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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.573 by root, Sun May 8 12:40:42 2011 UTC vs.
Revision 1.587 by root, Wed Oct 31 19:09:47 2012 UTC

1# 1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG. 2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3# 3#
4# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team 4# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5# 5#
6# Deliantra is free software: you can redistribute it and/or modify it under 6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the 7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your 8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version. 9# option) any later version.
10# 10#
11# This program is distributed in the hope that it will be useful, 11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of 12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details. 14# GNU General Public License for more details.
15# 15#
16# You should have received a copy of the Affero GNU General Public License 16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see 17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>. 18# <http://www.gnu.org/licenses/>.
19# 19#
20# The authors can be reached via e-mail to <support@deliantra.net> 20# The authors can be reached via e-mail to <support@deliantra.net>
21# 21#
22 22
23package cf; 23package cf;
24 24
… …
32use Safe; 32use Safe;
33use Safe::Hole; 33use Safe::Hole;
34use Storable (); 34use Storable ();
35use Carp (); 35use Carp ();
36 36
37use Guard (); 37use AnyEvent ();
38use AnyEvent::IO ();
39use AnyEvent::DNS ();
40
38use Coro (); 41use Coro ();
39use Coro::State; 42use Coro::State;
40use Coro::Handle; 43use Coro::Handle;
41use Coro::EV; 44use Coro::EV;
42use Coro::AnyEvent; 45use Coro::AnyEvent;
… …
48use Coro::AIO; 51use Coro::AIO;
49use Coro::BDB 1.6; 52use Coro::BDB 1.6;
50use Coro::Storable; 53use Coro::Storable;
51use Coro::Util (); 54use Coro::Util ();
52 55
56use Guard ();
53use JSON::XS 2.01 (); 57use JSON::XS 2.01 ();
54use BDB (); 58use BDB ();
55use Data::Dumper; 59use Data::Dumper;
56use Fcntl; 60use Fcntl;
57use YAML::XS (); 61use YAML::XS ();
… …
108our $RANDOMDIR = "$LOCALDIR/random"; 112our $RANDOMDIR = "$LOCALDIR/random";
109our $BDBDIR = "$LOCALDIR/db"; 113our $BDBDIR = "$LOCALDIR/db";
110our $PIDFILE = "$LOCALDIR/pid"; 114our $PIDFILE = "$LOCALDIR/pid";
111our $RUNTIMEFILE = "$LOCALDIR/runtime"; 115our $RUNTIMEFILE = "$LOCALDIR/runtime";
112 116
113our %RESOURCE; # unused 117#our %RESOURCE; # unused
114 118
115our $OUTPUT_RATE_MIN = 3000; 119our $OUTPUT_RATE_MIN = 3000;
116our $OUTPUT_RATE_MAX = 1000000; 120our $OUTPUT_RATE_MAX = 1000000;
117 121
118our $MAX_LINKS = 32; # how many chained exits to follow 122our $MAX_LINKS = 32; # how many chained exits to follow
… …
129our $DB_ENV; 133our $DB_ENV;
130 134
131our @EXTRA_MODULES = qw(pod match mapscript incloader); 135our @EXTRA_MODULES = qw(pod match mapscript incloader);
132 136
133our %CFG; 137our %CFG;
138our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
134 139
135our $UPTIME; $UPTIME ||= time; 140our $UPTIME; $UPTIME ||= time;
136our $RUNTIME = 0; 141our $RUNTIME = 0;
137our $SERVER_TICK = 0; 142our $SERVER_TICK = 0;
138our $NOW; 143our $NOW;
… …
335)) { 340)) {
336 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 341 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
337} 342}
338 343
339$EV::DIED = sub { 344$EV::DIED = sub {
340 Carp::cluck "error in event callback: @_"; 345 warn "error in event callback: $@";
341}; 346};
342 347
343############################################################################# 348#############################################################################
344 349
345sub fork_call(&@); 350sub fork_call(&@);
… …
372 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 377 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
373 $d 378 $d
374 } || "[unable to dump $_[0]: '$@']"; 379 } || "[unable to dump $_[0]: '$@']";
375} 380}
376 381
377=item $scalar = load_file $path 382=item $scalar = cf::load_file $path
378 383
379Loads the given file from path and returns its contents. Croaks on error 384Loads the given file from path and returns its contents. Croaks on error
380and can block. 385and can block.
