… | |
… | |
5 | use Storable; |
5 | use Storable; |
6 | use Opcode; |
6 | use Opcode; |
7 | use Safe; |
7 | use Safe; |
8 | use Safe::Hole; |
8 | use Safe::Hole; |
9 | |
9 | |
|
|
10 | use IO::AIO (); |
|
|
11 | use YAML::Syck (); |
10 | use Time::HiRes; |
12 | use Time::HiRes; |
11 | use Event; |
13 | use Event; |
12 | $Event::Eval = 1; # no idea why this is required, but it is |
14 | $Event::Eval = 1; # no idea why this is required, but it is |
13 | |
15 | |
|
|
16 | # work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? |
|
|
17 | $YAML::Syck::ImplicitUnicode = 1; |
|
|
18 | |
14 | use strict; |
19 | use strict; |
15 | |
20 | |
|
|
21 | sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload |
|
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22 | |
|
|
23 | our %COMMAND = (); |
|
|
24 | our %COMMAND_TIME = (); |
|
|
25 | our %EXTCMD = (); |
|
|
26 | |
16 | _init_vars; |
27 | _init_vars; |
17 | |
28 | |
18 | our %COMMAND = (); |
|
|
19 | our @EVENT; |
29 | our @EVENT; |
20 | our $LIBDIR = maps_directory "perl"; |
30 | our $LIBDIR = datadir . "/ext"; |
21 | |
31 | |
22 | our $TICK = MAX_TIME * 1e-6; |
32 | our $TICK = MAX_TIME * 1e-6; |
23 | our $TICK_WATCHER; |
33 | our $TICK_WATCHER; |
24 | our $NEXT_TICK; |
34 | our $NEXT_TICK; |
|
|
35 | |
|
|
36 | our %CFG; |
|
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37 | |
|
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38 | our $UPTIME; $UPTIME ||= time; |
|
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39 | |
|
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40 | ############################################################################# |
|
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41 | |
|
|
42 | =head2 GLOBAL VARIABLES |
|
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43 | |
|
|
44 | =over 4 |
|
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45 | |
|
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46 | =item $cf::UPTIME |
|
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47 | |
|
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48 | The timestamp of the server start (so not actually an uptime). |
|
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49 | |
|
|
50 | =item $cf::LIBDIR |
|
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51 | |
|
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52 | The perl library directory, where extensions and cf-specific modules can |
|
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53 | be found. It will be added to C<@INC> automatically. |
|
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54 | |
|
|
55 | =item $cf::TICK |
|
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56 | |
|
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57 | The interval between server ticks, in seconds. |
|
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58 | |
|
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59 | =item %cf::CFG |
|
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60 | |
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61 | Configuration for the server, loaded from C</etc/crossfire/config>, or |
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62 | from wherever your confdir points to. |
|
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63 | |
|
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64 | =back |
|
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65 | |
|
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66 | =cut |
25 | |
67 | |
26 | BEGIN { |
68 | BEGIN { |
27 | *CORE::GLOBAL::warn = sub { |
69 | *CORE::GLOBAL::warn = sub { |
28 | my $msg = join "", @_; |
70 | my $msg = join "", @_; |
29 | $msg .= "\n" |
71 | $msg .= "\n" |
… | |
… | |
32 | print STDERR "cfperl: $msg"; |
74 | print STDERR "cfperl: $msg"; |
33 | LOG llevError, "cfperl: $msg"; |
75 | LOG llevError, "cfperl: $msg"; |
34 | }; |
76 | }; |
35 | } |
77 | } |
36 | |
78 | |
|
|
79 | @safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; |
|
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80 | @safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; |
|
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81 | @safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; |
|
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82 | @safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; |
|
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83 | @safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; |
37 | @safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
84 | @safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
38 | |
85 | |
39 | # we bless all objects into (empty) derived classes to force a method lookup |
86 | # we bless all objects into (empty) derived classes to force a method lookup |
40 | # within the Safe compartment. |
87 | # within the Safe compartment. |
41 | for my $pkg (qw(cf::object cf::object::player cf::player cf::map cf::party cf::region cf::arch cf::living)) { |
88 | for my $pkg (qw( |
|
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89 | cf::global |
|
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90 | cf::object cf::object::player |
|
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91 | cf::client cf::player |
|
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92 | cf::arch cf::living |
|
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93 | cf::map cf::party cf::region |
|
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94 | )) { |
42 | no strict 'refs'; |
95 | no strict 'refs'; |
43 | @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
96 | @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
44 | } |
97 | } |
45 | |
98 | |
46 | $Event::DIED = sub { |
99 | $Event::DIED = sub { |
… | |
… | |
48 | }; |
101 | }; |
49 | |
102 | |
50 | my %ext_pkg; |
103 | my %ext_pkg; |
51 | my @exts; |
104 | my @exts; |
52 | my @hook; |
105 | my @hook; |
53 | my %command; |
|
|
54 | my %extcmd; |
|
|
55 | |
106 | |
56 | ############################################################################# |
107 | =head2 UTILITY FUNCTIONS |
57 | # utility functions |
108 | |
|
|
109 | =over 4 |
