… | |
… | |
21 | use AnyEvent::MP::Transport (); |
21 | use AnyEvent::MP::Transport (); |
22 | |
22 | |
23 | use base Exporter::; |
23 | use base Exporter::; |
24 | |
24 | |
25 | 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 | $cv |
|
|
96 | } |
|
|
97 | |
26 | |
98 | sub new { |
27 | sub new { |
99 | my ($class, $noderef) = @_; |
28 | my ($class, $noderef) = @_; |
100 | |
29 | |
101 | bless { noderef => $noderef }, $class |
30 | bless { noderef => $noderef }, $class |
… | |
… | |
116 | $self->{queue} = [$msg]; |
45 | $self->{queue} = [$msg]; |
117 | $self->connect; |
46 | $self->connect; |
118 | } |
47 | } |
119 | } |
48 | } |
120 | |
49 | |
|
|
50 | sub kill { |
|
|
51 | my ($self, $port, @reason) = @_; |
|
|
52 | |
|
|
53 | $self->send (["", kil => $port, @reason]); |
|
|
54 | } |
|
|
55 | |
121 | sub monitor { |
56 | sub monitor { |
122 | my ($self, $portid, $cb) = @_; |
57 | my ($self, $portid, $cb) = @_; |
123 | |
|
|
124 | return $cb->() |
|
|
125 | if $self->{failed}; |
|
|
126 | |
58 | |
127 | my $list = $self->{lmon}{$portid} ||= []; |
59 | my $list = $self->{lmon}{$portid} ||= []; |
128 | |
60 | |
129 | $self->send (["", mon1 => $portid]) |
61 | $self->send (["", mon1 => $portid]) |
130 | unless @$list; |
62 | unless @$list; |
… | |
… | |
152 | $self->clr_transport |
84 | $self->clr_transport |
153 | if $self->{transport}; |
85 | if $self->{transport}; |
154 | |
86 | |
155 | delete $self->{trial}; |
87 | delete $self->{trial}; |
156 | delete $self->{next_connect}; |
88 | delete $self->{next_connect}; |
157 | delete $self->{failed}; |
|
|
158 | |
89 | |
159 | if ( |
|
|
160 | exists $self->{remote_uniq} |
|
|
161 | && $self->{remote_uniq} ne $transport->{remote_uniq} |
|
|
162 | ) { |
|
|
163 | # uniq changed, drop queue |
|
|
164 | delete $self->{queue}; |
|
|
165 | #TODO: "DOWN" |
|
|
166 | } |
|
|
167 | |
|
|
168 | $self->{remote_uniq} = $transport->{remote_uniq}; |
|
|
169 | $self->{transport} = $transport; |
90 | $self->{transport} = $transport; |
170 | |
91 | |
171 | $transport->send ($_) |
92 | $transport->send ($_) |
172 | for @{ delete $self->{queue} || [] }; |
93 | for @{ delete $self->{queue} || [] }; |
173 | } |
94 | } |
174 | |
95 | |
|
|
96 | sub fail { |
|
|
97 | my ($self, @reason) = @_; |
|
|
98 | |
|
|
99 | delete $self->{queue}; |
|
|
100 | |
|
|
101 | if (my $mon = delete $self->{lmon}) { |
|
|
102 | $_->(@reason) for map @$_, values %$mon; |
|
|
103 | } |
|
|
104 | } |
|
|
105 | |
175 | sub clr_transport { |
106 | sub clr_transport { |
176 | my ($self) = @_; |
107 | my ($self, @reason) = @_; |
177 | |
108 | |
178 | delete $self->{transport}; |
109 | delete $self->{transport}; |
179 | $self->{failed} = 1; |
|
|
180 | |
|
|
181 | if (my $mon = delete $self->{monitor}) { |
|
|
182 | $_->() for map @$_, values %$mon; |
|
|
183 | } |
|
|
184 | |
|
|
185 | $self->connect; |
110 | $self->connect; |
186 | } |
111 | } |
187 | |
112 | |
188 | sub connect { |
113 | sub connect { |
189 | my ($self) = @_; |
114 | my ($self) = @_; |
190 | |
115 | |
191 | Scalar::Util::weaken $self; |
116 | Scalar::Util::weaken $self; |
192 | |
117 | |
193 | unless (exists $self->{n_noderef}) { |
|
|
194 | return if $self->{n_noderef_}++; |
|
|
195 | (AnyEvent::MP::Node::normalise_noderef ($self->{noderef}))->cb (sub { |
|
|
196 | $self or return; |
|
|
197 | delete $self->{n_noderef_}; |
|
|
198 | my $noderef = shift->recv; |
|
|
199 | |
|
|
200 | $self->{n_noderef} = $noderef; |
|
|
201 | |
|
|
202 | $AnyEvent::MP::Base::NODE{$_} = $self |
|
|
203 | for split /,/, $noderef; |
|
|
204 | |
|
|
205 | $self->connect; |
