… | |
… | |
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 { |
… | |
… | |
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 { |
… | |
… | |
92 | delete $self->{trial}; |
91 | delete $self->{trial}; |
93 | |
92 | |
94 | $self->transport_error (transport_error => $self->{id}, "switched connections") |
93 | $self->transport_error (transport_error => $self->{id}, "switched connections") |
95 | if $self->{transport}; |
94 | if $self->{transport}; |
96 | |
95 | |
97 | delete $self->{connect_addr}; |
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98 | delete $self->{connect_w}; |
96 | delete $self->{connect_w}; |
99 | delete $self->{connect_to}; |
97 | delete $self->{connect_to}; |
100 | |
98 | |
101 | $self->{transport} = $transport; |
99 | $self->{transport} = $transport; |
102 | |
100 | |
… | |
… | |
115 | |
113 | |
116 | return if $self->{transport}; |
114 | return if $self->{transport}; |
117 | return if $self->{connect_w}; |
115 | return if $self->{connect_w}; |
118 | |
116 | |
119 | Scalar::Util::weaken $self; |
117 | Scalar::Util::weaken $self; |
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118 | use Carp;Carp::cluck;#d# |
120 | |
119 | |
121 | my $monitor = $AnyEvent::MP::Kernel::CONFIG->{monitor_timeout}; |
120 | $self->{connect_to} ||= AE::timer $AnyEvent::MP::Kernel::CONFIG->{connect_interval}, 0, sub { |
122 | |
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123 | $self->{connect_to} ||= AE::timer $monitor, 0, sub { |
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124 | $self->transport_error (transport_error => $self->{id}, "unable to connect"); |
121 | $self->transport_error (transport_error => $self->{id}, "unable to connect"); |
125 | }; |
122 | }; |
126 | |
123 | |
127 | # maybe @$addresses? |
124 | # maybe @$addresses? |
128 | my @addresses = @{ $AnyEvent::MP::Kernel::GLOBAL_DB{"'l"}{$self->{id}} }; |
125 | my $addresses = $AnyEvent::MP::Kernel::GLOBAL_DB{"'l"}{$self->{id}}; |
129 | |
126 | |
130 | unless (@addresses) { |
127 | if ($addresses) { |
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128 | $self->connect_to ($addresses); |
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129 | } else { |
131 | # on global nodes, all bets are off now - we either know the node, or we don't |
130 | # on global nodes, all bets are off now - we either know the node, or we don't |
132 | unless ($AnyEvent::MP::Kernel::GLOBAL) { |
131 | unless ($AnyEvent::MP::Kernel::GLOBAL) { |
133 | AnyEvent::MP::Kernel::g_find ($self->{id}); |
132 | AnyEvent::MP::Kernel::g_find ($self->{id}); |
134 | } |
133 | } |
135 | return; |
134 | } |
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135 | } |
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136 | |
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137 | sub connect_to { |
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138 | my ($self, $addresses) = @_; |
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139 | |
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140 | return if $self->{transport}; |
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141 | return if $self->{connect_w}; |
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142 | |
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143 | return unless @$addresses; |
136 | } |
144 | |
137 | |
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138 | $self->{connect_addr} = \@addresses; # a bit weird, but efficient |
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139 | |
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140 | $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} with [@addresses]"); |
145 | AE::log 9 => "connecting to $self->{id} with [@$addresses]"; |
141 | |
146 | |
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147 | my $monitor = $AnyEvent::MP::Kernel::CONFIG->{monitor_timeout}; |
142 | my $interval = $AnyEvent::MP::Kernel::CONFIG->{connect_interval}; |
148 | my $interval = $AnyEvent::MP::Kernel::CONFIG->{connect_interval}; |
143 | |
149 | |
144 | $interval = ($monitor - $interval) / @addresses |
150 | $interval = ($monitor - $interval) / @$addresses |
145 | if ($monitor - $interval) / @addresses < $interval; |
151 | if ($monitor - $interval) / @$addresses < $interval; |
146 | |
152 | |
147 | $interval = 0.4 if $interval < 0.4; |
153 | $interval = 0.4 if $interval < 0.4; |
148 | |
154 | |
149 | my @endpoints; |
155 | my @endpoints = reverse @$addresses; |
150 | |
156 | |
151 | $self->{connect_w} = AE::timer 0, $interval * (0.9 + 0.1 * rand), sub { |
157 | $self->{connect_w} = AE::timer 0, $interval * (0.9 + 0.1 * rand), sub { |
152 | @endpoints = @addresses |
