line |
stmt |
bran |
cond |
sub |
pod |
time |
code |
1
|
|
|
|
|
|
|
=head1 NAME |
2
|
|
|
|
|
|
|
|
3
|
|
|
|
|
|
|
AnyEvent::MP::Node - represent a node |
4
|
|
|
|
|
|
|
|
5
|
|
|
|
|
|
|
=head1 SYNOPSIS |
6
|
|
|
|
|
|
|
|
7
|
|
|
|
|
|
|
use AnyEvent::MP::Node; |
8
|
|
|
|
|
|
|
|
9
|
|
|
|
|
|
|
=head1 DESCRIPTION |
10
|
|
|
|
|
|
|
|
11
|
|
|
|
|
|
|
This is an internal utility module, horrible to look at, so don't. |
12
|
|
|
|
|
|
|
|
13
|
|
|
|
|
|
|
=cut |
14
|
|
|
|
|
|
|
|
15
|
|
|
|
|
|
|
package AnyEvent::MP::Node; |
16
|
|
|
|
|
|
|
|
17
|
1
|
|
|
1
|
|
1442
|
use common::sense; |
|
1
|
|
|
|
|
2
|
|
|
1
|
|
|
|
|
8
|
|
18
|
|
|
|
|
|
|
|
19
|
1
|
|
|
1
|
|
2049
|
use AE (); |
|
1
|
|
|
|
|
85
|
|
|
1
|
|
|
|
|
29
|
|
20
|
1
|
|
|
1
|
|
1253
|
use AnyEvent::Util (); |
|
1
|
|
|
|
|
18832
|
|
|
1
|
|
|
|
|
31
|
|
21
|
1
|
|
|
1
|
|
1496
|
use AnyEvent::Socket (); |
|
1
|
|
|
|
|
19561
|
|
|
1
|
|
|
|
|
42
|
|
22
|
|
|
|
|
|
|
|
23
|
1
|
|
|
1
|
|
68
|
use AnyEvent::MP::Transport (); |
|
0
|
|
|
|
|
|
|
|
0
|
|
|
|
|
|
|
24
|
|
|
|
|
|
|
|
25
|
|
|
|
|
|
|
sub new { |
26
|
|
|
|
|
|
|
my ($self, $id) = @_; |
27
|
|
|
|
|
|
|
|
28
|
|
|
|
|
|
|
$self = bless { id => $id }, $self; |
29
|
|
|
|
|
|
|
|
30
|
|
|
|
|
|
|
$self->init; |
31
|
|
|
|
|
|
|
$self->transport_reset; |
32
|
|
|
|
|
|
|
|
33
|
|
|
|
|
|
|
$self |
34
|
|
|
|
|
|
|
} |
35
|
|
|
|
|
|
|
|
36
|
|
|
|
|
|
|
sub init { |
37
|
|
|
|
|
|
|
# |
38
|
|
|
|
|
|
|
} |
39
|
|
|
|
|
|
|
|
40
|
|
|
|
|
|
|
sub send { |
41
|
|
|
|
|
|
|
&{ shift->{send} } |
42
|
|
|
|
|
|
|
} |
43
|
|
|
|
|
|
|
|
44
|
|
|
|
|
|
|
# nodes reachable via the network |
45
|
|
|
|
|
|
|
package AnyEvent::MP::Node::External; |
46
|
|
|
|
|
|
|
|
47
|
|
|
|
|
|
|
use base "AnyEvent::MP::Node"; |
48
|
|
|
|
|
|
|
|
49
|
|
|
|
|
|
|
# called at init time, mostly sets {send} |
50
|
|
|
|
|
|
|
sub transport_reset { |
51
|
|
|
|
|
|
|
my ($self) = @_; |
52
|
|
|
|
|
|
|
|
53
|
|
|
|
|
|
|
delete $self->{transport}; |
54
|
|
|
|
|
|
|
|
55
|
|
|
|
|
|
|
Scalar::Util::weaken $self; |
56
|
|
|
|
|
|
|
|
57
|
|
|
|
|
|
|
$self->{send} = sub { |
58
|
|
|
|
|
|
|
push @{$self->{queue}}, shift; |
59
|
|
|
|
|
|
|
$self->connect; |
60
|
|
|
|
|
|
|
}; |
61
|
|
|
|
|
|
|
} |
62
|
|
|
|
|
|
|
|
63
|
|
|
|
|
|
|
# called each time we fail to establish a connection, |
64
|
|
|
|
|
|
|
# or the existing connection failed |
65
|
|
|
|
|
|
|
sub transport_error { |
66
|
|
|
|
|
|
|
my ($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
|
|
|
|
|
|
|
if (my $mon = delete $self->{lmon}) { |
77
|
|
|
|
|
|
|
$_->(@reason) for map @$_, values %$mon; |
78
|
|
|
|
|
|
|
} |
79
|
|
|
|
|
|
|
|
80
|
|
|
|
|
|
|
AnyEvent::MP::Kernel::_inject_nodeevent ($self, 0, @reason) |
