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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 (); |
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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 { |
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40 | sub send { |
39 | sub send { |
41 | &{ shift->{send} } |
40 | &{ shift->{send} } |
42 | } |
41 | } |
43 | |
42 | |
44 | # nodes reachable via the network |
43 | # nodes reachable via the network |
45 | package AnyEvent::MP::Node::Remote; |
44 | package AnyEvent::MP::Node::Remote; # a remote node |
46 | |
45 | |
47 | use base "AnyEvent::MP::Node"; |
46 | use base "AnyEvent::MP::Node"; |
48 | |
47 | |
49 | # called at init time, mostly sets {send} |
48 | # called at init time, mostly sets {send} |
50 | sub transport_reset { |
49 | sub transport_reset { |
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140 | return if $self->{transport}; |
139 | return if $self->{transport}; |
141 | return if $self->{connect_w}; |
140 | return if $self->{connect_w}; |
142 | |
141 | |
143 | return unless @$addresses; |
142 | return unless @$addresses; |
144 | |
143 | |
145 | $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} with [@$addresses]"); |
144 | AE::log 9 => "connecting to $self->{id} with [@$addresses]"; |
146 | |
145 | |
147 | my $monitor = $AnyEvent::MP::Kernel::CONFIG->{monitor_timeout}; |
146 | my $monitor = $AnyEvent::MP::Kernel::CONFIG->{monitor_timeout}; |
148 | my $interval = $AnyEvent::MP::Kernel::CONFIG->{connect_interval}; |
147 | my $interval = $AnyEvent::MP::Kernel::CONFIG->{connect_interval}; |
149 | |
148 | |
150 | $interval = ($monitor - $interval) / @$addresses |
149 | $interval = ($monitor - $interval) / @$addresses |
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155 | my @endpoints = reverse @$addresses; |
154 | my @endpoints = reverse @$addresses; |
156 | |
155 | |
157 | $self->{connect_w} = AE::timer 0, $interval * (0.9 + 0.1 * rand), sub { |
156 | $self->{connect_w} = AE::timer 0, $interval * (0.9 + 0.1 * rand), sub { |
158 | my $endpoint = pop @endpoints; |
157 | my $endpoint = pop @endpoints; |
159 | |
158 | |
160 | $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} at $endpoint"); |
159 | AE::log 9 => "connecting to $self->{id} at $endpoint"; |
161 | |
160 | |
162 | $self->{trial}{$endpoint} ||= do { |
161 | $self->{trial}{$endpoint} ||= do { |
163 | my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
162 | my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
164 | or return $AnyEvent::MP::Kernel::WARN->(1, "$self->{id}: not a resolved node reference."); |
163 | or return AE::log critical => "$self->{id}: '$endpoint' is not a resolved node reference."; |
165 | |
164 | |
166 | AnyEvent::MP::Transport::mp_connect |
165 | AnyEvent::MP::Transport::mp_connect |
167 | $host, $port, |
166 | $host, $port, |
168 | sub { delete $self->{trial}{$endpoint} }, |
167 | sub { delete $self->{trial}{$endpoint} }, |
169 | }; |
168 | }; |
170 | }; |
169 | }; |
171 | } |
170 | } |
172 | |
171 | |
173 | sub connect { |
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174 | my ($self) = @_; |
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175 | |
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176 | return if $self->{transport}; |
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177 | return if $self->{connect_w}; |
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178 | |
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179 | Scalar::Util::weaken $self; |
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180 | |
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181 | my $monitor = $AnyEvent::MP::Kernel::CONFIG->{monitor_timeout}; |
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182 | |
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183 | $self->{connect_to} ||= AE::timer $monitor, 0, sub { |
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184 | $self->transport_error (transport_error => $self->{id}, "unable to connect"); |
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185 | }; |
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186 | |
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187 | # maybe @$addresses? |
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188 | my @addresses = @{ $AnyEvent::MP::Kernel::GLOBAL_DB{"'l"}{$self->{id}} }; |
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189 | |
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190 | unless (@addresses) { |
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191 | # on global nodes, all bets are off now - we either know the node, or we don't |
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192 | unless ($AnyEvent::MP::Kernel::GLOBAL) { |
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193 | AnyEvent::MP::Kernel::g_find ($self->{id}); |
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194 | } |
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195 | return; |
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196 | } |
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197 | |
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198 | $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} with [@addresses]"); |
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199 | |
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200 | my $interval = $AnyEvent::MP::Kernel::CONFIG->{connect_interval}; |
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201 | |
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202 | $interval = ($monitor - $interval) / @addresses |
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203 | if ($monitor - $interval) / @addresses < $interval; |
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204 | |
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205 | $interval = 0.4 if $interval < 0.4; |
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206 | |
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207 | my @endpoints; |
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208 | |
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209 | $self->{connect_w} = AE::timer 0, $interval * (0.9 + 0.1 * rand), sub { |
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210 | @endpoints = @addresses |
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211 | unless @endpoints; |
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212 | |
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213 | my $endpoint = shift @endpoints; |
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214 | |
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215 | $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} at $endpoint"); |
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216 | |
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217 | $self->{trial}{$endpoint} ||= do { |
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218 | my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
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219 | or return $AnyEvent::MP::Kernel::WARN->(1, "$self->{id}: not a resolved node reference."); |
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220 | |
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221 | AnyEvent::MP::Transport::mp_connect |
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222 | $host, $port, |
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223 | sub { delete $self->{trial}{$endpoint} }, |
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224 | }; |
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225 | }; |
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226 | } |
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227 | |
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228 | sub kill { |
172 | sub kill { |
229 | my ($self, $port, @reason) = @_; |
173 | my ($self, $port, @reason) = @_; |
230 | |
174 | |
231 | $self->{send} (["", kil => $port, @reason]); |
175 | $self->{send} (["", kil => $port, @reason]); |
232 | } |
176 | } |
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254 | $self->send (["", mon0 => $portid]); |
198 | $self->send (["", mon0 => $portid]); |
255 | delete $self->{monitor}{$portid}; |
199 | delete $self->{monitor}{$portid}; |
256 | } |
200 | } |
257 | } |
201 | } |
258 | |
202 | |
259 | package AnyEvent::MP::Node::Self; |
203 | package AnyEvent::MP::Node::Self; # the local node |
260 | |
204 | |
261 | use base "AnyEvent::MP::Node"; |
205 | use base "AnyEvent::MP::Node"; |
262 | |
206 | |
263 | sub connect { |
207 | sub connect { |
264 | # we are trivially connected |
208 | # we are trivially connected |
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… | |
296 | } |
240 | } |
297 | |
241 | |
298 | sub transport_connect { |
242 | sub transport_connect { |
299 | my ($self, $tp) = @_; |
243 | my ($self, $tp) = @_; |
300 | |
244 | |
301 | $AnyEvent::MP::Kernel::WARN->(9, "I refuse to talk to myself ($tp->{peerhost}:$tp->{peerport})"); |
245 | AE::log 9 => "I refuse to talk to myself ($tp->{peerhost}:$tp->{peerport})"; |
302 | } |
246 | } |
303 | |
247 | |
304 | sub kill { |
248 | sub kill { |
305 | my (undef, @args) = @_; |
249 | my (undef, @args) = @_; |
306 | |
250 | |