93 lines
1.9 KiB
Go
93 lines
1.9 KiB
Go
package ipmi_sensor
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import (
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"fmt"
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"net"
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"strconv"
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"strings"
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)
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// Connection properties for a Client
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type Connection struct {
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Hostname string
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Username string
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Password string
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Port int
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Interface string
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Privilege string
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}
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func NewConnection(server string, privilege string) *Connection {
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conn := &Connection{}
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conn.Privilege = privilege
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inx1 := strings.LastIndex(server, "@")
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inx2 := strings.Index(server, "(")
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inx3 := strings.Index(server, ")")
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connstr := server
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if inx1 > 0 {
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security := server[0:inx1]
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connstr = server[inx1+1:]
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up := strings.SplitN(security, ":", 2)
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conn.Username = up[0]
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conn.Password = up[1]
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}
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if inx2 > 0 {
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inx2 = strings.Index(connstr, "(")
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inx3 = strings.Index(connstr, ")")
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conn.Interface = connstr[0:inx2]
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conn.Hostname = connstr[inx2+1 : inx3]
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}
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return conn
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}
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func (t *Connection) options() []string {
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intf := t.Interface
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if intf == "" {
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intf = "lan"
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}
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options := []string{
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"-H", t.Hostname,
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"-U", t.Username,
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"-P", t.Password,
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"-I", intf,
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}
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if t.Port != 0 {
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options = append(options, "-p", strconv.Itoa(t.Port))
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}
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if t.Privilege != "" {
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options = append(options, "-L", t.Privilege)
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}
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return options
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}
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// RemoteIP returns the remote (bmc) IP address of the Connection
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func (c *Connection) RemoteIP() string {
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if net.ParseIP(c.Hostname) == nil {
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addrs, err := net.LookupHost(c.Hostname)
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if err != nil && len(addrs) > 0 {
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return addrs[0]
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}
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}
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return c.Hostname
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}
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// LocalIP returns the local (client) IP address of the Connection
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func (c *Connection) LocalIP() string {
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conn, err := net.Dial("udp", fmt.Sprintf("%s:%d", c.Hostname, c.Port))
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if err != nil {
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// don't bother returning an error, since this value will never
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// make it to the bmc if we can't connect to it.
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return c.Hostname
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}
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_ = conn.Close()
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host, _, _ := net.SplitHostPort(conn.LocalAddr().String())
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return host
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}
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