381 386
382=cut 387=cut
… …
384sub load_file($) { 389sub load_file($) {
385 0 <= aio_load $_[0], my $data 390 0 <= aio_load $_[0], my $data
386 or Carp::croak "$_[0]: $!"; 391 or Carp::croak "$_[0]: $!";
387 392
388 $data 393 $data
394}
395
396=item $success = cf::replace_file $path, $data, $sync
397
398Atomically replaces the file at the given $path with new $data, and
399optionally $sync the data to disk before replacing the file.
400
401=cut
402
403sub replace_file($$;$) {
404 my ($path, $data, $sync) = @_;
405
406 my $lock = cf::lock_acquire ("replace_file:$path");
407
408 my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
409 or return;
410
411 $data = $data->() if ref $data;
412
413 length $data == aio_write $fh, 0, (length $data), $data, 0
414 or return;
415
416 !$sync
417 or !aio_fsync $fh
418 or return;
419
420 aio_close $fh
421 and return;
422
423 aio_rename "$path~", $path
424 and return;
425
426 if ($sync) {
427 $path =~ s%/[^/]*$%%;
428 aio_pathsync $path;
429 }
430
431 1
389} 432}
390 433
391=item $ref = cf::decode_json $json 434=item $ref = cf::decode_json $json
392 435
393Converts a JSON string into the corresponding perl data structure. 436Converts a JSON string into the corresponding perl data structure.
… …
1461 my ($pl, $buf) = @_; 1504 my ($pl, $buf) = @_;
1462 1505
1463 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) }; 1506 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1464 1507
1465 if (ref $msg) { 1508 if (ref $msg) {
1466 my ($type, $reply, @payload) = 1509 my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1467 "ARRAY" eq ref $msg
1468 ? @$msg
1469 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1470 1510
1471 my @reply; 1511 my @reply;
1472 1512
1473 if (my $cb = $EXTCMD{$type}) { 1513 if (my $cb = $EXTCMD{$type}) {
1474 @reply = $cb->($pl, @payload); 1514 @reply = $cb->($pl, @payload);
… …
1496 }; 1536 };
1497 1537
1498 $grp 1538 $grp
1499} 1539}
1500 1540
1541sub _ext_cfg_reg($$$$) {
1542 my ($rvar, $varname, $cfgname, $default) = @_;
1543
1544 $cfgname = lc $varname
1545 unless length $cfgname;
1546
1547 $EXT_CFG{$cfgname} = [$rvar, $default];
1548
1549 $$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
1550}
1551
1501sub load_extensions { 1552sub load_extensions {
1502 info "loading extensions..."; 1553 info "loading extensions...";
1554
1555 %EXT_CFG = ();
1503 1556
1504 cf::sync_job { 1557 cf::sync_job {
1505 my %todo; 1558 my %todo;
1506 1559
1507 for my $path (<$LIBDIR/*.ext>) { 1560 for my $path (<$LIBDIR/*.ext>) {
… …
1550 unless exists $done{$_}; 1603 unless exists $done{$_};
1551 } 1604 }
1552 1605
1553 trace "... pass $pass, loading '$k' into '$v->{pkg}'\n"; 1606 trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1554 1607
1608 my $source = $v->{source};
1609
1610 # support "CONF varname :confname = default" pseudo-statements
1611 $source =~ s{
1612 ^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
1613 }{
1614 "our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
1615 }gmxe;
1616
1555 my $active = eval $v->{source}; 1617 my $active = eval $source;
1556 1618
1557 if (length $@) { 1619 if (length $@) {
1558 error "$v->{path}: $@\n"; 1620 error "$v->{path}: $@\n";
1559 1621
1560 cf::cleanup "mandatory extension '$k' failed to load, exiting." 1622 cf::cleanup "mandatory extension '$k' failed to load, exiting."
