forked from TrueCloudLab/rclone
60 lines
1.1 KiB
Go
60 lines
1.1 KiB
Go
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package adb
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import (
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"fmt"
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"net"
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"reflect"
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"regexp"
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"strconv"
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"strings"
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"github.com/thinkhy/go-adb/internal/errors"
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)
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var (
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whitespaceRegex = regexp.MustCompile(`^\s*$`)
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)
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func containsWhitespace(str string) bool {
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return strings.ContainsAny(str, " \t\v")
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}
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func isBlank(str string) bool {
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return whitespaceRegex.MatchString(str)
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}
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func wrapClientError(err error, client interface{}, operation string, args ...interface{}) error {
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if err == nil {
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return nil
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}
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if _, ok := err.(*errors.Err); !ok {
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panic("err is not a *Err: " + err.Error())
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}
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clientType := reflect.TypeOf(client)
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return &errors.Err{
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Code: err.(*errors.Err).Code,
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Cause: err,
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Message: fmt.Sprintf("error performing %s on %s", fmt.Sprintf(operation, args...), clientType),
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Details: client,
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}
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}
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// Get a free port.
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func getFreePort() (port int, err error) {
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listener, err := net.Listen("tcp", "127.0.0.1:0")
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if err != nil {
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return 0, err
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}
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defer listener.Close()
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addr := listener.Addr().String()
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_, portString, err := net.SplitHostPort(addr)
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if err != nil {
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return 0, err
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}
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return strconv.Atoi(portString)
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}
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