
		1108	exticmd packet. Exti commands are processed by the server as soon as they
		1109	are received, i.e. out of order w.r.t. other commands. The first argument
		1110	is a client socket. Exti commands can be received anytime, even before
		1111	log-in.
		1112
		1113	If the callback returns something, it is sent back as if reply was being
		1114	called.
		1115
859	=cut	1116	=cut
860		1117
861	sub register_extcmd {	1118	sub register_extcmd {
862	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
863		1120
864	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
865	}	1128	}
866		1129
867	cf::player->attach (	1130	cf::player->attach (
868	on_command => sub {	1131	on_command => sub {
869	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
878	cf::override;	1141	cf::override;
879	},	1142	},
880	on_extcmd => sub {	1143	on_extcmd => sub {
881	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
882		1145
883	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
884		1147
885	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
887	if (my %reply = $cb->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
888	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
889	}	1158	if $reply;
890	}	1159	}
891	} else {	1160	} else {
892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
893	}	1162	}
894		1163
895	cf::override;	1164	cf::override;
896	},	1165	},
897	);	1166	);
898		1167
899	sub load_extension {
900	my ($path) = @_;
901
902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
903	my $base = $1;
904	my $pkg = $1;
905	$pkg =~ s/[^[:word:]]/_/g;
906	$pkg = "ext::$pkg";
907
908	warn "... loading '$path' into '$pkg'\n";
909
910	open my $fh, "<:utf8", $path
911	or die "$path: $!";
912
913	my $source =
914	"package $pkg; use strict; use utf8;\n"
915	. "#line 1 \"$path\"\n{\n"
916	. (do { local $/; <$fh> })
917	. "\n};\n1";
918
919	unless (eval $source) {
920	my $msg = $@ ? "$path: $@\n"
921	: "extension disabled.\n";
922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
923	warn $@;
924	warn "mandatory extension failed to load, exiting.\n";
925	exit 1;
926	}
927	die $@;
928	}
929
930	push @EXTS, $pkg;
931	}
932
933	sub load_extensions {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
934	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
935	next unless -r $ext;	1173	next unless -r $path;
936	eval {	1174
937	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;
938	1	1232	}
939	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
940	}	1238	};
941	}	1239	}
942		1240
943	#############################################################################	1241	#############################################################################
944		1242
		1243	=back
		1244
945	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
946		1246
947	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
948		1248
949	=cut	1249	=cut
…		…
961	Returns the given player object, loading it if necessary (might block).	1261	Returns the given player object, loading it if necessary (might block).
962		1262
963	=cut	1263	=cut
964		1264
965	sub playerdir($) {	1265	sub playerdir($) {
966	cf::localdir	1266	"$PLAYERDIR/"
967	. "/"
968	. cf::playerdir
969	. "/"
970	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1267	. (ref $_[0] ? $_[0]->ob->name : $_[0])
971	}	1268	}
972		1269
973	sub path($) {	1270	sub path($) {
974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1271	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975		1272
976	(playerdir $login) . "/$login.pl"	1273	(playerdir $login) . "/playerdata"
977	}	1274	}
978		1275
979	sub find_active($) {	1276	sub find_active($) {
980	$cf::PLAYER{$_[0]}	1277	$cf::PLAYER{$_[0]}
981	and $cf::PLAYER{$_[0]}->active	1278	and $cf::PLAYER{$_[0]}->active
…		…
994	my $login = $_[0];	1291	my $login = $_[0];
995		1292
996	my $guard = cf::lock_acquire "user_find:$login";	1293	my $guard = cf::lock_acquire "user_find:$login";
997		1294
998	$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
999	my $pl = load_pl path $login	1303	my $pl = load_pl path $login
1000	or return;	1304	or return;
1001	$cf::PLAYER{$login} = $pl	1305	$cf::PLAYER{$login} = $pl
1002	}	1306	}
1003	}	1307	}
…		…
1031	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
1032		1336
1033	$self	1337	$self
1034	}	1338	}
1035		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
1036	=item $pl->quit_character	1350	=item $pl->quit_character
1037		1351
1038	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
1039	be destroyed. May block for a long time.	1353	be destroyed. May block for a long time.
1040		1354
1041	=cut	1355	=cut
1042		1356
1043	sub quit_character {	1357	sub quit_character {
1044	my ($pl) = @_;	1358	my ($pl) = @_;
		1359
		1360	my $name = $pl->ob->name;
1045		1361
1046	$pl->{deny_save} = 1;	1362	$pl->{deny_save} = 1;
1047	$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
1048		1364
1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1054	my $path = playerdir $pl;	1370	my $path = playerdir $pl;
1055	my $temp = "$path~$cf::RUNTIME~deleting~";	1371	my $temp = "$path~$cf::RUNTIME~deleting~";
1056	aio_rename $path, $temp;	1372	aio_rename $path, $temp;
1057	delete $cf::PLAYER{$pl->ob->name};	1373	delete $cf::PLAYER{$pl->ob->name};
1058	$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
1059	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;
1060	}	1396	}
1061		1397
1062	=item cf::player::list_logins	1398	=item cf::player::list_logins
1063		1399
1064	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
1065	while and may block, so not sync_job-capable, ever.	1401	while and may block, so not sync_job-capable, ever.
