| 1 | package cf; |
1 | package cf; |
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2 | |
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3 | use utf8; |
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4 | use strict; |
| 2 | |
5 | |
| 3 | use Symbol; |
6 | use Symbol; |
| 4 | use List::Util; |
7 | use List::Util; |
| 5 | use Storable; |
8 | use Storable; |
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9 | use Opcode; |
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10 | use Safe; |
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11 | use Safe::Hole; |
| 6 | |
12 | |
| 7 | use strict; |
13 | use Coro 3.4 (); |
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14 | use Coro::Event; |
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15 | use Coro::Timer; |
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16 | use Coro::Signal; |
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17 | use Coro::Semaphore; |
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18 | use Coro::AIO; |
| 8 | |
19 | |
| 9 | our %COMMAND; |
20 | use Data::Dumper; |
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21 | use Digest::MD5; |
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22 | use Fcntl; |
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23 | use IO::AIO 2.32 (); |
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24 | use YAML::Syck (); |
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25 | use Time::HiRes; |
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26 | |
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27 | use Event; $Event::Eval = 1; # no idea why this is required, but it is |
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28 | |
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29 | sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload |
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30 | |
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31 | # work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? |
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32 | $YAML::Syck::ImplicitUnicode = 1; |
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33 | |
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34 | $Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority |
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35 | |
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36 | our %COMMAND = (); |
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37 | our %COMMAND_TIME = (); |
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38 | |
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39 | our @EXTS = (); # list of extension package names |
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40 | our %EXTCMD = (); |
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41 | our %EXT_CORO = (); # coroutines bound to extensions |
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42 | our %EXT_MAP = (); # pluggable maps |
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43 | |
| 10 | our @EVENT; |
44 | our @EVENT; |
| 11 | our %PROP_TYPE; |
45 | our $LIBDIR = datadir . "/ext"; |
| 12 | our %PROP_IDX; |
46 | |
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47 | our $TICK = MAX_TIME * 1e-6; |
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48 | our $TICK_WATCHER; |
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49 | our $AIO_POLL_WATCHER; |
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50 | our $WRITE_RUNTIME_WATCHER; |
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51 | our $NEXT_TICK; |
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52 | our $NOW; |
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53 | |
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54 | our %CFG; |
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55 | |
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56 | our $UPTIME; $UPTIME ||= time; |
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57 | our $RUNTIME; |
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58 | |
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59 | our %PLAYER; # all users |
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60 | our %MAP; # all maps |
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61 | our $LINK_MAP; # the special {link} map, which is always available |
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62 | our $RANDOM_MAPS = cf::localdir . "/random"; |
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63 | |
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64 | our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; |
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65 | our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; |
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66 | |
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67 | # used to convert map paths into valid unix filenames by replacing / by ∕ |
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68 | our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons |
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69 | |
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70 | binmode STDOUT; |
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71 | binmode STDERR; |
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72 | |
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73 | # read virtual server time, if available |
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74 | unless ($RUNTIME || !-e cf::localdir . "/runtime") { |
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75 | open my $fh, "<", cf::localdir . "/runtime" |
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76 | or die "unable to read runtime file: $!"; |
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77 | $RUNTIME = <$fh> + 0.; |
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78 | } |
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79 | |
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80 | mkdir cf::localdir; |
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81 | mkdir cf::localdir . "/" . cf::playerdir; |
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82 | mkdir cf::localdir . "/" . cf::tmpdir; |
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83 | mkdir cf::localdir . "/" . cf::uniquedir; |
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84 | mkdir $RANDOM_MAPS; |
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85 | |
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86 | our $EMERGENCY_POSITION; |
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87 | |
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88 | ############################################################################# |
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89 | |
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90 | =head2 GLOBAL VARIABLES |
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91 | |
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92 | =over 4 |
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93 | |
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94 | =item $cf::UPTIME |
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95 | |
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96 | The timestamp of the server start (so not actually an uptime). |
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97 | |
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98 | =item $cf::RUNTIME |
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99 | |
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100 | The time this server has run, starts at 0 and is increased by $cf::TICK on |
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101 | every server tick. |
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102 | |
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103 | =item $cf::LIBDIR |
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104 | |
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105 | The perl library directory, where extensions and cf-specific modules can |
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106 | be found. It will be added to C<@INC> automatically. |
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107 | |
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108 | =item $cf::NOW |
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109 | |
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110 | The time of the last (current) server tick. |
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111 | |
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112 | =item $cf::TICK |
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113 | |
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114 | The interval between server ticks, in seconds. |
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115 | |
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116 | =item %cf::CFG |
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117 | |
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118 | Configuration for the server, loaded from C</etc/crossfire/config>, or |
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119 | from wherever your confdir points to. |
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120 | |
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121 | =item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE |
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122 | |
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123 | These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) |
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124 | or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick |
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125 | processing has been done. Call C<< ->wait >> on them to maximise the |
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126 | window of cpu time available, or simply to synchronise to the server tick. |
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127 | |
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128 | =back |
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129 | |
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130 | =cut |
| 13 | |
131 | |
| 14 | BEGIN { |
132 | BEGIN { |
| 15 | @EVENT = map lc, @EVENT; |
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| 16 | |
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| 17 | *CORE::GLOBAL::warn = sub { |
133 | *CORE::GLOBAL::warn = sub { |
| 18 | my $msg = join "", @_; |
134 | my $msg = join "", @_; |
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135 | utf8::encode $msg; |
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136 | |
| 19 | $msg .= "\n" |
137 | $msg .= "\n" |
| 20 | unless $msg =~ /\n$/; |
138 | unless $msg =~ /\n$/; |
| 21 | |
139 | |
| 22 | print STDERR "cfperl: $msg"; |
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| 23 | LOG llevError, "cfperl: $msg"; |
140 | LOG llevError, $msg; |
| 24 | }; |
141 | }; |
| 25 | } |
142 | } |
| 26 | |
143 | |
| 27 | my %ignore_set = (MAP_PROP_PATH => 1); # I hate the plug-in api. Deeply! |
144 | @safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; |
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145 | @safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; |
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146 | @safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; |
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147 | @safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; |
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148 | @safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; |
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149 | @safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
| 28 | |
150 | |
| 29 | # generate property mutators |
151 | # we bless all objects into (empty) derived classes to force a method lookup |
| 30 | sub prop_gen { |
152 | # within the Safe compartment. |
| 31 | my ($prefix, $class) = @_; |
153 | for my $pkg (qw( |
| 32 | |
154 | cf::global cf::attachable |
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155 | cf::object cf::object::player |
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156 | cf::client cf::player |
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157 | cf::arch cf::living |
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158 | cf::map cf::party cf::region |
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159 | )) { |
| 33 | no strict 'refs'; |
