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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.181 by root, Fri Jan 19 15:29:52 2007 UTC vs.
Revision 1.277 by root, Sun Jun 10 04:24:50 2007 UTC

3use utf8; 3use utf8;
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Socket;
8use Storable; 9use Storable;
10use Event;
9use Opcode; 11use Opcode;
10use Safe; 12use Safe;
11use Safe::Hole; 13use Safe::Hole;
12 14
13use Coro 3.4 (); 15use Coro 3.61 ();
16use Coro::State;
17use Coro::Handle;
14use Coro::Event; 18use Coro::Event;
15use Coro::Timer; 19use Coro::Timer;
16use Coro::Signal; 20use Coro::Signal;
17use Coro::Semaphore; 21use Coro::Semaphore;
18use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable;
19 24
25use BDB ();
20use Data::Dumper; 26use Data::Dumper;
21use Digest::MD5; 27use Digest::MD5;
22use Fcntl; 28use Fcntl;
29use YAML::Syck ();
23use IO::AIO 2.32 (); 30use IO::AIO 2.32 ();
24use YAML::Syck ();
25use Time::HiRes; 31use Time::HiRes;
32use Compress::LZF;
26 33
34# configure various modules to our taste
35#
36$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 40$Event::Eval = 1; # no idea why this is required, but it is
28
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30 41
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1; 43$YAML::Syck::ImplicitUnicode = 1;
33 44
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35 48
36our %COMMAND = (); 49our %COMMAND = ();
37our %COMMAND_TIME = (); 50our %COMMAND_TIME = ();
38 51
39our @EXTS = (); # list of extension package names 52our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 53our %EXTCMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 54our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps 55our %EXT_MAP = (); # pluggable maps
43 56
57our $RELOAD; # number of reloads so far
44our @EVENT; 58our @EVENT;
45our $LIBDIR = datadir . "/ext";
46 59
47our $TICK = MAX_TIME * 1e-6; 60our $CONFDIR = confdir;
61our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db";
71
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48our $TICK_WATCHER; 73our $TICK_WATCHER;
49our $AIO_POLL_WATCHER; 74our $AIO_POLL_WATCHER;
50our $WRITE_RUNTIME_WATCHER; 75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51our $NEXT_TICK; 76our $NEXT_TICK;
52our $NOW; 77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off
79
80our $BDB_POLL_WATCHER;
81our $DB_ENV;
53 82
54our %CFG; 83our %CFG;
55 84
56our $UPTIME; $UPTIME ||= time; 85our $UPTIME; $UPTIME ||= time;
57our $RUNTIME; 86our $RUNTIME;
58 87
59our %PLAYER; # all users 88our %PLAYER; # all users
60our %MAP; # all maps 89our %MAP; # all maps
61our $LINK_MAP; # the special {link} map, which is always available 90our $LINK_MAP; # the special {link} map, which is always available
62our $RANDOM_MAPS = cf::localdir . "/random";
63
64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66 91
67# used to convert map paths into valid unix filenames by replacing / by ∕ 92# used to convert map paths into valid unix filenames by replacing / by ∕
68our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69 94
95our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing
97our $tick_start; # for load detecting purposes
98
70binmode STDOUT; 99binmode STDOUT;
71binmode STDERR; 100binmode STDERR;
72 101
73# read virtual server time, if available 102# read virtual server time, if available
74unless ($RUNTIME || !-e cf::localdir . "/runtime") { 103unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75 open my $fh, "<", cf::localdir . "/runtime" 104 open my $fh, "<", "$LOCALDIR/runtime"
76 or die "unable to read runtime file: $!"; 105 or die "unable to read runtime file: $!";
77 $RUNTIME = <$fh> + 0.; 106 $RUNTIME = <$fh> + 0.;
78} 107}
79 108
80mkdir cf::localdir; 109mkdir $_
81mkdir cf::localdir . "/" . cf::playerdir; 110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82mkdir cf::localdir . "/" . cf::tmpdir;
83mkdir cf::localdir . "/" . cf::uniquedir;
84mkdir $RANDOM_MAPS;
85 111
86our $EMERGENCY_POSITION; 112our $EMERGENCY_POSITION;
113
114sub cf::map::normalise;
87 115
88############################################################################# 116#############################################################################
89 117
90=head2 GLOBAL VARIABLES 118=head2 GLOBAL VARIABLES
91 119
98=item $cf::RUNTIME 126=item $cf::RUNTIME
99 127
100The time this server has run, starts at 0 and is increased by $cf::TICK on 128The time this server has run, starts at 0 and is increased by $cf::TICK on
101every server tick. 129every server tick.
102 130
103=item $cf::LIBDIR 131=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
132$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
133$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104 134
105The perl library directory, where extensions and cf-specific modules can 135Various directories - "/etc", read-only install directory, perl-library
106be found. It will be added to C<@INC> automatically. 136directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137unique-items directory, player file directory, random maps directory and
138database environment.
107 139
108=item $cf::NOW 140=item $cf::NOW
109 141
110The time of the last (current) server tick. 142The time of the last (current) server tick.
111 143
112=item $cf::TICK 144=item $cf::TICK
113 145
114The interval between server ticks, in seconds. 146The interval between server ticks, in seconds.
147
148=item $cf::LOADAVG
149
150The current CPU load on the server (alpha-smoothed), as a value between 0
151(none) and 1 (overloaded), indicating how much time is spent on processing
152objects per tick. Healthy values are < 0.5.
153
154=item $cf::LOAD
155
156The raw value load value from the last tick.
115 157
116=item %cf::CFG 158=item %cf::CFG
117 159
118Configuration for the server, loaded from C</etc/crossfire/config>, or 160Configuration for the server, loaded from C</etc/crossfire/config>, or
119from wherever your confdir points to. 161from wherever your confdir points to.
120 162
121=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 163=item cf::wait_for_tick, cf::wait_for_tick_begin
122 164
123These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 166returns directly I<after> the tick processing (and consequently, can only wake one process
125processing has been done. Call C<< ->wait >> on them to maximise the 167per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126window of cpu time available, or simply to synchronise to the server tick.
127 168
128=back 169=back
129 170
130=cut 171=cut
131 172
132BEGIN { 173BEGIN {
133 *CORE::GLOBAL::warn = sub { 174 *CORE::GLOBAL::warn = sub {
134 my $msg = join "", @_; 175 my $msg = join "", @_;
135 utf8::encode $msg;
136 176
137 $msg .= "\n" 177 $msg .= "\n"
138 unless $msg =~ /\n$/; 178 unless $msg =~ /\n$/;
139 179
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181
182 utf8::encode $msg;
140 LOG llevError, $msg; 183 LOG llevError, $msg;
141 }; 184 };
142} 185}
143 186
144@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 191@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
192@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 193@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150 194
151# we bless all objects into (empty) derived classes to force a method lookup 195# we bless all objects into (empty) derived classes to force a method lookup
152# within the Safe compartment. 196# within the Safe compartment.
153for my $pkg (qw( 197for my $pkg (qw(
154 cf::global cf::attachable 198 cf::global cf::attachable
190 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 234 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191 $d 235 $d
192 } || "[unable to dump $_[0]: '$@']"; 236 } || "[unable to dump $_[0]: '$@']";
193} 237}
194 238
195use JSON::Syck (); # TODO# replace by JSON::PC once working 239use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
196 240
197=item $ref = cf::from_json $json 241=item $ref = cf::from_json $json
198 242
199Converts a JSON string into the corresponding perl data structure. 243Converts a JSON string into the corresponding perl data structure.
200 244
201=cut
202
203sub from_json($) {
204 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205 JSON::Syck::Load $_[0]
206}
207
208=item $json = cf::to_json $ref 245=item $json = cf::to_json $ref
209 246
210Converts a perl data structure into its JSON representation. 247Converts a perl data structure into its JSON representation.
211
212=cut
213
214sub to_json($) {
215 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
216 JSON::Syck::Dump $_[0]
217}
218 248
219=item cf::lock_wait $string 249=item cf::lock_wait $string
220 250
221Wait until the given lock is available. See cf::lock_acquire. 251Wait until the given lock is available. See cf::lock_acquire.
222 252
228returned. 258returned.
229 259
230Lock names should begin with a unique identifier (for example, cf::map::find 260Lock names should begin with a unique identifier (for example, cf::map::find
231uses map_find and cf::map::load uses map_load). 261uses map_find and cf::map::load uses map_load).
232 262
263=item $locked = cf::lock_active $string
264
265Return true if the lock is currently active, i.e. somebody has locked it.
266
233=cut 267=cut
234 268
235our %LOCK; 269our %LOCK;
236 270
237sub lock_wait($) { 271sub lock_wait($) {
256 # wake up all waiters, to be on the safe side 290 # wake up all waiters, to be on the safe side
257 $_->ready for @{ delete $LOCK{$key} }; 291 $_->ready for @{ delete $LOCK{$key} };
258 } 292 }
259} 293}
260 294
295sub lock_active($) {
296 my ($key) = @_;
297
298 ! ! $LOCK{$key}
299}
300
261sub freeze_mainloop { 301sub freeze_mainloop {
262 return unless $TICK_WATCHER->is_active; 302 return unless $TICK_WATCHER->is_active;
263 303
264 my $guard = Coro::guard { 304 my $guard = Coro::guard {
265 $TICK_WATCHER->start; 305 $TICK_WATCHER->start;
266 $WRITE_RUNTIME_WATCHER->start;
267 }; 306 };
268 $WRITE_RUNTIME_WATCHER->stop;
269 $TICK_WATCHER->stop; 307 $TICK_WATCHER->stop;
270 $guard 308 $guard
271} 309}
272 310
273=item cf::async { BLOCK } 311=item cf::async { BLOCK }
295 333
296sub sync_job(&) { 334sub sync_job(&) {
297 my ($job) = @_; 335 my ($job) = @_;
298 336
299 if ($Coro::current == $Coro::main) { 337 if ($Coro::current == $Coro::main) {
338 my $time = Event::time;
339
300 # this is the main coro, too bad, we have to block 340 # this is the main coro, too bad, we have to block
301 # till the operation succeeds, freezing the server :/ 341 # till the operation succeeds, freezing the server :/
302 342
303 # TODO: use suspend/resume instead 343 # TODO: use suspend/resume instead
304 # (but this is cancel-safe) 344 # (but this is cancel-safe)
315 355
316 while ($busy) { 356 while ($busy) {
317 Coro::cede or Event::one_event; 357 Coro::cede or Event::one_event;
318 } 358 }
319 359
360 $time = Event::time - $time;
361
362 LOG llevError | logBacktrace, Carp::longmess "long sync job"
363 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365 $tick_start += $time; # do not account sync jobs to server load
366
320 wantarray ? @res : $res[0] 367 wantarray ? @res : $res[0]
321 } else { 368 } else {
322 # we are in another coroutine, how wonderful, everything just works 369 # we are in another coroutine, how wonderful, everything just works
323 370
324 $job->() 371 $job->()
344 391
345 $coro 392 $coro
346} 393}
347 394
348sub write_runtime { 395sub write_runtime {
349 my $runtime = cf::localdir . "/runtime"; 396 my $runtime = "$LOCALDIR/runtime";
397
398 # first touch the runtime file to show we are still running:
399 # the fsync below can take a very very long time.
