[ViewVC] Diff of: cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.17 by root, Mon Jun 19 10:20:07 2006 UTC vs.
Revision 1.38 by root, Thu Aug 24 17:29:30 2006 UTC

…		…
1	package cf;	1	package cf;
2		2
3	use Symbol;	3	use Symbol;
4	use List::Util;	4	use List::Util;
5	use Storable;	5	use Storable;
		6	use Opcode;
		7	use Safe;
		8	use Safe::Hole;
		9
		10	use Time::HiRes;
		11	use Event;
		12	$Event::Eval = 1; # no idea why this is required, but it is
6		13
7	use strict;	14	use strict;
8		15
9	our %COMMAND;	16	our %COMMAND;
10	our @EVENT;	17	our @EVENT;
		18	our @PLUGIN_EVENT;
11	our %PROP_TYPE;	19	our %PROP_TYPE;
12	our %PROP_IDX;	20	our %PROP_IDX;
		21	our $LIBDIR = maps_directory "perl";
		22
		23	our $TICK = MAX_TIME * 1e-6;
		24	our $TICK_WATCHER;
		25	our $NEXT_TICK;
13		26
14	BEGIN {	27	BEGIN {
15	@EVENT = map lc, @EVENT;	28	@PLUGIN_EVENT = map lc, @PLUGIN_EVENT;
16		29
17	*CORE::GLOBAL::warn = sub {	30	*CORE::GLOBAL::warn = sub {
18	my $msg = join "", @_;	31	my $msg = join "", @_;
19	$msg .= "\n"	32	$msg .= "\n"
20	unless $msg =~ /\n$/;	33	unless $msg =~ /\n$/;
58	prop_gen MAP_PROP => "cf::map";	71	prop_gen MAP_PROP => "cf::map";
59	prop_gen ARCH_PROP => "cf::arch";	72	prop_gen ARCH_PROP => "cf::arch";
60		73
61	# guessed hierarchies	74	# guessed hierarchies
62		75
63	@cf::object::player::ISA = 'cf::object';	76	@ext::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';
64	@cf::object::map::ISA = 'cf::object';	77	@ext::cf::object::map::ISA = @cf::object::map::ISA = 'cf::object';
		78
		79	# we bless all objects into derived classes to force a method lookup
		80	# within the Safe compartment.
		81	for my $pkg (qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region cf::arch)) {
		82	no strict 'refs';
		83	@{"ext::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
		84	}
		85
		86	$Event::DIED = sub {
		87	warn "error in event callback: @_";
		88	};
65		89
66	my %ext_pkg;	90	my %ext_pkg;
67	my @exts;	91	my @exts;
68	my @hook;	92	my @hook;
69	my %command;	93	my %command;
…		…
118	}	142	}
119		143
120	sub register {	144	sub register {
121	my ($base, $pkg) = @_;	145	my ($base, $pkg) = @_;
122		146
123	for my $idx (0 .. $#EVENT) {	147	for my $idx (0 .. $#PLUGIN_EVENT) {
124	if (my $ref = $pkg->can ("on_$EVENT[$idx]")) {	148	if (my $ref = $pkg->can ("on_$PLUGIN_EVENT[$idx]")) {
125	#warn "registering $EVENT[$idx] hook to '$pkg'\n";	149	#warn "registering $PLUGIN_EVENT[$idx] hook to '$pkg'\n";
126	$hook[$idx]{$base} = $ref;	150	$hook[$idx]{$base} = $ref;
127	}	151	}
128	}	152	}
129	}	153	}
130		154
…		…
153		177
154	push @exts, $pkg;	178	push @exts, $pkg;
155	$ext_pkg{$base} = $pkg;	179	$ext_pkg{$base} = $pkg;
156		180
157	# no strict 'refs';	181	# no strict 'refs';
158	# @{"$pkg\::ISA"} = cf::ext::;	182	# @{"$pkg\::ISA"} = ext::;
159		183
160	register $base, $pkg;	184	register $base, $pkg;
161	}	185	}
162		186
163	sub unload_extension {	187	sub unload_extension {
164	my ($pkg) = @_;	188	my ($pkg) = @_;
165		189
166	warn "removing extension $pkg\n";	190	warn "removing extension $pkg\n";
167		191
168	# remove hooks	192	# remove hooks
169	for my $idx (0 .. $#EVENT) {	193	for my $idx (0 .. $#PLUGIN_EVENT) {
170	delete $hook[$idx]{$pkg};	194	delete $hook[$idx]{$pkg};
171	}	195	}
172		196
173	# remove commands	197	# remove commands
174	for my $name (keys %command) {	198	for my $name (keys %command) {
