1 | package cf; |
1 | package cf; |
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2 | |
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3 | use utf8; |
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4 | use strict; |
2 | |
5 | |
3 | use Symbol; |
6 | use Symbol; |
4 | use List::Util; |
7 | use List::Util; |
5 | use Storable; |
8 | use Storable; |
6 | use Opcode; |
9 | use Opcode; |
7 | use Safe; |
10 | use Safe; |
8 | use Safe::Hole; |
11 | use Safe::Hole; |
9 | |
12 | |
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13 | use Coro 3.5 (); |
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14 | use Coro::Event; |
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15 | use Coro::Timer; |
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16 | use Coro::Signal; |
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17 | use Coro::Semaphore; |
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18 | use Coro::AIO; |
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19 | |
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20 | use Data::Dumper; |
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21 | use Digest::MD5; |
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22 | use Fcntl; |
10 | use IO::AIO (); |
23 | use IO::AIO 2.32 (); |
11 | use YAML::Syck (); |
24 | use YAML::Syck (); |
12 | use Time::HiRes; |
25 | use Time::HiRes; |
13 | use Event; |
26 | |
14 | $Event::Eval = 1; # no idea why this is required, but it is |
27 | use Event; $Event::Eval = 1; # no idea why this is required, but it is |
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28 | |
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29 | sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload |
15 | |
30 | |
16 | # work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? |
31 | # work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? |
17 | $YAML::Syck::ImplicitUnicode = 1; |
32 | $YAML::Syck::ImplicitUnicode = 1; |
18 | |
33 | |
19 | use strict; |
34 | $Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority |
20 | |
35 | |
21 | _init_vars; |
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22 | |
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23 | our %COMMAND = (); |
36 | our %COMMAND = (); |
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37 | our %COMMAND_TIME = (); |
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38 | |
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39 | our @EXTS = (); # list of extension package names |
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40 | our %EXTCMD = (); |
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41 | our %EXT_CORO = (); # coroutines bound to extensions |
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42 | our %EXT_MAP = (); # pluggable maps |
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43 | |
24 | our @EVENT; |
44 | our @EVENT; |
25 | our $LIBDIR = maps_directory "perl"; |
45 | our $LIBDIR = datadir . "/ext"; |
26 | |
46 | |
27 | our $TICK = MAX_TIME * 1e-6; |
47 | our $TICK = MAX_TIME * 1e-6; |
28 | our $TICK_WATCHER; |
48 | our $TICK_WATCHER; |
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49 | our $AIO_POLL_WATCHER; |
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50 | our $WRITE_RUNTIME_WATCHER; |
29 | our $NEXT_TICK; |
51 | our $NEXT_TICK; |
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52 | our $NOW; |
30 | |
53 | |
31 | our %CFG; |
54 | our %CFG; |
32 | |
55 | |
33 | our $uptime; |
56 | our $UPTIME; $UPTIME ||= time; |
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57 | our $RUNTIME; |
34 | |
58 | |
35 | $uptime ||= time; |
59 | our %PLAYER; # all users |
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60 | our %MAP; # all maps |
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61 | our $LINK_MAP; # the special {link} map, which is always available |
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62 | our $RANDOM_MAPS = cf::localdir . "/random"; |
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63 | |
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64 | our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; |
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65 | our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; |
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66 | |
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67 | # used to convert map paths into valid unix filenames by replacing / by ∕ |
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68 | our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons |
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69 | |
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70 | binmode STDOUT; |
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71 | binmode STDERR; |
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72 | |
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73 | # read virtual server time, if available |
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74 | unless ($RUNTIME || !-e cf::localdir . "/runtime") { |
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75 | open my $fh, "<", cf::localdir . "/runtime" |
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76 | or die "unable to read runtime file: $!"; |
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77 | $RUNTIME = <$fh> + 0.; |
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78 | } |
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79 | |
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80 | mkdir cf::localdir; |
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81 | mkdir cf::localdir . "/" . cf::playerdir; |
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82 | mkdir cf::localdir . "/" . cf::tmpdir; |
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83 | mkdir cf::localdir . "/" . cf::uniquedir; |
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84 | mkdir $RANDOM_MAPS; |
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85 | |
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86 | our $EMERGENCY_POSITION; |
36 | |
87 | |
37 | ############################################################################# |
88 | ############################################################################# |
38 | |
89 | |
39 | =head2 GLOBAL VARIABLES |
90 | =head2 GLOBAL VARIABLES |
40 | |
91 | |
41 | =over 4 |
92 | =over 4 |
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93 | |
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94 | =item $cf::UPTIME |
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95 | |
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96 | The timestamp of the server start (so not actually an uptime). |
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97 | |
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98 | =item $cf::RUNTIME |
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99 | |
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100 | The time this server has run, starts at 0 and is increased by $cf::TICK on |
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101 | every server tick. |
42 | |
102 | |
43 | =item $cf::LIBDIR |
103 | =item $cf::LIBDIR |
44 | |
104 | |
45 | The perl library directory, where extensions and cf-specific modules can |
105 | The perl library directory, where extensions and cf-specific modules can |
46 | be found. It will be added to C<@INC> automatically. |
106 | be found. It will be added to C<@INC> automatically. |
47 | |
107 | |
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108 | =item $cf::NOW |
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109 | |
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110 | The time of the last (current) server tick. |
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111 | |
48 | =item $cf::TICK |
112 | =item $cf::TICK |
49 | |
113 | |
50 | The interval between server ticks, in seconds. |
114 | The interval between server ticks, in seconds. |
51 | |
115 | |
52 | =item %cf::CFG |
116 | =item %cf::CFG |
53 | |
117 | |
54 | Configuration for the server, loaded from C</etc/crossfire/config>, or |
118 | Configuration for the server, loaded from C</etc/crossfire/config>, or |
55 | from wherever your confdir points to. |
119 | from wherever your confdir points to. |
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120 | |
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121 | =item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE |
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122 | |
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123 | These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) |
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124 | or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick |
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125 | processing has been done. Call C<< ->wait >> on them to maximise the |
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126 | window of cpu time available, or simply to synchronise to the server tick. |
56 | |
127 | |
57 | =back |
128 | =back |
58 | |
129 | |
59 | =cut |
130 | =cut |
60 | |
131 | |
61 | BEGIN { |
132 | BEGIN { |
62 | *CORE::GLOBAL::warn = sub { |
133 | *CORE::GLOBAL::warn = sub { |
63 | my $msg = join "", @_; |
134 | my $msg = join "", @_; |
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135 | utf8::encode $msg; |
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136 | |
64 | $msg .= "\n" |
137 | $msg .= "\n" |
65 | unless $msg =~ /\n$/; |
138 | unless $msg =~ /\n$/; |
66 | |
139 | |
67 | print STDERR "cfperl: $msg"; |
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68 | LOG llevError, "cfperl: $msg"; |
140 | LOG llevError, $msg; |
69 | }; |
141 | }; |
70 | } |
142 | } |
71 | |
143 | |
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144 | @safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; |
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145 | @safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; |
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146 | @safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; |
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147 | @safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; |
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148 | @safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; |
72 | @safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
149 | @safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
73 | |
150 | |
74 | # we bless all objects into (empty) derived classes to force a method lookup |
151 | # we bless all objects into (empty) derived classes to force a method lookup |
75 | # within the Safe compartment. |
152 | # within the Safe compartment. |
76 | for my $pkg (qw(cf::object cf::object::player cf::player cf::map cf::party cf::region cf::arch cf::living)) { |
153 | for my $pkg (qw( |
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154 | cf::global cf::attachable |
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155 | cf::object cf::object::player |
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156 | cf::client cf::player |
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157 | cf::arch cf::living |
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158 | cf::map cf::party cf::region |
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159 | )) { |
77 | no strict 'refs'; |
160 | no strict 'refs'; |
78 | @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
161 | @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
79 | } |
162 | } |
80 | |
163 | |
81 | $Event::DIED = sub { |
164 | $Event::DIED = sub { |
82 | warn "error in event callback: @_"; |
165 | warn "error in event callback: @_"; |
83 | }; |
166 | }; |
84 | |
167 | |
85 | my %ext_pkg; |
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86 | my @exts; |
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87 | my @hook; |
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88 | my %command; |
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89 | my %extcmd; |
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90 | |
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91 | =head2 UTILITY FUNCTIONS |
168 | =head2 UTILITY FUNCTIONS |
92 | |
169 | |
93 | =over 4 |
170 | =over 4 |
94 | |
171 | |
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172 | =item dumpval $ref |
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173 | |
95 | =cut |
174 | =cut |
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175 | |
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176 | sub dumpval { |
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177 | eval { |
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178 | local $SIG{__DIE__}; |
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179 | my $d; |
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180 | if (1) { |
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181 | $d = new Data::Dumper([$_[0]], ["*var"]); |
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182 | $d->Terse(1); |
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183 | $d->Indent(2); |
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184 | $d->Quotekeys(0); |
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185 | $d->Useqq(1); |
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186 | #$d->Bless(...); |
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187 | $d->Seen($_[1]) if @_ > 1; |
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188 | $d = $d->Dump(); |
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189 | } |
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190 | $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; |
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191 | $d |
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192 | } || "[unable to dump $_[0]: '$@']"; |
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193 | } |
96 | |
194 | |
97 | use JSON::Syck (); # TODO# replace by JSON::PC once working |
195 | use JSON::Syck (); # TODO# replace by JSON::PC once working |
98 | |
196 | |
99 | =item $ref = cf::from_json $json |
197 | =item $ref = cf::from_json $json |
100 | |
198 | |
… | |
… | |
116 | sub to_json($) { |
214 | sub to_json($) { |
117 | $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
215 | $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
118 | JSON::Syck::Dump $_[0] |
216 | JSON::Syck::Dump $_[0] |
119 | } |
217 | } |
120 | |
218 | |
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219 | =item cf::lock_wait $string |
