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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 1.335 by root, Mon Aug 20 22:21:48 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($$@) {
1122	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1123		1509
1124	$msg{msgid} = $id;	1510	if ($self->ns->extcmd == 2) {
1125		1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1126	$self->send ("ext " . cf::to_json \%msg);	1512	} elsif ($self->ns->extcmd == 1) {
		1513	#TODO: version 1, remove
		1514	unshift @msg, msgtype => "reply", msgid => $id;
		1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1516	}
1127	}	1517	}
1128		1518
1129	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		1526	my ($self, $type, @msg) = @_;
		1527
		1528	$self->ns->ext_msg ($type, @msg);
		1529	}
		1530
		1531	=head3 cf::region
		1532
		1533	=over 4
		1534
		1535	=cut
		1536
		1537	package cf::region;
		1538
		1539	=item cf::region::find_by_path $path
		1540
		1541	Tries to decuce the likely region for a map knowing only its path.
		1542
		1543	=cut
		1544
		1545	sub find_by_path($) {
		1546	my ($path) = @_;
		1547
		1548	my ($match, $specificity);
		1549
		1550	for my $region (list) {
		1551	if ($region->{match} && $path =~ $region->{match}) {
		1552	($match, $specificity) = ($region, $region->specificity)
		1553	if $region->specificity > $specificity;
		1554	}
		1555	}
		1556
		1557	$match
		1558	}
1130		1559
1131	=back	1560	=back
1132
1133		1561
1134	=head3 cf::map	1562	=head3 cf::map
1135		1563
1136	=over 4	1564	=over 4
1137		1565
…		…
1192	my ($self, $merge) = @_;	1620	my ($self, $merge) = @_;
1193		1621
1194	# we have to keep some variables in memory intact	1622	# we have to keep some variables in memory intact
1195	local $self->{path};	1623	local $self->{path};
1196	local $self->{load_path};	1624	local $self->{load_path};
1197	local $self->{deny_save};
1198	local $self->{deny_reset};
1199		1625
1200	$self->SUPER::thawer_merge ($merge);	1626	$self->SUPER::thawer_merge ($merge);
1201	}	1627	}
1202		1628
1203	sub normalise {	1629	sub normalise {
…		…
1250	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1251	return $self;	1677	return $self;
1252	}	1678	}
1253	}	1679	}
1254		1680
1255	Carp::carp "unable to resolve path '$path' (base '$base').";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1256	()	1682	()
1257	}	1683	}
1258		1684
1259	sub init {	1685	sub init {
1260	my ($self) = @_;	1686	my ($self) = @_;
…		…
1275		1701
1276	# the original (read-only) location	1702	# the original (read-only) location
1277	sub load_path {	1703	sub load_path {
1278	my ($self) = @_;	1704	my ($self) = @_;
1279		1705
1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1706	"$MAPDIR/$self->{path}.map"
1281	}	1707	}
1282		1708
1283	# the temporary/swap location	1709	# the temporary/swap location
1284	sub save_path {	1710	sub save_path {
1285	my ($self) = @_;	1711	my ($self) = @_;
1286		1712
1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1714	"$TMPDIR/$path.map"
1289	}	1715	}
1290		1716
1291	# the unique path, undef == no special unique path	1717	# the unique path, undef == no special unique path
1292	sub uniq_path {	1718	sub uniq_path {
1293	my ($self) = @_;	1719	my ($self) = @_;
1294		1720
1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1722	"$UNIQUEDIR/$path"
1297	}	1723	}
1298		1724
1299	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1300	# all maps in C++...	1726	# all maps in C++...
1301	sub change_all_map_light {	1727	sub change_all_map_light {
…		…
1303		1729
1304	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1305	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
1306	}	1732	}
1307		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
		1740	}
		1741
1308	sub unlink_save {	1742	sub unlink_save {
1309	my ($self) = @_;	1743	my ($self) = @_;
1310		1744
1311	utf8::encode (my $save = $self->save_path);	1745	utf8::encode (my $save = $self->save_path);
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1746	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1747	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	}	1748	}
1320		1749
1321	sub load_header_from($) {	1750	sub load_header_from($) {
1322	my ($self, $path) = @_;	1751	my ($self, $path) = @_;
1323		1752
…		…
1373	$self->load_header_orig	1802	$self->load_header_orig
1374	or return;	1803	or return;
1375	$self->prepare_orig;	1804	$self->prepare_orig;
1376	}	1805	}
1377		1806
		1807	$self->{deny_reset} = 1
		1808	if $self->no_reset;
		1809
		1810	$self->default_region (cf::region::find_by_path $self->{path})
		1811	unless $self->default_region;
		1812
1378	1	1813	1
1379	}	1814	}
1380		1815
1381	sub find;	1816	sub find;
1382	sub find {	1817	sub find {
…		…
1394	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1395		1830
1396	$map->load_header	1831	$map->load_header
1397	or return;	1832	or return;
1398		1833
1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400	# doing this can freeze the server in a sync job, obviously	1835	# doing this can freeze the server in a sync job, obviously
1401	#$cf::WAIT_FOR_TICK->wait;	1836	#$cf::WAIT_FOR_TICK->wait;
1402	$map->reset;	1837	$map->reset;
1403	undef $guard;	1838	undef $guard;
1404	return find $path;	1839	return find $path;
…		…
1415	my ($self) = @_;	1850	my ($self) = @_;
1416		1851
1417	local $self->{deny_reset} = 1; # loading can take a long time	1852	local $self->{deny_reset} = 1; # loading can take a long time
