… | |
… | |
13 | package AnyEvent::MP::Node; |
13 | package AnyEvent::MP::Node; |
14 | |
14 | |
15 | use common::sense; |
15 | use common::sense; |
16 | |
16 | |
17 | use AE (); |
17 | use AE (); |
|
|
18 | use AnyEvent::Util (); |
18 | use AnyEvent::Socket (); |
19 | use AnyEvent::Socket (); |
19 | |
20 | |
20 | use AnyEvent::MP::Transport (); |
21 | use AnyEvent::MP::Transport (); |
21 | |
22 | |
22 | use base Exporter::; |
23 | use base Exporter::; |
23 | |
24 | |
24 | our $VERSION = '0.0'; |
25 | our $VERSION = '0.0'; |
|
|
26 | |
|
|
27 | our $DEFAULT_PORT = "4040"; |
|
|
28 | |
|
|
29 | sub normalise_noderef($) { |
|
|
30 | my ($noderef) = @_; |
|
|
31 | |
|
|
32 | my $cv = AE::cv; |
|
|
33 | my @res; |
|
|
34 | |
|
|
35 | $cv->begin (sub { |
|
|
36 | my %seen; |
|
|
37 | my @refs; |
|
|
38 | for (sort { $a->[0] <=> $b->[0] } @res) { |
|
|
39 | push @refs, $_->[1] unless $seen{$_->[1]}++ |
|
|
40 | } |
|
|
41 | shift->send (join ",", @refs); |
|
|
42 | }); |
|
|
43 | |
|
|
44 | $noderef = $DEFAULT_PORT unless length $noderef; |
|
|
45 | |
|
|
46 | my $idx; |
|
|
47 | for my $t (split /,/, $noderef) { |
|
|
48 | my $pri = ++$idx; |
|
|
49 | |
|
|
50 | #TODO: this should be outside normalise_noderef and in become_public |
|
|
51 | if ($t =~ /^\d*$/) { |
|
|
52 | require POSIX; |
|
|
53 | my $nodename = (POSIX::uname ())[1]; |
|
|
54 | |
|
|
55 | $cv->begin; |
|
|
56 | AnyEvent::Socket::resolve_sockaddr $nodename, $t || "aemp=$DEFAULT_PORT", "tcp", 0, undef, sub { |
|
|
57 | for (@_) { |
|
|
58 | my ($service, $host) = AnyEvent::Socket::unpack_sockaddr $_->[3]; |
|
|
59 | push @res, [ |
|
|
60 | $pri += 1e-5, |
|
|
61 | AnyEvent::Socket::format_hostport AnyEvent::Socket::format_address $host, $service |
|
|
62 | ]; |
|
|
63 | } |
|
|
64 | $cv->end; |
|
|
65 | }; |
|
|
66 | |
|
|
67 | # my (undef, undef, undef, undef, @ipv4) = gethostbyname $nodename; |
|
|
68 | # |
|
|
69 | # for (@ipv4) { |
|
|
70 | # push @res, [ |
|
|
71 | # $pri, |
|
|
72 | # AnyEvent::Socket::format_hostport AnyEvent::Socket::format_address $_, $t || $DEFAULT_PORT, |
|
|
73 | # ]; |
|
|
74 | # } |
|
|
75 | } else { |
|
|
76 | my ($host, $port) = AnyEvent::Socket::parse_hostport $t, "aemp=$DEFAULT_PORT" |
|
|
77 | or Carp::croak "$t: unparsable transport descriptor"; |
|
|
78 | |
|
|
79 | $cv->begin; |
|
|
80 | AnyEvent::Socket::resolve_sockaddr $host, $port, "tcp", 0, undef, sub { |
|
|
81 | for (@_) { |
|
|
82 | my ($service, $host) = AnyEvent::Socket::unpack_sockaddr $_->[3]; |
|
|
83 | push @res, [ |
|
|
84 | $pri += 1e-5, |
|
|
85 | AnyEvent::Socket::format_hostport AnyEvent::Socket::format_address $host, $service |
|
|
86 | ]; |
|
|
87 | } |
|
|
88 | $cv->end; |
|
|
89 | } |
|
|
90 | } |
|
|
91 | } |
|
|
92 | |
|
|
93 | $cv->end; |
|
|
94 | |
|
|
95 | $cv |
|
|
96 | } |
25 | |
97 | |
26 | sub new { |
98 | sub new { |
27 | my ($class, $noderef) = @_; |
99 | my ($class, $noderef) = @_; |
28 | |
100 | |
29 | bless { noderef => $noderef }, $class |
101 | bless { noderef => $noderef }, $class |
… | |
… | |
44 | $self->{queue} = [$msg]; |
116 | $self->{queue} = [$msg]; |
45 | $self->connect; |
117 | $self->connect; |
46 | } |
118 | } |
47 | } |
119 | } |
48 | |
120 | |
|
|
