File Coverage

blib/lib/OpenSearch/Client/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

# OpenSearch::Client is an unofficial client for OpenSearch.
# It is derived from Search::Elasticsearch version 7.714
# License details from the original work are contained in the
# NOTICE file distributed with this work.
#
#-----------------------------------------------------------------------
# OpenSearch::Client
#-----------------------------------------------------------------------
# Copyright 2026 Mark Dootson
#
# Licensed 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 OpenSearch::Client::CxnPool::Sniff;
$OpenSearch::Client::CxnPool::Sniff::VERSION = '3.007002';
use Moo;
with 'OpenSearch::Client::Role::CxnPool::Sniff',
    'OpenSearch::Client::Role::Is_Sync';

use OpenSearch::Client::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;

__END__