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 Socket; |
5 | use Storable; |
9 | use Storable; |
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10 | use Event; |
6 | use Opcode; |
11 | use Opcode; |
7 | use Safe; |
12 | use Safe; |
8 | use Safe::Hole; |
13 | use Safe::Hole; |
9 | |
14 | |
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15 | use Coro 3.61 (); |
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16 | use Coro::State; |
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17 | use Coro::Handle; |
10 | use Event; |
18 | use Coro::Event; |
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19 | use Coro::Timer; |
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20 | use Coro::Signal; |
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21 | use Coro::Semaphore; |
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22 | use Coro::AIO; |
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23 | use Coro::Storable; |
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24 | |
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25 | use JSON::XS 1.4 (); |
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26 | use BDB (); |
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27 | use Data::Dumper; |
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28 | use Digest::MD5; |
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29 | use Fcntl; |
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30 | use YAML::Syck (); |
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31 | use IO::AIO 2.32 (); |
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32 | use Time::HiRes; |
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33 | use Compress::LZF; |
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34 | use Digest::MD5 (); |
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35 | |
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36 | # configure various modules to our taste |
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37 | # |
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38 | $Storable::canonical = 1; # reduce rsync transfers |
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39 | Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator |
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40 | Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later |
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41 | |
11 | $Event::Eval = 1; # no idea why this is required, but it is |
42 | $Event::Eval = 1; # no idea why this is required, but it is |
12 | |
43 | |
13 | use strict; |
44 | # work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? |
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45 | $YAML::Syck::ImplicitUnicode = 1; |
14 | |
46 | |
15 | our %COMMAND; |
47 | $Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority |
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48 | |
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49 | sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload |
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50 | |
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51 | our %COMMAND = (); |
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52 | our %COMMAND_TIME = (); |
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53 | |
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54 | our @EXTS = (); # list of extension package names |
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55 | our %EXTCMD = (); |
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56 | our %EXTICMD = (); |
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57 | our %EXT_CORO = (); # coroutines bound to extensions |
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58 | our %EXT_MAP = (); # pluggable maps |
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59 | |
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60 | our $RELOAD; # number of reloads so far |
16 | our @EVENT; |
61 | our @EVENT; |
17 | our %PROP_TYPE; |
62 | |
18 | our %PROP_IDX; |
63 | our $CONFDIR = confdir; |
19 | our $LIBDIR = maps_directory "perl"; |
64 | our $DATADIR = datadir; |
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65 | our $LIBDIR = "$DATADIR/ext"; |
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66 | our $PODDIR = "$DATADIR/pod"; |
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67 | our $MAPDIR = "$DATADIR/" . mapdir; |
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68 | our $LOCALDIR = localdir; |
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69 | our $TMPDIR = "$LOCALDIR/" . tmpdir; |
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70 | our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; |
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71 | our $PLAYERDIR = "$LOCALDIR/" . playerdir; |
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72 | our $RANDOMDIR = "$LOCALDIR/random"; |
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73 | our $BDBDIR = "$LOCALDIR/db"; |
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74 | |
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75 | our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) |
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76 | our $TICK_WATCHER; |
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77 | our $AIO_POLL_WATCHER; |
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78 | our $NEXT_RUNTIME_WRITE; # when should the runtime file be written |
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79 | our $NEXT_TICK; |
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80 | our $NOW; |
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81 | our $USE_FSYNC = 1; # use fsync to write maps - default off |
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82 | |
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83 | our $BDB_POLL_WATCHER; |
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84 | our $DB_ENV; |
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85 | |
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86 | our %CFG; |
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87 | |
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88 | our $UPTIME; $UPTIME ||= time; |
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89 | our $RUNTIME; |
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90 | |
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91 | our %PLAYER; # all users |
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92 | our %MAP; # all maps |
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93 | our $LINK_MAP; # the special {link} map, which is always available |
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94 | |
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95 | # used to convert map paths into valid unix filenames by replacing / by ∕ |
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96 | our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons |
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97 | |
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98 | our $LOAD; # a number between 0 (idle) and 1 (too many objects) |
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99 | our $LOADAVG; # same thing, but with alpha-smoothing |
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100 | our $tick_start; # for load detecting purposes |
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101 | |
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102 | binmode STDOUT; |
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103 | binmode STDERR; |
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104 | |
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105 | # read virtual server time, if available |
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106 | unless ($RUNTIME || !-e "$LOCALDIR/runtime") { |
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107 | open my $fh, "<", "$LOCALDIR/runtime" |
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108 | or die "unable to read runtime file: $!"; |
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109 | $RUNTIME = <$fh> + 0.; |
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110 | } |
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111 | |
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112 | mkdir $_ |
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113 | for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; |
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114 | |
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115 | our $EMERGENCY_POSITION; |
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116 | |
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117 | sub cf::map::normalise; |
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118 | |
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119 | ############################################################################# |
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120 | |
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121 | =head2 GLOBAL VARIABLES |
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122 | |
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123 | =over 4 |
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124 | |
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125 | =item $cf::UPTIME |
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126 | |
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127 | The timestamp of the server start (so not actually an uptime). |
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128 | |
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129 | =item $cf::RUNTIME |
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130 | |
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131 | The time this server has run, starts at 0 and is increased by $cf::TICK on |
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132 | every server tick. |
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133 | |
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134 | =item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR |
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135 | $cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR |
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136 | $cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR |
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137 | |
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138 | Various directories - "/etc", read-only install directory, perl-library |
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139 | directory, pod-directory, read-only maps directory, "/var", "/var/tmp", |
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140 | unique-items directory, player file directory, random maps directory and |
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141 | database environment. |
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142 | |
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143 | =item $cf::NOW |
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144 | |
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145 | The time of the last (current) server tick. |
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146 | |
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147 | =item $cf::TICK |
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148 | |
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149 | The interval between server ticks, in seconds. |
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150 | |
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151 | =item $cf::LOADAVG |
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152 | |
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153 | The current CPU load on the server (alpha-smoothed), as a value between 0 |
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154 | (none) and 1 (overloaded), indicating how much time is spent on processing |
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155 | objects per tick. Healthy values are < 0.5. |
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156 | |
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157 | =item $cf::LOAD |
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158 | |
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159 | The raw value load value from the last tick. |
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160 | |
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161 | =item %cf::CFG |
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162 | |
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163 | Configuration for the server, loaded from C</etc/crossfire/config>, or |
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164 | from wherever your confdir points to. |
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165 | |
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166 | =item cf::wait_for_tick, cf::wait_for_tick_begin |
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167 | |
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168 | These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only |
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169 | returns directly I<after> the tick processing (and consequently, can only wake one process |
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170 | per tick), while cf::wait_for_tick wakes up all waiters after tick processing. |
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171 | |
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172 | =item @cf::INVOKE_RESULTS |
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173 | |
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174 | This array contains the results of the last C<invoke ()> call. When |
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175 | C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of |
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176 | that call. |
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177 | |
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178 | =back |
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179 | |
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180 | =cut |
20 | |
181 | |
21 | BEGIN { |
182 | BEGIN { |
22 | @EVENT = map lc, @EVENT; |
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23 | |
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24 | *CORE::GLOBAL::warn = sub { |
183 | *CORE::GLOBAL::warn = sub { |
25 | my $msg = join "", @_; |
184 | my $msg = join "", @_; |
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185 | |
26 | $msg .= "\n" |
186 | $msg .= "\n" |
27 | unless $msg =~ /\n$/; |
187 | unless $msg =~ /\n$/; |
28 | |
188 | |
29 | print STDERR "cfperl: $msg"; |
189 | $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; |
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190 | |
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191 | utf8::encode $msg; |
30 | LOG llevError, "cfperl: $msg"; |
192 | LOG llevError, $msg; |
31 | }; |
193 | }; |
32 | } |
194 | } |
33 | |
195 | |
34 | my %ignore_set = (MAP_PROP_PATH => 1); # I hate the plug-in api. Deeply! |
196 | @safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; |
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197 | @safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; |
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198 | @safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; |
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199 | @safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; |
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200 | @safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; |
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201 | @safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object'; |
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202 | @safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet) |
35 | |
203 | |
36 | # generate property mutators |
204 | # we bless all objects into (empty) derived classes to force a method lookup |
37 | sub prop_gen { |
205 | # within the Safe compartment. |
38 | my ($prefix, $class) = @_; |
206 | for my $pkg (qw( |
39 | |
207 | cf::global cf::attachable |
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208 | cf::object cf::object::player |
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209 | cf::client cf::player |
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210 | cf::arch cf::living |
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211 | cf::map cf::party cf::region |
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212 | )) { |
40 | no strict 'refs'; |
213 | no strict 'refs'; |
41 | |
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42 | for my $prop (keys %PROP_TYPE) { |
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43 | $prop =~ /^\Q$prefix\E_(.*$)/ or next; |
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44 | my $sub = lc $1; |
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45 | |
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46 | my $type = $PROP_TYPE{$prop}; |
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47 | my $idx = $PROP_IDX {$prop}; |
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48 | |
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49 | *{"$class\::get_$sub"} = *{"$class\::$sub"} = sub { |
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50 | $_[0]->get_property ($type, $idx) |
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51 | }; |
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52 | |
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53 | *{"$class\::set_$sub"} = sub { |
