1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
package Net::Kafka::Consumer;
use strict;
use warnings;
use Net::Kafka qw/RD_KAFKA_CONSUMER/;
use Net::Kafka::Util;
use constant {
DEFAULT_SEEK_TIMEOUT => 1000,
DEFAULT_FETCH_OFFSET_TIMEOUT => 5000,
DEFAULT_ERROR_CB => sub {
my ($self, $err, $msg) = @_;
warn sprintf("WARNING: Net::Kafka::Consumer: %s (%s)", $msg, $err);
},
};
sub new {
my ($class, %args) = @_;
my $rdkafka_version = Net::Kafka::rd_kafka_version();
my $error_cb = delete $args{error_cb} // DEFAULT_ERROR_CB;
my $config = Net::Kafka::Util::build_config({
'error_cb' => $error_cb,
%args
});
my $kafka = delete $args{kafka} || Net::Kafka->new(RD_KAFKA_CONSUMER, $config);
return bless {
_kafka => $kafka,
_is_closed => 0,
}, $class;
}
sub subscribe {
my ($self, $topics) = @_;
$self->{_kafka}->subscribe($topics);
}
sub unsubscribe {
my ($self) = @_;
$self->{_kafka}->unsubscribe();
}
sub assign {
my $self = shift;
$self->{_kafka}->assign(@_);
}
sub poll {
my $self = shift;
return $self->{_kafka}->consumer_poll(@_);
}
sub committed {
my ($self, $tp_list, $timeout_ms) = @_;
$self->{_kafka}->committed($tp_list, $timeout_ms // DEFAULT_FETCH_OFFSET_TIMEOUT);
}
sub offsets_for_times {
my ($self, $tp_list, $timeout_ms) = @_;
$self->{_kafka}->offsets_for_times($tp_list, $timeout_ms // DEFAULT_FETCH_OFFSET_TIMEOUT);
}
sub query_watermark_offsets {
my ($self, $topic, $partition, $timeout_ms) = @_;
$self->{_kafka}->query_watermark_offsets($topic, $partition, $timeout_ms // DEFAULT_FETCH_OFFSET_TIMEOUT);
}
sub pause {
my ($self, $tp_list) = @_;
$self->{_kafka}->pause($tp_list);
}
sub position {
my ($self, $tp_list) = @_;
$self->{_kafka}->position($tp_list);
}
sub resume {
my ($self, $tp_list) = @_;
$self->{_kafka}->resume($tp_list);
}
sub subscription {
my $self = shift;
my $topics = [];
my $subscription = $self->{_kafka}->subscription();
for ( my $i=0; $i < $subscription->size(); $i++ ) {
my ($t) = $subscription->get($i);
push @$topics, $t;
}
return $topics;
}
sub partitions_for {
my ($self, $topic, $timeout_ms) = @_;
return $self->{_kafka}->partitions_for($topic, $timeout_ms);
}
sub commit {
my ($self, $async, $topic_partitions) = @_;
$async //= 0;
$topic_partitions ?
$self->{_kafka}->commit($async, $topic_partitions) :
$self->{_kafka}->commit($async);
}
sub commit_message {
my ($self, $async, $msg) = @_;
$async //= 0;
$self->{_kafka}->commit_message($async, $msg);
}
sub seek {
my ($self, $topic, $partition, $offset, $timeout_ms) = @_;
$timeout_ms //= DEFAULT_SEEK_TIMEOUT;
$self->{_kafka}->topic($topic)->seek($partition, $offset, $timeout_ms);
}
sub close {
my $self = shift;
return if $self->{_is_closed};
$self->{_kafka}->close() if defined $self->{_kafka};
$self->{_is_closed} = 1;
}
sub DESTROY {
my $self = shift;
$self->close();
}
1;
|
