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Comparing AnyEvent-MP/MP/Node.pm (file contents):
Revision 1.2 by root, Sat Aug 1 07:11:45 2009 UTC vs.
Revision 1.28 by root, Thu Aug 27 21:29:37 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, $id) = @_;
28 25
29 bless { noderef => $noderef }, $class 26 $self = bless { id => $id }, $self;
30}
31 27
28 $self->init;
29 $self->transport_reset;
30
31 $self
32}
33
34sub init {
35 #
36}
37
38sub send {
39 &{ shift->{send} }
40}
41
42# nodes reachable via the network
32package AnyEvent::MP::Node::Direct; 43package AnyEvent::MP::Node::External;
33 44
34use base "AnyEvent::MP::Node"; 45use base "AnyEvent::MP::Node";
35 46
36sub send { 47# called at init time, mostly sets {send}
48sub transport_reset {
37 my ($self, $msg) = @_; 49 my ($self) = @_;
38 50
39 warn "send $self $self->{noderef}\n";#d# 51 delete $self->{transport};
40 52
41 if ($self->{transport}) { 53 Scalar::Util::weaken $self;
42 $self->{transport}->send ($msg); 54
43 } elsif ($self->{queue}) { 55 $self->{send} = sub {
44 push @{ $self->{queue} }, $msg; 56 push @{$self->{queue}}, shift;
45 } else {
46 $self->{queue} = [$msg];
47 $self->connect; 57 $self->connect;
58 };
59
60 $self->connect
61 if $self->{autoconnect};
62}
63
64# called only after successful handshake
65sub transport_error {
66 my ($self, @reason) = @_;
67
68 my $no_transport = !$self->{transport};
69
70 delete $self->{connect_w};
71 delete $self->{connect_to};
72
73 delete $self->{queue};
74 $self->transport_reset;
75
76 AnyEvent::MP::Kernel::_inject_nodeevent ($self, 0, @reason)
77 unless $no_transport;
78
79 if (my $mon = delete $self->{lmon}) {
80 $_->(@reason) for map @$_, values %$mon;
48 } 81 }
49} 82}
50 83
51sub set_transport { 84# called after handshake was successful
85sub transport_connect {
52 my ($self, $transport) = @_; 86 my ($self, $transport) = @_;
53 87
54 delete $self->{trial}; 88 delete $self->{trial};
89
90 $self->transport_error (transport_error => "switched connections")
91 if $self->{transport};
92
55 delete $self->{next_connect}; 93 delete $self->{connect_w};
94 delete $self->{connect_to};
56 95
57 use Data::Dumper; warn "set_transport $self->{noderef} $self $AnyEvent::MP::NODE{'10.0.0.1:4040'}\n";#d#
58
59 if (
60 exists $self->{remote_uniq}
61 && $self->{remote_uniq} ne $transport->{remote_uniq}
62 ) {
63 # uniq changed, drop queue
64 delete $self->{queue};
65 #TODO: "DOWN"
66 }
67
68 $self->{remote_uniq} = $transport->{remote_uniq};
69 $self->{transport} = $transport; 96 $self->{transport} = $transport;
97
98 my $transport_send = $transport->can ("send");
99
100 $self->{send} = sub {
101 $transport_send->($transport, $_[0]);
102 };
103
104 AnyEvent::MP::Kernel::_inject_nodeevent ($self, 1);
70 105
71 $transport->send ($_) 106 $transport->send ($_)
72 for @{ delete $self->{queue} || [] }; 107 for @{ delete $self->{queue} || [] };
73} 108}
74 109
110sub connect {
111 my ($self, @addresses) = @_;
112
113 return if $self->{transport};
114
115 Scalar::Util::weaken $self;
116
117 $self->{connect_to} ||= AE::timer
118 $AnyEvent::MP::Config::CFG{monitor_timeout} || $AnyEvent::MP::Kernel::MONITOR_TIMEOUT,
119 0,
120 sub {
121 $self->transport_error (transport_error => $self->{id}, "unable to connect");
122 };
123
124 $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} with [@addresses]");
125 return unless @addresses;
126
127 unless ($self->{connect_w}) {
128 my @endpoints;
129
130 $self->{connect_w} = AE::timer
131 rand,
132 $AnyEvent::MP::Config::CFG{connect_interval} || $AnyEvent::MP::Kernel::CONNECT_INTERVAL,
133 sub {
134 @endpoints = @addresses
135 unless @endpoints;
136
137 my $endpoint = shift @endpoints;
138
139 $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} at $endpoint");
140
141 $self->{trial}{$endpoint} ||= do {
142 my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint
143 or return $AnyEvent::MP::Kernel::WARN->(1, "$self->{id}: not a resolved node reference.");
