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35 lines
1.2 KiB
Go
35 lines
1.2 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 snap
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import (
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"io"
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"github.com/coreos/etcd/raft/raftpb"
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)
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// Message is a struct that contains a raft Message and a ReadCloser. The type
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// of raft message MUST be MsgSnap, which contains the raft meta-data and an
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// additional data []byte field that contains the snapshot of the actual state
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// machine.
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// Message contains the ReadCloser field for handling large snapshot. This avoid
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// copying the entire snapshot into a byte array, which consumes a lot of memory.
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//
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// User of Message should close the ReadCloser after sending it.
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type Message struct {
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raftpb.Message
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ReadCloser io.ReadCloser
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}
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