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package cf; |
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use utf8; |
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use strict; |
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use Symbol; |
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use List::Util; |
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use Storable; |
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use Opcode; |
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use Safe; |
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use Safe::Hole; |
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use Coro 3.4 (); |
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use Coro::Event; |
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use Coro::Timer; |
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use Coro::Signal; |
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use Coro::Semaphore; |
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use Coro::AIO; |
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use Data::Dumper; |
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use Digest::MD5; |
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use Fcntl; |
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use IO::AIO 2.32 (); |
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use YAML::Syck (); |
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use Time::HiRes; |
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use Event; $Event::Eval = 1; # no idea why this is required, but it is |
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sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload |
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# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? |
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$YAML::Syck::ImplicitUnicode = 1; |
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$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority |
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our %COMMAND = (); |
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our %COMMAND_TIME = (); |
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our @EXTS = (); # list of extension package names |
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our %EXTCMD = (); |
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our %EXT_CORO = (); # coroutines bound to extensions |
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our %EXT_MAP = (); # pluggable maps |
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our @EVENT; |
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our $LIBDIR = datadir . "/ext"; |
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our $TICK = MAX_TIME * 1e-6; |
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our $TICK_WATCHER; |
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our $AIO_POLL_WATCHER; |
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our $WRITE_RUNTIME_WATCHER; |
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our $NEXT_TICK; |
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our $NOW; |
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our %CFG; |
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our $UPTIME; $UPTIME ||= time; |
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our $RUNTIME; |
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our %PLAYER; # all users |
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our %MAP; # all maps |
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our $LINK_MAP; # the special {link} map, which is always available |
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our $RANDOM_MAPS = cf::localdir . "/random"; |
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our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; |
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our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; |
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# used to convert map paths into valid unix filenames by replacing / by ∕ |
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our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons |
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binmode STDOUT; |
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binmode STDERR; |
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# read virtual server time, if available |
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unless ($RUNTIME || !-e cf::localdir . "/runtime") { |
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open my $fh, "<", cf::localdir . "/runtime" |
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or die "unable to read runtime file: $!"; |
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$RUNTIME = <$fh> + 0.; |
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} |
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mkdir cf::localdir; |
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mkdir cf::localdir . "/" . cf::playerdir; |
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mkdir cf::localdir . "/" . cf::tmpdir; |
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mkdir cf::localdir . "/" . cf::uniquedir; |
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mkdir $RANDOM_MAPS; |
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|
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our $EMERGENCY_POSITION; |
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############################################################################# |
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=head2 GLOBAL VARIABLES |
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=over 4 |
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=item $cf::UPTIME |
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The timestamp of the server start (so not actually an uptime). |
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=item $cf::RUNTIME |
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The time this server has run, starts at 0 and is increased by $cf::TICK on |
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every server tick. |
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=item $cf::LIBDIR |
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The perl library directory, where extensions and cf-specific modules can |
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be found. It will be added to C<@INC> automatically. |
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=item $cf::NOW |
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The time of the last (current) server tick. |
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=item $cf::TICK |
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The interval between server ticks, in seconds. |
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=item %cf::CFG |
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Configuration for the server, loaded from C</etc/crossfire/config>, or |
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from wherever your confdir points to. |
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=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE |
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These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) |
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or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick |
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processing has been done. Call C<< ->wait >> on them to maximise the |
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window of cpu time available, or simply to synchronise to the server tick. |
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=back |
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=cut |
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BEGIN { |
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*CORE::GLOBAL::warn = sub { |
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my $msg = join "", @_; |
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utf8::encode $msg; |
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$msg .= "\n" |
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unless $msg =~ /\n$/; |
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LOG llevError, $msg; |
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}; |
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} |
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@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; |
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@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; |
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@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; |
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@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; |
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@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; |
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@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
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|
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# we bless all objects into (empty) derived classes to force a method lookup |
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# within the Safe compartment. |
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for my $pkg (qw( |
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cf::global cf::attachable |
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cf::object cf::object::player |
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cf::client cf::player |
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cf::arch cf::living |
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cf::map cf::party cf::region |
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)) { |
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no strict 'refs'; |
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@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
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} |
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$Event::DIED = sub { |
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warn "error in event callback: @_"; |
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}; |
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=head2 UTILITY FUNCTIONS |
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=over 4 |
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=item dumpval $ref |
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=cut |
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sub dumpval { |
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eval { |
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local $SIG{__DIE__}; |
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my $d; |
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if (1) { |
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$d = new Data::Dumper([$_[0]], ["*var"]); |
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$d->Terse(1); |
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$d->Indent(2); |
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$d->Quotekeys(0); |
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$d->Useqq(1); |
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#$d->Bless(...); |
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$d->Seen($_[1]) if @_ > 1; |
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$d = $d->Dump(); |
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} |
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$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; |
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$d |
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} || "[unable to dump $_[0]: '$@']"; |
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} |
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use JSON::Syck (); # TODO# replace by JSON::PC once working |
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|
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=item $ref = cf::from_json $json |