|
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110 | |
|
|
111 | =cut |
58 | |
112 | |
59 | use JSON::Syck (); # TODO# replace by JSON::PC once working |
113 | use JSON::Syck (); # TODO# replace by JSON::PC once working |
|
|
114 | |
|
|
115 | =item $ref = cf::from_json $json |
|
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116 | |
|
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117 | Converts a JSON string into the corresponding perl data structure. |
|
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118 | |
|
|
119 | =cut |
60 | |
120 | |
61 | sub from_json($) { |
121 | sub from_json($) { |
62 | $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs |
122 | $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs |
63 | JSON::Syck::Load $_[0] |
123 | JSON::Syck::Load $_[0] |
64 | } |
124 | } |
65 | |
125 | |
|
|
126 | =item $json = cf::to_json $ref |
|
|
127 | |
|
|
128 | Converts a perl data structure into its JSON representation. |
|
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129 | |
|
|
130 | =cut |
|
|
131 | |
66 | sub to_json($) { |
132 | sub to_json($) { |
67 | $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
133 | $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
68 | JSON::Syck::Dump $_[0] |
134 | JSON::Syck::Dump $_[0] |
69 | } |
135 | } |
70 | |
136 | |
|
|
137 | =back |
|
|
138 | |
|
|
139 | =cut |
|
|
140 | |
71 | ############################################################################# |
141 | ############################################################################# |
72 | # "new" plug-in system |
|
|
73 | |
142 | |
74 | =head3 EVENTS AND OBJECT ATTACHMENTS |
143 | =head2 ATTACHABLE OBJECTS |
|
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144 | |
|
|
145 | You can define and attach attachments to each "attachable" object in |
|
|
146 | crossfire+ (objects, players, clients, maps and the special "global" |
|
|
147 | class). In the following description, CLASS can be any of C<global>, |
|
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148 | C<object> C<player>, C<client> or C<map>. |
75 | |
149 | |
76 | =over 4 |
150 | =over 4 |
77 | |
151 | |
78 | =item $object->attach ($attachment, key => $value...) |
152 | =item cf::CLASS::attachment $name, ... |
79 | |
153 | |
80 | =item $object->detach ($attachment) |
154 | Register an attachment by name through which attachable objects can refer |
|
|
155 | to this attachment. |
81 | |
156 | |
82 | Attach/detach a pre-registered attachment to an object. |
|
|
83 | |
|
|
84 | =item $player->attach ($attachment, key => $value...) |
|
|
85 | |
|
|
86 | =item $player->detach ($attachment) |
|
|
87 | |
|
|
88 | Attach/detach a pre-registered attachment to a player. |
|
|
89 | |
|
|
90 | =item $map->attach ($attachment, key => $value...) |
|
|
91 | |
|
|
92 | =item $map->detach ($attachment) |
|
|
93 | |
|
|
94 | Attach/detach a pre-registered attachment to a map. |
|
|
95 | |
|
|
96 | =item $bool = $object->attached ($name) |
|
|
97 | |
|
|
98 | =item $bool = $player->attached ($name) |
|
|
99 | |
|
|
100 | =item $bool = $map->attached ($name) |
157 | =item $bool = $attachable->attached ($name) |
101 | |
158 | |
102 | Checks wether the named attachment is currently attached to the object. |
159 | Checks wether the named attachment is currently attached to the object. |
103 | |
160 | |
104 | =item cf::attach_global ... |
161 | =item $attachable->attach ($attachment, key => $value...) |
105 | |
162 | |
106 | Attach handlers for global events. |
163 | =item $attachable->detach ($attachment) |
107 | |
164 | |
108 | This and all following C<attach_*>-functions expect any number of the |
165 | Attach/detach a pre-registered attachment either to a specific object |
109 | following handler/hook descriptions: |
166 | (C<$attachable>) or all objects of the given class (if C<$attachable> is a |
|
|
167 | class in a static method call). |
|
|
168 | |
|
|
169 | You can attach to global events by using the C<cf::global> class. |
|
|
170 | |
|
|
171 | These method calls expect any number of the following handler/hook |
|
|
172 | descriptions: |
110 | |
173 | |
111 | =over 4 |
174 | =over 4 |
112 | |
175 | |
113 | =item prio => $number |
176 | =item prio => $number |
114 | |
177 | |
… | |
… | |
116 | by another C<prio> setting). Lower priority handlers get executed |
179 | by another C<prio> setting). Lower priority handlers get executed |
117 | earlier. The default priority is C<0>, and many built-in handlers are |
180 | earlier. The default priority is C<0>, and many built-in handlers are |
118 | registered at priority C<-1000>, so lower priorities should not be used |
181 | registered at priority C<-1000>, so lower priorities should not be used |
119 | unless you know what you are doing. |
182 | unless you know what you are doing. |
120 | |
183 | |
|
|
184 | =item type => $type |
|
|
185 | |
|
|
186 | (Only for C<< cf::object->attach >> calls), limits the attachment to the |
|
|
187 | given type of objects only (the additional parameter C<subtype> can be |
|
|
188 | used to further limit to the given subtype). |
|
|
189 | |
121 | =item on_I<event> => \&cb |
190 | =item on_I<event> => \&cb |
122 | |
191 | |
123 | Call the given code reference whenever the named event happens (event is |
192 | Call the given code reference whenever the named event happens (event is |
124 | something like C<instantiate>, C<apply>, C<use_skill> and so on, and which |
193 | something like C<instantiate>, C<apply>, C<use_skill> and so on, and which |
125 | handlers are recognised generally depends on the type of object these |
194 | handlers are recognised generally depends on the type of object these |
… | |
… | |
134 | package and register them. Only handlers for eevents supported by the |
203 | package and register them. Only handlers for eevents supported by the |
135 | object/class are recognised. |
204 | object/class are recognised. |
136 | |
205 | |
137 | =back |
206 | =back |
138 | |
207 | |
139 | =item cf::attach_to_type $object_type, $subtype, ... |
|
|
140 | |
|
|
141 | Attach handlers for a specific object type (e.g. TRANSPORT) and |
|
|
