line |
stmt |
bran |
cond |
sub |
pod |
time |
code |
1
|
|
|
|
|
|
|
package Shardcache::Client; |
2
|
|
|
|
|
|
|
|
3
|
1
|
|
|
1
|
|
21798
|
use strict; |
|
1
|
|
|
|
|
2
|
|
|
1
|
|
|
|
|
33
|
|
4
|
1
|
|
|
1
|
|
486231
|
use IO::Socket::INET; |
|
1
|
|
|
|
|
21571
|
|
|
1
|
|
|
|
|
8
|
|
5
|
1
|
|
|
1
|
|
964
|
use Digest::SipHash qw/siphash64/; |
|
1
|
|
|
|
|
1122
|
|
|
1
|
|
|
|
|
59
|
|
6
|
1
|
|
|
1
|
|
430
|
use Algorithm::ConsistentHash::CHash; |
|
1
|
|
|
|
|
344
|
|
|
1
|
|
|
|
|
2651
|
|
7
|
|
|
|
|
|
|
|
8
|
|
|
|
|
|
|
our $VERSION = "0.04"; |
9
|
|
|
|
|
|
|
|
10
|
|
|
|
|
|
|
sub _read_bytes { |
11
|
0
|
|
|
0
|
|
|
my ($sock, $len) = @_; |
12
|
0
|
|
|
|
|
|
my $to_read = $len; |
13
|
0
|
|
|
|
|
|
my $read; |
14
|
|
|
|
|
|
|
my $data; |
15
|
0
|
|
|
|
|
|
do { |
16
|
0
|
|
|
|
|
|
my $buffer; |
17
|
0
|
|
|
|
|
|
my $rb = read($sock, $buffer, $to_read); |
18
|
0
|
0
|
|
|
|
|
if ($rb > 0) { |
19
|
0
|
|
|
|
|
|
$data .= $buffer; |
20
|
0
|
|
|
|
|
|
$read += $rb; |
21
|
0
|
|
|
|
|
|
$to_read -= $rb; |
22
|
|
|
|
|
|
|
} else { |
23
|
0
|
|
|
|
|
|
last; |
24
|
|
|
|
|
|
|
} |
25
|
|
|
|
|
|
|
} while ($read != $len); |
26
|
|
|
|
|
|
|
|
27
|
0
|
0
|
|
|
|
|
return ($read == $len) ? $data : undef; |
28
|
|
|
|
|
|
|
} |
29
|
|
|
|
|
|
|
|
30
|
|
|
|
|
|
|
sub new { |
31
|
0
|
|
|
0
|
0
|
|
my ($class, $host, $secret) = @_; |
32
|
|
|
|
|
|
|
|
33
|
0
|
0
|
|
|
|
|
croak("The host parameter is mandatory!") |
34
|
|
|
|
|
|
|
unless($host); |
35
|
|
|
|
|
|
|
|
36
|
0
|
0
|
|
|
|
|
$secret = '' unless($secret); |
37
|
|
|
|
|
|
|
|
38
|
0
|
|
|
|
|
|
my $self = { |
39
|
|
|
|
|
|
|
_secret => $secret, |
40
|
|
|
|
|
|
|
_nodes => [], |
41
|
|
|
|
|
|
|
}; |
42
|
|
|
|
|
|
|
|
43
|
|
|
|
|
|
|
|
44
|
0
|
0
|
0
|
|
|
|
if (ref($host) && ref($host) eq "ARRAY") { |
45
|
0
|
|
|
|
|
|
foreach my $h (@$host) { |
46
|
0
|
0
|
|
|
|
|
if ($h !~ /^[a-zA-Z0-9_\.\-]+:[a-zA-Z0-9_\.\-]+(?:[:][0-9]+)?$/) { |
47
|
0
|
|
|
|
|
|
die "Invalid host string $h"; |
48
|
|
|
|
|
|
|
} |
49
|
0
|
|
|
|
|
|
my ($label, $addr, $port) = split(':', $h); |
50
|
0
|
|
|
|
|
|
push(@{$self->{_nodes}}, { |
|
0
|
|
|
|
|
|
|
51
|
|
|
|
|
|
|
label => $label, |
52
|
|
|
|
|
|
|
addr => $addr, |
53
|
|
|
|
|
|
|
port => $port |
54
|
|
|
|
|
|
|
}); |
55
|
|
|
|
|
|
|
} |
56
|
0
|
|
|
|
|
|
$self->{_chash} = Algorithm::ConsistentHash::CHash->new( |
57
|
0
|
|
|
|
|
|
ids => [map { $_->{label} } @{$self->{_nodes}} ], |
|
0
|
|
|
|
|
|
|
58
|
|
|
|
|
|
|