… …
2267# if $self->per_party; 2329# if $self->per_party;
2268 2330
2269 $self 2331 $self
2270} 2332}
2271 2333
2272# find and load all maps in the 3x3 area around a map
2273sub load_neighbours {
2274 my ($map) = @_;
2275
2276 my @neigh; # diagonal neighbours
2277
2278 for (0 .. 3) {
2279 my $neigh = $map->tile_path ($_)
2280 or next;
2281 $neigh = find $neigh, $map
2282 or next;
2283 $neigh->load;
2284
2285 # now find the diagonal neighbours
2286 push @neigh,
2287 [$neigh->tile_path (($_ + 3) % 4), $neigh],
2288 [$neigh->tile_path (($_ + 1) % 4), $neigh];
2289 }
2290
2291 for (grep defined $_->[0], @neigh) {
2292 my ($path, $origin) = @$_;
2293 my $neigh = find $path, $origin
2294 or next;
2295 $neigh->load;
2296 }
2297}
2298
2299sub find_sync { 2334sub find_sync {
2300 my ($path, $origin) = @_; 2335 my ($path, $origin) = @_;
2301 2336
2302 # it's a bug to call this from the main context 2337 # it's a bug to call this from the main context
2303 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync" 2338 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
… …
2775 # use -1 or undef as default coordinates, not 0, 0 2810 # use -1 or undef as default coordinates, not 0, 0
2776 ($x, $y) = ($map->enter_x, $map->enter_y) 2811 ($x, $y) = ($map->enter_x, $map->enter_y)
2777 if $x <= 0 && $y <= 0; 2812 if $x <= 0 && $y <= 0;
2778 2813
2779 $map->load; 2814 $map->load;
2780 $map->load_neighbours;
2781 2815
2782 return unless $self->contr->active; 2816 return unless $self->contr->active;
2783 2817
2784 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2818 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2785 if ($self->enter_map ($map, $x, $y)) { 2819 if ($self->enter_map ($map, $x, $y)) {
… …
3218=cut 3252=cut
3219 3253
3220sub cf::client::ext_reply($$@) { 3254sub cf::client::ext_reply($$@) {
3221 my ($self, $id, @msg) = @_; 3255 my ($self, $id, @msg) = @_;
3222 3256
3223 if ($self->extcmd == 2) { 3257 return unless $self->extcmd == 2;
3258
3224 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg])); 3259 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3225 } elsif ($self->extcmd == 1) {
3226 #TODO: version 1, remove
3227 unshift @msg, msgtype => "reply", msgid => $id;
3228 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3229 }
3230} 3260}
3231 3261
3232=item $success = $client->query ($flags, "text", \&cb) 3262=item $success = $client->query ($flags, "text", \&cb)
3233 3263
3234Queues a query to the client, calling the given callback with 3264Queues a query to the client, calling the given callback with
… …
3289 my ($ns, $buf) = @_; 3319 my ($ns, $buf) = @_;
3290 3320
3291 my $msg = eval { $ns->{json_coder}->decode ($buf) }; 3321 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3292 3322
3293 if (ref $msg) { 3323 if (ref $msg) {
3294 my ($type, $reply, @payload) = 3324 my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
3295 "ARRAY" eq ref $msg
3296 ? @$msg
3297 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3298 3325
3299 my @reply; 3326 my @reply;
3300 3327
3301 if (my $cb = $EXTICMD{$type}) { 3328 if (my $cb = $EXTICMD{$type}) {
3302 @reply = $cb->($ns, @payload); 3329 @reply = $cb->($ns, @payload);
… …
3480=cut 3507=cut
3481 3508
3482############################################################################# 3509#############################################################################
3483# the server's init and main functions 3510# the server's init and main functions
3484 3511
3512our %FACEHASH; # hash => idx, #d# HACK for http server
3513
3485sub load_facedata($) { 3514sub load_facedata($) {
3486 my ($path) = @_; 3515 my ($path) = @_;
3487 3516
3488 # HACK to clear player env face cache, we need some signal framework 3517 # HACK to clear player env face cache, we need some signal framework
3489 # for this (global event?) 3518 # for this (global event?)
