… | |
… | |
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 | |
16 | _reload_1; |
21 | sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload |
17 | |
22 | |
18 | our %COMMAND = (); |
23 | our %COMMAND = (); |
|
|
24 | our %COMMAND_TIME = (); |
|
|
25 | our %EXTCMD = (); |
|
|
26 | |
|
|
27 | _init_vars; |
|
|
28 | |
19 | our @EVENT; |
29 | our @EVENT; |
20 | our %PROP_TYPE; |
30 | our $LIBDIR = datadir . "/ext"; |
21 | our %PROP_IDX; |
|
|
22 | our $LIBDIR = maps_directory "perl"; |
|
|
23 | |
31 | |
24 | our $TICK = MAX_TIME * 1e-6; |
32 | our $TICK = MAX_TIME * 1e-6; |
25 | our $TICK_WATCHER; |
33 | our $TICK_WATCHER; |
26 | our $NEXT_TICK; |
34 | our $NEXT_TICK; |
|
|
35 | |
|
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36 | our %CFG; |
|
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37 | |
|
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38 | our $UPTIME; $UPTIME ||= time; |
|
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39 | |
|
|
40 | ############################################################################# |
|
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41 | |
|
|
42 | =head2 GLOBAL VARIABLES |
|
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43 | |
|
|
44 | =over 4 |
|
|
45 | |
|
|
46 | =item $cf::UPTIME |
|
|
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 | |
|
|
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 | |
|
|
64 | =back |
|
|
65 | |
|
|
66 | =cut |
27 | |
67 | |
28 | BEGIN { |
68 | BEGIN { |
29 | *CORE::GLOBAL::warn = sub { |
69 | *CORE::GLOBAL::warn = sub { |
30 | my $msg = join "", @_; |
70 | my $msg = join "", @_; |
31 | $msg .= "\n" |
71 | $msg .= "\n" |
… | |
… | |
34 | print STDERR "cfperl: $msg"; |
74 | print STDERR "cfperl: $msg"; |
35 | LOG llevError, "cfperl: $msg"; |
75 | LOG llevError, "cfperl: $msg"; |
36 | }; |
76 | }; |
37 | } |
77 | } |
38 | |
78 | |
39 | my %ignore_set = (MAP_PROP_PATH => 1); # I hate the plug-in api. Deeply! |
|
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40 | |
|
|
41 | # generate property mutators |
|
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42 | sub prop_gen { |
|
|
43 | my ($prefix, $class) = @_; |
|
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44 | |
|
|
45 | no strict 'refs'; |
|
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46 | |
|
|
47 | for my $prop (keys %PROP_TYPE) { |
|
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48 | $prop =~ /^\Q$prefix\E_(.*$)/ or next; |
|
|
49 | my $sub = lc $1; |
|
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50 | |
|
|
51 | my $type = $PROP_TYPE{$prop}; |
|
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52 | my $idx = $PROP_IDX {$prop}; |
|
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53 | |
|
|
54 | *{"$class\::get_$sub"} = *{"$class\::$sub"} = sub { |
|
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55 | $_[0]->get_property ($type, $idx) |
|
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56 | }; |
|
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57 | |
|
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58 | *{"$class\::set_$sub"} = sub { |
|
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59 | $_[0]->set_property ($type, $idx, $_[1]); |
|
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60 | } unless $ignore_set{$prop}; |
|
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61 | } |
|
|
62 | } |
|
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63 | |
|
|
64 | # auto-generate most of the API |
|
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65 | |
|
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66 | prop_gen OBJECT_PROP => "cf::object"; |
|
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67 | # CFAPI_OBJECT_ANIMATION? |
|
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68 | prop_gen PLAYER_PROP => "cf::object::player"; |
|
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69 | |
|
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70 | prop_gen MAP_PROP => "cf::map"; |
|
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71 | prop_gen ARCH_PROP => "cf::arch"; |
|
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72 | |
|
|
73 | @safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
79 | @safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
74 | |
80 | |
75 | # we bless all objects into (empty) derived classes to force a method lookup |
81 | # we bless all objects into (empty) derived classes to force a method lookup |
76 | # within the Safe compartment. |
82 | # within the Safe compartment. |
77 | for my $pkg (qw(cf::object cf::object::player cf::player cf::map cf::party cf::region cf::arch)) { |
83 | for my $pkg (qw( |
|
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84 | cf::object cf::object::player |
|
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85 | cf::client cf::player |
|
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86 | cf::arch cf::living |
|
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87 | cf::map cf::party cf::region |
|
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88 | )) { |
78 | no strict 'refs'; |
89 | no strict 'refs'; |
79 | @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
90 | @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
80 | } |
91 | } |
81 | |
92 | |
82 | $Event::DIED = sub { |
93 | $Event::DIED = sub { |
… | |
… | |
84 | }; |
95 | }; |
85 | |
96 | |
86 | my %ext_pkg; |
97 | my %ext_pkg; |
87 | my @exts; |
98 | my @exts; |
88 | my @hook; |
99 | my @hook; |
89 | my %command; |
|
|
90 | my %extcmd; |
|
|
91 | |
100 | |
92 | ############################################################################# |
101 | =head2 UTILITY FUNCTIONS |
93 | # utility functions |
102 | |
|
|
103 | =over 4 |
|
|
104 | |
|
|