1066		1402
1067	=cut	1403	=cut
1068		1404
1069	sub list_logins {	1405	sub list_logins {
1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1406	my $dirs = aio_readdir $PLAYERDIR
1071	or return [];	1407	or return [];
1072		1408
1073	my @logins;	1409	my @logins;
1074		1410
1075	for my $login (@$dirs) {	1411	for my $login (@$dirs) {
…		…
1110	}	1446	}
1111		1447
1112	\@paths	1448	\@paths
1113	}	1449	}
1114		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
1115	=item $player->ext_reply ($msgid, $msgtype, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1116		1502
1117	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1118		1504
1119	=cut	1505	=cut
1120		1506
1121	sub ext_reply($$$%) {	1507	sub ext_reply($$@) {
1122	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1123		1509
1124	$msg{msgid} = $id;	1510	$self->ns->ext_reply ($id, @msg)
1125
1126	$self->send ("ext " . cf::to_json \%msg);
1127	}	1511	}
1128		1512
1129	package cf;	1513	=item $player->ext_msg ($type, @msg)
		1514
		1515	Sends an ext event to the client.
		1516
		1517	=cut
		1518
		1519	sub ext_msg($$@) {
		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	$match
		1552	}
1130		1553
1131	=back	1554	=back
1132
1133		1555
1134	=head3 cf::map	1556	=head3 cf::map
1135		1557
1136	=over 4	1558	=over 4
1137		1559
…		…
1192	my ($self, $merge) = @_;	1614	my ($self, $merge) = @_;
1193		1615
1194	# we have to keep some variables in memory intact	1616	# we have to keep some variables in memory intact
1195	local $self->{path};	1617	local $self->{path};
1196	local $self->{load_path};	1618	local $self->{load_path};
1197	local $self->{deny_save};
1198	local $self->{deny_reset};
1199		1619
1200	$self->SUPER::thawer_merge ($merge);	1620	$self->SUPER::thawer_merge ($merge);
1201	}	1621	}
1202		1622
1203	sub normalise {	1623	sub normalise {
…		…
1250	$self->init; # pass $1 etc.	1670	$self->init; # pass $1 etc.
1251	return $self;	1671	return $self;
1252	}	1672	}
1253	}	1673	}
1254		1674
1255	Carp::carp "unable to resolve path '$path' (base '$base').";	1675	Carp::cluck "unable to resolve path '$path' (base '$base').";
1256	()	1676	()
1257	}	1677	}
1258		1678
1259	sub init {	1679	sub init {
1260	my ($self) = @_;	1680	my ($self) = @_;
…		…
1275		1695
1276	# the original (read-only) location	1696	# the original (read-only) location
1277	sub load_path {	1697	sub load_path {
1278	my ($self) = @_;	1698	my ($self) = @_;
1279		1699
1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1700	"$MAPDIR/$self->{path}.map"
1281	}	1701	}
1282		1702
1283	# the temporary/swap location	1703	# the temporary/swap location
1284	sub save_path {	1704	sub save_path {
1285	my ($self) = @_;	1705	my ($self) = @_;
1286		1706
1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1707	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1708	"$TMPDIR/$path.map"
1289	}	1709	}
1290		1710
1291	# the unique path, undef == no special unique path	1711	# the unique path, undef == no special unique path
1292	sub uniq_path {	1712	sub uniq_path {
1293	my ($self) = @_;	1713	my ($self) = @_;
1294		1714
1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1715	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1716	"$UNIQUEDIR/$path"
1297	}	1717	}
1298		1718
1299	# and all this just because we cannot iterate over	1719	# and all this just because we cannot iterate over
1300	# all maps in C++...	1720	# all maps in C++...