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54 | $_[0]->set_property ($type, $idx, $_[1]); |
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55 | } unless $ignore_set{$prop}; |
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56 | } |
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57 | } |
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58 | |
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59 | # auto-generate most of the API |
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60 | |
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61 | prop_gen OBJECT_PROP => "cf::object"; |
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62 | # CFAPI_OBJECT_ANIMATION? |
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63 | prop_gen PLAYER_PROP => "cf::object::player"; |
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64 | |
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65 | prop_gen MAP_PROP => "cf::map"; |
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66 | prop_gen ARCH_PROP => "cf::arch"; |
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67 | |
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68 | # guessed hierarchies |
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69 | |
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70 | @ext::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
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71 | @ext::cf::object::map::ISA = @cf::object::map::ISA = 'cf::object'; |
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72 | |
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73 | # we bless all objects into derived classes to force a method lookup |
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74 | # within the Safe compartment. |
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75 | for my $pkg (qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region)) { |
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76 | no strict 'refs'; |
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77 | @{"ext::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
214 | @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
78 | } |
215 | } |
79 | |
216 | |
80 | $Event::DIED = sub { |
217 | $Event::DIED = sub { |
81 | warn "error in event callback: @_"; |
218 | warn "error in event callback: @_"; |
82 | }; |
219 | }; |
83 | |
220 | |
84 | my %ext_pkg; |
221 | ############################################################################# |
85 | my @exts; |
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86 | my @hook; |
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87 | my %command; |
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88 | my %extcmd; |
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89 | |
222 | |
90 | sub inject_event { |
223 | =head2 UTILITY FUNCTIONS |
91 | my $extension = shift; |
224 | |
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225 | =over 4 |
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226 | |
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227 | =item dumpval $ref |
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228 | |
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229 | =cut |
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230 | |
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231 | sub dumpval { |
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232 | eval { |
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233 | local $SIG{__DIE__}; |
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234 | my $d; |
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235 | if (1) { |
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236 | $d = new Data::Dumper([$_[0]], ["*var"]); |
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237 | $d->Terse(1); |
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238 | $d->Indent(2); |
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239 | $d->Quotekeys(0); |
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240 | $d->Useqq(1); |
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241 | #$d->Bless(...); |
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242 | $d->Seen($_[1]) if @_ > 1; |
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243 | $d = $d->Dump(); |
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244 | } |
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245 | $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; |
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246 | $d |
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247 | } || "[unable to dump $_[0]: '$@']"; |
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248 | } |
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249 | |
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250 | =item $ref = cf::from_json $json |
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251 | |
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252 | Converts a JSON string into the corresponding perl data structure. |
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253 | |
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254 | =item $json = cf::to_json $ref |
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255 | |
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256 | Converts a perl data structure into its JSON representation. |
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257 | |
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258 | =cut |
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259 | |
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260 | our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max |
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261 | |
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262 | sub to_json ($) { $json_coder->encode ($_[0]) } |
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263 | sub from_json ($) { $json_coder->decode ($_[0]) } |
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264 | |
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265 | =item cf::lock_wait $string |
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266 | |
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267 | Wait until the given lock is available. See cf::lock_acquire. |
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268 | |
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269 | =item my $lock = cf::lock_acquire $string |
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270 | |
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271 | Wait until the given lock is available and then acquires it and returns |
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272 | a Coro::guard object. If the guard object gets destroyed (goes out of scope, |
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273 | for example when the coroutine gets canceled), the lock is automatically |
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274 | returned. |
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275 | |
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276 | Lock names should begin with a unique identifier (for example, cf::map::find |
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277 | uses map_find and cf::map::load uses map_load). |
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278 | |
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279 | =item $locked = cf::lock_active $string |
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280 | |
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281 | Return true if the lock is currently active, i.e. somebody has locked it. |
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282 | |
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283 | =cut |
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284 | |
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285 | our %LOCK; |
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286 | |
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287 | sub lock_wait($) { |
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288 | my ($key) = @_; |
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289 | |
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290 | # wait for lock, if any |
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291 | while ($LOCK{$key}) { |
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292 | push @{ $LOCK{$key} }, $Coro::current; |
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293 | Coro::schedule; |
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294 | } |
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295 | } |
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296 | |
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297 | sub lock_acquire($) { |
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298 | my ($key) = @_; |
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299 | |
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300 | # wait, to be sure we are not locked |
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301 | lock_wait $key; |
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302 | |
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303 | $LOCK{$key} = []; |
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304 | |
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305 | Coro::guard { |
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306 | # wake up all waiters, to be on the safe side |
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307 | $_->ready for @{ delete $LOCK{$key} }; |
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308 | } |
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309 | } |
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310 | |
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311 | sub lock_active($) { |
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312 | my ($key) = @_; |
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313 | |
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314 | ! ! $LOCK{$key} |
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315 | } |
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316 | |
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317 | sub freeze_mainloop { |
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318 | return unless $TICK_WATCHER->is_active; |
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319 | |
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320 | my $guard = Coro::guard { |
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321 | $TICK_WATCHER->start; |
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322 | }; |
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323 | $TICK_WATCHER->stop; |
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324 | $guard |
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325 | } |
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326 | |
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327 | =item cf::get_slot $time[, $priority] |
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328 | |
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329 | Allocate $time seconds of blocking CPU time at priority C<$priority>: |
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330 | This call blocks and returns only when you have at least C<$time> seconds |
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331 | of cpu time till the next tick. The slot is only valid till the next cede. |
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332 | |
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333 | Useful for short background jobs. |
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334 | |
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335 | =cut |
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336 | |
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337 | our @SLOT_QUEUE; |
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338 | our $SLOT_QUEUE; |
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339 | |
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340 | $SLOT_QUEUE->cancel if $SLOT_QUEUE; |
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341 | $SLOT_QUEUE = Coro::async { |
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342 | my $signal = new Coro::Signal; |
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343 | |
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344 | while () { |
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345 | next_job: |
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346 | my $avail = cf::till_tick; |
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347 | if ($avail > 0.01) { |
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348 | for (0 .. $#SLOT_QUEUE) { |
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349 | if ($SLOT_QUEUE[$_][0] < $avail) { |
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350 | my $job = splice @SLOT_QUEUE, $_, 1, (); |
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351 | $job->[2]->send; |
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352 | Coro::cede; |
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353 | goto next_job; |
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354 | } |
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355 | } |
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356 | } |
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357 | |
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358 | if (@SLOT_QUEUE) { |
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359 | # we do not use wait_For_tick() as it returns immediately when tick is inactive |
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360 | push @cf::WAIT_FOR_TICK, $signal; |
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361 | $signal->wait; |
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362 | } else { |
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363 | Coro::schedule; |
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364 | } |
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365 | } |
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366 | }; |
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367 | |
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368 | sub get_slot($;$) { |
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369 | my ($time, $pri) = @_; |
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370 | |
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371 | push @SLOT_QUEUE, [$time, $pri, my $sig = new Coro::Signal]; |
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372 | @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE; |
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373 | $SLOT_QUEUE->ready; |
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374 | $sig->wait; |
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375 | } |
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376 | |
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377 | =item cf::async { BLOCK } |
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378 | |
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379 | Currently the same as Coro::async_pool, meaning you cannot use |
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380 | C<on_destroy>, C<join> or other gimmicks on these coroutines. The only |
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381 | thing you are allowed to do is call C<prio> on it. |
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382 | |
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383 | =cut |
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384 | |
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385 | BEGIN { *async = \&Coro::async_pool } |
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|
386 | |
|
|
387 | =item cf::sync_job { BLOCK } |
|
|
388 | |
|
|
389 | The design of Crossfire TRT requires that the main coroutine ($Coro::main) |
|
|
390 | is always able to handle events or runnable, as Crossfire TRT is only |
|
|
391 | partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not |
|
|
392 | acceptable. |
|
|
393 | |
|
|
394 | If it must be done, put the blocking parts into C<sync_job>. This will run |
|
|
395 | the given BLOCK in another coroutine while waiting for the result. The |
|
|
396 | server will be frozen during this time, so the block should either finish |
|
|
397 | fast or be very important. |
|
|
398 | |
|
|
399 | =cut |
|
|
400 | |
|
|
401 | sub sync_job(&) { |
|
|
402 | my ($job) = @_; |
|
|
403 | |
|
|
404 | if ($Coro::current == $Coro::main) { |
|
|
405 | my $time = Event::time; |
|
|
406 | |
|
|
407 | # this is the main coro, too bad, we have to block |
|
|
408 | # till the operation succeeds, freezing the server :/ |
|
|
409 | |
|
|
410 | # TODO: use suspend/resume instead |
|
|
411 | # (but this is cancel-safe) |
|
|
412 | my $freeze_guard = freeze_mainloop; |
|
|
413 | |
|
|
414 | my $busy = 1; |
|
|
415 | my @res; |
|
|
416 | |
|
|
417 | (async { |
|
|
418 | @res = eval { $job->() }; |
|
|
419 | warn $@ if $@; |
|
|
420 | undef $busy; |
|
|
421 | })->prio (Coro::PRIO_MAX); |
|
|
422 | |
|
|
423 | while ($busy) { |
|
|
424 | Coro::cede or Event::one_event; |
|
|
425 | } |
|
|
426 | |
|
|
427 | $time = Event::time - $time; |
|
|
428 | |
|
|
429 | LOG llevError | logBacktrace, Carp::longmess "long sync job" |
|
|
430 | if $time > $TICK * 0.5 && $TICK_WATCHER->is_active; |
|
|
431 | |
|
|
432 | $tick_start += $time; # do not account sync jobs to server load |
|
|
433 | |
|
|
434 | wantarray ? @res : $res[0] |
|
|
435 | } else { |
|
|
436 | # we are in another coroutine, how wonderful, everything just works |
|
|
437 | |
|
|
438 | $job->() |
|
|
439 | } |
|
|
440 | } |
|
|
441 | |
|
|