121 | sub kill { |
|
|
122 | my ($self, $port, @reason) = @_; |
|
|
123 | |
|
|
124 | $self->send (["", kil => $port, @reason]); |
|
|
125 | } |
|
|
126 | |
|
|
127 | sub monitor { |
|
|
128 | my ($self, $portid, $cb) = @_; |
|
|
129 | |
|
|
130 | return $cb->("node failed conenction") |
|
|
131 | if $self->{failed}; |
|
|
132 | |
|
|
133 | my $list = $self->{lmon}{$portid} ||= []; |
|
|
134 | |
|
|
135 | $self->send (["", mon1 => $portid]) |
|
|
136 | unless @$list; |
|
|
137 | |
|
|
138 | push @$list, $cb; |
|
|
139 | } |
|
|
140 | |
|
|
141 | sub unmonitor { |
|
|
142 | my ($self, $portid, $cb) = @_; |
|
|
143 | |
|
|
144 | my $list = $self->{lmon}{$portid} |
|
|
145 | or return; |
|
|
146 | |
|
|
147 | @$list = grep $_ != $cb, @$list; |
|
|
148 | |
|
|
149 | unless (@$list) { |
|
|
150 | $self->send (["", mon0 => $portid]); |
|
|
151 | delete $self->{monitor}{$portid}; |
|
|
152 | } |
|
|
153 | } |
|
|
154 | |
49 | sub set_transport { |
155 | sub set_transport { |
50 | my ($self, $transport) = @_; |
156 | my ($self, $transport) = @_; |
51 | |
157 | |
52 | delete $self->{trial}; |
158 | $self->clr_transport |
53 | delete $self->{next_connect}; |
159 | if $self->{transport}; |
54 | |
160 | |
55 | if ( |
161 | if ( |
56 | exists $self->{remote_uniq} |
162 | exists $self->{remote_uniq} |
57 | && $self->{remote_uniq} ne $transport->{remote_uniq} |
163 | && $self->{remote_uniq} ne $transport->{remote_uniq} |
58 | ) { |
164 | ) { |
59 | # uniq changed, drop queue |
165 | # uniq changed, different node |
|
|
166 | $self->fail ("node restart detected"); |
|
|
167 | } |
|
|
168 | |
|
|
169 | delete $self->{trial}; |
|
|
170 | delete $self->{next_connect}; |
60 | delete $self->{queue}; |
171 | delete $self->{failed}; |
61 | #TODO: "DOWN" |
|
|
62 | } |
|
|
63 | |
172 | |
64 | $self->{remote_uniq} = $transport->{remote_uniq}; |
173 | $self->{remote_uniq} = $transport->{remote_uniq}; |
65 | $self->{transport} = $transport; |
174 | $self->{transport} = $transport; |
66 | |
175 | |
67 | $transport->send ($_) |
176 | $transport->send ($_) |
68 | for @{ delete $self->{queue} || [] }; |
177 | for @{ delete $self->{queue} || [] }; |
69 | } |
178 | } |
70 | |
179 | |
|
|
180 | sub fail { |
|
|
181 | my ($self, @reason) = @_; |
|
|
182 | |
|
|
183 | delete $self->{queue}; |
|
|
184 | |
|
|
185 | $self->{failed} = 1; |
|
|
186 | |
|
|
187 | if (my $mon = delete $self->{lmon}) { |
|
|
188 | $_->(@reason) for map @$_, values %$mon; |
|
|
189 | } |
|
|
190 | } |
|
|
191 | |
71 | sub clr_transport { |
192 | sub clr_transport { |
72 | my ($self) = @_; |
193 | my ($self, @reason) = @_; |
73 | |
194 | |
74 | delete $self->{transport}; |
195 | delete $self->{transport}; |
75 | warn "clr_transport\n"; |
196 | $self->connect; |
76 | } |
197 | } |
77 | |
198 | |
78 | sub connect { |
199 | sub connect { |
79 | my ($self) = @_; |
200 | my ($self) = @_; |
80 | |
201 | |
81 | Scalar::Util::weaken $self; |
202 | Scalar::Util::weaken $self; |
82 | |
203 | |
83 | unless (exists $self->{n_noderef}) { |
204 | unless (exists $self->{n_noderef}) { |
|
|
205 | return if $self->{n_noderef_}++; |
84 | (AnyEvent::MP::normalise_noderef ($self->{noderef}))->cb (sub { |
206 | (AnyEvent::MP::Node::normalise_noderef ($self->{noderef}))->cb (sub { |
