… | |
… | |
18 | use AnyEvent::Util (); |
18 | use AnyEvent::Util (); |
19 | use AnyEvent::Socket (); |
19 | use AnyEvent::Socket (); |
20 | |
20 | |
21 | use AnyEvent::MP::Transport (); |
21 | use AnyEvent::MP::Transport (); |
22 | |
22 | |
23 | use base Exporter::; |
|
|
24 | |
|
|
25 | our $VERSION = '0.0'; |
|
|
26 | |
|
|
27 | sub new { |
23 | sub new { |
28 | my ($class, $noderef) = @_; |
24 | my ($self, $noderef) = @_; |
29 | |
25 | |
30 | bless { noderef => $noderef }, $class |
26 | $self = bless { noderef => $noderef }, $self; |
31 | } |
|
|
32 | |
27 | |
|
|
28 | $self->transport_reset; |
|
|
29 | |
|
|
30 | $self |
|
|
31 | } |
|
|
32 | |
|
|
33 | sub send { |
|
|
34 | &{ shift->{send} } |
|
|
35 | } |
|
|
36 | |
33 | package AnyEvent::MP::Node::Direct; |
37 | package AnyEvent::MP::Node::External; |
34 | |
38 | |
35 | use base "AnyEvent::MP::Node"; |
39 | use base "AnyEvent::MP::Node"; |
36 | |
40 | |
37 | sub send { |
41 | # called at init time, mostly sets {send} |
|
|
42 | sub transport_reset { |
38 | my ($self, $msg) = @_; |
43 | my ($self) = @_; |
39 | |
44 | |
40 | if ($self->{transport}) { |
45 | delete $self->{transport}; |
41 | $self->{transport}->send ($msg); |
46 | |
42 | } elsif ($self->{queue}) { |
47 | Scalar::Util::weaken $self; |
|
|
48 | |
|
|
49 | $self->{send} = sub { |
43 | push @{ $self->{queue} }, $msg; |
50 | push @{$self->{queue}}, shift; |
44 | } else { |
|
|
45 | $self->{queue} = [$msg]; |
|
|
46 | $self->connect; |
51 | $self->connect; |
|
|
52 | }; |
|
|
53 | |
|
|
54 | $self->connect |
|
|
55 | if $self->{autoconnect}; |
|
|
56 | } |
|
|
57 | |
|
|
58 | # called only after successful handshake |
|
|
59 | sub transport_error { |
|
|
60 | my ($self, @reason) = @_; |
|
|
61 | |
|
|
62 | my $no_transport = !$self->{transport}; |
|
|
63 | |
|
|
64 | delete $self->{connect_w}; |
|
|
65 | delete $self->{connect_to}; |
|
|
66 | |
|
|
67 | delete $self->{queue}; |
|
|
68 | $self->transport_reset; |
|
|
69 | |
|
|
70 | AnyEvent::MP::Kernel::_inject_nodeevent ($self, 0, @reason) |
|
|
71 | unless $no_transport; |
|
|
72 | |
|
|
73 | if (my $mon = delete $self->{lmon}) { |
|
|
74 | $_->(@reason) for map @$_, values %$mon; |
|
|
75 | } |
|
|
76 | } |
|
|
77 | |
|
|
78 | # called after handshake was successful |
|
|
79 | sub transport_connect { |
|
|
80 | my ($self, $transport) = @_; |
|
|
81 | |
|
|
82 | # first connect with a master node |
|
|
83 | $AnyEvent::MP::Kernel::SLAVE->($self) |
|
|
84 | if ref $AnyEvent::MP::Kernel::SLAVE; |
|
|
85 | |
|
|
86 | $self->transport_error (transport_error => "switched connections") |
|
|
87 | if $self->{transport}; |
|
|
88 | |
|
|
89 | delete $self->{connect_w}; |
|
|
90 | delete $self->{connect_to}; |
|
|
91 | |
|
|
92 | $self->{transport} = $transport; |
|
|
93 | |
|
|
94 | my $transport_send = $transport->can ("send"); |
|
|
95 | |
|
|
96 | $self->{send} = sub { |
