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Comparing AnyEvent-MP/MP/Node.pm (file contents):
Revision 1.54 by root, Wed Feb 29 18:44:59 2012 UTC vs.
Revision 1.64 by root, Fri Mar 23 21:16:25 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 {
… …
92 delete $self->{trial}; 91 delete $self->{trial};
93 92
94 $self->transport_error (transport_error => $self->{id}, "switched connections") 93 $self->transport_error (transport_error => $self->{id}, "switched connections")
95 if $self->{transport}; 94 if $self->{transport};
96 95
97 delete $self->{connect_addr};
98 delete $self->{connect_w}; 96 delete $self->{connect_w};
99 delete $self->{connect_to}; 97 delete $self->{connect_to};
100 98
101 $self->{transport} = $transport; 99 $self->{transport} = $transport;
102 100
… …
112 110
113sub connect { 111sub connect {
114 my ($self) = @_; 112 my ($self) = @_;
115 113
116 return if $self->{transport}; 114 return if $self->{transport};
115 return if $self->{connect_w};
117 116
118 Scalar::Util::weaken $self; 117 Scalar::Util::weaken $self;
118 use Carp;Carp::cluck;#d#
119 119
120 my $monitor = $AnyEvent::MP::Kernel::CONFIG->{monitor_timeout}; 120 $self->{connect_to} ||= AE::timer $AnyEvent::MP::Kernel::CONFIG->{connect_interval}, 0, sub {
121
122 $self->{connect_to} ||= AE::timer $monitor, 0, sub {
123 $self->transport_error (transport_error => $self->{id}, "unable to connect"); 121 $self->transport_error (transport_error => $self->{id}, "unable to connect");
124 }; 122 };
125 123
126 # maybe @$addresses? 124 # maybe @$addresses?
127 my @addresses = @{
128 $AnyEvent::MP::Kernel::GLOBAL_ADDR->{$self->{id}} 125 my $addresses = $AnyEvent::MP::Kernel::GLOBAL_DB{"'l"}{$self->{id}};
129 || $AnyEvent::MP::Kernel::NODE_ADDR->{$self->{id}}
130 };
131 126
132 unless (@addresses) { 127 if ($addresses) {
128 $self->connect_to ($addresses);
129 } else {
133 # on global nodes, all betsa re off now - we either know the node, or we don't 130 # on global nodes, all bets are off now - we either know the node, or we don't
134 unless ($AnyEvent::MP::Kernel::GLOBAL) { 131 unless ($AnyEvent::MP::Kernel::GLOBAL) {
135 $self->{connect_w} = AnyEvent::MP::Kernel::global_req ( 132 AnyEvent::MP::Kernel::g_find ($self->{id});
136 g_find => $self->{id},
137 sub {
138 return unless $self; # just to be sure
139 return unless @{ $_[0] };
140
141 local $AnyEvent::MP::Kernel::GLOBAL_ADDR->{$self->{id}} = $_[0]; #d# UGLY
142 $self->connect;
143 }
144 );
145 } 133 }
134 }
135}
146 136
147 return; 137sub connect_to {
138 my ($self, $addresses) = @_;
139
140 return if $self->{transport};
141 return if $self->{connect_w};
142
143 return unless @$addresses;
148 } 144
149
150 $self->{connect_addr} = \@addresses; # a bit weird, but efficient
151
152 $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} with [@addresses]"); 145 AE::log 9 => "connecting to $self->{id} with [@$addresses]";
153 146
147 my $monitor = $AnyEvent::MP::Kernel::CONFIG->{monitor_timeout};
154 my $interval = $AnyEvent::MP::Kernel::CONFIG->{connect_interval}; 148 my $interval = $AnyEvent::MP::Kernel::CONFIG->{connect_interval};
155 149
156 $interval = ($monitor - $interval) / @addresses 150 $interval = ($monitor - $interval) / @$addresses
157 if ($monitor - $interval) / @addresses < $interval; 151 if ($monitor - $interval) / @$addresses < $interval;
158 152
159 $interval = 0.4 if $interval < 0.4; 153 $interval = 0.4 if $interval < 0.4;
160 154
161 my @endpoints; 155 my @endpoints = reverse @$addresses;
162 156
163 $self->{connect_w} = AE::timer 0.050 * rand, $interval * (0.9 + 0.1 * rand), sub { 157 $self->{connect_w} = AE::timer 0, $interval * (0.9 + 0.1 * rand), sub {
164 @endpoints = @addresses
165 unless @endpoints;
166
167 my $endpoint = shift @endpoints; 158 my $endpoint = pop @endpoints;
168 159