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Converts a JSON string into the corresponding perl data structure. |
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=cut |
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sub from_json($) { |
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$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs |
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JSON::Syck::Load $_[0] |
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} |
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=item $json = cf::to_json $ref |
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Converts a perl data structure into its JSON representation. |
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=cut |
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sub to_json($) { |
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$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
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JSON::Syck::Dump $_[0] |
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} |
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=item cf::lock_wait $string |
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Wait until the given lock is available. See cf::lock_acquire. |
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=item my $lock = cf::lock_acquire $string |
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Wait until the given lock is available and then acquires it and returns |
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a Coro::guard object. If the guard object gets destroyed (goes out of scope, |
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for example when the coroutine gets canceled), the lock is automatically |
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returned. |
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Lock names should begin with a unique identifier (for example, cf::map::find |
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uses map_find and cf::map::load uses map_load). |
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=cut |
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our %LOCK; |
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sub lock_wait($) { |
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my ($key) = @_; |
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# wait for lock, if any |
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while ($LOCK{$key}) { |
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push @{ $LOCK{$key} }, $Coro::current; |
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Coro::schedule; |
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} |
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} |
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sub lock_acquire($) { |
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my ($key) = @_; |
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# wait, to be sure we are not locked |
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lock_wait $key; |
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$LOCK{$key} = []; |
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Coro::guard { |
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# wake up all waiters, to be on the safe side |
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$_->ready for @{ delete $LOCK{$key} }; |
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} |
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} |
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sub freeze_mainloop { |
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return unless $TICK_WATCHER->is_active; |
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my $guard = Coro::guard { |
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$TICK_WATCHER->start; |
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$WRITE_RUNTIME_WATCHER->start; |
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}; |
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$WRITE_RUNTIME_WATCHER->stop; |
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$TICK_WATCHER->stop; |
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$guard |
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} |
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=item cf::async { BLOCK } |
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Currently the same as Coro::async_pool, meaning you cannot use |
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C<on_destroy>, C<join> or other gimmicks on these coroutines. The only |
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thing you are allowed to do is call C<prio> on it. |
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=cut |
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BEGIN { *async = \&Coro::async_pool } |
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=item cf::sync_job { BLOCK } |
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The design of crossfire+ requires that the main coro ($Coro::main) is |
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always able to handle events or runnable, as crossfire+ is only partly |
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reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. |
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If it must be done, put the blocking parts into C<sync_job>. This will run |
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the given BLOCK in another coroutine while waiting for the result. The |
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server will be frozen during this time, so the block should either finish |
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fast or be very important. |
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=cut |
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sub sync_job(&) { |
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my ($job) = @_; |
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if ($Coro::current == $Coro::main) { |
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# this is the main coro, too bad, we have to block |
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# till the operation succeeds, freezing the server :/ |
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# TODO: use suspend/resume instead |
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# (but this is cancel-safe) |
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my $freeze_guard = freeze_mainloop; |
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my $busy = 1; |
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my @res; |
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(async { |
311 |
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@res = eval { $job->() }; |
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warn $@ if $@; |
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undef $busy; |
314 |
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})->prio (Coro::PRIO_MAX); |
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1.105 |
while ($busy) { |
317 |
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Coro::cede or Event::one_event; |
318 |
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} |
319 |
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wantarray ? @res : $res[0] |
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} else { |
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# we are in another coroutine, how wonderful, everything just works |
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$job->() |
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} |
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} |
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1.140 |
=item $coro = cf::async_ext { BLOCK } |
329 |
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1.103 |
|
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1.159 |
Like async, but this coro is automatically being canceled when the |
331 |
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1.140 |
extension calling this is being unloaded. |
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|
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=cut |
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1.140 |
sub async_ext(&) { |
336 |
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1.103 |
my $cb = shift; |
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338 |
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my $coro = &Coro::async ($cb); |
339 |
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1.103 |
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$coro->on_destroy (sub { |
341 |
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delete $EXT_CORO{$coro+0}; |
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}); |
343 |
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$EXT_CORO{$coro+0} = $coro; |
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$coro |
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} |
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1.108 |
sub write_runtime { |
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my $runtime = cf::localdir . "/runtime"; |
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my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 |
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or return; |
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my $value = $cf::RUNTIME + 90 + 10; |
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# 10 is the runtime save interval, for a monotonic clock |
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# 60 allows for the watchdog to kill the server. |
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(aio_write $fh, 0, (length $value), $value, 0) <= 0 |
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and return; |
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aio_fsync $fh |
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and return; |
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close $fh |
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or return; |
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aio_rename "$runtime~", $runtime |
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and return; |
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1 |
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} |
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1.70 |
=back |
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1.71 |
=cut |
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root |
1.44 |
############################################################################# |
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root |
1.39 |
|
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root |
1.93 |
=head2 ATTACHABLE OBJECTS |
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|
381 |
root |
1.94 |
Many objects in crossfire are so-called attachable objects. That means you can |
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attach callbacks/event handlers (a collection of which is called an "attachment") |
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to it. All such attachable objects support the following methods. |
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In the following description, CLASS can be any of C<global>, C<object> |
386 |
|
|
C<player>, C<client> or C<map> (i.e. the attachable objects in |
387 |
|
|
crossfire+). |
388 |
root |
1.55 |
|
389 |
|
|
=over 4 |
390 |
|
|
|
391 |
root |
1.94 |
=item $attachable->attach ($attachment, key => $value...) |
392 |
|
|
|
393 |
|
|
=item $attachable->detach ($attachment) |
394 |
|
|
|
395 |
|
|
Attach/detach a pre-registered attachment to a specific object and give it |
396 |
|
|
the specified key/value pairs as arguments. |
397 |
|
|
|
398 |
|
|
Example, attach a minesweeper attachment to the given object, making it a |
399 |
|
|
10x10 minesweeper game: |
400 |
root |
1.46 |
|
401 |
root |
1.94 |
$obj->attach (minesweeper => width => 10, height => 10); |
402 |
root |
1.53 |
|
403 |
root |
1.93 |
=item $bool = $attachable->attached ($name) |
404 |
root |
1.46 |
|
405 |
root |
1.93 |
Checks wether the named attachment is currently attached to the object. |
406 |
root |
1.46 |
|
407 |
root |
1.94 |