|
|
97 | $transport_send->($transport, $_[0]); |
|
|
98 | }; |
|
|
99 | |
|
|
100 | AnyEvent::MP::Kernel::_inject_nodeevent ($self, 1); |
|
|
101 | |
|
|
102 | $transport->send ($_) |
|
|
103 | for @{ delete $self->{queue} || [] }; |
|
|
104 | } |
|
|
105 | |
|
|
106 | sub connect { |
|
|
107 | my ($self) = @_; |
|
|
108 | |
|
|
109 | return if $self->{transport}; |
|
|
110 | |
|
|
111 | Scalar::Util::weaken $self; |
|
|
112 | |
|
|
113 | $self->{connect_to} ||= AE::timer |
|
|
114 | $AnyEvent::MP::Config::CFG{monitor_timeout} || $AnyEvent::MP::Kernel::MONITOR_TIMEOUT, |
|
|
115 | 0, |
|
|
116 | sub { |
|
|
117 | $self->transport_error (transport_error => $self->{noderef}, "unable to connect"); |
|
|
118 | }; |
|
|
119 | |
|
|
120 | unless ($self->{connect_w}) { |
|
|
121 | my @endpoints; |
|
|
122 | my %trial; |
|
|
123 | |
|
|
124 | $self->{connect_w} = AE::timer |
|
|
125 | 0, |
|
|
126 | $AnyEvent::MP::Config::CFG{connect_interval} || $AnyEvent::MP::Kernel::CONNECT_INTERVAL, |
|
|
127 | sub { |
|
|
128 | @endpoints = split /,/, $self->{noderef} |
|
|
129 | unless @endpoints; |
|
|
130 | |
|
|
131 | my $endpoint = shift @endpoints; |
|
|
132 | |
|
|
133 | $trial{$endpoint} ||= do { |
|
|
134 | my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
|
|
135 | or return $AnyEvent::MP::Kernel::WARN->("$self->{noderef}: not a resolved node reference."); |
|
|
136 | |
|
|
137 | AnyEvent::MP::Transport::mp_connect |
|
|
138 | $host, $port, |
|
|
139 | sub { delete $trial{$endpoint} } |
|
|
140 | ; |
|
|
141 | }; |
|
|
142 | } |
|
|
143 | ; |
47 | } |
144 | } |
48 | } |
145 | } |
49 | |
146 | |
50 | sub kill { |
147 | sub kill { |
51 | my ($self, $port, @reason) = @_; |
148 | my ($self, $port, @reason) = @_; |
… | |
… | |
76 | $self->send (["", mon0 => $portid]); |
173 | $self->send (["", mon0 => $portid]); |
77 | delete $self->{monitor}{$portid}; |
174 | delete $self->{monitor}{$portid}; |
78 | } |
175 | } |
79 | } |
176 | } |
80 | |
177 | |
81 | sub set_transport { |
178 | package AnyEvent::MP::Node::Direct; |
|
|
179 | |
|
|
180 | use base "AnyEvent::MP::Node::External"; |
|
|
181 | |
|
|
182 | package AnyEvent::MP::Node::Indirect; |
|
|
183 | |
|
|
184 | use base "AnyEvent::MP::Node::Direct"; |
|
|
185 | |
|
|
186 | sub master { |
82 | my ($self, $transport) = @_; |
187 | my ($self) = @_; |
83 | |
188 | |
84 | $self->clr_transport |
189 | my (undef, $master) = split /\@/, $self->{noderef}, 2; |
|
|
190 | $master =~ s/!/,/g; |
|
|
191 | $master |
|
|
192 | } |
|
|
193 | |
|
|
194 | sub transport_reset { |
|
|
195 | my ($self) = @_; |
|
|
196 | |
85 | if $self->{transport}; |
197 | if ($self->{transport}) { |
|
|
198 | # as an optimisation, immediately nuke slave nodes |
|
|
199 | delete $AnyEvent::MP::Kernel::NODE{$self->{noderef}}; |
|
|
200 | } else { |
|
|
201 | $self->SUPER::transport_reset; |
|
|
202 | return;#d##TODO# |
