1 | package cf; |
1 | package cf; |
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2 | |
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3 | use utf8; |
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4 | use strict; |
2 | |
5 | |
3 | use Symbol; |
6 | use Symbol; |
4 | use List::Util; |
7 | use List::Util; |
5 | use Storable; |
8 | use Storable; |
6 | use Opcode; |
9 | use Opcode; |
7 | use Safe; |
10 | use Safe; |
8 | use Safe::Hole; |
11 | use Safe::Hole; |
9 | |
12 | |
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13 | use Coro 3.3; |
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14 | use Coro::Event; |
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15 | use Coro::Timer; |
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16 | use Coro::Signal; |
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17 | use Coro::Semaphore; |
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18 | use Coro::AIO; |
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19 | |
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20 | use Fcntl; |
10 | use IO::AIO (); |
21 | use IO::AIO 2.31 (); |
11 | use YAML::Syck (); |
22 | use YAML::Syck (); |
12 | use Time::HiRes; |
23 | use Time::HiRes; |
13 | use Event; |
24 | |
14 | $Event::Eval = 1; # no idea why this is required, but it is |
25 | use Event; $Event::Eval = 1; # no idea why this is required, but it is |
15 | |
26 | |
16 | # work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? |
27 | # work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? |
17 | $YAML::Syck::ImplicitUnicode = 1; |
28 | $YAML::Syck::ImplicitUnicode = 1; |
18 | |
29 | |
19 | use strict; |
30 | $Coro::main->prio (2); # run main coroutine ("the server") with very high priority |
20 | |
31 | |
21 | sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload |
32 | sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload |
22 | |
33 | |
23 | our %COMMAND = (); |
34 | our %COMMAND = (); |
24 | our %COMMAND_TIME = (); |
35 | our %COMMAND_TIME = (); |
25 | our %EXTCMD = (); |
36 | our %EXTCMD = (); |
26 | |
37 | |
27 | _init_vars; |
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28 | |
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29 | our @EVENT; |
38 | our @EVENT; |
30 | our $LIBDIR = datadir . "/ext"; |
39 | our $LIBDIR = datadir . "/ext"; |
31 | |
40 | |
32 | our $TICK = MAX_TIME * 1e-6; |
41 | our $TICK = MAX_TIME * 1e-6; |
33 | our $TICK_WATCHER; |
42 | our $TICK_WATCHER; |
34 | our $NEXT_TICK; |
43 | our $NEXT_TICK; |
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44 | our $NOW; |
35 | |
45 | |
36 | our %CFG; |
46 | our %CFG; |
37 | |
47 | |
38 | our $UPTIME; $UPTIME ||= time; |
48 | our $UPTIME; $UPTIME ||= time; |
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49 | our $RUNTIME; |
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50 | |
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51 | our %MAP; # all maps |
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52 | our $LINK_MAP; # the special {link} map |
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53 | our $FREEZE; |
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54 | |
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55 | binmode STDOUT; |
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56 | binmode STDERR; |
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57 | |
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58 | # read virtual server time, if available |
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59 | unless ($RUNTIME || !-e cf::localdir . "/runtime") { |
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60 | open my $fh, "<", cf::localdir . "/runtime" |
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61 | or die "unable to read runtime file: $!"; |
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62 | $RUNTIME = <$fh> + 0.; |
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63 | } |
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64 | |
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65 | mkdir cf::localdir; |
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66 | mkdir cf::localdir . "/" . cf::playerdir; |
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67 | mkdir cf::localdir . "/" . cf::tmpdir; |
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68 | mkdir cf::localdir . "/" . cf::uniquedir; |
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69 | |
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70 | our %EXT_CORO; |
39 | |
71 | |
40 | ############################################################################# |
72 | ############################################################################# |
41 | |
73 | |
42 | =head2 GLOBAL VARIABLES |
74 | =head2 GLOBAL VARIABLES |
43 | |
75 | |
44 | =over 4 |
76 | =over 4 |
45 | |
77 | |
46 | =item $cf::UPTIME |
78 | =item $cf::UPTIME |
47 | |
79 | |
48 | The timestamp of the server start (so not actually an uptime). |
80 | The timestamp of the server start (so not actually an uptime). |