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153 | unless @endpoints; |
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154 | |
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155 | my $endpoint = shift @endpoints; |
158 | my $endpoint = pop @endpoints; |
156 | |
159 | |
157 | $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} at $endpoint"); |
160 | AE::log 9 => "connecting to $self->{id} at $endpoint"; |
158 | |
161 | |
159 | $self->{trial}{$endpoint} ||= do { |
162 | $self->{trial}{$endpoint} ||= do { |
160 | my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
163 | my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
161 | or return $AnyEvent::MP::Kernel::WARN->(1, "$self->{id}: not a resolved node reference."); |
164 | or return AE::log critical => "$self->{id}: '$endpoint' is not a resolved node reference."; |
162 | |
165 | |
163 | AnyEvent::MP::Transport::mp_connect |
166 | AnyEvent::MP::Transport::mp_connect |
164 | $host, $port, |
167 | $host, $port, |
165 | sub { delete $self->{trial}{$endpoint} }, |
168 | sub { delete $self->{trial}{$endpoint} }, |
166 | }; |
169 | }; |
… | |
… | |
196 | $self->send (["", mon0 => $portid]); |
199 | $self->send (["", mon0 => $portid]); |
197 | delete $self->{monitor}{$portid}; |
200 | delete $self->{monitor}{$portid}; |
198 | } |
201 | } |
199 | } |
202 | } |
200 | |
203 | |
201 | package AnyEvent::MP::Node::Self; |
204 | package AnyEvent::MP::Node::Self; # the local node |
202 | |
205 | |
203 | use base "AnyEvent::MP::Node"; |
206 | use base "AnyEvent::MP::Node"; |
204 | |
207 | |
205 | sub connect { |
208 | sub connect { |
206 | # we are trivially connected |
209 | # we are trivially connected |
… | |
… | |
209 | # delay every so often to avoid recursion, also used to delay after spawn |
212 | # delay every so often to avoid recursion, also used to delay after spawn |
210 | our $DELAY = -50; |
213 | our $DELAY = -50; |
211 | our @DELAY; |
214 | our @DELAY; |
212 | our $DELAY_W; |
215 | our $DELAY_W; |
213 | |
216 | |
214 | sub _send_delayed { |
217 | our $send_delayed = sub { |
215 | local $AnyEvent::MP::Kernel::SRCNODE = $AnyEvent::MP::Kernel::NODE{""}; |
218 | $AnyEvent::MP::Kernel::SRCNODE = $AnyEvent::MP::Kernel::NODE; |
216 | (shift @DELAY)->() |
219 | (shift @DELAY)->() |
217 | while @DELAY; |
220 | while @DELAY; |
218 | undef $DELAY_W; |
221 | undef $DELAY_W; |
219 | $DELAY = -50; |
222 | $DELAY = -50; |
220 | } |
223 | }; |
221 | |
224 | |
222 | sub transport_reset { |
225 | sub transport_reset { |
223 | my ($self) = @_; |
226 | my ($self) = @_; |
224 | |
227 | |
225 | Scalar::Util::weaken $self; |
228 | Scalar::Util::weaken $self; |
226 | |
229 | |
227 | $self->{send} = sub { |
230 | $self->{send} = sub { |
228 | if ($DELAY++ >= 0) { |
231 | if (++$DELAY > 0) { |
229 | my $msg = $_[0]; |
232 | my $msg = $_[0]; |
230 | push @DELAY, sub { AnyEvent::MP::Kernel::_inject (@$msg) }; |
233 | push @DELAY, sub { AnyEvent::MP::Kernel::_inject (@$msg) }; |
231 | $DELAY_W ||= AE::timer 0, 0, \&_send_delayed; |
234 | $DELAY_W ||= AE::timer 0, 0, $send_delayed; |
232 | return; |
235 | return; |
233 | } |
236 | } |
234 | |
237 | |
235 | local $AnyEvent::MP::Kernel::SRCNODE = $self; |
238 | local $AnyEvent::MP::Kernel::SRCNODE = $AnyEvent::MP::Kernel::NODE; |
236 | AnyEvent::MP::Kernel::_inject (@{ $_[0] }); |
239 | AnyEvent::MP::Kernel::_inject (@{ $_[0] }); |
237 | }; |
240 | }; |
238 | } |
241 | } |
239 | |
242 | |
240 | sub transport_connect { |
243 | sub transport_connect { |
241 | my ($self, $tp) = @_; |
244 | my ($self, $tp) = @_; |
242 | |
245 | |
243 | $AnyEvent::MP::Kernel::WARN->(9, "I refuse to talk to myself ($tp->{peerhost}:$tp->{peerport})"); |
246 | AE::log 9 => "I refuse to talk to myself ($tp->{peerhost}:$tp->{peerport})"; |
244 | } |
247 | } |
245 | |
248 | |
246 | sub kill { |
249 | sub kill { |
247 | my (undef, @args) = @_; |
250 | my (undef, @args) = @_; |
248 | |
251 | |
249 | # we _always_ delay kil's, to avoid calling mon callbacks |
252 | # we _always_ delay kil's, to avoid calling mon callbacks |
250 | # from anything but the event loop context. |
253 | # from anything but the event loop context. |
251 | $DELAY = 1; |
254 | $DELAY = 1; |
252 | push @DELAY, sub { AnyEvent::MP::Kernel::_kill (@args) }; |
255 | push @DELAY, sub { AnyEvent::MP::Kernel::_kill (@args) }; |
253 | $DELAY_W ||= AE::timer 0, 0, \&_send_delayed; |
256 | $DELAY_W ||= AE::timer 0, 0, $send_delayed; |
254 | } |
257 | } |
255 | |
258 | |
256 | sub monitor { |
259 | sub monitor { |
257 | # maybe always delay, too? |
260 | # maybe always delay, too? |
258 | if ($DELAY_W) { |
261 | if ($DELAY_W) { |