You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
42 lines
1000 B
Go
42 lines
1000 B
Go
5 years ago
|
package store
|
||
|
|
|
||
|
|
import (
|
||
|
|
"encoding/json"
|
||
|
|
)
|
||
|
|
|
||
|
|
// commandType are commands that affect the state of the cluster, and must go through Raft.
|
||
|
|
type commandType int
|
||
|
|
|
||
|
|
const (
|
||
|
|
execute commandType = iota // Commands which modify the database.
|
||
|
|
query // Commands which query the database.
|
||
|
|
peer // Commands that modify peers map.
|
||
|
|
)
|
||
|
|
|
||
|
|
type command struct {
|
||
|
|
Typ commandType `json:"typ,omitempty"`
|
||
|
|
Sub json.RawMessage `json:"sub,omitempty"`
|
||
|
|
}
|
||
|
|
|
||
|
|
func newCommand(t commandType, d interface{}) (*command, error) {
|
||
|
|
b, err := json.Marshal(d)
|
||
|
|
if err != nil {
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
return &command{
|
||
|
|
Typ: t,
|
||
|
|
Sub: b,
|
||
|
|
}, nil
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
// databaseSub is a command sub which involves interaction with the database.
|
||
|
|
type databaseSub struct {
|
||
|
|
Tx bool `json:"tx,omitempty"`
|
||
|
|
Queries []string `json:"queries,omitempty"`
|
||
|
|
Timings bool `json:"timings,omitempty"`
|
||
|
|
}
|
||
|
|
|
||
|
|
// peersSub is a command which sets the API address for a Raft address.
|
||
|
|
type peersSub map[string]string
|