…		…
186	# remove extcmds	210	# remove extcmds
187	for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) {	211	for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) {
188	delete $extcmd{$name};	212	delete $extcmd{$name};
189	}	213	}
190		214
		215	if (my $cb = $pkg->can ("on_unload")) {
		216	eval {
		217	$cb->($pkg);
		218	1
		219	} or warn "$pkg unloaded, but with errors: $@";
		220	}
		221
191	Symbol::delete_package $pkg;	222	Symbol::delete_package $pkg;
192	}	223	}
193		224
194	sub load_extensions {	225	sub load_extensions {
195	my $LIBDIR = maps_directory "perl";	226	my $LIBDIR = maps_directory "perl";
…		…
201	1	232	1
202	} or warn "$ext not loaded: $@";	233	} or warn "$ext not loaded: $@";
203	}	234	}
204	}	235	}
205		236
		237	sub _perl_reload(&) {
		238	my ($msg) = @_;
		239
		240	$msg->("reloading...");
		241
		242	eval {
		243	# 1. cancel all watchers
		244	$_->cancel for Event::all_watchers;
		245
		246	# 2. unload all extensions
		247	for (@exts) {
		248	$msg->("unloading <$_>");
		249	unload_extension $_;
		250	}
		251
		252	# 3. unload all modules loaded from $LIBDIR
		253	while (my ($k, $v) = each %INC) {
		254	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		255
		256	$msg->("removing <$k>");
		257	delete $INC{$k};
		258
		259	$k =~ s/\.pm$//;
		260	$k =~ s/\//::/g;
		261
		262	if (my $cb = $k->can ("unload_module")) {
		263	$cb->();
		264	}
		265
		266	Symbol::delete_package $k;
		267	}
		268
		269	# 4. get rid of ext::, as good as possible
		270	Symbol::delete_package "ext::$_"
		271	for qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region);
		272
		273	# 5. remove register_script_function callbacks
		274	# TODO
		275
		276	# 6. unload cf.pm "a bit"
		277	delete $INC{"cf.pm"};
		278
		279	# don't, removes xs symbols, too
		280	#Symbol::delete_package __PACKAGE__;
		281
		282	# 7. reload cf.pm
		283	$msg->("reloading cf.pm");
		284	require cf;
		285	};
		286	$msg->($@) if $@;
		287
		288	$msg->("reloaded");
		289	};
		290
		291	sub perl_reload() {
		292	_perl_reload {
		293	warn $_[0];
		294	print "$_[0]\n";
		295	};
		296	}
		297
206	register_command "perl-reload", 0, sub {	298	register_command "perl-reload", 0, sub {
207	my ($who, $arg) = @_;	299	my ($who, $arg) = @_;
208		300
209	if ($who->flag (FLAG_WIZ)) {	301	if ($who->flag (FLAG_WIZ)) {
210	$who->message ("reloading...");	302	_perl_reload {
211		303	warn $_[0];
212	warn "reloading...\n";	304	$who->message ($_[0]);
213	eval {
214	unload_extension $_ for @exts;
215	delete $INC{"cf.pm"};
216
217	# don't, removes xs symbols, too
218	#Symbol::delete_package $pkg;
219
220	require cf;
221	};	305	};
222	warn $@ if $@;
223	$who->message ($@) if $@;
224	warn "reloaded\n";
225
226	$who->message ("reloaded");
227	} else {
228	$who->message ("Intruder Alert!");
229	}	306	}
230	};	307	};
231		308
232	#############################################################################	309	#############################################################################
		310	# utility functions
		311
		312	use JSON::Syck (); # TODO# replace by JSON::PC once working
		313
		314	sub from_json($) {
		315	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
		316	JSON::Syck::Load $_[0]
		317	}
		318
		319	sub to_json($) {
		320	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