105 | =cut |
94 | |
106 | |
95 | use JSON::Syck (); # TODO# replace by JSON::PC once working |
107 | use JSON::Syck (); # TODO# replace by JSON::PC once working |
|
|
108 | |
|
|
109 | =item $ref = cf::from_json $json |
|
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110 | |
|
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111 | Converts a JSON string into the corresponding perl data structure. |
|
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112 | |
|
|
113 | =cut |
96 | |
114 | |
97 | sub from_json($) { |
115 | sub from_json($) { |
98 | $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs |
116 | $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs |
99 | JSON::Syck::Load $_[0] |
117 | JSON::Syck::Load $_[0] |
100 | } |
118 | } |
101 | |
119 | |
|
|
120 | =item $json = cf::to_json $ref |
|
|
121 | |
|
|
122 | Converts a perl data structure into its JSON representation. |
|
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123 | |
|
|
124 | =cut |
|
|
125 | |
102 | sub to_json($) { |
126 | sub to_json($) { |
103 | $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
127 | $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
104 | JSON::Syck::Dump $_[0] |
128 | JSON::Syck::Dump $_[0] |
105 | } |
129 | } |
106 | |
130 | |
|
|
131 | =back |
|
|
132 | |
|
|
133 | =cut |
|
|
134 | |
107 | ############################################################################# |
135 | ############################################################################# |
108 | # "new" plug-in system |
|
|
109 | |
136 | |
|
|
137 | =head2 EVENTS AND OBJECT ATTACHMENTS |
|
|
138 | |
|
|
139 | =over 4 |
|
|
140 | |
|
|
141 | =item $object->attach ($attachment, key => $value...) |
|
|
142 | |
110 | =item $object->attach ($attachment, ...) |
143 | =item $object->detach ($attachment) |
111 | |
144 | |
112 | Attach a pre-registered attachment to an object. |
145 | Attach/detach a pre-registered attachment to an object. |
113 | |
146 | |
|
|
147 | =item $player->attach ($attachment, key => $value...) |
|
|
148 | |
114 | =item $player->attach ($attachment, ...) |
149 | =item $player->detach ($attachment) |
115 | |
150 | |
116 | Attach a pre-registered attachment to a player. |
151 | Attach/detach a pre-registered attachment to a player. |
117 | |
152 | |
118 | =item $map->attach ($attachment, ...) # not yet persistent |
153 | =item $map->attach ($attachment, key => $value...) |
119 | |
154 | |
|
|
155 | =item $map->detach ($attachment) |
|
|
156 | |
120 | Attach a pre-registered attachment to a map. |
157 | Attach/detach a pre-registered attachment to a map. |
|
|
158 | |
|
|
159 | =item $bool = $object->attached ($name) |
|
|
160 | |
|
|
161 | =item $bool = $player->attached ($name) |
|
|
162 | |
|
|
163 | =item $bool = $map->attached ($name) |
|
|
164 | |
|
|
165 | Checks wether the named attachment is currently attached to the object. |
121 | |
166 | |
122 | =item cf::attach_global ... |
167 | =item cf::attach_global ... |
123 | |
168 | |
124 | Attach handlers for global events. |
169 | Attach handlers for global events. |
125 | |
170 | |
… | |
… | |
173 | =item cf::attach_to_maps ... |
218 | =item cf::attach_to_maps ... |
174 | |
219 | |
175 | Attach handlers to all maps. |
220 | Attach handlers to all maps. |
176 | |
221 | |
177 | =item cf:register_attachment $name, ... |
222 | =item cf:register_attachment $name, ... |
|
|
223 | |
|
|
224 | Register an attachment by name through which objects can refer to this |
|
|
225 | attachment. |
|
|
226 | |
|
|
227 | =item cf:register_player_attachment $name, ... |
|
|
228 | |
|
|
229 | Register an attachment by name through which players can refer to this |
|
|
230 | attachment. |
|
|
231 | |
|
|
232 | =item cf:register_map_attachment $name, ... |
|
|
233 | |
|
|
234 | Register an attachment by name through which maps can refer to this |
|
|
235 | attachment. |
178 | |
236 | |
179 | =cut |
237 | =cut |
180 | |
238 | |
181 | # the following variables are defined in .xs and must not be re-created |
239 | # the following variables are defined in .xs and must not be re-created |
182 | our @CB_GLOBAL = (); # registry for all global events |
240 | our @CB_GLOBAL = (); # registry for all global events |
… | |
… | |
245 | |
303 | |
246 | \%undo |
304 | \%undo |
247 | } |
305 | } |
248 | |
306 | |
249 | sub _attach_attachment { |
307 | sub _attach_attachment { |
250 | my ($obj, $name, @args) = @_; |
308 | my ($obj, $name, %arg) = @_; |
|
|
309 | |
|
|
310 | return if exists $obj->{_attachment}{$name}; |
251 | |
311 | |
252 | my $res; |
312 | my $res; |
253 | |
313 | |
254 | if (my $attach = $attachment{$name}) { |
314 | if (my $attach = $attachment{$name}) { |
255 | my $registry = $obj->registry; |
315 | my $registry = $obj->registry; |
… | |
… | |
257 | for (@$attach) { |
317 | for (@$attach) { |
258 | my ($klass, @attach) = @$_; |
318 | my ($klass, @attach) = @$_; |
259 | $res = _attach @$registry, $klass, @attach; |
319 | $res = _attach @$registry, $klass, @attach; |
260 | } |
320 | } |
261 | |
321 | |
262 | if (my $cb = delete $registry->[EVENT_OBJECT_INSTANTIATE]) { |
322 | $obj->{$name} = \%arg; |
263 | for (@$cb) { |
|
|
264 | eval { $_->[1]->($obj, @args); }; |
|
|
265 | if ($@) { |
|
|
266 | warn "$@"; |
|
|
267 | warn "... while processing '$name' instantiate with args <@args>.\n"; |
|
|
268 | } |
|
|
269 | } |
|
|
270 | } |
|
|
271 | } else { |
323 | } else { |
272 | warn "object uses attachment '$name' that is not available, postponing.\n"; |
324 | warn "object uses attachment '$name' that is not available, postponing.\n"; |
273 | } |
325 | } |
274 | |
326 | |
275 | push @{$obj->{_attachment}}, $name; |
327 | $obj->{_attachment}{$name} = undef; |
276 | |
328 | |
277 | $res->{attachment} = $name; |
329 | $res->{attachment} = $name; |