replicas => 200); |
59
|
|
|
|
|
|
|
} else { |
60
|
0
|
0
|
|
|
|
|
if ($host !~ /^[a-zA-Z0-9_\.\-]+(?:[:][0-9]+)?$/) { |
61
|
0
|
|
|
|
|
|
die "Invalid host string $host"; |
62
|
|
|
|
|
|
|
} |
63
|
0
|
|
|
|
|
|
my ($addr, $port) = split(':', $host); |
64
|
0
|
|
|
|
|
|
push(@{$self->{_nodes}}, { |
|
0
|
|
|
|
|
|
|
65
|
|
|
|
|
|
|
label => "$addr:$port", |
66
|
|
|
|
|
|
|
addr => $addr, |
67
|
|
|
|
|
|
|
port => $port |
68
|
|
|
|
|
|
|
}); |
69
|
|
|
|
|
|
|
} |
70
|
|
|
|
|
|
|
|
71
|
0
|
|
|
|
|
|
bless $self, $class; |
72
|
|
|
|
|
|
|
|
73
|
0
|
|
|
|
|
|
return $self; |
74
|
|
|
|
|
|
|
} |
75
|
|
|
|
|
|
|
|
76
|
|
|
|
|
|
|
sub _chunkize_var { |
77
|
0
|
|
|
0
|
|
|
my ($var) = @_; |
78
|
0
|
|
|
|
|
|
my $templ; |
79
|
|
|
|
|
|
|
my @vars; |
80
|
0
|
|
|
|
|
|
my $vlen = length($var); |
81
|
0
|
|
|
|
|
|
while ($vlen > 0) { |
82
|
0
|
0
|
|
|
|
|
if ($vlen <= 65535) { |
83
|
0
|
|
|
|
|
|
$templ .= "na$vlen"; |
84
|
0
|
|
|
|
|
|
push(@vars, $vlen, $var); |
85
|
0
|
|
|
|
|
|
$vlen = 0; |
86
|
|
|
|
|
|
|
} else { |
87
|
0
|
|
|
|
|
|
$templ .= "na65535"; |
88
|
0
|
|
|
|
|
|
my $substr = substr($var, 0, 65535, ""); |
89
|
0
|
|
|
|
|
|
$vlen = length($var); |
90
|
0
|
|
|
|
|
|
push(@vars, 65535, $substr); |
91
|
|
|
|
|
|
|
} |
92
|
|
|
|
|
|
|
} |
93
|
0
|
|
|
|
|
|
return pack $templ, @vars; |
94
|
|
|
|
|
|
|
} |
95
|
|
|
|
|
|
|
|
96
|
|
|
|
|
|
|
sub send_msg { |
97
|
0
|
|
|
0
|
0
|
|
my ($self, $hdr, $records, $sock) = @_; |
98
|
|
|
|
|
|
|
|
99
|
0
|
|
|
|
|
|
my $templ = "C"; |
100
|
0
|
|
|
|
|
|
my @vars = ($hdr); |
101
|
|
|
|
|
|
|
|
102
|
0
|
|
|
|
|
|
my $key; |
103
|
|
|
|
|
|
|
|
104
|
0
|
|
|
|
|
|
my $cnt = 0; |
105
|
0
|
0
|
0
|
|
|
|
$records = [ $records ] unless (ref($records) && ref($records) eq "ARRAY"); |
106
|
0
|
|
|
|
|
|
foreach my $record (@$records) { |
107
|
0
|
0
|
|
|
|
|
if ($cnt++) { |
108
|
0
|
|
|
|
|
|
$templ .= "C"; |
109
|
0
|
|
|
|
|
|
push @vars, 0x80; |
110
|
|
|
|
|
|
|
} else { |
111
|
0
|
|
|
|
|
|
$key = $record; |
112
|
|
|
|
|
|
|
} |
113
|
|
|
|
|
|
|
|
114
|
0
|
0
|
|
|
|
|
if ($record) { |
115
|
0
|
|
|
|
|
|
my $buf = _chunkize_var($record); |
116
|
0
|
|
|
|
|
|
$templ .= sprintf "a%dCC", length($buf); |
117
|
0
|
|
|
|
|
|
push @vars, $buf, 0x00, 0x00; |
118
|
|
|
|
|
|
|
} else { |
119
|
0
|
|
|
|
|
|
$templ .= "CC"; |
120
|
0
|
|
|
|
|
|
push(@vars, 0x00, 0x00); |
121
|
|
|
|
|
|
|
} |
122
|
|
|
|
|
|
|
} |
123
|
|
|
|
|
|
|
|
124
|
0
|
0
|
|
|
|
|
if (!$cnt) { |