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220 | |
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221 | Wait until the given lock is available. See cf::lock_acquire. |
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222 | |
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223 | =item my $lock = cf::lock_acquire $string |
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224 | |
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225 | Wait until the given lock is available and then acquires it and returns |
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226 | a Coro::guard object. If the guard object gets destroyed (goes out of scope, |
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227 | for example when the coroutine gets canceled), the lock is automatically |
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228 | returned. |
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229 | |
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230 | Lock names should begin with a unique identifier (for example, cf::map::find |
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231 | uses map_find and cf::map::load uses map_load). |
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232 | |
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233 | =cut |
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234 | |
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235 | our %LOCK; |
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236 | |
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237 | sub lock_wait($) { |
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238 | my ($key) = @_; |
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239 | |
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240 | # wait for lock, if any |
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241 | while ($LOCK{$key}) { |
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242 | push @{ $LOCK{$key} }, $Coro::current; |
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243 | Coro::schedule; |
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244 | } |
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245 | } |
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246 | |
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247 | sub lock_acquire($) { |
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248 | my ($key) = @_; |
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249 | |
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250 | # wait, to be sure we are not locked |
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251 | lock_wait $key; |
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252 | |
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253 | $LOCK{$key} = []; |
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254 | |
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255 | Coro::guard { |
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256 | # wake up all waiters, to be on the safe side |
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257 | $_->ready for @{ delete $LOCK{$key} }; |
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258 | } |
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259 | } |
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260 | |
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261 | sub freeze_mainloop { |
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262 | return unless $TICK_WATCHER->is_active; |
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263 | |
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264 | my $guard = Coro::guard { |
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265 | $TICK_WATCHER->start; |
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266 | $WRITE_RUNTIME_WATCHER->start; |
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267 | }; |
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268 | $WRITE_RUNTIME_WATCHER->stop; |
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269 | $TICK_WATCHER->stop; |
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270 | $guard |
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271 | } |
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272 | |
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273 | =item cf::async { BLOCK } |
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274 | |
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275 | Currently the same as Coro::async_pool, meaning you cannot use |
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276 | C<on_destroy>, C<join> or other gimmicks on these coroutines. The only |
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277 | thing you are allowed to do is call C<prio> on it. |
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278 | |
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279 | =cut |
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280 | |
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281 | BEGIN { *async = \&Coro::async_pool } |
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282 | |
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283 | =item cf::sync_job { BLOCK } |
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284 | |
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285 | The design of crossfire+ requires that the main coro ($Coro::main) is |
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286 | always able to handle events or runnable, as crossfire+ is only partly |
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287 | reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. |
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288 | |
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289 | If it must be done, put the blocking parts into C<sync_job>. This will run |
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290 | the given BLOCK in another coroutine while waiting for the result. The |
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291 | server will be frozen during this time, so the block should either finish |
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292 | fast or be very important. |
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293 | |
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294 | =cut |
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295 | |
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296 | sub sync_job(&) { |
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297 | my ($job) = @_; |
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298 | |
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299 | if ($Coro::current == $Coro::main) { |
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300 | # this is the main coro, too bad, we have to block |
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301 | # till the operation succeeds, freezing the server :/ |
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302 | |
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303 | # TODO: use suspend/resume instead |
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304 | # (but this is cancel-safe) |
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305 | my $freeze_guard = freeze_mainloop; |
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306 | |
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307 | my $busy = 1; |
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308 | my @res; |
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309 | |
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310 | (async { |
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311 | @res = eval { $job->() }; |
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312 | warn $@ if $@; |
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313 | undef $busy; |
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314 | })->prio (Coro::PRIO_MAX); |
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315 | |
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316 | while ($busy) { |
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317 | Coro::cede or Event::one_event; |
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318 | } |
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319 | |
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320 | wantarray ? @res : $res[0] |
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321 | } else { |
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322 | # we are in another coroutine, how wonderful, everything just works |
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323 | |
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324 | $job->() |
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325 | } |
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326 | } |
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327 | |
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328 | =item $coro = cf::async_ext { BLOCK } |
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329 | |
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330 | Like async, but this coro is automatically being canceled when the |
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331 | extension calling this is being unloaded. |
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332 | |
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333 | =cut |
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334 | |
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335 | sub async_ext(&) { |
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336 | my $cb = shift; |
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337 | |
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338 | my $coro = &Coro::async ($cb); |
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339 | |
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340 | $coro->on_destroy (sub { |
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341 | delete $EXT_CORO{$coro+0}; |
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342 | }); |
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343 | $EXT_CORO{$coro+0} = $coro; |
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344 | |
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345 | $coro |
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346 | } |
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347 | |
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348 | sub write_runtime { |
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349 | my $runtime = cf::localdir . "/runtime"; |
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350 | |
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351 | my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 |
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352 | or return; |
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353 | |
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354 | my $value = $cf::RUNTIME + 90 + 10; |
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355 | # 10 is the runtime save interval, for a monotonic clock |
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356 | # 60 allows for the watchdog to kill the server. |
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357 | |
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358 | (aio_write $fh, 0, (length $value), $value, 0) <= 0 |
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359 | and return; |
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360 | |
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361 | aio_fsync $fh |
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362 | and return; |
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363 | |
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364 | close $fh |
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365 | or return; |
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366 | |
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367 | aio_rename "$runtime~", $runtime |
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368 | and return; |
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369 | |
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370 | 1 |
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371 | } |
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372 | |
121 | =back |
373 | =back |
122 | |
374 | |
123 | =cut |
375 | =cut |
124 | |
376 | |
125 | ############################################################################# |
377 | ############################################################################# |
126 | |
378 | |
127 | =head2 EVENTS AND OBJECT ATTACHMENTS |
379 | =head2 ATTACHABLE OBJECTS |
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380 | |
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381 | Many objects in crossfire are so-called attachable objects. That means you can |
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382 | attach callbacks/event handlers (a collection of which is called an "attachment") |
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383 | to it. All such attachable objects support the following methods. |
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384 | |
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385 | In the following description, CLASS can be any of C<global>, C<object> |
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386 | C<player>, C<client> or C<map> (i.e. the attachable objects in |
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387 | crossfire+). |
128 | |
388 | |
129 | =over 4 |
389 | =over 4 |
130 | |
390 | |
131 | =item $object->attach ($attachment, key => $value...) |
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132 | |
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133 | =item $object->detach ($attachment) |
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134 | |
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135 | Attach/detach a pre-registered attachment to an object. |
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136 | |
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137 | =item $player->attach ($attachment, key => $value...) |
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138 | |
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139 | =item $player->detach ($attachment) |
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140 | |
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141 | Attach/detach a pre-registered attachment to a player. |
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142 | |