442 | =item $coro = cf::async_ext { BLOCK } |
|
|
443 | |
|
|
444 | Like async, but this coro is automatically being canceled when the |
|
|
445 | extension calling this is being unloaded. |
|
|
446 | |
|
|
447 | =cut |
|
|
448 | |
|
|
449 | sub async_ext(&) { |
|
|
450 | my $cb = shift; |
|
|
451 | |
|
|
452 | my $coro = &Coro::async ($cb); |
|
|
453 | |
|
|
454 | $coro->on_destroy (sub { |
|
|
455 | delete $EXT_CORO{$coro+0}; |
|
|
456 | }); |
|
|
457 | $EXT_CORO{$coro+0} = $coro; |
|
|
458 | |
|
|
459 | $coro |
|
|
460 | } |
|
|
461 | |
|
|
462 | =item fork_call { }, $args |
|
|
463 | |
|
|
464 | Executes the given code block with the given arguments in a seperate |
|
|
465 | process, returning the results. Everything must be serialisable with |
|
|
466 | Coro::Storable. May, of course, block. Note that the executed sub may |
|
|
467 | never block itself or use any form of Event handling. |
|
|
468 | |
|
|
469 | =cut |
|
|
470 | |
|
|
471 | sub _store_scalar { |
|
|
472 | open my $fh, ">", \my $buf |
|
|
473 | or die "fork_call: cannot open fh-to-buf in child : $!"; |
|
|
474 | Storable::store_fd $_[0], $fh; |
|
|
475 | close $fh; |
|
|
476 | |
|
|
477 | $buf |
|
|
478 | } |
|
|
479 | |
|
|
480 | sub fork_call(&@) { |
|
|
481 | my ($cb, @args) = @_; |
|
|
482 | |
|
|
483 | # socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC |
|
|
484 | # or die "socketpair: $!"; |
|
|
485 | pipe my $fh1, my $fh2 |
|
|
486 | or die "pipe: $!"; |
|
|
487 | |
|
|
488 | if (my $pid = fork) { |
|
|
489 | close $fh2; |
|
|
490 | |
|
|
491 | my $res = (Coro::Handle::unblock $fh1)->readline (undef); |
|
|
492 | warn "pst<$res>" unless $res =~ /^pst/; |
|
|
493 | $res = Coro::Storable::thaw $res; |
|
|
494 | |
|
|
495 | waitpid $pid, 0; # should not block anymore, we expect the child to simply behave |
|
|
496 | |
|
|
497 | Carp::confess $$res unless "ARRAY" eq ref $res; |
|
|
498 | |
|
|
499 | return wantarray ? @$res : $res->[-1]; |
|
|
500 | } else { |
|
|
501 | reset_signals; |
|
|
502 | local $SIG{__WARN__}; |
|
|
503 | local $SIG{__DIE__}; |
|
|
504 | # just in case, this hack effectively disables event |
|
|
505 | # in the child. cleaner and slower would be canceling all watchers, |
|
|
506 | # but this works for the time being. |
|
|
507 | local $Coro::idle; |
|
|
508 | $Coro::current->prio (Coro::PRIO_MAX); |
|
|
509 | |
|
|
510 | eval { |
|
|
511 | close $fh1; |
|
|
512 | |
|
|
513 | my @res = eval { $cb->(@args) }; |
|
|
514 | |
|
|
515 | syswrite $fh2, _store_scalar $@ ? \"$@" : \@res; |
|
|
516 | close $fh2; |
|
|
517 | }; |
|
|
518 | |
|
|
519 | warn $@ if $@; |
|
|
520 | _exit 0; |
|
|
521 | } |
|
|
522 | } |
|
|
523 | |
|
|
524 | =item $value = cf::db_get $family => $key |
|
|
525 | |
|
|
526 | Returns a single value from the environment database. |
|
|
527 | |
|
|
528 | =item cf::db_put $family => $key => $value |
|
|
529 | |
|
|
530 | Stores the given C<$value> in the family. It can currently store binary |
|
|
531 | data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary). |
|
|
532 | |
|
|
533 | =cut |
|
|
534 | |
|
|
535 | our $DB; |
|
|
536 | |
|
|
537 | sub db_init { |
|
|
538 | unless ($DB) { |
|
|
539 | $DB = BDB::db_create $DB_ENV; |
|
|
540 | |
|
|
541 | cf::sync_job { |
|
|
542 | eval { |
|
|
543 | $DB->set_flags (BDB::CHKSUM); |
|
|
544 | |
|
|
545 | BDB::db_open $DB, undef, "db", undef, BDB::BTREE, |
|
|
546 | BDB::CREATE | BDB::AUTO_COMMIT, 0666; |
|
|
547 | cf::cleanup "db_open(db): $!" if $!; |
|
|
548 | }; |
|
|
549 | cf::cleanup "db_open(db): $@" if $@; |
|
|
550 | }; |
|
|
551 | } |
|
|
552 | } |
|
|
553 | |
|
|
554 | sub db_get($$) { |
|
|
555 | my $key = "$_[0]/$_[1]"; |
|
|
556 | |
|
|
557 | cf::sync_job { |
|
|
558 | BDB::db_get $DB, undef, $key, my $data; |
|
|
559 | |
|
|
560 | $! ? () |
|
|
561 | : $data |
|
|
562 | } |
|
|
563 | } |
|
|
564 | |
|
|
565 | sub db_put($$$) { |
|
|
566 | BDB::dbreq_pri 4; |
|
|
567 | BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { }; |
|
|
568 | } |
|
|
569 | |
|
|
570 | =item cf::cache $id => [$paths...], $processversion => $process |
|
|
571 | |
|
|
572 | Generic caching function that returns the value of the resource $id, |
|
|
573 | caching and regenerating as required. |
|
|
574 | |
|
|
575 | This function can block. |
|
|
576 | |
|
|
577 | =cut |
|
|
578 | |
|
|
579 | sub cache { |
|
|
580 | my ($id, $src, $processversion, $process) = @_; |
|
|
581 | |
|
|
582 | my $meta = |
|
|
583 | join "\x00", |
|
|
584 | $processversion, |
|
|
585 | map { |
|
|
586 | aio_stat $_ |
|
|
587 | and Carp::croak "$_: $!"; |
|
|
588 | |
|
|
589 | ($_, (stat _)[7,9]) |
|
|
590 | } @$src; |
|
|
591 | |
|
|
592 | my $dbmeta = db_get cache => "$id/meta"; |
|
|
593 | if ($dbmeta ne $meta) { |
|
|
594 | # changed, we may need to process |
|
|
595 | |
|
|
596 | my @data; |
|
|
597 | my $md5; |
|
|
598 | |
|
|
599 | for (0 .. $#$src) { |
|
|
600 | 0 <= aio_load $src->[$_], $data[$_] |
|
|
601 | or Carp::croak "$src->[$_]: $!"; |
|
|
602 | } |
|
|
603 | |
|
|
604 | # if processing is expensive, check |
|
|
605 | # checksum first |
|
|
606 | if (1) { |
|
|
607 | $md5 = |
|
|
608 | join "\x00", |
|
|
609 | $processversion, |
|
|
610 | map { |
|
|
611 | Coro::cede; |
|
|
612 | ($src->[$_], Digest::MD5::md5_hex $data[$_]) |
|
|
613 | } 0.. $#$src; |
|
|
614 | |
|
|
615 | |
|
|
616 | my $dbmd5 = db_get cache => "$id/md5"; |
|
|
617 | if ($dbmd5 eq $md5) { |
|
|
618 | db_put cache => "$id/meta", $meta; |
|
|
619 | |
|
|
620 | return db_get cache => "$id/data"; |
|
|
621 | } |
|
|
622 | } |
|
|
623 | |
|
|
624 | my $t1 = Time::HiRes::time; |
|
|
625 | my $data = $process->(\@data); |
|
|
626 | my $t2 = Time::HiRes::time; |
|
|
627 | |
|
|
628 | warn "cache: '$id' processed in ", $t2 - $t1, "s\n"; |
|
|
629 | |
|
|
630 | db_put cache => "$id/data", $data; |
|
|
631 | db_put cache => "$id/md5" , $md5; |
|
|
632 | db_put cache => "$id/meta", $meta; |
|
|
633 | |
|
|
634 | return $data; |
|
|
635 | } |
|
|
636 | |
|
|
637 | db_get cache => "$id/data" |
|
|
638 | } |
|
|
639 | |
|
|
640 | =item cf::datalog type => key => value, ... |
|
|
641 | |
|
|
642 | Log a datalog packet of the given type with the given key-value pairs. |
|
|
643 | |
|
|
644 | =cut |
|
|
645 | |
|
|
646 | sub datalog($@) { |
|
|
647 | my ($type, %kv) = @_; |
|
|
648 | warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type }); |
|
|
649 | } |
|
|
650 | |
|
|
651 | =back |
|
|
652 | |
|
|
653 | =cut |
|
|
654 | |
|
|
655 | ############################################################################# |
|
|
656 | |
|
|
657 | =head2 ATTACHABLE OBJECTS |
|
|
658 | |
|
|
659 | Many objects in crossfire are so-called attachable objects. That means you can |
|
|
660 | attach callbacks/event handlers (a collection of which is called an "attachment") |
|
|
661 | to it. All such attachable objects support the following methods. |
|
|
662 | |
|
|
663 | In the following description, CLASS can be any of C<global>, C<object> |
|
|
664 | C<player>, C<client> or C<map> (i.e. the attachable objects in |
|
|
665 | Crossfire TRT). |
|
|
666 | |
|
|
667 | =over 4 |
|
|
668 | |
|
|
669 | =item $attachable->attach ($attachment, key => $value...) |
|
|
670 | |
|
|
671 | =item $attachable->detach ($attachment) |
|
|
672 | |
|
|
673 | Attach/detach a pre-registered attachment to a specific object and give it |
|
|
674 | the specified key/value pairs as arguments. |
|
|
675 | |
|
|
676 | Example, attach a minesweeper attachment to the given object, making it a |
|
|
677 | 10x10 minesweeper game: |
|
|
678 | |
|
|
679 | $obj->attach (minesweeper => width => 10, height => 10); |
|
|
680 | |
|
|
681 | =item $bool = $attachable->attached ($name) |
|
|
682 | |
|
|
683 | Checks wether the named attachment is currently attached to the object. |
|
|
684 | |
|
|
685 | =item cf::CLASS->attach ... |
|
|
686 | |
|
|
687 | =item cf::CLASS->detach ... |
|
|
688 | |
|
|
689 | Define an anonymous attachment and attach it to all objects of the given |
|
|
690 | CLASS. See the next function for an explanation of its arguments. |
|
|
691 | |
|
|
692 | You can attach to global events by using the C<cf::global> class. |
|
|
693 | |
|
|
694 | Example, log all player logins: |
|
|
695 | |
|
|
696 | cf::player->attach ( |
|
|
697 | on_login => sub { |
|
|
698 | my ($pl) = @_; |
|
|
699 | ... |
|
|
700 | }, |
|
|
701 | ); |
|
|
702 | |
|
|
703 | Example, attach to the jeweler skill: |
|
|
704 | |
|
|
705 | cf::object->attach ( |
|
|
706 | type => cf::SKILL, |
|
|
707 | subtype => cf::SK_JEWELER, |
|
|
708 | on_use_skill => sub { |
|
|
709 | my ($sk, $ob, $part, $dir, $msg) = @_; |
|
|
710 | ... |
|
|
711 | }, |
|
|
712 | ); |
|
|
713 | |
|
|
714 | =item cf::CLASS::attachment $name, ... |
|
|
715 | |
|
|
716 | Register an attachment by C<$name> through which attachable objects of the |
|
|
717 | given CLASS can refer to this attachment. |
|
|
718 | |
|
|
719 | Some classes such as crossfire maps and objects can specify attachments |
|
|
720 | that are attached at load/instantiate time, thus the need for a name. |
|
|
721 | |
|
|
722 | These calls expect any number of the following handler/hook descriptions: |
|
|
723 | |
|
|
724 | =over 4 |
|
|
725 | |
|
|
726 | =item prio => $number |
|
|
727 | |
|
|
728 | Set the priority for all following handlers/hooks (unless overwritten |
|
|
729 | by another C<prio> setting). Lower priority handlers get executed |
|
|
730 | earlier. The default priority is C<0>, and many built-in handlers are |
|
|
731 | registered at priority C<-1000>, so lower priorities should not be used |
|
|
732 | unless you know what you are doing. |
|
|
733 | |
|
|
734 | =item type => $type |
|
|
735 | |
|
|
736 | (Only for C<< cf::object->attach >> calls), limits the attachment to the |
|
|
737 | given type of objects only (the additional parameter C<subtype> can be |
|
|
738 | used to further limit to the given subtype). |
|
|
739 | |
|
|
740 | =item on_I<event> => \&cb |
|
|
741 | |
|
|
742 | Call the given code reference whenever the named event happens (event is |
|
|
743 | something like C<instantiate>, C<apply>, C<use_skill> and so on, and which |
|
|
744 | handlers are recognised generally depends on the type of object these |
|
|
745 | handlers attach to). |
|
|
746 | |
|
|
747 | See F<include/eventinc.h> for the full list of events supported, and their |
|
|
748 | class. |
|
|
749 | |
|
|
750 | =item package => package:: |
|
|
751 | |
|
|
752 | Look for sub functions of the name C<< on_I<event> >> in the given |
|
|
753 | package and register them. Only handlers for eevents supported by the |
|
|
754 | object/class are recognised. |
|
|
755 | |
|
|
756 | =back |
|
|
757 | |
|
|
758 | Example, define an attachment called "sockpuppet" that calls the given |
|
|
759 | event handler when a monster attacks: |
|
|
760 | |
|
|
761 | cf::object::attachment sockpuppet => |
|
|
762 | on_skill_attack => sub { |
|
|
763 | my ($self, $victim) = @_; |
|
|
764 | ... |
|
|
765 | } |
|
|
766 | } |
|
|
767 | |
|
|
768 | =item $attachable->valid |
|
|
769 | |
|
|
770 | Just because you have a perl object does not mean that the corresponding |
|
|
771 | C-level object still exists. If you try to access an object that has no |
|
|
772 | valid C counterpart anymore you get an exception at runtime. This method |
|
|
773 | can be used to test for existence of the C object part without causing an |
|
|
774 | exception. |
|
|
775 | |
|
|
776 | =cut |
|
|
777 | |
|
|
778 | # the following variables are defined in .xs and must not be re-created |
|
|
779 | our @CB_GLOBAL = (); # registry for all global events |
|
|
780 | our @CB_ATTACHABLE = (); # registry for all attachables |
|
|
781 | our @CB_OBJECT = (); # all objects (should not be used except in emergency) |
|
|
782 | our @CB_PLAYER = (); |
|
|
783 | our @CB_CLIENT = (); |
|
|
784 | our @CB_TYPE = (); # registry for type (cf-object class) based events |
|
|
785 | our @CB_MAP = (); |
|
|
786 | |
|
|
787 | my %attachment; |
|
|
788 | |
|
|
789 | sub cf::attachable::thawer_merge { |
|
|
790 | # simply override everything except _meta |
|
|
791 | local $_[0]{_meta}; |
|
|
792 | %{$_[0]} = %{$_[1]}; |
|
|
793 | } |
|
|
794 | |
|
|
795 | sub _attach_cb($$$$) { |
|
|
796 | my ($registry, $event, $prio, $cb) = @_; |
|
|
797 | |
|
|
798 | use sort 'stable'; |
|
|
799 | |
|
|
800 | $cb = [$prio, $cb]; |
|
|
801 | |
|
|
802 | @{$registry->[$event]} = sort |
|
|
803 | { $a->[0] cmp $b->[0] } |
|
|
804 | @{$registry->[$event] || []}, $cb; |
|
|
805 | } |
|
|
806 | |
|
|
807 | # hack |
|
|
808 | my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP; |
|
|
809 | |
|
|
810 | # attach handles attaching event callbacks |
|
|
811 | # the only thing the caller has to do is pass the correct |
|
|
812 | # registry (== where the callback attaches to). |
|
|
813 | sub _attach { |
|
|
814 | my ($registry, $klass, @arg) = @_; |
|
|
815 | |
|
|
816 | my $object_type; |
|
|
817 | my $prio = 0; |
|
|
818 | my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT; |
|
|
819 | |
|
|
820 | #TODO: get rid of this hack |
|
|
821 | if ($attachable_klass{$klass}) { |
|
|
822 | %cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT); |
|
|
823 | } |
|
|
824 | |
|
|
825 | while (@arg) { |
|
|
826 | my $type = shift @arg; |
|
|
827 | |
|
|
828 | if ($type eq "prio") { |
|
|
829 | $prio = shift @arg; |
|
|
830 | |
|
|
831 | } elsif ($type eq "type") { |
|
|
832 | $object_type = shift @arg; |
|
|
833 | $registry = $CB_TYPE[$object_type] ||= []; |
|
|
834 | |
|
|
835 | } elsif ($type eq "subtype") { |
|
|
836 | defined $object_type or Carp::croak "subtype specified without type"; |
|
|
837 | my $object_subtype = shift @arg; |
|
|
838 | $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= []; |
|
|
839 | |
|
|
840 | } elsif ($type eq "package") { |
|
|
841 | my $pkg = shift @arg; |
|
|
842 | |
|
|
843 | while (my ($name, $id) = each %cb_id) { |
|
|
844 | if (my $cb = $pkg->can ($name)) { |
|
|
845 | _attach_cb $registry, $id, $prio, $cb; |
|
|
846 | } |
|
|
847 | } |
|
|
848 | |
|
|
849 | } elsif (exists $cb_id{$type}) { |
|
|
850 | _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; |
|
|
851 | |
|
|
852 | } elsif (ref $type) { |
|
|
853 | warn "attaching objects not supported, ignoring.\n"; |
|
|
854 | |
|
|
855 | } else { |
|
|
856 | shift @arg; |
|
|
857 | warn "attach argument '$type' not supported, ignoring.\n"; |
|
|
858 | } |
|
|
859 | } |
|
|
860 | } |
|
|
861 | |
|
|
862 | sub _object_attach { |
|
|
863 | my ($obj, $name, %arg) = @_; |
|
|
864 | |
|
|
865 | return if exists $obj->{_attachment}{$name}; |
|
|
866 | |
|
|
867 | if (my $attach = $attachment{$name}) { |
|
|
868 | my $registry = $obj->registry; |
|
|
869 | |
|
|
870 | for (@$attach) { |
|
|
871 | my ($klass, @attach) = @$_; |
|
|
872 | _attach $registry, $klass, @attach; |
|
|
873 | } |
|
|
874 | |
|
|
875 | $obj->{$name} = \%arg; |
|
|
876 | } else { |
|
|
877 | warn "object uses attachment '$name' which is not available, postponing.\n"; |
|
|
878 | } |
|
|
879 | |
|
|
880 | $obj->{_attachment}{$name} = undef; |
|
|
881 | } |
|
|
882 | |
|
|
883 | sub cf::attachable::attach { |
|
|
884 | if (ref $_[0]) { |
|
|
885 | _object_attach @_; |
|
|
886 | } else { |
|
|
887 | _attach shift->_attach_registry, @_; |
|
|
888 | } |
|
|
889 | _recalc_want; |
|
|
890 | }; |
|
|
891 | |
|
|
892 | # all those should be optimised |
|
|
893 | sub cf::attachable::detach { |
|
|
894 | my ($obj, $name) = @_; |
|
|
895 | |
|
|
896 | if (ref $obj) { |
|
|
897 | delete $obj->{_attachment}{$name}; |
|
|
898 | reattach ($obj); |
|
|
899 | } else { |
|
|
900 | Carp::croak "cannot, currently, detach class attachments"; |
|
|
901 | } |
|
|
902 | _recalc_want; |
|
|
903 | }; |
|
|
904 | |
|
|
905 | sub cf::attachable::attached { |
|
|
906 | my ($obj, $name) = @_; |
|
|
907 | |
|
|
908 | exists $obj->{_attachment}{$name} |
|
|
909 | } |
|
|
910 | |
|
|
911 | for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) { |
|
|
912 | eval "#line " . __LINE__ . " 'cf.pm' |
|
|
913 | sub cf::\L$klass\E::_attach_registry { |
|
|
914 | (\\\@CB_$klass, KLASS_$klass) |
|
|
915 | } |
|
|
916 | |
|
|
917 | sub cf::\L$klass\E::attachment { |
|
|
918 | my \$name = shift; |
|
|
919 | |
|
|
920 | \$attachment{\$name} = [[KLASS_$klass, \@_]]; |
|
|
921 | } |
|
|
922 | "; |
|
|
923 | die if $@; |
|
|
924 | } |
|
|
925 | |
|
|
926 | our $override; |
|
|
927 | our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals? |
|
|
928 | |
|
|
929 | sub override { |
|
|
930 | $override = 1; |
|
|
931 | @INVOKE_RESULTS = (@_); |
|
|
932 | } |
|
|
933 | |
|
|
934 | sub do_invoke { |
92 | my $event_code = shift; |
935 | my $event = shift; |
|
|
936 | my $callbacks = shift; |
93 | |
937 | |
94 | my $cb = $hook[$event_code]{$extension} |
938 | @INVOKE_RESULTS = (); |
|
|
939 | |
|
|
940 | local $override; |
|
|
941 | |
|
|
942 | for (@$callbacks) { |
|
|
943 | eval { &{$_->[1]} }; |
|
|
944 | |
|
|
945 | if ($@) { |
|
|
946 | warn "$@"; |
|
|
947 | warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; |
|
|
948 | override; |
|
|
949 | } |
|
|
950 | |
|
|
951 | return 1 if $override; |
|
|
952 | } |
|
|
953 | |
|
|
954 | 0 |
|
|
955 | } |
|
|
956 | |
|
|
957 | =item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) |
|
|
958 | |
|
|
959 | =item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) |
|
|
960 | |
|
|
961 | Generate an object-specific event with the given arguments. |
|
|
962 | |
|
|
963 | This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be |
|
|
964 | removed in future versions), and there is no public API to access override |
|
|
965 | results (if you must, access C<@cf::INVOKE_RESULTS> directly). |
|
|
966 | |
|
|
967 | =back |
|
|
968 | |
|
|
969 | =cut |
|
|
970 | |
|
|
971 | ############################################################################# |
|
|
972 | # object support |
|
|
973 | # |
|
|