160 | no strict 'refs'; |
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161 | @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
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162 | } |
| 34 | |
163 | |
| 35 | for my $prop (keys %PROP_TYPE) { |
164 | $Event::DIED = sub { |
| 36 | $prop =~ /^\Q$prefix\E_(.*$)/ or next; |
165 | warn "error in event callback: @_"; |
| 37 | my $sub = lc $1; |
166 | }; |
| 38 | |
167 | |
| 39 | my $type = $PROP_TYPE{$prop}; |
168 | =head2 UTILITY FUNCTIONS |
| 40 | my $idx = $PROP_IDX {$prop}; |
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| 41 | |
169 | |
| 42 | *{"$class\::get_$sub"} = *{"$class\::$sub"} = sub { |
170 | =over 4 |
| 43 | $_[0]->get_property ($type, $idx) |
171 | |
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172 | =item dumpval $ref |
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173 | |
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174 | =cut |
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175 | |
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176 | sub dumpval { |
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177 | eval { |
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178 | local $SIG{__DIE__}; |
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179 | my $d; |
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180 | if (1) { |
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181 | $d = new Data::Dumper([$_[0]], ["*var"]); |
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182 | $d->Terse(1); |
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183 | $d->Indent(2); |
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184 | $d->Quotekeys(0); |
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185 | $d->Useqq(1); |
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186 | #$d->Bless(...); |
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187 | $d->Seen($_[1]) if @_ > 1; |
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188 | $d = $d->Dump(); |
| 44 | }; |
189 | } |
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190 | $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; |
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191 | $d |
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192 | } || "[unable to dump $_[0]: '$@']"; |
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193 | } |
| 45 | |
194 | |
| 46 | *{"$class\::set_$sub"} = sub { |
195 | use JSON::Syck (); # TODO# replace by JSON::PC once working |
| 47 | $_[0]->set_property ($type, $idx, $_[1]); |
196 | |
| 48 | } unless $ignore_set{$prop}; |
197 | =item $ref = cf::from_json $json |
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198 | |
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199 | Converts a JSON string into the corresponding perl data structure. |
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200 | |
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201 | =cut |
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202 | |
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203 | sub from_json($) { |
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204 | $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs |
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205 | JSON::Syck::Load $_[0] |
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206 | } |
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207 | |
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208 | =item $json = cf::to_json $ref |
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209 | |
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210 | Converts a perl data structure into its JSON representation. |
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211 | |
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212 | =cut |
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213 | |
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214 | sub to_json($) { |
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215 | $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
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216 | JSON::Syck::Dump $_[0] |
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217 | } |
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218 | |
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219 | =item cf::lock_wait $string |
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220 | |
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221 | Wait until the given lock is available. See cf::lock_acquire. |
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222 | |
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223 | =item my $lock = cf::lock_acquire $string |
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224 | |
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225 | Wait until the given lock is available and then acquires it and returns |
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226 | a Coro::guard object. If the guard object gets destroyed (goes out of scope, |
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227 | for example when the coroutine gets canceled), the lock is automatically |
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228 | returned. |
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229 | |
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230 | Lock names should begin with a unique identifier (for example, cf::map::find |
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231 | uses map_find and cf::map::load uses map_load). |
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232 | |
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233 | =cut |
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234 | |
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235 | our %LOCK; |
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236 | |
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237 | sub lock_wait($) { |
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238 | my ($key) = @_; |
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239 | |
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240 | # wait for lock, if any |
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241 | while ($LOCK{$key}) { |
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242 | push @{ $LOCK{$key} }, $Coro::current; |
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243 | Coro::schedule; |
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244 | } |
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245 | } |
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246 | |
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247 | sub lock_acquire($) { |
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248 | my ($key) = @_; |
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249 | |
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250 | # wait, to be sure we are not locked |
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251 | lock_wait $key; |
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252 | |
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253 | $LOCK{$key} = []; |
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254 | |
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255 | Coro::guard { |
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256 | # wake up all waiters, to be on the safe side |
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257 | $_->ready for @{ delete $LOCK{$key} }; |
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258 | } |
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259 | } |
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260 | |
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261 | sub freeze_mainloop { |
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262 | return unless $TICK_WATCHER->is_active; |
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263 | |
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264 | my $guard = Coro::guard { |
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265 | $TICK_WATCHER->start; |
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266 | $WRITE_RUNTIME_WATCHER->start; |
| 49 | } |
267 | }; |
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268 | $WRITE_RUNTIME_WATCHER->stop; |
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269 | $TICK_WATCHER->stop; |
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270 | $guard |
| 50 | } |
271 | } |
| 51 | |
272 | |
| 52 | # auto-generate most of the API |
273 | =item cf::async { BLOCK } |
| 53 | |
274 | |
| 54 | prop_gen OBJECT_PROP => "cf::object"; |
275 | Currently the same as Coro::async_pool, meaning you cannot use |
| 55 | # CFAPI_OBJECT_ANIMATION? |
276 | C<on_destroy>, C<join> or other gimmicks on these coroutines. The only |
| 56 | prop_gen PLAYER_PROP => "cf::object::player"; |
277 | thing you are allowed to do is call C<prio> on it. |
| 57 | |
278 | |
| 58 | prop_gen MAP_PROP => "cf::map"; |
279 | =cut |
| 59 | prop_gen ARCH_PROP => "cf::arch"; |
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| 60 | |
280 | |
| 61 | # guessed hierarchies |
281 | BEGIN { *async = \&Coro::async_pool } |
| 62 | |
282 | |
| 63 | @cf::object::player::ISA = 'cf::object'; |
283 | =item cf::sync_job { BLOCK } |
| 64 | @cf::object::map::ISA = 'cf::object'; |
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| 65 | |
284 | |
| 66 | my %ext_pkg; |
285 | The design of crossfire+ requires that the main coro ($Coro::main) is |
| 67 | my @exts; |
286 | always able to handle events or runnable, as crossfire+ is only partly |
| 68 | my @hook; |
287 | reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. |
| 69 | my %command; |
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| 70 | |
288 | |
| 71 | sub inject_event { |
289 | If it must be done, put the blocking parts into C<sync_job>. This will run |
| 72 | my $extension = shift; |
290 | the given BLOCK in another coroutine while waiting for the result. The |
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291 | server will be frozen during this time, so the block should either finish |
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292 | fast or be very important. |
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293 | |
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294 | =cut |
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295 | |
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296 | sub sync_job(&) { |
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297 | my ($job) = @_; |
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298 | |
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299 | if ($Coro::current == $Coro::main) { |
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300 | # this is the main coro, too bad, we have to block |
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301 | # till the operation succeeds, freezing the server :/ |
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302 | |
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303 | # TODO: use suspend/resume instead |
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304 | # (but this is cancel-safe) |
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305 | my $freeze_guard = freeze_mainloop; |
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306 | |
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307 | my $busy = 1; |
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308 | my @res; |
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309 | |
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310 | (async { |
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311 | @res = eval { $job->() }; |
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312 | warn $@ if $@; |
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313 | undef $busy; |
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314 | })->prio (Coro::PRIO_MAX); |
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315 | |
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316 | while ($busy) { |
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317 | Coro::cede or Event::one_event; |
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318 | } |
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319 | |
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320 | wantarray ? @res : $res[0] |
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321 | } else { |
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322 | # we are in another coroutine, how wonderful, everything just works |