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143 | =item $map->attach ($attachment, key => $value...) |
391 | =item $attachable->attach ($attachment, key => $value...) |
144 | |
392 | |
145 | =item $map->detach ($attachment) |
393 | =item $attachable->detach ($attachment) |
146 | |
394 | |
147 | Attach/detach a pre-registered attachment to a map. |
395 | Attach/detach a pre-registered attachment to a specific object and give it |
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396 | the specified key/value pairs as arguments. |
148 | |
397 | |
149 | =item $bool = $object->attached ($name) |
398 | Example, attach a minesweeper attachment to the given object, making it a |
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399 | 10x10 minesweeper game: |
150 | |
400 | |
151 | =item $bool = $player->attached ($name) |
401 | $obj->attach (minesweeper => width => 10, height => 10); |
152 | |
402 | |
153 | =item $bool = $map->attached ($name) |
403 | =item $bool = $attachable->attached ($name) |
154 | |
404 | |
155 | Checks wether the named attachment is currently attached to the object. |
405 | Checks wether the named attachment is currently attached to the object. |
156 | |
406 | |
157 | =item cf::attach_global ... |
407 | =item cf::CLASS->attach ... |
158 | |
408 | |
159 | Attach handlers for global events. |
409 | =item cf::CLASS->detach ... |
160 | |
410 | |
161 | This and all following C<attach_*>-functions expect any number of the |
411 | Define an anonymous attachment and attach it to all objects of the given |
162 | following handler/hook descriptions: |
412 | CLASS. See the next function for an explanation of its arguments. |
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413 | |
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414 | You can attach to global events by using the C<cf::global> class. |
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415 | |
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416 | Example, log all player logins: |
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417 | |
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418 | cf::player->attach ( |
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419 | on_login => sub { |
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420 | my ($pl) = @_; |
|
|
421 | ... |
|
|
422 | }, |
|
|
423 | ); |
|
|
424 | |
|
|
425 | Example, attach to the jeweler skill: |
|
|
426 | |
|
|
427 | cf::object->attach ( |
|
|
428 | type => cf::SKILL, |
|
|
429 | subtype => cf::SK_JEWELER, |
|
|
430 | on_use_skill => sub { |
|
|
431 | my ($sk, $ob, $part, $dir, $msg) = @_; |
|
|
432 | ... |
|
|
433 | }, |
|
|
434 | ); |
|
|
435 | |
|
|
436 | =item cf::CLASS::attachment $name, ... |
|
|
437 | |
|
|
438 | Register an attachment by C<$name> through which attachable objects of the |
|
|
439 | given CLASS can refer to this attachment. |
|
|
440 | |
|
|
441 | Some classes such as crossfire maps and objects can specify attachments |
|
|
442 | that are attached at load/instantiate time, thus the need for a name. |
|
|
443 | |
|
|
444 | These calls expect any number of the following handler/hook descriptions: |
163 | |
445 | |
164 | =over 4 |
446 | =over 4 |
165 | |
447 | |
166 | =item prio => $number |
448 | =item prio => $number |
167 | |
449 | |
… | |
… | |
169 | by another C<prio> setting). Lower priority handlers get executed |
451 | by another C<prio> setting). Lower priority handlers get executed |
170 | earlier. The default priority is C<0>, and many built-in handlers are |
452 | earlier. The default priority is C<0>, and many built-in handlers are |
171 | registered at priority C<-1000>, so lower priorities should not be used |
453 | registered at priority C<-1000>, so lower priorities should not be used |
172 | unless you know what you are doing. |
454 | unless you know what you are doing. |
173 | |
455 | |
|
|
456 | =item type => $type |
|
|
457 | |
|
|
458 | (Only for C<< cf::object->attach >> calls), limits the attachment to the |
|
|
459 | given type of objects only (the additional parameter C<subtype> can be |
|
|
460 | used to further limit to the given subtype). |
|
|
461 | |
174 | =item on_I<event> => \&cb |
462 | =item on_I<event> => \&cb |
175 | |
463 | |
176 | Call the given code reference whenever the named event happens (event is |
464 | Call the given code reference whenever the named event happens (event is |
177 | something like C<instantiate>, C<apply>, C<use_skill> and so on, and which |
465 | something like C<instantiate>, C<apply>, C<use_skill> and so on, and which |
178 | handlers are recognised generally depends on the type of object these |
466 | handlers are recognised generally depends on the type of object these |
… | |
… | |
187 | package and register them. Only handlers for eevents supported by the |
475 | package and register them. Only handlers for eevents supported by the |
188 | object/class are recognised. |
476 | object/class are recognised. |
189 | |
477 | |
190 | =back |
478 | =back |
191 | |
479 | |
192 | =item cf::attach_to_type $object_type, $subtype, ... |
480 | Example, define an attachment called "sockpuppet" that calls the given |
|
|
481 | event handler when a monster attacks: |
193 | |
482 | |
194 | Attach handlers for a specific object type (e.g. TRANSPORT) and |
483 | cf::object::attachment sockpuppet => |
195 | subtype. If C<$subtype> is zero or undef, matches all objects of the given |
484 | on_skill_attack => sub { |
196 | type. |
485 | my ($self, $victim) = @_; |
197 | |
486 | ... |
198 | =item cf::attach_to_objects ... |
|
|
199 | |
|
|
200 | Attach handlers to all objects. Do not use this except for debugging or |
|
|
201 | very rare events, as handlers are (obviously) called for I<all> objects in |
|
|
202 | the game. |
|
|
203 | |
|
|
204 | =item cf::attach_to_players ... |
|
|
205 | |
|
|
206 | Attach handlers to all players. |
|
|
207 | |
|
|
208 | =item cf::attach_to_maps ... |
|
|
209 | |
|
|
210 | Attach handlers to all maps. |
|
|
211 | |
|
|
212 | =item cf:register_attachment $name, ... |
|
|
213 | |
|
|
214 | Register an attachment by name through which objects can refer to this |
|
|
215 | attachment. |
|
|
216 | |
|
|
217 | =item cf:register_player_attachment $name, ... |
|
|
218 | |
|
|
219 | Register an attachment by name through which players can refer to this |
|
|
220 | attachment. |
|
|
221 | |
|
|
222 | =item cf:register_map_attachment $name, ... |
|
|
223 | |
|
|
224 | Register an attachment by name through which maps can refer to this |
|
|
225 | attachment. |
|
|
226 | |
|
|
227 | =cut |
|
|
228 | |
|
|
229 | # the following variables are defined in .xs and must not be re-created |
|
|
230 | our @CB_GLOBAL = (); # registry for all global events |
|
|
231 | our @CB_OBJECT = (); # all objects (should not be used except in emergency) |
|
|
232 | our @CB_PLAYER = (); |
|
|
233 | our @CB_TYPE = (); # registry for type (cf-object class) based events |
|
|
234 | our @CB_MAP = (); |
|
|
235 | |
|
|
236 | my %attachment; |
|
|
237 | |
|
|
238 | sub _attach_cb($\%$$$) { |
|
|
239 | my ($registry, $undo, $event, $prio, $cb) = @_; |
|
|
240 | |
|
|
241 | use sort 'stable'; |
|
|
242 | |
|
|
243 | $cb = [$prio, $cb]; |
|
|
244 | |
|
|
245 | @{$registry->[$event]} = sort |
|
|
246 | { $a->[0] cmp $b->[0] } |
|
|
247 | @{$registry->[$event] || []}, $cb; |
|
|
248 | |
|
|
249 | push @{$undo->{cb}}, [$event, $cb]; |
|
|
250 | } |
|
|
251 | |
|
|
252 | # attach handles attaching event callbacks |
|
|
253 | # the only thing the caller has to do is pass the correct |
|
|
254 | # registry (== where the callback attaches to). |
|
|
255 | sub _attach(\@$@) { |
|
|
256 | my ($registry, $klass, @arg) = @_; |
|
|
257 | |
|
|
258 | my $prio = 0; |
|
|
259 | |
|
|
260 | my %undo = ( |
|
|
261 | registry => $registry, |
|
|
262 | cb => [], |
|
|
263 | ); |
|
|
264 | |
|
|
265 | my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT; |
|
|
266 | |
|
|
267 | while (@arg) { |
|
|
268 | my $type = shift @arg; |
|
|
269 | |
|
|
270 | if ($type eq "prio") { |
|
|
271 | $prio = shift @arg; |
|
|
272 | |
|
|
273 | } elsif ($type eq "package") { |
|
|
274 | my $pkg = shift @arg; |
|
|
275 | |
|
|
276 | while (my ($name, $id) = each %cb_id) { |
|
|
277 | if (my $cb = $pkg->can ($name)) { |
|
|
278 | _attach_cb $registry, %undo, $id, $prio, $cb; |
|
|
279 | } |
|
|
280 | } |
487 | } |
281 | |
|
|
282 | } elsif (exists $cb_id{$type}) { |
|
|
283 | _attach_cb $registry, %undo, $cb_id{$type}, $prio, shift @arg; |
|
|
284 | |
|
|
285 | } elsif (ref $type) { |
|
|
286 | warn "attaching objects not supported, ignoring.\n"; |
|
|
287 | |
|
|
288 | } else { |
|
|
289 | shift @arg; |
|
|
290 | warn "attach argument '$type' not supported, ignoring.\n"; |
|
|
291 | } |
|
|
292 | } |
|
|
293 | |
|
|
294 | \%undo |
|
|
295 | } |
|
|
296 | |
|
|
297 | sub _attach_attachment { |
|
|
298 | my ($obj, $name, %arg) = @_; |
|
|
299 | |
|
|
300 | return if exists $obj->{_attachment}{$name}; |
|
|
301 | |
|
|
302 | my $res; |
|
|
303 | |
|
|
304 | if (my $attach = $attachment{$name}) { |
|
|
305 | my $registry = $obj->registry; |
|
|
306 | |
|
|
307 | for (@$attach) { |
|
|
308 | my ($klass, @attach) = @$_; |
|
|
309 | $res = _attach @$registry, $klass, @attach; |
|
|
310 | } |
|
|
311 | |
|
|
312 | $obj->{$name} = \%arg; |
|
|
313 | } else { |
|
|
314 | warn "object uses attachment '$name' that is not available, postponing.\n"; |
|
|
315 | } |
|
|
316 | |
|
|
317 | $obj->{_attachment}{$name} = undef; |
|
|
318 | |
|
|
319 | $res->{attachment} = $name; |
|
|
320 | $res |
|
|
321 | } |
|
|
322 | |
|
|
323 | *cf::object::attach = |
|
|
324 | *cf::player::attach = |
|
|
325 | *cf::map::attach = sub { |
|
|
326 | my ($obj, $name, %arg) = @_; |
|
|
327 | |
|
|
328 | _attach_attachment $obj, $name, %arg; |
|
|
329 | }; |
|
|
330 | |
|
|
331 | # all those should be optimised |
|
|
332 | *cf::object::detach = |
|
|
333 | *cf::player::detach = |
|
|
334 | *cf::map::detach = sub { |
|
|
335 | my ($obj, $name) = @_; |
|
|
336 | |
|
|
337 | delete $obj->{_attachment}{$name}; |
|
|
338 | reattach ($obj); |
|
|
339 | }; |
|
|
340 | |
|
|
341 | *cf::object::attached = |
|
|
342 | *cf::player::attached = |
|
|
343 | *cf::map::attached = sub { |
|
|
344 | my ($obj, $name) = @_; |
|
|
345 | |
|
|
346 | exists $obj->{_attachment}{$name} |
|
|
347 | }; |
|
|
348 | |
|
|
349 | sub attach_global { |
|
|
350 | _attach @CB_GLOBAL, KLASS_GLOBAL, @_ |
|
|
351 | } |
|
|
352 | |
|
|
353 | sub attach_to_type { |
|
|
354 | my $type = shift; |
|
|
355 | my $subtype = shift; |
|
|
356 | |
|
|
357 | _attach @{$CB_TYPE[$type + $subtype * NUM_SUBTYPES]}, KLASS_OBJECT, @_ |
|
|
358 | } |
|
|
359 | |
|
|
360 | sub attach_to_objects { |
|
|
361 | _attach @CB_OBJECT, KLASS_OBJECT, @_ |
|
|
362 | } |
|
|
363 | |
|
|
364 | sub attach_to_players { |
|
|
365 | _attach @CB_PLAYER, KLASS_PLAYER, @_ |
|
|
366 | } |
|
|
367 | |
|
|
368 | sub attach_to_maps { |
|
|
369 | _attach @CB_MAP, KLASS_MAP, @_ |
|
|
370 | } |
|
|
371 | |
|
|
372 | sub register_attachment { |
|
|
373 | my $name = shift; |
|
|
374 | |
|
|
375 | $attachment{$name} = [[KLASS_OBJECT, @_]]; |
|
|
376 | } |
|
|
377 | |
|
|
378 | sub register_player_attachment { |
|
|
379 | my $name = shift; |
|
|
380 | |
|
|
381 | $attachment{$name} = [[KLASS_PLAYER, @_]]; |
|
|
382 | } |
|
|
383 | |
|
|
384 | sub register_map_attachment { |
|
|
385 | my $name = shift; |
|
|
386 | |
|
|
387 | $attachment{$name} = [[KLASS_MAP, @_]]; |
|
|
388 | } |
|
|
389 | |
|
|
390 | our $override; |
|
|
391 | our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? |
|
|
392 | |
|
|
393 | sub override { |
|
|
394 | $override = 1; |
|
|
395 | @invoke_results = (); |
|
|
396 | } |
|
|
397 | |
|
|
398 | sub do_invoke { |
|
|
399 | my $event = shift; |
|
|
400 | my $callbacks = shift; |
|
|
401 | |
|
|
402 | @invoke_results = (); |
|
|
403 | |
|
|
404 | local $override; |
|
|
405 | |
|
|
406 | for (@$callbacks) { |
|
|
407 | eval { &{$_->[1]} }; |
|
|
408 | |
|
|
409 | if ($@) { |
|
|
410 | warn "$@"; |
|
|
411 | warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; |
|
|
412 | override; |
|
|
413 | } |
|
|
414 | |
|
|
415 | return 1 if $override; |
|
|
416 | } |
|
|
417 | |
|
|
418 | 0 |
488 | } |
419 | } |
|
|
420 | |
489 | |
421 | =item $bool = cf::invoke EVENT_GLOBAL_XXX, ... |
490 | =item $attachable->valid |
422 | |
|
|
423 | =item $bool = $object->invoke (EVENT_OBJECT_XXX, ...) |
|
|
424 | |
|
|
425 | =item $bool = $player->invoke (EVENT_PLAYER_XXX, ...) |
|
|
426 | |
|
|
427 | =item $bool = $map->invoke (EVENT_MAP_XXX, ...) |
|
|
428 | |
|
|
429 | Generate a global/object/player/map-specific event with the given arguments. |
|
|
430 | |
|
|
431 | This API is preliminary (most likely, the EVENT_KLASS_xxx prefix will be |
|
|
432 | removed in future versions), and there is no public API to access override |
|
|
433 | results (if you must, access C<@cf::invoke_results> directly). |
|
|
434 | |
|
|
435 | =back |
|
|
436 | |
|
|
437 | =cut |
|
|
438 | |
|
|
439 | ############################################################################# |
|
|
440 | |
|
|
441 | =head2 METHODS VALID FOR ALL CORE OBJECTS |
|
|
442 | |
|
|
443 | =over 4 |
|
|
444 | |
|
|
445 | =item $object->valid, $player->valid, $map->valid |
|
|
446 | |
491 | |
447 | Just because you have a perl object does not mean that the corresponding |
492 | Just because you have a perl object does not mean that the corresponding |
448 | C-level object still exists. If you try to access an object that has no |
493 | C-level object still exists. If you try to access an object that has no |
449 | valid C counterpart anymore you get an exception at runtime. This method |
494 | valid C counterpart anymore you get an exception at runtime. This method |
450 | can be used to test for existence of the C object part without causing an |
495 | can be used to test for existence of the C object part without causing an |
451 | exception. |
496 | exception. |
452 | |
497 | |
|
|
498 | =cut |
|
|
499 | |
|
|
500 | # the following variables are defined in .xs and must not be re-created |
|
|
501 | our @CB_GLOBAL = (); # registry for all global events |
|
|
502 | our @CB_ATTACHABLE = (); # registry for all attachables |
|
|
503 | our @CB_OBJECT = (); # all objects (should not be used except in emergency) |
|
|
504 | our @CB_PLAYER = (); |
|
|
505 | our @CB_CLIENT = (); |
|
|
506 | our @CB_TYPE = (); # registry for type (cf-object class) based events |
|
|
507 | our @CB_MAP = (); |
|
|
508 | |
|
|
509 | my %attachment; |
|
|
510 | |
|
|
511 | sub cf::attachable::thawer_merge { |