974 | |
|
|
975 | sub _can_merge { |
|
|
976 | my ($ob1, $ob2) = @_; |
|
|
977 | |
|
|
978 | local $Storable::canonical = 1; |
|
|
979 | my $fob1 = Storable::freeze $ob1; |
|
|
980 | my $fob2 = Storable::freeze $ob2; |
|
|
981 | |
|
|
982 | $fob1 eq $fob2 |
|
|
983 | } |
|
|
984 | |
|
|
985 | sub reattach { |
|
|
986 | # basically do the same as instantiate, without calling instantiate |
|
|
987 | my ($obj) = @_; |
|
|
988 | |
|
|
989 | bless $obj, ref $obj; # re-bless in case extensions have been reloaded |
|
|
990 | |
|
|
991 | my $registry = $obj->registry; |
|
|
992 | |
|
|
993 | @$registry = (); |
|
|
994 | |
|
|
995 | delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} }; |
|
|
996 | |
|
|
997 | for my $name (keys %{ $obj->{_attachment} || {} }) { |
|
|
998 | if (my $attach = $attachment{$name}) { |
|
|
999 | for (@$attach) { |
|
|
1000 | my ($klass, @attach) = @$_; |
|
|
1001 | _attach $registry, $klass, @attach; |
|
|
1002 | } |
|
|
1003 | } else { |
|
|
1004 | warn "object uses attachment '$name' that is not available, postponing.\n"; |
|
|
1005 | } |
|
|
1006 | } |
|
|
1007 | } |
|
|
1008 | |
|
|
1009 | cf::attachable->attach ( |
|
|
1010 | prio => -1000000, |
|
|
1011 | on_instantiate => sub { |
|
|
1012 | my ($obj, $data) = @_; |
|
|
1013 | |
|
|
1014 | $data = from_json $data; |
|
|
1015 | |
|
|
1016 | for (@$data) { |
|
|
1017 | my ($name, $args) = @$_; |
|
|
1018 | |
|
|
1019 | $obj->attach ($name, %{$args || {} }); |
|
|
1020 | } |
|
|
1021 | }, |
|
|
1022 | on_reattach => \&reattach, |
|
|
1023 | on_clone => sub { |
|
|
1024 | my ($src, $dst) = @_; |
|
|
1025 | |
|
|
1026 | @{$dst->registry} = @{$src->registry}; |
|
|
1027 | |
|
|
1028 | %$dst = %$src; |
|
|
1029 | |
|
|
1030 | %{$dst->{_attachment}} = %{$src->{_attachment}} |
|
|
1031 | if exists $src->{_attachment}; |
|
|
1032 | }, |
|
|
1033 | ); |
|
|
1034 | |
|
|
1035 | sub object_freezer_save { |
|
|
1036 | my ($filename, $rdata, $objs) = @_; |
|
|
1037 | |
|
|
1038 | sync_job { |
|
|
1039 | if (length $$rdata) { |
|
|
1040 | warn sprintf "saving %s (%d,%d)\n", |
|
|
1041 | $filename, length $$rdata, scalar @$objs; |
|
|
1042 | |
|
|
1043 | if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { |
|
|
1044 | chmod SAVE_MODE, $fh; |
|
|
1045 | aio_write $fh, 0, (length $$rdata), $$rdata, 0; |
|
|
1046 | aio_fsync $fh if $cf::USE_FSYNC; |
|
|
1047 | close $fh; |
|
|
1048 | |
|
|
1049 | if (@$objs) { |
|
|
1050 | if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { |
|
|
1051 | chmod SAVE_MODE, $fh; |
|
|
1052 | my $data = Storable::nfreeze { version => 1, objs => $objs }; |
|
|
1053 | aio_write $fh, 0, (length $data), $data, 0; |
|
|
1054 | aio_fsync $fh if $cf::USE_FSYNC; |
|
|
1055 | close $fh; |
|
|
1056 | aio_rename "$filename.pst~", "$filename.pst"; |
|
|
1057 | } |
|
|
1058 | } else { |
|
|
1059 | aio_unlink "$filename.pst"; |
|
|
1060 | } |
|
|
1061 | |
|
|
1062 | aio_rename "$filename~", $filename; |
|
|
1063 | } else { |
|
|
1064 | warn "FATAL: $filename~: $!\n"; |
|
|
1065 | } |
|
|
1066 | } else { |
|
|
1067 | aio_unlink $filename; |
|
|
1068 | aio_unlink "$filename.pst"; |
|
|
1069 | } |
|
|
1070 | } |
|
|
1071 | } |
|
|
1072 | |
|
|
1073 | sub object_freezer_as_string { |
|
|
1074 | my ($rdata, $objs) = @_; |
|
|
1075 | |
|
|
1076 | use Data::Dumper; |
|
|
1077 | |
|
|
1078 | $$rdata . Dumper $objs |
|
|
1079 | } |
|
|
1080 | |
|
|
1081 | sub object_thawer_load { |
|
|
1082 | my ($filename) = @_; |
|
|
1083 | |
|
|
1084 | my ($data, $av); |
|
|
1085 | |
|
|
1086 | (aio_load $filename, $data) >= 0 |
95 | or return; |
1087 | or return; |
96 | |
1088 | |
97 | &$cb |
1089 | unless (aio_stat "$filename.pst") { |
98 | } |
1090 | (aio_load "$filename.pst", $av) >= 0 |
99 | |
|
|
100 | sub inject_global_event { |
|
|
101 | my $event = shift; |
|
|
102 | |
|
|
103 | my $cb = $hook[$event] |
|
|
104 | or return; |
1091 | or return; |
105 | |
1092 | $av = eval { (Storable::thaw $av)->{objs} }; |
106 | List::Util::max map &$_, values %$cb |
|
|
107 | } |
|
|
108 | |
|
|
109 | sub inject_command { |
|
|
110 | my ($name, $obj, $params) = @_; |
|
|
111 | |
|
|
112 | for my $cmd (@{ $command{$name} }) { |
|
|
113 | $cmd->[1]->($obj, $params); |
|
|
114 | } |
1093 | } |
115 | |
1094 | |
116 | -1 |
1095 | warn sprintf "loading %s (%d)\n", |
|
|
1096 | $filename, length $data, scalar @{$av || []}; |
|
|
1097 | return ($data, $av); |
117 | } |
1098 | } |
|
|
1099 | |
|
|
1100 | =head2 COMMAND CALLBACKS |
|
|
1101 | |
|
|
1102 | =over 4 |
|
|
1103 | |
|
|
1104 | =cut |
|
|
1105 | |
|
|
1106 | ############################################################################# |
|
|
1107 | # command handling &c |
|
|
1108 | |
|
|
1109 | =item cf::register_command $name => \&callback($ob,$args); |
|
|
1110 | |
|
|
1111 | Register a callback for execution when the client sends the user command |
|
|
1112 | $name. |
|
|
1113 | |
|
|
1114 | =cut |
118 | |
1115 | |
119 | sub register_command { |
1116 | sub register_command { |
120 | my ($name, $time, $cb) = @_; |
1117 | my ($name, $cb) = @_; |
121 | |
1118 | |
122 | my $caller = caller; |
1119 | my $caller = caller; |
123 | #warn "registering command '$name/$time' to '$caller'"; |
1120 | #warn "registering command '$name/$time' to '$caller'"; |
124 | |
1121 | |
125 | push @{ $command{$name} }, [$time, $cb, $caller]; |
1122 | push @{ $COMMAND{$name} }, [$caller, $cb]; |
126 | $COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} }; |
|
|
127 | } |
1123 | } |
|
|
1124 | |
|
|
1125 | =item cf::register_extcmd $name => \&callback($pl,$packet); |
|
|
1126 | |
|
|
1127 | Register a callback for execution when the client sends an (synchronous) |
|
|
1128 | extcmd packet. Ext commands will be processed in the order they are |
|
|
1129 | received by the server, like other user commands. The first argument is |
|
|
1130 | the logged-in player. Ext commands can only be processed after a player |
|
|
1131 | has logged in successfully. |
|
|
1132 | |
|
|
1133 | If the callback returns something, it is sent back as if reply was being |
|
|
1134 | called. |
|
|
1135 | |
|
|
1136 | =item cf::register_exticmd $name => \&callback($ns,$packet); |
|
|
1137 | |
|
|
1138 | Register a callback for execution when the client sends an (asynchronous) |
|
|
1139 | exticmd packet. Exti commands are processed by the server as soon as they |
|
|
1140 | are received, i.e. out of order w.r.t. other commands. The first argument |
|
|
1141 | is a client socket. Exti commands can be received anytime, even before |
|
|
1142 | log-in. |
|
|
1143 | |
|
|
1144 | If the callback returns something, it is sent back as if reply was being |
|
|
1145 | called. |
|
|
1146 | |
|
|
1147 | =cut |
128 | |
1148 | |
129 | sub register_extcmd { |
1149 | sub register_extcmd { |
130 | my ($name, $cb) = @_; |
1150 | my ($name, $cb) = @_; |
131 | |
1151 | |
132 | my $caller = caller; |
1152 | $EXTCMD{$name} = $cb; |
133 | #warn "registering extcmd '$name' to '$caller'"; |
|
|
134 | |
|
|
135 | $extcmd{$name} = [$cb, $caller]; |
|
|
136 | } |
1153 | } |
|
|
1154 | |
|
|
1155 | sub register_exticmd { |
|
|
1156 | my ($name, $cb) = @_; |
|
|
1157 | |
|
|
1158 | $EXTICMD{$name} = $cb; |
|
|
1159 | } |
|
|
1160 | |
|
|
1161 | cf::player->attach ( |
|
|
1162 | on_command => sub { |
|
|
1163 | my ($pl, $name, $params) = @_; |
|
|
1164 | |
|
|
1165 | my $cb = $COMMAND{$name} |
|
|
1166 | or return; |
|
|
1167 | |
|
|
1168 | for my $cmd (@$cb) { |
|
|
1169 | $cmd->[1]->($pl->ob, $params); |
|
|
1170 | } |
|
|
1171 | |
|
|
1172 | cf::override; |
|
|
1173 | }, |
|
|
1174 | on_extcmd => sub { |
|
|
1175 | my ($pl, $buf) = @_; |
|
|
1176 | |
|
|
1177 | my $msg = eval { $pl->ns->{json_coder}->decode ($buf) }; |
|
|
1178 | |
|
|
1179 | if (ref $msg) { |
|
|
1180 | if (my $cb = $EXTCMD{$msg->{msgtype}}) { |
|
|
1181 | if (my %reply = $cb->($pl, $msg)) { |
|
|
1182 | $pl->ext_reply ($msg->{msgid}, %reply); |
|
|
1183 | } |
|
|
1184 | } |
|
|
1185 | } else { |
|
|
1186 | warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; |
|
|
1187 | } |
|
|
1188 | |
|
|
1189 | cf::override; |
|
|
1190 | }, |
|
|
1191 | ); |
|
|
1192 | |
|
|
1193 | sub load_extensions { |
|
|
1194 | cf::sync_job { |
|
|
1195 | my %todo; |
|
|
1196 | |
|
|
1197 | for my $path (<$LIBDIR/*.ext>) { |
|
|
1198 | next unless -r $path; |
|
|
1199 | |
|
|
1200 | $path =~ /([^\/\\]+)\.ext$/ or die "$path"; |
|
|
1201 | my $base = $1; |
|
|
1202 | my $pkg = $1; |
|
|
1203 | $pkg =~ s/[^[:word:]]/_/g; |
|
|
1204 | $pkg = "ext::$pkg"; |
|
|
1205 | |
|
|
1206 | open my $fh, "<:utf8", $path |
|
|
1207 | or die "$path: $!"; |
|
|
1208 | |
|
|
1209 | my $source = do { local $/; <$fh> }; |
|
|
1210 | |
|
|
1211 | my %ext = ( |
|
|
1212 | path => $path, |
|
|
1213 | base => $base, |
|
|
1214 | pkg => $pkg, |
|
|
1215 | ); |
|
|
1216 | |
|
|
1217 | $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } |
|
|
1218 | if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; |
|
|
1219 | |
|
|
1220 | $ext{source} = |
|
|
1221 | "package $pkg; use strict; use utf8;\n" |
|
|
1222 | . "#line 1 \"$path\"\n{\n" |
|
|
1223 | . $source |
|
|
1224 | . "\n};\n1"; |
|
|
1225 | |
|
|
1226 | $todo{$base} = \%ext; |
|
|
1227 | } |
|
|
1228 | |
|
|
1229 | my %done; |
|
|
1230 | while (%todo) { |
|
|
1231 | my $progress; |
|
|
1232 | |
|
|
1233 | while (my ($k, $v) = each %todo) { |
|
|
1234 | for (split /,\s*/, $v->{meta}{depends}) { |
|
|
1235 | goto skip |
|
|
1236 | unless exists $done{$_}; |
|
|
1237 | } |
|
|
1238 | |
|
|
1239 | warn "... loading '$k' into '$v->{pkg}'\n"; |
|
|
1240 | |
|
|
1241 | unless (eval $v->{source}) { |
|
|
1242 | my $msg = $@ ? "$v->{path}: $@\n" |
|
|
1243 | : "$v->{base}: extension inactive.\n"; |
|
|
1244 | |
|
|
1245 | if (exists $v->{meta}{mandatory}) { |
|
|
1246 | warn $msg; |
|
|
1247 | warn "mandatory extension failed to load, exiting.\n"; |
|
|
1248 | exit 1; |
|
|
1249 | } |
|
|
1250 | |
|
|
1251 | warn $msg; |
|
|
1252 | } |
|
|
1253 | |
|
|
1254 | $done{$k} = delete $todo{$k}; |
|
|
1255 | push @EXTS, $v->{pkg}; |
|
|
1256 | $progress = 1; |
|
|
1257 | } |
|
|
1258 | |
|
|
1259 | skip: |
|
|
1260 | die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n" |
|
|
1261 | unless $progress; |
|
|
1262 | } |
|
|
1263 | }; |
|
|
1264 | } |
|
|
1265 | |
|
|
1266 | ############################################################################# |
|
|
1267 | |
|
|
1268 | =back |
|
|
1269 | |
|
|
1270 | =head2 CORE EXTENSIONS |
|
|
1271 | |
|
|
1272 | Functions and methods that extend core crossfire objects. |
|
|
1273 | |
|
|
1274 | =cut |
|
|
1275 | |
|
|
1276 | package cf::player; |
|
|
1277 | |
|
|
1278 | use Coro::AIO; |
|
|
1279 | |
|
|
1280 | =head3 cf::player |
|
|
1281 | |
|
|
1282 | =over 4 |
|
|
1283 | |
|
|
1284 | =item cf::player::find $login |
|
|
1285 | |
|
|
1286 | Returns the given player object, loading it if necessary (might block). |
|
|
1287 | |
|
|
1288 | =cut |
|
|
1289 | |
|
|
1290 | sub playerdir($) { |
|
|
1291 | "$PLAYERDIR/" |
|
|
1292 | . (ref $_[0] ? $_[0]->ob->name : $_[0]) |
|
|
1293 | } |
|
|
1294 | |
|
|
1295 | sub path($) { |
|
|
1296 | my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; |
|
|
1297 | |
|
|
1298 | (playerdir $login) . "/playerdata" |
|
|
1299 | } |
|
|
1300 | |
|
|
1301 | sub find_active($) { |
|
|
1302 | $cf::PLAYER{$_[0]} |
|
|
1303 | and $cf::PLAYER{$_[0]}->active |
|
|
1304 | and $cf::PLAYER{$_[0]} |
|
|
1305 | } |
|
|
1306 | |
|
|
1307 | sub exists($) { |
|
|
1308 | my ($login) = @_; |
|
|
1309 | |
|
|
1310 | $cf::PLAYER{$login} |
|
|
1311 | or cf::sync_job { !aio_stat path $login } |
|
|
1312 | } |
|
|
1313 | |
|
|
1314 | sub find($) { |
|
|
1315 | return $cf::PLAYER{$_[0]} || do { |
|
|
1316 | my $login = $_[0]; |
|
|
1317 | |
|
|
1318 | my $guard = cf::lock_acquire "user_find:$login"; |
|
|
1319 | |
|
|
1320 | $cf::PLAYER{$_[0]} || do { |
|
|
1321 | # rename old playerfiles to new ones |
|
|
1322 | #TODO: remove when no longer required |
|
|
1323 | aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; |
|
|
1324 | aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; |
|
|
1325 | aio_unlink +(playerdir $login) . "/$login.pl.pst"; |
|
|
1326 | aio_unlink +(playerdir $login) . "/$login.pl"; |
|
|
1327 | |
|
|
1328 | my $pl = load_pl path $login |
|
|
1329 | or return; |
|
|
1330 | $cf::PLAYER{$login} = $pl |
|
|
1331 | } |
|
|
1332 | } |
|
|
1333 | } |
|
|
1334 | |
|
|
1335 | sub save($) { |
|
|
1336 | my ($pl) = @_; |
|
|
1337 | |
|
|
1338 | return if $pl->{deny_save}; |
|
|
1339 | |
|
|
1340 | my $path = path $pl; |
|
|
1341 | my $guard = cf::lock_acquire "user_save:$path"; |
|
|
1342 | |
|
|
1343 | return if $pl->{deny_save}; |
|
|
1344 | |
|
|
1345 | aio_mkdir playerdir $pl, 0770; |
|
|
1346 | $pl->{last_save} = $cf::RUNTIME; |
|
|
1347 | |
|
|
1348 | $pl->save_pl ($path); |
|
|
1349 | Coro::cede; |
|
|
1350 | } |
|
|
1351 | |
|
|
1352 | sub new($) { |
|
|
1353 | my ($login) = @_; |
|
|
1354 | |
|
|
1355 | my $self = create; |
|
|
1356 | |
|
|
1357 | $self->ob->name ($login); |
|
|
1358 | $self->{deny_save} = 1; |
|
|
1359 | |
|
|
1360 | $cf::PLAYER{$login} = $self; |
|
|
1361 | |
|
|
1362 | $self |
|
|
1363 | } |
|
|
1364 | |
|
|
1365 | =item $pl->quit_character |
|
|
1366 | |
|
|
1367 | Nukes the player without looking back. If logged in, the connection will |
|
|
1368 | be destroyed. May block for a long time. |
|
|
1369 | |
|
|
1370 | =cut |
|
|
1371 | |
|
|
1372 | sub quit_character { |
|
|
1373 | my ($pl) = @_; |
|
|
1374 | |
|
|
1375 | my $name = $pl->ob->name; |
|
|
1376 | |
|
|
1377 | $pl->{deny_save} = 1; |
|
|
1378 | $pl->password ("*"); # this should lock out the player until we nuked the dir |
|
|
1379 | |
|
|
1380 | $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; |
|
|
1381 | $pl->deactivate; |
|
|
1382 | $pl->invoke (cf::EVENT_PLAYER_QUIT); |
|
|
1383 | $pl->ns->destroy if $pl->ns; |
|
|
1384 | |
|
|
1385 | my $path = playerdir $pl; |
|
|
1386 | my $temp = "$path~$cf::RUNTIME~deleting~"; |
|
|
1387 | aio_rename $path, $temp; |
|
|
1388 | delete $cf::PLAYER{$pl->ob->name}; |
|
|
1389 | $pl->destroy; |
|
|
1390 | |
|
|
1391 | my $prefix = qr<^~\Q$name\E/>; |
|
|
1392 | |
|
|
1393 | # nuke player maps |
|
|
1394 | $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP; |
|
|
1395 | |
|
|
1396 | IO::AIO::aio_rmtree $temp; |
|
|
1397 | } |
|
|
1398 | |
|
|
1399 | =item $pl->kick |
|
|
1400 | |
|
|
1401 | Kicks a player out of the game. This destroys the connection. |
|
|
1402 | |
|
|
1403 | =cut |
|
|
1404 | |
|
|
1405 | sub kick { |
|
|
1406 | my ($pl, $kicker) = @_; |
|
|
1407 | |
|
|
1408 | $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker); |
|
|
1409 | $pl->killer ("kicked"); |
|
|
1410 | $pl->ns->destroy; |
|
|
1411 | } |
|
|
1412 | |
|
|
1413 | =item cf::player::list_logins |
|
|
1414 | |
|
|
1415 | Returns am arrayref of all valid playernames in the system, can take a |
|
|
1416 | while and may block, so not sync_job-capable, ever. |
|
|
1417 | |
|
|
1418 | =cut |
|
|
1419 | |
|
|
1420 | sub list_logins { |
|
|
1421 | my $dirs = aio_readdir $PLAYERDIR |
|
|
1422 | or return []; |
|
|
1423 | |
|
|
1424 | my @logins; |
|
|
1425 | |
|
|
1426 | for my $login (@$dirs) { |
|
|
1427 | my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; |
|
|
1428 | aio_read $fh, 0, 512, my $buf, 0 or next; |
|
|
1429 | $buf !~ /^password -------------$/m or next; # official not-valid tag |
|
|
1430 | |
|
|
1431 | utf8::decode $login; |
|
|
1432 | push @logins, $login; |
|
|
1433 | } |
|
|
1434 | |
|
|
1435 | \@logins |
|
|
1436 | } |
|
|
1437 | |
|
|
1438 | =item $player->maps |
|
|
1439 | |
|
|
1440 | Returns an arrayref of map paths that are private for this |
|
|
1441 | player. May block. |
|
|
1442 | |
|
|
1443 | =cut |
|
|
1444 | |
|
|
1445 | sub maps($) { |
|
|
1446 | my ($pl) = @_; |
|
|
1447 | |
|
|
1448 | $pl = ref $pl ? $pl->ob->name : $pl; |
|
|
1449 | |
|
|
1450 | my $files = aio_readdir playerdir $pl |
|
|
1451 | or return; |
|
|
1452 | |
|
|
1453 | my @paths; |
|
|
1454 | |
|
|
1455 | for (@$files) { |
|
|
1456 | utf8::decode $_; |
|
|
1457 | next if /\.(?:pl|pst)$/; |
|
|
1458 | next unless /^$PATH_SEP/o; |
|
|
1459 | |
|
|
1460 | push @paths, cf::map::normalise "~$pl/$_"; |
|
|
1461 | } |
|
|
1462 | |
|
|
1463 | \@paths |
|
|
1464 | } |
|
|
1465 | |
|
|
1466 | =item $protocol_xml = $player->expand_cfpod ($crossfire_pod) |
|
|
1467 | |
|
|
1468 | Expand crossfire pod fragments into protocol xml. |
|
|
1469 | |
|
|
1470 | =cut |
|
|
1471 | |
|
|
1472 | sub expand_cfpod { |
|
|
1473 | ((my $self), (local $_)) = @_; |
|
|
1474 | |
|
|
1475 | # escape & and < |
|
|
1476 | s/&/&/g; |
|
|
1477 | s/(?<![BIUGH])</</g; |
|
|
1478 | |
|
|
1479 | # this is buggy, it needs to properly take care of nested <'s |
|
|
1480 | |
|
|
1481 | 1 while |
|
|
1482 | # replace B<>, I<>, U<> etc. |
|
|
1483 | s/B<([^\>]*)>/<b>$1<\/b>/ |
|
|
1484 | || s/I<([^\>]*)>/<i>$1<\/i>/ |
|
|
1485 | || s/U<([^\>]*)>/<u>$1<\/u>/ |
|
|
1486 | # replace G<male|female> tags |
|
|
1487 | || s{G<([^>|]*)\|([^>]*)>}{ |
|
|
1488 | $self->gender ? $2 : $1 |
|
|
1489 | }ge |
|
|
1490 | # replace H<hint text> |
|
|
1491 | || s{H<([^\>]*)>} |
|
|
1492 | { |
|
|
1493 | ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>", |
|
|
1494 | "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>", |
|
|
1495 | "") |
|
|
1496 | [$self->{hintmode}] |
|
|
1497 | }ge; |
|
|
1498 | |
|
|
1499 | # create single paragraphs (very hackish) |
|
|
1500 | s/(?<=\S)\n(?=\w)/ /g; |
|
|
1501 | |
|
|
1502 | # compress some whitespace |
|
|
1503 | s/\s+\n/\n/g; # ws line-ends |
|
|
1504 | s/\n\n+/\n/g; # double lines |
|
|
1505 | s/^\n+//; # beginning lines |
|
|
1506 | s/\n+$//; # ending lines |
|
|
1507 | |
|
|
1508 | $_ |
|
|
1509 | } |
|
|
1510 | |
|
|
1511 | sub hintmode { |
|
|
1512 | $_[0]{hintmode} = $_[1] if @_ > 1; |
|
|
1513 | $_[0]{hintmode} |
|
|
1514 | } |
|