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323 | |
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324 | $job->() |
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325 | } |
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326 | } |
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327 | |
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328 | =item $coro = cf::async_ext { BLOCK } |
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329 | |
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330 | Like async, but this coro is automatically being canceled when the |
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331 | extension calling this is being unloaded. |
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332 | |
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333 | =cut |
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334 | |
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335 | sub async_ext(&) { |
| 73 | my $event_code = shift; |
336 | my $cb = shift; |
| 74 | |
337 | |
| 75 | my $cb = $hook[$event_code]{$extension} |
338 | my $coro = &Coro::async ($cb); |
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339 | |
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340 | $coro->on_destroy (sub { |
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341 | delete $EXT_CORO{$coro+0}; |
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342 | }); |
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343 | $EXT_CORO{$coro+0} = $coro; |
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344 | |
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345 | $coro |
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346 | } |
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347 | |
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348 | sub write_runtime { |
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349 | my $runtime = cf::localdir . "/runtime"; |
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350 | |
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351 | my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 |
| 76 | or return; |
352 | or return; |
| 77 | |
353 | |
| 78 | &$cb |
354 | my $value = $cf::RUNTIME + 90 + 10; |
| 79 | } |
355 | # 10 is the runtime save interval, for a monotonic clock |
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356 | # 60 allows for the watchdog to kill the server. |
| 80 | |
357 | |
| 81 | sub inject_global_event { |
358 | (aio_write $fh, 0, (length $value), $value, 0) <= 0 |
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359 | and return; |
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360 | |
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361 | aio_fsync $fh |
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362 | and return; |
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363 | |
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364 | close $fh |
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365 | or return; |
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366 | |
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367 | aio_rename "$runtime~", $runtime |
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368 | and return; |
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369 | |
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370 | 1 |
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371 | } |
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372 | |
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373 | =back |
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374 | |
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375 | =cut |
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376 | |
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377 | ############################################################################# |
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378 | |
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379 | =head2 ATTACHABLE OBJECTS |
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380 | |
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381 | Many objects in crossfire are so-called attachable objects. That means you can |
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382 | attach callbacks/event handlers (a collection of which is called an "attachment") |
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383 | to it. All such attachable objects support the following methods. |
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384 | |
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385 | In the following description, CLASS can be any of C<global>, C<object> |
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386 | C<player>, C<client> or C<map> (i.e. the attachable objects in |
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387 | crossfire+). |
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388 | |
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389 | =over 4 |
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390 | |
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391 | =item $attachable->attach ($attachment, key => $value...) |
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392 | |
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393 | =item $attachable->detach ($attachment) |
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394 | |
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395 | Attach/detach a pre-registered attachment to a specific object and give it |
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396 | the specified key/value pairs as arguments. |
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397 | |
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398 | Example, attach a minesweeper attachment to the given object, making it a |
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399 | 10x10 minesweeper game: |
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400 | |
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401 | $obj->attach (minesweeper => width => 10, height => 10); |
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402 | |
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403 | =item $bool = $attachable->attached ($name) |
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404 | |
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405 | Checks wether the named attachment is currently attached to the object. |
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406 | |
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407 | =item cf::CLASS->attach ... |
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408 | |
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409 | =item cf::CLASS->detach ... |
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410 | |
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411 | Define an anonymous attachment and attach it to all objects of the given |
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412 | CLASS. See the next function for an explanation of its arguments. |
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413 | |
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414 | You can attach to global events by using the C<cf::global> class. |
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415 | |
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416 | Example, log all player logins: |
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417 | |
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418 | cf::player->attach ( |
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419 | on_login => sub { |
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420 | my ($pl) = @_; |
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421 | ... |
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422 | }, |
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423 | ); |
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424 | |
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425 | Example, attach to the jeweler skill: |
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426 | |
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427 | cf::object->attach ( |
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428 | type => cf::SKILL, |
|
|
429 | subtype => cf::SK_JEWELER, |
|
|
430 | on_use_skill => sub { |
|
|
431 | my ($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 | |
|
|
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 | =item type => $type |
|
|
457 | |
|
|
458 | (Only for C<< cf::object->attach >> calls), limits the attachment to the |
|
|
459 | given type of objects only (the additional parameter C<subtype> can be |
|
|
460 | used to further limit to the given subtype). |
|
|
461 | |
|
|
462 | =item on_I<event> => \&cb |
|
|
463 | |
|
|
464 | Call the given code reference whenever the named event happens (event is |
|
|
465 | something like C<instantiate>, C<apply>, C<use_skill> and so on, and which |
|
|
466 | handlers are recognised generally depends on the type of object these |
|
|
467 | handlers attach to). |
|
|
468 | |
|
|
469 | See F<include/eventinc.h> for the full list of events supported, and their |
|
|
470 | class. |
|
|
471 | |
|
|
472 | =item package => package:: |
|
|
473 | |
|
|
474 | Look for sub functions of the name C<< on_I<event> >> in the given |
|
|
475 | package and register them. Only handlers for eevents supported by the |
|
|
476 | object/class are recognised. |
|
|
477 | |
|
|
478 | =back |
|
|
479 | |
|
|
480 | Example, define an attachment called "sockpuppet" that calls the given |
|
|
481 | event handler when a monster attacks: |
|
|
482 | |
|
|
483 | cf::object::attachment sockpuppet => |
|
|
484 | on_skill_attack => sub { |
|
|
485 | my ($self, $victim) = @_; |
|
|
486 | ... |
|
|
487 | } |
|
|
488 | } |
|
|
489 | |
|
|
490 | =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 | =cut |
|
|
499 | |
|
|
500 | # the following variables are defined in .xs and must not be re-created |
|
|
501 | 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 | |
|
|
509 | my %attachment; |
|
|
510 | |
|
|
511 | sub cf::attachable::thawer_merge { |
|
|
512 | # simply override everything except _meta |
|
|
513 | local $_[0]{_meta}; |
|
|
514 | %{$_[0]} = %{$_[1]}; |
|
|
515 | } |
|
|
516 | |
|
|
517 | sub _attach_cb($$$$) { |
|
|
518 | my ($registry, $event, $prio, $cb) = @_; |
|
|
519 | |
|
|
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 | # hack |
|
|
530 | my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP; |
|
|
531 | |
|
|
532 | # 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 | sub _attach { |
|
|
536 | my ($registry, $klass, @arg) = @_; |
|
|
537 | |
|
|
538 | my $object_type; |
|
|
539 | my $prio = 0; |
|
|
540 | my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT; |
|
|
541 | |
|
|
542 | #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 | while (@arg) { |
|
|
548 | my $type = shift @arg; |
|
|
549 | |
|
|
550 | if ($type eq "prio") { |
|
|
551 | $prio = shift @arg; |
|
|
552 | |
|
|
553 | } 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 | } elsif ($type eq "package") { |
|
|
563 | my $pkg = shift @arg; |
|
|
564 | |
|
|
565 | while (my ($name, $id) = each %cb_id) { |
|
|
566 | if (my $cb = $pkg->can ($name)) { |
|
|
567 | _attach_cb $registry, $id, $prio, $cb; |
|
|
568 | } |
|
|
569 | } |
|
|
570 | |
|
|
571 | } elsif (exists $cb_id{$type}) { |
|
|
572 | _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; |
|
|
573 | |
|
|
574 | } elsif (ref $type) { |
|
|
575 | warn "attaching objects not supported, ignoring.\n"; |
|
|
576 | |
|
|
577 | } else { |
|
|
578 | shift @arg; |
|
|
579 | warn "attach argument '$type' not supported, ignoring.\n"; |
|
|
580 | } |
|
|
581 | } |
|
|
582 | } |
|
|
583 | |
|
|
584 | sub _object_attach { |
|
|
585 | my ($obj, $name, %arg) = @_; |
|
|
586 | |
|
|
587 | return if exists $obj->{_attachment}{$name}; |
|
|
588 | |
|
|
589 | if (my $attach = $attachment{$name}) { |
|
|
590 | my $registry = $obj->registry; |
|
|
591 | |
|
|
592 | for (@$attach) { |
|
|
593 | my ($klass, @attach) = @$_; |
|
|
594 | _attach $registry, $klass, @attach; |
|
|
595 | } |
|
|
596 | |
|
|
597 | $obj->{$name} = \%arg; |
|
|
598 | } else { |
|
|
599 | warn "object uses attachment '$name' that is not available, postponing.\n"; |
|
|
600 | } |
|
|
601 | |
|
|
602 | $obj->{_attachment}{$name} = undef; |
|
|
603 | } |
|
|
604 | |
|
|
605 | sub cf::attachable::attach { |
|
|
