| 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; |
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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; |
| 5 | |
12 | |
| 6 | use strict; |
13 | use Coro 3.5 (); |
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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; |
| 7 | |
19 | |
| 8 | our %COMMAND; |
20 | use BDB (); |
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21 | use Data::Dumper; |
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22 | use Digest::MD5; |
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23 | use Fcntl; |
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24 | use IO::AIO 2.32 (); |
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25 | use YAML::Syck (); |
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26 | use Time::HiRes; |
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27 | use Compress::LZF; |
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28 | |
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29 | Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later |
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30 | |
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31 | use Event; $Event::Eval = 1; # no idea why this is required, but it is |
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32 | |
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33 | sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload |
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34 | |
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35 | # work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? |
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36 | $YAML::Syck::ImplicitUnicode = 1; |
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37 | |
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38 | $Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority |
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39 | |
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40 | our %COMMAND = (); |
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41 | our %COMMAND_TIME = (); |
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42 | |
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43 | our @EXTS = (); # list of extension package names |
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44 | our %EXTCMD = (); |
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45 | our %EXT_CORO = (); # coroutines bound to extensions |
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46 | our %EXT_MAP = (); # pluggable maps |
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47 | |
| 9 | our @EVENT; |
48 | our @EVENT; |
| 10 | our %PROP_TYPE; |
49 | our $LIBDIR = datadir . "/ext"; |
| 11 | our %PROP_IDX; |
50 | |
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51 | our $TICK = MAX_TIME * 1e-6; |
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52 | our $TICK_WATCHER; |
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53 | our $AIO_POLL_WATCHER; |
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54 | our $NEXT_RUNTIME_WRITE; # when should the runtime file be written |
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55 | our $NEXT_TICK; |
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56 | our $NOW; |
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57 | our $USE_FSYNC = 1; # use fsync to write maps - default off |
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58 | |
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59 | our $BDB_POLL_WATCHER; |
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60 | our $DB_ENV; |
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61 | |
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62 | our %CFG; |
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63 | |
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64 | our $UPTIME; $UPTIME ||= time; |
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65 | our $RUNTIME; |
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66 | |
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67 | our %PLAYER; # all users |
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68 | our %MAP; # all maps |
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69 | our $LINK_MAP; # the special {link} map, which is always available |
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70 | our $RANDOM_MAPS = cf::localdir . "/random"; |
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71 | our $BDB_ENV_DIR = cf::localdir . "/db"; |
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72 | |
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73 | our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; |
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74 | our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; |
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75 | |
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76 | # used to convert map paths into valid unix filenames by replacing / by ∕ |
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77 | our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons |
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78 | |
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79 | binmode STDOUT; |
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80 | binmode STDERR; |
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81 | |
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82 | # read virtual server time, if available |
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83 | unless ($RUNTIME || !-e cf::localdir . "/runtime") { |
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84 | open my $fh, "<", cf::localdir . "/runtime" |
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85 | or die "unable to read runtime file: $!"; |
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86 | $RUNTIME = <$fh> + 0.; |
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87 | } |
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88 | |
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89 | mkdir cf::localdir; |
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90 | mkdir cf::localdir . "/" . cf::playerdir; |
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91 | mkdir cf::localdir . "/" . cf::tmpdir; |
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92 | mkdir cf::localdir . "/" . cf::uniquedir; |
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93 | mkdir $RANDOM_MAPS; |
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94 | mkdir $BDB_ENV_DIR; |
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95 | |
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96 | our $EMERGENCY_POSITION; |
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97 | |
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98 | sub cf::map::normalise; |
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99 | |
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100 | ############################################################################# |
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101 | |
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102 | =head2 GLOBAL VARIABLES |
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103 | |
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104 | =over 4 |
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105 | |
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106 | =item $cf::UPTIME |
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107 | |
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108 | The timestamp of the server start (so not actually an uptime). |
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109 | |
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110 | =item $cf::RUNTIME |
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111 | |
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112 | The time this server has run, starts at 0 and is increased by $cf::TICK on |
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113 | every server tick. |
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114 | |
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115 | =item $cf::LIBDIR |
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116 | |
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117 | The perl library directory, where extensions and cf-specific modules can |
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118 | be found. It will be added to C<@INC> automatically. |
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119 | |
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120 | =item $cf::NOW |
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121 | |
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122 | The time of the last (current) server tick. |
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123 | |
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124 | =item $cf::TICK |
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125 | |
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126 | The interval between server ticks, in seconds. |
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127 | |
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128 | =item %cf::CFG |
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129 | |
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130 | Configuration for the server, loaded from C</etc/crossfire/config>, or |
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131 | from wherever your confdir points to. |
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132 | |
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133 | =item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE |
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134 | |
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135 | These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) |
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136 | or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick |
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137 | processing has been done. Call C<< ->wait >> on them to maximise the |
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138 | window of cpu time available, or simply to synchronise to the server tick. |
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139 | |
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140 | =back |
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141 | |
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142 | =cut |
| 12 | |
143 | |
| 13 | BEGIN { |
144 | BEGIN { |
| 14 | @EVENT = map lc, @EVENT; |
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| 15 | |
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| 16 | *CORE::GLOBAL::warn = sub { |
145 | *CORE::GLOBAL::warn = sub { |
| 17 | my $msg = join "", @_; |
146 | my $msg = join "", @_; |
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147 | utf8::encode $msg; |
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148 | |
| 18 | $msg .= "\n" |
149 | $msg .= "\n" |
| 19 | unless $msg =~ /\n$/; |
150 | unless $msg =~ /\n$/; |
| 20 | |
151 | |
| 21 | print STDERR "cfperl: $msg"; |
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| 22 | LOG llevError, "cfperl: $msg"; |
152 | LOG llevError, $msg; |
| 23 | }; |
153 | }; |
| 24 | } |
154 | } |
| 25 | |
155 | |
| 26 | # generate property mutators |
156 | @safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; |
| 27 | sub prop_gen { |
157 | @safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; |
| 28 | my ($prefix, $class) = @_; |
158 | @safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; |
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159 | @safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; |
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160 | @safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; |
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161 | @safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
| 29 | |
162 | |
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163 | # we bless all objects into (empty) derived classes to force a method lookup |
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164 | # within the Safe compartment. |
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165 | for my $pkg (qw( |
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166 | cf::global cf::attachable |
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167 | cf::object cf::object::player |
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168 | cf::client cf::player |
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169 | cf::arch cf::living |
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170 | cf::map cf::party cf::region |
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171 | )) { |
| 30 | no strict 'refs'; |
172 | no strict 'refs'; |
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173 | @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
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174 | } |
| 31 | |
175 | |
| 32 | for my $prop (keys %PROP_TYPE) { |