125
|
0
|
|
|
|
|
|
$templ .= "CC"; |
126
|
0
|
|
|
|
|
|
push @vars, 0x00, 0x00; |
127
|
|
|
|
|
|
|
} |
128
|
|
|
|
|
|
|
|
129
|
0
|
|
|
|
|
|
$templ .= "C"; |
130
|
0
|
|
|
|
|
|
push @vars, 0x00; |
131
|
|
|
|
|
|
|
|
132
|
0
|
|
|
|
|
|
my $msg = pack $templ, @vars; |
133
|
|
|
|
|
|
|
|
134
|
0
|
0
|
|
|
|
|
if ($self->{_secret}) { |
135
|
0
|
|
|
|
|
|
my $sig = siphash64($msg, pack("a16", $self->{_secret})); |
136
|
0
|
|
|
|
|
|
$msg .= pack("Q", $sig); |
137
|
|
|
|
|
|
|
} |
138
|
|
|
|
|
|
|
|
139
|
0
|
|
|
|
|
|
my $addr; |
140
|
|
|
|
|
|
|
my $port; |
141
|
|
|
|
|
|
|
|
142
|
0
|
0
|
|
|
|
|
if (!$sock) { |
143
|
0
|
0
|
|
|
|
|
if (@{$self->{_nodes}} == 1) { |
|
0
|
|
|
|
|
|
|
144
|
0
|
|
|
|
|
|
$addr = $self->{_nodes}->[0]->{addr}; |
145
|
0
|
|
|
|
|
|
$port = $self->{_nodes}->[0]->{port}; |
146
|
|
|
|
|
|
|
} else { |
147
|
0
|
|
|
|
|
|
my ($node) = grep { $_->{label} eq $self->{_chash}->lookup($key) } @{$self->{_nodes}}; |
|
0
|
|
|
|
|
|
|
|
0
|
|
|
|
|
|
|
148
|
0
|
0
|
|
|
|
|
if ($node) { |
149
|
0
|
|
|
|
|
|
$addr = $node->{addr}; |
150
|
0
|
|
|
|
|
|
$port = $node->{port}; |
151
|
|
|
|
|
|
|
} else { |
152
|
0
|
|
|
|
|
|
my $index = rand() % @{$self->{_nodes}}; |
|
0
|
|
|
|
|
|
|
153
|
0
|
|
|
|
|
|
$addr = $self->{_nodes}->[$index]->{addr}; |
154
|
0
|
|
|
|
|
|
$port = $self->{_nodes}->[$index]->{port}; |
155
|
|
|
|
|
|
|
} |
156
|
|
|
|
|
|
|
|
157
|
|
|
|
|
|
|
} |
158
|
|
|
|
|
|
|
|
159
|
0
|
0
|
0
|
|
|
|
if (!$self->{_sock}->{"$addr:$port"} || !$self->{_sock}->{"$addr:$port"}->connected || |
|
|
|
0
|
|
|
|
|
160
|
|
|
|
|
|
|
$self->{_sock}->{"$addr:$port"}->write(pack("C1", 0x90)) != 1) |
161
|
|
|
|
|
|
|
{ |
162
|
0
|
|
|
|
|
|
$self->{_sock}->{"$addr:$port"} = IO::Socket::INET->new(PeerAddr => $addr, |
163
|
|
|
|
|
|
|
PeerPort => $port, |
164
|
|
|
|
|
|
|
Proto => 'tcp'); |
165
|
|
|
|
|
|
|
} |
166
|
|
|
|
|
|
|
|
167
|
0
|
|
|
|
|
|
$sock = $self->{_sock}->{"$addr:$port"}; |
168
|
|
|
|
|
|
|
} |
169
|
|
|
|
|
|
|
|
170
|
0
|
0
|
|
|
|
|
return unless $sock->write(pack("C4", 0x73, 0x68, 0x63, 0x01)); |
171
|
|
|
|
|
|
|
|
172
|
0
|
0
|
|
|
|
|
if ($self->{_secret}) { |
173
|
0
|
0
|
|
|
|
|
return undef unless $sock->write(pack("C", 0xF0)); |
174
|
|
|
|
|
|
|
} |
175
|
|
|
|
|
|
|
|
176
|
0
|
|
|
|
|
|
my $wb = $sock->write($msg); |
177
|
|
|
|
|
|
|
|
178
|
|
|
|
|
|
|
# read the response |
179
|
0
|
|
|
|
|
|
my $in; |
180
|
|
|
|
|
|
|
|
181
|
|
|
|
|
|
|
# read the magic |
182
