42 lines
1.4 KiB
Go
42 lines
1.4 KiB
Go
// Copyright 2015 CoreOS, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package etcdserver
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import (
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"time"
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"github.com/coreos/etcd/pkg/types"
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"github.com/coreos/etcd/rafthttp"
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)
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// isConnectedToQuorumSince checks whether the local member is connected to the
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// quorum of the cluster since the given time.
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func isConnectedToQuorumSince(transport rafthttp.Transporter, since time.Time, self types.ID, members []*Member) bool {
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var connectedNum int
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for _, m := range members {
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if m.ID == self || isConnectedSince(transport, since, m.ID) {
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connectedNum++
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}
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}
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return connectedNum >= (len(members)+1)/2
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}
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// isConnectedSince checks whether the local member is connected to the
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// remote member since the given time.
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func isConnectedSince(transport rafthttp.Transporter, since time.Time, remote types.ID) bool {
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t := transport.ActiveSince(remote)
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return !t.IsZero() && t.Before(since)
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}
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