87 lines
2.2 KiB
Go
87 lines
2.2 KiB
Go
package main
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import (
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"fmt"
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"log"
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"math/rand"
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"sync"
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"time"
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)
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//future feature
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func makeoffsets(threads int64, bs int64, objsize int64) [][]int64 {
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var offsets [][]int64
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for i := int64(0); i < threads; i++ {
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s1 := rand.NewSource(i)
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r1 := rand.New(s1)
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localoffsets := make([]int64, 0, objsize-bs)
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for i := int64(0); i < objsize-bs; i += bs {
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localoffsets = append(localoffsets, i)
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}
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r1.Shuffle(len(localoffsets), func(i, j int) {
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localoffsets[i], localoffsets[j] = localoffsets[j], localoffsets[i]
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})
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offsets = append(offsets, localoffsets)
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}
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return offsets
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}
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func bench(cephconn *Cephconnection, osddevice Device, host string, buffs *[][]byte, offset [][]int64, params *Params,
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wg *sync.WaitGroup, result chan string) {
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var nwg sync.WaitGroup
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defer wg.Done()
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for i := int64(0); i < params.threadsCount; i++ {
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nwg.Add(1)
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go _bench(cephconn, osddevice, host, buffs, offset[i], params, &nwg, result)
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if params.parallel != true {
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nwg.Wait()
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}
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}
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nwg.Wait()
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}
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func _bench(cephconn *Cephconnection, osddevice Device, host string, buffs *[][]byte, offset []int64, params *Params,
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wg *sync.WaitGroup, result chan string) {
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defer wg.Done()
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time.Sleep(time.Second * time.Duration(1)) // prepare objects
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log.Println(host, osddevice.Name) //somework
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result <- fmt.Sprintf("Host: %v\nOsdname: %v", host, osddevice.Name)
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}
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func main() {
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params := Route()
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cephconn := connectioninit(params)
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defer cephconn.conn.Shutdown()
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// https://tracker.ceph.com/issues/24114
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time.Sleep(time.Millisecond * 100)
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var buffs [][]byte
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for i := int64(0); i < 2*params.threadsCount; i++ {
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buffs = append(buffs, make([]byte, params.blocksize))
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}
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for num := range buffs {
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_, err := rand.Read(buffs[num])
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if err != nil {
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log.Fatalln(err)
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}
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}
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osddevices := GetOsds(cephconn, params)
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offsets := makeoffsets(params.threadsCount, params.blocksize, params.objectsize)
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var wg sync.WaitGroup
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result := make(chan string, len(offsets))
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for host, osds := range osddevices {
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for _, osd := range osds {
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wg.Add(1)
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if params.parallel == true {
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go bench(cephconn, osd, host, &buffs, offsets, ¶ms, &wg, result)
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} else {
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bench(cephconn, osd, host, &buffs, offsets, ¶ms, &wg, result)
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}
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}
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}
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wg.Wait()
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}
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