1301	sub change_all_map_light {	1721	sub change_all_map_light {
…		…
1303		1723
1304	$_->change_map_light ($change)	1724	$_->change_map_light ($change)
1305	for grep $_->outdoor, values %cf::MAP;	1725	for grep $_->outdoor, values %cf::MAP;
1306	}	1726	}
1307		1727
		1728	sub decay_objects {
		1729	my ($self) = @_;
		1730
		1731	return if $self->{deny_reset};
		1732
		1733	$self->do_decay_objects;
		1734	}
		1735
1308	sub unlink_save {	1736	sub unlink_save {
1309	my ($self) = @_;	1737	my ($self) = @_;
1310		1738
1311	utf8::encode (my $save = $self->save_path);	1739	utf8::encode (my $save = $self->save_path);
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1740	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1741	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315	#d#TODO remove .map and also nuke
1316	$save =~ s/\.map// or return;#d#
1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319	}	1742	}
1320		1743
1321	sub load_header_from($) {	1744	sub load_header_from($) {
1322	my ($self, $path) = @_;	1745	my ($self, $path) = @_;
1323		1746
…		…
1373	$self->load_header_orig	1796	$self->load_header_orig
1374	or return;	1797	or return;
1375	$self->prepare_orig;	1798	$self->prepare_orig;
1376	}	1799	}
1377		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
1378	1	1807	1
1379	}	1808	}
1380		1809
1381	sub find;	1810	sub find;
1382	sub find {	1811	sub find {
…		…
1394	$map->{last_save} = $cf::RUNTIME;	1823	$map->{last_save} = $cf::RUNTIME;
1395		1824
1396	$map->load_header	1825	$map->load_header
1397	or return;	1826	or return;
1398		1827
1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1828	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400	# doing this can freeze the server in a sync job, obviously	1829	# doing this can freeze the server in a sync job, obviously
1401	#$cf::WAIT_FOR_TICK->wait;	1830	#$cf::WAIT_FOR_TICK->wait;
1402	$map->reset;	1831	$map->reset;
1403	undef $guard;	1832	undef $guard;
1404	return find $path;	1833	return find $path;
…		…
1415	my ($self) = @_;	1844	my ($self) = @_;
1416		1845
1417	local $self->{deny_reset} = 1; # loading can take a long time	1846	local $self->{deny_reset} = 1; # loading can take a long time
1418		1847
1419	my $path = $self->{path};	1848	my $path = $self->{path};
		1849
		1850	{
1420	my $guard = cf::lock_acquire "map_load:$path";	1851	my $guard = cf::lock_acquire "map_load:$path";
1421		1852
1422	return if $self->in_memory != cf::MAP_SWAPPED;	1853	return if $self->in_memory != cf::MAP_SWAPPED;
1423		1854
1424	$self->in_memory (cf::MAP_LOADING);	1855	$self->in_memory (cf::MAP_LOADING);
1425		1856
1426	$self->alloc;	1857	$self->alloc;
1427		1858
1428	$self->pre_load;	1859	$self->pre_load;
1429
1430	$self->_load_objects ($self->{load_path}, 1)
1431	or return;
1432
1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1434	if delete $self->{load_original};
1435
1436	if (my $uniq = $self->uniq_path) {
1437	utf8::encode $uniq;
1438	if (aio_open $uniq, O_RDONLY, 0) {
1439	$self->clear_unique_items;
1440	$self->_load_objects ($uniq, 0);
1441	}
1442	}
1443
1444	Coro::cede;
1445
1446	# now do the right thing for maps
1447	$self->link_multipart_objects;
1448
1449	unless ($self->{deny_activate}) {
1450	$self->decay_objects;
1451	$self->fix_auto_apply;
1452	$self->update_buttons;
1453	Coro::cede;	1860	Coro::cede;
1454	$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;
1455	$self->difficulty ($self->estimate_difficulty)	1879	$self->difficulty ($self->estimate_difficulty)
1456	unless $self->difficulty;	1880	unless $self->difficulty;
1457	Coro::cede;	1881	Coro::cede;
		1882
		1883	unless ($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;
1458	$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);
1459	}	1897	}
1460		1898
1461	$self->post_load;	1899	$self->post_load;
1462
1463	$self->in_memory (cf::MAP_IN_MEMORY);
1464	}	1900	}
1465		1901
1466	sub customise_for {	1902	sub customise_for {
1467	my ($self, $ob) = @_;	1903	my ($self, $ob) = @_;
1468		1904
1469	return find "~" . $ob->name . "/" . $self->{path}	1905	return find "~" . $ob->name . "/" . $self->{path}
1470	if $self->per_player;	1906	if $self->per_player;
1471		1907
		1908	# return find "?party/" . $ob->name . "/" . $self->{path}
		1909	# if $self->per_party;
		1910
1472	$self	1911	$self
1473	}	1912	}
1474		1913
1475	# find and load all maps in the 3x3 area around a map	1914	# find and load all maps in the 3x3 area around a map
1476	sub load_diag {	1915	sub load_neighbours {
1477	my ($map) = @_;	1916	my ($map) = @_;
1478		1917
1479	my @diag; # diagonal neighbours	1918	my @neigh; # diagonal neighbours
1480		1919
1481	for (0 .. 3) {	1920	for (0 .. 3) {
1482	my $neigh = $map->tile_path ($_)	1921	my $neigh = $map->tile_path ($_)
1483	or next;	1922	or next;
1484	$neigh = find $neigh, $map	1923	$neigh = find $neigh, $map
1485	or next;	1924	or next;
1486	$neigh->load;	1925	$neigh->load;
1487		1926
		1927	push @neigh,
1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1928	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1929	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1490	}	1930	}
1491		1931
1492	for (@diag) {	1932	for (grep defined $_->[0], @neigh) {
		1933	my ($path, $origin) = @$_;
1493	my $neigh = find @$_	1934	my $neigh = find $path, $origin