278 | $res |
330 | $res |
279 | } |
331 | } |
280 | |
332 | |
281 | sub cf::object::attach { |
333 | *cf::object::attach = |
|
|
334 | *cf::player::attach = |
|
|
335 | *cf::map::attach = sub { |
282 | my ($obj, $name, @args) = @_; |
336 | my ($obj, $name, %arg) = @_; |
283 | |
337 | |
284 | _attach_attachment $obj, $name, @args; |
338 | _attach_attachment $obj, $name, %arg; |
285 | } |
339 | }; |
286 | |
340 | |
|
|
341 | # all those should be optimised |
|
|
342 | *cf::object::detach = |
287 | sub cf::player::attach { |
343 | *cf::player::detach = |
|
|
344 | *cf::map::detach = sub { |
288 | my ($obj, $name, @args) = @_; |
345 | my ($obj, $name) = @_; |
289 | |
346 | |
290 | _attach_attachment KLASS_PLAYER, $obj, $name, @args; |
347 | delete $obj->{_attachment}{$name}; |
291 | } |
348 | reattach ($obj); |
|
|
349 | }; |
292 | |
350 | |
293 | sub cf::map::attach { |
351 | *cf::object::attached = |
|
|
352 | *cf::player::attached = |
|
|
353 | *cf::map::attached = sub { |
294 | my ($obj, $name, @args) = @_; |
354 | my ($obj, $name) = @_; |
295 | |
355 | |
296 | _attach_attachment KLASS_MAP, $obj, $name, @args; |
356 | exists $obj->{_attachment}{$name} |
297 | } |
357 | }; |
298 | |
358 | |
299 | sub attach_global { |
359 | sub attach_global { |
300 | _attach @CB_GLOBAL, KLASS_GLOBAL, @_ |
360 | _attach @CB_GLOBAL, KLASS_GLOBAL, @_ |
301 | } |
361 | } |
302 | |
362 | |
… | |
… | |
323 | my $name = shift; |
383 | my $name = shift; |
324 | |
384 | |
325 | $attachment{$name} = [[KLASS_OBJECT, @_]]; |
385 | $attachment{$name} = [[KLASS_OBJECT, @_]]; |
326 | } |
386 | } |
327 | |
387 | |
|
|
388 | sub register_player_attachment { |
|
|
389 | my $name = shift; |
|
|
390 | |
|
|
391 | $attachment{$name} = [[KLASS_PLAYER, @_]]; |
|
|
392 | } |
|
|
393 | |
|
|
394 | sub register_map_attachment { |
|
|
395 | my $name = shift; |
|
|
396 | |
|
|
397 | $attachment{$name} = [[KLASS_MAP, @_]]; |
|
|
398 | } |
|
|
399 | |
328 | our $override; |
400 | our $override; |
329 | our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? |
401 | our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? |
330 | |
402 | |
331 | sub override { |
403 | sub override { |
332 | $override = 1; |
404 | $override = 1; |
… | |
… | |
344 | for (@$callbacks) { |
416 | for (@$callbacks) { |
345 | eval { &{$_->[1]} }; |
417 | eval { &{$_->[1]} }; |
346 | |
418 | |
347 | if ($@) { |
419 | if ($@) { |
348 | warn "$@"; |
420 | warn "$@"; |
349 | warn "... while processing $EVENT[$event][0] event, skipping processing altogether.\n"; |
421 | warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; |
350 | override; |
422 | override; |
351 | } |
423 | } |
352 | |
424 | |
353 | return 1 if $override; |
425 | return 1 if $override; |
354 | } |
426 | } |
355 | |
427 | |
356 | 0 |
428 | 0 |
357 | } |
429 | } |
|
|
430 | |
|
|
431 | =item $bool = cf::invoke EVENT_GLOBAL_XXX, ... |
|
|
432 | |
|
|
433 | =item $bool = $object->invoke (EVENT_OBJECT_XXX, ...) |
|
|
434 | |
|
|
435 | =item $bool = $player->invoke (EVENT_PLAYER_XXX, ...) |
|
|
436 | |
|
|
437 | =item $bool = $map->invoke (EVENT_MAP_XXX, ...) |
|
|
438 | |
|
|
439 | Generate a global/object/player/map-specific event with the given arguments. |
|
|
440 | |
|
|
441 | This API is preliminary (most likely, the EVENT_KLASS_xxx prefix will be |
|
|
442 | removed in future versions), and there is no public API to access override |
|
|
443 | results (if you must, access C<@cf::invoke_results> directly). |
|
|
444 | |
|
|
445 | =back |
|
|
446 | |
|
|
447 | =cut |
|
|
448 | |
|
|
449 | ############################################################################# |
|
|
450 | |
|
|
451 | =head2 METHODS VALID FOR ALL CORE OBJECTS |
|
|
452 | |
|
|
453 | =over 4 |
|
|
454 | |
|
|
455 | =item $object->valid, $player->valid, $map->valid |
|
|
456 | |
|
|
457 | Just because you have a perl object does not mean that the corresponding |
|
|
458 | C-level object still exists. If you try to access an object that has no |
|
|
459 | valid C counterpart anymore you get an exception at runtime. This method |
|
|
460 | can be used to test for existence of the C object part without causing an |
|
|
461 | exception. |
|
|
462 | |
|
|
463 | =back |
|
|
464 | |
|
|
465 | =cut |
|
|
466 | |
|
|
467 | *cf::object::valid = |
|
|
468 | *cf::player::valid = |
|
|
469 | *cf::map::valid = \&cf::_valid; |
358 | |
470 | |
359 | ############################################################################# |
471 | ############################################################################# |
360 | # object support |
472 | # object support |
361 | |
473 | |
362 | sub instantiate { |
474 | sub instantiate { |
… | |
… | |
364 | |
476 | |
365 | $data = from_json $data; |
477 | $data = from_json $data; |
366 | |
478 | |
367 | for (@$data) { |
479 | for (@$data) { |
368 | my ($name, $args) = @$_; |
480 | my ($name, $args) = @$_; |
369 | attach $obj, $name, @{$args || [] }; |
481 | |
|
|
482 | $obj->attach ($name, %{$args || {} }); |
370 | } |
483 | } |
371 | } |
484 | } |
372 | |
485 | |
373 | # basically do the same as instantiate, without calling instantiate |
486 | # basically do the same as instantiate, without calling instantiate |
374 | sub reattach { |
487 | sub reattach { |
375 | my ($obj) = @_; |
488 | my ($obj) = @_; |
376 | my $registry = $obj->registry; |
489 | my $registry = $obj->registry; |
377 | |
490 | |
378 | @$registry = (); |
491 | @$registry = (); |
379 | |
492 | |
|
|
493 | delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} }; |
|
|
494 | |
380 | for my $name (@{ $obj->{_attachment} }) { |
495 | for my $name (keys %{ $obj->{_attachment} || {} }) { |
381 | if (my $attach = $attachment{$name}) { |
496 | if (my $attach = $attachment{$name}) { |
382 | for (@$attach) { |
497 | for (@$attach) { |
