destTable,
}
var allDestIndices = []string{
destPortIndex,
}
func init() {
db.Readify()
db.CreateTables(allDestTables)
db.CreateIndices(destTable, allDestIndices)
}
var destPortRange = utils.NumberRange(10000, 11000)
type Destination struct {
Id string `gorethink:"id, omitempty"`
LocalPort string `gorethink:"local_port"`
NodeId string `gorethink:"node_id"`
}
func NewDestination(nodeId string) (*Destination, error) {
d := &Destination{
LocalPort: "555",
NodeId: nodeId,
}
return d, nil
import (
"fmt"
"os/exec"
"strconv"
"strings"
"warp/utils"
)
const (
sshPath = "/usr/bin/ssh"
netstatPath = "/bin/netstat"
netstatArgs = "-tuln"
)
var portRange = utils.NumberRange(10000, 65535)
var remoteNetstat = netstatPath + " " + netstatArgs
var remoteNodeFmt string = "%s@%s"
// remoteNetstatCmd returns output of `netstat -tln` from a remote machine
// over SSH. That is, all used ports of a remote machine.
func remoteNetstatCmd(username string, host string) (string, error) {
remoteNode := fmt.Sprintf(remoteNodeFmt, username, host)
cmd := exec.Command(
sshPath,
remoteNode,
remoteNetstat)