|
1515 | |
|
|
1516 | =item $player->ext_reply ($msgid, %msg) |
|
|
1517 | |
|
|
1518 | Sends an ext reply to the player. |
|
|
1519 | |
|
|
1520 | =cut |
|
|
1521 | |
|
|
1522 | sub ext_reply($$%) { |
|
|
1523 | my ($self, $id, %msg) = @_; |
|
|
1524 | |
|
|
1525 | $msg{msgid} = $id; |
|
|
1526 | $self->send ("ext " . $self->ns->{json_coder}->encode (\%msg)); |
|
|
1527 | } |
|
|
1528 | |
|
|
1529 | =item $player->ext_event ($type, %msg) |
|
|
1530 | |
|
|
1531 | Sends an ext event to the client. |
|
|
1532 | |
|
|
1533 | =cut |
|
|
1534 | |
|
|
1535 | sub ext_event($$%) { |
|
|
1536 | my ($self, $type, %msg) = @_; |
|
|
1537 | |
|
|
1538 | $self->ns->ext_event ($type, %msg); |
|
|
1539 | } |
|
|
1540 | |
|
|
1541 | =head3 cf::region |
|
|
1542 | |
|
|
1543 | =over 4 |
|
|
1544 | |
|
|
1545 | =cut |
|
|
1546 | |
|
|
1547 | package cf::region; |
|
|
1548 | |
|
|
1549 | =item cf::region::find_by_path $path |
|
|
1550 | |
|
|
1551 | Tries to decuce the likely region for a map knowing only its path. |
|
|
1552 | |
|
|
1553 | =cut |
|
|
1554 | |
|
|
1555 | sub find_by_path($) { |
|
|
1556 | my ($path) = @_; |
|
|
1557 | |
|
|
1558 | my ($match, $specificity); |
|
|
1559 | |
|
|
1560 | for my $region (list) { |
|
|
1561 | if ($region->{match} && $path =~ $region->{match}) { |
|
|
1562 | ($match, $specificity) = ($region, $region->specificity) |
|
|
1563 | if $region->specificity > $specificity; |
|
|
1564 | } |
|
|
1565 | } |
|
|
1566 | |
|
|
1567 | $match |
|
|
1568 | } |
|
|
1569 | |
|
|
1570 | =back |
|
|
1571 | |
|
|
1572 | =head3 cf::map |
|
|
1573 | |
|
|
1574 | =over 4 |
|
|
1575 | |
|
|
1576 | =cut |
|
|
1577 | |
|
|
1578 | package cf::map; |
|
|
1579 | |
|
|
1580 | use Fcntl; |
|
|
1581 | use Coro::AIO; |
|
|
1582 | |
|
|
1583 | use overload |
|
|
1584 | '""' => \&as_string, |
|
|
1585 | fallback => 1; |
|
|
1586 | |
|
|
1587 | our $MAX_RESET = 3600; |
|
|
1588 | our $DEFAULT_RESET = 3000; |
|
|
1589 | |
|
|
1590 | sub generate_random_map { |
|
|
1591 | my ($self, $rmp) = @_; |
|
|
1592 | # mit "rum" bekleckern, nicht |
|
|
1593 | $self->_create_random_map ( |
|
|
1594 | $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, |
|
|
1595 | $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, |
|
|
1596 | $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, |
|
|
1597 | $rmp->{exit_on_final_map}, |
|
|
1598 | $rmp->{xsize}, $rmp->{ysize}, |
|
|
1599 | $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, |
|
|
1600 | $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, |
|
|
1601 | $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, |
|
|
1602 | $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, |
|
|
1603 | $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, |
|
|
1604 | (cf::region::find $rmp->{region}), $rmp->{custom} |
|
|
1605 | ) |
|
|
1606 | } |
|
|
1607 | |
|
|
1608 | =item cf::map->register ($regex, $prio) |
|
|
1609 | |
|
|
1610 | Register a handler for the map path matching the given regex at the |
|
|
1611 | givne priority (higher is better, built-in handlers have priority 0, the |
|
|
1612 | default). |
|
|
1613 | |
|
|
1614 | =cut |
137 | |
1615 | |
138 | sub register { |
1616 | sub register { |
|
|
1617 | my (undef, $regex, $prio) = @_; |
|
|
1618 | my $pkg = caller; |
|
|
1619 | |
|
|
1620 | no strict; |
|
|
1621 | push @{"$pkg\::ISA"}, __PACKAGE__; |
|
|
1622 | |
|
|
1623 | $EXT_MAP{$pkg} = [$prio, qr<$regex>]; |
|
|
1624 | } |
|
|
1625 | |
|
|
1626 | # also paths starting with '/' |
|
|
1627 | $EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; |
|
|
1628 | |
|
|
1629 | sub thawer_merge { |
139 | my ($base, $pkg) = @_; |
1630 | my ($self, $merge) = @_; |
140 | |
1631 | |
141 | for my $idx (0 .. $#EVENT) { |
1632 | # we have to keep some variables in memory intact |
142 | if (my $ref = $pkg->can ("on_$EVENT[$idx]")) { |
1633 | local $self->{path}; |
143 | #warn "registering $EVENT[$idx] hook to '$pkg'\n"; |
1634 | local $self->{load_path}; |
144 | $hook[$idx]{$base} = $ref; |
|
|
145 | } |
|
|
146 | } |
|
|
147 | } |
|
|
148 | |
1635 | |
149 | sub load_extension { |
1636 | $self->SUPER::thawer_merge ($merge); |
|
|
1637 | } |
|
|
1638 | |
|
|
1639 | sub normalise { |
150 | my ($path) = @_; |
1640 | my ($path, $base) = @_; |
151 | |
1641 | |
152 | $path =~ /([^\/\\]+)\.ext$/ or die "$path"; |
1642 | $path = "$path"; # make sure its a string |
153 | my $base = $1; |
|
|
154 | my $pkg = $1; |
|
|
155 | $pkg =~ s/[^[:word:]]/_/g; |
|
|
156 | $pkg = "cf::ext::$pkg"; |
|
|
157 | |
1643 | |
158 | warn "loading '$path' into '$pkg'\n"; |
1644 | $path =~ s/\.map$//; |
159 | |
1645 | |
160 | open my $fh, "<:utf8", $path |
1646 | # map plan: |
161 | or die "$path: $!"; |
1647 | # |
|
|
1648 | # /! non-realised random map exit (special hack!) |
|
|
1649 | # {... are special paths that are not being touched |
|
|
1650 | # ?xxx/... are special absolute paths |
|
|
1651 | # ?random/... random maps |
|
|
1652 | # /... normal maps |
|
|
1653 | # ~user/... per-player map of a specific user |
162 | |
1654 | |
163 | my $source = |
1655 | $path =~ s/$PATH_SEP/\//go; |
164 | "package $pkg; use strict; use utf8;\n" |
|
|
165 | . "#line 1 \"$path\"\n{\n" |
|
|
166 | . (do { local $/; <$fh> }) |
|
|
167 | . "\n};\n1"; |
|
|
168 | |
1656 | |
169 | eval $source |
1657 | # treat it as relative path if it starts with |
170 | or die "$path: $@"; |
1658 | # something that looks reasonable |
|
|
1659 | if ($path =~ m{^(?:\./|\.\./|\w)}) { |
|
|
1660 | $base or Carp::carp "normalise called with relative path and no base: '$path'"; |
171 | |
1661 | |
172 | push @exts, $pkg; |
1662 | $base =~ s{[^/]+/?$}{}; |
173 | $ext_pkg{$base} = $pkg; |
1663 | $path = "$base/$path"; |
|
|
1664 | } |
174 | |
1665 | |
175 | # no strict 'refs'; |
1666 | for ($path) { |
176 | # @{"$pkg\::ISA"} = ext::; |
1667 | redo if s{//}{/}; |
|
|
1668 | redo if s{/\.?/}{/}; |
|
|
1669 | redo if s{/[^/]+/\.\./}{/}; |
|
|
1670 | } |
177 | |
1671 | |
178 | register $base, $pkg; |
1672 | $path |
179 | } |
1673 | } |
180 | |
1674 | |
181 | sub unload_extension { |
1675 | sub new_from_path { |
|
|
1676 | my (undef, $path, $base) = @_; |
|
|
1677 | |
|
|
1678 | return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object |
|
|
1679 | |
|
|
1680 | $path = normalise $path, $base; |
|
|
1681 | |
|
|
1682 | for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) { |
|
|
1683 | if ($path =~ $EXT_MAP{$pkg}[1]) { |
|
|
1684 | my $self = bless cf::map::new, $pkg; |
|
|
1685 | $self->{path} = $path; $self->path ($path); |
|
|
1686 | $self->init; # pass $1 etc. |
|
|
1687 | return $self; |
|
|
1688 | } |
|
|
1689 | } |
|
|
1690 | |
|
|
1691 | Carp::cluck "unable to resolve path '$path' (base '$base')."; |
|
|
1692 | () |
|
|
1693 | } |
|
|
1694 | |
|
|
1695 | sub init { |
|
|
1696 | my ($self) = @_; |
|
|
1697 | |
|
|
1698 | $self |
|
|
1699 | } |
|
|
1700 | |
|
|
1701 | sub as_string { |
|
|
1702 | my ($self) = @_; |
|
|
1703 | |
|
|
1704 | "$self->{path}" |
|
|
1705 | } |
|
|
1706 | |
|
|
1707 | # the displayed name, this is a one way mapping |
|
|
1708 | sub visible_name { |
|
|
1709 | &as_string |
|
|
1710 | } |
|
|
1711 | |
|
|
1712 | # the original (read-only) location |
|
|
1713 | sub load_path { |
|
|
1714 | my ($self) = @_; |
|
|
1715 | |
|
|
1716 | "$MAPDIR/$self->{path}.map" |
|
|
1717 | } |
|
|
1718 | |
|
|
1719 | # the temporary/swap location |
|
|
1720 | sub save_path { |
|
|
1721 | my ($self) = @_; |
|
|
1722 | |
|
|
1723 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
|
|
1724 | "$TMPDIR/$path.map" |
|
|
1725 | } |
|
|
1726 | |
|
|
1727 | # the unique path, undef == no special unique path |
|
|
1728 | sub uniq_path { |
|
|
1729 | my ($self) = @_; |
|
|
1730 | |
|
|
1731 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
|
|
1732 | "$UNIQUEDIR/$path" |
|
|
1733 | } |
|
|
1734 | |
|
|
1735 | # and all this just because we cannot iterate over |
|
|
1736 | # all maps in C++... |
|
|
1737 | sub change_all_map_light { |
182 | my ($pkg) = @_; |
1738 | my ($change) = @_; |
183 | |
1739 | |
184 | warn "removing extension $pkg\n"; |
1740 | $_->change_map_light ($change) |
|
|
1741 | for grep $_->outdoor, values %cf::MAP; |
|
|
1742 | } |
185 | |
1743 | |
186 | if (my $cb = $pkg->can ("on_unload")) { |
1744 | sub decay_objects { |
187 | $cb->($pkg); |
1745 | my ($self) = @_; |
|
|
1746 | |
|
|
1747 | return if $self->{deny_reset}; |
|
|
1748 | |
|
|
1749 | $self->do_decay_objects; |
|
|
1750 | } |
|
|
1751 | |
|
|
1752 | sub unlink_save { |
|
|
1753 | my ($self) = @_; |
|
|
1754 | |
|
|
1755 | utf8::encode (my $save = $self->save_path); |
|
|
1756 | IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; |
|
|
1757 | IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; |
|
|
1758 | } |
|
|
1759 | |
|
|
1760 | sub load_header_from($) { |
|
|
1761 | my ($self, $path) = @_; |
|
|
1762 | |
|
|
1763 | utf8::encode $path; |
|
|
1764 | #aio_open $path, O_RDONLY, 0 |
|
|
1765 | # or return; |
|
|
1766 | |
|
|
1767 | $self->_load_header ($path) |
|
|
1768 | or return; |
|
|
1769 | |
|
|
1770 | $self->{load_path} = $path; |
|
|
1771 | |
188 | } |
1772 | 1 |
|
|
1773 | } |
189 | |
1774 | |
190 | # remove hooks |
1775 | sub load_header_orig { |
191 | for my $idx (0 .. $#EVENT) { |
1776 | my ($self) = @_; |
192 | delete $hook[$idx]{$pkg}; |
|
|
193 | } |
|
|
194 | |
1777 | |
195 | # remove commands |
1778 | $self->load_header_from ($self->load_path) |
196 | for my $name (keys %command) { |
1779 | } |
197 | my @cb = grep $_->[2] ne $pkg, @{ $command{$name} }; |
|
|
198 | |
1780 | |
199 | if (@cb) { |
1781 | sub load_header_temp { |
200 | $command{$name} = \@cb; |
1782 | my ($self) = @_; |
201 | $COMMAND{"$name\000"} = List::Util::max map $_->[0], @cb; |
1783 | |
|
|
1784 | $self->load_header_from ($self->save_path) |
|
|
1785 | } |
|
|
1786 | |
|
|
1787 | sub prepare_temp { |
|
|
1788 | my ($self) = @_; |
|
|
1789 | |
|
|
1790 | $self->last_access ((delete $self->{last_access}) |
|
|
1791 | || $cf::RUNTIME); #d# |
|
|
1792 | # safety |
|
|
1793 | $self->{instantiate_time} = $cf::RUNTIME |
|
|
1794 | if $self->{instantiate_time} > $cf::RUNTIME; |
|
|
1795 | } |
|
|
1796 | |
|
|
1797 | sub prepare_orig { |
|
|
1798 | my ($self) = @_; |
|
|
1799 | |
|
|
1800 | $self->{load_original} = 1; |
|
|
1801 | $self->{instantiate_time} = $cf::RUNTIME; |
|
|
1802 | $self->last_access ($cf::RUNTIME); |
|
|
1803 | $self->instantiate; |
|
|
1804 | } |
|
|
1805 | |
|
|
1806 | sub load_header { |
|
|
1807 | my ($self) = @_; |
|
|
1808 | |
|
|
1809 | if ($self->load_header_temp) { |
|
|
1810 | $self->prepare_temp; |
202 | } else { |
1811 | } else { |
203 | delete $command{$name}; |
1812 | $self->load_header_orig |
204 | delete $COMMAND{"$name\000"}; |
1813 | or return; |
205 | } |
1814 | $self->prepare_orig; |
|
|
1815 | } |
|
|
1816 | |
|
|
1817 | $self->{deny_reset} = 1 |
|
|
1818 | if $self->no_reset; |
|
|
1819 | |
|
|
1820 | $self->default_region (cf::region::find_by_path $self->{path}) |
|
|
1821 | unless $self->default_region; |
|
|
1822 | |
206 | } |
1823 | 1 |
|
|
1824 | } |
207 | |
1825 | |
208 | # remove extcmds |
1826 | sub find; |
209 | for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) { |
1827 | sub find { |
210 | delete $extcmd{$name}; |
1828 | my ($path, $origin) = @_; |
|
|
1829 | |
|
|
1830 | $path = normalise $path, $origin && $origin->path; |
|
|
1831 | |
|
|
1832 | cf::lock_wait "map_find:$path"; |
|
|
1833 | |
|
|
1834 | $cf::MAP{$path} || do { |
|
|
1835 | my $guard = cf::lock_acquire "map_find:$path"; |
|
|
1836 | my $map = new_from_path cf::map $path |
|
|
1837 | or return; |
|
|
1838 | |
|
|
1839 | $map->{last_save} = $cf::RUNTIME; |
|
|
1840 | |
|
|
1841 | $map->load_header |
|
|
1842 | or return; |
|
|
1843 | |
|
|
1844 | if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) |
|
|
1845 | # doing this can freeze the server in a sync job, obviously |
|
|
1846 | #$cf::WAIT_FOR_TICK->wait; |
|
|
1847 | $map->reset; |
|
|
1848 | undef $guard; |
|
|
1849 | return find $path; |
|
|
1850 | } |
|
|
1851 | |
|
|
1852 | $cf::MAP{$path} = $map |
|
|
1853 | } |
|
|
1854 | } |
|
|
1855 | |
|
|
1856 | sub pre_load { } |
|
|
1857 | sub post_load { } |
|
|
1858 | |
|
|
1859 | sub load { |
|
|
1860 | my ($self) = @_; |
|
|
1861 | |
|
|
1862 | local $self->{deny_reset} = 1; # loading can take a long time |
|
|
1863 | |
|
|
1864 | my $path = $self->{path}; |
|
|
1865 | |
211 | } |
1866 | { |
|
|
1867 | my $guard = cf::lock_acquire "map_load:$path"; |
212 | |
1868 | |
213 | Symbol::delete_package $pkg; |
1869 | return if $self->in_memory != cf::MAP_SWAPPED; |
214 | } |
|
|
215 | |
1870 | |
216 | sub load_extensions { |
1871 | $self->in_memory (cf::MAP_LOADING); |
217 | my $LIBDIR = maps_directory "perl"; |
|
|
218 | |
1872 | |
219 | for my $ext (<$LIBDIR/*.ext>) { |
1873 | $self->alloc; |
220 | next unless -r $ext; |
|
|
221 | eval { |
|
|
222 | load_extension $ext; |
|
|
223 | 1 |
|
|
224 | } or warn "$ext not loaded: $@"; |
|
|
225 | } |
|
|
226 | } |
|
|
227 | |
1874 | |
228 | register_command "perl-reload", 0, sub { |
1875 | $self->pre_load; |
229 | my ($who, $arg) = @_; |
1876 | Coro::cede; |
230 | |
1877 | |
231 | if ($who->flag (FLAG_WIZ)) { |
1878 | $self->_load_objects ($self->{load_path}, 1) |
232 | $who->message ("reloading..."); |
1879 | or return; |
233 | |
1880 | |
234 | warn "reloading...\n"; |
1881 | $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) |
235 | eval { |
1882 | if delete $self->{load_original}; |
236 | # 1. cancel all watchers |
|
|
237 | $_->cancel for Event::all_watchers; |
|
|
238 | |
1883 | |
239 | # 2. unload all extensions |
1884 | if (my $uniq = $self->uniq_path) { |
240 | for (@exts) { |
1885 | utf8::encode $uniq; |
241 | $who->message ("unloading <$_>"); |
1886 | if (aio_open $uniq, O_RDONLY, 0) { |
242 | unload_extension $_; |
1887 | $self->clear_unique_items; |
|
|
1888 | $self->_load_objects ($uniq, 0); |
243 | } |
1889 | } |
|
|
1890 | } |
244 | |
1891 | |
245 | # 3. unload all modules loaded from $LIBDIR |
1892 | Coro::cede; |
246 | while (my ($k, $v) = each %INC) { |
1893 | # now do the right thing for maps |
247 | next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
1894 | $self->link_multipart_objects; |
|
|
1895 | $self->difficulty ($self->estimate_difficulty) |
|
|
1896 | unless $self->difficulty; |
|
|
1897 | Coro::cede; |
248 | |
1898 | |
249 | $who->message ("removing <$k>"); |
1899 | unless ($self->{deny_activate}) { |
250 | delete $INC{$k}; |
1900 | $self->decay_objects; |
|
|
1901 | $self->fix_auto_apply; |
|
|
1902 | $self->update_buttons; |
|
|
1903 | Coro::cede; |
|
|
1904 | $self->set_darkness_map; |
|
|
1905 | Coro::cede; |
|
|
1906 | $self->activate; |
|
|
1907 | } |
251 | |
1908 | |
252 | $k =~ s/\.pm$//; |
1909 | $self->in_memory (cf::MAP_IN_MEMORY); |
253 | $k =~ s/\//::/g; |
1910 | } |
254 | |
1911 | |
255 | if (my $cb = $k->can ("unload_module")) { |
1912 | $self->post_load; |
|
|
1913 | } |
|
|
1914 | |
|
|
1915 | sub customise_for { |
|
|
1916 | my ($self, $ob) = @_; |
|
|
1917 | |
|
|
1918 | return find "~" . $ob->name . "/" . $self->{path} |
|
|
1919 | if $self->per_player; |
|
|
1920 | |
|
|
1921 | # return find "?party/" . $ob->name . "/" . $self->{path} |
|
|
1922 | # if $self->per_party; |
|
|
1923 | |
|
|
1924 | $self |
|
|
1925 | } |
|
|
1926 | |
|
|
1927 | # find and load all maps in the 3x3 area around a map |
|
|
1928 | sub load_diag { |
|
|
1929 | my ($map) = @_; |
|
|
1930 | |
|
|
1931 | my @diag; # diagonal neighbours |
|
|
1932 | |
|
|
1933 | for (0 .. 3) { |
|
|
1934 | my $neigh = $map->tile_path ($_) |
|
|
1935 | or next; |
|
|
1936 | $neigh = find $neigh, $map |
|
|
1937 | or next; |
|
|
1938 | $neigh->load; |
|
|
1939 | |
|
|
1940 | push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], |
|
|
1941 | [$neigh->tile_path (($_ + 1) % 4), $neigh]; |
|
|
1942 | } |
|
|
1943 | |
|
|
1944 | for (@diag) { |
|
|
1945 | my $neigh = find @$_ |
|
|
1946 | or next; |
|
|
1947 | $neigh->load; |
|
|
1948 | } |
|
|
1949 | } |
|
|
1950 | |
|
|
1951 | sub find_sync { |
|
|
1952 | my ($path, $origin) = @_; |
|
|
1953 | |
|
|
1954 | cf::sync_job { find $path, $origin } |
|
|
1955 | } |
|
|
1956 | |
|
|
1957 | sub do_load_sync { |
|
|
1958 | my ($map) = @_; |
|
|
1959 | |
|
|
1960 | cf::sync_job { $map->load }; |
|
|
1961 | } |
|
|
1962 | |
|
|
1963 | our %MAP_PREFETCH; |
|
|
1964 | our $MAP_PREFETCHER = undef; |
|
|
1965 | |
|
|
1966 | sub find_async { |
|
|
1967 | my ($path, $origin) = @_; |
|
|
1968 | |
|
|
1969 | $path = normalise $path, $origin && $origin->{path}; |
|
|
1970 | |
|
|
1971 | if (my $map = $cf::MAP{$path}) { |
|
|
1972 | return $map if $map->in_memory == cf::MAP_IN_MEMORY; |
|
|
1973 | } |
|
|
1974 | |
|
|
1975 | undef $MAP_PREFETCH{$path}; |
|
|
1976 | $MAP_PREFETCHER ||= cf::async { |
|
|
1977 | while (%MAP_PREFETCH) { |
|
|
1978 | for my $path (keys %MAP_PREFETCH) { |
|
|
1979 | if (my $map = find $path) { |
256 | $cb->(); |
1980 | $map->load; |
257 | } |
1981 | } |
258 | |
1982 | |
259 | Symbol::delete_package $k; |
1983 | delete $MAP_PREFETCH{$path}; |
260 | } |
1984 | } |
261 | |
|
|
262 | # 4. get rid of ext::, as good as possible |
|
|
263 | Symbol::delete_package "ext::$_" |
|
|
264 | for qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region); |
|
|
265 | |
|
|
266 | # 5. remove register_script_function callbacks |
|
|
267 | # TODO |
|
|
268 | |
|
|
269 | # 6. unload cf.pm "a bit" |
|
|
270 | delete $INC{"cf.pm"}; |
|
|
271 | |
|
|
272 | # don't, removes xs symbols, too |
|
|
273 | #Symbol::delete_package __PACKAGE__; |
|
|
274 | |
|
|
275 | # 7. reload cf.pm |
|
|
276 | $who->message ("reloading cf.pm"); |
|
|
277 | require cf; |
|
|
278 | }; |
1985 | } |
279 | warn $@ if $@; |
1986 | undef $MAP_PREFETCHER; |
280 | $who->message ($@) if $@; |
1987 | }; |
281 | warn "reloaded\n"; |
1988 | $MAP_PREFETCHER->prio (6); |
282 | |