1418		1853
1419	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
1420	my $guard = cf::lock_acquire "map_load:$path";	1857	my $guard = cf::lock_acquire "map_load:$path";
1421		1858
1422	return if $self->in_memory != cf::MAP_SWAPPED;	1859	return if $self->in_memory != cf::MAP_SWAPPED;
1423		1860
1424	$self->in_memory (cf::MAP_LOADING);	1861	$self->in_memory (cf::MAP_LOADING);
1425		1862
1426	$self->alloc;	1863	$self->alloc;
1427		1864
1428	$self->pre_load;	1865	$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;	1866	Coro::cede;
1454	$self->set_darkness_map;	1867
		1868	$self->_load_objects ($self->{load_path}, 1)
		1869	or return;
		1870
		1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1872	if delete $self->{load_original};
		1873
		1874	if (my $uniq = $self->uniq_path) {
		1875	utf8::encode $uniq;
		1876	if (aio_open $uniq, O_RDONLY, 0) {
		1877	$self->clear_unique_items;
		1878	$self->_load_objects ($uniq, 0);
		1879	}
		1880	}
		1881
		1882	Coro::cede;
		1883	# now do the right thing for maps
		1884	$self->link_multipart_objects;
1455	$self->difficulty ($self->estimate_difficulty)	1885	$self->difficulty ($self->estimate_difficulty)
1456	unless $self->difficulty;	1886	unless $self->difficulty;
1457	Coro::cede;	1887	Coro::cede;
		1888
		1889	unless ($self->{deny_activate}) {
		1890	$self->decay_objects;
		1891	$self->fix_auto_apply;
		1892	$self->update_buttons;
		1893	Coro::cede;
		1894	$self->set_darkness_map;
		1895	Coro::cede;
1458	$self->activate;	1896	$self->activate;
		1897	}
		1898
		1899	$self->{last_save} = $cf::RUNTIME;
		1900	$self->last_access ($cf::RUNTIME);
		1901
		1902	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	1903	}
1460		1904
1461	$self->post_load;	1905	$self->post_load;
1462
1463	$self->in_memory (cf::MAP_IN_MEMORY);
1464	}	1906	}
1465		1907
1466	sub customise_for {	1908	sub customise_for {
1467	my ($self, $ob) = @_;	1909	my ($self, $ob) = @_;
1468		1910
1469	return find "~" . $ob->name . "/" . $self->{path}	1911	return find "~" . $ob->name . "/" . $self->{path}
1470	if $self->per_player;	1912	if $self->per_player;
1471		1913
		1914	# return find "?party/" . $ob->name . "/" . $self->{path}
		1915	# if $self->per_party;
		1916
1472	$self	1917	$self
1473	}	1918	}
1474		1919
1475	# find and load all maps in the 3x3 area around a map	1920	# find and load all maps in the 3x3 area around a map
1476	sub load_diag {	1921	sub load_neighbours {
1477	my ($map) = @_;	1922	my ($map) = @_;
1478		1923
1479	my @diag; # diagonal neighbours	1924	my @neigh; # diagonal neighbours
1480		1925
1481	for (0 .. 3) {	1926	for (0 .. 3) {
1482	my $neigh = $map->tile_path ($_)	1927	my $neigh = $map->tile_path ($_)
1483	or next;	1928	or next;
1484	$neigh = find $neigh, $map	1929	$neigh = find $neigh, $map
1485	or next;	1930	or next;
1486	$neigh->load;	1931	$neigh->load;
1487		1932
		1933	push @neigh,
1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1934	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1935	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1490	}	1936	}
1491		1937
1492	for (@diag) {	1938	for (grep defined $_->[0], @neigh) {
		1939	my ($path, $origin) = @$_;
1493	my $neigh = find @$_	1940	my $neigh = find $path, $origin
1494	or next;	1941	or next;
1495	$neigh->load;	1942	$neigh->load;
1496	}	1943	}
1497	}	1944	}
1498		1945
…		…
1522		1969
1523	undef $MAP_PREFETCH{$path};	1970	undef $MAP_PREFETCH{$path};
1524	$MAP_PREFETCHER ||= cf::async {	1971	$MAP_PREFETCHER ||= cf::async {
1525	while (%MAP_PREFETCH) {	1972	while (%MAP_PREFETCH) {
1526	for my $path (keys %MAP_PREFETCH) {	1973	for my $path (keys %MAP_PREFETCH) {
1527	my $map = find $path	1974	if (my $map = find $path) {
1528	or next;
1529	$map->load;	1975	$map->load;
		1976	}
1530		1977
1531	delete $MAP_PREFETCH{$path};	1978	delete $MAP_PREFETCH{$path};
1532	}	1979	}
1533	}	1980	}
1534	undef $MAP_PREFETCHER;	1981	undef $MAP_PREFETCHER;
…		…
1586		2033
1587	sub reset_at {	2034	sub reset_at {
1588	my ($self) = @_;	2035	my ($self) = @_;
1589		2036
1590	# TODO: safety, remove and allow resettable per-player maps	2037	# 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};	2038	return 1e99 if $self->{deny_reset};
1593		2039
1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2040	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2041	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1596		2042
…		…
1607	my ($self) = @_;	2053	my ($self) = @_;
1608		2054
1609	my $lock = cf::lock_acquire "map_data:$self->{path}";	2055	my $lock = cf::lock_acquire "map_data:$self->{path}";
1610		2056
1611	return if $self->players;	2057	return if $self->players;
1612	return if $self->isa ("ext::map_per_player");#d#
1613		2058
1614	warn "resetting map ", $self->path;#d#	2059	warn "resetting map ", $self->path;
1615		2060
1616	$self->in_memory (cf::MAP_SWAPPED);	2061	$self->in_memory (cf::MAP_SWAPPED);
1617		2062
1618	# need to save uniques path	2063	# need to save uniques path
1619	unless ($self->{deny_save}) {	2064	unless ($self->{deny_save}) {
…		…
1651	$cf::MAP{$self->path} = $self;	2096	$cf::MAP{$self->path} = $self;
1652		2097
1653	$self->reset; # polite request, might not happen	2098	$self->reset; # polite request, might not happen
1654	}	2099	}
1655		2100
		2101	=item $maps = cf::map::tmp_maps
		2102
		2103	Returns an arrayref with all map paths of currently instantiated and saved
		2104	maps. May block.