383 | my ($klass, @attach) = @$_; |
498 | my ($klass, @attach) = @$_; |
384 | _attach @$registry, $klass, @attach; |
499 | _attach @$registry, $klass, @attach; |
385 | } |
500 | } |
… | |
… | |
388 | } |
503 | } |
389 | } |
504 | } |
390 | } |
505 | } |
391 | |
506 | |
392 | sub object_freezer_save { |
507 | sub object_freezer_save { |
393 | my ($filename, $objs) = @_; |
508 | my ($filename, $rdata, $objs) = @_; |
394 | |
509 | |
395 | $filename .= ".pst"; |
510 | if (length $$rdata) { |
|
|
511 | warn sprintf "saving %s (%d,%d)\n", |
|
|
512 | $filename, length $$rdata, scalar @$objs; |
396 | |
513 | |
397 | if (@$objs) { |
|
|
398 | open my $fh, ">:raw", "$filename~"; |
514 | if (open my $fh, ">:raw", "$filename~") { |
399 | chmod $fh, SAVE_MODE; |
515 | chmod SAVE_MODE, $fh; |
|
|
516 | syswrite $fh, $$rdata; |
|
|
517 | close $fh; |
|
|
518 | |
|
|
519 | if (@$objs && open my $fh, ">:raw", "$filename.pst~") { |
|
|
520 | chmod SAVE_MODE, $fh; |
400 | syswrite $fh, Storable::nfreeze { version => 1, objs => $objs }; |
521 | syswrite $fh, Storable::nfreeze { version => 1, objs => $objs }; |
401 | close $fh; |
522 | close $fh; |
|
|
523 | rename "$filename.pst~", "$filename.pst"; |
|
|
524 | } else { |
|
|
525 | unlink "$filename.pst"; |
|
|
526 | } |
|
|
527 | |
402 | rename "$filename~", $filename; |
528 | rename "$filename~", $filename; |
|
|
529 | } else { |
|
|
530 | warn "FATAL: $filename~: $!\n"; |
|
|
531 | } |
403 | } else { |
532 | } else { |
404 | unlink $filename; |
533 | unlink $filename; |
|
|
534 | unlink "$filename.pst"; |
405 | } |
535 | } |
|
|
536 | } |
|
|
537 | |
|
|
538 | sub object_freezer_as_string { |
|
|
539 | my ($rdata, $objs) = @_; |
|
|
540 | |
|
|
541 | use Data::Dumper; |
|
|
542 | |
|
|
543 | $$rdata . Dumper $objs |
406 | } |
544 | } |
407 | |
545 | |
408 | sub object_thawer_load { |
546 | sub object_thawer_load { |
409 | my ($filename) = @_; |
547 | my ($filename) = @_; |
410 | |
548 | |
|
|
549 | local $/; |
|
|
550 | |
|
|
551 | my $av; |
|
|
552 | |
|
|
553 | #TODO: use sysread etc. |
|
|
554 | if (open my $data, "<:raw:perlio", $filename) { |
|
|
555 | $data = <$data>; |
411 | open my $fh, "<:raw:perlio", "$filename.pst" |
556 | if (open my $pst, "<:raw:perlio", "$filename.pst") { |
412 | or return; |
557 | $av = eval { (Storable::thaw <$pst>)->{objs} }; |
|
|
558 | } |
|
|
559 | return ($data, $av); |
|
|
560 | } |
413 | |
561 | |
414 | eval { local $/; (Storable::thaw <$fh>)->{objs} } |
562 | () |
415 | } |
563 | } |
416 | |
564 | |
417 | attach_to_objects |
565 | attach_to_objects |
418 | prio => -1000000, |
566 | prio => -1000000, |
419 | on_clone => sub { |
567 | on_clone => sub { |
… | |
… | |
421 | |
569 | |
422 | @{$dst->registry} = @{$src->registry}; |
570 | @{$dst->registry} = @{$src->registry}; |
423 | |
571 | |
424 | %$dst = %$src; |
572 | %$dst = %$src; |
425 | |
573 | |
426 | $dst->{_attachment} = [@{ $src->{_attachment} }] |
574 | %{$dst->{_attachment}} = %{$src->{_attachment}} |
427 | if exists $src->{_attachment}; |
575 | if exists $src->{_attachment}; |
428 | }, |
576 | }, |
429 | ; |
577 | ; |
430 | |
578 | |
431 | ############################################################################# |
579 | ############################################################################# |
432 | # old plug-in events |
580 | # command handling &c |
433 | |
581 | |
434 | sub inject_event { |
582 | =item cf::register_command $name => \&callback($ob,$args); |
435 | my $extension = shift; |
|
|
436 | my $event_code = shift; |
|
|
437 | |
583 | |
438 | my $cb = $hook[$event_code]{$extension} |
584 | Register a callback for execution when the client sends the user command |
439 | or return; |
585 | $name. |
440 | |
586 | |
441 | &$cb |
587 | =cut |
442 | } |
|
|
443 | |
|
|
444 | sub inject_global_event { |
|
|
445 | my $event = shift; |
|
|
446 | |
|
|
447 | my $cb = $hook[$event] |
|
|
448 | or return; |
|
|
449 | |
|
|
450 | List::Util::max map &$_, values %$cb |
|
|
451 | } |
|
|
452 | |
|
|
453 | sub inject_command { |
|
|
454 | my ($name, $obj, $params) = @_; |
|
|
455 | |
|
|
456 | for my $cmd (@{ $command{$name} }) { |
|
|
457 | $cmd->[1]->($obj, $params); |
|
|
458 | } |
|
|
459 | |
|
|
460 | -1 |
|
|
461 | } |
|
|
462 | |
588 | |
463 | sub register_command { |
589 | sub register_command { |
464 | my ($name, $time, $cb) = @_; |
590 | my ($name, $cb) = @_; |
465 | |
591 | |
466 | my $caller = caller; |
592 | my $caller = caller; |
467 | #warn "registering command '$name/$time' to '$caller'"; |
593 | #warn "registering command '$name/$time' to '$caller'"; |
468 | |
594 | |
469 | push @{ $command{$name} }, [$time, $cb, $caller]; |
595 | push @{ $COMMAND{$name} }, [$caller, $cb]; |
470 | $COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} }; |
|
|
471 | } |
596 | } |
|
|
597 | |
|
|
598 | =item cf::register_extcmd $name => \&callback($pl,$packet); |
|
|
599 | |
|
|
600 | Register a callbackf ro execution when the client sends an extcmd packet. |
|
|
601 | |
|
|
602 | If the callback returns something, it is sent back as if reply was being |
|
|
603 | called. |
|
|
604 | |
|
|
605 | =cut |
472 | |
606 | |
473 | sub register_extcmd { |
607 | sub register_extcmd { |
474 | my ($name, $cb) = @_; |
608 | my ($name, $cb) = @_; |
475 | |
609 | |
476 | my $caller = caller; |
610 | my $caller = caller; |
477 | #warn "registering extcmd '$name' to '$caller'"; |
611 | #warn "registering extcmd '$name' to '$caller'"; |
478 | |
612 | |
479 | $extcmd{$name} = [$cb, $caller]; |
613 | $EXTCMD{$name} = [$cb, $caller]; |
480 | } |
614 | } |
|
|
615 | |
|
|
616 | attach_to_players |
|
|
617 | on_command => sub { |
|
|
618 | my ($pl, $name, $params) = @_; |
|
|
619 | |
|
|
620 | my $cb = $COMMAND{$name} |
|
|
621 | or return; |
|
|
622 | |
|
|
623 | for my $cmd (@$cb) { |