=item cf::CLASS->attach ... |
408 |
root |
1.46 |
|
409 |
root |
1.94 |
=item cf::CLASS->detach ... |
410 |
root |
1.92 |
|
411 |
root |
1.94 |
Define an anonymous attachment and attach it to all objects of the given |
412 |
|
|
CLASS. See the next function for an explanation of its arguments. |
413 |
root |
1.92 |
|
414 |
root |
1.93 |
You can attach to global events by using the C<cf::global> class. |
415 |
root |
1.92 |
|
416 |
root |
1.94 |
Example, log all player logins: |
417 |
|
|
|
418 |
|
|
cf::player->attach ( |
419 |
|
|
on_login => sub { |
420 |
|
|
my ($pl) = @_; |
421 |
|
|
... |
422 |
|
|
}, |
423 |
|
|
); |
424 |
|
|
|
425 |
|
|
Example, attach to the jeweler skill: |
426 |
|
|
|
427 |
|
|
cf::object->attach ( |
428 |
|
|
type => cf::SKILL, |
429 |
|
|
subtype => cf::SK_JEWELER, |
430 |
|
|
on_use_skill => sub { |
431 |
|
|
my ($sk, $ob, $part, $dir, $msg) = @_; |
432 |
|
|
... |
433 |
|
|
}, |
434 |
|
|
); |
435 |
|
|
|
436 |
|
|
=item cf::CLASS::attachment $name, ... |
437 |
|
|
|
438 |
|
|
Register an attachment by C<$name> through which attachable objects of the |
439 |
|
|
given CLASS can refer to this attachment. |
440 |
|
|
|
441 |
|
|
Some classes such as crossfire maps and objects can specify attachments |
442 |
|
|
that are attached at load/instantiate time, thus the need for a name. |
443 |
|
|
|
444 |
|
|
These calls expect any number of the following handler/hook descriptions: |
445 |
root |
1.46 |
|
446 |
|
|
=over 4 |
447 |
|
|
|
448 |
|
|
=item prio => $number |
449 |
|
|
|
450 |
|
|
Set the priority for all following handlers/hooks (unless overwritten |
451 |
|
|
by another C<prio> setting). Lower priority handlers get executed |
452 |
|
|
earlier. The default priority is C<0>, and many built-in handlers are |
453 |
|
|
registered at priority C<-1000>, so lower priorities should not be used |
454 |
|
|
unless you know what you are doing. |
455 |
|
|
|
456 |
root |
1.93 |
=item type => $type |
457 |
|
|
|
458 |
|
|
(Only for C<< cf::object->attach >> calls), limits the attachment to the |
459 |
|
|
given type of objects only (the additional parameter C<subtype> can be |
460 |
|
|
used to further limit to the given subtype). |
461 |
|
|
|
462 |
root |
1.46 |
=item on_I<event> => \&cb |
463 |
|
|
|
464 |
|
|
Call the given code reference whenever the named event happens (event is |
465 |
|
|
something like C<instantiate>, C<apply>, C<use_skill> and so on, and which |
466 |
|
|
handlers are recognised generally depends on the type of object these |
467 |
|
|
handlers attach to). |
468 |
|
|
|
469 |
|
|
See F<include/eventinc.h> for the full list of events supported, and their |
470 |
|
|
class. |
471 |
|
|
|
472 |
|
|
=item package => package:: |
473 |
|
|
|
474 |
|
|
Look for sub functions of the name C<< on_I<event> >> in the given |
475 |
|
|
package and register them. Only handlers for eevents supported by the |
476 |
|
|
object/class are recognised. |
477 |
|
|
|
478 |
|
|
=back |
479 |
|
|
|
480 |
root |
1.94 |
Example, define an attachment called "sockpuppet" that calls the given |
481 |
|
|
event handler when a monster attacks: |
482 |
|
|
|
483 |
|
|
cf::object::attachment sockpuppet => |
484 |
|
|
on_skill_attack => sub { |
485 |
|
|
my ($self, $victim) = @_; |
486 |
|
|
... |
487 |
|
|
} |
488 |
|
|
} |
489 |
|
|
|
490 |
root |
1.96 |
=item $attachable->valid |
491 |
|
|
|
492 |
|
|
Just because you have a perl object does not mean that the corresponding |
493 |
|
|
C-level object still exists. If you try to access an object that has no |
494 |
|
|
valid C counterpart anymore you get an exception at runtime. This method |
495 |
|
|
can be used to test for existence of the C object part without causing an |
496 |
|
|
exception. |
497 |
|
|
|
498 |
root |
1.39 |
=cut |
499 |
|
|
|
500 |
root |
1.40 |
# the following variables are defined in .xs and must not be re-created |
501 |
root |
1.100 |
our @CB_GLOBAL = (); # registry for all global events |
502 |
|
|
our @CB_ATTACHABLE = (); # registry for all attachables |
503 |
|
|
our @CB_OBJECT = (); # all objects (should not be used except in emergency) |
504 |
|
|
our @CB_PLAYER = (); |
505 |
|
|
our @CB_CLIENT = (); |
506 |
|
|
our @CB_TYPE = (); # registry for type (cf-object class) based events |
507 |
|
|
our @CB_MAP = (); |
508 |
root |
1.39 |
|
509 |
root |
1.45 |
my %attachment; |
510 |
|
|
|
511 |
root |
1.170 |
sub cf::attachable::thawer_merge { |
512 |
|
|
# simply override everything except _meta |
513 |
|
|
local $_[0]{_meta}; |
514 |
|
|
%{$_[0]} = %{$_[1]}; |
515 |
|
|
} |
516 |
|
|
|
517 |
root |
1.93 |
sub _attach_cb($$$$) { |
518 |
|
|
my ($registry, $event, $prio, $cb) = @_; |
519 |
root |
1.39 |
|
520 |
|
|
use sort 'stable'; |
521 |
|
|
|
522 |
|
|
$cb = [$prio, $cb]; |
523 |
|
|
|
524 |
|
|
@{$registry->[$event]} = sort |
525 |
|
|
{ $a->[0] cmp $b->[0] } |
526 |
|
|
@{$registry->[$event] || []}, $cb; |
527 |
|
|
} |
528 |
|
|
|
529 |
root |
1.100 |
# hack |
530 |
|
|
my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP; |
531 |
|
|
|
532 |
root |
1.39 |
# attach handles attaching event callbacks |
533 |
|
|
# the only thing the caller has to do is pass the correct |
534 |
|
|
# registry (== where the callback attaches to). |
535 |
root |
1.93 |
sub _attach { |
536 |
root |
1.45 |
my ($registry, $klass, @arg) = @_; |
537 |
root |
1.39 |
|
538 |
root |
1.93 |
my $object_type; |
539 |
root |
1.39 |
my $prio = 0; |
540 |
|
|
my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT; |
541 |
|
|
|
542 |
root |
1.100 |
#TODO: get rid of this hack |
543 |
|
|
if ($attachable_klass{$klass}) { |
544 |
|
|
%cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT); |
545 |
|
|
} |
546 |
|
|
|
547 |
root |
1.45 |
while (@arg) { |
548 |
|
|
my $type = shift @arg; |
549 |
root |
1.39 |
|
550 |
|
|
if ($type eq "prio") { |
551 |
root |
1.45 |
$prio = shift @arg; |
552 |
root |
1.39 |
|
553 |
root |
1.93 |
} elsif ($type eq "type") { |
554 |
|
|
$object_type = shift @arg; |
555 |
|
|
$registry = $CB_TYPE[$object_type] ||= []; |
556 |
|
|
|
557 |
|
|
} elsif ($type eq "subtype") { |
558 |
|
|
defined $object_type or Carp::croak "subtype specified without type"; |
559 |
|
|
my $object_subtype = shift @arg; |
560 |
|
|
$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; |
561 |
|
|
|
562 |
root |
1.39 |
} elsif ($type eq "package") { |
563 |
root |
1.45 |
my $pkg = shift @arg; |
564 |
root |
1.39 |
|
565 |
|
|
while (my ($name, $id) = each %cb_id) { |
566 |
|
|
if (my $cb = $pkg->can ($name)) { |
567 |
root |
1.93 |
_attach_cb $registry, $id, $prio, $cb; |
568 |
root |
1.39 |
} |
569 |
|
|
} |
570 |
|
|
|
571 |
|
|
} elsif (exists $cb_id{$type}) { |
572 |
root |
1.93 |
_attach_cb $registry, $cb_id{$type}, $prio, shift @arg; |
573 |
root |
1.39 |
|
574 |
|
|
} elsif (ref $type) { |
575 |
|
|
warn "attaching objects not supported, ignoring.\n"; |
576 |
|
|
|
577 |
|
|
} else { |
578 |
root |
1.45 |
shift @arg; |
579 |
root |
1.39 |
warn "attach argument '$type' not supported, ignoring.\n"; |
580 |
|
|
} |
581 |
|
|
} |
582 |
|
|
} |
583 |
|
|
|
584 |
root |
1.93 |
sub _object_attach { |
585 |
root |
1.48 |
my ($obj, $name, %arg) = @_; |
586 |
root |
1.46 |
|
587 |
root |
1.55 |
return if exists $obj->{_attachment}{$name}; |
588 |
|
|
|
589 |
root |
1.46 |
if (my $attach = $attachment{$name}) { |
590 |
|
|
my $registry = $obj->registry; |
591 |
|
|
|
592 |
root |
1.47 |
for (@$attach) { |
593 |
|
|
my ($klass, @attach) = @$_; |
594 |
root |
1.93 |
_attach $registry, $klass, @attach; |
595 |
root |
1.47 |
} |
596 |
root |
1.46 |
|
597 |
root |
1.48 |
$obj->{$name} = \%arg; |
598 |
root |
1.46 |
} else { |
599 |
|
|
warn "object uses attachment '$name' that is not available, postponing.\n"; |
600 |
|
|
} |
601 |
|
|
|
602 |
root |
1.50 |
$obj->{_attachment}{$name} = undef; |
603 |
root |
1.46 |
} |
604 |
|
|
|
605 |
root |
1.93 |
sub cf::attachable::attach { |
606 |
|
|
if (ref $_[0]) { |
607 |
|
|
_object_attach @_; |
608 |
|
|
} else { |
609 |
|
|
_attach shift->_attach_registry, @_; |
610 |
|
|
} |
611 |
root |
1.55 |
}; |
612 |
root |
1.46 |
|
613 |
root |
1.54 |
# all those should be optimised |
614 |
root |
1.93 |
sub cf::attachable::detach { |
615 |
root |
1.54 |
my ($obj, $name) = @_; |
616 |
root |
1.46 |
|
617 |
root |
1.93 |
if (ref $obj) { |
618 |
|
|
delete $obj->{_attachment}{$name}; |
619 |
|
|
reattach ($obj); |
620 |
|
|
} else { |
621 |
|
|
Carp::croak "cannot, currently, detach class attachments"; |
622 |
|
|
} |
623 |
root |
1.55 |
}; |
624 |
|
|
|
625 |
root |
1.93 |
sub cf::attachable::attached { |
626 |
root |
1.55 |
my ($obj, $name) = @_; |
627 |
|
|
|
628 |
|
|
exists $obj->{_attachment}{$name} |
629 |
root |
1.39 |
} |
630 |
|
|
|
631 |
root |
1.100 |
for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) { |
632 |
root |
1.93 |
eval "#line " . __LINE__ . " 'cf.pm' |
633 |
|
|
sub cf::\L$klass\E::_attach_registry { |
634 |
|
|
(\\\@CB_$klass, KLASS_$klass) |
635 |
|
|
} |
636 |
root |
1.45 |
|
637 |
root |
1.93 |
sub cf::\L$klass\E::attachment { |
638 |
|
|
my \$name = shift; |
639 |
root |
1.39 |
|
640 |
root |
1.93 |
\$attachment{\$name} = [[KLASS_$klass, \@_]]; |
641 |
|
|
} |
642 |
|
|
"; |
643 |
|
|
die if $@; |
644 |
root |
1.52 |
} |
645 |
|
|
|
646 |
root |
1.39 |
our $override; |
647 |
root |
1.45 |
our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? |
648 |
root |
1.39 |
|
649 |
root |
1.45 |
sub override { |
650 |
|
|
$override = 1; |
651 |
|
|
@invoke_results = (); |
652 |
root |
1.39 |
} |
653 |
|
|
|
654 |
root |
1.45 |
sub do_invoke { |
655 |
root |
1.39 |
my $event = shift; |
656 |
root |
1.40 |
my $callbacks = shift; |
657 |
root |
1.39 |
|
658 |
root |
1.45 |
@invoke_results = (); |
659 |
|
|
|
660 |
root |
1.39 |
local $override; |
661 |
|
|
|
662 |
root |
1.40 |
for (@$callbacks) { |
663 |
root |
1.39 |
eval { &{$_->[1]} }; |
664 |
|
|
|
665 |
|
|
if ($@) { |
666 |
|
|
warn "$@"; |
667 |
root |
1.64 |
warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; |
668 |
root |
1.39 |
override; |
669 |
|
|
} |
670 |
|
|
|
671 |
|
|
return 1 if $override; |
672 |
|
|
} |
673 |
|
|
|
674 |
|
|
0 |
675 |
|
|
} |
676 |
|
|
|
677 |
root |
1.96 |
=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) |
678 |
root |
1.55 |
|
679 |
root |
1.96 |
=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) |
680 |
root |
1.55 |
|
681 |
root |
1.96 |
Generate an object-specific event with the given arguments. |
682 |
root |
1.55 |
|
683 |
root |
1.96 |
This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be |
684 |
root |
1.55 |
removed in future versions), and there is no public API to access override |
685 |
|
|
results (if you must, access C<@cf::invoke_results> directly). |
686 |
|
|
|
687 |
|
|
=back |
688 |
|
|
|
689 |
root |
1.71 |
=cut |
690 |
|
|
|
691 |
root |
1.70 |
############################################################################# |
692 |
root |
1.45 |
# object support |
693 |
|
|
|
694 |
root |
1.102 |
sub reattach { |
695 |
|
|
# basically do the same as instantiate, without calling instantiate |
696 |
|
|
my ($obj) = @_; |
697 |
|
|
|
698 |
root |
1.169 |
bless $obj, ref $obj; # re-bless in case extensions have been reloaded |
699 |
|
|
|
700 |
root |
1.102 |
my $registry = $obj->registry; |
701 |
|
|
|
702 |
|
|
@$registry = (); |
703 |
|
|
|
704 |
|
|
delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} }; |
705 |
|
|
|
706 |
|
|
for my $name (keys %{ $obj->{_attachment} || {} }) { |
707 |
|
|
if (my $attach = $attachment{$name}) { |
708 |
|
|
for (@$attach) { |
709 |
|
|
my ($klass, @attach) = @$_; |
710 |
|
|
_attach $registry, $klass, @attach; |
711 |
|
|
} |
712 |
|
|
} else { |
713 |
|
|
warn "object uses attachment '$name' that is not available, postponing.\n"; |
714 |
|
|
} |
715 |
|
|
} |
716 |
|
|
} |
717 |
|
|
|
718 |
root |
1.100 |
cf::attachable->attach ( |
719 |
|
|
prio => -1000000, |
720 |
|
|
on_instantiate => sub { |
721 |
|
|
my ($obj, $data) = @_; |
722 |
root |
1.45 |
|
723 |
root |
1.100 |
$data = from_json $data; |
724 |
root |
1.45 |
|
725 |
root |
1.100 |
for (@$data) { |
726 |
|
|
my ($name, $args) = @$_; |
727 |
root |
1.49 |
|
728 |
root |
1.100 |
$obj->attach ($name, %{$args || {} }); |
729 |
|
|
} |
730 |
|
|
}, |
731 |
root |
1.102 |
on_reattach => \&reattach, |
732 |
root |
1.100 |
on_clone => sub { |
733 |
|
|
my ($src, $dst) = @_; |
