53 lines
1.1 KiB
Go
53 lines
1.1 KiB
Go
package missinggo
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import (
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"net"
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"strconv"
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"strings"
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)
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// Represents a split host port.
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type HostMaybePort struct {
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Host string // Just the host, with no port.
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Port int // The port if NoPort is false.
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NoPort bool // Whether a port is specified.
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Err error // The error returned from net.SplitHostPort.
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}
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func (me *HostMaybePort) String() string {
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if me.NoPort {
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return me.Host
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}
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return net.JoinHostPort(me.Host, strconv.FormatInt(int64(me.Port), 10))
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}
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// Parse a "hostport" string, a concept that floats around the stdlib a lot
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// and is painful to work with. If no port is present, what's usually present
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// is just the host.
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func SplitHostMaybePort(hostport string) HostMaybePort {
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host, portStr, err := net.SplitHostPort(hostport)
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if err != nil {
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if strings.Contains(err.Error(), "missing port") {
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return HostMaybePort{
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Host: hostport,
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NoPort: true,
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}
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}
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return HostMaybePort{
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Err: err,
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}
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}
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portI64, err := strconv.ParseInt(portStr, 0, 0)
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if err != nil {
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return HostMaybePort{
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Host: host,
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Port: -1,
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Err: err,
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}
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}
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return HostMaybePort{
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Host: host,
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Port: int(portI64),
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}
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}
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