144
145 AnyEvent::MP::Transport::mp_connect
146 $host, $port,
147 sub { delete $self->{trial}{$endpoint} },
148 };
149 }
150 ;
151 }
152}
153
154sub kill {
155 my ($self, $port, @reason) = @_;
156
157 $self->send (["", kil => $port, @reason]);
158}
159
160sub monitor {
161 my ($self, $portid, $cb) = @_;
162
163 my $list = $self->{lmon}{$portid} ||= [];
164
165 $self->send (["", mon1 => $portid])
166 unless @$list || !length $portid;
167
168 push @$list, $cb;
169}
170
171sub unmonitor {
172 my ($self, $portid, $cb) = @_;
173
174 my $list = $self->{lmon}{$portid}
175 or return;
176
177 @$list = grep $_ != $cb, @$list;
178
179 unless (@$list) {
180 $self->send (["", mon0 => $portid]);
181 delete $self->{monitor}{$portid};
182 }
183}
184
185# used for direct slave connections as well
186package AnyEvent::MP::Node::Direct;
187
188use base "AnyEvent::MP::Node::External";
189
190package AnyEvent::MP::Node::Self;
191
192use base "AnyEvent::MP::Node";
193
194sub connect {
195 # we are trivially connected
196}
197
75sub clr_transport { 198sub transport_reset {
76 my ($self) = @_; 199 my ($self) = @_;
77 200
78 delete $self->{transport};
79 warn "clr_transport\n";
80}
81
82sub connect {
83 my ($self) = @_;
84
85 Scalar::Util::weaken $self; 201 Scalar::Util::weaken $self;
86 202
87 unless (exists $self->{n_noderef}) { 203 $self->{send} = sub {
88 (AnyEvent::MP::normalise_noderef ($self->{noderef}))->cb (sub { 204 local $AnyEvent::MP::Kernel::SRCNODE = $self;
89 $self or return; 205 AnyEvent::MP::Kernel::_inject (@{ $_[0] });
90 my $noderef = shift->recv;
91
92 $self->{n_noderef} = $noderef;
93
94 $AnyEvent::MP::NODE{$_} = $self
95 for split /,/, $noderef;
96
97 $self->connect;
98 });
99 return;
100 }
101
102 $self->{retry} ||= [split /,/, $self->{n_noderef}];
103
104 my $endpoint = shift @{ $self->{retry} };
105
106 if (defined $endpoint) {
107 $self->{trial}{$endpoint} ||= do {
108 my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint
109 or return;
110
111 my ($w, $g);
112
113 $w = AE::timer $AnyEvent::MP::CONNECT_TIMEOUT, 0, sub {
114 delete $self->{trial}{$endpoint};
115 };
116 $g = AnyEvent::MP::Transport::mp_connect
117 $host, $port,
118 sub {
119 delete $self->{trial}{$endpoint}
120 unless @_;
121 $g = shift;
122 };
123 ;
124
125 [$w, \$g]
126 };
127 } else {
128 delete $self->{retry};
129 }
130
131 $self->{next_connect} = AE::timer $AnyEvent::MP::CONNECT_INTERVAL, 0, sub {
132 $self->connect;
133 }; 206 };
134} 207}
135 208
136package AnyEvent::MP::Node::Self; 209sub transport_connect {
210 my ($self, $tp) = @_;
137 211
138use base "AnyEvent::MP::Node"; 212 $AnyEvent::MP::Kernel::WARN->(9, "I refuse to talk to myself ($tp->{peerhost}:$tp->{peerport})");
139
140sub set_transport {
141 die "FATAL error, set_transport was called";
142} 213}
143 214
144sub send { 215sub kill {
145 AnyEvent::MP::_inject ($_[1]); 216 my ($self, $port, @reason) = @_;
217
218 delete $AnyEvent::MP::Kernel::PORT{$port};
219 delete $AnyEvent::MP::Kernel::PORT_DATA{$port};
220
221 my $mon = delete $AnyEvent::MP::Kernel::LMON{$port}
222 or !@reason
223 or $AnyEvent::MP::Kernel::WARN->(2, "unmonitored local port $port died with reason: @reason");
224
225 $_->(@reason) for values %$mon;
226}
227
228sub monitor {
229 my ($self, $portid, $cb) = @_;
230
231 return $cb->(no_such_port => "cannot monitor nonexistent port")
232 unless exists $AnyEvent::MP::Kernel::PORT{$portid};
233
234 $AnyEvent::MP::Kernel::LMON{$portid}{$cb+0} = $cb;
235}
236
237sub unmonitor {
238 my ($self, $portid, $cb) = @_;
239
240 delete $AnyEvent::MP::Kernel::LMON{$portid}{$cb+0};
146} 241}
147 242
148=head1 SEE ALSO 243=head1 SEE ALSO
149 244
150L<AnyEvent>. 245L<AnyEvent::MP>.
151 246
152=head1 AUTHOR 247=head1 AUTHOR
153 248
154 Marc Lehmann <schmorp@schmorp.de> 249 Marc Lehmann <schmorp@schmorp.de>
155 http://home.schmorp.de/ 250 http://home.schmorp.de/

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