86 | |
203 | |
87 | delete $self->{trial}; |
204 | my $noderef = $self->{noderef}; |
88 | delete $self->{next_connect}; |
205 | my $master = $self->master; |
89 | |
206 | |
90 | $self->{transport} = $transport; |
207 | # slave nodes are so cool - we can always send to them :) |
91 | |
208 | |
92 | $transport->send ($_) |
209 | $self->{send} = sub { |
93 | for @{ delete $self->{queue} || [] }; |
|
|
94 | } |
|
|
95 | |
|
|
96 | sub fail { |
|
|
97 | my ($self, @reason) = @_; |
|
|
98 | |
|
|
99 | delete $self->{queue}; |
|
|
100 | |
|
|
101 | if (my $mon = delete $self->{lmon}) { |
|
|
102 | $_->(@reason) for map @$_, values %$mon; |
|
|
103 | } |
|
|
104 | } |
|
|
105 | |
|
|
106 | sub clr_transport { |
|
|
107 | my ($self, @reason) = @_; |
|
|
108 | |
|
|
109 | delete $self->{transport}; |
|
|
110 | $self->connect; |
210 | $self->connect; |
|
|
211 | snd $master, relay => $noderef, @_; |
|
|
212 | }; |
|
|
213 | } |
111 | } |
214 | } |
112 | |
215 | |
113 | sub connect { |
216 | sub connect { |
114 | my ($self) = @_; |
217 | my ($self) = @_; |
115 | |
218 | |
|
|
219 | #TODO# |
|
|
220 | # # ask for a connection, #TODO# rate-limit this somehow |
|
|
221 | # snd $self->master, relay => $self->{noderef}, connect_node => $AnyEvent::MP::Kernel::NODE; |
|
|
222 | } |
|
|
223 | |
|
|
224 | package AnyEvent::MP::Node::Self; |
|
|
225 | |
|
|
226 | use base "AnyEvent::MP::Node"; |
|
|
227 | |
|
|
228 | sub connect { |
|
|
229 | # we are trivially connected |
|
|
230 | } |
|
|
231 | |
|
|
232 | sub transport_reset { |
|
|
233 | my ($self) = @_; |
|
|
234 | |
116 | Scalar::Util::weaken $self; |
235 | Scalar::Util::weaken $self; |
117 | |
236 | |
118 | $self->{retry} ||= [split /,/, $self->{noderef}]; |
237 | $self->{send} = sub { |
119 | |
238 | local $AnyEvent::MP::Kernel::SRCNODE = $self; |
120 | my $endpoint = shift @{ $self->{retry} }; |
239 | AnyEvent::MP::Kernel::_inject (@{ $_[0] }); |
121 | |
|
|
122 | if (defined $endpoint) { |
|
|
123 | $self->{trial}{$endpoint} ||= do { |
|
|
124 | my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
|
|
125 | or return $AnyEvent::MP::Base::WARN->("$self->{noderef}: not a resolved node reference."); |
|
|
126 | |
|
|
127 | my ($w, $g); |
|
|
128 | |
|
|
129 | $w = AE::timer $AnyEvent::MP::Base::CONNECT_TIMEOUT, 0, sub { |
|
|
130 | delete $self->{trial}{$endpoint}; |
|
|
131 | }; |
|
|
132 | $g = AnyEvent::MP::Transport::mp_connect |
|
|
133 | $host, $port, |
|
|
134 | sub { |
|
|
135 | delete $self->{trial}{$endpoint} |
|
|
136 | unless @_; |
|
|
137 | $g = shift; |
|
|
138 | }; |
|
|
139 | ; |
|
|
140 | |
|
|
141 | [$w, \$g] |
|
|
142 | }; |
|
|
143 | } else { |
|
|
144 | delete $self->{retry}; |
|
|
145 | $self->fail (transport_error => $self->{noderef}, "unable to connect"); |
|
|
146 | } |
|
|
147 | |
|
|
148 | $self->{next_connect} = AE::timer $AnyEvent::MP::Base::CONNECT_INTERVAL, 0, sub { |