176 | $Event::DIED = sub { |
| 33 | $prop =~ /^\Q$prefix\E_(.*$)/ or next; |
177 | warn "error in event callback: @_"; |
| 34 | my $sub = lc $1; |
178 | }; |
| 35 | |
179 | |
| 36 | my $type = $PROP_TYPE{$prop}; |
180 | =head2 UTILITY FUNCTIONS |
| 37 | my $idx = $PROP_IDX {$prop}; |
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| 38 | |
181 | |
| 39 | *{"$class\::get_$sub"} = *{"$class\::$sub"} = sub { |
182 | =over 4 |
| 40 | $_[0]->get_property ($type, $idx) |
183 | |
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184 | =item dumpval $ref |
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185 | |
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186 | =cut |
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187 | |
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188 | sub dumpval { |
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189 | eval { |
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190 | local $SIG{__DIE__}; |
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191 | my $d; |
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192 | if (1) { |
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193 | $d = new Data::Dumper([$_[0]], ["*var"]); |
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194 | $d->Terse(1); |
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195 | $d->Indent(2); |
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196 | $d->Quotekeys(0); |
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197 | $d->Useqq(1); |
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198 | #$d->Bless(...); |
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199 | $d->Seen($_[1]) if @_ > 1; |
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200 | $d = $d->Dump(); |
| 41 | }; |
201 | } |
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202 | $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; |
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203 | $d |
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204 | } || "[unable to dump $_[0]: '$@']"; |
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205 | } |
| 42 | |
206 | |
| 43 | *{"$class\::set_$sub"} = sub { |
207 | use JSON::Syck (); # TODO# replace by JSON::PC once working |
| 44 | $_[0]->set_property ($type, $idx, $_[1]); |
208 | |
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209 | =item $ref = cf::from_json $json |
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210 | |
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211 | Converts a JSON string into the corresponding perl data structure. |
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212 | |
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213 | =cut |
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214 | |
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215 | sub from_json($) { |
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216 | $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs |
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217 | JSON::Syck::Load $_[0] |
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218 | } |
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219 | |
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220 | =item $json = cf::to_json $ref |
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221 | |
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222 | Converts a perl data structure into its JSON representation. |
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223 | |
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224 | =cut |
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225 | |
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226 | sub to_json($) { |
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227 | $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
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228 | JSON::Syck::Dump $_[0] |
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229 | } |
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230 | |
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231 | =item cf::lock_wait $string |
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232 | |
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233 | Wait until the given lock is available. See cf::lock_acquire. |
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234 | |
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235 | =item my $lock = cf::lock_acquire $string |
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236 | |
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237 | Wait until the given lock is available and then acquires it and returns |
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238 | a Coro::guard object. If the guard object gets destroyed (goes out of scope, |
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239 | for example when the coroutine gets canceled), the lock is automatically |
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240 | returned. |
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241 | |
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242 | Lock names should begin with a unique identifier (for example, cf::map::find |
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243 | uses map_find and cf::map::load uses map_load). |
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244 | |
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245 | =cut |
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246 | |
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247 | our %LOCK; |
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248 | |
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249 | sub lock_wait($) { |
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250 | my ($key) = @_; |
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251 | |
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252 | # wait for lock, if any |
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253 | while ($LOCK{$key}) { |
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254 | push @{ $LOCK{$key} }, $Coro::current; |
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255 | Coro::schedule; |
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256 | } |
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257 | } |
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258 | |
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259 | sub lock_acquire($) { |
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260 | my ($key) = @_; |
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261 | |
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262 | # wait, to be sure we are not locked |
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263 | lock_wait $key; |
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264 | |
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265 | $LOCK{$key} = []; |
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266 | |
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267 | Coro::guard { |
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268 | # wake up all waiters, to be on the safe side |
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269 | $_->ready for @{ delete $LOCK{$key} }; |
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270 | } |
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271 | } |
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272 | |
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273 | sub freeze_mainloop { |
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274 | return unless $TICK_WATCHER->is_active; |
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275 | |
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276 | my $guard = Coro::guard { |
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277 | $TICK_WATCHER->start; |
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278 | }; |
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279 | $TICK_WATCHER->stop; |
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280 | $guard |
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281 | } |
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282 | |
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283 | =item cf::async { BLOCK } |
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284 | |
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285 | Currently the same as Coro::async_pool, meaning you cannot use |
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286 | C<on_destroy>, C<join> or other gimmicks on these coroutines. The only |
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287 | thing you are allowed to do is call C<prio> on it. |
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288 | |
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289 | =cut |
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290 | |
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291 | BEGIN { *async = \&Coro::async_pool } |
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292 | |
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293 | =item cf::sync_job { BLOCK } |
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294 | |
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295 | The design of crossfire+ requires that the main coro ($Coro::main) is |
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296 | always able to handle events or runnable, as crossfire+ is only partly |
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297 | reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. |
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298 | |
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299 | If it must be done, put the blocking parts into C<sync_job>. This will run |
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300 | the given BLOCK in another coroutine while waiting for the result. The |
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301 | server will be frozen during this time, so the block should either finish |
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302 | fast or be very important. |
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303 | |
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304 | =cut |
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305 | |
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306 | sub sync_job(&) { |
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307 | my ($job) = @_; |
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308 | |
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309 | if ($Coro::current == $Coro::main) { |
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310 | # this is the main coro, too bad, we have to block |
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311 | # till the operation succeeds, freezing the server :/ |
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312 | |
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313 | # TODO: use suspend/resume instead |
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314 | # (but this is cancel-safe) |
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315 | my $freeze_guard = freeze_mainloop; |
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316 | |
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317 | my $busy = 1; |
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318 | my @res; |
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319 | |
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320 | (async { |
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321 | @res = eval { $job->() }; |
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322 | warn $@ if $@; |
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323 | undef $busy; |
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324 | })->prio (Coro::PRIO_MAX); |
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325 | |
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326 | while ($busy) { |
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327 | Coro::cede or Event::one_event; |
| 45 | }; |
328 | } |
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329 | |
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330 | wantarray ? @res : $res[0] |
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331 | } else { |
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332 | # we are in another coroutine, how wonderful, everything just works |
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333 | |
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334 | $job->() |
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335 | } |
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336 | } |
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337 | |
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338 | =item $coro = cf::async_ext { BLOCK } |
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339 | |
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340 | Like async, but this coro is automatically being canceled when the |
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341 | extension calling this is being unloaded. |