		321	JSON::Syck::Dump $_[0]
		322	}
		323
		324	#############################################################################
233	# extcmd framework, basically convert ext <id> <pkg> arg1 args	325	# extcmd framework, basically convert ext <msg>
234	# into pkg::->on_extcmd_arg1 (...) while shortcutting a few	326	# into pkg::->on_extcmd_arg1 (...) while shortcutting a few
235		327
236	sub on_extcmd {	328	sub on_extcmd {
237	my ($pl, $buf) = @_;	329	my ($pl, $buf) = @_;
238		330
239	my ($type) = $buf =~ s/^(\S+) // ? $1 : "";	331	my $msg = eval { from_json $buf };
240		332
241	$extcmd{$type}[0]->($pl, $buf)	333	if (ref $msg) {
242	if $extcmd{$type};	334	if (my $cb = $extcmd{$msg->{msgtype}}) {
		335	if (my %reply = $cb->[0]->($pl, $msg)) {
		336	$pl->ext_reply ($msg->{msgid}, %reply);
		337	}
		338	}
		339	} else {
		340	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
		341	}
		342
		343	1
243	}	344	}
244		345
245	#############################################################################	346	#############################################################################
246	# load/save/clean perl data associated with a map	347	# load/save/clean perl data associated with a map
247		348
…		…
300	};	401	};
301		402
302	#############################################################################	403	#############################################################################
303	# load/save perl data associated with player->ob objects	404	# load/save perl data associated with player->ob objects
304		405
		406	sub all_objects(@) {
		407	@_, map all_objects ($_->inv), @_
		408	}
		409
305	*on_player_load = sub {	410	*on_player_load = sub {
306	my ($ob, $path) = @_;	411	my ($ob, $path) = @_;
307		412
308	if (open my $fh, "<:raw", "$path.cfperl") {	413	for my $o (all_objects $ob) {
309
310	#d##TODO#remove
311
312	my $data = Storable::thaw do { local $/; <$fh> };
313
314	$data->{version} <= 1
315	or return; # too new
316
317	%$ob = %{$data->{ob}};
318	return;
319	}
320
321	for my $o ($ob, $ob->inv) {
322	if (my $value = $o->get_ob_key_value ("_perl_data")) {	414	if (my $value = $o->get_ob_key_value ("_perl_data")) {
323	$o->set_ob_key_value ("_perl_data");	415	$o->set_ob_key_value ("_perl_data");
324		416
325	%$o = %{ Storable::thaw pack "H*", $value };	417	%$o = %{ Storable::thaw pack "H*", $value };
326	}	418	}
…		…
329		421
330	*on_player_save = sub {	422	*on_player_save = sub {
331	my ($ob, $path) = @_;	423	my ($ob, $path) = @_;
332		424
333	$_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_)	425	$_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_)
334	for grep %$_, $ob, $ob->inv;	426	for grep %$_, all_objects $ob;
335
336	unlink "$path.cfperl";#d##TODO#remove
337	};	427	};
		428
		429	#############################################################################
		430	# core extensions - in perl
		431
		432	=item cf::player::exists $login
		433
		434	Returns true when the given account exists.
		435
		436	=cut
		437
		438	sub cf::player::exists($) {
		439	cf::player::find $_[0]
		440	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
		441	}
		442
		443	=item $player->reply ($npc, $msg[, $flags])
		444
		445	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
		446	can be C<undef>. Does the right thing when the player is currently in a
		447	dialogue with the given NPC character.
