yanic/cmd/query.go

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package cmd
import (
"log"
"net"
"time"
"github.com/FreifunkBremen/yanic/respond"
"github.com/FreifunkBremen/yanic/runtime"
"github.com/spf13/cobra"
)
var wait int
// queryCmd represents the query command
var queryCmd = &cobra.Command{
Use: "query <interface> <destination>",
Short: "Sends a query on the interface to the destination and waits for a response",
Example: `yanic query wlan0 "fe80::eade:27ff:dead:beef"`,
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Args: cobra.ExactArgs(2),
Run: func(cmd *cobra.Command, args []string) {
iface := args[0]
dstAddress := net.ParseIP(args[1])
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log.Printf("Sending request address=%s iface=%s", dstAddress, iface)
nodes := runtime.NewNodes(&runtime.NodesConfig{})
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collector := respond.NewCollector(nil, nodes, []string{}, []string{iface}, 0)
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defer collector.Close()
collector.SendPacket(dstAddress)
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time.Sleep(time.Second * time.Duration(wait))
for id, data := range nodes.List {
log.Printf("%s: %+v", id, data)
}
},
}
func init() {
RootCmd.AddCommand(queryCmd)
queryCmd.Flags().IntVar(&wait, "wait", 1, "Seconds to wait for a response")
}