606 | if (ref $_[0]) { |
|
|
607 | _object_attach @_; |
|
|
608 | } else { |
|
|
609 | _attach shift->_attach_registry, @_; |
|
|
610 | } |
|
|
611 | }; |
|
|
612 | |
|
|
613 | # all those should be optimised |
|
|
614 | sub cf::attachable::detach { |
|
|
615 | my ($obj, $name) = @_; |
|
|
616 | |
|
|
617 | if (ref $obj) { |
|
|
618 | delete $obj->{_attachment}{$name}; |
|
|
619 | reattach ($obj); |
|
|
620 | } else { |
|
|
621 | Carp::croak "cannot, currently, detach class attachments"; |
|
|
622 | } |
|
|
623 | }; |
|
|
624 | |
|
|
625 | sub cf::attachable::attached { |
|
|
626 | my ($obj, $name) = @_; |
|
|
627 | |
|
|
628 | exists $obj->{_attachment}{$name} |
|
|
629 | } |
|
|
630 | |
|
|
631 | for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) { |
|
|
632 | eval "#line " . __LINE__ . " 'cf.pm' |
|
|
633 | sub cf::\L$klass\E::_attach_registry { |
|
|
634 | (\\\@CB_$klass, KLASS_$klass) |
|
|
635 | } |
|
|
636 | |
|
|
637 | sub cf::\L$klass\E::attachment { |
|
|
638 | my \$name = shift; |
|
|
639 | |
|
|
640 | \$attachment{\$name} = [[KLASS_$klass, \@_]]; |
|
|
641 | } |
|
|
642 | "; |
|
|
643 | die if $@; |
|
|
644 | } |
|
|
645 | |
|
|
646 | our $override; |
|
|
647 | our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? |
|
|
648 | |
|
|
649 | sub override { |
|
|
650 | $override = 1; |
|
|
651 | @invoke_results = (); |
|
|
652 | } |
|
|
653 | |
|
|
654 | sub do_invoke { |
| 82 | my $event = shift; |
655 | my $event = shift; |
|
|
656 | my $callbacks = shift; |
| 83 | |
657 | |
| 84 | my $cb = $hook[$event] |
658 | @invoke_results = (); |
|
|
659 | |
|
|
660 | local $override; |
|
|
661 | |
|
|
662 | for (@$callbacks) { |
|
|
663 | eval { &{$_->[1]} }; |
|
|
664 | |
|
|
665 | if ($@) { |
|
|
666 | warn "$@"; |
|
|
667 | warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; |
|
|
668 | override; |
|
|
669 | } |
|
|
670 | |
|
|
671 | return 1 if $override; |
|
|
672 | } |
|
|
673 | |
|
|
674 | 0 |
|
|
675 | } |
|
|
676 | |
|
|
677 | =item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) |
|
|
678 | |
|
|
679 | =item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) |
|
|
680 | |
|
|
681 | Generate an object-specific event with the given arguments. |
|
|
682 | |
|
|
683 | This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be |
|
|
684 | 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 | =cut |
|
|
690 | |
|
|
691 | ############################################################################# |
|
|
692 | # object support |
|
|
693 | |
|
|
694 | sub reattach { |
|
|
695 | # basically do the same as instantiate, without calling instantiate |
|
|
696 | my ($obj) = @_; |
|
|
697 | |
|
|
698 | bless $obj, ref $obj; # re-bless in case extensions have been reloaded |
|
|
699 | |
|
|
700 | 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 | cf::attachable->attach ( |
|
|
719 | prio => -1000000, |
|
|
720 | on_instantiate => sub { |
|
|
721 | my ($obj, $data) = @_; |
|
|
722 | |
|
|
723 | $data = from_json $data; |
|
|
724 | |
|
|
725 | for (@$data) { |
|
|
726 | my ($name, $args) = @$_; |
|
|
727 | |
|
|
728 | $obj->attach ($name, %{$args || {} }); |
|
|
729 | } |
|
|
730 | }, |
|
|
731 | on_reattach => \&reattach, |
|
|
732 | 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 | |
|
|
744 | sub object_freezer_save { |
|
|
745 | my ($filename, $rdata, $objs) = @_; |
|
|
746 | |
|
|
747 | sync_job { |
|
|
748 | if (length $$rdata) { |
|
|
749 | warn sprintf "saving %s (%d,%d)\n", |
|
|
750 | $filename, length $$rdata, scalar @$objs; |
|
|
751 | |
|
|
752 | if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { |
|
|
753 | chmod SAVE_MODE, $fh; |
|
|
754 | aio_write $fh, 0, (length $$rdata), $$rdata, 0; |
|
|
755 | aio_fsync $fh; |
|
|
756 | close $fh; |
|
|
757 | |
|
|
758 | if (@$objs) { |
|
|
759 | if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { |
|
|
760 | chmod SAVE_MODE, $fh; |
|
|
761 | my $data = Storable::nfreeze { version => 1, objs => $objs }; |
|
|
762 | aio_write $fh, 0, (length $data), $data, 0; |
|
|
763 | aio_fsync $fh; |
|
|
764 | close $fh; |
|
|
765 | aio_rename "$filename.pst~", "$filename.pst"; |
|
|
766 | } |
|
|
767 | } else { |
|
|
768 | aio_unlink "$filename.pst"; |
|
|
769 | } |
|
|
770 | |
|
|
771 | aio_rename "$filename~", $filename; |
|
|
772 | } else { |
|
|
773 | warn "FATAL: $filename~: $!\n"; |
|
|
774 | } |
|
|
775 | } else { |
|
|
776 | aio_unlink $filename; |
|
|
777 | aio_unlink "$filename.pst"; |
|
|
778 | } |
|
|
779 | } |
|
|
780 | } |
|
|
781 | |
|
|
782 | sub object_freezer_as_string { |
|
|
783 | my ($rdata, $objs) = @_; |
|
|
784 | |
|
|
785 | use Data::Dumper; |
|
|
786 | |
|
|
787 | $$rdata . Dumper $objs |
|
|
788 | } |
|
|
789 | |
|
|
790 | sub object_thawer_load { |
|
|
791 | my ($filename) = @_; |
|
|
792 | |
|
|
793 | my ($data, $av); |
|
|
794 | |
|
|
795 | (aio_load $filename, $data) >= 0 |
| 85 | or return; |
796 | or return; |
| 86 | |
797 | |
| 87 | List::Util::max map &$_, values %$cb |
798 | unless (aio_stat "$filename.pst") { |
| 88 | } |
799 | (aio_load "$filename.pst", $av) >= 0 |
| 89 | |
800 | or return; |
| 90 | sub inject_command { |
801 | $av = eval { (Storable::thaw $av)->{objs} }; |
| 91 | my ($name, $obj, $params) = @_; |
|
|
| 92 | |
|
|
| 93 | for my $cmd (@{ $command{$name} }) { |
|
|
| 94 | $cmd->[1]->($obj, $params); |
|
|
| 95 | } |
802 | } |
| 96 | |
803 | |
| 97 | -1 |
804 | warn sprintf "loading %s (%d)\n", |
|
|
805 | $filename, length $data, scalar @{$av || []};#d# |
|
|
806 | return ($data, $av); |
| 98 | } |
807 | } |
|
|
808 | |
|
|
809 | ############################################################################# |
|
|
810 | # command handling &c |
|
|
811 | |
|
|
812 | =item cf::register_command $name => \&callback($ob,$args); |
|
|
813 | |
|
|
814 | Register a callback for execution when the client sends the user command |
|
|
815 | $name. |
|
|
816 | |
|
|
817 | =cut |
| 99 | |
818 | |
| 100 | sub register_command { |
819 | sub register_command { |
| 101 | my ($name, $time, $cb) = @_; |
820 | my ($name, $cb) = @_; |
| 102 | |
821 | |
| 103 | my $caller = caller; |
822 | my $caller = caller; |
| 104 | |
|
|
| 105 | warn "registering command '$name/$time' to '$caller'"; |
823 | #warn "registering command '$name/$time' to '$caller'"; |
| 106 | |
824 | |
| 107 | push @{ $command{$name} }, [$time, $cb, $caller]; |
825 | push @{ $COMMAND{$name} }, [$caller, $cb]; |
| 108 | $COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} }; |
|
|
| 109 | } |
826 | } |
| 110 | |
827 | |
|
|
828 | =item cf::register_extcmd $name => \&callback($pl,$packet); |
|
|
829 | |
|
|
830 | Register a callbackf ro execution when the client sends an extcmd packet. |
|
|
831 | |
|
|
832 | If the callback returns something, it is sent back as if reply was being |
|
|
833 | called. |
|
|
834 | |
|
|
835 | =cut |
|
|
836 | |
| 111 | sub register { |
837 | sub register_extcmd { |
| 112 | my ($base, $pkg) = @_; |
838 | my ($name, $cb) = @_; |
| 113 | |
839 | |
| 114 | for my $idx (0 .. $#EVENT) { |
840 | $EXTCMD{$name} = $cb; |
| 115 | if (my $ref = $pkg->can ("on_$EVENT[$idx]")) { |
841 | } |
| 116 | warn "registering $EVENT[$idx] hook to '$pkg'\n"; |
842 | |
| 117 | $hook[$idx]{$base} = $ref; |
843 | cf::player->attach ( |
|
|
844 | on_command => sub { |
|
|
845 | my ($pl, $name, $params) = @_; |
|
|
846 | |
|
|
847 | my $cb = $COMMAND{$name} |
|
|
848 | or return; |
|
|
849 | |
|
|
850 | for my $cmd (@$cb) { |
|
|
851 | $cmd->[1]->($pl->ob, $params); |
| 118 | } |
852 | } |
|
|
853 | |
|
|
854 | cf::override; |
| 119 | } |
855 | }, |
| 120 | } |
856 | on_extcmd => sub { |
|
|
857 | my ($pl, $buf) = @_; |
|
|
858 | |
|
|
859 | my $msg = eval { from_json $buf }; |
|
|
860 | |
|
|
861 | if (ref $msg) { |
|
|
862 | if (my $cb = $EXTCMD{$msg->{msgtype}}) { |
|
|
863 | if (my %reply = $cb->($pl, $msg)) { |
|
|
864 | $pl->ext_reply ($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 | ); |
| 121 | |
874 | |
| 122 | sub load_extension { |
875 | sub load_extension { |
| 123 | my ($path) = @_; |
876 | my ($path) = @_; |
| 124 | |
877 | |
| 125 | $path =~ /([^\/\\]+)\.ext$/ or die "$path"; |
878 | $path =~ /([^\/\\]+)\.ext$/ or die "$path"; |
| 126 | my $base = $1; |
879 | my $base = $1; |
| 127 | my $pkg = $1; |
880 | my $pkg = $1; |
| 128 | $pkg =~ s/[^[:word:]]/_/g; |
881 | $pkg =~ s/[^[:word:]]/_/g; |
| 129 | $pkg = "cf::ext::$pkg"; |
882 | $pkg = "ext::$pkg"; |
| 130 | |
883 | |
| 131 | warn "loading '$path' into '$pkg'\n"; |
884 | warn "... loading '$path' into '$pkg'\n"; |
| 132 | |
885 | |
| 133 | open my $fh, "<:utf8", $path |
886 | open my $fh, "<:utf8", $path |
| 134 | or die "$path: $!"; |
887 | or die "$path: $!"; |
| 135 | |
888 | |
| 136 | my $source = |
889 | my $source = |
| 137 | "package $pkg; use strict; use utf8;\n" |
890 | "package $pkg; use strict; use utf8;\n" |
| 138 | . "#line 1 \"$path\"\n{\n" |
891 | . "#line 1 \"$path\"\n{\n" |
| 139 | . (do { local $/; <$fh> }) |
892 | . (do { local $/; <$fh> }) |
| 140 | . "\n};\n1"; |
893 | . "\n};\n1"; |
| 141 | |
894 | |
| 142 | eval $source |
895 | unless (eval $source) { |
| 143 | or die "$path: $@"; |
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 | } |
| 144 | |
905 | |
| 145 | push @exts, $pkg; |
906 | push @EXTS, $pkg; |
| 146 | $ext_pkg{$base} = $pkg; |
|
|
| 147 | |
|
|
| 148 | # no strict 'refs'; |
|
|
| 149 | # @{"$pkg\::ISA"} = cf::ext::; |
|
|
| 150 | |
|
|
| 151 | register $base, $pkg; |
|
|
| 152 | } |
|
|
| 153 | |
|
|
| 154 | sub unload_extension { |
|
|
| 155 | my ($pkg) = @_; |
|
|
| 156 | |
|
|
| 157 | warn "removing extension $pkg\n"; |
|
|
| 158 | |
|
|
| 159 | # remove hooks |
|
|
| 160 | for my $idx (0 .. $#EVENT) { |
|
|
| 161 | delete $hook[$idx]{$pkg}; |
|
|
| 162 | } |
|
|
| 163 | |
|
|
| 164 | # remove commands |
|
|
| 165 | for my $name (keys %command) { |
|
|
| 166 | my @cb = grep $_->[2] ne $pkg, @{ $command{$name} }; |
|
|
| 167 | |
|
|
| 168 | if (@cb) { |
|
|
| 169 | $command{$name} = \@cb; |
|
|
| 170 | $COMMAND{"$name\000"} = List::Util::max map $_->[0], @cb; |
|
|
| 171 | } else { |
|
|
| 172 | delete $command{$name}; |
|
|
| 173 | delete $COMMAND{"$name\000"}; |
|
|
| 174 | } |
|
|
| 175 | } |
|
|
| 176 | |
|
|
| 177 | Symbol::delete_package $pkg; |
|
|
| 178 | } |
907 | } |
| 179 | |
908 | |
| 180 | sub load_extensions { |
909 | sub load_extensions { |
| 181 | my $LIBDIR = maps_directory "perl"; |
|
|
| 182 | |
|
|
| 183 | for my $ext (<$LIBDIR/*.ext>) { |
910 | for my $ext (<$LIBDIR/*.ext>) { |
| 184 | next unless -r $ext; |
911 | next unless -r $ext; |
| 185 | eval { |
912 | eval { |
| 186 | load_extension $ext; |
913 | load_extension $ext; |
| 187 | 1 |
914 | 1 |
| 188 | } or warn "$ext not loaded: $@"; |
915 | } or warn "$ext not loaded: $@"; |
| 189 | } |
916 | } |
| 190 | } |
917 | } |
| 191 | |
918 | |
| 192 | register_command "perl-reload", 0, sub { |
919 | ############################################################################# |
|
|
920 | |
|
|
921 | =head2 CORE EXTENSIONS |
|
|
922 | |
|
|
923 | Functions and methods that extend core crossfire objects. |
|
|
924 | |
|
|
925 | =cut |
|
|
926 | |
|
|
927 | package cf::player; |
|
|
928 | |
|
|
929 | use Coro::AIO; |
|
|
930 | |
|
|
931 | =head3 cf::player |
|
|
932 | |
|
|
933 | =over 4 |
|
|
934 | |
|
|
935 | =item cf::player::find $login |
|
|
936 | |
|
|
937 | Returns the given player object, loading it if necessary (might block). |
|
|
938 | |
|
|
939 | =cut |
|
|
940 | |
|
|
941 | sub playerdir($) { |
|
|
942 | cf::localdir |
|
|
943 | . "/" |
|
|
944 | . cf::playerdir |
|
|
945 | . "/" |
|
|
946 | . (ref $_[0] ? $_[0]->ob->name : $_[0]) |
|
|
947 | } |
|
|
948 | |
|
|
949 | sub path($) { |
|
|
950 | my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; |
|
|
951 | |
|
|
952 | (playerdir $login) . "/$login.pl" |
|
|
953 | } |
|
|
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 | or cf::sync_job { !aio_stat path $login } |
|
|
966 | } |
|
|
967 | |
|
|
968 | sub find($) { |
|
|
969 | return $cf::PLAYER{$_[0]} || do { |
|
|
970 | my $login = $_[0]; |
|
|
971 | |
|
|
972 | my $guard = cf::lock_acquire "user_find:$login"; |
|
|
973 | |
|
|
974 | $cf::PLAYER{$_[0]} || do { |
|
|
975 | my $pl = load_pl path $login |
|
|
976 | or return; |
|
|
977 | $cf::PLAYER{$login} = $pl |
|
|
978 | } |
|
|
979 | } |
|
|
980 | } |
|
|
981 | |
|
|
982 | sub save($) { |
|
|
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 | |
|
|
992 | aio_mkdir playerdir $pl, 0770; |
|
|
993 | $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 | } |
|
|
1011 | |
|
|
1012 | =item $pl->quit_character |
|
|
1013 | |
