102 lines
2.3 KiB
Go
102 lines
2.3 KiB
Go
package main
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import "log"
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import "os"
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import "time"
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import "net"
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import "fmt"
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import "bufio"
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import "git.wit.com/wit/shell"
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import "git.wit.com/jcarr/dnssecsocket"
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var socketAlive bool = false
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var connCurrent *net.TCPConn
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const (
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CONN_HOST = "v000185.testing.com.customers.wprod.wit.com"
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CONN_PORT = "3333"
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CONN_PROTO = "tcp"
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)
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func writelnToSocket(aline string) {
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if connCurrent == nil {
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log.Println("SOCKET IS NOT CONNECTED")
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return
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}
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// a, err := connCurrent.Write([]byte(string(text + "\n")))
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a, err := connCurrent.Write([]byte(string(aline + "\n")))
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if err != nil {
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log.Println("SOCKET WRITE FAILED with err=", err, a)
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connCurrent = nil
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return
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}
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}
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func writeBytesToSocket(data []byte) {
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if (connCurrent == nil) {
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log.Println("WIT Socket is currently down (connCurrent == nil)")
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return
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}
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a, err := connCurrent.Write(data)
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log.Println("WIT Socket Write() returned:", a, err)
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}
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func socketToWIT(myhostname string) {
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remoteAddr := CONN_HOST + ":" + CONN_PORT
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log.Println("remoteAddr:", remoteAddr)
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localTCPAddr := dnssecsocket.ResolveIPv6hostname(myhostname)
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remoteTCPAddr, err := net.ResolveTCPAddr("tcp", remoteAddr)
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// connect to this socket
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conn, err := net.DialTCP(CONN_PROTO, localTCPAddr, remoteTCPAddr)
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if err != nil {
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log.Println(CONN_HOST, CONN_PORT, CONN_PROTO)
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log.Println(err)
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log.Println("socket connect failed. Not sure what to do here. os.Exit() ?")
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connCurrent = nil
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return
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}
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defer conn.Close()
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log.Println("socket connected to", CONN_PROTO, CONN_HOST, CONN_PORT)
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tmp, err := conn.Write([]byte(string(myhostname + "\n")))
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log.Println("conn.Write:", tmp, err)
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if (err != nil) {
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fmt.Println("SOCKET DIED with err=", err)
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connCurrent = nil
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return
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}
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connStdin, err := conn.File()
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if (err != nil) {
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fmt.Println("SOCKET File() failed with err=", err)
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connCurrent = nil
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return
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}
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// set the socketAlive flag to true since the socket appears to be alive
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socketAlive = true
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connCurrent = conn
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newreader := bufio.NewReader(connStdin)
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shell.NonBlockingReader(newreader, os.Stdout)
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}
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func retrySocket() {
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for {
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log.Println("Sleep for 3 seconds, then try to establish connection to WIT")
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time.Sleep(3 * 1000 * 1000 * 1000)
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// for now, loop until I figure out what to actually do
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socketToWIT("librem15.lab.wit.com")
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}
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}
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