|
0
|
|
|
|
|
|
my $magic = _read_bytes($sock, 4); |
183
|
0
|
0
|
|
|
|
|
if (!$magic) { |
184
|
0
|
0
|
|
|
|
|
delete $self->{_sock}->{"$addr:$port"} if ($addr); |
185
|
0
|
|
|
|
|
|
return undef; |
186
|
|
|
|
|
|
|
} |
187
|
|
|
|
|
|
|
|
188
|
|
|
|
|
|
|
# read the signature if necessary |
189
|
0
|
0
|
|
|
|
|
if ($self->{_secret}) { |
190
|
0
|
|
|
|
|
|
my $byte = _read_bytes($sock, 1); |
191
|
0
|
0
|
|
|
|
|
if (!$byte) { |
192
|
0
|
0
|
|
|
|
|
delete $self->{_sock}->{"$addr:$port"} if ($addr); |
193
|
0
|
|
|
|
|
|
return undef; |
194
|
|
|
|
|
|
|
} |
195
|
|
|
|
|
|
|
|
196
|
0
|
0
|
|
|
|
|
if (unpack("C", $byte) != 0xF0) { |
197
|
0
|
|
|
|
|
|
return undef; |
198
|
|
|
|
|
|
|
} |
199
|
|
|
|
|
|
|
} |
200
|
|
|
|
|
|
|
|
201
|
|
|
|
|
|
|
# read the header |
202
|
0
|
|
|
|
|
|
my $data = _read_bytes($sock, 1); |
203
|
0
|
0
|
|
|
|
|
if (!$data) { |
204
|
0
|
0
|
|
|
|
|
delete $self->{_sock}->{"$addr:$port"} if ($addr); |
205
|
0
|
|
|
|
|
|
return undef; |
206
|
|
|
|
|
|
|
} |
207
|
|
|
|
|
|
|
|
208
|
0
|
0
|
|
|
|
|
if (unpack("C", $data) == 0xF0) { |
209
|
0
|
0
|
|
|
|
|
delete $self->{_sock}->{"$addr:$port"} if ($addr); |
210
|
0
|
|
|
|
|
|
return undef; |
211
|
|
|
|
|
|
|
} |
212
|
|
|
|
|
|
|
|
213
|
0
|
|
|
|
|
|
$in .= $data; |
214
|
|
|
|
|
|
|
|
215
|
0
|
|
|
|
|
|
my $stop = 0; |
216
|
0
|
|
|
|
|
|
my $out; |
217
|
|
|
|
|
|
|
|
218
|
|
|
|
|
|
|
# read the records |
219
|
|
|
|
|
|
|
my @output_records; |
220
|
0
|
|
|
|
|
|
while (!$stop) { |
221
|
0
|
0
|
|
|
|
|
unless ($data = _read_bytes($sock, 2)) { |
222
|
0
|
0
|
|
|
|
|
delete $self->{_sock}->{"$addr:$port"} if ($addr); |
223
|
0
|
|
|
|
|
|
return undef; |
224
|
|
|
|
|
|
|
} |
225
|
0
|
|
|
|
|
|
my ($len) = unpack("n", $data); |
226
|
0
|
|
|
|
|
|
while ($len) { |
227
|
0
|
|
|
|
|
|
$in .= $data; |
228
|
0
|
0
|
|
|
|
|
unless ($data = _read_bytes($sock, $len)) { |
229
|
0
|
0
|
|
|
|
|
delete $self->{_sock}->{"$addr:$port"} if ($addr); |
230
|
0
|
|
|
|
|
|
return undef; |
231
|
|
|
|
|
|
|
} |
232
|
0
|
|
|
|
|
|
$in .= $data; |
233
|
0
|
|
|
|
|
|
$out .= $data; |
234
|
0
|
|
|
|
|
|
$len = 0; |
235
|
0
|
0
|
|
|
|
|
unless ($data = _read_bytes($sock, 2)) { |
236
|
0
|
0
|
|
|
|
|
delete $self->{_sock}->{"$addr:$port"} if ($addr); |
237
|
0
|
|
|
|
|
|
return undef; |
238
|
|
|
|
|
|
|
} |
239
|
0
|
|
|
|
|
|
($len) = unpack("n", $data); |
240
|
0
|
|
|
|
|
|
$in .= $data; |
241
|
|
|
|
|
|
|
} |
242
|
|
|
|
|
|
|
|
243
|
0
|
0
|
|