400
401 IO::AIO::aio_utime $runtime, undef, undef;
402
403 my $guard = cf::lock_acquire "write_runtime";
350 404
351 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 405 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
352 or return; 406 or return;
353 407
408 my $value = $cf::RUNTIME + 90 + 10;
354 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 409 # 10 is the runtime save interval, for a monotonic clock
410 # 60 allows for the watchdog to kill the server.
411
355 (aio_write $fh, 0, (length $value), $value, 0) <= 0 412 (aio_write $fh, 0, (length $value), $value, 0) <= 0
356 and return; 413 and return;
357 414
415 # always fsync - this file is important
358 aio_fsync $fh 416 aio_fsync $fh
359 and return; 417 and return;
360 418
419 # touch it again to show we are up-to-date
420 aio_utime $fh, undef, undef;
421
361 close $fh 422 close $fh
362 or return; 423 or return;
363 424
364 aio_rename "$runtime~", $runtime 425 aio_rename "$runtime~", $runtime
365 and return; 426 and return;
366 427
428 warn "runtime file written.\n";
429
367 1 430 1
431}
432
433=item cf::datalog type => key => value, ...
434
435Log a datalog packet of the given type with the given key-value pairs.
436
437=cut
438
439sub datalog($@) {
440 my ($type, %kv) = @_;
441 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368} 442}
369 443
370=back 444=back
371 445
372=cut 446=cut
552 $registry = $CB_TYPE[$object_type] ||= []; 626 $registry = $CB_TYPE[$object_type] ||= [];
553 627
554 } elsif ($type eq "subtype") { 628 } elsif ($type eq "subtype") {
555 defined $object_type or Carp::croak "subtype specified without type"; 629 defined $object_type or Carp::croak "subtype specified without type";
556 my $object_subtype = shift @arg; 630 my $object_subtype = shift @arg;
557 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 631 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558 632
559 } elsif ($type eq "package") { 633 } elsif ($type eq "package") {
560 my $pkg = shift @arg; 634 my $pkg = shift @arg;
561 635
562 while (my ($name, $id) = each %cb_id) { 636 while (my ($name, $id) = each %cb_id) {
603 if (ref $_[0]) { 677 if (ref $_[0]) {
604 _object_attach @_; 678 _object_attach @_;
605 } else { 679 } else {
606 _attach shift->_attach_registry, @_; 680 _attach shift->_attach_registry, @_;
607 } 681 }
682 _recalc_want;
608}; 683};
609 684
610# all those should be optimised 685# all those should be optimised
611sub cf::attachable::detach { 686sub cf::attachable::detach {
612 my ($obj, $name) = @_; 687 my ($obj, $name) = @_;
615 delete $obj->{_attachment}{$name}; 690 delete $obj->{_attachment}{$name};
616 reattach ($obj); 691 reattach ($obj);
617 } else { 692 } else {
618 Carp::croak "cannot, currently, detach class attachments"; 693 Carp::croak "cannot, currently, detach class attachments";
619 } 694 }
695 _recalc_want;
620}; 696};
621 697
622sub cf::attachable::attached { 698sub cf::attachable::attached {
623 my ($obj, $name) = @_; 699 my ($obj, $name) = @_;
624 700
747 $filename, length $$rdata, scalar @$objs; 823 $filename, length $$rdata, scalar @$objs;
748 824
749 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 825 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750 chmod SAVE_MODE, $fh; 826 chmod SAVE_MODE, $fh;
751 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 827 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752 aio_fsync $fh; 828 aio_fsync $fh if $cf::USE_FSYNC;
753 close $fh; 829 close $fh;
754 830
755 if (@$objs) { 831 if (@$objs) {
756 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 832 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757 chmod SAVE_MODE, $fh; 833 chmod SAVE_MODE, $fh;
758 my $data = Storable::nfreeze { version => 1, objs => $objs }; 834 my $data = Storable::nfreeze { version => 1, objs => $objs };
759 aio_write $fh, 0, (length $data), $data, 0; 835 aio_write $fh, 0, (length $data), $data, 0;
760 aio_fsync $fh; 836 aio_fsync $fh if $cf::USE_FSYNC;
761 close $fh; 837 close $fh;
762 aio_rename "$filename.pst~", "$filename.pst"; 838 aio_rename "$filename.pst~", "$filename.pst";
763 } 839 }
764 } else { 840 } else {
765 aio_unlink "$filename.pst"; 841 aio_unlink "$filename.pst";
797 or return; 873 or return;
798 $av = eval { (Storable::thaw $av)->{objs} }; 874 $av = eval { (Storable::thaw $av)->{objs} };
799 } 875 }
800 876
801 warn sprintf "loading %s (%d)\n", 877 warn sprintf "loading %s (%d)\n",
802 $filename, length $data, scalar @{$av || []};#d# 878 $filename, length $data, scalar @{$av || []};
803 return ($data, $av); 879 return ($data, $av);
804} 880}
805 881
806############################################################################# 882#############################################################################
807# command handling &c 883# command handling &c
934Returns the given player object, loading it if necessary (might block). 1010Returns the given player object, loading it if necessary (might block).
935 1011
936=cut 1012=cut
937 1013
938sub playerdir($) { 1014sub playerdir($) {
939 cf::localdir 1015 "$PLAYERDIR/"
940 . "/"
941 . cf::playerdir
942 . "/"
943 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1016 . (ref $_[0] ? $_[0]->ob->name : $_[0])
944} 1017}
945 1018
946sub path($) { 1019sub path($) {
947 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1020 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948 1021
949 (playerdir $login) . "/$login.pl" 1022 (playerdir $login) . "/playerdata"
950} 1023}
951 1024
952sub find_active($) { 1025sub find_active($) {
953 $cf::PLAYER{$_[0]} 1026 $cf::PLAYER{$_[0]}
954 and $cf::PLAYER{$_[0]}->active 1027 and $cf::PLAYER{$_[0]}->active
967 my $login = $_[0]; 1040 my $login = $_[0];
968 1041
969 my $guard = cf::lock_acquire "user_find:$login"; 1042 my $guard = cf::lock_acquire "user_find:$login";
970 1043
971 $cf::PLAYER{$_[0]} || do { 1044 $cf::PLAYER{$_[0]} || do {
1045 # rename old playerfiles to new ones
1046 #TODO: remove when no longer required
1047 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050 aio_unlink +(playerdir $login) . "/$login.pl";
1051
972 my $pl = load_pl path $login 1052 my $pl = load_pl path $login
973 or return; 1053 or return;
974 $cf::PLAYER{$login} = $pl 1054 $cf::PLAYER{$login} = $pl
975 } 1055 }
976 } 1056 }
1013 1093
1014=cut 1094=cut
1015 1095
1016sub quit_character { 1096sub quit_character {
1017 my ($pl) = @_; 1097 my ($pl) = @_;
1098
1099 my $name = $pl->ob->name;
1018 1100
1019 $pl->{deny_save} = 1; 1101 $pl->{deny_save} = 1;
1020 $pl->password ("*"); # this should lock out the player until we nuked the dir 1102 $pl->password ("*"); # this should lock out the player until we nuked the dir
1021 1103
1022 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1104 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1027 my $path = playerdir $pl; 1109 my $path = playerdir $pl;
1028 my $temp = "$path~$cf::RUNTIME~deleting~"; 1110 my $temp = "$path~$cf::RUNTIME~deleting~";
1029 aio_rename $path, $temp; 1111 aio_rename $path, $temp;
1030 delete $cf::PLAYER{$pl->ob->name}; 1112 delete $cf::PLAYER{$pl->ob->name};
1031 $pl->destroy; 1113 $pl->destroy;
1114
1115 my $prefix = qr<^~\Q$name\E/>;
1116
1117 # nuke player maps
1118 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1119
1032 IO::AIO::aio_rmtree $temp; 1120 IO::AIO::aio_rmtree $temp;
1121}
1122
1123=item $pl->kick
1124
1125Kicks a player out of the game. This destroys the connection.
1126
1127=cut
1128
1129sub kick {
1130 my ($pl, $kicker) = @_;
1131
1132 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1133 $pl->killer ("kicked");
1134 $pl->ns->destroy;
1033} 1135}
1034 1136
1035=item cf::player::list_logins 1137=item cf::player::list_logins
1036 1138
1037Returns am arrayref of all valid playernames in the system, can take a 1139Returns am arrayref of all valid playernames in the system, can take a
1038while and may block, so not sync_job-capable, ever. 1140while and may block, so not sync_job-capable, ever.