169 $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} at $endpoint"); 160 AE::log 9 => "connecting to $self->{id} at $endpoint";
170 161
171 $self->{trial}{$endpoint} ||= do { 162 $self->{trial}{$endpoint} ||= do {
172 my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint 163 my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint
173 or return $AnyEvent::MP::Kernel::WARN->(1, "$self->{id}: not a resolved node reference."); 164 or return AE::log critical => "$self->{id}: '$endpoint' is not a resolved node reference.";
174 165
175 AnyEvent::MP::Transport::mp_connect 166 AnyEvent::MP::Transport::mp_connect
176 $host, $port, 167 $host, $port,
177 sub { delete $self->{trial}{$endpoint} }, 168 sub { delete $self->{trial}{$endpoint} },
178 }; 169 };
… …
208 $self->send (["", mon0 => $portid]); 199 $self->send (["", mon0 => $portid]);
209 delete $self->{monitor}{$portid}; 200 delete $self->{monitor}{$portid};
210 } 201 }
211} 202}
212 203
213package AnyEvent::MP::Node::Self; 204package AnyEvent::MP::Node::Self; # the local node
214 205
215use base "AnyEvent::MP::Node"; 206use base "AnyEvent::MP::Node";
216 207
217sub connect { 208sub connect {
218 # we are trivially connected 209 # we are trivially connected
… …
221# delay every so often to avoid recursion, also used to delay after spawn 212# delay every so often to avoid recursion, also used to delay after spawn
222our $DELAY = -50; 213our $DELAY = -50;
223our @DELAY; 214our @DELAY;
224our $DELAY_W; 215our $DELAY_W;
225 216
226sub _send_delayed { 217our $send_delayed = sub {
227 local $AnyEvent::MP::Kernel::SRCNODE = $AnyEvent::MP::Kernel::NODE{""}; 218 $AnyEvent::MP::Kernel::SRCNODE = $AnyEvent::MP::Kernel::NODE;
228 (shift @DELAY)->() 219 (shift @DELAY)->()
229 while @DELAY; 220 while @DELAY;
230 undef $DELAY_W; 221 undef $DELAY_W;
231 $DELAY = -50; 222 $DELAY = -50;
232} 223};
233 224
234sub transport_reset { 225sub transport_reset {
235 my ($self) = @_; 226 my ($self) = @_;
236 227
237 Scalar::Util::weaken $self; 228 Scalar::Util::weaken $self;
238 229
239 $self->{send} = sub { 230 $self->{send} = sub {
240 if ($DELAY++ >= 0) { 231 if (++$DELAY > 0) {
241 my $msg = $_[0]; 232 my $msg = $_[0];
242 push @DELAY, sub { AnyEvent::MP::Kernel::_inject (@$msg) }; 233 push @DELAY, sub { AnyEvent::MP::Kernel::_inject (@$msg) };
243 $DELAY_W ||= AE::timer 0, 0, \&_send_delayed; 234 $DELAY_W ||= AE::timer 0, 0, $send_delayed;
244 return; 235 return;
245 } 236 }
246 237
247 local $AnyEvent::MP::Kernel::SRCNODE = $self; 238 local $AnyEvent::MP::Kernel::SRCNODE = $AnyEvent::MP::Kernel::NODE;
248 AnyEvent::MP::Kernel::_inject (@{ $_[0] }); 239 AnyEvent::MP::Kernel::_inject (@{ $_[0] });
249 }; 240 };
250} 241}
251 242
252sub transport_connect { 243sub transport_connect {
253 my ($self, $tp) = @_; 244 my ($self, $tp) = @_;
254 245
255 $AnyEvent::MP::Kernel::WARN->(9, "I refuse to talk to myself ($tp->{peerhost}:$tp->{peerport})"); 246 AE::log 9 => "I refuse to talk to myself ($tp->{peerhost}:$tp->{peerport})";
256} 247}
257 248
258sub kill { 249sub kill {
259 my (undef, @args) = @_; 250 my (undef, @args) = @_;
260 251
261 # we _always_ delay kil's, to avoid calling mon callbacks 252 # we _always_ delay kil's, to avoid calling mon callbacks
262 # from anything but the event loop context. 253 # from anything but the event loop context.
263 $DELAY = 1; 254 $DELAY = 1;
264 push @DELAY, sub { AnyEvent::MP::Kernel::_kill (@args) }; 255 push @DELAY, sub { AnyEvent::MP::Kernel::_kill (@args) };
265 $DELAY_W ||= AE::timer 0, 0, \&_send_delayed; 256 $DELAY_W ||= AE::timer 0, 0, $send_delayed;
266} 257}
267 258
268sub monitor { 259sub monitor {
269 # maybe always delay, too? 260 # maybe always delay, too?
270 if ($DELAY_W) { 261 if ($DELAY_W) {

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