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Comparing AnyEvent-MP/MP/Node.pm (file contents):
Revision 1.30 by root, Fri Aug 28 20:57:42 2009 UTC vs.
Revision 1.40 by root, Tue Sep 8 20:56:05 2009 UTC

1=head1 NAME 1=head1 NAME
2 2
3AnyEvent::MP::Node - a single processing node (CPU/process...) 3AnyEvent::MP::Node - represent a node
4 4
5=head1 SYNOPSIS 5=head1 SYNOPSIS
6 6
7 use AnyEvent::MP::Node; 7 use AnyEvent::MP::Node;
8 8
9=head1 DESCRIPTION 9=head1 DESCRIPTION
10
11This is an internal utility module, horrible to look at, so don't.
10 12
11=cut 13=cut
12 14
13package AnyEvent::MP::Node; 15package AnyEvent::MP::Node;
14 16
… …
56 push @{$self->{queue}}, shift; 58 push @{$self->{queue}}, shift;
57 $self->connect; 59 $self->connect;
58 }; 60 };
59} 61}
60 62
61# called only after successful handshake 63# called each time we fail to establish a connection,
64# or the existing connection failed
62sub transport_error { 65sub transport_error {
63 my ($self, @reason) = @_; 66 my ($self, @reason) = @_;
64 67
65 my $no_transport = !$self->{transport}; 68 my $no_transport = !$self->{transport};
66 69
… …
74 $_->(@reason) for map @$_, values %$mon; 77 $_->(@reason) for map @$_, values %$mon;
75 } 78 }
76 79
77 AnyEvent::MP::Kernel::_inject_nodeevent ($self, 0, @reason) 80 AnyEvent::MP::Kernel::_inject_nodeevent ($self, 0, @reason)
78 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} || $self->{connect_to};
79} 86}
80 87
81# called after handshake was successful 88# called after handshake was successful
82sub transport_connect { 89sub transport_connect {
83 my ($self, $transport) = @_; 90 my ($self, $transport) = @_;
… …
109 116
110 return if $self->{transport}; 117 return if $self->{transport};
111 118
112 Scalar::Util::weaken $self; 119 Scalar::Util::weaken $self;
113 120
121 my $monitor = $AnyEvent::MP::Kernel::CONFIG->{monitor_timeout};
122
114 $self->{connect_to} ||= AE::timer 123 $self->{connect_to} ||= AE::timer $monitor, 0, sub {
115 $AnyEvent::MP::Config::CFG{monitor_timeout} || $AnyEvent::MP::Kernel::MONITOR_TIMEOUT,
116 0,
117 sub {
118 $self->transport_error (transport_error => $self->{id}, "unable to connect"); 124 $self->transport_error (transport_error => $self->{id}, "unable to connect");
125 };
126
127 return unless @addresses;
128 return if $self->{connect_w};
129
130 $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} with [@addresses]");
131
132 my $interval = $AnyEvent::MP::Kernel::CONFIG->{connect_interval};
133
134 $interval = ($monitor - $interval) / @addresses
135 if ($monitor - $interval) / @addresses < $interval;
136
137 $interval = 0.4 if $interval < 0.4;
138
139 my @endpoints;
140
141 $self->{connect_w} = AE::timer 0.050 * rand, $interval * (0.9 + 0.1 * rand), sub {
142 @endpoints = @addresses
143 unless @endpoints;
144
145 my $endpoint = shift @endpoints;
146
147 $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} at $endpoint");
148
149 $self->{trial}{$endpoint} ||= do {
150 my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint
151 or return $AnyEvent::MP::Kernel::WARN->(1, "$self->{id}: not a resolved node reference.");
152
153 AnyEvent::MP::Transport::mp_connect
154 $host, $port,
155 sub { delete $self->{trial}{$endpoint} },
119 }; 156 };
120
121 return unless @addresses;
122
123 $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} with [@addresses]");
124
125 unless ($self->{connect_w}) {
126 my @endpoints;
127
128 $self->{connect_w} = AE::timer
129 rand,
130 $AnyEvent::MP::Config::CFG{connect_interval} || $AnyEvent::MP::Kernel::CONNECT_INTERVAL,
131 sub {
132 @endpoints = @addresses
133 unless @endpoints;