|
|
1014 | Nukes the player without looking back. If logged in, the connection will |
|
|
1015 | be destroyed. May block for a long time. |
|
|
1016 | |
|
|
1017 | =cut |
|
|
1018 | |
|
|
1019 | sub quit_character { |
|
|
1020 | my ($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 | aio_rename $path, $temp; |
|
|
1033 | delete $cf::PLAYER{$pl->ob->name}; |
|
|
1034 | $pl->destroy; |
|
|
1035 | IO::AIO::aio_rmtree $temp; |
|
|
1036 | } |
|
|
1037 | |
|
|
1038 | =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 | $buf !~ /^password -------------$/m or next; # official not-valid tag |
|
|
1055 | |
|
|
1056 | utf8::decode $login; |
|
|
1057 | push @logins, $login; |
|
|
1058 | } |
|
|
1059 | |
|
|
1060 | \@logins |
|
|
1061 | } |
|
|
1062 | |
|
|
1063 | =item $player->maps |
|
|
1064 | |
|
|
1065 | Returns an arrayref of map paths that are private for this |
|
|
1066 | player. May block. |
|
|
1067 | |
|
|
1068 | =cut |
|
|
1069 | |
|
|
1070 | sub maps($) { |
|
|
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 | next unless /^$PATH_SEP/o; |
|
|
1082 | |
|
|
1083 | s/\.map$//; |
|
|
1084 | push @paths, "~" . $pl->ob->name . "/" . $_; |
|
|
1085 | } |
|
|
1086 | |
|
|
1087 | \@paths |
|
|
1088 | } |
|
|
1089 | |
|
|
1090 | =item $player->ext_reply ($msgid, $msgtype, %msg) |
|
|
1091 | |
|
|
1092 | Sends an ext reply to the player. |
|
|
1093 | |
|
|
1094 | =cut |
|
|
1095 | |
|
|
1096 | sub ext_reply($$$%) { |
|
|
1097 | my ($self, $id, %msg) = @_; |
|
|
1098 | |
|
|
1099 | $msg{msgid} = $id; |
|
|
1100 | |
|
|
1101 | $self->send ("ext " . cf::to_json \%msg); |
|
|
1102 | } |
|
|
1103 | |
|
|
1104 | package cf; |
|
|
1105 | |
|
|
1106 | =back |
|
|
1107 | |
|
|
1108 | |
|
|
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 | use overload |
|
|
1121 | '""' => \&as_string, |
|
|
1122 | fallback => 1; |
|
|
1123 | |
|
|
1124 | our $MAX_RESET = 3600; |
|
|
1125 | our $DEFAULT_RESET = 3000; |
|
|
1126 | |
|
|
1127 | sub generate_random_map { |
|
|
1128 | my ($self, $rmp) = @_; |
|
|
1129 | # mit "rum" bekleckern, nicht |
|
|
1130 | $self->_create_random_map ( |
|
|
1131 | $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 | (cf::region::find $rmp->{region}), $rmp->{custom} |
|
|
1142 | ) |
|
|
1143 | } |
|
|
1144 | |
|
|
1145 | =item cf::map->register ($regex, $prio) |
|
|
1146 | |
|
|
1147 | Register a handler for the map path matching the given regex at the |
|
|
1148 | givne priority (higher is better, built-in handlers have priority 0, the |
|
|
1149 | default). |
|
|
1150 | |
|
|
1151 | =cut |
|
|
1152 | |
|
|
1153 | sub register { |
|
|
1154 | my (undef, $regex, $prio) = @_; |
|
|
1155 | my $pkg = caller; |
|
|
1156 | |
|
|
1157 | no strict; |
|
|
1158 | push @{"$pkg\::ISA"}, __PACKAGE__; |
|
|
1159 | |
|
|
1160 | $EXT_MAP{$pkg} = [$prio, qr<$regex>]; |
|
|
1161 | } |
|
|
1162 | |
|
|
1163 | # also paths starting with '/' |
|
|
1164 | $EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; |
|
|
1165 | |
|
|
1166 | sub thawer_merge { |
|
|
1167 | my ($self, $merge) = @_; |
|
|
1168 | |
|
|
1169 | # we have to keep some variables in memory intact |
|
|
1170 | local $self->{path}; |
|
|
1171 | local $self->{load_path}; |
|
|
1172 | local $self->{deny_save}; |
|
|
1173 | local $self->{deny_reset}; |
|
|
1174 | |
|
|
1175 | $self->SUPER::thawer_merge ($merge); |
|
|
1176 | } |
|
|
1177 | |
|
|
1178 | sub normalise { |
| 193 | my ($who, $arg) = @_; |
1179 | my ($path, $base) = @_; |
| 194 | |
1180 | |
| 195 | if ($who->flag (FLAG_WIZ)) { |
1181 | # map plan: |
| 196 | $who->message ("reloading..."); |
1182 | # |
|
|
1183 | # /! non-realised random map exit (special hack!) |
|
|
1184 | # {... are special paths that are not being touched |
|
|
1185 | # ?xxx/... are special absolute paths |
|
|
1186 | # ?random/... random maps |
|
|
1187 | # /... normal maps |
|
|
1188 | # ~user/... per-player map of a specific user |
| 197 | |
1189 | |
| 198 | warn "reloading...\n"; |
1190 | $path =~ s/$PATH_SEP/\//go; |
|
|
1191 | |
|
|
1192 | # treat it as relative path if it starts with |
|
|
1193 | # something that looks reasonable |
|
|
1194 | if ($path =~ m{^(?:\./|\.\./|\w)}) { |
|
|
1195 | $base or Carp::carp "normalise called with relative path and no base: '$path'"; |
|
|
1196 | |
|
|
1197 | $base =~ s{[^/]+/?$}{}; |
|
|
1198 | $path = "$base/$path"; |
|
|
1199 | } |
|
|
1200 | |
|
|
1201 | for ($path) { |
|
|
1202 | redo if s{//}{/}; |
|
|
1203 | redo if s{/\.?/}{/}; |
|
|
1204 | redo if s{/[^/]+/\.\./}{/}; |
|
|
1205 | } |
|
|
1206 | |
|
|
1207 | $path |
|
|
1208 | } |
|
|
1209 | |
|
|
1210 | sub new_from_path { |
|
|
1211 | my (undef, $path, $base) = @_; |
|
|
1212 | |
|
|
1213 | return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object |
|
|
1214 | |
|
|
1215 | $path = normalise $path, $base; |
|
|
1216 | |
|
|
1217 | for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) { |
|
|
1218 | if ($path =~ $EXT_MAP{$pkg}[1]) { |
|
|
1219 | my $self = bless cf::map::new, $pkg; |
|
|
1220 | $self->{path} = $path; $self->path ($path); |
|
|
1221 | $self->init; # pass $1 etc. |
|
|
1222 | return $self; |
|
|
1223 | } |
|
|
1224 | } |
|
|
1225 | |
|
|
1226 | Carp::carp "unable to resolve path '$path'."; |
|
|
1227 | () |
|
|
1228 | } |
|
|
1229 | |
|
|
1230 | sub init { |
|
|
1231 | my ($self) = @_; |
|
|
1232 | |
|
|
1233 | $self |
|
|
1234 | } |
|
|
1235 | |
|
|
1236 | sub as_string { |
|
|
1237 | my ($self) = @_; |
|
|
1238 | |
|
|
1239 | "$self->{path}" |
|
|
1240 | } |
|
|
1241 | |
|
|
1242 | # the displayed name, this is a one way mapping |
|
|
1243 | sub visible_name { |
|
|
1244 | &as_string |
|
|
1245 | } |
|
|
1246 | |
|
|
1247 | # the original (read-only) location |
|
|
1248 | sub load_path { |
|
|
1249 | my ($self) = @_; |
|
|
1250 | |
|
|
1251 | sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} |
|
|
1252 | } |
|
|
1253 | |
|
|
1254 | # the temporary/swap location |
|
|
1255 | sub save_path { |
|
|
1256 | my ($self) = @_; |
|
|
1257 | |
|
|
1258 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
|
|
1259 | sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path |
|
|
1260 | } |
|
|
1261 | |
|
|
1262 | # the unique path, undef == no special unique path |
|
|
1263 | sub uniq_path { |
|
|
1264 | my ($self) = @_; |
|
|
1265 | |
|
|
1266 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
|
|
1267 | sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path |
|
|
1268 | } |
|
|
1269 | |
|
|
1270 | # and all this just because we cannot iterate over |
|
|
1271 | # all maps in C++... |
|
|
1272 | sub change_all_map_light { |
|
|
1273 | my ($change) = @_; |
|
|
1274 | |
|
|
1275 | $_->change_map_light ($change) |
|
|
1276 | for grep $_->outdoor, values %cf::MAP; |
|
|
1277 | } |
|
|
1278 | |
|
|
1279 | sub unlink_save { |
|
|
1280 | my ($self) = @_; |
|
|
1281 | |
|
|
1282 | utf8::encode (my $save = $self->save_path); |
|
|
1283 | IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; |
|
|
1284 | IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; |
|
|
1285 | } |
|
|
1286 | |
|
|
1287 | sub load_header_from($) { |
|
|
1288 | my ($self, $path) = @_; |
|
|
1289 | |
|
|
1290 | utf8::encode $path; |
|
|
1291 | aio_open $path, O_RDONLY, 0 |
|
|
1292 | or return; |
|
|
1293 | |
|
|
1294 | $self->_load_header ($path) |
|
|
1295 | or return; |
|
|
1296 | |
|
|
1297 | $self->{load_path} = $path; |
|
|
1298 | |
|
|
1299 | 1 |
|
|
1300 | } |
|
|
1301 | |
|
|
1302 | sub load_header_orig { |
|
|
1303 | my ($self) = @_; |
|
|
1304 | |
|
|
1305 | $self->load_header_from ($self->load_path) |
|
|
1306 | } |
|
|
1307 | |
|
|
1308 | sub load_header_temp { |
|
|
1309 | my ($self) = @_; |
|
|
1310 | |
|
|
1311 | $self->load_header_from ($self->save_path) |
|
|
1312 | } |
|
|
1313 | |
|
|
1314 | sub prepare_temp { |
|
|
1315 | my ($self) = @_; |
|
|
1316 | |
|
|
1317 | $self->last_access ((delete $self->{last_access}) |
|
|
1318 | || $cf::RUNTIME); #d# |
|
|
1319 | # safety |
|
|
1320 | $self->{instantiate_time} = $cf::RUNTIME |
|
|
1321 | if $self->{instantiate_time} > $cf::RUNTIME; |
|
|
1322 | } |
|
|
1323 | |
|
|
1324 | sub prepare_orig { |
|
|
1325 | my ($self) = @_; |
|
|
1326 | |
|
|
1327 | $self->{load_original} = 1; |
|
|
1328 | $self->{instantiate_time} = $cf::RUNTIME; |
|
|
1329 | $self->last_access ($cf::RUNTIME); |
|
|
1330 | $self->instantiate; |
|
|
1331 | } |
|
|
1332 | |
|
|
1333 | sub load_header { |
|
|
1334 | my ($self) = @_; |
|
|
1335 | |
|
|
1336 | if ($self->load_header_temp) { |
|
|
1337 | $self->prepare_temp; |
|
|
1338 | } else { |
|
|
1339 | $self->load_header_orig |
|
|
1340 | or return; |
|
|
1341 | $self->prepare_orig; |
|
|
1342 | } |
|
|
1343 | |
|
|
1344 | 1 |
|
|
1345 | } |
|
|
1346 | |
|
|
1347 | sub find; |
|
|
1348 | sub find { |
|
|
1349 | my ($path, $origin) = @_; |
|
|
1350 | |
|
|
1351 | $path = normalise $path, $origin && $origin->path; |
|
|
1352 | |
|
|
1353 | cf::lock_wait "map_find:$path"; |
|
|
1354 | |
|
|
1355 | $cf::MAP{$path} || do { |
|
|
1356 | my $guard = cf::lock_acquire "map_find:$path"; |
|
|
1357 | my $map = new_from_path cf::map $path |
|
|
1358 | or return; |
|
|
1359 | |
|
|
1360 | $map->{last_save} = $cf::RUNTIME; |
|
|
1361 | |
|
|
1362 | $map->load_header |
|
|
1363 | or return; |
|
|
1364 | |
|
|
1365 | if ($map->should_reset) { |
|
|
1366 | # doing this can freeze the server in a sync job, obviously |
|
|
1367 | #$cf::WAIT_FOR_TICK->wait; |
|
|
1368 | $map->reset; |
|
|
1369 | undef $guard; |
|
|
1370 | $map = find $path |
|
|
1371 | or return; |
|
|
1372 | } |
|
|
1373 | |
|
|
1374 | $cf::MAP{$path} = $map |
|
|
1375 | } |
|
|
1376 | } |
|
|
1377 | |
|
|
1378 | sub pre_load { } |
|
|
1379 | sub post_load { } |
|
|
1380 | |
|
|
1381 | sub load { |
|
|
1382 | my ($self) = @_; |
|
|
1383 | |
|
|
1384 | my $path = $self->{path}; |
|
|
1385 | my $guard = cf::lock_acquire "map_load:$path"; |
|
|
1386 | |
|
|
1387 | return if $self->in_memory != cf::MAP_SWAPPED; |
|
|
1388 | |
|
|
1389 | $self->in_memory (cf::MAP_LOADING); |
|
|
1390 | |
|
|
1391 | $self->alloc; |
|
|
1392 | |
|
|
1393 | $self->pre_load; |
|
|
1394 | |
|
|
1395 | $self->_load_objects ($self->{load_path}, 1) |
|
|
1396 | or return; |
|
|
1397 | |
|
|
1398 | $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) |
|
|
1399 | if delete $self->{load_original}; |
|
|
1400 | |
|
|
1401 | if (my $uniq = $self->uniq_path) { |
|
|
1402 | utf8::encode $uniq; |
|
|
1403 | if (aio_open $uniq, O_RDONLY, 0) { |
|
|
1404 | $self->clear_unique_items; |
|
|
1405 | $self->_load_objects ($uniq, 0); |
|
|
1406 | } |
|
|
1407 | } |
|
|
1408 | |
|
|
1409 | Coro::cede; |
|
|
1410 | |
|
|
1411 | # now do the right thing for maps |
|
|
1412 | $self->link_multipart_objects; |
|
|
1413 | |
|
|
1414 | unless ($self->{deny_activate}) { |
|
|
1415 | $self->decay_objects; |
|
|
1416 | $self->fix_auto_apply; |
|
|
1417 | $self->update_buttons; |
|
|
1418 | Coro::cede; |
|
|
1419 | $self->set_darkness_map; |
|
|
1420 | $self->difficulty ($self->estimate_difficulty) |
|
|
1421 | unless $self->difficulty; |
|
|
1422 | Coro::cede; |
|
|
1423 | $self->activate; |
|
|
1424 | } |
|
|
1425 | |
|
|
1426 | $self->post_load; |
|
|
1427 | |
|
|
1428 | $self->in_memory (cf::MAP_IN_MEMORY); |
|
|
1429 | } |
|
|
1430 | |
|
|
1431 | sub customise_for { |
|
|
1432 | my ($self, $ob) = @_; |
|
|
1433 | |
|
|
1434 | return find "~" . $ob->name . "/" . $self->{path} |
|
|
1435 | if $self->per_player; |
|
|
1436 | |
|
|
1437 | $self |
|
|
1438 | } |
|
|
1439 | |
|
|
1440 | # find and load all maps in the 3x3 area around a map |
|
|
1441 | sub load_diag { |
|
|
1442 | my ($map) = @_; |
|
|
1443 | |
|
|
1444 | my @diag; # diagonal neighbours |
|
|
1445 | |
|
|
1446 | for (0 .. 3) { |
|
|
1447 | my $neigh = $map->tile_path ($_) |
|
|
1448 | or next; |
|
|
1449 | $neigh = find $neigh, $map |
|
|
1450 | or next; |
|
|
1451 | $neigh->load; |
|
|
1452 | |
|
|
1453 | push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], |
|
|
1454 | [$neigh->tile_path (($_ + 1) % 4), $neigh]; |
|
|
1455 | } |
|
|
1456 | |
|
|
1457 | for (@diag) { |
|
|
1458 | my $neigh = find @$_ |
|
|
1459 | or next; |
|
|
1460 | $neigh->load; |
|
|
1461 | } |
|
|
1462 | } |
|
|
1463 | |
|
|
1464 | sub find_sync { |
|
|
1465 | my ($path, $origin) = @_; |
|
|
1466 | |
|
|
1467 | cf::sync_job { find $path, $origin } |
|
|
1468 | } |
|
|
1469 | |
|
|
1470 | sub do_load_sync { |
|
|
1471 | my ($map) = @_; |
|
|
1472 | |
|
|
1473 | cf::sync_job { $map->load }; |
|
|
1474 | } |
|
|
1475 | |
|
|
1476 | our %MAP_PREFETCH; |
|
|
1477 | our $MAP_PREFETCHER = undef; |
|
|
1478 | |
|
|
1479 | sub find_async { |
|
|