|
|
|
unless ($data = _read_bytes($sock, 1)) { |
244
|
0
|
0
|
|
|
|
|
delete $self->{_sock}->{"$addr:$port"} if ($addr); |
245
|
0
|
|
|
|
|
|
return undef; |
246
|
|
|
|
|
|
|
} |
247
|
0
|
|
|
|
|
|
$in .= $data; |
248
|
0
|
|
|
|
|
|
my ($sep) = unpack("C", $data); |
249
|
|
|
|
|
|
|
# TODO - should check if it's a correct rsep (0x80) |
250
|
0
|
0
|
|
|
|
|
$stop = 1 if ($sep == 0); |
251
|
0
|
|
|
|
|
|
push(@output_records, $out); |
252
|
0
|
|
|
|
|
|
undef($out); |
253
|
|
|
|
|
|
|
} |
254
|
|
|
|
|
|
|
|
255
|
0
|
0
|
|
|
|
|
if ($self->{_secret}) { |
256
|
|
|
|
|
|
|
# now that we have the whole message, let's compute the signature |
257
|
|
|
|
|
|
|
# (we know it's 8 bytes long and is the trailer of the message |
258
|
0
|
|
|
|
|
|
my $signature = siphash64(substr($in, 0, length($in)), pack("a16", $self->{_secret})); |
259
|
|
|
|
|
|
|
|
260
|
0
|
|
|
|
|
|
my $csig = pack("Q", $signature); |
261
|
|
|
|
|
|
|
|
262
|
0
|
0
|
|
|
|
|
unless ($data = _read_bytes($sock, 8)) { |
263
|
0
|
0
|
|
|
|
|
delete $self->{_sock}->{"$addr:$port"} if ($addr); |
264
|
0
|
|
|
|
|
|
return undef; |
265
|
|
|
|
|
|
|
} |
266
|
|
|
|
|
|
|
|
267
|
0
|
0
|
|
|
|
|
if ($csig ne $data) { |
268
|
0
|
0
|
|
|
|
|
delete $self->{_sock}->{"$addr:$port"} if ($addr); |
269
|
0
|
|
|
|
|
|
return undef; |
270
|
|
|
|
|
|
|
} |
271
|
|
|
|
|
|
|
} |
272
|
|
|
|
|
|
|
|
273
|
0
|
0
|
|
|
|
|
return wantarray ? @output_records : $output_records[0]; |
274
|
|
|
|
|
|
|
} |
275
|
|
|
|
|
|
|
|
276
|
|
|
|
|
|
|
sub get { |
277
|
0
|
|
|
0
|
0
|
|
my ($self, $key) = @_; |
278
|
0
|
0
|
|
|
|
|
return unless $key; |
279
|
0
|
|
|
|
|
|
return $self->send_msg(0x01, $key); |
280
|
|
|
|
|
|
|
} |
281
|
|
|
|
|
|
|
|
282
|
|
|
|
|
|
|
sub offset { |
283
|
0
|
|
|
0
|
0
|
|
my ($self, $key, $offset, $len) = @_; |
284
|
0
|
0
|
|
|
|
|
return unless $key; |
285
|
0
|
|
|
|
|
|
return $self->send_msg(0x06, [$key, pack("N", $offset), pack("N", $len)]); |
286
|
|
|
|
|
|
|
} |
287
|
|
|
|
|
|
|
|
288
|
|
|
|
|
|
|
sub set { |
289
|
0
|
|
|
0
|
0
|
|
my ($self, $key, $value, $expire) = @_; |
290
|
0
|
0
|
0
|
|
|
|
return unless $key && defined $value; |
291
|
0
|
|
|
|
|
|
my @records = ($key, $value); |
292
|
|
|
|
|
|
|
|
293
|
0
|
0
|
|
|
|
|
push(@records, pack("N", $expire)) |
294
|
|
|
|
|
|
|
if ($expire); |
295
|
|
|
|
|
|
|
|
296
|
0
|
|
|
|
|
|
my $resp = $self->send_msg(0x02, \@records); |
297
|
0
|
|
0
|
|
|
|
return (defined $resp && unpack("C", $resp) == 0x00); |