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342 | |
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343 | =cut |
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344 | |
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345 | sub async_ext(&) { |
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346 | my $cb = shift; |
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347 | |
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348 | my $coro = &Coro::async ($cb); |
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349 | |
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350 | $coro->on_destroy (sub { |
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351 | delete $EXT_CORO{$coro+0}; |
| 46 | } |
352 | }); |
| 47 | } |
353 | $EXT_CORO{$coro+0} = $coro; |
| 48 | |
354 | |
| 49 | # auto-generate most of the API |
355 | $coro |
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356 | } |
| 50 | |
357 | |
| 51 | prop_gen OBJECT_PROP => "cf::object"; |
358 | sub write_runtime { |
| 52 | # CFAPI_OBJECT_ANIMATION? |
359 | my $guard = cf::lock_acquire "write_runtime"; |
| 53 | prop_gen PLAYER_PROP => "cf::object::player"; |
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| 54 | |
360 | |
| 55 | prop_gen MAP_PROP => "cf::map"; |
361 | my $runtime = cf::localdir . "/runtime"; |
| 56 | prop_gen ARCH_PROP => "cf::arch"; |
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| 57 | |
362 | |
| 58 | # guessed hierarchies |
363 | my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 |
| 59 | |
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| 60 | @cf::object::player::ISA = 'cf::object'; |
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| 61 | @cf::object::map::ISA = 'cf::object'; |
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| 62 | |
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| 63 | my @exts; |
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| 64 | my @hook; |
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| 65 | my %command; |
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| 66 | |
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| 67 | sub inject_event { |
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| 68 | my ($data) = @_; |
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| 69 | |
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| 70 | my $cb = $hook[$data->{event_code}] |
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| 71 | or return; |
364 | or return; |
| 72 | |
365 | |
| 73 | $_->($data) for values %$cb; |
366 | my $value = $cf::RUNTIME + 90 + 10; |
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367 | # 10 is the runtime save interval, for a monotonic clock |
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368 | # 60 allows for the watchdog to kill the server. |
| 74 | |
369 | |
| 75 | () |
370 | (aio_write $fh, 0, (length $value), $value, 0) <= 0 |
| 76 | } |
371 | and return; |
| 77 | |
372 | |
| 78 | sub inject_command { |
373 | # always fsync - this file is important |
| 79 | my ($name, $obj, $params) = @_; |
374 | aio_fsync $fh |
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375 | and return; |
| 80 | |
376 | |
| 81 | for my $cmd (@{ $command{$name} }) { |
377 | close $fh |
| 82 | $cmd->[1]->($obj, $params); |
378 | or return; |
| 83 | } |
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| 84 | |
379 | |
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380 | aio_rename "$runtime~", $runtime |
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381 | and return; |
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382 | |
| 85 | -1 |
383 | 1 |
| 86 | } |
384 | } |
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385 | |
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386 | =back |
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387 | |
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388 | =cut |
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389 | |
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390 | ############################################################################# |
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391 | |
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392 | =head2 ATTACHABLE OBJECTS |
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393 | |
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394 | Many objects in crossfire are so-called attachable objects. That means you can |
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395 | attach callbacks/event handlers (a collection of which is called an "attachment") |
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396 | to it. All such attachable objects support the following methods. |
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397 | |
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398 | In the following description, CLASS can be any of C<global>, C<object> |
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399 | C<player>, C<client> or C<map> (i.e. the attachable objects in |
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400 | crossfire+). |
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401 | |
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402 | =over 4 |
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403 | |
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404 | =item $attachable->attach ($attachment, key => $value...) |
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405 | |
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406 | =item $attachable->detach ($attachment) |
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407 | |
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408 | Attach/detach a pre-registered attachment to a specific object and give it |
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409 | the specified key/value pairs as arguments. |
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410 | |
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411 | Example, attach a minesweeper attachment to the given object, making it a |
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412 | 10x10 minesweeper game: |
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413 | |
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414 | $obj->attach (minesweeper => width => 10, height => 10); |
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415 | |
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416 | =item $bool = $attachable->attached ($name) |
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417 | |
|
|
418 | Checks wether the named attachment is currently attached to the object. |
|
|
419 | |
|
|
420 | =item cf::CLASS->attach ... |
|
|
421 | |
|
|
422 | =item cf::CLASS->detach ... |
|
|
423 | |
|
|
424 | Define an anonymous attachment and attach it to all objects of the given |
|
|
425 | CLASS. See the next function for an explanation of its arguments. |
|
|
426 | |
|
|
427 | You can attach to global events by using the C<cf::global> class. |
|
|
428 | |
|
|
429 | Example, log all player logins: |
|
|
430 | |
|
|
431 | cf::player->attach ( |
|
|
432 | on_login => sub { |
|
|
433 | my ($pl) = @_; |
|
|
434 | ... |
|
|
435 | }, |
|
|
436 | ); |
|
|
437 | |
|
|
438 | Example, attach to the jeweler skill: |
|
|
439 | |
|
|
440 | cf::object->attach ( |
|
|
441 | type => cf::SKILL, |
|
|
442 | subtype => cf::SK_JEWELER, |
|
|
443 | on_use_skill => sub { |
|
|
444 | my ($sk, $ob, $part, $dir, $msg) = @_; |
|
|
445 | ... |
|
|
446 | }, |
|
|
447 | ); |
|
|
448 | |
|
|
449 | =item cf::CLASS::attachment $name, ... |
|
|
450 | |
|
|
451 | Register an attachment by C<$name> through which attachable objects of the |
|
|
452 | given CLASS can refer to this attachment. |
|
|
453 | |
|
|
454 | Some classes such as crossfire maps and objects can specify attachments |
|
|
455 | that are attached at load/instantiate time, thus the need for a name. |
|
|
456 | |
|
|
457 | These calls expect any number of the following handler/hook descriptions: |
|
|
458 | |
|
|
459 | =over 4 |
|
|
460 | |
|
|
461 | =item prio => $number |
|
|
462 | |
|
|
463 | Set the priority for all following handlers/hooks (unless overwritten |
|
|
464 | by another C<prio> setting). Lower priority handlers get executed |
|
|
465 | earlier. The default priority is C<0>, and many built-in handlers are |
|
|
466 | registered at priority C<-1000>, so lower priorities should not be used |
|
|
467 | unless you know what you are doing. |
|
|
468 | |
|
|
469 | =item type => $type |
|
|
470 | |
|
|
471 | (Only for C<< cf::object->attach >> calls), limits the attachment to the |
|
|
472 | given type of objects only (the additional parameter C<subtype> can be |
|
|
473 | used to further limit to the given subtype). |
|
|
474 | |
|
|
475 | =item on_I<event> => \&cb |
|
|
476 | |
|
|
477 | Call the given code reference whenever the named event happens (event is |
|
|
478 | something like C<instantiate>, C<apply>, C<use_skill> and so on, and which |
|
|
479 | handlers are recognised generally depends on the type of object these |
|
|
480 | handlers attach to). |
|
|
481 | |
|
|
482 | See F<include/eventinc.h> for the full list of events supported, and their |
|
|
483 | class. |
|
|
484 | |
|
|
485 | =item package => package:: |
|
|
486 | |
|
|
487 | Look for sub functions of the name C<< on_I<event> >> in the given |
|
|
488 | package and register them. Only handlers for eevents supported by the |
|
|
489 | object/class are recognised. |
|
|
490 | |
|
|
491 | =back |
|
|
492 | |
|
|
493 | Example, define an attachment called "sockpuppet" that calls the given |
|
|
494 | event handler when a monster attacks: |
|
|
495 | |
|
|
496 | cf::object::attachment sockpuppet => |
|
|
497 | on_skill_attack => sub { |
|
|
498 | my ($self, $victim) = @_; |
|
|
499 | ... |
|
|
500 | } |
|
|
501 | } |
|
|
502 | |
|
|
503 | =item $attachable->valid |
|
|
504 | |
|
|
505 | Just because you have a perl object does not mean that the corresponding |
|
|
506 | C-level object still exists. If you try to access an object that has no |
|
|
507 | valid C counterpart anymore you get an exception at runtime. This method |
|
|
508 | can be used to test for existence of the C object part without causing an |
|
|
509 | exception. |
|
|
510 | |
|
|
511 | =cut |
|
|
512 | |
|
|
513 | # the following variables are defined in .xs and must not be re-created |
|
|
514 | our @CB_GLOBAL = (); # registry for all global events |
|
|
515 | our @CB_ATTACHABLE = (); # registry for all attachables |
|
|
516 | our @CB_OBJECT = (); # all objects (should not be used except in emergency) |
|
|
517 | our @CB_PLAYER = (); |
|
|
518 | our @CB_CLIENT = (); |
|
|
519 | our @CB_TYPE = (); # registry for type (cf-object class) based events |
|
|
520 | our @CB_MAP = (); |
|
|
521 | |
|
|
522 | my %attachment; |
|
|
523 | |
|
|
524 | sub cf::attachable::thawer_merge { |
|
|
525 | # simply override everything except _meta |
|
|
526 | local $_[0]{_meta}; |
|
|
527 | %{$_[0]} = %{$_[1]}; |
|
|
528 | } |
|
|
529 | |
|
|
530 | sub _attach_cb($$$$) { |
|
|
531 | my ($registry, $event, $prio, $cb) = @_; |
|
|
532 | |
|
|
533 | use sort 'stable'; |
|
|
534 | |
|
|
535 | $cb = [$prio, $cb]; |
|
|
536 | |
|
|
537 | @{$registry->[$event]} = sort |
|
|
538 | { $a->[0] cmp $b->[0] } |
|
|
539 | @{$registry->[$event] || []}, $cb; |
|
|
540 | } |
|
|
541 | |
|
|
542 | # hack |
|
|
543 | my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP; |
|
|
544 | |
|
|
545 | # attach handles attaching event callbacks |
|
|
546 | # the only thing the caller has to do is pass the correct |
|
|
547 | # registry (== where the callback attaches to). |
|
|
548 | sub _attach { |
|
|
549 | my ($registry, $klass, @arg) = @_; |
|
|
550 | |
|
|
551 | my $object_type; |
|
|
552 | my $prio = 0; |
|
|
553 | my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT; |
|
|
554 | |
|
|
555 | #TODO: get rid of this hack |
|
|
556 | if ($attachable_klass{$klass}) { |
|
|
557 | %cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT); |
|
|
558 | } |
|
|
559 | |
|
|
560 | while (@arg) { |
|
|
561 | my $type = shift @arg; |
|
|
562 | |
|
|
563 | if ($type eq "prio") { |
|
|
564 | $prio = shift @arg; |
|
|
565 | |
|
|
566 | } elsif ($type eq "type") { |
|
|
567 | $object_type = shift @arg; |
|
|
568 | $registry = $CB_TYPE[$object_type] ||= []; |
|
|
569 | |
|
|
570 | } elsif ($type eq "subtype") { |
|
|
571 | defined $object_type or Carp::croak "subtype specified without type"; |
|
|
572 | my $object_subtype = shift @arg; |
|
|
573 | $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; |
|
|
574 | |
|
|
575 | } elsif ($type eq "package") { |
|
|
576 | my $pkg = shift @arg; |
|
|
577 | |
|
|
578 | while (my ($name, $id) = each %cb_id) { |
|
|
579 | if (my $cb = $pkg->can ($name)) { |
|
|
580 | _attach_cb $registry, $id, $prio, $cb; |
|
|
581 | } |
|
|
582 | } |
|
|
583 | |
|
|
584 | } elsif (exists $cb_id{$type}) { |
|
|
585 | _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; |
|
|
586 | |
|
|
587 | } elsif (ref $type) { |
|
|
588 | warn "attaching objects not supported, ignoring.\n"; |
|
|
589 | |
|
|
590 | } else { |
|
|
591 | shift @arg; |
|
|