1480 | my ($path, $origin) = @_; |
|
|
1481 | |
|
|
1482 | $path = normalise $path, $origin && $origin->{path}; |
|
|
1483 | |
|
|
1484 | if (my $map = $cf::MAP{$path}) { |
|
|
1485 | return $map if $map->in_memory == cf::MAP_IN_MEMORY; |
|
|
1486 | } |
|
|
1487 | |
|
|
1488 | undef $MAP_PREFETCH{$path}; |
|
|
1489 | $MAP_PREFETCHER ||= cf::async { |
|
|
1490 | while (%MAP_PREFETCH) { |
|
|
1491 | for my $path (keys %MAP_PREFETCH) { |
|
|
1492 | my $map = find $path |
|
|
1493 | or next; |
|
|
1494 | $map->load; |
|
|
1495 | |
|
|
1496 | delete $MAP_PREFETCH{$path}; |
|
|
1497 | } |
|
|
1498 | } |
|
|
1499 | undef $MAP_PREFETCHER; |
|
|
1500 | }; |
|
|
1501 | $MAP_PREFETCHER->prio (6); |
|
|
1502 | |
|
|
1503 | () |
|
|
1504 | } |
|
|
1505 | |
|
|
1506 | sub save { |
|
|
1507 | my ($self) = @_; |
|
|
1508 | |
|
|
1509 | my $lock = cf::lock_acquire "map_data:" . $self->path; |
|
|
1510 | |
|
|
1511 | $self->{last_save} = $cf::RUNTIME; |
|
|
1512 | |
|
|
1513 | return unless $self->dirty; |
|
|
1514 | |
|
|
1515 | my $save = $self->save_path; utf8::encode $save; |
|
|
1516 | my $uniq = $self->uniq_path; utf8::encode $uniq; |
|
|
1517 | |
|
|
1518 | $self->{load_path} = $save; |
|
|
1519 | |
|
|
1520 | return if $self->{deny_save}; |
|
|
1521 | |
|
|
1522 | local $self->{last_access} = $self->last_access;#d# |
|
|
1523 | |
|
|
1524 | cf::async { |
|
|
1525 | $_->contr->save for $self->players; |
|
|
1526 | }; |
|
|
1527 | |
|
|
1528 | if ($uniq) { |
|
|
1529 | $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); |
|
|
1530 | $self->_save_objects ($uniq, cf::IO_UNIQUES); |
|
|
1531 | } else { |
|
|
1532 | $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); |
|
|
1533 | } |
|
|
1534 | } |
|
|
1535 | |
|
|
1536 | sub swap_out { |
|
|
1537 | my ($self) = @_; |
|
|
1538 | |
|
|
1539 | # save first because save cedes |
|
|
1540 | $self->save; |
|
|
1541 | |
|
|
1542 | my $lock = cf::lock_acquire "map_data:" . $self->path; |
|
|
1543 | |
|
|
1544 | return if $self->players; |
|
|
1545 | return if $self->in_memory != cf::MAP_IN_MEMORY; |
|
|
1546 | return if $self->{deny_save}; |
|
|
1547 | |
|
|
1548 | $self->clear; |
|
|
1549 | $self->in_memory (cf::MAP_SWAPPED); |
|
|
1550 | } |
|
|
1551 | |
|
|
1552 | sub reset_at { |
|
|
1553 | my ($self) = @_; |
|
|
1554 | |
|
|
1555 | # TODO: safety, remove and allow resettable per-player maps |
|
|
1556 | return 1e99 if $self->isa ("ext::map_per_player");#d# |
|
|
1557 | return 1e99 if $self->{deny_reset}; |
|
|
1558 | |
|
|
1559 | my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; |
|
|
1560 | my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; |
|
|
1561 | |
|
|
1562 | $time + $to |
|
|
1563 | } |
|
|
1564 | |
|
|
1565 | sub should_reset { |
|
|
1566 | my ($self) = @_; |
|
|
1567 | |
|
|
1568 | $self->reset_at <= $cf::RUNTIME |
|
|
1569 | } |
|
|
1570 | |
|
|
1571 | sub reset { |
|
|
1572 | my ($self) = @_; |
|
|
1573 | |
|
|
1574 | my $lock = cf::lock_acquire "map_data:$self->{path}"; |
|
|
1575 | |
|
|
1576 | return if $self->players; |
|
|
1577 | return if $self->isa ("ext::map_per_player");#d# |
|
|
1578 | |
|
|
1579 | warn "resetting map ", $self->path;#d# |
|
|
1580 | |
|
|
1581 | delete $cf::MAP{$self->path}; |
|
|
1582 | |
|
|
1583 | $self->in_memory (cf::MAP_SWAPPED); |
|
|
1584 | $self->clear; |
|
|
1585 | |
|
|
1586 | $_->clear_links_to ($self) for values %cf::MAP; |
|
|
1587 | |
|
|
1588 | $self->unlink_save; |
|
|
1589 | $self->destroy; |
|
|
1590 | } |
|
|
1591 | |
|
|
1592 | my $nuke_counter = "aaaa"; |
|
|
1593 | |
|
|
1594 | sub nuke { |
|
|
1595 | my ($self) = @_; |
|
|
1596 | |
|
|
1597 | delete $cf::MAP{$self->path}; |
|
|
1598 | |
|
|
1599 | $self->unlink_save; |
|
|
1600 | |
|
|
1601 | bless $self, "cf::map"; |
|
|
1602 | delete $self->{deny_reset}; |
|
|
1603 | $self->{deny_save} = 1; |
|
|
1604 | $self->reset_timeout (1); |
|
|
1605 | $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); |
|
|
1606 | |
|
|
1607 | $cf::MAP{$self->path} = $self; |
|
|
1608 | |
|
|
1609 | $self->reset; # polite request, might not happen |
|
|
1610 | } |
|
|
1611 | |
|
|
1612 | =item cf::map::unique_maps |
|
|
1613 | |
|
|
1614 | Returns an arrayref of paths of all shared maps that have |
|
|
1615 | instantiated unique items. May block. |
|
|
1616 | |
|
|
1617 | =cut |
|
|
1618 | |
|
|
1619 | sub unique_maps() { |
|
|
1620 | my $files = aio_readdir cf::localdir . "/" . cf::uniquedir |
|
|
1621 | or return; |
|
|
1622 | |
|
|
1623 | my @paths; |
|
|
1624 | |
|
|
1625 | for (@$files) { |
|
|
1626 | utf8::decode $_; |
|
|
1627 | next if /\.pst$/; |
|
|
1628 | next unless /^$PATH_SEP/o; |
|
|
1629 | |
|
|
1630 | s/\.map$//; |
|
|
1631 | push @paths, $_; |
|
|
1632 | } |
|
|
1633 | |
|
|
1634 | \@paths |
|
|
1635 | } |
|
|
1636 | |
|
|
1637 | package cf; |
|
|
1638 | |
|
|
1639 | =back |
|
|
1640 | |
|
|
1641 | =head3 cf::object |
|
|
1642 | |
|
|
1643 | =cut |
|
|
1644 | |
|
|
1645 | package cf::object; |
|
|
1646 | |
|
|
1647 | =over 4 |
|
|
1648 | |
|
|
1649 | =item $ob->inv_recursive |
|
|
1650 | |
|
|
1651 | Returns the inventory of the object _and_ their inventories, recursively. |
|
|
1652 | |
|
|
1653 | =cut |
|
|
1654 | |
|
|
1655 | sub inv_recursive_; |
|
|
1656 | sub inv_recursive_ { |
|
|
1657 | map { $_, inv_recursive_ $_->inv } @_ |
|
|
1658 | } |
|
|
1659 | |
|
|
1660 | sub inv_recursive { |
|
|
1661 | inv_recursive_ inv $_[0] |
|
|
1662 | } |
|
|
1663 | |
|
|
1664 | package cf; |
|
|
1665 | |
|
|
1666 | =back |
|
|
1667 | |
|
|
1668 | =head3 cf::object::player |
|
|
1669 | |
|
|
1670 | =over 4 |
|
|
1671 | |
|
|
1672 | =item $player_object->reply ($npc, $msg[, $flags]) |
|
|
1673 | |
|
|
1674 | Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
|
|
1675 | can be C<undef>. Does the right thing when the player is currently in a |
|
|
1676 | dialogue with the given NPC character. |
|
|
1677 | |
|
|
1678 | =cut |
|
|
1679 | |
|
|
1680 | # rough implementation of a future "reply" method that works |
|
|
1681 | # with dialog boxes. |
|
|
1682 | #TODO: the first argument must go, split into a $npc->reply_to ( method |
|
|
1683 | sub cf::object::player::reply($$$;$) { |
|
|
1684 | my ($self, $npc, $msg, $flags) = @_; |
|
|
1685 | |
|
|
1686 | $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
|
|
1687 | |
|
|
1688 | if ($self->{record_replies}) { |
|
|
1689 | push @{ $self->{record_replies} }, [$npc, $msg, $flags]; |
|
|
1690 | } else { |
|
|
1691 | $msg = $npc->name . " says: $msg" if $npc; |
|
|
1692 | $self->message ($msg, $flags); |
|
|
1693 | } |
|
|
1694 | } |
|
|
1695 | |
|
|
1696 | =item $player_object->may ("access") |
|
|
1697 | |
|
|
1698 | Returns wether the given player is authorized to access resource "access" |
|
|
1699 | (e.g. "command_wizcast"). |
|
|
1700 | |
|
|
1701 | =cut |
|
|
1702 | |
|
|
1703 | sub cf::object::player::may { |
|
|
1704 | my ($self, $access) = @_; |
|
|
1705 | |
|
|
1706 | $self->flag (cf::FLAG_WIZ) || |
|
|
1707 | (ref $cf::CFG{"may_$access"} |
|
|
1708 | ? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}} |
|
|
1709 | : $cf::CFG{"may_$access"}) |
|
|
1710 | } |
|
|
1711 | |
|
|
1712 | =item $player_object->enter_link |
|
|
1713 | |
|
|
1714 | Freezes the player and moves him/her to a special map (C<{link}>). |
|
|
1715 | |
|
|
1716 | The player should be reasonably safe there for short amounts of time. You |
|
|
1717 | I<MUST> call C<leave_link> as soon as possible, though. |
|
|
1718 | |
|
|
1719 | Will never block. |
|
|
1720 | |
|
|
1721 | =item $player_object->leave_link ($map, $x, $y) |
|
|
1722 | |
|
|
1723 | Moves the player out of the special C<{link}> map onto the specified |
|
|
1724 | map. If the map is not valid (or omitted), the player will be moved back |
|
|
1725 | to the location he/she was before the call to C<enter_link>, or, if that |
|
|
1726 | fails, to the emergency map position. |
|
|
1727 | |
|
|
1728 | Might block. |
|
|
1729 | |
|
|
1730 | =cut |
|
|
1731 | |
|
|
1732 | sub link_map { |
|
|
1733 | unless ($LINK_MAP) { |
|
|
1734 | $LINK_MAP = cf::map::find "{link}" |
|
|
1735 | or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; |
|
|
1736 | $LINK_MAP->load; |
|
|
1737 | } |
|
|
1738 | |
|
|
1739 | $LINK_MAP |
|
|
1740 | } |
|
|
1741 | |
|
|
1742 | sub cf::object::player::enter_link { |
|
|
1743 | my ($self) = @_; |
|
|
1744 | |
|
|
1745 | $self->deactivate_recursive; |
|
|
1746 | |
|
|
1747 | return if UNIVERSAL::isa $self->map, "ext::map_link"; |
|
|
1748 | |
|
|
1749 | $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] |
|
|
1750 | if $self->map; |
|
|
1751 | |
|
|
1752 | $self->enter_map ($LINK_MAP || link_map, 20, 20); |
|
|
1753 | } |
|
|
1754 | |
|
|
1755 | sub cf::object::player::leave_link { |
|
|
1756 | my ($self, $map, $x, $y) = @_; |
|
|
1757 | |
|
|
1758 | my $link_pos = delete $self->{_link_pos}; |
|
|
1759 | |
|
|
1760 | unless ($map) { |
|
|
1761 | # restore original map position |
|
|
1762 | ($map, $x, $y) = @{ $link_pos || [] }; |
|
|
1763 | $map = cf::map::find $map; |
|
|
1764 | |
|
|
1765 | unless ($map) { |
|
|
1766 | ($map, $x, $y) = @$EMERGENCY_POSITION; |
|
|
1767 | $map = cf::map::find $map |
|
|
1768 | or die "FATAL: cannot load emergency map\n"; |
|
|
1769 | } |
|
|
1770 | } |
|
|
1771 | |
|
|
1772 | ($x, $y) = (-1, -1) |
|
|
1773 | unless (defined $x) && (defined $y); |
|
|
1774 | |
|
|
1775 | # use -1 or undef as default coordinates, not 0, 0 |
|
|
1776 | ($x, $y) = ($map->enter_x, $map->enter_y) |
|
|
1777 | if $x <=0 && $y <= 0; |
|
|
1778 | |
|
|
1779 | $map->load; |
|
|
1780 | $map->load_diag; |
|
|
1781 | |
|
|
1782 | return unless $self->contr->active; |
|
|
1783 | $self->activate_recursive; |
|
|
1784 | $self->enter_map ($map, $x, $y); |
|
|
1785 | } |
|
|
1786 | |
|
|
1787 | cf::player->attach ( |
|
|
1788 | on_logout => sub { |
|
|
1789 | my ($pl) = @_; |
|
|
1790 | |
|
|
1791 | # abort map switching before logout |
|
|
1792 | if ($pl->ob->{_link_pos}) { |
|
|
1793 | cf::sync_job { |
|
|
1794 | $pl->ob->leave_link |
|
|
1795 | }; |
|
|
1796 | } |
|
|
1797 | }, |
|
|
1798 | on_login => sub { |
|
|
1799 | my ($pl) = @_; |
|
|
1800 | |
|
|
1801 | # try to abort aborted map switching on player login :) |
|
|
1802 | # should happen only on crashes |
|
|
1803 | if ($pl->ob->{_link_pos}) { |
|
|
1804 | $pl->ob->enter_link; |
|
|
1805 | (async { |
|
|
1806 | # we need this sleep as the login has a concurrent enter_exit running |
|
|
1807 | # and this sleep increases chances of the player not ending up in scorn |
|
|
1808 | $pl->ob->reply (undef, |
|
|
1809 | "There was an internal problem at your last logout, " |
|
|
1810 | . "the server will try to bring you to your intended destination in a second.", |
|
|
1811 | cf::NDI_RED); |
|
|
1812 | Coro::Timer::sleep 1; |
|
|
1813 | $pl->ob->leave_link; |
|
|
1814 | })->prio (2); |
|
|
1815 | } |
|
|
1816 | }, |
|
|
1817 | ); |
|
|
1818 | |
|
|
1819 | =item $player_object->goto ($path, $x, $y) |
|
|
1820 | |
|
|
1821 | =cut |
|
|
1822 | |
|
|
1823 | sub cf::object::player::goto { |
|
|
1824 | my ($self, $path, $x, $y) = @_; |
|
|
1825 | |
|
|
1826 | $self->enter_link; |
|
|
1827 | |
|
|
1828 | (async { |
|
|
1829 | my $map = cf::map::find $path; |
|
|
1830 | $map = $map->customise_for ($self) if $map; |
|
|
1831 | |
|
|
1832 | # warn "entering ", $map->path, " at ($x, $y)\n" |
|
|
1833 | # if $map; |
|
|
1834 | |
|
|
1835 | $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); |
|
|
1836 | |
|
|
1837 | $self->leave_link ($map, $x, $y); |
|
|
1838 | })->prio (1); |
|
|
1839 | } |
|
|
1840 | |
|
|
1841 | =item $player_object->enter_exit ($exit_object) |
|
|
1842 | |
|
|
1843 | =cut |
|
|
1844 | |
|
|
1845 | sub parse_random_map_params { |
|
|
1846 | my ($spec) = @_; |
|
|
1847 | |
|
|
1848 | my $rmp = { # defaults |
|
|
1849 | xsize => (cf::rndm 15, 40), |
|
|
1850 | ysize => (cf::rndm 15, 40), |
|
|
1851 | symmetry => (cf::rndm 1, cf::SYMMETRY_XY), |
|
|
1852 | #layout => string, |
|
|
1853 | }; |
|
|
1854 | |
|
|
1855 | for (split /\n/, $spec) { |
|
|
1856 | my ($k, $v) = split /\s+/, $_, 2; |
|
|
1857 | |
|
|
1858 | $rmp->{lc $k} = $v if (length $k) && (length $v); |
|
|
1859 | } |
|
|
1860 | |
|
|
1861 | $rmp |
|
|
1862 | } |
|
|
1863 | |
|
|
1864 | sub prepare_random_map { |
|
|
1865 | my ($exit) = @_; |
|
|
1866 | |
|
|
1867 | my $guard = cf::lock_acquire "exit_prepare:$exit"; |
|
|
1868 | |
|
|
1869 | # all this does is basically replace the /! path by |
|
|
1870 | # a new random map path (?random/...) with a seed |
|
|
1871 | # that depends on the exit object |
|
|
1872 | |
|
|
1873 | my $rmp = parse_random_map_params $exit->msg; |
|
|
1874 | |
