File Coverage

blib/lib/Search/Elasticsearch/CxnPool/Sniff.pm

Criterion	Covered	Total	%
statement	36	36	100.0
branch	12	12	100.0
condition			n/a
subroutine	6	6	100.0
pod	2	3	66.6
total	56	57	98.2

# Licensed to Elasticsearch B.V. under one or more contributor
# license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright
# ownership. Elasticsearch B.V. licenses this file to you under
# the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.

package Search::Elasticsearch::CxnPool::Sniff;
$Search::Elasticsearch::CxnPool::Sniff::VERSION = '8.00';
use Moo;
with 'Search::Elasticsearch::Role::CxnPool::Sniff',
    'Search::Elasticsearch::Role::Is_Sync';

use Search::Elasticsearch::Util qw(throw);
use namespace::clean;

#===================================
sub next_cxn {
#===================================
    my ($self) = @_;

    $self->sniff if $self->next_sniff <= time();

    my $cxns  = $self->cxns;
    my $total = @$cxns;

    while ( 0 < $total-- ) {
        my $cxn = $cxns->[ $self->next_cxn_num ];
        return $cxn if $cxn->is_live;
    }

    throw( "NoNodes",
        "No nodes are available: [" . $self->cxns_seeds_str . ']' );
}

#===================================
sub sniff {
#===================================
    my $self = shift;

    my $cxns  = $self->cxns;
    my $total = @$cxns;
    my @skipped;

    while ( 0 < $total-- ) {
        my $cxn = $cxns->[ $self->next_cxn_num ];
        if ( $cxn->is_dead ) {
            push @skipped, $cxn;
        }
        else {
            $self->sniff_cxn($cxn) and return;
            $cxn->mark_dead;
        }
    }

    for my $cxn (@skipped) {
        $self->sniff_cxn($cxn) and return;
    }

    $self->logger->info("No live nodes available. Trying seed nodes.");
    for my $seed ( @{ $self->seed_nodes } ) {
        my $cxn = $self->cxn_factory->new_cxn($seed);
        $self->sniff_cxn($cxn) and return;
    }

}

#===================================
sub sniff_cxn {
#===================================
    my ( $self, $cxn ) = @_;
    return $self->parse_sniff( $cxn->sniff );
}

1;

# ABSTRACT: A CxnPool for connecting to a local cluster with a dynamic node list

__END__