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71 lines
2.0 KiB
Go
71 lines
2.0 KiB
Go
package message
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import (
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"github.com/pingcap-incubator/tinykv/kv/raftstore/snap"
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"github.com/pingcap-incubator/tinykv/proto/pkg/metapb"
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"github.com/pingcap-incubator/tinykv/proto/pkg/raft_cmdpb"
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)
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type MsgType int64
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const (
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// just a placeholder
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MsgTypeNull MsgType = 0
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// message to start the ticker of peer
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MsgTypeStart MsgType = 1
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// message of base tick to drive the ticker
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MsgTypeTick MsgType = 2
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// message wraps a raft message that should be forwarded to Raft module
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// the raft message is from peer on other store
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MsgTypeRaftMessage MsgType = 3
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// message wraps a raft command that maybe a read/write request or admin request
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// the raft command should be proposed to Raft module
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MsgTypeRaftCmd MsgType = 4
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// message to trigger split region
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// it first asks Scheduler for allocating new split region's ids, then schedules a
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// MsyTypeRaftCmd with split admin command
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MsgTypeSplitRegion MsgType = 5
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// message to update region approximate size
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// it is sent by split checker
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MsgTypeRegionApproximateSize MsgType = 6
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// message to trigger gc generated snapshots
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MsgTypeGcSnap MsgType = 7
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// message wraps a raft message to the peer not existing on the Store.
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// It is due to region split or add peer conf change
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MsgTypeStoreRaftMessage MsgType = 101
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// message of store base tick to drive the store ticker, including store heartbeat
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MsgTypeStoreTick MsgType = 106
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// message to start the ticker of store
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MsgTypeStoreStart MsgType = 107
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)
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type Msg struct {
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Type MsgType
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RegionID uint64
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Data interface{}
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}
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func NewMsg(tp MsgType, data interface{}) Msg {
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return Msg{Type: tp, Data: data}
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}
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func NewPeerMsg(tp MsgType, regionID uint64, data interface{}) Msg {
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return Msg{Type: tp, RegionID: regionID, Data: data}
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}
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type MsgGCSnap struct {
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Snaps []snap.SnapKeyWithSending
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}
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type MsgRaftCmd struct {
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Request *raft_cmdpb.RaftCmdRequest
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Callback *Callback
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}
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type MsgSplitRegion struct {
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RegionEpoch *metapb.RegionEpoch
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SplitKey []byte
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Callback *Callback
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}
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