… | |
… | |
10 | |
10 | |
11 | This is an internal utility module, horrible to look at, so don't. |
11 | This is an internal utility module, horrible to look at, so don't. |
12 | |
12 | |
13 | =cut |
13 | =cut |
14 | |
14 | |
15 | package AnyEvent::MP::Node; |
15 | package AnyEvent::MP::Node; # base class for nodes |
16 | |
16 | |
17 | use common::sense; |
17 | use common::sense; |
18 | |
18 | |
19 | use AE (); |
|
|
20 | use AnyEvent::Util (); |
19 | use AnyEvent (); |
21 | use AnyEvent::Socket (); |
20 | use AnyEvent::Socket (); |
22 | |
21 | |
23 | use AnyEvent::MP::Transport (); |
22 | use AnyEvent::MP::Transport (); |
24 | |
23 | |
25 | sub new { |
24 | sub new { |
26 | my ($self, $id) = @_; |
25 | my ($self, $id) = @_; |
27 | |
26 | |
28 | $self = bless { id => $id }, $self; |
27 | $self = bless { id => $id }, $self; |
29 | |
28 | |
|
|
29 | # register |
|
|
30 | $AnyEvent::MP::Kernel::NODE{$id} = $self; |
|
|
31 | |
30 | $self->init; |
32 | $self->init; |
31 | $self->transport_reset; |
33 | $self->transport_reset; |
32 | |
34 | |
33 | $self |
35 | $self |
34 | } |
36 | } |
35 | |
37 | |
|
|
38 | sub DESTROY { |
|
|
39 | # unregister |
|
|
40 | delete $AnyEvent::MP::Kernel::NODE{$_[0]{id}}; |
|
|
41 | } |
|
|
42 | |
36 | sub init { |
43 | sub init { |
37 | # |
44 | # |
38 | } |
45 | } |
39 | |
46 | |
40 | sub send { |
47 | sub send { |
41 | &{ shift->{send} } |
48 | &{ shift->{send} } |
42 | } |
49 | } |
43 | |
50 | |
44 | # nodes reachable via the network |
51 | # nodes reachable via the network |
45 | package AnyEvent::MP::Node::Remote; |
52 | package AnyEvent::MP::Node::Remote; # a remote node |
46 | |
53 | |
47 | use base "AnyEvent::MP::Node"; |
54 | use base "AnyEvent::MP::Node"; |
48 | |
55 | |
49 | # called at init time, mostly sets {send} |
56 | # called at init time, mostly sets {send} |
50 | sub transport_reset { |
57 | sub transport_reset { |
… | |
… | |
78 | } |
85 | } |
79 | |
86 | |
80 | AnyEvent::MP::Kernel::_inject_nodeevent ($self, 0, @reason) |
87 | AnyEvent::MP::Kernel::_inject_nodeevent ($self, 0, @reason) |
81 | unless $no_transport; |
88 | unless $no_transport; |
82 | |
89 | |
83 | # if we are here and are idle, we nuke ourselves |
90 | # we weaken the node reference, so it can go away if unused |
84 | delete $AnyEvent::MP::Kernel::NODE{$self->{id}} |
91 | Scalar::Util::weaken $AnyEvent::MP::Kernel::NODE{$self->{id}} |
85 | unless $self->{transport} || $self->{connect_to}; |
92 | unless $self->{connect_to}; |
|
|
93 | |
|
|
94 | AE::log 9 => "@reason"; |
86 | } |
95 | } |
87 | |
96 | |
88 | # called after handshake was successful |
97 | # called after handshake was successful |
89 | sub transport_connect { |
98 | sub transport_connect { |
90 | my ($self, $transport) = @_; |
99 | my ($self, $transport) = @_; |
… | |
… | |
113 | my ($self) = @_; |
122 | my ($self) = @_; |
114 | |
123 | |
115 | return if $self->{transport}; |
124 | return if $self->{transport}; |
116 | return if $self->{connect_w}; |
125 | return if $self->{connect_w}; |
117 | |
126 | |
|
|
127 | # we unweaken the node reference, in case it was weakened before |
|
|
128 | $AnyEvent::MP::Kernel::NODE{$self->{id}} |
|
|
129 | = $AnyEvent::MP::Kernel::NODE{$self->{id}}; |
|
|
130 | |
118 | Scalar::Util::weaken $self; |
131 | Scalar::Util::weaken $self; |