1494	or next;	1935	or next;
1495	$neigh->load;	1936	$neigh->load;
1496	}	1937	}
1497	}	1938	}
1498		1939
…		…
1522		1963
1523	undef $MAP_PREFETCH{$path};	1964	undef $MAP_PREFETCH{$path};
1524	$MAP_PREFETCHER ||= cf::async {	1965	$MAP_PREFETCHER ||= cf::async {
1525	while (%MAP_PREFETCH) {	1966	while (%MAP_PREFETCH) {
1526	for my $path (keys %MAP_PREFETCH) {	1967	for my $path (keys %MAP_PREFETCH) {
1527	my $map = find $path	1968	if (my $map = find $path) {
1528	or next;
1529	$map->load;	1969	$map->load;
		1970	}
1530		1971
1531	delete $MAP_PREFETCH{$path};	1972	delete $MAP_PREFETCH{$path};
1532	}	1973	}
1533	}	1974	}
1534	undef $MAP_PREFETCHER;	1975	undef $MAP_PREFETCHER;
…		…
1586		2027
1587	sub reset_at {	2028	sub reset_at {
1588	my ($self) = @_;	2029	my ($self) = @_;
1589		2030
1590	# TODO: safety, remove and allow resettable per-player maps	2031	# TODO: safety, remove and allow resettable per-player maps
1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1592	return 1e99 if $self->{deny_reset};	2032	return 1e99 if $self->{deny_reset};
1593		2033
1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2034	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2035	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1596		2036
…		…
1607	my ($self) = @_;	2047	my ($self) = @_;
1608		2048
1609	my $lock = cf::lock_acquire "map_data:$self->{path}";	2049	my $lock = cf::lock_acquire "map_data:$self->{path}";
1610		2050
1611	return if $self->players;	2051	return if $self->players;
1612	return if $self->isa ("ext::map_per_player");#d#
1613		2052
1614	warn "resetting map ", $self->path;#d#	2053	warn "resetting map ", $self->path;
1615		2054
1616	$self->in_memory (cf::MAP_SWAPPED);	2055	$self->in_memory (cf::MAP_SWAPPED);
1617		2056
1618	# need to save uniques path	2057	# need to save uniques path
1619	unless ($self->{deny_save}) {	2058	unless ($self->{deny_save}) {
…		…
1651	$cf::MAP{$self->path} = $self;	2090	$cf::MAP{$self->path} = $self;
1652		2091
1653	$self->reset; # polite request, might not happen	2092	$self->reset; # polite request, might not happen
1654	}	2093	}
1655		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
1656	=item cf::map::unique_maps	2131	=item cf::map::unique_maps
1657		2132
1658	Returns an arrayref of paths of all shared maps that have	2133	Returns an arrayref of paths of all shared maps that have
1659	instantiated unique items. May block.	2134	instantiated unique items. May block.
1660		2135
1661	=cut	2136	=cut
1662		2137
1663	sub unique_maps() {	2138	sub unique_maps() {
1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2139	[
1665	or return;	2140	map {
1666
1667	my @paths;
1668
1669	for (@$files) {
1670	utf8::decode $_;	2141	utf8::decode $_;
1671	next if /\.pst$/;	2142	/\.map$/
1672	next unless /^$PATH_SEP/o;	2143	? normalise $_
1673		2144	: ()
1674	push @paths, cf::map::normalise $_;	2145	} @{ aio_readdir $UNIQUEDIR or [] }
1675	}	2146	]
1676
1677	\@paths
1678	}	2147	}
1679		2148
1680	package cf;	2149	package cf;
1681		2150
1682	=back	2151	=back
…		…
1728		2197
1729	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2198	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730		2199
1731	if ($self->{record_replies}) {	2200	if ($self->{record_replies}) {
1732	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2201	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2202
1733	} 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 {
1734	$msg = $npc->name . " says: $msg" if $npc;	2211	$msg = $npc->name . " says: $msg" if $npc;
1735	$self->message ($msg, $flags);	2212	$self->message ($msg, $flags);
		2213	}
1736	}	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 (@_);
1737	}	2225	}
1738		2226
1739	=item $player_object->may ("access")	2227	=item $player_object->may ("access")
1740		2228
1741	Returns wether the given player is authorized to access resource "access"	2229	Returns wether the given player is authorized to access resource "access"
…		…
1788	$self->deactivate_recursive;	2276	$self->deactivate_recursive;
1789		2277
1790	return if UNIVERSAL::isa $self->map, "ext::map_link";	2278	return if UNIVERSAL::isa $self->map, "ext::map_link";
1791		2279
1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2280	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793	if $self->map;	2281	if $self->map && $self->map->{path} ne "{link}";
1794		2282
1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2283	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1796	}	2284	}
1797		2285
1798	sub cf::object::player::leave_link {	2286	sub cf::object::player::leave_link {
1799	my ($self, $map, $x, $y) = @_;	2287	my ($self, $map, $x, $y) = @_;
		2288
		2289	return unless $self->contr->active;
1800		2290
1801	my $link_pos = delete $self->{_link_pos};	2291	my $link_pos = delete $self->{_link_pos};
1802		2292
1803	unless ($map) {	2293	unless ($map) {
1804	# restore original map position	2294	# restore original map position
…		…
1818	# use -1 or undef as default coordinates, not 0, 0	2308	# use -1 or undef as default coordinates, not 0, 0
1819	($x, $y) = ($map->enter_x, $map->enter_y)	2309	($x, $y) = ($map->enter_x, $map->enter_y)
1820	if $x <=0 && $y <= 0;	2310	if $x <=0 && $y <= 0;
1821		2311
1822	$map->load;	2312	$map->load;