|
|
512 | # simply override everything except _meta |
|
|
513 | local $_[0]{_meta}; |
|
|
514 | %{$_[0]} = %{$_[1]}; |
|
|
515 | } |
|
|
516 | |
|
|
517 | sub _attach_cb($$$$) { |
|
|
518 | my ($registry, $event, $prio, $cb) = @_; |
|
|
519 | |
|
|
520 | use sort 'stable'; |
|
|
521 | |
|
|
522 | $cb = [$prio, $cb]; |
|
|
523 | |
|
|
524 | @{$registry->[$event]} = sort |
|
|
525 | { $a->[0] cmp $b->[0] } |
|
|
526 | @{$registry->[$event] || []}, $cb; |
|
|
527 | } |
|
|
528 | |
|
|
529 | # hack |
|
|
530 | my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP; |
|
|
531 | |
|
|
532 | # attach handles attaching event callbacks |
|
|
533 | # the only thing the caller has to do is pass the correct |
|
|
534 | # registry (== where the callback attaches to). |
|
|
535 | sub _attach { |
|
|
536 | my ($registry, $klass, @arg) = @_; |
|
|
537 | |
|
|
538 | my $object_type; |
|
|
539 | my $prio = 0; |
|
|
540 | my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT; |
|
|
541 | |
|
|
542 | #TODO: get rid of this hack |
|
|
543 | if ($attachable_klass{$klass}) { |
|
|
544 | %cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT); |
|
|
545 | } |
|
|
546 | |
|
|
547 | while (@arg) { |
|
|
548 | my $type = shift @arg; |
|
|
549 | |
|
|
550 | if ($type eq "prio") { |
|
|
551 | $prio = shift @arg; |
|
|
552 | |
|
|
553 | } elsif ($type eq "type") { |
|
|
554 | $object_type = shift @arg; |
|
|
555 | $registry = $CB_TYPE[$object_type] ||= []; |
|
|
556 | |
|
|
557 | } elsif ($type eq "subtype") { |
|
|
558 | defined $object_type or Carp::croak "subtype specified without type"; |
|
|
559 | my $object_subtype = shift @arg; |
|
|
560 | $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; |
|
|
561 | |
|
|
562 | } elsif ($type eq "package") { |
|
|
563 | my $pkg = shift @arg; |
|
|
564 | |
|
|
565 | while (my ($name, $id) = each %cb_id) { |
|
|
566 | if (my $cb = $pkg->can ($name)) { |
|
|
567 | _attach_cb $registry, $id, $prio, $cb; |
|
|
568 | } |
|
|
569 | } |
|
|
570 | |
|
|
571 | } elsif (exists $cb_id{$type}) { |
|
|
572 | _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; |
|
|
573 | |
|
|
574 | } elsif (ref $type) { |
|
|
575 | warn "attaching objects not supported, ignoring.\n"; |
|
|
576 | |
|
|
577 | } else { |
|
|
578 | shift @arg; |
|
|
579 | warn "attach argument '$type' not supported, ignoring.\n"; |
|
|
580 | } |
|
|
581 | } |
|
|
582 | } |
|
|
583 | |
|
|
584 | sub _object_attach { |
|
|
585 | my ($obj, $name, %arg) = @_; |
|
|
586 | |
|
|
587 | return if exists $obj->{_attachment}{$name}; |
|
|
588 | |
|
|
589 | if (my $attach = $attachment{$name}) { |
|
|
590 | my $registry = $obj->registry; |
|
|
591 | |
|
|
592 | for (@$attach) { |
|
|
593 | my ($klass, @attach) = @$_; |
|
|
594 | _attach $registry, $klass, @attach; |
|
|
595 | } |
|
|
596 | |
|
|
597 | $obj->{$name} = \%arg; |
|
|
598 | } else { |
|
|
599 | warn "object uses attachment '$name' that is not available, postponing.\n"; |
|
|
600 | } |
|
|
601 | |
|
|
602 | $obj->{_attachment}{$name} = undef; |
|
|
603 | } |
|
|
604 | |
|
|
605 | sub cf::attachable::attach { |
|
|
606 | if (ref $_[0]) { |
|
|
607 | _object_attach @_; |
|
|
608 | } else { |
|
|
609 | _attach shift->_attach_registry, @_; |
|
|
610 | } |
|
|
611 | }; |
|
|
612 | |
|
|
613 | # all those should be optimised |
|
|
614 | sub cf::attachable::detach { |
|
|
615 | my ($obj, $name) = @_; |
|
|
616 | |
|
|
617 | if (ref $obj) { |
|
|
618 | delete $obj->{_attachment}{$name}; |
|
|
619 | reattach ($obj); |
|
|
620 | } else { |
|
|
621 | Carp::croak "cannot, currently, detach class attachments"; |
|
|
622 | } |
|
|
623 | }; |
|
|
624 | |
|
|
625 | sub cf::attachable::attached { |
|
|
626 | my ($obj, $name) = @_; |
|
|
627 | |
|
|
628 | exists $obj->{_attachment}{$name} |
|
|
629 | } |
|
|
630 | |
|
|
631 | for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) { |
|
|
632 | eval "#line " . __LINE__ . " 'cf.pm' |
|
|
633 | sub cf::\L$klass\E::_attach_registry { |
|
|
634 | (\\\@CB_$klass, KLASS_$klass) |
|
|
635 | } |
|
|
636 | |
|
|
637 | sub cf::\L$klass\E::attachment { |
|
|
638 | my \$name = shift; |
|
|
639 | |
|
|
640 | \$attachment{\$name} = [[KLASS_$klass, \@_]]; |
|
|
641 | } |
|
|
642 | "; |
|
|
643 | die if $@; |
|
|
644 | } |
|
|
645 | |
|
|
646 | our $override; |
|
|
647 | our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? |
|
|
648 | |
|
|
649 | sub override { |
|
|
650 | $override = 1; |
|
|
651 | @invoke_results = (); |
|
|
652 | } |
|
|
653 | |
|
|
654 | sub do_invoke { |
|
|
655 | my $event = shift; |
|
|
656 | my $callbacks = shift; |
|
|
657 | |
|
|
658 | @invoke_results = (); |
|
|
659 | |
|
|
660 | local $override; |
|
|
661 | |
|
|
662 | for (@$callbacks) { |
|
|
663 | eval { &{$_->[1]} }; |
|
|
664 | |
|
|
665 | if ($@) { |
|
|
666 | warn "$@"; |
|
|
667 | warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; |
|
|
668 | override; |
|
|
669 | } |
|
|
670 | |
|
|
671 | return 1 if $override; |
|
|
672 | } |
|
|
673 | |
|
|
674 | 0 |
|
|
675 | } |
|
|
676 | |
|
|
677 | =item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) |
|
|
678 | |
|
|
679 | =item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) |
|
|
680 | |
|
|
681 | Generate an object-specific event with the given arguments. |
|
|
682 | |
|
|
683 | This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be |
|
|
684 | removed in future versions), and there is no public API to access override |
|
|
685 | results (if you must, access C<@cf::invoke_results> directly). |
|
|
686 | |
453 | =back |
687 | =back |
454 | |
688 | |
455 | =cut |
689 | =cut |
456 | |
|
|
457 | *cf::object::valid = |
|
|
458 | *cf::player::valid = |
|
|
459 | *cf::map::valid = \&cf::_valid; |
|
|
460 | |
690 | |
461 | ############################################################################# |
691 | ############################################################################# |
462 | # object support |
692 | # object support |
463 | |
693 | |
464 | sub instantiate { |
|
|
465 | my ($obj, $data) = @_; |
|
|
466 | |
|
|
467 | $data = from_json $data; |
|
|
468 | |
|
|
469 | for (@$data) { |
|
|
470 | my ($name, $args) = @$_; |
|
|
471 | |
|
|
472 | $obj->attach ($name, %{$args || {} }); |
|
|
473 | } |
|
|
474 | } |
|
|
475 | |
|
|
476 | # basically do the same as instantiate, without calling instantiate |
|
|
477 | sub reattach { |
694 | sub reattach { |
|
|
695 | # basically do the same as instantiate, without calling instantiate |
478 | my ($obj) = @_; |
696 | my ($obj) = @_; |
|
|
697 | |
|
|
698 | bless $obj, ref $obj; # re-bless in case extensions have been reloaded |
|
|
699 | |
479 | my $registry = $obj->registry; |
700 | my $registry = $obj->registry; |
480 | |
701 | |
481 | @$registry = (); |
702 | @$registry = (); |
482 | |
703 | |
483 | delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} }; |
704 | delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} }; |
484 | |
705 | |
485 | for my $name (keys %{ $obj->{_attachment} || {} }) { |
706 | for my $name (keys %{ $obj->{_attachment} || {} }) { |
486 | if (my $attach = $attachment{$name}) { |
707 | if (my $attach = $attachment{$name}) { |
487 | for (@$attach) { |
708 | for (@$attach) { |
488 | my ($klass, @attach) = @$_; |
709 | my ($klass, @attach) = @$_; |
489 | _attach @$registry, $klass, @attach; |
710 | _attach $registry, $klass, @attach; |
490 | } |
711 | } |
491 | } else { |
712 | } else { |
492 | warn "object uses attachment '$name' that is not available, postponing.\n"; |
713 | warn "object uses attachment '$name' that is not available, postponing.\n"; |
493 | } |
714 | } |
494 | } |
715 | } |
495 | } |
716 | } |
496 | |
717 | |
497 | sub object_freezer_save { |
718 | cf::attachable->attach ( |
498 | my ($filename, $rdata, $objs) = @_; |
|
|
499 | |
|
|
500 | if (length $$rdata) { |
|
|
501 | warn sprintf "saving %s (%d,%d)\n", |
|
|
502 | $filename, length $$rdata, scalar @$objs; |
|
|
503 | |
|
|
504 | if (open my $fh, ">:raw", "$filename~") { |
|
|
505 | chmod SAVE_MODE, $fh; |
|
|
506 | syswrite $fh, $$rdata; |
|
|
507 | close $fh; |
|
|
508 | |
|
|
509 | if (@$objs && open my $fh, ">:raw", "$filename.pst~") { |
|
|
510 | chmod SAVE_MODE, $fh; |
|
|
511 | syswrite $fh, Storable::nfreeze { version => 1, objs => $objs }; |
|
|
512 | close $fh; |
|
|
513 | rename "$filename.pst~", "$filename.pst"; |
|
|
514 | } else { |
|
|
515 | unlink "$filename.pst"; |
|
|
516 | } |
|
|
517 | |
|
|
518 | rename "$filename~", $filename; |
|
|
519 | } else { |
|
|
520 | warn "FATAL: $filename~: $!\n"; |
|
|
521 | } |
|
|
522 | } else { |
|
|
523 | unlink $filename; |
|
|
524 | unlink "$filename.pst"; |
|
|
525 | } |
|
|
526 | } |
|
|
527 | |
|
|
528 | sub object_thawer_load { |
|
|
529 | my ($filename) = @_; |
|
|
530 | |
|
|
531 | local $/; |
|
|
532 | |
|
|
533 | my $av; |
|
|
534 | |
|
|
535 | #TODO: use sysread etc. |
|
|
536 | if (open my $data, "<:raw:perlio", $filename) { |
|
|
537 | $data = <$data>; |
|
|
538 | if (open my $pst, "<:raw:perlio", "$filename.pst") { |
|
|
539 | $av = eval { (Storable::thaw <$pst>)->{objs} }; |
|
|
540 | } |
|
|
541 | return ($data, $av); |
|
|
542 | } |
|
|
543 | |
|
|
544 | () |
|
|
545 | } |
|
|
546 | |
|
|
547 | attach_to_objects |
|
|
548 | prio => -1000000, |
719 | prio => -1000000, |
|
|
720 | on_instantiate => sub { |
|
|
721 | my ($obj, $data) = @_; |
|
|
722 | |
|
|
723 | $data = from_json $data; |
|
|
724 | |
|
|
725 | for (@$data) { |
|
|
726 | my ($name, $args) = @$_; |
|
|
727 | |
|
|
728 | $obj->attach ($name, %{$args || {} }); |
|
|
729 | } |
|
|
730 | }, |
|
|
731 | on_reattach => \&reattach, |
549 | on_clone => sub { |
732 | on_clone => sub { |
550 | my ($src, $dst) = @_; |
733 | my ($src, $dst) = @_; |
551 | |
734 | |
552 | @{$dst->registry} = @{$src->registry}; |
735 | @{$dst->registry} = @{$src->registry}; |
553 | |
736 | |
554 | %$dst = %$src; |
737 | %$dst = %$src; |
555 | |
738 | |
556 | %{$dst->{_attachment}} = %{$src->{_attachment}} |
739 | %{$dst->{_attachment}} = %{$src->{_attachment}} |
557 | if exists $src->{_attachment}; |
740 | if exists $src->{_attachment}; |
558 | }, |
741 | }, |
559 | ; |
742 | ); |
|
|
743 | |
|
|
744 | sub object_freezer_save { |
|
|
745 | my ($filename, $rdata, $objs) = @_; |
|
|
746 | |
|
|
747 | sync_job { |
|
|
748 | if (length $$rdata) { |
|
|
749 | warn sprintf "saving %s (%d,%d)\n", |
|
|
750 | $filename, length $$rdata, scalar @$objs; |
|
|
751 | |
|
|
752 | if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { |
|
|
753 | chmod SAVE_MODE, $fh; |
|
|
754 | aio_write $fh, 0, (length $$rdata), $$rdata, 0; |
|
|
755 | aio_fsync $fh; |
|
|
756 | close $fh; |
|
|
757 | |
|
|
758 | if (@$objs) { |
|
|
759 | if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { |
|
|
760 | chmod SAVE_MODE, $fh; |
|
|
761 | my $data = Storable::nfreeze { version => 1, objs => $objs }; |
|
|
762 | aio_write $fh, 0, (length $data), $data, 0; |
|
|
763 | aio_fsync $fh; |
|
|
764 | close $fh; |
|
|
765 | aio_rename "$filename.pst~", "$filename.pst"; |
|
|
766 | } |
|
|
767 | } else { |
|
|
768 | aio_unlink "$filename.pst"; |
|
|
769 | } |
|
|
770 | |
|
|
771 | aio_rename "$filename~", $filename; |
|
|
772 | } else { |
|
|
773 | warn "FATAL: $filename~: $!\n"; |
|
|
774 | } |
|
|
775 | } else { |
|
|
776 | aio_unlink $filename; |
|
|
777 | aio_unlink "$filename.pst"; |
|
|
778 | } |
|
|
779 | } |
|
|
780 | } |
|
|
781 | |
|
|
782 | sub object_freezer_as_string { |
|
|
783 | my ($rdata, $objs) = @_; |
|
|
784 | |
|
|
785 | use Data::Dumper; |
|
|
786 | |
|
|
787 | $$rdata . Dumper $objs |
|
|
788 | } |
|
|
789 | |
|
|
790 | sub object_thawer_load { |
|
|
791 | my ($filename) = @_; |
|
|
792 | |
|
|
793 | my ($data, $av); |
|
|
794 | |
|
|
795 | (aio_load $filename, $data) >= 0 |
|
|
796 | or return; |
|
|
797 | |
|
|
798 | unless (aio_stat "$filename.pst") { |
|
|
799 | (aio_load "$filename.pst", $av) >= 0 |
|
|
800 | or return; |
|
|
801 | $av = eval { (Storable::thaw $av)->{objs} }; |
|
|
802 | } |
|
|
803 | |
|
|
804 | warn sprintf "loading %s (%d)\n", |
|
|
805 | $filename, length $data, scalar @{$av || []};#d# |
|
|
806 | return ($data, $av); |
|
|
807 | } |
560 | |
808 | |
561 | ############################################################################# |
809 | ############################################################################# |
562 | # old plug-in events |
810 | # command handling &c |
563 | |
811 | |
564 | sub inject_event { |
812 | =item cf::register_command $name => \&callback($ob,$args); |
565 | my $extension = shift; |
|
|
566 | my $event_code = shift; |
|
|
567 | |
813 | |
568 | my $cb = $hook[$event_code]{$extension} |
814 | Register a callback for execution when the client sends the user command |
569 | or return; |
815 | $name. |
570 | |
816 | |
571 | &$cb |
817 | =cut |
572 | } |
|
|
573 | |
|
|
574 | sub inject_global_event { |
|
|
575 | my $event = shift; |
|
|
576 | |
|
|
577 | my $cb = $hook[$event] |
|
|
578 | or return; |
|
|
579 | |
|
|
580 | List::Util::max map &$_, values %$cb |
|
|
581 | } |
|
|
582 | |
|
|
583 | sub inject_command { |
|
|
584 | my ($name, $obj, $params) = @_; |
|
|
585 | |
|
|
586 | for my $cmd (@{ $command{$name} }) { |
|
|
587 | $cmd->[1]->($obj, $params); |
|
|
588 | } |
|
|
589 | |
|
|
590 | -1 |
|
|
591 | } |
|
|
592 | |
818 | |
593 | sub register_command { |
819 | sub register_command { |
594 | my ($name, $time, $cb) = @_; |
820 | my ($name, $cb) = @_; |
595 | |
821 | |
596 | my $caller = caller; |
822 | my $caller = caller; |
597 | #warn "registering command '$name/$time' to '$caller'"; |
823 | #warn "registering command '$name/$time' to '$caller'"; |
598 | |
824 | |
599 | push @{ $command{$name} }, [$time, $cb, $caller]; |
825 | push @{ $COMMAND{$name} }, [$caller, $cb]; |
600 | $COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} }; |
|
|
601 | } |
826 | } |
|
|
827 | |
|
|
828 | =item cf::register_extcmd $name => \&callback($pl,$packet); |
|
|
829 | |
|
|
830 | Register a callbackf ro execution when the client sends an extcmd packet. |
|
|
831 | |
|
|
832 | If the callback returns something, it is sent back as if reply was being |
|
|
833 | called. |
|
|
834 | |
|
|
835 | =cut |
602 | |
836 | |
603 | sub register_extcmd { |
837 | sub register_extcmd { |
604 | my ($name, $cb) = @_; |
838 | my ($name, $cb) = @_; |
605 | |
839 | |
606 | my $caller = caller; |
840 | $EXTCMD{$name} = $cb; |
607 | #warn "registering extcmd '$name' to '$caller'"; |
|
|
608 | |
|
|
609 | $extcmd{$name} = [$cb, $caller]; |
|
|
610 | } |
841 | } |
611 | |
842 | |
612 | sub register { |
843 | cf::player->attach ( |
613 | my ($base, $pkg) = @_; |
844 | on_command => sub { |
