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Comparing AnyEvent-MP/MP/Node.pm (file contents):
Revision 1.4 by root, Sat Aug 1 15:04:30 2009 UTC vs.
Revision 1.18 by root, Wed Aug 12 21:39:59 2009 UTC

… …
13package AnyEvent::MP::Node; 13package AnyEvent::MP::Node;
14 14
15use common::sense; 15use common::sense;
16 16
17use AE (); 17use AE ();
18use AnyEvent::Util ();
18use AnyEvent::Socket (); 19use AnyEvent::Socket ();
19 20
20use AnyEvent::MP::Transport (); 21use AnyEvent::MP::Transport ();
21 22
22use base Exporter::;
23
24our $VERSION = '0.0';
25
26sub new { 23sub new {
27 my ($class, $noderef) = @_; 24 my ($self, $noderef) = @_;
28 25
29 bless { noderef => $noderef }, $class 26 $self = bless { noderef => $noderef }, $self;
30}
31 27
28 $self->transport_reset;
29
30 $self
31}
32
33sub send {
34 &{$_[0]->{send}}
35}
36
32package AnyEvent::MP::Node::Direct; 37package AnyEvent::MP::Node::External;
33 38
34use base "AnyEvent::MP::Node"; 39use base "AnyEvent::MP::Node";
35 40
36sub send { 41# called at init time, mostly sets {send}
42sub transport_reset {
37 my ($self, $msg) = @_; 43 my ($self) = @_;
38 44
39 if ($self->{transport}) { 45 delete $self->{transport};
40 $self->{transport}->send ($msg); 46
41 } elsif ($self->{queue}) { 47 $self->{send} = sub {
42 push @{ $self->{queue} }, $msg; 48 push @{$_[0]{queue}}, $_[1];
43 } else {
44 $self->{queue} = [$msg];
45 $self->connect; 49 $_[0]->connect;
50 };
51}
52
53# called only after successful handshake
54sub transport_error {
55 my ($self, @reason) = @_;
56
57 delete $self->{queue};
58 $self->transport_reset;
59
60 if (my $mon = delete $self->{lmon}) {
61 $_->(@reason) for map @$_, values %$mon;
46 } 62 }
47} 63}
48 64
49sub set_transport { 65# called after handshake was successful
66sub transport_connect {
50 my ($self, $transport) = @_; 67 my ($self, $transport) = @_;
51 68
52 delete $self->{trial}; 69 $self->transport_reset
70 if $self->{transport};
71
53 delete $self->{next_connect}; 72 delete $self->{connect_w};
73 delete $self->{connect_to};
54 74
55 if (
56 exists $self->{remote_uniq}
57 && $self->{remote_uniq} ne $transport->{remote_uniq}
58 ) {
59 # uniq changed, drop queue
60 delete $self->{queue};
61 #TODO: "DOWN"
62 }
63
64 $self->{remote_uniq} = $transport->{remote_uniq};
65 $self->{transport} = $transport; 75 $self->{transport} = $transport;
76
77 $self->{send} = sub {
78 $transport->send ($_[1]);
79 };
66 80
67 $transport->send ($_) 81 $transport->send ($_)
68 for @{ delete $self->{queue} || [] }; 82 for @{ delete $self->{queue} || [] };
69} 83}
70 84
71sub clr_transport {
72 my ($self) = @_;
73
74 delete $self->{transport};
75
76 $self->connect;
77}
78
79sub connect { 85sub connect {
80 my ($self) = @_; 86 my ($self) = @_;
81 87
82 Scalar::Util::weaken $self; 88 Scalar::Util::weaken $self;
83 89
84 unless (exists $self->{n_noderef}) { 90 $self->{connect_to} ||= AE::timer
85 (AnyEvent::MP::normalise_noderef ($self->{noderef}))->cb (sub { 91 $AnyEvent::MP::Config::CFG{monitor_timeout} || $AnyEvent::MP::Kernel::MONITOR_TIMEOUT,
86 $self or return; 92 0,
87 my $noderef = shift->recv; 93 sub {
88 94 $self->transport_error (transport_error => $self->{noderef}, "unable to connect");
89 $self->{n_noderef} = $noderef;
90
91 $AnyEvent::MP::NODE{$_} = $self
92 for split /,/, $noderef;
93
94 $self->connect;
95 }); 95 };
96 return; 96
97 unless ($self->{connect_w}) {
98 my @endpoints;
99 my %trial;
100
101 $self->{connect_w} = AE::timer
102 0,
103 $AnyEvent::MP::Config::CFG{connect_interval} || $AnyEvent::MP::Kernel::CONNECT_INTERVAL,
104 sub {
105 @endpoints = split /,/, $self->{noderef}