		2105
		2106	=cut
		2107
		2108	sub tmp_maps() {
		2109	[
		2110	map {
		2111	utf8::decode $_;
		2112	/\.map$/
		2113	? normalise $_
		2114	: ()
		2115	} @{ aio_readdir $TMPDIR or [] }
		2116	]
		2117	}
		2118
		2119	=item $maps = cf::map::random_maps
		2120
		2121	Returns an arrayref with all map paths of currently instantiated and saved
		2122	random maps. May block.
		2123
		2124	=cut
		2125
		2126	sub random_maps() {
		2127	[
		2128	map {
		2129	utf8::decode $_;
		2130	/\.map$/
		2131	? normalise "?random/$_"
		2132	: ()
		2133	} @{ aio_readdir $RANDOMDIR or [] }
		2134	]
		2135	}
		2136
1656	=item cf::map::unique_maps	2137	=item cf::map::unique_maps
1657		2138
1658	Returns an arrayref of paths of all shared maps that have	2139	Returns an arrayref of paths of all shared maps that have
1659	instantiated unique items. May block.	2140	instantiated unique items. May block.
1660		2141
1661	=cut	2142	=cut
1662		2143
1663	sub unique_maps() {	2144	sub unique_maps() {
1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2145	[
1665	or return;	2146	map {
1666
1667	my @paths;
1668
1669	for (@$files) {
1670	utf8::decode $_;	2147	utf8::decode $_;
1671	next if /\.pst$/;	2148	/\.map$/
1672	next unless /^$PATH_SEP/o;	2149	? normalise $_
1673		2150	: ()
1674	push @paths, cf::map::normalise $_;	2151	} @{ aio_readdir $UNIQUEDIR or [] }
1675	}	2152	]
1676
1677	\@paths
1678	}	2153	}
1679		2154
1680	package cf;	2155	package cf;
1681		2156
1682	=back	2157	=back
…		…
1728		2203
1729	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2204	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730		2205
1731	if ($self->{record_replies}) {	2206	if ($self->{record_replies}) {
1732	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2207	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2208
1733	} else {	2209	} else {
		2210	my $pl = $self->contr;
		2211
		2212	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2213	my $dialog = $pl->{npc_dialog};
		2214	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2215
		2216	} else {
1734	$msg = $npc->name . " says: $msg" if $npc;	2217	$msg = $npc->name . " says: $msg" if $npc;
1735	$self->message ($msg, $flags);	2218	$self->message ($msg, $flags);
		2219	}
1736	}	2220	}
		2221	}
		2222
		2223	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2224
		2225	=cut
		2226
		2227	sub cf::object::send_msg {
		2228	my $pl = shift->contr
		2229	or return;
		2230	$pl->send_msg (@_);
1737	}	2231	}
1738		2232
1739	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
1740		2234
1741	Returns wether the given player is authorized to access resource "access"	2235	Returns wether the given player is authorized to access resource "access"
…		…
1788	$self->deactivate_recursive;	2282	$self->deactivate_recursive;
1789		2283
1790	return if UNIVERSAL::isa $self->map, "ext::map_link";	2284	return if UNIVERSAL::isa $self->map, "ext::map_link";
1791		2285
1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793	if $self->map;	2287	if $self->map && $self->map->{path} ne "{link}";
1794		2288
1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1796	}	2290	}
1797		2291
1798	sub cf::object::player::leave_link {	2292	sub cf::object::player::leave_link {
1799	my ($self, $map, $x, $y) = @_;	2293	my ($self, $map, $x, $y) = @_;
		2294
		2295	return unless $self->contr->active;
1800		2296
1801	my $link_pos = delete $self->{_link_pos};	2297	my $link_pos = delete $self->{_link_pos};
1802		2298
1803	unless ($map) {	2299	unless ($map) {
1804	# restore original map position	2300	# restore original map position
…		…
1818	# use -1 or undef as default coordinates, not 0, 0	2314	# use -1 or undef as default coordinates, not 0, 0
1819	($x, $y) = ($map->enter_x, $map->enter_y)	2315	($x, $y) = ($map->enter_x, $map->enter_y)
1820	if $x <=0 && $y <= 0;	2316	if $x <=0 && $y <= 0;
1821		2317
1822	$map->load;	2318	$map->load;
1823	$map->load_diag;	2319	$map->load_neighbours;
1824		2320
1825	return unless $self->contr->active;	2321	return unless $self->contr->active;
1826	$self->activate_recursive;	2322	$self->activate_recursive;
		2323
		2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2325	$self->enter_map ($map, $x, $y);
1828	}	2326	}
1829		2327
1830	cf::player->attach (	2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2329
1834	# abort map switching before logout	2330	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2331	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2332	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2333	the new (success) or old (failed) map position. In either case, $done will
1838	};	2334	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2335
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	2336	=cut
		2337
		2338	our $GOTOGEN;
1865		2339
1866	sub cf::object::player::goto {	2340	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2341	my ($self, $path, $x, $y, $check, $done) = @_;
		2342
		2343	# do generation counting so two concurrent goto's will be executed in-order
		2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2345
1869	$self->enter_link;	2346	$self->enter_link;
1870		2347
1871	(async {	2348	(async {
1872	my $map = eval {	2349	my $map = eval {
1873	my $map = cf::map::find $path;	2350	my $map = cf::map::find $path;
		2351
		2352	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2353	$map = $map->customise_for ($self);
		2354	$map = $check->($map) if $check && $map;
		2355	} else {
		2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2357	}
		2358
1875	$map	2359	$map
		2360	};
		2361
		2362	if ($@) {
		2363	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2364	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2365	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2366