734 |
|
|
|
735 |
|
|
@{$dst->registry} = @{$src->registry}; |
736 |
|
|
|
737 |
|
|
%$dst = %$src; |
738 |
|
|
|
739 |
|
|
%{$dst->{_attachment}} = %{$src->{_attachment}} |
740 |
|
|
if exists $src->{_attachment}; |
741 |
|
|
}, |
742 |
|
|
); |
743 |
root |
1.45 |
|
744 |
root |
1.46 |
sub object_freezer_save { |
745 |
root |
1.59 |
my ($filename, $rdata, $objs) = @_; |
746 |
root |
1.46 |
|
747 |
root |
1.105 |
sync_job { |
748 |
|
|
if (length $$rdata) { |
749 |
|
|
warn sprintf "saving %s (%d,%d)\n", |
750 |
|
|
$filename, length $$rdata, scalar @$objs; |
751 |
root |
1.60 |
|
752 |
root |
1.105 |
if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { |
753 |
root |
1.60 |
chmod SAVE_MODE, $fh; |
754 |
root |
1.105 |
aio_write $fh, 0, (length $$rdata), $$rdata, 0; |
755 |
|
|
aio_fsync $fh; |
756 |
root |
1.60 |
close $fh; |
757 |
root |
1.105 |
|
758 |
|
|
if (@$objs) { |
759 |
|
|
if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { |
760 |
|
|
chmod SAVE_MODE, $fh; |
761 |
|
|
my $data = Storable::nfreeze { version => 1, objs => $objs }; |
762 |
|
|
aio_write $fh, 0, (length $data), $data, 0; |
763 |
|
|
aio_fsync $fh; |
764 |
|
|
close $fh; |
765 |
|
|
aio_rename "$filename.pst~", "$filename.pst"; |
766 |
|
|
} |
767 |
|
|
} else { |
768 |
|
|
aio_unlink "$filename.pst"; |
769 |
|
|
} |
770 |
|
|
|
771 |
|
|
aio_rename "$filename~", $filename; |
772 |
root |
1.60 |
} else { |
773 |
root |
1.105 |
warn "FATAL: $filename~: $!\n"; |
774 |
root |
1.60 |
} |
775 |
root |
1.59 |
} else { |
776 |
root |
1.105 |
aio_unlink $filename; |
777 |
|
|
aio_unlink "$filename.pst"; |
778 |
root |
1.59 |
} |
779 |
root |
1.45 |
} |
780 |
|
|
} |
781 |
|
|
|
782 |
root |
1.80 |
sub object_freezer_as_string { |
783 |
|
|
my ($rdata, $objs) = @_; |
784 |
|
|
|
785 |
|
|
use Data::Dumper; |
786 |
|
|
|
787 |
root |
1.81 |
$$rdata . Dumper $objs |
788 |
root |
1.80 |
} |
789 |
|
|
|
790 |
root |
1.46 |
sub object_thawer_load { |
791 |
|
|
my ($filename) = @_; |
792 |
|
|
|
793 |
root |
1.105 |
my ($data, $av); |
794 |
root |
1.61 |
|
795 |
root |
1.105 |
(aio_load $filename, $data) >= 0 |
796 |
|
|
or return; |
797 |
root |
1.61 |
|
798 |
root |
1.105 |
unless (aio_stat "$filename.pst") { |
799 |
|
|
(aio_load "$filename.pst", $av) >= 0 |
800 |
|
|
or return; |
801 |
root |
1.113 |
$av = eval { (Storable::thaw $av)->{objs} }; |
802 |
root |
1.61 |
} |
803 |
root |
1.45 |
|
804 |
root |
1.118 |
warn sprintf "loading %s (%d)\n", |
805 |
|
|
$filename, length $data, scalar @{$av || []};#d# |
806 |
root |
1.105 |
return ($data, $av); |
807 |
root |
1.45 |
} |
808 |
|
|
|
809 |
|
|
############################################################################# |
810 |
root |
1.85 |
# command handling &c |
811 |
root |
1.39 |
|
812 |
root |
1.85 |
=item cf::register_command $name => \&callback($ob,$args); |
813 |
root |
1.1 |
|
814 |
root |
1.85 |
Register a callback for execution when the client sends the user command |
815 |
|
|
$name. |
816 |
root |
1.5 |
|
817 |
root |
1.85 |
=cut |
818 |
root |
1.5 |
|
819 |
root |
1.85 |
sub register_command { |
820 |
|
|
my ($name, $cb) = @_; |
821 |
root |
1.5 |
|
822 |
root |
1.85 |
my $caller = caller; |
823 |
|
|
#warn "registering command '$name/$time' to '$caller'"; |
824 |
root |
1.1 |
|
825 |
root |
1.85 |
push @{ $COMMAND{$name} }, [$caller, $cb]; |
826 |
root |
1.1 |
} |
827 |
|
|
|
828 |
root |
1.85 |
=item cf::register_extcmd $name => \&callback($pl,$packet); |
829 |
root |
1.1 |
|
830 |
root |
1.85 |
Register a callbackf ro execution when the client sends an extcmd packet. |
831 |
root |
1.1 |
|
832 |
root |
1.85 |
If the callback returns something, it is sent back as if reply was being |
833 |
|
|
called. |
834 |
root |
1.1 |
|
835 |
root |
1.85 |
=cut |
836 |
root |
1.1 |
|
837 |
root |
1.16 |
sub register_extcmd { |
838 |
|
|
my ($name, $cb) = @_; |
839 |
|
|
|
840 |
root |
1.159 |
$EXTCMD{$name} = $cb; |
841 |
root |
1.16 |
} |
842 |
|
|
|
843 |
root |
1.93 |
cf::player->attach ( |
844 |
root |
1.85 |
on_command => sub { |
845 |
|
|
my ($pl, $name, $params) = @_; |
846 |
|
|
|
847 |
|
|
my $cb = $COMMAND{$name} |
848 |
|
|
or return; |
849 |
|
|
|
850 |
|
|
for my $cmd (@$cb) { |
851 |
|
|
$cmd->[1]->($pl->ob, $params); |
852 |
|
|
} |
853 |
|
|
|
854 |
|
|
cf::override; |
855 |
|
|
}, |
856 |
|
|
on_extcmd => sub { |
857 |
|
|
my ($pl, $buf) = @_; |
858 |
|
|
|
859 |
|
|
my $msg = eval { from_json $buf }; |
860 |
|
|
|
861 |
|
|
if (ref $msg) { |
862 |
|
|
if (my $cb = $EXTCMD{$msg->{msgtype}}) { |
863 |
root |
1.159 |
if (my %reply = $cb->($pl, $msg)) { |
864 |
root |
1.85 |
$pl->ext_reply ($msg->{msgid}, %reply); |
865 |
|
|
} |
866 |
|
|
} |
867 |
|
|
} else { |
868 |
|
|
warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; |
869 |
|
|
} |
870 |
|
|
|
871 |
|
|
cf::override; |
872 |
|
|
}, |
873 |
root |
1.93 |
); |
874 |
root |
1.85 |
|
875 |
root |
1.1 |
sub load_extension { |
876 |
|
|
my ($path) = @_; |
877 |
|
|
|
878 |
|
|
$path =~ /([^\/\\]+)\.ext$/ or die "$path"; |
879 |
root |
1.5 |
my $base = $1; |
880 |
root |
1.1 |
my $pkg = $1; |
881 |
|
|
$pkg =~ s/[^[:word:]]/_/g; |
882 |
root |
1.41 |
$pkg = "ext::$pkg"; |
883 |
root |
1.1 |
|
884 |
root |
1.160 |
warn "... loading '$path' into '$pkg'\n"; |
885 |
root |
1.1 |
|
886 |
|
|
open my $fh, "<:utf8", $path |
887 |
|
|
or die "$path: $!"; |
888 |
|
|
|
889 |
|
|
my $source = |
890 |
|
|
"package $pkg; use strict; use utf8;\n" |
891 |
|
|
. "#line 1 \"$path\"\n{\n" |
892 |
|
|
. (do { local $/; <$fh> }) |
893 |
|
|
. "\n};\n1"; |
894 |
|
|
|
895 |
root |
1.166 |
unless (eval $source) { |
896 |
|
|
my $msg = $@ ? "$path: $@\n" |
897 |
|
|
: "extension disabled.\n"; |
898 |
|
|
if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match |
899 |
|
|
warn $@; |
900 |
|
|
warn "mandatory extension failed to load, exiting.\n"; |
901 |
|
|
exit 1; |
902 |
|
|
} |
903 |
|
|
die $@; |
904 |
|
|
} |
905 |
root |
1.1 |
|
906 |
root |
1.159 |
push @EXTS, $pkg; |
907 |
root |
1.1 |
} |
908 |
|
|
|
909 |
|
|
sub load_extensions { |
910 |
|
|
for my $ext (<$LIBDIR/*.ext>) { |
911 |
root |
1.3 |
next unless -r $ext; |
912 |
root |
1.2 |
eval { |
913 |
|
|
load_extension $ext; |
914 |
|
|
1 |
915 |
|
|
} or warn "$ext not loaded: $@"; |
916 |
root |
1.1 |
} |
917 |
|
|
} |
918 |
|
|
|
919 |
root |
1.8 |
############################################################################# |
920 |
root |
1.70 |
|
921 |
|
|
=head2 CORE EXTENSIONS |
922 |
|
|
|
923 |
|
|
Functions and methods that extend core crossfire objects. |
924 |
|
|
|
925 |
root |
1.143 |
=cut |
926 |
|
|
|
927 |
|
|
package cf::player; |
928 |
|
|
|
929 |
root |
1.154 |
use Coro::AIO; |
930 |
|
|
|
931 |
root |
1.95 |
=head3 cf::player |
932 |
|
|
|
933 |
root |
1.70 |
=over 4 |
934 |
root |
1.22 |
|
935 |
root |
1.143 |
=item cf::player::find $login |
936 |
root |
1.23 |
|
937 |
root |
1.143 |
Returns the given player object, loading it if necessary (might block). |
938 |
root |
1.23 |
|
939 |
|
|
=cut |
940 |
|
|
|
941 |
root |
1.145 |
sub playerdir($) { |
942 |
|
|
cf::localdir |
943 |
|
|
. "/" |
944 |
|
|
. cf::playerdir |
945 |
|
|
. "/" |
946 |
|
|
. (ref $_[0] ? $_[0]->ob->name : $_[0]) |
947 |
|
|
} |
948 |
|
|
|
949 |
root |
1.143 |
sub path($) { |
950 |
root |
1.145 |
my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; |
951 |
|
|
|
952 |
|
|
(playerdir $login) . "/$login.pl" |
953 |
root |
1.143 |
} |
954 |
|
|
|
955 |
|
|
sub find_active($) { |
956 |
|
|
$cf::PLAYER{$_[0]} |
957 |
|
|
and $cf::PLAYER{$_[0]}->active |
958 |
|
|
and $cf::PLAYER{$_[0]} |
959 |
|
|
} |
960 |
|
|
|
961 |
|
|
sub exists($) { |
962 |
|
|
my ($login) = @_; |
963 |
|
|
|
964 |
|
|
$cf::PLAYER{$login} |
965 |
root |
1.180 |
or cf::sync_job { !aio_stat path $login } |
966 |
root |
1.143 |
} |
967 |
|
|
|
968 |
|
|
sub find($) { |
969 |
|
|
return $cf::PLAYER{$_[0]} || do { |
970 |
|
|
my $login = $_[0]; |
971 |
|
|
|
972 |
|
|
my $guard = cf::lock_acquire "user_find:$login"; |
973 |
|
|
|
974 |
root |
1.151 |
$cf::PLAYER{$_[0]} || do { |
975 |
|
|
my $pl = load_pl path $login |
976 |
|
|
or return; |
977 |
|
|
$cf::PLAYER{$login} = $pl |
978 |
|
|
} |
979 |
|
|
} |
980 |
root |
1.143 |
} |
981 |
|
|
|
982 |
|
|
sub save($) { |
983 |
|
|
my ($pl) = @_; |
984 |
|
|
|
985 |
|
|
return if $pl->{deny_save}; |
986 |
|
|
|
987 |
|
|
my $path = path $pl; |
988 |
|
|
my $guard = cf::lock_acquire "user_save:$path"; |
989 |
|
|
|
990 |
|
|
return if $pl->{deny_save}; |
991 |
root |
1.146 |
|
992 |
root |
1.154 |
aio_mkdir playerdir $pl, 0770; |
993 |
root |
1.143 |
$pl->{last_save} = $cf::RUNTIME; |
994 |
|
|
|
995 |
|
|
$pl->save_pl ($path); |
996 |
|
|
Coro::cede; |
997 |
|
|
} |
998 |
|
|
|
999 |
|
|
sub new($) { |
1000 |
|
|
my ($login) = @_; |
1001 |
|
|
|
1002 |
|
|
my $self = create; |
1003 |
|
|
|
1004 |
|
|
$self->ob->name ($login); |
1005 |
|
|
$self->{deny_save} = 1; |
1006 |
|
|
|
1007 |
|
|
$cf::PLAYER{$login} = $self; |
1008 |
|
|
|
1009 |
|
|
$self |
1010 |
root |
1.23 |
} |
1011 |
|
|
|
1012 |
root |
1.154 |
=item $pl->quit_character |
1013 |
|
|
|
1014 |
|
|
Nukes the player without looking back. If logged in, the connection will |
1015 |
|
|
be destroyed. May block for a long time. |
1016 |
|
|
|
1017 |
|
|
=cut |
1018 |
|
|
|
1019 |
root |
1.145 |
sub quit_character { |
1020 |
|
|
my ($pl) = @_; |
1021 |
|
|
|
1022 |
|
|
$pl->{deny_save} = 1; |
1023 |
|
|
$pl->password ("*"); # this should lock out the player until we nuked the dir |
1024 |
|
|
|
1025 |
|
|
$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; |
1026 |
|
|
$pl->deactivate; |
1027 |
|
|
$pl->invoke (cf::EVENT_PLAYER_QUIT); |
1028 |
|
|
$pl->ns->destroy if $pl->ns; |
1029 |
|
|
|
1030 |
|
|
my $path = playerdir $pl; |
1031 |
|
|
my $temp = "$path~$cf::RUNTIME~deleting~"; |
1032 |
root |
1.154 |
aio_rename $path, $temp; |
1033 |
root |
1.150 |
delete $cf::PLAYER{$pl->ob->name}; |
1034 |
|
|
$pl->destroy; |
1035 |
|
|
IO::AIO::aio_rmtree $temp; |
1036 |
root |
1.145 |
} |
1037 |
|
|
|
1038 |
root |
1.154 |
=item cf::player::list_logins |
1039 |
|
|
|
1040 |
|
|
Returns am arrayref of all valid playernames in the system, can take a |
1041 |
|
|
while and may block, so not sync_job-capable, ever. |
1042 |
|
|
|
1043 |
|
|
=cut |
1044 |
|
|
|
1045 |
|
|
sub list_logins { |
1046 |
|
|
my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir |
1047 |
|
|
or return []; |
1048 |
|
|
|
1049 |
|
|
my @logins; |
1050 |
|
|
|
1051 |
|
|
for my $login (@$dirs) { |
1052 |
|
|
my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; |
1053 |
|
|
aio_read $fh, 0, 512, my $buf, 0 or next; |
1054 |
root |
1.155 |
$buf !~ /^password -------------$/m or next; # official not-valid tag |
1055 |
root |
1.154 |
|
1056 |
|
|
utf8::decode $login; |
1057 |
|
|
push @logins, $login; |
1058 |
|
|
} |
1059 |
|
|
|
1060 |
|
|
\@logins |
1061 |
|
|
} |
1062 |
|
|
|
1063 |
|
|
=item $player->maps |
1064 |
|
|
|
1065 |
root |
1.166 |
Returns an arrayref of map paths that are private for this |
1066 |
root |
1.154 |
player. May block. |
1067 |
|
|
|
1068 |
|
|
=cut |
1069 |
|
|
|
1070 |
|
|
sub maps($) { |
1071 |
|
|
my ($pl) = @_; |
1072 |
|
|
|
1073 |
|
|
my $files = aio_readdir playerdir $pl |
1074 |
|
|
or return; |
1075 |
|
|
|
1076 |
|
|
my @paths; |
1077 |
|
|
|
1078 |
|
|
for (@$files) { |
1079 |
|
|
utf8::decode $_; |
1080 |
|
|
next if /\.(?:pl|pst)$/; |
1081 |
root |
1.158 |
next unless /^$PATH_SEP/o; |
1082 |
root |
1.154 |
|
1083 |
root |
1.167 |
s/\.map$//; |
1084 |
root |
1.166 |
push @paths, "~" . $pl->ob->name . "/" . $_; |
1085 |
root |
1.154 |
} |
1086 |
|
|
|
1087 |
|
|
\@paths |
1088 |
|
|
} |
1089 |
|
|
|
1090 |
root |
1.95 |
=item $player->ext_reply ($msgid, $msgtype, %msg) |
1091 |
|
|
|
1092 |
|
|
Sends an ext reply to the player. |
1093 |
|
|
|
1094 |
|
|
=cut |
1095 |
|
|
|
1096 |
root |
1.143 |
sub ext_reply($$$%) { |
1097 |
root |
1.95 |
my ($self, $id, %msg) = @_; |
1098 |
|
|
|
1099 |
|
|
$msg{msgid} = $id; |
1100 |
|
|
|
1101 |
root |
1.143 |
$self->send ("ext " . cf::to_json \%msg); |
1102 |
root |
1.95 |
} |
1103 |
|
|
|
1104 |
root |
1.143 |
package cf; |
1105 |
|
|
|
1106 |
root |
1.95 |
=back |
1107 |
|
|
|
1108 |
root |
1.110 |
|
1109 |
|
|
=head3 cf::map |
1110 |
|
|
|
1111 |
|
|
=over 4 |
1112 |
|
|
|
1113 |
|
|
=cut |
1114 |
|
|
|
1115 |
|
|
package cf::map; |
1116 |
|
|
|
1117 |
|
|
