contextual

Supercharge Go Dialer with DialContext, providing support for context.Context in libraries with only Dial or DialTimeout methods. Extracted from and used in production at domainr.com.

Install

go get github.com/nbio/contextual

Usage

// Example context
ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
defer cancel()

// SSH into a proxy host
client, err := ssh.Dial("tcp", "yourserver.com:22", sshConfig)
if err != nil {
    return err
}

// Wrap the ssh.Client in contextual.Dialer to get DialContext
conn, err := contextual.Dialer{client}.DialContext(ctx, "tcp", "otherserver.com:12345")
if err != nil {
    return err // Could be context.DeadlineExceeded or context.Canceled
}

// Do stuff

Keywords

go, golang, context

Author

© 2017 nb.io, LLC