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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 1.19 by root, Wed Aug 12 22:03:15 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 $self
31}
32
33sub send {
34 &{ shift->{send} }
35}
36
32package AnyEvent::MP::Node::Direct; 37package AnyEvent::MP::Node::External;
33 38
34use base "AnyEvent::MP::Node"; 39use base "AnyEvent::MP::Node";
35 40
36sub send { 41# called at init time, mostly sets {send}
42sub transport_reset {
37 my ($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 Scalar::Util::weaken $self;
48
49 $self->{send} = sub {
42 push @{ $self->{queue} }, $msg; 50 push @{$self->{queue}}, shift;
43 } else {
44 $self->{queue} = [$msg];
45 $self->connect; 51 $self->connect;
52 };
53}
54
55# called only after successful handshake
56sub transport_error {
57 my ($self, @reason) = @_;
58
59 delete $self->{queue};
60 $self->transport_reset;
61
62 if (my $mon = delete $self->{lmon}) {
63 $_->(@reason) for map @$_, values %$mon;
46 } 64 }
47} 65}
48 66
49sub set_transport { 67# called after handshake was successful
68sub transport_connect {
50 my ($self, $transport) = @_; 69 my ($self, $transport) = @_;
51 70
52 delete $self->{trial}; 71 $self->transport_reset
72 if $self->{transport};
73
53 delete $self->{next_connect}; 74 delete $self->{connect_w};
75 delete $self->{connect_to};
54 76
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; 77 $self->{transport} = $transport;
78
79 my $transport_send = $transport->can ("send");
80
81 $self->{send} = sub {
82 $transport_send->($transport, $_[0]);
83 };
66 84
67 $transport->send ($_) 85 $transport->send ($_)
68 for @{ delete $self->{queue} || [] }; 86 for @{ delete $self->{queue} || [] };
69} 87}
70 88
71sub clr_transport {
72 my ($self) = @_;
73
74 delete $self->{transport};
75
76 $self->connect;
77}
78
79sub connect { 89sub connect {
80 my ($self) = @_; 90 my ($self) = @_;
81 91
82 Scalar::Util::weaken $self; 92 Scalar::Util::weaken $self;
83 93
84 unless (exists $self->{n_noderef}) { 94 $self->{connect_to} ||= AE::timer
85 (AnyEvent::MP::normalise_noderef ($self->{noderef}))->cb (sub { 95 $AnyEvent::MP::Config::CFG{monitor_timeout} || $AnyEvent::MP::Kernel::MONITOR_TIMEOUT,
86 $self or return; 96 0,
87 my $noderef = shift->recv; 97 sub {
88 98 $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 $self->connect;
95 }); 99 };
96 return; 100
101 unless ($self->{connect_w}) {
102 my @endpoints;
103 my %trial;
104
105 $self->{connect_w} = AE::timer
106 0,
107 $AnyEvent::MP::Config::CFG{connect_interval} || $AnyEvent::MP::Kernel::CONNECT_INTERVAL,
108 sub {
109 @endpoints = split /,/, $self->{noderef}
110 unless @endpoints;
111
112 my $endpoint = shift @endpoints;
113
114 $trial{$endpoint} ||= do {
115 my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint
116 or return $AnyEvent::MP::Kernel::WARN->("$self->{noderef}: not a resolved node reference.");
117
118 AnyEvent::MP::Transport::mp_connect
119 $host, $port,
120 sub { delete $trial{$endpoint} }
121 ;
122 };
123 }
124 ;
97 } 125 }
126}
98 127
99 $self->{retry} ||= [split /,/, $self->{n_noderef}]; 128sub kill {
129 my ($self, $port, @reason) = @_;
100 130
101 my $endpoint = shift @{ $self->{retry} }; 131 $self->send (["", kil => $port, @reason]);
132}
102 133
103 if (defined $endpoint) { 134sub monitor {
104 $self->{trial}{$endpoint} ||= do { 135 my ($self, $portid, $cb) = @_;
105 my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint 136
137 my $list = $self->{lmon}{$portid} ||= [];
138
139 $self->send (["", mon1 => $portid])
140 unless @$list;
141
142 push @$list, $cb;
143}
144
145sub unmonitor {
146 my ($self, $portid, $cb) = @_;
147
148 my $list = $self->{lmon}{$portid}
106 or return; 149 or return;
107 150
108 my ($w, $g); 151 @$list = grep $_ != $cb, @$list;
109 152
110 $w = AE::timer $AnyEvent::MP::CONNECT_TIMEOUT, 0, sub { 153 unless (@$list) {
111 delete $self->{trial}{$endpoint}; 154 $self->send (["", mon0 => $portid]);
112 }; 155 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 } 156 }
157}
127 158
128 $self->{next_connect} = AE::timer $AnyEvent::MP::CONNECT_INTERVAL, 0, sub { 159package AnyEvent::MP::Node::Direct;
129 $self->connect; 160
161use base "AnyEvent::MP::Node::External";
162
163package AnyEvent::MP::Node::Indirect;
164
165use base "AnyEvent::MP::Node::Direct";
166
167sub connect {
168 my ($self) = @_;
169
170 $self->transport_error (transport_error => $self->{noderef}, "unable to connect to indirect node");
171}
172
173package AnyEvent::MP::Node::Self;
174
175use base "AnyEvent::MP::Node";
176
177sub transport_reset {
178 my ($self) = @_;
179
180 Scalar::Util::weaken $self;
181
182 $self->{send} = sub {
183 local $AnyEvent::MP::Kernel::SRCNODE = $self;
184 AnyEvent::MP::Kernel::_inject (@{ $_[0] });
130 }; 185 };
131} 186}
132 187
133package AnyEvent::MP::Node::Self; 188sub kill {
189 my ($self, $port, @reason) = @_;
134 190
135use base "AnyEvent::MP::Node"; 191 delete $AnyEvent::MP::Kernel::PORT{$port};
192 delete $AnyEvent::MP::Kernel::PORT_DATA{$port};
136 193
137sub set_transport { 194 my $mon = delete $AnyEvent::MP::Kernel::LMON{$port}
138 die "FATAL error, set_transport was called"; 195 or !@reason
139} 196 or $AnyEvent::MP::Kernel::WARN->("unmonitored local port $port died with reason: @reason");
140 197
141sub send { 198 $_->(@reason) for values %$mon;
142 AnyEvent::MP::_inject ($_[1]); 199}
200
201sub monitor {
202 my ($self, $portid, $cb) = @_;
203
204 return $cb->(no_such_port => "cannot monitor nonexistent port")
205 unless exists $AnyEvent::MP::Kernel::PORT{$portid};
206
207 $AnyEvent::MP::Kernel::LMON{$portid}{$cb+0} = $cb;
208}
209
210sub unmonitor {
211 my ($self, $portid, $cb) = @_;
212
213 delete $AnyEvent::MP::Kernel::LMON{$portid}{$cb+0};
143} 214}
144 215
145=head1 SEE ALSO 216=head1 SEE ALSO
146 217
147L<AnyEvent>. 218L<AnyEvent::MP>.
148 219
149=head1 AUTHOR 220=head1 AUTHOR
150 221
151 Marc Lehmann <schmorp@schmorp.de> 222 Marc Lehmann <schmorp@schmorp.de>
152 http://home.schmorp.de/ 223 http://home.schmorp.de/

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