1039 1141
1040=cut 1142=cut
1041 1143
1042sub list_logins { 1144sub list_logins {
1043 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1145 my $dirs = aio_readdir $PLAYERDIR
1044 or return []; 1146 or return [];
1045 1147
1046 my @logins; 1148 my @logins;
1047 1149
1048 for my $login (@$dirs) { 1150 for my $login (@$dirs) {
1065=cut 1167=cut
1066 1168
1067sub maps($) { 1169sub maps($) {
1068 my ($pl) = @_; 1170 my ($pl) = @_;
1069 1171
1172 $pl = ref $pl ? $pl->ob->name : $pl;
1173
1070 my $files = aio_readdir playerdir $pl 1174 my $files = aio_readdir playerdir $pl
1071 or return; 1175 or return;
1072 1176
1073 my @paths; 1177 my @paths;
1074 1178
1075 for (@$files) { 1179 for (@$files) {
1076 utf8::decode $_; 1180 utf8::decode $_;
1077 next if /\.(?:pl|pst)$/; 1181 next if /\.(?:pl|pst)$/;
1078 next unless /^$PATH_SEP/o; 1182 next unless /^$PATH_SEP/o;
1079 1183
1080 s/\.map$//; 1184 push @paths, cf::map::normalise "~$pl/$_";
1081 push @paths, "~" . $pl->ob->name . "/" . $_;
1082 } 1185 }
1083 1186
1084 \@paths 1187 \@paths
1085} 1188}
1086 1189
1087=item $player->ext_reply ($msgid, $msgtype, %msg) 1190=item $player->ext_reply ($msgid, %msg)
1088 1191
1089Sends an ext reply to the player. 1192Sends an ext reply to the player.
1090 1193
1091=cut 1194=cut
1092 1195
1093sub ext_reply($$$%) { 1196sub ext_reply($$%) {
1094 my ($self, $id, %msg) = @_; 1197 my ($self, $id, %msg) = @_;
1095 1198
1096 $msg{msgid} = $id; 1199 $msg{msgid} = $id;
1097 1200
1098 $self->send ("ext " . cf::to_json \%msg); 1201 $self->send ("ext " . cf::to_json \%msg);
1099} 1202}
1100 1203
1101package cf; 1204=item $player->ext_event ($type, %msg)
1205
1206Sends an ext event to the client.
1207
1208=cut
1209
1210sub ext_event($$%) {
1211 my ($self, $type, %msg) = @_;
1212
1213 $self->ns->ext_event ($type, %msg);
1214}
1215
1216=head3 cf::region
1217
1218=over 4
1219
1220=cut
1221
1222package cf::region;
1223
1224=item cf::region::find_by_path $path
1225
1226Tries to decuce the probable region for a map knowing only its path.
1227
1228=cut
1229
1230sub find_by_path($) {
1231 my ($path) = @_;
1232
1233 my ($match, $specificity);
1234
1235 for my $region (list) {
1236 if ($region->match && $path =~ $region->match) {
1237 ($match, $specificity) = ($region, $region->specificity)
1238 if $region->specificity > $specificity;
1239 }
1240 }
1241
1242 $match
1243}
1102 1244
1103=back 1245=back
1104
1105 1246
1106=head3 cf::map 1247=head3 cf::map
1107 1248
1108=over 4 1249=over 4
1109 1250
1137 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1278 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138 (cf::region::find $rmp->{region}), $rmp->{custom} 1279 (cf::region::find $rmp->{region}), $rmp->{custom}
1139 ) 1280 )
1140} 1281}
1141 1282
1283=item cf::map->register ($regex, $prio)
1284
1285Register a handler for the map path matching the given regex at the
1286givne priority (higher is better, built-in handlers have priority 0, the
1287default).
1288
1289=cut
1290
1142sub register { 1291sub register {
1143 my (undef, $regex) = @_; 1292 my (undef, $regex, $prio) = @_;
1144 my $pkg = caller; 1293 my $pkg = caller;
1145 1294
1146 no strict; 1295 no strict;
1147 push @{"$pkg\::ISA"}, __PACKAGE__; 1296 push @{"$pkg\::ISA"}, __PACKAGE__;
1148 1297
1149 $EXT_MAP{$pkg} = qr<$regex>; 1298 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150} 1299}
1151 1300
1152# also paths starting with '/' 1301# also paths starting with '/'
1153$EXT_MAP{"cf::map"} = qr{^(?=/)}; 1302$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154 1303
1155sub thawer_merge { 1304sub thawer_merge {
1156 my ($self, $merge) = @_; 1305 my ($self, $merge) = @_;
1157 1306
1158 # we have to keep some variables in memory intact 1307 # we have to keep some variables in memory intact
1159 local $self->{path}; 1308 local $self->{path};
1160 local $self->{load_path}; 1309 local $self->{load_path};
1161 local $self->{deny_save};
1162 local $self->{deny_reset};
1163 1310
1164 $self->SUPER::thawer_merge ($merge); 1311 $self->SUPER::thawer_merge ($merge);
1165} 1312}
1166 1313
1167sub normalise { 1314sub normalise {
1168 my ($path, $base) = @_; 1315 my ($path, $base) = @_;
1316
1317 $path = "$path"; # make sure its a string
1318
1319 $path =~ s/\.map$//;
1169 1320
1170 # map plan: 1321 # map plan:
1171 # 1322 #
1172 # /! non-realised random map exit (special hack!) 1323 # /! non-realised random map exit (special hack!)
1173 # {... are special paths that are not being touched 1324 # {... are special paths that are not being touched
1201 1352
1202 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object 1353 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203 1354
1204 $path = normalise $path, $base; 1355 $path = normalise $path, $base;
1205 1356
1206 for my $pkg (keys %EXT_MAP) { 1357 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207 if ($path =~ $EXT_MAP{$pkg}) { 1358 if ($path =~ $EXT_MAP{$pkg}[1]) {
1208 my $self = bless cf::map::new, $pkg; 1359 my $self = bless cf::map::new, $pkg;
1209 $self->{path} = $path; $self->path ($path); 1360 $self->{path} = $path; $self->path ($path);
1210 $self->init; # pass $1 etc. 1361 $self->init; # pass $1 etc.
1211 return $self; 1362 return $self;
1212 } 1363 }
1213 } 1364 }
1214 1365
1215 Carp::carp "unable to resolve path '$path'."; 1366 Carp::carp "unable to resolve path '$path' (base '$base').";
1216 () 1367 ()
1217} 1368}
1218 1369
1219sub init { 1370sub init {
1220 my ($self) = @_; 1371 my ($self) = @_;
1235 1386
1236# the original (read-only) location 1387# the original (read-only) location
1237sub load_path { 1388sub load_path {
1238 my ($self) = @_; 1389 my ($self) = @_;
1239 1390
1240 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1391 "$MAPDIR/$self->{path}.map"
1241} 1392}
1242 1393
1243# the temporary/swap location 1394# the temporary/swap location
1244sub save_path { 1395sub save_path {
1245 my ($self) = @_; 1396 my ($self) = @_;
1246 1397
1247 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1398 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1248 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path 1399 "$TMPDIR/$path.map"
1249} 1400}
1250 1401
1251# the unique path, undef == no special unique path 1402# the unique path, undef == no special unique path
1252sub uniq_path { 1403sub uniq_path {
1253 my ($self) = @_; 1404 my ($self) = @_;
1254 1405
1255 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1406 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1256 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1407 "$UNIQUEDIR/$path"
1257} 1408}
1258 1409
1259# and all this just because we cannot iterate over 1410# and all this just because we cannot iterate over
1260# all maps in C++... 1411# all maps in C++...