106 unless @endpoints;
107
108 my $endpoint = shift @endpoints;
109
110 $trial{$endpoint} ||= do {
111 my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint
112 or return $AnyEvent::MP::Kernel::WARN->("$self->{noderef}: not a resolved node reference.");
113
114 AnyEvent::MP::Transport::mp_connect
115 $host, $port,
116 sub { delete $trial{$endpoint} }
117 ;
118 };
119 }
120 ;
97 } 121 }
122}
98 123
99 $self->{retry} ||= [split /,/, $self->{n_noderef}]; 124sub kill {
125 my ($self, $port, @reason) = @_;
100 126
101 my $endpoint = shift @{ $self->{retry} }; 127 $self->send (["", kil => $port, @reason]);
128}
102 129
103 if (defined $endpoint) { 130sub monitor {
104 $self->{trial}{$endpoint} ||= do { 131 my ($self, $portid, $cb) = @_;
105 my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint 132
133 my $list = $self->{lmon}{$portid} ||= [];
134
135 $self->send (["", mon1 => $portid])
136 unless @$list;
137
138 push @$list, $cb;
139}
140
141sub unmonitor {
142 my ($self, $portid, $cb) = @_;
143
144 my $list = $self->{lmon}{$portid}
106 or return; 145 or return;
107 146
108 my ($w, $g); 147 @$list = grep $_ != $cb, @$list;
109 148
110 $w = AE::timer $AnyEvent::MP::CONNECT_TIMEOUT, 0, sub { 149 unless (@$list) {
111 delete $self->{trial}{$endpoint}; 150 $self->send (["", mon0 => $portid]);
112 }; 151 delete $self->{monitor}{$portid};
113 $g = AnyEvent::MP::Transport::mp_connect
114 $host, $port,
115 sub {
116 delete $self->{trial}{$endpoint}
117 unless @_;
118 $g = shift;
119 };
120 ;
121
122 [$w, \$g]
123 };
124 } else {
125 delete $self->{retry};
126 } 152 }
153}
127 154
128 $self->{next_connect} = AE::timer $AnyEvent::MP::CONNECT_INTERVAL, 0, sub { 155package AnyEvent::MP::Node::Direct;
129 $self->connect; 156
157use base "AnyEvent::MP::Node::External";
158
159package AnyEvent::MP::Node::Indirect;
160
161use base "AnyEvent::MP::Node::Direct";
162
163sub connect {
164 my ($self) = @_;
165
166 $self->transport_error (transport_error => $self->{noderef}, "unable to connect to indirect node");
167}
168
169package AnyEvent::MP::Node::Self;
170
171use base "AnyEvent::MP::Node";
172
173sub transport_reset {
174 my ($self) = @_;
175
176 $self->{send} = sub {
177 local $AnyEvent::MP::Kernel::SRCNODE = $_[0];
178 AnyEvent::MP::Kernel::_inject (@{ $_[1] });
130 }; 179 };
131} 180}
132 181
133package AnyEvent::MP::Node::Self; 182sub kill {
183 my ($self, $port, @reason) = @_;
134 184
135use base "AnyEvent::MP::Node"; 185 delete $AnyEvent::MP::Kernel::PORT{$port};
186 delete $AnyEvent::MP::Kernel::PORT_DATA{$port};
136 187
137sub set_transport { 188 my $mon = delete $AnyEvent::MP::Kernel::LMON{$port}
138 die "FATAL error, set_transport was called"; 189 or !@reason
139} 190 or $AnyEvent::MP::Kernel::WARN->("unmonitored local port $port died with reason: @reason");
140 191
141sub send { 192 $_->(@reason) for values %$mon;
142 AnyEvent::MP::_inject ($_[1]); 193}
194
195sub monitor {
196 my ($self, $portid, $cb) = @_;
197
198 return $cb->(no_such_port => "cannot monitor nonexistent port")
199 unless exists $AnyEvent::MP::Kernel::PORT{$portid};
200
201 $AnyEvent::MP::Kernel::LMON{$portid}{$cb+0} = $cb;
202}
203
204sub unmonitor {
205 my ($self, $portid, $cb) = @_;
206
207 delete $AnyEvent::MP::Kernel::LMON{$portid}{$cb+0};
143} 208}
144 209
145=head1 SEE ALSO 210=head1 SEE ALSO
146 211
147L<AnyEvent>. 212L<AnyEvent::MP>.
148 213
149=head1 AUTHOR 214=head1 AUTHOR
150 215
151 Marc Lehmann <schmorp@schmorp.de> 216 Marc Lehmann <schmorp@schmorp.de>
152 http://home.schmorp.de/ 217 http://home.schmorp.de/

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