|
|
149 | $self->connect; |
|
|
150 | }; |
240 | }; |
151 | } |
|
|
152 | |
|
|
153 | package AnyEvent::MP::Node::Slave; |
|
|
154 | |
|
|
155 | use base "AnyEvent::MP::Node::Direct"; |
|
|
156 | |
|
|
157 | sub connect { |
|
|
158 | my ($self) = @_; |
|
|
159 | |
|
|
160 | $self->fail (transport_error => $self->{noderef}, "unable to connect to slave node"); |
|
|
161 | } |
|
|
162 | |
|
|
163 | package AnyEvent::MP::Node::Self; |
|
|
164 | |
|
|
165 | use base "AnyEvent::MP::Node"; |
|
|
166 | |
|
|
167 | sub set_transport { |
|
|
168 | Carp::confess "FATAL error, set_transport was called on local node"; |
|
|
169 | } |
|
|
170 | |
|
|
171 | sub send { |
|
|
172 | local $AnyEvent::MP::Base::SRCNODE = $_[0]; |
|
|
173 | AnyEvent::MP::Base::_inject (@{ $_[1] }); |
|
|
174 | } |
241 | } |
175 | |
242 | |
176 | sub kill { |
243 | sub kill { |
177 | my ($self, $port, @reason) = @_; |
244 | my ($self, $port, @reason) = @_; |
178 | |
245 | |
179 | delete $AnyEvent::MP::Base::PORT{$port}; |
246 | delete $AnyEvent::MP::Kernel::PORT{$port}; |
180 | delete $AnyEvent::MP::Base::PORT_DATA{$port}; |
247 | delete $AnyEvent::MP::Kernel::PORT_DATA{$port}; |
181 | |
248 | |
182 | my $mon = delete $AnyEvent::MP::Base::LMON{$port} |
249 | my $mon = delete $AnyEvent::MP::Kernel::LMON{$port} |
183 | or !@reason |
250 | or !@reason |
184 | or $AnyEvent::MP::Base::WARN->("unmonitored local port $port died with reason: @reason"); |
251 | or $AnyEvent::MP::Kernel::WARN->("unmonitored local port $port died with reason: @reason"); |
185 | |
252 | |
186 | $_->(@reason) for values %$mon; |
253 | $_->(@reason) for values %$mon; |
187 | } |
254 | } |
188 | |
255 | |
189 | sub monitor { |
256 | sub monitor { |
190 | my ($self, $portid, $cb) = @_; |
257 | my ($self, $portid, $cb) = @_; |
191 | |
258 | |
192 | return $cb->(no_such_port => "cannot monitor nonexistent port") |
259 | return $cb->(no_such_port => "cannot monitor nonexistent port") |
193 | unless exists $AnyEvent::MP::Base::PORT{$portid}; |
260 | unless exists $AnyEvent::MP::Kernel::PORT{$portid}; |
194 | |
261 | |
195 | $AnyEvent::MP::Base::LMON{$portid}{$cb+0} = $cb; |
262 | $AnyEvent::MP::Kernel::LMON{$portid}{$cb+0} = $cb; |
196 | } |
263 | } |
197 | |
264 | |
198 | sub unmonitor { |
265 | sub unmonitor { |
199 | my ($self, $portid, $cb) = @_; |
266 | my ($self, $portid, $cb) = @_; |
200 | |
267 | |
201 | delete $AnyEvent::MP::Base::LMON{$portid}{$cb+0}; |
268 | delete $AnyEvent::MP::Kernel::LMON{$portid}{$cb+0}; |
202 | } |
269 | } |
203 | |
270 | |
204 | =head1 SEE ALSO |
271 | =head1 SEE ALSO |
205 | |
272 | |
206 | L<AnyEvent>. |
273 | L<AnyEvent::MP>. |
207 | |
274 | |
208 | =head1 AUTHOR |
275 | =head1 AUTHOR |
209 | |
276 | |
210 | Marc Lehmann <schmorp@schmorp.de> |
277 | Marc Lehmann <schmorp@schmorp.de> |
211 | http://home.schmorp.de/ |
278 | http://home.schmorp.de/ |