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81 | |
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82 | =item $cf::RUNTIME |
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83 | |
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84 | The time this server has run, starts at 0 and is increased by $cf::TICK on |
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85 | every server tick. |
49 | |
86 | |
50 | =item $cf::LIBDIR |
87 | =item $cf::LIBDIR |
51 | |
88 | |
52 | The perl library directory, where extensions and cf-specific modules can |
89 | The perl library directory, where extensions and cf-specific modules can |
53 | be found. It will be added to C<@INC> automatically. |
90 | be found. It will be added to C<@INC> automatically. |
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91 | |
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92 | =item $cf::NOW |
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93 | |
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94 | The time of the last (current) server tick. |
54 | |
95 | |
55 | =item $cf::TICK |
96 | =item $cf::TICK |
56 | |
97 | |
57 | The interval between server ticks, in seconds. |
98 | The interval between server ticks, in seconds. |
58 | |
99 | |
… | |
… | |
66 | =cut |
107 | =cut |
67 | |
108 | |
68 | BEGIN { |
109 | BEGIN { |
69 | *CORE::GLOBAL::warn = sub { |
110 | *CORE::GLOBAL::warn = sub { |
70 | my $msg = join "", @_; |
111 | my $msg = join "", @_; |
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112 | utf8::encode $msg; |
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113 | |
71 | $msg .= "\n" |
114 | $msg .= "\n" |
72 | unless $msg =~ /\n$/; |
115 | unless $msg =~ /\n$/; |
73 | |
116 | |
74 | print STDERR "cfperl: $msg"; |
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75 | LOG llevError, "cfperl: $msg"; |
117 | LOG llevError, "cfperl: $msg"; |
76 | }; |
118 | }; |
77 | } |
119 | } |
78 | |
120 | |
79 | @safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; |
121 | @safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; |
… | |
… | |
84 | @safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
126 | @safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
85 | |
127 | |
86 | # we bless all objects into (empty) derived classes to force a method lookup |
128 | # we bless all objects into (empty) derived classes to force a method lookup |
87 | # within the Safe compartment. |
129 | # within the Safe compartment. |
88 | for my $pkg (qw( |
130 | for my $pkg (qw( |
89 | cf::global |
131 | cf::global cf::attachable |
90 | cf::object cf::object::player |
132 | cf::object cf::object::player |
91 | cf::client cf::player |
133 | cf::client cf::player |
92 | cf::arch cf::living |
134 | cf::arch cf::living |
93 | cf::map cf::party cf::region |
135 | cf::map cf::party cf::region |
94 | )) { |
136 | )) { |
… | |
… | |
130 | =cut |
172 | =cut |
131 | |
173 | |
132 | sub to_json($) { |
174 | sub to_json($) { |
133 | $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
175 | $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
134 | JSON::Syck::Dump $_[0] |
176 | JSON::Syck::Dump $_[0] |
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177 | } |
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178 | |
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179 | =item cf::sync_job { BLOCK } |
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180 | |
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181 | The design of crossfire+ requires that the main coro ($Coro::main) is |
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182 | always able to handle events or runnable, as crossfire+ is only partly |
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183 | reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. |
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184 | |
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185 | If it must be done, put the blocking parts into C<sync_job>. This will run |
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186 | the given BLOCK in another coroutine while waiting for the result. The |
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187 | server will be frozen during this time, so the block should either finish |
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188 | fast or be very important. |
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189 | |
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190 | =cut |
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191 | |
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192 | sub sync_job(&) { |
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193 | my ($job) = @_; |
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194 | |
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195 | my $busy = 1; |
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196 | my @res; |
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197 | |
