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Comparing AnyEvent-MP/MP/Node.pm (file contents):
Revision 1.59 by root, Sat Mar 3 11:38:43 2012 UTC vs.
Revision 1.65 by root, Fri Mar 23 21:16:36 2012 UTC

… …
10 10
11This is an internal utility module, horrible to look at, so don't. 11This is an internal utility module, horrible to look at, so don't.
12 12
13=cut 13=cut
14 14
15package AnyEvent::MP::Node; 15package AnyEvent::MP::Node; # base class for nodes
16 16
17use common::sense; 17use common::sense;
18 18
19use AE ();
20use AnyEvent::Util (); 19use AnyEvent ();
21use AnyEvent::Socket (); 20use AnyEvent::Socket ();
22 21
23use AnyEvent::MP::Transport (); 22use AnyEvent::MP::Transport ();
24 23
25sub new { 24sub new {
… …
40sub send { 39sub send {
41 &{ shift->{send} } 40 &{ shift->{send} }
42} 41}
43 42
44# nodes reachable via the network 43# nodes reachable via the network
45package AnyEvent::MP::Node::Remote; 44package AnyEvent::MP::Node::Remote; # a remote node
46 45
47use base "AnyEvent::MP::Node"; 46use base "AnyEvent::MP::Node";
48 47
49# called at init time, mostly sets {send} 48# called at init time, mostly sets {send}
50sub transport_reset { 49sub transport_reset {
… …
140 return if $self->{transport}; 139 return if $self->{transport};
141 return if $self->{connect_w}; 140 return if $self->{connect_w};
142 141
143 return unless @$addresses; 142 return unless @$addresses;
144 143
145 $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} with [@$addresses]"); 144 AE::log 9 => "connecting to $self->{id} with [@$addresses]";
146 145
147 my $monitor = $AnyEvent::MP::Kernel::CONFIG->{monitor_timeout}; 146 my $monitor = $AnyEvent::MP::Kernel::CONFIG->{monitor_timeout};
148 my $interval = $AnyEvent::MP::Kernel::CONFIG->{connect_interval}; 147 my $interval = $AnyEvent::MP::Kernel::CONFIG->{connect_interval};
149 148
150 $interval = ($monitor - $interval) / @$addresses 149 $interval = ($monitor - $interval) / @$addresses
… …
155 my @endpoints = reverse @$addresses; 154 my @endpoints = reverse @$addresses;
156 155
157 $self->{connect_w} = AE::timer 0, $interval * (0.9 + 0.1 * rand), sub { 156 $self->{connect_w} = AE::timer 0, $interval * (0.9 + 0.1 * rand), sub {
158 my $endpoint = pop @endpoints; 157 my $endpoint = pop @endpoints;
159 158
160 $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} at $endpoint"); 159 AE::log 9 => "connecting to $self->{id} at $endpoint";
161 160
162 $self->{trial}{$endpoint} ||= do { 161 $self->{trial}{$endpoint} ||= do {
163 my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint 162 my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint
164 or return $AnyEvent::MP::Kernel::WARN->(1, "$self->{id}: not a resolved node reference."); 163 or return AE::log critical => "$self->{id}: '$endpoint' is not a resolved node reference.";
165 164
166 AnyEvent::MP::Transport::mp_connect 165 AnyEvent::MP::Transport::mp_connect
167 $host, $port, 166 $host, $port,
168 sub { delete $self->{trial}{$endpoint} }, 167 sub { delete $self->{trial}{$endpoint} },
169 }; 168 };
170 }; 169 };
171} 170}
172 171
173sub connect {
174 my ($self) = @_;
175
176 return if $self->{transport};
177 return if $self->{connect_w};
178
179 Scalar::Util::weaken $self;
180
181 my $monitor = $AnyEvent::MP::Kernel::CONFIG->{monitor_timeout};
182
183 $self->{connect_to} ||= AE::timer $monitor, 0, sub {
184 $self->transport_error (transport_error => $self->{id}, "unable to connect");
185 };
186
187 # maybe @$addresses?