134
135 my $endpoint = shift @endpoints;
136
137 $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} at $endpoint");
138
139 $self->{trial}{$endpoint} ||= do {
140 my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint
141 or return $AnyEvent::MP::Kernel::WARN->(1, "$self->{id}: not a resolved node reference.");
142
143 AnyEvent::MP::Transport::mp_connect
144 $host, $port,
145 sub { delete $self->{trial}{$endpoint} },
146 };
147 }
148 ;
149 } 157 };
150} 158}
151 159
152sub kill { 160sub kill {
153 my ($self, $port, @reason) = @_; 161 my ($self, $port, @reason) = @_;
154 162
… …
191 199
192sub connect { 200sub connect {
193 # we are trivially connected 201 # we are trivially connected
194} 202}
195 203
204# delay every so often to avoid recursion, also used to delay after spawn
205our $DELAY;
206our @DELAY;
207our $DELAY_W;
208
209sub _send_delayed {
210 local $AnyEvent::MP::Kernel::SRCNODE = $AnyEvent::MP::Kernel::NODE{""};
211 (shift @DELAY)->()
212 while @DELAY;
213 undef $DELAY_W;
214 $DELAY = -50;
215}
216
196sub transport_reset { 217sub transport_reset {
197 my ($self) = @_; 218 my ($self) = @_;
198 219
199 Scalar::Util::weaken $self; 220 Scalar::Util::weaken $self;
200 221
201 $self->{send} = sub { 222 $self->{send} = sub {
223 if ($DELAY++ >= 0) {
224 my $msg = $_[0];
225 push @DELAY, sub { AnyEvent::MP::Kernel::_inject (@$msg) };
226 $DELAY_W ||= AE::timer 0, 0, \&_send_delayed;
227 return;
228 }
229
202 local $AnyEvent::MP::Kernel::SRCNODE = $self; 230 local $AnyEvent::MP::Kernel::SRCNODE = $self;
203 AnyEvent::MP::Kernel::_inject (@{ $_[0] }); 231 AnyEvent::MP::Kernel::_inject (@{ $_[0] });
204 }; 232 };
205} 233}
206 234
… …
211} 239}
212 240
213sub kill { 241sub kill {
214 my ($self, $port, @reason) = @_; 242 my ($self, $port, @reason) = @_;
215 243
244 my $delay_cb = sub {
216 delete $AnyEvent::MP::Kernel::PORT{$port}; 245 delete $AnyEvent::MP::Kernel::PORT{$port};
217 delete $AnyEvent::MP::Kernel::PORT_DATA{$port}; 246 delete $AnyEvent::MP::Kernel::PORT_DATA{$port};
218 247
219 my $mon = delete $AnyEvent::MP::Kernel::LMON{$port} 248 my $mon = delete $AnyEvent::MP::Kernel::LMON{$port}
220 or !@reason 249 or !@reason
221 or $AnyEvent::MP::Kernel::WARN->(2, "unmonitored local port $port died with reason: @reason"); 250 or $AnyEvent::MP::Kernel::WARN->(8, "unmonitored local port $port died with reason: @reason");
222 251
223 $_->(@reason) for values %$mon; 252 $_->(@reason) for values %$mon;
253 };
254
255 $DELAY_W ? push @DELAY, $delay_cb : &$delay_cb;
224} 256}
225 257
226sub monitor { 258sub monitor {
227 my ($self, $portid, $cb) = @_; 259 my ($self, $portid, $cb) = @_;
228 260
261 my $delay_cb = sub {
229 return $cb->(no_such_port => "cannot monitor nonexistent port") 262 return $cb->(no_such_port => "cannot monitor nonexistent port", "$self->{id}#$portid")
230 unless exists $AnyEvent::MP::Kernel::PORT{$portid}; 263 unless exists $AnyEvent::MP::Kernel::PORT{$portid};
231 264
232 $AnyEvent::MP::Kernel::LMON{$portid}{$cb+0} = $cb; 265 $AnyEvent::MP::Kernel::LMON{$portid}{$cb+0} = $cb;
266 };
267
268 $DELAY_W ? push @DELAY, $delay_cb : &$delay_cb;
233} 269}
234 270
235sub unmonitor { 271sub unmonitor {
236 my ($self, $portid, $cb) = @_; 272 my ($self, $portid, $cb) = @_;
237 273
274 my $delay_cb = sub {
238 delete $AnyEvent::MP::Kernel::LMON{$portid}{$cb+0}; 275 delete $AnyEvent::MP::Kernel::LMON{$portid}{$cb+0};
276 };
277
278 $DELAY_W ? push @DELAY, $delay_cb : &$delay_cb;
239} 279}
240 280
241=head1 SEE ALSO 281=head1 SEE ALSO
242 282
243L<AnyEvent::MP>. 283L<AnyEvent::MP>.

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