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198 | # TODO: use suspend/resume instead |
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199 | local $FREEZE = 1; |
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200 | |
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201 | my $coro = Coro::async { |
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202 | @res = eval { $job->() }; |
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203 | warn $@ if $@; |
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204 | undef $busy; |
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205 | }; |
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206 | |
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207 | if ($Coro::current == $Coro::main) { |
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208 | $coro->prio (Coro::PRIO_MAX); |
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209 | while ($busy) { |
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210 | Coro::cede_notself; |
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211 | Event::one_event unless Coro::nready; |
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212 | } |
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213 | } else { |
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214 | $coro->join; |
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215 | } |
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216 | |
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217 | wantarray ? @res : $res[0] |
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218 | } |
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219 | |
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220 | =item $coro = cf::coro { BLOCK } |
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221 | |
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222 | Creates and returns a new coro. This coro is automcatially being canceled |
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223 | when the extension calling this is being unloaded. |
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224 | |
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225 | =cut |
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226 | |
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227 | sub coro(&) { |
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228 | my $cb = shift; |
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229 | |
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230 | my $coro; $coro = async { |
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231 | eval { |
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232 | $cb->(); |
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233 | }; |
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234 | warn $@ if $@; |
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235 | }; |
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236 | |
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237 | $coro->on_destroy (sub { |
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238 | delete $EXT_CORO{$coro+0}; |
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239 | }); |
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240 | $EXT_CORO{$coro+0} = $coro; |
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241 | |
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242 | $coro |
135 | } |
243 | } |
136 | |
244 | |
137 | =back |
245 | =back |
138 | |
246 | |
139 | =cut |
247 | =cut |
… | |
… | |
249 | my ($self, $victim) = @_; |
357 | my ($self, $victim) = @_; |
250 | ... |
358 | ... |
251 | } |
359 | } |
252 | } |
360 | } |
253 | |
361 | |
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362 | =item $attachable->valid |
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363 | |
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364 | Just because you have a perl object does not mean that the corresponding |
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365 | C-level object still exists. If you try to access an object that has no |
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366 | valid C counterpart anymore you get an exception at runtime. This method |
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367 | can be used to test for existence of the C object part without causing an |
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368 | exception. |
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369 | |
254 | =cut |
370 | =cut |
255 | |
371 | |
256 | # the following variables are defined in .xs and must not be re-created |
372 | # the following variables are defined in .xs and must not be re-created |
257 | our @CB_GLOBAL = (); # registry for all global events |
373 | our @CB_GLOBAL = (); # registry for all global events |
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374 | our @CB_ATTACHABLE = (); # registry for all attachables |
258 | our @CB_OBJECT = (); # all objects (should not be used except in emergency) |