1261sub change_all_map_light { 1412sub change_all_map_light {
1263 1414
1264 $_->change_map_light ($change) 1415 $_->change_map_light ($change)
1265 for grep $_->outdoor, values %cf::MAP; 1416 for grep $_->outdoor, values %cf::MAP;
1266} 1417}
1267 1418
1419sub decay_objects {
1420 my ($self) = @_;
1421
1422 return if $self->{deny_reset};
1423
1424 $self->do_decay_objects;
1425}
1426
1268sub unlink_save { 1427sub unlink_save {
1269 my ($self) = @_; 1428 my ($self) = @_;
1270 1429
1271 utf8::encode (my $save = $self->save_path); 1430 utf8::encode (my $save = $self->save_path);
1272 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1431 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1275 1434
1276sub load_header_from($) { 1435sub load_header_from($) {
1277 my ($self, $path) = @_; 1436 my ($self, $path) = @_;
1278 1437
1279 utf8::encode $path; 1438 utf8::encode $path;
1280 aio_open $path, O_RDONLY, 0 1439 #aio_open $path, O_RDONLY, 0
1281 or return; 1440 # or return;
1282 1441
1283 $self->_load_header ($path) 1442 $self->_load_header ($path)
1284 or return; 1443 or return;
1285 1444
1286 $self->{load_path} = $path; 1445 $self->{load_path} = $path;
1287 1446
1288 1 1447 1
1289} 1448}
1290 1449
1291sub load_orig { 1450sub load_header_orig {
1292 my ($self) = @_; 1451 my ($self) = @_;
1293 1452
1294 $self->load_header_from ($self->load_path) 1453 $self->load_header_from ($self->load_path)
1295} 1454}
1296 1455
1297sub load_temp { 1456sub load_header_temp {
1298 my ($self) = @_; 1457 my ($self) = @_;
1299 1458
1300 $self->load_header_from ($self->save_path) 1459 $self->load_header_from ($self->save_path)
1460}
1461
1462sub prepare_temp {
1463 my ($self) = @_;
1464
1465 $self->last_access ((delete $self->{last_access})
1466 || $cf::RUNTIME); #d#
1467 # safety
1468 $self->{instantiate_time} = $cf::RUNTIME
1469 if $self->{instantiate_time} > $cf::RUNTIME;
1470}
1471
1472sub prepare_orig {
1473 my ($self) = @_;
1474
1475 $self->{load_original} = 1;
1476 $self->{instantiate_time} = $cf::RUNTIME;
1477 $self->last_access ($cf::RUNTIME);
1478 $self->instantiate;
1301} 1479}
1302 1480
1303sub load_header { 1481sub load_header {
1304 my ($self) = @_; 1482 my ($self) = @_;
1305 1483
1306 if ($self->load_temp) { 1484 if ($self->load_header_temp) {
1307 $self->last_access ((delete $self->{last_access}) 1485 $self->prepare_temp;
1308 || $cf::RUNTIME); #d#
1309 # safety
1310 $self->{instantiate_time} = $cf::RUNTIME
1311 if $self->{instantiate_time} > $cf::RUNTIME;
1312 } else { 1486 } else {
1313 $self->load_orig 1487 $self->load_header_orig
1314 or return; 1488 or return;
1315 1489 $self->prepare_orig;
1316 $self->{load_original} = 1;
1317 $self->{instantiate_time} = $cf::RUNTIME;
1318 $self->last_access ($cf::RUNTIME);
1319 $self->instantiate;
1320 } 1490 }
1491
1492 $self->{deny_reset} = 1
1493 if $self->no_reset;
1494
1495 $self->default_region (cf::region::find_by_path $self->{path})
1496 unless $self->default_region;
1321 1497
1322 1 1498 1
1323} 1499}
1324 1500
1325sub find; 1501sub find;
1338 $map->{last_save} = $cf::RUNTIME; 1514 $map->{last_save} = $cf::RUNTIME;
1339 1515
1340 $map->load_header 1516 $map->load_header
1341 or return; 1517 or return;
1342 1518
1343 if ($map->should_reset) { 1519 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520 # doing this can freeze the server in a sync job, obviously
1344 $cf::WAIT_FOR_TICK->wait; 1521 #$cf::WAIT_FOR_TICK->wait;
1345 $map->reset; 1522 $map->reset;
1346 undef $guard; 1523 undef $guard;
1347 $map = find $path 1524 return find $path;
1348 or return;
1349 } 1525 }
1350 1526
1351 $cf::MAP{$path} = $map 1527 $cf::MAP{$path} = $map
1352 } 1528 }
1353} 1529}
1530
1531sub pre_load { }
1532sub post_load { }
1354 1533
1355sub load { 1534sub load {
1356 my ($self) = @_; 1535 my ($self) = @_;
1357 1536
1537 local $self->{deny_reset} = 1; # loading can take a long time
1538
1358 my $path = $self->{path}; 1539 my $path = $self->{path};
1540
1541 {
1359 my $guard = cf::lock_acquire "map_load:$path"; 1542 my $guard = cf::lock_acquire "map_load:$path";
1360 1543
1361 return if $self->in_memory != cf::MAP_SWAPPED; 1544 return if $self->in_memory != cf::MAP_SWAPPED;
1362 1545
1363 $self->in_memory (cf::MAP_LOADING); 1546 $self->in_memory (cf::MAP_LOADING);
1364 1547
1365 $self->alloc; 1548 $self->alloc;
1366 $self->_load_objects ($self->{load_path}, 1)
1367 or return;
1368 1549
1369 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1550 $self->pre_load;
1370 if delete $self->{load_original};
1371
1372 if (my $uniq = $self->uniq_path) {
1373 utf8::encode $uniq;
1374 if (aio_open $uniq, O_RDONLY, 0) {
1375 $self->clear_unique_items;
1376 $self->_load_objects ($uniq, 0);
1377 }
1378 }
1379
1380 Coro::cede;
1381
1382 # now do the right thing for maps
1383 $self->link_multipart_objects;
1384
1385 unless ($self->{deny_activate}) {
1386 $self->decay_objects;
1387 $self->fix_auto_apply;
1388 $self->update_buttons;
1389 Coro::cede; 1551 Coro::cede;
1390 $self->set_darkness_map; 1552
1553 $self->_load_objects ($self->{load_path}, 1)
1554 or return;
1555
1556 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1557 if delete $self->{load_original};
1558
1559 if (my $uniq = $self->uniq_path) {
1560 utf8::encode $uniq;
1561 if (aio_open $uniq, O_RDONLY, 0) {
1562 $self->clear_unique_items;
1563 $self->_load_objects ($uniq, 0);
1564 }
1565 }
1566
1567 Coro::cede;
1568 # now do the right thing for maps
1569 $self->link_multipart_objects;
1391 $self->difficulty ($self->estimate_difficulty) 1570 $self->difficulty ($self->estimate_difficulty)
1392 unless $self->difficulty; 1571 unless $self->difficulty;
1393 Coro::cede; 1572 Coro::cede;
1573
1574 unless ($self->{deny_activate}) {
1575 $self->decay_objects;
1576 $self->fix_auto_apply;
1577 $self->update_buttons;
1578 Coro::cede;
1579 $self->set_darkness_map;
1580 Coro::cede;
1394 $self->activate; 1581 $self->activate;
1395 } 1582 }
1396 1583
1397 $self->in_memory (cf::MAP_IN_MEMORY); 1584 $self->in_memory (cf::MAP_IN_MEMORY);
1585 }
1586
1587 $self->post_load;
1398} 1588}
1399 1589
1400sub customise_for { 1590sub customise_for {
1401 my ($self, $ob) = @_; 1591 my ($self, $ob) = @_;
1402 1592
1403 return find "~" . $ob->name . "/" . $self->{path} 1593 return find "~" . $ob->name . "/" . $self->{path}
1404 if $self->per_player; 1594 if $self->per_player;
1595
1596# return find "?party/" . $ob->name . "/" . $self->{path}
1597# if $self->per_party;
1405 1598
1406 $self 1599 $self
1407} 1600}
1408 1601
1409# find and load all maps in the 3x3 area around a map 1602# find and load all maps in the 3x3 area around a map
1441 1634
1442 cf::sync_job { $map->load }; 1635 cf::sync_job { $map->load };
1443} 1636}
1444 1637
1445our %MAP_PREFETCH; 1638our %MAP_PREFETCH;
1446our $MAP_PREFETCHER = Coro::async { 1639our $MAP_PREFETCHER = undef;
1447 while () {
1448 for my $path (keys %MAP_PREFETCH) {
1449 my $map = find $path
1450 or next;
1451 $map->load;
1452
1453 delete $MAP_PREFETCH{$path};
1454 }
1455 Coro::schedule;
1456 }
1457};
1458 1640
1459sub find_async { 1641sub find_async {
1460 my ($path, $origin) = @_; 1642 my ($path, $origin) = @_;
1461 1643
1462 $path = normalise $path, $origin && $origin->{path}; 1644 $path = normalise $path, $origin && $origin->{path};
1463 1645
1464 if (my $map = $cf::MAP{$path}) { 1646 if (my $map = $cf::MAP{$path}) {
1465 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1647 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1466 } 1648 }
1467 1649
1468 $MAP_PREFETCH{$path} = 0; 1650 undef $MAP_PREFETCH{$path};
1651 $MAP_PREFETCHER ||= cf::async {
1652 while (%MAP_PREFETCH) {
1653 for my $path (keys %MAP_PREFETCH) {
1654 my $map = find $path
1655 or next;
1656 $map->load;
1657
1658 delete $MAP_PREFETCH{$path};
1659 }
1660 }
1661 undef $MAP_PREFETCHER;
1662 };
1469 $MAP_PREFETCHER->ready; 1663 $MAP_PREFETCHER->prio (6);
1470 1664
1471 () 1665 ()
1472} 1666}
1473 1667
1474sub save { 1668sub save {
1519 1713
1520sub reset_at { 1714sub reset_at {
1521 my ($self) = @_; 1715 my ($self) = @_;
1522 1716
1523 # TODO: safety, remove and allow resettable per-player maps 1717 # TODO: safety, remove and allow resettable per-player maps
1524 return 1e99 if $self->isa ("ext::map_per_player");#d#
1525 return 1e99 if $self->{deny_reset}; 1718 return 1e99 if $self->{deny_reset};
1526 1719
1527 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1720 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1721 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1529 1722
1540 my ($self) = @_; 1733 my ($self) = @_;
1541 1734
1542 my $lock = cf::lock_acquire "map_data:$self->{path}"; 1735 my $lock = cf::lock_acquire "map_data:$self->{path}";
1543 1736
1544 return if $self->players; 1737 return if $self->players;
1545 return if $self->isa ("ext::map_per_player");#d#
1546 1738
1547 warn "resetting map ", $self->path;#d# 1739 warn "resetting map ", $self->path;
1740
1741 $self->in_memory (cf::MAP_SWAPPED);
1742
1743 # need to save uniques path
1744 unless ($self->{deny_save}) {
1745 my $uniq = $self->uniq_path; utf8::encode $uniq;
1746
1747 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1748 if $uniq;
1749 }
1548 1750
1549 delete $cf::MAP{$self->path}; 1751 delete $cf::MAP{$self->path};
1550 1752
1551 $self->in_memory (cf::MAP_SWAPPED);
1552 $self->clear; 1753 $self->clear;
1553 1754
1554 $_->clear_links_to ($self) for values %cf::MAP; 1755 $_->clear_links_to ($self) for values %cf::MAP;
1555 1756
1556 $self->unlink_save; 1757 $self->unlink_save;
1575 $cf::MAP{$self->path} = $self; 1776 $cf::MAP{$self->path} = $self;
1576 1777
1577 $self->reset; # polite request, might not happen 1778 $self->reset; # polite request, might not happen
1578} 1779}
1579 1780
1781=item $maps = cf::map::tmp_maps
1782
1783Returns an arrayref with all map paths of currently instantiated and saved
1784maps. May block.
1785
1786=cut
1787
1788sub tmp_maps() {
1789 [
1790 map {
1791 utf8::decode $_;
1792 /\.map$/
1793 ? normalise $_
1794 : ()
1795 } @{ aio_readdir $TMPDIR or [] }
1796 ]
1797}
1798
1799=item $maps = cf::map::random_maps
1800
1801Returns an arrayref with all map paths of currently instantiated and saved
1802random maps. May block.
