… | |
… | |
40 | sub send { |
40 | sub send { |
41 | &{ shift->{send} } |
41 | &{ shift->{send} } |
42 | } |
42 | } |
43 | |
43 | |
44 | # nodes reachable via the network |
44 | # nodes reachable via the network |
45 | package AnyEvent::MP::Node::External; |
45 | package AnyEvent::MP::Node::Remote; |
46 | |
46 | |
47 | use base "AnyEvent::MP::Node"; |
47 | use base "AnyEvent::MP::Node"; |
48 | |
48 | |
49 | # called at init time, mostly sets {send} |
49 | # called at init time, mostly sets {send} |
50 | sub transport_reset { |
50 | sub transport_reset { |
… | |
… | |
58 | push @{$self->{queue}}, shift; |
58 | push @{$self->{queue}}, shift; |
59 | $self->connect; |
59 | $self->connect; |
60 | }; |
60 | }; |
61 | } |
61 | } |
62 | |
62 | |
63 | # called only after successful handshake |
63 | # called each time we fail to establish a connection, |
|
|
64 | # or the existing connection failed |
64 | sub transport_error { |
65 | sub transport_error { |
65 | my ($self, @reason) = @_; |
66 | my ($self, @reason) = @_; |
66 | |
67 | |
67 | my $no_transport = !$self->{transport}; |
68 | my $no_transport = !$self->{transport}; |
68 | |
69 | |
… | |
… | |
76 | $_->(@reason) for map @$_, values %$mon; |
77 | $_->(@reason) for map @$_, values %$mon; |
77 | } |
78 | } |
78 | |
79 | |
79 | AnyEvent::MP::Kernel::_inject_nodeevent ($self, 0, @reason) |
80 | AnyEvent::MP::Kernel::_inject_nodeevent ($self, 0, @reason) |
80 | unless $no_transport; |
81 | unless $no_transport; |
|
|
82 | |
|
|
83 | # if we are here and are idle, we nuke ourselves |
|
|
84 | delete $AnyEvent::MP::Kernel::NODE{$self->{id}} |
|
|
85 | unless $self->{transport} || $self->{connect_to}; |
81 | } |
86 | } |
82 | |
87 | |
83 | # called after handshake was successful |
88 | # called after handshake was successful |
84 | sub transport_connect { |
89 | sub transport_connect { |
85 | my ($self, $transport) = @_; |
90 | my ($self, $transport) = @_; |
86 | |
91 | |
87 | delete $self->{trial}; |
92 | delete $self->{trial}; |
88 | |
93 | |
89 | $self->transport_error (transport_error => "switched connections") |
94 | $self->transport_error (transport_error => $self->{id}, "switched connections") |
90 | if $self->{transport}; |
95 | if $self->{transport}; |
91 | |
96 | |
|
|
97 | delete $self->{connect_addr}; |
92 | delete $self->{connect_w}; |
98 | delete $self->{connect_w}; |
93 | delete $self->{connect_to}; |
99 | delete $self->{connect_to}; |
94 | |
100 | |
95 | $self->{transport} = $transport; |
101 | $self->{transport} = $transport; |
96 | |
102 | |
97 | my $transport_send = $transport->can ("send"); |
103 | my $transport_send = $transport->{send}; |
98 | |
|
|
99 | $self->{send} = sub { |
|
|
100 | $transport_send->($transport, $_[0]); |
|
|
101 | }; |
|
|
102 | |
104 | |
103 | AnyEvent::MP::Kernel::_inject_nodeevent ($self, 1); |
105 | AnyEvent::MP::Kernel::_inject_nodeevent ($self, 1); |
104 | |
106 | |
|
|
107 | $self->{send} = $transport_send; |