1823	$map->load_diag;	2313	$map->load_neighbours;
1824		2314
1825	return unless $self->contr->active;	2315	return unless $self->contr->active;
1826	$self->activate_recursive;	2316	$self->activate_recursive;
		2317
		2318	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2319	$self->enter_map ($map, $x, $y);
1828	}	2320	}
1829		2321
1830	cf::player->attach (	2322	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2323
1834	# abort map switching before logout	2324	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2325	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2326	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2327	the new (success) or old (failed) map position. In either case, $done will
1838	};	2328	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2329
1844	# try to abort aborted map switching on player login :)
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	# we need this sleep as the login has a concurrent enter_exit running
1850	# and this sleep increases chances of the player not ending up in scorn
1851	$pl->ob->reply (undef,
1852	"There was an internal problem at your last logout, "
1853	. "the server will try to bring you to your intended destination in a second.",
1854	cf::NDI_RED);
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2330	=cut
		2331
		2332	our $GOTOGEN;
1865		2333
1866	sub cf::object::player::goto {	2334	sub cf::object::player::goto {
1867	my ($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;
1868		2339
1869	$self->enter_link;	2340	$self->enter_link;
1870		2341
1871	(async {	2342	(async {
1872	my $map = eval {	2343	my $map = eval {
1873	my $map = cf::map::find $path;	2344	my $map = cf::map::find $path;
		2345
		2346	if ($map) {
1874	$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
1875	$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 $@;
1876	} or	2359	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2360
		2361	if ($gen == $self->{_goto_generation}) {
		2362	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2363	$self->leave_link ($map, $x, $y);
		2364	}
		2365
		2366	$done->() if $done;
1880	})->prio (1);	2367	})->prio (1);
1881	}	2368	}
1882		2369
1883	=item $player_object->enter_exit ($exit_object)	2370	=item $player_object->enter_exit ($exit_object)
1884		2371
…		…
1923		2410
1924	$rmp->{random_seed} ||= $exit->random_seed;	2411	$rmp->{random_seed} ||= $exit->random_seed;
1925		2412
1926	my $data = cf::to_json $rmp;	2413	my $data = cf::to_json $rmp;
1927	my $md5 = Digest::MD5::md5_hex $data;	2414	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2415	my $meta = "$RANDOMDIR/$md5.meta";
1929		2416
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2417	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2418	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2419	undef $fh;
1933	aio_rename "$meta~", $meta;	2420	aio_rename "$meta~", $meta;
…		…
1942		2429
1943	return unless $self->type == cf::PLAYER;	2430	return unless $self->type == cf::PLAYER;
1944		2431
1945	if ($exit->slaying eq "/!") {	2432	if ($exit->slaying eq "/!") {
1946	#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
1947	cf::sync_job { prepare_random_map $exit };	2436	cf::sync_job { prepare_random_map $exit };
1948	}	2437	}
1949		2438
1950	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;
1951	my $hp = $exit->stats->hp;	2440	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;	2441	my $sp = $exit->stats->sp;
1953		2442
1954	$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);
1955		2448
1956	(async {	2449	(async {
1957	$self->deactivate_recursive; # just to be sure	2450	$self->deactivate_recursive; # just to be sure
1958	unless (eval {	2451	unless (eval {
1959	$self->goto ($slaying, $hp, $sp);	2452	$self->goto ($slaying, $hp, $sp);
1960		2453
1961	1;	2454	1;
1962	}) {	2455	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2456	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "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. "
1965	. "Please report this to the dungeon master!",	2458	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2459	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2460
1968	warn "ERROR in enter_exit: $@";	2461	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2462	$self->leave_link;
1970	}	2463	}
1971	})->prio (1);	2464	})->prio (1);
…		…
1984		2477
1985	sub cf::client::send_drawinfo {	2478	sub cf::client::send_drawinfo {
1986	my ($self, $text, $flags) = @_;	2479	my ($self, $text, $flags) = @_;
1987		2480
1988	utf8::encode $text;	2481	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2482	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2483	}
1991		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	}
1992		2583
1993	=item $success = $client->query ($flags, "text", \&cb)	2584	=item $success = $client->query ($flags, "text", \&cb)
1994		2585
1995	Queues a query to the client, calling the given callback with	2586	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2587	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2588	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2589
1999	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
2000	reliable at some point in the future.	2591	become reliable at some point in the future.