|
|
845 | my ($pl, $name, $params) = @_; |
614 | |
846 | |
615 | #TODO |
847 | my $cb = $COMMAND{$name} |
616 | } |
848 | or return; |
|
|
849 | |
|
|
850 | for my $cmd (@$cb) { |
|
|
851 | $cmd->[1]->($pl->ob, $params); |
|
|
852 | } |
|
|
853 | |
|
|
854 | cf::override; |
|
|
855 | }, |
|
|
856 | on_extcmd => sub { |
|
|
857 | my ($pl, $buf) = @_; |
|
|
858 | |
|
|
859 | my $msg = eval { from_json $buf }; |
|
|
860 | |
|
|
861 | if (ref $msg) { |
|
|
862 | if (my $cb = $EXTCMD{$msg->{msgtype}}) { |
|
|
863 | if (my %reply = $cb->($pl, $msg)) { |
|
|
864 | $pl->ext_reply ($msg->{msgid}, %reply); |
|
|
865 | } |
|
|
866 | } |
|
|
867 | } else { |
|
|
868 | warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; |
|
|
869 | } |
|
|
870 | |
|
|
871 | cf::override; |
|
|
872 | }, |
|
|
873 | ); |
617 | |
874 | |
618 | sub load_extension { |
875 | sub load_extension { |
619 | my ($path) = @_; |
876 | my ($path) = @_; |
620 | |
877 | |
621 | $path =~ /([^\/\\]+)\.ext$/ or die "$path"; |
878 | $path =~ /([^\/\\]+)\.ext$/ or die "$path"; |
622 | my $base = $1; |
879 | my $base = $1; |
623 | my $pkg = $1; |
880 | my $pkg = $1; |
624 | $pkg =~ s/[^[:word:]]/_/g; |
881 | $pkg =~ s/[^[:word:]]/_/g; |
625 | $pkg = "ext::$pkg"; |
882 | $pkg = "ext::$pkg"; |
626 | |
883 | |
627 | warn "loading '$path' into '$pkg'\n"; |
884 | warn "... loading '$path' into '$pkg'\n"; |
628 | |
885 | |
629 | open my $fh, "<:utf8", $path |
886 | open my $fh, "<:utf8", $path |
630 | or die "$path: $!"; |
887 | or die "$path: $!"; |
631 | |
888 | |
632 | my $source = |
889 | my $source = |
633 | "package $pkg; use strict; use utf8;\n" |
890 | "package $pkg; use strict; use utf8;\n" |
634 | . "#line 1 \"$path\"\n{\n" |
891 | . "#line 1 \"$path\"\n{\n" |
635 | . (do { local $/; <$fh> }) |
892 | . (do { local $/; <$fh> }) |
636 | . "\n};\n1"; |
893 | . "\n};\n1"; |
637 | |
894 | |
638 | eval $source |
895 | unless (eval $source) { |
639 | or die "$path: $@"; |
896 | my $msg = $@ ? "$path: $@\n" |
640 | |
897 | : "extension disabled.\n"; |
641 | push @exts, $pkg; |
898 | if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match |
642 | $ext_pkg{$base} = $pkg; |
899 | warn $@; |
643 | |
900 | warn "mandatory extension failed to load, exiting.\n"; |
644 | # no strict 'refs'; |
901 | exit 1; |
645 | # @{"$pkg\::ISA"} = ext::; |
902 | } |
646 | |
903 | die $@; |
647 | register $base, $pkg; |
|
|
648 | } |
|
|
649 | |
|
|
650 | sub unload_extension { |
|
|
651 | my ($pkg) = @_; |
|
|
652 | |
|
|
653 | warn "removing extension $pkg\n"; |
|
|
654 | |
|
|
655 | # remove hooks |
|
|
656 | #TODO |
|
|
657 | # for my $idx (0 .. $#PLUGIN_EVENT) { |
|
|
658 | # delete $hook[$idx]{$pkg}; |
|
|
659 | # } |
904 | } |
660 | |
905 | |
661 | # remove commands |
906 | push @EXTS, $pkg; |
662 | for my $name (keys %command) { |
|
|
663 | my @cb = grep $_->[2] ne $pkg, @{ $command{$name} }; |
|
|
664 | |
|
|
665 | if (@cb) { |
|
|
666 | $command{$name} = \@cb; |
|
|
667 | $COMMAND{"$name\000"} = List::Util::max map $_->[0], @cb; |
|
|
668 | } else { |
|
|
669 | delete $command{$name}; |
|
|
670 | delete $COMMAND{"$name\000"}; |
|
|
671 | } |
|
|
672 | } |
|
|
673 | |
|
|
674 | # remove extcmds |
|
|
675 | for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) { |
|
|
676 | delete $extcmd{$name}; |
|
|
677 | } |
|
|
678 | |
|
|
679 | if (my $cb = $pkg->can ("unload")) { |
|
|
680 | eval { |
|
|
681 | $cb->($pkg); |
|
|
682 | 1 |
|
|
683 | } or warn "$pkg unloaded, but with errors: $@"; |
|
|
684 | } |
|
|
685 | |
|
|
686 | Symbol::delete_package $pkg; |
|
|
687 | } |
907 | } |
688 | |
908 | |
689 | sub load_extensions { |
909 | sub load_extensions { |
690 | my $LIBDIR = maps_directory "perl"; |
|
|
691 | |
|
|
692 | for my $ext (<$LIBDIR/*.ext>) { |
910 | for my $ext (<$LIBDIR/*.ext>) { |
693 | next unless -r $ext; |
911 | next unless -r $ext; |
694 | eval { |
912 | eval { |
695 | load_extension $ext; |
913 | load_extension $ext; |
696 | 1 |
914 | 1 |
697 | } or warn "$ext not loaded: $@"; |
915 | } or warn "$ext not loaded: $@"; |
698 | } |
916 | } |
699 | } |
917 | } |
700 | |
918 | |
701 | ############################################################################# |
919 | ############################################################################# |
702 | # extcmd framework, basically convert ext <msg> |
|
|
703 | # into pkg::->on_extcmd_arg1 (...) while shortcutting a few |
|
|
704 | |
920 | |
705 | attach_to_players |
921 | =head2 CORE EXTENSIONS |
706 | on_extcmd => sub { |
922 | |
|
|
923 | Functions and methods that extend core crossfire objects. |
|
|
924 | |
|
|
925 | =cut |
|
|
926 | |
|
|
927 | package cf::player; |
|
|
928 | |
|
|
929 | use Coro::AIO; |
|
|
930 | |
|
|
931 | =head3 cf::player |
|
|
932 | |
|
|
933 | =over 4 |
|
|
934 | |
|
|
935 | =item cf::player::find $login |
|
|
936 | |
|
|
937 | Returns the given player object, loading it if necessary (might block). |
|
|
938 | |
|
|
939 | =cut |
|
|
940 | |
|
|
941 | sub playerdir($) { |
|
|
942 | cf::localdir |
|
|
943 | . "/" |
|
|
944 | . cf::playerdir |
|
|
945 | . "/" |
|
|
946 | . (ref $_[0] ? $_[0]->ob->name : $_[0]) |
|
|
947 | } |
|
|
948 | |
|
|
949 | sub path($) { |
|
|
950 | my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; |
|
|
951 | |
|
|
952 | (playerdir $login) . "/$login.pl" |
|
|
953 | } |
|
|
954 | |
|
|
955 | sub find_active($) { |
|
|
956 | $cf::PLAYER{$_[0]} |
|
|
957 | and $cf::PLAYER{$_[0]}->active |
|
|
958 | and $cf::PLAYER{$_[0]} |
|
|
959 | } |
|
|
960 | |
|
|
961 | sub exists($) { |
|
|
962 | my ($login) = @_; |
|
|
963 | |
|
|
964 | $cf::PLAYER{$login} |
|
|
965 | or cf::sync_job { !aio_stat path $login } |
|
|
966 | } |
|
|
967 | |
|
|
968 | sub find($) { |
|
|
969 | return $cf::PLAYER{$_[0]} || do { |
|
|
970 | my $login = $_[0]; |
|
|
971 | |
|
|
972 | my $guard = cf::lock_acquire "user_find:$login"; |
|
|
973 | |
|
|
974 | $cf::PLAYER{$_[0]} || do { |
|
|
975 | my $pl = load_pl path $login |
|
|
976 | or return; |
|
|
977 | $cf::PLAYER{$login} = $pl |
|
|
978 | } |
|
|
979 | } |
|
|
980 | } |
|
|
981 | |
|
|
982 | sub save($) { |
|
|
983 | my ($pl) = @_; |
|
|
984 | |
|
|
985 | return if $pl->{deny_save}; |
|
|
986 | |
|
|
987 | my $path = path $pl; |
|
|
988 | my $guard = cf::lock_acquire "user_save:$path"; |
|
|
989 | |
|
|
990 | return if $pl->{deny_save}; |
|
|
991 | |
|
|
992 | aio_mkdir playerdir $pl, 0770; |
|
|
993 | $pl->{last_save} = $cf::RUNTIME; |
|
|
994 | |
|
|
995 | $pl->save_pl ($path); |
|
|
996 | Coro::cede; |
|
|
997 | } |
|
|
998 | |
|
|
999 | sub new($) { |
|
|
1000 | my ($login) = @_; |
|
|
1001 | |
|
|
1002 | my $self = create; |
|
|
1003 | |
|
|
1004 | $self->ob->name ($login); |
|
|
1005 | $self->{deny_save} = 1; |
|
|
1006 | |
|
|
1007 | $cf::PLAYER{$login} = $self; |
|
|
1008 | |
|
|
1009 | $self |
|
|
1010 | } |
|
|
1011 | |
|
|
1012 | =item $pl->quit_character |
|
|
1013 | |
|
|
1014 | Nukes the player without looking back. If logged in, the connection will |
|
|
1015 | be destroyed. May block for a long time. |
|
|
1016 | |
|
|
1017 | =cut |
|
|
1018 | |
|
|
1019 | sub quit_character { |
|
|
1020 | my ($pl) = @_; |
|
|
1021 | |
|
|
1022 | $pl->{deny_save} = 1; |
|
|
1023 | $pl->password ("*"); # this should lock out the player until we nuked the dir |
|
|
1024 | |
|
|
1025 | $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; |
|
|
1026 | $pl->deactivate; |
|
|
1027 | $pl->invoke (cf::EVENT_PLAYER_QUIT); |
|
|
1028 | $pl->ns->destroy if $pl->ns; |
|
|
1029 | |
|
|
1030 | my $path = playerdir $pl; |
|
|
1031 | my $temp = "$path~$cf::RUNTIME~deleting~"; |
|
|
1032 | aio_rename $path, $temp; |
|
|
1033 | delete $cf::PLAYER{$pl->ob->name}; |
|
|
1034 | $pl->destroy; |
|
|
1035 | IO::AIO::aio_rmtree $temp; |
|
|
1036 | } |
|
|
1037 | |
|
|
1038 | =item cf::player::list_logins |
|
|
1039 | |
|
|
1040 | Returns am arrayref of all valid playernames in the system, can take a |
|
|
1041 | while and may block, so not sync_job-capable, ever. |
|
|
1042 | |
|
|
1043 | =cut |
|
|
1044 | |
|
|
1045 | sub list_logins { |
|
|
1046 | my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir |
|
|
1047 | or return []; |
|
|
1048 | |
|
|
1049 | my @logins; |
|
|
1050 | |
|
|
1051 | for my $login (@$dirs) { |
|
|
1052 | my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; |
|
|
1053 | aio_read $fh, 0, 512, my $buf, 0 or next; |
|
|
1054 | $buf !~ /^password -------------$/m or next; # official not-valid tag |
|
|
1055 | |
|
|
1056 | utf8::decode $login; |
|
|
1057 | push @logins, $login; |
|
|
1058 | } |
|
|
1059 | |
|
|
1060 | \@logins |
|
|
1061 | } |
|
|
1062 | |
|
|
1063 | =item $player->maps |
|
|
1064 | |
|
|
1065 | Returns an arrayref of map paths that are private for this |
|
|
1066 | player. May block. |
|
|
1067 | |
|
|
1068 | =cut |
|
|
1069 | |
|
|
1070 | sub maps($) { |
|
|
1071 | my ($pl) = @_; |
|
|
1072 | |
|
|
1073 | my $files = aio_readdir playerdir $pl |
|
|
1074 | or return; |
|
|
1075 | |
|
|
1076 | my @paths; |
|
|
1077 | |
|
|
1078 | for (@$files) { |
|
|
1079 | utf8::decode $_; |
|
|
1080 | next if /\.(?:pl|pst)$/; |
|
|
1081 | next unless /^$PATH_SEP/o; |
|
|
1082 | |
|
|
1083 | s/\.map$//; |
|
|
1084 | push @paths, "~" . $pl->ob->name . "/" . $_; |
|
|
1085 | } |
|
|
1086 | |
|
|
1087 | \@paths |
|
|
1088 | } |
|
|
1089 | |
|
|
1090 | =item $player->ext_reply ($msgid, $msgtype, %msg) |
|
|
1091 | |
|
|
1092 | Sends an ext reply to the player. |
|
|
1093 | |
|
|
1094 | =cut |
|
|
1095 | |
|
|
1096 | sub ext_reply($$$%) { |
|
|
1097 | my ($self, $id, %msg) = @_; |
|
|
1098 | |
|
|
1099 | $msg{msgid} = $id; |
|
|
1100 | |
|
|
1101 | $self->send ("ext " . cf::to_json \%msg); |
|
|
1102 | } |
|
|
1103 | |
|
|
1104 | package cf; |
|
|
1105 | |
|
|
1106 | =back |
|
|
1107 | |
|
|
1108 | |
|
|
1109 | =head3 cf::map |
|
|
1110 | |
|
|
1111 | =over 4 |
|
|
1112 | |
|
|
1113 | =cut |
|
|
1114 | |
|
|
1115 | package cf::map; |
|
|
1116 | |
|
|
1117 | use Fcntl; |
|
|
1118 | use Coro::AIO; |
|
|
1119 | |
|
|
1120 | use overload |
|
|
1121 | '""' => \&as_string, |
|
|
1122 | fallback => 1; |
|
|
1123 | |
|
|
1124 | our $MAX_RESET = 3600; |
|
|
1125 | our $DEFAULT_RESET = 3000; |
|
|
1126 | |
|
|
1127 | sub generate_random_map { |
|
|
1128 | my ($self, $rmp) = @_; |
|
|
1129 | # mit "rum" bekleckern, nicht |
|
|
1130 | $self->_create_random_map ( |
|
|
1131 | $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, |
|
|
1132 | $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, |
|
|
1133 | $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, |
|
|
1134 | $rmp->{exit_on_final_map}, |
|
|
1135 | $rmp->{xsize}, $rmp->{ysize}, |
|
|
1136 | $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, |
|
|
1137 | $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, |
|
|
1138 | $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, |
|
|
1139 | $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, |
|
|
1140 | $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, |
|
|
1141 | (cf::region::find $rmp->{region}), $rmp->{custom} |
|
|
1142 | ) |
|
|
1143 | } |
|
|
1144 | |
|
|
1145 | =item cf::map->register ($regex, $prio) |
|
|
1146 | |
|
|
1147 | Register a handler for the map path matching the given regex at the |
|
|
1148 | givne priority (higher is better, built-in handlers have priority 0, the |
|
|
1149 | default). |
|
|
1150 | |
|
|
1151 | =cut |
|
|
1152 | |
|
|
1153 | sub register { |
|
|
1154 | my (undef, $regex, $prio) = @_; |
|
|
1155 | my $pkg = caller; |
|
|
1156 | |
|
|
1157 | no strict; |
|
|
1158 | push @{"$pkg\::ISA"}, __PACKAGE__; |
|
|
1159 | |
|
|
1160 | $EXT_MAP{$pkg} = [$prio, qr<$regex>]; |
|
|
1161 | } |
|
|
1162 | |
|
|
1163 | # also paths starting with '/' |
|
|
1164 | $EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; |
|
|
1165 | |
|
|
1166 | sub thawer_merge { |
|
|
1167 | my ($self, $merge) = @_; |
|
|
1168 | |
|
|
1169 | # we have to keep some variables in memory intact |
|
|
1170 | local $self->{path}; |
|
|
1171 | local $self->{load_path}; |
|
|
1172 | local $self->{deny_save}; |
|
|
1173 | local $self->{deny_reset}; |
|
|
1174 | |
|
|
1175 | $self->SUPER::thawer_merge ($merge); |
|
|
1176 | } |
|
|
1177 | |
|
|
1178 | sub normalise { |
|
|
1179 | my ($path, $base) = @_; |
|
|
1180 | |
|
|
1181 | $path = "$path"; # make sure its a string |
|
|
1182 | |
|
|
1183 | # map plan: |
|
|
1184 | # |
|
|
1185 | # /! non-realised random map exit (special hack!) |
|
|
1186 | # {... are special paths that are not being touched |
|
|
1187 | # ?xxx/... are special absolute paths |
|
|
1188 | # ?random/... random maps |
|
|
1189 | # /... normal maps |
|
|
1190 | # ~user/... per-player map of a specific user |
|
|
1191 | |
|
|
1192 | $path =~ s/$PATH_SEP/\//go; |
|
|
1193 | |
|
|
1194 | # treat it as relative path if it starts with |
|
|
1195 | # something that looks reasonable |
|
|
1196 | if ($path =~ m{^(?:\./|\.\./|\w)}) { |
|
|
1197 | $base or Carp::carp "normalise called with relative path and no base: '$path'"; |
|
|
1198 | |
|
|
1199 | $base =~ s{[^/]+/?$}{}; |
|
|
1200 | $path = "$base/$path"; |
|
|
1201 | } |
|
|
1202 | |
|
|
1203 | for ($path) { |
|
|
1204 | redo if s{//}{/}; |
|
|
1205 | redo if s{/\.?/}{/}; |
|
|
1206 | redo if s{/[^/]+/\.\./}{/}; |
|
|
1207 | } |
|
|
1208 | |
|
|
1209 | $path |
|
|
1210 | } |
|
|
1211 | |
|
|
1212 | sub new_from_path { |
|
|
1213 | my (undef, $path, $base) = @_; |
|
|
1214 | |
|
|
1215 | return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object |
|
|
1216 | |
|
|
1217 | $path = normalise $path, $base; |
|
|
1218 | |
|
|
1219 | for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) { |
|
|
1220 | if ($path =~ $EXT_MAP{$pkg}[1]) { |
|
|
1221 | my $self = bless cf::map::new, $pkg; |
|
|
1222 | $self->{path} = $path; $self->path ($path); |
|
|
1223 | $self->init; # pass $1 etc. |
|
|
1224 | return $self; |
|
|
1225 | } |
|
|
1226 | } |
|
|
1227 | |
|
|
1228 | Carp::carp "unable to resolve path '$path' (base '$base')."; |
|
|
1229 | () |
|
|
1230 | } |
|
|
1231 | |
|
|
1232 | sub init { |
|
|
1233 | my ($self) = @_; |
|
|
1234 | |
|
|
1235 | $self |
|
|
1236 | } |
|
|
1237 | |
|
|
1238 | sub as_string { |
|
|
1239 | my ($self) = @_; |
|
|
1240 | |
|
|
1241 | "$self->{path}" |
|
|
1242 | } |
|
|
1243 | |
|
|
1244 | # the displayed name, this is a one way mapping |
|
|
1245 | sub visible_name { |
|
|
1246 | &as_string |
|
|
1247 | } |
|
|
1248 | |
|
|
1249 | # the original (read-only) location |
|
|
1250 | sub load_path { |
|
|
1251 | my ($self) = @_; |
|
|
1252 | |
|
|
1253 | sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} |
|
|
1254 | } |
|
|
1255 | |
|
|