375 | our @CB_OBJECT = (); # all objects (should not be used except in emergency) |
259 | our @CB_PLAYER = (); |
376 | our @CB_PLAYER = (); |
260 | our @CB_CLIENT = (); |
377 | our @CB_CLIENT = (); |
261 | our @CB_TYPE = (); # registry for type (cf-object class) based events |
378 | our @CB_TYPE = (); # registry for type (cf-object class) based events |
262 | our @CB_MAP = (); |
379 | our @CB_MAP = (); |
263 | |
380 | |
264 | my %attachment; |
381 | my %attachment; |
265 | |
382 | |
266 | sub _attach_cb($$$$) { |
383 | sub _attach_cb($$$$) { |
267 | my ($registry, $event, $prio, $cb) = @_; |
384 | my ($registry, $event, $prio, $cb) = @_; |
… | |
… | |
272 | |
389 | |
273 | @{$registry->[$event]} = sort |
390 | @{$registry->[$event]} = sort |
274 | { $a->[0] cmp $b->[0] } |
391 | { $a->[0] cmp $b->[0] } |
275 | @{$registry->[$event] || []}, $cb; |
392 | @{$registry->[$event] || []}, $cb; |
276 | } |
393 | } |
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394 | |
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395 | # hack |
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396 | my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP; |
277 | |
397 | |
278 | # attach handles attaching event callbacks |
398 | # attach handles attaching event callbacks |
279 | # the only thing the caller has to do is pass the correct |
399 | # the only thing the caller has to do is pass the correct |
280 | # registry (== where the callback attaches to). |
400 | # registry (== where the callback attaches to). |
281 | sub _attach { |
401 | sub _attach { |
… | |
… | |
283 | |
403 | |
284 | my $object_type; |
404 | my $object_type; |
285 | my $prio = 0; |
405 | my $prio = 0; |
286 | my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT; |
406 | my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT; |
287 | |
407 | |
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408 | #TODO: get rid of this hack |
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409 | if ($attachable_klass{$klass}) { |
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410 | %cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT); |
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411 | } |
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412 | |
288 | while (@arg) { |
413 | while (@arg) { |
289 | my $type = shift @arg; |
414 | my $type = shift @arg; |
290 | |
415 | |
291 | if ($type eq "prio") { |
416 | if ($type eq "prio") { |
292 | $prio = shift @arg; |
417 | $prio = shift @arg; |
… | |
… | |
367 | my ($obj, $name) = @_; |
492 | my ($obj, $name) = @_; |
368 | |
493 | |
369 | exists $obj->{_attachment}{$name} |
494 | exists $obj->{_attachment}{$name} |
370 | } |
495 | } |
371 | |
496 | |
372 | for my $klass (qw(GLOBAL OBJECT PLAYER CLIENT MAP)) { |
497 | for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) { |
373 | eval "#line " . __LINE__ . " 'cf.pm' |
498 | eval "#line " . __LINE__ . " 'cf.pm' |
374 | sub cf::\L$klass\E::_attach_registry { |
499 | sub cf::\L$klass\E::_attach_registry { |
375 | (\\\@CB_$klass, KLASS_$klass) |
500 | (\\\@CB_$klass, KLASS_$klass) |
376 | } |
501 | } |
377 | |
502 | |
… | |
… | |
413 | } |
538 | } |
414 | |
539 | |
415 | 0 |
540 | 0 |
416 | } |
541 | } |
417 | |
542 | |
418 | =item $bool = cf::invoke EVENT_GLOBAL_XXX, ... |
543 | =item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) |
419 | |
544 | |
420 | =item $bool = $object->invoke (EVENT_OBJECT_XXX, ...) |
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421 | |
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422 | =item $bool = $player->invoke (EVENT_PLAYER_XXX, ...) |
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423 | |
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424 | =item $bool = $client->invoke (EVENT_CLIENT_XXX, ...) |
545 | =item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) |
425 | |
546 | |
426 | =item $bool = $map->invoke (EVENT_MAP_XXX, ...) |
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427 | |
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428 | Generate a global/object/player/map-specific event with the given arguments. |
547 | Generate an object-specific event with the given arguments. |
429 | |
548 | |
430 | This API is preliminary (most likely, the EVENT_KLASS_xxx prefix will be |
549 | This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be |
431 | removed in future versions), and there is no public API to access override |
550 | removed in future versions), and there is no public API to access override |
432 | results (if you must, access C<@cf::invoke_results> directly). |
551 | results (if you must, access C<@cf::invoke_results> directly). |
433 | |
552 | |
434 | =back |
553 | =back |
435 | |
554 | |
436 | =cut |
555 | =cut |
437 | |
556 | |
438 | ############################################################################# |
557 | ############################################################################# |
439 | |
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440 | =head2 METHODS VALID FOR ALL ATTACHABLE OBJECTS |