142 | subtype. If C<$subtype> is zero or undef, matches all objects of the given |
|
|
143 | type. |
|
|
144 | |
|
|
145 | =item cf::attach_to_objects ... |
|
|
146 | |
|
|
147 | Attach handlers to all objects. Do not use this except for debugging or |
|
|
148 | very rare events, as handlers are (obviously) called for I<all> objects in |
|
|
149 | the game. |
|
|
150 | |
|
|
151 | =item cf::attach_to_players ... |
|
|
152 | |
|
|
153 | Attach handlers to all players. |
|
|
154 | |
|
|
155 | =item cf::attach_to_maps ... |
|
|
156 | |
|
|
157 | Attach handlers to all maps. |
|
|
158 | |
|
|
159 | =item cf:register_attachment $name, ... |
|
|
160 | |
|
|
161 | Register an attachment by name through which objects can refer to this |
|
|
162 | attachment. |
|
|
163 | |
|
|
164 | =item cf:register_player_attachment $name, ... |
|
|
165 | |
|
|
166 | Register an attachment by name through which players can refer to this |
|
|
167 | attachment. |
|
|
168 | |
|
|
169 | =item cf:register_map_attachment $name, ... |
|
|
170 | |
|
|
171 | Register an attachment by name through which maps can refer to this |
|
|
172 | attachment. |
|
|
173 | |
|
|
174 | =cut |
208 | =cut |
175 | |
209 | |
176 | # the following variables are defined in .xs and must not be re-created |
210 | # the following variables are defined in .xs and must not be re-created |
177 | our @CB_GLOBAL = (); # registry for all global events |
211 | our @CB_GLOBAL = (); # registry for all global events |
178 | our @CB_OBJECT = (); # all objects (should not be used except in emergency) |
212 | our @CB_OBJECT = (); # all objects (should not be used except in emergency) |
179 | our @CB_PLAYER = (); |
213 | our @CB_PLAYER = (); |
|
|
214 | our @CB_CLIENT = (); |
180 | our @CB_TYPE = (); # registry for type (cf-object class) based events |
215 | our @CB_TYPE = (); # registry for type (cf-object class) based events |
181 | our @CB_MAP = (); |
216 | our @CB_MAP = (); |
182 | |
217 | |
183 | my %attachment; |
218 | my %attachment; |
184 | |
219 | |
185 | sub _attach_cb($\%$$$) { |
220 | sub _attach_cb($$$$) { |
186 | my ($registry, $undo, $event, $prio, $cb) = @_; |
221 | my ($registry, $event, $prio, $cb) = @_; |
187 | |
222 | |
188 | use sort 'stable'; |
223 | use sort 'stable'; |
189 | |
224 | |
190 | $cb = [$prio, $cb]; |
225 | $cb = [$prio, $cb]; |
191 | |
226 | |
192 | @{$registry->[$event]} = sort |
227 | @{$registry->[$event]} = sort |
193 | { $a->[0] cmp $b->[0] } |
228 | { $a->[0] cmp $b->[0] } |
194 | @{$registry->[$event] || []}, $cb; |
229 | @{$registry->[$event] || []}, $cb; |
195 | |
|
|
196 | push @{$undo->{cb}}, [$event, $cb]; |
|
|
197 | } |
230 | } |
198 | |
231 | |
199 | # attach handles attaching event callbacks |
232 | # attach handles attaching event callbacks |
200 | # the only thing the caller has to do is pass the correct |
233 | # the only thing the caller has to do is pass the correct |
201 | # registry (== where the callback attaches to). |
234 | # registry (== where the callback attaches to). |
202 | sub _attach(\@$@) { |
235 | sub _attach { |
203 | my ($registry, $klass, @arg) = @_; |
236 | my ($registry, $klass, @arg) = @_; |
204 | |
237 | |
|
|
238 | my $object_type; |
205 | my $prio = 0; |
239 | my $prio = 0; |
206 | |
|
|
207 | my %undo = ( |
|
|
208 | registry => $registry, |
|
|
209 | cb => [], |
|
|
210 | ); |
|
|
211 | |
|
|
212 | my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT; |
240 | my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT; |
213 | |
241 | |
214 | while (@arg) { |
242 | while (@arg) { |
215 | my $type = shift @arg; |
243 | my $type = shift @arg; |
216 | |
244 | |
217 | if ($type eq "prio") { |
245 | if ($type eq "prio") { |
218 | $prio = shift @arg; |
246 | $prio = shift @arg; |
219 | |
247 | |
|
|
248 | } elsif ($type eq "type") { |
|
|
249 | $object_type = shift @arg; |
|
|
250 | $registry = $CB_TYPE[$object_type] ||= []; |
|
|
251 | |
|
|
252 | } elsif ($type eq "subtype") { |
|
|
253 | defined $object_type or Carp::croak "subtype specified without type"; |
|
|
254 | my $object_subtype = shift @arg; |
|
|
255 | $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; |
|
|
256 | |
220 | } elsif ($type eq "package") { |
257 | } elsif ($type eq "package") { |
221 | my $pkg = shift @arg; |
258 | my $pkg = shift @arg; |
222 | |
259 | |
223 | while (my ($name, $id) = each %cb_id) { |
260 | while (my ($name, $id) = each %cb_id) { |
224 | if (my $cb = $pkg->can ($name)) { |
261 | if (my $cb = $pkg->can ($name)) { |
225 | _attach_cb $registry, %undo, $id, $prio, $cb; |
262 | _attach_cb $registry, $id, $prio, $cb; |
226 | } |
263 | } |
227 | } |
264 | } |
228 | |
265 | |
229 | } elsif (exists $cb_id{$type}) { |
266 | } elsif (exists $cb_id{$type}) { |
230 | _attach_cb $registry, %undo, $cb_id{$type}, $prio, shift @arg; |
267 | _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; |
231 | |
268 | |
232 | } elsif (ref $type) { |
269 | } elsif (ref $type) { |
233 | warn "attaching objects not supported, ignoring.\n"; |
270 | warn "attaching objects not supported, ignoring.\n"; |
234 | |
271 | |
235 | } else { |
272 | } else { |
236 | shift @arg; |
273 | shift @arg; |
237 | warn "attach argument '$type' not supported, ignoring.\n"; |
274 | warn "attach argument '$type' not supported, ignoring.\n"; |
238 | } |
275 | } |
239 | } |
276 | } |
240 | |
|
|
241 | \%undo |
|
|
242 | } |
277 | } |
243 | |
278 | |
244 | sub _attach_attachment { |
279 | sub _object_attach { |
245 | my ($obj, $name, %arg) = @_; |
280 | my ($obj, $name, %arg) = @_; |
246 | |
281 | |
247 | return if exists $obj->{_attachment}{$name}; |
282 | return if exists $obj->{_attachment}{$name}; |
248 | |
|
|
249 | my $res; |
|
|
250 | |
283 | |
251 | if (my $attach = $attachment{$name}) { |
284 | if (my $attach = $attachment{$name}) { |
252 | my $registry = $obj->registry; |
285 | my $registry = $obj->registry; |
253 | |
286 | |
254 | for (@$attach) { |
287 | for (@$attach) { |
255 | my ($klass, @attach) = @$_; |
288 | my ($klass, @attach) = @$_; |
256 | $res = _attach @$registry, $klass, @attach; |
289 | _attach $registry, $klass, @attach; |
257 | } |
290 | } |
258 | |
291 | |