1989 | |
283 | $who->message ("reloaded"); |
1990 | () |
|
|
1991 | } |
|
|
1992 | |
|
|
1993 | sub save { |
|
|
1994 | my ($self) = @_; |
|
|
1995 | |
|
|
1996 | my $lock = cf::lock_acquire "map_data:" . $self->path; |
|
|
1997 | |
|
|
1998 | $self->{last_save} = $cf::RUNTIME; |
|
|
1999 | |
|
|
2000 | return unless $self->dirty; |
|
|
2001 | |
|
|
2002 | my $save = $self->save_path; utf8::encode $save; |
|
|
2003 | my $uniq = $self->uniq_path; utf8::encode $uniq; |
|
|
2004 | |
|
|
2005 | $self->{load_path} = $save; |
|
|
2006 | |
|
|
2007 | return if $self->{deny_save}; |
|
|
2008 | |
|
|
2009 | local $self->{last_access} = $self->last_access;#d# |
|
|
2010 | |
|
|
2011 | cf::async { |
|
|
2012 | $_->contr->save for $self->players; |
|
|
2013 | }; |
|
|
2014 | |
|
|
2015 | if ($uniq) { |
|
|
2016 | $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); |
|
|
2017 | $self->_save_objects ($uniq, cf::IO_UNIQUES); |
284 | } else { |
2018 | } else { |
285 | $who->message ("Intruder Alert!"); |
2019 | $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); |
286 | } |
|
|
287 | }; |
|
|
288 | |
|
|
289 | ############################################################################# |
|
|
290 | # utility functions |
|
|
291 | |
|
|
292 | use JSON::Syck (); # TODO# replace by JSON::PC once working |
|
|
293 | |
|
|
294 | $JSON::Syck::ImplicitUnicode = 1; |
|
|
295 | |
|
|
296 | sub from_json($) { |
|
|
297 | JSON::Syck::Load $_[0] |
|
|
298 | } |
|
|
299 | |
|
|
300 | sub to_json($) { |
|
|
301 | JSON::Syck::Dump $_[0] |
|
|
302 | } |
|
|
303 | |
|
|
304 | ############################################################################# |
|
|
305 | # extcmd framework, basically convert ext <msg> |
|
|
306 | # into pkg::->on_extcmd_arg1 (...) while shortcutting a few |
|
|
307 | |
|
|
308 | sub on_extcmd { |
|
|
309 | my ($pl, $buf) = @_; |
|
|
310 | |
|
|
311 | my $msg = eval { from_json $buf }; |
|
|
312 | |
|
|
313 | if (ref $msg) { |
|
|
314 | if (my $cb = $extcmd{$msg->{msgtype}}) { |
|
|
315 | if (my %reply = $cb->[0]->($pl, $msg)) { |
|
|
316 | $pl->ext_reply ($msg->{msgid}, %reply); |
|
|
317 | } |
|
|
318 | } |
|
|
319 | } else { |
|
|
320 | warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; |
|
|
321 | } |
|
|
322 | |
|
|
323 | 1 |
2020 | } |
324 | } |
2021 | } |
325 | |
2022 | |
326 | ############################################################################# |
2023 | sub swap_out { |
327 | # load/save/clean perl data associated with a map |
|
|
328 | |
|
|
329 | *on_mapclean = sub { |
|
|
330 | my ($map) = @_; |
2024 | my ($self) = @_; |
331 | |
2025 | |
332 | my $path = $map->tmpname; |
2026 | # save first because save cedes |
333 | defined $path or return; |
2027 | $self->save; |
334 | |
2028 | |
335 | unlink "$path.cfperl"; |
2029 | my $lock = cf::lock_acquire "map_data:" . $self->path; |
336 | }; |
|
|
337 | |
2030 | |
338 | *on_mapin = |
2031 | return if $self->players; |
339 | *on_mapload = sub { |
2032 | return if $self->in_memory != cf::MAP_IN_MEMORY; |
|
|
2033 | return if $self->{deny_save}; |
|
|
2034 | |
|
|
2035 | $self->clear; |
|
|
2036 | $self->in_memory (cf::MAP_SWAPPED); |
|
|
2037 | } |
|
|
2038 | |
|
|
2039 | sub reset_at { |
340 | my ($map) = @_; |
2040 | my ($self) = @_; |
341 | |
2041 | |
342 | my $path = $map->tmpname; |
2042 | # TODO: safety, remove and allow resettable per-player maps |
343 | $path = $map->path unless defined $path; |
2043 | return 1e99 if $self->{deny_reset}; |
344 | |
2044 | |
345 | open my $fh, "<:raw", "$path.cfperl" |
2045 | my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; |
346 | or return; # no perl data |
2046 | my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; |
347 | |
2047 | |
348 | my $data = Storable::thaw do { local $/; <$fh> }; |
2048 | $time + $to |
|
|
2049 | } |
349 | |
2050 | |
350 | $data->{version} <= 1 |
2051 | sub should_reset { |
351 | or return; # too new |
|
|
352 | |
|
|
353 | $map->_set_obs ($data->{obs}); |
|
|
354 | }; |
|
|
355 | |
|
|
356 | *on_mapout = sub { |
|
|
357 | my ($map) = @_; |
2052 | my ($self) = @_; |
358 | |
2053 | |
359 | my $path = $map->tmpname; |
2054 | $self->reset_at <= $cf::RUNTIME |
360 | $path = $map->path unless defined $path; |
2055 | } |
361 | |
2056 | |
362 | my $obs = $map->_get_obs; |
2057 | sub reset { |
|
|
2058 | my ($self) = @_; |
363 | |
2059 | |
364 | if (defined $obs) { |
2060 | my $lock = cf::lock_acquire "map_data:$self->{path}"; |
365 | open my $fh, ">:raw", "$path.cfperl" |
|
|
366 | or die "$path.cfperl: $!"; |
|
|
367 | |
2061 | |
368 | stat $path; |
2062 | return if $self->players; |
369 | |
2063 | |
370 | print $fh Storable::nfreeze { |
2064 | warn "resetting map ", $self->path; |
371 | size => (stat _)[7], |
|
|
372 | time => (stat _)[9], |
|
|
373 | version => 1, |
|
|
374 | obs => $obs, |
|
|
375 | }; |
|
|
376 | |
2065 | |
377 | chmod SAVE_MODE, "$path.cfperl"; # very racy, but cf-compatible *g* |
2066 | $self->in_memory (cf::MAP_SWAPPED); |
378 | } else { |
2067 | |
379 | unlink "$path.cfperl"; |
2068 | # need to save uniques path |
|
|
2069 | unless ($self->{deny_save}) { |
|
|
2070 | my $uniq = $self->uniq_path; utf8::encode $uniq; |
|
|
2071 | |
|
|
2072 | $self->_save_objects ($uniq, cf::IO_UNIQUES) |
|
|
2073 | if $uniq; |
|
|
2074 | } |
|
|
2075 | |
|
|
2076 | delete $cf::MAP{$self->path}; |
|
|
2077 | |
|
|
2078 | $self->clear; |
|
|
2079 | |
|
|
2080 | $_->clear_links_to ($self) for values %cf::MAP; |
|
|
2081 | |
|
|
2082 | $self->unlink_save; |
|
|
2083 | $self->destroy; |
|
|
2084 | } |
|
|
2085 | |
|
|
2086 | my $nuke_counter = "aaaa"; |
|
|
2087 | |
|
|
2088 | sub nuke { |
|
|
2089 | my ($self) = @_; |
|
|
2090 | |
|
|
2091 | delete $cf::MAP{$self->path}; |
|
|
2092 | |
|
|
2093 | $self->unlink_save; |
|
|
2094 | |
|
|
2095 | bless $self, "cf::map"; |
|
|
2096 | delete $self->{deny_reset}; |
|
|
2097 | $self->{deny_save} = 1; |
|
|
2098 | $self->reset_timeout (1); |
|
|
2099 | $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); |
|
|
2100 | |
|
|
2101 | $cf::MAP{$self->path} = $self; |
|
|
2102 | |
|
|
2103 | $self->reset; # polite request, might not happen |
|
|
2104 | } |
|
|
2105 | |
|
|
2106 | =item $maps = cf::map::tmp_maps |
|
|
2107 | |
|
|
2108 | Returns an arrayref with all map paths of currently instantiated and saved |
|
|
2109 | maps. May block. |
|
|
2110 | |
|
|
2111 | =cut |
|
|
2112 | |
|
|
2113 | sub tmp_maps() { |
380 | } |
2114 | [ |
381 | }; |
2115 | map { |
382 | |
2116 | utf8::decode $_; |
383 | ############################################################################# |
2117 | /\.map$/ |
384 | # load/save perl data associated with player->ob objects |
2118 | ? normalise $_ |
385 | |
2119 | : () |
386 | *on_player_load = sub { |
2120 | } @{ aio_readdir $TMPDIR or [] } |
387 | my ($ob, $path) = @_; |
|
|
388 | |
|
|
389 | for my $o ($ob, $ob->inv) { |
|
|
390 | if (my $value = $o->get_ob_key_value ("_perl_data")) { |
|
|
391 | $o->set_ob_key_value ("_perl_data"); |
|
|
392 | |
|
|
393 | %$o = %{ Storable::thaw pack "H*", $value }; |
|
|
394 | } |
|
|
395 | } |
2121 | ] |
396 | }; |
|
|
397 | |
|
|
398 | *on_player_save = sub { |
|
|
399 | my ($ob, $path) = @_; |
|
|
400 | |
|
|
401 | $_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) |
|
|
402 | for grep %$_, $ob, $ob->inv; |
|
|
403 | }; |
|
|
404 | |
|
|
405 | ############################################################################# |
|
|
406 | # core extensions - in perl |
|
|
407 | |
|
|
408 | =item cf::player::exists $login |
|
|
409 | |
|
|
410 | Returns true when the given account exists. |
|
|
411 | |
|
|
412 | =cut |
|
|
413 | |
|
|
414 | sub cf::player::exists($) { |
|
|
415 | cf::player::find $_[0] |
|
|
416 | or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
|
|
417 | } |
2122 | } |
418 | |
2123 | |
|
|
2124 | =item $maps = cf::map::random_maps |
|
|
2125 | |
|
|
2126 | Returns an arrayref with all map paths of currently instantiated and saved |
|
|
2127 | random maps. May block. |
|
|
2128 | |
|
|
2129 | =cut |
|
|
2130 | |
|
|
2131 | sub random_maps() { |
|
|
2132 | [ |
|
|
2133 | map { |
|
|
2134 | utf8::decode $_; |
|
|
2135 | /\.map$/ |
|
|
2136 | ? normalise "?random/$_" |
|
|
2137 | : () |
|
|
2138 | } @{ aio_readdir $RANDOMDIR or [] } |
|
|
2139 | ] |
|
|
2140 | } |
|
|
2141 | |
|
|
2142 | =item cf::map::unique_maps |
|
|
2143 | |
|
|
2144 | Returns an arrayref of paths of all shared maps that have |
|
|
2145 | instantiated unique items. May block. |
|
|
2146 | |
|
|
2147 | =cut |
|
|
2148 | |
|
|
2149 | sub unique_maps() { |
|
|
2150 | [ |
|
|
2151 | map { |
|
|
2152 | utf8::decode $_; |
|
|
2153 | /\.map$/ |
|
|
2154 | ? normalise $_ |
|
|
2155 | : () |
|
|
2156 | } @{ aio_readdir $UNIQUEDIR or [] } |
|
|
2157 | ] |
|
|
2158 | } |
|
|
2159 | |
|
|
2160 | package cf; |
|
|
2161 | |
|
|
2162 | =back |
|
|
2163 | |
|
|
2164 | =head3 cf::object |
|
|
2165 | |
|
|
2166 | =cut |
|
|
2167 | |
|
|
2168 | package cf::object; |
|
|
2169 | |
|
|
2170 | =over 4 |
|
|
2171 | |
|
|
2172 | =item $ob->inv_recursive |
|
|
2173 | |
|
|
2174 | Returns the inventory of the object _and_ their inventories, recursively. |
|
|
2175 | |
|
|
2176 | =cut |
|
|
2177 | |
|
|
2178 | sub inv_recursive_; |
|
|
2179 | sub inv_recursive_ { |
|
|
2180 | map { $_, inv_recursive_ $_->inv } @_ |
|
|
2181 | } |
|
|
2182 | |
|
|
2183 | sub inv_recursive { |
|
|
2184 | inv_recursive_ inv $_[0] |
|
|
2185 | } |
|
|
2186 | |
|
|
2187 | package cf; |
|
|
2188 | |
|
|
2189 | =back |
|
|
2190 | |
|
|
2191 | =head3 cf::object::player |
|
|
2192 | |
|
|
2193 | =over 4 |
|
|
2194 | |
419 | =item $player->reply ($npc, $msg[, $flags]) |
2195 | =item $player_object->reply ($npc, $msg[, $flags]) |
420 | |
2196 | |
421 | Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
2197 | Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
422 | can be C<undef>. Does the right thing when the player is currently in a |
2198 | can be C<undef>. Does the right thing when the player is currently in a |
423 | dialogue with the given NPC character. |
2199 | dialogue with the given NPC character. |
424 | |
2200 | |
425 | =cut |
2201 | =cut |
426 | |
2202 | |
427 | # rough implementation of a future "reply" method that works |
2203 | # rough implementation of a future "reply" method that works |
428 | # with dialog boxes. |
2204 | # with dialog boxes. |
|
|
2205 | #TODO: the first argument must go, split into a $npc->reply_to ( method |
429 | sub cf::object::player::reply($$$;$) { |
2206 | sub cf::object::player::reply($$$;$) { |
430 | my ($self, $npc, $msg, $flags) = @_; |
2207 | my ($self, $npc, $msg, $flags) = @_; |
431 | |
2208 | |
432 | $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
2209 | $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
433 | |
2210 | |
434 | if ($self->{record_replies}) { |
2211 | if ($self->{record_replies}) { |
435 | push @{ $self->{record_replies} }, [$npc, $msg, $flags]; |
2212 | push @{ $self->{record_replies} }, [$npc, $msg, $flags]; |
|
|
2213 | |
436 | } else { |
2214 | } else { |
|
|
2215 | my $pl = $self->contr; |
|
|
2216 | |
|
|
2217 | if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) { |
|
|
2218 | my $diag = $pl->{npc_dialog}; |
|
|
2219 | $diag->{pl}->ext_reply ( |
|
|
2220 | $diag->{id}, |
|
|
2221 | msgtype => "reply", |
|
|
2222 | msg => $diag->{pl}->expand_cfpod ($msg), |
|
|
2223 | add_topics => [] |
|
|
2224 | ); |
|
|
2225 | |
|
|
2226 | } else { |
437 | $msg = $npc->name . " says: $msg" if $npc; |
2227 | $msg = $npc->name . " says: $msg" if $npc; |
438 | $self->message ($msg, $flags); |
2228 | $self->message ($msg, $flags); |
|
|
2229 | } |
|
|
2230 | } |
|
|
2231 | } |
|
|
2232 | |
|
|
2233 | =item $player_object->may ("access") |
|
|
2234 | |
|
|
2235 | Returns wether the given player is authorized to access resource "access" |
|
|
2236 | (e.g. "command_wizcast"). |
|
|
2237 | |
|
|
2238 | =cut |
|
|
2239 | |
|
|
2240 | sub cf::object::player::may { |
|
|
2241 | my ($self, $access) = @_; |
|
|
2242 | |
|
|
2243 | $self->flag (cf::FLAG_WIZ) || |
|
|
2244 | (ref $cf::CFG{"may_$access"} |
|
|
2245 | ? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}} |
|
|
2246 | : $cf::CFG{"may_$access"}) |
|
|
2247 | } |
|
|
2248 | |
|
|
2249 | =item $player_object->enter_link |
|
|
2250 | |
|
|
2251 | Freezes the player and moves him/her to a special map (C<{link}>). |
|
|
2252 | |
|
|
2253 | The player should be reasonably safe there for short amounts of time. You |
|
|
2254 | I<MUST> call C<leave_link> as soon as possible, though. |
|
|
2255 | |
|
|
2256 | Will never block. |
|
|
2257 | |
|
|
2258 | =item $player_object->leave_link ($map, $x, $y) |
|
|
2259 | |
|
|
2260 | Moves the player out of the special C<{link}> map onto the specified |
|
|
2261 | map. If the map is not valid (or omitted), the player will be moved back |
|
|
2262 | to the location he/she was before the call to C<enter_link>, or, if that |
|
|
2263 | fails, to the emergency map position. |
|
|
2264 | |
|
|
2265 | Might block. |
|
|
2266 | |
|
|
2267 | =cut |
|
|
2268 | |
|
|
2269 | sub link_map { |
|
|
2270 | unless ($LINK_MAP) { |
|
|
2271 | $LINK_MAP = cf::map::find "{link}" |
|
|
2272 | or cf::cleanup "FATAL: unable to provide {link} map, exiting."; |
|
|
2273 | $LINK_MAP->load; |
|
|
2274 | } |
|
|
2275 | |
|
|
2276 | $LINK_MAP |
|
|
2277 | } |
|
|
2278 | |
|
|
2279 | sub cf::object::player::enter_link { |
|
|
2280 | my ($self) = @_; |
|
|
2281 | |
|
|
2282 | $self->deactivate_recursive; |
|
|
2283 | |
|
|
2284 | return if UNIVERSAL::isa $self->map, "ext::map_link"; |
|
|
2285 | |
|
|
2286 | $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] |
|
|
2287 | if $self->map && $self->map->{path} ne "{link}"; |
|
|
2288 | |
|
|
2289 | $self->enter_map ($LINK_MAP || link_map, 10, 10); |
|
|
2290 | } |
|
|
2291 | |
|
|
2292 | sub cf::object::player::leave_link { |
|
|
2293 | my ($self, $map, $x, $y) = @_; |
|
|
2294 | |
|
|
2295 | return unless $self->contr->active; |
|
|
2296 | |
|
|
2297 | my $link_pos = delete $self->{_link_pos}; |
|
|
2298 | |
|
|
2299 | unless ($map) { |
|
|
2300 | # restore original map position |
|
|
2301 | ($map, $x, $y) = @{ $link_pos || [] }; |
|
|
2302 | $map = cf::map::find $map; |
|
|
2303 | |
|
|
2304 | unless ($map) { |
|
|
2305 | ($map, $x, $y) = @$EMERGENCY_POSITION; |
|
|
2306 | $map = cf::map::find $map |
|
|
2307 | or die "FATAL: cannot load emergency map\n"; |
|
|
2308 | } |
|
|
2309 | } |
|
|
2310 | |
|
|
2311 | ($x, $y) = (-1, -1) |
|
|
2312 | unless (defined $x) && (defined $y); |
|
|
2313 | |
|
|
2314 | # use -1 or undef as default coordinates, not 0, 0 |
|
|
2315 | ($x, $y) = ($map->enter_x, $map->enter_y) |
|
|
2316 | if $x <=0 && $y <= 0; |
|
|
2317 | |
|
|
2318 | $map->load; |
|
|
2319 | $map->load_diag; |
|
|
2320 | |
|
|
2321 | return unless $self->contr->active; |
|
|
2322 | $self->activate_recursive; |
|
|
2323 | |
|
|
2324 | local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext |
|
|
2325 | $self->enter_map ($map, $x, $y); |
|
|
2326 | } |
|
|
2327 | |
|
|
2328 | =item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]]) |
|
|
2329 | |
|
|
2330 | Moves the player to the given map-path and coordinates by first freezing |
|
|
2331 | her, loading and preparing them map, calling the provided $check callback |
|
|
2332 | that has to return the map if sucecssful, and then unfreezes the player on |
|
|
2333 | the new (success) or old (failed) map position. In either case, $done will |
|
|
2334 | be called at the end of this process. |
|
|
2335 | |
|
|
2336 | =cut |
|
|
2337 | |
|
|
2338 | our $GOTOGEN; |
|
|
2339 | |
|
|
2340 | sub cf::object::player::goto { |
|
|
2341 | my ($self, $path, $x, $y, $check, $done) = @_; |
|
|
2342 | |
|
|
2343 | # do generation counting so two concurrent goto's will be executed in-order |
|
|
2344 | my $gen = $self->{_goto_generation} = ++$GOTOGEN; |
|
|
2345 | |
|
|
2346 | $self->enter_link; |
|
|
2347 | |
|
|
2348 | (async { |
|
|
2349 | my $map = eval { |
|
|
2350 | my $map = cf::map::find $path; |
|
|
2351 | |
|
|
2352 | if ($map) { |
|
|
2353 | $map = $map->customise_for ($self); |
|
|
2354 | $map = $check->($map) if $check && $map; |
|
|
2355 | } else { |
|
|
2356 | $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); |
|
|
2357 | } |
|
|
2358 | |
|
|
2359 | $map |
|
|
2360 | }; |
|
|
2361 | |
|
|
2362 | if ($@) { |
|
|
2363 | $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED); |
|
|
2364 | LOG llevError | logBacktrace, Carp::longmess $@; |
|
|
2365 | } |
|
|
2366 | |
|
|
2367 | if ($gen == $self->{_goto_generation}) { |
|
|
2368 | delete $self->{_goto_generation}; |
|
|
2369 | $self->leave_link ($map, $x, $y); |
|
|
2370 | } |
|
|
2371 | |
|
|
2372 | $done->() if $done; |
|
|
2373 | })->prio (1); |
|
|
2374 | } |
|
|
2375 | |
|
|
2376 | =item $player_object->enter_exit ($exit_object) |
|
|
2377 | |
|
|
2378 | =cut |
|
|
2379 | |
|
|
2380 | sub parse_random_map_params { |
|
|
2381 | my ($spec) = @_; |
|
|
2382 | |
|
|
2383 | my $rmp = { # defaults |
|
|
2384 | xsize => (cf::rndm 15, 40), |
|
|
2385 | ysize => (cf::rndm 15, 40), |
|
|
2386 | symmetry => (cf::rndm 1, cf::SYMMETRY_XY), |
|
|
2387 | #layout => string, |
439 | } |
2388 | }; |
440 | } |
|
|
441 | |
2389 | |
442 | =item $player->ext_reply ($msgid, $msgtype, %msg) |
2390 | for (split /\n/, $spec) { |
|
|
2391 | my ($k, $v) = split /\s+/, $_, 2; |
443 | |
2392 | |
|
|
2393 | $rmp->{lc $k} = $v if (length $k) && (length $v); |
|
|
2394 | } |
|
|
2395 | |
|
|
2396 | $rmp |
|
|
2397 | } |
|
|
2398 | |
|
|
2399 | sub prepare_random_map { |
|
|
2400 | my ($exit) = @_; |
|
|
2401 | |
|
|
2402 | my $guard = cf::lock_acquire "exit_prepare:$exit"; |
|
|
2403 | |
|
|
2404 | # all this does is basically replace the /! path by |
|
|
2405 | # a new random map path (?random/...) with a seed |
|
|
2406 | # that depends on the exit object |