2001		2592
2002	=cut	2593	=cut
2003		2594
2004	sub cf::client::query {	2595	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2596	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2604	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2605	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2606
2016	$self->send_packet ($self->{query_queue}[0][0])	2607	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2608	if @{ $self->{query_queue} } == 1;
		2609
		2610	1
2018	}	2611	}
2019		2612
2020	cf::client->attach (	2613	cf::client->attach (
		2614	on_connect => sub {
		2615	my ($ns) = @_;
		2616
		2617	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2618	},
2021	on_reply => sub {	2619	on_reply => sub {
2022	my ($ns, $msg) = @_;	2620	my ($ns, $msg) = @_;
2023		2621
2024	# this weird shuffling is so that direct followup queries	2622	# this weird shuffling is so that direct followup queries
2025	# get handled first	2623	# get handled first
…		…
2037	} else {	2635	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2636	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2637	}
2040	}	2638	}
2041	},	2639	},
		2640	on_exticmd => sub {
		2641	my ($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	},
2042	);	2663	);
2043		2664
2044	=item $client->async (\&cb)	2665	=item $client->async (\&cb)
2045		2666
2046	Create a new coroutine, running the specified callback. The coroutine will	2667	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	2708	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	2709	our $safe_hole = new Safe::Hole;
2089		2710
2090	$SIG{FPE} = 'IGNORE';	2711	$SIG{FPE} = 'IGNORE';
2091		2712
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2713	$safe->permit_only (Opcode::opset qw(
		2714	:base_core :base_mem :base_orig :base_math
		2715	grepstart grepwhile mapstart mapwhile
		2716	sort time
		2717	));
2093		2718
2094	# here we export the classes and methods available to script code	2719	# here we export the classes and methods available to script code
2095		2720
2096	=pod	2721	=pod
2097		2722
2098	The following fucntions and emthods are available within a safe environment:	2723	The following functions and methods are available within a safe environment:
2099		2724
2100	cf::object contr pay_amount pay_player map	2725	cf::object
		2726	contr pay_amount pay_player map x y force_find force_add
		2727	insert remove name archname title slaying race
		2728
2101	cf::object::player player	2729	cf::object::player
2102	cf::player peaceful	2730	player
2103	cf::map trigger	2731
		2732	cf::player
		2733	peaceful
		2734
		2735	cf::map
		2736	trigger
2104		2737
2105	=cut	2738	=cut
2106		2739
2107	for (	2740	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	2741	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2742	insert remove inv name archname title slaying race)],
2109	["cf::object::player" => qw(player)],	2743	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	2744	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	2745	["cf::map" => qw(trigger)],
2112	) {	2746	) {
2113	no strict 'refs';	2747	no strict 'refs';
…		…
2184	=back	2818	=back
2185		2819
2186	=cut	2820	=cut
2187		2821
2188	#############################################################################	2822	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	2823	# the server's init and main functions
2262		2824
2263	sub load_resources {	2825	sub load_facedata($) {
2264	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"
2265	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;
2266	}	2989	}
2267		2990
2268	sub cfg_load {	2991	sub cfg_load {
2269	open my $fh, "<:utf8", cf::confdir . "/config"	2992	open my $fh, "<:utf8", "$CONFDIR/config"
2270	or return;	2993	or return;
2271		2994
2272	local $/;	2995	local $/;
2273	*CFG = YAML::Syck::Load <$fh>;	2996	*CFG = YAML::Syck::Load <$fh>;
2274		2997
…		…
2282	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3005	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2283	and die "WARNING: m(un)lockall failed: $!\n";	3006	and die "WARNING: m(un)lockall failed: $!\n";
2284	};	3007	};
2285	warn $@ if $@;	3008	warn $@ if $@;
2286	}	3009	}
2287	}
2288
2289	sub init {
2290	load_resources;
2291	}	3010	}
2292		3011
2293	sub main {	3012	sub main {
2294	# we must not ever block the main coroutine	3013	# we must not ever block the main coroutine
2295	local $Coro::idle = sub {	3014	local $Coro::idle = sub {
…		…
2323	},	3042	},
2324	);	3043	);
2325	}	3044	}
2326	}	3045	}
2327		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
2328	sub emergency_save() {	3085	sub emergency_save() {
2329	my $freeze_guard = cf::freeze_mainloop;	3086	my $freeze_guard = cf::freeze_mainloop;
2330		3087
2331	warn "enter emergency perl save\n";	3088	warn "enter emergency perl save\n";