259 | $obj->{$name} = \%arg; |
292 | $obj->{$name} = \%arg; |
260 | } else { |
293 | } else { |
261 | warn "object uses attachment '$name' that is not available, postponing.\n"; |
294 | warn "object uses attachment '$name' that is not available, postponing.\n"; |
262 | } |
295 | } |
263 | |
296 | |
264 | $obj->{_attachment}{$name} = undef; |
297 | $obj->{_attachment}{$name} = undef; |
265 | |
|
|
266 | $res->{attachment} = $name; |
|
|
267 | $res |
|
|
268 | } |
298 | } |
269 | |
299 | |
270 | *cf::object::attach = |
300 | sub cf::attachable::attach { |
271 | *cf::player::attach = |
301 | if (ref $_[0]) { |
272 | *cf::map::attach = sub { |
302 | _object_attach @_; |
273 | my ($obj, $name, %arg) = @_; |
303 | } else { |
274 | |
304 | _attach shift->_attach_registry, @_; |
275 | _attach_attachment $obj, $name, %arg; |
305 | } |
276 | }; |
306 | }; |
277 | |
307 | |
278 | # all those should be optimised |
308 | # all those should be optimised |
279 | *cf::object::detach = |
309 | sub cf::attachable::detach { |
280 | *cf::player::detach = |
|
|
281 | *cf::map::detach = sub { |
|
|
282 | my ($obj, $name) = @_; |
310 | my ($obj, $name) = @_; |
283 | |
311 | |
|
|
312 | if (ref $obj) { |
284 | delete $obj->{_attachment}{$name}; |
313 | delete $obj->{_attachment}{$name}; |
285 | reattach ($obj); |
314 | reattach ($obj); |
|
|
315 | } else { |
|
|
316 | Carp::croak "cannot, currently, detach class attachments"; |
|
|
317 | } |
286 | }; |
318 | }; |
287 | |
319 | |
288 | *cf::object::attached = |
320 | sub cf::attachable::attached { |
289 | *cf::player::attached = |
|
|
290 | *cf::map::attached = sub { |
|
|
291 | my ($obj, $name) = @_; |
321 | my ($obj, $name) = @_; |
292 | |
322 | |
293 | exists $obj->{_attachment}{$name} |
323 | exists $obj->{_attachment}{$name} |
294 | }; |
|
|
295 | |
|
|
296 | sub attach_global { |
|
|
297 | _attach @CB_GLOBAL, KLASS_GLOBAL, @_ |
|
|
298 | } |
324 | } |
299 | |
325 | |
300 | sub attach_to_type { |
326 | for my $klass (qw(GLOBAL OBJECT PLAYER CLIENT MAP)) { |
301 | my $type = shift; |
327 | eval "#line " . __LINE__ . " 'cf.pm' |
302 | my $subtype = shift; |
328 | sub cf::\L$klass\E::_attach_registry { |
|
|
329 | (\\\@CB_$klass, KLASS_$klass) |
|
|
330 | } |
303 | |
331 | |
304 | _attach @{$CB_TYPE[$type + $subtype * NUM_SUBTYPES]}, KLASS_OBJECT, @_ |
332 | sub cf::\L$klass\E::attachment { |
305 | } |
|
|
306 | |
|
|
307 | sub attach_to_objects { |
|
|
308 | _attach @CB_OBJECT, KLASS_OBJECT, @_ |
|
|
309 | } |
|
|
310 | |
|
|
311 | sub attach_to_players { |
|
|
312 | _attach @CB_PLAYER, KLASS_PLAYER, @_ |
|
|
313 | } |
|
|
314 | |
|
|
315 | sub attach_to_maps { |
|
|
316 | _attach @CB_MAP, KLASS_MAP, @_ |
|
|
317 | } |
|
|
318 | |
|
|
319 | sub register_attachment { |
|
|
320 | my $name = shift; |
333 | my \$name = shift; |
321 | |
334 | |
322 | $attachment{$name} = [[KLASS_OBJECT, @_]]; |
|
|
323 | } |
|
|
324 | |
|
|
325 | sub register_player_attachment { |
|
|
326 | my $name = shift; |
|
|
327 | |
|
|
328 | $attachment{$name} = [[KLASS_PLAYER, @_]]; |
|
|
329 | } |
|
|
330 | |
|
|
331 | sub register_map_attachment { |
|
|
332 | my $name = shift; |
|
|
333 | |
|
|
334 | $attachment{$name} = [[KLASS_MAP, @_]]; |
335 | \$attachment{\$name} = [[KLASS_$klass, \@_]]; |
|
|
336 | } |
|
|
337 | "; |
|
|
338 | die if $@; |
335 | } |
339 | } |
336 | |
340 | |
337 | our $override; |
341 | our $override; |
338 | our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? |
342 | our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? |
339 | |
343 | |
… | |
… | |
369 | |
373 | |
370 | =item $bool = $object->invoke (EVENT_OBJECT_XXX, ...) |
374 | =item $bool = $object->invoke (EVENT_OBJECT_XXX, ...) |
371 | |
375 | |
372 | =item $bool = $player->invoke (EVENT_PLAYER_XXX, ...) |
376 | =item $bool = $player->invoke (EVENT_PLAYER_XXX, ...) |
373 | |
377 | |
|
|
378 | =item $bool = $client->invoke (EVENT_CLIENT_XXX, ...) |
|
|
379 | |
374 | =item $bool = $map->invoke (EVENT_MAP_XXX, ...) |
380 | =item $bool = $map->invoke (EVENT_MAP_XXX, ...) |
375 | |
381 | |
376 | Generate a global/object/player/map-specific event with the given arguments. |
382 | Generate a global/object/player/map-specific event with the given arguments. |
377 | |
383 | |
378 | This API is preliminary (most likely, the EVENT_KLASS_xxx prefix will be |
384 | This API is preliminary (most likely, the EVENT_KLASS_xxx prefix will be |
379 | removed in future versions), and there is no public API to access override |
385 | removed in future versions), and there is no public API to access override |
380 | results (if you must, access C<@cf::invoke_results> directly). |
386 | results (if you must, access C<@cf::invoke_results> directly). |
381 | |
387 | |
382 | =back |
388 | =back |
383 | |
389 | |
384 | =head2 methods valid for all pointers |
390 | =cut |
|
|
391 | |
|
|
392 | ############################################################################# |
|
|
393 | |
|
|
394 | =head2 METHODS VALID FOR ALL ATTACHABLE OBJECTS |
|
|
395 | |
|
|
396 | Attachable objects includes objects, players, clients and maps. |
385 | |
397 | |
386 | =over 4 |
398 | =over 4 |
387 | |
399 | |
388 | =item $object->valid |
400 | =item $object->valid |
389 | |
|
|
390 | =item $player->valid |
|
|
391 | |
|
|
392 | =item $map->valid |
|
|
393 | |
401 | |
394 | Just because you have a perl object does not mean that the corresponding |
402 | Just because you have a perl object does not mean that the corresponding |
395 | C-level object still exists. If you try to access an object that has no |
403 | C-level object still exists. If you try to access an object that has no |
396 | valid C counterpart anymore you get an exception at runtime. This method |
404 | valid C counterpart anymore you get an exception at runtime. This method |
397 | can be used to test for existence of the C object part without causing an |
405 | can be used to test for existence of the C object part without causing an |
… | |
… | |
399 | |
407 | |
400 | =back |
408 | =back |
401 | |
409 | |
402 | =cut |
410 | =cut |
403 | |
411 | |
404 | *cf::object::valid = |
|
|
405 | *cf::player::valid = |
|
|
406 | *cf::map::valid = \&cf::_valid; |