|
|
624 | $cmd->[1]->($pl->ob, $params); |
|
|
625 | } |
|
|
626 | |
|
|
627 | cf::override; |
|
|
628 | }, |
|
|
629 | on_extcmd => sub { |
|
|
630 | my ($pl, $buf) = @_; |
|
|
631 | |
|
|
632 | my $msg = eval { from_json $buf }; |
|
|
633 | |
|
|
634 | if (ref $msg) { |
|
|
635 | if (my $cb = $EXTCMD{$msg->{msgtype}}) { |
|
|
636 | if (my %reply = $cb->[0]->($pl, $msg)) { |
|
|
637 | $pl->ext_reply ($msg->{msgid}, %reply); |
|
|
638 | } |
|
|
639 | } |
|
|
640 | } else { |
|
|
641 | warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; |
|
|
642 | } |
|
|
643 | |
|
|
644 | cf::override; |
|
|
645 | }, |
|
|
646 | ; |
481 | |
647 | |
482 | sub register { |
648 | sub register { |
483 | my ($base, $pkg) = @_; |
649 | my ($base, $pkg) = @_; |
484 | |
650 | |
485 | #TODO |
651 | #TODO |
… | |
… | |
504 | . "#line 1 \"$path\"\n{\n" |
670 | . "#line 1 \"$path\"\n{\n" |
505 | . (do { local $/; <$fh> }) |
671 | . (do { local $/; <$fh> }) |
506 | . "\n};\n1"; |
672 | . "\n};\n1"; |
507 | |
673 | |
508 | eval $source |
674 | eval $source |
509 | or die "$path: $@"; |
675 | or die $@ ? "$path: $@\n" |
|
|
676 | : "extension disabled.\n"; |
510 | |
677 | |
511 | push @exts, $pkg; |
678 | push @exts, $pkg; |
512 | $ext_pkg{$base} = $pkg; |
679 | $ext_pkg{$base} = $pkg; |
513 | |
680 | |
514 | # no strict 'refs'; |
681 | # no strict 'refs'; |
… | |
… | |
527 | # for my $idx (0 .. $#PLUGIN_EVENT) { |
694 | # for my $idx (0 .. $#PLUGIN_EVENT) { |
528 | # delete $hook[$idx]{$pkg}; |
695 | # delete $hook[$idx]{$pkg}; |
529 | # } |
696 | # } |
530 | |
697 | |
531 | # remove commands |
698 | # remove commands |
532 | for my $name (keys %command) { |
699 | for my $name (keys %COMMAND) { |
533 | my @cb = grep $_->[2] ne $pkg, @{ $command{$name} }; |
700 | my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} }; |
534 | |
701 | |
535 | if (@cb) { |
702 | if (@cb) { |
536 | $command{$name} = \@cb; |
703 | $COMMAND{$name} = \@cb; |
537 | $COMMAND{"$name\000"} = List::Util::max map $_->[0], @cb; |
|
|
538 | } else { |
704 | } else { |
539 | delete $command{$name}; |
|
|
540 | delete $COMMAND{"$name\000"}; |
705 | delete $COMMAND{$name}; |
541 | } |
706 | } |
542 | } |
707 | } |
543 | |
708 | |
544 | # remove extcmds |
709 | # remove extcmds |
545 | for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) { |
710 | for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) { |
546 | delete $extcmd{$name}; |
711 | delete $EXTCMD{$name}; |
547 | } |
712 | } |
548 | |
713 | |
549 | if (my $cb = $pkg->can ("unload")) { |
714 | if (my $cb = $pkg->can ("unload")) { |
550 | eval { |
715 | eval { |
551 | $cb->($pkg); |
716 | $cb->($pkg); |
… | |
… | |
555 | |
720 | |
556 | Symbol::delete_package $pkg; |
721 | Symbol::delete_package $pkg; |
557 | } |
722 | } |
558 | |
723 | |
559 | sub load_extensions { |
724 | sub load_extensions { |
560 | my $LIBDIR = maps_directory "perl"; |
|
|
561 | |
|
|
562 | for my $ext (<$LIBDIR/*.ext>) { |
725 | for my $ext (<$LIBDIR/*.ext>) { |
563 | next unless -r $ext; |
726 | next unless -r $ext; |
564 | eval { |
727 | eval { |
565 | load_extension $ext; |
728 | load_extension $ext; |
566 | 1 |
729 | 1 |
567 | } or warn "$ext not loaded: $@"; |
730 | } or warn "$ext not loaded: $@"; |
568 | } |
731 | } |
569 | } |
732 | } |
570 | |
733 | |
571 | sub _perl_reload(&) { |
|
|
572 | my ($msg) = @_; |
|
|
573 | |
|
|
574 | $msg->("reloading..."); |
|
|
575 | |
|
|
576 | eval { |
|
|
577 | # 1. cancel all watchers |
|
|
578 | $_->cancel for Event::all_watchers; |
|
|
579 | |
|
|
580 | # 2. unload all extensions |
|
|
581 | for (@exts) { |
|
|
582 | $msg->("unloading <$_>"); |
|
|
583 | unload_extension $_; |
|
|
584 | } |
|
|
585 | |
|
|
586 | # 3. unload all modules loaded from $LIBDIR |
|
|
587 | while (my ($k, $v) = each %INC) { |
|
|
588 | next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
|
|
589 | |
|
|
590 | $msg->("removing <$k>"); |
|
|
591 | delete $INC{$k}; |
|
|
592 | |
|
|
593 | $k =~ s/\.pm$//; |
|
|
594 | $k =~ s/\//::/g; |
|
|
595 | |
|
|
596 | if (my $cb = $k->can ("unload_module")) { |
|
|
597 | $cb->(); |
|
|
598 | } |
|
|
599 | |
|
|
600 | Symbol::delete_package $k; |
|
|
601 | } |
|
|
602 | |
|
|
603 | # 4. get rid of safe::, as good as possible |
|
|
604 | Symbol::delete_package "safe::$_" |
|
|
605 | for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region); |
|
|
606 | |
|
|
607 | # 5. remove register_script_function callbacks |
|
|
608 | # TODO |
|
|
609 | |
|
|
610 | # 6. unload cf.pm "a bit" |
|
|
611 | delete $INC{"cf.pm"}; |
|
|
612 | |
|
|
613 | # don't, removes xs symbols, too, |
|
|
614 | # and global variables created in xs |
|
|
615 | #Symbol::delete_package __PACKAGE__; |
|
|
616 | |
|
|
617 | # 7. reload cf.pm |
|
|
618 | $msg->("reloading cf.pm"); |
|
|
619 | require cf; |
|
|
620 | }; |
|
|
621 | $msg->($@) if $@; |
|
|
622 | |
|
|
623 | $msg->("reloaded"); |
|
|
624 | }; |
|
|
625 | |
|
|
626 | sub perl_reload() { |
|
|
627 | _perl_reload { |
|
|
628 | warn $_[0]; |
|
|
629 | print "$_[0]\n"; |
|
|
630 | }; |
|
|
631 | } |
|
|
632 | |
|
|
633 | register_command "perl-reload", 0, sub { |
|
|
634 | my ($who, $arg) = @_; |
|
|
635 | |
|
|
636 | if ($who->flag (FLAG_WIZ)) { |
|
|
637 | _perl_reload { |
|
|
638 | warn $_[0]; |
|
|
639 | $who->message ($_[0]); |
|
|
640 | }; |
|
|
641 | } |
|
|
642 | }; |
|
|
643 | |
|
|
644 | ############################################################################# |
|
|
645 | # extcmd framework, basically convert ext <msg> |
|
|
646 | # into pkg::->on_extcmd_arg1 (...) while shortcutting a few |
|
|
647 | |
|
|
648 | attach_to_players |
|
|
649 | on_extcmd => sub { |
|
|
650 | my ($pl, $buf) = @_; |
|
|
651 | |
|
|
652 | my $msg = eval { from_json $buf }; |
|
|
653 | |
|
|
654 | if (ref $msg) { |