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} || $self->{connect_to}; |
86
|
|
|
|
|
|
|
} |
87
|
|
|
|
|
|
|
|
88
|
|
|
|
|
|
|
# called after handshake was successful |
89
|
|
|
|
|
|
|
sub transport_connect { |
90
|
|
|
|
|
|
|
my ($self, $transport) = @_; |
91
|
|
|
|
|
|
|
|
92
|
|
|
|
|
|
|
delete $self->{trial}; |
93
|
|
|
|
|
|
|
|
94
|
|
|
|
|
|
|
$self->transport_error (transport_error => $self->{id}, "switched connections") |
95
|
|
|
|
|
|
|
if $self->{transport}; |
96
|
|
|
|
|
|
|
|
97
|
|
|
|
|
|
|
delete $self->{connect_addr}; |
98
|
|
|
|
|
|
|
delete $self->{connect_w}; |
99
|
|
|
|
|
|
|
delete $self->{connect_to}; |
100
|
|
|
|
|
|
|
|
101
|
|
|
|
|
|
|
$self->{transport} = $transport; |
102
|
|
|
|
|
|
|
|
103
|
|
|
|
|
|
|
my $transport_send = $transport->{send}; |
104
|
|
|
|
|
|
|
|
105
|
|
|
|
|
|
|
AnyEvent::MP::Kernel::_inject_nodeevent ($self, 1); |
106
|
|
|
|
|
|
|
|
107
|
|
|
|
|
|
|
$self->{send} = $transport_send; |
108
|
|
|
|
|
|
|
|
109
|
|
|
|
|
|
|
$transport_send->($_) |
110
|
|
|
|
|
|
|
for @{ delete $self->{queue} || [] }; |
111
|
|
|
|
|
|
|
} |
112
|
|
|
|
|
|
|
|
113
|
|
|
|
|
|
|
sub connect { |
114
|
|
|
|
|
|
|
my ($self, @addresses) = @_; |
115
|
|
|
|
|
|
|
|
116
|
|
|
|
|
|
|
return if $self->{transport}; |
117
|
|
|
|
|
|
|
|
118
|
|
|
|
|
|
|
Scalar::Util::weaken $self; |
119
|
|
|
|
|
|
|
|
120
|
|
|
|
|
|
|
my $monitor = $AnyEvent::MP::Kernel::CONFIG->{monitor_timeout}; |
121
|
|
|
|
|
|
|
|
122
|
|
|
|
|
|
|
$self->{connect_to} ||= AE::timer $monitor, 0, sub { |
123
|
|
|
|
|
|
|
$self->transport_error (transport_error => $self->{id}, "unable to connect"); |
124
|
|
|
|
|
|
|
}; |
125
|
|
|
|
|
|
|
|
126
|
|
|
|
|
|
|
return unless @addresses; |
127
|
|
|
|
|
|
|
|
128
|
|
|
|
|
|
|
if ($self->{connect_w}) { |
129
|
|
|
|
|
|
|
# sometimes we get told about new addresses after we started to connect |
130
|
|
|
|
|
|
|
unshift @{$self->{connect_addr}}, @addresses; |
131
|
|
|
|
|
|
|
return; |
132
|
|
|
|
|
|
|
} |
133
|
|
|
|
|
|
|
|
134
|
|
|
|
|
|
|
$self->{connect_addr} = \@addresses; # a bit weird, but efficient |
135
|
|
|
|
|
|
|
|
136
|
|
|
|
|
|
|
$AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} with [@addresses]"); |
137
|
|
|
|
|
|
|
|
138
|
|
|
|
|
|
|
my $interval = $AnyEvent::MP::Kernel::CONFIG->{connect_interval}; |
139
|
|
|
|
|
|
|
|
140
|
|
|
|
|
|
|
$interval = ($monitor - $interval) / @addresses |
141
|
|
|
|
|
|
|
if ($monitor - $interval) / @addresses < $interval; |
142
|
|
|
|
|
|
|
|
143
|
|
|
|
|
|
|
$interval = 0.4 if $interval < 0.4; |
144
|
|
|
|
|
|
|
|
145
|
|
|
|
|
|
|
my @endpoints; |
146
|
|
|
|
|
|
|
|
147
|
|
|
|
|
|
|
$self->{connect_w} = AE::timer 0.050 * rand, $interval * (0.9 + 0.1 * rand), sub { |