|
|
407 | |
|
|
408 | ############################################################################# |
412 | ############################################################################# |
409 | # object support |
413 | # object support |
410 | |
414 | |
411 | sub instantiate { |
415 | sub instantiate { |
412 | my ($obj, $data) = @_; |
416 | my ($obj, $data) = @_; |
… | |
… | |
431 | |
435 | |
432 | for my $name (keys %{ $obj->{_attachment} || {} }) { |
436 | for my $name (keys %{ $obj->{_attachment} || {} }) { |
433 | if (my $attach = $attachment{$name}) { |
437 | if (my $attach = $attachment{$name}) { |
434 | for (@$attach) { |
438 | for (@$attach) { |
435 | my ($klass, @attach) = @$_; |
439 | my ($klass, @attach) = @$_; |
436 | _attach @$registry, $klass, @attach; |
440 | _attach $registry, $klass, @attach; |
437 | } |
441 | } |
438 | } else { |
442 | } else { |
439 | warn "object uses attachment '$name' that is not available, postponing.\n"; |
443 | warn "object uses attachment '$name' that is not available, postponing.\n"; |
440 | } |
444 | } |
441 | } |
445 | } |
… | |
… | |
470 | unlink $filename; |
474 | unlink $filename; |
471 | unlink "$filename.pst"; |
475 | unlink "$filename.pst"; |
472 | } |
476 | } |
473 | } |
477 | } |
474 | |
478 | |
|
|
479 | sub object_freezer_as_string { |
|
|
480 | my ($rdata, $objs) = @_; |
|
|
481 | |
|
|
482 | use Data::Dumper; |
|
|
483 | |
|
|
484 | $$rdata . Dumper $objs |
|
|
485 | } |
|
|
486 | |
475 | sub object_thawer_load { |
487 | sub object_thawer_load { |
476 | my ($filename) = @_; |
488 | my ($filename) = @_; |
477 | |
489 | |
478 | local $/; |
490 | local $/; |
479 | |
491 | |
… | |
… | |
489 | } |
501 | } |
490 | |
502 | |
491 | () |
503 | () |
492 | } |
504 | } |
493 | |
505 | |
494 | attach_to_objects |
506 | cf::object->attach ( |
495 | prio => -1000000, |
507 | prio => -1000000, |
496 | on_clone => sub { |
508 | on_clone => sub { |
497 | my ($src, $dst) = @_; |
509 | my ($src, $dst) = @_; |
498 | |
510 | |
499 | @{$dst->registry} = @{$src->registry}; |
511 | @{$dst->registry} = @{$src->registry}; |
… | |
… | |
501 | %$dst = %$src; |
513 | %$dst = %$src; |
502 | |
514 | |
503 | %{$dst->{_attachment}} = %{$src->{_attachment}} |
515 | %{$dst->{_attachment}} = %{$src->{_attachment}} |
504 | if exists $src->{_attachment}; |
516 | if exists $src->{_attachment}; |
505 | }, |
517 | }, |
506 | ; |
518 | ); |
507 | |
519 | |
508 | ############################################################################# |
520 | ############################################################################# |
509 | # old plug-in events |
521 | # command handling &c |
510 | |
522 | |
511 | sub inject_event { |
523 | =item cf::register_command $name => \&callback($ob,$args); |
512 | my $extension = shift; |
|
|
513 | my $event_code = shift; |
|
|
514 | |
524 | |
515 | my $cb = $hook[$event_code]{$extension} |
525 | Register a callback for execution when the client sends the user command |
516 | or return; |
526 | $name. |
517 | |
527 | |
518 | &$cb |
528 | =cut |
519 | } |
|
|
520 | |
|
|
521 | sub inject_global_event { |
|
|
522 | my $event = shift; |
|
|
523 | |
|
|
524 | my $cb = $hook[$event] |
|
|
525 | or return; |
|
|
526 | |
|
|
527 | List::Util::max map &$_, values %$cb |
|
|
528 | } |
|
|
529 | |
|
|
530 | sub inject_command { |
|
|
531 | my ($name, $obj, $params) = @_; |
|
|
532 | |
|
|
533 | for my $cmd (@{ $command{$name} }) { |
|
|
534 | $cmd->[1]->($obj, $params); |
|
|
535 | } |
|
|
536 | |
|
|
537 | -1 |
|
|
538 | } |
|
|
539 | |
529 | |
540 | sub register_command { |
530 | sub register_command { |
541 | my ($name, $time, $cb) = @_; |
531 | my ($name, $cb) = @_; |
542 | |
532 | |
543 | my $caller = caller; |
533 | my $caller = caller; |
544 | #warn "registering command '$name/$time' to '$caller'"; |
534 | #warn "registering command '$name/$time' to '$caller'"; |
545 | |
535 | |
546 | push @{ $command{$name} }, [$time, $cb, $caller]; |
536 | push @{ $COMMAND{$name} }, [$caller, $cb]; |
547 | $COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} }; |
|
|
548 | } |
537 | } |
|
|
538 | |
|
|
539 | =item cf::register_extcmd $name => \&callback($pl,$packet); |
|
|
540 | |
|
|
541 | Register a callbackf ro execution when the client sends an extcmd packet. |
|
|
542 | |
|
|
543 | If the callback returns something, it is sent back as if reply was being |
|
|
544 | called. |
|
|
545 | |
|
|
546 | =cut |
549 | |
547 | |
550 | sub register_extcmd { |
548 | sub register_extcmd { |
551 | my ($name, $cb) = @_; |
549 | my ($name, $cb) = @_; |
552 | |
550 | |
553 | my $caller = caller; |
551 | my $caller = caller; |
554 | #warn "registering extcmd '$name' to '$caller'"; |
552 | #warn "registering extcmd '$name' to '$caller'"; |
555 | |
553 | |
556 | $extcmd{$name} = [$cb, $caller]; |
554 | $EXTCMD{$name} = [$cb, $caller]; |
557 | } |
555 | } |
|
|
556 | |
|
|
557 | cf::player->attach ( |
|
|
558 | on_command => sub { |
|
|
559 | my ($pl, $name, $params) = @_; |
|
|
560 | |
|
|
561 | my $cb = $COMMAND{$name} |
|
|
562 | or return; |
|
|
563 | |
|
|
564 | for my $cmd (@$cb) { |
|
|
565 | $cmd->[1]->($pl->ob, $params); |
|
|
566 | } |
|
|
567 | |
|
|
568 | cf::override; |
|
|
569 | }, |
|
|
570 | on_extcmd => sub { |
|
|
571 | my ($pl, $buf) = @_; |
|
|
572 | |
|
|
573 | my $msg = eval { from_json $buf }; |
|
|
574 | |
|
|
575 | if (ref $msg) { |
|
|
576 | if (my $cb = $EXTCMD{$msg->{msgtype}}) { |
|
|
577 | if (my %reply = $cb->[0]->($pl, $msg)) { |
|
|
578 | $pl->ext_reply ($msg->{msgid}, %reply); |
|
|
579 | } |
|
|
580 | } |
|
|
581 | } else { |
|
|
582 | warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; |
|
|
583 | } |
|
|
584 | |
|
|
585 | cf::override; |
|
|
586 | }, |
|
|
587 | ); |
558 | |
588 | |
559 | sub register { |
589 | sub register { |
560 | my ($base, $pkg) = @_; |
590 | my ($base, $pkg) = @_; |
561 | |
591 | |
562 | #TODO |
592 | #TODO |
… | |
… | |
581 | . "#line 1 \"$path\"\n{\n" |
611 | . "#line 1 \"$path\"\n{\n" |
582 | . (do { local $/; <$fh> }) |
612 | . (do { local $/; <$fh> }) |
583 | . "\n};\n1"; |
613 | . "\n};\n1"; |
584 | |
614 | |
585 | eval $source |