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441 | |
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442 | Attachable objects includes objects, players, clients and maps. |
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443 | |
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444 | =over 4 |
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445 | |
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446 | =item $object->valid |
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447 | |
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448 | Just because you have a perl object does not mean that the corresponding |
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449 | C-level object still exists. If you try to access an object that has no |
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450 | valid C counterpart anymore you get an exception at runtime. This method |
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451 | can be used to test for existence of the C object part without causing an |
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452 | exception. |
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453 | |
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454 | =back |
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455 | |
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456 | =cut |
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457 | |
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458 | ############################################################################# |
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459 | # object support |
558 | # object support |
460 | |
559 | |
461 | sub instantiate { |
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462 | my ($obj, $data) = @_; |
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463 | |
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464 | $data = from_json $data; |
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465 | |
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466 | for (@$data) { |
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467 | my ($name, $args) = @$_; |
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468 | |
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469 | $obj->attach ($name, %{$args || {} }); |
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470 | } |
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471 | } |
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472 | |
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473 | # basically do the same as instantiate, without calling instantiate |
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474 | sub reattach { |
560 | sub reattach { |
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561 | # basically do the same as instantiate, without calling instantiate |
475 | my ($obj) = @_; |
562 | my ($obj) = @_; |
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563 | |
476 | my $registry = $obj->registry; |
564 | my $registry = $obj->registry; |
477 | |
565 | |
478 | @$registry = (); |
566 | @$registry = (); |
479 | |
567 | |
480 | delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} }; |
568 | delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} }; |
… | |
… | |
489 | warn "object uses attachment '$name' that is not available, postponing.\n"; |
577 | warn "object uses attachment '$name' that is not available, postponing.\n"; |
490 | } |
578 | } |
491 | } |
579 | } |
492 | } |
580 | } |
493 | |
581 | |
494 | sub object_freezer_save { |
582 | cf::attachable->attach ( |
495 | my ($filename, $rdata, $objs) = @_; |
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496 | |
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497 | if (length $$rdata) { |
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498 | warn sprintf "saving %s (%d,%d)\n", |
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499 | $filename, length $$rdata, scalar @$objs; |
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500 | |
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501 | if (open my $fh, ">:raw", "$filename~") { |
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502 | chmod SAVE_MODE, $fh; |
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503 | syswrite $fh, $$rdata; |
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504 | close $fh; |
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505 | |
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506 | if (@$objs && open my $fh, ">:raw", "$filename.pst~") { |
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507 | chmod SAVE_MODE, $fh; |
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508 | syswrite $fh, Storable::nfreeze { version => 1, objs => $objs }; |
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509 | close $fh; |
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510 | rename "$filename.pst~", "$filename.pst"; |
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511 | } else { |