|
|
108 | |
105 | $transport->send ($_) |
109 | $transport_send->($_) |
106 | for @{ delete $self->{queue} || [] }; |
110 | for @{ delete $self->{queue} || [] }; |
107 | } |
111 | } |
108 | |
112 | |
109 | sub connect { |
113 | sub connect { |
110 | my ($self, @addresses) = @_; |
114 | my ($self) = @_; |
111 | |
115 | |
112 | return if $self->{transport}; |
116 | return if $self->{transport}; |
|
|
117 | return if $self->{connect_w}; |
113 | |
118 | |
114 | Scalar::Util::weaken $self; |
119 | Scalar::Util::weaken $self; |
115 | |
120 | |
|
|
121 | my $monitor = $AnyEvent::MP::Kernel::CONFIG->{monitor_timeout}; |
|
|
122 | |
116 | $self->{connect_to} ||= AE::timer |
123 | $self->{connect_to} ||= AE::timer $monitor, 0, sub { |
117 | $AnyEvent::MP::Config::CFG{monitor_timeout} || $AnyEvent::MP::Kernel::MONITOR_TIMEOUT, |
|
|
118 | 0, |
|
|
119 | sub { |
|
|
120 | $self->transport_error (transport_error => $self->{id}, "unable to connect"); |
124 | $self->transport_error (transport_error => $self->{id}, "unable to connect"); |
|
|
125 | }; |
|
|
126 | |
|
|
127 | # maybe @$addresses? |
|
|
128 | my @addresses = @{ |
|
|
129 | $AnyEvent::MP::Kernel::GLOBAL_ADDR->{$self->{id}} |
|
|
130 | || $AnyEvent::MP::Kernel::NODE_ADDR->{$self->{id}} |
|
|
131 | }; |
|
|
132 | |
|
|
133 | unless (@addresses) { |
|
|
134 | # on global nodes, all bets are off now - we either know the node, or we don't |
|
|
135 | unless ($AnyEvent::MP::Kernel::GLOBAL) { |
|
|
136 | $self->{connect_w} = AnyEvent::MP::Kernel::global_req ( |
|
|
137 | g_find => $self->{id}, |
|
|
138 | sub { |
|
|
139 | return unless $self; # just to be sure |
|
|
140 | return unless @{ $_[0] }; |
|
|
141 | |
|
|
142 | local $AnyEvent::MP::Kernel::GLOBAL_ADDR->{$self->{id}} = $_[0]; #d# UGLY |
|
|
143 | delete $self->{connect_w}; |
|
|
144 | $self->connect; |
|
|
145 | } |
|
|
146 | ); |
|
|
147 | } |
|
|
148 | |
|
|
149 | return; |
|
|
150 | } |
|
|
151 | |
|
|
152 | $self->{connect_addr} = \@addresses; # a bit weird, but efficient |
|
|
153 | |
|
|
154 | $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} with [@addresses]"); |
|
|
155 | |
|
|
156 | my $interval = $AnyEvent::MP::Kernel::CONFIG->{connect_interval}; |
|
|
157 | |
|
|
158 | $interval = ($monitor - $interval) / @addresses |
|
|
159 | if ($monitor - $interval) / @addresses < $interval; |
|
|
160 | |
|
|
161 | $interval = 0.4 if $interval < 0.4; |
|
|
162 | |
|
|
163 | my @endpoints; |
|
|
164 | |
|
|
165 | $self->{connect_w} = AE::timer 0, $interval * (0.9 + 0.1 * rand), sub { |
|
|
166 | @endpoints = @addresses |
|
|
167 | unless @endpoints; |
|
|
168 | |
|
|
169 | my $endpoint = shift @endpoints; |
|
|
170 | |
|
|
171 | $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} at $endpoint"); |
|
|
172 | |
|
|
173 | $self->{trial}{$endpoint} ||= do { |
|
|
174 | my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
|
|