615 | eval $source |
586 | or die "$path: $@"; |
616 | or die $@ ? "$path: $@\n" |
|
|
617 | : "extension disabled.\n"; |
587 | |
618 | |
588 | push @exts, $pkg; |
619 | push @exts, $pkg; |
589 | $ext_pkg{$base} = $pkg; |
620 | $ext_pkg{$base} = $pkg; |
590 | |
621 | |
591 | # no strict 'refs'; |
622 | # no strict 'refs'; |
… | |
… | |
604 | # for my $idx (0 .. $#PLUGIN_EVENT) { |
635 | # for my $idx (0 .. $#PLUGIN_EVENT) { |
605 | # delete $hook[$idx]{$pkg}; |
636 | # delete $hook[$idx]{$pkg}; |
606 | # } |
637 | # } |
607 | |
638 | |
608 | # remove commands |
639 | # remove commands |
609 | for my $name (keys %command) { |
640 | for my $name (keys %COMMAND) { |
610 | my @cb = grep $_->[2] ne $pkg, @{ $command{$name} }; |
641 | my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} }; |
611 | |
642 | |
612 | if (@cb) { |
643 | if (@cb) { |
613 | $command{$name} = \@cb; |
644 | $COMMAND{$name} = \@cb; |
614 | $COMMAND{"$name\000"} = List::Util::max map $_->[0], @cb; |
|
|
615 | } else { |
645 | } else { |
616 | delete $command{$name}; |
|
|
617 | delete $COMMAND{"$name\000"}; |
646 | delete $COMMAND{$name}; |
618 | } |
647 | } |
619 | } |
648 | } |
620 | |
649 | |
621 | # remove extcmds |
650 | # remove extcmds |
622 | for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) { |
651 | for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) { |
623 | delete $extcmd{$name}; |
652 | delete $EXTCMD{$name}; |
624 | } |
653 | } |
625 | |
654 | |
626 | if (my $cb = $pkg->can ("unload")) { |
655 | if (my $cb = $pkg->can ("unload")) { |
627 | eval { |
656 | eval { |
628 | $cb->($pkg); |
657 | $cb->($pkg); |
… | |
… | |
632 | |
661 | |
633 | Symbol::delete_package $pkg; |
662 | Symbol::delete_package $pkg; |
634 | } |
663 | } |
635 | |
664 | |
636 | sub load_extensions { |
665 | sub load_extensions { |
637 | my $LIBDIR = maps_directory "perl"; |
|
|
638 | |
|
|
639 | for my $ext (<$LIBDIR/*.ext>) { |
666 | for my $ext (<$LIBDIR/*.ext>) { |
640 | next unless -r $ext; |
667 | next unless -r $ext; |
641 | eval { |
668 | eval { |
642 | load_extension $ext; |
669 | load_extension $ext; |
643 | 1 |
670 | 1 |
644 | } or warn "$ext not loaded: $@"; |
671 | } or warn "$ext not loaded: $@"; |
645 | } |
672 | } |
646 | } |
673 | } |
647 | |
674 | |
648 | ############################################################################# |
675 | ############################################################################# |
649 | # extcmd framework, basically convert ext <msg> |
|
|
650 | # into pkg::->on_extcmd_arg1 (...) while shortcutting a few |
|
|
651 | |
|
|
652 | attach_to_players |
|
|
653 | on_extcmd => sub { |
|
|
654 | my ($pl, $buf) = @_; |
|
|
655 | |
|
|
656 | my $msg = eval { from_json $buf }; |
|
|
657 | |
|
|
658 | if (ref $msg) { |
|
|
659 | if (my $cb = $extcmd{$msg->{msgtype}}) { |
|
|
660 | if (my %reply = $cb->[0]->($pl, $msg)) { |
|
|
661 | $pl->ext_reply ($msg->{msgid}, %reply); |
|
|
662 | } |
|
|
663 | } |
|
|
664 | } else { |
|
|
665 | warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; |
|
|
666 | } |
|
|
667 | |
|
|
668 | cf::override; |
|
|
669 | }, |
|
|
670 | ; |
|
|
671 | |
|
|
672 | ############################################################################# |
|
|
673 | # load/save/clean perl data associated with a map |
676 | # load/save/clean perl data associated with a map |
674 | |
677 | |
675 | *cf::mapsupport::on_clean = sub { |
678 | *cf::mapsupport::on_clean = sub { |
676 | my ($map) = @_; |
679 | my ($map) = @_; |
677 | |
680 | |
… | |
… | |
679 | defined $path or return; |
682 | defined $path or return; |
680 | |
683 | |
681 | unlink "$path.pst"; |
684 | unlink "$path.pst"; |
682 | }; |
685 | }; |
683 | |
686 | |
684 | attach_to_maps prio => -10000, package => cf::mapsupport::; |
687 | cf::map->attach (prio => -10000, package => cf::mapsupport::); |
685 | |
688 | |
686 | ############################################################################# |
689 | ############################################################################# |
687 | # load/save perl data associated with player->ob objects |
690 | # load/save perl data associated with player->ob objects |
688 | |
691 | |
689 | sub all_objects(@) { |
692 | sub all_objects(@) { |
690 | @_, map all_objects ($_->inv), @_ |
693 | @_, map all_objects ($_->inv), @_ |
691 | } |
694 | } |
692 | |
695 | |
693 | # TODO: compatibility cruft, remove when no longer needed |
696 | # TODO: compatibility cruft, remove when no longer needed |
694 | attach_to_players |
697 | cf::player->attach ( |
695 | on_load => sub { |
698 | on_load => sub { |
696 | my ($pl, $path) = @_; |
699 | my ($pl, $path) = @_; |
697 | |
700 | |
698 | for my $o (all_objects $pl->ob) { |
701 | for my $o (all_objects $pl->ob) { |
699 | if (my $value = $o->get_ob_key_value ("_perl_data")) { |
702 | if (my $value = $o->get_ob_key_value ("_perl_data")) { |
… | |
… | |
701 | |
704 | |
702 | %$o = %{ Storable::thaw pack "H*", $value }; |
705 | %$o = %{ Storable::thaw pack "H*", $value }; |
703 | } |
706 | } |
704 | } |
707 | } |
705 | }, |
708 | }, |
706 | ; |
709 | ); |
707 | |
710 | |
708 | ############################################################################# |
711 | ############################################################################# |
709 | # core extensions - in perl |
712 | |
|
|
713 | =head2 CORE EXTENSIONS |
|
|
714 | |
|
|
715 | Functions and methods that extend core crossfire objects. |
|
|
716 | |
|
|
717 | =over 4 |
710 | |
718 | |
711 | =item cf::player::exists $login |
719 | =item cf::player::exists $login |
712 | |
720 | |
713 | Returns true when the given account exists. |
721 | Returns true when the given account exists. |
714 | |
722 | |
… | |
… | |
717 | sub cf::player::exists($) { |
725 | sub cf::player::exists($) { |
718 | cf::player::find $_[0] |
726 | cf::player::find $_[0] |
719 | or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
727 | or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
720 | } |
728 | } |
721 | |
729 | |
722 | =item $player->reply ($npc, $msg[, $flags]) |
730 | =item $player_object->reply ($npc, $msg[, $flags]) |
723 | |
731 | |