1803
1804=cut
1805
1806sub random_maps() {
1807 [
1808 map {
1809 utf8::decode $_;
1810 /\.map$/
1811 ? normalise "?random/$_"
1812 : ()
1813 } @{ aio_readdir $RANDOMDIR or [] }
1814 ]
1815}
1816
1580=item cf::map::unique_maps 1817=item cf::map::unique_maps
1581 1818
1582Returns an arrayref of paths of all shared maps that have 1819Returns an arrayref of paths of all shared maps that have
1583instantiated unique items. May block. 1820instantiated unique items. May block.
1584 1821
1585=cut 1822=cut
1586 1823
1587sub unique_maps() { 1824sub unique_maps() {
1588 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 1825 [
1589 or return; 1826 map {
1590
1591 my @paths;
1592
1593 for (@$files) {
1594 utf8::decode $_; 1827 utf8::decode $_;
1595 next if /\.pst$/;
1596 next unless /^$PATH_SEP/o;
1597
1598 s/\.map$//; 1828 /\.map$/
1599 push @paths, $_; 1829 ? normalise $_
1830 : ()
1831 } @{ aio_readdir $UNIQUEDIR or [] }
1600 } 1832 ]
1601
1602 \@paths
1603} 1833}
1604 1834
1605package cf; 1835package cf;
1606 1836
1607=back 1837=back
1698=cut 1928=cut
1699 1929
1700sub link_map { 1930sub link_map {
1701 unless ($LINK_MAP) { 1931 unless ($LINK_MAP) {
1702 $LINK_MAP = cf::map::find "{link}" 1932 $LINK_MAP = cf::map::find "{link}"
1703 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; 1933 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1704 $LINK_MAP->load; 1934 $LINK_MAP->load;
1705 } 1935 }
1706 1936
1707 $LINK_MAP 1937 $LINK_MAP
1708} 1938}
1713 $self->deactivate_recursive; 1943 $self->deactivate_recursive;
1714 1944
1715 return if UNIVERSAL::isa $self->map, "ext::map_link"; 1945 return if UNIVERSAL::isa $self->map, "ext::map_link";
1716 1946
1717 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1947 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1718 if $self->map; 1948 if $self->map && $self->map->{path} ne "{link}";
1719 1949
1720 $self->enter_map ($LINK_MAP || link_map, 20, 20); 1950 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1721} 1951}
1722 1952
1723sub cf::object::player::leave_link { 1953sub cf::object::player::leave_link {
1724 my ($self, $map, $x, $y) = @_; 1954 my ($self, $map, $x, $y) = @_;
1955
1956 return unless $self->contr->active;
1725 1957
1726 my $link_pos = delete $self->{_link_pos}; 1958 my $link_pos = delete $self->{_link_pos};
1727 1959
1728 unless ($map) { 1960 unless ($map) {
1729 # restore original map position 1961 # restore original map position
1747 $map->load; 1979 $map->load;
1748 $map->load_diag; 1980 $map->load_diag;
1749 1981
1750 return unless $self->contr->active; 1982 return unless $self->contr->active;
1751 $self->activate_recursive; 1983 $self->activate_recursive;
1984
1985 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1752 $self->enter_map ($map, $x, $y); 1986 $self->enter_map ($map, $x, $y);
1753} 1987}
1754 1988
1755cf::player->attach (
1756 on_logout => sub {
1757 my ($pl) = @_;
1758
1759 # abort map switching before logout
1760 if ($pl->ob->{_link_pos}) {
1761 cf::sync_job {
1762 $pl->ob->leave_link
1763 };
1764 }
1765 },
1766 on_login => sub {
1767 my ($pl) = @_;
1768
1769 # try to abort aborted map switching on player login :)
1770 # should happen only on crashes
1771 if ($pl->ob->{_link_pos}) {
1772 $pl->ob->enter_link;
1773 (async {
1774 # we need this sleep as the login has a concurrent enter_exit running
1775 # and this sleep increases chances of the player not ending up in scorn
1776 $pl->ob->reply (undef,
1777 "There was an internal problem at your last logout, "
1778 . "the server will try to bring you to your intended destination in a second.",
1779 cf::NDI_RED);
1780 Coro::Timer::sleep 1;
1781 $pl->ob->leave_link;
1782 })->prio (2);
1783 }
1784 },
1785);
1786
1787=item $player_object->goto ($path, $x, $y) 1989=item $player_object->goto ($path, $x, $y[, $check->($map)])
1788 1990
1991Moves the player to the given map-path and coordinates by first freezing
1992her, loading and preparing them map, calling the provided $check callback
1993that has to return the map if sucecssful, and then unfreezes the player on
1994the new (success) or old (failed) map position.
1995
1789=cut 1996=cut
1997
1998our $GOTOGEN;
1790 1999
1791sub cf::object::player::goto { 2000sub cf::object::player::goto {
1792 my ($self, $path, $x, $y) = @_; 2001 my ($self, $path, $x, $y, $check) = @_;
2002
2003 # do generation counting so two concurrent goto's will be executed in-order
2004 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1793 2005
1794 $self->enter_link; 2006 $self->enter_link;
1795 2007
1796 (async { 2008 (async {
2009 my $map = eval {
1797 my $map = cf::map::find $path; 2010 my $map = cf::map::find $path;
2011
2012 if ($map) {
1798 $map = $map->customise_for ($self) if $map; 2013 $map = $map->customise_for ($self);
1799 2014 $map = $check->($map) if $check && $map;
1800# warn "entering ", $map->path, " at ($x, $y)\n" 2015 } else {
1801# if $map;
1802
1803 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2016 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
2017 }
1804 2018
2019 $map
2020 };
2021
2022 if ($@) {
2023 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2024 LOG llevError | logBacktrace, Carp::longmess $@;
2025 }
2026
2027 if ($gen == $self->{_goto_generation}) {
2028 delete $self->{_goto_generation};
1805 $self->leave_link ($map, $x, $y); 2029 $self->leave_link ($map, $x, $y);
2030 }
1806 })->prio (1); 2031 })->prio (1);
1807} 2032}
1808 2033
1809=item $player_object->enter_exit ($exit_object) 2034=item $player_object->enter_exit ($exit_object)
1810 2035
1815 2040
1816 my $rmp = { # defaults 2041 my $rmp = { # defaults
1817 xsize => (cf::rndm 15, 40), 2042 xsize => (cf::rndm 15, 40),
1818 ysize => (cf::rndm 15, 40), 2043 ysize => (cf::rndm 15, 40),
1819 symmetry => (cf::rndm 1, cf::SYMMETRY_XY), 2044 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1820 #layout => string 2045 #layout => string,
1821 }; 2046 };
1822 2047
1823 for (split /\n/, $spec) { 2048 for (split /\n/, $spec) {
1824 my ($k, $v) = split /\s+/, $_, 2; 2049 my ($k, $v) = split /\s+/, $_, 2;
1825 2050
1839 # that depends on the exit object 2064 # that depends on the exit object
1840 2065
1841 my $rmp = parse_random_map_params $exit->msg; 2066 my $rmp = parse_random_map_params $exit->msg;
1842 2067
1843 if ($exit->map) { 2068 if ($exit->map) {
1844 $rmp->{region} = $exit->map->region_name; 2069 $rmp->{region} = $exit->region->name;
1845 $rmp->{origin_map} = $exit->map->path; 2070 $rmp->{origin_map} = $exit->map->path;
1846 $rmp->{origin_x} = $exit->x; 2071 $rmp->{origin_x} = $exit->x;
1847 $rmp->{origin_y} = $exit->y; 2072 $rmp->{origin_y} = $exit->y;
1848 } 2073 }
1849 2074
1850 $rmp->{random_seed} ||= $exit->random_seed; 2075 $rmp->{random_seed} ||= $exit->random_seed;
1851 2076
1852 my $data = cf::to_json $rmp; 2077 my $data = cf::to_json $rmp;
1853 my $md5 = Digest::MD5::md5_hex $data; 2078 my $md5 = Digest::MD5::md5_hex $data;
1854 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2079 my $meta = "$RANDOMDIR/$md5.meta";
1855 2080
1856 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2081 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1857 aio_write $fh, 0, (length $data), $data, 0; 2082 aio_write $fh, 0, (length $data), $data, 0;
1858 undef $fh; 2083 undef $fh;
1859 aio_rename "$meta~", $meta; 2084 aio_rename "$meta~", $meta;
1866sub cf::object::player::enter_exit { 2091sub cf::object::player::enter_exit {
1867 my ($self, $exit) = @_; 2092 my ($self, $exit) = @_;
1868 2093
1869 return unless $self->type == cf::PLAYER; 2094 return unless $self->type == cf::PLAYER;
1870 2095
2096 if ($exit->slaying eq "/!") {
2097 #TODO: this should de-fi-ni-te-ly not be a sync-job
2098 # the problem is that $exit might not survive long enough
2099 # so it needs to be done right now, right here
2100 cf::sync_job { prepare_random_map $exit };
2101 }
2102
2103 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2104 my $hp = $exit->stats->hp;
2105 my $sp = $exit->stats->sp;
2106
1871 $self->enter_link; 2107 $self->enter_link;
1872 2108
1873 (async { 2109 (async {
1874 $self->deactivate_recursive; # just to be sure 2110 $self->deactivate_recursive; # just to be sure
1875 unless (eval { 2111 unless (eval {
1876 prepare_random_map $exit 2112 $self->goto ($slaying, $hp, $sp);
1877 if $exit->slaying eq "/!";
1878
1879 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1880 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1881 2113
1882 1; 2114 1;
1883 }) { 2115 }) {
1884 $self->message ("Something went wrong deep within the crossfire server. " 2116 $self->message ("Something went wrong deep within the crossfire server. "
1885 . "I'll try to bring you back to the map you were before. " 2117 . "I'll try to bring you back to the map you were before. "
1886 . "Please report this to the dungeon master!", 2118 . "Please report this to the dungeon master!",
1887 cf::NDI_UNIQUE | cf::NDI_RED); 2119 cf::NDI_UNIQUE | cf::NDI_RED);
1888 2120
1889 warn "ERROR in enter_exit: $@"; 2121 warn "ERROR in enter_exit: $@";
1890 $self->leave_link; 2122 $self->leave_link;
1891 } 2123 }
1892 })->prio (1); 2124 })->prio (1);
1905 2137
1906sub cf::client::send_drawinfo { 2138sub cf::client::send_drawinfo {
1907 my ($self, $text, $flags) = @_; 2139 my ($self, $text, $flags) = @_;
1908 2140
1909 utf8::encode $text; 2141 utf8::encode $text;
1910 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2142 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1911} 2143}
1912 2144
2145=item $client->ext_event ($type, %msg)
2146
2147Sends an exti event to the client.