		448
		449	=cut
		450
		451	# rough implementation of a future "reply" method that works
		452	# with dialog boxes.
		453	sub cf::object::player::reply($$$;$) {
		454	my ($self, $npc, $msg, $flags) = @_;
		455
		456	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;
		457
		458	if ($self->{record_replies}) {
		459	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		460	} else {
		461	$msg = $npc->name . " says: $msg" if $npc;
		462	$self->message ($msg, $flags);
		463	}
		464	}
		465
		466	=item $player->ext_reply ($msgid, $msgtype, %msg)
		467
		468	Sends an ext reply to the player.
		469
		470	=cut
		471
		472	sub cf::player::ext_reply($$$%) {
		473	my ($self, $id, %msg) = @_;
		474
		475	$msg{msgid} = $id;
		476
		477	$self->send ("ext " . to_json \%msg);
		478	}
		479
		480	#############################################################################
		481	# map scripting support
		482
		483	our $safe = new Safe "ext";
		484	our $safe_hole = new Safe::Hole;
		485
		486	$SIG{FPE} = 'IGNORE';
		487
		488	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));
		489
		490	# here we export the classes and methods available to script code
		491
		492	for (
		493	["cf::object" => qw(contr pay_amount pay_player)],
		494	["cf::object::player" => qw(player)],
		495	["cf::player" => qw(peaceful)],
		496	) {
		497	no strict 'refs';
		498	my ($pkg, @funs) = @$_;
		499	*{"ext::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
		500	for @funs;
		501	}
		502
		503	sub safe_eval($;@) {
		504	my ($code, %vars) = @_;
		505
		506	my $qcode = $code;
		507	$qcode =~ s/"/‟/g; # not allowed in #line filenames
		508	$qcode =~ s/\n/\\n/g;
		509
		510	local $_;
		511	local @ext::cf::_safe_eval_args = values %vars;
		512
		513	$code =
		514	"do {\n"
		515	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
		516	. "#line 0 \"{$qcode}\"\n"
		517	. $code
		518	. "\n}"
		519	;
		520
		521	sub_generation_inc;
		522	my @res = wantarray ? $safe->reval ($code) : scalar $safe->reval ($code);
		523	sub_generation_inc;
		524
		525	wantarray ? @res : $res[0]
		526	}
		527
		528	sub register_script_function {
		529	my ($fun, $cb) = @_;
		530
		531	no strict 'refs';
		532	*{"ext::$fun"} = $safe_hole->wrap ($cb);
		533	}
		534
		535	#############################################################################
		536	# the server's main()
		537
		538	sub run {
		539	Event::loop;
		540	}
		541
		542	#############################################################################
		543	# initialisation
338		544
339	register "<global>", __PACKAGE__;	545	register "<global>", __PACKAGE__;
340		546
341	unshift @INC, maps_directory "perl";	547	unshift @INC, $LIBDIR;
342		548
343	load_extensions;	549	load_extensions;
344		550
		551	$TICK_WATCHER = Event->timer (
		552	prio => 1,
		553	at => $NEXT_TICK \|\| 1,
		554	cb => sub {
		555	cf::server_tick; # one server iteration
		556
		557	my $NOW = Event::time;
		558	$NEXT_TICK += $TICK;
		559
		560	# if we are delayed by four ticks, skip them all
		561	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
		562
		563	$TICK_WATCHER->at ($NEXT_TICK);
		564	$TICK_WATCHER->start;
		565	},
		566	);
		567
345	1	568	1
346		569

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.17 by root, Mon Jun 19 10:20:07 2006 UTC vs. Revision 1.38 by root, Thu Aug 24 17:29:30 2006 UTC

Diff Legend

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.17 by root, Mon Jun 19 10:20:07 2006 UTC vs.
Revision 1.38 by root, Thu Aug 24 17:29:30 2006 UTC