|
|
1875 | if ($exit->map) { |
|
|
1876 | $rmp->{region} = $exit->map->region_name; |
|
|
1877 | $rmp->{origin_map} = $exit->map->path; |
|
|
1878 | $rmp->{origin_x} = $exit->x; |
|
|
1879 | $rmp->{origin_y} = $exit->y; |
|
|
1880 | } |
|
|
1881 | |
|
|
1882 | $rmp->{random_seed} ||= $exit->random_seed; |
|
|
1883 | |
|
|
1884 | my $data = cf::to_json $rmp; |
|
|
1885 | my $md5 = Digest::MD5::md5_hex $data; |
|
|
1886 | my $meta = "$cf::RANDOM_MAPS/$md5.meta"; |
|
|
1887 | |
|
|
1888 | if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { |
|
|
1889 | aio_write $fh, 0, (length $data), $data, 0; |
|
|
1890 | undef $fh; |
|
|
1891 | aio_rename "$meta~", $meta; |
|
|
1892 | |
|
|
1893 | $exit->slaying ("?random/$md5"); |
|
|
1894 | $exit->msg (undef); |
|
|
1895 | } |
|
|
1896 | } |
|
|
1897 | |
|
|
1898 | sub cf::object::player::enter_exit { |
|
|
1899 | my ($self, $exit) = @_; |
|
|
1900 | |
|
|
1901 | return unless $self->type == cf::PLAYER; |
|
|
1902 | |
|
|
1903 | $self->enter_link; |
|
|
1904 | |
|
|
1905 | (async { |
|
|
1906 | $self->deactivate_recursive; # just to be sure |
|
|
1907 | unless (eval { |
|
|
1908 | prepare_random_map $exit |
|
|
1909 | if $exit->slaying eq "/!"; |
|
|
1910 | |
|
|
1911 | my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path; |
|
|
1912 | $self->goto ($path, $exit->stats->hp, $exit->stats->sp); |
|
|
1913 | |
|
|
1914 | 1; |
|
|
1915 | }) { |
|
|
1916 | $self->message ("Something went wrong deep within the crossfire server. " |
|
|
1917 | . "I'll try to bring you back to the map you were before. " |
|
|
1918 | . "Please report this to the dungeon master!", |
|
|
1919 | cf::NDI_UNIQUE | cf::NDI_RED); |
|
|
1920 | |
|
|
1921 | warn "ERROR in enter_exit: $@"; |
|
|
1922 | $self->leave_link; |
|
|
1923 | } |
|
|
1924 | })->prio (1); |
|
|
1925 | } |
|
|
1926 | |
|
|
1927 | =head3 cf::client |
|
|
1928 | |
|
|
1929 | =over 4 |
|
|
1930 | |
|
|
1931 | =item $client->send_drawinfo ($text, $flags) |
|
|
1932 | |
|
|
1933 | Sends a drawinfo packet to the client. Circumvents output buffering so |
|
|
1934 | should not be used under normal circumstances. |
|
|
1935 | |
|
|
1936 | =cut |
|
|
1937 | |
|
|
1938 | sub cf::client::send_drawinfo { |
|
|
1939 | my ($self, $text, $flags) = @_; |
|
|
1940 | |
|
|
1941 | utf8::encode $text; |
|
|
1942 | $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); |
|
|
1943 | } |
|
|
1944 | |
|
|
1945 | |
|
|
1946 | =item $success = $client->query ($flags, "text", \&cb) |
|
|
1947 | |
|
|
1948 | Queues a query to the client, calling the given callback with |
|
|
1949 | the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, |
|
|
1950 | C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. |
|
|
1951 | |
|
|
1952 | Queries can fail, so check the return code. Or don't, as queries will become |
|
|
1953 | reliable at some point in the future. |
|
|
1954 | |
|
|
1955 | =cut |
|
|
1956 | |
|
|
1957 | sub cf::client::query { |
|
|
1958 | my ($self, $flags, $text, $cb) = @_; |
|
|
1959 | |
|
|
1960 | return unless $self->state == ST_PLAYING |
|
|
1961 | || $self->state == ST_SETUP |
|
|
1962 | || $self->state == ST_CUSTOM; |
|
|
1963 | |
|
|
1964 | $self->state (ST_CUSTOM); |
|
|
1965 | |
|
|
1966 | utf8::encode $text; |
|
|
1967 | push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; |
|
|
1968 | |
|
|
1969 | $self->send_packet ($self->{query_queue}[0][0]) |
|
|
1970 | if @{ $self->{query_queue} } == 1; |
|
|
1971 | } |
|
|
1972 | |
|
|
1973 | cf::client->attach ( |
|
|
1974 | on_reply => sub { |
|
|
1975 | my ($ns, $msg) = @_; |
|
|
1976 | |
|
|
1977 | # this weird shuffling is so that direct followup queries |
|
|
1978 | # get handled first |
|
|
1979 | my $queue = delete $ns->{query_queue} |
|
|
1980 | or return; # be conservative, not sure how that can happen, but we saw a crash here |
|
|
1981 | |
|
|
1982 | (shift @$queue)->[1]->($msg); |
|
|
1983 | |
|
|
1984 | push @{ $ns->{query_queue} }, @$queue; |
|
|
1985 | |
|
|
1986 | if (@{ $ns->{query_queue} } == @$queue) { |
|
|
1987 | if (@$queue) { |
|
|
1988 | $ns->send_packet ($ns->{query_queue}[0][0]); |
|
|
1989 | } else { |
|
|
1990 | $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; |
|
|
1991 | } |
|
|
1992 | } |
|
|
1993 | }, |
|
|
1994 | ); |
|
|
1995 | |
|
|
1996 | =item $client->async (\&cb) |
|
|
1997 | |
|
|
1998 | Create a new coroutine, running the specified callback. The coroutine will |
|
|
1999 | be automatically cancelled when the client gets destroyed (e.g. on logout, |
|
|
2000 | or loss of connection). |
|
|
2001 | |
|
|
2002 | =cut |
|
|
2003 | |
|
|
2004 | sub cf::client::async { |
|
|
2005 | my ($self, $cb) = @_; |
|
|
2006 | |
|
|
2007 | my $coro = &Coro::async ($cb); |
|
|
2008 | |
|
|
2009 | $coro->on_destroy (sub { |
|
|
2010 | delete $self->{_coro}{$coro+0}; |
|
|
2011 | }); |
|
|
2012 | |
|
|
2013 | $self->{_coro}{$coro+0} = $coro; |
|
|
2014 | |
|
|
2015 | $coro |
|
|
2016 | } |
|
|
2017 | |
|
|
2018 | cf::client->attach ( |
|
|
2019 | on_destroy => sub { |
|
|
2020 | my ($ns) = @_; |
|
|
2021 | |
|
|
2022 | $_->cancel for values %{ (delete $ns->{_coro}) || {} }; |
|
|
2023 | }, |
|
|
2024 | ); |
|
|
2025 | |
|
|
2026 | =back |
|
|
2027 | |
|
|
2028 | |
|
|
2029 | =head2 SAFE SCRIPTING |
|
|
2030 | |
|
|
2031 | Functions that provide a safe environment to compile and execute |
|
|
2032 | snippets of perl code without them endangering the safety of the server |
|
|
2033 | itself. Looping constructs, I/O operators and other built-in functionality |
|
|
2034 | is not available in the safe scripting environment, and the number of |
|
|
2035 | functions and methods that can be called is greatly reduced. |
|
|
2036 | |
|
|
2037 | =cut |
|
|
2038 | |
|
|
2039 | our $safe = new Safe "safe"; |
|
|
2040 | our $safe_hole = new Safe::Hole; |
|
|
2041 | |
|
|
2042 | $SIG{FPE} = 'IGNORE'; |
|
|
2043 | |
|
|
2044 | $safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
|
|
2045 | |
|
|
2046 | # here we export the classes and methods available to script code |
|
|
2047 | |
|
|
2048 | =pod |
|
|
2049 | |
|
|
2050 | The following fucntions and emthods are available within a safe environment: |
|
|
2051 | |
|
|
2052 | cf::object contr pay_amount pay_player map |
|
|
2053 | cf::object::player player |
|
|
2054 | cf::player peaceful |
|
|
2055 | cf::map trigger |
|
|
2056 | |
|
|
2057 | =cut |
|
|
2058 | |
|
|
2059 | for ( |
|
|
2060 | ["cf::object" => qw(contr pay_amount pay_player map)], |
|
|
2061 | ["cf::object::player" => qw(player)], |
|
|
2062 | ["cf::player" => qw(peaceful)], |
|
|
2063 | ["cf::map" => qw(trigger)], |
|
|
2064 | ) { |
|
|
2065 | no strict 'refs'; |
|
|
2066 | my ($pkg, @funs) = @$_; |
|
|
2067 | *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
|
|
2068 | for @funs; |
|
|
2069 | } |
|
|
2070 | |
|
|
2071 | =over 4 |
|
|
2072 | |
|
|
2073 | =item @retval = safe_eval $code, [var => value, ...] |
|
|
2074 | |
|
|
2075 | Compiled and executes the given perl code snippet. additional var/value |
|
|
2076 | pairs result in temporary local (my) scalar variables of the given name |
|
|
2077 | that are available in the code snippet. Example: |
|
|
2078 | |
|
|
2079 | my $five = safe_eval '$first + $second', first => 1, second => 4; |
|
|
2080 | |
|
|
2081 | =cut |
|
|
2082 | |
|
|
2083 | sub safe_eval($;@) { |
|
|
2084 | my ($code, %vars) = @_; |
|
|
2085 | |
|
|
2086 | my $qcode = $code; |
|
|
2087 | $qcode =~ s/"/‟/g; # not allowed in #line filenames |
|
|
2088 | $qcode =~ s/\n/\\n/g; |
|
|
2089 | |
|
|
2090 | local $_; |
|
|
2091 | local @safe::cf::_safe_eval_args = values %vars; |
|
|
2092 | |
|
|
2093 | my $eval = |
|
|
2094 | "do {\n" |
|
|
2095 | . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" |
|
|
2096 | . "#line 0 \"{$qcode}\"\n" |
|
|
2097 | . $code |
|
|
2098 | . "\n}" |
|
|
2099 | ; |
|
|
2100 | |
|
|
2101 | sub_generation_inc; |
|
|
2102 | my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); |
|
|
2103 | sub_generation_inc; |
|
|
2104 | |
|
|
2105 | if ($@) { |
|
|
2106 | warn "$@"; |
|
|
2107 | warn "while executing safe code '$code'\n"; |
|
|
2108 | warn "with arguments " . (join " ", %vars) . "\n"; |
|
|
2109 | } |
|
|
2110 | |
|
|
2111 | wantarray ? @res : $res[0] |
|
|
2112 | } |
|
|
2113 | |
|
|
2114 | =item cf::register_script_function $function => $cb |
|
|
2115 | |
|
|
2116 | Register a function that can be called from within map/npc scripts. The |
|
|
2117 | function should be reasonably secure and should be put into a package name |
|
|
2118 | like the extension. |
|
|
2119 | |
|
|
2120 | Example: register a function that gets called whenever a map script calls |
|
|
2121 | C<rent::overview>, as used by the C<rent> extension. |
|
|
2122 | |
|
|
2123 | cf::register_script_function "rent::overview" => sub { |
|
|
2124 | ... |
|
|
2125 | }; |
|
|
2126 | |
|
|
2127 | =cut |
|
|
2128 | |
|
|
2129 | sub register_script_function { |
|
|
2130 | my ($fun, $cb) = @_; |
|
|
2131 | |
|
|
2132 | no strict 'refs'; |
|
|
2133 | *{"safe::$fun"} = $safe_hole->wrap ($cb); |
|
|
2134 | } |
|
|
2135 | |
|
|
2136 | =back |
|
|
2137 | |
|
|
2138 | =cut |
|
|
2139 | |
|
|
2140 | ############################################################################# |
|
|
2141 | |
|
|
2142 | =head2 EXTENSION DATABASE SUPPORT |
|
|
2143 | |
|
|
2144 | Crossfire maintains a very simple database for extension use. It can |
|
|
2145 | currently store anything that can be serialised using Storable, which |
|
|
2146 | excludes objects. |
|
|
2147 | |
|
|
2148 | The parameter C<$family> should best start with the name of the extension |
|
|
2149 | using it, it should be unique. |
|
|
2150 | |
|
|
2151 | =over 4 |
|
|
2152 | |
|
|
2153 | =item $hashref = cf::db_get $family |
|
|
2154 | |
|
|
2155 | Return a hashref for use by the extension C<$family>, which can be |
|
|
2156 | modified. After modifications, you have to call C<cf::db_dirty> or |
|
|
2157 | C<cf::db_sync>. |
|
|
2158 | |
|
|
2159 | =item $value = cf::db_get $family => $key |
|
|
2160 | |
|
|
2161 | Returns a single value from the database |
|
|
2162 | |
|
|
2163 | =item cf::db_put $family => $hashref |
|
|
2164 | |
|
|
2165 | Stores the given family hashref into the database. Updates are delayed, if |
|
|
2166 | you want the data to be synced to disk immediately, use C<cf::db_sync>. |
|
|
2167 | |
|
|
2168 | =item cf::db_put $family => $key => $value |
|
|
2169 | |
|
|
2170 | Stores the given C<$value> in the family hash. Updates are delayed, if you |
|
|
2171 | want the data to be synced to disk immediately, use C<cf::db_sync>. |
|
|
2172 | |
|
|
2173 | =item cf::db_dirty |
|
|
2174 | |
|
|
2175 | Marks the database as dirty, to be updated at a later time. |
|
|
2176 | |
|
|
2177 | =item cf::db_sync |
|
|
2178 | |
|
|
2179 | Immediately write the database to disk I<if it is dirty>. |
|
|
2180 | |
|
|
2181 | =cut |
|
|
2182 | |
|
|
2183 | our $DB; |
|
|
2184 | |
|
|
2185 | { |
|
|
2186 | my $path = cf::localdir . "/database.pst"; |
|
|
2187 | |
|
|
2188 | sub db_load() { |
|
|
2189 | $DB = stat $path ? Storable::retrieve $path : { }; |
|
|
2190 | } |
|
|
2191 | |
|
|
2192 | my $pid; |
|
|
2193 | |
|
|
2194 | sub db_save() { |
|
|
2195 | waitpid $pid, 0 if $pid; |
|
|
2196 | if (0 == ($pid = fork)) { |
|
|
2197 | $DB->{_meta}{version} = 1; |
|
|
2198 | Storable::nstore $DB, "$path~"; |
|
|
2199 | rename "$path~", $path; |
|
|
2200 | cf::_exit 0 if defined $pid; |
|
|
2201 | } |
|
|
2202 | } |
|
|
2203 | |
|
|
2204 | my $dirty; |
|
|
2205 | |
|
|
2206 | sub db_sync() { |
|
|
2207 | db_save if $dirty; |
|
|
2208 | undef $dirty; |
|
|
2209 | } |
|
|
2210 | |
|
|
2211 | my $idle = Event->idle ( |
|
|
2212 | reentrant => 0, |
|
|
2213 | min => 10, |
|
|
2214 | max => 20, |
|
|
2215 | repeat => 0, |
|
|
2216 | data => WF_AUTOCANCEL, |
|
|
2217 | cb => \&db_sync, |
|
|
2218 | ); |
|
|
2219 | |
|
|
2220 | sub db_dirty() { |
|
|
2221 | $dirty = 1; |
|
|
2222 | $idle->start; |
|
|
2223 | } |
|
|
2224 | |
|
|
2225 | sub db_get($;$) { |
|
|
2226 | @_ >= 2 |
|
|
2227 | ? $DB->{$_[0]}{$_[1]} |
|
|
2228 | : ($DB->{$_[0]} ||= { }) |
|
|
2229 | } |
|
|
2230 | |
|
|
2231 | sub db_put($$;$) { |
|
|
2232 | if (@_ >= 3) { |
|
|
2233 | $DB->{$_[0]}{$_[1]} = $_[2]; |
|
|
2234 | } else { |
|
|
2235 | $DB->{$_[0]} = $_[1]; |
|
|
2236 | } |
|
|
2237 | db_dirty; |
|
|
2238 | } |
|
|
2239 | |
|
|
2240 | cf::global->attach ( |
|
|
2241 | prio => 10000, |
|
|
2242 | on_cleanup => sub { |
|
|
2243 | db_sync; |
|
|
2244 | }, |
|
|
2245 | ); |
|
|
2246 | } |
|
|
2247 | |
|
|
2248 | ############################################################################# |
|
|