724 | Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
732 | Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
725 | can be C<undef>. Does the right thing when the player is currently in a |
733 | can be C<undef>. Does the right thing when the player is currently in a |
726 | dialogue with the given NPC character. |
734 | dialogue with the given NPC character. |
727 | |
735 | |
… | |
… | |
754 | $msg{msgid} = $id; |
762 | $msg{msgid} = $id; |
755 | |
763 | |
756 | $self->send ("ext " . to_json \%msg); |
764 | $self->send ("ext " . to_json \%msg); |
757 | } |
765 | } |
758 | |
766 | |
|
|
767 | =item $player_object->may ("access") |
|
|
768 | |
|
|
769 | Returns wether the given player is authorized to access resource "access" |
|
|
770 | (e.g. "command_wizcast"). |
|
|
771 | |
|
|
772 | =cut |
|
|
773 | |
|
|
774 | sub cf::object::player::may { |
|
|
775 | my ($self, $access) = @_; |
|
|
776 | |
|
|
777 | $self->flag (cf::FLAG_WIZ) || |
|
|
778 | (ref $cf::CFG{"may_$access"} |
|
|
779 | ? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}} |
|
|
780 | : $cf::CFG{"may_$access"}) |
|
|
781 | } |
|
|
782 | |
|
|
783 | =cut |
|
|
784 | |
759 | ############################################################################# |
785 | ############################################################################# |
760 | # map scripting support |
786 | |
|
|
787 | =head2 SAFE SCRIPTING |
|
|
788 | |
|
|
789 | Functions that provide a safe environment to compile and execute |
|
|
790 | snippets of perl code without them endangering the safety of the server |
|
|
791 | itself. Looping constructs, I/O operators and other built-in functionality |
|
|
792 | is not available in the safe scripting environment, and the number of |
|
|
793 | functions and methods that can be called is greatly reduced. |
|
|
794 | |
|
|
795 | =cut |
761 | |
796 | |
762 | our $safe = new Safe "safe"; |
797 | our $safe = new Safe "safe"; |
763 | our $safe_hole = new Safe::Hole; |
798 | our $safe_hole = new Safe::Hole; |
764 | |
799 | |
765 | $SIG{FPE} = 'IGNORE'; |
800 | $SIG{FPE} = 'IGNORE'; |
766 | |
801 | |
767 | $safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
802 | $safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
768 | |
803 | |
769 | # here we export the classes and methods available to script code |
804 | # here we export the classes and methods available to script code |
770 | |
805 | |
|
|
806 | =pod |
|
|
807 | |
|
|
808 | The following fucntions and emthods are available within a safe environment: |
|
|
809 | |
|
|
810 | cf::object contr pay_amount pay_player map |
|
|
811 | cf::object::player player |
|
|
812 | cf::player peaceful |
|
|
813 | cf::map trigger |
|
|
814 | |
|
|
815 | =cut |
|
|
816 | |
771 | for ( |
817 | for ( |
772 | ["cf::object" => qw(contr pay_amount pay_player)], |
818 | ["cf::object" => qw(contr pay_amount pay_player map)], |
773 | ["cf::object::player" => qw(player)], |
819 | ["cf::object::player" => qw(player)], |
774 | ["cf::player" => qw(peaceful)], |
820 | ["cf::player" => qw(peaceful)], |
|
|
821 | ["cf::map" => qw(trigger)], |
775 | ) { |
822 | ) { |
776 | no strict 'refs'; |
823 | no strict 'refs'; |
777 | my ($pkg, @funs) = @$_; |
824 | my ($pkg, @funs) = @$_; |
778 | *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
825 | *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
779 | for @funs; |
826 | for @funs; |
780 | } |
827 | } |
|
|
828 | |
|
|
829 | =over 4 |
|
|
830 | |
|
|
831 | =item @retval = safe_eval $code, [var => value, ...] |
|
|
832 | |
|
|
833 | Compiled and executes the given perl code snippet. additional var/value |
|
|
834 | pairs result in temporary local (my) scalar variables of the given name |
|
|
835 | that are available in the code snippet. Example: |
|
|
836 | |
|
|
837 | my $five = safe_eval '$first + $second', first => 1, second => 4; |
|
|
838 | |
|
|
839 | =cut |
781 | |
840 | |
782 | sub safe_eval($;@) { |
841 | sub safe_eval($;@) { |
783 | my ($code, %vars) = @_; |
842 | my ($code, %vars) = @_; |
784 | |
843 | |
785 | my $qcode = $code; |
844 | my $qcode = $code; |
… | |
… | |
808 | } |
867 | } |
809 | |
868 | |
810 | wantarray ? @res : $res[0] |
869 | wantarray ? @res : $res[0] |
811 | } |
870 | } |
812 | |
871 | |
|
|
872 | =item cf::register_script_function $function => $cb |
|
|
873 | |
|
|
874 | Register a function that can be called from within map/npc scripts. The |
|
|
875 | function should be reasonably secure and should be put into a package name |
|
|
876 | like the extension. |
|
|
877 | |
|
|
878 | Example: register a function that gets called whenever a map script calls |
|
|
879 | C<rent::overview>, as used by the C<rent> extension. |
|
|
880 | |
|
|
881 | cf::register_script_function "rent::overview" => sub { |
|
|
882 | ... |
|
|
883 | }; |
|
|
884 | |
|
|
885 | =cut |
|
|
886 | |
813 | sub register_script_function { |
887 | sub register_script_function { |
814 | my ($fun, $cb) = @_; |
888 | my ($fun, $cb) = @_; |
815 | |
889 | |
816 | no strict 'refs'; |
890 | no strict 'refs'; |
817 | *{"safe::$fun"} = $safe_hole->wrap ($cb); |
891 | *{"safe::$fun"} = $safe_hole->wrap ($cb); |
818 | } |
892 | } |
|
|
893 | |
|
|
894 | =back |
|
|
895 | |
|
|
896 | =cut |
819 | |
897 | |
820 | ############################################################################# |
898 | ############################################################################# |
821 | |
899 | |
822 | =head2 EXTENSION DATABASE SUPPORT |
900 | =head2 EXTENSION DATABASE SUPPORT |
823 | |
901 | |
… | |
… | |
858 | |
936 | |
859 | Immediately write the database to disk I<if it is dirty>. |
937 | Immediately write the database to disk I<if it is dirty>. |
860 | |
938 | |
861 | =cut |
939 | =cut |
862 | |
940 | |
|
|
941 | our $DB; |
|
|
942 | |
863 | { |
943 | { |
864 | my $db; |
|
|
865 | my $path = cf::localdir . "/database.pst"; |
944 | my $path = cf::localdir . "/database.pst"; |
866 | |
945 | |
867 | sub db_load() { |
946 | sub db_load() { |
868 | warn "loading database $path\n";#d# remove later |
947 | warn "loading database $path\n";#d# remove later |
869 | $db = stat $path ? Storable::retrieve $path : { }; |