175 | or return $AnyEvent::MP::Kernel::WARN->(1, "$self->{id}: not a resolved node reference."); |
|
|
176 | |
|
|
177 | AnyEvent::MP::Transport::mp_connect |
|
|
178 | $host, $port, |
|
|
179 | sub { delete $self->{trial}{$endpoint} }, |
121 | }; |
180 | }; |
122 | |
|
|
123 | return unless @addresses; |
|
|
124 | |
|
|
125 | $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} with [@addresses]"); |
|
|
126 | |
|
|
127 | unless ($self->{connect_w}) { |
|
|
128 | my @endpoints; |
|
|
129 | |
|
|
130 | $self->{connect_w} = AE::timer |
|
|
131 | rand, |
|
|
132 | $AnyEvent::MP::Config::CFG{connect_interval} || $AnyEvent::MP::Kernel::CONNECT_INTERVAL, |
|
|
133 | sub { |
|
|
134 | @endpoints = @addresses |
|
|
135 | unless @endpoints; |
|
|
136 | |
|
|
137 | my $endpoint = shift @endpoints; |
|
|
138 | |
|
|
139 | $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} at $endpoint"); |
|
|
140 | |
|
|
141 | $self->{trial}{$endpoint} ||= do { |
|
|
142 | my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
|
|
143 | or return $AnyEvent::MP::Kernel::WARN->(1, "$self->{id}: not a resolved node reference."); |
|
|
144 | |
|
|
145 | AnyEvent::MP::Transport::mp_connect |
|
|
146 | $host, $port, |
|
|
147 | sub { delete $self->{trial}{$endpoint} }, |
|
|
148 | }; |
|
|
149 | } |
|
|
150 | ; |
|
|
151 | } |
181 | }; |
152 | } |
182 | } |
153 | |
183 | |
154 | sub kill { |
184 | sub kill { |
155 | my ($self, $port, @reason) = @_; |
185 | my ($self, $port, @reason) = @_; |
156 | |
186 | |
157 | $self->send (["", kil => $port, @reason]); |
187 | $self->{send} (["", kil => $port, @reason]); |
158 | } |
188 | } |
159 | |
189 | |
160 | sub monitor { |
190 | sub monitor { |
161 | my ($self, $portid, $cb) = @_; |
191 | my ($self, $portid, $cb) = @_; |
162 | |
192 | |
… | |
… | |
180 | $self->send (["", mon0 => $portid]); |
210 | $self->send (["", mon0 => $portid]); |
181 | delete $self->{monitor}{$portid}; |
211 | delete $self->{monitor}{$portid}; |
182 | } |
212 | } |
183 | } |
213 | } |
184 | |
214 | |
185 | # used for direct slave connections as well |
|
|
186 | package AnyEvent::MP::Node::Direct; |
|
|
187 | |
|
|
188 | use base "AnyEvent::MP::Node::External"; |
|
|
189 | |
|
|
190 | package AnyEvent::MP::Node::Self; |
215 | package AnyEvent::MP::Node::Self; |
191 | |
216 | |
192 | use base "AnyEvent::MP::Node"; |
217 | use base "AnyEvent::MP::Node"; |
193 | |
218 | |
194 | sub connect { |
219 | sub connect { |
195 | # we are trivially connected |
220 | # we are trivially connected |
196 | } |
221 | } |
197 | |
222 | |
|
|
223 | # delay every so often to avoid recursion, also used to delay after spawn |
|
|
224 | our $DELAY = -50; |
|
|
225 | our @DELAY; |
|
|
226 | our $DELAY_W; |
|
|
227 | |
|
|
228 | sub _send_delayed { |
|
|
229 | local $AnyEvent::MP::Kernel::SRCNODE = $AnyEvent::MP::Kernel::NODE{""}; |
|
|
230 | (shift @DELAY)->() |
|
|
231 | while @DELAY; |
|
|
232 | undef $DELAY_W; |
|
|
233 | $DELAY = -50; |
|
|
234 | } |
|
|
235 | |