592 | warn "attach argument '$type' not supported, ignoring.\n"; |
|
|
593 | } |
|
|
594 | } |
|
|
595 | } |
|
|
596 | |
|
|
597 | sub _object_attach { |
|
|
598 | my ($obj, $name, %arg) = @_; |
|
|
599 | |
|
|
600 | return if exists $obj->{_attachment}{$name}; |
|
|
601 | |
|
|
602 | if (my $attach = $attachment{$name}) { |
|
|
603 | my $registry = $obj->registry; |
|
|
604 | |
|
|
605 | for (@$attach) { |
|
|
606 | my ($klass, @attach) = @$_; |
|
|
607 | _attach $registry, $klass, @attach; |
|
|
608 | } |
|
|
609 | |
|
|
610 | $obj->{$name} = \%arg; |
|
|
611 | } else { |
|
|
612 | warn "object uses attachment '$name' that is not available, postponing.\n"; |
|
|
613 | } |
|
|
614 | |
|
|
615 | $obj->{_attachment}{$name} = undef; |
|
|
616 | } |
|
|
617 | |
|
|
618 | sub cf::attachable::attach { |
|
|
619 | if (ref $_[0]) { |
|
|
620 | _object_attach @_; |
|
|
621 | } else { |
|
|
622 | _attach shift->_attach_registry, @_; |
|
|
623 | } |
|
|
624 | }; |
|
|
625 | |
|
|
626 | # all those should be optimised |
|
|
627 | sub cf::attachable::detach { |
|
|
628 | my ($obj, $name) = @_; |
|
|
629 | |
|
|
630 | if (ref $obj) { |
|
|
631 | delete $obj->{_attachment}{$name}; |
|
|
632 | reattach ($obj); |
|
|
633 | } else { |
|
|
634 | Carp::croak "cannot, currently, detach class attachments"; |
|
|
635 | } |
|
|
636 | }; |
|
|
637 | |
|
|
638 | sub cf::attachable::attached { |
|
|
639 | my ($obj, $name) = @_; |
|
|
640 | |
|
|
641 | exists $obj->{_attachment}{$name} |
|
|
642 | } |
|
|
643 | |
|
|
644 | for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) { |
|
|
645 | eval "#line " . __LINE__ . " 'cf.pm' |
|
|
646 | sub cf::\L$klass\E::_attach_registry { |
|
|
647 | (\\\@CB_$klass, KLASS_$klass) |
|
|
648 | } |
|
|
649 | |
|
|
650 | sub cf::\L$klass\E::attachment { |
|
|
651 | my \$name = shift; |
|
|
652 | |
|
|
653 | \$attachment{\$name} = [[KLASS_$klass, \@_]]; |
|
|
654 | } |
|
|
655 | "; |
|
|
656 | die if $@; |
|
|
657 | } |
|
|
658 | |
|
|
659 | our $override; |
|
|
660 | our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? |
|
|
661 | |
|
|
662 | sub override { |
|
|
663 | $override = 1; |
|
|
664 | @invoke_results = (); |
|
|
665 | } |
|
|
666 | |
|
|
667 | sub do_invoke { |
|
|
668 | my $event = shift; |
|
|
669 | my $callbacks = shift; |
|
|
670 | |
|
|
671 | @invoke_results = (); |
|
|
672 | |
|
|
673 | local $override; |
|
|
674 | |
|
|
675 | for (@$callbacks) { |
|
|
676 | eval { &{$_->[1]} }; |
|
|
677 | |
|
|
678 | if ($@) { |
|
|
679 | warn "$@"; |
|
|
680 | warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; |
|
|
681 | override; |
|
|
682 | } |
|
|
683 | |
|
|
684 | return 1 if $override; |
|
|
685 | } |
|
|
686 | |
|
|
687 | 0 |
|
|
688 | } |
|
|
689 | |
|
|
690 | =item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) |
|
|
691 | |
|
|
692 | =item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) |
|
|
693 | |
|
|
694 | Generate an object-specific event with the given arguments. |
|
|
695 | |
|
|
696 | This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be |
|
|
697 | removed in future versions), and there is no public API to access override |
|
|
698 | results (if you must, access C<@cf::invoke_results> directly). |
|
|
699 | |
|
|
700 | =back |
|
|
701 | |
|
|
702 | =cut |
|
|
703 | |
|
|
704 | ############################################################################# |
|
|
705 | # object support |
|
|
706 | |
|
|
707 | sub reattach { |
|
|
708 | # basically do the same as instantiate, without calling instantiate |
|
|
709 | my ($obj) = @_; |
|
|
710 | |
|
|
711 | bless $obj, ref $obj; # re-bless in case extensions have been reloaded |
|
|
712 | |
|
|
713 | my $registry = $obj->registry; |
|
|
714 | |
|
|
715 | @$registry = (); |
|
|
716 | |
|
|
717 | delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} }; |
|
|
718 | |
|
|
719 | for my $name (keys %{ $obj->{_attachment} || {} }) { |
|
|
720 | if (my $attach = $attachment{$name}) { |
|
|
721 | for (@$attach) { |
|
|
722 | my ($klass, @attach) = @$_; |
|
|
723 | _attach $registry, $klass, @attach; |
|
|
724 | } |
|
|
725 | } else { |
|
|
726 | warn "object uses attachment '$name' that is not available, postponing.\n"; |
|
|
727 | } |
|
|
728 | } |
|
|
729 | } |
|
|
730 | |
|
|
731 | cf::attachable->attach ( |
|
|
732 | prio => -1000000, |
|
|
733 | on_instantiate => sub { |
|
|
734 | my ($obj, $data) = @_; |
|
|
735 | |
|
|
736 | $data = from_json $data; |
|
|
737 | |
|
|
738 | for (@$data) { |
|
|
739 | my ($name, $args) = @$_; |
|
|
740 | |
|
|
741 | $obj->attach ($name, %{$args || {} }); |
|
|
742 | } |
|
|
743 | }, |
|
|
744 | on_reattach => \&reattach, |
|
|
745 | on_clone => sub { |
|
|
746 | my ($src, $dst) = @_; |
|
|
747 | |
|
|
748 | @{$dst->registry} = @{$src->registry}; |
|
|
749 | |
|
|
750 | %$dst = %$src; |
|
|
751 | |
|
|
752 | %{$dst->{_attachment}} = %{$src->{_attachment}} |
|
|
753 | if exists $src->{_attachment}; |
|
|
754 | }, |
|
|
755 | ); |
|
|
756 | |
|
|
757 | sub object_freezer_save { |
|
|
758 | my ($filename, $rdata, $objs) = @_; |
|
|
759 | |
|
|
760 | sync_job { |
|
|
761 | if (length $$rdata) { |
|
|
762 | warn sprintf "saving %s (%d,%d)\n", |
|
|
763 | $filename, length $$rdata, scalar @$objs; |
|
|
764 | |
|
|
765 | if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { |
|
|
766 | chmod SAVE_MODE, $fh; |
|
|
767 | aio_write $fh, 0, (length $$rdata), $$rdata, 0; |
|
|
768 | aio_fsync $fh if $cf::USE_FSYNC; |
|
|
769 | close $fh; |
|
|
770 | |
|
|
771 | if (@$objs) { |
|
|
772 | if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { |
|
|
773 | chmod SAVE_MODE, $fh; |
|
|
774 | my $data = Storable::nfreeze { version => 1, objs => $objs }; |
|
|
775 | aio_write $fh, 0, (length $data), $data, 0; |
|
|
776 | aio_fsync $fh if $cf::USE_FSYNC; |
|
|
777 | close $fh; |
|
|
778 | aio_rename "$filename.pst~", "$filename.pst"; |
|
|
779 | } |
|
|
780 | } else { |
|
|
781 | aio_unlink "$filename.pst"; |
|
|
782 | } |
|
|
783 | |
|
|
784 | aio_rename "$filename~", $filename; |
|
|
785 | } else { |
|
|
786 | warn "FATAL: $filename~: $!\n"; |
|
|
787 | } |
|
|
788 | } else { |
|
|
789 | aio_unlink $filename; |
|
|
790 | aio_unlink "$filename.pst"; |
|
|
791 | } |
|
|
792 | } |
|
|
793 | } |
|
|
794 | |
|
|
795 | sub object_freezer_as_string { |
|
|
796 | my ($rdata, $objs) = @_; |
|
|
797 | |
|
|
798 | use Data::Dumper; |
|
|
799 | |
|
|
800 | $$rdata . Dumper $objs |
|
|
801 | } |
|
|
802 | |
|
|
803 | sub object_thawer_load { |
|
|
804 | my ($filename) = @_; |
|
|
805 | |
|
|
806 | my ($data, $av); |
|
|
807 | |
|
|
808 | (aio_load $filename, $data) >= 0 |
|
|
809 | or return; |
|
|
810 | |
|
|
811 | unless (aio_stat "$filename.pst") { |
|
|
812 | (aio_load "$filename.pst", $av) >= 0 |
|
|
813 | or return; |
|
|
814 | $av = eval { (Storable::thaw $av)->{objs} }; |
|
|
815 | } |
|
|
816 | |
|
|
817 | warn sprintf "loading %s (%d)\n", |
|
|
818 | $filename, length $data, scalar @{$av || []};#d# |
|
|
819 | return ($data, $av); |
|
|
820 | } |
|
|
821 | |
|
|
822 | ############################################################################# |
|
|
823 | # command handling &c |
|
|
824 | |
|
|
825 | =item cf::register_command $name => \&callback($ob,$args); |
|
|
826 | |
|
|
827 | Register a callback for execution when the client sends the user command |
|
|
828 | $name. |
|
|
829 | |
|
|
830 | =cut |
| 87 | |
831 | |
| 88 | sub register_command { |
832 | sub register_command { |
| 89 | my ($name, $time, $cb) = @_; |
833 | my ($name, $cb) = @_; |
| 90 | |
834 | |
| 91 | my $caller = caller; |
835 | my $caller = caller; |
|
|
836 | #warn "registering command '$name/$time' to '$caller'"; |
| 92 | |
837 | |
| 93 | push @{ $command{$name} }, [$time, $cb, $caller]; |
838 | push @{ $COMMAND{$name} }, [$caller, $cb]; |
| 94 | $COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} }; |
|
|
| 95 | } |
839 | } |
|
|
840 | |
|
|
841 | =item cf::register_extcmd $name => \&callback($pl,$packet); |
|
|
842 | |
|
|
843 | Register a callbackf ro execution when the client sends an extcmd packet. |
|
|
844 | |
|
|
845 | If the callback returns something, it is sent back as if reply was being |
|
|
846 | called. |
|
|
847 | |
|
|
848 | =cut |
|
|
849 | |
|
|
850 | sub register_extcmd { |
|
|
851 | my ($name, $cb) = @_; |
|
|
852 | |
|
|
853 | $EXTCMD{$name} = $cb; |
|
|
854 | } |
|
|
855 | |
|
|
856 | cf::player->attach ( |
|
|
857 | on_command => sub { |
|
|
858 | my ($pl, $name, $params) = @_; |
|
|
859 | |
|
|
860 | my $cb = $COMMAND{$name} |
|
|
861 | or return; |
|
|
862 | |
|
|
863 | for my $cmd (@$cb) { |
|
|
864 | $cmd->[1]->($pl->ob, $params); |
|
|
865 | } |
|
|
866 | |
|
|
867 | cf::override; |
|
|
868 | }, |
|
|
869 | on_extcmd => sub { |
|
|
870 | my ($pl, $buf) = @_; |
|
|
871 | |
|
|
872 | my $msg = eval { from_json $buf }; |
|
|
873 | |
|
|
874 | if (ref $msg) { |
|
|
875 | if (my $cb = $EXTCMD{$msg->{msgtype}}) { |
|
|
876 | if (my %reply = $cb->($pl, $msg)) { |
|
|
877 | $pl->ext_reply ($msg->{msgid}, %reply); |
|
|
878 | } |
|
|
879 | } |
|
|
880 | } else { |
|
|
881 | warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; |
|
|
882 | } |
|
|
883 | |
|
|
884 | cf::override; |
|
|
885 | }, |
|
|
886 | ); |
| 96 | |
887 | |
| 97 | sub load_extension { |
888 | sub load_extension { |
| 98 | my ($path) = @_; |
889 | my ($path) = @_; |
| 99 | |
890 | |
| 100 | $path =~ /([^\/\\]+)\.ext$/ or die "$path"; |
891 | $path =~ /([^\/\\]+)\.ext$/ or die "$path"; |
|
|
892 | my $base = $1; |
| 101 | my $pkg = $1; |
893 | my $pkg = $1; |
| 102 | $pkg =~ s/[^[:word:]]/_/g; |
894 | $pkg =~ s/[^[:word:]]/_/g; |
| 103 | $pkg = "cf::ext::$pkg"; |
895 | $pkg = "ext::$pkg"; |
| 104 | |
896 | |
| 105 | warn "loading '$path' into '$pkg'\n"; |
897 | warn "... loading '$path' into '$pkg'\n"; |
| 106 | |
898 | |
| 107 | open my $fh, "<:utf8", $path |
899 | open my $fh, "<:utf8", $path |
| 108 | or die "$path: $!"; |
900 | or die "$path: $!"; |
| 109 | |
901 | |
| 110 | my $source = |
902 | my $source = |
| 111 | "package $pkg; use strict; use utf8;\n" |
903 | "package $pkg; use strict; use utf8;\n" |
| 112 | . "#line 1 \"$path\"\n{\n" |
904 | . "#line 1 \"$path\"\n{\n" |
| 113 | . (do { local $/; <$fh> }) |
905 | . (do { local $/; <$fh> }) |
| 114 | . "\n};\n1"; |
906 | . "\n};\n1"; |
| 115 | |
907 | |
| 116 | eval $source |
908 | unless (eval $source) { |
| 117 | or die "$path: $@"; |
909 | my $msg = $@ ? "$path: $@\n" |
|
|
910 | : "extension disabled.\n"; |
|
|
911 | if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match |
|
|
912 | warn $@; |
|
|
913 | warn "mandatory extension failed to load, exiting.\n"; |
|
|
914 | exit 1; |
|
|
915 | } |
|
|
916 | die $@; |
|
|
917 | } |
| 118 | |
918 | |
| 119 | push @exts, $pkg; |
919 | push @EXTS, $pkg; |
|
|
920 | } |
| 120 | |
921 | |
|
|
922 | sub load_extensions { |
|
|
923 | for my $ext (<$LIBDIR/*.ext>) { |
|
|
924 | next unless -r $ext; |
|
|
925 | eval { |
|
|
926 | load_extension $ext; |
|
|
927 | 1 |
|
|
928 | } or warn "$ext not loaded: $@"; |
|
|
929 | } |
|
|
930 | } |
|
|
931 | |
|
|
932 | ############################################################################# |
|
|
933 | |
|
|
934 | =head2 CORE EXTENSIONS |
|
|
935 | |
|
|
936 | Functions and methods that extend core crossfire objects. |
|
|
937 | |
|
|
938 | =cut |
|
|
939 | |
|
|
940 | package cf::player; |
|
|
941 | |
|
|
942 | use Coro::AIO; |
|
|
943 | |
|
|
944 | =head3 cf::player |
|
|
945 | |
|
|
946 | =over 4 |
|
|
947 | |
|
|
948 | =item cf::player::find $login |
|
|
949 | |
|
|
950 | Returns the given player object, loading it if necessary (might block). |
|
|
951 | |
|
|
952 | =cut |
|
|
953 | |
|
|
954 | sub playerdir($) { |
|
|
955 | cf::localdir |
|
|
956 | . "/" |
|
|
957 | . cf::playerdir |
|
|
958 | . "/" |
|
|
959 | . (ref $_[0] ? $_[0]->ob->name : $_[0]) |
|
|
960 | } |
|
|
961 | |
|
|
962 | sub path($) { |
|
|
963 | my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; |
|
|
964 | |
|
|
965 | (playerdir $login) . "/$login.pl" |
|
|
966 | } |
|
|
967 | |
|
|
968 | sub find_active($) { |
|
|
969 | $cf::PLAYER{$_[0]} |
|
|
970 | and $cf::PLAYER{$_[0]}->active |
|
|
971 | and $cf::PLAYER{$_[0]} |
|
|
972 | } |
|
|
973 | |
|
|
974 | sub exists($) { |
|
|
975 | my ($login) = @_; |
|
|
976 | |
|
|
977 | $cf::PLAYER{$login} |
|
|
978 | or cf::sync_job { !aio_stat path $login } |
|
|
979 | } |
|
|
980 | |
|
|
981 | sub find($) { |
|
|
982 | return $cf::PLAYER{$_[0]} || do { |
|
|
983 | my $login = $_[0]; |
|
|
984 | |
|
|
985 | my $guard = cf::lock_acquire "user_find:$login"; |
|
|
986 | |
|
|
987 | $cf::PLAYER{$_[0]} || do { |
|
|
988 | my $pl = load_pl path $login |
|
|
989 | or return; |
|
|
990 | $cf::PLAYER{$login} = $pl |
|
|
991 | } |
|
|
992 | } |
|
|
993 | } |
|
|
994 | |
|
|
995 | sub save($) { |
|
|
996 | my ($pl) = @_; |
|
|
997 | |
|
|
998 | return if $pl->{deny_save}; |
|
|
999 | |
|
|
1000 | my $path = path $pl; |
|
|
1001 | my $guard = cf::lock_acquire "user_save:$path"; |
|
|
1002 | |
|
|
1003 | return if $pl->{deny_save}; |
|
|
1004 | |
|
|
1005 | aio_mkdir playerdir $pl, 0770; |
|
|
1006 | $pl->{last_save} = $cf::RUNTIME; |
|
|
1007 | |
|
|
1008 | $pl->save_pl ($path); |
|
|
1009 | Coro::cede; |
|
|
1010 | } |
|
|
1011 | |
|
|
1012 | sub new($) { |
|
|