948 | $DB = stat $path ? Storable::retrieve $path : { }; |
870 | } |
949 | } |
871 | |
950 | |
872 | my $pid; |
951 | my $pid; |
873 | |
952 | |
874 | sub db_save() { |
953 | sub db_save() { |
875 | warn "saving database $path\n";#d# remove later |
954 | warn "saving database $path\n";#d# remove later |
876 | waitpid $pid, 0 if $pid; |
955 | waitpid $pid, 0 if $pid; |
877 | unless ($pid = fork) { |
956 | if (0 == ($pid = fork)) { |
878 | $db->{_meta}{version} = 1; |
957 | $DB->{_meta}{version} = 1; |
879 | Storable::nstore $db, "$path~"; |
958 | Storable::nstore $DB, "$path~"; |
880 | rename "$path~", $path; |
959 | rename "$path~", $path; |
881 | cf::_exit 0 if defined $pid; |
960 | cf::_exit 0 if defined $pid; |
882 | } |
961 | } |
883 | } |
962 | } |
884 | |
963 | |
… | |
… | |
887 | sub db_sync() { |
966 | sub db_sync() { |
888 | db_save if $dirty; |
967 | db_save if $dirty; |
889 | undef $dirty; |
968 | undef $dirty; |
890 | } |
969 | } |
891 | |
970 | |
892 | my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, cb => sub { |
971 | my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub { |
893 | db_sync; |
972 | db_sync; |
894 | }); |
973 | }); |
895 | |
974 | |
896 | sub db_dirty() { |
975 | sub db_dirty() { |
897 | $dirty = 1; |
976 | $dirty = 1; |
898 | $idle->start; |
977 | $idle->start; |
899 | } |
978 | } |
900 | |
979 | |
901 | sub db_get($;$) { |
980 | sub db_get($;$) { |
902 | @_ >= 2 |
981 | @_ >= 2 |
903 | ? $db->{$_[0]}{$_[1]} |
982 | ? $DB->{$_[0]}{$_[1]} |
904 | : ($db->{$_[0]} ||= { }) |
983 | : ($DB->{$_[0]} ||= { }) |
905 | } |
984 | } |
906 | |
985 | |
907 | sub db_put($$;$) { |
986 | sub db_put($$;$) { |
908 | if (@_ >= 3) { |
987 | if (@_ >= 3) { |
909 | $db->{$_[0]}{$_[1]} = $_[2]; |
988 | $DB->{$_[0]}{$_[1]} = $_[2]; |
910 | } else { |
989 | } else { |
911 | $db->{$_[0]} = $_[1]; |
990 | $DB->{$_[0]} = $_[1]; |
912 | } |
991 | } |
913 | db_dirty; |
992 | db_dirty; |
914 | } |
993 | } |
|
|
994 | |
|
|
995 | cf::global->attach ( |
|
|
996 | prio => 10000, |
|
|
997 | on_cleanup => sub { |
|
|
998 | db_sync; |
|
|
999 | }, |
|
|
1000 | ); |
915 | } |
1001 | } |
916 | |
1002 | |
917 | ############################################################################# |
1003 | ############################################################################# |
918 | # the server's main() |
1004 | # the server's main() |
919 | |
1005 | |
|
|
1006 | sub cfg_load { |
|
|
1007 | open my $fh, "<:utf8", cf::confdir . "/config" |
|
|
1008 | or return; |
|
|
1009 | |
|
|
1010 | local $/; |
|
|
1011 | *CFG = YAML::Syck::Load <$fh>; |
|
|
1012 | } |
|
|
1013 | |
920 | sub main { |
1014 | sub main { |
|
|
1015 | cfg_load; |
921 | db_load; |
1016 | db_load; |
922 | load_extensions; |
1017 | load_extensions; |
923 | Event::loop; |
1018 | Event::loop; |
924 | } |
1019 | } |
925 | |
1020 | |
… | |
… | |
931 | |
1026 | |
932 | $msg->("reloading..."); |
1027 | $msg->("reloading..."); |
933 | |
1028 | |
934 | eval { |
1029 | eval { |
935 | # cancel all watchers |
1030 | # cancel all watchers |
936 | $_->cancel for Event::all_watchers; |
1031 | for (Event::all_watchers) { |
|
|
1032 | $_->cancel if $_->data & WF_AUTOCANCEL; |
|
|
1033 | } |
937 | |
1034 | |
938 | # unload all extensions |
1035 | # unload all extensions |
939 | for (@exts) { |
1036 | for (@exts) { |
940 | $msg->("unloading <$_>"); |
1037 | $msg->("unloading <$_>"); |
941 | unload_extension $_; |
1038 | unload_extension $_; |
… | |
… | |
977 | |
1074 | |
978 | # reload cf.pm |
1075 | # reload cf.pm |
979 | $msg->("reloading cf.pm"); |
1076 | $msg->("reloading cf.pm"); |
980 | require cf; |
1077 | require cf; |
981 | |
1078 | |
982 | # load database again |
1079 | # load config and database again |
|
|
1080 | cf::cfg_load; |
983 | cf::db_load; |
1081 | cf::db_load; |
984 | |
1082 | |
985 | # load extensions |
1083 | # load extensions |
986 | $msg->("load extensions"); |
1084 | $msg->("load extensions"); |
987 | cf::load_extensions; |
1085 | cf::load_extensions; |
… | |
… | |
1000 | warn $_[0]; |
1098 | warn $_[0]; |
1001 | print "$_[0]\n"; |
1099 | print "$_[0]\n"; |
1002 | }; |
1100 | }; |
1003 | } |
1101 | } |
1004 | |
1102 | |
|
|
1103 | register "<global>", __PACKAGE__; |
|
|
1104 | |
1005 | register_command "perl-reload", 0, sub { |
1105 | register_command "perl-reload" => sub { |
1006 | my ($who, $arg) = @_; |
1106 | my ($who, $arg) = @_; |
1007 | |
1107 | |
1008 | if ($who->flag (FLAG_WIZ)) { |
1108 | if ($who->flag (FLAG_WIZ)) { |
1009 | _perl_reload { |
1109 | _perl_reload { |
1010 | warn $_[0]; |
1110 | warn $_[0]; |
1011 | $who->message ($_[0]); |
1111 | $who->message ($_[0]); |
1012 | }; |
1112 | }; |
1013 | } |
1113 | } |
1014 | }; |
1114 | }; |
1015 | |
1115 | |
1016 | register "<global>", __PACKAGE__; |
|
|
1017 | |
|
|
1018 | unshift @INC, $LIBDIR; |
1116 | unshift @INC, $LIBDIR; |
1019 | |
1117 | |
1020 | $TICK_WATCHER = Event->timer ( |
1118 | $TICK_WATCHER = Event->timer ( |
1021 | prio => 1, |
1119 | prio => 0, |
1022 | at => $NEXT_TICK || 1, |
1120 | at => $NEXT_TICK || 1, |
|
|
1121 | data => WF_AUTOCANCEL, |
1023 | cb => sub { |
1122 | cb => sub { |
1024 | cf::server_tick; # one server iteration |
1123 | cf::server_tick; # one server iteration |
1025 | |
1124 | |
1026 | my $NOW = Event::time; |
1125 | my $NOW = Event::time; |
1027 | $NEXT_TICK += $TICK; |
1126 | $NEXT_TICK += $TICK; |
1028 | |
1127 | |
1029 | # if we are delayed by four ticks, skip them all |
1128 | # if we are delayed by four ticks or more, skip them all |
1030 | $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4; |
1129 | $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4; |
1031 | |
1130 | |
1032 | $TICK_WATCHER->at ($NEXT_TICK); |
1131 | $TICK_WATCHER->at ($NEXT_TICK); |
1033 | $TICK_WATCHER->start; |
1132 | $TICK_WATCHER->start; |
1034 | }, |
1133 | }, |
1035 | ); |
1134 | ); |
1036 | |
1135 | |
|
|
1136 | IO::AIO::max_poll_time $TICK * 0.2; |
|
|
1137 | |
|
|
1138 | Event->io (fd => IO::AIO::poll_fileno, |
|
|
1139 | poll => 'r', |
|
|
1140 | prio => 5, |
|
|
1141 | data => WF_AUTOCANCEL, |
|
|
1142 | cb => \&IO::AIO::poll_cb); |
|
|
1143 | |
1037 | 1 |
1144 | 1 |
1038 | |
1145 | |