2332		3089
…		…
2363		3120
2364	warn Carp::longmess "post_cleanup backtrace"	3121	warn Carp::longmess "post_cleanup backtrace"
2365	if $make_core;	3122	if $make_core;
2366	}	3123	}
2367		3124
2368	sub reload() {	3125	sub do_reload_perl() {
2369	# can/must only be called in main	3126	# can/must only be called in main
2370	if ($Coro::current != $Coro::main) {	3127	if ($Coro::current != $Coro::main) {
2371	warn "can only reload from main coroutine";	3128	warn "can only reload from main coroutine";
2372	return;	3129	return;
2373	}	3130	}
2374		3131
2375	warn "reloading...";	3132	warn "reloading...";
2376		3133
2377	warn "cancelling server ticker";	3134	warn "entering sync_job";
2378	$TICK_WATCHER->cancel;
2379		3135
		3136	cf::sync_job {
		3137	cf::write_runtime; # external watchdog should not bark
2380	cf::emergency_save;	3138	cf::emergency_save;
		3139	cf::write_runtime; # external watchdog should not bark
2381		3140
2382	eval {	3141	warn "syncing database to disk";
		3142	BDB::db_env_txn_checkpoint $DB_ENV;
		3143
2383	# 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
2384		3145
2385	warn "cancelling all WF_AUTOCANCEL watchers";	3146	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {	3147	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;	3148	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}	3149	}
2389
2390	warn "syncing database to disk";
2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392		3150
2393	warn "flushing outstanding aio requests";	3151	warn "flushing outstanding aio requests";
2394	for (;;) {	3152	for (;;) {
2395	BDB::flush;	3153	BDB::flush;
2396	IO::AIO::flush;	3154	IO::AIO::flush;
2397	Coro::cede;	3155	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;	3156	last unless IO::AIO::nreqs || BDB::nreqs;
2399	warn "iterate...";	3157	warn "iterate...";
2400	}	3158	}
2401		3159
		3160	++$RELOAD;
		3161
2402	warn "cancelling all extension coros";	3162	warn "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;	3163	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();	3164	%EXT_CORO = ();
2405		3165
2406	warn "removing commands";	3166	warn "removing commands";
2407	%COMMAND = ();	3167	%COMMAND = ();
2408		3168
2409	warn "removing ext commands";	3169	warn "removing ext/exti commands";
2410	%EXTCMD = ();	3170	%EXTCMD = ();
		3171	%EXTICMD = ();
2411		3172
2412	warn "unloading/nuking all extensions";	3173	warn "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {	3174	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";	3175	warn "... unloading $pkg";
2415		3176
…		…
2445	Symbol::delete_package "safe::$_"	3206	Symbol::delete_package "safe::$_"
2446	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);
2447		3208
2448	warn "unloading cf.pm \"a bit\"";	3209	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3210	delete $INC{"cf.pm"};
		3211	delete $INC{"cf/pod.pm"};
2450		3212
2451	# don't, removes xs symbols, too,	3213	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3214	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3215	#Symbol::delete_package __PACKAGE__;
2454		3216
…		…
2463		3225
2464	warn "loading extensions";	3226	warn "loading extensions";
2465	cf::load_extensions;	3227	cf::load_extensions;
2466		3228
2467	warn "reattaching attachments to objects/players";	3229	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3230	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3231	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3232	reattach $_ for values %MAP;
		3233	warn "reattaching attachments to players";
		3234	reattach $_ for values %PLAYER;
2471		3235
2472	warn "loading reloadable resources";	3236	warn "leaving sync_job";
2473	load_resources;
2474		3237
2475	warn "restarting server ticker";	3238	1
2476		3239	} or do {
2477	$TICK_WATCHER->start;
2478	};
2479
2480	if ($@) {
2481	warn $@;	3240	warn $@;
2482	warn "error while reloading, exiting.";	3241	warn "error while reloading, exiting.";
2483	exit 1;	3242	exit 1;
2484	}	3243	};
2485		3244
2486	warn "reloaded";	3245	warn "reloaded";
2487	};	3246	};
2488		3247
2489	our $RELOAD_WATCHER; # used only during reload	3248	our $RELOAD_WATCHER; # used only during reload
2490		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 $RELOAD_WATCHER;
		3261	},
		3262	);
		3263	}
		3264
2491	register_command "reload" => sub {	3265	register_command "reload" => sub {
2492	my ($who, $arg) = @_;	3266	my ($who, $arg) = @_;
2493		3267
2494	if ($who->flag (FLAG_WIZ)) {	3268	if ($who->flag (FLAG_WIZ)) {
2495	$who->message ("reloading server.");	3269	$who->message ("reloading server.");
2496		3270	async { reload_perl };
2497	# doing reload synchronously and two reloads happen back-to-back,
2498	# coro crashes during coro_state_free->destroy here.