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512 | unlink "$filename.pst"; |
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513 | } |
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514 | |
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515 | rename "$filename~", $filename; |
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516 | } else { |
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517 | warn "FATAL: $filename~: $!\n"; |
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518 | } |
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519 | } else { |
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520 | unlink $filename; |
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521 | unlink "$filename.pst"; |
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522 | } |
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523 | } |
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524 | |
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525 | sub object_freezer_as_string { |
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526 | my ($rdata, $objs) = @_; |
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527 | |
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528 | use Data::Dumper; |
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529 | |
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530 | $$rdata . Dumper $objs |
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531 | } |
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532 | |
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533 | sub object_thawer_load { |
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534 | my ($filename) = @_; |
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535 | |
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536 | local $/; |
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537 | |
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538 | my $av; |
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539 | |
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540 | #TODO: use sysread etc. |
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541 | if (open my $data, "<:raw:perlio", $filename) { |
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542 | $data = <$data>; |
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543 | if (open my $pst, "<:raw:perlio", "$filename.pst") { |
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544 | $av = eval { (Storable::thaw <$pst>)->{objs} }; |
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545 | } |
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546 | return ($data, $av); |
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547 | } |
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548 | |
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549 | () |
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550 | } |
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551 | |
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552 | cf::object->attach ( |
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553 | prio => -1000000, |
583 | prio => -1000000, |
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584 | on_instantiate => sub { |
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585 | my ($obj, $data) = @_; |
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586 | |
|
|
587 | $data = from_json $data; |
|
|
588 | |
|
|
589 | for (@$data) { |
|
|
590 | my ($name, $args) = @$_; |
|
|
591 | |
|
|
592 | $obj->attach ($name, %{$args || {} }); |
|
|
593 | } |
|
|
594 | }, |
|
|
595 | on_reattach => \&reattach, |
554 | on_clone => sub { |
596 | on_clone => sub { |
555 | my ($src, $dst) = @_; |
597 | my ($src, $dst) = @_; |
556 | |
598 | |
557 | @{$dst->registry} = @{$src->registry}; |
599 | @{$dst->registry} = @{$src->registry}; |
558 | |
600 | |
… | |
… | |
560 | |
602 | |
561 | %{$dst->{_attachment}} = %{$src->{_attachment}} |
603 | %{$dst->{_attachment}} = %{$src->{_attachment}} |
562 | if exists $src->{_attachment}; |
604 | if exists $src->{_attachment}; |
563 | }, |
605 | }, |
564 | ); |
606 | ); |
|
|
607 | |
|
|
608 | sub object_freezer_save { |
|
|
609 | my ($filename, $rdata, $objs) = @_; |
|
|
610 | |
|
|
611 | sync_job { |
|
|
612 | if (length $$rdata) { |
|
|
613 | warn sprintf "saving %s (%d,%d)\n", |
|
|
614 | $filename, length $$rdata, scalar @$objs; |
|
|
615 | |
|
|
616 | if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { |
|
|
617 | chmod SAVE_MODE, $fh; |
|
|
618 | aio_write $fh, 0, (length $$rdata), $$rdata, 0; |
|
|
619 | aio_fsync $fh; |
|
|
620 | close $fh; |
|
|
621 | |
|
|
622 | if (@$objs) { |
|
|
623 | if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { |
|
|
624 | chmod SAVE_MODE, $fh; |
|
|
625 | my $data = Storable::nfreeze { version => 1, objs => $objs }; |
|
|
626 | aio_write $fh, 0, (length $data), $data, 0; |
|
|
627 | aio_fsync $fh; |
|
|
628 | close $fh; |
|
|
629 | aio_rename "$filename.pst~", "$filename.pst"; |
|
|