119 | |
132 | |
120 | $self->{connect_to} ||= AE::timer $AnyEvent::MP::Kernel::CONFIG->{connect_interval}, 0, sub { |
133 | $self->{connect_to} ||= AE::timer $AnyEvent::MP::Kernel::CONFIG->{connect_interval}, 0, sub { |
121 | $self->transport_error (transport_error => $self->{id}, "unable to connect"); |
134 | $self->transport_error (transport_error => $self->{id}, "connect timeout"); |
122 | }; |
135 | }; |
123 | |
136 | |
124 | # maybe @$addresses? |
137 | # maybe @$addresses? |
125 | my $addresses = $AnyEvent::MP::Kernel::GLOBAL_DB{"'l"}{$self->{id}}; |
138 | my $addresses = $AnyEvent::MP::Kernel::GLOBAL_DB{"'l"}{$self->{id}}; |
126 | |
139 | |
127 | if ($addresses) { |
140 | if ($addresses) { |
128 | $self->connect_to ($addresses); |
141 | $self->connect_to ($addresses); |
129 | } else { |
142 | } else { |
130 | # on global nodes, all bets are off now - we either know the node, or we don't |
143 | # on global nodes, all bets are off now - we either know the node, or we don't |
131 | unless ($AnyEvent::MP::Kernel::GLOBAL) { |
144 | if ($AnyEvent::MP::Kernel::GLOBAL) { |
|
|
145 | $self->transport_error (transport_error => $self->{id}, "no known address"); |
|
|
146 | } else { |
132 | AnyEvent::MP::Kernel::g_find ($self->{id}); |
147 | AnyEvent::MP::Kernel::g_find ($self->{id}); |
133 | } |
148 | } |
134 | } |
149 | } |
135 | } |
150 | } |
136 | |
151 | |
… | |
… | |
138 | my ($self, $addresses) = @_; |
153 | my ($self, $addresses) = @_; |
139 | |
154 | |
140 | return if $self->{transport}; |
155 | return if $self->{transport}; |
141 | return if $self->{connect_w}; |
156 | return if $self->{connect_w}; |
142 | |
157 | |
143 | return unless @$addresses; |
158 | unless (@$addresses) { |
|
|
159 | $self->transport_error (transport_error => $self->{id}, "no known address"); |
|
|
160 | return; |
|
|
161 | } |
144 | |
162 | |
145 | $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} with [@$addresses]"); |
163 | AE::log 9 => "connecting to $self->{id} with [@$addresses]"; |
146 | |
164 | |
147 | my $monitor = $AnyEvent::MP::Kernel::CONFIG->{monitor_timeout}; |
165 | my $monitor = $AnyEvent::MP::Kernel::CONFIG->{monitor_timeout}; |
148 | my $interval = $AnyEvent::MP::Kernel::CONFIG->{connect_interval}; |
166 | my $interval = $AnyEvent::MP::Kernel::CONFIG->{connect_interval}; |
149 | |
167 | |
150 | $interval = ($monitor - $interval) / @$addresses |
168 | $interval = ($monitor - $interval) / @$addresses |
… | |
… | |
153 | $interval = 0.4 if $interval < 0.4; |
171 | $interval = 0.4 if $interval < 0.4; |
154 | |
172 | |
155 | my @endpoints = reverse @$addresses; |
173 | my @endpoints = reverse @$addresses; |
156 | |
174 | |
157 | $self->{connect_w} = AE::timer 0, $interval * (0.9 + 0.1 * rand), sub { |
175 | $self->{connect_w} = AE::timer 0, $interval * (0.9 + 0.1 * rand), sub { |
158 | my $endpoint = pop @endpoints; |
176 | my $endpoint = pop @endpoints |
|
|
177 | or return; |
159 | |
178 | |
160 | $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} at $endpoint"); |
179 | AE::log 9 => "connecting to $self->{id} at $endpoint"; |
161 | |
180 | |
162 | $self->{trial}{$endpoint} ||= do { |
181 | $self->{trial}{$endpoint} ||= do { |
163 | my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
