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Comparing AnyEvent-MP/MP/Node.pm (file contents):
Revision 1.20 by root, Thu Aug 13 00:23:36 2009 UTC vs.
Revision 1.31 by root, Fri Aug 28 23:06:33 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
… …
19use AnyEvent::Socket (); 21use AnyEvent::Socket ();
20 22
21use AnyEvent::MP::Transport (); 23use AnyEvent::MP::Transport ();
22 24
23sub new { 25sub new {
24 my ($self, $noderef) = @_; 26 my ($self, $id) = @_;
25 27
26 $self = bless { noderef => $noderef }, $self; 28 $self = bless { id => $id }, $self;
27 29
30 $self->init;
28 $self->transport_reset; 31 $self->transport_reset;
29 32
30 $self 33 $self
34}
35
36sub init {
37 #
31} 38}
32 39
33sub send { 40sub send {
34 &{ shift->{send} } 41 &{ shift->{send} }
35} 42}
36 43
44# nodes reachable via the network
37package AnyEvent::MP::Node::External; 45package AnyEvent::MP::Node::External;
38 46
39use base "AnyEvent::MP::Node"; 47use base "AnyEvent::MP::Node";
40 48
41# called at init time, mostly sets {send} 49# called at init time, mostly sets {send}
… …
54 62
55# called only after successful handshake 63# called only after successful handshake
56sub transport_error { 64sub transport_error {
57 my ($self, @reason) = @_; 65 my ($self, @reason) = @_;
58 66
59 $self->{transport} 67 my $no_transport = !$self->{transport};
60 or return; 68
69 delete $self->{connect_w};
70 delete $self->{connect_to};
61 71
62 delete $self->{queue}; 72 delete $self->{queue};
63 $self->transport_reset; 73 $self->transport_reset;
64
65 AnyEvent::MP::Kernel::_inject_nodeevent ($self, 0, @reason);
66 74
67 if (my $mon = delete $self->{lmon}) { 75 if (my $mon = delete $self->{lmon}) {
68 $_->(@reason) for map @$_, values %$mon; 76 $_->(@reason) for map @$_, values %$mon;
69 } 77 }
78
79 AnyEvent::MP::Kernel::_inject_nodeevent ($self, 0, @reason)
80 unless $no_transport;
70} 81}
71 82
72# called after handshake was successful 83# called after handshake was successful
73sub transport_connect { 84sub transport_connect {
74 my ($self, $transport) = @_; 85 my ($self, $transport) = @_;
75 86
87 delete $self->{trial};
88
76 $self->transport_error (transport_error => "switched connections") 89 $self->transport_error (transport_error => "switched connections")
77 if $self->{transport}; 90 if $self->{transport};
78 91
79 delete $self->{connect_w}; 92 delete $self->{connect_w};
80 delete $self->{connect_to}; 93 delete $self->{connect_to};
… …
92 $transport->send ($_) 105 $transport->send ($_)
93 for @{ delete $self->{queue} || [] }; 106 for @{ delete $self->{queue} || [] };
94} 107}
95 108
96sub connect { 109sub connect {
97 my ($self) = @_; 110 my ($self, @addresses) = @_;
111
112 return if $self->{transport};
98 113
99 Scalar::Util::weaken $self; 114 Scalar::Util::weaken $self;
100 115
101 $self->{connect_to} ||= AE::timer 116 $self->{connect_to} ||= AE::timer
102 $AnyEvent::MP::Config::CFG{monitor_timeout} || $AnyEvent::MP::Kernel::MONITOR_TIMEOUT, 117 $AnyEvent::MP::Config::CFG{monitor_timeout} || $AnyEvent::MP::Kernel::MONITOR_TIMEOUT,
103 0, 118 0,
104 sub { 119 sub {
105 $self->transport_error (transport_error => $self->{noderef}, "unable to connect"); 120 $self->transport_error (transport_error => $self->{id}, "unable to connect");
106 }; 121 };
122
123 return unless @addresses;
124
125 $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} with [@addresses]");
107 126
108 unless ($self->{connect_w}) { 127 unless ($self->{connect_w}) {
109 my @endpoints; 128 my @endpoints;
110 my %trial;
111 129
112 $self->{connect_w} = AE::timer 130 $self->{connect_w} = AE::timer
113 0, 131 rand,