		2367	if ($gen == $self->{_goto_generation}) {
		2368	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2369	$self->leave_link ($map, $x, $y);
		2370	}
		2371
		2372	$done->() if $done;
1880	})->prio (1);	2373	})->prio (1);
1881	}	2374	}
1882		2375
1883	=item $player_object->enter_exit ($exit_object)	2376	=item $player_object->enter_exit ($exit_object)
1884		2377
…		…
1923		2416
1924	$rmp->{random_seed} ||= $exit->random_seed;	2417	$rmp->{random_seed} ||= $exit->random_seed;
1925		2418
1926	my $data = cf::to_json $rmp;	2419	my $data = cf::to_json $rmp;
1927	my $md5 = Digest::MD5::md5_hex $data;	2420	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2421	my $meta = "$RANDOMDIR/$md5.meta";
1929		2422
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2424	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2425	undef $fh;
1933	aio_rename "$meta~", $meta;	2426	aio_rename "$meta~", $meta;
…		…
1942		2435
1943	return unless $self->type == cf::PLAYER;	2436	return unless $self->type == cf::PLAYER;
1944		2437
1945	if ($exit->slaying eq "/!") {	2438	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job	2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2440	# the problem is that $exit might not survive long enough
		2441	# so it needs to be done right now, right here
1947	cf::sync_job { prepare_random_map $exit };	2442	cf::sync_job { prepare_random_map $exit };
1948	}	2443	}
1949		2444
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;	2446	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;	2447	my $sp = $exit->stats->sp;
1953		2448
1954	$self->enter_link;	2449	$self->enter_link;
		2450
		2451	# if exit is damned, update players death & WoR home-position
		2452	$self->contr->savebed ($slaying, $hp, $sp)
		2453	if $exit->flag (FLAG_DAMNED);
1955		2454
1956	(async {	2455	(async {
1957	$self->deactivate_recursive; # just to be sure	2456	$self->deactivate_recursive; # just to be sure
1958	unless (eval {	2457	unless (eval {
1959	$self->goto ($slaying, $hp, $sp);	2458	$self->goto ($slaying, $hp, $sp);
1960		2459
1961	1;	2460	1;
1962	}) {	2461	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2462	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "I'll try to bring you back to the map you were before. "	2463	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2464	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2465	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2466
1968	warn "ERROR in enter_exit: $@";	2467	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2468	$self->leave_link;
1970	}	2469	}
1971	})->prio (1);	2470	})->prio (1);
…		…
1984		2483
1985	sub cf::client::send_drawinfo {	2484	sub cf::client::send_drawinfo {
1986	my ($self, $text, $flags) = @_;	2485	my ($self, $text, $flags) = @_;
1987		2486
1988	utf8::encode $text;	2487	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2489	}
1991		2490
		2491	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2492
		2493	Send a drawinfo or msg packet to the client, formatting the msg for the
		2494	client if neccessary. C<$type> should be a string identifying the type of
		2495	the message, with C<log> being the default. If C<$color> is negative, suppress
		2496	the message unless the client supports the msg packet.
		2497
		2498	=cut
		2499
		2500	sub cf::client::send_msg {
		2501	my ($self, $channel, $msg, $color, @extra) = @_;
		2502
		2503	$msg = $self->pl->expand_cfpod ($msg);
		2504
		2505	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2506
		2507	if (ref $channel) {
		2508	# send meta info to client, if not yet sent
		2509	unless (exists $self->{channel}{$channel->{id}}) {
		2510	$self->{channel}{$channel->{id}} = $channel;
		2511	$self->ext_msg (channel_info => $channel);
		2512	}
		2513
		2514	$channel = $channel->{id};
		2515	}
		2516
		2517	return unless @extra || length $msg;
		2518
		2519	if ($self->can_msg) {
		2520	# default colour, mask it out
		2521	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2522	if $color & cf::NDI_DEF;
		2523
		2524	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2525	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2526	} else {
		2527	if ($color >= 0) {
		2528	# replace some tags by gcfclient-compatible ones
		2529	for ($msg) {
		2530	1 while
		2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2536	}
		2537
		2538	$color &= cf::NDI_COLOR_MASK;
		2539
		2540	utf8::encode $msg;
		2541
		2542	if (0 && $msg =~ /\[/) {
		2543	# COMMAND/INFO
		2544	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2545	} else {
		2546	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2547	$self->send_packet ("drawinfo $color $msg")
		2548	}
		2549	}
		2550	}
		2551	}
		2552
		2553	=item $client->ext_msg ($type, @msg)
		2554
		2555	Sends an ext event to the client.
		2556
		2557	=cut
		2558
		2559	sub cf::client::ext_msg($$@) {
		2560	my ($self, $type, @msg) = @_;
		2561
		2562	my $extcmd = $self->extcmd;
		2563
		2564	if ($extcmd == 2) {
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2566	} elsif ($extcmd == 1) { # TODO: remove
		2567	push @msg, msgtype => "event_$type";
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2569	}
		2570	}
1992		2571
1993	=item $success = $client->query ($flags, "text", \&cb)	2572	=item $success = $client->query ($flags, "text", \&cb)
1994		2573
1995	Queues a query to the client, calling the given callback with	2574	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>,	2575	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>.	2576	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2577
1999	Queries can fail, so check the return code. Or don't, as queries will become	2578	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2579	become reliable at some point in the future.
