redis-shake工具
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package reader
import (
"RedisShake/internal/entry"
"RedisShake/internal/log"
"RedisShake/internal/utils"
"fmt"
"sync"
)
type syncClusterReader struct {
readers []Reader
statusId int
}
func NewSyncClusterReader(opts *SyncReaderOptions) Reader {
addresses, _ := utils.GetRedisClusterNodes(opts.Address, opts.Username, opts.Password, opts.Tls)
log.Debugf("get redis cluster nodes:")
for _, address := range addresses {
log.Debugf("%s", address)
}
rd := &syncClusterReader{}
for _, address := range addresses {
rd.readers = append(rd.readers, NewSyncStandaloneReader(&SyncReaderOptions{
Address: address,
Username: opts.Username,
Password: opts.Password,
Tls: opts.Tls,
}))
}
return rd
}
func (rd *syncClusterReader) StartRead() chan *entry.Entry {
ch := make(chan *entry.Entry, 1024)
var wg sync.WaitGroup
for _, r := range rd.readers {
wg.Add(1)
go func(r Reader) {
defer wg.Done()
for e := range r.StartRead() {
ch <- e
}
}(r)
}
go func() {
wg.Wait()
close(ch)
}()
return ch
}
func (rd *syncClusterReader) Status() interface{} {
stat := make([]interface{}, 0)
for _, r := range rd.readers {
stat = append(stat, r.Status())
}
return stat
}
func (rd *syncClusterReader) StatusString() string {
rd.statusId += 1
rd.statusId %= len(rd.readers)
return fmt.Sprintf("src-%d, %s", rd.statusId, rd.readers[rd.statusId].StatusString())
}
func (rd *syncClusterReader) StatusConsistent() bool {
for _, r := range rd.readers {
if !r.StatusConsistent() {
return false
}
}
return true
}