630 | } |
|
|
631 | } else { |
|
|
632 | aio_unlink "$filename.pst"; |
|
|
633 | } |
|
|
634 | |
|
|
635 | aio_rename "$filename~", $filename; |
|
|
636 | } else { |
|
|
637 | warn "FATAL: $filename~: $!\n"; |
|
|
638 | } |
|
|
639 | } else { |
|
|
640 | aio_unlink $filename; |
|
|
641 | aio_unlink "$filename.pst"; |
|
|
642 | } |
|
|
643 | } |
|
|
644 | } |
|
|
645 | |
|
|
646 | sub object_freezer_as_string { |
|
|
647 | my ($rdata, $objs) = @_; |
|
|
648 | |
|
|
649 | use Data::Dumper; |
|
|
650 | |
|
|
651 | $$rdata . Dumper $objs |
|
|
652 | } |
|
|
653 | |
|
|
654 | sub object_thawer_load { |
|
|
655 | my ($filename) = @_; |
|
|
656 | |
|
|
657 | my ($data, $av); |
|
|
658 | |
|
|
659 | (aio_load $filename, $data) >= 0 |
|
|
660 | or return; |
|
|
661 | |
|
|
662 | unless (aio_stat "$filename.pst") { |
|
|
663 | (aio_load "$filename.pst", $av) >= 0 |
|
|
664 | or return; |
|
|
665 | $av = eval { (Storable::thaw <$av>)->{objs} }; |
|
|
666 | } |
|
|
667 | |
|
|
668 | return ($data, $av); |
|
|
669 | } |
565 | |
670 | |
566 | ############################################################################# |
671 | ############################################################################# |
567 | # command handling &c |
672 | # command handling &c |
568 | |
673 | |
569 | =item cf::register_command $name => \&callback($ob,$args); |
674 | =item cf::register_command $name => \&callback($ob,$args); |
… | |
… | |
895 | |
1000 | |
896 | if (@{ $ns->{query_queue} } == @$queue) { |
1001 | if (@{ $ns->{query_queue} } == @$queue) { |
897 | if (@$queue) { |
1002 | if (@$queue) { |
898 | $ns->send_packet ($ns->{query_queue}[0][0]); |
1003 | $ns->send_packet ($ns->{query_queue}[0][0]); |
899 | } else { |
1004 | } else { |
900 | $ns->state (ST_PLAYING); |
1005 | $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; |
901 | } |
1006 | } |
902 | } |
1007 | } |
|
|
1008 | }, |
|
|
1009 | ); |
|
|
1010 | |
|
|
1011 | =item $client->coro (\&cb) |
|
|
1012 | |
|
|
1013 | Create a new coroutine, running the specified callback. The coroutine will |
|
|
1014 | be automatically cancelled when the client gets destroyed (e.g. on logout, |
|
|
1015 | or loss of connection). |
|
|
1016 | |
|
|
1017 | =cut |
|
|
1018 | |
|
|
1019 | sub cf::client::coro { |
|
|
1020 | my ($self, $cb) = @_; |
|
|
1021 | |
|
|
1022 | my $coro; $coro = async { |
|
|
1023 | eval { |
|
|
1024 | $cb->(); |
|
|
1025 | }; |
|
|
1026 | warn $@ if $@; |
|
|
1027 | }; |
|
|
1028 | |
|
|
1029 | $coro->on_destroy (sub { |
|
|
1030 | delete $self->{_coro}{$coro+0}; |
|
|
1031 | }); |
|
|
1032 | |
|
|
1033 | $self->{_coro}{$coro+0} = $coro; |
|
|
1034 | |
|
|
1035 | $coro |
|
|
1036 | } |
|
|
1037 | |
|
|
1038 | cf::client->attach ( |
|
|
1039 | on_destroy => sub { |
|
|
1040 | my ($ns) = @_; |
|
|
1041 | |
|
|
1042 | $_->cancel for values %{ (delete $ns->{_coro}) || {} }; |
903 | }, |
1043 | }, |
904 | ); |
1044 | ); |
905 | |
1045 | |
906 | =back |
1046 | =back |
907 | |
1047 | |
… | |
… | |
1141 | } |
1281 | } |
1142 | |
1282 | |
1143 | ############################################################################# |
1283 | ############################################################################# |
1144 | # initialisation |
1284 | # initialisation |
1145 | |
1285 | |
1146 | sub _perl_reload(&) { |
1286 | sub _perl_reload() { |
1147 | my ($msg) = @_; |
1287 | # can/must only be called in main |
|
|
1288 | if ($Coro::current != $Coro::main) { |
|
|
1289 | warn "can only reload from main coroutine\n"; |
|
|
1290 | return; |
|
|
1291 | } |
1148 | |
1292 | |
1149 | $msg->("reloading..."); |
1293 | warn "reloading..."; |
|
|
1294 | |
|
|
1295 | local $FREEZE = 1; |
|
|
1296 | cf::emergency_save; |
1150 | |
1297 | |
1151 | eval { |
1298 | eval { |
|
|
1299 | # if anything goes wrong in here, we should simply crash as we already saved |
|
|
1300 | |
1152 | # cancel all watchers |
1301 | # cancel all watchers |
1153 | for (Event::all_watchers) { |
1302 | for (Event::all_watchers) { |
1154 | $_->cancel if $_->data & WF_AUTOCANCEL; |
1303 | $_->cancel if $_->data & WF_AUTOCANCEL; |
1155 | } |
1304 | } |
1156 | |
1305 | |
|
|
1306 | # cancel all extension coros |
|
|
1307 | $_->cancel for values %EXT_CORO; |
|
|
1308 | %EXT_CORO = (); |
|
|
1309 | |
1157 | # unload all extensions |
1310 | # unload all extensions |
1158 | for (@exts) { |
1311 | for (@exts) { |
1159 | $msg->("unloading <$_>"); |
1312 | warn "unloading <$_>"; |
1160 | unload_extension $_; |
1313 | unload_extension $_; |
1161 | } |
1314 | } |
1162 | |
1315 | |
1163 | # unload all modules loaded from $LIBDIR |
1316 | # unload all modules loaded from $LIBDIR |
1164 | while (my ($k, $v) = each %INC) { |
1317 | while (my ($k, $v) = each %INC) { |
1165 | next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
1318 | next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
1166 | |
1319 | |
1167 | $msg->("removing <$k>"); |
1320 | warn "removing <$k>"; |
1168 | delete $INC{$k}; |
1321 | delete $INC{$k}; |
1169 | |
1322 | |
1170 | $k =~ s/\.pm$//; |