2001		2580
2002	=cut	2581	=cut
2003		2582
2004	sub cf::client::query {	2583	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2584	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2592	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2593	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2594
2016	$self->send_packet ($self->{query_queue}[0][0])	2595	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2596	if @{ $self->{query_queue} } == 1;
		2597
		2598	1
2018	}	2599	}
2019		2600
2020	cf::client->attach (	2601	cf::client->attach (
		2602	on_connect => sub {
		2603	my ($ns) = @_;
		2604
		2605	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2606	},
2021	on_reply => sub {	2607	on_reply => sub {
2022	my ($ns, $msg) = @_;	2608	my ($ns, $msg) = @_;
2023		2609
2024	# this weird shuffling is so that direct followup queries	2610	# this weird shuffling is so that direct followup queries
2025	# get handled first	2611	# get handled first
…		…
2037	} else {	2623	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2624	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2625	}
2040	}	2626	}
2041	},	2627	},
		2628	on_exticmd => sub {
		2629	my ($ns, $buf) = @_;
		2630
		2631	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2632
		2633	if (ref $msg) {
		2634	my ($type, $reply, @payload) =
		2635	"ARRAY" eq ref $msg
		2636	? @$msg
		2637	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2638
		2639	if (my $cb = $EXTICMD{$type}) {
		2640	my @reply = $cb->($ns, @payload);
		2641
		2642	$ns->ext_reply ($reply, @reply)
		2643	if $reply;
		2644	}
		2645	} else {
		2646	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2647	}
		2648
		2649	cf::override;
		2650	},
2042	);	2651	);
2043		2652
2044	=item $client->async (\&cb)	2653	=item $client->async (\&cb)
2045		2654
2046	Create a new coroutine, running the specified callback. The coroutine will	2655	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	2696	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	2697	our $safe_hole = new Safe::Hole;
2089		2698
2090	$SIG{FPE} = 'IGNORE';	2699	$SIG{FPE} = 'IGNORE';
2091		2700
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2701	$safe->permit_only (Opcode::opset qw(
		2702	:base_core :base_mem :base_orig :base_math
		2703	grepstart grepwhile mapstart mapwhile
		2704	sort time
		2705	));
2093		2706
2094	# here we export the classes and methods available to script code	2707	# here we export the classes and methods available to script code
2095		2708
2096	=pod	2709	=pod
2097		2710
2098	The following fucntions and emthods are available within a safe environment:	2711	The following functions and methods are available within a safe environment:
2099		2712
2100	cf::object contr pay_amount pay_player map	2713	cf::object
		2714	contr pay_amount pay_player map x y force_find force_add
		2715	insert remove name archname title slaying race
		2716
2101	cf::object::player player	2717	cf::object::player
2102	cf::player peaceful	2718	player
2103	cf::map trigger	2719
		2720	cf::player
		2721	peaceful
		2722
		2723	cf::map
		2724	trigger
2104		2725
2105	=cut	2726	=cut
2106		2727
2107	for (	2728	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	2729	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2730	insert remove inv name archname title slaying race)],
2109	["cf::object::player" => qw(player)],	2731	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	2732	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	2733	["cf::map" => qw(trigger)],
2112	) {	2734	) {
2113	no strict 'refs';	2735	no strict 'refs';
…		…
2184	=back	2806	=back
2185		2807
2186	=cut	2808	=cut
2187		2809
2188	#############################################################################	2810	#############################################################################
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	2811	# the server's init and main functions
2262		2812
2263	sub load_resources {	2813	sub load_facedata($) {
2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2814	my ($path) = @_;
		2815
		2816	my $enc = JSON::XS->new->utf8->canonical;
		2817
		2818	warn "loading facedata from $path\n";
		2819
		2820	my $facedata;
		2821	0 < aio_load $path, $facedata
		2822	or die "$path: $!";
		2823
		2824	$facedata = Coro::Storable::thaw $facedata;
		2825
		2826	$facedata->{version} == 2
		2827	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2828
		2829	# patch in the exptable
		2830	$facedata->{resource}{"res/exp_table"} = {
		2831	type => FT_RSRC,
		2832	data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]),
		2833	};
		2834	cf::cede_to_tick;
		2835
		2836	{
		2837	my $faces = $facedata->{faceinfo};
		2838
		2839	while (my ($face, $info) = each %$faces) {
		2840	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2841	cf::face::set_visibility $idx, $info->{visibility};
		2842	cf::face::set_magicmap $idx, $info->{magicmap};
		2843	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2844	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		2845
		2846	cf::cede_to_tick;
		2847	}
		2848
		2849	while (my ($face, $info) = each %$faces) {
		2850	next unless $info->{smooth};
		2851	my $idx = cf::face::find $face
		2852	or next;
		2853	if (my $smooth = cf::face::find $info->{smooth}) {
		2854	cf::face::set_smooth $idx, $smooth;
		2855	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2856	} else {
		2857	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2858	}
		2859
		2860	cf::cede_to_tick;
		2861	}
		2862	}
		2863
		2864	{
		2865	my $anims = $facedata->{animinfo};
		2866
		2867	while (my ($anim, $info) = each %$anims) {
		2868	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2869	cf::cede_to_tick;
		2870	}
		2871
		2872	cf::anim::invalidate_all; # d'oh
		2873	}
		2874
		2875	{
		2876	# TODO: for gcfclient pleasure, we should give resources
		2877	# that gcfclient doesn't grok a >10000 face index.
