yanic/cmd/query.go
2019-01-19 20:58:36 +01:00

79 lines
2.1 KiB
Go

package cmd
import (
"encoding/json"
"fmt"
"net"
"strings"
"time"
"github.com/bdlm/log"
"github.com/spf13/cobra"
"github.com/FreifunkBremen/yanic/respond"
"github.com/FreifunkBremen/yanic/runtime"
)
var (
wait int
port int
ipAddress string
)
// queryCmd represents the query command
var queryCmd = &cobra.Command{
Use: "query <interfaces> <destination>",
Short: "Sends a query on the interface to the destination and waits for a response",
Example: `yanic query "eth0,wlan0" "fe80::eade:27ff:dead:beef"`,
Args: cobra.ExactArgs(2),
Run: func(cmd *cobra.Command, args []string) {
ifaces := strings.Split(args[0], ",")
dstAddress := net.ParseIP(args[1])
log.WithFields(map[string]interface{}{
"address": dstAddress,
"ifaces": ifaces,
}).Info("sending request")
var ifacesConfigs []respond.InterfaceConfig
for _, iface := range ifaces {
ifaceConfig := respond.InterfaceConfig{
InterfaceName: iface,
Port: port,
IPAddress: ipAddress,
}
ifacesConfigs = append(ifacesConfigs, ifaceConfig)
}
nodes := runtime.NewNodes(&runtime.NodesConfig{})
sitesDomains := make(map[string][]string)
collector := respond.NewCollector(nil, nodes, sitesDomains, ifacesConfigs)
defer collector.Close()
collector.SendPacket(dstAddress)
time.Sleep(time.Second * time.Duration(wait))
for id, data := range nodes.List {
jq, err := json.Marshal(data)
if err != nil {
fmt.Printf("%s: %+v", id, data)
} else {
jqNeighbours, err := json.Marshal(data.Neighbours)
if err != nil {
fmt.Printf("%s: %s neighbours: %+v", id, string(jq), data.Neighbours)
} else {
fmt.Printf("%s: %s neighbours: %s", id, string(jq), string(jqNeighbours))
}
}
}
},
}
func init() {
RootCmd.AddCommand(queryCmd)
queryCmd.Flags().IntVar(&wait, "wait", 1, "Seconds to wait for a response")
queryCmd.Flags().IntVar(&port, "port", 0, "define a port to listen (if not set or set to 0 the kernel will use a random free port at its own)")
queryCmd.Flags().StringVar(&ipAddress, "ip", "", "ip address which is used for sending (optional - without definition used the link-local address)")
}