1323 | $k =~ s/\.pm$//; |
1171 | $k =~ s/\//::/g; |
1324 | $k =~ s/\//::/g; |
1172 | |
1325 | |
… | |
… | |
1177 | Symbol::delete_package $k; |
1330 | Symbol::delete_package $k; |
1178 | } |
1331 | } |
1179 | |
1332 | |
1180 | # sync database to disk |
1333 | # sync database to disk |
1181 | cf::db_sync; |
1334 | cf::db_sync; |
|
|
1335 | IO::AIO::flush; |
1182 | |
1336 | |
1183 | # get rid of safe::, as good as possible |
1337 | # get rid of safe::, as good as possible |
1184 | Symbol::delete_package "safe::$_" |
1338 | Symbol::delete_package "safe::$_" |
1185 | for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region); |
1339 | for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); |
1186 | |
1340 | |
1187 | # remove register_script_function callbacks |
1341 | # remove register_script_function callbacks |
1188 | # TODO |
1342 | # TODO |
1189 | |
1343 | |
1190 | # unload cf.pm "a bit" |
1344 | # unload cf.pm "a bit" |
… | |
… | |
1193 | # don't, removes xs symbols, too, |
1347 | # don't, removes xs symbols, too, |
1194 | # and global variables created in xs |
1348 | # and global variables created in xs |
1195 | #Symbol::delete_package __PACKAGE__; |
1349 | #Symbol::delete_package __PACKAGE__; |
1196 | |
1350 | |
1197 | # reload cf.pm |
1351 | # reload cf.pm |
1198 | $msg->("reloading cf.pm"); |
1352 | warn "reloading cf.pm"; |
1199 | require cf; |
1353 | require cf; |
|
|
1354 | cf::_connect_to_perl; # nominally unnecessary, but cannot hurt |
1200 | |
1355 | |
1201 | # load config and database again |
1356 | # load config and database again |
1202 | cf::cfg_load; |
1357 | cf::cfg_load; |
1203 | cf::db_load; |
1358 | cf::db_load; |
1204 | |
1359 | |
1205 | # load extensions |
1360 | # load extensions |
1206 | $msg->("load extensions"); |
1361 | warn "load extensions"; |
1207 | cf::load_extensions; |
1362 | cf::load_extensions; |
1208 | |
1363 | |
1209 | # reattach attachments to objects |
1364 | # reattach attachments to objects |
1210 | $msg->("reattach"); |
1365 | warn "reattach"; |
1211 | _global_reattach; |
1366 | _global_reattach; |
1212 | }; |
1367 | }; |
1213 | $msg->($@) if $@; |
|
|
1214 | |
1368 | |
1215 | $msg->("reloaded"); |
1369 | if ($@) { |
|
|
1370 | warn $@; |
|
|
1371 | warn "error while reloading, exiting."; |
|
|
1372 | exit 1; |
|
|
1373 | } |
|
|
1374 | |
|
|
1375 | warn "reloaded successfully"; |
1216 | }; |
1376 | }; |
1217 | |
1377 | |
1218 | sub perl_reload() { |
1378 | sub perl_reload() { |
1219 | _perl_reload { |
1379 | _perl_reload; |
1220 | warn $_[0]; |
|
|
1221 | print "$_[0]\n"; |
|
|
1222 | }; |
|
|
1223 | } |
1380 | } |
1224 | |
1381 | |
1225 | register "<global>", __PACKAGE__; |
1382 | register "<global>", __PACKAGE__; |
1226 | |
1383 | |
1227 | register_command "perl-reload" => sub { |
1384 | register_command "perl-reload" => sub { |
1228 | my ($who, $arg) = @_; |
1385 | my ($who, $arg) = @_; |
1229 | |
1386 | |
1230 | if ($who->flag (FLAG_WIZ)) { |
1387 | if ($who->flag (FLAG_WIZ)) { |
|
|
1388 | $who->message ("reloading..."); |
1231 | _perl_reload { |
1389 | _perl_reload; |
1232 | warn $_[0]; |
|
|
1233 | $who->message ($_[0]); |
|
|
1234 | }; |
|
|
1235 | } |
1390 | } |
1236 | }; |
1391 | }; |
1237 | |
1392 | |
1238 | unshift @INC, $LIBDIR; |
1393 | unshift @INC, $LIBDIR; |
1239 | |
1394 | |
1240 | $TICK_WATCHER = Event->timer ( |
1395 | $TICK_WATCHER = Event->timer ( |
|
|
1396 | reentrant => 0, |
1241 | prio => 0, |
1397 | prio => 0, |
1242 | at => $NEXT_TICK || 1, |
1398 | at => $NEXT_TICK || $TICK, |
1243 | data => WF_AUTOCANCEL, |
1399 | data => WF_AUTOCANCEL, |
1244 | cb => sub { |
1400 | cb => sub { |
|
|
1401 | unless ($FREEZE) { |
1245 | cf::server_tick; # one server iteration |
1402 | cf::server_tick; # one server iteration |
|
|
1403 | $RUNTIME += $TICK; |
|
|
1404 | } |
1246 | |
1405 | |
1247 | my $NOW = Event::time; |
|
|
1248 | $NEXT_TICK += $TICK; |
1406 | $NEXT_TICK += $TICK; |
1249 | |
1407 | |
1250 | # if we are delayed by four ticks or more, skip them all |
1408 | # if we are delayed by four ticks or more, skip them all |
1251 | $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4; |
1409 | $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; |
1252 | |
1410 | |
1253 | $TICK_WATCHER->at ($NEXT_TICK); |
1411 | $TICK_WATCHER->at ($NEXT_TICK); |
1254 | $TICK_WATCHER->start; |
1412 | $TICK_WATCHER->start; |
1255 | }, |
1413 | }, |
1256 | ); |
1414 | ); |
… | |
… | |
1261 | poll => 'r', |
1419 | poll => 'r', |
1262 | prio => 5, |
1420 | prio => 5, |
1263 | data => WF_AUTOCANCEL, |
1421 | data => WF_AUTOCANCEL, |
1264 | cb => \&IO::AIO::poll_cb); |
1422 | cb => \&IO::AIO::poll_cb); |
1265 | |
1423 | |
|
|
1424 | # we must not ever block the main coroutine |
|
|
1425 | $Coro::idle = sub { |
|
|
1426 | #Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d# |
|
|
1427 | warn "FATAL: Coro::idle was called, major BUG\n"; |
|
|
1428 | (Coro::unblock_sub { |
|
|
1429 | Event::one_event; |
|
|
1430 | })->(); |
|
|
1431 | }; |
|
|
1432 | |
1266 | 1 |
1433 | 1 |
1267 | |
1434 | |