		2878	my $res = $facedata->{resource};
		2879
		2880	my $soundconf = delete $res->{"res/sound.conf"};
		2881
		2882	while (my ($name, $info) = each %$res) {
		2883	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2884	my $data;
		2885
		2886	if ($info->{type} & 1) {
		2887	# prepend meta info
		2888
		2889	my $meta = $enc->encode ({
		2890	name => $name,
		2891	%{ $info->{meta} || {} },
		2892	});
		2893
		2894	$data = pack "(w/a*)*", $meta, $info->{data};
		2895	}
		2896
		2897	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2898	cf::face::set_type $idx, $info->{type};
		2899
		2900	cf::cede_to_tick;
		2901	}
		2902
		2903	if ($soundconf) {
		2904	$soundconf = $enc->decode (delete $soundconf->{data});
		2905
		2906	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2907	my $sound = $soundconf->{compat}[$_]
		2908	or next;
		2909
		2910	my $face = cf::face::find "sound/$sound->[1]";
		2911	cf::sound::set $sound->[0] => $face;
		2912	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2913	}
		2914
		2915	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2916	my $face = cf::face::find "sound/$v";
		2917	cf::sound::set $k => $face;
		2918	}
		2919	}
		2920	}
		2921
		2922	1
		2923	}
		2924
		2925	register_exticmd fx_want => sub {
		2926	my ($ns, $want) = @_;
		2927
		2928	while (my ($k, $v) = each %$want) {
		2929	$ns->fx_want ($k, $v);
		2930	}
		2931	};
		2932
		2933	sub reload_regions {
		2934	load_resource_file "$MAPDIR/regions"
2265	or die "unable to load regions file\n";#d#	2935	or die "unable to load regions file\n";
		2936
		2937	for (cf::region::list) {
		2938	$_->{match} = qr/$_->{match}/
		2939	if exists $_->{match};
		2940	}
		2941	}
		2942
		2943	sub reload_facedata {
		2944	load_facedata "$DATADIR/facedata"
		2945	or die "unable to load facedata\n";
		2946	}
		2947
		2948	sub reload_archetypes {
		2949	load_resource_file "$DATADIR/archetypes"
		2950	or die "unable to load archetypes\n";
		2951	#d# NEED to laod twice to resolve forward references
		2952	# this really needs to be done in an extra post-pass
		2953	# (which needs to be synchronous, so solve it differently)
		2954	load_resource_file "$DATADIR/archetypes"
		2955	or die "unable to load archetypes\n";
		2956	}
		2957
		2958	sub reload_treasures {
		2959	load_resource_file "$DATADIR/treasures"
		2960	or die "unable to load treasurelists\n";
		2961	}
		2962
		2963	sub reload_resources {
		2964	warn "reloading resource files...\n";
		2965
		2966	reload_regions;
		2967	reload_facedata;
		2968	#reload_archetypes;#d#
		2969	reload_archetypes;
		2970	reload_treasures;
		2971
		2972	warn "finished reloading resource files\n";
		2973	}
		2974
		2975	sub init {
		2976	reload_resources;
2266	}	2977	}
2267		2978
2268	sub cfg_load {	2979	sub cfg_load {
2269	open my $fh, "<:utf8", cf::confdir . "/config"	2980	open my $fh, "<:utf8", "$CONFDIR/config"
2270	or return;	2981	or return;
2271		2982
2272	local $/;	2983	local $/;
2273	*CFG = YAML::Syck::Load <$fh>;	2984	*CFG = YAML::Syck::Load <$fh>;
2274		2985
…		…
2282	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2993	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2283	and die "WARNING: m(un)lockall failed: $!\n";	2994	and die "WARNING: m(un)lockall failed: $!\n";
2284	};	2995	};
2285	warn $@ if $@;	2996	warn $@ if $@;
2286	}	2997	}
2287	}
2288
2289	sub init {
2290	load_resources;
2291	}	2998	}
2292		2999
2293	sub main {	3000	sub main {
2294	# we must not ever block the main coroutine	3001	# we must not ever block the main coroutine
2295	local $Coro::idle = sub {	3002	local $Coro::idle = sub {
…		…
2323	},	3030	},
2324	);	3031	);
2325	}	3032	}
2326	}	3033	}
2327		3034
		3035	sub write_runtime {
		3036	my $runtime = "$LOCALDIR/runtime";
		3037
		3038	# first touch the runtime file to show we are still running:
		3039	# the fsync below can take a very very long time.
		3040
		3041	IO::AIO::aio_utime $runtime, undef, undef;
		3042
		3043	my $guard = cf::lock_acquire "write_runtime";
		3044
		3045	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3046	or return;
		3047
		3048	my $value = $cf::RUNTIME + 90 + 10;
		3049	# 10 is the runtime save interval, for a monotonic clock
		3050	# 60 allows for the watchdog to kill the server.
		3051
		3052	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3053	and return;
		3054
		3055	# always fsync - this file is important
		3056	aio_fsync $fh
		3057	and return;
		3058
		3059	# touch it again to show we are up-to-date
		3060	aio_utime $fh, undef, undef;
		3061
		3062	close $fh
		3063	or return;
		3064
		3065	aio_rename "$runtime~", $runtime
		3066	and return;
		3067
		3068	warn "runtime file written.\n";
		3069
		3070	1
		3071	}
		3072
2328	sub emergency_save() {	3073	sub emergency_save() {
2329	my $freeze_guard = cf::freeze_mainloop;	3074	my $freeze_guard = cf::freeze_mainloop;
2330		3075
2331	warn "enter emergency perl save\n";	3076	warn "enter emergency perl save\n";
2332		3077
…		…
2363		3108
2364	warn Carp::longmess "post_cleanup backtrace"	3109	warn Carp::longmess "post_cleanup backtrace"
2365	if $make_core;	3110	if $make_core;
2366	}	3111	}
2367		3112
2368	sub reload() {	3113	sub do_reload_perl() {
2369	# can/must only be called in main	3114	# can/must only be called in main
2370	if ($Coro::current != $Coro::main) {	3115	if ($Coro::current != $Coro::main) {