1256 | # the temporary/swap location |
|
|
1257 | sub save_path { |
|
|
1258 | my ($self) = @_; |
|
|
1259 | |
|
|
1260 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
|
|
1261 | sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path |
|
|
1262 | } |
|
|
1263 | |
|
|
1264 | # the unique path, undef == no special unique path |
|
|
1265 | sub uniq_path { |
|
|
1266 | my ($self) = @_; |
|
|
1267 | |
|
|
1268 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
|
|
1269 | sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path |
|
|
1270 | } |
|
|
1271 | |
|
|
1272 | # and all this just because we cannot iterate over |
|
|
1273 | # all maps in C++... |
|
|
1274 | sub change_all_map_light { |
|
|
1275 | my ($change) = @_; |
|
|
1276 | |
|
|
1277 | $_->change_map_light ($change) |
|
|
1278 | for grep $_->outdoor, values %cf::MAP; |
|
|
1279 | } |
|
|
1280 | |
|
|
1281 | sub unlink_save { |
|
|
1282 | my ($self) = @_; |
|
|
1283 | |
|
|
1284 | utf8::encode (my $save = $self->save_path); |
|
|
1285 | IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; |
|
|
1286 | IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; |
|
|
1287 | } |
|
|
1288 | |
|
|
1289 | sub load_header_from($) { |
|
|
1290 | my ($self, $path) = @_; |
|
|
1291 | |
|
|
1292 | utf8::encode $path; |
|
|
1293 | aio_open $path, O_RDONLY, 0 |
|
|
1294 | or return; |
|
|
1295 | |
|
|
1296 | $self->_load_header ($path) |
|
|
1297 | or return; |
|
|
1298 | |
|
|
1299 | $self->{load_path} = $path; |
|
|
1300 | |
|
|
1301 | 1 |
|
|
1302 | } |
|
|
1303 | |
|
|
1304 | sub load_header_orig { |
|
|
1305 | my ($self) = @_; |
|
|
1306 | |
|
|
1307 | $self->load_header_from ($self->load_path) |
|
|
1308 | } |
|
|
1309 | |
|
|
1310 | sub load_header_temp { |
|
|
1311 | my ($self) = @_; |
|
|
1312 | |
|
|
1313 | $self->load_header_from ($self->save_path) |
|
|
1314 | } |
|
|
1315 | |
|
|
1316 | sub prepare_temp { |
|
|
1317 | my ($self) = @_; |
|
|
1318 | |
|
|
1319 | $self->last_access ((delete $self->{last_access}) |
|
|
1320 | || $cf::RUNTIME); #d# |
|
|
1321 | # safety |
|
|
1322 | $self->{instantiate_time} = $cf::RUNTIME |
|
|
1323 | if $self->{instantiate_time} > $cf::RUNTIME; |
|
|
1324 | } |
|
|
1325 | |
|
|
1326 | sub prepare_orig { |
|
|
1327 | my ($self) = @_; |
|
|
1328 | |
|
|
1329 | $self->{load_original} = 1; |
|
|
1330 | $self->{instantiate_time} = $cf::RUNTIME; |
|
|
1331 | $self->last_access ($cf::RUNTIME); |
|
|
1332 | $self->instantiate; |
|
|
1333 | } |
|
|
1334 | |
|
|
1335 | sub load_header { |
|
|
1336 | my ($self) = @_; |
|
|
1337 | |
|
|
1338 | if ($self->load_header_temp) { |
|
|
1339 | $self->prepare_temp; |
|
|
1340 | } else { |
|
|
1341 | $self->load_header_orig |
|
|
1342 | or return; |
|
|
1343 | $self->prepare_orig; |
|
|
1344 | } |
|
|
1345 | |
|
|
1346 | 1 |
|
|
1347 | } |
|
|
1348 | |
|
|
1349 | sub find; |
|
|
1350 | sub find { |
|
|
1351 | my ($path, $origin) = @_; |
|
|
1352 | |
|
|
1353 | $path = normalise $path, $origin && $origin->path; |
|
|
1354 | |
|
|
1355 | cf::lock_wait "map_find:$path"; |
|
|
1356 | |
|
|
1357 | $cf::MAP{$path} || do { |
|
|
1358 | my $guard = cf::lock_acquire "map_find:$path"; |
|
|
1359 | my $map = new_from_path cf::map $path |
|
|
1360 | or return; |
|
|
1361 | |
|
|
1362 | $map->{last_save} = $cf::RUNTIME; |
|
|
1363 | |
|
|
1364 | $map->load_header |
|
|
1365 | or return; |
|
|
1366 | |
|
|
1367 | if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) |
|
|
1368 | # doing this can freeze the server in a sync job, obviously |
|
|
1369 | #$cf::WAIT_FOR_TICK->wait; |
|
|
1370 | $map->reset; |
|
|
1371 | undef $guard; |
|
|
1372 | return find $path; |
|
|
1373 | } |
|
|
1374 | |
|
|
1375 | $cf::MAP{$path} = $map |
|
|
1376 | } |
|
|
1377 | } |
|
|
1378 | |
|
|
1379 | sub pre_load { } |
|
|
1380 | sub post_load { } |
|
|
1381 | |
|
|
1382 | sub load { |
|
|
1383 | my ($self) = @_; |
|
|
1384 | |
|
|
1385 | my $path = $self->{path}; |
|
|
1386 | my $guard = cf::lock_acquire "map_load:$path"; |
|
|
1387 | |
|
|
1388 | return if $self->in_memory != cf::MAP_SWAPPED; |
|
|
1389 | |
|
|
1390 | $self->in_memory (cf::MAP_LOADING); |
|
|
1391 | |
|
|
1392 | $self->alloc; |
|
|
1393 | |
|
|
1394 | $self->pre_load; |
|
|
1395 | |
|
|
1396 | $self->_load_objects ($self->{load_path}, 1) |
|
|
1397 | or return; |
|
|
1398 | |
|
|
1399 | $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) |
|
|
1400 | if delete $self->{load_original}; |
|
|
1401 | |
|
|
1402 | if (my $uniq = $self->uniq_path) { |
|
|
1403 | utf8::encode $uniq; |
|
|
1404 | if (aio_open $uniq, O_RDONLY, 0) { |
|
|
1405 | $self->clear_unique_items; |
|
|
1406 | $self->_load_objects ($uniq, 0); |
|
|
1407 | } |
|
|
1408 | } |
|
|
1409 | |
|
|
1410 | Coro::cede; |
|
|
1411 | |
|
|
1412 | # now do the right thing for maps |
|
|
1413 | $self->link_multipart_objects; |
|
|
1414 | |
|
|
1415 | unless ($self->{deny_activate}) { |
|
|
1416 | $self->decay_objects; |
|
|
1417 | $self->fix_auto_apply; |
|
|
1418 | $self->update_buttons; |
|
|
1419 | Coro::cede; |
|
|
1420 | $self->set_darkness_map; |
|
|
1421 | $self->difficulty ($self->estimate_difficulty) |
|
|
1422 | unless $self->difficulty; |
|
|
1423 | Coro::cede; |
|
|
1424 | $self->activate; |
|
|
1425 | } |
|
|
1426 | |
|
|
1427 | $self->post_load; |
|
|
1428 | |
|
|
1429 | $self->in_memory (cf::MAP_IN_MEMORY); |
|
|
1430 | } |
|
|
1431 | |
|
|
1432 | sub customise_for { |
707 | my ($pl, $buf) = @_; |
1433 | my ($self, $ob) = @_; |
708 | |
1434 | |
709 | my $msg = eval { from_json $buf }; |
1435 | return find "~" . $ob->name . "/" . $self->{path} |
|
|
1436 | if $self->per_player; |
710 | |
1437 | |
711 | if (ref $msg) { |
1438 | $self |
712 | if (my $cb = $extcmd{$msg->{msgtype}}) { |
1439 | } |
713 | if (my %reply = $cb->[0]->($pl, $msg)) { |
1440 | |
714 | $pl->ext_reply ($msg->{msgid}, %reply); |
1441 | # find and load all maps in the 3x3 area around a map |
715 | } |
1442 | sub load_diag { |
|
|
1443 | my ($map) = @_; |
|
|
1444 | |
|
|
1445 | my @diag; # diagonal neighbours |
|
|
1446 | |
|
|
1447 | for (0 .. 3) { |
|
|
1448 | my $neigh = $map->tile_path ($_) |
|
|
1449 | or next; |
|
|
1450 | $neigh = find $neigh, $map |
|
|
1451 | or next; |
|
|
1452 | $neigh->load; |
|
|
1453 | |
|
|
1454 | push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], |
|
|
1455 | [$neigh->tile_path (($_ + 1) % 4), $neigh]; |
|
|
1456 | } |
|
|
1457 | |
|
|
1458 | for (@diag) { |
|
|
1459 | my $neigh = find @$_ |
|
|
1460 | or next; |
|
|
1461 | $neigh->load; |
|
|
1462 | } |
|
|
1463 | } |
|
|
1464 | |
|
|
1465 | sub find_sync { |
|
|
1466 | my ($path, $origin) = @_; |
|
|
1467 | |
|
|
1468 | cf::sync_job { find $path, $origin } |
|
|
1469 | } |
|
|
1470 | |
|
|
1471 | sub do_load_sync { |
|
|
1472 | my ($map) = @_; |
|
|
1473 | |
|
|
1474 | cf::sync_job { $map->load }; |
|
|
1475 | } |
|
|
1476 | |
|
|
1477 | our %MAP_PREFETCH; |
|
|
1478 | our $MAP_PREFETCHER = undef; |
|
|
1479 | |
|
|
1480 | sub find_async { |
|
|
1481 | my ($path, $origin) = @_; |
|
|
1482 | |
|
|
1483 | $path = normalise $path, $origin && $origin->{path}; |
|
|
1484 | |
|
|
1485 | if (my $map = $cf::MAP{$path}) { |
|
|
1486 | return $map if $map->in_memory == cf::MAP_IN_MEMORY; |
|
|
1487 | } |
|
|
1488 | |
|
|
1489 | undef $MAP_PREFETCH{$path}; |
|
|
1490 | $MAP_PREFETCHER ||= cf::async { |
|
|
1491 | while (%MAP_PREFETCH) { |
|
|
1492 | for my $path (keys %MAP_PREFETCH) { |
|
|
1493 | my $map = find $path |
|
|
1494 | or next; |
|
|
1495 | $map->load; |
|
|
1496 | |
|
|
1497 | delete $MAP_PREFETCH{$path}; |
716 | } |
1498 | } |
|
|
1499 | } |
|
|
1500 | undef $MAP_PREFETCHER; |
|
|
1501 | }; |
|
|
1502 | $MAP_PREFETCHER->prio (6); |
|
|
1503 | |
|
|
1504 | () |
|
|
1505 | } |
|
|
1506 | |
|
|
1507 | sub save { |
|
|
1508 | my ($self) = @_; |
|
|
1509 | |
|
|
1510 | my $lock = cf::lock_acquire "map_data:" . $self->path; |
|
|
1511 | |
|
|
1512 | $self->{last_save} = $cf::RUNTIME; |
|
|
1513 | |
|
|
1514 | return unless $self->dirty; |
|
|
1515 | |
|
|
1516 | my $save = $self->save_path; utf8::encode $save; |
|
|
1517 | my $uniq = $self->uniq_path; utf8::encode $uniq; |
|
|
1518 | |
|
|
1519 | $self->{load_path} = $save; |
|
|
1520 | |
|
|
1521 | return if $self->{deny_save}; |
|
|
1522 | |
|
|
1523 | local $self->{last_access} = $self->last_access;#d# |
|
|
1524 | |
|
|
1525 | cf::async { |
|
|
1526 | $_->contr->save for $self->players; |
|
|
1527 | }; |
|
|
1528 | |
|
|
1529 | if ($uniq) { |
|
|
1530 | $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); |
|
|
1531 | $self->_save_objects ($uniq, cf::IO_UNIQUES); |
717 | } else { |
1532 | } else { |
718 | warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; |
1533 | $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); |
719 | } |
|
|
720 | |
|
|
721 | cf::override; |
|
|
722 | }, |
1534 | } |
723 | ; |
1535 | } |
724 | |
1536 | |
725 | ############################################################################# |
1537 | sub swap_out { |
726 | # load/save/clean perl data associated with a map |
|
|
727 | |
|
|
728 | *cf::mapsupport::on_clean = sub { |
|
|
729 | my ($map) = @_; |
1538 | my ($self) = @_; |
730 | |
1539 | |
731 | my $path = $map->tmpname; |
1540 | # save first because save cedes |
732 | defined $path or return; |
1541 | $self->save; |
733 | |
1542 | |
734 | unlink "$path.pst"; |
1543 | my $lock = cf::lock_acquire "map_data:" . $self->path; |
735 | }; |
|
|
736 | |
1544 | |
737 | attach_to_maps prio => -10000, package => cf::mapsupport::; |
1545 | return if $self->players; |
|
|
1546 | return if $self->in_memory != cf::MAP_IN_MEMORY; |
|
|
1547 | return if $self->{deny_save}; |
738 | |
1548 | |
739 | ############################################################################# |
1549 | $self->clear; |
740 | # load/save perl data associated with player->ob objects |
1550 | $self->in_memory (cf::MAP_SWAPPED); |
741 | |
|
|
742 | sub all_objects(@) { |
|
|
743 | @_, map all_objects ($_->inv), @_ |
|
|
744 | } |
1551 | } |
745 | |
1552 | |
746 | # TODO: compatibility cruft, remove when no longer needed |
1553 | sub reset_at { |
747 | attach_to_players |
1554 | my ($self) = @_; |
748 | on_load => sub { |
|
|
749 | my ($pl, $path) = @_; |
|
|
750 | |
1555 | |
751 | for my $o (all_objects $pl->ob) { |
1556 | # TODO: safety, remove and allow resettable per-player maps |
752 | if (my $value = $o->get_ob_key_value ("_perl_data")) { |
1557 | return 1e99 if $self->isa ("ext::map_per_player");#d# |
753 | $o->set_ob_key_value ("_perl_data"); |
1558 | return 1e99 if $self->{deny_reset}; |
754 | |
1559 | |
755 | %$o = %{ Storable::thaw pack "H*", $value }; |
1560 | my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; |
756 | } |
1561 | my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; |
757 | } |
1562 | |
|
|
1563 | $time + $to |
|
|
1564 | } |
|
|
1565 | |
|
|
1566 | sub should_reset { |
|
|
1567 | my ($self) = @_; |
|
|
1568 | |
|
|
1569 | $self->reset_at <= $cf::RUNTIME |
|
|
1570 | } |
|
|
1571 | |
|
|
1572 | sub reset { |
|
|
1573 | my ($self) = @_; |
|
|
1574 | |
|
|
1575 | my $lock = cf::lock_acquire "map_data:$self->{path}"; |
|
|
1576 | |
|
|
1577 | return if $self->players; |
|
|
1578 | return if $self->isa ("ext::map_per_player");#d# |
|
|
1579 | |
|
|
1580 | warn "resetting map ", $self->path;#d# |
|
|
1581 | |
|
|
1582 | delete $cf::MAP{$self->path}; |
|
|
1583 | |
|
|
1584 | $self->in_memory (cf::MAP_SWAPPED); |
|
|
1585 | $self->clear; |
|
|
1586 | |
|
|
1587 | $_->clear_links_to ($self) for values %cf::MAP; |
|
|
1588 | |
|
|
1589 | $self->unlink_save; |
|
|
1590 | $self->destroy; |
|
|
1591 | } |
|
|
1592 | |
|
|
1593 | my $nuke_counter = "aaaa"; |
|
|
1594 | |
|
|
1595 | sub nuke { |
|
|
1596 | my ($self) = @_; |
|
|
1597 | |
|
|
1598 | delete $cf::MAP{$self->path}; |
|
|
1599 | |
|
|
1600 | $self->unlink_save; |
|
|
1601 | |
|
|
1602 | bless $self, "cf::map"; |
|
|
1603 | delete $self->{deny_reset}; |
|
|
1604 | $self->{deny_save} = 1; |
|
|
1605 | $self->reset_timeout (1); |
|
|
1606 | $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); |
|
|
1607 | |
|
|
1608 | $cf::MAP{$self->path} = $self; |
|
|
1609 | |
|
|
1610 | $self->reset; # polite request, might not happen |
|
|
1611 | } |
|
|
1612 | |
|
|
1613 | =item cf::map::unique_maps |
|
|
1614 | |
|
|
1615 | Returns an arrayref of paths of all shared maps that have |
|
|
1616 | instantiated unique items. May block. |
|
|
1617 | |
|
|
1618 | =cut |
|
|
1619 | |
|
|
1620 | sub unique_maps() { |
|
|
1621 | my $files = aio_readdir cf::localdir . "/" . cf::uniquedir |
|
|
1622 | or return; |
|
|
1623 | |
|
|
1624 | my @paths; |
|
|
1625 | |
|
|
1626 | for (@$files) { |
|
|
1627 | utf8::decode $_; |
|
|
1628 | next if /\.pst$/; |
|
|
1629 | next unless /^$PATH_SEP/o; |
|
|
1630 | |
|
|
1631 | s/\.map$//; |
|
|
1632 | push @paths, $_; |
758 | }, |
1633 | } |
759 | ; |
|
|
760 | |
1634 | |
761 | ############################################################################# |
1635 | \@paths |
|
|
1636 | } |
762 | |
1637 | |
763 | =head2 CORE EXTENSIONS |
1638 | package cf; |
764 | |
1639 | |
765 | Functions and methods that extend core crossfire objects. |
1640 | =back |
|
|
1641 | |
|
|
1642 | =head3 cf::object |
|
|
1643 | |
|
|
1644 | =cut |
|
|
1645 | |
|
|
1646 | package cf::object; |
766 | |
1647 | |
767 | =over 4 |
1648 | =over 4 |
768 | |
1649 | |
769 | =item cf::player::exists $login |
1650 | =item $ob->inv_recursive |
770 | |
1651 | |
771 | Returns true when the given account exists. |
1652 | Returns the inventory of the object _and_ their inventories, recursively. |
772 | |
1653 | |
773 | =cut |
1654 | =cut |
774 | |
1655 | |
775 | sub cf::player::exists($) { |
1656 | sub inv_recursive_; |
776 | cf::player::find $_[0] |
1657 | sub inv_recursive_ { |
777 | or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
1658 | map { $_, inv_recursive_ $_->inv } @_ |
778 | } |
1659 | } |
|
|
1660 | |
|
|
1661 | sub inv_recursive { |
|
|
1662 | inv_recursive_ inv $_[0] |
|
|
1663 | } |
|
|
1664 | |
|
|
1665 | package cf; |
|
|
1666 | |
|
|
1667 | =back |
|
|
1668 | |
|
|
1669 | =head3 cf::object::player |
|
|
1670 | |
|
|
1671 | =over 4 |
779 | |
1672 | |
780 | =item $player_object->reply ($npc, $msg[, $flags]) |
1673 | =item $player_object->reply ($npc, $msg[, $flags]) |
781 | |
1674 | |
782 | Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
1675 | Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
783 | can be C<undef>. Does the right thing when the player is currently in a |
1676 | can be C<undef>. Does the right thing when the player is currently in a |
… | |
… | |
785 | |
1678 | |
786 | =cut |
1679 | =cut |
787 | |
1680 | |