148
|
|
|
|
|
|
|
@endpoints = @addresses |
149
|
|
|
|
|
|
|
unless @endpoints; |
150
|
|
|
|
|
|
|
|
151
|
|
|
|
|
|
|
my $endpoint = shift @endpoints; |
152
|
|
|
|
|
|
|
|
153
|
|
|
|
|
|
|
$AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} at $endpoint"); |
154
|
|
|
|
|
|
|
|
155
|
|
|
|
|
|
|
$self->{trial}{$endpoint} ||= do { |
156
|
|
|
|
|
|
|
my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
157
|
|
|
|
|
|
|
or return $AnyEvent::MP::Kernel::WARN->(1, "$self->{id}: not a resolved node reference."); |
158
|
|
|
|
|
|
|
|
159
|
|
|
|
|
|
|
AnyEvent::MP::Transport::mp_connect |
160
|
|
|
|
|
|
|
$host, $port, |
161
|
|
|
|
|
|
|
sub { delete $self->{trial}{$endpoint} }, |
162
|
|
|
|
|
|
|
}; |
163
|
|
|
|
|
|
|
}; |
164
|
|
|
|
|
|
|
} |
165
|
|
|
|
|
|
|
|
166
|
|
|
|
|
|
|
sub kill { |
167
|
|
|
|
|
|
|
my ($self, $port, @reason) = @_; |
168
|
|
|
|
|
|
|
|
169
|
|
|
|
|
|
|
$self->send (["", kil => $port, @reason]); |
170
|
|
|
|
|
|
|
} |
171
|
|
|
|
|
|
|
|
172
|
|
|
|
|
|
|
sub monitor { |
173
|
|
|
|
|
|
|
my ($self, $portid, $cb) = @_; |
174
|
|
|
|
|
|
|
|
175
|
|
|
|
|
|
|
my $list = $self->{lmon}{$portid} ||= []; |
176
|
|
|
|
|
|
|
|
177
|
|
|
|
|
|
|
$self->send (["", mon1 => $portid]) |
178
|
|
|
|
|
|
|
unless @$list || !length $portid; |
179
|
|
|
|
|
|
|
|
180
|
|
|
|
|
|
|
push @$list, $cb; |
181
|
|
|
|
|
|
|
} |
182
|
|
|
|
|
|
|
|
183
|
|
|
|
|
|
|
sub unmonitor { |
184
|
|
|
|
|
|
|
my ($self, $portid, $cb) = @_; |
185
|
|
|
|
|
|
|
|
186
|
|
|
|
|
|
|
my $list = $self->{lmon}{$portid} |
187
|
|
|
|
|
|
|
or return; |
188
|
|
|
|
|
|
|
|
189
|
|
|
|
|
|
|
@$list = grep $_ != $cb, @$list; |
190
|
|
|
|
|
|
|
|
191
|
|
|
|
|
|
|
unless (@$list) { |
192
|
|
|
|
|
|
|
$self->send (["", mon0 => $portid]); |
193
|
|
|
|
|
|
|
delete $self->{monitor}{$portid}; |
194
|
|
|
|
|
|
|
} |
195
|
|
|
|
|
|
|
} |
196
|
|
|
|
|
|
|
|
197
|
|
|
|
|
|
|
# used for direct slave connections as well |
198
|
|
|
|
|
|
|
package AnyEvent::MP::Node::Direct; |
199
|
|
|
|
|
|
|
|
200
|
|
|
|
|
|
|
use base "AnyEvent::MP::Node::External"; |
201
|
|
|
|
|
|
|
|
202
|
|
|
|
|
|
|
package AnyEvent::MP::Node::Self; |
203
|
|
|
|
|
|
|
|
204
|
|
|
|
|
|
|
use base "AnyEvent::MP::Node"; |
205
|
|
|
|
|
|
|
|
206
|
|
|
|
|
|
|
sub connect { |
207
|
|
|
|
|
|
|
# we are trivially connected |
208
|
|
|
|
|
|
|
} |
209
|
|
|
|
|
|
|
|
210
|
|
|
|
|
|
|
# delay every so often to avoid recursion, also used to delay after spawn |
211
|
|
|
|
|
|
|
our $DELAY = -50; |
212
|
|
|
|
|
|
|
our @DELAY; |
213
|
|
|
|
|
|
|
our $DELAY_W; |
214
|
|
|
|
|
|
|
|
215
|
|
|
|
|
|
|
sub _send_delayed { |
216
|
|
|
|
|
|
|
local $AnyEvent::MP::Kernel::SRCNODE = $AnyEvent::MP::Kernel::NODE{""}; |
217
|
|