2249 | # the server's main() |
|
|
2250 | |
|
|
2251 | sub cfg_load { |
|
|
2252 | open my $fh, "<:utf8", cf::confdir . "/config" |
|
|
2253 | or return; |
|
|
2254 | |
|
|
2255 | local $/; |
|
|
2256 | *CFG = YAML::Syck::Load <$fh>; |
|
|
2257 | |
|
|
2258 | $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; |
|
|
2259 | |
|
|
2260 | $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; |
|
|
2261 | $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; |
|
|
2262 | |
|
|
2263 | if (exists $CFG{mlockall}) { |
| 199 | eval { |
2264 | eval { |
| 200 | unload_extension $_ for @exts; |
2265 | $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" |
| 201 | delete $INC{"cf.pm"}; |
2266 | and die "WARNING: m(un)lockall failed: $!\n"; |
| 202 | |
|
|
| 203 | # don't, removes xs symbols, too |
|
|
| 204 | #Symbol::delete_package $pkg; |
|
|
| 205 | |
|
|
| 206 | require cf; |
|
|
| 207 | }; |
2267 | }; |
| 208 | warn $@ if $@; |
2268 | warn $@ if $@; |
| 209 | $who->message ($@) if $@; |
2269 | } |
| 210 | warn "reloaded\n"; |
2270 | } |
| 211 | |
2271 | |
| 212 | $who->message ("reloaded"); |
2272 | sub main { |
| 213 | } else { |
2273 | # we must not ever block the main coroutine |
| 214 | $who->message ("Intruder Alert!"); |
2274 | local $Coro::idle = sub { |
|
|
2275 | Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# |
|
|
2276 | (async { |
|
|
2277 | Event::one_event; |
|
|
2278 | })->prio (Coro::PRIO_MAX); |
| 215 | } |
2279 | }; |
|
|
2280 | |
|
|
2281 | cfg_load; |
|
|
2282 | db_load; |
|
|
2283 | load_extensions; |
|
|
2284 | |
|
|
2285 | $TICK_WATCHER->start; |
|
|
2286 | Event::loop; |
|
|
2287 | } |
|
|
2288 | |
|
|
2289 | ############################################################################# |
|
|
2290 | # initialisation and cleanup |
|
|
2291 | |
|
|
2292 | # install some emergency cleanup handlers |
|
|
2293 | BEGIN { |
|
|
2294 | for my $signal (qw(INT HUP TERM)) { |
|
|
2295 | Event->signal ( |
|
|
2296 | reentrant => 0, |
|
|
2297 | data => WF_AUTOCANCEL, |
|
|
2298 | signal => $signal, |
|
|
2299 | prio => 0, |
|
|
2300 | cb => sub { |
|
|
2301 | cf::cleanup "SIG$signal"; |
|
|
2302 | }, |
|
|
2303 | ); |
|
|
2304 | } |
|
|
2305 | } |
|
|
2306 | |
|
|
2307 | sub emergency_save() { |
|
|
2308 | my $freeze_guard = cf::freeze_mainloop; |
|
|
2309 | |
|
|
2310 | warn "enter emergency perl save\n"; |
|
|
2311 | |
|
|
2312 | cf::sync_job { |
|
|
2313 | # use a peculiar iteration method to avoid tripping on perl |
|
|
2314 | # refcount bugs in for. also avoids problems with players |
|
|
2315 | # and maps saved/destroyed asynchronously. |
|
|
2316 | warn "begin emergency player save\n"; |
|
|
2317 | for my $login (keys %cf::PLAYER) { |
|
|
2318 | my $pl = $cf::PLAYER{$login} or next; |
|
|
2319 | $pl->valid or next; |
|
|
2320 | $pl->save; |
|
|
2321 | } |
|
|
2322 | warn "end emergency player save\n"; |
|
|
2323 | |
|
|
2324 | warn "begin emergency map save\n"; |
|
|
2325 | for my $path (keys %cf::MAP) { |
|
|
2326 | my $map = $cf::MAP{$path} or next; |
|
|
2327 | $map->valid or next; |
|
|
2328 | $map->save; |
|
|
2329 | } |
|
|
2330 | warn "end emergency map save\n"; |
|
|
2331 | }; |
|
|
2332 | |
|
|
2333 | warn "leave emergency perl save\n"; |
|
|
2334 | } |
|
|
2335 | |
|
|
2336 | sub reload() { |
|
|
2337 | # can/must only be called in main |
|
|
2338 | if ($Coro::current != $Coro::main) { |
|
|
2339 | warn "can only reload from main coroutine"; |
|
|
2340 | return; |
|
|
2341 | } |
|
|
2342 | |
|
|
2343 | warn "reloading..."; |
|
|
2344 | |
|
|
2345 | warn "cancelling server ticker"; |
|
|
2346 | $TICK_WATCHER->cancel; |
|
|
2347 | |
|
|
2348 | cf::emergency_save; |
|
|
2349 | |
|
|
2350 | eval { |
|
|
2351 | # if anything goes wrong in here, we should simply crash as we already saved |
|
|
2352 | |
|
|
2353 | warn "syncing database to disk"; |
|
|
2354 | cf::db_sync; |
|
|
2355 | |
|
|
2356 | warn "cancelling all WF_AUTOCANCEL watchers"; |
|
|
2357 | for (Event::all_watchers) { |
|
|
2358 | $_->cancel if $_->data & WF_AUTOCANCEL; |
|
|
2359 | } |
|
|
2360 | |
|
|
2361 | warn "flushing outstanding aio requests"; |
|
|
2362 | for (;;) { |
|
|
2363 | IO::AIO::flush; |
|
|
2364 | Coro::cede; |
|
|
2365 | last unless IO::AIO::nreqs; |
|
|
2366 | warn "iterate..."; |
|
|
2367 | } |
|
|
2368 | |
|
|
2369 | warn "cancelling all extension coros"; |
|
|
2370 | $_->cancel for values %EXT_CORO; |
|
|
2371 | %EXT_CORO = (); |
|
|
2372 | |
|
|
2373 | warn "removing commands"; |
|
|
2374 | %COMMAND = (); |
|
|
2375 | |
|
|
2376 | warn "removing ext commands"; |
|
|
2377 | %EXTCMD = (); |
|
|
2378 | |
|
|
2379 | warn "unloading/nuking all extensions"; |
|
|
2380 | for my $pkg (@EXTS) { |
|
|
2381 | warn "... unloading $pkg"; |
|
|
2382 | |
|
|
2383 | if (my $cb = $pkg->can ("unload")) { |
|
|
2384 | eval { |
|
|
2385 | $cb->($pkg); |
|
|
2386 | 1 |
|
|
2387 | } or warn "$pkg unloaded, but with errors: $@"; |
|
|
2388 | } |
|
|
2389 | |
|
|
2390 | warn "... nuking $pkg"; |
|
|
2391 | Symbol::delete_package $pkg; |
|
|
2392 | } |
|
|
2393 | |
|
|
2394 | warn "unloading all perl modules loaded from $LIBDIR"; |
|
|
2395 | while (my ($k, $v) = each %INC) { |
|
|
2396 | next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
|
|
2397 | |
|
|
2398 | warn "... unloading $k"; |
|
|
2399 | delete $INC{$k}; |
|
|
2400 | |
|
|
2401 | $k =~ s/\.pm$//; |
|
|
2402 | $k =~ s/\//::/g; |
|
|
2403 | |
|
|
2404 | if (my $cb = $k->can ("unload_module")) { |
|
|
2405 | $cb->(); |
|
|
2406 | } |
|
|
2407 | |
|
|
2408 | Symbol::delete_package $k; |
|
|
2409 | } |
|
|
2410 | |
|
|
2411 | warn "getting rid of safe::, as good as possible"; |
|
|
2412 | Symbol::delete_package "safe::$_" |
|
|
2413 | for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); |
|
|
2414 | |
|
|
2415 | warn "unloading cf.pm \"a bit\""; |
|
|
2416 | delete $INC{"cf.pm"}; |
|
|
2417 | |
|
|
2418 | # don't, removes xs symbols, too, |
|
|
2419 | # and global variables created in xs |
|
|
2420 | #Symbol::delete_package __PACKAGE__; |
|
|
2421 | |
|
|
2422 | warn "unload completed, starting to reload now"; |
|
|
2423 | |
|
|
2424 | warn "reloading cf.pm"; |
|
|
2425 | require cf; |
|
|
2426 | cf::_connect_to_perl; # nominally unnecessary, but cannot hurt |
|
|
2427 | |
|
|
2428 | warn "loading config and database again"; |
|
|
2429 | cf::cfg_load; |
|
|
2430 | cf::db_load; |
|
|
2431 | |
|
|
2432 | warn "loading extensions"; |
|
|
2433 | cf::load_extensions; |
|
|
2434 | |
|
|
2435 | warn "reattaching attachments to objects/players"; |
|
|
2436 | _global_reattach; |
|
|
2437 | warn "reattaching attachments to maps"; |
|
|
2438 | reattach $_ for values %MAP; |
|
|
2439 | |
|
|
2440 | warn "restarting server ticker"; |
|
|
2441 | |
|
|
2442 | $TICK_WATCHER->start; |
|
|
2443 | }; |
|
|
2444 | |
|
|
2445 | if ($@) { |
|
|
2446 | warn $@; |
|
|
2447 | warn "error while reloading, exiting."; |
|
|
2448 | exit 1; |
|
|
2449 | } |
|
|
2450 | |
|
|
2451 | warn "reloaded"; |
| 216 | }; |
2452 | }; |
| 217 | |
2453 | |
| 218 | ############################################################################# |
2454 | our $RELOAD_WATCHER; # used only during reload |
| 219 | # load/save/clean perl data associated with a map |
|
|
| 220 | |
2455 | |
| 221 | *on_mapclean = sub { |
2456 | register_command "reload" => sub { |
| 222 | my ($map) = @_; |
2457 | my ($who, $arg) = @_; |
| 223 | |
2458 | |
| 224 | my $path = $map->tmpname; |
2459 | if ($who->flag (FLAG_WIZ)) { |
| 225 | defined $path or return; |
2460 | $who->message ("reloading server."); |
| 226 | |
2461 | |
| 227 | unlink "$path.cfperl"; |
2462 | # doing reload synchronously and two reloads happen back-to-back, |
|
|
2463 | # coro crashes during coro_state_free->destroy here. |
|
|
2464 | |
|
|
2465 | $RELOAD_WATCHER ||= Event->timer ( |
|
|
2466 | reentrant => 0, |
|
|
2467 | after => 0, |
|
|
2468 | data => WF_AUTOCANCEL, |
|
|
2469 | cb => sub { |
|
|
2470 | reload; |
|
|
2471 | undef $RELOAD_WATCHER; |
|
|
2472 | }, |
|
|
2473 | ); |
|
|
2474 | } |
| 228 | }; |
2475 | }; |
| 229 | |
2476 | |
| 230 | *on_mapin = |
2477 | unshift @INC, $LIBDIR; |
| 231 | *on_mapload = sub { |
|
|
| 232 | my ($map) = @_; |
|
|
| 233 | |
2478 | |
| 234 | my $path = $map->tmpname; |
2479 | my $bug_warning = 0; |
| 235 | $path = $map->path unless defined $path; |
|
|
| 236 | |
2480 | |
| 237 | open my $fh, "<:raw", "$path.cfperl" |
2481 | $TICK_WATCHER = Event->timer ( |
| 238 | or return; # no perl data |
2482 | reentrant => 0, |
| 239 | |
2483 | parked => 1, |
| 240 | my $data = Storable::thaw do { local $/; <$fh> }; |
2484 | prio => 0, |
| 241 | |
2485 | at => $NEXT_TICK || $TICK, |
| 242 | $data->{version} <= 1 |
2486 | data => WF_AUTOCANCEL, |
| 243 | or return; # too new |
2487 | cb => sub { |
| 244 | |
2488 | if ($Coro::current != $Coro::main) { |
| 245 | $map->_set_obs ($data->{obs}); |
2489 | Carp::cluck "major BUG: server tick called outside of main coro, skipping it" |
| 246 | }; |
2490 | unless ++$bug_warning > 10; |
| 247 | |
2491 | return; |
| 248 | *on_mapout = sub { |
|
|
| 249 | my ($map) = @_; |
|
|
| 250 | |
|
|
| 251 | my $path = $map->tmpname; |
|
|
| 252 | $path = $map->path unless defined $path; |
|
|
| 253 | |
|
|
| 254 | my $obs = $map->_get_obs; |
|
|
| 255 | |
|
|
| 256 | if (defined $obs) { |
|
|
| 257 | open my $fh, ">:raw", "$path.cfperl" |
|
|
| 258 | or die "$path.cfperl: $!"; |
|
|
| 259 | |
|
|
| 260 | stat $path; |
|
|
| 261 | |
|
|
| 262 | print $fh Storable::nfreeze { |
|
|
| 263 | size => (stat _)[7], |
|
|
| 264 | time => (stat _)[9], |
|
|
| 265 | version => 1, |
|
|
| 266 | obs => $obs, |
|
|
| 267 | }; |
2492 | } |
| 268 | |
2493 | |
| 269 | chmod SAVE_MODE, "$path.cfperl"; # very racy, but cf-compatible *g* |
2494 | $NOW = Event::time; |
| 270 | } else { |
|
|
| 271 | unlink "$path.cfperl"; |
|
|
| 272 | } |
|
|
| 273 | }; |
|
|
| 274 | |
2495 | |
| 275 | ############################################################################# |
2496 | cf::server_tick; # one server iteration |
| 276 | # load/save perl data associated with player->ob objects |
2497 | $RUNTIME += $TICK; |
|
|
2498 | $NEXT_TICK += $TICK; |
| 277 | |
2499 | |
| 278 | *on_player_load = sub { |
2500 | $WAIT_FOR_TICK->broadcast; |
| 279 | my ($ob, $path) = @_; |
2501 | $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; |
| 280 | |
2502 | |
| 281 | if (open my $fh, "<:raw", "$path.cfperl") { |
2503 | Event::sweep; |
| 282 | |
2504 | Coro::cede_notself; |
| 283 | #d##TODO#remove |
|
|
| 284 | |
|
|
| 285 | my $data = Storable::thaw do { local $/; <$fh> }; |
|
|
| 286 | |
|
|
| 287 | $data->{version} <= 1 |
|
|
| 288 | or return; # too new |
|
|
| 289 | |
|
|
| 290 | %$ob = %{$data->{ob}}; |
|
|
| 291 | return; |
|
|
| 292 | } |
|
|
| 293 | |
|
|
| 294 | for my $o ($ob, $ob->inv) { |
|
|
| 295 | if (my $value = $o->get_ob_key_value ("_perl_data")) { |
|
|
| 296 | $o->set_ob_key_value ("_perl_data"); |
|
|
| 297 | |
|
|
| 298 | %$o = %{ Storable::thaw pack "H*", $value }; |
|
|
| 299 | } |
2505 | |
|
|
2506 | # my $AFTER = Event::time; |
|
|
2507 | # warn $AFTER - $NOW;#d# |
|
|
2508 | |
|
|
2509 | # if we are delayed by four ticks or more, skip them all |
|
|
2510 | $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; |
|
|
2511 | |
|
|
2512 | $TICK_WATCHER->at ($NEXT_TICK); |
|
|
2513 | $TICK_WATCHER->start; |
| 300 | } |
2514 | }, |
| 301 | }; |
2515 | ); |
| 302 | |
2516 | |
| 303 | *on_player_save = sub { |
2517 | IO::AIO::max_poll_time $TICK * 0.1; |
| 304 | my ($ob, $path) = @_; |
|
|
| 305 | |
2518 | |
| 306 | $_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) |
2519 | undef $Coro::AIO::WATCHER; |
| 307 | for grep %$_, $ob, $ob->inv; |
2520 | $AIO_POLL_WATCHER = Event->io ( |
|
|
2521 | reentrant => 0, |
|
|
2522 | fd => IO::AIO::poll_fileno, |
|
|
2523 | poll => 'r', |
|
|
2524 | prio => 6, |
|
|
2525 | data => WF_AUTOCANCEL, |
|
|
2526 | cb => \&IO::AIO::poll_cb, |
|
|
2527 | ); |
| 308 | |
2528 | |
| 309 | unlink "$path.cfperl";#d##TODO#remove |
2529 | $WRITE_RUNTIME_WATCHER = Event->timer ( |
| 310 | }; |
2530 | reentrant => 0, |
|
|
2531 | data => WF_AUTOCANCEL, |
|
|
2532 | after => 1, |
|
|
2533 | interval => 10, |
|
|
2534 | prio => 6, # keep it lowest so it acts like a watchdog |
|
|
2535 | cb => Coro::unblock_sub { |
|
|
2536 | write_runtime |
|
|
2537 | or warn "ERROR: unable to write runtime file: $!"; |
|
|
2538 | }, |
|
|
2539 | ); |
| 311 | |
2540 | |
| 312 | register "<global>", __PACKAGE__; |
2541 | END { cf::emergency_save } |
| 313 | |
|
|
| 314 | load_extensions; |
|
|
| 315 | |
2542 | |
| 316 | 1 |
2543 | 1 |
| 317 | |
2544 | |