182 | my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
164 | or return $AnyEvent::MP::Kernel::WARN->(1, "$self->{id}: not a resolved node reference."); |
183 | or return AE::log critical => "$self->{id}: '$endpoint' is not a resolved node reference."; |
165 | |
184 | |
166 | AnyEvent::MP::Transport::mp_connect |
185 | AnyEvent::MP::Transport::mp_connect |
167 | $host, $port, |
186 | $host, $port, |
168 | sub { delete $self->{trial}{$endpoint} }, |
187 | sub { delete $self->{trial}{$endpoint} }, |
169 | }; |
188 | }; |
170 | }; |
189 | }; |
171 | } |
190 | } |
172 | |
191 | |
173 | sub connect { |
|
|
174 | my ($self) = @_; |
|
|
175 | |
|
|
176 | return if $self->{transport}; |
|
|
177 | return if $self->{connect_w}; |
|
|
178 | |
|
|
179 | Scalar::Util::weaken $self; |
|
|
180 | |
|
|
181 | my $monitor = $AnyEvent::MP::Kernel::CONFIG->{monitor_timeout}; |
|
|
182 | |
|
|
183 | $self->{connect_to} ||= AE::timer $monitor, 0, sub { |
|
|
184 | $self->transport_error (transport_error => $self->{id}, "unable to connect"); |
|
|
185 | }; |
|
|
186 | |
|
|
187 | # maybe @$addresses? |
|
|
188 | my @addresses = @{ $AnyEvent::MP::Kernel::GLOBAL_DB{"'l"}{$self->{id}} }; |
|
|
189 | |
|
|
190 | unless (@addresses) { |
|
|
191 | # on global nodes, all bets are off now - we either know the node, or we don't |
|
|
192 | unless ($AnyEvent::MP::Kernel::GLOBAL) { |
|
|
193 | AnyEvent::MP::Kernel::g_find ($self->{id}); |
|
|
194 | } |
|
|
195 | return; |
|
|
196 | } |
|
|
197 | |
|
|
198 | $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} with [@addresses]"); |
|
|
199 | |
|
|
200 | my $interval = $AnyEvent::MP::Kernel::CONFIG->{connect_interval}; |
|
|
201 | |
|
|
202 | $interval = ($monitor - $interval) / @addresses |
|
|
203 | if ($monitor - $interval) / @addresses < $interval; |
|
|
204 | |
|
|
205 | $interval = 0.4 if $interval < 0.4; |
|
|
206 | |
|
|
207 | my @endpoints; |
|
|
208 | |
|
|
209 | $self->{connect_w} = AE::timer 0, $interval * (0.9 + 0.1 * rand), sub { |
|
|
210 | @endpoints = @addresses |
|
|
211 | unless @endpoints; |
|
|
212 | |
|
|
213 | my $endpoint = shift @endpoints; |
|
|
214 | |
|
|
215 | $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} at $endpoint"); |
|
|
216 | |
|
|
217 | $self->{trial}{$endpoint} ||= do { |
|
|
218 | my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
|
|
219 | or return $AnyEvent::MP::Kernel::WARN->(1, "$self->{id}: not a resolved node reference."); |
|
|
220 | |
|
|
221 | AnyEvent::MP::Transport::mp_connect |
|
|
222 | $host, $port, |
|
|
223 | sub { delete $self->{trial}{$endpoint} }, |
|
|
224 | }; |
|
|
225 | }; |
|
|
226 | } |
|
|
227 | |
|
|
228 | sub kill { |
192 | sub kill { |
229 | my ($self, $port, @reason) = @_; |
193 | my ($self, $port, @reason) = @_; |
230 | |
194 | |
231 | $self->{send} (["", kil => $port, @reason]); |
195 | $self->{send} (["", kil1 => $port, @reason]); |
232 | } |
196 | } |
233 | |
197 | |
234 | sub monitor { |
198 | sub monitor { |
235 | my ($self, $portid, $cb) = @_; |
199 | my ($self, $portid, $cb) = @_; |
236 | |
200 | |
… | |
… | |
254 | $self->send (["", mon0 => $portid]); |
218 | $self->send (["", mon0 => $portid]); |
255 | delete $self->{monitor}{$portid}; |
219 | delete $self->{monitor}{$portid}; |
256 | } |
220 | } |
257 | } |
221 | } |
258 | |