298
|
|
|
|
|
|
|
} |
299
|
|
|
|
|
|
|
|
300
|
|
|
|
|
|
|
sub add { |
301
|
0
|
|
|
0
|
0
|
|
my ($self, $key, $value, $expire) = @_; |
302
|
0
|
0
|
0
|
|
|
|
return unless $key && defined $value; |
303
|
0
|
|
|
|
|
|
my @records = ($key, $value); |
304
|
|
|
|
|
|
|
|
305
|
0
|
0
|
|
|
|
|
push(@records, pack("N", $expire)) |
306
|
|
|
|
|
|
|
if ($expire); |
307
|
|
|
|
|
|
|
|
308
|
0
|
|
|
|
|
|
my $resp = $self->send_msg(0x07, \@records); |
309
|
0
|
|
0
|
|
|
|
return (defined $resp && unpack("C", $resp) == 0x00); |
310
|
|
|
|
|
|
|
} |
311
|
|
|
|
|
|
|
|
312
|
|
|
|
|
|
|
sub del { |
313
|
0
|
|
|
0
|
0
|
|
my ($self, $key) = @_; |
314
|
0
|
0
|
|
|
|
|
return unless $key; |
315
|
0
|
|
|
|
|
|
my $resp = $self->send_msg(0x03, $key); |
316
|
0
|
|
|
|
|
|
return (unpack("C", $resp) == 0x00); |
317
|
|
|
|
|
|
|
} |
318
|
|
|
|
|
|
|
|
319
|
|
|
|
|
|
|
sub evi { |
320
|
0
|
|
|
0
|
0
|
|
my ($self, $key) = @_; |
321
|
0
|
0
|
|
|
|
|
return unless $key; |
322
|
0
|
|
|
|
|
|
my $resp = $self->send_msg(0x04, $key); |
323
|
0
|
|
|
|
|
|
return (unpack("C", $resp) == 0x00); |
324
|
|
|
|
|
|
|
} |
325
|
|
|
|
|
|
|
|
326
|
|
|
|
|
|
|
sub evict { |
327
|
0
|
|
|
0
|
0
|
|
my $self = shift; |
328
|
0
|
|
|
|
|
|
return $self->evi(@_); |
329
|
|
|
|
|
|
|
} |
330
|
|
|
|
|
|
|
|
331
|
|
|
|
|
|
|
sub mgb { |
332
|
0
|
|
|
0
|
0
|
|
my ($self, $key) = @_; |
333
|
0
|
0
|
|
|
|
|
return unless $key; |
334
|
|
|
|
|
|
|
# TODO - nodes-list must be sent together with the MGB command |
335
|
0
|
|
|
|
|
|
my $resp = $self->send_msg(0x22, $key); |
336
|
0
|
|
|
|
|
|
return (unpack("C", $resp) == 0x00); |
337
|
|
|
|
|
|
|
} |
338
|
|
|
|
|
|
|
|
339
|
|
|
|
|
|
|
sub migration_begin { |
340
|
0
|
|
|
0
|
0
|
|
my $self = shift; |
341
|
0
|
|
|
|
|
|
return $self->mgb(@_); |
342
|
|
|
|
|
|
|
} |
343
|
|
|
|
|
|
|
|
344
|
|
|
|
|
|
|
sub mge { |
345
|
0
|
|
|
0
|
0
|
|
my ($self, $key) = @_; |
346
|
0
|
0
|
|
|
|
|
return unless $key; |
347
|
0
|
|
|
|
|
|
my $resp = $self->send_msg(0x23, $key); |
348
|
0
|
|
|
|
|
|
return (unpack("C", $resp) == 0x00); |
349
|
|
|
|
|
|
|
} |
350
|
|
|
|
|
|
|
|
351
|
|
|
|
|
|
|
sub migration_end { |
352
|
0
|
|
|
0
|
0
|
|
my $self = shift; |
353
|
0
|
|
|
|
|
|
return $self->mge(@_); |
354
|
|
|
|
|
|
|
} |
355
|
|
|
|
|
|
|
|
356
|
|
|
|
|
|
|
sub mga { |
357
|
0
|
|
|
0
|
0
|
|
my ($self, $key) = @_; |
358
|
0
|
0
|
|
|
|
|
return unless $key; |
359
|
0
|
|
|
|
|
|