|
|
|
|
|
(shift @DELAY)->() |
218
|
|
|
|
|
|
|
while @DELAY; |
219
|
|
|
|
|
|
|
undef $DELAY_W; |
220
|
|
|
|
|
|
|
$DELAY = -50; |
221
|
|
|
|
|
|
|
} |
222
|
|
|
|
|
|
|
|
223
|
|
|
|
|
|
|
sub transport_reset { |
224
|
|
|
|
|
|
|
my ($self) = @_; |
225
|
|
|
|
|
|
|
|
226
|
|
|
|
|
|
|
Scalar::Util::weaken $self; |
227
|
|
|
|
|
|
|
|
228
|
|
|
|
|
|
|
$self->{send} = sub { |
229
|
|
|
|
|
|
|
if ($DELAY++ >= 0) { |
230
|
|
|
|
|
|
|
my $msg = $_[0]; |
231
|
|
|
|
|
|
|
push @DELAY, sub { AnyEvent::MP::Kernel::_inject (@$msg) }; |
232
|
|
|
|
|
|
|
$DELAY_W ||= AE::timer 0, 0, \&_send_delayed; |
233
|
|
|
|
|
|
|
return; |
234
|
|
|
|
|
|
|
} |
235
|
|
|
|
|
|
|
|
236
|
|
|
|
|
|
|
local $AnyEvent::MP::Kernel::SRCNODE = $self; |
237
|
|
|
|
|
|
|
AnyEvent::MP::Kernel::_inject (@{ $_[0] }); |
238
|
|
|
|
|
|
|
}; |
239
|
|
|
|
|
|
|
} |
240
|
|
|
|
|
|
|
|
241
|
|
|
|
|
|
|
sub transport_connect { |
242
|
|
|
|
|
|
|
my ($self, $tp) = @_; |
243
|
|
|
|
|
|
|
|
244
|
|
|
|
|
|
|
$AnyEvent::MP::Kernel::WARN->(9, "I refuse to talk to myself ($tp->{peerhost}:$tp->{peerport})"); |
245
|
|
|
|
|
|
|
} |
246
|
|
|
|
|
|
|
|
247
|
|
|
|
|
|
|
sub kill { |
248
|
|
|
|
|
|
|
my (undef, @args) = @_; |
249
|
|
|
|
|
|
|
|
250
|
|
|
|
|
|
|
# we _always_ delay kil's, to avoid calling mon callbacks |
251
|
|
|
|
|
|
|
# from anything but the event loop context. |
252
|
|
|
|
|
|
|
$DELAY = 1; |
253
|
|
|
|
|
|
|
push @DELAY, sub { AnyEvent::MP::Kernel::_kill (@args) }; |
254
|
|
|
|
|
|
|
$DELAY_W ||= AE::timer 0, 0, \&_send_delayed; |
255
|
|
|
|
|
|
|
} |
256
|
|
|
|
|
|
|
|
257
|
|
|
|
|
|
|
sub monitor { |
258
|
|
|
|
|
|
|
# maybe always delay, too? |
259
|
|
|
|
|
|
|
if ($DELAY_W) { |
260
|
|
|
|
|
|
|
my @args = @_; |
261
|
|
|
|
|
|
|
push @DELAY, sub { AnyEvent::MP::Kernel::_monitor (@args) }; |
262
|
|
|
|
|
|
|
return; |
263
|
|
|
|
|
|
|
} |
264
|
|
|
|
|
|
|
&AnyEvent::MP::Kernel::_monitor; |
265
|
|
|
|
|
|
|
} |
266
|
|
|
|
|
|
|
|
267
|
|
|
|
|
|
|
sub unmonitor { |
268
|
|
|
|
|
|
|
# no need to always delay |
269
|
|
|
|
|
|
|
if ($DELAY_W) { |
270
|
|
|
|
|
|
|
my @args = @_; |
271
|
|
|
|
|
|
|
push @DELAY, sub { AnyEvent::MP::Kernel::_unmonitor (@args) }; |
272
|
|
|
|
|
|
|
return; |
273
|
|
|
|
|
|
|
} |
274
|
|
|
|
|
|
|
|
275
|
|
|
|
|
|
|
&AnyEvent::MP::Kernel::_unmonitor; |
276
|
|
|
|
|
|
|
} |
277
|
|
|
|
|
|
|
|
278
|
|
|
|
|
|
|
=head1 SEE ALSO |
279
|
|
|
|
|
|
|
|
280
|
|
|
|
|
|
|
L<AnyEvent::MP>. |
281
|
|
|
|
|
|
|
|
282
|
|
|
|
|
|
|
=head1 AUTHOR |
283
|
|
|
|
|
|
|
|
284
|
|
|
|
|
|
|
Marc Lehmann <schmorp@schmorp.de> |
285
|
|
|
|
|
|
|
http://home.schmorp.de/ |
286
|
|
|
|
|
|
|
|
287
|
|
|
|
|
|
|
=cut |
288
|
|
|
|
|
|
|
|
289
|
|
|
|
|
|
|
1 |
290
|
|
|
|
|
|
|
|