Thanks for the help!
So, a copy of the pointer to the Transport used to initialize
DefaultTransport would be the same, global instance of the Transport?
Does that mean that every time I instantiate a new client, I am using the
same Transport?
On Wednesday, October 17, 2018 at 11:35:52 AM UTC-5, Burak Serdar wrote:
>
> On Wed, Oct 17, 2018 at 10:30 AM Kyle Butz <kyle...@gmail.com
> <javascript:>> wrote:
> >
> > Hi All!
> >
> > I'm having trouble understanding whether a new http.Client{} with no
> Transport set will use a new copy of DefaultTransport, or the global?
> >
> > From client.go:
> >
> > func (c *Client) transport() RoundTripper {
> > if c.Transport != nil {
> > return c.Transport
> > }
> > return DefaultTransport
> > }
> >
> > DefaultTransport's definition from transport.go, as a pointer to a
> Transport struct:
> >
> > var DefaultTransport RoundTripper = &Transport{
> > Proxy: ProxyFromEnvironment,
> > DialContext: (&net.Dialer{
> > Timeout: 30 * time.Second,
> > KeepAlive: 30 * time.Second,
> > DualStack: true,
> > }).DialContext,
> > MaxIdleConns: 100,
> > IdleConnTimeout: 90 * time.Second,
> > TLSHandshakeTimeout: 10 * time.Second,
> > ExpectContinueTimeout: 1 * time.Second,
> > }
> >
> >
> > It looks like transport() is returning a RoundTripper by value. Does
> that mean that "return DefaultTransport" returns a new copy of
> DefaultTransport, or just a copy of a pointer to the global
> DefaultTransport defined in transport.go?
>
>
> DefaultTransport is a pointer to a Transport, so when transport()
> returns DefaultTransport, it returns an interface containing a copy of
> the pointer to the Transport used to initialize DefaultTransport.
>
> >
> > Thanks for any tips!
> > Kyle
> >
> > --
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