114 $AnyEvent::MP::Config::CFG{connect_interval} || $AnyEvent::MP::Kernel::CONNECT_INTERVAL, 132 $AnyEvent::MP::Config::CFG{connect_interval} || $AnyEvent::MP::Kernel::CONNECT_INTERVAL,
115 sub { 133 sub {
116 @endpoints = split /,/, $self->{noderef} 134 @endpoints = @addresses
117 unless @endpoints; 135 unless @endpoints;
118 136
119 my $endpoint = shift @endpoints; 137 my $endpoint = shift @endpoints;
120 138
139 $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} at $endpoint");
140
121 $trial{$endpoint} ||= do { 141 $self->{trial}{$endpoint} ||= do {
122 my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint 142 my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint
123 or return $AnyEvent::MP::Kernel::WARN->("$self->{noderef}: not a resolved node reference."); 143 or return $AnyEvent::MP::Kernel::WARN->(1, "$self->{id}: not a resolved node reference.");
124 144
125 AnyEvent::MP::Transport::mp_connect 145 AnyEvent::MP::Transport::mp_connect
126 $host, $port, 146 $host, $port,
127 sub { delete $trial{$endpoint} } 147 sub { delete $self->{trial}{$endpoint} },
128 ;
129 }; 148 };
130 } 149 }
131 ; 150 ;
132 } 151 }
133} 152}
… …
142 my ($self, $portid, $cb) = @_; 161 my ($self, $portid, $cb) = @_;
143 162
144 my $list = $self->{lmon}{$portid} ||= []; 163 my $list = $self->{lmon}{$portid} ||= [];
145 164
146 $self->send (["", mon1 => $portid]) 165 $self->send (["", mon1 => $portid])
147 unless @$list; 166 unless @$list || !length $portid;
148 167
149 push @$list, $cb; 168 push @$list, $cb;
150} 169}
151 170
152sub unmonitor { 171sub unmonitor {
… …
161 $self->send (["", mon0 => $portid]); 180 $self->send (["", mon0 => $portid]);
162 delete $self->{monitor}{$portid}; 181 delete $self->{monitor}{$portid};
163 } 182 }
164} 183}
165 184
185# used for direct slave connections as well
166package AnyEvent::MP::Node::Direct; 186package AnyEvent::MP::Node::Direct;
167 187
168use base "AnyEvent::MP::Node::External"; 188use base "AnyEvent::MP::Node::External";
169
170package AnyEvent::MP::Node::Indirect;
171
172use base "AnyEvent::MP::Node::Direct";
173
174sub connect {
175 my ($self) = @_;
176
177 $self->transport_error (transport_error => $self->{noderef}, "unable to connect to indirect node");
178}
179 189
180package AnyEvent::MP::Node::Self; 190package AnyEvent::MP::Node::Self;
181 191
182use base "AnyEvent::MP::Node"; 192use base "AnyEvent::MP::Node";
183 193
… …
194 local $AnyEvent::MP::Kernel::SRCNODE = $self; 204 local $AnyEvent::MP::Kernel::SRCNODE = $self;
195 AnyEvent::MP::Kernel::_inject (@{ $_[0] }); 205 AnyEvent::MP::Kernel::_inject (@{ $_[0] });
196 }; 206 };
197} 207}
198 208
209sub transport_connect {
210 my ($self, $tp) = @_;
211
212 $AnyEvent::MP::Kernel::WARN->(9, "I refuse to talk to myself ($tp->{peerhost}:$tp->{peerport})");
213}
214
199sub kill { 215sub kill {
200 my ($self, $port, @reason) = @_; 216 my ($self, $port, @reason) = @_;
201 217
202 delete $AnyEvent::MP::Kernel::PORT{$port}; 218 delete $AnyEvent::MP::Kernel::PORT{$port};
203 delete $AnyEvent::MP::Kernel::PORT_DATA{$port}; 219 delete $AnyEvent::MP::Kernel::PORT_DATA{$port};
204 220
205 my $mon = delete $AnyEvent::MP::Kernel::LMON{$port} 221 my $mon = delete $AnyEvent::MP::Kernel::LMON{$port}
206 or !@reason 222 or !@reason
207 or $AnyEvent::MP::Kernel::WARN->("unmonitored local port $port died with reason: @reason"); 223 or $AnyEvent::MP::Kernel::WARN->(2, "unmonitored local port $port died with reason: @reason");
208 224
209 $_->(@reason) for values %$mon; 225 $_->(@reason) for values %$mon;
210} 226}
211 227
212sub monitor { 228sub monitor {

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