use Fcntl; |
1118 |
|
|
use Coro::AIO; |
1119 |
|
|
|
1120 |
root |
1.166 |
use overload |
1121 |
root |
1.173 |
'""' => \&as_string, |
1122 |
|
|
fallback => 1; |
1123 |
root |
1.166 |
|
1124 |
root |
1.133 |
our $MAX_RESET = 3600; |
1125 |
|
|
our $DEFAULT_RESET = 3000; |
1126 |
root |
1.110 |
|
1127 |
|
|
sub generate_random_map { |
1128 |
root |
1.166 |
my ($self, $rmp) = @_; |
1129 |
root |
1.110 |
# mit "rum" bekleckern, nicht |
1130 |
root |
1.166 |
$self->_create_random_map ( |
1131 |
root |
1.110 |
$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, |
1132 |
|
|
$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, |
1133 |
|
|
$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, |
1134 |
|
|
$rmp->{exit_on_final_map}, |
1135 |
|
|
$rmp->{xsize}, $rmp->{ysize}, |
1136 |
|
|
$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, |
1137 |
|
|
$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, |
1138 |
|
|
$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, |
1139 |
|
|
$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, |
1140 |
|
|
$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, |
1141 |
root |
1.162 |
(cf::region::find $rmp->{region}), $rmp->{custom} |
1142 |
|
|
) |
1143 |
root |
1.110 |
} |
1144 |
|
|
|
1145 |
root |
1.166 |
sub register { |
1146 |
|
|
my (undef, $regex) = @_; |
1147 |
|
|
my $pkg = caller; |
1148 |
|
|
|
1149 |
|
|
no strict; |
1150 |
|
|
push @{"$pkg\::ISA"}, __PACKAGE__; |
1151 |
|
|
|
1152 |
|
|
$EXT_MAP{$pkg} = qr<$regex>; |
1153 |
|
|
} |
1154 |
|
|
|
1155 |
|
|
# also paths starting with '/' |
1156 |
|
|
$EXT_MAP{"cf::map"} = qr{^(?=/)}; |
1157 |
|
|
|
1158 |
root |
1.170 |
sub thawer_merge { |
1159 |
root |
1.172 |
my ($self, $merge) = @_; |
1160 |
|
|
|
1161 |
root |
1.170 |
# we have to keep some variables in memory intact |
1162 |
root |
1.172 |
local $self->{path}; |
1163 |
|
|
local $self->{load_path}; |
1164 |
|
|
local $self->{deny_save}; |
1165 |
|
|
local $self->{deny_reset}; |
1166 |
root |
1.170 |
|
1167 |
root |
1.172 |
$self->SUPER::thawer_merge ($merge); |
1168 |
root |
1.170 |
} |
1169 |
|
|
|
1170 |
root |
1.166 |
sub normalise { |
1171 |
|
|
my ($path, $base) = @_; |
1172 |
|
|
|
1173 |
|
|
# map plan: |
1174 |
|
|
# |
1175 |
|
|
# /! non-realised random map exit (special hack!) |
1176 |
|
|
# {... are special paths that are not being touched |
1177 |
|
|
# ?xxx/... are special absolute paths |
1178 |
|
|
# ?random/... random maps |
1179 |
|
|
# /... normal maps |
1180 |
|
|
# ~user/... per-player map of a specific user |
1181 |
|
|
|
1182 |
|
|
$path =~ s/$PATH_SEP/\//go; |
1183 |
|
|
|
1184 |
|
|
# treat it as relative path if it starts with |
1185 |
|
|
# something that looks reasonable |
1186 |
|
|
if ($path =~ m{^(?:\./|\.\./|\w)}) { |
1187 |
|
|
$base or Carp::carp "normalise called with relative path and no base: '$path'"; |
1188 |
|
|
|
1189 |
|
|
$base =~ s{[^/]+/?$}{}; |
1190 |
|
|
$path = "$base/$path"; |
1191 |
|
|
} |
1192 |
|
|
|
1193 |
|
|
for ($path) { |
1194 |
|
|
redo if s{//}{/}; |
1195 |
|
|
redo if s{/\.?/}{/}; |
1196 |
|
|
redo if s{/[^/]+/\.\./}{/}; |
1197 |
|
|
} |
1198 |
|
|
|
1199 |
|
|
$path |
1200 |
|
|
} |
1201 |
|
|
|
1202 |
|
|
sub new_from_path { |
1203 |
|
|
my (undef, $path, $base) = @_; |
1204 |
|
|
|
1205 |
|
|
return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object |
1206 |
|
|
|
1207 |
|
|
$path = normalise $path, $base; |
1208 |
|
|
|
1209 |
|
|
for my $pkg (keys %EXT_MAP) { |
1210 |
|
|
if ($path =~ $EXT_MAP{$pkg}) { |
1211 |
|
|
my $self = bless cf::map::new, $pkg; |
1212 |
|
|
$self->{path} = $path; $self->path ($path); |
1213 |
|
|
$self->init; # pass $1 etc. |
1214 |
|
|
return $self; |
1215 |
|
|
} |
1216 |
|
|
} |
1217 |
|
|
|
1218 |
|
|
Carp::carp "unable to resolve path '$path'."; |
1219 |
|
|
() |
1220 |
|
|
} |
1221 |
|
|
|
1222 |
|
|
sub init { |
1223 |
|
|
my ($self) = @_; |
1224 |
|
|
|
1225 |
|
|
$self |
1226 |
|
|
} |
1227 |
|
|
|
1228 |
|
|
sub as_string { |
1229 |
|
|
my ($self) = @_; |
1230 |
|
|
|
1231 |
|
|
"$self->{path}" |
1232 |
|
|
} |
1233 |
|
|
|
1234 |
|
|
# the displayed name, this is a one way mapping |
1235 |
|
|
sub visible_name { |
1236 |
|
|
&as_string |
1237 |
|
|
} |
1238 |
|
|
|
1239 |
|
|
# the original (read-only) location |
1240 |
|
|
sub load_path { |
1241 |
|
|
my ($self) = @_; |
1242 |
|
|
|
1243 |
|
|
sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} |
1244 |
|
|
} |
1245 |
|
|
|
1246 |
|
|
# the temporary/swap location |
1247 |
|
|
sub save_path { |
1248 |
|
|
my ($self) = @_; |
1249 |
|
|
|
1250 |
root |
1.167 |
(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
1251 |
|
|
sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path |
1252 |
root |
1.166 |
} |
1253 |
|
|
|
1254 |
|
|
# the unique path, undef == no special unique path |
1255 |
|
|
sub uniq_path { |
1256 |
|
|
my ($self) = @_; |
1257 |
|
|
|
1258 |
root |
1.167 |
(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
1259 |
|
|
sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path |
1260 |
root |
1.166 |
} |
1261 |
|
|
|
1262 |
root |
1.110 |
# and all this just because we cannot iterate over |
1263 |
|
|
# all maps in C++... |
1264 |
|
|
sub change_all_map_light { |
1265 |
|
|
my ($change) = @_; |
1266 |
|
|
|
1267 |
root |
1.122 |
$_->change_map_light ($change) |
1268 |
|
|
for grep $_->outdoor, values %cf::MAP; |
1269 |
root |
1.110 |
} |
1270 |
|
|
|
1271 |
root |
1.166 |
sub unlink_save { |
1272 |
|
|
my ($self) = @_; |
1273 |
|
|
|
1274 |
|
|
utf8::encode (my $save = $self->save_path); |
1275 |
root |
1.170 |
IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; |
1276 |
|
|
IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; |
1277 |
root |
1.166 |
} |
1278 |
|
|
|
1279 |
|
|
sub load_header_from($) { |
1280 |
|
|
my ($self, $path) = @_; |
1281 |
root |
1.110 |
|
1282 |
|
|
utf8::encode $path; |
1283 |
|
|
aio_open $path, O_RDONLY, 0 |
1284 |
|
|
or return; |
1285 |
|
|
|
1286 |
root |
1.166 |
$self->_load_header ($path) |
1287 |
root |
1.110 |
or return; |
1288 |
|
|
|
1289 |
root |
1.166 |
$self->{load_path} = $path; |
1290 |
root |
1.135 |
|
1291 |
root |
1.166 |
1 |
1292 |
|
|
} |
1293 |
root |
1.110 |
|
1294 |
root |
1.166 |
sub load_orig { |
1295 |
|
|
my ($self) = @_; |
1296 |
root |
1.110 |
|
1297 |
root |
1.166 |
$self->load_header_from ($self->load_path) |
1298 |
root |
1.110 |
} |
1299 |
|
|
|
1300 |
root |
1.166 |
sub load_temp { |
1301 |
|
|
my ($self) = @_; |
1302 |
root |
1.110 |
|
1303 |
root |
1.166 |
$self->load_header_from ($self->save_path) |
1304 |
|
|
} |
1305 |
root |
1.110 |
|
1306 |
root |
1.166 |
sub load_header { |
1307 |
|
|
my ($self) = @_; |
1308 |
root |
1.110 |
|
1309 |
root |
1.166 |
if ($self->load_temp) { |
1310 |
|
|
$self->last_access ((delete $self->{last_access}) |
1311 |
|
|
|| $cf::RUNTIME); #d# |
1312 |
|
|
# safety |
1313 |
|
|
$self->{instantiate_time} = $cf::RUNTIME |
1314 |
|
|
if $self->{instantiate_time} > $cf::RUNTIME; |
1315 |
|
|
} else { |
1316 |
|
|
$self->load_orig |
1317 |
|
|
or return; |
1318 |
root |
1.120 |
|
1319 |
root |
1.166 |
$self->{load_original} = 1; |
1320 |
|
|
$self->{instantiate_time} = $cf::RUNTIME; |
1321 |
|
|
$self->last_access ($cf::RUNTIME); |
1322 |
|
|
$self->instantiate; |
1323 |
|
|
} |
1324 |
root |
1.120 |
|
1325 |
root |
1.166 |
1 |
1326 |
|
|
} |
1327 |
root |
1.110 |
|
1328 |
root |
1.166 |
sub find; |
1329 |
|
|
sub find { |
1330 |
|
|
my ($path, $origin) = @_; |
1331 |
root |
1.134 |
|
1332 |
root |
1.166 |
$path = normalise $path, $origin && $origin->path; |
1333 |
root |
1.110 |
|
1334 |
root |
1.166 |
cf::lock_wait "map_find:$path"; |
1335 |
root |
1.110 |
|
1336 |
root |
1.166 |
$cf::MAP{$path} || do { |
1337 |
|
|
my $guard = cf::lock_acquire "map_find:$path"; |
1338 |
|
|
my $map = new_from_path cf::map $path |
1339 |
|
|
or return; |
1340 |
root |
1.110 |
|
1341 |
root |
1.116 |
$map->{last_save} = $cf::RUNTIME; |
1342 |
root |
1.110 |
|
1343 |
root |
1.166 |
$map->load_header |
1344 |
|
|
or return; |
1345 |
root |
1.134 |
|
1346 |
root |
1.112 |
if ($map->should_reset) { |
1347 |
root |
1.185 |
# doing this can freeze the server in a sync job, obviously |
1348 |
|
|
#$cf::WAIT_FOR_TICK->wait; |
1349 |
root |
1.112 |
$map->reset; |
1350 |
root |
1.123 |
undef $guard; |
1351 |
root |
1.133 |
$map = find $path |
1352 |
root |
1.124 |
or return; |
1353 |
root |
1.112 |
} |
1354 |
root |
1.110 |
|
1355 |
root |
1.166 |
$cf::MAP{$path} = $map |
1356 |
root |
1.110 |
} |
1357 |
|
|
} |
1358 |
|
|
|
1359 |
|
|
sub load { |
1360 |
|
|
my ($self) = @_; |
1361 |
|
|
|
1362 |
root |
1.120 |
my $path = $self->{path}; |
1363 |
root |
1.166 |
my $guard = cf::lock_acquire "map_load:$path"; |
1364 |
root |
1.120 |
|
1365 |
root |
1.110 |
return if $self->in_memory != cf::MAP_SWAPPED; |
1366 |
|
|
|
1367 |
|
|
$self->in_memory (cf::MAP_LOADING); |
1368 |
|
|
|
1369 |
|
|
$self->alloc; |
1370 |
root |
1.166 |
$self->_load_objects ($self->{load_path}, 1) |
1371 |
root |
1.110 |
or return; |
1372 |
|
|
|
1373 |
root |
1.112 |
$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) |
1374 |
|
|
if delete $self->{load_original}; |
1375 |
root |
1.111 |
|
1376 |
root |
1.166 |
if (my $uniq = $self->uniq_path) { |
1377 |
root |
1.110 |
utf8::encode $uniq; |
1378 |
|
|
if (aio_open $uniq, O_RDONLY, 0) { |
1379 |
|
|
$self->clear_unique_items; |
1380 |
root |
1.166 |
$self->_load_objects ($uniq, 0); |
1381 |
root |
1.110 |
} |
1382 |
|
|
} |
1383 |
|
|
|
1384 |
root |
1.134 |
Coro::cede; |
1385 |
|
|
|
1386 |
root |
1.110 |
# now do the right thing for maps |
1387 |
|
|
$self->link_multipart_objects; |
1388 |
|
|
|
1389 |
root |
1.166 |
unless ($self->{deny_activate}) { |
1390 |
root |
1.164 |
$self->decay_objects; |
1391 |
root |
1.110 |
$self->fix_auto_apply; |
1392 |
|
|
$self->update_buttons; |
1393 |
root |
1.166 |
Coro::cede; |
1394 |
root |
1.110 |
$self->set_darkness_map; |
1395 |
|
|
$self->difficulty ($self->estimate_difficulty) |
1396 |
|
|
unless $self->difficulty; |
1397 |
root |
1.166 |
Coro::cede; |
1398 |
root |
1.110 |
$self->activate; |
1399 |
|
|
} |
1400 |
|
|
|
1401 |
root |
1.166 |
$self->in_memory (cf::MAP_IN_MEMORY); |
1402 |
|
|
} |
1403 |
|
|
|
1404 |
|
|
sub customise_for { |
1405 |
|
|
my ($self, $ob) = @_; |
1406 |
|
|
|
1407 |
|
|
return find "~" . $ob->name . "/" . $self->{path} |
1408 |
|
|
if $self->per_player; |
1409 |
root |
1.134 |
|
1410 |
root |
1.166 |
$self |
1411 |
root |
1.110 |
} |
1412 |
|
|
|
1413 |
root |
1.157 |
# find and load all maps in the 3x3 area around a map |
1414 |
|
|
sub load_diag { |
1415 |
|
|
my ($map) = @_; |
1416 |
|
|
|
1417 |
|
|
my @diag; # diagonal neighbours |
1418 |
|
|
|
1419 |
|
|
for (0 .. 3) { |
1420 |
|
|
my $neigh = $map->tile_path ($_) |
1421 |
|
|
or next; |
1422 |
|
|
$neigh = find $neigh, $map |
1423 |
|
|
or next; |
1424 |
|
|
$neigh->load; |
1425 |
|
|
|
1426 |
|
|
push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], |
1427 |
|
|
[$neigh->tile_path (($_ + 1) % 4), $neigh]; |
1428 |
|
|
} |
1429 |
|
|
|
1430 |
|
|
for (@diag) { |
1431 |
|
|
my $neigh = find @$_ |
1432 |
|
|
or next; |
1433 |
|
|
$neigh->load; |
1434 |
|
|
} |
1435 |
|
|
} |
1436 |
|
|
|
1437 |
root |
1.133 |
sub find_sync { |
1438 |
root |
1.110 |
my ($path, $origin) = @_; |
1439 |
|
|
|
1440 |
root |
1.157 |
cf::sync_job { find $path, $origin } |
1441 |
root |
1.133 |
} |
1442 |
|
|
|
1443 |
|
|
sub do_load_sync { |
1444 |
|
|
my ($map) = @_; |
1445 |
root |
1.110 |
|
1446 |
root |
1.133 |
cf::sync_job { $map->load }; |
1447 |
root |
1.110 |
} |
1448 |
|
|
|
1449 |
root |
1.157 |
our %MAP_PREFETCH; |
1450 |
root |
1.183 |
our $MAP_PREFETCHER = undef; |
1451 |
root |
1.157 |
|
1452 |
|
|
sub find_async { |
1453 |
|
|
my ($path, $origin) = @_; |
1454 |
|
|
|
1455 |
root |
1.166 |
$path = normalise $path, $origin && $origin->{path}; |
1456 |
root |
1.157 |
|
1457 |
root |
1.166 |
if (my $map = $cf::MAP{$path}) { |
1458 |
root |
1.157 |
return $map if $map->in_memory == cf::MAP_IN_MEMORY; |
1459 |
|
|
} |
1460 |
|
|
|
1461 |
root |
1.183 |
undef $MAP_PREFETCH{$path}; |
1462 |
|
|
$MAP_PREFETCHER ||= cf::async { |
1463 |
|
|
while (%MAP_PREFETCH) { |
1464 |
|
|
for my $path (keys %MAP_PREFETCH) { |
1465 |
|
|
my $map = find $path |
1466 |
|
|
or next; |
1467 |
|
|
$map->load; |
1468 |
|
|
|
1469 |
|
|
delete $MAP_PREFETCH{$path}; |
1470 |