1013 | my ($login) = @_; |
|
|
1014 | |
|
|
1015 | my $self = create; |
|
|
1016 | |
|
|
1017 | $self->ob->name ($login); |
|
|
1018 | $self->{deny_save} = 1; |
|
|
1019 | |
|
|
1020 | $cf::PLAYER{$login} = $self; |
|
|
1021 | |
|
|
1022 | $self |
|
|
1023 | } |
|
|
1024 | |
|
|
1025 | =item $pl->quit_character |
|
|
1026 | |
|
|
1027 | Nukes the player without looking back. If logged in, the connection will |
|
|
1028 | be destroyed. May block for a long time. |
|
|
1029 | |
|
|
1030 | =cut |
|
|
1031 | |
|
|
1032 | sub quit_character { |
|
|
1033 | my ($pl) = @_; |
|
|
1034 | |
|
|
1035 | my $name = $pl->ob->name; |
|
|
1036 | |
|
|
1037 | $pl->{deny_save} = 1; |
|
|
1038 | $pl->password ("*"); # this should lock out the player until we nuked the dir |
|
|
1039 | |
|
|
1040 | $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; |
|
|
1041 | $pl->deactivate; |
|
|
1042 | $pl->invoke (cf::EVENT_PLAYER_QUIT); |
|
|
1043 | $pl->ns->destroy if $pl->ns; |
|
|
1044 | |
|
|
1045 | my $path = playerdir $pl; |
|
|
1046 | my $temp = "$path~$cf::RUNTIME~deleting~"; |
|
|
1047 | aio_rename $path, $temp; |
|
|
1048 | delete $cf::PLAYER{$pl->ob->name}; |
|
|
1049 | $pl->destroy; |
|
|
1050 | |
|
|
1051 | my $prefix = qr<^~\Q$name\E/>; |
|
|
1052 | |
|
|
1053 | # nuke player maps |
|
|
1054 | $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP; |
|
|
1055 | |
|
|
1056 | IO::AIO::aio_rmtree $temp; |
|
|
1057 | } |
|
|
1058 | |
|
|
1059 | =item cf::player::list_logins |
|
|
1060 | |
|
|
1061 | Returns am arrayref of all valid playernames in the system, can take a |
|
|
1062 | while and may block, so not sync_job-capable, ever. |
|
|
1063 | |
|
|
1064 | =cut |
|
|
1065 | |
|
|
1066 | sub list_logins { |
|
|
1067 | my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir |
|
|
1068 | or return []; |
|
|
1069 | |
|
|
1070 | my @logins; |
|
|
1071 | |
|
|
1072 | for my $login (@$dirs) { |
|
|
1073 | my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; |
|
|
1074 | aio_read $fh, 0, 512, my $buf, 0 or next; |
|
|
1075 | $buf !~ /^password -------------$/m or next; # official not-valid tag |
|
|
1076 | |
|
|
1077 | utf8::decode $login; |
|
|
1078 | push @logins, $login; |
|
|
1079 | } |
|
|
1080 | |
|
|
1081 | \@logins |
|
|
1082 | } |
|
|
1083 | |
|
|
1084 | =item $player->maps |
|
|
1085 | |
|
|
1086 | Returns an arrayref of map paths that are private for this |
|
|
1087 | player. May block. |
|
|
1088 | |
|
|
1089 | =cut |
|
|
1090 | |
|
|
1091 | sub maps($) { |
|
|
1092 | my ($pl) = @_; |
|
|
1093 | |
|
|
1094 | $pl = ref $pl ? $pl->ob->name : $pl; |
|
|
1095 | |
|
|
1096 | my $files = aio_readdir playerdir $pl |
|
|
1097 | or return; |
|
|
1098 | |
|
|
1099 | my @paths; |
|
|
1100 | |
|
|
1101 | for (@$files) { |
|
|
1102 | utf8::decode $_; |
|
|
1103 | next if /\.(?:pl|pst)$/; |
|
|
1104 | next unless /^$PATH_SEP/o; |
|
|
1105 | |
|
|
1106 | push @paths, cf::map::normalise "~$pl/$_"; |
|
|
1107 | } |
|
|
1108 | |
|
|
1109 | \@paths |
|
|
1110 | } |
|
|
1111 | |
|
|
1112 | =item $player->ext_reply ($msgid, $msgtype, %msg) |
|
|
1113 | |
|
|
1114 | Sends an ext reply to the player. |
|
|
1115 | |
|
|
1116 | =cut |
|
|
1117 | |
|
|
1118 | sub ext_reply($$$%) { |
|
|
1119 | my ($self, $id, %msg) = @_; |
|
|
1120 | |
|
|
1121 | $msg{msgid} = $id; |
|
|
1122 | |
|
|
1123 | $self->send ("ext " . cf::to_json \%msg); |
|
|
1124 | } |
|
|
1125 | |
|
|
1126 | package cf; |
|
|
1127 | |
|
|
1128 | =back |
|
|
1129 | |
|
|
1130 | |
|
|
1131 | =head3 cf::map |
|
|
1132 | |
|
|
1133 | =over 4 |
|
|
1134 | |
|
|
1135 | =cut |
|
|
1136 | |
|
|
1137 | package cf::map; |
|
|
1138 | |
|
|
1139 | use Fcntl; |
|
|
1140 | use Coro::AIO; |
|
|
1141 | |
|
|
1142 | use overload |
|
|
1143 | '""' => \&as_string, |
|
|
1144 | fallback => 1; |
|
|
1145 | |
|
|
1146 | our $MAX_RESET = 3600; |
|
|
1147 | our $DEFAULT_RESET = 3000; |
|
|
1148 | |
|
|
1149 | sub generate_random_map { |
|
|
1150 | my ($self, $rmp) = @_; |
|
|
1151 | # mit "rum" bekleckern, nicht |
|
|
1152 | $self->_create_random_map ( |
|
|
1153 | $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, |
|
|
1154 | $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, |
|
|
1155 | $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, |
|
|
1156 | $rmp->{exit_on_final_map}, |
|
|
1157 | $rmp->{xsize}, $rmp->{ysize}, |
|
|
1158 | $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, |
|
|
1159 | $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, |
|
|
1160 | $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, |
|
|
1161 | $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, |
|
|
1162 | $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, |
|
|
1163 | (cf::region::find $rmp->{region}), $rmp->{custom} |
|
|
1164 | ) |
|
|
1165 | } |
|
|
1166 | |
|
|
1167 | =item cf::map->register ($regex, $prio) |
|
|
1168 | |
|
|
1169 | Register a handler for the map path matching the given regex at the |
|
|
1170 | givne priority (higher is better, built-in handlers have priority 0, the |
|
|
1171 | default). |
|
|
1172 | |
|
|
1173 | =cut |
|
|
1174 | |
|
|
1175 | sub register { |
|
|
1176 | my (undef, $regex, $prio) = @_; |
|
|
1177 | my $pkg = caller; |
|
|
1178 | |
|
|
1179 | no strict; |
|
|
1180 | push @{"$pkg\::ISA"}, __PACKAGE__; |
|
|
1181 | |
|
|
1182 | $EXT_MAP{$pkg} = [$prio, qr<$regex>]; |
|
|
1183 | } |
|
|
1184 | |
|
|
1185 | # also paths starting with '/' |
|
|
1186 | $EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; |
|
|
1187 | |
|
|
1188 | sub thawer_merge { |
|
|
1189 | my ($self, $merge) = @_; |
|
|
1190 | |
|
|
1191 | # we have to keep some variables in memory intact |
|
|
1192 | local $self->{path}; |
|
|
1193 | local $self->{load_path}; |
|
|
1194 | local $self->{deny_save}; |
|
|
1195 | local $self->{deny_reset}; |
|
|
1196 | |
|
|
1197 | $self->SUPER::thawer_merge ($merge); |
|
|
1198 | } |
|
|
1199 | |
|
|
1200 | sub normalise { |
|
|
1201 | my ($path, $base) = @_; |
|
|
1202 | |
|
|
1203 | $path = "$path"; # make sure its a string |
|
|
1204 | |
|
|
1205 | $path =~ s/\.map$//; |
|
|
1206 | |
|
|
1207 | # map plan: |
|
|
1208 | # |
|
|
1209 | # /! non-realised random map exit (special hack!) |
|
|
1210 | # {... are special paths that are not being touched |
|
|
1211 | # ?xxx/... are special absolute paths |
|
|
1212 | # ?random/... random maps |
|
|
1213 | # /... normal maps |
|
|
1214 | # ~user/... per-player map of a specific user |
|
|
1215 | |
|
|
1216 | $path =~ s/$PATH_SEP/\//go; |
|
|
1217 | |
|
|
1218 | # treat it as relative path if it starts with |
|
|
1219 | # something that looks reasonable |
|
|
1220 | if ($path =~ m{^(?:\./|\.\./|\w)}) { |
|
|
1221 | $base or Carp::carp "normalise called with relative path and no base: '$path'"; |
|
|
1222 | |
|
|
1223 | $base =~ s{[^/]+/?$}{}; |
|
|
1224 | $path = "$base/$path"; |
|
|
1225 | } |
|
|
1226 | |
|
|
1227 | for ($path) { |
|
|
1228 | redo if s{//}{/}; |
|
|
1229 | redo if s{/\.?/}{/}; |
|
|
1230 | redo if s{/[^/]+/\.\./}{/}; |
|
|
1231 | } |
|
|
1232 | |
|
|
1233 | $path |
|
|
1234 | } |
|
|
1235 | |
|
|
1236 | sub new_from_path { |
|
|
1237 | my (undef, $path, $base) = @_; |
|
|
1238 | |
|
|
1239 | return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object |
|
|
1240 | |
|
|
1241 | $path = normalise $path, $base; |
|
|
1242 | |
|
|
1243 | for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) { |
|
|
1244 | if ($path =~ $EXT_MAP{$pkg}[1]) { |
|
|
1245 | my $self = bless cf::map::new, $pkg; |
|
|
1246 | $self->{path} = $path; $self->path ($path); |
|
|
1247 | $self->init; # pass $1 etc. |
|
|
1248 | return $self; |
|
|
1249 | } |
|
|
1250 | } |
|
|
1251 | |
|
|
1252 | Carp::carp "unable to resolve path '$path' (base '$base')."; |
|
|
1253 | () |
|
|
1254 | } |
|
|
1255 | |
|
|
1256 | sub init { |
|
|
1257 | my ($self) = @_; |
|
|
1258 | |
|
|
1259 | $self |
|
|
1260 | } |
|
|
1261 | |
|
|
1262 | sub as_string { |
|
|
1263 | my ($self) = @_; |
|
|
1264 | |
|
|
1265 | "$self->{path}" |
|
|
1266 | } |
|
|
1267 | |
|
|
1268 | # the displayed name, this is a one way mapping |
|
|
1269 | sub visible_name { |
|
|
1270 | &as_string |
|
|
1271 | } |
|
|
1272 | |
|
|
1273 | # the original (read-only) location |
|
|
1274 | sub load_path { |
|
|
1275 | my ($self) = @_; |
|
|
1276 | |
|
|
1277 | sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} |
|
|
1278 | } |
|
|
1279 | |
|
|
1280 | # the temporary/swap location |
|
|
1281 | sub save_path { |
|
|
1282 | my ($self) = @_; |
|
|
1283 | |
|
|
1284 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
|
|
1285 | sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path |
|
|
1286 | } |
|
|
1287 | |
|
|
1288 | # the unique path, undef == no special unique path |
|
|
1289 | sub uniq_path { |
|
|
1290 | my ($self) = @_; |
|
|
1291 | |
|
|
1292 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
|
|
1293 | sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path |
|
|
1294 | } |
|
|
1295 | |
|
|
1296 | # and all this just because we cannot iterate over |
|
|
1297 | # all maps in C++... |
|
|
1298 | sub change_all_map_light { |
|
|
1299 | my ($change) = @_; |
|
|
1300 | |
|
|
1301 | $_->change_map_light ($change) |
|
|
1302 | for grep $_->outdoor, values %cf::MAP; |
|
|
1303 | } |
|
|
1304 | |
|
|
1305 | sub unlink_save { |
|
|
1306 | my ($self) = @_; |
|
|
1307 | |
|
|
1308 | utf8::encode (my $save = $self->save_path); |
|
|
1309 | IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; |
|
|
1310 | IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; |
|
|
1311 | } |
|
|
1312 | |
|
|
1313 | sub load_header_from($) { |
|
|
1314 | my ($self, $path) = @_; |
|
|
1315 | |
|
|
1316 | utf8::encode $path; |
|
|
1317 | #aio_open $path, O_RDONLY, 0 |
|
|
1318 | # or return; |
|
|
1319 | |
|
|
1320 | $self->_load_header ($path) |
|
|
1321 | or return; |
|
|
1322 | |
|
|
1323 | $self->{load_path} = $path; |
|
|
1324 | |
|
|
1325 | 1 |
|
|
1326 | } |
|
|
1327 | |
|
|
1328 | sub load_header_orig { |
|
|
1329 | my ($self) = @_; |
|
|
1330 | |
|
|
1331 | $self->load_header_from ($self->load_path) |
|
|
1332 | } |
|
|
1333 | |
|
|
1334 | sub load_header_temp { |
|
|
1335 | my ($self) = @_; |
|
|
1336 | |
|
|
1337 | $self->load_header_from ($self->save_path) |
|
|
1338 | } |
|
|
1339 | |
|
|
1340 | sub prepare_temp { |
|
|
1341 | my ($self) = @_; |
|
|
1342 | |
|
|
1343 | $self->last_access ((delete $self->{last_access}) |
|
|
1344 | || $cf::RUNTIME); #d# |
|
|
1345 | # safety |
|
|
1346 | $self->{instantiate_time} = $cf::RUNTIME |
|
|
1347 | if $self->{instantiate_time} > $cf::RUNTIME; |
|
|
1348 | } |
|
|
1349 | |
|
|
1350 | sub prepare_orig { |
|
|
1351 | my ($self) = @_; |
|
|
1352 | |
|
|
1353 | $self->{load_original} = 1; |
|
|
1354 | $self->{instantiate_time} = $cf::RUNTIME; |
|
|
1355 | $self->last_access ($cf::RUNTIME); |
|
|
1356 | $self->instantiate; |
|
|
1357 | } |
|
|
1358 | |
|
|
1359 | sub load_header { |
|
|
1360 | my ($self) = @_; |
|
|
1361 | |
|
|
1362 | if ($self->load_header_temp) { |
|
|
1363 | $self->prepare_temp; |
|
|
1364 | } else { |
|
|
1365 | $self->load_header_orig |
|
|
1366 | or return; |
|
|
1367 | $self->prepare_orig; |
|
|
1368 | } |
|
|
1369 | |
|
|
1370 | 1 |
|
|
1371 | } |
|
|
1372 | |
|
|
1373 | sub find; |
|
|
1374 | sub find { |
|
|
1375 | my ($path, $origin) = @_; |
|
|
1376 | |
|
|
1377 | $path = normalise $path, $origin && $origin->path; |
|
|
1378 | |
|
|
1379 | cf::lock_wait "map_find:$path"; |
|
|
1380 | |
|
|
1381 | $cf::MAP{$path} || do { |
|
|
1382 | my $guard = cf::lock_acquire "map_find:$path"; |
|
|
1383 | my $map = new_from_path cf::map $path |
|
|
1384 | or return; |
|
|
1385 | |
|
|
1386 | $map->{last_save} = $cf::RUNTIME; |
|
|
1387 | |
|
|
1388 | $map->load_header |
|
|
1389 | or return; |
|
|
1390 | |
|
|
1391 | if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) |
|
|
1392 | # doing this can freeze the server in a sync job, obviously |
|
|
1393 | #$cf::WAIT_FOR_TICK->wait; |
|
|
1394 | $map->reset; |
|
|
1395 | undef $guard; |
|
|
1396 | return find $path; |
|
|
1397 | } |
|
|
1398 | |
|
|
1399 | $cf::MAP{$path} = $map |
|
|
1400 | } |
|
|
1401 | } |
|
|
1402 | |
|
|
1403 | sub pre_load { } |
|
|
1404 | sub post_load { } |
|
|
1405 | |
|
|
1406 | sub load { |
|
|
1407 | my ($self) = @_; |
|
|
1408 | |
|
|
1409 | local $self->{deny_reset} = 1; # loading can take a long time |
|
|
1410 | |
|
|
1411 | my $path = $self->{path}; |
|
|
1412 | my $guard = cf::lock_acquire "map_load:$path"; |
|
|
1413 | |
|
|
1414 | return if $self->in_memory != cf::MAP_SWAPPED; |
|
|
1415 | |
|
|
1416 | $self->in_memory (cf::MAP_LOADING); |
|
|
1417 | |
|
|
1418 | $self->alloc; |
|
|
1419 | |
|
|
1420 | $self->pre_load; |
|
|
1421 | |
|
|
1422 | $self->_load_objects ($self->{load_path}, 1) |
|
|
1423 | or return; |
|
|
1424 | |
|
|
1425 | $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) |
|
|
1426 | if delete $self->{load_original}; |
|
|
1427 | |
|
|
1428 | if (my $uniq = $self->uniq_path) { |
|
|
1429 | utf8::encode $uniq; |
|
|
1430 | if (aio_open $uniq, O_RDONLY, 0) { |
|
|
1431 | $self->clear_unique_items; |
|
|
1432 | $self->_load_objects ($uniq, 0); |
|
|
1433 | } |
|
|
1434 | } |
|
|
1435 | |
|
|
1436 | Coro::cede; |
|
|
1437 | |
|
|
1438 | # now do the right thing for maps |