85 | $self or return; |
207 | $self or return; |
|
|
208 | delete $self->{n_noderef_}; |
86 | my $noderef = shift->recv; |
209 | my $noderef = shift->recv; |
87 | |
210 | |
88 | $self->{n_noderef} = $noderef; |
211 | $self->{n_noderef} = $noderef; |
89 | |
212 | |
90 | $AnyEvent::MP::NODE{$_} = $self |
213 | $AnyEvent::MP::Base::NODE{$_} = $self |
91 | for split /,/, $noderef; |
214 | for split /,/, $noderef; |
92 | |
215 | |
93 | $self->connect; |
216 | $self->connect; |
94 | }); |
217 | }); |
95 | return; |
218 | return; |
… | |
… | |
104 | my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
227 | my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
105 | or return; |
228 | or return; |
106 | |
229 | |
107 | my ($w, $g); |
230 | my ($w, $g); |
108 | |
231 | |
109 | $w = AE::timer $AnyEvent::MP::CONNECT_TIMEOUT, 0, sub { |
232 | $w = AE::timer $AnyEvent::MP::Base::CONNECT_TIMEOUT, 0, sub { |
110 | delete $self->{trial}{$endpoint}; |
233 | delete $self->{trial}{$endpoint}; |
111 | }; |
234 | }; |
112 | $g = AnyEvent::MP::Transport::mp_connect |
235 | $g = AnyEvent::MP::Transport::mp_connect |
113 | $host, $port, |
236 | $host, $port, |
114 | sub { |
237 | sub { |
… | |
… | |
122 | }; |
245 | }; |
123 | } else { |
246 | } else { |
124 | delete $self->{retry}; |
247 | delete $self->{retry}; |
125 | } |
248 | } |
126 | |
249 | |
127 | $self->{next_connect} = AE::timer $AnyEvent::MP::CONNECT_INTERVAL, 0, sub { |
250 | $self->{next_connect} = AE::timer $AnyEvent::MP::Base::CONNECT_INTERVAL, 0, sub { |
128 | $self->connect; |
251 | $self->connect; |
129 | }; |
252 | }; |
130 | } |
253 | } |
131 | |
254 | |
132 | package AnyEvent::MP::Node::Self; |
255 | package AnyEvent::MP::Node::Self; |
… | |
… | |
136 | sub set_transport { |
259 | sub set_transport { |
137 | die "FATAL error, set_transport was called"; |
260 | die "FATAL error, set_transport was called"; |
138 | } |
261 | } |
139 | |
262 | |
140 | sub send { |
263 | sub send { |
141 | die "self-send not implemented yet\n";#d# |
264 | local $AnyEvent::MP::Base::SRCNODE = $_[0]; |
|
|
265 | AnyEvent::MP::Base::_inject (@{ $_[1] }); |
|
|
266 | } |
|
|
267 | |
|
|
268 | sub kill { |
|
|
269 | my ($self, $port, @reason) = @_; |
|
|
270 | |
|
|
271 | delete $AnyEvent::MP::Base::PORT{$port}; |
|
|
272 | delete $AnyEvent::MP::Base::PORT_DATA{$port}; |
|
|
273 | |
|
|
274 | my $mon = delete $AnyEvent::MP::Base::LMON{$port} |
|
|
275 | or !@reason |
|
|
276 | or $AnyEvent::MP::Base::WARN->("unmonitored local port $port died with reason: @reason"); |
|
|
277 | |
|
|
278 | $_->(@reason) for values %$mon; |
|
|
279 | } |
|
|
280 | |
|
|
281 | sub monitor { |
|
|
282 | my ($self, $portid, $cb) = @_; |
|
|
283 | |
|
|
284 | return $cb->() |
|
|
285 | unless exists $AnyEvent::MP::Base::PORT{$portid}; |
|
|
286 | |
|
|
287 | $AnyEvent::MP::Base::LMON{$portid}{$cb+0} = $cb; |
|
|
288 | } |
|
|
289 | |
|
|
290 | sub unmonitor { |
|
|
291 | my ($self, $portid, $cb) = @_; |
|
|
292 | |
|
|
293 | delete $AnyEvent::MP::Base::LMON{$portid}{$cb+0}; |
142 | } |
294 | } |
143 | |
295 | |
144 | =head1 SEE ALSO |
296 | =head1 SEE ALSO |
145 | |
297 | |
146 | L<AnyEvent>. |
298 | L<AnyEvent>. |