|
|
} |
1471 |
|
|
} |
1472 |
|
|
undef $MAP_PREFETCHER; |
1473 |
|
|
}; |
1474 |
root |
1.157 |
|
1475 |
|
|
() |
1476 |
|
|
} |
1477 |
|
|
|
1478 |
root |
1.110 |
sub save { |
1479 |
|
|
my ($self) = @_; |
1480 |
|
|
|
1481 |
root |
1.137 |
my $lock = cf::lock_acquire "map_data:" . $self->path; |
1482 |
|
|
|
1483 |
root |
1.110 |
$self->{last_save} = $cf::RUNTIME; |
1484 |
|
|
|
1485 |
|
|
return unless $self->dirty; |
1486 |
|
|
|
1487 |
root |
1.166 |
my $save = $self->save_path; utf8::encode $save; |
1488 |
|
|
my $uniq = $self->uniq_path; utf8::encode $uniq; |
1489 |
root |
1.117 |
|
1490 |
root |
1.110 |
$self->{load_path} = $save; |
1491 |
|
|
|
1492 |
|
|
return if $self->{deny_save}; |
1493 |
|
|
|
1494 |
root |
1.132 |
local $self->{last_access} = $self->last_access;#d# |
1495 |
|
|
|
1496 |
root |
1.143 |
cf::async { |
1497 |
|
|
$_->contr->save for $self->players; |
1498 |
|
|
}; |
1499 |
|
|
|
1500 |
root |
1.110 |
if ($uniq) { |
1501 |
root |
1.166 |
$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); |
1502 |
|
|
$self->_save_objects ($uniq, cf::IO_UNIQUES); |
1503 |
root |
1.110 |
} else { |
1504 |
root |
1.166 |
$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); |
1505 |
root |
1.110 |
} |
1506 |
|
|
} |
1507 |
|
|
|
1508 |
|
|
sub swap_out { |
1509 |
|
|
my ($self) = @_; |
1510 |
|
|
|
1511 |
root |
1.130 |
# save first because save cedes |
1512 |
|
|
$self->save; |
1513 |
|
|
|
1514 |
root |
1.137 |
my $lock = cf::lock_acquire "map_data:" . $self->path; |
1515 |
|
|
|
1516 |
root |
1.110 |
return if $self->players; |
1517 |
|
|
return if $self->in_memory != cf::MAP_IN_MEMORY; |
1518 |
|
|
return if $self->{deny_save}; |
1519 |
|
|
|
1520 |
|
|
$self->clear; |
1521 |
|
|
$self->in_memory (cf::MAP_SWAPPED); |
1522 |
|
|
} |
1523 |
|
|
|
1524 |
root |
1.112 |
sub reset_at { |
1525 |
|
|
my ($self) = @_; |
1526 |
root |
1.110 |
|
1527 |
|
|
# TODO: safety, remove and allow resettable per-player maps |
1528 |
root |
1.169 |
return 1e99 if $self->isa ("ext::map_per_player");#d# |
1529 |
root |
1.114 |
return 1e99 if $self->{deny_reset}; |
1530 |
root |
1.110 |
|
1531 |
root |
1.112 |
my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; |
1532 |
root |
1.114 |
my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; |
1533 |
root |
1.110 |
|
1534 |
root |
1.112 |
$time + $to |
1535 |
|
|
} |
1536 |
|
|
|
1537 |
|
|
sub should_reset { |
1538 |
|
|
my ($self) = @_; |
1539 |
|
|
|
1540 |
|
|
$self->reset_at <= $cf::RUNTIME |
1541 |
root |
1.111 |
} |
1542 |
|
|
|
1543 |
root |
1.110 |
sub reset { |
1544 |
|
|
my ($self) = @_; |
1545 |
|
|
|
1546 |
root |
1.167 |
my $lock = cf::lock_acquire "map_data:$self->{path}"; |
1547 |
root |
1.137 |
|
1548 |
root |
1.110 |
return if $self->players; |
1549 |
root |
1.166 |
return if $self->isa ("ext::map_per_player");#d# |
1550 |
root |
1.110 |
|
1551 |
|
|
warn "resetting map ", $self->path;#d# |
1552 |
|
|
|
1553 |
root |
1.111 |
delete $cf::MAP{$self->path}; |
1554 |
root |
1.110 |
|
1555 |
root |
1.167 |
$self->in_memory (cf::MAP_SWAPPED); |
1556 |
|
|
$self->clear; |
1557 |
|
|
|
1558 |
root |
1.110 |
$_->clear_links_to ($self) for values %cf::MAP; |
1559 |
|
|
|
1560 |
root |
1.166 |
$self->unlink_save; |
1561 |
root |
1.111 |
$self->destroy; |
1562 |
root |
1.110 |
} |
1563 |
|
|
|
1564 |
root |
1.114 |
my $nuke_counter = "aaaa"; |
1565 |
|
|
|
1566 |
|
|
sub nuke { |
1567 |
|
|
my ($self) = @_; |
1568 |
|
|
|
1569 |
root |
1.174 |
delete $cf::MAP{$self->path}; |
1570 |
|
|
|
1571 |
|
|
$self->unlink_save; |
1572 |
|
|
|
1573 |
|
|
bless $self, "cf::map"; |
1574 |
|
|
delete $self->{deny_reset}; |
1575 |
root |
1.114 |
$self->{deny_save} = 1; |
1576 |
|
|
$self->reset_timeout (1); |
1577 |
root |
1.174 |
$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); |
1578 |
|
|
|
1579 |
|
|
$cf::MAP{$self->path} = $self; |
1580 |
|
|
|
1581 |
root |
1.114 |
$self->reset; # polite request, might not happen |
1582 |
|
|
} |
1583 |
|
|
|
1584 |
root |
1.158 |
=item cf::map::unique_maps |
1585 |
|
|
|
1586 |
root |
1.166 |
Returns an arrayref of paths of all shared maps that have |
1587 |
root |
1.158 |
instantiated unique items. May block. |
1588 |
|
|
|
1589 |
|
|
=cut |
1590 |
|
|
|
1591 |
|
|
sub unique_maps() { |
1592 |
|
|
my $files = aio_readdir cf::localdir . "/" . cf::uniquedir |
1593 |
|
|
or return; |
1594 |
|
|
|
1595 |
|
|
my @paths; |
1596 |
|
|
|
1597 |
|
|
for (@$files) { |
1598 |
|
|
utf8::decode $_; |
1599 |
|
|
next if /\.pst$/; |
1600 |
|
|
next unless /^$PATH_SEP/o; |
1601 |
|
|
|
1602 |
root |
1.167 |
s/\.map$//; |
1603 |
root |
1.166 |
push @paths, $_; |
1604 |
root |
1.158 |
} |
1605 |
|
|
|
1606 |
|
|
\@paths |
1607 |
|
|
} |
1608 |
|
|
|
1609 |
root |
1.155 |
package cf; |
1610 |
|
|
|
1611 |
|
|
=back |
1612 |
|
|
|
1613 |
|
|
=head3 cf::object |
1614 |
|
|
|
1615 |
|
|
=cut |
1616 |
|
|
|
1617 |
|
|
package cf::object; |
1618 |
|
|
|
1619 |
|
|
=over 4 |
1620 |
|
|
|
1621 |
|
|
=item $ob->inv_recursive |
1622 |
root |
1.110 |
|
1623 |
root |
1.155 |
Returns the inventory of the object _and_ their inventories, recursively. |
1624 |
root |
1.110 |
|
1625 |
root |
1.155 |
=cut |
1626 |
root |
1.144 |
|
1627 |
root |
1.155 |
sub inv_recursive_; |
1628 |
|
|
sub inv_recursive_ { |
1629 |
|
|
map { $_, inv_recursive_ $_->inv } @_ |
1630 |
|
|
} |
1631 |
root |
1.110 |
|
1632 |
root |
1.155 |
sub inv_recursive { |
1633 |
|
|
inv_recursive_ inv $_[0] |
1634 |
root |
1.110 |
} |
1635 |
|
|
|
1636 |
|
|
package cf; |
1637 |
|
|
|
1638 |
|
|
=back |
1639 |
|
|
|
1640 |
root |
1.95 |
=head3 cf::object::player |
1641 |
|
|
|
1642 |
|
|
=over 4 |
1643 |
|
|
|
1644 |
root |
1.79 |
=item $player_object->reply ($npc, $msg[, $flags]) |
1645 |
root |
1.28 |
|
1646 |
|
|
Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
1647 |
|
|
can be C<undef>. Does the right thing when the player is currently in a |
1648 |
|
|
dialogue with the given NPC character. |
1649 |
|
|
|
1650 |
|
|
=cut |
1651 |
|
|
|
1652 |
root |
1.22 |
# rough implementation of a future "reply" method that works |
1653 |
|
|
# with dialog boxes. |
1654 |
root |
1.95 |
#TODO: the first argument must go, split into a $npc->reply_to ( method |
1655 |
root |
1.23 |
sub cf::object::player::reply($$$;$) { |
1656 |
|
|
my ($self, $npc, $msg, $flags) = @_; |
1657 |
|
|
|
1658 |
|
|
$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
1659 |
root |
1.22 |
|
1660 |
root |
1.24 |
if ($self->{record_replies}) { |
1661 |
|
|
push @{ $self->{record_replies} }, [$npc, $msg, $flags]; |
1662 |
|
|
} else { |
1663 |
|
|
$msg = $npc->name . " says: $msg" if $npc; |
1664 |
|
|
$self->message ($msg, $flags); |
1665 |
|
|
} |
1666 |
root |
1.22 |
} |
1667 |
|
|
|
1668 |
root |
1.79 |
=item $player_object->may ("access") |
1669 |
|
|
|
1670 |
|
|
Returns wether the given player is authorized to access resource "access" |
1671 |
|
|
(e.g. "command_wizcast"). |
1672 |
|
|
|
1673 |
|
|
=cut |
1674 |
|
|
|
1675 |
|
|
sub cf::object::player::may { |
1676 |
|
|
my ($self, $access) = @_; |
1677 |
|
|
|
1678 |
|
|
$self->flag (cf::FLAG_WIZ) || |
1679 |
|
|
(ref $cf::CFG{"may_$access"} |
1680 |
|
|
? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}} |
1681 |
|
|
: $cf::CFG{"may_$access"}) |
1682 |
|
|
} |
1683 |
root |
1.70 |
|
1684 |
root |
1.115 |
=item $player_object->enter_link |
1685 |
|
|
|
1686 |
|
|
Freezes the player and moves him/her to a special map (C<{link}>). |
1687 |
|
|
|
1688 |
root |
1.166 |
The player should be reasonably safe there for short amounts of time. You |
1689 |
root |
1.115 |
I<MUST> call C<leave_link> as soon as possible, though. |
1690 |
|
|
|
1691 |
root |
1.166 |
Will never block. |
1692 |
|
|
|
1693 |
root |
1.115 |
=item $player_object->leave_link ($map, $x, $y) |
1694 |
|
|
|
1695 |
root |
1.166 |
Moves the player out of the special C<{link}> map onto the specified |
1696 |
|
|
map. If the map is not valid (or omitted), the player will be moved back |
1697 |
|
|
to the location he/she was before the call to C<enter_link>, or, if that |
1698 |
|
|
fails, to the emergency map position. |
1699 |
root |
1.115 |
|
1700 |
|
|
Might block. |
1701 |
|
|
|
1702 |
|
|
=cut |
1703 |
|
|
|
1704 |
root |
1.166 |
sub link_map { |
1705 |
|
|
unless ($LINK_MAP) { |
1706 |
|
|
$LINK_MAP = cf::map::find "{link}" |
1707 |
|
|
or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; |
1708 |
|
|
$LINK_MAP->load; |
1709 |
|
|
} |
1710 |
|
|
|
1711 |
|
|
$LINK_MAP |
1712 |
|
|
} |
1713 |
|
|
|
1714 |
root |
1.110 |
sub cf::object::player::enter_link { |
1715 |
|
|
my ($self) = @_; |
1716 |
|
|
|
1717 |
root |
1.120 |
$self->deactivate_recursive; |
1718 |
|
|
|
1719 |
root |
1.166 |
return if UNIVERSAL::isa $self->map, "ext::map_link"; |
1720 |
root |
1.110 |
|
1721 |
root |
1.120 |
$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] |
1722 |
root |
1.110 |
if $self->map; |
1723 |
|
|
|
1724 |
root |
1.166 |
$self->enter_map ($LINK_MAP || link_map, 20, 20); |
1725 |
root |
1.110 |
} |
1726 |
|
|
|
1727 |
|
|
sub cf::object::player::leave_link { |
1728 |
|
|
my ($self, $map, $x, $y) = @_; |
1729 |
|
|
|
1730 |
|
|
my $link_pos = delete $self->{_link_pos}; |
1731 |
|
|
|
1732 |
|
|
unless ($map) { |
1733 |
|
|
# restore original map position |
1734 |
|
|
($map, $x, $y) = @{ $link_pos || [] }; |
1735 |
root |
1.133 |
$map = cf::map::find $map; |
1736 |
root |
1.110 |
|
1737 |
|
|
unless ($map) { |
1738 |
|
|
($map, $x, $y) = @$EMERGENCY_POSITION; |
1739 |
root |
1.133 |
$map = cf::map::find $map |
1740 |
root |
1.110 |
or die "FATAL: cannot load emergency map\n"; |
1741 |
|
|
} |
1742 |
|
|
} |
1743 |
|
|
|
1744 |
|
|
($x, $y) = (-1, -1) |
1745 |
|
|
unless (defined $x) && (defined $y); |
1746 |
|
|
|
1747 |
|
|
# use -1 or undef as default coordinates, not 0, 0 |
1748 |
|
|
($x, $y) = ($map->enter_x, $map->enter_y) |
1749 |
|
|
if $x <=0 && $y <= 0; |
1750 |
|
|
|
1751 |
|
|
$map->load; |
1752 |
root |
1.157 |
$map->load_diag; |
1753 |
root |
1.110 |
|
1754 |
root |
1.143 |
return unless $self->contr->active; |
1755 |
root |
1.110 |
$self->activate_recursive; |
1756 |
|
|
$self->enter_map ($map, $x, $y); |
1757 |
|
|
} |
1758 |
|
|
|
1759 |
root |
1.120 |
cf::player->attach ( |
1760 |
|
|
on_logout => sub { |
1761 |
|
|
my ($pl) = @_; |
1762 |
|
|
|
1763 |
|
|
# abort map switching before logout |
1764 |
|
|
if ($pl->ob->{_link_pos}) { |
1765 |
|
|
cf::sync_job { |
1766 |
|
|
$pl->ob->leave_link |
1767 |
|
|
}; |
1768 |
|
|
} |
1769 |
|
|
}, |
1770 |
|
|
on_login => sub { |
1771 |
|
|
my ($pl) = @_; |
1772 |
|
|
|
1773 |
|
|
# try to abort aborted map switching on player login :) |
1774 |
|
|
# should happen only on crashes |
1775 |
|
|
if ($pl->ob->{_link_pos}) { |
1776 |
|
|
$pl->ob->enter_link; |
1777 |
root |
1.140 |
(async { |
1778 |
root |
1.120 |
# we need this sleep as the login has a concurrent enter_exit running |
1779 |
|
|
# and this sleep increases chances of the player not ending up in scorn |
1780 |
root |
1.140 |
$pl->ob->reply (undef, |
1781 |
|
|
"There was an internal problem at your last logout, " |
1782 |
|
|
. "the server will try to bring you to your intended destination in a second.", |
1783 |
|
|
cf::NDI_RED); |
1784 |
root |
1.120 |
Coro::Timer::sleep 1; |
1785 |
|
|
$pl->ob->leave_link; |
1786 |
root |
1.139 |
})->prio (2); |
1787 |
root |
1.120 |
} |
1788 |
|
|
}, |
1789 |
|
|
); |
1790 |
|
|
|
1791 |
root |
1.136 |
=item $player_object->goto ($path, $x, $y) |
1792 |
root |
1.110 |
|
1793 |
|
|
=cut |
1794 |
|
|
|
1795 |
root |
1.136 |
sub cf::object::player::goto { |
1796 |
root |
1.110 |
my ($self, $path, $x, $y) = @_; |
1797 |
|
|
|
1798 |
|
|
$self->enter_link; |
1799 |
|
|
|
1800 |
root |
1.140 |
(async { |
1801 |
root |
1.166 |
my $map = cf::map::find $path; |
1802 |
|
|
$map = $map->customise_for ($self) if $map; |
1803 |
root |
1.110 |
|
1804 |
root |
1.119 |
# warn "entering ", $map->path, " at ($x, $y)\n" |
1805 |
|
|
# if $map; |
1806 |
root |
1.110 |
|
1807 |
root |
1.149 |
$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); |
1808 |
root |
1.115 |
|
1809 |
root |
1.110 |
$self->leave_link ($map, $x, $y); |
1810 |
|
|
})->prio (1); |
1811 |
|
|
} |
1812 |
|
|
|
1813 |
|
|
=item $player_object->enter_exit ($exit_object) |
1814 |
|
|
|
1815 |
|
|
=cut |
1816 |
|
|
|
1817 |
|
|
sub parse_random_map_params { |
1818 |
|
|
my ($spec) = @_; |