|
|
2407 | |
|
|
2408 | my $rmp = parse_random_map_params $exit->msg; |
|
|
2409 | |
|
|
2410 | if ($exit->map) { |
|
|
2411 | $rmp->{region} = $exit->region->name; |
|
|
2412 | $rmp->{origin_map} = $exit->map->path; |
|
|
2413 | $rmp->{origin_x} = $exit->x; |
|
|
2414 | $rmp->{origin_y} = $exit->y; |
|
|
2415 | } |
|
|
2416 | |
|
|
2417 | $rmp->{random_seed} ||= $exit->random_seed; |
|
|
2418 | |
|
|
2419 | my $data = cf::to_json $rmp; |
|
|
2420 | my $md5 = Digest::MD5::md5_hex $data; |
|
|
2421 | my $meta = "$RANDOMDIR/$md5.meta"; |
|
|
2422 | |
|
|
2423 | if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { |
|
|
2424 | aio_write $fh, 0, (length $data), $data, 0; |
|
|
2425 | undef $fh; |
|
|
2426 | aio_rename "$meta~", $meta; |
|
|
2427 | |
|
|
2428 | $exit->slaying ("?random/$md5"); |
|
|
2429 | $exit->msg (undef); |
|
|
2430 | } |
|
|
2431 | } |
|
|
2432 | |
|
|
2433 | sub cf::object::player::enter_exit { |
|
|
2434 | my ($self, $exit) = @_; |
|
|
2435 | |
|
|
2436 | return unless $self->type == cf::PLAYER; |
|
|
2437 | |
|
|
2438 | if ($exit->slaying eq "/!") { |
|
|
2439 | #TODO: this should de-fi-ni-te-ly not be a sync-job |
|
|
2440 | # the problem is that $exit might not survive long enough |
|
|
2441 | # so it needs to be done right now, right here |
|
|
2442 | cf::sync_job { prepare_random_map $exit }; |
|
|
2443 | } |
|
|
2444 | |
|
|
2445 | my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; |
|
|
2446 | my $hp = $exit->stats->hp; |
|
|
2447 | my $sp = $exit->stats->sp; |
|
|
2448 | |
|
|
2449 | $self->enter_link; |
|
|
2450 | |
|
|
2451 | # if exit is damned, update players death & WoR home-position |
|
|
2452 | $self->contr->savebed ($slaying, $hp, $sp) |
|
|
2453 | if $exit->flag (FLAG_DAMNED); |
|
|
2454 | |
|
|
2455 | (async { |
|
|
2456 | $self->deactivate_recursive; # just to be sure |
|
|
2457 | unless (eval { |
|
|
2458 | $self->goto ($slaying, $hp, $sp); |
|
|
2459 | |
|
|
2460 | 1; |
|
|
2461 | }) { |
|
|
2462 | $self->message ("Something went wrong deep within the crossfire server. " |
|
|
2463 | . "I'll try to bring you back to the map you were before. " |
|
|
2464 | . "Please report this to the dungeon master!", |
|
|
2465 | cf::NDI_UNIQUE | cf::NDI_RED); |
|
|
2466 | |
|
|
2467 | warn "ERROR in enter_exit: $@"; |
|
|
2468 | $self->leave_link; |
|
|
2469 | } |
|
|
2470 | })->prio (1); |
|
|
2471 | } |
|
|
2472 | |
|
|
2473 | =head3 cf::client |
|
|
2474 | |
|
|
2475 | =over 4 |
|
|
2476 | |
|
|
2477 | =item $client->send_drawinfo ($text, $flags) |
|
|
2478 | |
|
|
2479 | Sends a drawinfo packet to the client. Circumvents output buffering so |
|
|
2480 | should not be used under normal circumstances. |
|
|
2481 | |
|
|
2482 | =cut |
|
|
2483 | |
|
|
2484 | sub cf::client::send_drawinfo { |
|
|
2485 | my ($self, $text, $flags) = @_; |
|
|
2486 | |
|
|
2487 | utf8::encode $text; |
|
|
2488 | $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); |
|
|
2489 | } |
|
|
2490 | |
|
|
2491 | =item $client->send_msg ($channel, $msg, $color, [extra...]) |
|
|
2492 | |
|
|
2493 | Send a drawinfo or msg packet to the client, formatting the msg for the |
|
|
2494 | client if neccessary. C<$type> should be a string identifying the type of |
|
|
2495 | the message, with C<log> being the default. If C<$color> is negative, suppress |
|
|
2496 | the message unless the client supports the msg packet. |
|
|
2497 | |
|
|
2498 | =cut |
|
|
2499 | |
|
|
2500 | sub cf::client::send_msg { |
|
|
2501 | my ($self, $channel, $msg, $color, @extra) = @_; |
|
|
2502 | |
|
|
2503 | $msg = $self->pl->expand_cfpod ($msg); |
|
|
2504 | |
|
|
2505 | $color &= ~cf::NDI_UNIQUE; # just in case... |
|
|
2506 | |
|
|
2507 | if (ref $channel) { |
|
|
2508 | # send meta info to client, if not yet sent |
|
|
2509 | unless (exists $self->{channel}{$channel->{id}}) { |
|
|
2510 | $self->{channel}{$channel->{id}} = $channel; |
|
|
2511 | $self->ext_event (channel_info => %$channel); |
|
|
2512 | } |
|
|
2513 | |
|
|
2514 | $channel = $channel->{id}; |
|
|
2515 | } |
|
|
2516 | |
|
|
2517 | return unless @extra || length $msg; |
|
|
2518 | |
|
|
2519 | if ($self->can_msg) { |
|
|
2520 | $self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra])); |
|
|
2521 | } else { |
|
|
2522 | # replace some tags by gcfclient-compatible ones |
|
|
2523 | for ($msg) { |
|
|
2524 | 1 while |
|
|
2525 | s/<b>([^<]*)<\/b>/[b]${1}[\/b]/ |
|
|
2526 | || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/ |
|
|
2527 | || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/ |
|
|
2528 | || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/ |
|
|
2529 | || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/; |
|
|
2530 | } |
|
|
2531 | |
|
|
2532 | if ($color >= 0) { |
|
|
2533 | if (0 && $msg =~ /\[/) { |
|
|
2534 | $self->send_packet ("drawextinfo $color 4 0 $msg") |
|
|
2535 | } else { |
|
|
2536 | $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g; |
|
|
2537 | $self->send_packet ("drawinfo $color $msg") |
|
|
2538 | } |
|
|
2539 | } |
|
|
2540 | } |
|
|
2541 | } |
|
|
2542 | |
|
|
2543 | =item $client->ext_event ($type, %msg) |
|
|
2544 | |
444 | Sends an ext reply to the player. |
2545 | Sends an ext event to the client. |
445 | |
2546 | |
446 | =cut |
2547 | =cut |
447 | |
2548 | |
448 | sub cf::player::ext_reply($$$%) { |
2549 | sub cf::client::ext_event($$%) { |
449 | my ($self, $id, %msg) = @_; |
2550 | my ($self, $type, %msg) = @_; |
450 | |
2551 | |
451 | $msg{msgid} = $id; |
2552 | return unless $self->extcmd; |
452 | |
2553 | |
453 | $self->send ("ext " . to_json \%msg); |
2554 | $msg{msgtype} = "event_$type"; |
|
|
2555 | $self->send_packet ("ext " . $self->{json_coder}->encode (\%msg)); |
454 | } |
2556 | } |
455 | |
2557 | |
456 | ############################################################################# |
2558 | =item $success = $client->query ($flags, "text", \&cb) |
457 | # map scripting support |
|
|
458 | |
2559 | |
|
|
2560 | Queues a query to the client, calling the given callback with |
|
|
2561 | the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, |
|
|
2562 | C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. |
|
|
2563 | |
|
|
2564 | Queries can fail, so check the return code. Or don't, as queries will |
|
|
2565 | become reliable at some point in the future. |
|
|
2566 | |
|
|
2567 | =cut |
|
|
2568 | |
|
|
2569 | sub cf::client::query { |
|
|
2570 | my ($self, $flags, $text, $cb) = @_; |
|
|
2571 | |
|
|
2572 | return unless $self->state == ST_PLAYING |
|
|
2573 | || $self->state == ST_SETUP |
|
|
2574 | || $self->state == ST_CUSTOM; |
|
|
2575 | |
|
|
2576 | $self->state (ST_CUSTOM); |
|
|
2577 | |
|
|
2578 | utf8::encode $text; |
|
|
2579 | push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; |
|
|
2580 | |
|
|
2581 | $self->send_packet ($self->{query_queue}[0][0]) |
|
|
2582 | if @{ $self->{query_queue} } == 1; |
|
|
2583 | |
|
|
2584 | 1 |
|
|
2585 | } |
|
|
2586 | |
|
|
2587 | cf::client->attach ( |
|
|
2588 | on_connect => sub { |
|
|
2589 | my ($ns) = @_; |
|
|
2590 | |
|
|
2591 | $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed; |
|
|
2592 | }, |
|
|
2593 | on_reply => sub { |
|
|
2594 | my ($ns, $msg) = @_; |
|
|
2595 | |
|
|
2596 | # this weird shuffling is so that direct followup queries |
|
|
2597 | # get handled first |
|
|
2598 | my $queue = delete $ns->{query_queue} |
|
|
2599 | or return; # be conservative, not sure how that can happen, but we saw a crash here |
|
|
2600 | |
|
|
2601 | (shift @$queue)->[1]->($msg); |
|
|
2602 | return unless $ns->valid; # temporary(?) workaround for callback destroying socket |
|
|
2603 | |
|
|
2604 | push @{ $ns->{query_queue} }, @$queue; |
|
|
2605 | |
|
|
2606 | if (@{ $ns->{query_queue} } == @$queue) { |
|
|
2607 | if (@$queue) { |
|
|
2608 | $ns->send_packet ($ns->{query_queue}[0][0]); |
|
|
2609 | } else { |
|
|
2610 | $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; |
|
|
2611 | } |
|
|
2612 | } |
|
|
2613 | }, |
|
|
2614 | on_exticmd => sub { |
|
|
2615 | my ($ns, $buf) = @_; |
|
|
2616 | |
|
|
2617 | my $msg = eval { $ns->{json_coder}->decode ($buf) }; |
|
|
2618 | |
|
|
2619 | if (ref $msg) { |
|
|
2620 | if (my $cb = $EXTICMD{$msg->{msgtype}}) { |
|
|
2621 | if (my %reply = $cb->($ns, $msg)) { |
|
|
2622 | $reply{msgid} = $msg->{msgid}; |
|
|
2623 | $ns->send ("ext " . $ns->{json_coder}->encode (\%reply)); |
|
|
2624 | } |
|
|
2625 | } |
|
|
2626 | } else { |
|
|
2627 | warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n"; |
|
|
2628 | } |
|
|
2629 | |
|
|
2630 | cf::override; |
|
|
2631 | }, |
|
|
2632 | ); |
|
|
2633 | |
|
|
2634 | =item $client->async (\&cb) |
|
|
2635 | |
|
|
2636 | Create a new coroutine, running the specified callback. The coroutine will |
|
|
2637 | be automatically cancelled when the client gets destroyed (e.g. on logout, |
|
|
2638 | or loss of connection). |
|
|
2639 | |
|
|
2640 | =cut |
|
|
2641 | |
|
|
2642 | sub cf::client::async { |
|
|
2643 | my ($self, $cb) = @_; |
|
|
2644 | |
|
|
2645 | my $coro = &Coro::async ($cb); |
|
|
2646 | |
|
|
2647 | $coro->on_destroy (sub { |
|
|
2648 | delete $self->{_coro}{$coro+0}; |
|
|
2649 | }); |
|
|
2650 | |
|
|
2651 | $self->{_coro}{$coro+0} = $coro; |
|
|
2652 | |
|
|
2653 | $coro |
|
|
2654 | } |
|
|
2655 | |
|
|
2656 | cf::client->attach ( |
|
|
2657 | on_destroy => sub { |
|
|
2658 | my ($ns) = @_; |
|
|
2659 | |
|
|
2660 | $_->cancel for values %{ (delete $ns->{_coro}) || {} }; |
|
|
2661 | }, |
|
|
2662 | ); |
|
|
2663 | |
|
|
2664 | =back |
|
|
2665 | |
|
|
2666 | |
|
|
2667 | =head2 SAFE SCRIPTING |
|
|
2668 | |
|
|
2669 | Functions that provide a safe environment to compile and execute |
|
|
2670 | snippets of perl code without them endangering the safety of the server |
|
|
2671 | itself. Looping constructs, I/O operators and other built-in functionality |
|
|
2672 | is not available in the safe scripting environment, and the number of |
|
|
2673 | functions and methods that can be called is greatly reduced. |
|
|
2674 | |
|
|
2675 | =cut |
|
|
2676 | |
459 | our $safe = new Safe "ext"; |
2677 | our $safe = new Safe "safe"; |
460 | our $safe_hole = new Safe::Hole; |
2678 | our $safe_hole = new Safe::Hole; |
461 | |
2679 | |
462 | $SIG{FPE} = 'IGNORE'; |
2680 | $SIG{FPE} = 'IGNORE'; |
463 | |
2681 | |
464 | $safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
2682 | $safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
465 | |
2683 | |
466 | # here we export the classes and methods available to script code |
2684 | # here we export the classes and methods available to script code |
467 | |
2685 | |
|
|
2686 | =pod |
|
|
2687 | |
|
|
2688 | The following functions and methods are available within a safe environment: |
|
|
2689 | |
|
|
2690 | cf::object |
|
|
2691 | contr pay_amount pay_player map x y force_find force_add |
|
|
2692 | insert remove |
|
|
2693 | |
|
|
2694 | cf::object::player |
|
|
2695 | player |
|
|
2696 | |
|
|
2697 | cf::player |
|
|
2698 | peaceful |
|
|
2699 | |
|
|
2700 | cf::map |
|
|
2701 | trigger |
|
|
2702 | |
|
|
2703 | =cut |
|
|
2704 | |
468 | for ( |
2705 | for ( |
469 | ["cf::object" => qw(contr pay_amount pay_player)], |
2706 | ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y |
|
|
2707 | insert remove)], |
470 | ["cf::object::player" => qw(player)], |
2708 | ["cf::object::player" => qw(player)], |
471 | ["cf::player" => qw(peaceful)], |
2709 | ["cf::player" => qw(peaceful)], |
|
|
2710 | ["cf::map" => qw(trigger)], |
472 | ) { |
2711 | ) { |
473 | no strict 'refs'; |
2712 | no strict 'refs'; |
474 | my ($pkg, @funs) = @$_; |
2713 | my ($pkg, @funs) = @$_; |
475 | *{"ext::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
2714 | *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
476 | for @funs; |
2715 | for @funs; |
477 | } |
2716 | } |
|
|
2717 | |
|
|
2718 | =over 4 |
|
|
2719 | |
|
|
2720 | =item @retval = safe_eval $code, [var => value, ...] |
|
|
2721 | |
|
|
2722 | Compiled and executes the given perl code snippet. additional var/value |
|
|
2723 | pairs result in temporary local (my) scalar variables of the given name |
|
|
2724 | that are available in the code snippet. Example: |
|
|
2725 | |
|
|
2726 | my $five = safe_eval '$first + $second', first => 1, second => 4; |
|
|
2727 | |
|
|
2728 | =cut |
478 | |
2729 | |
479 | sub safe_eval($;@) { |
2730 | sub safe_eval($;@) { |
480 | my ($code, %vars) = @_; |
2731 | my ($code, %vars) = @_; |
481 | |
2732 | |
482 | my $qcode = $code; |
2733 | my $qcode = $code; |
483 | $qcode =~ s/"/‟/g; # not allowed in #line filenames |
2734 | $qcode =~ s/"/‟/g; # not allowed in #line filenames |
484 | $qcode =~ s/\n/\\n/g; |
2735 | $qcode =~ s/\n/\\n/g; |
485 | |
2736 | |
486 | local $_; |
2737 | local $_; |
487 | local @ext::cf::_safe_eval_args = values %vars; |
2738 | local @safe::cf::_safe_eval_args = values %vars; |
488 | |
2739 | |
489 | $code = |
2740 | my $eval = |
490 | "do {\n" |
2741 | "do {\n" |
491 | . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" |
2742 | . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" |
492 | . "#line 0 \"{$qcode}\"\n" |
2743 | . "#line 0 \"{$qcode}\"\n" |
493 | . $code |
2744 | . $code |
494 | . "\n}" |
2745 | . "\n}" |
495 | ; |
2746 | ; |
496 | |
2747 | |
497 | sub_generation_inc; |
2748 | sub_generation_inc; |
498 | my @res = wantarray ? $safe->reval ($code) : scalar $safe->reval ($code); |
2749 | my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); |
499 | sub_generation_inc; |
2750 | sub_generation_inc; |
500 | |
2751 | |
|
|
2752 | if ($@) { |
|
|
2753 | warn "$@"; |
|
|
2754 | warn "while executing safe code '$code'\n"; |
|
|
2755 | warn "with arguments " . (join " ", %vars) . "\n"; |
|
|
2756 | } |
|
|
2757 | |
501 | wantarray ? @res : $res[0] |
2758 | wantarray ? @res : $res[0] |
502 | } |
2759 | } |
|
|
2760 | |
|
|
2761 | =item cf::register_script_function $function => $cb |
|
|
2762 | |
|
|
2763 | Register a function that can be called from within map/npc scripts. The |
|
|
2764 | function should be reasonably secure and should be put into a package name |
|
|
2765 | like the extension. |
|
|
2766 | |
|
|
2767 | Example: register a function that gets called whenever a map script calls |
|
|
2768 | C<rent::overview>, as used by the C<rent> extension. |
|
|
2769 | |
|
|
2770 | cf::register_script_function "rent::overview" => sub { |
|
|
2771 | ... |
|
|
2772 | }; |
|
|
2773 | |
|
|
2774 | =cut |
503 | |
2775 | |
504 | sub register_script_function { |
2776 | sub register_script_function { |
505 | my ($fun, $cb) = @_; |
2777 | my ($fun, $cb) = @_; |
506 | |
2778 | |
507 | no strict 'refs'; |
2779 | no strict 'refs'; |
508 | *{"ext::$fun"} = $safe_hole->wrap ($cb); |
2780 | *{"safe::$fun"} = $safe_hole->wrap ($cb); |
509 | } |
2781 | } |
|
|
2782 | |
|
|
2783 | =back |
|
|
2784 | |
|
|
2785 | =cut |
510 | |
2786 | |
511 | ############################################################################# |
2787 | ############################################################################# |
512 | # initialisation |
2788 | # the server's init and main functions |
513 | |
2789 | |
514 | register "<global>", __PACKAGE__; |
2790 | sub load_facedata($) { |
|
|
2791 | my ($path) = @_; |
|
|
2792 | |
|
|
2793 | warn "loading facedata from $path\n"; |
|
|
2794 | |
|
|
2795 | my $facedata; |
|
|
2796 | 0 < aio_load $path, $facedata |
|
|
2797 | or die "$path: $!"; |
|
|
2798 | |
|
|
2799 | $facedata = Coro::Storable::thaw $facedata; |
|
|
2800 | |
|
|
2801 | $facedata->{version} == 2 |
|
|
2802 | or cf::cleanup "$path: version mismatch, cannot proceed."; |
|
|
2803 | |
|
|
2804 | { |
|
|
2805 | my $faces = $facedata->{faceinfo}; |
|
|
2806 | |
|
|
2807 | while (my ($face, $info) = each %$faces) { |
|
|
2808 | my $idx = (cf::face::find $face) || cf::face::alloc $face; |
|
|
2809 | cf::face::set_visibility $idx, $info->{visibility}; |
|
|
2810 | cf::face::set_magicmap $idx, $info->{magicmap}; |
|
|
2811 | cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; |
|
|
2812 | cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; |
|
|
2813 | |
|
|
2814 | cf::cede_to_tick; |
|
|
2815 | } |
|
|
2816 | |
|
|
2817 | while (my ($face, $info) = each %$faces) { |
|
|
2818 | next unless $info->{smooth}; |
|
|
2819 | my $idx = cf::face::find $face |
|
|
2820 | or next; |
|
|
2821 | if (my $smooth = cf::face::find $info->{smooth}) { |
|
|
2822 | cf::face::set_smooth $idx, $smooth; |
|
|
2823 | cf::face::set_smoothlevel $idx, $info->{smoothlevel}; |
|
|
2824 | } else { |
|
|
2825 | warn "smooth face '$info->{smooth}' not found for face '$face'"; |
|
|
2826 | } |
|
|
2827 | |
|
|
2828 | cf::cede_to_tick; |
|
|
2829 | } |
|
|
2830 | } |
|
|
2831 | |
|
|
2832 | { |
|
|
2833 | my $anims = $facedata->{animinfo}; |
|
|
2834 | |
|
|
2835 | while (my ($anim, $info) = each %$anims) { |
|
|
2836 | cf::anim::set $anim, $info->{frames}, $info->{facings}; |
|
|
2837 | cf::cede_to_tick; |
|
|
2838 | } |
|
|
2839 | |
|
|
2840 | cf::anim::invalidate_all; # d'oh |
|
|
2841 | } |
|
|
2842 | |
|
|
2843 | { |
|
|
2844 | # TODO: for gcfclient pleasure, we should give resources |
|
|
2845 | # that gcfclient doesn't grok a >10000 face index. |
|
|
2846 | my $res = $facedata->{resource}; |
|
|
2847 | my $enc = JSON::XS->new->utf8->canonical; |
|
|
2848 | |
|
|
2849 | while (my ($name, $info) = each %$res) { |
|
|
2850 | my $meta = $enc->encode ({ |
|
|
2851 | name => $name, |
|
|
2852 | type => $info->{type}, |
|
|
2853 | copyright => $info->{copyright}, #TODO# |
|
|
2854 | }); |
|
|
2855 | |
|
|
2856 | my $idx = (cf::face::find $name) || cf::face::alloc $name; |
|
|
2857 | |
|
|
2858 | if ($name =~ /\.jpg$/) { |
|
|
2859 | cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack |
|
|
2860 | cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack |
|
|
2861 | } else { |
|
|