2371	warn "can only reload from main coroutine";	3116	warn "can only reload from main coroutine";
2372	return;	3117	return;
2373	}	3118	}
2374		3119
2375	warn "reloading...";	3120	warn "reloading...";
2376		3121
2377	warn "cancelling server ticker";	3122	warn "entering sync_job";
2378	$TICK_WATCHER->cancel;
2379		3123
		3124	cf::sync_job {
		3125	cf::write_runtime; # external watchdog should not bark
2380	cf::emergency_save;	3126	cf::emergency_save;
		3127	cf::write_runtime; # external watchdog should not bark
2381		3128
2382	eval {	3129	warn "syncing database to disk";
		3130	BDB::db_env_txn_checkpoint $DB_ENV;
		3131
2383	# if anything goes wrong in here, we should simply crash as we already saved	3132	# if anything goes wrong in here, we should simply crash as we already saved
2384		3133
2385	warn "cancelling all WF_AUTOCANCEL watchers";	3134	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {	3135	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;	3136	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}	3137	}
2389
2390	warn "syncing database to disk";
2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392		3138
2393	warn "flushing outstanding aio requests";	3139	warn "flushing outstanding aio requests";
2394	for (;;) {	3140	for (;;) {
2395	BDB::flush;	3141	BDB::flush;
2396	IO::AIO::flush;	3142	IO::AIO::flush;
2397	Coro::cede;	3143	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;	3144	last unless IO::AIO::nreqs || BDB::nreqs;
2399	warn "iterate...";	3145	warn "iterate...";
2400	}	3146	}
2401		3147
		3148	++$RELOAD;
		3149
2402	warn "cancelling all extension coros";	3150	warn "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;	3151	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();	3152	%EXT_CORO = ();
2405		3153
2406	warn "removing commands";	3154	warn "removing commands";
2407	%COMMAND = ();	3155	%COMMAND = ();
2408		3156
2409	warn "removing ext commands";	3157	warn "removing ext/exti commands";
2410	%EXTCMD = ();	3158	%EXTCMD = ();
		3159	%EXTICMD = ();
2411		3160
2412	warn "unloading/nuking all extensions";	3161	warn "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {	3162	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";	3163	warn "... unloading $pkg";
2415		3164
…		…
2445	Symbol::delete_package "safe::$_"	3194	Symbol::delete_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3195	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3196
2448	warn "unloading cf.pm \"a bit\"";	3197	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3198	delete $INC{"cf.pm"};
		3199	delete $INC{"cf/pod.pm"};
2450		3200
2451	# don't, removes xs symbols, too,	3201	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3202	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3203	#Symbol::delete_package __PACKAGE__;
2454		3204
…		…
2463		3213
2464	warn "loading extensions";	3214	warn "loading extensions";
2465	cf::load_extensions;	3215	cf::load_extensions;
2466		3216
2467	warn "reattaching attachments to objects/players";	3217	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3218	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3219	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3220	reattach $_ for values %MAP;
		3221	warn "reattaching attachments to players";
		3222	reattach $_ for values %PLAYER;
2471		3223
2472	warn "loading reloadable resources";	3224	warn "leaving sync_job";
2473	load_resources;
2474		3225
2475	warn "restarting server ticker";	3226	1
2476		3227	} or do {
2477	$TICK_WATCHER->start;
2478	};
2479
2480	if ($@) {
2481	warn $@;	3228	warn $@;
2482	warn "error while reloading, exiting.";	3229	warn "error while reloading, exiting.";
2483	exit 1;	3230	exit 1;
2484	}	3231	};
2485		3232
2486	warn "reloaded";	3233	warn "reloaded";
2487	};	3234	};
2488		3235
2489	our $RELOAD_WATCHER; # used only during reload	3236	our $RELOAD_WATCHER; # used only during reload
2490		3237
		3238	sub reload_perl() {
		3239	# doing reload synchronously and two reloads happen back-to-back,
		3240	# coro crashes during coro_state_free->destroy here.
		3241
		3242	$RELOAD_WATCHER ||= Event->timer (
		3243	reentrant => 0,
		3244	after => 0,
		3245	data => WF_AUTOCANCEL,
		3246	cb => sub {
		3247	do_reload_perl;
		3248	undef $RELOAD_WATCHER;
		3249	},
		3250	);
		3251	}
		3252
2491	register_command "reload" => sub {	3253	register_command "reload" => sub {
2492	my ($who, $arg) = @_;	3254	my ($who, $arg) = @_;
2493		3255
2494	if ($who->flag (FLAG_WIZ)) {	3256	if ($who->flag (FLAG_WIZ)) {
2495	$who->message ("reloading server.");	3257	$who->message ("reloading server.");
2496		3258	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	}	3259	}
2510	};	3260	};
2511		3261
2512	unshift @INC, $LIBDIR;	3262	unshift @INC, $LIBDIR;
2513		3263
2514	my $bug_warning = 0;	3264	my $bug_warning = 0;
2515		3265
		3266	our @WAIT_FOR_TICK;
		3267	our @WAIT_FOR_TICK_BEGIN;
		3268
		3269	sub wait_for_tick {
		3270	return unless $TICK_WATCHER->is_active;
		3271	return if $Coro::current == $Coro::main;
		3272
		3273	my $signal = new Coro::Signal;
		3274	push @WAIT_FOR_TICK, $signal;
		3275	$signal->wait;
		3276	}
		3277
		3278	sub wait_for_tick_begin {
		3279	return unless $TICK_WATCHER->is_active;
		3280	return if $Coro::current == $Coro::main;
		3281
		3282	my $signal = new Coro::Signal;
		3283	push @WAIT_FOR_TICK_BEGIN, $signal;
		3284	$signal->wait;
		3285	}
		3286
		3287	my $min = 1e6;#d#
		3288	my $avg = 10;