1819 |
|
|
|
1820 |
|
|
my $rmp = { # defaults |
1821 |
root |
1.181 |
xsize => (cf::rndm 15, 40), |
1822 |
|
|
ysize => (cf::rndm 15, 40), |
1823 |
|
|
symmetry => (cf::rndm 1, cf::SYMMETRY_XY), |
1824 |
root |
1.182 |
#layout => string, |
1825 |
root |
1.110 |
}; |
1826 |
|
|
|
1827 |
|
|
for (split /\n/, $spec) { |
1828 |
|
|
my ($k, $v) = split /\s+/, $_, 2; |
1829 |
|
|
|
1830 |
|
|
$rmp->{lc $k} = $v if (length $k) && (length $v); |
1831 |
|
|
} |
1832 |
|
|
|
1833 |
|
|
$rmp |
1834 |
|
|
} |
1835 |
|
|
|
1836 |
|
|
sub prepare_random_map { |
1837 |
|
|
my ($exit) = @_; |
1838 |
|
|
|
1839 |
root |
1.179 |
my $guard = cf::lock_acquire "exit_prepare:$exit"; |
1840 |
|
|
|
1841 |
root |
1.110 |
# all this does is basically replace the /! path by |
1842 |
|
|
# a new random map path (?random/...) with a seed |
1843 |
|
|
# that depends on the exit object |
1844 |
|
|
|
1845 |
|
|
my $rmp = parse_random_map_params $exit->msg; |
1846 |
|
|
|
1847 |
|
|
if ($exit->map) { |
1848 |
|
|
$rmp->{region} = $exit->map->region_name; |
1849 |
|
|
$rmp->{origin_map} = $exit->map->path; |
1850 |
|
|
$rmp->{origin_x} = $exit->x; |
1851 |
|
|
$rmp->{origin_y} = $exit->y; |
1852 |
|
|
} |
1853 |
|
|
|
1854 |
|
|
$rmp->{random_seed} ||= $exit->random_seed; |
1855 |
|
|
|
1856 |
|
|
my $data = cf::to_json $rmp; |
1857 |
|
|
my $md5 = Digest::MD5::md5_hex $data; |
1858 |
root |
1.177 |
my $meta = "$cf::RANDOM_MAPS/$md5.meta"; |
1859 |
root |
1.110 |
|
1860 |
root |
1.177 |
if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { |
1861 |
root |
1.110 |
aio_write $fh, 0, (length $data), $data, 0; |
1862 |
root |
1.177 |
undef $fh; |
1863 |
|
|
aio_rename "$meta~", $meta; |
1864 |
root |
1.110 |
|
1865 |
|
|
$exit->slaying ("?random/$md5"); |
1866 |
|
|
$exit->msg (undef); |
1867 |
|
|
} |
1868 |
|
|
} |
1869 |
|
|
|
1870 |
|
|
sub cf::object::player::enter_exit { |
1871 |
|
|
my ($self, $exit) = @_; |
1872 |
|
|
|
1873 |
|
|
return unless $self->type == cf::PLAYER; |
1874 |
|
|
|
1875 |
|
|
$self->enter_link; |
1876 |
|
|
|
1877 |
root |
1.140 |
(async { |
1878 |
root |
1.133 |
$self->deactivate_recursive; # just to be sure |
1879 |
root |
1.110 |
unless (eval { |
1880 |
|
|
prepare_random_map $exit |
1881 |
|
|
if $exit->slaying eq "/!"; |
1882 |
|
|
|
1883 |
root |
1.166 |
my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path; |
1884 |
root |
1.136 |
$self->goto ($path, $exit->stats->hp, $exit->stats->sp); |
1885 |
root |
1.110 |
|
1886 |
|
|
1; |
1887 |
|
|
}) { |
1888 |
|
|
$self->message ("Something went wrong deep within the crossfire server. " |
1889 |
|
|
. "I'll try to bring you back to the map you were before. " |
1890 |
root |
1.158 |
. "Please report this to the dungeon master!", |
1891 |
root |
1.110 |
cf::NDI_UNIQUE | cf::NDI_RED); |
1892 |
|
|
|
1893 |
|
|
warn "ERROR in enter_exit: $@"; |
1894 |
|
|
$self->leave_link; |
1895 |
|
|
} |
1896 |
|
|
})->prio (1); |
1897 |
|
|
} |
1898 |
|
|
|
1899 |
root |
1.95 |
=head3 cf::client |
1900 |
|
|
|
1901 |
|
|
=over 4 |
1902 |
|
|
|
1903 |
|
|
=item $client->send_drawinfo ($text, $flags) |
1904 |
|
|
|
1905 |
|
|
Sends a drawinfo packet to the client. Circumvents output buffering so |
1906 |
|
|
should not be used under normal circumstances. |
1907 |
|
|
|
1908 |
root |
1.70 |
=cut |
1909 |
|
|
|
1910 |
root |
1.95 |
sub cf::client::send_drawinfo { |
1911 |
|
|
my ($self, $text, $flags) = @_; |
1912 |
|
|
|
1913 |
|
|
utf8::encode $text; |
1914 |
|
|
$self->send_packet (sprintf "drawinfo %d %s", $flags, $text); |
1915 |
|
|
} |
1916 |
|
|
|
1917 |
|
|
|
1918 |
|
|
=item $success = $client->query ($flags, "text", \&cb) |
1919 |
|
|
|
1920 |
|
|
Queues a query to the client, calling the given callback with |
1921 |
|
|
the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, |
1922 |
|
|
C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. |
1923 |
|
|
|
1924 |
|
|
Queries can fail, so check the return code. Or don't, as queries will become |
1925 |
|
|
reliable at some point in the future. |
1926 |
|
|
|
1927 |
|
|
=cut |
1928 |
|
|
|
1929 |
|
|
sub cf::client::query { |
1930 |
|
|
my ($self, $flags, $text, $cb) = @_; |
1931 |
|
|
|
1932 |
|
|
return unless $self->state == ST_PLAYING |
1933 |
|
|
|| $self->state == ST_SETUP |
1934 |
|
|
|| $self->state == ST_CUSTOM; |
1935 |
|
|
|
1936 |
|
|
$self->state (ST_CUSTOM); |
1937 |
|
|
|
1938 |
|
|
utf8::encode $text; |
1939 |
|
|
push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; |
1940 |
|
|
|
1941 |
|
|
$self->send_packet ($self->{query_queue}[0][0]) |
1942 |
|
|
if @{ $self->{query_queue} } == 1; |
1943 |
|
|
} |
1944 |
|
|
|
1945 |
|
|
cf::client->attach ( |
1946 |
|
|
on_reply => sub { |
1947 |
|
|
my ($ns, $msg) = @_; |
1948 |
|
|
|
1949 |
|
|
# this weird shuffling is so that direct followup queries |
1950 |
|
|
# get handled first |
1951 |
root |
1.128 |
my $queue = delete $ns->{query_queue} |
1952 |
root |
1.129 |
or return; # be conservative, not sure how that can happen, but we saw a crash here |
1953 |
root |
1.95 |
|
1954 |
|
|
(shift @$queue)->[1]->($msg); |
1955 |
|
|
|
1956 |
|
|
push @{ $ns->{query_queue} }, @$queue; |
1957 |
|
|
|
1958 |
|
|
if (@{ $ns->{query_queue} } == @$queue) { |
1959 |
|
|
if (@$queue) { |
1960 |
|
|
$ns->send_packet ($ns->{query_queue}[0][0]); |
1961 |
|
|
} else { |
1962 |
root |
1.98 |
$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; |
1963 |
root |
1.95 |
} |
1964 |
|
|
} |
1965 |
|
|
}, |
1966 |
|
|
); |
1967 |
|
|
|
1968 |
root |
1.140 |
=item $client->async (\&cb) |
1969 |
root |
1.96 |
|
1970 |
|
|
Create a new coroutine, running the specified callback. The coroutine will |
1971 |
|
|
be automatically cancelled when the client gets destroyed (e.g. on logout, |
1972 |
|
|
or loss of connection). |
1973 |
|
|
|
1974 |
|
|
=cut |
1975 |
|
|
|
1976 |
root |
1.140 |
sub cf::client::async { |
1977 |
root |
1.96 |
my ($self, $cb) = @_; |
1978 |
|
|
|
1979 |
root |
1.140 |
my $coro = &Coro::async ($cb); |
1980 |
root |
1.103 |
|
1981 |
|
|
$coro->on_destroy (sub { |
1982 |
root |
1.96 |
delete $self->{_coro}{$coro+0}; |
1983 |
root |
1.103 |
}); |
1984 |
root |
1.96 |
|
1985 |
|
|
$self->{_coro}{$coro+0} = $coro; |
1986 |
root |
1.103 |
|
1987 |
|
|
$coro |
1988 |
root |
1.96 |
} |
1989 |
|
|
|
1990 |
|
|
cf::client->attach ( |
1991 |
|
|
on_destroy => sub { |
1992 |
|
|
my ($ns) = @_; |
1993 |
|
|
|
1994 |
root |
1.97 |
$_->cancel for values %{ (delete $ns->{_coro}) || {} }; |
1995 |
root |
1.96 |
}, |
1996 |
|
|
); |
1997 |
|
|
|
1998 |
root |
1.95 |
=back |
1999 |
|
|
|
2000 |
root |
1.70 |
|
2001 |
|
|
=head2 SAFE SCRIPTING |
2002 |
|
|
|
2003 |
|
|
Functions that provide a safe environment to compile and execute |
2004 |
|
|
snippets of perl code without them endangering the safety of the server |
2005 |
|
|
itself. Looping constructs, I/O operators and other built-in functionality |
2006 |
|
|
is not available in the safe scripting environment, and the number of |
2007 |
root |
1.79 |
functions and methods that can be called is greatly reduced. |
2008 |
root |
1.70 |
|
2009 |
|
|
=cut |
2010 |
root |
1.23 |
|
2011 |
root |
1.42 |
our $safe = new Safe "safe"; |
2012 |
root |
1.23 |
our $safe_hole = new Safe::Hole; |
2013 |
|
|
|
2014 |
|
|
$SIG{FPE} = 'IGNORE'; |
2015 |
|
|
|
2016 |
|
|
$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
2017 |
|
|
|
2018 |
root |
1.25 |
# here we export the classes and methods available to script code |
2019 |
|
|
|
2020 |
root |
1.70 |
=pod |
2021 |
|
|
|
2022 |
|
|
The following fucntions and emthods are available within a safe environment: |
2023 |
|
|
|
2024 |
elmex |
1.91 |
cf::object contr pay_amount pay_player map |
2025 |
root |
1.70 |
cf::object::player player |
2026 |
|
|
cf::player peaceful |
2027 |
elmex |
1.91 |
cf::map trigger |
2028 |
root |
1.70 |
|
2029 |
|
|
=cut |
2030 |
|
|
|
2031 |
root |
1.25 |
for ( |
2032 |
elmex |
1.91 |
["cf::object" => qw(contr pay_amount pay_player map)], |
2033 |
root |
1.25 |
["cf::object::player" => qw(player)], |
2034 |
|
|
["cf::player" => qw(peaceful)], |
2035 |
elmex |
1.91 |
["cf::map" => qw(trigger)], |
2036 |
root |
1.25 |
) { |
2037 |
|
|
no strict 'refs'; |
2038 |
|
|
my ($pkg, @funs) = @$_; |
2039 |
root |
1.41 |
*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
2040 |
root |
1.25 |
for @funs; |
2041 |
|
|
} |
2042 |
root |
1.23 |
|
2043 |
root |
1.70 |
=over 4 |
2044 |
|
|
|
2045 |
|
|
=item @retval = safe_eval $code, [var => value, ...] |
2046 |
|
|
|
2047 |
|
|
Compiled and executes the given perl code snippet. additional var/value |
2048 |
|
|
pairs result in temporary local (my) scalar variables of the given name |
2049 |
|
|
that are available in the code snippet. Example: |
2050 |
|
|
|
2051 |
|
|
my $five = safe_eval '$first + $second', first => 1, second => 4; |
2052 |
|
|
|
2053 |
|
|
=cut |
2054 |
|
|
|
2055 |
root |
1.23 |
sub safe_eval($;@) { |
2056 |
|
|
my ($code, %vars) = @_; |
2057 |
|
|
|
2058 |
|
|
my $qcode = $code; |
2059 |
|
|
$qcode =~ s/"/‟/g; # not allowed in #line filenames |
2060 |
|
|
$qcode =~ s/\n/\\n/g; |
2061 |
|
|
|
2062 |
|
|
local $_; |
2063 |
root |
1.41 |
local @safe::cf::_safe_eval_args = values %vars; |
2064 |
root |
1.23 |
|
2065 |
root |
1.42 |
my $eval = |
2066 |
root |
1.23 |
"do {\n" |
2067 |
|
|
. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" |
2068 |
|
|
. "#line 0 \"{$qcode}\"\n" |
2069 |
|
|
. $code |
2070 |
|
|
. "\n}" |
2071 |
root |
1.25 |
; |
2072 |
|
|
|
2073 |
|
|
sub_generation_inc; |
2074 |
root |
1.42 |
my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); |
2075 |
root |
1.25 |
sub_generation_inc; |
2076 |
|
|
|
2077 |
root |
1.42 |
if ($@) { |
2078 |
|
|
warn "$@"; |
2079 |
|
|
warn "while executing safe code '$code'\n"; |
2080 |
|
|
warn "with arguments " . (join " ", %vars) . "\n"; |
2081 |
|
|
} |
2082 |
|
|
|
2083 |
root |
1.25 |
wantarray ? @res : $res[0] |
2084 |
root |
1.23 |
} |
2085 |
|
|
|
2086 |
root |
1.69 |
=item cf::register_script_function $function => $cb |
2087 |
|
|
|
2088 |
|
|
Register a function that can be called from within map/npc scripts. The |
2089 |
|
|
function should be reasonably secure and should be put into a package name |
2090 |
|
|
like the extension. |
2091 |
|
|
|
2092 |
|
|
Example: register a function that gets called whenever a map script calls |
2093 |
|
|
C<rent::overview>, as used by the C<rent> extension. |
2094 |
|
|
|
2095 |
|
|
cf::register_script_function "rent::overview" => sub { |
2096 |
|
|
... |
2097 |
|
|
}; |
2098 |
|
|
|
2099 |
|
|
=cut |
2100 |
|
|
|
2101 |
root |
1.23 |
sub register_script_function { |
2102 |
|
|
my ($fun, $cb) = @_; |
2103 |
|
|
|
2104 |
|
|
no strict 'refs'; |
2105 |
root |
1.41 |
*{"safe::$fun"} = $safe_hole->wrap ($cb); |
2106 |
root |
1.23 |
} |
2107 |
|
|
|
2108 |
root |
1.70 |
=back |
2109 |
|
|
|
2110 |
root |
1.71 |
=cut |
2111 |
|
|
|
2112 |
root |
1.23 |
############################################################################# |
2113 |
root |
1.65 |
|
2114 |
|
|
=head2 EXTENSION DATABASE SUPPORT |
2115 |
|
|
|
2116 |
|
|
Crossfire maintains a very simple database for extension use. It can |
2117 |
|
|
currently store anything that can be serialised using Storable, which |
2118 |
|
|
excludes objects. |
2119 |
|
|
|
2120 |
|
|
The parameter C<$family> should best start with the name of the extension |
2121 |
|
|
using it, it should be unique. |
2122 |
|
|
|
2123 |
|
|
=over 4 |
2124 |
|
|
|
2125 |
|
|
=item $hashref = cf::db_get $family |
2126 |
|
|
|
2127 |
|
|
Return a hashref for use by the extension C<$family>, which can be |
2128 |
|
|
modified. After modifications, you have to call C<cf::db_dirty> or |
2129 |
|
|
C<cf::db_sync>. |
2130 |
|
|
|
2131 |
|
|
=item $value = cf::db_get $family => $key |
2132 |
|
|
|
2133 |
|
|
Returns a single value from the database |
2134 |
|
|
|
2135 |
|
|
=item cf::db_put $family => $hashref |
2136 |
|
|
|
2137 |
|
|
Stores the given family hashref into the database. Updates are delayed, if |
2138 |
|
|
you want the data to be synced to disk immediately, use C<cf::db_sync>. |
2139 |
|
|
|
2140 |
|
|
=item cf::db_put $family => $key => $value |
2141 |
|
|
|
2142 |
|
|
Stores the given C<$value> in the family hash. Updates are delayed, if you |
2143 |
|
|
want the data to be synced to disk immediately, use C<cf::db_sync>. |
2144 |
|
|
|
2145 |
|
|
=item cf::db_dirty |
2146 |