198 | sub transport_reset { |
236 | sub transport_reset { |
199 | my ($self) = @_; |
237 | my ($self) = @_; |
200 | |
238 | |
201 | Scalar::Util::weaken $self; |
239 | Scalar::Util::weaken $self; |
202 | |
240 | |
203 | $self->{send} = sub { |
241 | $self->{send} = sub { |
|
|
242 | if ($DELAY++ >= 0) { |
|
|
243 | my $msg = $_[0]; |
|
|
244 | push @DELAY, sub { AnyEvent::MP::Kernel::_inject (@$msg) }; |
|
|
245 | $DELAY_W ||= AE::timer 0, 0, \&_send_delayed; |
|
|
246 | return; |
|
|
247 | } |
|
|
248 | |
204 | local $AnyEvent::MP::Kernel::SRCNODE = $self; |
249 | local $AnyEvent::MP::Kernel::SRCNODE = $self; |
205 | AnyEvent::MP::Kernel::_inject (@{ $_[0] }); |
250 | AnyEvent::MP::Kernel::_inject (@{ $_[0] }); |
206 | }; |
251 | }; |
207 | } |
252 | } |
208 | |
253 | |
… | |
… | |
211 | |
256 | |
212 | $AnyEvent::MP::Kernel::WARN->(9, "I refuse to talk to myself ($tp->{peerhost}:$tp->{peerport})"); |
257 | $AnyEvent::MP::Kernel::WARN->(9, "I refuse to talk to myself ($tp->{peerhost}:$tp->{peerport})"); |
213 | } |
258 | } |
214 | |
259 | |
215 | sub kill { |
260 | sub kill { |
216 | my ($self, $port, @reason) = @_; |
261 | my (undef, @args) = @_; |
217 | |
262 | |
218 | delete $AnyEvent::MP::Kernel::PORT{$port}; |
263 | # we _always_ delay kil's, to avoid calling mon callbacks |
219 | delete $AnyEvent::MP::Kernel::PORT_DATA{$port}; |
264 | # from anything but the event loop context. |
220 | |
265 | $DELAY = 1; |
221 | my $mon = delete $AnyEvent::MP::Kernel::LMON{$port} |
266 | push @DELAY, sub { AnyEvent::MP::Kernel::_kill (@args) }; |
222 | or !@reason |
267 | $DELAY_W ||= AE::timer 0, 0, \&_send_delayed; |
223 | or $AnyEvent::MP::Kernel::WARN->(2, "unmonitored local port $port died with reason: @reason"); |
|
|
224 | |
|
|
225 | $_->(@reason) for values %$mon; |
|
|
226 | } |
268 | } |
227 | |
269 | |
228 | sub monitor { |
270 | sub monitor { |
229 | my ($self, $portid, $cb) = @_; |
271 | # maybe always delay, too? |
230 | |
272 | if ($DELAY_W) { |
231 | return $cb->(no_such_port => "cannot monitor nonexistent port") |
273 | my @args = @_; |
232 | unless exists $AnyEvent::MP::Kernel::PORT{$portid}; |
274 | push @DELAY, sub { AnyEvent::MP::Kernel::_monitor (@args) }; |
233 | |
275 | return; |
234 | $AnyEvent::MP::Kernel::LMON{$portid}{$cb+0} = $cb; |
276 | } |
|
|
277 | &AnyEvent::MP::Kernel::_monitor; |
235 | } |
278 | } |
236 | |
279 | |
237 | sub unmonitor { |
280 | sub unmonitor { |
238 | my ($self, $portid, $cb) = @_; |
281 | # no need to always delay |
|
|
282 | if ($DELAY_W) { |
|
|
283 | my @args = @_; |
|
|
284 | push @DELAY, sub { AnyEvent::MP::Kernel::_unmonitor (@args) }; |
|
|
285 | return; |
|
|
286 | } |
239 | |
287 | |
240 | delete $AnyEvent::MP::Kernel::LMON{$portid}{$cb+0}; |
288 | &AnyEvent::MP::Kernel::_unmonitor; |
241 | } |
289 | } |
242 | |
290 | |
243 | =head1 SEE ALSO |
291 | =head1 SEE ALSO |
244 | |
292 | |
245 | L<AnyEvent::MP>. |
293 | L<AnyEvent::MP>. |