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More lint

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This commit is contained in:
Dan Sosedoff
2018-12-04 12:42:37 -06:00
parent a5b8e02a98
commit d1a7e6ecfe
3 changed files with 21 additions and 17 deletions
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11
pkg/connection/port.go
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@@ -7,10 +7,9 @@ import (
"strings"
)
// Check if the TCP port available on localhost
func portAvailable(port int) bool {
// IsPortAvailable returns true if there's no listeners on a given port
func IsPortAvailable(port int) bool {
conn, err := net.Dial("tcp", fmt.Sprintf("127.0.0.1:%v", port))
if err != nil {
if strings.Index(err.Error(), "connection refused") > 0 {
return true
@@ -22,10 +21,10 @@ func portAvailable(port int) bool {
return false
}
// Get available TCP port on localhost by trying available ports in a range
func AvailablePort(start int, limit int) (int, error) {
// FindAvailablePort returns the first available TCP port in the range
func FindAvailablePort(start int, limit int) (int, error) {
for i := start; i <= (start + limit); i++ {
if portAvailable(i) {
if IsPortAvailable(i) {
return i, nil
}
}