Added initial command structure; added ping network test command

cmd/ping.go

@@ -0,0 +1,46 @@
+package cmd
+
+import (
+  "fmt"
+
+  "github.com/go-ping/ping"
+  "github.com/spf13/cobra"
+)
+
+var (
+  host string
+  count int
+)
+
+var pingCmd = &cobra.Command{
+  Use:   "ping",
+  Short: "Ping test.",
+  Long:  "Uses ping to test network latency and aliveness.",
+  Run: func(cmd *cobra.Command, args []string) {
+    pinger, err := ping.NewPinger(host)
+    if err != nil {
+    	panic(err)
+    }
+    pinger.Count = count
+    pinger.OnFinish = func(stats *ping.Statistics) {
+    	fmt.Printf("--- %s ping statistics ---\n", stats.Addr)
+    	fmt.Printf("%d packets transmitted, %d packets received, %v%% packet loss\n",
+    		stats.PacketsSent, stats.PacketsRecv, stats.PacketLoss)
+    	fmt.Printf("round-trip min/avg/max/stddev = %v/%v/%v/%v\n",
+    		stats.MinRtt, stats.AvgRtt, stats.MaxRtt, stats.StdDevRtt)
+    }
+    fmt.Printf("PING %s (%s):\n", pinger.Addr(), pinger.IPAddr())
+    err = pinger.Run() // Blocks until finished.
+    if err != nil {
+    	panic(err)
+    }
+  },
+}
+
+func init() {
+  pingCmd.Flags().StringVarP(&host, "host", "a", "8.8.8.8", "Host to attempt pinging.")
+  pingCmd.Flags().IntVarP(&count, "count", "c", 50, "Number of pings to send.")
+
+  // add ping command to the main program
+  rootCmd.AddCommand(pingCmd)
+}

cmd/root.go

@@ -0,0 +1,21 @@
+package cmd
+
+import (
+  "fmt"
+  "os"
+
+  "github.com/spf13/cobra"
+)
+
+var rootCmd = &cobra.Command{
+  Use:   "bgbench",
+  Short: "Bit Goblin hardware benching tool.",
+  Long: `A PC hardware benchmarking tool written by Bit Goblin.`,
+}
+
+func Execute() {
+  if err := rootCmd.Execute(); err != nil {
+    fmt.Fprintln(os.Stderr, err)
+    os.Exit(1)
+  }
+}