2148
2149=cut
2150
2151sub cf::client::ext_event($$%) {
2152 my ($self, $type, %msg) = @_;
2153
2154 $msg{msgtype} = "event_$type";
2155 $self->send_packet ("ext " . cf::to_json \%msg);
2156}
1913 2157
1914=item $success = $client->query ($flags, "text", \&cb) 2158=item $success = $client->query ($flags, "text", \&cb)
1915 2159
1916Queues a query to the client, calling the given callback with 2160Queues a query to the client, calling the given callback with
1917the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2161the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1946 # get handled first 2190 # get handled first
1947 my $queue = delete $ns->{query_queue} 2191 my $queue = delete $ns->{query_queue}
1948 or return; # be conservative, not sure how that can happen, but we saw a crash here 2192 or return; # be conservative, not sure how that can happen, but we saw a crash here
1949 2193
1950 (shift @$queue)->[1]->($msg); 2194 (shift @$queue)->[1]->($msg);
2195 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1951 2196
1952 push @{ $ns->{query_queue} }, @$queue; 2197 push @{ $ns->{query_queue} }, @$queue;
1953 2198
1954 if (@{ $ns->{query_queue} } == @$queue) { 2199 if (@{ $ns->{query_queue} } == @$queue) {
1955 if (@$queue) { 2200 if (@$queue) {
2013 2258
2014# here we export the classes and methods available to script code 2259# here we export the classes and methods available to script code
2015 2260
2016=pod 2261=pod
2017 2262
2018The following fucntions and emthods are available within a safe environment: 2263The following functions and methods are available within a safe environment:
2019 2264
2020 cf::object contr pay_amount pay_player map 2265 cf::object contr pay_amount pay_player map
2021 cf::object::player player 2266 cf::object::player player
2022 cf::player peaceful 2267 cf::player peaceful
2023 cf::map trigger 2268 cf::map trigger
2108############################################################################# 2353#############################################################################
2109 2354
2110=head2 EXTENSION DATABASE SUPPORT 2355=head2 EXTENSION DATABASE SUPPORT
2111 2356
2112Crossfire maintains a very simple database for extension use. It can 2357Crossfire maintains a very simple database for extension use. It can
2113currently store anything that can be serialised using Storable, which 2358currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2114excludes objects. 2359convert to/from binary).
2115 2360
2116The parameter C<$family> should best start with the name of the extension 2361The parameter C<$family> should best start with the name of the extension
2117using it, it should be unique. 2362using it, it should be unique.
2118 2363
2119=over 4 2364=over 4
2120 2365
2121=item $hashref = cf::db_get $family
2122
2123Return a hashref for use by the extension C<$family>, which can be
2124modified. After modifications, you have to call C<cf::db_dirty> or
2125C<cf::db_sync>.
2126
2127=item $value = cf::db_get $family => $key 2366=item $value = cf::db_get $family => $key
2128 2367
2129Returns a single value from the database 2368Returns a single value from the database.
2130
2131=item cf::db_put $family => $hashref
2132
2133Stores the given family hashref into the database. Updates are delayed, if
2134you want the data to be synced to disk immediately, use C<cf::db_sync>.
2135 2369
2136=item cf::db_put $family => $key => $value 2370=item cf::db_put $family => $key => $value
2137 2371
2138Stores the given C<$value> in the family hash. Updates are delayed, if you 2372Stores the given C<$value> in the family.
2139want the data to be synced to disk immediately, use C<cf::db_sync>.
2140
2141=item cf::db_dirty
2142
2143Marks the database as dirty, to be updated at a later time.
2144
2145=item cf::db_sync
2146
2147Immediately write the database to disk I<if it is dirty>.
2148 2373
2149=cut 2374=cut
2150 2375
2151our $DB; 2376our $DB;
2152 2377
2153{ 2378sub db_init {
2154 my $path = cf::localdir . "/database.pst"; 2379 unless ($DB) {
2380 $DB = BDB::db_create $DB_ENV;
2155 2381
2156 sub db_load() { 2382 cf::sync_job {
2157 $DB = stat $path ? Storable::retrieve $path : { }; 2383 eval {
2158 } 2384 $DB->set_flags (BDB::CHKSUM);
2159 2385
2160 my $pid; 2386 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2161 2387 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2162 sub db_save() { 2388 cf::cleanup "db_open(db): $!" if $!;
2163 waitpid $pid, 0 if $pid; 2389 };
2164 if (0 == ($pid = fork)) { 2390 cf::cleanup "db_open(db): $@" if $@;
2165 $DB->{_meta}{version} = 1;
2166 Storable::nstore $DB, "$path~";
2167 rename "$path~", $path;
2168 cf::_exit 0 if defined $pid;
2169 } 2391 };
2170 }
2171
2172 my $dirty;
2173
2174 sub db_sync() {
2175 db_save if $dirty;
2176 undef $dirty;
2177 }
2178
2179 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2180 db_sync;
2181 }); 2392 }
2393}
2182 2394
2183 sub db_dirty() {
2184 $dirty = 1;
2185 $idle->start;
2186 }
2187
2188 sub db_get($;$) { 2395sub db_get($$) {
2189 @_ >= 2 2396 my $key = "$_[0]/$_[1]";
2190 ? $DB->{$_[0]}{$_[1]}
2191 : ($DB->{$_[0]} ||= { })
2192 }
2193 2397
2398 cf::sync_job {
2399 BDB::db_get $DB, undef, $key, my $data;
2400
2401 $! ? ()
2402 : $data
2403 }
2404}
2405
2194 sub db_put($$;$) { 2406sub db_put($$$) {
2195 if (@_ >= 3) { 2407 BDB::dbreq_pri 4;
2196 $DB->{$_[0]}{$_[1]} = $_[2]; 2408 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2197 } else { 2409}
2198 $DB->{$_[0]} = $_[1];
2199 }
2200 db_dirty;
2201 }
2202 2410
2203 cf::global->attach ( 2411=item cf::cache $id => [$paths...], $processversion => $process
2204 prio => 10000, 2412
2205 on_cleanup => sub { 2413Generic caching function that returns the value of the resource $id,
2206 db_sync; 2414caching and regenerating as required.
2415
2416This function can block.
2417
2418=cut
2419
2420sub cache {
2421 my ($id, $src, $processversion, $process) = @_;
2422
2423 my $meta =
2424 join "\x00",
2425 $processversion,
2426 map {
2427 aio_stat $_
2428 and Carp::croak "$_: $!";
2429
2430 ($_, (stat _)[7,9])
2431 } @$src;
2432
2433 my $dbmeta = db_get cache => "$id/meta";
2434 if ($dbmeta ne $meta) {
2435 # changed, we may need to process
2436
2437 my @data;
2438 my $md5;
2439
2440 for (0 .. $#$src) {
2441 0 <= aio_load $src->[$_], $data[$_]
2442 or Carp::croak "$src->[$_]: $!";
2207 }, 2443 }
2208 ); 2444
2445 # if processing is expensive, check
2446 # checksum first
2447 if (1) {
2448 $md5 =
2449 join "\x00",
2450 $processversion,
2451 map {
2452 Coro::cede;
2453 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2454 } 0.. $#$src;
2455
2456
2457 my $dbmd5 = db_get cache => "$id/md5";
2458 if ($dbmd5 eq $md5) {
2459 db_put cache => "$id/meta", $meta;
2460
2461 return db_get cache => "$id/data";
2462 }
2463 }
2464
2465 my $t1 = Time::HiRes::time;
2466 my $data = $process->(\@data);
2467 my $t2 = Time::HiRes::time;
2468
2469 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2470
2471 db_put cache => "$id/data", $data;
2472 db_put cache => "$id/md5" , $md5;
2473 db_put cache => "$id/meta", $meta;
2474
2475 return $data;
2476 }
2477
2478 db_get cache => "$id/data"
2479}
2480
2481=item fork_call { }, $args
2482
2483Executes the given code block with the given arguments in a seperate
2484process, returning the results. Everything must be serialisable with
2485Coro::Storable. May, of course, block. Note that the executed sub may
2486never block itself or use any form of Event handling.