|
|
1439 | $self->link_multipart_objects; |
|
|
1440 | |
|
|
1441 | unless ($self->{deny_activate}) { |
|
|
1442 | $self->decay_objects; |
|
|
1443 | $self->fix_auto_apply; |
|
|
1444 | $self->update_buttons; |
|
|
1445 | Coro::cede; |
|
|
1446 | $self->set_darkness_map; |
|
|
1447 | $self->difficulty ($self->estimate_difficulty) |
|
|
1448 | unless $self->difficulty; |
|
|
1449 | Coro::cede; |
|
|
1450 | $self->activate; |
|
|
1451 | } |
|
|
1452 | |
|
|
1453 | $self->post_load; |
|
|
1454 | |
|
|
1455 | $self->in_memory (cf::MAP_IN_MEMORY); |
|
|
1456 | } |
|
|
1457 | |
|
|
1458 | sub customise_for { |
|
|
1459 | my ($self, $ob) = @_; |
|
|
1460 | |
|
|
1461 | return find "~" . $ob->name . "/" . $self->{path} |
|
|
1462 | if $self->per_player; |
|
|
1463 | |
|
|
1464 | $self |
|
|
1465 | } |
|
|
1466 | |
|
|
1467 | # find and load all maps in the 3x3 area around a map |
|
|
1468 | sub load_diag { |
|
|
1469 | my ($map) = @_; |
|
|
1470 | |
|
|
1471 | my @diag; # diagonal neighbours |
|
|
1472 | |
|
|
1473 | for (0 .. 3) { |
|
|
1474 | my $neigh = $map->tile_path ($_) |
|
|
1475 | or next; |
|
|
1476 | $neigh = find $neigh, $map |
|
|
1477 | or next; |
|
|
1478 | $neigh->load; |
|
|
1479 | |
|
|
1480 | push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], |
|
|
1481 | [$neigh->tile_path (($_ + 1) % 4), $neigh]; |
|
|
1482 | } |
|
|
1483 | |
|
|
1484 | for (@diag) { |
|
|
1485 | my $neigh = find @$_ |
|
|
1486 | or next; |
|
|
1487 | $neigh->load; |
|
|
1488 | } |
|
|
1489 | } |
|
|
1490 | |
|
|
1491 | sub find_sync { |
|
|
1492 | my ($path, $origin) = @_; |
|
|
1493 | |
|
|
1494 | cf::sync_job { find $path, $origin } |
|
|
1495 | } |
|
|
1496 | |
|
|
1497 | sub do_load_sync { |
|
|
1498 | my ($map) = @_; |
|
|
1499 | |
|
|
1500 | cf::sync_job { $map->load }; |
|
|
1501 | } |
|
|
1502 | |
|
|
1503 | our %MAP_PREFETCH; |
|
|
1504 | our $MAP_PREFETCHER = undef; |
|
|
1505 | |
|
|
1506 | sub find_async { |
|
|
1507 | my ($path, $origin) = @_; |
|
|
1508 | |
|
|
1509 | $path = normalise $path, $origin && $origin->{path}; |
|
|
1510 | |
|
|
1511 | if (my $map = $cf::MAP{$path}) { |
|
|
1512 | return $map if $map->in_memory == cf::MAP_IN_MEMORY; |
|
|
1513 | } |
|
|
1514 | |
|
|
1515 | undef $MAP_PREFETCH{$path}; |
|
|
1516 | $MAP_PREFETCHER ||= cf::async { |
|
|
1517 | while (%MAP_PREFETCH) { |
|
|
1518 | for my $path (keys %MAP_PREFETCH) { |
|
|
1519 | my $map = find $path |
|
|
1520 | or next; |
|
|
1521 | $map->load; |
|
|
1522 | |
|
|
1523 | delete $MAP_PREFETCH{$path}; |
|
|
1524 | } |
|
|
1525 | } |
|
|
1526 | undef $MAP_PREFETCHER; |
|
|
1527 | }; |
|
|
1528 | $MAP_PREFETCHER->prio (6); |
|
|
1529 | |
|
|
1530 | () |
|
|
1531 | } |
|
|
1532 | |
|
|
1533 | sub save { |
|
|
1534 | my ($self) = @_; |
|
|
1535 | |
|
|
1536 | my $lock = cf::lock_acquire "map_data:" . $self->path; |
|
|
1537 | |
|
|
1538 | $self->{last_save} = $cf::RUNTIME; |
|
|
1539 | |
|
|
1540 | return unless $self->dirty; |
|
|
1541 | |
|
|
1542 | my $save = $self->save_path; utf8::encode $save; |
|
|
1543 | my $uniq = $self->uniq_path; utf8::encode $uniq; |
|
|
1544 | |
|
|
1545 | $self->{load_path} = $save; |
|
|
1546 | |
|
|
1547 | return if $self->{deny_save}; |
|
|
1548 | |
|
|
1549 | local $self->{last_access} = $self->last_access;#d# |
|
|
1550 | |
|
|
1551 | cf::async { |
|
|
1552 | $_->contr->save for $self->players; |
|
|
1553 | }; |
|
|
1554 | |
|
|
1555 | if ($uniq) { |
|
|
1556 | $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); |
|
|
1557 | $self->_save_objects ($uniq, cf::IO_UNIQUES); |
|
|
1558 | } else { |
|
|
1559 | $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); |
|
|
1560 | } |
|
|
1561 | } |
|
|
1562 | |
|
|
1563 | sub swap_out { |
|
|
1564 | my ($self) = @_; |
|
|
1565 | |
|
|
1566 | # save first because save cedes |
|
|
1567 | $self->save; |
|
|
1568 | |
|
|
1569 | my $lock = cf::lock_acquire "map_data:" . $self->path; |
|
|
1570 | |
|
|
1571 | return if $self->players; |
|
|
1572 | return if $self->in_memory != cf::MAP_IN_MEMORY; |
|
|
1573 | return if $self->{deny_save}; |
|
|
1574 | |
|
|
1575 | $self->clear; |
|
|
1576 | $self->in_memory (cf::MAP_SWAPPED); |
|
|
1577 | } |
|
|
1578 | |
|
|
1579 | sub reset_at { |
|
|
1580 | my ($self) = @_; |
|
|
1581 | |
|
|
1582 | # TODO: safety, remove and allow resettable per-player maps |
|
|
1583 | return 1e99 if $self->isa ("ext::map_per_player");#d# |
|
|
1584 | return 1e99 if $self->{deny_reset}; |
|
|
1585 | |
|
|
1586 | my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; |
|
|
1587 | my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; |
|
|
1588 | |
|
|
1589 | $time + $to |
|
|
1590 | } |
|
|
1591 | |
|
|
1592 | sub should_reset { |
|
|
1593 | my ($self) = @_; |
|
|
1594 | |
|
|
1595 | $self->reset_at <= $cf::RUNTIME |
|
|
1596 | } |
|
|
1597 | |
|
|
1598 | sub reset { |
|
|
1599 | my ($self) = @_; |
|
|
1600 | |
|
|
1601 | my $lock = cf::lock_acquire "map_data:$self->{path}"; |
|
|
1602 | |
|
|
1603 | return if $self->players; |
|
|
1604 | return if $self->isa ("ext::map_per_player");#d# |
|
|
1605 | |
|
|
1606 | warn "resetting map ", $self->path;#d# |
|
|
1607 | |
|
|
1608 | $self->in_memory (cf::MAP_SWAPPED); |
|
|
1609 | |
|
|
1610 | # need to save uniques path |
|
|
1611 | unless ($self->{deny_save}) { |
|
|
1612 | my $uniq = $self->uniq_path; utf8::encode $uniq; |
|
|
1613 | |
|
|
1614 | $self->_save_objects ($uniq, cf::IO_UNIQUES) |
|
|
1615 | if $uniq; |
|
|
1616 | } |
|
|
1617 | |
|
|
1618 | delete $cf::MAP{$self->path}; |
|
|
1619 | |
|
|
1620 | $self->clear; |
|
|
1621 | |
|
|
1622 | $_->clear_links_to ($self) for values %cf::MAP; |
|
|
1623 | |
|
|
1624 | $self->unlink_save; |
|
|
1625 | $self->destroy; |
|
|
1626 | } |
|
|
1627 | |
|
|
1628 | my $nuke_counter = "aaaa"; |
|
|
1629 | |
|
|
1630 | sub nuke { |
|
|
1631 | my ($self) = @_; |
|
|
1632 | |
|
|
1633 | delete $cf::MAP{$self->path}; |
|
|
1634 | |
|
|
1635 | $self->unlink_save; |
|
|
1636 | |
|
|
1637 | bless $self, "cf::map"; |
|
|
1638 | delete $self->{deny_reset}; |
|
|
1639 | $self->{deny_save} = 1; |
|
|
1640 | $self->reset_timeout (1); |
|
|
1641 | $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); |
|
|
1642 | |
|
|
1643 | $cf::MAP{$self->path} = $self; |
|
|
1644 | |
|
|
1645 | $self->reset; # polite request, might not happen |
|
|
1646 | } |
|
|
1647 | |
|
|
1648 | =item cf::map::unique_maps |
|
|
1649 | |
|
|
1650 | Returns an arrayref of paths of all shared maps that have |
|
|
1651 | instantiated unique items. May block. |
|
|
1652 | |
|
|
1653 | =cut |
|
|
1654 | |
|
|
1655 | sub unique_maps() { |
|
|
1656 | my $files = aio_readdir cf::localdir . "/" . cf::uniquedir |
|
|
1657 | or return; |
|
|
1658 | |
|
|
1659 | my @paths; |
|
|
1660 | |
|
|
1661 | for (@$files) { |
|
|
1662 | utf8::decode $_; |
|
|
1663 | next if /\.pst$/; |
|
|
1664 | next unless /^$PATH_SEP/o; |
|
|
1665 | |
|
|
1666 | push @paths, cf::map::normalise $_; |
|
|
1667 | } |
|
|
1668 | |
|
|
1669 | \@paths |
|
|
1670 | } |
|
|
1671 | |
|
|
1672 | package cf; |
|
|
1673 | |
|
|
1674 | =back |
|
|
1675 | |
|
|
1676 | =head3 cf::object |
|
|
1677 | |
|
|
1678 | =cut |
|
|
1679 | |
|
|
1680 | package cf::object; |
|
|
1681 | |
|
|
1682 | =over 4 |
|
|
1683 | |
|
|
1684 | =item $ob->inv_recursive |
|
|
1685 | |
|
|
1686 | Returns the inventory of the object _and_ their inventories, recursively. |
|
|
1687 | |
|
|
1688 | =cut |
|
|
1689 | |
|
|
1690 | sub inv_recursive_; |
|
|
1691 | sub inv_recursive_ { |
|
|
1692 | map { $_, inv_recursive_ $_->inv } @_ |
|
|
1693 | } |
|
|
1694 | |
|
|
1695 | sub inv_recursive { |
|
|
1696 | inv_recursive_ inv $_[0] |
|
|
1697 | } |
|
|
1698 | |
|
|
1699 | package cf; |
|
|
1700 | |
|
|
1701 | =back |
|
|
1702 | |
|
|
1703 | =head3 cf::object::player |
|
|
1704 | |
|
|
1705 | =over 4 |
|
|
1706 | |
|
|
1707 | =item $player_object->reply ($npc, $msg[, $flags]) |
|
|
1708 | |
|
|
1709 | Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
|
|
1710 | can be C<undef>. Does the right thing when the player is currently in a |
|
|
1711 | dialogue with the given NPC character. |
|
|
1712 | |
|
|
1713 | =cut |
|
|
1714 | |
|
|
1715 | # rough implementation of a future "reply" method that works |
|
|
1716 | # with dialog boxes. |
|
|
1717 | #TODO: the first argument must go, split into a $npc->reply_to ( method |
|
|
1718 | sub cf::object::player::reply($$$;$) { |
|
|
1719 | my ($self, $npc, $msg, $flags) = @_; |
|
|
1720 | |
|
|
1721 | $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
|
|
1722 | |
|
|
1723 | if ($self->{record_replies}) { |
|
|
1724 | push @{ $self->{record_replies} }, [$npc, $msg, $flags]; |
|
|
1725 | } else { |
|
|
1726 | $msg = $npc->name . " says: $msg" if $npc; |
|
|
1727 | $self->message ($msg, $flags); |
|
|
1728 | } |
|
|
1729 | } |
|
|
1730 | |
|
|
1731 | =item $player_object->may ("access") |
|
|
1732 | |
|
|
1733 | Returns wether the given player is authorized to access resource "access" |
|
|
1734 | (e.g. "command_wizcast"). |
|
|
1735 | |
|
|
1736 | =cut |
|
|
1737 | |
|
|
1738 | sub cf::object::player::may { |
|
|
1739 | my ($self, $access) = @_; |
|
|
1740 | |
|
|
1741 | $self->flag (cf::FLAG_WIZ) || |
|
|
1742 | (ref $cf::CFG{"may_$access"} |
|
|
1743 | ? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}} |
|
|
1744 | : $cf::CFG{"may_$access"}) |
|
|
1745 | } |
|
|
1746 | |
|
|
1747 | =item $player_object->enter_link |
|
|
1748 | |
|
|
1749 | Freezes the player and moves him/her to a special map (C<{link}>). |
|
|
1750 | |
|
|
1751 | The player should be reasonably safe there for short amounts of time. You |
|
|
1752 | I<MUST> call C<leave_link> as soon as possible, though. |
|
|
1753 | |
|
|
1754 | Will never block. |
|
|
1755 | |
|
|
1756 | =item $player_object->leave_link ($map, $x, $y) |
|
|
1757 | |
|
|
1758 | Moves the player out of the special C<{link}> map onto the specified |
|
|
1759 | map. If the map is not valid (or omitted), the player will be moved back |
|
|
1760 | to the location he/she was before the call to C<enter_link>, or, if that |
|
|
1761 | fails, to the emergency map position. |
|
|
1762 | |
|
|
1763 | Might block. |
|
|
1764 | |
|
|
1765 | =cut |
|
|
1766 | |
|
|
1767 | sub link_map { |
|
|
1768 | unless ($LINK_MAP) { |
|
|
1769 | $LINK_MAP = cf::map::find "{link}" |
|
|
1770 | or cf::cleanup "FATAL: unable to provide {link} map, exiting."; |
|
|
1771 | $LINK_MAP->load; |
|
|
1772 | } |
|
|
1773 | |
|
|
1774 | $LINK_MAP |
|
|
1775 | } |
|
|
1776 | |
|
|
1777 | sub cf::object::player::enter_link { |
|
|
1778 | my ($self) = @_; |
|
|
1779 | |
|
|
1780 | $self->deactivate_recursive; |
|
|
1781 | |
|
|
1782 | return if UNIVERSAL::isa $self->map, "ext::map_link"; |
|
|
1783 | |
|
|
1784 | $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] |
|
|
1785 | if $self->map; |
|
|
1786 | |
|
|
1787 | $self->enter_map ($LINK_MAP || link_map, 10, 10); |
|
|
1788 | } |
|
|
1789 | |
|
|
1790 | sub cf::object::player::leave_link { |
|
|
1791 | my ($self, $map, $x, $y) = @_; |
|
|
1792 | |
|
|
1793 | my $link_pos = delete $self->{_link_pos}; |
|
|
1794 | |
|
|
1795 | unless ($map) { |
|
|
1796 | # restore original map position |
|
|
1797 | ($map, $x, $y) = @{ $link_pos || [] }; |
|
|
1798 | $map = cf::map::find $map; |
|
|
1799 | |
|
|
1800 | unless ($map) { |
|
|
1801 | ($map, $x, $y) = @$EMERGENCY_POSITION; |
|
|
1802 | $map = cf::map::find $map |
|
|
1803 | or die "FATAL: cannot load emergency map\n"; |
|
|
1804 | } |
|
|
1805 | } |
|
|
1806 | |
|
|
1807 | ($x, $y) = (-1, -1) |
|
|
1808 | unless (defined $x) && (defined $y); |
|
|
1809 | |
|
|
1810 | # use -1 or undef as default coordinates, not 0, 0 |
|
|
1811 | ($x, $y) = ($map->enter_x, $map->enter_y) |
|
|
1812 | if $x <=0 && $y <= 0; |
|
|
1813 | |
|
|
1814 | $map->load; |
|
|
1815 | $map->load_diag; |
|
|
1816 | |
|
|
1817 | return unless $self->contr->active; |
|
|
1818 | $self->activate_recursive; |
|
|
1819 | |
|
|
1820 | local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext |
|
|
1821 | $self->enter_map ($map, $x, $y); |
|
|
1822 | } |
|
|
1823 | |
|
|
1824 | cf::player->attach ( |
|
|
1825 | on_logout => sub { |
|
|
1826 | my ($pl) = @_; |
|
|
1827 | |
|
|
1828 | # abort map switching before logout |
|
|
1829 | if ($pl->ob->{_link_pos}) { |
|
|
1830 | cf::sync_job { |
|
|
1831 | $pl->ob->leave_link |
|
|
1832 | }; |
|
|
1833 | } |
|
|
1834 | }, |
|
|
1835 | on_login => sub { |
|
|
1836 | my ($pl) = @_; |
|
|
1837 | |
|
|
1838 | # try to abort aborted map switching on player login :) |
|
|
1839 | # should happen only on crashes |
|
|
1840 | if ($pl->ob->{_link_pos}) { |
|
|
1841 | $pl->ob->enter_link; |
|
|
1842 | (async { |
|
|
1843 | $pl->ob->reply (undef, |
|
|
1844 | "There was an internal problem at your last logout, " |
|
|
1845 | . "the server will try to bring you to your intended destination in a second.", |
|
|
1846 | cf::NDI_RED); |
|
|
1847 | # we need this sleep as the login has a concurrent enter_exit running |
|
|
1848 | # and this sleep increases chances of the player not ending up in scorn |
|
|
1849 | Coro::Timer::sleep 1; |
|
|
1850 | $pl->ob->leave_link; |
|
|
1851 | })->prio (2); |
|
|
1852 | } |
|
|
1853 | }, |
|
|
1854 | ); |
|
|
1855 | |
|
|