2516	$TICK_WATCHER = Event->timer (	3289	$TICK_WATCHER = Event->timer (
2517	reentrant => 0,	3290	reentrant => 0,
2518	parked => 1,	3291	parked => 1,
2519	prio => 0,	3292	prio => 0,
2520	at => $NEXT_TICK || $TICK,	3293	at => $NEXT_TICK || $TICK,
…		…
2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3297	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525	unless ++$bug_warning > 10;	3298	unless ++$bug_warning > 10;
2526	return;	3299	return;
2527	}	3300	}
2528		3301
2529	$NOW = Event::time;	3302	$NOW = $tick_start = Event::time;
2530		3303
2531	cf::server_tick; # one server iteration	3304	cf::server_tick; # one server iteration
		3305
		3306	0 && sync_job {#d#
		3307	for(1..10) {
		3308	my $t = Event::time;
		3309	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3310	or die;
		3311
		3312	$map->width (50);
		3313	$map->height (50);
		3314	$map->alloc;
		3315	$map->_load_objects ("/tmp/x.map", 1);
		3316	my $t = Event::time - $t;
		3317
		3318	#next unless $t < 0.0013;#d#
		3319	if ($t < $min) {
		3320	$min = $t;
		3321	}
		3322	$avg = $avg * 0.99 + $t * 0.01;
		3323	}
		3324	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3325	exit 0;
		3326	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3327	};
		3328
2532	$RUNTIME += $TICK;	3329	$RUNTIME += $TICK;
2533	$NEXT_TICK += $TICK;	3330	$NEXT_TICK += $TICK;
2534		3331
2535	$WAIT_FOR_TICK->broadcast;	3332	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3333	$NEXT_RUNTIME_WRITE = $NOW + 10;
2537		3334	Coro::async_pool {
2538	Event::sweep;	3335	write_runtime
2539	Coro::cede_notself;	3336	or warn "ERROR: unable to write runtime file: $!";
		3337	};
2540		3338	}
		3339
2541	# my $AFTER = Event::time;	3340	# my $AFTER = Event::time;
2542	# warn $AFTER - $NOW;#d#	3341	# warn $AFTER - $NOW;#d#
2543		3342
		3343	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3344	$sig->send;
		3345	}
		3346	while (my $sig = shift @WAIT_FOR_TICK) {
		3347	$sig->send;
		3348	}
		3349
		3350	$NOW = Event::time;
		3351
2544	# if we are delayed by four ticks or more, skip them all	3352	# if we are delayed by four ticks or more, skip them all
2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3353	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2546		3354
2547	$TICK_WATCHER->at ($NEXT_TICK);	3355	$TICK_WATCHER->at ($NEXT_TICK);
2548	$TICK_WATCHER->start;	3356	$TICK_WATCHER->start;
		3357
		3358	$LOAD = ($NOW - $tick_start) / $TICK;
		3359	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3360
		3361	_post_tick;
		3362
		3363
2549	},	3364	},
2550	);	3365	);
2551		3366
2552	{	3367	{
2553	BDB::max_poll_time $TICK * 0.1;	3368	BDB::max_poll_time $TICK * 0.1;
…		…
2581		3396
2582	cf::sync_job {	3397	cf::sync_job {
2583	eval {	3398	eval {
2584	BDB::db_env_open	3399	BDB::db_env_open
2585	$DB_ENV,	3400	$DB_ENV,
2586	$BDB_ENV_DIR,	3401	$BDBDIR,
2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3402	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3403	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589	0666;	3404	0666;
2590		3405
2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3406	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2592		3407
2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3408	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2594	$DB_ENV->set_lk_detect;	3409	$DB_ENV->set_lk_detect;
2595	};	3410	};
2596		3411
…		…
2604		3419
2605	undef $Coro::AIO::WATCHER;	3420	undef $Coro::AIO::WATCHER;
2606	IO::AIO::max_poll_time $TICK * 0.1;	3421	IO::AIO::max_poll_time $TICK * 0.1;
2607	$AIO_POLL_WATCHER = Event->io (	3422	$AIO_POLL_WATCHER = Event->io (
2608	reentrant => 0,	3423	reentrant => 0,
		3424	data => WF_AUTOCANCEL,
2609	fd => IO::AIO::poll_fileno,	3425	fd => IO::AIO::poll_fileno,
2610	poll => 'r',	3426	poll => 'r',
2611	prio => 6,	3427	prio => 6,
2612	data => WF_AUTOCANCEL,
2613	cb => \&IO::AIO::poll_cb,	3428	cb => \&IO::AIO::poll_cb,
2614	);	3429	);
2615	}	3430	}
2616		3431
2617	$WRITE_RUNTIME_WATCHER = Event->timer (	3432	my $_log_backtrace;
2618	reentrant => 0,	3433
2619	data => WF_AUTOCANCEL,	3434	sub _log_backtrace {
2620	after => 1,	3435	my ($msg, @addr) = @_;
2621	interval => 10,	3436
2622	prio => 6, # keep it lowest so it acts like a watchdog	3437	$msg =~ s/\n//;
2623	cb => Coro::unblock_sub {	3438
2624	write_runtime	3439	# limit the # of concurrent backtraces
2625	or warn "ERROR: unable to write runtime file: $!";	3440	if ($_log_backtrace < 2) {
		3441	++$_log_backtrace;
		3442	async {
		3443	my @bt = fork_call {
		3444	@addr = map { sprintf "%x", $_ } @addr;
		3445	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3446	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3447	or die "addr2line: $!";
		3448
		3449	my @funcs;
		3450	my @res = <$fh>;
		3451	chomp for @res;
		3452	while (@res) {
		3453	my ($func, $line) = splice @res, 0, 2, ();
		3454	push @funcs, "[$func] $line";
		3455	}
		3456
		3457	@funcs
		3458	};
		3459
		3460	LOG llevInfo, "[ABT] $msg\n";
		3461	LOG llevInfo, "[ABT] $_\n" for @bt;
		3462	--$_log_backtrace;
		3463	};
		3464	} else {
		3465	LOG llevInfo, "[ABT] $msg\n";
		3466	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	3467	}
2627	);	3468	}
		3469
		3470	# load additional modules
		3471	use cf::pod;
2628		3472
2629	END { cf::emergency_save }	3473	END { cf::emergency_save }
2630		3474
2631	1	3475	1
2632		3476

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