|
|
655 | if (my $cb = $extcmd{$msg->{msgtype}}) { |
|
|
656 | if (my %reply = $cb->[0]->($pl, $msg)) { |
|
|
657 | $pl->ext_reply ($msg->{msgid}, %reply); |
|
|
658 | } |
|
|
659 | } |
|
|
660 | } else { |
|
|
661 | warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; |
|
|
662 | } |
|
|
663 | |
|
|
664 | cf::override; |
|
|
665 | }, |
|
|
666 | ; |
|
|
667 | |
|
|
668 | ############################################################################# |
734 | ############################################################################# |
669 | # load/save/clean perl data associated with a map |
735 | # load/save/clean perl data associated with a map |
670 | |
736 | |
671 | *cf::mapsupport::on_clean = sub { |
737 | *cf::mapsupport::on_clean = sub { |
672 | my ($map) = @_; |
738 | my ($map) = @_; |
673 | |
739 | |
674 | my $path = $map->tmpname; |
740 | my $path = $map->tmpname; |
675 | defined $path or return; |
741 | defined $path or return; |
676 | |
742 | |
677 | unlink "$path.cfperl"; |
|
|
678 | unlink "$path.pst"; |
743 | unlink "$path.pst"; |
679 | }; |
744 | }; |
680 | |
745 | |
681 | *cf::mapsupport::on_swapin = |
|
|
682 | *cf::mapsupport::on_load = sub { |
|
|
683 | my ($map) = @_; |
|
|
684 | |
|
|
685 | my $path = $map->tmpname; |
|
|
686 | $path = $map->path unless defined $path; |
|
|
687 | |
|
|
688 | open my $fh, "<:raw", "$path.cfperl" |
|
|
689 | or return; # no perl data |
|
|
690 | |
|
|
691 | my $data = Storable::thaw do { local $/; <$fh> }; |
|
|
692 | |
|
|
693 | $data->{version} <= 1 |
|
|
694 | or return; # too new |
|
|
695 | |
|
|
696 | $map->_set_obs ($data->{obs}); |
|
|
697 | }; |
|
|
698 | |
|
|
699 | attach_to_maps prio => -10000, package => cf::mapsupport::; |
746 | attach_to_maps prio => -10000, package => cf::mapsupport::; |
700 | |
747 | |
701 | ############################################################################# |
748 | ############################################################################# |
702 | # load/save perl data associated with player->ob objects |
749 | # load/save perl data associated with player->ob objects |
703 | |
750 | |
704 | sub all_objects(@) { |
751 | sub all_objects(@) { |
705 | @_, map all_objects ($_->inv), @_ |
752 | @_, map all_objects ($_->inv), @_ |
706 | } |
753 | } |
707 | |
754 | |
|
|
755 | # TODO: compatibility cruft, remove when no longer needed |
708 | attach_to_players |
756 | attach_to_players |
709 | on_load => sub { |
757 | on_load => sub { |
710 | my ($pl, $path) = @_; |
758 | my ($pl, $path) = @_; |
711 | |
759 | |
712 | for my $o (all_objects $pl->ob) { |
760 | for my $o (all_objects $pl->ob) { |
… | |
… | |
718 | } |
766 | } |
719 | }, |
767 | }, |
720 | ; |
768 | ; |
721 | |
769 | |
722 | ############################################################################# |
770 | ############################################################################# |
723 | # core extensions - in perl |
771 | |
|
|
772 | =head2 CORE EXTENSIONS |
|
|
773 | |
|
|
774 | Functions and methods that extend core crossfire objects. |
|
|
775 | |
|
|
776 | =over 4 |
724 | |
777 | |
725 | =item cf::player::exists $login |
778 | =item cf::player::exists $login |
726 | |
779 | |
727 | Returns true when the given account exists. |
780 | Returns true when the given account exists. |
728 | |
781 | |
… | |
… | |
731 | sub cf::player::exists($) { |
784 | sub cf::player::exists($) { |
732 | cf::player::find $_[0] |
785 | cf::player::find $_[0] |
733 | or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
786 | or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
734 | } |
787 | } |
735 | |
788 | |
736 | =item $player->reply ($npc, $msg[, $flags]) |
789 | =item $player_object->reply ($npc, $msg[, $flags]) |
737 | |
790 | |
738 | Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
791 | Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
739 | can be C<undef>. Does the right thing when the player is currently in a |
792 | can be C<undef>. Does the right thing when the player is currently in a |
740 | dialogue with the given NPC character. |
793 | dialogue with the given NPC character. |
741 | |
794 | |
… | |
… | |
768 | $msg{msgid} = $id; |
821 | $msg{msgid} = $id; |
769 | |
822 | |
770 | $self->send ("ext " . to_json \%msg); |
823 | $self->send ("ext " . to_json \%msg); |
771 | } |
824 | } |
772 | |
825 | |
|
|
826 | =item $player_object->may ("access") |
|
|
827 | |
|
|
828 | Returns wether the given player is authorized to access resource "access" |
|
|
829 | (e.g. "command_wizcast"). |
|
|
830 | |
|
|
831 | =cut |
|
|
832 | |
|
|
833 | sub cf::object::player::may { |
|
|
834 | my ($self, $access) = @_; |
|
|
835 | |
|
|
836 | $self->flag (cf::FLAG_WIZ) || |
|
|
837 | (ref $cf::CFG{"may_$access"} |
|
|
838 | ? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}} |
|
|
839 | : $cf::CFG{"may_$access"}) |
|
|
840 | } |
|
|
841 | |
|
|
842 | =cut |
|
|
843 | |
773 | ############################################################################# |
844 | ############################################################################# |
774 | # map scripting support |
845 | |
|
|
846 | =head2 SAFE SCRIPTING |
|
|
847 | |
|
|
848 | Functions that provide a safe environment to compile and execute |
|
|
849 | snippets of perl code without them endangering the safety of the server |
|
|
850 | itself. Looping constructs, I/O operators and other built-in functionality |
|
|
851 | is not available in the safe scripting environment, and the number of |
|
|
852 | functions and methods that can be called is greatly reduced. |
|
|
853 | |
|
|
854 | =cut |
775 | |
855 | |
776 | our $safe = new Safe "safe"; |
856 | our $safe = new Safe "safe"; |
777 | our $safe_hole = new Safe::Hole; |
857 | our $safe_hole = new Safe::Hole; |
778 | |