2487
2488=cut
2489
2490sub fork_call(&@) {
2491 my ($cb, @args) = @_;
2492
2493# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2494# or die "socketpair: $!";
2495 pipe my $fh1, my $fh2
2496 or die "pipe: $!";
2497
2498 if (my $pid = fork) {
2499 close $fh2;
2500
2501 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2502 $res = Coro::Storable::thaw $res;
2503
2504 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2505
2506 die $$res unless "ARRAY" eq ref $res;
2507
2508 return wantarray ? @$res : $res->[-1];
2509 } else {
2510 reset_signals;
2511 local $SIG{__WARN__};
2512 local $SIG{__DIE__};
2513 eval {
2514 close $fh1;
2515
2516 my @res = eval { $cb->(@args) };
2517 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2518 };
2519
2520 warn $@ if $@;
2521 _exit 0;
2522 }
2209} 2523}
2210 2524
2211############################################################################# 2525#############################################################################
2212# the server's main() 2526# the server's init and main functions
2527
2528sub load_facedata($) {
2529 my ($path) = @_;
2530
2531 warn "loading facedata from $path\n";
2532
2533 my $facedata;
2534 0 < aio_load $path, $facedata
2535 or die "$path: $!";
2536
2537 $facedata = Coro::Storable::thaw $facedata;
2538
2539 $facedata->{version} == 2
2540 or cf::cleanup "$path: version mismatch, cannot proceed.";
2541
2542 {
2543 my $faces = $facedata->{faceinfo};
2544
2545 while (my ($face, $info) = each %$faces) {
2546 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2547 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2548 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2549 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2550 Coro::cede;
2551 }
2552
2553 while (my ($face, $info) = each %$faces) {
2554 next unless $info->{smooth};
2555 my $idx = cf::face::find $face
2556 or next;
2557 if (my $smooth = cf::face::find $info->{smooth}) {
2558 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2559 } else {
2560 warn "smooth face '$info->{smooth}' not found for face '$face'";
2561 }
2562 Coro::cede;
2563 }
2564 }
2565
2566 {
2567 my $anims = $facedata->{animinfo};
2568
2569 while (my ($anim, $info) = each %$anims) {
2570 cf::anim::set $anim, $info->{frames}, $info->{facings};
2571 Coro::cede;
2572 }
2573
2574 cf::anim::invalidate_all; # d'oh
2575 }
2576
2577 1
2578}
2579
2580sub reload_regions {
2581 load_resource_file "$MAPDIR/regions"
2582 or die "unable to load regions file\n";
2583}
2584
2585sub reload_facedata {
2586 load_facedata "$DATADIR/facedata"
2587 or die "unable to load facedata\n";
2588}
2589
2590sub reload_archetypes {
2591 load_resource_file "$DATADIR/archetypes"
2592 or die "unable to load archetypes\n";
2593}
2594
2595sub reload_treasures {
2596 load_resource_file "$DATADIR/treasures"
2597 or die "unable to load treasurelists\n";
2598}
2599
2600sub reload_resources {
2601 warn "reloading resource files...\n";
2602
2603 reload_regions;
2604 reload_facedata;
2605 #reload_archetypes;#d#
2606 reload_archetypes;
2607 reload_treasures;
2608
2609 warn "finished reloading resource files\n";
2610}
2611
2612sub init {
2613 reload_resources;
2614}
2213 2615
2214sub cfg_load { 2616sub cfg_load {
2215 open my $fh, "<:utf8", cf::confdir . "/config" 2617 open my $fh, "<:utf8", "$CONFDIR/config"
2216 or return; 2618 or return;
2217 2619
2218 local $/; 2620 local $/;
2219 *CFG = YAML::Syck::Load <$fh>; 2621 *CFG = YAML::Syck::Load <$fh>;
2220 2622
2240 Event::one_event; 2642 Event::one_event;
2241 })->prio (Coro::PRIO_MAX); 2643 })->prio (Coro::PRIO_MAX);
2242 }; 2644 };
2243 2645
2244 cfg_load; 2646 cfg_load;
2245 db_load; 2647 db_init;
2246 load_extensions; 2648 load_extensions;
2649
2650 $TICK_WATCHER->start;
2247 Event::loop; 2651 Event::loop;
2248} 2652}
2249 2653
2250############################################################################# 2654#############################################################################
2251# initialisation and cleanup 2655# initialisation and cleanup
2252 2656
2253# install some emergency cleanup handlers 2657# install some emergency cleanup handlers
2254BEGIN { 2658BEGIN {
2255 for my $signal (qw(INT HUP TERM)) { 2659 for my $signal (qw(INT HUP TERM)) {
2256 Event->signal ( 2660 Event->signal (
2661 reentrant => 0,
2257 data => WF_AUTOCANCEL, 2662 data => WF_AUTOCANCEL,
2258 signal => $signal, 2663 signal => $signal,
2664 prio => 0,
2259 cb => sub { 2665 cb => sub {
2260 cf::cleanup "SIG$signal"; 2666 cf::cleanup "SIG$signal";
2261 }, 2667 },
2262 ); 2668 );
2263 } 2669 }
2264} 2670}
2285 my $map = $cf::MAP{$path} or next; 2691 my $map = $cf::MAP{$path} or next;
2286 $map->valid or next; 2692 $map->valid or next;
2287 $map->save; 2693 $map->save;
2288 } 2694 }
2289 warn "end emergency map save\n"; 2695 warn "end emergency map save\n";
2696
2697 warn "begin emergency database checkpoint\n";
2698 BDB::db_env_txn_checkpoint $DB_ENV;
2699 warn "end emergency database checkpoint\n";
2290 }; 2700 };
2291 2701
2292 warn "leave emergency perl save\n"; 2702 warn "leave emergency perl save\n";
2293} 2703}
2294 2704
2705sub post_cleanup {
2706 my ($make_core) = @_;
2707
2708 warn Carp::longmess "post_cleanup backtrace"
2709 if $make_core;
2710}
2711
2295sub reload() { 2712sub do_reload_perl() {
2296 # can/must only be called in main 2713 # can/must only be called in main
2297 if ($Coro::current != $Coro::main) { 2714 if ($Coro::current != $Coro::main) {
2298 warn "can only reload from main coroutine\n"; 2715 warn "can only reload from main coroutine";
2299 return; 2716 return;
2300 } 2717 }
2301 2718
2302 warn "reloading..."; 2719 warn "reloading...";
2303 2720
2304 warn "freezing server"; 2721 warn "entering sync_job";
2305 my $guard = freeze_mainloop; 2722
2723 cf::sync_job {
2724 cf::write_runtime; # external watchdog should not bark
2306 cf::emergency_save; 2725 cf::emergency_save;
2726 cf::write_runtime; # external watchdog should not bark
2307 2727
2308 warn "sync database to disk"; 2728 warn "syncing database to disk";
2309 cf::db_sync; 2729 BDB::db_env_txn_checkpoint $DB_ENV;
2310 IO::AIO::flush;
2311 2730
2312 eval {
2313 # if anything goes wrong in here, we should simply crash as we already saved 2731 # if anything goes wrong in here, we should simply crash as we already saved
2314 2732
2315 warn "cancel all watchers"; 2733 warn "cancelling all WF_AUTOCANCEL watchers";
2316 for (Event::all_watchers) { 2734 for (Event::all_watchers) {
2317 $_->cancel if $_->data & WF_AUTOCANCEL; 2735 $_->cancel if $_->data & WF_AUTOCANCEL;
2318 } 2736 }
2319 2737
2738 warn "flushing outstanding aio requests";
2739 for (;;) {
2740 BDB::flush;
2741 IO::AIO::flush;
2742 Coro::cede;
2743 last unless IO::AIO::nreqs || BDB::nreqs;
2744 warn "iterate...";
2745 }
2746
2747 ++$RELOAD;
2748
2320 warn "cancel all extension coros"; 2749 warn "cancelling all extension coros";
2321 $_->cancel for values %EXT_CORO; 2750 $_->cancel for values %EXT_CORO;
2322 %EXT_CORO = (); 2751 %EXT_CORO = ();
2323 2752
2324 warn "remove commands"; 2753 warn "removing commands";
2325 %COMMAND = (); 2754 %COMMAND = ();
2326 2755
2327 warn "remove ext commands"; 2756 warn "removing ext commands";
2328 %EXTCMD = (); 2757 %EXTCMD = ();
2329 2758
2330 warn "unload/nuke all extensions"; 2759 warn "unloading/nuking all extensions";
2331 for my $pkg (@EXTS) { 2760 for my $pkg (@EXTS) {
2332 warn "... unloading $pkg"; 2761 warn "... unloading $pkg";
2333 2762
2334 if (my $cb = $pkg->can ("unload")) { 2763 if (my $cb = $pkg->can ("unload")) {
2335 eval { 2764 eval {
2340 2769
2341 warn "... nuking $pkg"; 2770 warn "... nuking $pkg";
2342 Symbol::delete_package $pkg; 2771 Symbol::delete_package $pkg;
2343 } 2772 }
2344 2773
2345 warn "unload all perl modules loaded from $LIBDIR"; 2774 warn "unloading all perl modules loaded from $LIBDIR";
2346 while (my ($k, $v) = each %INC) { 2775 while (my ($k, $v) = each %INC) {
2347 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2776 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2348 2777
2349 warn "removing <$k>"; 2778 warn "... unloading $k";
2350 delete $INC{$k}; 2779 delete $INC{$k};
2351 2780
2352 $k =~ s/\.pm$//; 2781 $k =~ s/\.pm$//;
2353 $k =~ s/\//::/g; 2782 $k =~ s/\//::/g;
2354 2783
2357 } 2786 }
2358 2787
2359 Symbol::delete_package $k; 2788 Symbol::delete_package $k;
2360 } 2789 }
2361 2790
2362 warn "get rid of safe::, as good as possible"; 2791 warn "getting rid of safe::, as good as possible";
2363 Symbol::delete_package "safe::$_" 2792 Symbol::delete_package "safe::$_"
2364 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2793 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2365 2794
2366 warn "unload cf.pm \"a bit\""; 2795 warn "unloading cf.pm \"a bit\"";
2367 delete $INC{"cf.pm"}; 2796 delete $INC{"cf.pm"};
2797 delete $INC{"cf/pod.pm"};
2368 2798
2369 # don't, removes xs symbols, too, 2799 # don't, removes xs symbols, too,
2370 # and global variables created in xs 2800 # and global variables created in xs
2371 #Symbol::delete_package __PACKAGE__; 2801 #Symbol::delete_package __PACKAGE__;
2372 2802
2803 warn "unload completed, starting to reload now";
2804
2373 warn "reloading cf.pm"; 2805 warn "reloading cf.pm";
2374 require cf; 2806 require cf;
2375 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2807 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2376 2808
2377 warn "load config and database again"; 2809 warn "loading config and database again";
2378 cf::cfg_load; 2810 cf::cfg_load;
2379 cf::db_load;
2380 2811
2381 warn "load extensions"; 2812 warn "loading extensions";
2382 cf::load_extensions; 2813 cf::load_extensions;
2383 2814
2384 warn "reattach attachments to objects/players"; 2815 warn "reattaching attachments to objects/players";
2385 _global_reattach; 2816 _global_reattach; # objects, sockets
2386 warn "reattach attachments to maps"; 2817 warn "reattaching attachments to maps";
2387 reattach $_ for values %MAP; 2818 reattach $_ for values %MAP;
2388 }; 2819 warn "reattaching attachments to players";
2820 reattach $_ for values %PLAYER;
2389 2821
2390 if ($@) { 2822 warn "leaving sync_job";
2823
2824 1
2825 } or do {
2391 warn $@; 2826 warn $@;
2392 warn "error while reloading, exiting."; 2827 warn "error while reloading, exiting.";
2393 exit 1; 2828 exit 1;
2394 } 2829 };
2395 2830
2396 warn "reloaded"; 2831 warn "reloaded";
2397}; 2832};
2398 2833
2399our $RELOAD_WATCHER; # used only during reload 2834our $RELOAD_WATCHER; # used only during reload
2400 2835
2836sub reload_perl() {
2837 # doing reload synchronously and two reloads happen back-to-back,
2838 # coro crashes during coro_state_free->destroy here.