1856 | =item $player_object->goto ($path, $x, $y) |
|
|
1857 | |
|
|
1858 | =cut |
|
|
1859 | |
|
|
1860 | sub cf::object::player::goto { |
|
|
1861 | my ($self, $path, $x, $y) = @_; |
|
|
1862 | |
|
|
1863 | $self->enter_link; |
|
|
1864 | |
|
|
1865 | (async { |
|
|
1866 | my $map = eval { |
|
|
1867 | my $map = cf::map::find $path; |
|
|
1868 | $map = $map->customise_for ($self) if $map; |
|
|
1869 | $map |
|
|
1870 | } or |
|
|
1871 | $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); |
|
|
1872 | |
|
|
1873 | $self->leave_link ($map, $x, $y); |
|
|
1874 | })->prio (1); |
|
|
1875 | } |
|
|
1876 | |
|
|
1877 | =item $player_object->enter_exit ($exit_object) |
|
|
1878 | |
|
|
1879 | =cut |
|
|
1880 | |
|
|
1881 | sub parse_random_map_params { |
|
|
1882 | my ($spec) = @_; |
|
|
1883 | |
|
|
1884 | my $rmp = { # defaults |
|
|
1885 | xsize => (cf::rndm 15, 40), |
|
|
1886 | ysize => (cf::rndm 15, 40), |
|
|
1887 | symmetry => (cf::rndm 1, cf::SYMMETRY_XY), |
|
|
1888 | #layout => string, |
|
|
1889 | }; |
|
|
1890 | |
|
|
1891 | for (split /\n/, $spec) { |
|
|
1892 | my ($k, $v) = split /\s+/, $_, 2; |
|
|
1893 | |
|
|
1894 | $rmp->{lc $k} = $v if (length $k) && (length $v); |
|
|
1895 | } |
|
|
1896 | |
|
|
1897 | $rmp |
|
|
1898 | } |
|
|
1899 | |
|
|
1900 | sub prepare_random_map { |
|
|
1901 | my ($exit) = @_; |
|
|
1902 | |
|
|
1903 | my $guard = cf::lock_acquire "exit_prepare:$exit"; |
|
|
1904 | |
|
|
1905 | # all this does is basically replace the /! path by |
|
|
1906 | # a new random map path (?random/...) with a seed |
|
|
1907 | # that depends on the exit object |
|
|
1908 | |
|
|
1909 | my $rmp = parse_random_map_params $exit->msg; |
|
|
1910 | |
|
|
1911 | if ($exit->map) { |
|
|
1912 | $rmp->{region} = $exit->region->name; |
|
|
1913 | $rmp->{origin_map} = $exit->map->path; |
|
|
1914 | $rmp->{origin_x} = $exit->x; |
|
|
1915 | $rmp->{origin_y} = $exit->y; |
|
|
1916 | } |
|
|
1917 | |
|
|
1918 | $rmp->{random_seed} ||= $exit->random_seed; |
|
|
1919 | |
|
|
1920 | my $data = cf::to_json $rmp; |
|
|
1921 | my $md5 = Digest::MD5::md5_hex $data; |
|
|
1922 | my $meta = "$cf::RANDOM_MAPS/$md5.meta"; |
|
|
1923 | |
|
|
1924 | if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { |
|
|
1925 | aio_write $fh, 0, (length $data), $data, 0; |
|
|
1926 | undef $fh; |
|
|
1927 | aio_rename "$meta~", $meta; |
|
|
1928 | |
|
|
1929 | $exit->slaying ("?random/$md5"); |
|
|
1930 | $exit->msg (undef); |
|
|
1931 | } |
|
|
1932 | } |
|
|
1933 | |
|
|
1934 | sub cf::object::player::enter_exit { |
|
|
1935 | my ($self, $exit) = @_; |
|
|
1936 | |
|
|
1937 | return unless $self->type == cf::PLAYER; |
|
|
1938 | |
|
|
1939 | if ($exit->slaying eq "/!") { |
|
|
1940 | #TODO: this should de-fi-ni-te-ly not be a sync-job |
|
|
1941 | cf::sync_job { prepare_random_map $exit }; |
|
|
1942 | } |
|
|
1943 | |
|
|
1944 | my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; |
|
|
1945 | my $hp = $exit->stats->hp; |
|
|
1946 | my $sp = $exit->stats->sp; |
|
|
1947 | |
|
|
1948 | $self->enter_link; |
|
|
1949 | |
|
|
1950 | (async { |
|
|
1951 | $self->deactivate_recursive; # just to be sure |
|
|
1952 | unless (eval { |
|
|
1953 | $self->goto ($slaying, $hp, $sp); |
|
|
1954 | |
|
|
1955 | 1; |
|
|
1956 | }) { |
|
|
1957 | $self->message ("Something went wrong deep within the crossfire server. " |
|
|
1958 | . "I'll try to bring you back to the map you were before. " |
|
|
1959 | . "Please report this to the dungeon master!", |
|
|
1960 | cf::NDI_UNIQUE | cf::NDI_RED); |
|
|
1961 | |
|
|
1962 | warn "ERROR in enter_exit: $@"; |
|
|
1963 | $self->leave_link; |
|
|
1964 | } |
|
|
1965 | })->prio (1); |
|
|
1966 | } |
|
|
1967 | |
|
|
1968 | =head3 cf::client |
|
|
1969 | |
|
|
1970 | =over 4 |
|
|
1971 | |
|
|
1972 | =item $client->send_drawinfo ($text, $flags) |
|
|
1973 | |
|
|
1974 | Sends a drawinfo packet to the client. Circumvents output buffering so |
|
|
1975 | should not be used under normal circumstances. |
|
|
1976 | |
|
|
1977 | =cut |
|
|
1978 | |
|
|
1979 | sub cf::client::send_drawinfo { |
|
|
1980 | my ($self, $text, $flags) = @_; |
|
|
1981 | |
|
|
1982 | utf8::encode $text; |
|
|
1983 | $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); |
|
|
1984 | } |
|
|
1985 | |
|
|
1986 | |
|
|
1987 | =item $success = $client->query ($flags, "text", \&cb) |
|
|
1988 | |
|
|
1989 | Queues a query to the client, calling the given callback with |
|
|
1990 | the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, |
|
|
1991 | C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. |
|
|
1992 | |
|
|
1993 | Queries can fail, so check the return code. Or don't, as queries will become |
|
|
1994 | reliable at some point in the future. |
|
|
1995 | |
|
|
1996 | =cut |
|
|
1997 | |
|
|
1998 | sub cf::client::query { |
|
|
1999 | my ($self, $flags, $text, $cb) = @_; |
|
|
2000 | |
|
|
2001 | return unless $self->state == ST_PLAYING |
|
|
2002 | || $self->state == ST_SETUP |
|
|
2003 | || $self->state == ST_CUSTOM; |
|
|
2004 | |
|
|
2005 | $self->state (ST_CUSTOM); |
|
|
2006 | |
|
|
2007 | utf8::encode $text; |
|
|
2008 | push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; |
|
|
2009 | |
|
|
2010 | $self->send_packet ($self->{query_queue}[0][0]) |
|
|
2011 | if @{ $self->{query_queue} } == 1; |
|
|
2012 | } |
|
|
2013 | |
|
|
2014 | cf::client->attach ( |
|
|
2015 | on_reply => sub { |
|
|
2016 | my ($ns, $msg) = @_; |
|
|
2017 | |
|
|
2018 | # this weird shuffling is so that direct followup queries |
|
|
2019 | # get handled first |
|
|
2020 | my $queue = delete $ns->{query_queue} |
|
|
2021 | or return; # be conservative, not sure how that can happen, but we saw a crash here |
|
|
2022 | |
|
|
2023 | (shift @$queue)->[1]->($msg); |
|
|
2024 | return unless $ns->valid; # temporary(?) workaround for callback destroying socket |
|
|
2025 | |
|
|
2026 | push @{ $ns->{query_queue} }, @$queue; |
|
|
2027 | |
|
|
2028 | if (@{ $ns->{query_queue} } == @$queue) { |
|
|
2029 | if (@$queue) { |
|
|
2030 | $ns->send_packet ($ns->{query_queue}[0][0]); |
|
|
2031 | } else { |
|
|
2032 | $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; |
|
|
2033 | } |
|
|
2034 | } |
|
|
2035 | }, |
|
|
2036 | ); |
|
|
2037 | |
|
|
2038 | =item $client->async (\&cb) |
|
|
2039 | |
|
|
2040 | Create a new coroutine, running the specified callback. The coroutine will |
|
|
2041 | be automatically cancelled when the client gets destroyed (e.g. on logout, |
|
|
2042 | or loss of connection). |
|
|
2043 | |
|
|
2044 | =cut |
|
|
2045 | |
|
|
2046 | sub cf::client::async { |
|
|
2047 | my ($self, $cb) = @_; |
|
|
2048 | |
|
|
2049 | my $coro = &Coro::async ($cb); |
|
|
2050 | |
|
|
2051 | $coro->on_destroy (sub { |
|
|
2052 | delete $self->{_coro}{$coro+0}; |
|
|
2053 | }); |
|
|
2054 | |
|
|
2055 | $self->{_coro}{$coro+0} = $coro; |
|
|
2056 | |
|
|
2057 | $coro |
|
|
2058 | } |
|
|
2059 | |
|
|
2060 | cf::client->attach ( |
|
|
2061 | on_destroy => sub { |
|
|
2062 | my ($ns) = @_; |
|
|
2063 | |
|
|
2064 | $_->cancel for values %{ (delete $ns->{_coro}) || {} }; |
|
|
2065 | }, |
|
|
2066 | ); |
|
|
2067 | |
|
|
2068 | =back |
|
|
2069 | |
|
|
2070 | |
|
|
2071 | =head2 SAFE SCRIPTING |
|
|
2072 | |
|
|
2073 | Functions that provide a safe environment to compile and execute |
|
|
2074 | snippets of perl code without them endangering the safety of the server |
|
|
2075 | itself. Looping constructs, I/O operators and other built-in functionality |
|
|
2076 | is not available in the safe scripting environment, and the number of |
|
|
2077 | functions and methods that can be called is greatly reduced. |
|
|
2078 | |
|
|
2079 | =cut |
|
|
2080 | |
|
|
2081 | our $safe = new Safe "safe"; |
|
|
2082 | our $safe_hole = new Safe::Hole; |
|
|
2083 | |
|
|
2084 | $SIG{FPE} = 'IGNORE'; |
|
|
2085 | |
|
|
2086 | $safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
|
|
2087 | |
|
|
2088 | # here we export the classes and methods available to script code |
|
|
2089 | |
|
|
2090 | =pod |
|
|
2091 | |
|
|
2092 | The following fucntions and emthods are available within a safe environment: |
|
|
2093 | |
|
|
2094 | cf::object contr pay_amount pay_player map |
|
|
2095 | cf::object::player player |
|
|
2096 | cf::player peaceful |
|
|
2097 | cf::map trigger |
|
|
2098 | |
|
|
2099 | =cut |
|
|
2100 | |
|
|
2101 | for ( |
|
|
2102 | ["cf::object" => qw(contr pay_amount pay_player map)], |
|
|
2103 | ["cf::object::player" => qw(player)], |
|
|
2104 | ["cf::player" => qw(peaceful)], |
|
|
2105 | ["cf::map" => qw(trigger)], |
|
|
2106 | ) { |
| 121 | no strict 'refs'; |
2107 | no strict 'refs'; |
|
|
2108 | my ($pkg, @funs) = @$_; |
|
|
2109 | *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
|
|
2110 | for @funs; |
|
|
2111 | } |
| 122 | |
2112 | |
| 123 | # @{"$pkg\::ISA"} = cf::ext::; |
2113 | =over 4 |
| 124 | |
2114 | |
| 125 | for my $idx (0 .. $#EVENT) { |
2115 | =item @retval = safe_eval $code, [var => value, ...] |
| 126 | if (my $ref = $pkg->can ("on_$EVENT[$idx]")) { |
2116 | |
| 127 | warn "registering $EVENT[$idx] hook\n"; |
2117 | Compiled and executes the given perl code snippet. additional var/value |
| 128 | $hook[$idx]{$pkg} = $ref; |
2118 | pairs result in temporary local (my) scalar variables of the given name |
|
|
2119 | that are available in the code snippet. Example: |
|
|
2120 | |
|
|
2121 | my $five = safe_eval '$first + $second', first => 1, second => 4; |
|
|
2122 | |
|
|
2123 | =cut |
|
|
2124 | |
|
|
2125 | sub safe_eval($;@) { |
|
|
2126 | my ($code, %vars) = @_; |
|
|
2127 | |
|
|
2128 | my $qcode = $code; |
|
|
2129 | $qcode =~ s/"/‟/g; # not allowed in #line filenames |
|
|
2130 | $qcode =~ s/\n/\\n/g; |
|
|
2131 | |
|
|
2132 | local $_; |
|
|
2133 | local @safe::cf::_safe_eval_args = values %vars; |
|
|
2134 | |
|
|
2135 | my $eval = |
|
|
2136 | "do {\n" |
|
|
2137 | . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" |
|
|
2138 | . "#line 0 \"{$qcode}\"\n" |
|
|
2139 | . $code |
|
|
2140 | . "\n}" |
|
|
2141 | ; |
|
|
2142 | |
|
|
2143 | sub_generation_inc; |
|
|
2144 | my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); |
|
|
2145 | sub_generation_inc; |
|
|
2146 | |
|
|
2147 | if ($@) { |
|
|
2148 | warn "$@"; |
|
|
2149 | warn "while executing safe code '$code'\n"; |
|
|
2150 | warn "with arguments " . (join " ", %vars) . "\n"; |
|
|
2151 | } |
|
|
2152 | |
|
|
2153 | wantarray ? @res : $res[0] |
|
|
2154 | } |
|
|
2155 | |
|
|
2156 | =item cf::register_script_function $function => $cb |
|
|
2157 | |
|
|
2158 | Register a function that can be called from within map/npc scripts. The |
|
|
2159 | function should be reasonably secure and should be put into a package name |
|
|
2160 | like the extension. |
|
|
2161 | |
|
|
2162 | Example: register a function that gets called whenever a map script calls |
|
|
2163 | C<rent::overview>, as used by the C<rent> extension. |
|
|
2164 | |
|
|
2165 | cf::register_script_function "rent::overview" => sub { |
|
|
2166 | ... |
|
|
2167 | }; |
|
|
2168 | |
|
|
2169 | =cut |
|
|
2170 | |
|
|
2171 | sub register_script_function { |
|
|
2172 | my ($fun, $cb) = @_; |
|
|
2173 | |
|
|
2174 | no strict 'refs'; |
|
|
2175 | *{"safe::$fun"} = $safe_hole->wrap ($cb); |
|
|
2176 | } |
|
|
2177 | |
|
|
2178 | =back |
|
|
2179 | |
|
|
2180 | =cut |
|
|
2181 | |
|
|
2182 | ############################################################################# |
|
|
2183 | |
|
|
2184 | =head2 EXTENSION DATABASE SUPPORT |
|
|
2185 | |
|
|
2186 | Crossfire maintains a very simple database for extension use. It can |
|
|
2187 | currently store anything that can be serialised using Storable, which |
|
|
2188 | excludes objects. |
|
|
2189 | |
|
|
2190 | The parameter C<$family> should best start with the name of the extension |
|
|
2191 | using it, it should be unique. |
|
|
2192 | |
|
|
2193 | =over 4 |
|
|
2194 | |
|
|
2195 | =item $value = cf::db_get $family => $key |
|
|
2196 | |
|
|
2197 | Returns a single value from the database. |
|
|
2198 | |
|
|
2199 | =item cf::db_put $family => $key => $value |
|
|
2200 | |
|
|
2201 | Stores the given C<$value> in the family. |
|
|
2202 | |
|
|
2203 | =cut |
|
|
2204 | |
|
|
2205 | our $DB; |
|
|
2206 | |
|
|
2207 | sub db_init { |
|
|
2208 | unless ($DB) { |
|
|
2209 | $DB = BDB::db_create $DB_ENV; |
|
|
2210 | |
|
|
2211 | cf::sync_job { |
|
|
2212 | eval { |
|
|
2213 | $DB->set_flags (BDB::CHKSUM); |
|
|
2214 | |
|
|
2215 | BDB::db_open $DB, undef, "db", undef, BDB::BTREE, |
|
|
2216 | BDB::CREATE | BDB::AUTO_COMMIT, 0666; |
|
|
2217 | cf::cleanup "db_open(db): $!" if $!; |
|
|
2218 | }; |
|
|
2219 | cf::cleanup "db_open(db): $@" if $@; |
| 129 | } |
2220 | }; |
| 130 | } |
|
|
| 131 | } |
|
|
| 132 | |
2221 | |
| 133 | sub unload_extension { |
2222 | my $path = cf::localdir . "/database.pst"; |
| 134 | my ($pkg) = @_; |
2223 | if (stat $path) { |
|
|
2224 | cf::sync_job { |
|
|
2225 | my $pst = Storable::retrieve $path; |
| 135 | |
2226 | |
| 136 | warn "removing extension $pkg\n"; |
2227 | cf::db_put (board => data => $pst->{board}); |
|
|
2228 | cf::db_put (guildrules => data => $pst->{guildrules}); |
|
|
2229 | cf::db_put (rent => balance => $pst->{rent}{balance}); |
|
|
2230 | BDB::db_env_txn_checkpoint $DB_ENV; |
| 137 | |