858 | |
779 | $SIG{FPE} = 'IGNORE'; |
859 | $SIG{FPE} = 'IGNORE'; |
780 | |
860 | |
781 | $safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
861 | $safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
782 | |
862 | |
783 | # here we export the classes and methods available to script code |
863 | # here we export the classes and methods available to script code |
784 | |
864 | |
|
|
865 | =pod |
|
|
866 | |
|
|
867 | The following fucntions and emthods are available within a safe environment: |
|
|
868 | |
|
|
869 | cf::object contr pay_amount pay_player map |
|
|
870 | cf::object::player player |
|
|
871 | cf::player peaceful |
|
|
872 | cf::map trigger |
|
|
873 | |
|
|
874 | =cut |
|
|
875 | |
785 | for ( |
876 | for ( |
786 | ["cf::object" => qw(contr pay_amount pay_player)], |
877 | ["cf::object" => qw(contr pay_amount pay_player map)], |
787 | ["cf::object::player" => qw(player)], |
878 | ["cf::object::player" => qw(player)], |
788 | ["cf::player" => qw(peaceful)], |
879 | ["cf::player" => qw(peaceful)], |
|
|
880 | ["cf::map" => qw(trigger)], |
789 | ) { |
881 | ) { |
790 | no strict 'refs'; |
882 | no strict 'refs'; |
791 | my ($pkg, @funs) = @$_; |
883 | my ($pkg, @funs) = @$_; |
792 | *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
884 | *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
793 | for @funs; |
885 | for @funs; |
794 | } |
886 | } |
|
|
887 | |
|
|
888 | =over 4 |
|
|
889 | |
|
|
890 | =item @retval = safe_eval $code, [var => value, ...] |
|
|
891 | |
|
|
892 | Compiled and executes the given perl code snippet. additional var/value |
|
|
893 | pairs result in temporary local (my) scalar variables of the given name |
|
|
894 | that are available in the code snippet. Example: |
|
|
895 | |
|
|
896 | my $five = safe_eval '$first + $second', first => 1, second => 4; |
|
|
897 | |
|
|
898 | =cut |
795 | |
899 | |
796 | sub safe_eval($;@) { |
900 | sub safe_eval($;@) { |
797 | my ($code, %vars) = @_; |
901 | my ($code, %vars) = @_; |
798 | |
902 | |
799 | my $qcode = $code; |
903 | my $qcode = $code; |
… | |
… | |
822 | } |
926 | } |
823 | |
927 | |
824 | wantarray ? @res : $res[0] |
928 | wantarray ? @res : $res[0] |
825 | } |
929 | } |
826 | |
930 | |
|
|
931 | =item cf::register_script_function $function => $cb |
|
|
932 | |
|
|
933 | Register a function that can be called from within map/npc scripts. The |
|
|
934 | function should be reasonably secure and should be put into a package name |
|
|
935 | like the extension. |
|
|
936 | |
|
|
937 | Example: register a function that gets called whenever a map script calls |
|
|
938 | C<rent::overview>, as used by the C<rent> extension. |
|
|
939 | |
|
|
940 | cf::register_script_function "rent::overview" => sub { |
|
|
941 | ... |
|
|
942 | }; |
|
|
943 | |
|
|
944 | =cut |
|
|
945 | |
827 | sub register_script_function { |
946 | sub register_script_function { |
828 | my ($fun, $cb) = @_; |
947 | my ($fun, $cb) = @_; |
829 | |
948 | |
830 | no strict 'refs'; |
949 | no strict 'refs'; |
831 | *{"safe::$fun"} = $safe_hole->wrap ($cb); |
950 | *{"safe::$fun"} = $safe_hole->wrap ($cb); |
832 | } |
951 | } |
833 | |
952 | |
|
|
953 | =back |
|
|
954 | |
|
|
955 | =cut |
|
|
956 | |
|
|
957 | ############################################################################# |
|
|
958 | |
|
|
959 | =head2 EXTENSION DATABASE SUPPORT |
|
|
960 | |
|
|
961 | Crossfire maintains a very simple database for extension use. It can |
|
|
962 | currently store anything that can be serialised using Storable, which |
|
|
963 | excludes objects. |
|
|
964 | |
|
|
965 | The parameter C<$family> should best start with the name of the extension |
|
|
966 | using it, it should be unique. |
|
|
967 | |
|
|
968 | =over 4 |
|
|
969 | |
|
|
970 | =item $hashref = cf::db_get $family |
|
|
971 | |
|
|
972 | Return a hashref for use by the extension C<$family>, which can be |
|
|
973 | modified. After modifications, you have to call C<cf::db_dirty> or |
|
|
974 | C<cf::db_sync>. |
|
|
975 | |
|
|
976 | =item $value = cf::db_get $family => $key |
|
|
977 | |
|
|
978 | Returns a single value from the database |
|
|
979 | |
|
|
980 | =item cf::db_put $family => $hashref |
|
|
981 | |
|
|
982 | Stores the given family hashref into the database. Updates are delayed, if |
|
|
983 | you want the data to be synced to disk immediately, use C<cf::db_sync>. |
|
|
984 | |
|
|
985 | =item cf::db_put $family => $key => $value |
|
|
986 | |
|
|
987 | Stores the given C<$value> in the family hash. Updates are delayed, if you |
|
|
988 | want the data to be synced to disk immediately, use C<cf::db_sync>. |
|
|
989 | |
|
|
990 | =item cf::db_dirty |
|
|
991 | |
|
|
992 | Marks the database as dirty, to be updated at a later time. |
|
|
993 | |
|
|
994 | =item cf::db_sync |
|
|
995 | |
|
|
996 | Immediately write the database to disk I<if it is dirty>. |
|
|
997 | |
|
|
998 | =cut |
|
|
999 | |
|
|
1000 | our $DB; |
|
|
1001 | |
|
|
1002 | { |
|
|
1003 | my $path = cf::localdir . "/database.pst"; |
|
|
1004 | |
|
|
1005 | sub db_load() { |
|
|
1006 | warn "loading database $path\n";#d# remove later |
|
|
1007 | $DB = stat $path ? Storable::retrieve $path : { }; |
|
|
1008 | } |
|
|
1009 | |
|
|
1010 | my $pid; |
|
|
1011 | |
|
|
1012 | sub db_save() { |
|
|
1013 | warn "saving database $path\n";#d# remove later |
|
|
1014 | waitpid $pid, 0 if $pid; |
|
|
1015 | if (0 == ($pid = fork)) { |
|
|
1016 | $DB->{_meta}{version} = 1; |
|
|
1017 | Storable::nstore $DB, "$path~"; |
|
|
1018 | rename "$path~", $path; |
|
|
1019 | cf::_exit 0 if defined $pid; |
|
|
1020 | } |
|
|
1021 | } |
|
|
1022 | |
|
|
1023 | my $dirty; |
|
|
1024 | |
|
|
1025 | sub db_sync() { |
|
|
1026 | db_save if $dirty; |
|
|
1027 | undef $dirty; |
|
|
1028 | } |
|
|
1029 | |
|
|