188 my @addresses = @{ $AnyEvent::MP::Kernel::GLOBAL_DB{"'l"}{$self->{id}} };
189
190 unless (@addresses) {
191 # on global nodes, all bets are off now - we either know the node, or we don't
192 unless ($AnyEvent::MP::Kernel::GLOBAL) {
193 AnyEvent::MP::Kernel::g_find ($self->{id});
194 }
195 return;
196 }
197
198 $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} with [@addresses]");
199
200 my $interval = $AnyEvent::MP::Kernel::CONFIG->{connect_interval};
201
202 $interval = ($monitor - $interval) / @addresses
203 if ($monitor - $interval) / @addresses < $interval;
204
205 $interval = 0.4 if $interval < 0.4;
206
207 my @endpoints;
208
209 $self->{connect_w} = AE::timer 0, $interval * (0.9 + 0.1 * rand), sub {
210 @endpoints = @addresses
211 unless @endpoints;
212
213 my $endpoint = shift @endpoints;
214
215 $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} at $endpoint");
216
217 $self->{trial}{$endpoint} ||= do {
218 my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint
219 or return $AnyEvent::MP::Kernel::WARN->(1, "$self->{id}: not a resolved node reference.");
220
221 AnyEvent::MP::Transport::mp_connect
222 $host, $port,
223 sub { delete $self->{trial}{$endpoint} },
224 };
225 };
226}
227
228sub kill { 172sub kill {
229 my ($self, $port, @reason) = @_; 173 my ($self, $port, @reason) = @_;
230 174
231 $self->{send} (["", kil => $port, @reason]); 175 $self->{send} (["", kil => $port, @reason]);
232} 176}
… …
254 $self->send (["", mon0 => $portid]); 198 $self->send (["", mon0 => $portid]);
255 delete $self->{monitor}{$portid}; 199 delete $self->{monitor}{$portid};
256 } 200 }
257} 201}
258 202
259package AnyEvent::MP::Node::Self; 203package AnyEvent::MP::Node::Self; # the local node
260 204
261use base "AnyEvent::MP::Node"; 205use base "AnyEvent::MP::Node";
262 206
263sub connect { 207sub connect {
264 # we are trivially connected 208 # we are trivially connected
… …
267# delay every so often to avoid recursion, also used to delay after spawn 211# delay every so often to avoid recursion, also used to delay after spawn
268our $DELAY = -50; 212our $DELAY = -50;
269our @DELAY; 213our @DELAY;
270our $DELAY_W; 214our $DELAY_W;
271 215
272sub _send_delayed { 216our $send_delayed = sub {
273 local $AnyEvent::MP::Kernel::SRCNODE = $AnyEvent::MP::Kernel::NODE{""}; 217 $AnyEvent::MP::Kernel::SRCNODE = $AnyEvent::MP::Kernel::NODE;
274 (shift @DELAY)->() 218 (shift @DELAY)->()
275 while @DELAY; 219 while @DELAY;
276 undef $DELAY_W; 220 undef $DELAY_W;
277 $DELAY = -50; 221 $DELAY = -50;
278} 222};
279 223
280sub transport_reset { 224sub transport_reset {
281 my ($self) = @_; 225 my ($self) = @_;
282 226
283 Scalar::Util::weaken $self; 227 Scalar::Util::weaken $self;
284 228
285 $self->{send} = sub { 229 $self->{send} = sub {
286 if ($DELAY++ >= 0) { 230 if (++$DELAY > 0) {
287 my $msg = $_[0]; 231 my $msg = $_[0];
288 push @DELAY, sub { AnyEvent::MP::Kernel::_inject (@$msg) }; 232 push @DELAY, sub { AnyEvent::MP::Kernel::_inject (@$msg) };
289 $DELAY_W ||= AE::timer 0, 0, \&_send_delayed; 233 $DELAY_W ||= AE::timer 0, 0, $send_delayed;
290 return; 234 return;
291 } 235 }
292 236
293 local $AnyEvent::MP::Kernel::SRCNODE = $self; 237 local $AnyEvent::MP::Kernel::SRCNODE = $AnyEvent::MP::Kernel::NODE;
294 AnyEvent::MP::Kernel::_inject (@{ $_[0] }); 238 AnyEvent::MP::Kernel::_inject (@{ $_[0] });
295 }; 239 };
296} 240}
297 241
298sub transport_connect { 242sub transport_connect {
299 my ($self, $tp) = @_; 243 my ($self, $tp) = @_;
300 244
301 $AnyEvent::MP::Kernel::WARN->(9, "I refuse to talk to myself ($tp->{peerhost}:$tp->{peerport})"); 245 AE::log 9 => "I refuse to talk to myself ($tp->{peerhost}:$tp->{peerport})";
302} 246}
303 247
304sub kill { 248sub kill {
305 my (undef, @args) = @_; 249 my (undef, @args) = @_;
306 250
307 # we _always_ delay kil's, to avoid calling mon callbacks 251 # we _always_ delay kil's, to avoid calling mon callbacks
308 # from anything but the event loop context. 252 # from anything but the event loop context.
309 $DELAY = 1; 253 $DELAY = 1;
310 push @DELAY, sub { AnyEvent::MP::Kernel::_kill (@args) }; 254 push @DELAY, sub { AnyEvent::MP::Kernel::_kill (@args) };
311 $DELAY_W ||= AE::timer 0, 0, \&_send_delayed; 255 $DELAY_W ||= AE::timer 0, 0, $send_delayed;
312} 256}
313 257
314sub monitor { 258sub monitor {
315 # maybe always delay, too? 259 # maybe always delay, too?
316 if ($DELAY_W) { 260 if ($DELAY_W) {

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