my $resp = $self->send_msg(0x21, $key); |
360
|
0
|
|
|
|
|
|
return (unpack("C", $resp) == 0x00); |
361
|
|
|
|
|
|
|
} |
362
|
|
|
|
|
|
|
|
363
|
|
|
|
|
|
|
sub migration_abort { |
364
|
0
|
|
|
0
|
0
|
|
my $self = shift; |
365
|
0
|
|
|
|
|
|
return $self->mga(@_); |
366
|
|
|
|
|
|
|
} |
367
|
|
|
|
|
|
|
|
368
|
|
|
|
|
|
|
sub _get_sock_key_for_node { |
369
|
0
|
|
|
0
|
|
|
my ($self, $node) = @_; |
370
|
0
|
|
|
|
|
|
my $addr; |
371
|
|
|
|
|
|
|
my $port; |
372
|
|
|
|
|
|
|
|
373
|
0
|
0
|
|
|
|
|
if (@{$self->{_nodes}} == 1) { |
|
0
|
|
|
|
|
|
|
374
|
0
|
|
|
|
|
|
$addr = $self->{_nodes}->[0]->{addr}; |
375
|
0
|
|
|
|
|
|
$port = $self->{_nodes}->[0]->{port}; |
376
|
|
|
|
|
|
|
} else { |
377
|
0
|
|
|
|
|
|
my ($node) = grep { $_->{label} eq $node } @{$self->{_nodes}}; |
|
0
|
|
|
|
|
|
|
|
0
|
|
|
|
|
|
|
378
|
0
|
0
|
|
|
|
|
if ($node) { |
379
|
0
|
|
|
|
|
|
$addr = $node->{addr}; |
380
|
0
|
|
|
|
|
|
$port = $node->{port}; |
381
|
|
|
|
|
|
|
} else { |
382
|
0
|
|
|
|
|
|
return undef; |
383
|
|
|
|
|
|
|
} |
384
|
|
|
|
|
|
|
} |
385
|
0
|
|
|
|
|
|
return "$addr:$port"; |
386
|
|
|
|
|
|
|
} |
387
|
|
|
|
|
|
|
|
388
|
|
|
|
|
|
|
sub _get_sock_for_node { |
389
|
0
|
|
|
0
|
|
|
my ($self, $node) = @_; |
390
|
|
|
|
|
|
|
|
391
|
0
|
|
|
|
|
|
my $sock_key = $self->_get_sock_key_for_node($node); |
392
|
|
|
|
|
|
|
|
393
|
0
|
0
|
0
|
|
|
|
if (!$self->{_sock}->{$sock_key} || !$self->{_sock}->{$sock_key}->connected || |
|
|
|
0
|
|
|
|
|
394
|
|
|
|
|
|
|
$self->{_sock}->{$sock_key}->write(pack("C1", 0x90)) != 1) |
395
|
|
|
|
|
|
|
{ |
396
|
0
|
|
|
|
|
|
my ($addr, $port) = split(':', $sock_key); |
397
|
0
|
|
|
|
|
|
$self->{_sock}->{$sock_key} = IO::Socket::INET->new( |
398
|
|
|
|
|
|
|
PeerAddr => $addr, |
399
|
|
|
|
|
|
|
PeerPort => $port, |
400
|
|
|
|
|
|
|
Proto => 'tcp'); |
401
|
|
|
|
|
|
|
} |
402
|
|
|
|
|
|
|
|
403
|
0
|
|
|
|
|
|
return $self->{_sock}->{$sock_key}; |
404
|
|
|
|
|
|
|
} |
405
|
|
|
|
|
|
|
|
406
|
|
|
|
|
|
|
sub _delete_sock_for_node { |
407
|
0
|
|
|
0
|
|
|
my ($self, $node) = @_; |
408
|
|
|
|
|
|
|
|
409
|
0
|
|
|
|
|
|
my $sock_key = $self->_get_sock_key_for_node($node); |
410
|
|
|
|
|
|
|
|
411
|
0
|
|
|
|
|
|
delete $self->{_sock}->{$sock_key}; |
412
|
|
|
|
|
|
|
} |
413
|
|
|
|
|
|
|
|
414
|
|
|
|
|
|
|
sub index { |
415
|
0
|
|
|
0
|
0
|
|
my ($self, $node) = @_; |
416
|
|
|
|
|
|
|
|
417
|
0
|
|
|
|
|
|
my %index; |
418
|
|
|
|
|
|
|
|
419
|
0
|
|
|
|
|
|
my @nodes = $node |
420
|