2231 | |
| 138 | # remove hooks |
2232 | unlink $path; |
| 139 | for my $idx (0 .. $#EVENT) { |
2233 | }; |
| 140 | delete $hook[$idx]{$pkg}; |
2234 | } |
| 141 | } |
2235 | } |
|
|
2236 | } |
| 142 | |
2237 | |
| 143 | # remove commands |
2238 | sub db_get($$) { |
| 144 | for my $name (keys %command) { |
2239 | my $key = "$_[0]/$_[1]"; |
| 145 | my @cb = grep $_->[2] ne $pkg, @{ $command{$name} }; |
|
|
| 146 | |
2240 | |
| 147 | if (@cb) { |
2241 | cf::sync_job { |
| 148 | $command{$name} = \@cb; |
2242 | BDB::db_get $DB, undef, $key, my $data; |
| 149 | $COMMAND{"$name\000"} = List::Util::max map $_->[0], @cb; |
2243 | |
|
|
2244 | $! ? () |
|
|
2245 | : Compress::LZF::sthaw $data |
|
|
2246 | } |
|
|
2247 | } |
|
|
2248 | |
|
|
2249 | sub db_put($$$) { |
|
|
2250 | BDB::dbreq_pri 4; |
|
|
2251 | BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { }; |
|
|
2252 | } |
|
|
2253 | |
|
|
2254 | ############################################################################# |
|
|
2255 | # the server's init and main functions |
|
|
2256 | |
|
|
2257 | sub init_resources { |
|
|
2258 | load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir |
|
|
2259 | or die "unable to load regions file\n";#d# |
|
|
2260 | } |
|
|
2261 | |
|
|
2262 | sub cfg_load { |
|
|
2263 | open my $fh, "<:utf8", cf::confdir . "/config" |
|
|
2264 | or return; |
|
|
2265 | |
|
|
2266 | local $/; |
|
|
2267 | *CFG = YAML::Syck::Load <$fh>; |
|
|
2268 | |
|
|
2269 | $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; |
|
|
2270 | |
|
|
2271 | $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; |
|
|
2272 | $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; |
|
|
2273 | |
|
|
2274 | if (exists $CFG{mlockall}) { |
| 150 | } else { |
2275 | eval { |
| 151 | delete $command{$name}; |
2276 | $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" |
| 152 | delete $COMMAND{"$name\000"}; |
2277 | and die "WARNING: m(un)lockall failed: $!\n"; |
| 153 | } |
2278 | }; |
|
|
2279 | warn $@ if $@; |
|
|
2280 | } |
|
|
2281 | } |
|
|
2282 | |
|
|
2283 | sub init { |
|
|
2284 | init_resources; |
|
|
2285 | } |
|
|
2286 | |
|
|
2287 | sub main { |
|
|
2288 | # we must not ever block the main coroutine |
|
|
2289 | local $Coro::idle = sub { |
|
|
2290 | Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# |
|
|
2291 | (async { |
|
|
2292 | Event::one_event; |
|
|
2293 | })->prio (Coro::PRIO_MAX); |
| 154 | } |
2294 | }; |
| 155 | |
2295 | |
|
|
2296 | cfg_load; |
|
|
2297 | db_init; |
|
|
2298 | load_extensions; |
|
|
2299 | |
|
|
2300 | $TICK_WATCHER->start; |
|
|
2301 | Event::loop; |
|
|
2302 | } |
|
|
2303 | |
|
|
2304 | ############################################################################# |
|
|
2305 | # initialisation and cleanup |
|
|
2306 | |
|
|
2307 | # install some emergency cleanup handlers |
|
|
2308 | BEGIN { |
|
|
2309 | for my $signal (qw(INT HUP TERM)) { |
|
|
2310 | Event->signal ( |
|
|
2311 | reentrant => 0, |
|
|
2312 | data => WF_AUTOCANCEL, |
|
|
2313 | signal => $signal, |
|
|
2314 | prio => 0, |
|
|
2315 | cb => sub { |
|
|
2316 | cf::cleanup "SIG$signal"; |
|
|
2317 | }, |
|
|
2318 | ); |
|
|
2319 | } |
|
|
2320 | } |
|
|
2321 | |
|
|
2322 | sub emergency_save() { |
|
|
2323 | my $freeze_guard = cf::freeze_mainloop; |
|
|
2324 | |
|
|
2325 | warn "enter emergency perl save\n"; |
|
|
2326 | |
|
|
2327 | cf::sync_job { |
|
|
2328 | # use a peculiar iteration method to avoid tripping on perl |
|
|
2329 | # refcount bugs in for. also avoids problems with players |
|
|
2330 | # and maps saved/destroyed asynchronously. |
|
|
2331 | warn "begin emergency player save\n"; |
|
|
2332 | for my $login (keys %cf::PLAYER) { |
|
|
2333 | my $pl = $cf::PLAYER{$login} or next; |
|
|
2334 | $pl->valid or next; |
|
|
2335 | $pl->save; |
|
|
2336 | } |
|
|
2337 | warn "end emergency player save\n"; |
|
|
2338 | |
|
|
2339 | warn "begin emergency map save\n"; |
|
|
2340 | for my $path (keys %cf::MAP) { |
|
|
2341 | my $map = $cf::MAP{$path} or next; |
|
|
2342 | $map->valid or next; |
|
|
2343 | $map->save; |
|
|
2344 | } |
|
|
2345 | warn "end emergency map save\n"; |
|
|
2346 | |
|
|
2347 | warn "begin emergency database checkpoint\n"; |
|
|
2348 | BDB::db_env_txn_checkpoint $DB_ENV; |
|
|
2349 | warn "end emergency database checkpoint\n"; |
|
|
2350 | }; |
|
|
2351 | |
|
|
2352 | warn "leave emergency perl save\n"; |
|
|
2353 | } |
|
|
2354 | |
|
|
2355 | sub post_cleanup { |
|
|
2356 | my ($make_core) = @_; |
|
|
2357 | |
|
|
2358 | warn Carp::longmess "post_cleanup backtrace" |
|
|
2359 | if $make_core; |
|
|
2360 | } |
|
|
2361 | |
|
|
2362 | sub reload() { |
|
|
2363 | # can/must only be called in main |
|
|
2364 | if ($Coro::current != $Coro::main) { |
|
|
2365 | warn "can only reload from main coroutine"; |
|
|
2366 | return; |
|
|
2367 | } |
|
|
2368 | |
|
|
2369 | warn "reloading..."; |
|
|
2370 | |
|
|
2371 | warn "entering sync_job"; |
|
|
2372 | |
|
|
2373 | cf::sync_job { |
|
|
2374 | cf::write_runtime; # external watchdog should not bark |
|
|
2375 | cf::emergency_save; |
|
|
2376 | cf::write_runtime; # external watchdog should not bark |
|
|
2377 | |
|
|
2378 | warn "syncing database to disk"; |
|
|
2379 | BDB::db_env_txn_checkpoint $DB_ENV; |
|
|
2380 | |
|
|
2381 | # if anything goes wrong in here, we should simply crash as we already saved |
|
|
2382 | |
|
|
2383 | warn "cancelling all WF_AUTOCANCEL watchers"; |
|
|
2384 | for (Event::all_watchers) { |
|
|
2385 | $_->cancel if $_->data & WF_AUTOCANCEL; |
|
|
2386 | } |
|
|
2387 | |
|
|
2388 | warn "flushing outstanding aio requests"; |
|
|
2389 | for (;;) { |
|
|
2390 | BDB::flush; |
|
|
2391 | IO::AIO::flush; |
|
|
2392 | Coro::cede; |
|
|
2393 | last unless IO::AIO::nreqs || BDB::nreqs; |
|
|
2394 | warn "iterate..."; |
|
|
2395 | } |
|
|
2396 | |
|
|
2397 | warn "cancelling all extension coros"; |
|
|
2398 | $_->cancel for values %EXT_CORO; |
|
|
2399 | %EXT_CORO = (); |
|
|
2400 | |
|
|
2401 | warn "removing commands"; |
|
|
2402 | %COMMAND = (); |
|
|
2403 | |
|
|
2404 | warn "removing ext commands"; |
|
|
2405 | %EXTCMD = (); |
|
|
2406 | |
|
|
2407 | warn "unloading/nuking all extensions"; |
|
|
2408 | for my $pkg (@EXTS) { |
|
|
2409 | warn "... unloading $pkg"; |
|
|
2410 | |
|
|
2411 | if (my $cb = $pkg->can ("unload")) { |
|
|
2412 | eval { |
|
|
2413 | $cb->($pkg); |
|
|
2414 | 1 |
|
|
2415 | } or warn "$pkg unloaded, but with errors: $@"; |
|
|
2416 | } |
|
|
2417 | |
|
|
2418 | warn "... nuking $pkg"; |
| 156 | Symbol::delete_package $pkg; |
2419 | Symbol::delete_package $pkg; |
| 157 | } |
2420 | } |
| 158 | |
2421 | |
| 159 | sub load_extensions { |
2422 | warn "unloading all perl modules loaded from $LIBDIR"; |
| 160 | my $LIBDIR = maps_directory "perl"; |
2423 | while (my ($k, $v) = each %INC) { |
|
|
2424 | next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
| 161 | |
2425 | |
| 162 | for my $ext (<$LIBDIR/*.ext>) { |
2426 | warn "... unloading $k"; |
|
|
2427 | delete $INC{$k}; |
|
|
2428 | |
|
|
2429 | $k =~ s/\.pm$//; |
|
|
2430 | $k =~ s/\//::/g; |
|
|
2431 | |
|
|
2432 | if (my $cb = $k->can ("unload_module")) { |
|
|
2433 | $cb->(); |
|
|
2434 | } |
|
|
2435 | |
|
|
2436 | Symbol::delete_package $k; |
|
|
2437 | } |
|
|
2438 | |
|
|
2439 | warn "getting rid of safe::, as good as possible"; |
|
|
2440 | Symbol::delete_package "safe::$_" |
|
|
2441 | for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); |
|
|
2442 | |
|
|
2443 | warn "unloading cf.pm \"a bit\""; |
|
|
2444 | delete $INC{"cf.pm"}; |
|
|
2445 | |
|
|
2446 | # don't, removes xs symbols, too, |
|
|
2447 | # and global variables created in xs |
|
|
2448 | #Symbol::delete_package __PACKAGE__; |
|
|
2449 | |
|
|
2450 | warn "unload completed, starting to reload now"; |
|
|
2451 | |
|
|
2452 | warn "reloading cf.pm"; |
|
|
2453 | require cf; |
|
|
2454 | cf::_connect_to_perl; # nominally unnecessary, but cannot hurt |
|
|
2455 | |
|
|
2456 | warn "loading config and database again"; |
|
|
2457 | cf::cfg_load; |
|
|
2458 | |
|
|
2459 | warn "loading extensions"; |
| 163 | load_extension $ext; |
2460 | cf::load_extensions; |
|
|
2461 | |
|
|
2462 | warn "reattaching attachments to objects/players"; |
|
|
2463 | _global_reattach; |
|
|
2464 | warn "reattaching attachments to maps"; |
|
|
2465 | reattach $_ for values %MAP; |
|
|
2466 | |
|
|
2467 | warn "loading reloadable resources"; |
|
|
2468 | init_resources; |
|
|
2469 | |
|
|
2470 | warn "leaving sync_job"; |
|
|
2471 | |
|
|
2472 | 1 |
|
|
2473 | } or do { |
|
|
2474 | warn $@; |
|
|
2475 | warn "error while reloading, exiting."; |
|
|
2476 | exit 1; |
| 164 | } |
2477 | }; |
| 165 | } |
|
|
| 166 | |
2478 | |
|
|
2479 | warn "reloaded"; |
|
|
2480 | }; |
|
|
2481 | |
|
|
2482 | our $RELOAD_WATCHER; # used only during reload |
|
|
2483 | |
| 167 | register_command "perl-reload", 0, sub { |
2484 | register_command "reload" => sub { |
| 168 | my ($who, $arg) = @_; |
2485 | my ($who, $arg) = @_; |
| 169 | |
2486 | |
| 170 | if ($who->flag (FLAG_WIZ)) { |
2487 | if ($who->flag (FLAG_WIZ)) { |
| 171 | warn "reloading...\n"; |
2488 | $who->message ("reloading server."); |
| 172 | unload_extension $_ for @exts; |
2489 | |
| 173 | @exts = 0; |
2490 | # doing reload synchronously and two reloads happen back-to-back, |
| 174 | load_extensions; |
2491 | # coro crashes during coro_state_free->destroy here. |
| 175 | warn "reloaded\n"; |
2492 | |
|
|
2493 | $RELOAD_WATCHER ||= Event->timer ( |
|
|
2494 | reentrant => 0, |
|
|
2495 | after => 0, |
|
|
2496 | data => WF_AUTOCANCEL, |
|
|
2497 | cb => sub { |
|
|
2498 | reload; |
|
|
2499 | undef $RELOAD_WATCHER; |
|
|
2500 | }, |
|
|
2501 | ); |
| 176 | } |
2502 | } |
| 177 | }; |
2503 | }; |
| 178 | |
2504 | |
| 179 | load_extensions; |
2505 | unshift @INC, $LIBDIR; |
|
|
2506 | |
|
|
2507 | my $bug_warning = 0; |
|
|
2508 | |
|
|
2509 | $TICK_WATCHER = Event->timer ( |
|
|
2510 | reentrant => 0, |
|
|
2511 | parked => 1, |
|
|
2512 | prio => 0, |
|
|
2513 | at => $NEXT_TICK || $TICK, |
|
|
2514 | data => WF_AUTOCANCEL, |
|
|
2515 | cb => sub { |
|
|
2516 | if ($Coro::current != $Coro::main) { |
|
|
2517 | Carp::cluck "major BUG: server tick called outside of main coro, skipping it" |
|
|
2518 | unless ++$bug_warning > 10; |
|
|
2519 | return; |
|
|
2520 | } |
|
|
2521 | |
|
|
2522 | $NOW = Event::time; |
|
|
2523 | |
|
|
2524 | cf::server_tick; # one server iteration |
|
|
2525 | $RUNTIME += $TICK; |
|
|
2526 | $NEXT_TICK += $TICK; |
|
|
2527 | |
|
|
2528 | if ($NOW >= $NEXT_RUNTIME_WRITE) { |
|
|
2529 | $NEXT_RUNTIME_WRITE = $NOW + 10; |
|
|
2530 | Coro::async_pool { |
|
|
2531 | write_runtime |
|
|
2532 | or warn "ERROR: unable to write runtime file: $!"; |
|
|
2533 | }; |
|
|
2534 | } |
|
|
2535 | |
|
|
2536 | $WAIT_FOR_TICK->broadcast; |
|
|
2537 | $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; |
|
|
2538 | |
|
|
2539 | # my $AFTER = Event::time; |
|
|
2540 | # warn $AFTER - $NOW;#d# |
|
|
2541 | |
|
|
2542 | # if we are delayed by four ticks or more, skip them all |
|
|
2543 | $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; |
|
|
2544 | |
|
|
2545 | $TICK_WATCHER->at ($NEXT_TICK); |
|
|
2546 | $TICK_WATCHER->start; |
|
|
2547 | }, |
|
|
2548 | ); |
|
|
2549 | |
|
|
2550 | { |
|
|
2551 | BDB::max_poll_time $TICK * 0.1; |
|
|
2552 | $BDB_POLL_WATCHER = Event->io ( |
|
|
2553 | reentrant => 0, |
|
|
2554 | fd => BDB::poll_fileno, |
|
|
2555 | poll => 'r', |
|
|
2556 | prio => 0, |
|
|
2557 | data => WF_AUTOCANCEL, |
|
|
2558 | cb => \&BDB::poll_cb, |
|
|
2559 | ); |
|
|
2560 | BDB::min_parallel 8; |
|
|
2561 | |
|
|
2562 | BDB::set_sync_prepare { |
|
|
2563 | my $status; |
|
|
2564 | my $current = $Coro::current; |
|
|
2565 | ( |
|
|
2566 | sub { |
|
|
2567 | $status = $!; |
|
|
2568 | $current->ready; undef $current; |
|
|
2569 | }, |
|
|
2570 | sub { |
|
|
2571 | Coro::schedule while defined $current; |
|
|
2572 | $! = $status; |
|
|
2573 | }, |
|
|
2574 | ) |
|
|
2575 | }; |
|
|
2576 | |
|
|
2577 | unless ($DB_ENV) { |
|
|
2578 | $DB_ENV = BDB::db_env_create; |
|
|
2579 | |
|
|
2580 | cf::sync_job { |
|
|
2581 | eval { |
|
|
2582 | BDB::db_env_open |
|
|
2583 | $DB_ENV, |
|
|
2584 | $BDB_ENV_DIR, |
|
|
2585 | BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN |
|
|
2586 | | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, |
|
|
2587 | 0666; |
|
|
2588 | |
|
|
2589 | cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; |
|
|
2590 | |
|
|
2591 | $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); |
|
|
2592 | $DB_ENV->set_lk_detect; |
|
|
2593 | }; |
|
|
2594 | |
|
|
2595 | cf::cleanup "db_env_open(db): $@" if $@; |
|
|
2596 | }; |
|
|
2597 | } |
|
|
2598 | } |
|
|
2599 | |
|
|
2600 | { |
|
|
2601 | IO::AIO::min_parallel 8; |
|
|
2602 | |
|
|
2603 | undef $Coro::AIO::WATCHER; |
|
|
2604 | IO::AIO::max_poll_time $TICK * 0.1; |
|
|
2605 | $AIO_POLL_WATCHER = Event->io ( |
|
|
2606 | reentrant => 0, |
|
|
2607 | data => WF_AUTOCANCEL, |
|
|
2608 | fd => IO::AIO::poll_fileno, |
|
|
2609 | poll => 'r', |
|
|
2610 | prio => 6, |
|
|
2611 | cb => \&IO::AIO::poll_cb, |
|
|
2612 | ); |
|
|
2613 | } |
|
|
2614 | |
|
|
2615 | END { cf::emergency_save } |
| 180 | |
2616 | |
| 181 | 1 |
2617 | 1 |
| 182 | |
2618 | |
