/
start.go
66 lines (55 loc) · 1.68 KB
/
start.go
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package cmd
import (
"fmt"
"github.com/bahadrix/cardinalitycube/cores"
"github.com/bahadrix/cardinalitycube/cube"
"github.com/bahadrix/cardinalitycube/server/cubeserver"
log "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
"os"
"os/signal"
"strings"
"syscall"
)
// startCmd represents the serve command
var startCmd = &cobra.Command{
Use: "start",
Short: "Start a Cardinality Cube server",
Long: "Start a Cardinality Cube server",
Run: func(cmd *cobra.Command, args []string) {
tcpAddr, _ := cmd.Flags().GetString("listen")
queueSize, _ := cmd.Flags().GetInt("command-buffer")
workers, _ := cmd.Flags().GetInt("workers")
coreType, _ := cmd.Flags().GetString("core")
coreType = strings.ToLower(coreType)
var kube *cube.Cube
switch coreType {
case "hll":
kube = cube.NewCube(cores.HLL, nil)
case "basicset":
kube = cube.NewCube(cores.BasicSet, nil)
default:
fmt.Println("Only hll and basicset type supported.")
os.Exit(128)
return
}
cubeServer := cubeserver.NewServer(kube, tcpAddr, queueSize, queueSize, workers)
s := make(chan os.Signal)
signal.Notify(s, os.Interrupt, syscall.SIGTERM)
go func() {
<-s
cubeServer.Shutdown()
}()
err := cubeServer.Start()
if err != nil {
log.Error(err)
}
},
}
func init() {
rootCmd.AddCommand(startCmd)
startCmd.Flags().StringP("listen", "l", "tcp://0.0.0.0:1994", "Host and port address for listening TCP connections")
startCmd.Flags().IntP("command-buffer", "b", 10000, "Executor buffer limit")
startCmd.Flags().IntP("workers", "w", 12, "Number of parallel command processors")
startCmd.Flags().StringP("core", "c", "hll", "Core type of cube. Currently hll and basicset supported")
}