788 | # rough implementation of a future "reply" method that works |
1681 | # rough implementation of a future "reply" method that works |
789 | # with dialog boxes. |
1682 | # with dialog boxes. |
|
|
1683 | #TODO: the first argument must go, split into a $npc->reply_to ( method |
790 | sub cf::object::player::reply($$$;$) { |
1684 | sub cf::object::player::reply($$$;$) { |
791 | my ($self, $npc, $msg, $flags) = @_; |
1685 | my ($self, $npc, $msg, $flags) = @_; |
792 | |
1686 | |
793 | $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
1687 | $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
794 | |
1688 | |
… | |
… | |
798 | $msg = $npc->name . " says: $msg" if $npc; |
1692 | $msg = $npc->name . " says: $msg" if $npc; |
799 | $self->message ($msg, $flags); |
1693 | $self->message ($msg, $flags); |
800 | } |
1694 | } |
801 | } |
1695 | } |
802 | |
1696 | |
803 | =item $player->ext_reply ($msgid, $msgtype, %msg) |
|
|
804 | |
|
|
805 | Sends an ext reply to the player. |
|
|
806 | |
|
|
807 | =cut |
|
|
808 | |
|
|
809 | sub cf::player::ext_reply($$$%) { |
|
|
810 | my ($self, $id, %msg) = @_; |
|
|
811 | |
|
|
812 | $msg{msgid} = $id; |
|
|
813 | |
|
|
814 | $self->send ("ext " . to_json \%msg); |
|
|
815 | } |
|
|
816 | |
|
|
817 | =item $player_object->may ("access") |
1697 | =item $player_object->may ("access") |
818 | |
1698 | |
819 | Returns wether the given player is authorized to access resource "access" |
1699 | Returns wether the given player is authorized to access resource "access" |
820 | (e.g. "command_wizcast"). |
1700 | (e.g. "command_wizcast"). |
821 | |
1701 | |
… | |
… | |
828 | (ref $cf::CFG{"may_$access"} |
1708 | (ref $cf::CFG{"may_$access"} |
829 | ? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}} |
1709 | ? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}} |
830 | : $cf::CFG{"may_$access"}) |
1710 | : $cf::CFG{"may_$access"}) |
831 | } |
1711 | } |
832 | |
1712 | |
833 | =cut |
1713 | =item $player_object->enter_link |
834 | |
1714 | |
835 | ############################################################################# |
1715 | Freezes the player and moves him/her to a special map (C<{link}>). |
|
|
1716 | |
|
|
1717 | The player should be reasonably safe there for short amounts of time. You |
|
|
1718 | I<MUST> call C<leave_link> as soon as possible, though. |
|
|
1719 | |
|
|
1720 | Will never block. |
|
|
1721 | |
|
|
1722 | =item $player_object->leave_link ($map, $x, $y) |
|
|
1723 | |
|
|
1724 | Moves the player out of the special C<{link}> map onto the specified |
|
|
1725 | map. If the map is not valid (or omitted), the player will be moved back |
|
|
1726 | to the location he/she was before the call to C<enter_link>, or, if that |
|
|
1727 | fails, to the emergency map position. |
|
|
1728 | |
|
|
1729 | Might block. |
|
|
1730 | |
|
|
1731 | =cut |
|
|
1732 | |
|
|
1733 | sub link_map { |
|
|
1734 | unless ($LINK_MAP) { |
|
|
1735 | $LINK_MAP = cf::map::find "{link}" |
|
|
1736 | or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; |
|
|
1737 | $LINK_MAP->load; |
|
|
1738 | } |
|
|
1739 | |
|
|
1740 | $LINK_MAP |
|
|
1741 | } |
|
|
1742 | |
|
|
1743 | sub cf::object::player::enter_link { |
|
|
1744 | my ($self) = @_; |
|
|
1745 | |
|
|
1746 | $self->deactivate_recursive; |
|
|
1747 | |
|
|
1748 | return if UNIVERSAL::isa $self->map, "ext::map_link"; |
|
|
1749 | |
|
|
1750 | $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] |
|
|
1751 | if $self->map; |
|
|
1752 | |
|
|
1753 | $self->enter_map ($LINK_MAP || link_map, 10, 10); |
|
|
1754 | } |
|
|
1755 | |
|
|
1756 | sub cf::object::player::leave_link { |
|
|
1757 | my ($self, $map, $x, $y) = @_; |
|
|
1758 | |
|
|
1759 | my $link_pos = delete $self->{_link_pos}; |
|
|
1760 | |
|
|
1761 | unless ($map) { |
|
|
1762 | # restore original map position |
|
|
1763 | ($map, $x, $y) = @{ $link_pos || [] }; |
|
|
1764 | $map = cf::map::find $map; |
|
|
1765 | |
|
|
1766 | unless ($map) { |
|
|
1767 | ($map, $x, $y) = @$EMERGENCY_POSITION; |
|
|
1768 | $map = cf::map::find $map |
|
|
1769 | or die "FATAL: cannot load emergency map\n"; |
|
|
1770 | } |
|
|
1771 | } |
|
|
1772 | |
|
|
1773 | ($x, $y) = (-1, -1) |
|
|
1774 | unless (defined $x) && (defined $y); |
|
|
1775 | |
|
|
1776 | # use -1 or undef as default coordinates, not 0, 0 |
|
|
1777 | ($x, $y) = ($map->enter_x, $map->enter_y) |
|
|
1778 | if $x <=0 && $y <= 0; |
|
|
1779 | |
|
|
1780 | $map->load; |
|
|
1781 | $map->load_diag; |
|
|
1782 | |
|
|
1783 | return unless $self->contr->active; |
|
|
1784 | $self->activate_recursive; |
|
|
1785 | $self->enter_map ($map, $x, $y); |
|
|
1786 | } |
|
|
1787 | |
|
|
1788 | cf::player->attach ( |
|
|
1789 | on_logout => sub { |
|
|
1790 | my ($pl) = @_; |
|
|
1791 | |
|
|
1792 | # abort map switching before logout |
|
|
1793 | if ($pl->ob->{_link_pos}) { |
|
|
1794 | cf::sync_job { |
|
|
1795 | $pl->ob->leave_link |
|
|
1796 | }; |
|
|
1797 | } |
|
|
1798 | }, |
|
|
1799 | on_login => sub { |
|
|
1800 | my ($pl) = @_; |
|
|
1801 | |
|
|
1802 | # try to abort aborted map switching on player login :) |
|
|
1803 | # should happen only on crashes |
|
|
1804 | if ($pl->ob->{_link_pos}) { |
|
|
1805 | $pl->ob->enter_link; |
|
|
1806 | (async { |
|
|
1807 | # we need this sleep as the login has a concurrent enter_exit running |
|
|
1808 | # and this sleep increases chances of the player not ending up in scorn |
|
|
1809 | $pl->ob->reply (undef, |
|
|
1810 | "There was an internal problem at your last logout, " |
|
|
1811 | . "the server will try to bring you to your intended destination in a second.", |
|
|
1812 | cf::NDI_RED); |
|
|
1813 | Coro::Timer::sleep 1; |
|
|
1814 | $pl->ob->leave_link; |
|
|
1815 | })->prio (2); |
|
|
1816 | } |
|
|
1817 | }, |
|
|
1818 | ); |
|
|
1819 | |
|
|
1820 | =item $player_object->goto ($path, $x, $y) |
|
|
1821 | |
|
|
1822 | =cut |
|
|
1823 | |
|
|
1824 | sub cf::object::player::goto { |
|
|
1825 | my ($self, $path, $x, $y) = @_; |
|
|
1826 | |
|
|
1827 | $self->enter_link; |
|
|
1828 | |
|
|
1829 | (async { |
|
|
1830 | my $map = cf::map::find $path; |
|
|
1831 | $map = $map->customise_for ($self) if $map; |
|
|
1832 | |
|
|
1833 | # warn "entering ", $map->path, " at ($x, $y)\n" |
|
|
1834 | # if $map; |
|
|
1835 | |
|
|
1836 | $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); |
|
|
1837 | |
|
|
1838 | $self->leave_link ($map, $x, $y); |
|
|
1839 | })->prio (1); |
|
|
1840 | } |
|
|
1841 | |
|
|
1842 | =item $player_object->enter_exit ($exit_object) |
|
|
1843 | |
|
|
1844 | =cut |
|
|
1845 | |
|
|
1846 | sub parse_random_map_params { |
|
|
1847 | my ($spec) = @_; |
|
|
1848 | |
|
|
1849 | my $rmp = { # defaults |
|
|
1850 | xsize => (cf::rndm 15, 40), |
|
|
1851 | ysize => (cf::rndm 15, 40), |
|
|
1852 | symmetry => (cf::rndm 1, cf::SYMMETRY_XY), |
|
|
1853 | #layout => string, |
|
|
1854 | }; |
|
|
1855 | |
|
|
1856 | for (split /\n/, $spec) { |
|
|
1857 | my ($k, $v) = split /\s+/, $_, 2; |
|
|
1858 | |
|
|
1859 | $rmp->{lc $k} = $v if (length $k) && (length $v); |
|
|
1860 | } |
|
|
1861 | |
|
|
1862 | $rmp |
|
|
1863 | } |
|
|
1864 | |
|
|
1865 | sub prepare_random_map { |
|
|
1866 | my ($exit) = @_; |
|
|
1867 | |
|
|
1868 | my $guard = cf::lock_acquire "exit_prepare:$exit"; |
|
|
1869 | |
|
|
1870 | # all this does is basically replace the /! path by |
|
|
1871 | # a new random map path (?random/...) with a seed |
|
|
1872 | # that depends on the exit object |
|
|
1873 | |
|
|
1874 | my $rmp = parse_random_map_params $exit->msg; |
|
|
1875 | |
|
|
1876 | if ($exit->map) { |
|
|
1877 | $rmp->{region} = $exit->map->region_name; |
|
|
1878 | $rmp->{origin_map} = $exit->map->path; |
|
|
1879 | $rmp->{origin_x} = $exit->x; |
|
|
1880 | $rmp->{origin_y} = $exit->y; |
|
|
1881 | } |
|
|
1882 | |
|
|
1883 | $rmp->{random_seed} ||= $exit->random_seed; |
|
|
1884 | |
|
|
1885 | my $data = cf::to_json $rmp; |
|
|
1886 | my $md5 = Digest::MD5::md5_hex $data; |
|
|
1887 | my $meta = "$cf::RANDOM_MAPS/$md5.meta"; |
|
|
1888 | |
|
|
1889 | if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { |
|
|
1890 | aio_write $fh, 0, (length $data), $data, 0; |
|
|
1891 | undef $fh; |
|
|
1892 | aio_rename "$meta~", $meta; |
|
|
1893 | |
|
|
1894 | $exit->slaying ("?random/$md5"); |
|
|
1895 | $exit->msg (undef); |
|
|
1896 | } |
|
|
1897 | } |
|
|
1898 | |
|
|
1899 | sub cf::object::player::enter_exit { |
|
|
1900 | my ($self, $exit) = @_; |
|
|
1901 | |
|
|
1902 | return unless $self->type == cf::PLAYER; |
|
|
1903 | |
|
|
1904 | if ($exit->slaying eq "/!") { |
|
|
1905 | #TODO: this should de-fi-ni-te-ly not be a sync-job |
|
|
1906 | cf::sync_job { prepare_random_map $exit }; |
|
|
1907 | } |
|
|
1908 | |
|
|
1909 | my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; |
|
|
1910 | my $hp = $exit->stats->hp; |
|
|
1911 | my $sp = $exit->stats->sp; |
|
|
1912 | |
|
|
1913 | $self->enter_link; |
|
|
1914 | |
|
|
1915 | (async { |
|
|
1916 | $self->deactivate_recursive; # just to be sure |
|
|
1917 | unless (eval { |
|
|
1918 | $self->goto ($slaying, $hp, $sp); |
|
|
1919 | |
|
|
1920 | 1; |
|
|
1921 | }) { |
|
|
1922 | $self->message ("Something went wrong deep within the crossfire server. " |
|
|
1923 | . "I'll try to bring you back to the map you were before. " |
|
|
1924 | . "Please report this to the dungeon master!", |
|
|
1925 | cf::NDI_UNIQUE | cf::NDI_RED); |
|
|
1926 | |
|
|
1927 | warn "ERROR in enter_exit: $@"; |
|
|
1928 | $self->leave_link; |
|
|
1929 | } |
|
|
1930 | })->prio (1); |
|
|
1931 | } |
|
|
1932 | |
|
|
1933 | =head3 cf::client |
|
|
1934 | |
|
|
1935 | =over 4 |
|
|
1936 | |
|
|
1937 | =item $client->send_drawinfo ($text, $flags) |
|
|
1938 | |
|
|
1939 | Sends a drawinfo packet to the client. Circumvents output buffering so |
|
|
1940 | should not be used under normal circumstances. |
|
|
1941 | |
|
|
1942 | =cut |
|
|
1943 | |
|
|
1944 | sub cf::client::send_drawinfo { |
|
|
1945 | my ($self, $text, $flags) = @_; |
|
|
1946 | |
|
|
1947 | utf8::encode $text; |
|
|
1948 | $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); |
|
|
1949 | } |
|
|
1950 | |
|
|
1951 | |
|
|
1952 | =item $success = $client->query ($flags, "text", \&cb) |
|
|
1953 | |
|
|
1954 | Queues a query to the client, calling the given callback with |
|
|
1955 | the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, |
|
|
1956 | C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. |
|
|
1957 | |
|
|
1958 | Queries can fail, so check the return code. Or don't, as queries will become |
|
|
1959 | reliable at some point in the future. |
|
|
1960 | |
|
|
1961 | =cut |
|
|
1962 | |
|
|
1963 | sub cf::client::query { |
|
|
1964 | my ($self, $flags, $text, $cb) = @_; |
|
|
1965 | |
|
|
1966 | return unless $self->state == ST_PLAYING |
|
|
1967 | || $self->state == ST_SETUP |
|
|
1968 | || $self->state == ST_CUSTOM; |
|
|
1969 | |
|
|
1970 | $self->state (ST_CUSTOM); |
|
|
1971 | |
|
|
1972 | utf8::encode $text; |
|
|
1973 | push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; |
|
|
1974 | |
|
|
1975 | $self->send_packet ($self->{query_queue}[0][0]) |
|
|
1976 | if @{ $self->{query_queue} } == 1; |
|
|
1977 | } |
|
|
1978 | |
|
|
1979 | cf::client->attach ( |
|
|
1980 | on_reply => sub { |
|
|
1981 | my ($ns, $msg) = @_; |
|
|
1982 | |
|
|
1983 | # this weird shuffling is so that direct followup queries |
|
|
1984 | # get handled first |
|
|
1985 | my $queue = delete $ns->{query_queue} |
|
|
1986 | or return; # be conservative, not sure how that can happen, but we saw a crash here |
|
|
1987 | |
|
|
1988 | (shift @$queue)->[1]->($msg); |
|
|
1989 | |
|
|
1990 | push @{ $ns->{query_queue} }, @$queue; |
|
|
1991 | |
|
|
1992 | if (@{ $ns->{query_queue} } == @$queue) { |
|
|
1993 | if (@$queue) { |
|
|
1994 | $ns->send_packet ($ns->{query_queue}[0][0]); |
|
|
1995 | } else { |
|
|
1996 | $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; |
|
|
1997 | } |
|
|
1998 | } |
|
|
1999 | }, |
|
|
2000 | ); |
|
|
2001 | |
|
|
2002 | =item $client->async (\&cb) |
|
|
2003 | |
|
|
2004 | Create a new coroutine, running the specified callback. The coroutine will |
|
|
2005 | be automatically cancelled when the client gets destroyed (e.g. on logout, |
|
|
2006 | or loss of connection). |
|
|
2007 | |
|
|
2008 | =cut |
|
|
2009 | |
|
|
2010 | sub cf::client::async { |
|
|
2011 | my ($self, $cb) = @_; |
|
|
2012 | |
|
|
2013 | my $coro = &Coro::async ($cb); |
|
|
2014 | |
|
|
2015 | $coro->on_destroy (sub { |
|
|
2016 | delete $self->{_coro}{$coro+0}; |
|
|
2017 | }); |
|
|
2018 | |
|
|
2019 | $self->{_coro}{$coro+0} = $coro; |
|
|
2020 | |
|
|
2021 | $coro |
|
|
2022 | } |
|
|
2023 | |
|
|
2024 | cf::client->attach ( |
|
|
2025 | on_destroy => sub { |
|
|
2026 | my ($ns) = @_; |
|
|
2027 | |
|
|
2028 | $_->cancel for values %{ (delete $ns->{_coro}) || {} }; |
|
|
2029 | }, |
|
|
2030 | ); |
|
|
2031 | |
|
|
2032 | =back |
|
|
2033 | |
836 | |
2034 | |
837 | =head2 SAFE SCRIPTING |
2035 | =head2 SAFE SCRIPTING |
838 | |
2036 | |
839 | Functions that provide a safe environment to compile and execute |
2037 | Functions that provide a safe environment to compile and execute |
840 | snippets of perl code without them endangering the safety of the server |
2038 | snippets of perl code without them endangering the safety of the server |
… | |
… | |
855 | |
2053 | |
856 | =pod |
2054 | =pod |
857 | |
2055 | |
858 | The following fucntions and emthods are available within a safe environment: |
2056 | The following fucntions and emthods are available within a safe environment: |
859 | |
2057 | |
860 | cf::object contr pay_amount pay_player |
2058 | cf::object contr pay_amount pay_player map |
861 | cf::object::player player |
2059 | cf::object::player player |
862 | cf::player peaceful |
2060 | cf::player peaceful |
|
|
2061 | cf::map trigger |
863 | |
2062 | |
864 | =cut |
2063 | =cut |
865 | |
2064 | |
866 | for ( |
2065 | for ( |
867 | ["cf::object" => qw(contr pay_amount pay_player)], |
2066 | ["cf::object" => qw(contr pay_amount pay_player map)], |
868 | ["cf::object::player" => qw(player)], |
2067 | ["cf::object::player" => qw(player)], |
869 | ["cf::player" => qw(peaceful)], |
2068 | ["cf::player" => qw(peaceful)], |
|
|
2069 | ["cf::map" => qw(trigger)], |
870 | ) { |
2070 | ) { |
871 | no strict 'refs'; |
2071 | no strict 'refs'; |
872 | my ($pkg, @funs) = @$_; |
2072 | my ($pkg, @funs) = @$_; |
873 | *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
2073 | *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
874 | for @funs; |
2074 | for @funs; |
… | |
… | |
990 | |
2190 | |
991 | { |
2191 | { |