2839
2840 $RELOAD_WATCHER ||= Event->timer (
2841 reentrant => 0,
2842 after => 0,
2843 data => WF_AUTOCANCEL,
2844 cb => sub {
2845 do_reload_perl;
2846 undef $RELOAD_WATCHER;
2847 },
2848 );
2849}
2850
2401register_command "reload" => sub { 2851register_command "reload" => sub {
2402 my ($who, $arg) = @_; 2852 my ($who, $arg) = @_;
2403 2853
2404 if ($who->flag (FLAG_WIZ)) { 2854 if ($who->flag (FLAG_WIZ)) {
2405 $who->message ("reloading server."); 2855 $who->message ("reloading server.");
2406 2856 async { reload_perl };
2407 # doing reload synchronously and two reloads happen back-to-back,
2408 # coro crashes during coro_state_free->destroy here.
2409
2410 $RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2411 reload;
2412 undef $RELOAD_WATCHER;
2413 });
2414 } 2857 }
2415}; 2858};
2416 2859
2417unshift @INC, $LIBDIR; 2860unshift @INC, $LIBDIR;
2418 2861
2862my $bug_warning = 0;
2863
2864our @WAIT_FOR_TICK;
2865our @WAIT_FOR_TICK_BEGIN;
2866
2867sub wait_for_tick {
2868 return unless $TICK_WATCHER->is_active;
2869 return if $Coro::current == $Coro::main;
2870
2871 my $signal = new Coro::Signal;
2872 push @WAIT_FOR_TICK, $signal;
2873 $signal->wait;
2874}
2875
2876sub wait_for_tick_begin {
2877 return unless $TICK_WATCHER->is_active;
2878 return if $Coro::current == $Coro::main;
2879
2880 my $signal = new Coro::Signal;
2881 push @WAIT_FOR_TICK_BEGIN, $signal;
2882 $signal->wait;
2883}
2884
2885 my $min = 1e6;#d#
2886 my $avg = 10;
2419$TICK_WATCHER = Event->timer ( 2887$TICK_WATCHER = Event->timer (
2420 reentrant => 0, 2888 reentrant => 0,
2889 parked => 1,
2421 prio => 0, 2890 prio => 0,
2422 at => $NEXT_TICK || $TICK, 2891 at => $NEXT_TICK || $TICK,
2423 data => WF_AUTOCANCEL, 2892 data => WF_AUTOCANCEL,
2424 cb => sub { 2893 cb => sub {
2894 if ($Coro::current != $Coro::main) {
2895 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2896 unless ++$bug_warning > 10;
2897 return;
2898 }
2899
2425 $NOW = Event::time; 2900 $NOW = $tick_start = Event::time;
2426 2901
2427 cf::server_tick; # one server iteration 2902 cf::server_tick; # one server iteration
2903
2904 0 && sync_job {#d#
2905 for(1..10) {
2906 my $t = Event::time;
2907 my $map = my $map = new_from_path cf::map "/tmp/x.map"
2908 or die;
2909
2910 $map->width (50);
2911 $map->height (50);
2912 $map->alloc;
2913 $map->_load_objects ("/tmp/x.map", 1);
2914 my $t = Event::time - $t;
2915
2916 #next unless $t < 0.0013;#d#
2917 if ($t < $min) {
2918 $min = $t;
2919 }
2920 $avg = $avg * 0.99 + $t * 0.01;
2921 }
2922 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2923 exit 0;
2924 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2925 };
2926
2428 $RUNTIME += $TICK; 2927 $RUNTIME += $TICK;
2429 $NEXT_TICK += $TICK; 2928 $NEXT_TICK += $TICK;
2430 2929
2431 $WAIT_FOR_TICK->broadcast; 2930 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2432 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2931 $NEXT_RUNTIME_WRITE = $NOW + 10;
2932 Coro::async_pool {
2933 write_runtime
2934 or warn "ERROR: unable to write runtime file: $!";
2935 };
2936 }
2937
2938# my $AFTER = Event::time;
2939# warn $AFTER - $NOW;#d#
2940
2941 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2942 $sig->send;
2943 }
2944 while (my $sig = shift @WAIT_FOR_TICK) {
2945 $sig->send;
2946 }
2947
2948 $NOW = Event::time;
2433 2949
2434 # if we are delayed by four ticks or more, skip them all 2950 # if we are delayed by four ticks or more, skip them all
2435 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2951 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2436 2952
2437 $TICK_WATCHER->at ($NEXT_TICK); 2953 $TICK_WATCHER->at ($NEXT_TICK);
2438 $TICK_WATCHER->start; 2954 $TICK_WATCHER->start;
2955
2956 $LOAD = ($NOW - $tick_start) / $TICK;
2957 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2958
2959 _post_tick;
2960
2961
2439 }, 2962 },
2440); 2963);
2441 2964
2965{
2966 BDB::max_poll_time $TICK * 0.1;
2967 $BDB_POLL_WATCHER = Event->io (
2968 reentrant => 0,
2969 fd => BDB::poll_fileno,
2970 poll => 'r',
2971 prio => 0,
2972 data => WF_AUTOCANCEL,
2973 cb => \&BDB::poll_cb,
2974 );
2975 BDB::min_parallel 8;
2976
2977 BDB::set_sync_prepare {
2978 my $status;
2979 my $current = $Coro::current;
2980 (
2981 sub {
2982 $status = $!;
2983 $current->ready; undef $current;
2984 },
2985 sub {
2986 Coro::schedule while defined $current;
2987 $! = $status;
2988 },
2989 )
2990 };
2991
2992 unless ($DB_ENV) {
2993 $DB_ENV = BDB::db_env_create;
2994
2995 cf::sync_job {
2996 eval {
2997 BDB::db_env_open
2998 $DB_ENV,
2999 $BDBDIR,
3000 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3001 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3002 0666;
3003
3004 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3005
3006 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3007 $DB_ENV->set_lk_detect;
3008 };
3009
3010 cf::cleanup "db_env_open(db): $@" if $@;
3011 };
3012 }
3013}
3014
3015{
3016 IO::AIO::min_parallel 8;
3017
3018 undef $Coro::AIO::WATCHER;
2442IO::AIO::max_poll_time $TICK * 0.2; 3019 IO::AIO::max_poll_time $TICK * 0.1;
2443
2444$AIO_POLL_WATCHER = Event->io ( 3020 $AIO_POLL_WATCHER = Event->io (
2445 fd => IO::AIO::poll_fileno, 3021 reentrant => 0,
2446 poll => 'r',
2447 prio => 5,
2448 data => WF_AUTOCANCEL,
2449 cb => \&IO::AIO::poll_cb,
2450);
2451
2452$WRITE_RUNTIME_WATCHER = Event->timer (
2453 data => WF_AUTOCANCEL, 3022 data => WF_AUTOCANCEL,
2454 after => 0, 3023 fd => IO::AIO::poll_fileno,
2455 interval => 10, 3024 poll => 'r',
2456 cb => sub { 3025 prio => 6,
2457 (Coro::unblock_sub { 3026 cb => \&IO::AIO::poll_cb,
2458 write_runtime 3027 );
2459 or warn "ERROR: unable to write runtime file: $!"; 3028}
3029
3030my $_log_backtrace;
3031
3032sub _log_backtrace {
3033 my ($msg, @addr) = @_;
3034
3035 $msg =~ s/\n//;
3036
3037 # limit the # of concurrent backtraces
3038 if ($_log_backtrace < 2) {
3039 ++$_log_backtrace;
3040 async {
3041 my @bt = fork_call {
3042 @addr = map { sprintf "%x", $_ } @addr;
3043 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3044 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3045 or die "addr2line: $!";
3046
3047 my @funcs;
3048 my @res = <$fh>;
3049 chomp for @res;
3050 while (@res) {
3051 my ($func, $line) = splice @res, 0, 2, ();
3052 push @funcs, "[$func] $line";
3053 }
3054
3055 @funcs
3056 };
3057
3058 LOG llevInfo, "[ABT] $msg\n";
3059 LOG llevInfo, "[ABT] $_\n" for @bt;
3060 --$_log_backtrace;
2460 })->(); 3061 };
3062 } else {
3063 LOG llevInfo, "[ABT] $msg\n";
3064 LOG llevInfo, "[ABT] [suppressed]\n";
2461 }, 3065 }
2462); 3066}
3067
3068# load additional modules
3069use cf::pod;
2463 3070
2464END { cf::emergency_save } 3071END { cf::emergency_save }
2465 3072
24661 30731
2467 3074

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