222 | |
259 | package AnyEvent::MP::Node::Self; |
223 | package AnyEvent::MP::Node::Self; # the local node |
260 | |
224 | |
261 | use base "AnyEvent::MP::Node"; |
225 | use base "AnyEvent::MP::Node"; |
262 | |
226 | |
263 | sub connect { |
227 | sub connect { |
264 | # we are trivially connected |
228 | # we are trivially connected |
… | |
… | |
267 | # delay every so often to avoid recursion, also used to delay after spawn |
231 | # delay every so often to avoid recursion, also used to delay after spawn |
268 | our $DELAY = -50; |
232 | our $DELAY = -50; |
269 | our @DELAY; |
233 | our @DELAY; |
270 | our $DELAY_W; |
234 | our $DELAY_W; |
271 | |
235 | |
272 | sub _send_delayed { |
236 | our $send_delayed = sub { |
273 | local $AnyEvent::MP::Kernel::SRCNODE = $AnyEvent::MP::Kernel::NODE{""}; |
237 | $AnyEvent::MP::Kernel::SRCNODE = $AnyEvent::MP::Kernel::NODE; |
274 | (shift @DELAY)->() |
238 | (shift @DELAY)->() |
275 | while @DELAY; |
239 | while @DELAY; |
276 | undef $DELAY_W; |
240 | undef $DELAY_W; |
277 | $DELAY = -50; |
241 | $DELAY = -50; |
278 | } |
242 | }; |
279 | |
243 | |
280 | sub transport_reset { |
244 | sub transport_reset { |
281 | my ($self) = @_; |
245 | my ($self) = @_; |
282 | |
246 | |
283 | Scalar::Util::weaken $self; |
247 | Scalar::Util::weaken $self; |
284 | |
248 | |
285 | $self->{send} = sub { |
249 | $self->{send} = sub { |
286 | if ($DELAY++ >= 0) { |
250 | if (++$DELAY > 0) { |
287 | my $msg = $_[0]; |
251 | my $msg = $_[0]; |
288 | push @DELAY, sub { AnyEvent::MP::Kernel::_inject (@$msg) }; |
252 | push @DELAY, sub { AnyEvent::MP::Kernel::_inject (@$msg) }; |
289 | $DELAY_W ||= AE::timer 0, 0, \&_send_delayed; |
253 | $DELAY_W ||= AE::timer 0, 0, $send_delayed; |
290 | return; |
254 | return; |
291 | } |
255 | } |
292 | |
256 | |
293 | local $AnyEvent::MP::Kernel::SRCNODE = $self; |
257 | local $AnyEvent::MP::Kernel::SRCNODE = $AnyEvent::MP::Kernel::NODE; |
294 | AnyEvent::MP::Kernel::_inject (@{ $_[0] }); |
258 | AnyEvent::MP::Kernel::_inject (@{ $_[0] }); |
295 | }; |
259 | }; |
296 | } |
260 | } |
297 | |
261 | |
298 | sub transport_connect { |
262 | sub transport_connect { |
299 | my ($self, $tp) = @_; |
263 | my ($self, $tp) = @_; |
300 | |
264 | |
301 | $AnyEvent::MP::Kernel::WARN->(9, "I refuse to talk to myself ($tp->{peerhost}:$tp->{peerport})"); |
265 | AE::log 9 => "I refuse to talk to myself ($tp->{peerhost}:$tp->{peerport})"; |
302 | } |
266 | } |
303 | |
267 | |
304 | sub kill { |
268 | sub kill { |
305 | my (undef, @args) = @_; |
269 | my (undef, @args) = @_; |
306 | |
270 | |
307 | # we _always_ delay kil's, to avoid calling mon callbacks |
271 | # we _always_ delay kil's, to avoid calling mon callbacks |
308 | # from anything but the event loop context. |
272 | # from anything but the event loop context. |
309 | $DELAY = 1; |
273 | $DELAY = 1; |
310 | push @DELAY, sub { AnyEvent::MP::Kernel::_kill (@args) }; |
274 | push @DELAY, sub { AnyEvent::MP::Kernel::_kill (@args) }; |
311 | $DELAY_W ||= AE::timer 0, 0, \&_send_delayed; |
275 | $DELAY_W ||= AE::timer 0, 0, $send_delayed; |
312 | } |
276 | } |
313 | |
277 | |
314 | sub monitor { |
278 | sub monitor { |
315 | # maybe always delay, too? |
279 | # maybe always delay, too? |
316 | if ($DELAY_W) { |
280 | if ($DELAY_W) { |