992 | my $path = cf::localdir . "/database.pst"; |
2192 | my $path = cf::localdir . "/database.pst"; |
993 | |
2193 | |
994 | sub db_load() { |
2194 | sub db_load() { |
995 | warn "loading database $path\n";#d# remove later |
|
|
996 | $DB = stat $path ? Storable::retrieve $path : { }; |
2195 | $DB = stat $path ? Storable::retrieve $path : { }; |
997 | } |
2196 | } |
998 | |
2197 | |
999 | my $pid; |
2198 | my $pid; |
1000 | |
2199 | |
1001 | sub db_save() { |
2200 | sub db_save() { |
1002 | warn "saving database $path\n";#d# remove later |
|
|
1003 | waitpid $pid, 0 if $pid; |
2201 | waitpid $pid, 0 if $pid; |
1004 | if (0 == ($pid = fork)) { |
2202 | if (0 == ($pid = fork)) { |
1005 | $DB->{_meta}{version} = 1; |
2203 | $DB->{_meta}{version} = 1; |
1006 | Storable::nstore $DB, "$path~"; |
2204 | Storable::nstore $DB, "$path~"; |
1007 | rename "$path~", $path; |
2205 | rename "$path~", $path; |
… | |
… | |
1014 | sub db_sync() { |
2212 | sub db_sync() { |
1015 | db_save if $dirty; |
2213 | db_save if $dirty; |
1016 | undef $dirty; |
2214 | undef $dirty; |
1017 | } |
2215 | } |
1018 | |
2216 | |
1019 | my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, cb => sub { |
2217 | my $idle = Event->idle ( |
1020 | db_sync; |
2218 | reentrant => 0, |
|
|
2219 | min => 10, |
|
|
2220 | max => 20, |
|
|
2221 | repeat => 0, |
|
|
2222 | data => WF_AUTOCANCEL, |
|
|
2223 | cb => \&db_sync, |
1021 | }); |
2224 | ); |
1022 | |
2225 | |
1023 | sub db_dirty() { |
2226 | sub db_dirty() { |
1024 | $dirty = 1; |
2227 | $dirty = 1; |
1025 | $idle->start; |
2228 | $idle->start; |
1026 | } |
2229 | } |
… | |
… | |
1038 | $DB->{$_[0]} = $_[1]; |
2241 | $DB->{$_[0]} = $_[1]; |
1039 | } |
2242 | } |
1040 | db_dirty; |
2243 | db_dirty; |
1041 | } |
2244 | } |
1042 | |
2245 | |
1043 | attach_global |
2246 | cf::global->attach ( |
1044 | prio => 10000, |
2247 | prio => 10000, |
1045 | on_cleanup => sub { |
2248 | on_cleanup => sub { |
1046 | db_sync; |
2249 | db_sync; |
1047 | }, |
2250 | }, |
1048 | ; |
2251 | ); |
1049 | } |
2252 | } |
1050 | |
2253 | |
1051 | ############################################################################# |
2254 | ############################################################################# |
1052 | # the server's main() |
2255 | # the server's main() |
1053 | |
2256 | |
… | |
… | |
1055 | open my $fh, "<:utf8", cf::confdir . "/config" |
2258 | open my $fh, "<:utf8", cf::confdir . "/config" |
1056 | or return; |
2259 | or return; |
1057 | |
2260 | |
1058 | local $/; |
2261 | local $/; |
1059 | *CFG = YAML::Syck::Load <$fh>; |
2262 | *CFG = YAML::Syck::Load <$fh>; |
|
|
2263 | |
|
|
2264 | $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; |
|
|
2265 | |
|
|
2266 | $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; |
|
|
2267 | $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; |
|
|
2268 | |
|
|
2269 | if (exists $CFG{mlockall}) { |
|
|
2270 | eval { |
|
|
2271 | $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" |
|
|
2272 | and die "WARNING: m(un)lockall failed: $!\n"; |
|
|
2273 | }; |
|
|
2274 | warn $@ if $@; |
|
|
2275 | } |
1060 | } |
2276 | } |
1061 | |
2277 | |
1062 | sub main { |
2278 | sub main { |
|
|
2279 | # we must not ever block the main coroutine |
|
|
2280 | local $Coro::idle = sub { |
|
|
2281 | Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# |
|
|
2282 | (async { |
|
|
2283 | Event::one_event; |
|
|
2284 | })->prio (Coro::PRIO_MAX); |
|
|
2285 | }; |
|
|
2286 | |
1063 | cfg_load; |
2287 | cfg_load; |
1064 | db_load; |
2288 | db_load; |
1065 | load_extensions; |
2289 | load_extensions; |
|
|
2290 | |
|
|
2291 | $TICK_WATCHER->start; |
1066 | Event::loop; |
2292 | Event::loop; |
1067 | } |
2293 | } |
1068 | |
2294 | |
1069 | ############################################################################# |
2295 | ############################################################################# |
1070 | # initialisation |
2296 | # initialisation and cleanup |
1071 | |
2297 | |
|
|
2298 | # install some emergency cleanup handlers |
|
|
2299 | BEGIN { |
|
|
2300 | for my $signal (qw(INT HUP TERM)) { |
|
|
2301 | Event->signal ( |
|
|
2302 | reentrant => 0, |
|
|
2303 | data => WF_AUTOCANCEL, |
|
|
2304 | signal => $signal, |
|
|
2305 | prio => 0, |
|
|
2306 | cb => sub { |
|
|
2307 | cf::cleanup "SIG$signal"; |
|
|
2308 | }, |
|
|
2309 | ); |
|
|
2310 | } |
|
|
2311 | } |
|
|
2312 | |
|
|
2313 | sub emergency_save() { |
|
|
2314 | my $freeze_guard = cf::freeze_mainloop; |
|
|
2315 | |
|
|
2316 | warn "enter emergency perl save\n"; |
|
|
2317 | |
|
|
2318 | cf::sync_job { |
|
|
2319 | # use a peculiar iteration method to avoid tripping on perl |
|
|
2320 | # refcount bugs in for. also avoids problems with players |
|
|
2321 | # and maps saved/destroyed asynchronously. |
|
|
2322 | warn "begin emergency player save\n"; |
|
|
2323 | for my $login (keys %cf::PLAYER) { |
|
|
2324 | my $pl = $cf::PLAYER{$login} or next; |
|
|
2325 | $pl->valid or next; |
|
|
2326 | $pl->save; |
|
|
2327 | } |
|
|
2328 | warn "end emergency player save\n"; |
|
|
2329 | |
|
|
2330 | warn "begin emergency map save\n"; |
|
|
2331 | for my $path (keys %cf::MAP) { |
|
|
2332 | my $map = $cf::MAP{$path} or next; |
|
|
2333 | $map->valid or next; |
|
|
2334 | $map->save; |
|
|
2335 | } |
|
|
2336 | warn "end emergency map save\n"; |
|
|
2337 | }; |
|
|
2338 | |
|
|
2339 | warn "leave emergency perl save\n"; |
|
|
2340 | } |
|
|
2341 | |
1072 | sub _perl_reload(&) { |
2342 | sub reload() { |
1073 | my ($msg) = @_; |
2343 | # can/must only be called in main |
|
|
2344 | if ($Coro::current != $Coro::main) { |
|
|
2345 | warn "can only reload from main coroutine"; |
|
|
2346 | return; |
|
|
2347 | } |
1074 | |
2348 | |
1075 | $msg->("reloading..."); |
2349 | warn "reloading..."; |
|
|
2350 | |
|
|
2351 | warn "cancelling server ticker"; |
|
|
2352 | $TICK_WATCHER->cancel; |
|
|
2353 | |
|
|
2354 | cf::emergency_save; |
1076 | |
2355 | |
1077 | eval { |
2356 | eval { |
1078 | # cancel all watchers |
2357 | # if anything goes wrong in here, we should simply crash as we already saved |
|
|
2358 | |
|
|
2359 | warn "syncing database to disk"; |
|
|
2360 | cf::db_sync; |
|
|
2361 | |
|
|
2362 | warn "cancelling all WF_AUTOCANCEL watchers"; |
1079 | $_->cancel for Event::all_watchers; |
2363 | for (Event::all_watchers) { |
|
|
2364 | $_->cancel if $_->data & WF_AUTOCANCEL; |
|
|
2365 | } |
1080 | |
2366 | |
1081 | # unload all extensions |
2367 | warn "flushing outstanding aio requests"; |
1082 | for (@exts) { |
2368 | for (;;) { |
1083 | $msg->("unloading <$_>"); |
2369 | IO::AIO::flush; |
1084 | unload_extension $_; |
2370 | Coro::cede; |
|
|
2371 | last unless IO::AIO::nreqs; |
|
|
2372 | warn "iterate..."; |
|
|
2373 | } |
|
|
2374 | |
|
|
2375 | warn "cancelling all extension coros"; |
|
|
2376 | $_->cancel for values %EXT_CORO; |
|
|
2377 | %EXT_CORO = (); |
|
|
2378 | |
|
|
2379 | warn "removing commands"; |
|
|
2380 | %COMMAND = (); |
|
|
2381 | |
|
|
2382 | warn "removing ext commands"; |
|
|
2383 | %EXTCMD = (); |
|
|
2384 | |
|
|
2385 | warn "unloading/nuking all extensions"; |
|
|
2386 | for my $pkg (@EXTS) { |
|
|
2387 | warn "... unloading $pkg"; |
|
|
2388 | |
|
|
2389 | if (my $cb = $pkg->can ("unload")) { |
|
|
2390 | eval { |
|
|
2391 | $cb->($pkg); |
|
|
2392 | 1 |
|
|
2393 | } or warn "$pkg unloaded, but with errors: $@"; |
1085 | } |
2394 | } |
1086 | |
2395 | |
|
|
2396 | warn "... nuking $pkg"; |
|
|
2397 | Symbol::delete_package $pkg; |
|
|
2398 | } |
|
|
2399 | |
1087 | # unload all modules loaded from $LIBDIR |
2400 | warn "unloading all perl modules loaded from $LIBDIR"; |
1088 | while (my ($k, $v) = each %INC) { |
2401 | while (my ($k, $v) = each %INC) { |
1089 | next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
2402 | next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
1090 | |
2403 | |
1091 | $msg->("removing <$k>"); |
2404 | warn "... unloading $k"; |
1092 | delete $INC{$k}; |
2405 | delete $INC{$k}; |
1093 | |
2406 | |
1094 | $k =~ s/\.pm$//; |
2407 | $k =~ s/\.pm$//; |
1095 | $k =~ s/\//::/g; |
2408 | $k =~ s/\//::/g; |
1096 | |
2409 | |
… | |
… | |
1099 | } |
2412 | } |
1100 | |
2413 | |
1101 | Symbol::delete_package $k; |
2414 | Symbol::delete_package $k; |
1102 | } |
2415 | } |
1103 | |
2416 | |
1104 | # sync database to disk |
|
|
1105 | cf::db_sync; |
|
|
1106 | |
|
|
1107 | # get rid of safe::, as good as possible |
2417 | warn "getting rid of safe::, as good as possible"; |
1108 | Symbol::delete_package "safe::$_" |
2418 | Symbol::delete_package "safe::$_" |
1109 | for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region); |
2419 | for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); |
1110 | |
2420 | |
1111 | # remove register_script_function callbacks |
|
|
1112 | # TODO |
|
|
1113 | |
|
|
1114 | # unload cf.pm "a bit" |
2421 | warn "unloading cf.pm \"a bit\""; |
1115 | delete $INC{"cf.pm"}; |
2422 | delete $INC{"cf.pm"}; |
1116 | |
2423 | |
1117 | # don't, removes xs symbols, too, |
2424 | # don't, removes xs symbols, too, |
1118 | # and global variables created in xs |
2425 | # and global variables created in xs |
1119 | #Symbol::delete_package __PACKAGE__; |
2426 | #Symbol::delete_package __PACKAGE__; |
1120 | |
2427 | |
1121 | # reload cf.pm |
2428 | warn "unload completed, starting to reload now"; |
|
|
2429 | |
1122 | $msg->("reloading cf.pm"); |
2430 | warn "reloading cf.pm"; |
1123 | require cf; |
2431 | require cf; |
|
|
2432 | cf::_connect_to_perl; # nominally unnecessary, but cannot hurt |
1124 | |
2433 | |
1125 | # load config and database again |
2434 | warn "loading config and database again"; |
1126 | cf::cfg_load; |
2435 | cf::cfg_load; |
1127 | cf::db_load; |
2436 | cf::db_load; |
1128 | |
2437 | |
1129 | # load extensions |
2438 | warn "loading extensions"; |
1130 | $msg->("load extensions"); |
|
|
1131 | cf::load_extensions; |
2439 | cf::load_extensions; |
1132 | |
2440 | |
1133 | # reattach attachments to objects |
2441 | warn "reattaching attachments to objects/players"; |
1134 | $msg->("reattach"); |
|
|
1135 | _global_reattach; |
2442 | _global_reattach; |
|
|
2443 | warn "reattaching attachments to maps"; |
|
|
2444 | reattach $_ for values %MAP; |
|
|
2445 | |
|
|
2446 | warn "restarting server ticker"; |
|
|
2447 | |
|
|
2448 | $TICK_WATCHER->start; |
1136 | }; |
2449 | }; |
1137 | $msg->($@) if $@; |
|
|
1138 | |
2450 | |
1139 | $msg->("reloaded"); |
2451 | if ($@) { |
|
|
2452 | warn $@; |
|
|
2453 | warn "error while reloading, exiting."; |
|
|
2454 | exit 1; |
|
|
2455 | } |
|
|
2456 | |
|
|
2457 | warn "reloaded"; |
1140 | }; |
2458 | }; |
1141 | |
2459 | |
1142 | sub perl_reload() { |
2460 | our $RELOAD_WATCHER; # used only during reload |
1143 | _perl_reload { |
|
|
1144 | warn $_[0]; |
|
|
1145 | print "$_[0]\n"; |
|
|
1146 | }; |
|
|
1147 | } |
|
|
1148 | |
2461 | |
1149 | register_command "perl-reload", 0, sub { |
2462 | register_command "reload" => sub { |
1150 | my ($who, $arg) = @_; |
2463 | my ($who, $arg) = @_; |
1151 | |
2464 | |
1152 | if ($who->flag (FLAG_WIZ)) { |
2465 | if ($who->flag (FLAG_WIZ)) { |
1153 | _perl_reload { |
2466 | $who->message ("reloading server."); |
1154 | warn $_[0]; |
2467 | |
1155 | $who->message ($_[0]); |
2468 | # doing reload synchronously and two reloads happen back-to-back, |
|
|
2469 | # coro crashes during coro_state_free->destroy here. |
|
|
2470 | |
|
|
2471 | $RELOAD_WATCHER ||= Event->timer ( |
|
|
2472 | reentrant => 0, |
|
|
2473 | after => 0, |
|
|
2474 | data => WF_AUTOCANCEL, |
|
|
2475 | cb => sub { |
|
|
2476 | reload; |
|
|
2477 | undef $RELOAD_WATCHER; |
|
|
2478 | }, |
1156 | }; |
2479 | ); |
1157 | } |
2480 | } |
1158 | }; |
2481 | }; |
1159 | |
2482 | |
1160 | register "<global>", __PACKAGE__; |
|
|
1161 | |
|
|
1162 | unshift @INC, $LIBDIR; |
2483 | unshift @INC, $LIBDIR; |
1163 | |
2484 | |
|
|
2485 | my $bug_warning = 0; |
|
|
2486 | |
1164 | $TICK_WATCHER = Event->timer ( |
2487 | $TICK_WATCHER = Event->timer ( |
|
|
2488 | reentrant => 0, |
|
|
2489 | parked => 1, |
1165 | prio => 1, |
2490 | prio => 0, |
1166 | async => 1, |
|
|
1167 | at => $NEXT_TICK || 1, |
2491 | at => $NEXT_TICK || $TICK, |
|
|
2492 | data => WF_AUTOCANCEL, |
1168 | cb => sub { |
2493 | cb => sub { |
|
|
2494 | if ($Coro::current != $Coro::main) { |
|
|
2495 | Carp::cluck "major BUG: server tick called outside of main coro, skipping it" |
|
|
2496 | unless ++$bug_warning > 10; |
|
|
2497 | return; |
|
|
2498 | } |
|
|
2499 | |
|
|
2500 | $NOW = Event::time; |
|
|
2501 | |
1169 | cf::server_tick; # one server iteration |
2502 | cf::server_tick; # one server iteration |
1170 | |
2503 | $RUNTIME += $TICK; |
1171 | my $NOW = Event::time; |
|
|
1172 | $NEXT_TICK += $TICK; |
2504 | $NEXT_TICK += $TICK; |
1173 | |
2505 | |
|
|
2506 | $WAIT_FOR_TICK->broadcast; |
|
|
2507 | $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; |
|
|
2508 | |
|
|
2509 | Event::sweep; |
|
|
2510 | Coro::cede_notself; |
|
|
2511 | |
|
|
2512 | # my $AFTER = Event::time; |
|
|
2513 | # warn $AFTER - $NOW;#d# |
|
|
2514 | |
1174 | # if we are delayed by four ticks or more, skip them all |
2515 | # if we are delayed by four ticks or more, skip them all |
1175 | $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4; |
2516 | $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; |
1176 | |
2517 | |
1177 | $TICK_WATCHER->at ($NEXT_TICK); |
2518 | $TICK_WATCHER->at ($NEXT_TICK); |
1178 | $TICK_WATCHER->start; |
2519 | $TICK_WATCHER->start; |
1179 | }, |
2520 | }, |
1180 | ); |
2521 | ); |
1181 | |
2522 | |
1182 | eval { IO::AIO::max_poll_time $TICK * 0.2 }; #d# remove eval after restart |
2523 | IO::AIO::max_poll_time $TICK * 0.1; |
1183 | |
2524 | |
|
|
2525 | undef $Coro::AIO::WATCHER; |
|
|
2526 | $AIO_POLL_WATCHER = Event->io ( |
|
|
2527 | reentrant => 0, |
1184 | Event->io (fd => IO::AIO::poll_fileno, |
2528 | fd => IO::AIO::poll_fileno, |
1185 | poll => 'r', |
2529 | poll => 'r', |
1186 | prio => 5, |
2530 | prio => 6, |
|
|
2531 | data => WF_AUTOCANCEL, |
1187 | cb => \&IO::AIO::poll_cb); |
2532 | cb => \&IO::AIO::poll_cb, |
|
|
2533 | ); |
|
|
2534 | |
|
|
2535 | $WRITE_RUNTIME_WATCHER = Event->timer ( |
|
|
2536 | reentrant => 0, |
|
|
2537 | data => WF_AUTOCANCEL, |
|
|
2538 | after => 1, |
|
|
2539 | interval => 10, |
|
|
2540 | prio => 6, # keep it lowest so it acts like a watchdog |
|
|
2541 | cb => Coro::unblock_sub { |
|
|
2542 | write_runtime |
|
|
2543 | or warn "ERROR: unable to write runtime file: $!"; |
|
|
2544 | }, |
|
|
2545 | ); |
|
|
2546 | |
|
|
2547 | END { cf::emergency_save } |
1188 | |
2548 | |
1189 | 1 |
2549 | 1 |
1190 | |
2550 | |