2862 | my $data = pack "(w/a*)*", $meta, $info->{data}; |
|
|
2863 | my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata |
|
|
2864 | |
|
|
2865 | cf::face::set_type $idx, 1; |
|
|
2866 | cf::face::set_data $idx, 0, $data, $chk; |
|
|
2867 | } |
|
|
2868 | |
|
|
2869 | cf::cede_to_tick; |
|
|
2870 | } |
|
|
2871 | } |
|
|
2872 | |
|
|
2873 | 1 |
|
|
2874 | } |
|
|
2875 | |
|
|
2876 | sub reload_regions { |
|
|
2877 | load_resource_file "$MAPDIR/regions" |
|
|
2878 | or die "unable to load regions file\n"; |
|
|
2879 | |
|
|
2880 | for (cf::region::list) { |
|
|
2881 | $_->{match} = qr/$_->{match}/ |
|
|
2882 | if exists $_->{match}; |
|
|
2883 | } |
|
|
2884 | } |
|
|
2885 | |
|
|
2886 | sub reload_facedata { |
|
|
2887 | load_facedata "$DATADIR/facedata" |
|
|
2888 | or die "unable to load facedata\n"; |
|
|
2889 | } |
|
|
2890 | |
|
|
2891 | sub reload_archetypes { |
|
|
2892 | load_resource_file "$DATADIR/archetypes" |
|
|
2893 | or die "unable to load archetypes\n"; |
|
|
2894 | #d# NEED to laod twice to resolve forward references |
|
|
2895 | # this really needs to be done in an extra post-pass |
|
|
2896 | # (which needs to be synchronous, so solve it differently) |
|
|
2897 | load_resource_file "$DATADIR/archetypes" |
|
|
2898 | or die "unable to load archetypes\n"; |
|
|
2899 | } |
|
|
2900 | |
|
|
2901 | sub reload_treasures { |
|
|
2902 | load_resource_file "$DATADIR/treasures" |
|
|
2903 | or die "unable to load treasurelists\n"; |
|
|
2904 | } |
|
|
2905 | |
|
|
2906 | sub reload_resources { |
|
|
2907 | warn "reloading resource files...\n"; |
|
|
2908 | |
|
|
2909 | reload_regions; |
|
|
2910 | reload_facedata; |
|
|
2911 | #reload_archetypes;#d# |
|
|
2912 | reload_archetypes; |
|
|
2913 | reload_treasures; |
|
|
2914 | |
|
|
2915 | warn "finished reloading resource files\n"; |
|
|
2916 | } |
|
|
2917 | |
|
|
2918 | sub init { |
|
|
2919 | reload_resources; |
|
|
2920 | } |
|
|
2921 | |
|
|
2922 | sub cfg_load { |
|
|
2923 | open my $fh, "<:utf8", "$CONFDIR/config" |
|
|
2924 | or return; |
|
|
2925 | |
|
|
2926 | local $/; |
|
|
2927 | *CFG = YAML::Syck::Load <$fh>; |
|
|
2928 | |
|
|
2929 | $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; |
|
|
2930 | |
|
|
2931 | $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; |
|
|
2932 | $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; |
|
|
2933 | |
|
|
2934 | if (exists $CFG{mlockall}) { |
|
|
2935 | eval { |
|
|
2936 | $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" |
|
|
2937 | and die "WARNING: m(un)lockall failed: $!\n"; |
|
|
2938 | }; |
|
|
2939 | warn $@ if $@; |
|
|
2940 | } |
|
|
2941 | } |
|
|
2942 | |
|
|
2943 | sub main { |
|
|
2944 | # we must not ever block the main coroutine |
|
|
2945 | local $Coro::idle = sub { |
|
|
2946 | Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# |
|
|
2947 | (async { |
|
|
2948 | Event::one_event; |
|
|
2949 | })->prio (Coro::PRIO_MAX); |
|
|
2950 | }; |
|
|
2951 | |
|
|
2952 | cfg_load; |
|
|
2953 | db_init; |
|
|
2954 | load_extensions; |
|
|
2955 | |
|
|
2956 | $TICK_WATCHER->start; |
|
|
2957 | Event::loop; |
|
|
2958 | } |
|
|
2959 | |
|
|
2960 | ############################################################################# |
|
|
2961 | # initialisation and cleanup |
|
|
2962 | |
|
|
2963 | # install some emergency cleanup handlers |
|
|
2964 | BEGIN { |
|
|
2965 | for my $signal (qw(INT HUP TERM)) { |
|
|
2966 | Event->signal ( |
|
|
2967 | reentrant => 0, |
|
|
2968 | data => WF_AUTOCANCEL, |
|
|
2969 | signal => $signal, |
|
|
2970 | prio => 0, |
|
|
2971 | cb => sub { |
|
|
2972 | cf::cleanup "SIG$signal"; |
|
|
2973 | }, |
|
|
2974 | ); |
|
|
2975 | } |
|
|
2976 | } |
|
|
2977 | |
|
|
2978 | sub write_runtime { |
|
|
2979 | my $runtime = "$LOCALDIR/runtime"; |
|
|
2980 | |
|
|
2981 | # first touch the runtime file to show we are still running: |
|
|
2982 | # the fsync below can take a very very long time. |
|
|
2983 | |
|
|
2984 | IO::AIO::aio_utime $runtime, undef, undef; |
|
|
2985 | |
|
|
2986 | my $guard = cf::lock_acquire "write_runtime"; |
|
|
2987 | |
|
|
2988 | my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 |
|
|
2989 | or return; |
|
|
2990 | |
|
|
2991 | my $value = $cf::RUNTIME + 90 + 10; |
|
|
2992 | # 10 is the runtime save interval, for a monotonic clock |
|
|
2993 | # 60 allows for the watchdog to kill the server. |
|
|
2994 | |
|
|
2995 | (aio_write $fh, 0, (length $value), $value, 0) <= 0 |
|
|
2996 | and return; |
|
|
2997 | |
|
|
2998 | # always fsync - this file is important |
|
|
2999 | aio_fsync $fh |
|
|
3000 | and return; |
|
|
3001 | |
|
|
3002 | # touch it again to show we are up-to-date |
|
|
3003 | aio_utime $fh, undef, undef; |
|
|
3004 | |
|
|
3005 | close $fh |
|
|
3006 | or return; |
|
|
3007 | |
|
|
3008 | aio_rename "$runtime~", $runtime |
|
|
3009 | and return; |
|
|
3010 | |
|
|
3011 | warn "runtime file written.\n"; |
|
|
3012 | |
|
|
3013 | 1 |
|
|
3014 | } |
|
|
3015 | |
|
|
3016 | sub emergency_save() { |
|
|
3017 | my $freeze_guard = cf::freeze_mainloop; |
|
|
3018 | |
|
|
3019 | warn "enter emergency perl save\n"; |
|
|
3020 | |
|
|
3021 | cf::sync_job { |
|
|
3022 | # use a peculiar iteration method to avoid tripping on perl |
|
|
3023 | # refcount bugs in for. also avoids problems with players |
|
|
3024 | # and maps saved/destroyed asynchronously. |
|
|
3025 | warn "begin emergency player save\n"; |
|
|
3026 | for my $login (keys %cf::PLAYER) { |
|
|
3027 | my $pl = $cf::PLAYER{$login} or next; |
|
|
3028 | $pl->valid or next; |
|
|
3029 | $pl->save; |
|
|
3030 | } |
|
|
3031 | warn "end emergency player save\n"; |
|
|
3032 | |
|
|
3033 | warn "begin emergency map save\n"; |
|
|
3034 | for my $path (keys %cf::MAP) { |
|
|
3035 | my $map = $cf::MAP{$path} or next; |
|
|
3036 | $map->valid or next; |
|
|
3037 | $map->save; |
|
|
3038 | } |
|
|
3039 | warn "end emergency map save\n"; |
|
|
3040 | |
|
|
3041 | warn "begin emergency database checkpoint\n"; |
|
|
3042 | BDB::db_env_txn_checkpoint $DB_ENV; |
|
|
3043 | warn "end emergency database checkpoint\n"; |
|
|
3044 | }; |
|
|
3045 | |
|
|
3046 | warn "leave emergency perl save\n"; |
|
|
3047 | } |
|
|
3048 | |
|
|
3049 | sub post_cleanup { |
|
|
3050 | my ($make_core) = @_; |
|
|
3051 | |
|
|
3052 | warn Carp::longmess "post_cleanup backtrace" |
|
|
3053 | if $make_core; |
|
|
3054 | } |
|
|
3055 | |
|
|
3056 | sub do_reload_perl() { |
|
|
3057 | # can/must only be called in main |
|
|
3058 | if ($Coro::current != $Coro::main) { |
|
|
3059 | warn "can only reload from main coroutine"; |
|
|
3060 | return; |
|
|
3061 | } |
|
|
3062 | |
|
|
3063 | warn "reloading..."; |
|
|
3064 | |
|
|
3065 | warn "entering sync_job"; |
|
|
3066 | |
|
|
3067 | cf::sync_job { |
|
|
3068 | cf::write_runtime; # external watchdog should not bark |
|
|
3069 | cf::emergency_save; |
|
|
3070 | cf::write_runtime; # external watchdog should not bark |
|
|
3071 | |
|
|
3072 | warn "syncing database to disk"; |
|
|
3073 | BDB::db_env_txn_checkpoint $DB_ENV; |
|
|
3074 | |
|
|
3075 | # if anything goes wrong in here, we should simply crash as we already saved |
|
|
3076 | |
|
|
3077 | warn "cancelling all WF_AUTOCANCEL watchers"; |
|
|
3078 | for (Event::all_watchers) { |
|
|
3079 | $_->cancel if $_->data & WF_AUTOCANCEL; |
|
|
3080 | } |
|
|
3081 | |
|
|
3082 | warn "flushing outstanding aio requests"; |
|
|
3083 | for (;;) { |
|
|
3084 | BDB::flush; |
|
|
3085 | IO::AIO::flush; |
|
|
3086 | Coro::cede; |
|
|
3087 | last unless IO::AIO::nreqs || BDB::nreqs; |
|
|
3088 | warn "iterate..."; |
|
|
3089 | } |
|
|
3090 | |
|
|
3091 | ++$RELOAD; |
|
|
3092 | |
|
|
3093 | warn "cancelling all extension coros"; |
|
|
3094 | $_->cancel for values %EXT_CORO; |
|
|
3095 | %EXT_CORO = (); |
|
|
3096 | |
|
|
3097 | warn "removing commands"; |
|
|
3098 | %COMMAND = (); |
|
|
3099 | |
|
|
3100 | warn "removing ext/exti commands"; |
|
|
3101 | %EXTCMD = (); |
|
|
3102 | %EXTICMD = (); |
|
|
3103 | |
|
|
3104 | warn "unloading/nuking all extensions"; |
|
|
3105 | for my $pkg (@EXTS) { |
|
|
3106 | warn "... unloading $pkg"; |
|
|
3107 | |
|
|
3108 | if (my $cb = $pkg->can ("unload")) { |
|
|
3109 | eval { |
|
|
3110 | $cb->($pkg); |
|
|
3111 | 1 |
|
|
3112 | } or warn "$pkg unloaded, but with errors: $@"; |
|
|
3113 | } |
|
|
3114 | |
|
|
3115 | warn "... nuking $pkg"; |
|
|
3116 | Symbol::delete_package $pkg; |
|
|
3117 | } |
|
|
3118 | |
|
|
3119 | warn "unloading all perl modules loaded from $LIBDIR"; |
|
|
3120 | while (my ($k, $v) = each %INC) { |
|
|
3121 | next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
|
|
3122 | |
|
|
3123 | warn "... unloading $k"; |
|
|
3124 | delete $INC{$k}; |
|
|
3125 | |
|
|
3126 | $k =~ s/\.pm$//; |
|
|
3127 | $k =~ s/\//::/g; |
|
|
3128 | |
|
|
3129 | if (my $cb = $k->can ("unload_module")) { |
|
|
3130 | $cb->(); |
|
|
3131 | } |
|
|
3132 | |
|
|
3133 | Symbol::delete_package $k; |
|
|
3134 | } |
|
|
3135 | |
|
|
3136 | warn "getting rid of safe::, as good as possible"; |
|
|
3137 | Symbol::delete_package "safe::$_" |
|
|
3138 | for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); |
|
|
3139 | |
|
|
3140 | warn "unloading cf.pm \"a bit\""; |
|
|
3141 | delete $INC{"cf.pm"}; |
|
|
3142 | delete $INC{"cf/pod.pm"}; |
|
|
3143 | |
|
|
3144 | # don't, removes xs symbols, too, |
|
|
3145 | # and global variables created in xs |
|
|
3146 | #Symbol::delete_package __PACKAGE__; |
|
|
3147 | |
|
|
3148 | warn "unload completed, starting to reload now"; |
|
|
3149 | |
|
|
3150 | warn "reloading cf.pm"; |
|
|
3151 | require cf; |
|
|
3152 | cf::_connect_to_perl; # nominally unnecessary, but cannot hurt |
|
|
3153 | |
|
|
3154 | warn "loading config and database again"; |
|
|
3155 | cf::cfg_load; |
|
|
3156 | |
|
|
3157 | warn "loading extensions"; |
|
|
3158 | cf::load_extensions; |
|
|
3159 | |
|
|
3160 | warn "reattaching attachments to objects/players"; |
|
|
3161 | _global_reattach; # objects, sockets |
|
|
3162 | warn "reattaching attachments to maps"; |
|
|
3163 | reattach $_ for values %MAP; |
|
|
3164 | warn "reattaching attachments to players"; |
|
|
3165 | reattach $_ for values %PLAYER; |
|
|
3166 | |
|
|
3167 | warn "leaving sync_job"; |
|
|
3168 | |
|
|
3169 | 1 |
|
|
3170 | } or do { |
|
|
3171 | warn $@; |
|
|
3172 | warn "error while reloading, exiting."; |
|
|
3173 | exit 1; |
|
|
3174 | }; |
|
|
3175 | |
|
|
3176 | warn "reloaded"; |
|
|
3177 | }; |
|
|
3178 | |
|
|
3179 | our $RELOAD_WATCHER; # used only during reload |
|
|
3180 | |
|
|
3181 | sub reload_perl() { |
|
|
3182 | # doing reload synchronously and two reloads happen back-to-back, |
|
|
3183 | # coro crashes during coro_state_free->destroy here. |
|
|
3184 | |
|
|
3185 | $RELOAD_WATCHER ||= Event->timer ( |
|
|
3186 | reentrant => 0, |
|
|
3187 | after => 0, |
|
|
3188 | data => WF_AUTOCANCEL, |
|
|
3189 | cb => sub { |
|
|
3190 | do_reload_perl; |
|
|
3191 | undef $RELOAD_WATCHER; |
|
|
3192 | }, |
|
|
3193 | ); |
|
|
3194 | } |
|
|
3195 | |
|
|
3196 | register_command "reload" => sub { |
|
|
3197 | my ($who, $arg) = @_; |
|
|
3198 | |
|
|
3199 | if ($who->flag (FLAG_WIZ)) { |
|
|
3200 | $who->message ("reloading server."); |
|
|
3201 | async { reload_perl }; |
|
|
3202 | } |
|
|
3203 | }; |
515 | |
3204 | |
516 | unshift @INC, $LIBDIR; |
3205 | unshift @INC, $LIBDIR; |
517 | |
3206 | |
518 | load_extensions; |
3207 | my $bug_warning = 0; |
|
|
3208 | |
|
|
3209 | our @WAIT_FOR_TICK; |
|
|
3210 | our @WAIT_FOR_TICK_BEGIN; |
|
|
3211 | |
|
|
3212 | sub wait_for_tick { |
|
|
3213 | return unless $TICK_WATCHER->is_active; |
|
|
3214 | return if $Coro::current == $Coro::main; |
|
|
3215 | |
|
|
3216 | my $signal = new Coro::Signal; |
|
|
3217 | push @WAIT_FOR_TICK, $signal; |
|
|
3218 | $signal->wait; |
|
|
3219 | } |
|
|
3220 | |
|
|
3221 | sub wait_for_tick_begin { |
|
|
3222 | return unless $TICK_WATCHER->is_active; |
|
|
3223 | return if $Coro::current == $Coro::main; |
|
|
3224 | |
|
|
3225 | my $signal = new Coro::Signal; |
|
|
3226 | push @WAIT_FOR_TICK_BEGIN, $signal; |
|
|
3227 | $signal->wait; |
|
|
3228 | } |
|
|
3229 | |
|
|
3230 | my $min = 1e6;#d# |
|
|
3231 | my $avg = 10; |
|
|
3232 | $TICK_WATCHER = Event->timer ( |
|
|
3233 | reentrant => 0, |
|
|
3234 | parked => 1, |
|
|
3235 | prio => 0, |
|
|
3236 | at => $NEXT_TICK || $TICK, |
|
|
3237 | data => WF_AUTOCANCEL, |
|
|
3238 | cb => sub { |
|
|
3239 | if ($Coro::current != $Coro::main) { |
|
|
3240 | Carp::cluck "major BUG: server tick called outside of main coro, skipping it" |
|
|
3241 | unless ++$bug_warning > 10; |
|
|
3242 | return; |
|
|
3243 | } |
|
|
3244 | |
|
|
3245 | $NOW = $tick_start = Event::time; |
|
|
3246 | |
|
|
3247 | cf::server_tick; # one server iteration |
|
|
3248 | |
|
|
3249 | 0 && sync_job {#d# |
|
|
3250 | for(1..10) { |
|
|
3251 | my $t = Event::time; |
|
|
3252 | my $map = my $map = new_from_path cf::map "/tmp/x.map" |
|
|
3253 | or die; |
|
|
3254 | |
|
|
3255 | $map->width (50); |
|
|
3256 | $map->height (50); |
|
|
3257 | $map->alloc; |
|
|
3258 | $map->_load_objects ("/tmp/x.map", 1); |
|
|
3259 | my $t = Event::time - $t; |
|
|
3260 | |
|
|
3261 | #next unless $t < 0.0013;#d# |
|
|
3262 | if ($t < $min) { |
|
|
3263 | $min = $t; |
|
|
3264 | } |
|
|
3265 | $avg = $avg * 0.99 + $t * 0.01; |
|
|
3266 | } |
|
|
3267 | warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d# |
|
|
3268 | exit 0; |
|
|
3269 | # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477 |
|
|
3270 | }; |
|
|
3271 | |
|
|
3272 | $RUNTIME += $TICK; |
|
|
3273 | $NEXT_TICK += $TICK; |
|
|
3274 | |
|
|
3275 | if ($NOW >= $NEXT_RUNTIME_WRITE) { |
|
|
3276 | $NEXT_RUNTIME_WRITE = $NOW + 10; |
|
|
3277 | Coro::async_pool { |
|
|
3278 | write_runtime |
|
|
3279 | or warn "ERROR: unable to write runtime file: $!"; |
|
|
3280 | }; |
|
|
3281 | } |
|
|
3282 | |
|
|
3283 | # my $AFTER = Event::time; |
|
|
3284 | # warn $AFTER - $NOW;#d# |
|
|
3285 | |
|
|
3286 | if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { |
|
|
3287 | $sig->send; |
|
|
3288 | } |
|
|
3289 | while (my $sig = shift @WAIT_FOR_TICK) { |
|
|
3290 | $sig->send; |
|
|
3291 | } |
|
|
3292 | |
|
|
3293 | $NOW = Event::time; |
|
|
3294 | |
|
|
3295 | # if we are delayed by four ticks or more, skip them all |
|
|
3296 | $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4; |
|
|
3297 | |
|
|
3298 | $TICK_WATCHER->at ($NEXT_TICK); |
|
|
3299 | $TICK_WATCHER->start; |
|
|
3300 | |
|
|
3301 | $LOAD = ($NOW - $tick_start) / $TICK; |
|
|
3302 | $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; |
|
|
3303 | |
|
|
3304 | _post_tick; |
|
|
3305 | |
|
|
3306 | |
|
|
3307 | }, |
|
|
3308 | ); |
|
|
3309 | |
|
|
3310 | { |
|
|
3311 | BDB::max_poll_time $TICK * 0.1; |
|
|
3312 | $BDB_POLL_WATCHER = Event->io ( |
|
|
3313 | reentrant => 0, |
|
|
3314 | fd => BDB::poll_fileno, |
|
|
3315 | poll => 'r', |
|
|
3316 | prio => 0, |
|
|
3317 | data => WF_AUTOCANCEL, |
|
|
3318 | cb => \&BDB::poll_cb, |
|
|
3319 | ); |
|
|
3320 | BDB::min_parallel 8; |
|
|
3321 | |
|
|
3322 | BDB::set_sync_prepare { |
|
|
3323 | my $status; |
|
|
3324 | my $current = $Coro::current; |
|
|
3325 | ( |
|
|
3326 | sub { |
|
|
3327 | $status = $!; |
|
|
3328 | $current->ready; undef $current; |
|
|
3329 | }, |
|
|
3330 | sub { |
|
|
3331 | Coro::schedule while defined $current; |
|
|
3332 | $! = $status; |
|
|
3333 | }, |
|
|
3334 | ) |
|
|
3335 | }; |
|
|
3336 | |
|
|
3337 | unless ($DB_ENV) { |
|
|
3338 | $DB_ENV = BDB::db_env_create; |
|
|
3339 | |
|
|
3340 | cf::sync_job { |
|
|
3341 | eval { |
|
|
3342 | BDB::db_env_open |
|
|
3343 | $DB_ENV, |
|
|
3344 | $BDBDIR, |
|
|
3345 | BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN |
|
|
3346 | | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, |
|
|
3347 | 0666; |
|
|
3348 | |
|
|
3349 | cf::cleanup "db_env_open($BDBDIR): $!" if $!; |
|
|
3350 | |
|
|
3351 | $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); |
|
|
3352 | $DB_ENV->set_lk_detect; |
|
|
3353 | }; |
|
|
3354 | |
|
|
3355 | cf::cleanup "db_env_open(db): $@" if $@; |
|
|
3356 | }; |
|
|
3357 | } |
|
|
3358 | } |
|
|
3359 | |
|
|
3360 | { |
|
|
3361 | IO::AIO::min_parallel 8; |
|
|
3362 | |
|
|
3363 | undef $Coro::AIO::WATCHER; |
|
|
3364 | IO::AIO::max_poll_time $TICK * 0.1; |
|
|
3365 | $AIO_POLL_WATCHER = Event->io ( |
|
|
3366 | reentrant => 0, |
|
|
3367 | data => WF_AUTOCANCEL, |
|
|
3368 | fd => IO::AIO::poll_fileno, |
|
|
3369 | poll => 'r', |
|
|
3370 | prio => 6, |
|
|
3371 | cb => \&IO::AIO::poll_cb, |
|
|
3372 | ); |
|
|
3373 | } |
|
|
3374 | |
|
|
3375 | my $_log_backtrace; |
|
|
3376 | |
|
|
3377 | sub _log_backtrace { |
|
|
3378 | my ($msg, @addr) = @_; |
|
|
3379 | |
|
|
3380 | $msg =~ s/\n//; |
|
|
3381 | |
|
|
3382 | # limit the # of concurrent backtraces |
|
|
3383 | if ($_log_backtrace < 2) { |
|
|
3384 | ++$_log_backtrace; |
|
|
3385 | async { |
|
|
3386 | my @bt = fork_call { |
|
|
3387 | @addr = map { sprintf "%x", $_ } @addr; |
|
|
3388 | my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; |
|
|
3389 | open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" |
|
|
3390 | or die "addr2line: $!"; |
|
|
3391 | |
|
|
3392 | my @funcs; |
|
|
3393 | my @res = <$fh>; |
|
|
3394 | chomp for @res; |
|
|
3395 | while (@res) { |
|
|
3396 | my ($func, $line) = splice @res, 0, 2, (); |
|
|
3397 | push @funcs, "[$func] $line"; |
|
|
3398 | } |
|
|
3399 | |
|
|
3400 | @funcs |
|
|
3401 | }; |
|
|
3402 | |
|
|
3403 | LOG llevInfo, "[ABT] $msg\n"; |
|
|
3404 | LOG llevInfo, "[ABT] $_\n" for @bt; |
|
|
3405 | --$_log_backtrace; |
|
|
3406 | }; |
|
|
3407 | } else { |
|
|
3408 | LOG llevInfo, "[ABT] $msg\n"; |
|
|
3409 | LOG llevInfo, "[ABT] [suppressed]\n"; |
|
|
3410 | } |
|
|
3411 | } |
|
|
3412 | |
|
|
3413 | # load additional modules |
|
|
3414 | use cf::pod; |
|
|
3415 | |
|
|
3416 | END { cf::emergency_save } |
519 | |
3417 | |
520 | 1 |
3418 | 1 |
521 | |
3419 | |