2499
2500	$RELOAD_WATCHER ||= Event->timer (
2501	reentrant => 0,
2502	after => 0,
2503	data => WF_AUTOCANCEL,
2504	cb => sub {
2505	reload;
2506	undef $RELOAD_WATCHER;
2507	},
2508	);
2509	}	3271	}
2510	};	3272	};
2511		3273
2512	unshift @INC, $LIBDIR;	3274	unshift @INC, $LIBDIR;
2513		3275
2514	my $bug_warning = 0;	3276	my $bug_warning = 0;
2515		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;
2516	$TICK_WATCHER = Event->timer (	3301	$TICK_WATCHER = Event->timer (
2517	reentrant => 0,	3302	reentrant => 0,
2518	parked => 1,	3303	parked => 1,
2519	prio => 0,	3304	prio => 0,
2520	at => $NEXT_TICK || $TICK,	3305	at => $NEXT_TICK || $TICK,
…		…
2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3309	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525	unless ++$bug_warning > 10;	3310	unless ++$bug_warning > 10;
2526	return;	3311	return;
2527	}	3312	}
2528		3313
2529	$NOW = Event::time;	3314	$NOW = $tick_start = Event::time;
2530		3315
2531	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
2532	$RUNTIME += $TICK;	3341	$RUNTIME += $TICK;
2533	$NEXT_TICK += $TICK;	3342	$NEXT_TICK += $TICK;
2534		3343
2535	$WAIT_FOR_TICK->broadcast;	3344	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3345	$NEXT_RUNTIME_WRITE = $NOW + 10;
2537		3346	Coro::async_pool {
2538	Event::sweep;	3347	write_runtime
2539	Coro::cede_notself;	3348	or warn "ERROR: unable to write runtime file: $!";
		3349	};
2540		3350	}
		3351
2541	# my $AFTER = Event::time;	3352	# my $AFTER = Event::time;
2542	# warn $AFTER - $NOW;#d#	3353	# warn $AFTER - $NOW;#d#
2543		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
2544	# 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
2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3365	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2546		3366
2547	$TICK_WATCHER->at ($NEXT_TICK);	3367	$TICK_WATCHER->at ($NEXT_TICK);
2548	$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
2549	},	3376	},
2550	);	3377	);
2551		3378
2552	{	3379	{
2553	BDB::max_poll_time $TICK * 0.1;	3380	BDB::max_poll_time $TICK * 0.1;
…		…
2581		3408
2582	cf::sync_job {	3409	cf::sync_job {
2583	eval {	3410	eval {
2584	BDB::db_env_open	3411	BDB::db_env_open
2585	$DB_ENV,	3412	$DB_ENV,
2586	$BDB_ENV_DIR,	3413	$BDBDIR,
2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3414	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3415	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589	0666;	3416	0666;
2590		3417
2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3418	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2592		3419
2593	$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);
2594	$DB_ENV->set_lk_detect;	3421	$DB_ENV->set_lk_detect;
2595	};	3422	};
2596		3423
…		…
2604		3431
2605	undef $Coro::AIO::WATCHER;	3432	undef $Coro::AIO::WATCHER;
2606	IO::AIO::max_poll_time $TICK * 0.1;	3433	IO::AIO::max_poll_time $TICK * 0.1;
2607	$AIO_POLL_WATCHER = Event->io (	3434	$AIO_POLL_WATCHER = Event->io (
2608	reentrant => 0,	3435	reentrant => 0,
		3436	data => WF_AUTOCANCEL,
2609	fd => IO::AIO::poll_fileno,	3437	fd => IO::AIO::poll_fileno,
2610	poll => 'r',	3438	poll => 'r',
2611	prio => 6,	3439	prio => 6,
2612	data => WF_AUTOCANCEL,
2613	cb => \&IO::AIO::poll_cb,	3440	cb => \&IO::AIO::poll_cb,
2614	);	3441	);
2615	}	3442	}
2616		3443
2617	$WRITE_RUNTIME_WATCHER = Event->timer (	3444	my $_log_backtrace;
2618	reentrant => 0,	3445
2619	data => WF_AUTOCANCEL,	3446	sub _log_backtrace {
2620	after => 1,	3447	my ($msg, @addr) = @_;
2621	interval => 10,	3448
2622	prio => 6, # keep it lowest so it acts like a watchdog	3449	$msg =~ s/\n//;
2623	cb => Coro::unblock_sub {	3450
2624	write_runtime	3451	# limit the # of concurrent backtraces
2625	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";
2626	},	3479	}
2627	);	3480	}
		3481
		3482	# load additional modules
		3483	use cf::pod;
2628		3484
2629	END { cf::emergency_save }	3485	END { cf::emergency_save }
2630		3486
2631	1	3487	1
2632		3488

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