1030 | my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub { |
|
|
1031 | db_sync; |
|
|
1032 | }); |
|
|
1033 | |
|
|
1034 | sub db_dirty() { |
|
|
1035 | $dirty = 1; |
|
|
1036 | $idle->start; |
|
|
1037 | } |
|
|
1038 | |
|
|
1039 | sub db_get($;$) { |
|
|
1040 | @_ >= 2 |
|
|
1041 | ? $DB->{$_[0]}{$_[1]} |
|
|
1042 | : ($DB->{$_[0]} ||= { }) |
|
|
1043 | } |
|
|
1044 | |
|
|
1045 | sub db_put($$;$) { |
|
|
1046 | if (@_ >= 3) { |
|
|
1047 | $DB->{$_[0]}{$_[1]} = $_[2]; |
|
|
1048 | } else { |
|
|
1049 | $DB->{$_[0]} = $_[1]; |
|
|
1050 | } |
|
|
1051 | db_dirty; |
|
|
1052 | } |
|
|
1053 | |
|
|
1054 | attach_global |
|
|
1055 | prio => 10000, |
|
|
1056 | on_cleanup => sub { |
|
|
1057 | db_sync; |
|
|
1058 | }, |
|
|
1059 | ; |
|
|
1060 | } |
|
|
1061 | |
834 | ############################################################################# |
1062 | ############################################################################# |
835 | # the server's main() |
1063 | # the server's main() |
836 | |
1064 | |
|
|
1065 | sub cfg_load { |
|
|
1066 | open my $fh, "<:utf8", cf::confdir . "/config" |
|
|
1067 | or return; |
|
|
1068 | |
|
|
1069 | local $/; |
|
|
1070 | *CFG = YAML::Syck::Load <$fh>; |
|
|
1071 | } |
|
|
1072 | |
837 | sub main { |
1073 | sub main { |
|
|
1074 | cfg_load; |
|
|
1075 | db_load; |
|
|
1076 | load_extensions; |
838 | Event::loop; |
1077 | Event::loop; |
839 | } |
1078 | } |
840 | |
1079 | |
841 | ############################################################################# |
1080 | ############################################################################# |
842 | # initialisation |
1081 | # initialisation |
843 | |
1082 | |
|
|
1083 | sub _perl_reload(&) { |
|
|
1084 | my ($msg) = @_; |
|
|
1085 | |
|
|
1086 | $msg->("reloading..."); |
|
|
1087 | |
|
|
1088 | eval { |
|
|
1089 | # cancel all watchers |
|
|
1090 | for (Event::all_watchers) { |
|
|
1091 | $_->cancel if $_->data & WF_AUTOCANCEL; |
|
|
1092 | } |
|
|
1093 | |
|
|
1094 | # unload all extensions |
|
|
1095 | for (@exts) { |
|
|
1096 | $msg->("unloading <$_>"); |
|
|
1097 | unload_extension $_; |
|
|
1098 | } |
|
|
1099 | |
|
|
1100 | # unload all modules loaded from $LIBDIR |
|
|
1101 | while (my ($k, $v) = each %INC) { |
|
|
1102 | next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
|
|
1103 | |
|
|
1104 | $msg->("removing <$k>"); |
|
|
1105 | delete $INC{$k}; |
|
|
1106 | |
|
|
1107 | $k =~ s/\.pm$//; |
|
|
1108 | $k =~ s/\//::/g; |
|
|
1109 | |
|
|
1110 | if (my $cb = $k->can ("unload_module")) { |
|
|
1111 | $cb->(); |
|
|
1112 | } |
|
|
1113 | |
|
|
1114 | Symbol::delete_package $k; |
|
|
1115 | } |
|
|
1116 | |
|
|
1117 | # sync database to disk |
|
|
1118 | cf::db_sync; |
|
|
1119 | |
|
|
1120 | # get rid of safe::, as good as possible |
|
|
1121 | Symbol::delete_package "safe::$_" |
|
|
1122 | for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region); |
|
|
1123 | |
|
|
1124 | # remove register_script_function callbacks |
|
|
1125 | # TODO |
|
|
1126 | |
|
|
1127 | # unload cf.pm "a bit" |
|
|
1128 | delete $INC{"cf.pm"}; |
|
|
1129 | |
|
|
1130 | # don't, removes xs symbols, too, |
|
|
1131 | # and global variables created in xs |
|
|
1132 | #Symbol::delete_package __PACKAGE__; |
|
|
1133 | |
|
|
1134 | # reload cf.pm |
|
|
1135 | $msg->("reloading cf.pm"); |
|
|
1136 | require cf; |
|
|
1137 | |
|
|
1138 | # load config and database again |
|
|
1139 | cf::cfg_load; |
|
|
1140 | cf::db_load; |
|
|
1141 | |
|
|
1142 | # load extensions |
|
|
1143 | $msg->("load extensions"); |
|
|
1144 | cf::load_extensions; |
|
|
1145 | |
|
|
1146 | # reattach attachments to objects |
|
|
1147 | $msg->("reattach"); |
|
|
1148 | _global_reattach; |
|
|
1149 | }; |
|
|
1150 | $msg->($@) if $@; |
|
|
1151 | |
|
|
1152 | $msg->("reloaded"); |
|
|
1153 | }; |
|
|
1154 | |
|
|
1155 | sub perl_reload() { |
|
|
1156 | _perl_reload { |
|
|
1157 | warn $_[0]; |
|
|
1158 | print "$_[0]\n"; |
|
|
1159 | }; |
|
|
1160 | } |
|
|
1161 | |
844 | register "<global>", __PACKAGE__; |
1162 | register "<global>", __PACKAGE__; |
845 | |
1163 | |
|
|
1164 | register_command "perl-reload" => sub { |
|
|
1165 | my ($who, $arg) = @_; |
|
|
1166 | |
|
|
1167 | if ($who->flag (FLAG_WIZ)) { |
|
|
1168 | _perl_reload { |
|
|
1169 | warn $_[0]; |
|
|
1170 | $who->message ($_[0]); |
|
|
1171 | }; |
|
|
1172 | } |
|
|
1173 | }; |
|
|
1174 | |
846 | unshift @INC, $LIBDIR; |
1175 | unshift @INC, $LIBDIR; |
847 | |
1176 | |
848 | load_extensions; |
|
|
849 | |
|
|
850 | $TICK_WATCHER = Event->timer ( |
1177 | $TICK_WATCHER = Event->timer ( |
851 | prio => 1, |
1178 | prio => 0, |
852 | at => $NEXT_TICK || 1, |
1179 | at => $NEXT_TICK || 1, |
|
|
1180 | data => WF_AUTOCANCEL, |
853 | cb => sub { |
1181 | cb => sub { |
854 | cf::server_tick; # one server iteration |
1182 | cf::server_tick; # one server iteration |
855 | |
1183 | |
856 | my $NOW = Event::time; |
1184 | my $NOW = Event::time; |
857 | $NEXT_TICK += $TICK; |
1185 | $NEXT_TICK += $TICK; |
858 | |
1186 | |
859 | # if we are delayed by four ticks, skip them all |
1187 | # if we are delayed by four ticks or more, skip them all |
860 | $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4; |
1188 | $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4; |
861 | |
1189 | |
862 | $TICK_WATCHER->at ($NEXT_TICK); |
1190 | $TICK_WATCHER->at ($NEXT_TICK); |
863 | $TICK_WATCHER->start; |
1191 | $TICK_WATCHER->start; |
864 | }, |
1192 | }, |
865 | ); |
1193 | ); |
866 | |
1194 | |
867 | _reload_2; |
1195 | IO::AIO::max_poll_time $TICK * 0.2; |
|
|
1196 | |
|
|
1197 | Event->io (fd => IO::AIO::poll_fileno, |
|
|
1198 | poll => 'r', |
|
|
1199 | prio => 5, |
|
|
1200 | data => WF_AUTOCANCEL, |
|
|
1201 | cb => \&IO::AIO::poll_cb); |
868 | |
1202 | |
869 | 1 |
1203 | 1 |
870 | |
1204 | |