… …
3508 cf::cede_to_tick; 3537 cf::cede_to_tick;
3509 3538
3510 { 3539 {
3511 my $faces = $facedata->{faceinfo}; 3540 my $faces = $facedata->{faceinfo};
3512 3541
3513 while (my ($face, $info) = each %$faces) { 3542 for my $face (sort keys %$faces) {
3543 my $info = $faces->{$face};
3514 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3544 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3515 3545
3516 cf::face::set_visibility $idx, $info->{visibility}; 3546 cf::face::set_visibility $idx, $info->{visibility};
3517 cf::face::set_magicmap $idx, $info->{magicmap}; 3547 cf::face::set_magicmap $idx, $info->{magicmap};
3518 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32}; 3548 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3519 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64}; 3549 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3520 cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ; 3550 cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3551 $FACEHASH{$info->{hash64}} = $idx;#d#
3521 3552
3522 cf::cede_to_tick; 3553 cf::cede_to_tick;
3523 } 3554 }
3524 3555
3525 while (my ($face, $info) = each %$faces) { 3556 while (my ($face, $info) = each %$faces) {
… …
3552 3583
3553 { 3584 {
3554 my $res = $facedata->{resource}; 3585 my $res = $facedata->{resource};
3555 3586
3556 while (my ($name, $info) = each %$res) { 3587 while (my ($name, $info) = each %$res) {
3557 if (defined $info->{type}) { 3588 if (defined (my $type = $info->{type})) {
3589 # TODO: different hash - must free and use new index, or cache ixface data queue
3558 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3590 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3559 3591
3560 cf::face::set_data $idx, 0, $info->{data}, $info->{hash}; 3592 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3561 cf::face::set_type $idx, $info->{type}; 3593 cf::face::set_type $idx, $type;
3594 cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3595 $FACEHASH{$info->{hash}} = $idx;#d#
3562 } else { 3596 } else {
3563 $RESOURCE{$name} = $info; # unused 3597# $RESOURCE{$name} = $info; # unused
3564 } 3598 }
3565 3599
3566 cf::cede_to_tick; 3600 cf::cede_to_tick;
3567 } 3601 }
3568 } 3602 }
… …
3704 3738
3705sub main { 3739sub main {
3706 cf::init_globals; # initialise logging 3740 cf::init_globals; # initialise logging
3707 3741
3708 LOG llevInfo, "Welcome to Deliantra, v" . VERSION; 3742 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3709 LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team."; 3743 LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3710 LOG llevInfo, "Copyright (C) 1994 Mark Wedel."; 3744 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3711 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen."; 3745 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3712 3746
3713 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority 3747 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3714 3748
3715 # we must not ever block the main coroutine 3749 # we must not ever block the main coroutine
3716 local $Coro::idle = sub { 3750 $Coro::idle = sub {
3717 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3751 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3718 (async { 3752 (async {
3719 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3753 $Coro::current->{desc} = "IDLE BUG HANDLER";
3720 EV::loop EV::LOOP_ONESHOT; 3754 EV::loop EV::LOOP_ONESHOT;
3721 })->prio (Coro::PRIO_MAX); 3755 })->prio (Coro::PRIO_MAX);
… …
3756 }; 3790 };
3757 3791
3758 cf::object::thawer::errors_are_fatal 0; 3792 cf::object::thawer::errors_are_fatal 0;
3759 info "parse errors in files are no longer fatal from this point on.\n"; 3793 info "parse errors in files are no longer fatal from this point on.\n";
3760 3794
3761 my $free_main; $free_main = EV::idle sub { 3795 AE::postpone {
3762 undef $free_main;
3763 undef &main; # free gobs of memory :) 3796 undef &main; # free gobs of memory :)
3764 }; 3797 };
3765 3798
3766 goto &main_loop; 3799 goto &main_loop;
3767} 3800}
… …
3924 3957
3925 cf::write_runtime_sync; # external watchdog should not bark 3958 cf::write_runtime_sync; # external watchdog should not bark
3926 3959
3927 trace "emergency_perl_save: flushing outstanding aio requests"; 3960 trace "emergency_perl_save: flushing outstanding aio requests";
3928 while (IO::AIO::nreqs || BDB::nreqs) { 3961 while (IO::AIO::nreqs || BDB::nreqs) {
3929 Coro::EV::timer_once 0.01; # let the sync_job do it's thing 3962 Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
3930 } 3963 }
3931 3964
3932 cf::write_runtime_sync; # external watchdog should not bark 3965 cf::write_runtime_sync; # external watchdog should not bark
3933 }; 3966 };
3934 3967
… …
4171{ 4204{
4172 # configure BDB 4205 # configure BDB
4173 4206
4174 BDB::min_parallel 16; 4207 BDB::min_parallel 16;
4175 BDB::max_poll_reqs $TICK * 0.1; 4208 BDB::max_poll_reqs $TICK * 0.1;
4176 $AnyEvent::BDB::WATCHER->priority (1); 4209 #$AnyEvent::BDB::WATCHER->priority (1);
4177 4210
4178 unless ($DB_ENV) { 4211 unless ($DB_ENV) {
4179 $DB_ENV = BDB::db_env_create; 4212 $DB_ENV = BDB::db_env_create;
4180 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT); 4213 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4181 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7; 4214 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;

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