|
|
206 | }); |
|
|
207 | return; |
|
|
208 | } |
|
|
209 | |
|
|
210 | $self->{retry} ||= [split /,/, $self->{n_noderef}]; |
118 | $self->{retry} ||= [split /,/, $self->{noderef}]; |
211 | |
119 | |
212 | my $endpoint = shift @{ $self->{retry} }; |
120 | my $endpoint = shift @{ $self->{retry} }; |
213 | |
121 | |
214 | if (defined $endpoint) { |
122 | if (defined $endpoint) { |
215 | $self->{trial}{$endpoint} ||= do { |
123 | $self->{trial}{$endpoint} ||= do { |
216 | my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
124 | my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
217 | or return; |
125 | or return $AnyEvent::MP::Base::WARN->("$self->{noderef}: not a resolved node reference."); |
218 | |
126 | |
219 | my ($w, $g); |
127 | my ($w, $g); |
220 | |
128 | |
221 | $w = AE::timer $AnyEvent::MP::Base::CONNECT_TIMEOUT, 0, sub { |
129 | $w = AE::timer $AnyEvent::MP::Base::CONNECT_TIMEOUT, 0, sub { |
222 | delete $self->{trial}{$endpoint}; |
130 | delete $self->{trial}{$endpoint}; |
… | |
… | |
232 | |
140 | |
233 | [$w, \$g] |
141 | [$w, \$g] |
234 | }; |
142 | }; |
235 | } else { |
143 | } else { |
236 | delete $self->{retry}; |
144 | delete $self->{retry}; |
|
|
145 | $self->fail (transport_error => $self->{noderef}, "unable to connect"); |
237 | } |
146 | } |
238 | |
147 | |
239 | $self->{next_connect} = AE::timer $AnyEvent::MP::Base::CONNECT_INTERVAL, 0, sub { |
148 | $self->{next_connect} = AE::timer $AnyEvent::MP::Base::CONNECT_INTERVAL, 0, sub { |
240 | $self->connect; |
149 | $self->connect; |
241 | }; |
150 | }; |
242 | } |
151 | } |
243 | |
152 | |
|
|
153 | package AnyEvent::MP::Node::Slave; |
|
|
154 | |
|
|
155 | use base "AnyEvent::MP::Node::Direct"; |
|
|
156 | |
|
|
157 | sub connect { |
|
|
158 | my ($self) = @_; |
|
|
159 | |
|
|
160 | $self->fail (transport_error => $self->{noderef}, "unable to connect to slave node"); |
|
|
161 | } |
|
|
162 | |
244 | package AnyEvent::MP::Node::Self; |
163 | package AnyEvent::MP::Node::Self; |
245 | |
164 | |
246 | use base "AnyEvent::MP::Node"; |
165 | use base "AnyEvent::MP::Node"; |
247 | |
166 | |
248 | sub set_transport { |
167 | sub set_transport { |
249 | die "FATAL error, set_transport was called"; |
168 | Carp::confess "FATAL error, set_transport was called on local node"; |
250 | } |
169 | } |
251 | |
170 | |
252 | sub send { |
171 | sub send { |
253 | local $AnyEvent::MP::Base::SRCNODE = $_[0]; |
172 | local $AnyEvent::MP::Base::SRCNODE = $_[0]; |
254 | AnyEvent::MP::Base::_inject (@{ $_[1] }); |
173 | AnyEvent::MP::Base::_inject (@{ $_[1] }); |
255 | } |
174 | } |
256 | |
175 | |
|
|
176 | sub kill { |
|
|
177 | my ($self, $port, @reason) = @_; |
|
|
178 | |
|
|
179 | delete $AnyEvent::MP::Base::PORT{$port}; |
|
|
180 | delete $AnyEvent::MP::Base::PORT_DATA{$port}; |
|
|
181 | |
|
|
182 | my $mon = delete $AnyEvent::MP::Base::LMON{$port} |
|
|
183 | or !@reason |
|
|
184 | or $AnyEvent::MP::Base::WARN->("unmonitored local port $port died with reason: @reason"); |
|
|
185 | |
|
|
186 | $_->(@reason) for values %$mon; |
|
|
187 | } |
|
|
188 | |
257 | sub monitor { |
189 | sub monitor { |
258 | my ($self, $portid, $cb) = @_; |
190 | my ($self, $portid, $cb) = @_; |
259 | |
191 | |
260 | return $cb->() |
192 | return $cb->(no_such_port => "cannot monitor nonexistent port") |
261 | unless exists $AnyEvent::MP::Base::PORT{$portid}; |
193 | unless exists $AnyEvent::MP::Base::PORT{$portid}; |
262 | |
194 | |
263 | $AnyEvent::MP::Base::LMON{$portid}{$cb+0} = $cb; |
195 | $AnyEvent::MP::Base::LMON{$portid}{$cb+0} = $cb; |
264 | } |
196 | } |
265 | |
197 | |