|
|
|
|
|
|
? ($node) |
421
|
0
|
0
|
|
|
|
|
: map { $_->{label} } @{$self->{_nodes}}; |
|
0
|
|
|
|
|
|
|
422
|
|
|
|
|
|
|
|
423
|
0
|
|
|
|
|
|
foreach my $n (@nodes) { |
424
|
0
|
|
|
|
|
|
my $sock = $self->_get_sock_for_node($n); |
425
|
|
|
|
|
|
|
|
426
|
0
|
0
|
|
|
|
|
return unless $sock; |
427
|
|
|
|
|
|
|
|
428
|
|
|
|
|
|
|
|
429
|
0
|
|
|
|
|
|
my $resp = $self->send_msg(0x41, undef, $sock); |
430
|
0
|
|
|
|
|
|
while (length($resp)) { |
431
|
0
|
|
|
|
|
|
my $ksize = unpack("N", $resp); |
432
|
0
|
|
|
|
|
|
$resp = substr($resp, 4); |
433
|
0
|
|
|
|
|
|
my $kdata = unpack("a$ksize", $resp); |
434
|
0
|
|
|
|
|
|
$resp = substr($resp, $ksize); |
435
|
0
|
|
|
|
|
|
my $vlen = unpack("N", $resp); |
436
|
0
|
|
|
|
|
|
$resp = substr($resp, 4); |
437
|
0
|
0
|
0
|
|
|
|
$index{$kdata} = $vlen |
438
|
|
|
|
|
|
|
if ($ksize && $kdata); |
439
|
|
|
|
|
|
|
} |
440
|
|
|
|
|
|
|
} |
441
|
0
|
0
|
|
|
|
|
return wantarray ? %index : \%index; |
442
|
|
|
|
|
|
|
} |
443
|
|
|
|
|
|
|
|
444
|
|
|
|
|
|
|
sub check { |
445
|
0
|
|
|
0
|
0
|
|
my ($self, $node) = @_; |
446
|
0
|
|
|
|
|
|
my $sock = $self->_get_sock_for_node($node); |
447
|
|
|
|
|
|
|
|
448
|
0
|
0
|
|
|
|
|
return unless $sock; |
449
|
|
|
|
|
|
|
|
450
|
0
|
|
|
|
|
|
my $resp = $self->send_msg(0x31, undef, $sock); |
451
|
0
|
0
|
|
|
|
|
$self->_delete_sock_for_node($node) unless $resp; |
452
|
|
|
|
|
|
|
|
453
|
0
|
0
|
|
|
|
|
return $resp ? (unpack("C", $resp) == 0x00) : undef; |
454
|
|
|
|
|
|
|
} |
455
|
|
|
|
|
|
|
|
456
|
|
|
|
|
|
|
sub chk { |
457
|
0
|
|
|
0
|
0
|
|
my $self = shift; |
458
|
|
|
|
|
|
|
# XXX - deprecated |
459
|
0
|
|
|
|
|
|
return $self->check(@_); |
460
|
|
|
|
|
|
|
} |
461
|
|
|
|
|
|
|
|
462
|
|
|
|
|
|
|
sub status { |
463
|
0
|
|
|
0
|
0
|
|
my ($self, $node) = @_; |
464
|
|
|
|
|
|
|
|
465
|
0
|
|
|
|
|
|
my $sock = $self->_get_sock_for_node($node); |
466
|
|
|
|
|
|
|
|
467
|
0
|
0
|
|
|
|
|
return unless $sock; |
468
|
|
|
|
|
|
|
|
469
|
0
|
|
|
|
|
|
my $resp = $self->send_msg(0x32, undef, $sock); |
470
|
0
|
0
|
|
|
|
|
$self->_delete_sock_for_node($node) unless $resp; |
471
|
|
|
|
|
|
|
|
472
|
0
|
|
|
|
|
|
return $resp; |
473
|
|
|
|
|
|
|
} |
474
|
|
|
|
|
|
|
|
475
|
|
|
|
|
|
|
sub sts { |
476
|
0
|
|
|
0
|
0
|
|
my $self = shift; |
477
|
|
|
|
|
|
|
# XXX - deprecated |
478
|
0
|
|
|
|
|
|
return $self->status(@_); |
479
|
|
|
|
|
|
|
} |
480
|
|
|
|
|
|
|
|
481
|
|
|
|
|
|
|
1; |
482
|
|
|
|
|
|
|
__END__ |