… | |
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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 { |
26 | my ($self, $id) = @_; |
25 | my ($self, $id) = @_; |
27 | |
26 | |
28 | $self = bless { id => $id }, $self; |
27 | $self = bless { id => $id }, $self; |
29 | |
28 | |
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29 | # register |
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30 | $AnyEvent::MP::Kernel::NODE{$id} = $self; |
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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 | |
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|
38 | sub DESTROY { |
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|
39 | # unregister |
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40 | delete $AnyEvent::MP::Kernel::NODE{$_[0]{id}}; |
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41 | } |
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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 $self->{connect_to}; |
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|
93 | |
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94 | AE::log 9 => "@reason"; |
86 | } |
95 | } |
87 | |
96 | |
88 | # called after handshake was successful |
97 | # called after handshake was successful |
89 | sub transport_connect { |
98 | sub transport_connect { |
90 | my ($self, $transport) = @_; |
99 | my ($self, $transport) = @_; |
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… | |
113 | my ($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 |
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128 | $AnyEvent::MP::Kernel::NODE{$self->{id}} |
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129 | = $AnyEvent::MP::Kernel::NODE{$self->{id}}; |
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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) { |
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145 | $self->transport_error (transport_error => $self->{id}, "no known address"); |
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146 | } else { |
132 | AnyEvent::MP::Kernel::g_find ($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) { |
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159 | $self->transport_error (transport_error => $self->{id}, "no known address"); |
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|
160 | return; |
|
|
161 | } |
144 | |
162 | |
145 | AE::log 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}; |
… | |
… | |
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 |
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|
177 | or return $self->transport_error (transport_error => $self->{id}, "unable to connect to any address"); |
159 | |
178 | |
160 | AE::log 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 $endpoint |
… | |
… | |
171 | } |
190 | } |
172 | |
191 | |
173 | sub kill { |
192 | sub kill { |
174 | my ($self, $port, @reason) = @_; |
193 | my ($self, $port, @reason) = @_; |
175 | |
194 | |
176 | $self->{send} (["", kil => $port, @reason]); |
195 | $self->{send} (["", kil1 => $port, @reason]); |
177 | } |
196 | } |
178 | |
197 | |
179 | sub monitor { |
198 | sub monitor { |
180 | my ($self, $portid, $cb) = @_; |
199 | my ($self, $portid, $cb) = @_; |
181 | |
200 | |
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199 | $self->send (["", mon0 => $portid]); |
218 | $self->send (["", mon0 => $portid]); |
200 | delete $self->{monitor}{$portid}; |
219 | delete $self->{monitor}{$portid}; |
201 | } |
220 | } |
202 | } |
221 | } |
203 | |
222 | |
204 | package AnyEvent::MP::Node::Self; |
223 | package AnyEvent::MP::Node::Self; # the local node |
205 | |
224 | |
206 | use base "AnyEvent::MP::Node"; |
225 | use base "AnyEvent::MP::Node"; |
207 | |
226 | |
208 | sub connect { |
227 | sub connect { |
209 | # we are trivially connected |
228 | # we are trivially connected |