|
|
|
2147 |
|
|
Marks the database as dirty, to be updated at a later time. |
2148 |
|
|
|
2149 |
|
|
=item cf::db_sync |
2150 |
|
|
|
2151 |
|
|
Immediately write the database to disk I<if it is dirty>. |
2152 |
|
|
|
2153 |
|
|
=cut |
2154 |
|
|
|
2155 |
root |
1.78 |
our $DB; |
2156 |
|
|
|
2157 |
root |
1.65 |
{ |
2158 |
root |
1.66 |
my $path = cf::localdir . "/database.pst"; |
2159 |
root |
1.65 |
|
2160 |
|
|
sub db_load() { |
2161 |
root |
1.78 |
$DB = stat $path ? Storable::retrieve $path : { }; |
2162 |
root |
1.65 |
} |
2163 |
|
|
|
2164 |
|
|
my $pid; |
2165 |
|
|
|
2166 |
|
|
sub db_save() { |
2167 |
|
|
waitpid $pid, 0 if $pid; |
2168 |
root |
1.67 |
if (0 == ($pid = fork)) { |
2169 |
root |
1.78 |
$DB->{_meta}{version} = 1; |
2170 |
|
|
Storable::nstore $DB, "$path~"; |
2171 |
root |
1.65 |
rename "$path~", $path; |
2172 |
|
|
cf::_exit 0 if defined $pid; |
2173 |
|
|
} |
2174 |
|
|
} |
2175 |
|
|
|
2176 |
|
|
my $dirty; |
2177 |
|
|
|
2178 |
|
|
sub db_sync() { |
2179 |
|
|
db_save if $dirty; |
2180 |
|
|
undef $dirty; |
2181 |
|
|
} |
2182 |
|
|
|
2183 |
root |
1.183 |
my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub { |
2184 |
root |
1.65 |
db_sync; |
2185 |
|
|
}); |
2186 |
|
|
|
2187 |
|
|
sub db_dirty() { |
2188 |
|
|
$dirty = 1; |
2189 |
|
|
$idle->start; |
2190 |
|
|
} |
2191 |
|
|
|
2192 |
|
|
sub db_get($;$) { |
2193 |
|
|
@_ >= 2 |
2194 |
root |
1.78 |
? $DB->{$_[0]}{$_[1]} |
2195 |
|
|
: ($DB->{$_[0]} ||= { }) |
2196 |
root |
1.65 |
} |
2197 |
|
|
|
2198 |
|
|
sub db_put($$;$) { |
2199 |
|
|
if (@_ >= 3) { |
2200 |
root |
1.78 |
$DB->{$_[0]}{$_[1]} = $_[2]; |
2201 |
root |
1.65 |
} else { |
2202 |
root |
1.78 |
$DB->{$_[0]} = $_[1]; |
2203 |
root |
1.65 |
} |
2204 |
|
|
db_dirty; |
2205 |
|
|
} |
2206 |
root |
1.67 |
|
2207 |
root |
1.93 |
cf::global->attach ( |
2208 |
|
|
prio => 10000, |
2209 |
root |
1.67 |
on_cleanup => sub { |
2210 |
|
|
db_sync; |
2211 |
|
|
}, |
2212 |
root |
1.93 |
); |
2213 |
root |
1.65 |
} |
2214 |
|
|
|
2215 |
|
|
############################################################################# |
2216 |
root |
1.34 |
# the server's main() |
2217 |
|
|
|
2218 |
root |
1.73 |
sub cfg_load { |
2219 |
root |
1.72 |
open my $fh, "<:utf8", cf::confdir . "/config" |
2220 |
|
|
or return; |
2221 |
|
|
|
2222 |
|
|
local $/; |
2223 |
|
|
*CFG = YAML::Syck::Load <$fh>; |
2224 |
root |
1.131 |
|
2225 |
|
|
$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; |
2226 |
|
|
|
2227 |
root |
1.139 |
$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; |
2228 |
|
|
$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; |
2229 |
|
|
|
2230 |
root |
1.131 |
if (exists $CFG{mlockall}) { |
2231 |
|
|
eval { |
2232 |
root |
1.147 |
$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" |
2233 |
root |
1.131 |
and die "WARNING: m(un)lockall failed: $!\n"; |
2234 |
|
|
}; |
2235 |
|
|
warn $@ if $@; |
2236 |
|
|
} |
2237 |
root |
1.72 |
} |
2238 |
|
|
|
2239 |
root |
1.39 |
sub main { |
2240 |
root |
1.108 |
# we must not ever block the main coroutine |
2241 |
|
|
local $Coro::idle = sub { |
2242 |
root |
1.115 |
Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# |
2243 |
root |
1.175 |
(async { |
2244 |
|
|
Event::one_event; |
2245 |
|
|
})->prio (Coro::PRIO_MAX); |
2246 |
root |
1.108 |
}; |
2247 |
|
|
|
2248 |
root |
1.73 |
cfg_load; |
2249 |
root |
1.65 |
db_load; |
2250 |
root |
1.61 |
load_extensions; |
2251 |
root |
1.183 |
|
2252 |
|
|
$TICK_WATCHER->start; |
2253 |
root |
1.34 |
Event::loop; |
2254 |
|
|
} |
2255 |
|
|
|
2256 |
|
|
############################################################################# |
2257 |
root |
1.155 |
# initialisation and cleanup |
2258 |
|
|
|
2259 |
|
|
# install some emergency cleanup handlers |
2260 |
|
|
BEGIN { |
2261 |
|
|
for my $signal (qw(INT HUP TERM)) { |
2262 |
|
|
Event->signal ( |
2263 |
|
|
data => WF_AUTOCANCEL, |
2264 |
|
|
signal => $signal, |
2265 |
|
|
cb => sub { |
2266 |
|
|
cf::cleanup "SIG$signal"; |
2267 |
|
|
}, |
2268 |
|
|
); |
2269 |
|
|
} |
2270 |
|
|
} |
2271 |
|
|
|
2272 |
root |
1.156 |
sub emergency_save() { |
2273 |
root |
1.155 |
my $freeze_guard = cf::freeze_mainloop; |
2274 |
|
|
|
2275 |
|
|
warn "enter emergency perl save\n"; |
2276 |
|
|
|
2277 |
|
|
cf::sync_job { |
2278 |
|
|
# use a peculiar iteration method to avoid tripping on perl |
2279 |
|
|
# refcount bugs in for. also avoids problems with players |
2280 |
root |
1.167 |
# and maps saved/destroyed asynchronously. |
2281 |
root |
1.155 |
warn "begin emergency player save\n"; |
2282 |
|
|
for my $login (keys %cf::PLAYER) { |
2283 |
|
|
my $pl = $cf::PLAYER{$login} or next; |
2284 |
|
|
$pl->valid or next; |
2285 |
|
|
$pl->save; |
2286 |
|
|
} |
2287 |
|
|
warn "end emergency player save\n"; |
2288 |
|
|
|
2289 |
|
|
warn "begin emergency map save\n"; |
2290 |
|
|
for my $path (keys %cf::MAP) { |
2291 |
|
|
my $map = $cf::MAP{$path} or next; |
2292 |
|
|
$map->valid or next; |
2293 |
|
|
$map->save; |
2294 |
|
|
} |
2295 |
|
|
warn "end emergency map save\n"; |
2296 |
|
|
}; |
2297 |
|
|
|
2298 |
|
|
warn "leave emergency perl save\n"; |
2299 |
|
|
} |
2300 |
root |
1.22 |
|
2301 |
root |
1.111 |
sub reload() { |
2302 |
root |
1.106 |
# can/must only be called in main |
2303 |
|
|
if ($Coro::current != $Coro::main) { |
2304 |
root |
1.183 |
warn "can only reload from main coroutine"; |
2305 |
root |
1.106 |
return; |
2306 |
|
|
} |
2307 |
|
|
|
2308 |
root |
1.103 |
warn "reloading..."; |
2309 |
|
|
|
2310 |
root |
1.183 |
warn "cancelling server ticker"; |
2311 |
|
|
$TICK_WATCHER->cancel; |
2312 |
|
|
|
2313 |
root |
1.106 |
cf::emergency_save; |
2314 |
|
|
|
2315 |
root |
1.103 |
eval { |
2316 |
root |
1.106 |
# if anything goes wrong in here, we should simply crash as we already saved |
2317 |
root |
1.65 |
|
2318 |
root |
1.183 |
warn "syncing database to disk"; |
2319 |
|
|
cf::db_sync; |
2320 |
|
|
|
2321 |
|
|
warn "cancelling all WF_AUTOCANCEL watchers"; |
2322 |
root |
1.87 |
for (Event::all_watchers) { |
2323 |
|
|
$_->cancel if $_->data & WF_AUTOCANCEL; |
2324 |
|
|
} |
2325 |
root |
1.65 |
|
2326 |
root |
1.183 |
warn "flushing outstanding aio requests"; |
2327 |
|
|
for (;;) { |
2328 |
|
|
IO::AIO::flush; |
2329 |
|
|
Coro::cede; |
2330 |
|
|
last unless IO::AIO::nreqs; |
2331 |
|
|
warn "iterate..."; |
2332 |
|
|
} |
2333 |
|
|
|
2334 |
|
|
warn "cancelling all extension coros"; |
2335 |
root |
1.103 |
$_->cancel for values %EXT_CORO; |
2336 |
|
|
%EXT_CORO = (); |
2337 |
|
|
|
2338 |
root |
1.183 |
warn "removing commands"; |
2339 |
root |
1.159 |
%COMMAND = (); |
2340 |
|
|
|
2341 |
root |
1.183 |
warn "removing ext commands"; |
2342 |
root |
1.159 |
%EXTCMD = (); |
2343 |
|
|
|
2344 |
root |
1.183 |
warn "unloading/nuking all extensions"; |
2345 |
root |
1.159 |
for my $pkg (@EXTS) { |
2346 |
root |
1.160 |
warn "... unloading $pkg"; |
2347 |
root |
1.159 |
|
2348 |
|
|
if (my $cb = $pkg->can ("unload")) { |
2349 |
|
|
eval { |
2350 |
|
|
$cb->($pkg); |
2351 |
|
|
1 |
2352 |
|
|
} or warn "$pkg unloaded, but with errors: $@"; |
2353 |
|
|
} |
2354 |
|
|
|
2355 |
root |
1.160 |
warn "... nuking $pkg"; |
2356 |
root |
1.159 |
Symbol::delete_package $pkg; |
2357 |
root |
1.65 |
} |
2358 |
|
|
|
2359 |
root |
1.183 |
warn "unloading all perl modules loaded from $LIBDIR"; |
2360 |
root |
1.65 |
while (my ($k, $v) = each %INC) { |
2361 |
|
|
next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
2362 |
|
|
|
2363 |
root |
1.183 |
warn "... unloading $k"; |
2364 |
root |
1.65 |
delete $INC{$k}; |
2365 |
|
|
|
2366 |
|
|
$k =~ s/\.pm$//; |
2367 |
|
|
$k =~ s/\//::/g; |
2368 |
|
|
|
2369 |
|
|
if (my $cb = $k->can ("unload_module")) { |
2370 |
|
|
$cb->(); |
2371 |
|
|
} |
2372 |
|
|
|
2373 |
|
|
Symbol::delete_package $k; |
2374 |
|
|
} |
2375 |
|
|
|
2376 |
root |
1.183 |
warn "getting rid of safe::, as good as possible"; |
2377 |
root |
1.65 |
Symbol::delete_package "safe::$_" |
2378 |
root |
1.103 |
for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); |
2379 |
root |
1.65 |
|
2380 |
root |
1.183 |
warn "unloading cf.pm \"a bit\""; |
2381 |
root |
1.65 |
delete $INC{"cf.pm"}; |
2382 |
|
|
|
2383 |
|
|
# don't, removes xs symbols, too, |
2384 |
|
|
# and global variables created in xs |
2385 |
|
|
#Symbol::delete_package __PACKAGE__; |
2386 |
|
|
|
2387 |
root |
1.183 |
warn "unload completed, starting to reload now"; |
2388 |
|
|
|
2389 |
root |
1.103 |
warn "reloading cf.pm"; |
2390 |
root |
1.65 |
require cf; |
2391 |
root |
1.100 |
cf::_connect_to_perl; # nominally unnecessary, but cannot hurt |
2392 |
|
|
|
2393 |
root |
1.183 |
warn "loading config and database again"; |
2394 |
root |
1.73 |
cf::cfg_load; |
2395 |
root |
1.65 |
cf::db_load; |
2396 |
|
|
|
2397 |
root |
1.183 |
warn "loading extensions"; |
2398 |
root |
1.65 |
cf::load_extensions; |
2399 |
|
|
|
2400 |
root |
1.183 |
warn "reattaching attachments to objects/players"; |
2401 |
root |
1.65 |
_global_reattach; |
2402 |
root |
1.183 |
warn "reattaching attachments to maps"; |
2403 |
root |
1.144 |
reattach $_ for values %MAP; |
2404 |
root |
1.183 |
|
2405 |
|
|
warn "restarting server ticker"; |
2406 |
|
|
|
2407 |
|
|
$TICK_WATCHER->start; |
2408 |
root |
1.65 |
}; |
2409 |
|
|
|
2410 |
root |
1.106 |
if ($@) { |
2411 |
|
|
warn $@; |
2412 |
|
|
warn "error while reloading, exiting."; |
2413 |
|
|
exit 1; |
2414 |
|
|
} |
2415 |
|
|
|
2416 |
root |
1.159 |
warn "reloaded"; |
2417 |
root |
1.65 |
}; |
2418 |
|
|
|
2419 |
root |
1.175 |
our $RELOAD_WATCHER; # used only during reload |
2420 |
|
|
|
2421 |
root |
1.111 |
register_command "reload" => sub { |
2422 |
root |
1.65 |
my ($who, $arg) = @_; |
2423 |
|
|
|
2424 |
|
|
if ($who->flag (FLAG_WIZ)) { |
2425 |
root |
1.175 |
$who->message ("reloading server."); |
2426 |
|
|
|
2427 |
|
|
# doing reload synchronously and two reloads happen back-to-back, |
2428 |
|
|
# coro crashes during coro_state_free->destroy here. |
2429 |
|
|
|
2430 |
|
|
$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub { |
2431 |
|
|
reload; |
2432 |
|
|
undef $RELOAD_WATCHER; |
2433 |
|
|
}); |
2434 |
root |
1.65 |
} |
2435 |
|
|
}; |
2436 |
|
|
|
2437 |
root |
1.27 |
unshift @INC, $LIBDIR; |
2438 |
root |
1.17 |
|
2439 |
root |
1.183 |
my $bug_warning = 0; |
2440 |
|
|
|
2441 |
root |
1.35 |
$TICK_WATCHER = Event->timer ( |
2442 |
root |
1.104 |
reentrant => 0, |
2443 |
root |
1.183 |
parked => 1, |
2444 |
root |
1.104 |
prio => 0, |
2445 |
|
|
at => $NEXT_TICK || $TICK, |
2446 |
|
|
data => WF_AUTOCANCEL, |
2447 |
|
|
cb => sub { |
2448 |
root |
1.183 |
if ($Coro::current != $Coro::main) { |
2449 |
|
|
Carp::cluck "major BUG: server tick called outside of main coro, skipping it" |
2450 |
|
|
unless ++$bug_warning > 10; |
2451 |
|
|
return; |
2452 |
|
|
} |
2453 |
|
|
|
2454 |
root |
1.163 |
$NOW = Event::time; |
2455 |
|
|
|
2456 |
root |
1.133 |
cf::server_tick; # one server iteration |
2457 |
|
|
$RUNTIME += $TICK; |
2458 |
root |
1.35 |
$NEXT_TICK += $TICK; |
2459 |
|
|
|
2460 |
root |
1.155 |
$WAIT_FOR_TICK->broadcast; |
2461 |
|
|
$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; |
2462 |
|
|
|
2463 |
root |
1.78 |
# if we are delayed by four ticks or more, skip them all |
2464 |
root |
1.103 |
$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; |
2465 |
root |
1.35 |
|
2466 |
|
|
$TICK_WATCHER->at ($NEXT_TICK); |
2467 |
|
|
$TICK_WATCHER->start; |
2468 |
|
|
}, |
2469 |
|
|
); |
2470 |
|
|
|
2471 |
root |
1.80 |
IO::AIO::max_poll_time $TICK * 0.2; |
2472 |
root |
1.77 |
|
2473 |
root |
1.168 |
$AIO_POLL_WATCHER = Event->io ( |
2474 |
root |
1.108 |
fd => IO::AIO::poll_fileno, |
2475 |
|
|
poll => 'r', |
2476 |
|
|
prio => 5, |
2477 |
|
|
data => WF_AUTOCANCEL, |
2478 |
|
|
cb => \&IO::AIO::poll_cb, |
2479 |
|
|
); |
2480 |
|
|
|
2481 |
root |
1.168 |
$WRITE_RUNTIME_WATCHER = Event->timer ( |
2482 |
root |
1.108 |
data => WF_AUTOCANCEL, |
2483 |
root |
1.183 |
after => 1, |
2484 |
root |
1.108 |
interval => 10, |
2485 |
root |
1.186 |
prio => 6, # keep it lowest so it acts like a watchdog |
2486 |
root |
1.183 |
cb => Coro::unblock_sub { |
2487 |
|
|
write_runtime |
2488 |
|
|
or warn "ERROR: unable to write runtime file: $!"; |
2489 |
root |
1.108 |
}, |
2490 |
|
|
); |
2491 |
root |
1.103 |
|
2492 |
root |
1.125 |
END { cf::emergency_save } |
2493 |
|
|
|
2494 |
root |
1.1 |
1 |
2495 |
|
|
|